File: C:/Ruby27-x64/share/doc/ruby/html/WEBrick/HTTPAuth/Htdigest.html
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<h3>Included Modules</h3>
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<li><a class="include" href="UserDB.html">WEBrick::HTTPAuth::UserDB</a>
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<!-- Method Quickref -->
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-i-delete_passwd">#delete_passwd</a>
<li ><a href="#method-i-each">#each</a>
<li ><a href="#method-i-flush">#flush</a>
<li ><a href="#method-i-get_passwd">#get_passwd</a>
<li ><a href="#method-i-reload">#reload</a>
<li ><a href="#method-i-set_passwd">#set_passwd</a>
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<h1 id="class-WEBrick::HTTPAuth::Htdigest" class="class">
class WEBrick::HTTPAuth::Htdigest
</h1>
<section class="description">
<p><a href="Htdigest.html"><code>Htdigest</code></a> accesses apache-compatible digest password files. Passwords are matched to a realm where they are valid. For security, the path for a digest password database should be stored outside of the paths available to the HTTP server.</p>
<p><a href="Htdigest.html"><code>Htdigest</code></a> is intended for use with <a href="DigestAuth.html"><code>WEBrick::HTTPAuth::DigestAuth</code></a> and stores passwords using cryptographic hashes.</p>
<pre class="ruby"><span class="ruby-identifier">htpasswd</span> = <span class="ruby-constant">WEBrick</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPAuth</span><span class="ruby-operator">::</span><span class="ruby-constant">Htdigest</span>.<span class="ruby-identifier">new</span> <span class="ruby-string">'my_password_file'</span>
<span class="ruby-identifier">htpasswd</span>.<span class="ruby-identifier">set_passwd</span> <span class="ruby-string">'my realm'</span>, <span class="ruby-string">'username'</span>, <span class="ruby-string">'password'</span>
<span class="ruby-identifier">htpasswd</span>.<span class="ruby-identifier">flush</span>
</pre>
</section>
<section id="5Buntitled-5D" class="documentation-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">(path)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Open a digest password database at <code>path</code></p>
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 37</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">path</span>)
<span class="ruby-ivar">@path</span> = <span class="ruby-identifier">path</span>
<span class="ruby-ivar">@mtime</span> = <span class="ruby-constant">Time</span>.<span class="ruby-identifier">at</span>(<span class="ruby-value">0</span>)
<span class="ruby-ivar">@digest</span> = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span>
<span class="ruby-ivar">@mutex</span> = <span class="ruby-constant">Thread</span><span class="ruby-operator">::</span><span class="ruby-constant">Mutex</span><span class="ruby-operator">::</span><span class="ruby-identifier">new</span>
<span class="ruby-ivar">@auth_type</span> = <span class="ruby-constant">DigestAuth</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-ivar">@path</span>,<span class="ruby-string">"a"</span>).<span class="ruby-identifier">close</span> <span class="ruby-keyword">unless</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">exist?</span>(<span class="ruby-ivar">@path</span>)
<span class="ruby-identifier">reload</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-delete_passwd" class="method-detail ">
<div class="method-heading">
<span class="method-name">delete_passwd</span><span
class="method-args">(realm, user)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Removes a password from the database for <code>user</code> in <code>realm</code>.</p>
<div class="method-source-code" id="delete_passwd-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 113</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">delete_passwd</span>(<span class="ruby-identifier">realm</span>, <span class="ruby-identifier">user</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">hash</span> = <span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>]
<span class="ruby-identifier">hash</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">user</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-each" class="method-detail ">
<div class="method-heading">
<span class="method-name">each</span><span
class="method-args">() { |user, realm, password_hash| ... }</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Iterate passwords in the database.</p>
<div class="method-source-code" id="each-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 122</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each</span> <span class="ruby-comment"># :yields: [user, realm, password_hash]</span>
<span class="ruby-ivar">@digest</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">sort</span>.<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">realm</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">hash</span> = <span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>]
<span class="ruby-identifier">hash</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">sort</span>.<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">user</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">yield</span>([<span class="ruby-identifier">user</span>, <span class="ruby-identifier">realm</span>, <span class="ruby-identifier">hash</span>[<span class="ruby-identifier">user</span>]])
}
}
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-flush" class="method-detail ">
<div class="method-heading">
<span class="method-name">flush</span><span
class="method-args">(output=nil)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Flush the password database. If <code>output</code> is given the database will be written there instead of to the original path.</p>
<div class="method-source-code" id="flush-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 72</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">flush</span>(<span class="ruby-identifier">output</span>=<span class="ruby-keyword">nil</span>)
<span class="ruby-identifier">output</span> <span class="ruby-operator">||=</span> <span class="ruby-ivar">@path</span>
<span class="ruby-identifier">tmp</span> = <span class="ruby-constant">Tempfile</span>.<span class="ruby-identifier">create</span>(<span class="ruby-string">"htpasswd"</span>, <span class="ruby-constant">File</span><span class="ruby-operator">::</span><span class="ruby-identifier">dirname</span>(<span class="ruby-identifier">output</span>))
<span class="ruby-identifier">renamed</span> = <span class="ruby-keyword">false</span>
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">item</span><span class="ruby-operator">|</span> <span class="ruby-identifier">tmp</span>.<span class="ruby-identifier">puts</span>(<span class="ruby-identifier">item</span>.<span class="ruby-identifier">join</span>(<span class="ruby-string">":"</span>)) }
<span class="ruby-identifier">tmp</span>.<span class="ruby-identifier">close</span>
<span class="ruby-constant">File</span><span class="ruby-operator">::</span><span class="ruby-identifier">rename</span>(<span class="ruby-identifier">tmp</span>.<span class="ruby-identifier">path</span>, <span class="ruby-identifier">output</span>)
<span class="ruby-identifier">renamed</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">ensure</span>
<span class="ruby-identifier">tmp</span>.<span class="ruby-identifier">close</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">unlink</span>(<span class="ruby-identifier">tmp</span>.<span class="ruby-identifier">path</span>) <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">renamed</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-get_passwd" class="method-detail ">
<div class="method-heading">
<span class="method-name">get_passwd</span><span
class="method-args">(realm, user, reload_db)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Retrieves a password from the database for <code>user</code> in <code>realm</code>. If <code>reload_db</code> is true the database will be reloaded first.</p>
<div class="method-source-code" id="get_passwd-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 91</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_passwd</span>(<span class="ruby-identifier">realm</span>, <span class="ruby-identifier">user</span>, <span class="ruby-identifier">reload_db</span>)
<span class="ruby-identifier">reload</span>() <span class="ruby-keyword">if</span> <span class="ruby-identifier">reload_db</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">hash</span> = <span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>]
<span class="ruby-identifier">hash</span>[<span class="ruby-identifier">user</span>]
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-reload" class="method-detail ">
<div class="method-heading">
<span class="method-name">reload</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Reloads passwords from the database</p>
<div class="method-source-code" id="reload-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 50</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">reload</span>
<span class="ruby-identifier">mtime</span> = <span class="ruby-constant">File</span><span class="ruby-operator">::</span><span class="ruby-identifier">mtime</span>(<span class="ruby-ivar">@path</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">mtime</span> <span class="ruby-operator">></span> <span class="ruby-ivar">@mtime</span>
<span class="ruby-ivar">@digest</span>.<span class="ruby-identifier">clear</span>
<span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-ivar">@path</span>){<span class="ruby-operator">|</span><span class="ruby-identifier">io</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">while</span> <span class="ruby-identifier">line</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">gets</span>
<span class="ruby-identifier">line</span>.<span class="ruby-identifier">chomp!</span>
<span class="ruby-identifier">user</span>, <span class="ruby-identifier">realm</span>, <span class="ruby-identifier">pass</span> = <span class="ruby-identifier">line</span>.<span class="ruby-identifier">split</span>(<span class="ruby-regexp">/:/</span>, <span class="ruby-value">3</span>)
<span class="ruby-keyword">unless</span> <span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>]
<span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>] = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>][<span class="ruby-identifier">user</span>] = <span class="ruby-identifier">pass</span>
<span class="ruby-keyword">end</span>
}
<span class="ruby-ivar">@mtime</span> = <span class="ruby-identifier">mtime</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-set_passwd" class="method-detail ">
<div class="method-heading">
<span class="method-name">set_passwd</span><span
class="method-args">(realm, user, pass)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Sets a password in the database for <code>user</code> in <code>realm</code> to <code>pass</code>.</p>
<div class="method-source-code" id="set_passwd-source">
<pre><span class="ruby-comment"># File lib/webrick/httpauth/htdigest.rb, line 101</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">set_passwd</span>(<span class="ruby-identifier">realm</span>, <span class="ruby-identifier">user</span>, <span class="ruby-identifier">pass</span>)
<span class="ruby-ivar">@mutex</span>.<span class="ruby-identifier">synchronize</span>{
<span class="ruby-keyword">unless</span> <span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>]
<span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>] = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@digest</span>[<span class="ruby-identifier">realm</span>][<span class="ruby-identifier">user</span>] = <span class="ruby-identifier">make_passwd</span>(<span class="ruby-identifier">realm</span>, <span class="ruby-identifier">user</span>, <span class="ruby-identifier">pass</span>)
}
<span class="ruby-keyword">end</span></pre>
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