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<title>JSDoc: Class: Request</title>
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<h1 class="page-title">Class: Request</h1>
<section>
<header>
<h2><span class="attribs"><span class="type-signature"></span></span>
<span class="ancestors"><a href="LuCI.html">LuCI</a>.</span>Request</h2>
<div class="class-description"><p>The <code>Request</code> class allows initiating HTTP requests and provides utilities
for dealing with responses.</p></div>
</header>
<article>
<div class="container-overview">
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line569">line 569</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Classes</h3>
<dl>
<dt><a href="LuCI.Request.poll.html">poll</a></dt>
<dd></dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="addInterceptor"><span class="type-signature"></span>addInterceptor<span class="signature">(interceptorFn)</span><span class="type-signature"> → {<a href="LuCI.Request.html#.interceptorFn">LuCI.Request.interceptorFn</a>}</span></h4>
<div class="description">
<p>Register an HTTP response interceptor function. Interceptor
functions are useful to perform default actions on incoming HTTP
responses, such as checking for expired authentication or for
implementing request retries before returning a failure.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>interceptorFn</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Request.html#.interceptorFn">LuCI.Request.interceptorFn</a></span>
</td>
<td class="description last"><p>The interceptor function to register.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line844">line 844</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The registered function.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="LuCI.Request.html#.interceptorFn">LuCI.Request.interceptorFn</a></span>
</dd>
</dl>
<h4 class="name" id="expandURL"><span class="type-signature"></span>expandURL<span class="signature">(url)</span><span class="type-signature"> → {string}</span></h4>
<div class="description">
<p>Turn the given relative URL into an absolute URL if necessary.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>url</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last"><p>The URL to convert.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line586">line 586</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The absolute URL derived from the given one, or the original URL
if it already was absolute.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">string</span>
</dd>
</dl>
<h4 class="name" id="get"><span class="type-signature"></span>get<span class="signature">(target, options<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Promise.<<a href="LuCI.Response.html">LuCI.Response</a>>}</span></h4>
<div class="description">
<p>Initiate an HTTP GET request to the given target.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>target</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The URL to request.</p></td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Request.html#.RequestOptions">LuCI.Request.RequestOptions</a></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last"><p>Additional options to configure the request.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line797">line 797</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The resulting HTTP response.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<<a href="LuCI.Response.html">LuCI.Response</a>></span>
</dd>
</dl>
<h4 class="name" id="post"><span class="type-signature"></span>post<span class="signature">(target, data<span class="signature-attributes">opt</span>, options<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Promise.<<a href="LuCI.Response.html">LuCI.Response</a>>}</span></h4>
<div class="description">
<p>Initiate an HTTP POST request to the given target.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>target</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The URL to request.</p></td>
</tr>
<tr>
<td class="name"><code>data</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last"><p>The request data to send, see <a href="LuCI.Request.html#.RequestOptions"><code>LuCI.Request.RequestOptions</code></a> for details.</p></td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Request.html#.RequestOptions">LuCI.Request.RequestOptions</a></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last"><p>Additional options to configure the request.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line818">line 818</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The resulting HTTP response.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<<a href="LuCI.Response.html">LuCI.Response</a>></span>
</dd>
</dl>
<h4 class="name" id="removeInterceptor"><span class="type-signature"></span>removeInterceptor<span class="signature">(interceptorFn)</span><span class="type-signature"> → {boolean}</span></h4>
<div class="description">
<p>Remove an HTTP response interceptor function. The passed function
value must be the very same value that was used to register the
function.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>interceptorFn</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Request.html#.interceptorFn">LuCI.Request.interceptorFn</a></span>
</td>
<td class="description last"><p>The interceptor function to remove.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line863">line 863</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Returns <code>true</code> if any function has been removed, else <code>false</code>.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
<h4 class="name" id="request"><span class="type-signature"></span>request<span class="signature">(target, options<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Promise.<<a href="LuCI.Response.html">LuCI.Response</a>>}</span></h4>
<div class="description">
<p>Initiate an HTTP request to the given target.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>target</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The URL to request.</p></td>
</tr>
<tr>
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Request.html#.RequestOptions">LuCI.Request.RequestOptions</a></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last"><p>Additional options to configure the request.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line648">line 648</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The resulting HTTP response.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Promise.<<a href="LuCI.Response.html">LuCI.Response</a>></span>
</dd>
</dl>
<h3 class="subsection-title">Type Definitions</h3>
<h4 class="name" id=".interceptorFn"><span class="type-signature"></span>interceptorFn<span class="signature">(res)</span><span class="type-signature"></span></h4>
<div class="description">
<p>Interceptor functions are invoked whenever an HTTP reply is received, in the order
these functions have been registered.</p>
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>res</code></td>
<td class="type">
<span class="param-type"><a href="LuCI.Response.html">LuCI.Response</a></span>
</td>
<td class="description last"><p>The HTTP response object</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line822">line 822</a>
</li></ul></dd>
</dl>
<h4 class="name" id=".RequestOptions">RequestOptions</h4>
<h5>Type:</h5>
<ul>
<li>
<span class="param-type">Object</span>
</li>
</ul>
<h5 class="subsection-title">Properties:</h5>
<table class="props">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>method</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
GET
</td>
<td class="description last"><p>The HTTP method to use, e.g. <code>GET</code> or <code>POST</code>.</p></td>
</tr>
<tr>
<td class="name"><code>query</code></td>
<td class="type">
<span class="param-type">Object.<string, (Object|string)></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Query string data to append to the URL. Non-string values of the
given object will be converted to JSON.</p></td>
</tr>
<tr>
<td class="name"><code>cache</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>Specifies whether the HTTP response may be retrieved from cache.</p></td>
</tr>
<tr>
<td class="name"><code>username</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Provides a username for HTTP basic authentication.</p></td>
</tr>
<tr>
<td class="name"><code>password</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Provides a password for HTTP basic authentication.</p></td>
</tr>
<tr>
<td class="name"><code>timeout</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Specifies the request timeout in seconds.</p></td>
</tr>
<tr>
<td class="name"><code>credentials</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
false
</td>
<td class="description last"><p>Whether to include credentials such as cookies in the request.</p></td>
</tr>
<tr>
<td class="name"><code>content</code></td>
<td class="type">
<span class="param-type">*</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Specifies the HTTP message body to send along with the request.
If the value is a function, it is invoked and the return value
used as content, if it is a FormData instance, it is used as-is,
if it is an object, it will be converted to JSON, in all other
cases it is converted to a string.</p></td>
</tr>
<tr>
<td class="name"><code>header</code></td>
<td class="type">
<span class="param-type">Object.<string, string></span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>Specifies HTTP headers to set for the request.</p></td>
</tr>
<tr>
<td class="name"><code>progress</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="default">
</td>
<td class="description last"><p>An optional request callback function which receives ProgressEvent
instances as sole argument during the HTTP request transfer.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="luci.js.html">luci.js</a>, <a href="luci.js.html#line593">line 593</a>
</li></ul></dd>
</dl>
</article>
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