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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>class Rack::MethodOverride - rack-2.2.10 Documentation</title> <script type="text/javascript"> var rdoc_rel_prefix = "../"; var index_rel_prefix = "../"; </script> <script src="../js/navigation.js" defer></script> <script src="../js/search.js" defer></script> <script src="../js/search_index.js" defer></script> <script src="../js/searcher.js" defer></script> <script src="../js/darkfish.js" defer></script> <link href="../css/fonts.css" rel="stylesheet"> <link href="../css/rdoc.css" rel="stylesheet"> <body id="top" role="document" class="class"> <nav role="navigation"> <div id="project-navigation"> <div id="home-section" role="region" title="Quick navigation" class="nav-section"> <h2> <a href="../index.html" rel="home">Home</a> </h2> <div id="table-of-contents-navigation"> <a href="../table_of_contents.html#pages">Pages</a> <a href="../table_of_contents.html#classes">Classes</a> <a href="../table_of_contents.html#methods">Methods</a> </div> </div> <div id="search-section" role="search" class="project-section initially-hidden"> <form action="#" method="get" accept-charset="utf-8"> <div id="search-field-wrapper"> <input id="search-field" role="combobox" aria-label="Search" aria-autocomplete="list" aria-controls="search-results" type="text" name="search" placeholder="Search" spellcheck="false" title="Type to search, Up and Down to navigate, Enter to load"> </div> <ul id="search-results" aria-label="Search Results" aria-busy="false" aria-expanded="false" aria-atomic="false" class="initially-hidden"></ul> </form> </div> </div> <div id="class-metadata"> <div id="parent-class-section" class="nav-section"> <h3>Parent</h3> <p class="link">Object </div> <!-- Method Quickref --> <div id="method-list-section" class="nav-section"> <h3>Methods</h3> <ul class="link-list" role="directory"> <li ><a href="#method-c-new">::new</a> <li ><a href="#method-i-allowed_methods">#allowed_methods</a> <li ><a href="#method-i-call">#call</a> <li ><a href="#method-i-method_override">#method_override</a> <li ><a href="#method-i-method_override_param">#method_override_param</a> </ul> </div> </div> </nav> <main role="main" aria-labelledby="class-Rack::MethodOverride"> <h1 id="class-Rack::MethodOverride" class="class"> class Rack::MethodOverride </h1> <section class="description"> </section> <section id="5Buntitled-5D" class="documentation-section"> <section class="constants-list"> <header> <h3>Constants</h3> </header> <dl> <dt id="ALLOWED_METHODS">ALLOWED_METHODS <dd> <dt id="HTTP_METHODS">HTTP_METHODS <dd> <dt id="HTTP_METHOD_OVERRIDE_HEADER">HTTP_METHOD_OVERRIDE_HEADER <dd> <dt id="METHOD_OVERRIDE_PARAM_KEY">METHOD_OVERRIDE_PARAM_KEY <dd> </dl> </section> <section id="public-class-5Buntitled-5D-method-details" class="method-section"> <header> <h3>Public Class Methods</h3> </header> <div id="method-c-new" class="method-detail "> <div class="method-heading"> <span class="method-name">new</span><span class="method-args">(app)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="new-source"> <pre><span class="ruby-comment"># File lib/rack/method_override.rb, line 11</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">app</span>) <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span> <span class="ruby-keyword">end</span></pre> </div> </div> </div> </section> <section id="public-instance-5Buntitled-5D-method-details" class="method-section"> <header> <h3>Public Instance Methods</h3> </header> <div id="method-i-call" class="method-detail "> <div class="method-heading"> <span class="method-name">call</span><span class="method-args">(env)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="call-source"> <pre><span class="ruby-comment"># File lib/rack/method_override.rb, line 15</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">call</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">allowed_methods</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">env</span>[<span class="ruby-constant">REQUEST_METHOD</span>]) <span class="ruby-identifier">method</span> = <span class="ruby-identifier">method_override</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">if</span> <span class="ruby-constant">HTTP_METHODS</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">method</span>) <span class="ruby-identifier">env</span>[<span class="ruby-constant">RACK_METHODOVERRIDE_ORIGINAL_METHOD</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-constant">REQUEST_METHOD</span>] <span class="ruby-identifier">env</span>[<span class="ruby-constant">REQUEST_METHOD</span>] = <span class="ruby-identifier">method</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">end</span> <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">end</span></pre> </div> </div> </div> <div id="method-i-method_override" class="method-detail "> <div class="method-heading"> <span class="method-name">method_override</span><span class="method-args">(env)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="method_override-source"> <pre><span class="ruby-comment"># File lib/rack/method_override.rb, line 27</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">method_override</span>(<span class="ruby-identifier">env</span>) <span class="ruby-identifier">req</span> = <span class="ruby-constant">Request</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">env</span>) <span class="ruby-identifier">method</span> = <span class="ruby-identifier">method_override_param</span>(<span class="ruby-identifier">req</span>) <span class="ruby-operator">||</span> <span class="ruby-identifier">env</span>[<span class="ruby-constant">HTTP_METHOD_OVERRIDE_HEADER</span>] <span class="ruby-keyword">begin</span> <span class="ruby-identifier">method</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">upcase</span> <span class="ruby-keyword">rescue</span> <span class="ruby-constant">ArgumentError</span> <span class="ruby-identifier">env</span>[<span class="ruby-constant">RACK_ERRORS</span>].<span class="ruby-identifier">puts</span> <span class="ruby-string">"Invalid string for method"</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">end</span></pre> </div> </div> </div> </section> <section id="private-instance-5Buntitled-5D-method-details" class="method-section"> <header> <h3>Private Instance Methods</h3> </header> <div id="method-i-allowed_methods" class="method-detail "> <div class="method-heading"> <span class="method-name">allowed_methods</span><span class="method-args">()</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="allowed_methods-source"> <pre><span class="ruby-comment"># File lib/rack/method_override.rb, line 40</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">allowed_methods</span> <span class="ruby-constant">ALLOWED_METHODS</span> <span class="ruby-keyword">end</span></pre> </div> </div> </div> <div id="method-i-method_override_param" class="method-detail "> <div class="method-heading"> <span class="method-name">method_override_param</span><span class="method-args">(req)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="method_override_param-source"> <pre><span class="ruby-comment"># File lib/rack/method_override.rb, line 44</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">method_override_param</span>(<span class="ruby-identifier">req</span>) <span class="ruby-identifier">req</span>.<span class="ruby-constant">POST</span>[<span class="ruby-constant">METHOD_OVERRIDE_PARAM_KEY</span>] <span class="ruby-keyword">rescue</span> <span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">InvalidParameterError</span>, <span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">ParameterTypeError</span>, <span class="ruby-constant">QueryParser</span><span class="ruby-operator">::</span><span class="ruby-constant">ParamsTooDeepError</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">get_header</span>(<span class="ruby-constant">RACK_ERRORS</span>).<span class="ruby-identifier">puts</span> <span class="ruby-string">"Invalid or incomplete POST params"</span> <span class="ruby-keyword">rescue</span> <span class="ruby-constant">EOFError</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">get_header</span>(<span class="ruby-constant">RACK_ERRORS</span>).<span class="ruby-identifier">puts</span> <span class="ruby-string">"Bad request content body"</span> <span class="ruby-keyword">end</span></pre> </div> </div> </div> </section> </section> </main> <footer id="validator-badges" role="contentinfo"> <p><a href="https://validator.w3.org/check/referer">Validate</a> <p>Generated by <a href="https://ruby.github.io/rdoc/">RDoc</a> 6.2.1.1. <p>Based on <a href="http://deveiate.org/projects/Darkfish-RDoc/">Darkfish</a> by <a href="http://deveiate.org">Michael Granger</a>. </footer>