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<div id="documentation">
<h1 class="class">Rack::Directory</h1>
<div id="description" class="description">
<p><a href="Directory.html">Rack::Directory</a> serves entries below the
<tt>root</tt> given, according to the path info of the <a
href="../Rack.html">Rack</a> request. If a directory is found, the file's
contents will be presented in an html based index. If a file is found, the
env will be passed to the specified <tt>app</tt>.</p>
<p>If <tt>app</tt> is not specified, a <a href="File.html">Rack::File</a> of
the same <tt>root</tt> will be used.</p>
</div><!-- description -->
<div id="5Buntitled-5D" class="documentation-section">
<!-- Constants -->
<div id="constants-list" class="section">
<h3 class="section-header">Constants</h3>
<dl>
<dt><a name="DIR_FILE">DIR_FILE</a></dt>
<dd class="description"></dd>
<dt><a name="DIR_PAGE">DIR_PAGE</a></dt>
<dd class="description"></dd>
<dt><a name="F">F</a></dt>
<dd class="description"></dd>
<dt><a name="FILESIZE_FORMAT">FILESIZE_FORMAT</a></dt>
<dd class="description"><p>Stolen from Ramaze</p></dd>
</dl>
</div>
<!-- Attributes -->
<div id="attribute-method-details" class="method-section section">
<h3 class="section-header">Attributes</h3>
<div id="files-attribute-method" class="method-detail">
<a name="files"></a>
<div class="method-heading attribute-method-heading">
<span class="method-name">files</span><span
class="attribute-access-type">[R]</span>
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<a name="root"></a>
<a name="root="></a>
<div class="method-heading attribute-method-heading">
<span class="method-name">root</span><span
class="attribute-access-type">[RW]</span>
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<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(root, app=nil)</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/directory.rb, line 45</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">root</span>, <span class="ruby-identifier">app</span>=<span class="ruby-keyword">nil</span>)
<span class="ruby-ivar">@root</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">root</span>)
<span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span> <span class="ruby-operator">||</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@root</span>)
<span class="ruby-keyword">end</span></pre>
</div><!-- new-source -->
</div>
</div><!-- new-method -->
</div><!-- public-class-method-details -->
<div id="public-instance-method-details" class="method-section section">
<h3 class="section-header">Public Instance Methods</h3>
<div id="_call-method" class="method-detail ">
<a name="method-i-_call"></a>
<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/directory.rb, line 56</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">_call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-ivar">@env</span> = <span class="ruby-identifier">env</span>
<span class="ruby-ivar">@script_name</span> = <span class="ruby-identifier">env</span>[<span class="ruby-constant">SCRIPT_NAME</span>]
<span class="ruby-ivar">@path_info</span> = <span class="ruby-constant">Utils</span>.<span class="ruby-identifier">unescape</span>(<span class="ruby-identifier">env</span>[<span class="ruby-constant">PATH_INFO</span>])
<span class="ruby-keyword">if</span> <span class="ruby-identifier">forbidden</span> = <span class="ruby-identifier">check_forbidden</span>
<span class="ruby-identifier">forbidden</span>
<span class="ruby-keyword">else</span>
<span class="ruby-ivar">@path</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">join</span>(<span class="ruby-ivar">@root</span>, <span class="ruby-ivar">@path_info</span>)
<span class="ruby-identifier">list_path</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- _call-source -->
</div>
</div><!-- _call-method -->
<div id="call-method" class="method-detail ">
<a name="method-i-call"></a>
<div class="method-heading">
<span class="method-name">call</span><span
class="method-args">(env)</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="call-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 50</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-identifier">dup</span>.<span class="ruby-identifier">_call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-keyword">end</span></pre>
</div><!-- call-source -->
</div>
</div><!-- call-method -->
<div id="check_forbidden-method" class="method-detail ">
<a name="method-i-check_forbidden"></a>
<div class="method-heading">
<span class="method-name">check_forbidden</span><span
class="method-args">()</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="check_forbidden-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 69</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">check_forbidden</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-ivar">@path_info</span>.<span class="ruby-identifier">include?</span> <span class="ruby-string">".."</span>
<span class="ruby-identifier">body</span> = <span class="ruby-string">"Forbidden\n"</span>
<span class="ruby-identifier">size</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">bytesize</span>(<span class="ruby-identifier">body</span>)
<span class="ruby-keyword">return</span> [<span class="ruby-value">403</span>, {<span class="ruby-string">"Content-Type"</span> =<span class="ruby-operator">></span> <span class="ruby-string">"text/plain"</span>,
<span class="ruby-constant">CONTENT_LENGTH</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">size</span>.<span class="ruby-identifier">to_s</span>,
<span class="ruby-string">"X-Cascade"</span> =<span class="ruby-operator">></span> <span class="ruby-string">"pass"</span>}, [<span class="ruby-identifier">body</span>]]
<span class="ruby-keyword">end</span></pre>
</div><!-- check_forbidden-source -->
</div>
</div><!-- check_forbidden-method -->
<div id="each-method" class="method-detail ">
<a name="method-i-each"></a>
<div class="method-heading">
<span class="method-name">each</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="each-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 137</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">each</span>
<span class="ruby-identifier">show_path</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">escape_html</span>(<span class="ruby-ivar">@path</span>.<span class="ruby-identifier">sub</span>(<span class="ruby-node">/^#{@root}/</span>,<span class="ruby-string">''</span>))
<span class="ruby-identifier">files</span> = <span class="ruby-ivar">@files</span>.<span class="ruby-identifier">map</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">f</span><span class="ruby-operator">|</span> <span class="ruby-constant">DIR_FILE</span> <span class="ruby-operator">%</span> <span class="ruby-constant">DIR_FILE_escape</span>(*<span class="ruby-identifier">f</span>) }*<span class="ruby-string">"\n"</span>
<span class="ruby-identifier">page</span> = <span class="ruby-constant">DIR_PAGE</span> <span class="ruby-operator">%</span> [ <span class="ruby-identifier">show_path</span>, <span class="ruby-identifier">show_path</span> , <span class="ruby-identifier">files</span> ]
<span class="ruby-identifier">page</span>.<span class="ruby-identifier">each_line</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">l</span><span class="ruby-operator">|</span> <span class="ruby-keyword">yield</span> <span class="ruby-identifier">l</span> }
<span class="ruby-keyword">end</span></pre>
</div><!-- each-source -->
</div>
</div><!-- each-method -->
<div id="entity_not_found-method" class="method-detail ">
<a name="method-i-entity_not_found"></a>
<div class="method-heading">
<span class="method-name">entity_not_found</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="entity_not_found-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 129</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">entity_not_found</span>
<span class="ruby-identifier">body</span> = <span class="ruby-node">"Entity not found: #{@path_info}\n"</span>
<span class="ruby-identifier">size</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">bytesize</span>(<span class="ruby-identifier">body</span>)
<span class="ruby-keyword">return</span> [<span class="ruby-value">404</span>, {<span class="ruby-string">"Content-Type"</span> =<span class="ruby-operator">></span> <span class="ruby-string">"text/plain"</span>,
<span class="ruby-constant">CONTENT_LENGTH</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">size</span>.<span class="ruby-identifier">to_s</span>,
<span class="ruby-string">"X-Cascade"</span> =<span class="ruby-operator">></span> <span class="ruby-string">"pass"</span>}, [<span class="ruby-identifier">body</span>]]
<span class="ruby-keyword">end</span></pre>
</div><!-- entity_not_found-source -->
</div>
</div><!-- entity_not_found-method -->
<div id="filesize_format-method" class="method-detail ">
<a name="method-i-filesize_format"></a>
<div class="method-heading">
<span class="method-name">filesize_format</span><span
class="method-args">(int)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="filesize_format-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 153</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">filesize_format</span>(<span class="ruby-identifier">int</span>)
<span class="ruby-constant">FILESIZE_FORMAT</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">format</span>, <span class="ruby-identifier">size</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">format</span> <span class="ruby-operator">%</span> (<span class="ruby-identifier">int</span>.<span class="ruby-identifier">to_f</span> <span class="ruby-operator">/</span> <span class="ruby-identifier">size</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">int</span> <span class="ruby-operator">>=</span> <span class="ruby-identifier">size</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">int</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-operator">+</span> <span class="ruby-string">'B'</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- filesize_format-source -->
</div>
</div><!-- filesize_format-method -->
<div id="list_directory-method" class="method-detail ">
<a name="method-i-list_directory"></a>
<div class="method-heading">
<span class="method-name">list_directory</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="list_directory-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 79</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">list_directory</span>
<span class="ruby-ivar">@files</span> = [[<span class="ruby-string">'../'</span>,<span class="ruby-string">'Parent Directory'</span>,<span class="ruby-string">''</span>,<span class="ruby-string">''</span>,<span class="ruby-string">''</span>]]
<span class="ruby-identifier">glob</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">join</span>(<span class="ruby-ivar">@path</span>, <span class="ruby-string">'*'</span>)
<span class="ruby-identifier">url_head</span> = (<span class="ruby-ivar">@script_name</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>) <span class="ruby-operator">+</span> <span class="ruby-ivar">@path_info</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>)).<span class="ruby-identifier">map</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">part</span><span class="ruby-operator">|</span>
<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">escape</span> <span class="ruby-identifier">part</span>
<span class="ruby-keyword">end</span>
<span class="ruby-constant">Dir</span>[<span class="ruby-identifier">glob</span>].<span class="ruby-identifier">sort</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">node</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">stat</span> = <span class="ruby-identifier">stat</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-keyword">next</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">stat</span>
<span class="ruby-identifier">basename</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">basename</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-identifier">ext</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">extname</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-identifier">url</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">join</span>(*<span class="ruby-identifier">url_head</span> <span class="ruby-operator">+</span> [<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">escape</span>(<span class="ruby-identifier">basename</span>)])
<span class="ruby-identifier">size</span> = <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">size</span>
<span class="ruby-identifier">type</span> = <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">directory?</span> <span class="ruby-operator">?</span> <span class="ruby-string">'directory'</span> <span class="ruby-operator">:</span> <span class="ruby-constant">Mime</span>.<span class="ruby-identifier">mime_type</span>(<span class="ruby-identifier">ext</span>)
<span class="ruby-identifier">size</span> = <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">directory?</span> <span class="ruby-operator">?</span> <span class="ruby-string">'-'</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">filesize_format</span>(<span class="ruby-identifier">size</span>)
<span class="ruby-identifier">mtime</span> = <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">mtime</span>.<span class="ruby-identifier">httpdate</span>
<span class="ruby-identifier">url</span> <span class="ruby-operator"><<</span> <span class="ruby-string">'/'</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">directory?</span>
<span class="ruby-identifier">basename</span> <span class="ruby-operator"><<</span> <span class="ruby-string">'/'</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">directory?</span>
<span class="ruby-ivar">@files</span> <span class="ruby-operator"><<</span> [ <span class="ruby-identifier">url</span>, <span class="ruby-identifier">basename</span>, <span class="ruby-identifier">size</span>, <span class="ruby-identifier">type</span>, <span class="ruby-identifier">mtime</span> ]
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">return</span> [ <span class="ruby-value">200</span>, { <span class="ruby-constant">CONTENT_TYPE</span> =<span class="ruby-operator">></span><span class="ruby-string">'text/html; charset=utf-8'</span>}, <span class="ruby-keyword">self</span> ]
<span class="ruby-keyword">end</span></pre>
</div><!-- list_directory-source -->
</div>
</div><!-- list_directory-method -->
<div id="list_path-method" class="method-detail ">
<a name="method-i-list_path"></a>
<div class="method-heading">
<span class="method-name">list_path</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>TODO: add correct response if not readable, not sure if 404 is the best</p>
<pre>option</pre>
<div class="method-source-code" id="list_path-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 115</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">list_path</span>
<span class="ruby-ivar">@stat</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">stat</span>(<span class="ruby-ivar">@path</span>)
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@stat</span>.<span class="ruby-identifier">readable?</span>
<span class="ruby-keyword">return</span> <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-ivar">@env</span>) <span class="ruby-keyword">if</span> <span class="ruby-ivar">@stat</span>.<span class="ruby-identifier">file?</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">list_directory</span> <span class="ruby-keyword">if</span> <span class="ruby-ivar">@stat</span>.<span class="ruby-identifier">directory?</span>
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ENOENT</span>, <span class="ruby-string">'No such file or directory'</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ENOENT</span>, <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ELOOP</span>
<span class="ruby-keyword">return</span> <span class="ruby-identifier">entity_not_found</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- list_path-source -->
</div>
</div><!-- list_path-method -->
<div id="stat-method" class="method-detail ">
<a name="method-i-stat"></a>
<div class="method-heading">
<span class="method-name">stat</span><span
class="method-args">(node, max = 10)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="stat-source">
<pre>
<span class="ruby-comment"># File lib/rack/directory.rb, line 107</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">stat</span>(<span class="ruby-identifier">node</span>, <span class="ruby-identifier">max</span> = <span class="ruby-value">10</span>)
<span class="ruby-constant">F</span>.<span class="ruby-identifier">stat</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ENOENT</span>, <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ELOOP</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- stat-source -->
</div>
</div><!-- stat-method -->
</div><!-- public-instance-method-details -->
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