cic-staff-client/docs/compodoc/guards/AuthGuard.html

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<ol class="breadcrumb">
<li>Guards</li>
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<li >AuthGuard</li>
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<h3>File</h3>
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<p class="comment">
<code>src/app/_guards/auth.guard.ts</code>
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<p class="comment">
<h3>Description</h3>
</p>
<p class="comment">
<p>Auth guard implementation.
Dictates access to routes depending on the authentication status.</p>
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</p>
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<section>
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
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<td class="col-md-4">
<h6><b>Methods</b></h6>
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<ul class="index-list">
<li>
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<a href="#canActivate" >canActivate</a>
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</li>
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<h3 id="constructor">Constructor</h3>
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<code>constructor(router: <a href="https://angular.io/api/router/Router" target="_blank">Router</a>)</code>
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<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="21" class="link-to-prism">src/app/_guards/auth.guard.ts:21</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description"><p>Instantiates the auth guard class.</p>
</div>
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<div>
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
<td>Description</td>
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</tr>
</thead>
<tbody>
<tr>
<td>router</td>
<td>
<code><a href="https://angular.io/api/router/Router" target="_blank" >Router</a></code>
</td>
<td>
No
</td>
<td>
<code><ul>
<li>A service that provides navigation among views and URL manipulation capabilities.</li>
</ul>
</code>
</td>
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</tr>
</tbody>
</table>
</div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="methods">
Methods
</h3>
<table class="table table-sm table-bordered">
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<tr>
<td class="col-md-4">
<a name="canActivate"></a>
<span class="name">
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<span ><b>canActivate</b></span>
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<a href="#canActivate"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>canActivate(route: <a href="https://angular.io/api/router/ActivatedRouteSnapshot" target="_blank">ActivatedRouteSnapshot</a>, state: <a href="https://angular.io/api/router/RouterStateSnapshot" target="_blank">RouterStateSnapshot</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="38"
class="link-to-prism">src/app/_guards/auth.guard.ts:38</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description"><p>Returns whether navigation to a specific route is acceptable.
Checks if the user has uploaded a private key.</p>
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<p>ActivatedRouteSnapshot can also be used to traverse the router state tree.</p>
</div>
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<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
<td>Description</td>
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</tr>
</thead>
<tbody>
<tr>
<td>route</td>
<td>
<code><a href="https://angular.io/api/router/ActivatedRouteSnapshot" target="_blank" >ActivatedRouteSnapshot</a></code>
</td>
<td>
No
</td>
<td>
<ul>
<li>Contains the information about a route associated with a component loaded in an outlet at a particular moment in time.
ActivatedRouteSnapshot can also be used to traverse the router state tree.</li>
</ul>
</td>
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</tr>
<tr>
<td>state</td>
<td>
<code><a href="https://angular.io/api/router/RouterStateSnapshot" target="_blank" >RouterStateSnapshot</a></code>
</td>
<td>
No
</td>
<td>
<ul>
<li>Represents the state of the router at a moment in time.</li>
</ul>
</td>
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</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code>Observable | Promise | boolean | UrlTree</code>
</div>
<div class="io-description">
<p>true - If there is an active private key in the user&#39;s localStorage.</p>
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</div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
<div class="tab-pane fade tab-source-code" id="c-source">
<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable } from &#x27;@angular/core&#x27;;
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import {
ActivatedRouteSnapshot,
CanActivate,
Router,
RouterStateSnapshot,
UrlTree,
} from &#x27;@angular/router&#x27;;
// Third party imports
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import { Observable } from &#x27;rxjs&#x27;;
/**
* Auth guard implementation.
* Dictates access to routes depending on the authentication status.
*/
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@Injectable({
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providedIn: &#x27;root&#x27;,
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})
export class AuthGuard implements CanActivate {
/**
* Instantiates the auth guard class.
*
* @param router - A service that provides navigation among views and URL manipulation capabilities.
*/
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constructor(private router: Router) {}
/**
* Returns whether navigation to a specific route is acceptable.
* Checks if the user has uploaded a private key.
*
* @param route - Contains the information about a route associated with a component loaded in an outlet at a particular moment in time.
* ActivatedRouteSnapshot can also be used to traverse the router state tree.
* @param state - Represents the state of the router at a moment in time.
* @returns true - If there is an active private key in the user&#x27;s localStorage.
*/
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canActivate(
route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
): Observable&lt;boolean | UrlTree&gt; | Promise&lt;boolean | UrlTree&gt; | boolean | UrlTree {
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if (sessionStorage.getItem(btoa(&#x27;CICADA_SESSION_TOKEN&#x27;))) {
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return true;
}
this.router.navigate([&#x27;/auth&#x27;]);
return false;
}
}
</code></pre>
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