AlkantarClanX12
Your IP : 3.138.135.4
<?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>