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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<title>saml2.authn_request — OneLogin SAML Python library classes and methods</title>
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<h1>Source code for saml2.authn_request</h1><div class="highlight"><pre>
<span class="c"># -*- coding: utf-8 -*-</span>
<span class="c"># Copyright (c) 2010-2018 OneLogin, Inc.</span>
<span class="c"># MIT License</span>
<span class="kn">from</span> <span class="nn">base64</span> <span class="kn">import</span> <span class="n">b64encode</span>
<span class="kn">from</span> <span class="nn">datetime</span> <span class="kn">import</span> <span class="n">datetime</span>
<span class="kn">from</span> <span class="nn">zlib</span> <span class="kn">import</span> <span class="n">compress</span>
<span class="kn">from</span> <span class="nn">saml2.utils</span> <span class="kn">import</span> <span class="n">OneLogin_Saml2_Utils</span>
<span class="kn">from</span> <span class="nn">saml2.constants</span> <span class="kn">import</span> <span class="n">OneLogin_Saml2_Constants</span>
<div class="viewcode-block" id="OneLogin_Saml2_Authn_Request"><a class="viewcode-back" href="../../saml2.html#saml2.authn_request.OneLogin_Saml2_Authn_Request">[docs]</a><span class="k">class</span> <span class="nc">OneLogin_Saml2_Authn_Request</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">settings</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Constructs the AuthnRequest object.</span>
<span class="sd"> Arguments are:</span>
<span class="sd"> * (OneLogin_Saml2_Settings) settings. Setting data</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__settings</span> <span class="o">=</span> <span class="n">settings</span>
<span class="n">sp_data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">__settings</span><span class="o">.</span><span class="n">get_sp_data</span><span class="p">()</span>
<span class="n">security</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">__settings</span><span class="o">.</span><span class="n">get_security_data</span><span class="p">()</span>
<span class="n">uid</span> <span class="o">=</span> <span class="n">OneLogin_Saml2_Utils</span><span class="o">.</span><span class="n">generate_unique_id</span><span class="p">()</span>
<span class="n">issue_instant</span> <span class="o">=</span> <span class="n">OneLogin_Saml2_Utils</span><span class="o">.</span><span class="n">parse_time_to_SAML</span><span class="p">(</span>
<span class="nb">int</span><span class="p">(</span><span class="n">datetime</span><span class="o">.</span><span class="n">now</span><span class="p">()</span><span class="o">.</span><span class="n">strftime</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s">"</span><span class="p">))</span>
<span class="p">)</span>
<span class="n">name_id_policy_format</span> <span class="o">=</span> <span class="n">sp_data</span><span class="p">[</span><span class="s">'NameIDFormat'</span><span class="p">]</span>
<span class="k">if</span> <span class="s">'wantNameIdEncrypted'</span> <span class="ow">in</span> <span class="n">security</span> <span class="ow">and</span> <span class="n">security</span><span class="p">[</span><span class="s">'wantNameIdEncrypted'</span><span class="p">]:</span>
<span class="n">name_id_policy_format</span> <span class="o">=</span> <span class="n">OneLogin_Saml2_Constants</span><span class="o">.</span><span class="n">NAMEID_ENCRYPTED</span>
<span class="n">provider_name_str</span> <span class="o">=</span> <span class="s">''</span>
<span class="n">organization_data</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">get_organization</span><span class="p">()</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">organization_data</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
<span class="n">langs</span> <span class="o">=</span> <span class="n">organization_data</span><span class="o">.</span><span class="n">keys</span><span class="p">()</span>
<span class="k">if</span> <span class="s">'en-US'</span> <span class="ow">in</span> <span class="n">langs</span><span class="p">:</span>
<span class="n">lang</span> <span class="o">=</span> <span class="s">'en-US'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">lang</span> <span class="o">=</span> <span class="n">langs</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="s">'displayname'</span> <span class="ow">in</span> <span class="n">organization_data</span><span class="p">[</span><span class="n">lang</span><span class="p">]</span> <span class="ow">and</span> <span class="n">organization_data</span><span class="p">[</span><span class="n">lang</span><span class="p">][</span><span class="s">'displayname'</span><span class="p">]</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">provider_name_str</span> <span class="o">=</span> <span class="s">'ProviderName="</span><span class="si">%s</span><span class="s">"'</span> <span class="o">%</span> <span class="n">organization_data</span><span class="p">[</span><span class="n">lang</span><span class="p">][</span><span class="s">'displayname'</span><span class="p">]</span>
<span class="n">request</span> <span class="o">=</span> <span class="s">"""<samlp:AuthnRequest</span>
<span class="s"> xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"</span>
<span class="s"> xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"</span>
<span class="s"> ID="</span><span class="si">%(id)s</span><span class="s">"</span>
<span class="s"> Version="2.0"</span>
<span class="s"> </span><span class="si">%(provider_name)s</span><span class="s"></span>
<span class="s"> IssueInstant="</span><span class="si">%(issue_instant)s</span><span class="s">"</span>
<span class="s"> ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"</span>
<span class="s"> AssertionConsumerServiceURL="</span><span class="si">%(assertion_url)s</span><span class="s">"></span>
<span class="s"> <saml:Issuer></span><span class="si">%(entity_id)s</span><span class="s"></saml:Issuer></span>
<span class="s"> <samlp:NameIDPolicy</span>
<span class="s"> Format="</span><span class="si">%(name_id_policy)s</span><span class="s">"</span>
<span class="s"> AllowCreate="true" /></span>
<span class="s"> <samlp:RequestedAuthnContext Comparison="exact"></span>
<span class="s"> <saml:AuthnContextMethodRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml:AuthnContextMethodRef></span>
<span class="s"> </samlp:RequestedAuthnContext></span>
<span class="s"></samlp:AuthnRequest>"""</span> <span class="o">%</span> <span class="p">{</span>
<span class="s">'id'</span><span class="p">:</span> <span class="n">uid</span><span class="p">,</span>
<span class="s">'provider_name'</span><span class="p">:</span> <span class="n">provider_name_str</span><span class="p">,</span>
<span class="s">'issue_instant'</span><span class="p">:</span> <span class="n">issue_instant</span><span class="p">,</span>
<span class="s">'assertion_url'</span><span class="p">:</span> <span class="n">sp_data</span><span class="p">[</span><span class="s">'assertionConsumerService'</span><span class="p">][</span><span class="s">'url'</span><span class="p">],</span>
<span class="s">'entity_id'</span><span class="p">:</span> <span class="n">sp_data</span><span class="p">[</span><span class="s">'entityId'</span><span class="p">],</span>
<span class="s">'name_id_policy'</span><span class="p">:</span> <span class="n">name_id_policy_format</span><span class="p">,</span>
<span class="p">}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__authn_request</span> <span class="o">=</span> <span class="n">request</span>
<div class="viewcode-block" id="OneLogin_Saml2_Authn_Request.get_request"><a class="viewcode-back" href="../../saml2.html#saml2.authn_request.OneLogin_Saml2_Authn_Request.get_request">[docs]</a> <span class="k">def</span> <span class="nf">get_request</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns unsigned AuthnRequest.</span>
<span class="sd"> :return: Unsigned AuthnRequest</span>
<span class="sd"> :rtype: str object</span>
<span class="sd"> """</span>
<span class="n">deflated_request</span> <span class="o">=</span> <span class="n">compress</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">__authn_request</span><span class="p">)[</span><span class="mi">2</span><span class="p">:</span><span class="o">-</span><span class="mi">4</span><span class="p">]</span>
<span class="k">return</span> <span class="n">b64encode</span><span class="p">(</span><span class="n">deflated_request</span><span class="p">)</span></div></div>
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