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<div class="section" id="module-paste.proxy">
<span id="paste-proxy-proxy-wsgi-requests-to-http-requests"></span><h1><a class="reference internal" href="#module-paste.proxy" title="paste.proxy"><code class="xref py py-mod docutils literal"><span class="pre">paste.proxy</span></code></a> – Proxy WSGI requests to HTTP requests<a class="headerlink" href="#module-paste.proxy" title="Permalink to this headline">¶</a></h1>
<p>An application that proxies WSGI requests to a remote server.</p>
<p>TODO:</p>
<ul>
<li><p class="first">Send <code class="docutils literal"><span class="pre">Via</span></code> header? It’s not clear to me this is a Via in the
style of a typical proxy.</p>
</li>
<li><p class="first">Other headers or metadata? I put in X-Forwarded-For, but that’s it.</p>
</li>
<li><p class="first">Signed data of non-HTTP keys? This would be for things like
REMOTE_USER.</p>
</li>
<li><p class="first">Something to indicate what the original URL was? The original host,
scheme, and base path.</p>
</li>
<li><p class="first">Rewriting <code class="docutils literal"><span class="pre">Location</span></code> headers? mod_proxy does this.</p>
</li>
<li><p class="first">Rewriting body? (Probably not on this one – that can be done with
a different middleware that wraps this middleware)</p>
</li>
<li><p class="first">Example:</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">use</span> <span class="o">=</span> <span class="n">egg</span><span class="p">:</span><span class="n">Paste</span><span class="c1">#proxy</span>
<span class="n">address</span> <span class="o">=</span> <span class="n">http</span><span class="p">:</span><span class="o">//</span><span class="n">server3</span><span class="p">:</span><span class="mi">8680</span><span class="o">/</span><span class="n">exist</span><span class="o">/</span><span class="n">rest</span><span class="o">/</span><span class="n">db</span><span class="o">/</span><span class="n">orgs</span><span class="o">/</span><span class="n">sch</span><span class="o">/</span><span class="n">config</span><span class="o">/</span>
<span class="n">allowed_request_methods</span> <span class="o">=</span> <span class="n">GET</span>
</pre></div>
</div>
</li>
</ul>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="paste.proxy.Proxy">
<em class="property">class </em><code class="descclassname">paste.proxy.</code><code class="descname">Proxy</code><span class="sig-paren">(</span><em>address</em>, <em>allowed_request_methods=()</em>, <em>suppress_http_headers=()</em><span class="sig-paren">)</span><a class="headerlink" href="#paste.proxy.Proxy" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="paste.proxy.make_proxy">
<code class="descclassname">paste.proxy.</code><code class="descname">make_proxy</code><span class="sig-paren">(</span><em>global_conf</em>, <em>address</em>, <em>allowed_request_methods=''</em>, <em>suppress_http_headers=''</em><span class="sig-paren">)</span><a class="headerlink" href="#paste.proxy.make_proxy" title="Permalink to this definition">¶</a></dt>
<dd><p>Make a WSGI application that proxies to another address:</p>
<dl class="docutils">
<dt><code class="docutils literal"><span class="pre">address</span></code></dt>
<dd>the full URL ending with a trailing <code class="docutils literal"><span class="pre">/</span></code></dd>
<dt><code class="docutils literal"><span class="pre">allowed_request_methods</span></code>:</dt>
<dd>a space seperated list of request methods (e.g., <code class="docutils literal"><span class="pre">GET</span> <span class="pre">POST</span></code>)</dd>
<dt><code class="docutils literal"><span class="pre">suppress_http_headers</span></code></dt>
<dd>a space seperated list of http headers (lower case, without
the leading <code class="docutils literal"><span class="pre">http_</span></code>) that should not be passed on to target
host</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="paste.proxy.TransparentProxy">
<em class="property">class </em><code class="descclassname">paste.proxy.</code><code class="descname">TransparentProxy</code><span class="sig-paren">(</span><em>force_host=None</em>, <em>force_scheme='http'</em><span class="sig-paren">)</span><a class="headerlink" href="#paste.proxy.TransparentProxy" title="Permalink to this definition">¶</a></dt>
<dd><p>A proxy that sends the request just as it was given, including
respecting HTTP_HOST, wsgi.url_scheme, etc.</p>
<p>This is a way of translating WSGI requests directly to real HTTP
requests. All information goes in the environment; modify it to
modify the way the request is made.</p>
<p>If you specify <code class="docutils literal"><span class="pre">force_host</span></code> (and optionally <code class="docutils literal"><span class="pre">force_scheme</span></code>)
then HTTP_HOST won’t be used to determine where to connect to;
instead a specific host will be connected to, but the <code class="docutils literal"><span class="pre">Host</span></code>
header in the request will remain intact.</p>
</dd></dl>
<dl class="function">
<dt id="paste.proxy.make_transparent_proxy">
<code class="descclassname">paste.proxy.</code><code class="descname">make_transparent_proxy</code><span class="sig-paren">(</span><em>global_conf</em>, <em>force_host=None</em>, <em>force_scheme='http'</em><span class="sig-paren">)</span><a class="headerlink" href="#paste.proxy.make_transparent_proxy" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a proxy that connects to a specific host, but does
absolutely no other filtering, including the Host header.</p>
</dd></dl>
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<h3><a href="../index.html">Table Of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#"><code class="docutils literal"><span class="pre">paste.proxy</span></code> – Proxy WSGI requests to HTTP requests</a><ul>
<li><a class="reference internal" href="#module-contents">Module Contents</a></li>
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