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<title>class Rack::MethodOverride - rack-2.2.23 Documentation</title>

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  <h3>Parent</h3>

<p class="link">Object
  
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  <h3>Methods</h3>

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    <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>
    
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<main role="main" aria-labelledby="class-Rack::MethodOverride">
  <h1 id="class-Rack::MethodOverride" class="class">
    class Rack::MethodOverride
  </h1>

<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>
          
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<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>

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</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>
          
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<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>

</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-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">&quot;Invalid string for method&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
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</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-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-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">&quot;Invalid or incomplete POST params&quot;</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">&quot;Bad request content body&quot;</span>
<span class="ruby-keyword">end</span></pre>
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