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  <h3>Parent</h3>

  
  <p class="link"><a href="../AbstractHandler.html">Rack::Auth::AbstractHandler</a>
  
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    <li class="calls-super" ><a href="#method-c-new">::new</a>
    
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    <li ><a href="#method-i-A2">#A2</a>
    
    <li ><a href="#method-i-H">#H</a>
    
    <li ><a href="#method-i-KD">#KD</a>
    
    <li ><a href="#method-i-call">#call</a>
    
    <li ><a href="#method-i-challenge">#challenge</a>
    
    <li ><a href="#method-i-digest">#digest</a>
    
    <li ><a href="#method-i-md5">#md5</a>
    
    <li ><a href="#method-i-params">#params</a>
    
    <li ><a href="#method-i-passwords_hashed-3F">#passwords_hashed?</a>
    
    <li ><a href="#method-i-valid-3F">#valid?</a>
    
    <li ><a href="#method-i-valid_digest-3F">#valid_digest?</a>
    
    <li ><a href="#method-i-valid_nonce-3F">#valid_nonce?</a>
    
    <li ><a href="#method-i-valid_opaque-3F">#valid_opaque?</a>
    
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<main role="main" aria-labelledby="class-Rack::Auth::Digest::MD5">
  <h1 id="class-Rack::Auth::Digest::MD5" class="class">
    class Rack::Auth::Digest::MD5
  </h1>

  <section class="description">
    
<p><a href="MD5.html"><code>Rack::Auth::Digest::MD5</code></a> implements the <a href="MD5.html"><code>MD5</code></a> algorithm version of HTTP <a href="../Digest.html"><code>Digest</code></a> Authentication, as per RFC 2617.</p>

<p>Initialize with the [Rack] application that you want protecting, and a block that looks up a plaintext password for a given username.</p>

<p><code>opaque</code> needs to be set to a constant base64/hexadecimal string.</p>

  </section>

  
  <section id="5Buntitled-5D" class="documentation-section">
    

    

    
    <section class="constants-list">
      <header>
        <h3>Constants</h3>
      </header>
      <dl>
      
        <dt id="QOP">QOP
        
        <dd>
        
      
      </dl>
    </section>
    

    
    <section class="attribute-method-details" class="method-section">
      <header>
        <h3>Attributes</h3>
      </header>

      
      <div id="attribute-i-opaque" class="method-detail">
        <div class="method-heading attribute-method-heading">
          <span class="method-name">opaque</span><span
            class="attribute-access-type">[RW]</span>
        </div>

        <div class="method-description">
        
        
        
        </div>
      </div>
      
      <div id="attribute-i-passwords_hashed" class="method-detail">
        <div class="method-heading attribute-method-heading">
          <span class="method-name">passwords_hashed</span><span
            class="attribute-access-type">[W]</span>
        </div>

        <div class="method-description">
        
        
        
        </div>
      </div>
      
    </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, realm = nil, opaque = nil, &amp;authenticator)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          
            <div class="method-calls-super">
              Calls superclass method
              <a href="../AbstractHandler.html#method-c-new"><code>Rack::Auth::AbstractHandler::new</code></a>
            </div>
          

          
          <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 26</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">app</span>, <span class="ruby-identifier">realm</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">opaque</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&amp;</span><span class="ruby-identifier">authenticator</span>)
  <span class="ruby-ivar">@passwords_hashed</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">opaque</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword">and</span> <span class="ruby-identifier">realm</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-value">:values_at</span>
    <span class="ruby-identifier">realm</span>, <span class="ruby-identifier">opaque</span>, <span class="ruby-ivar">@passwords_hashed</span> = <span class="ruby-identifier">realm</span>.<span class="ruby-identifier">values_at</span> <span class="ruby-value">:realm</span>, <span class="ruby-value">:opaque</span>, <span class="ruby-value">:passwords_hashed</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">super</span>(<span class="ruby-identifier">app</span>, <span class="ruby-identifier">realm</span>, <span class="ruby-operator">&amp;</span><span class="ruby-identifier">authenticator</span>)
  <span class="ruby-ivar">@opaque</span> = <span class="ruby-identifier">opaque</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/auth/digest/md5.rb, line 39</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">call</span>(<span class="ruby-identifier">env</span>)
  <span class="ruby-identifier">auth</span> = <span class="ruby-constant">Request</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">env</span>)

  <span class="ruby-keyword">unless</span> <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">provided?</span>
    <span class="ruby-keyword">return</span> <span class="ruby-identifier">unauthorized</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">auth</span>.<span class="ruby-identifier">digest?</span> <span class="ruby-operator">||</span> <span class="ruby-operator">!</span><span class="ruby-identifier">auth</span>.<span class="ruby-identifier">correct_uri?</span> <span class="ruby-operator">||</span> <span class="ruby-operator">!</span><span class="ruby-identifier">valid_qop?</span>(<span class="ruby-identifier">auth</span>)
    <span class="ruby-keyword">return</span> <span class="ruby-identifier">bad_request</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-keyword">if</span> <span class="ruby-identifier">valid?</span>(<span class="ruby-identifier">auth</span>)
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">nonce</span>.<span class="ruby-identifier">stale?</span>
      <span class="ruby-keyword">return</span> <span class="ruby-identifier">unauthorized</span>(<span class="ruby-identifier">challenge</span>(<span class="ruby-value">stale:</span> <span class="ruby-keyword">true</span>))
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">env</span>[<span class="ruby-string">&#39;REMOTE_USER&#39;</span>] = <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">username</span>

      <span class="ruby-keyword">return</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>
  <span class="ruby-keyword">end</span>

  <span class="ruby-identifier">unauthorized</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-passwords_hashed-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">passwords_hashed?</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="passwords_hashed-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 35</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">passwords_hashed?</span>
  <span class="ruby-operator">!</span><span class="ruby-operator">!</span><span class="ruby-ivar">@passwords_hashed</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-A1" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">A1</span><span
            class="method-args">(auth, password)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="A1-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 114</span>
<span class="ruby-keyword">def</span> <span class="ruby-constant">A1</span>(<span class="ruby-identifier ruby-title">auth</span>, <span class="ruby-identifier">password</span>)
  <span class="ruby-node">&quot;#{auth.username}:#{auth.realm}:#{password}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-A2" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">A2</span><span
            class="method-args">(auth)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="A2-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 118</span>
<span class="ruby-keyword">def</span> <span class="ruby-constant">A2</span>(<span class="ruby-identifier ruby-title">auth</span>)
  <span class="ruby-node">&quot;#{auth.method}:#{auth.uri}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-H" class="method-detail method-alias">
        
        <div class="method-heading">
          <span class="method-name">H</span><span
            class="method-args">(data)</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
        </div>

        

        
        <div class="aliases">
          Alias for: <a href="MD5.html#method-i-md5">md5</a>
        </div>
        
      </div>

    
      <div id="method-i-KD" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">KD</span><span
            class="method-args">(secret, data)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="KD-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 110</span>
<span class="ruby-keyword">def</span> <span class="ruby-constant">KD</span>(<span class="ruby-identifier ruby-title">secret</span>, <span class="ruby-identifier">data</span>)
  <span class="ruby-constant">H</span> <span class="ruby-node">&quot;#{secret}:#{data}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-challenge" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">challenge</span><span
            class="method-args">(hash = {})</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="challenge-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 79</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">challenge</span>(<span class="ruby-identifier">hash</span> = {})
  <span class="ruby-node">&quot;Digest #{params(hash)}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-digest" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">digest</span><span
            class="method-args">(auth, password)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="digest-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 122</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">digest</span>(<span class="ruby-identifier">auth</span>, <span class="ruby-identifier">password</span>)
  <span class="ruby-identifier">password_hash</span> = <span class="ruby-identifier">passwords_hashed?</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">password</span> <span class="ruby-operator">:</span> <span class="ruby-constant">H</span>(<span class="ruby-constant">A1</span>(<span class="ruby-identifier">auth</span>, <span class="ruby-identifier">password</span>))

  <span class="ruby-constant">KD</span> <span class="ruby-identifier">password_hash</span>, <span class="ruby-node">&quot;#{auth.nonce}:#{auth.nc}:#{auth.cnonce}:#{QOP}:#{H A2(auth)}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-md5" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">md5</span><span
            class="method-args">(data)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="md5-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 104</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">md5</span>(<span class="ruby-identifier">data</span>)
  <span class="ruby-operator">::</span><span class="ruby-constant">Digest</span><span class="ruby-operator">::</span><span class="ruby-constant">MD5</span>.<span class="ruby-identifier">hexdigest</span>(<span class="ruby-identifier">data</span>)
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        
        <div class="aliases">
          Also aliased as: <a href="MD5.html#method-i-H">H</a>
        </div>
        

        
      </div>

    
      <div id="method-i-params" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">params</span><span
            class="method-args">(hash = {})</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="params-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 68</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">params</span>(<span class="ruby-identifier">hash</span> = {})
  <span class="ruby-constant">Params</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">params</span><span class="ruby-operator">|</span>
    <span class="ruby-identifier">params</span>[<span class="ruby-string">&#39;realm&#39;</span>] = <span class="ruby-identifier">realm</span>
    <span class="ruby-identifier">params</span>[<span class="ruby-string">&#39;nonce&#39;</span>] = <span class="ruby-constant">Nonce</span>.<span class="ruby-identifier">new</span>.<span class="ruby-identifier">to_s</span>
    <span class="ruby-identifier">params</span>[<span class="ruby-string">&#39;opaque&#39;</span>] = <span class="ruby-constant">H</span>(<span class="ruby-identifier">opaque</span>)
    <span class="ruby-identifier">params</span>[<span class="ruby-string">&#39;qop&#39;</span>] = <span class="ruby-constant">QOP</span>

    <span class="ruby-identifier">hash</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">params</span>[<span class="ruby-identifier">k</span>] = <span class="ruby-identifier">v</span> }
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-valid-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid?</span><span
            class="method-args">(auth)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="valid-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 83</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">valid?</span>(<span class="ruby-identifier">auth</span>)
  <span class="ruby-identifier">valid_opaque?</span>(<span class="ruby-identifier">auth</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">valid_nonce?</span>(<span class="ruby-identifier">auth</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">valid_digest?</span>(<span class="ruby-identifier">auth</span>)
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-valid_digest-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid_digest?</span><span
            class="method-args">(auth)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="valid_digest-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 99</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">valid_digest?</span>(<span class="ruby-identifier">auth</span>)
  <span class="ruby-identifier">pw</span> = <span class="ruby-ivar">@authenticator</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">auth</span>.<span class="ruby-identifier">username</span>)
  <span class="ruby-identifier">pw</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">secure_compare</span>(<span class="ruby-identifier">digest</span>(<span class="ruby-identifier">auth</span>, <span class="ruby-identifier">pw</span>), <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">response</span>)
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-valid_nonce-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid_nonce?</span><span
            class="method-args">(auth)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
        </div>
        

        <div class="method-description">
          
          
          
          

          
          <div class="method-source-code" id="valid_nonce-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 95</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">valid_nonce?</span>(<span class="ruby-identifier">auth</span>)
  <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">nonce</span>.<span class="ruby-identifier">valid?</span>
<span class="ruby-keyword">end</span></pre>
          </div>
          
        </div>

        

        
      </div>

    
      <div id="method-i-valid_opaque-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid_opaque?</span><span
            class="method-args">(auth)</span>
          
          <span class="method-click-advice">click to toggle source</span>
          
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          <div class="method-source-code" id="valid_opaque-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 91</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">valid_opaque?</span>(<span class="ruby-identifier">auth</span>)
  <span class="ruby-constant">H</span>(<span class="ruby-identifier">opaque</span>) <span class="ruby-operator">==</span> <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">opaque</span>
<span class="ruby-keyword">end</span></pre>
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      <div id="method-i-valid_qop-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">valid_qop?</span><span
            class="method-args">(auth)</span>
          
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          <div class="method-source-code" id="valid_qop-3F-source">
            <pre><span class="ruby-comment"># File lib/rack/auth/digest/md5.rb, line 87</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">valid_qop?</span>(<span class="ruby-identifier">auth</span>)
  <span class="ruby-constant">QOP</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">auth</span>.<span class="ruby-identifier">qop</span>
<span class="ruby-keyword">end</span></pre>
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