MatrixSynapse/v1.44/development/saml.html

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<ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../turn-howto.html">Configuring a Turn Server</a></li><li class="chapter-item expanded "><a href="../delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a 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href="../development/saml.html" class="active">SAML</a></li><li class="chapter-item expanded "><a href="../development/cas.html">CAS</a></li></ol></li><li class="chapter-item expanded "><a href="../development/room-dag-concepts.html">Room DAG concepts</a></li><li class="chapter-item expanded "><div>State Resolution</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../auth_chain_difference_algorithm.html">The Auth Chain Difference Algorithm</a></li></ol></li><li class="chapter-item expanded "><a href="../media_repository.html">Media Repository</a></li><li class="chapter-item expanded "><a href="../room_and_user_statistics.html">Room and User Statistics</a></li></ol></li><li class="chapter-item expanded "><div>Scripts</div></li><li class="chapter-item expanded affix "><li class="part-title">Other</li><li class="chapter-item expanded "><a href="../deprecation_policy.html">Dependency Deprecation Policy</a></li></ol>
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<h1 id="how-to-test-saml-as-a-developer-without-a-server"><a class="header" href="#how-to-test-saml-as-a-developer-without-a-server">How to test SAML as a developer without a server</a></h1>
<p>https://capriza.github.io/samling/samling.html (https://github.com/capriza/samling) is a great
resource for being able to tinker with the SAML options within Synapse without needing to
deploy and configure a complicated software stack.</p>
<p>To make Synapse (and therefore Riot) use it:</p>
<ol>
<li>Use the samling.html URL above or deploy your own and visit the IdP Metadata tab.</li>
<li>Copy the XML to your clipboard.</li>
<li>On your Synapse server, create a new file <code>samling.xml</code> next to your <code>homeserver.yaml</code> with
the XML from step 2 as the contents.</li>
<li>Edit your <code>homeserver.yaml</code> to include:
<pre><code class="language-yaml">saml2_config:
sp_config:
allow_unknown_attributes: true # Works around a bug with AVA Hashes: https://github.com/IdentityPython/pysaml2/issues/388
metadata:
local: [&quot;samling.xml&quot;]
</code></pre>
</li>
<li>Ensure that your <code>homeserver.yaml</code> has a setting for <code>public_baseurl</code>:
<pre><code class="language-yaml">public_baseurl: http://localhost:8080/
</code></pre>
</li>
<li>Run <code>apt-get install xmlsec1</code> and <code>pip install --upgrade --force 'pysaml2&gt;=4.5.0'</code> to ensure
the dependencies are installed and ready to go.</li>
<li>Restart Synapse.</li>
</ol>
<p>Then in Riot:</p>
<ol>
<li>Visit the login page with a Riot pointing at your homeserver.</li>
<li>Click the Single Sign-On button.</li>
<li>On the samling page, enter a Name Identifier and add a SAML Attribute for <code>uid=your_localpart</code>.
The response must also be signed.</li>
<li>Click &quot;Next&quot;.</li>
<li>Click &quot;Post Response&quot; (change nothing).</li>
<li>You should be logged in.</li>
</ol>
<p>If you try and repeat this process, you may be automatically logged in using the information you
gave previously. To fix this, open your developer console (<code>F12</code> or <code>Ctrl+Shift+I</code>) while on the
samling page and clear the site data. In Chrome, this will be a button on the Application tab.</p>
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