361 lines
14 KiB
HTML
361 lines
14 KiB
HTML
<!doctype html>
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<title>hometask documentation</title>
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<ol class="breadcrumb">
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<li>Guards</li>
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<li >RolesGuard</li>
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<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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<div class="tab-pane fade active in" id="c-info">
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<p class="comment">
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<h3>File</h3>
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</p>
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<p class="comment">
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<code>src/core/guards/roles.guard.ts</code>
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</p>
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<p class="comment">
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<h3>Description</h3>
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</p>
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<p class="comment">
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<p>roles guard</p>
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</p>
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<section>
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<h3 id="index">Index</h3>
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<table class="table table-sm table-bordered index-table">
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<tbody>
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<tr>
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<td class="col-md-4">
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<h6><b>Methods</b></h6>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<ul class="index-list">
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<li>
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<a href="#canActivate" >canActivate</a>
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</li>
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</ul>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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<section>
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<h3 id="constructor">Constructor</h3>
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<table class="table table-sm table-bordered">
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<tbody>
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<tr>
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<td class="col-md-4">
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<code>constructor(reflector: Reflector)</code>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="9" class="link-to-prism">src/core/guards/roles.guard.ts:9</a></div>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-description"><p>contructs the role guard service</p>
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</div>
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<div>
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<b>Parameters :</b>
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<table class="params">
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<thead>
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<tr>
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<td>Name</td>
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<td>Type</td>
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<td>Optional</td>
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<td>Description</td>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>reflector</td>
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<td>
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<code>Reflector</code>
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</td>
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<td>
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No
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</td>
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<td>
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<p>reflector of the guard</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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<section>
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<h3 id="methods">
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Methods
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</h3>
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<table class="table table-sm table-bordered">
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<tbody>
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<tr>
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<td class="col-md-4">
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<a name="canActivate"></a>
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<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>
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</span>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<code>canActivate(context: ExecutionContext)</code>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="23"
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class="link-to-prism">src/core/guards/roles.guard.ts:23</a></div>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-description"><p>checks if the user has allowed permission (role)</p>
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</div>
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<div class="io-description">
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<b>Parameters :</b>
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<table class="params">
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<thead>
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<tr>
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<td>Name</td>
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<td>Type</td>
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<td>Optional</td>
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<td>Description</td>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>context</td>
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<td>
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<code>ExecutionContext</code>
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</td>
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<td>
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No
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</td>
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<td>
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<p>context of the guard (actual information)</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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</div>
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<div class="io-description">
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<b>Returns : </b> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
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</div>
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<div class="io-description">
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<p>returns true if the user has appropriate role</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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</div>
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<div class="tab-pane fade tab-source-code" id="c-source">
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
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import { Reflector } from '@nestjs/core';
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import { Roles as Role } from '..//domain/enums';
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import { ROLES_KEY } from '../decorators';
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/**
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* roles guard
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*/
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@Injectable()
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export class RolesGuard implements CanActivate {
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//==================================================================================================
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/**
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* contructs the role guard service
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* @param reflector reflector of the guard
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*/
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constructor(private reflector: Reflector) {}
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//==================================================================================================
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/**
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* checks if the user has allowed permission (role)
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* @param context context of the guard (actual information)
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* @returns returns true if the user has appropriate role
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*/
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canActivate(context: ExecutionContext): boolean {
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const requiredRoles = this.reflector.getAllAndOverride<Role[]>(ROLES_KEY, [
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context.getHandler(),
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context.getClass(),
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]);
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if (!requiredRoles) {
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return true;
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}
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const { user } = context.switchToHttp().getRequest();
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return user.roles.some((role: Role) => requiredRoles.includes(role));
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}
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//==================================================================================================
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}
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</code></pre>
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</div>
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</div>
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</div><div class="search-results">
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var COMPODOC_CURRENT_PAGE_DEPTH = 1;
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var COMPODOC_CURRENT_PAGE_CONTEXT = 'guard';
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