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<h1 id="authentication-flow">Authentication Flow<a class="headerlink" href="#authentication-flow" title="Permanent link">&para;</a></h1>
<p>Changemaker Lite V2 uses JWT-based authentication with access and refresh tokens for stateless, scalable authentication.</p>
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">&para;</a></h2>
<p><strong>Key Features:</strong></p>
<ul>
<li><strong>JWT Tokens</strong> - Stateless authentication (no session storage)</li>
<li><strong>Dual Token System</strong> - Short-lived access tokens (15min) + long-lived refresh tokens (7 days)</li>
<li><strong>Refresh Token Rotation</strong> - Atomic transaction prevents race conditions</li>
<li><strong>Password Policy</strong> - Enforced 12+ characters with complexity requirements</li>
<li><strong>Rate Limiting</strong> - 10 requests/min on auth endpoints</li>
<li><strong>User Enumeration Prevention</strong> - Consistent 401 responses</li>
<li><strong>RBAC</strong> - Role-based access control with 5 roles</li>
</ul>
<h2 id="authentication-architecture">Authentication Architecture<a class="headerlink" href="#authentication-architecture" title="Permanent link">&para;</a></h2>
<pre class="mermaid"><code>graph TB
subgraph "Client Layer"
Browser[Web Browser]
Storage[LocalStorage&lt;br/&gt;Zustand Persist]
end
subgraph "API Layer"
AuthRoutes[Auth Routes&lt;br/&gt;/api/auth/*]
AuthMiddleware[Auth Middleware&lt;br/&gt;JWT Verification]
RBACMiddleware[RBAC Middleware&lt;br/&gt;Role Check]
end
subgraph "Data Layer"
PG[(PostgreSQL&lt;br/&gt;User + RefreshToken)]
Redis[(Redis&lt;br/&gt;Rate Limiting)]
end
Browser --&gt;|POST /auth/login| AuthRoutes
AuthRoutes --&gt;|Check rate limit| Redis
AuthRoutes --&gt;|Verify credentials| PG
AuthRoutes --&gt;|Generate tokens| AuthRoutes
AuthRoutes --&gt;|Store refresh token| PG
AuthRoutes --&gt;|Return tokens| Browser
Browser --&gt;|Store| Storage
Browser --&gt;|API requests| AuthMiddleware
AuthMiddleware --&gt;|Verify JWT| AuthMiddleware
AuthMiddleware --&gt;|Check role| RBACMiddleware
RBACMiddleware --&gt;|Authorized| Handler[Route Handler]
style AuthRoutes fill:#61dafb,stroke:#333,stroke-width:2px
style AuthMiddleware fill:#ffd700,stroke:#333,stroke-width:2px
style RBACMiddleware fill:#ff6b6b,stroke:#333,stroke-width:2px</code></pre>
<h2 id="user-roles">User Roles<a class="headerlink" href="#user-roles" title="Permanent link">&para;</a></h2>
<h3 id="role-hierarchy">Role Hierarchy<a class="headerlink" href="#role-hierarchy" title="Permanent link">&para;</a></h3>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kd">enum</span><span class="w"> </span><span class="nx">UserRole</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="w"> </span><span class="nx">SUPER_ADMIN</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;SUPER_ADMIN&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">// Full system access</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="w"> </span><span class="nx">INFLUENCE_ADMIN</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;INFLUENCE_ADMIN&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">// Campaign management</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="w"> </span><span class="nx">MAP_ADMIN</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;MAP_ADMIN&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">// Location + canvassing management</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="w"> </span><span class="nx">USER</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;USER&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">// Standard user (limited access)</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="nx">TEMP</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;TEMP&#39;</span><span class="w"> </span><span class="c1">// Temporary user (public signups, auto-expires)</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="p">}</span>
</span></code></pre></div>
<h3 id="role-permissions">Role Permissions<a class="headerlink" href="#role-permissions" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Role</th>
<th>Campaign CRUD</th>
<th>Response Moderation</th>
<th>Location Management</th>
<th>User Management</th>
<th>System Settings</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>SUPER_ADMIN</strong></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><strong>INFLUENCE_ADMIN</strong></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><strong>MAP_ADMIN</strong></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><strong>USER</strong></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td><strong>TEMP</strong></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<p><strong>TEMP User Behavior:</strong>
- Created automatically for public shift signups
- Auto-expires after configured days (<code>expiresAt</code>, <code>expireDays</code> fields)
- Limited to volunteer canvassing features
- Cannot access admin pages</p>
<h2 id="login-flow">Login Flow<a class="headerlink" href="#login-flow" title="Permanent link">&para;</a></h2>
<h3 id="sequence-diagram">Sequence Diagram<a class="headerlink" href="#sequence-diagram" title="Permanent link">&para;</a></h3>
<pre class="mermaid"><code>sequenceDiagram
participant User
participant React as Admin GUI
participant Nginx
participant API as Express API
participant Redis
participant PG as PostgreSQL
User-&gt;&gt;React: Enter email + password
React-&gt;&gt;Nginx: POST /api/auth/login
Nginx-&gt;&gt;API: Forward request
API-&gt;&gt;Redis: Rate limit check (10/min)
alt Rate limit exceeded
Redis--&gt;&gt;API: Too many requests
API--&gt;&gt;React: 429 Too Many Requests
React--&gt;&gt;User: "Try again later"
else Rate limit OK
API-&gt;&gt;PG: SELECT * FROM User WHERE email = ?
alt User not found
PG--&gt;&gt;API: null
API--&gt;&gt;React: 401 Unauthorized
React--&gt;&gt;User: "Invalid credentials"
else User found
PG--&gt;&gt;API: User record
API-&gt;&gt;API: bcrypt.compare(password, hash)
alt Password invalid
API--&gt;&gt;React: 401 Unauthorized
React--&gt;&gt;User: "Invalid credentials"
else Password valid
API-&gt;&gt;API: Check user status
alt Status SUSPENDED
API--&gt;&gt;React: 403 Forbidden
React--&gt;&gt;User: "Account suspended"
else Status ACTIVE
API-&gt;&gt;API: jwt.sign(accessPayload, 15min)
API-&gt;&gt;API: jwt.sign(refreshPayload, 7d)
API-&gt;&gt;PG: INSERT RefreshToken
API-&gt;&gt;PG: UPDATE lastLoginAt
API--&gt;&gt;React: { user, accessToken, refreshToken }
React-&gt;&gt;React: Store in Zustand + localStorage
React--&gt;&gt;User: Redirect to dashboard
end
end
end
end</code></pre>
<h3 id="implementation">Implementation<a class="headerlink" href="#implementation" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>api/src/modules/auth/auth.service.ts</code> (lines 22-56)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="k">import</span><span class="w"> </span><span class="nx">bcrypt</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;bcryptjs&#39;</span><span class="p">;</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="k">import</span><span class="w"> </span><span class="nx">jwt</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;jsonwebtoken&#39;</span><span class="p">;</span>
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">prisma</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;../../config/database&#39;</span><span class="p">;</span>
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">loginSchema</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;./auth.schemas&#39;</span><span class="p">;</span>
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">incrementMetric</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;../../utils/metrics&#39;</span><span class="p">;</span>
</span><span id="__span-1-6"><a id="__codelineno-1-6" name="__codelineno-1-6" href="#__codelineno-1-6"></a>
</span><span id="__span-1-7"><a id="__codelineno-1-7" name="__codelineno-1-7" href="#__codelineno-1-7"></a><span class="k">export</span><span class="w"> </span><span class="k">async</span><span class="w"> </span><span class="kd">function</span><span class="w"> </span><span class="nx">login</span><span class="p">(</span><span class="nx">credentials</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="w"> </span><span class="p">})</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-8"><a id="__codelineno-1-8" name="__codelineno-1-8" href="#__codelineno-1-8"></a><span class="w"> </span><span class="c1">// Validate input</span>
</span><span id="__span-1-9"><a id="__codelineno-1-9" name="__codelineno-1-9" href="#__codelineno-1-9"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">email</span><span class="p">,</span><span class="w"> </span><span class="nx">password</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">loginSchema</span><span class="p">.</span><span class="nx">parse</span><span class="p">(</span><span class="nx">credentials</span><span class="p">);</span>
</span><span id="__span-1-10"><a id="__codelineno-1-10" name="__codelineno-1-10" href="#__codelineno-1-10"></a>
</span><span id="__span-1-11"><a id="__codelineno-1-11" name="__codelineno-1-11" href="#__codelineno-1-11"></a><span class="w"> </span><span class="c1">// Find user</span>
</span><span id="__span-1-12"><a id="__codelineno-1-12" name="__codelineno-1-12" href="#__codelineno-1-12"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">user</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">findUnique</span><span class="p">({</span>
</span><span id="__span-1-13"><a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">email</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-14"><a id="__codelineno-1-14" name="__codelineno-1-14" href="#__codelineno-1-14"></a><span class="w"> </span><span class="nx">select</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-15"><a id="__codelineno-1-15" name="__codelineno-1-15" href="#__codelineno-1-15"></a><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-16"><a id="__codelineno-1-16" name="__codelineno-1-16" href="#__codelineno-1-16"></a><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-17"><a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-18"><a id="__codelineno-1-18" name="__codelineno-1-18" href="#__codelineno-1-18"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-19"><a id="__codelineno-1-19" name="__codelineno-1-19" href="#__codelineno-1-19"></a><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-20"><a id="__codelineno-1-20" name="__codelineno-1-20" href="#__codelineno-1-20"></a><span class="w"> </span><span class="nx">status</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-21"><a id="__codelineno-1-21" name="__codelineno-1-21" href="#__codelineno-1-21"></a><span class="w"> </span><span class="nx">emailVerified</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-1-22"><a id="__codelineno-1-22" name="__codelineno-1-22" href="#__codelineno-1-22"></a><span class="w"> </span><span class="nx">expiresAt</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span>
</span><span id="__span-1-23"><a id="__codelineno-1-23" name="__codelineno-1-23" href="#__codelineno-1-23"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-24"><a id="__codelineno-1-24" name="__codelineno-1-24" href="#__codelineno-1-24"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-1-25"><a id="__codelineno-1-25" name="__codelineno-1-25" href="#__codelineno-1-25"></a>
</span><span id="__span-1-26"><a id="__codelineno-1-26" name="__codelineno-1-26" href="#__codelineno-1-26"></a><span class="w"> </span><span class="c1">// User enumeration prevention: consistent 401 response</span>
</span><span id="__span-1-27"><a id="__codelineno-1-27" name="__codelineno-1-27" href="#__codelineno-1-27"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">user</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-28"><a id="__codelineno-1-28" name="__codelineno-1-28" href="#__codelineno-1-28"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Invalid credentials&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 401</span>
</span><span id="__span-1-29"><a id="__codelineno-1-29" name="__codelineno-1-29" href="#__codelineno-1-29"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-30"><a id="__codelineno-1-30" name="__codelineno-1-30" href="#__codelineno-1-30"></a>
</span><span id="__span-1-31"><a id="__codelineno-1-31" name="__codelineno-1-31" href="#__codelineno-1-31"></a><span class="w"> </span><span class="c1">// Verify password</span>
</span><span id="__span-1-32"><a id="__codelineno-1-32" name="__codelineno-1-32" href="#__codelineno-1-32"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">isValid</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">bcrypt</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="nx">password</span><span class="p">,</span><span class="w"> </span><span class="nx">user</span><span class="p">.</span><span class="nx">password</span><span class="p">);</span>
</span><span id="__span-1-33"><a id="__codelineno-1-33" name="__codelineno-1-33" href="#__codelineno-1-33"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">isValid</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-34"><a id="__codelineno-1-34" name="__codelineno-1-34" href="#__codelineno-1-34"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Invalid credentials&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 401</span>
</span><span id="__span-1-35"><a id="__codelineno-1-35" name="__codelineno-1-35" href="#__codelineno-1-35"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-36"><a id="__codelineno-1-36" name="__codelineno-1-36" href="#__codelineno-1-36"></a>
</span><span id="__span-1-37"><a id="__codelineno-1-37" name="__codelineno-1-37" href="#__codelineno-1-37"></a><span class="w"> </span><span class="c1">// Check user status</span>
</span><span id="__span-1-38"><a id="__codelineno-1-38" name="__codelineno-1-38" href="#__codelineno-1-38"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">user</span><span class="p">.</span><span class="nx">status</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="s1">&#39;SUSPENDED&#39;</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-39"><a id="__codelineno-1-39" name="__codelineno-1-39" href="#__codelineno-1-39"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Account suspended&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 403</span>
</span><span id="__span-1-40"><a id="__codelineno-1-40" name="__codelineno-1-40" href="#__codelineno-1-40"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-41"><a id="__codelineno-1-41" name="__codelineno-1-41" href="#__codelineno-1-41"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">user</span><span class="p">.</span><span class="nx">status</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="s1">&#39;INACTIVE&#39;</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-42"><a id="__codelineno-1-42" name="__codelineno-1-42" href="#__codelineno-1-42"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Account inactive&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 403</span>
</span><span id="__span-1-43"><a id="__codelineno-1-43" name="__codelineno-1-43" href="#__codelineno-1-43"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-44"><a id="__codelineno-1-44" name="__codelineno-1-44" href="#__codelineno-1-44"></a>
</span><span id="__span-1-45"><a id="__codelineno-1-45" name="__codelineno-1-45" href="#__codelineno-1-45"></a><span class="w"> </span><span class="c1">// Check TEMP user expiration</span>
</span><span id="__span-1-46"><a id="__codelineno-1-46" name="__codelineno-1-46" href="#__codelineno-1-46"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">user</span><span class="p">.</span><span class="nx">expiresAt</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">()</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="nx">user</span><span class="p">.</span><span class="nx">expiresAt</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-47"><a id="__codelineno-1-47" name="__codelineno-1-47" href="#__codelineno-1-47"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>
</span><span id="__span-1-48"><a id="__codelineno-1-48" name="__codelineno-1-48" href="#__codelineno-1-48"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">user.id</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-49"><a id="__codelineno-1-49" name="__codelineno-1-49" href="#__codelineno-1-49"></a><span class="w"> </span><span class="nx">data</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">status</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;EXPIRED&#39;</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-50"><a id="__codelineno-1-50" name="__codelineno-1-50" href="#__codelineno-1-50"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-1-51"><a id="__codelineno-1-51" name="__codelineno-1-51" href="#__codelineno-1-51"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Account expired&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 403</span>
</span><span id="__span-1-52"><a id="__codelineno-1-52" name="__codelineno-1-52" href="#__codelineno-1-52"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-53"><a id="__codelineno-1-53" name="__codelineno-1-53" href="#__codelineno-1-53"></a>
</span><span id="__span-1-54"><a id="__codelineno-1-54" name="__codelineno-1-54" href="#__codelineno-1-54"></a><span class="w"> </span><span class="c1">// Generate access token (15 minutes)</span>
</span><span id="__span-1-55"><a id="__codelineno-1-55" name="__codelineno-1-55" href="#__codelineno-1-55"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">accessToken</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">sign</span><span class="p">(</span>
</span><span id="__span-1-56"><a id="__codelineno-1-56" name="__codelineno-1-56" href="#__codelineno-1-56"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">user.id</span><span class="p">,</span><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">user.email</span><span class="p">,</span><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">user.role</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-57"><a id="__codelineno-1-57" name="__codelineno-1-57" href="#__codelineno-1-57"></a><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_ACCESS_SECRET</span><span class="o">!</span><span class="p">,</span>
</span><span id="__span-1-58"><a id="__codelineno-1-58" name="__codelineno-1-58" href="#__codelineno-1-58"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">expiresIn</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;15m&#39;</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-59"><a id="__codelineno-1-59" name="__codelineno-1-59" href="#__codelineno-1-59"></a><span class="w"> </span><span class="p">);</span>
</span><span id="__span-1-60"><a id="__codelineno-1-60" name="__codelineno-1-60" href="#__codelineno-1-60"></a>
</span><span id="__span-1-61"><a id="__codelineno-1-61" name="__codelineno-1-61" href="#__codelineno-1-61"></a><span class="w"> </span><span class="c1">// Generate refresh token (7 days)</span>
</span><span id="__span-1-62"><a id="__codelineno-1-62" name="__codelineno-1-62" href="#__codelineno-1-62"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">refreshToken</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">sign</span><span class="p">(</span>
</span><span id="__span-1-63"><a id="__codelineno-1-63" name="__codelineno-1-63" href="#__codelineno-1-63"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">user.id</span><span class="p">,</span><span class="w"> </span><span class="kr">type</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;refresh&#39;</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-64"><a id="__codelineno-1-64" name="__codelineno-1-64" href="#__codelineno-1-64"></a><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_REFRESH_SECRET</span><span class="o">!</span><span class="p">,</span>
</span><span id="__span-1-65"><a id="__codelineno-1-65" name="__codelineno-1-65" href="#__codelineno-1-65"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">expiresIn</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;7d&#39;</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-66"><a id="__codelineno-1-66" name="__codelineno-1-66" href="#__codelineno-1-66"></a><span class="w"> </span><span class="p">);</span>
</span><span id="__span-1-67"><a id="__codelineno-1-67" name="__codelineno-1-67" href="#__codelineno-1-67"></a>
</span><span id="__span-1-68"><a id="__codelineno-1-68" name="__codelineno-1-68" href="#__codelineno-1-68"></a><span class="w"> </span><span class="c1">// Store refresh token in database</span>
</span><span id="__span-1-69"><a id="__codelineno-1-69" name="__codelineno-1-69" href="#__codelineno-1-69"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span>
</span><span id="__span-1-70"><a id="__codelineno-1-70" name="__codelineno-1-70" href="#__codelineno-1-70"></a><span class="w"> </span><span class="nx">data</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-71"><a id="__codelineno-1-71" name="__codelineno-1-71" href="#__codelineno-1-71"></a><span class="w"> </span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">refreshToken</span><span class="p">,</span>
</span><span id="__span-1-72"><a id="__codelineno-1-72" name="__codelineno-1-72" href="#__codelineno-1-72"></a><span class="w"> </span><span class="nx">userId</span><span class="o">:</span><span class="w"> </span><span class="kt">user.id</span><span class="p">,</span>
</span><span id="__span-1-73"><a id="__codelineno-1-73" name="__codelineno-1-73" href="#__codelineno-1-73"></a><span class="w"> </span><span class="nx">expiresAt</span><span class="o">:</span><span class="w"> </span><span class="kt">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">(</span><span class="nb">Date</span><span class="p">.</span><span class="nx">now</span><span class="p">()</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">7</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">24</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">1000</span><span class="p">)</span><span class="w"> </span><span class="c1">// 7 days</span>
</span><span id="__span-1-74"><a id="__codelineno-1-74" name="__codelineno-1-74" href="#__codelineno-1-74"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-75"><a id="__codelineno-1-75" name="__codelineno-1-75" href="#__codelineno-1-75"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-1-76"><a id="__codelineno-1-76" name="__codelineno-1-76" href="#__codelineno-1-76"></a>
</span><span id="__span-1-77"><a id="__codelineno-1-77" name="__codelineno-1-77" href="#__codelineno-1-77"></a><span class="w"> </span><span class="c1">// Update last login timestamp</span>
</span><span id="__span-1-78"><a id="__codelineno-1-78" name="__codelineno-1-78" href="#__codelineno-1-78"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>
</span><span id="__span-1-79"><a id="__codelineno-1-79" name="__codelineno-1-79" href="#__codelineno-1-79"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">user.id</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-80"><a id="__codelineno-1-80" name="__codelineno-1-80" href="#__codelineno-1-80"></a><span class="w"> </span><span class="nx">data</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">lastLoginAt</span><span class="o">:</span><span class="w"> </span><span class="kt">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">()</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-81"><a id="__codelineno-1-81" name="__codelineno-1-81" href="#__codelineno-1-81"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-1-82"><a id="__codelineno-1-82" name="__codelineno-1-82" href="#__codelineno-1-82"></a>
</span><span id="__span-1-83"><a id="__codelineno-1-83" name="__codelineno-1-83" href="#__codelineno-1-83"></a><span class="w"> </span><span class="c1">// Increment metrics</span>
</span><span id="__span-1-84"><a id="__codelineno-1-84" name="__codelineno-1-84" href="#__codelineno-1-84"></a><span class="w"> </span><span class="nx">incrementMetric</span><span class="p">(</span><span class="s1">&#39;cm_login_attempts_total&#39;</span><span class="p">,</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">status</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;success&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">user.role</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-1-85"><a id="__codelineno-1-85" name="__codelineno-1-85" href="#__codelineno-1-85"></a>
</span><span id="__span-1-86"><a id="__codelineno-1-86" name="__codelineno-1-86" href="#__codelineno-1-86"></a><span class="w"> </span><span class="c1">// Return user (no password) + tokens</span>
</span><span id="__span-1-87"><a id="__codelineno-1-87" name="__codelineno-1-87" href="#__codelineno-1-87"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">_</span><span class="p">,</span><span class="w"> </span><span class="p">...</span><span class="nx">userWithoutPassword</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">user</span><span class="p">;</span>
</span><span id="__span-1-88"><a id="__codelineno-1-88" name="__codelineno-1-88" href="#__codelineno-1-88"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-89"><a id="__codelineno-1-89" name="__codelineno-1-89" href="#__codelineno-1-89"></a><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">userWithoutPassword</span><span class="p">,</span>
</span><span id="__span-1-90"><a id="__codelineno-1-90" name="__codelineno-1-90" href="#__codelineno-1-90"></a><span class="w"> </span><span class="nx">accessToken</span><span class="p">,</span>
</span><span id="__span-1-91"><a id="__codelineno-1-91" name="__codelineno-1-91" href="#__codelineno-1-91"></a><span class="w"> </span><span class="nx">refreshToken</span>
</span><span id="__span-1-92"><a id="__codelineno-1-92" name="__codelineno-1-92" href="#__codelineno-1-92"></a><span class="w"> </span><span class="p">};</span>
</span><span id="__span-1-93"><a id="__codelineno-1-93" name="__codelineno-1-93" href="#__codelineno-1-93"></a><span class="p">}</span>
</span></code></pre></div>
<h3 id="password-policy">Password Policy<a class="headerlink" href="#password-policy" title="Permanent link">&para;</a></h3>
<p><strong>Enforced at Zod schema level:</strong></p>
<p><strong>File:</strong> <code>api/src/modules/auth/auth.schemas.ts</code> (lines 9-16)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-2-1"><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">z</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;zod&#39;</span><span class="p">;</span>
</span><span id="__span-2-2"><a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>
</span><span id="__span-2-3"><a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">passwordSchema</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">z</span>
</span><span id="__span-2-4"><a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span><span class="p">.</span><span class="kt">string</span><span class="p">()</span>
</span><span id="__span-2-5"><a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="w"> </span><span class="p">.</span><span class="nx">min</span><span class="p">(</span><span class="mf">12</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Password must be at least 12 characters&#39;</span><span class="p">)</span>
</span><span id="__span-2-6"><a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="w"> </span><span class="p">.</span><span class="nx">regex</span><span class="p">(</span><span class="sr">/[A-Z]/</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Password must contain at least one uppercase letter&#39;</span><span class="p">)</span>
</span><span id="__span-2-7"><a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="w"> </span><span class="p">.</span><span class="nx">regex</span><span class="p">(</span><span class="sr">/[a-z]/</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Password must contain at least one lowercase letter&#39;</span><span class="p">)</span>
</span><span id="__span-2-8"><a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a><span class="w"> </span><span class="p">.</span><span class="nx">regex</span><span class="p">(</span><span class="sr">/[0-9]/</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Password must contain at least one digit&#39;</span><span class="p">);</span>
</span><span id="__span-2-9"><a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a>
</span><span id="__span-2-10"><a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">registerSchema</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">z</span><span class="p">.</span><span class="nx">object</span><span class="p">({</span>
</span><span id="__span-2-11"><a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">z.string</span><span class="p">().</span><span class="nx">email</span><span class="p">(</span><span class="s1">&#39;Invalid email address&#39;</span><span class="p">),</span>
</span><span id="__span-2-12"><a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">passwordSchema</span><span class="p">,</span>
</span><span id="__span-2-13"><a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="kt">z.string</span><span class="p">().</span><span class="nx">min</span><span class="p">(</span><span class="mf">2</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Name must be at least 2 characters&#39;</span><span class="p">)</span>
</span><span id="__span-2-14"><a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a><span class="p">});</span>
</span><span id="__span-2-15"><a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a>
</span><span id="__span-2-16"><a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">loginSchema</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">z</span><span class="p">.</span><span class="nx">object</span><span class="p">({</span>
</span><span id="__span-2-17"><a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">z.string</span><span class="p">().</span><span class="nx">email</span><span class="p">(</span><span class="s1">&#39;Invalid email address&#39;</span><span class="p">),</span>
</span><span id="__span-2-18"><a id="__codelineno-2-18" name="__codelineno-2-18" href="#__codelineno-2-18"></a><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">z.string</span><span class="p">().</span><span class="nx">min</span><span class="p">(</span><span class="mf">1</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;Password is required&#39;</span><span class="p">)</span>
</span><span id="__span-2-19"><a id="__codelineno-2-19" name="__codelineno-2-19" href="#__codelineno-2-19"></a><span class="p">});</span>
</span></code></pre></div>
<p><strong>Policy Requirements:</strong>
- Minimum 12 characters
- At least one uppercase letter (A-Z)
- At least one lowercase letter (a-z)
- At least one digit (0-9)</p>
<p><strong>Note:</strong> Policy is NOT enforced on login (only on registration/password change) to avoid breaking existing accounts.</p>
<h2 id="refresh-token-flow">Refresh Token Flow<a class="headerlink" href="#refresh-token-flow" title="Permanent link">&para;</a></h2>
<h3 id="sequence-diagram_1">Sequence Diagram<a class="headerlink" href="#sequence-diagram_1" title="Permanent link">&para;</a></h3>
<pre class="mermaid"><code>sequenceDiagram
participant React as Admin GUI
participant API as Express API
participant PG as PostgreSQL
Note over React: Access token expires (15min)
React-&gt;&gt;React: Detect 401 Unauthorized
React-&gt;&gt;API: POST /api/auth/refresh
Note right of React: Send refresh token
API-&gt;&gt;API: jwt.verify(refreshToken)
alt Token invalid/expired
API--&gt;&gt;React: 401 Unauthorized
React-&gt;&gt;React: Clear auth state
React--&gt;&gt;User: Redirect to login
else Token valid
API-&gt;&gt;PG: BEGIN TRANSACTION
API-&gt;&gt;PG: SELECT RefreshToken WHERE token = ?
alt Token not in database
API-&gt;&gt;PG: ROLLBACK
API--&gt;&gt;React: 401 Unauthorized
else Token found
API-&gt;&gt;PG: DELETE FROM RefreshToken WHERE token = ?
API-&gt;&gt;API: Generate new access token (15min)
API-&gt;&gt;API: Generate new refresh token (7d)
API-&gt;&gt;PG: INSERT new RefreshToken
API-&gt;&gt;PG: COMMIT TRANSACTION
API--&gt;&gt;React: { accessToken, refreshToken }
React-&gt;&gt;React: Update stored tokens
React-&gt;&gt;React: Retry original request
end
end</code></pre>
<h3 id="implementation_1">Implementation<a class="headerlink" href="#implementation_1" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>api/src/modules/auth/auth.service.ts</code> (lines 82-130)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-3-1"><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="k">export</span><span class="w"> </span><span class="k">async</span><span class="w"> </span><span class="kd">function</span><span class="w"> </span><span class="nx">refreshTokens</span><span class="p">(</span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-2"><a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="w"> </span><span class="c1">// Verify refresh token signature</span>
</span><span id="__span-3-3"><a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="nx">payload</span><span class="o">:</span><span class="w"> </span><span class="kt">any</span><span class="p">;</span>
</span><span id="__span-3-4"><a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="w"> </span><span class="k">try</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-5"><a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="w"> </span><span class="nx">payload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">verify</span><span class="p">(</span><span class="nx">refreshToken</span><span class="p">,</span><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_REFRESH_SECRET</span><span class="o">!</span><span class="p">);</span>
</span><span id="__span-3-6"><a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">catch</span><span class="w"> </span><span class="p">(</span><span class="nx">err</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-7"><a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Invalid refresh token&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 401</span>
</span><span id="__span-3-8"><a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-9"><a id="__codelineno-3-9" name="__codelineno-3-9" href="#__codelineno-3-9"></a>
</span><span id="__span-3-10"><a id="__codelineno-3-10" name="__codelineno-3-10" href="#__codelineno-3-10"></a><span class="w"> </span><span class="c1">// Atomic transaction for token rotation</span>
</span><span id="__span-3-11"><a id="__codelineno-3-11" name="__codelineno-3-11" href="#__codelineno-3-11"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">result</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">$transaction</span><span class="p">(</span><span class="k">async</span><span class="w"> </span><span class="p">(</span><span class="nx">tx</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-12"><a id="__codelineno-3-12" name="__codelineno-3-12" href="#__codelineno-3-12"></a><span class="w"> </span><span class="c1">// Check if refresh token exists in database</span>
</span><span id="__span-3-13"><a id="__codelineno-3-13" name="__codelineno-3-13" href="#__codelineno-3-13"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">storedToken</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">tx</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">.</span><span class="nx">findUnique</span><span class="p">({</span>
</span><span id="__span-3-14"><a id="__codelineno-3-14" name="__codelineno-3-14" href="#__codelineno-3-14"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">refreshToken</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-3-15"><a id="__codelineno-3-15" name="__codelineno-3-15" href="#__codelineno-3-15"></a><span class="w"> </span><span class="nx">include</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-16"><a id="__codelineno-3-16" name="__codelineno-3-16" href="#__codelineno-3-16"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-3-17"><a id="__codelineno-3-17" name="__codelineno-3-17" href="#__codelineno-3-17"></a>
</span><span id="__span-3-18"><a id="__codelineno-3-18" name="__codelineno-3-18" href="#__codelineno-3-18"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">storedToken</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-19"><a id="__codelineno-3-19" name="__codelineno-3-19" href="#__codelineno-3-19"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Refresh token not found&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 401</span>
</span><span id="__span-3-20"><a id="__codelineno-3-20" name="__codelineno-3-20" href="#__codelineno-3-20"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-21"><a id="__codelineno-3-21" name="__codelineno-3-21" href="#__codelineno-3-21"></a>
</span><span id="__span-3-22"><a id="__codelineno-3-22" name="__codelineno-3-22" href="#__codelineno-3-22"></a><span class="w"> </span><span class="c1">// Check expiration</span>
</span><span id="__span-3-23"><a id="__codelineno-3-23" name="__codelineno-3-23" href="#__codelineno-3-23"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="ow">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">()</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="nx">storedToken</span><span class="p">.</span><span class="nx">expiresAt</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-24"><a id="__codelineno-3-24" name="__codelineno-3-24" href="#__codelineno-3-24"></a><span class="w"> </span><span class="c1">// Delete expired token</span>
</span><span id="__span-3-25"><a id="__codelineno-3-25" name="__codelineno-3-25" href="#__codelineno-3-25"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">tx</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">.</span><span class="ow">delete</span><span class="p">({</span>
</span><span id="__span-3-26"><a id="__codelineno-3-26" name="__codelineno-3-26" href="#__codelineno-3-26"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">refreshToken</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-27"><a id="__codelineno-3-27" name="__codelineno-3-27" href="#__codelineno-3-27"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-3-28"><a id="__codelineno-3-28" name="__codelineno-3-28" href="#__codelineno-3-28"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Refresh token expired&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 401</span>
</span><span id="__span-3-29"><a id="__codelineno-3-29" name="__codelineno-3-29" href="#__codelineno-3-29"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-30"><a id="__codelineno-3-30" name="__codelineno-3-30" href="#__codelineno-3-30"></a>
</span><span id="__span-3-31"><a id="__codelineno-3-31" name="__codelineno-3-31" href="#__codelineno-3-31"></a><span class="w"> </span><span class="c1">// Check user status</span>
</span><span id="__span-3-32"><a id="__codelineno-3-32" name="__codelineno-3-32" href="#__codelineno-3-32"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">storedToken</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">status</span><span class="w"> </span><span class="o">!==</span><span class="w"> </span><span class="s1">&#39;ACTIVE&#39;</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-33"><a id="__codelineno-3-33" name="__codelineno-3-33" href="#__codelineno-3-33"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;User account not active&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Returns 403</span>
</span><span id="__span-3-34"><a id="__codelineno-3-34" name="__codelineno-3-34" href="#__codelineno-3-34"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-35"><a id="__codelineno-3-35" name="__codelineno-3-35" href="#__codelineno-3-35"></a>
</span><span id="__span-3-36"><a id="__codelineno-3-36" name="__codelineno-3-36" href="#__codelineno-3-36"></a><span class="w"> </span><span class="c1">// Delete old refresh token (rotation)</span>
</span><span id="__span-3-37"><a id="__codelineno-3-37" name="__codelineno-3-37" href="#__codelineno-3-37"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">tx</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">.</span><span class="ow">delete</span><span class="p">({</span>
</span><span id="__span-3-38"><a id="__codelineno-3-38" name="__codelineno-3-38" href="#__codelineno-3-38"></a><span class="w"> </span><span class="nx">where</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">refreshToken</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-39"><a id="__codelineno-3-39" name="__codelineno-3-39" href="#__codelineno-3-39"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-3-40"><a id="__codelineno-3-40" name="__codelineno-3-40" href="#__codelineno-3-40"></a>
</span><span id="__span-3-41"><a id="__codelineno-3-41" name="__codelineno-3-41" href="#__codelineno-3-41"></a><span class="w"> </span><span class="c1">// Generate new access token</span>
</span><span id="__span-3-42"><a id="__codelineno-3-42" name="__codelineno-3-42" href="#__codelineno-3-42"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">newAccessToken</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">sign</span><span class="p">(</span>
</span><span id="__span-3-43"><a id="__codelineno-3-43" name="__codelineno-3-43" href="#__codelineno-3-43"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">storedToken.user.id</span><span class="p">,</span><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">storedToken.user.email</span><span class="p">,</span><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">storedToken.user.role</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-3-44"><a id="__codelineno-3-44" name="__codelineno-3-44" href="#__codelineno-3-44"></a><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_ACCESS_SECRET</span><span class="o">!</span><span class="p">,</span>
</span><span id="__span-3-45"><a id="__codelineno-3-45" name="__codelineno-3-45" href="#__codelineno-3-45"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">expiresIn</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;15m&#39;</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-46"><a id="__codelineno-3-46" name="__codelineno-3-46" href="#__codelineno-3-46"></a><span class="w"> </span><span class="p">);</span>
</span><span id="__span-3-47"><a id="__codelineno-3-47" name="__codelineno-3-47" href="#__codelineno-3-47"></a>
</span><span id="__span-3-48"><a id="__codelineno-3-48" name="__codelineno-3-48" href="#__codelineno-3-48"></a><span class="w"> </span><span class="c1">// Generate new refresh token</span>
</span><span id="__span-3-49"><a id="__codelineno-3-49" name="__codelineno-3-49" href="#__codelineno-3-49"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">newRefreshToken</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">sign</span><span class="p">(</span>
</span><span id="__span-3-50"><a id="__codelineno-3-50" name="__codelineno-3-50" href="#__codelineno-3-50"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">storedToken.user.id</span><span class="p">,</span><span class="w"> </span><span class="kr">type</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;refresh&#39;</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-3-51"><a id="__codelineno-3-51" name="__codelineno-3-51" href="#__codelineno-3-51"></a><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_REFRESH_SECRET</span><span class="o">!</span><span class="p">,</span>
</span><span id="__span-3-52"><a id="__codelineno-3-52" name="__codelineno-3-52" href="#__codelineno-3-52"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">expiresIn</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;7d&#39;</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-53"><a id="__codelineno-3-53" name="__codelineno-3-53" href="#__codelineno-3-53"></a><span class="w"> </span><span class="p">);</span>
</span><span id="__span-3-54"><a id="__codelineno-3-54" name="__codelineno-3-54" href="#__codelineno-3-54"></a>
</span><span id="__span-3-55"><a id="__codelineno-3-55" name="__codelineno-3-55" href="#__codelineno-3-55"></a><span class="w"> </span><span class="c1">// Store new refresh token</span>
</span><span id="__span-3-56"><a id="__codelineno-3-56" name="__codelineno-3-56" href="#__codelineno-3-56"></a><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">tx</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span>
</span><span id="__span-3-57"><a id="__codelineno-3-57" name="__codelineno-3-57" href="#__codelineno-3-57"></a><span class="w"> </span><span class="nx">data</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-58"><a id="__codelineno-3-58" name="__codelineno-3-58" href="#__codelineno-3-58"></a><span class="w"> </span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">newRefreshToken</span><span class="p">,</span>
</span><span id="__span-3-59"><a id="__codelineno-3-59" name="__codelineno-3-59" href="#__codelineno-3-59"></a><span class="w"> </span><span class="nx">userId</span><span class="o">:</span><span class="w"> </span><span class="kt">storedToken.user.id</span><span class="p">,</span>
</span><span id="__span-3-60"><a id="__codelineno-3-60" name="__codelineno-3-60" href="#__codelineno-3-60"></a><span class="w"> </span><span class="nx">expiresAt</span><span class="o">:</span><span class="w"> </span><span class="kt">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">(</span><span class="nb">Date</span><span class="p">.</span><span class="nx">now</span><span class="p">()</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">7</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">24</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">1000</span><span class="p">)</span>
</span><span id="__span-3-61"><a id="__codelineno-3-61" name="__codelineno-3-61" href="#__codelineno-3-61"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-3-62"><a id="__codelineno-3-62" name="__codelineno-3-62" href="#__codelineno-3-62"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-3-63"><a id="__codelineno-3-63" name="__codelineno-3-63" href="#__codelineno-3-63"></a>
</span><span id="__span-3-64"><a id="__codelineno-3-64" name="__codelineno-3-64" href="#__codelineno-3-64"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-3-65"><a id="__codelineno-3-65" name="__codelineno-3-65" href="#__codelineno-3-65"></a><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">newAccessToken</span><span class="p">,</span>
</span><span id="__span-3-66"><a id="__codelineno-3-66" name="__codelineno-3-66" href="#__codelineno-3-66"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">newRefreshToken</span>
</span><span id="__span-3-67"><a id="__codelineno-3-67" name="__codelineno-3-67" href="#__codelineno-3-67"></a><span class="w"> </span><span class="p">};</span>
</span><span id="__span-3-68"><a id="__codelineno-3-68" name="__codelineno-3-68" href="#__codelineno-3-68"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-3-69"><a id="__codelineno-3-69" name="__codelineno-3-69" href="#__codelineno-3-69"></a>
</span><span id="__span-3-70"><a id="__codelineno-3-70" name="__codelineno-3-70" href="#__codelineno-3-70"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">result</span><span class="p">;</span>
</span><span id="__span-3-71"><a id="__codelineno-3-71" name="__codelineno-3-71" href="#__codelineno-3-71"></a><span class="p">}</span>
</span></code></pre></div>
<p><strong>Critical:</strong> Refresh token rotation happens in a <strong>single database transaction</strong> to prevent race conditions (e.g., multiple refresh attempts).</p>
<h2 id="frontend-integration">Frontend Integration<a class="headerlink" href="#frontend-integration" title="Permanent link">&para;</a></h2>
<h3 id="zustand-auth-store">Zustand Auth Store<a class="headerlink" href="#zustand-auth-store" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>admin/src/stores/auth.store.ts</code> (lines 1-100)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-4-1"><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">create</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;zustand&#39;</span><span class="p">;</span>
</span><span id="__span-4-2"><a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">persist</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;zustand/middleware&#39;</span><span class="p">;</span>
</span><span id="__span-4-3"><a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>
</span><span id="__span-4-4"><a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="kd">interface</span><span class="w"> </span><span class="nx">User</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-5"><a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-4-6"><a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-4-7"><a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="kc">null</span><span class="p">;</span>
</span><span id="__span-4-8"><a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-4-9"><a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a><span class="p">}</span>
</span><span id="__span-4-10"><a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a>
</span><span id="__span-4-11"><a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a><span class="kd">interface</span><span class="w"> </span><span class="nx">AuthState</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-12"><a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">User</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="kc">null</span><span class="p">;</span>
</span><span id="__span-4-13"><a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="kc">null</span><span class="p">;</span>
</span><span id="__span-4-14"><a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="kc">null</span><span class="p">;</span>
</span><span id="__span-4-15"><a id="__codelineno-4-15" name="__codelineno-4-15" href="#__codelineno-4-15"></a><span class="w"> </span><span class="nx">isAuthenticated</span><span class="o">:</span><span class="w"> </span><span class="kt">boolean</span><span class="p">;</span>
</span><span id="__span-4-16"><a id="__codelineno-4-16" name="__codelineno-4-16" href="#__codelineno-4-16"></a>
</span><span id="__span-4-17"><a id="__codelineno-4-17" name="__codelineno-4-17" href="#__codelineno-4-17"></a><span class="w"> </span><span class="nx">login</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">User</span><span class="p">,</span><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">,</span><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="ow">void</span><span class="p">;</span>
</span><span id="__span-4-18"><a id="__codelineno-4-18" name="__codelineno-4-18" href="#__codelineno-4-18"></a><span class="w"> </span><span class="nx">logout</span><span class="o">:</span><span class="w"> </span><span class="p">()</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="ow">void</span><span class="p">;</span>
</span><span id="__span-4-19"><a id="__codelineno-4-19" name="__codelineno-4-19" href="#__codelineno-4-19"></a><span class="w"> </span><span class="nx">updateTokens</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">,</span><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="ow">void</span><span class="p">;</span>
</span><span id="__span-4-20"><a id="__codelineno-4-20" name="__codelineno-4-20" href="#__codelineno-4-20"></a><span class="p">}</span>
</span><span id="__span-4-21"><a id="__codelineno-4-21" name="__codelineno-4-21" href="#__codelineno-4-21"></a>
</span><span id="__span-4-22"><a id="__codelineno-4-22" name="__codelineno-4-22" href="#__codelineno-4-22"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">useAuthStore</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">create</span><span class="o">&lt;</span><span class="nx">AuthState</span><span class="o">&gt;</span><span class="p">()(</span>
</span><span id="__span-4-23"><a id="__codelineno-4-23" name="__codelineno-4-23" href="#__codelineno-4-23"></a><span class="w"> </span><span class="nx">persist</span><span class="p">(</span>
</span><span id="__span-4-24"><a id="__codelineno-4-24" name="__codelineno-4-24" href="#__codelineno-4-24"></a><span class="w"> </span><span class="p">(</span><span class="nx">set</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">({</span>
</span><span id="__span-4-25"><a id="__codelineno-4-25" name="__codelineno-4-25" href="#__codelineno-4-25"></a><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-26"><a id="__codelineno-4-26" name="__codelineno-4-26" href="#__codelineno-4-26"></a><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-27"><a id="__codelineno-4-27" name="__codelineno-4-27" href="#__codelineno-4-27"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-28"><a id="__codelineno-4-28" name="__codelineno-4-28" href="#__codelineno-4-28"></a><span class="w"> </span><span class="nx">isAuthenticated</span><span class="o">:</span><span class="w"> </span><span class="kt">false</span><span class="p">,</span>
</span><span id="__span-4-29"><a id="__codelineno-4-29" name="__codelineno-4-29" href="#__codelineno-4-29"></a>
</span><span id="__span-4-30"><a id="__codelineno-4-30" name="__codelineno-4-30" href="#__codelineno-4-30"></a><span class="w"> </span><span class="nx">login</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">user</span><span class="p">,</span><span class="w"> </span><span class="nx">accessToken</span><span class="p">,</span><span class="w"> </span><span class="nx">refreshToken</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-31"><a id="__codelineno-4-31" name="__codelineno-4-31" href="#__codelineno-4-31"></a><span class="w"> </span><span class="nx">set</span><span class="p">({</span>
</span><span id="__span-4-32"><a id="__codelineno-4-32" name="__codelineno-4-32" href="#__codelineno-4-32"></a><span class="w"> </span><span class="nx">user</span><span class="p">,</span>
</span><span id="__span-4-33"><a id="__codelineno-4-33" name="__codelineno-4-33" href="#__codelineno-4-33"></a><span class="w"> </span><span class="nx">accessToken</span><span class="p">,</span>
</span><span id="__span-4-34"><a id="__codelineno-4-34" name="__codelineno-4-34" href="#__codelineno-4-34"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="p">,</span>
</span><span id="__span-4-35"><a id="__codelineno-4-35" name="__codelineno-4-35" href="#__codelineno-4-35"></a><span class="w"> </span><span class="nx">isAuthenticated</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span>
</span><span id="__span-4-36"><a id="__codelineno-4-36" name="__codelineno-4-36" href="#__codelineno-4-36"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-4-37"><a id="__codelineno-4-37" name="__codelineno-4-37" href="#__codelineno-4-37"></a><span class="w"> </span><span class="p">},</span>
</span><span id="__span-4-38"><a id="__codelineno-4-38" name="__codelineno-4-38" href="#__codelineno-4-38"></a>
</span><span id="__span-4-39"><a id="__codelineno-4-39" name="__codelineno-4-39" href="#__codelineno-4-39"></a><span class="w"> </span><span class="nx">logout</span><span class="o">:</span><span class="w"> </span><span class="p">()</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-40"><a id="__codelineno-4-40" name="__codelineno-4-40" href="#__codelineno-4-40"></a><span class="w"> </span><span class="nx">set</span><span class="p">({</span>
</span><span id="__span-4-41"><a id="__codelineno-4-41" name="__codelineno-4-41" href="#__codelineno-4-41"></a><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-42"><a id="__codelineno-4-42" name="__codelineno-4-42" href="#__codelineno-4-42"></a><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-43"><a id="__codelineno-4-43" name="__codelineno-4-43" href="#__codelineno-4-43"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">null</span><span class="p">,</span>
</span><span id="__span-4-44"><a id="__codelineno-4-44" name="__codelineno-4-44" href="#__codelineno-4-44"></a><span class="w"> </span><span class="nx">isAuthenticated</span><span class="o">:</span><span class="w"> </span><span class="kt">false</span>
</span><span id="__span-4-45"><a id="__codelineno-4-45" name="__codelineno-4-45" href="#__codelineno-4-45"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-4-46"><a id="__codelineno-4-46" name="__codelineno-4-46" href="#__codelineno-4-46"></a><span class="w"> </span><span class="p">},</span>
</span><span id="__span-4-47"><a id="__codelineno-4-47" name="__codelineno-4-47" href="#__codelineno-4-47"></a>
</span><span id="__span-4-48"><a id="__codelineno-4-48" name="__codelineno-4-48" href="#__codelineno-4-48"></a><span class="w"> </span><span class="nx">updateTokens</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">accessToken</span><span class="p">,</span><span class="w"> </span><span class="nx">refreshToken</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-49"><a id="__codelineno-4-49" name="__codelineno-4-49" href="#__codelineno-4-49"></a><span class="w"> </span><span class="nx">set</span><span class="p">({</span><span class="w"> </span><span class="nx">accessToken</span><span class="p">,</span><span class="w"> </span><span class="nx">refreshToken</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-4-50"><a id="__codelineno-4-50" name="__codelineno-4-50" href="#__codelineno-4-50"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-4-51"><a id="__codelineno-4-51" name="__codelineno-4-51" href="#__codelineno-4-51"></a><span class="w"> </span><span class="p">}),</span>
</span><span id="__span-4-52"><a id="__codelineno-4-52" name="__codelineno-4-52" href="#__codelineno-4-52"></a><span class="w"> </span><span class="p">{</span>
</span><span id="__span-4-53"><a id="__codelineno-4-53" name="__codelineno-4-53" href="#__codelineno-4-53"></a><span class="w"> </span><span class="nx">name</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;auth-storage&#39;</span><span class="p">,</span><span class="w"> </span><span class="c1">// LocalStorage key</span>
</span><span id="__span-4-54"><a id="__codelineno-4-54" name="__codelineno-4-54" href="#__codelineno-4-54"></a><span class="w"> </span><span class="nx">partialize</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">state</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">({</span>
</span><span id="__span-4-55"><a id="__codelineno-4-55" name="__codelineno-4-55" href="#__codelineno-4-55"></a><span class="w"> </span><span class="nx">user</span><span class="o">:</span><span class="w"> </span><span class="kt">state.user</span><span class="p">,</span>
</span><span id="__span-4-56"><a id="__codelineno-4-56" name="__codelineno-4-56" href="#__codelineno-4-56"></a><span class="w"> </span><span class="nx">accessToken</span><span class="o">:</span><span class="w"> </span><span class="kt">state.accessToken</span><span class="p">,</span>
</span><span id="__span-4-57"><a id="__codelineno-4-57" name="__codelineno-4-57" href="#__codelineno-4-57"></a><span class="w"> </span><span class="nx">refreshToken</span><span class="o">:</span><span class="w"> </span><span class="kt">state.refreshToken</span><span class="p">,</span>
</span><span id="__span-4-58"><a id="__codelineno-4-58" name="__codelineno-4-58" href="#__codelineno-4-58"></a><span class="w"> </span><span class="nx">isAuthenticated</span><span class="o">:</span><span class="w"> </span><span class="kt">state.isAuthenticated</span>
</span><span id="__span-4-59"><a id="__codelineno-4-59" name="__codelineno-4-59" href="#__codelineno-4-59"></a><span class="w"> </span><span class="p">})</span>
</span><span id="__span-4-60"><a id="__codelineno-4-60" name="__codelineno-4-60" href="#__codelineno-4-60"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-4-61"><a id="__codelineno-4-61" name="__codelineno-4-61" href="#__codelineno-4-61"></a><span class="w"> </span><span class="p">)</span>
</span><span id="__span-4-62"><a id="__codelineno-4-62" name="__codelineno-4-62" href="#__codelineno-4-62"></a><span class="p">);</span>
</span></code></pre></div>
<h3 id="axios-401-interceptor">Axios 401 Interceptor<a class="headerlink" href="#axios-401-interceptor" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>admin/src/lib/api.ts</code> (lines 34-78)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-5-1"><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="k">import</span><span class="w"> </span><span class="nx">axios</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;axios&#39;</span><span class="p">;</span>
</span><span id="__span-5-2"><a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">useAuthStore</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;../stores/auth.store&#39;</span><span class="p">;</span>
</span><span id="__span-5-3"><a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>
</span><span id="__span-5-4"><a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">api</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">axios</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span>
</span><span id="__span-5-5"><a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="w"> </span><span class="nx">baseURL</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;/api&#39;</span><span class="p">,</span>
</span><span id="__span-5-6"><a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a><span class="w"> </span><span class="nx">headers</span><span class="o">:</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-7"><a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="w"> </span><span class="s1">&#39;Content-Type&#39;</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;application/json&#39;</span>
</span><span id="__span-5-8"><a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-9"><a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a><span class="p">});</span>
</span><span id="__span-5-10"><a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a>
</span><span id="__span-5-11"><a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a><span class="c1">// Request interceptor: Add access token to all requests</span>
</span><span id="__span-5-12"><a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a><span class="nx">api</span><span class="p">.</span><span class="nx">interceptors</span><span class="p">.</span><span class="nx">request</span><span class="p">.</span><span class="nx">use</span><span class="p">((</span><span class="nx">config</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-13"><a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">accessToken</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">useAuthStore</span><span class="p">.</span><span class="nx">getState</span><span class="p">();</span>
</span><span id="__span-5-14"><a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">accessToken</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-15"><a id="__codelineno-5-15" name="__codelineno-5-15" href="#__codelineno-5-15"></a><span class="w"> </span><span class="nx">config</span><span class="p">.</span><span class="nx">headers</span><span class="p">.</span><span class="nx">Authorization</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="sb">`Bearer </span><span class="si">${</span><span class="nx">accessToken</span><span class="si">}</span><span class="sb">`</span><span class="p">;</span>
</span><span id="__span-5-16"><a id="__codelineno-5-16" name="__codelineno-5-16" href="#__codelineno-5-16"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-17"><a id="__codelineno-5-17" name="__codelineno-5-17" href="#__codelineno-5-17"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">config</span><span class="p">;</span>
</span><span id="__span-5-18"><a id="__codelineno-5-18" name="__codelineno-5-18" href="#__codelineno-5-18"></a><span class="p">});</span>
</span><span id="__span-5-19"><a id="__codelineno-5-19" name="__codelineno-5-19" href="#__codelineno-5-19"></a>
</span><span id="__span-5-20"><a id="__codelineno-5-20" name="__codelineno-5-20" href="#__codelineno-5-20"></a><span class="c1">// Response interceptor: Handle 401 with token refresh</span>
</span><span id="__span-5-21"><a id="__codelineno-5-21" name="__codelineno-5-21" href="#__codelineno-5-21"></a><span class="kd">let</span><span class="w"> </span><span class="nx">isRefreshing</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">false</span><span class="p">;</span>
</span><span id="__span-5-22"><a id="__codelineno-5-22" name="__codelineno-5-22" href="#__codelineno-5-22"></a><span class="kd">let</span><span class="w"> </span><span class="nx">refreshCallbacks</span><span class="o">:</span><span class="w"> </span><span class="p">((</span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="ow">void</span><span class="p">)[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span>
</span><span id="__span-5-23"><a id="__codelineno-5-23" name="__codelineno-5-23" href="#__codelineno-5-23"></a>
</span><span id="__span-5-24"><a id="__codelineno-5-24" name="__codelineno-5-24" href="#__codelineno-5-24"></a><span class="nx">api</span><span class="p">.</span><span class="nx">interceptors</span><span class="p">.</span><span class="nx">response</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span>
</span><span id="__span-5-25"><a id="__codelineno-5-25" name="__codelineno-5-25" href="#__codelineno-5-25"></a><span class="w"> </span><span class="p">(</span><span class="nx">response</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="nx">response</span><span class="p">,</span>
</span><span id="__span-5-26"><a id="__codelineno-5-26" name="__codelineno-5-26" href="#__codelineno-5-26"></a><span class="w"> </span><span class="k">async</span><span class="w"> </span><span class="p">(</span><span class="nx">error</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-27"><a id="__codelineno-5-27" name="__codelineno-5-27" href="#__codelineno-5-27"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">originalRequest</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">error</span><span class="p">.</span><span class="nx">config</span><span class="p">;</span>
</span><span id="__span-5-28"><a id="__codelineno-5-28" name="__codelineno-5-28" href="#__codelineno-5-28"></a>
</span><span id="__span-5-29"><a id="__codelineno-5-29" name="__codelineno-5-29" href="#__codelineno-5-29"></a><span class="w"> </span><span class="c1">// If 401 and we haven&#39;t tried refreshing yet</span>
</span><span id="__span-5-30"><a id="__codelineno-5-30" name="__codelineno-5-30" href="#__codelineno-5-30"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">error</span><span class="p">.</span><span class="nx">response</span><span class="o">?</span><span class="p">.</span><span class="nx">status</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="mf">401</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="o">!</span><span class="nx">originalRequest</span><span class="p">.</span><span class="nx">_retry</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-31"><a id="__codelineno-5-31" name="__codelineno-5-31" href="#__codelineno-5-31"></a><span class="w"> </span><span class="nx">originalRequest</span><span class="p">.</span><span class="nx">_retry</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">true</span><span class="p">;</span>
</span><span id="__span-5-32"><a id="__codelineno-5-32" name="__codelineno-5-32" href="#__codelineno-5-32"></a>
</span><span id="__span-5-33"><a id="__codelineno-5-33" name="__codelineno-5-33" href="#__codelineno-5-33"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">refreshToken</span><span class="p">,</span><span class="w"> </span><span class="nx">updateTokens</span><span class="p">,</span><span class="w"> </span><span class="nx">logout</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">useAuthStore</span><span class="p">.</span><span class="nx">getState</span><span class="p">();</span>
</span><span id="__span-5-34"><a id="__codelineno-5-34" name="__codelineno-5-34" href="#__codelineno-5-34"></a>
</span><span id="__span-5-35"><a id="__codelineno-5-35" name="__codelineno-5-35" href="#__codelineno-5-35"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">refreshToken</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-36"><a id="__codelineno-5-36" name="__codelineno-5-36" href="#__codelineno-5-36"></a><span class="w"> </span><span class="nx">logout</span><span class="p">();</span>
</span><span id="__span-5-37"><a id="__codelineno-5-37" name="__codelineno-5-37" href="#__codelineno-5-37"></a><span class="w"> </span><span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">href</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;/login&#39;</span><span class="p">;</span>
</span><span id="__span-5-38"><a id="__codelineno-5-38" name="__codelineno-5-38" href="#__codelineno-5-38"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nb">Promise</span><span class="p">.</span><span class="nx">reject</span><span class="p">(</span><span class="nx">error</span><span class="p">);</span>
</span><span id="__span-5-39"><a id="__codelineno-5-39" name="__codelineno-5-39" href="#__codelineno-5-39"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-40"><a id="__codelineno-5-40" name="__codelineno-5-40" href="#__codelineno-5-40"></a>
</span><span id="__span-5-41"><a id="__codelineno-5-41" name="__codelineno-5-41" href="#__codelineno-5-41"></a><span class="w"> </span><span class="c1">// Deduplicate refresh requests (only one refresh at a time)</span>
</span><span id="__span-5-42"><a id="__codelineno-5-42" name="__codelineno-5-42" href="#__codelineno-5-42"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">isRefreshing</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-43"><a id="__codelineno-5-43" name="__codelineno-5-43" href="#__codelineno-5-43"></a><span class="w"> </span><span class="c1">// Wait for ongoing refresh to complete</span>
</span><span id="__span-5-44"><a id="__codelineno-5-44" name="__codelineno-5-44" href="#__codelineno-5-44"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nb">Promise</span><span class="p">((</span><span class="nx">resolve</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-45"><a id="__codelineno-5-45" name="__codelineno-5-45" href="#__codelineno-5-45"></a><span class="w"> </span><span class="nx">refreshCallbacks</span><span class="p">.</span><span class="nx">push</span><span class="p">((</span><span class="nx">token</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-46"><a id="__codelineno-5-46" name="__codelineno-5-46" href="#__codelineno-5-46"></a><span class="w"> </span><span class="nx">originalRequest</span><span class="p">.</span><span class="nx">headers</span><span class="p">.</span><span class="nx">Authorization</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="sb">`Bearer </span><span class="si">${</span><span class="nx">token</span><span class="si">}</span><span class="sb">`</span><span class="p">;</span>
</span><span id="__span-5-47"><a id="__codelineno-5-47" name="__codelineno-5-47" href="#__codelineno-5-47"></a><span class="w"> </span><span class="nx">resolve</span><span class="p">(</span><span class="nx">api</span><span class="p">(</span><span class="nx">originalRequest</span><span class="p">));</span>
</span><span id="__span-5-48"><a id="__codelineno-5-48" name="__codelineno-5-48" href="#__codelineno-5-48"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-5-49"><a id="__codelineno-5-49" name="__codelineno-5-49" href="#__codelineno-5-49"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-5-50"><a id="__codelineno-5-50" name="__codelineno-5-50" href="#__codelineno-5-50"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-51"><a id="__codelineno-5-51" name="__codelineno-5-51" href="#__codelineno-5-51"></a>
</span><span id="__span-5-52"><a id="__codelineno-5-52" name="__codelineno-5-52" href="#__codelineno-5-52"></a><span class="w"> </span><span class="nx">isRefreshing</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">true</span><span class="p">;</span>
</span><span id="__span-5-53"><a id="__codelineno-5-53" name="__codelineno-5-53" href="#__codelineno-5-53"></a>
</span><span id="__span-5-54"><a id="__codelineno-5-54" name="__codelineno-5-54" href="#__codelineno-5-54"></a><span class="w"> </span><span class="k">try</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-55"><a id="__codelineno-5-55" name="__codelineno-5-55" href="#__codelineno-5-55"></a><span class="w"> </span><span class="c1">// Refresh tokens</span>
</span><span id="__span-5-56"><a id="__codelineno-5-56" name="__codelineno-5-56" href="#__codelineno-5-56"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">data</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">axios</span><span class="p">.</span><span class="nx">post</span><span class="p">(</span><span class="s1">&#39;/api/auth/refresh&#39;</span><span class="p">,</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">refreshToken</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-5-57"><a id="__codelineno-5-57" name="__codelineno-5-57" href="#__codelineno-5-57"></a>
</span><span id="__span-5-58"><a id="__codelineno-5-58" name="__codelineno-5-58" href="#__codelineno-5-58"></a><span class="w"> </span><span class="c1">// Update stored tokens</span>
</span><span id="__span-5-59"><a id="__codelineno-5-59" name="__codelineno-5-59" href="#__codelineno-5-59"></a><span class="w"> </span><span class="nx">updateTokens</span><span class="p">(</span><span class="nx">data</span><span class="p">.</span><span class="nx">accessToken</span><span class="p">,</span><span class="w"> </span><span class="nx">data</span><span class="p">.</span><span class="nx">refreshToken</span><span class="p">);</span>
</span><span id="__span-5-60"><a id="__codelineno-5-60" name="__codelineno-5-60" href="#__codelineno-5-60"></a>
</span><span id="__span-5-61"><a id="__codelineno-5-61" name="__codelineno-5-61" href="#__codelineno-5-61"></a><span class="w"> </span><span class="c1">// Retry original request with new token</span>
</span><span id="__span-5-62"><a id="__codelineno-5-62" name="__codelineno-5-62" href="#__codelineno-5-62"></a><span class="w"> </span><span class="nx">originalRequest</span><span class="p">.</span><span class="nx">headers</span><span class="p">.</span><span class="nx">Authorization</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="sb">`Bearer </span><span class="si">${</span><span class="nx">data</span><span class="p">.</span><span class="nx">accessToken</span><span class="si">}</span><span class="sb">`</span><span class="p">;</span>
</span><span id="__span-5-63"><a id="__codelineno-5-63" name="__codelineno-5-63" href="#__codelineno-5-63"></a>
</span><span id="__span-5-64"><a id="__codelineno-5-64" name="__codelineno-5-64" href="#__codelineno-5-64"></a><span class="w"> </span><span class="c1">// Resolve queued requests</span>
</span><span id="__span-5-65"><a id="__codelineno-5-65" name="__codelineno-5-65" href="#__codelineno-5-65"></a><span class="w"> </span><span class="nx">refreshCallbacks</span><span class="p">.</span><span class="nx">forEach</span><span class="p">((</span><span class="nx">callback</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="nx">callback</span><span class="p">(</span><span class="nx">data</span><span class="p">.</span><span class="nx">accessToken</span><span class="p">));</span>
</span><span id="__span-5-66"><a id="__codelineno-5-66" name="__codelineno-5-66" href="#__codelineno-5-66"></a><span class="w"> </span><span class="nx">refreshCallbacks</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span>
</span><span id="__span-5-67"><a id="__codelineno-5-67" name="__codelineno-5-67" href="#__codelineno-5-67"></a>
</span><span id="__span-5-68"><a id="__codelineno-5-68" name="__codelineno-5-68" href="#__codelineno-5-68"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">api</span><span class="p">(</span><span class="nx">originalRequest</span><span class="p">);</span>
</span><span id="__span-5-69"><a id="__codelineno-5-69" name="__codelineno-5-69" href="#__codelineno-5-69"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">catch</span><span class="w"> </span><span class="p">(</span><span class="nx">refreshError</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-70"><a id="__codelineno-5-70" name="__codelineno-5-70" href="#__codelineno-5-70"></a><span class="w"> </span><span class="c1">// Refresh failed, logout</span>
</span><span id="__span-5-71"><a id="__codelineno-5-71" name="__codelineno-5-71" href="#__codelineno-5-71"></a><span class="w"> </span><span class="nx">logout</span><span class="p">();</span>
</span><span id="__span-5-72"><a id="__codelineno-5-72" name="__codelineno-5-72" href="#__codelineno-5-72"></a><span class="w"> </span><span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">href</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;/login&#39;</span><span class="p">;</span>
</span><span id="__span-5-73"><a id="__codelineno-5-73" name="__codelineno-5-73" href="#__codelineno-5-73"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nb">Promise</span><span class="p">.</span><span class="nx">reject</span><span class="p">(</span><span class="nx">refreshError</span><span class="p">);</span>
</span><span id="__span-5-74"><a id="__codelineno-5-74" name="__codelineno-5-74" href="#__codelineno-5-74"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">finally</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-5-75"><a id="__codelineno-5-75" name="__codelineno-5-75" href="#__codelineno-5-75"></a><span class="w"> </span><span class="nx">isRefreshing</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">false</span><span class="p">;</span>
</span><span id="__span-5-76"><a id="__codelineno-5-76" name="__codelineno-5-76" href="#__codelineno-5-76"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-77"><a id="__codelineno-5-77" name="__codelineno-5-77" href="#__codelineno-5-77"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-78"><a id="__codelineno-5-78" name="__codelineno-5-78" href="#__codelineno-5-78"></a>
</span><span id="__span-5-79"><a id="__codelineno-5-79" name="__codelineno-5-79" href="#__codelineno-5-79"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nb">Promise</span><span class="p">.</span><span class="nx">reject</span><span class="p">(</span><span class="nx">error</span><span class="p">);</span>
</span><span id="__span-5-80"><a id="__codelineno-5-80" name="__codelineno-5-80" href="#__codelineno-5-80"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-5-81"><a id="__codelineno-5-81" name="__codelineno-5-81" href="#__codelineno-5-81"></a><span class="p">);</span>
</span></code></pre></div>
<p><strong>Key Features:</strong>
- Automatic token refresh on 401
- Deduplicates concurrent refresh requests (callback queue)
- Retries original request after refresh
- Logs out on refresh failure</p>
<h2 id="middleware">Middleware<a class="headerlink" href="#middleware" title="Permanent link">&para;</a></h2>
<h3 id="jwt-verification">JWT Verification<a class="headerlink" href="#jwt-verification" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>api/src/middleware/auth.ts</code> (lines 1-35)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-6-1"><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">Request</span><span class="p">,</span><span class="w"> </span><span class="nx">Response</span><span class="p">,</span><span class="w"> </span><span class="nx">NextFunction</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;express&#39;</span><span class="p">;</span>
</span><span id="__span-6-2"><a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="k">import</span><span class="w"> </span><span class="nx">jwt</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;jsonwebtoken&#39;</span><span class="p">;</span>
</span><span id="__span-6-3"><a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>
</span><span id="__span-6-4"><a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="k">export</span><span class="w"> </span><span class="kd">interface</span><span class="w"> </span><span class="nx">AuthUser</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-5"><a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a><span class="w"> </span><span class="nx">id</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-6-6"><a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a><span class="w"> </span><span class="nx">email</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-6-7"><a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">;</span>
</span><span id="__span-6-8"><a id="__codelineno-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></a><span class="p">}</span>
</span><span id="__span-6-9"><a id="__codelineno-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></a>
</span><span id="__span-6-10"><a id="__codelineno-6-10" name="__codelineno-6-10" href="#__codelineno-6-10"></a><span class="kr">declare</span><span class="w"> </span><span class="nb">global</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-11"><a id="__codelineno-6-11" name="__codelineno-6-11" href="#__codelineno-6-11"></a><span class="w"> </span><span class="nx">namespace</span><span class="w"> </span><span class="nx">Express</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-12"><a id="__codelineno-6-12" name="__codelineno-6-12" href="#__codelineno-6-12"></a><span class="w"> </span><span class="kd">interface</span><span class="w"> </span><span class="nx">Request</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-13"><a id="__codelineno-6-13" name="__codelineno-6-13" href="#__codelineno-6-13"></a><span class="w"> </span><span class="nx">user?</span><span class="o">:</span><span class="w"> </span><span class="kt">AuthUser</span><span class="p">;</span>
</span><span id="__span-6-14"><a id="__codelineno-6-14" name="__codelineno-6-14" href="#__codelineno-6-14"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-6-15"><a id="__codelineno-6-15" name="__codelineno-6-15" href="#__codelineno-6-15"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-6-16"><a id="__codelineno-6-16" name="__codelineno-6-16" href="#__codelineno-6-16"></a><span class="p">}</span>
</span><span id="__span-6-17"><a id="__codelineno-6-17" name="__codelineno-6-17" href="#__codelineno-6-17"></a>
</span><span id="__span-6-18"><a id="__codelineno-6-18" name="__codelineno-6-18" href="#__codelineno-6-18"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">authenticate</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="nx">req</span><span class="o">:</span><span class="w"> </span><span class="kt">Request</span><span class="p">,</span><span class="w"> </span><span class="nx">res</span><span class="o">:</span><span class="w"> </span><span class="kt">Response</span><span class="p">,</span><span class="w"> </span><span class="nx">next</span><span class="o">:</span><span class="w"> </span><span class="kt">NextFunction</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-19"><a id="__codelineno-6-19" name="__codelineno-6-19" href="#__codelineno-6-19"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">authHeader</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">req</span><span class="p">.</span><span class="nx">headers</span><span class="p">.</span><span class="nx">authorization</span><span class="p">;</span>
</span><span id="__span-6-20"><a id="__codelineno-6-20" name="__codelineno-6-20" href="#__codelineno-6-20"></a>
</span><span id="__span-6-21"><a id="__codelineno-6-21" name="__codelineno-6-21" href="#__codelineno-6-21"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">authHeader</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="o">!</span><span class="nx">authHeader</span><span class="p">.</span><span class="nx">startsWith</span><span class="p">(</span><span class="s1">&#39;Bearer &#39;</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-22"><a id="__codelineno-6-22" name="__codelineno-6-22" href="#__codelineno-6-22"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">.</span><span class="nx">status</span><span class="p">(</span><span class="mf">401</span><span class="p">).</span><span class="nx">json</span><span class="p">({</span><span class="w"> </span><span class="nx">error</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;No token provided&#39;</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-6-23"><a id="__codelineno-6-23" name="__codelineno-6-23" href="#__codelineno-6-23"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-6-24"><a id="__codelineno-6-24" name="__codelineno-6-24" href="#__codelineno-6-24"></a>
</span><span id="__span-6-25"><a id="__codelineno-6-25" name="__codelineno-6-25" href="#__codelineno-6-25"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">token</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">authHeader</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">)[</span><span class="mf">1</span><span class="p">];</span>
</span><span id="__span-6-26"><a id="__codelineno-6-26" name="__codelineno-6-26" href="#__codelineno-6-26"></a>
</span><span id="__span-6-27"><a id="__codelineno-6-27" name="__codelineno-6-27" href="#__codelineno-6-27"></a><span class="w"> </span><span class="k">try</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-28"><a id="__codelineno-6-28" name="__codelineno-6-28" href="#__codelineno-6-28"></a><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">payload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">jwt</span><span class="p">.</span><span class="nx">verify</span><span class="p">(</span><span class="nx">token</span><span class="p">,</span><span class="w"> </span><span class="nx">process</span><span class="p">.</span><span class="nx">env</span><span class="p">.</span><span class="nx">JWT_ACCESS_SECRET</span><span class="o">!</span><span class="p">)</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="nx">AuthUser</span><span class="p">;</span>
</span><span id="__span-6-29"><a id="__codelineno-6-29" name="__codelineno-6-29" href="#__codelineno-6-29"></a><span class="w"> </span><span class="nx">req</span><span class="p">.</span><span class="nx">user</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">payload</span><span class="p">;</span><span class="w"> </span><span class="c1">// Attach user to request</span>
</span><span id="__span-6-30"><a id="__codelineno-6-30" name="__codelineno-6-30" href="#__codelineno-6-30"></a><span class="w"> </span><span class="nx">next</span><span class="p">();</span>
</span><span id="__span-6-31"><a id="__codelineno-6-31" name="__codelineno-6-31" href="#__codelineno-6-31"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">catch</span><span class="w"> </span><span class="p">(</span><span class="nx">err</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-6-32"><a id="__codelineno-6-32" name="__codelineno-6-32" href="#__codelineno-6-32"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">.</span><span class="nx">status</span><span class="p">(</span><span class="mf">401</span><span class="p">).</span><span class="nx">json</span><span class="p">({</span><span class="w"> </span><span class="nx">error</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;Invalid or expired token&#39;</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-6-33"><a id="__codelineno-6-33" name="__codelineno-6-33" href="#__codelineno-6-33"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-6-34"><a id="__codelineno-6-34" name="__codelineno-6-34" href="#__codelineno-6-34"></a><span class="p">};</span>
</span></code></pre></div>
<h3 id="role-based-access-control-rbac">Role-Based Access Control (RBAC)<a class="headerlink" href="#role-based-access-control-rbac" title="Permanent link">&para;</a></h3>
<p><strong>File:</strong> <code>api/src/middleware/auth.ts</code> (lines 37-55)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-7-1"><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">requireRole</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="nx">...allowedRoles</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">[])</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-2"><a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="p">(</span><span class="nx">req</span><span class="o">:</span><span class="w"> </span><span class="kt">Request</span><span class="p">,</span><span class="w"> </span><span class="nx">res</span><span class="o">:</span><span class="w"> </span><span class="kt">Response</span><span class="p">,</span><span class="w"> </span><span class="nx">next</span><span class="o">:</span><span class="w"> </span><span class="kt">NextFunction</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-3"><a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">req</span><span class="p">.</span><span class="nx">user</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-4"><a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">.</span><span class="nx">status</span><span class="p">(</span><span class="mf">401</span><span class="p">).</span><span class="nx">json</span><span class="p">({</span><span class="w"> </span><span class="nx">error</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;Not authenticated&#39;</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-7-5"><a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-7-6"><a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>
</span><span id="__span-7-7"><a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">allowedRoles</span><span class="p">.</span><span class="nx">includes</span><span class="p">(</span><span class="nx">req</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">role</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-8"><a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">.</span><span class="nx">status</span><span class="p">(</span><span class="mf">403</span><span class="p">).</span><span class="nx">json</span><span class="p">({</span>
</span><span id="__span-7-9"><a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a><span class="w"> </span><span class="nx">error</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;Insufficient permissions&#39;</span><span class="p">,</span>
</span><span id="__span-7-10"><a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a><span class="w"> </span><span class="nx">required</span><span class="o">:</span><span class="w"> </span><span class="kt">allowedRoles</span><span class="p">,</span>
</span><span id="__span-7-11"><a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></a><span class="w"> </span><span class="nx">current</span><span class="o">:</span><span class="w"> </span><span class="kt">req.user.role</span>
</span><span id="__span-7-12"><a id="__codelineno-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a><span class="w"> </span><span class="p">});</span>
</span><span id="__span-7-13"><a id="__codelineno-7-13" name="__codelineno-7-13" href="#__codelineno-7-13"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-7-14"><a id="__codelineno-7-14" name="__codelineno-7-14" href="#__codelineno-7-14"></a>
</span><span id="__span-7-15"><a id="__codelineno-7-15" name="__codelineno-7-15" href="#__codelineno-7-15"></a><span class="w"> </span><span class="nx">next</span><span class="p">();</span>
</span><span id="__span-7-16"><a id="__codelineno-7-16" name="__codelineno-7-16" href="#__codelineno-7-16"></a><span class="w"> </span><span class="p">};</span>
</span><span id="__span-7-17"><a id="__codelineno-7-17" name="__codelineno-7-17" href="#__codelineno-7-17"></a><span class="p">};</span>
</span><span id="__span-7-18"><a id="__codelineno-7-18" name="__codelineno-7-18" href="#__codelineno-7-18"></a>
</span><span id="__span-7-19"><a id="__codelineno-7-19" name="__codelineno-7-19" href="#__codelineno-7-19"></a><span class="c1">// Block TEMP users from specific routes</span>
</span><span id="__span-7-20"><a id="__codelineno-7-20" name="__codelineno-7-20" href="#__codelineno-7-20"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">requireNonTemp</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="nx">req</span><span class="o">:</span><span class="w"> </span><span class="kt">Request</span><span class="p">,</span><span class="w"> </span><span class="nx">res</span><span class="o">:</span><span class="w"> </span><span class="kt">Response</span><span class="p">,</span><span class="w"> </span><span class="nx">next</span><span class="o">:</span><span class="w"> </span><span class="kt">NextFunction</span><span class="p">)</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-21"><a id="__codelineno-7-21" name="__codelineno-7-21" href="#__codelineno-7-21"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">req</span><span class="p">.</span><span class="nx">user</span><span class="o">?</span><span class="p">.</span><span class="nx">role</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="s1">&#39;TEMP&#39;</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-7-22"><a id="__codelineno-7-22" name="__codelineno-7-22" href="#__codelineno-7-22"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">.</span><span class="nx">status</span><span class="p">(</span><span class="mf">403</span><span class="p">).</span><span class="nx">json</span><span class="p">({</span><span class="w"> </span><span class="nx">error</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;Temporary users cannot access this resource&#39;</span><span class="w"> </span><span class="p">});</span>
</span><span id="__span-7-23"><a id="__codelineno-7-23" name="__codelineno-7-23" href="#__codelineno-7-23"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-7-24"><a id="__codelineno-7-24" name="__codelineno-7-24" href="#__codelineno-7-24"></a><span class="w"> </span><span class="nx">next</span><span class="p">();</span>
</span><span id="__span-7-25"><a id="__codelineno-7-25" name="__codelineno-7-25" href="#__codelineno-7-25"></a><span class="p">};</span>
</span></code></pre></div>
<p><strong>Usage:</strong></p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-8-1"><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">authenticate</span><span class="p">,</span><span class="w"> </span><span class="nx">requireRole</span><span class="p">,</span><span class="w"> </span><span class="nx">requireNonTemp</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;./middleware/auth&#39;</span><span class="p">;</span>
</span><span id="__span-8-2"><a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>
</span><span id="__span-8-3"><a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a><span class="c1">// Require authentication</span>
</span><span id="__span-8-4"><a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a><span class="nx">router</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="s1">&#39;/profile&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authenticate</span><span class="p">,</span><span class="w"> </span><span class="nx">getProfile</span><span class="p">);</span>
</span><span id="__span-8-5"><a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>
</span><span id="__span-8-6"><a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a><span class="c1">// Require specific role</span>
</span><span id="__span-8-7"><a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a><span class="nx">router</span><span class="p">.</span><span class="nx">post</span><span class="p">(</span><span class="s1">&#39;/campaigns&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authenticate</span><span class="p">,</span><span class="w"> </span><span class="nx">requireRole</span><span class="p">(</span><span class="s1">&#39;SUPER_ADMIN&#39;</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;INFLUENCE_ADMIN&#39;</span><span class="p">),</span><span class="w"> </span><span class="nx">createCampaign</span><span class="p">);</span>
</span><span id="__span-8-8"><a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a>
</span><span id="__span-8-9"><a id="__codelineno-8-9" name="__codelineno-8-9" href="#__codelineno-8-9"></a><span class="c1">// Block TEMP users</span>
</span><span id="__span-8-10"><a id="__codelineno-8-10" name="__codelineno-8-10" href="#__codelineno-8-10"></a><span class="nx">router</span><span class="p">.</span><span class="nx">post</span><span class="p">(</span><span class="s1">&#39;/users&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authenticate</span><span class="p">,</span><span class="w"> </span><span class="nx">requireNonTemp</span><span class="p">,</span><span class="w"> </span><span class="nx">createUser</span><span class="p">);</span>
</span></code></pre></div>
<h2 id="rate-limiting">Rate Limiting<a class="headerlink" href="#rate-limiting" title="Permanent link">&para;</a></h2>
<p><strong>File:</strong> <code>api/src/middleware/rate-limit.ts</code> (lines 1-45)</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-9-1"><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="k">import</span><span class="w"> </span><span class="nx">rateLimit</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;express-rate-limit&#39;</span><span class="p">;</span>
</span><span id="__span-9-2"><a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a><span class="k">import</span><span class="w"> </span><span class="nx">RedisStore</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;rate-limit-redis&#39;</span><span class="p">;</span>
</span><span id="__span-9-3"><a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a><span class="k">import</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">redis</span><span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;../config/redis&#39;</span><span class="p">;</span>
</span><span id="__span-9-4"><a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a>
</span><span id="__span-9-5"><a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="c1">// Auth endpoints: 10 requests per minute</span>
</span><span id="__span-9-6"><a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a><span class="k">export</span><span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">authRateLimit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">rateLimit</span><span class="p">({</span>
</span><span id="__span-9-7"><a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="w"> </span><span class="nx">store</span><span class="o">:</span><span class="w"> </span><span class="kt">new</span><span class="w"> </span><span class="nx">RedisStore</span><span class="p">({</span>
</span><span id="__span-9-8"><a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a><span class="w"> </span><span class="nx">client</span><span class="o">:</span><span class="w"> </span><span class="kt">redis</span><span class="p">,</span>
</span><span id="__span-9-9"><a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a><span class="w"> </span><span class="nx">prefix</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;rl:auth:&#39;</span><span class="p">,</span>
</span><span id="__span-9-10"><a id="__codelineno-9-10" name="__codelineno-9-10" href="#__codelineno-9-10"></a><span class="w"> </span><span class="nx">sendCommand</span><span class="o">:</span><span class="w"> </span><span class="p">(</span><span class="nx">...args</span><span class="o">:</span><span class="w"> </span><span class="kt">string</span><span class="p">[])</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="nx">redis</span><span class="p">.</span><span class="nx">call</span><span class="p">(...</span><span class="nx">args</span><span class="p">)</span>
</span><span id="__span-9-11"><a id="__codelineno-9-11" name="__codelineno-9-11" href="#__codelineno-9-11"></a><span class="w"> </span><span class="p">}),</span>
</span><span id="__span-9-12"><a id="__codelineno-9-12" name="__codelineno-9-12" href="#__codelineno-9-12"></a><span class="w"> </span><span class="nx">windowMs</span><span class="o">:</span><span class="w"> </span><span class="kt">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mf">1000</span><span class="p">,</span><span class="w"> </span><span class="c1">// 1 minute</span>
</span><span id="__span-9-13"><a id="__codelineno-9-13" name="__codelineno-9-13" href="#__codelineno-9-13"></a><span class="w"> </span><span class="nx">max</span><span class="o">:</span><span class="w"> </span><span class="kt">10</span><span class="p">,</span>
</span><span id="__span-9-14"><a id="__codelineno-9-14" name="__codelineno-9-14" href="#__codelineno-9-14"></a><span class="w"> </span><span class="nx">message</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;Too many auth requests, please try again later&#39;</span><span class="p">,</span>
</span><span id="__span-9-15"><a id="__codelineno-9-15" name="__codelineno-9-15" href="#__codelineno-9-15"></a><span class="w"> </span><span class="nx">standardHeaders</span><span class="o">:</span><span class="w"> </span><span class="kt">true</span><span class="p">,</span>
</span><span id="__span-9-16"><a id="__codelineno-9-16" name="__codelineno-9-16" href="#__codelineno-9-16"></a><span class="w"> </span><span class="nx">legacyHeaders</span><span class="o">:</span><span class="w"> </span><span class="kt">false</span>
</span><span id="__span-9-17"><a id="__codelineno-9-17" name="__codelineno-9-17" href="#__codelineno-9-17"></a><span class="p">});</span>
</span><span id="__span-9-18"><a id="__codelineno-9-18" name="__codelineno-9-18" href="#__codelineno-9-18"></a>
</span><span id="__span-9-19"><a id="__codelineno-9-19" name="__codelineno-9-19" href="#__codelineno-9-19"></a><span class="c1">// Apply to auth routes</span>
</span><span id="__span-9-20"><a id="__codelineno-9-20" name="__codelineno-9-20" href="#__codelineno-9-20"></a><span class="k">import</span><span class="w"> </span><span class="nx">authRoutes</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;./modules/auth/auth.routes&#39;</span><span class="p">;</span>
</span><span id="__span-9-21"><a id="__codelineno-9-21" name="__codelineno-9-21" href="#__codelineno-9-21"></a><span class="nx">app</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="s1">&#39;/api/auth/login&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authRateLimit</span><span class="p">);</span>
</span><span id="__span-9-22"><a id="__codelineno-9-22" name="__codelineno-9-22" href="#__codelineno-9-22"></a><span class="nx">app</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="s1">&#39;/api/auth/register&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authRateLimit</span><span class="p">);</span>
</span><span id="__span-9-23"><a id="__codelineno-9-23" name="__codelineno-9-23" href="#__codelineno-9-23"></a><span class="nx">app</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="s1">&#39;/api/auth/refresh&#39;</span><span class="p">,</span><span class="w"> </span><span class="nx">authRateLimit</span><span class="p">);</span>
</span></code></pre></div>
<h2 id="security-features">Security Features<a class="headerlink" href="#security-features" title="Permanent link">&para;</a></h2>
<h3 id="1-user-enumeration-prevention">1. User Enumeration Prevention<a class="headerlink" href="#1-user-enumeration-prevention" title="Permanent link">&para;</a></h3>
<p><strong>Problem:</strong> Attackers can enumerate valid emails by observing different error messages.</p>
<p><strong>Solution:</strong> Consistent 401 response for both "user not found" and "invalid password":</p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-10-1"><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">user</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-10-2"><a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Invalid credentials&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Same message</span>
</span><span id="__span-10-3"><a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a><span class="p">}</span>
</span><span id="__span-10-4"><a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a>
</span><span id="__span-10-5"><a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="nx">isValidPassword</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-10-6"><a id="__codelineno-10-6" name="__codelineno-10-6" href="#__codelineno-10-6"></a><span class="w"> </span><span class="k">throw</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="ne">Error</span><span class="p">(</span><span class="s1">&#39;Invalid credentials&#39;</span><span class="p">);</span><span class="w"> </span><span class="c1">// Same message</span>
</span><span id="__span-10-7"><a id="__codelineno-10-7" name="__codelineno-10-7" href="#__codelineno-10-7"></a><span class="p">}</span>
</span></code></pre></div>
<h3 id="2-password-hashing">2. Password Hashing<a class="headerlink" href="#2-password-hashing" title="Permanent link">&para;</a></h3>
<p><strong>bcryptjs with automatic salt generation:</strong></p>
<div class="language-typescript highlight"><pre><span></span><code><span id="__span-11-1"><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="k">import</span><span class="w"> </span><span class="nx">bcrypt</span><span class="w"> </span><span class="kr">from</span><span class="w"> </span><span class="s1">&#39;bcryptjs&#39;</span><span class="p">;</span>
</span><span id="__span-11-2"><a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>
</span><span id="__span-11-3"><a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="c1">// Registration</span>
</span><span id="__span-11-4"><a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="kd">const</span><span class="w"> </span><span class="nx">hashedPassword</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">bcrypt</span><span class="p">.</span><span class="nx">hash</span><span class="p">(</span><span class="nx">password</span><span class="p">,</span><span class="w"> </span><span class="mf">10</span><span class="p">);</span><span class="w"> </span><span class="c1">// 10 rounds</span>
</span><span id="__span-11-5"><a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="k">await</span><span class="w"> </span><span class="nx">prisma</span><span class="p">.</span><span class="nx">user</span><span class="p">.</span><span class="nx">create</span><span class="p">({</span>
</span><span id="__span-11-6"><a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a><span class="w"> </span><span class="nx">data</span><span class="o">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nx">email</span><span class="p">,</span><span class="w"> </span><span class="nx">password</span><span class="o">:</span><span class="w"> </span><span class="kt">hashedPassword</span><span class="p">,</span><span class="w"> </span><span class="nx">name</span><span class="p">,</span><span class="w"> </span><span class="nx">role</span><span class="o">:</span><span class="w"> </span><span class="s1">&#39;USER&#39;</span><span class="w"> </span><span class="p">}</span>
</span><span id="__span-11-7"><a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="p">});</span>
</span><span id="__span-11-8"><a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a>
</span><span id="__span-11-9"><a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a><span class="c1">// Login</span>
</span><span id="__span-11-10"><a id="__codelineno-11-10" name="__codelineno-11-10" href="#__codelineno-11-10"></a><span class="kd">const</span><span class="w"> </span><span class="nx">isValid</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">await</span><span class="w"> </span><span class="nx">bcrypt</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="nx">password</span><span class="p">,</span><span class="w"> </span><span class="nx">user</span><span class="p">.</span><span class="nx">password</span><span class="p">);</span>
</span></code></pre></div>
<p><strong>Rounds:</strong> 10 (balanced between security and performance)</p>
<h3 id="3-refresh-token-rotation">3. Refresh Token Rotation<a class="headerlink" href="#3-refresh-token-rotation" title="Permanent link">&para;</a></h3>
<p><strong>Prevents replay attacks:</strong></p>
<ul>
<li>Old refresh token deleted immediately after use (atomic transaction)</li>
<li>New refresh token issued with each refresh</li>
<li>If old token reused → 401 error</li>
</ul>
<h3 id="4-token-expiration">4. Token Expiration<a class="headerlink" href="#4-token-expiration" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>Token Type</th>
<th>Lifetime</th>
<th>Storage</th>
<th>Purpose</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Access</strong></td>
<td>15 minutes</td>
<td>Not stored (JWT only)</td>
<td>API authentication</td>
</tr>
<tr>
<td><strong>Refresh</strong></td>
<td>7 days</td>
<td>Database + localStorage</td>
<td>Token renewal</td>
</tr>
</tbody>
</table>
<p><strong>Short access token lifetime</strong> limits damage if token is stolen.</p>
<h3 id="5-redis-authentication">5. Redis Authentication<a class="headerlink" href="#5-redis-authentication" title="Permanent link">&para;</a></h3>
<p>Redis requires password authentication:</p>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-12-1"><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="c1"># .env</span>
</span><span id="__span-12-2"><a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a><span class="nv">REDIS_PASSWORD</span><span class="o">=</span>strong_password_here
</span><span id="__span-12-3"><a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>
</span><span id="__span-12-4"><a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a><span class="c1"># Redis connection</span>
</span><span id="__span-12-5"><a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a><span class="nv">REDIS_URL</span><span class="o">=</span>redis://:<span class="si">${</span><span class="nv">REDIS_PASSWORD</span><span class="si">}</span>@redis-changemaker:6379
</span></code></pre></div>
<h2 id="troubleshooting">Troubleshooting<a class="headerlink" href="#troubleshooting" title="Permanent link">&para;</a></h2>
<h3 id="login-fails-with-correct-password">Login Fails with Correct Password<a class="headerlink" href="#login-fails-with-correct-password" title="Permanent link">&para;</a></h3>
<p><strong>Cause:</strong> User status not ACTIVE, or TEMP user expired.</p>
<p><strong>Solution:</strong></p>
<div class="language-sql highlight"><pre><span></span><code><span id="__span-13-1"><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="c1">-- Check user status</span>
</span><span id="__span-13-2"><a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="k">SELECT</span><span class="w"> </span><span class="n">email</span><span class="p">,</span><span class="w"> </span><span class="n">status</span><span class="p">,</span><span class="w"> </span><span class="n">expiresAt</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="ss">&quot;User&quot;</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">email</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;user@example.com&#39;</span><span class="p">;</span>
</span><span id="__span-13-3"><a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a>
</span><span id="__span-13-4"><a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a><span class="c1">-- Activate user</span>
</span><span id="__span-13-5"><a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a><span class="k">UPDATE</span><span class="w"> </span><span class="ss">&quot;User&quot;</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="n">status</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;ACTIVE&#39;</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">email</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;user@example.com&#39;</span><span class="p">;</span>
</span></code></pre></div>
<h3 id="token-refresh-fails">Token Refresh Fails<a class="headerlink" href="#token-refresh-fails" title="Permanent link">&para;</a></h3>
<p><strong>Cause:</strong> Refresh token not in database (deleted or expired).</p>
<p><strong>Solution:</strong></p>
<div class="language-sql highlight"><pre><span></span><code><span id="__span-14-1"><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="c1">-- Check if refresh token exists</span>
</span><span id="__span-14-2"><a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="k">SELECT</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="ss">&quot;RefreshToken&quot;</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">token</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;token_here&#39;</span><span class="p">;</span>
</span><span id="__span-14-3"><a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a>
</span><span id="__span-14-4"><a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="c1">-- Delete all expired tokens</span>
</span><span id="__span-14-5"><a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="k">DELETE</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="ss">&quot;RefreshToken&quot;</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="ss">&quot;expiresAt&quot;</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="n">NOW</span><span class="p">();</span>
</span></code></pre></div>
<h3 id="401-on-all-requests">401 on All Requests<a class="headerlink" href="#401-on-all-requests" title="Permanent link">&para;</a></h3>
<p><strong>Cause:</strong> Access token missing, invalid, or expired.</p>
<p><strong>Debug:</strong></p>
<div class="language-bash highlight"><pre><span></span><code><span id="__span-15-1"><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="c1"># Decode JWT (without verifying signature)</span>
</span><span id="__span-15-2"><a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a><span class="nb">echo</span><span class="w"> </span><span class="s2">&quot;eyJhbG...&quot;</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>cut<span class="w"> </span>-d<span class="s1">&#39;.&#39;</span><span class="w"> </span>-f2<span class="w"> </span><span class="p">|</span><span class="w"> </span>base64<span class="w"> </span>-d<span class="w"> </span><span class="p">|</span><span class="w"> </span>jq
</span><span id="__span-15-3"><a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a>
</span><span id="__span-15-4"><a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a><span class="c1"># Check expiration</span>
</span><span id="__span-15-5"><a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a><span class="c1"># Look for &quot;exp&quot; field (Unix timestamp)</span>
</span></code></pre></div>
<h3 id="circular-dependency-authstore-apits">Circular Dependency (auth.store ↔ api.ts)<a class="headerlink" href="#circular-dependency-authstore-apits" title="Permanent link">&para;</a></h3>
<p><strong>Problem:</strong> auth.store imports api.ts, api.ts imports auth.store (circular).</p>
<p><strong>Solution:</strong> Callback registration pattern (already implemented in api.ts lines 34-78).</p>
<h2 id="further-reading">Further Reading<a class="headerlink" href="#further-reading" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="../backend/middleware/rbac.md">RBAC Patterns</a> - Advanced role checks</li>
<li><a href="security.md">Security Model</a> - Comprehensive security audit</li>
<li><a href="database.md">Database Schema</a> - User and RefreshToken models</li>
<li><a href="frontend.md">Frontend State Management</a> - Zustand auth store</li>
<li><a href="../api-reference/auth.md">API Reference: Auth</a> - Complete endpoint docs</li>
</ul>
</article>
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