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<?xml version="1.0" encoding="US-ASCII"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta content="text/html; charset=US-ASCII" http-equiv="Content-Type" /> <title>Class: Rack::File</title> <link rel="stylesheet" href="../rdoc.css" type="text/css" media="screen" /> <script src="../js/jquery.js" type="text/javascript" charset="utf-8"></script> <script src="../js/thickbox-compressed.js" type="text/javascript" charset="utf-8"></script> <script src="../js/quicksearch.js" type="text/javascript" charset="utf-8"></script> <script src="../js/darkfish.js" type="text/javascript" charset="utf-8"></script> </head> <body id="top" class="class"> <div id="metadata"> <div id="home-metadata"> <div id="home-section" class="section"> <h3 class="section-header"> <a href="../index.html">Home</a> <a href="../index.html#classes">Classes</a> <a href="../index.html#methods">Methods</a> </h3> </div> </div> <div id="file-metadata"> <div id="file-list-section" class="section"> <h3 class="section-header">In Files</h3> <div class="section-body"> <ul> <li><a href="../lib/rack/file_rb.html?TB_iframe=true&height=550&width=785" class="thickbox" title="lib/rack/file.rb">lib/rack/file.rb</a></li> </ul> </div> </div> </div> <div id="class-metadata"> <!-- Parent Class --> <div id="parent-class-section" class="section"> <h3 class="section-header">Parent</h3> <p class="link"><a href="../Object.html">Object</a></p> </div> <!-- Method Quickref --> <div id="method-list-section" class="section"> <h3 class="section-header">Methods</h3> <ul class="link-list"> <li><a href="#method-c-new">::new</a></li> <li><a href="#method-i-_call">#_call</a></li> <li><a href="#method-i-call">#call</a></li> <li><a href="#method-i-each">#each</a></li> <li><a href="#method-i-serving">#serving</a></li> </ul> </div> </div> <div id="project-metadata"> <div id="fileindex-section" class="section project-section"> <h3 class="section-header">Files</h3> <ul> <li class="file"><a href="../KNOWN-ISSUES.html">KNOWN-ISSUES</a></li> </ul> </div> <div id="classindex-section" class="section project-section"> <h3 class="section-header">Class/Module Index <span class="search-toggle"><img src="../images/find.png" height="16" width="16" alt="[+]" title="show/hide quicksearch" /></span></h3> <form action="#" method="get" accept-charset="utf-8" class="initially-hidden"> <fieldset> <legend>Quicksearch</legend> <input type="text" name="quicksearch" value="" class="quicksearch-field" /> </fieldset> </form> <ul class="link-list"> <li><a href="../Rack.html">Rack</a></li> <li><a href="../Rack/Auth.html">Rack::Auth</a></li> <li><a href="../Rack/Auth/AbstractHandler.html">Rack::Auth::AbstractHandler</a></li> <li><a href="../Rack/Auth/AbstractRequest.html">Rack::Auth::AbstractRequest</a></li> <li><a href="../Rack/Auth/Basic.html">Rack::Auth::Basic</a></li> <li><a href="../Rack/Auth/Basic/Request.html">Rack::Auth::Basic::Request</a></li> <li><a href="../Rack/Auth/Digest.html">Rack::Auth::Digest</a></li> <li><a href="../Rack/Auth/Digest/MD5.html">Rack::Auth::Digest::MD5</a></li> <li><a href="../Rack/Auth/Digest/Nonce.html">Rack::Auth::Digest::Nonce</a></li> <li><a href="../Rack/Auth/Digest/Params.html">Rack::Auth::Digest::Params</a></li> <li><a href="../Rack/Auth/Digest/Request.html">Rack::Auth::Digest::Request</a></li> <li><a href="../Rack/BodyProxy.html">Rack::BodyProxy</a></li> <li><a href="../Rack/Builder.html">Rack::Builder</a></li> <li><a href="../Rack/Cascade.html">Rack::Cascade</a></li> <li><a href="../Rack/Chunked.html">Rack::Chunked</a></li> <li><a href="../Rack/Chunked/Body.html">Rack::Chunked::Body</a></li> <li><a href="../Rack/CommonLogger.html">Rack::CommonLogger</a></li> <li><a href="../Rack/ConditionalGet.html">Rack::ConditionalGet</a></li> <li><a href="../Rack/Config.html">Rack::Config</a></li> <li><a href="../Rack/ContentLength.html">Rack::ContentLength</a></li> <li><a href="../Rack/ContentType.html">Rack::ContentType</a></li> <li><a href="../Rack/Deflater.html">Rack::Deflater</a></li> <li><a href="../Rack/Deflater/DeflateStream.html">Rack::Deflater::DeflateStream</a></li> <li><a href="../Rack/Deflater/GzipStream.html">Rack::Deflater::GzipStream</a></li> <li><a href="../Rack/Directory.html">Rack::Directory</a></li> <li><a href="../Rack/ETag.html">Rack::ETag</a></li> <li><a href="../Rack/File.html">Rack::File</a></li> <li><a href="../Rack/ForwardRequest.html">Rack::ForwardRequest</a></li> <li><a href="../Rack/Handler.html">Rack::Handler</a></li> <li><a href="../Rack/Handler/CGI.html">Rack::Handler::CGI</a></li> <li><a href="../Rack/Handler/EventedMongrel.html">Rack::Handler::EventedMongrel</a></li> <li><a href="../Rack/Handler/FastCGI.html">Rack::Handler::FastCGI</a></li> <li><a href="../Rack/Handler/LSWS.html">Rack::Handler::LSWS</a></li> <li><a href="../Rack/Handler/Mongrel.html">Rack::Handler::Mongrel</a></li> <li><a href="../Rack/Handler/SCGI.html">Rack::Handler::SCGI</a></li> <li><a href="../Rack/Handler/SwiftipliedMongrel.html">Rack::Handler::SwiftipliedMongrel</a></li> <li><a href="../Rack/Handler/Thin.html">Rack::Handler::Thin</a></li> <li><a href="../Rack/Handler/WEBrick.html">Rack::Handler::WEBrick</a></li> <li><a href="../Rack/Head.html">Rack::Head</a></li> <li><a href="../Rack/Lint.html">Rack::Lint</a></li> <li><a href="../Rack/Lobster.html">Rack::Lobster</a></li> <li><a href="../Rack/Lock.html">Rack::Lock</a></li> <li><a href="../Rack/Logger.html">Rack::Logger</a></li> <li><a href="../Rack/MethodOverride.html">Rack::MethodOverride</a></li> <li><a href="../Rack/Mime.html">Rack::Mime</a></li> <li><a href="../Rack/MockRequest.html">Rack::MockRequest</a></li> <li><a href="../Rack/MockRequest/FatalWarner.html">Rack::MockRequest::FatalWarner</a></li> <li><a href="../Rack/MockRequest/FatalWarning.html">Rack::MockRequest::FatalWarning</a></li> <li><a href="../Rack/MockResponse.html">Rack::MockResponse</a></li> <li><a href="../Rack/Multipart.html">Rack::Multipart</a></li> <li><a href="../Rack/Multipart/Generator.html">Rack::Multipart::Generator</a></li> <li><a href="../Rack/Multipart/MultipartPartLimitError.html">Rack::Multipart::MultipartPartLimitError</a></li> <li><a href="../Rack/Multipart/Parser.html">Rack::Multipart::Parser</a></li> <li><a href="../Rack/Multipart/UploadedFile.html">Rack::Multipart::UploadedFile</a></li> <li><a href="../Rack/NullLogger.html">Rack::NullLogger</a></li> <li><a href="../Rack/Recursive.html">Rack::Recursive</a></li> <li><a href="../Rack/Reloader.html">Rack::Reloader</a></li> <li><a href="../Rack/Reloader/Stat.html">Rack::Reloader::Stat</a></li> <li><a href="../Rack/Request.html">Rack::Request</a></li> <li><a href="../Rack/Response.html">Rack::Response</a></li> <li><a href="../Rack/Response/Helpers.html">Rack::Response::Helpers</a></li> <li><a href="../Rack/RewindableInput.html">Rack::RewindableInput</a></li> <li><a href="../Rack/RewindableInput/Tempfile.html">Rack::RewindableInput::Tempfile</a></li> <li><a href="../Rack/Runtime.html">Rack::Runtime</a></li> <li><a href="../Rack/Sendfile.html">Rack::Sendfile</a></li> <li><a href="../Rack/Server.html">Rack::Server</a></li> <li><a href="../Rack/Server/Options.html">Rack::Server::Options</a></li> <li><a href="../Rack/Session.html">Rack::Session</a></li> <li><a href="../Rack/Session/Abstract.html">Rack::Session::Abstract</a></li> <li><a href="../Rack/Session/Abstract/ID.html">Rack::Session::Abstract::ID</a></li> <li><a href="../Rack/Session/Abstract/SessionHash.html">Rack::Session::Abstract::SessionHash</a></li> <li><a href="../Rack/Session/Cookie.html">Rack::Session::Cookie</a></li> <li><a href="../Rack/Session/Cookie/Base64.html">Rack::Session::Cookie::Base64</a></li> <li><a href="../Rack/Session/Cookie/Base64/JSON.html">Rack::Session::Cookie::Base64::JSON</a></li> <li><a href="../Rack/Session/Cookie/Base64/Marshal.html">Rack::Session::Cookie::Base64::Marshal</a></li> <li><a href="../Rack/Session/Cookie/Base64/ZipJSON.html">Rack::Session::Cookie::Base64::ZipJSON</a></li> <li><a href="../Rack/Session/Cookie/Identity.html">Rack::Session::Cookie::Identity</a></li> <li><a href="../Rack/Session/Memcache.html">Rack::Session::Memcache</a></li> <li><a href="../Rack/Session/Pool.html">Rack::Session::Pool</a></li> <li><a href="../Rack/ShowExceptions.html">Rack::ShowExceptions</a></li> <li><a href="../Rack/ShowStatus.html">Rack::ShowStatus</a></li> <li><a href="../Rack/Static.html">Rack::Static</a></li> <li><a href="../Rack/TempfileReaper.html">Rack::TempfileReaper</a></li> <li><a href="../Rack/URLMap.html">Rack::URLMap</a></li> <li><a href="../Rack/Utils.html">Rack::Utils</a></li> <li><a href="../Rack/Utils/Context.html">Rack::Utils::Context</a></li> <li><a href="../Rack/Utils/HeaderHash.html">Rack::Utils::HeaderHash</a></li> <li><a href="../Rack/Utils/InvalidParameterError.html">Rack::Utils::InvalidParameterError</a></li> <li><a href="../Rack/Utils/KeySpaceConstrainedParams.html">Rack::Utils::KeySpaceConstrainedParams</a></li> <li><a href="../Rack/Multipart.html">Rack::Utils::Multipart</a></li> <li><a href="../Rack/Utils/OkJson.html">Rack::Utils::OkJson</a></li> <li><a href="../Rack/Utils/OkJson/Error.html">Rack::Utils::OkJson::Error</a></li> <li><a href="../Rack/Utils/OkJson/Utf8Error.html">Rack::Utils::OkJson::Utf8Error</a></li> <li><a href="../Rack/Utils/ParameterTypeError.html">Rack::Utils::ParameterTypeError</a></li> <li><a href="../FCGI.html">FCGI</a></li> <li><a href="../FCGI/Stream.html">FCGI::Stream</a></li> <li><a href="../WEBrick.html">WEBrick</a></li> <li><a href="../WEBrick/HTTPResponse.html">WEBrick::HTTPResponse</a></li> <li><a href="../Object.html">Object</a></li> </ul> <div id="no-class-search-results" style="display: none;">No matching classes.</div> </div> </div> </div> <div id="documentation"> <h1 class="class">Rack::File</h1> <div id="description" class="description"> <p><a href="File.html">Rack::File</a> serves files below the <tt>root</tt> directory given, according to the path info of the <a href="../Rack.html">Rack</a> request. e.g. when <a href="File.html#method-c-new">Rack::File.new</a>("/etc") is used, you can access 'passwd' file as <a href="http://localhost:9292/passwd">localhost:9292/passwd</a></p> <p>Handlers can detect if bodies are a <a href="File.html">Rack::File</a>, and use mechanisms like sendfile on the <tt>path</tt>.</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="ALLOWED_VERBS">ALLOWED_VERBS</a></dt> <dd class="description"></dd> <dt><a name="ALLOW_HEADER">ALLOW_HEADER</a></dt> <dd class="description"></dd> <dt><a name="F">F</a></dt> <dd class="description"></dd> </dl> </div> <!-- Attributes --> <div id="attribute-method-details" class="method-section section"> <h3 class="section-header">Attributes</h3> <div id="cache_control-attribute-method" class="method-detail"> <a name="cache_control"></a> <a name="cache_control="></a> <div class="method-heading attribute-method-heading"> <span class="method-name">cache_control</span><span class="attribute-access-type">[RW]</span> </div> <div class="method-description"> </div> </div> <div id="path-attribute-method" class="method-detail"> <a name="path"></a> <a name="path="></a> <div class="method-heading attribute-method-heading"> <span class="method-name">path</span><span class="attribute-access-type">[RW]</span> </div> <div class="method-description"> </div> </div> <div id="root-attribute-method" class="method-detail"> <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> </div> <div class="method-description"> </div> </div> <div id="to_path-attribute-method" class="method-detail"> <a name="to_path"></a> <a name="to_path="></a> <div class="method-heading attribute-method-heading"> <span class="method-name">to_path</span><span class="attribute-access-type">[RW]</span> </div> <div class="method-description"> </div> </div> </div><!-- attribute-method-details --> <!-- Methods --> <div id="public-class-method-details" class="method-section section"> <h3 class="section-header">Public Class Methods</h3> <div id="new-method" class="method-detail "> <a name="method-c-new"></a> <div class="method-heading"> <span class="method-name">new</span><span class="method-args">(root, headers={}, default_mime = 'text/plain')</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/file.rb, line 24</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">root</span>, <span class="ruby-identifier">headers</span>={}, <span class="ruby-identifier">default_mime</span> = <span class="ruby-string">'text/plain'</span>) <span class="ruby-ivar">@root</span> = <span class="ruby-identifier">root</span> <span class="ruby-ivar">@headers</span> = <span class="ruby-identifier">headers</span> <span class="ruby-ivar">@default_mime</span> = <span class="ruby-identifier">default_mime</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/file.rb, line 36</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier">_call</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">unless</span> <span class="ruby-constant">ALLOWED_VERBS</span>.<span class="ruby-identifier">include?</span> <span class="ruby-identifier">env</span>[<span class="ruby-constant">REQUEST_METHOD</span>] <span class="ruby-keyword">return</span> <span class="ruby-identifier">fail</span>(<span class="ruby-value">405</span>, <span class="ruby-string">"Method Not Allowed"</span>, {<span class="ruby-string">'Allow'</span> =<span class="ruby-operator">></span> <span class="ruby-constant">ALLOW_HEADER</span>}) <span class="ruby-keyword">end</span> <span class="ruby-identifier">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-identifier">clean_path_info</span> = <span class="ruby-constant">Utils</span>.<span class="ruby-identifier">clean_path_info</span>(<span class="ruby-identifier">path_info</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-identifier">clean_path_info</span>) <span class="ruby-identifier">available</span> = <span class="ruby-keyword">begin</span> <span class="ruby-constant">F</span>.<span class="ruby-identifier">file?</span>(<span class="ruby-ivar">@path</span>) <span class="ruby-operator">&&</span> <span class="ruby-constant">F</span>.<span class="ruby-identifier">readable?</span>(<span class="ruby-ivar">@path</span>) <span class="ruby-keyword">rescue</span> <span class="ruby-constant">SystemCallError</span> <span class="ruby-keyword">false</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">available</span> <span class="ruby-identifier">serving</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">else</span> <span class="ruby-identifier">fail</span>(<span class="ruby-value">404</span>, <span class="ruby-node">"File not found: #{path_info}"</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> <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/file.rb, line 30</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="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/file.rb, line 101</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier">each</span> <span class="ruby-constant">F</span>.<span class="ruby-identifier">open</span>(<span class="ruby-ivar">@path</span>, <span class="ruby-string">"rb"</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">file</span><span class="ruby-operator">|</span> <span class="ruby-identifier">file</span>.<span class="ruby-identifier">seek</span>(<span class="ruby-ivar">@range</span>.<span class="ruby-identifier">begin</span>) <span class="ruby-identifier">remaining_len</span> = <span class="ruby-ivar">@range</span>.<span class="ruby-identifier">end</span><span class="ruby-operator">-</span><span class="ruby-ivar">@range</span>.<span class="ruby-identifier">begin</span><span class="ruby-operator">+</span><span class="ruby-value">1</span> <span class="ruby-keyword">while</span> <span class="ruby-identifier">remaining_len</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span> <span class="ruby-identifier">part</span> = <span class="ruby-identifier">file</span>.<span class="ruby-identifier">read</span>([<span class="ruby-value">8192</span>, <span class="ruby-identifier">remaining_len</span>].<span class="ruby-identifier">min</span>) <span class="ruby-keyword">break</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">part</span> <span class="ruby-identifier">remaining_len</span> <span class="ruby-operator">-=</span> <span class="ruby-identifier">part</span>.<span class="ruby-identifier">length</span> <span class="ruby-keyword">yield</span> <span class="ruby-identifier">part</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">end</span> <span class="ruby-keyword">end</span></pre> </div><!-- each-source --> </div> </div><!-- each-method --> <div id="serving-method" class="method-detail "> <a name="method-i-serving"></a> <div class="method-heading"> <span class="method-name">serving</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="serving-source"> <pre> <span class="ruby-comment"># File lib/rack/file.rb, line 59</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier">serving</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">env</span>[<span class="ruby-string">"REQUEST_METHOD"</span>] <span class="ruby-operator">==</span> <span class="ruby-string">"OPTIONS"</span> <span class="ruby-keyword">return</span> [<span class="ruby-value">200</span>, {<span class="ruby-string">'Allow'</span> =<span class="ruby-operator">></span> <span class="ruby-constant">ALLOW_HEADER</span>, <span class="ruby-constant">CONTENT_LENGTH</span> =<span class="ruby-operator">></span> <span class="ruby-string">'0'</span>}, []] <span class="ruby-keyword">end</span> <span class="ruby-identifier">last_modified</span> = <span class="ruby-constant">F</span>.<span class="ruby-identifier">mtime</span>(<span class="ruby-ivar">@path</span>).<span class="ruby-identifier">httpdate</span> <span class="ruby-keyword">return</span> [<span class="ruby-value">304</span>, {}, []] <span class="ruby-keyword">if</span> <span class="ruby-identifier">env</span>[<span class="ruby-string">'HTTP_IF_MODIFIED_SINCE'</span>] <span class="ruby-operator">==</span> <span class="ruby-identifier">last_modified</span> <span class="ruby-identifier">headers</span> = { <span class="ruby-string">"Last-Modified"</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">last_modified</span> } <span class="ruby-identifier">headers</span>[<span class="ruby-constant">CONTENT_TYPE</span>] = <span class="ruby-identifier">mime_type</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">mime_type</span> <span class="ruby-comment"># Set custom headers</span> <span class="ruby-ivar">@headers</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">field</span>, <span class="ruby-identifier">content</span><span class="ruby-operator">|</span> <span class="ruby-identifier">headers</span>[<span class="ruby-identifier">field</span>] = <span class="ruby-identifier">content</span> } <span class="ruby-keyword">if</span> <span class="ruby-ivar">@headers</span> <span class="ruby-identifier">response</span> = [ <span class="ruby-value">200</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">env</span>[<span class="ruby-constant">REQUEST_METHOD</span>] <span class="ruby-operator">==</span> <span class="ruby-string">"HEAD"</span> <span class="ruby-operator">?</span> [] <span class="ruby-operator">:</span> <span class="ruby-keyword">self</span> ] <span class="ruby-identifier">size</span> = <span class="ruby-identifier">filesize</span> <span class="ruby-identifier">ranges</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Utils</span>.<span class="ruby-identifier">byte_ranges</span>(<span class="ruby-identifier">env</span>, <span class="ruby-identifier">size</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">ranges</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">ranges</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">></span> <span class="ruby-value">1</span> <span class="ruby-comment"># No ranges, or multiple ranges (which we don't support):</span> <span class="ruby-comment"># TODO: Support multiple byte-ranges</span> <span class="ruby-identifier">response</span>[<span class="ruby-value">0</span>] = <span class="ruby-value">200</span> <span class="ruby-ivar">@range</span> = <span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">size</span><span class="ruby-operator">-</span><span class="ruby-value">1</span> <span class="ruby-keyword">elsif</span> <span class="ruby-identifier">ranges</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-comment"># Unsatisfiable. Return error, and file size:</span> <span class="ruby-identifier">response</span> = <span class="ruby-identifier">fail</span>(<span class="ruby-value">416</span>, <span class="ruby-string">"Byte range unsatisfiable"</span>) <span class="ruby-identifier">response</span>[<span class="ruby-value">1</span>][<span class="ruby-string">"Content-Range"</span>] = <span class="ruby-node">"bytes */#{size}"</span> <span class="ruby-keyword">return</span> <span class="ruby-identifier">response</span> <span class="ruby-keyword">else</span> <span class="ruby-comment"># Partial content:</span> <span class="ruby-ivar">@range</span> = <span class="ruby-identifier">ranges</span>[<span class="ruby-value">0</span>] <span class="ruby-identifier">response</span>[<span class="ruby-value">0</span>] = <span class="ruby-value">206</span> <span class="ruby-identifier">response</span>[<span class="ruby-value">1</span>][<span class="ruby-string">"Content-Range"</span>] = <span class="ruby-node">"bytes #{@range.begin}-#{@range.end}/#{size}"</span> <span class="ruby-identifier">size</span> = <span class="ruby-ivar">@range</span>.<span class="ruby-identifier">end</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@range</span>.<span class="ruby-identifier">begin</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span> <span class="ruby-keyword">end</span> <span class="ruby-identifier">response</span>[<span class="ruby-value">2</span>] = [<span class="ruby-identifier">response_body</span>] <span class="ruby-keyword">unless</span> <span class="ruby-identifier">response_body</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-identifier">response</span>[<span class="ruby-value">1</span>][<span class="ruby-constant">CONTENT_LENGTH</span>] = <span class="ruby-identifier">size</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-identifier">response</span> <span class="ruby-keyword">end</span></pre> </div><!-- serving-source --> </div> </div><!-- serving-method --> </div><!-- public-instance-method-details --> </div><!-- 5Buntitled-5D --> </div><!-- documentation --> <div id="validator-badges"> <p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p> <p><small>Generated with the <a href="http://deveiate.org/projects/Darkfish-Rdoc/">Darkfish Rdoc Generator</a> 2</small>.</p> </div> </body> </html>