src/eric7/Documentation/Source/eric7.WebBrowser.Network.NetworkUrlInterceptor.html

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<h1>eric7.WebBrowser.Network.NetworkUrlInterceptor</h1>

<p>
Module implementing a class to handle URL requests before they get processed
by QtWebEngine.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>

<table>

<tr>
<td><a href="#NetworkUrlInterceptor">NetworkUrlInterceptor</a></td>
<td>Class implementing an URL request handler.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="NetworkUrlInterceptor" ID="NetworkUrlInterceptor"></a>
<h2>NetworkUrlInterceptor</h2>

<p>
    Class implementing an URL request handler.
</p>
<h3>Derived from</h3>
QWebEngineUrlRequestInterceptor
<h3>Class Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>

<tr>
<td><a href="#NetworkUrlInterceptor.__init__">NetworkUrlInterceptor</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__loadSettings">__loadSettings</a></td>
<td>Private method to load the Network Manager settings.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__potentiallyTrustworthy">__potentiallyTrustworthy</a></td>
<td>Private method to check, if the given URL is potentially trustworthy.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__refererOrigin">__refererOrigin</a></td>
<td>Private method to generate an origin referer header URL.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__sameOrigin">__sameOrigin</a></td>
<td>Private method to test the "same origin" policy.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__setRefererHeader">__setRefererHeader</a></td>
<td>Private method to set the 'Referer' header depending on the configured rule set.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.__trimmedReferer">__trimmedReferer</a></td>
<td>Private method to generate the trimmed referer header URL.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.installUrlInterceptor">installUrlInterceptor</a></td>
<td>Public method to install an URL interceptor.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.interceptRequest">interceptRequest</a></td>
<td>Public method handling an URL request.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.preferencesChanged">preferencesChanged</a></td>
<td>Public slot to handle a change of preferences.</td>
</tr>
<tr>
<td><a href="#NetworkUrlInterceptor.removeUrlInterceptor">removeUrlInterceptor</a></td>
<td>Public method to remove an URL interceptor.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="NetworkUrlInterceptor.__init__" ID="NetworkUrlInterceptor.__init__"></a>
<h4>NetworkUrlInterceptor (Constructor)</h4>
<b>NetworkUrlInterceptor</b>(<i>parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>parent</i> (QObject)</dt>
<dd>
reference to the parent object
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.__loadSettings" ID="NetworkUrlInterceptor.__loadSettings"></a>
<h4>NetworkUrlInterceptor.__loadSettings</h4>
<b>__loadSettings</b>(<i></i>)

<p>
        Private method to load the Network Manager settings.
</p>
<a NAME="NetworkUrlInterceptor.__potentiallyTrustworthy" ID="NetworkUrlInterceptor.__potentiallyTrustworthy"></a>
<h4>NetworkUrlInterceptor.__potentiallyTrustworthy</h4>
<b>__potentiallyTrustworthy</b>(<i>url</i>)

<p>
        Private method to check, if the given URL is potentially trustworthy.
</p>
<dl>

<dt><i>url</i> (QUrl)</dt>
<dd>
URL to be checked
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating a potentially trustworthy URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.__refererOrigin" ID="NetworkUrlInterceptor.__refererOrigin"></a>
<h4>NetworkUrlInterceptor.__refererOrigin</h4>
<b>__refererOrigin</b>(<i>url</i>)

<p>
        Private method to generate an origin referer header URL.
</p>
<dl>

<dt><i>url</i> (QUrl)</dt>
<dd>
URL to generate the header from
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
origin referer header URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
QByteArray or bytes
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.__sameOrigin" ID="NetworkUrlInterceptor.__sameOrigin"></a>
<h4>NetworkUrlInterceptor.__sameOrigin</h4>
<b>__sameOrigin</b>(<i>url1, url2</i>)

<p>
        Private method to test the "same origin" policy.
</p>
<dl>

<dt><i>url1</i> (QUrl)</dt>
<dd>
first URL for the test
</dd>
<dt><i>url2</i> (QUrl)</dt>
<dd>
second URL for the test
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating that both URLs have the same origin
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.__setRefererHeader" ID="NetworkUrlInterceptor.__setRefererHeader"></a>
<h4>NetworkUrlInterceptor.__setRefererHeader</h4>
<b>__setRefererHeader</b>(<i>info</i>)

<p>
        Private method to set the 'Referer' header depending on the configured
        rule set.
</p>
<dl>

<dt><i>info</i> (QWebEngineUrlRequestInfo)</dt>
<dd>
URL request information
</dd>
</dl>
<dl>
<dt><b>See Also:</b></dt>

<dd>
<a href="https://wiki.mozilla.org/Security/Referrer">            Mozilla Referrer</a>
</dd>

<dd>
<a href="https://www.w3.org/TR/referrer-policy/">            W3C Referrer Policy</a>
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.__trimmedReferer" ID="NetworkUrlInterceptor.__trimmedReferer"></a>
<h4>NetworkUrlInterceptor.__trimmedReferer</h4>
<b>__trimmedReferer</b>(<i>url</i>)

<p>
        Private method to generate the trimmed referer header URL.
</p>
<dl>

<dt><i>url</i> (QUrl)</dt>
<dd>
URL to be trimmed as a referer header
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
trimmed referer header URL
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
QByteArray or bytes
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.installUrlInterceptor" ID="NetworkUrlInterceptor.installUrlInterceptor"></a>
<h4>NetworkUrlInterceptor.installUrlInterceptor</h4>
<b>installUrlInterceptor</b>(<i>interceptor</i>)

<p>
        Public method to install an URL interceptor.
</p>
<dl>

<dt><i>interceptor</i> (UrlInterceptor)</dt>
<dd>
URL interceptor to be installed
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.interceptRequest" ID="NetworkUrlInterceptor.interceptRequest"></a>
<h4>NetworkUrlInterceptor.interceptRequest</h4>
<b>interceptRequest</b>(<i>info</i>)

<p>
        Public method handling an URL request.
</p>
<dl>

<dt><i>info</i> (QWebEngineUrlRequestInfo)</dt>
<dd>
URL request information
</dd>
</dl>
<a NAME="NetworkUrlInterceptor.preferencesChanged" ID="NetworkUrlInterceptor.preferencesChanged"></a>
<h4>NetworkUrlInterceptor.preferencesChanged</h4>
<b>preferencesChanged</b>(<i></i>)

<p>
        Public slot to handle a change of preferences.
</p>
<a NAME="NetworkUrlInterceptor.removeUrlInterceptor" ID="NetworkUrlInterceptor.removeUrlInterceptor"></a>
<h4>NetworkUrlInterceptor.removeUrlInterceptor</h4>
<b>removeUrlInterceptor</b>(<i>interceptor</i>)

<p>
        Public method to remove an URL interceptor.
</p>
<dl>

<dt><i>interceptor</i> (UrlInterceptor)</dt>
<dd>
URL interceptor to be removed
</dd>
</dl>
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