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diff --git a/docs/en/cowboy/2.12/manual/cowboy_static/index.html b/docs/en/cowboy/2.12/manual/cowboy_static/index.html new file mode 100644 index 00000000..9066460e --- /dev/null +++ b/docs/en/cowboy/2.12/manual/cowboy_static/index.html @@ -0,0 +1,278 @@ +<!DOCTYPE html> +<html lang="en"> + +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <meta name="description" content=""> + <meta name="author" content="Loïc Hoguin based on a design from (Soft10) Pol Cámara"> + + <title>Nine Nines: cowboy_static(3)</title> + + <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'> + <link href="/css/99s.css?r=7" rel="stylesheet"> + + <link rel="shortcut icon" href="/img/ico/favicon.ico"> + <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png"> + <link rel="apple-touch-icon-precomposed" sizes="72x72" href="/img/ico/apple-touch-icon-72.png"> + <link rel="apple-touch-icon-precomposed" href="/img/ico/apple-touch-icon-57.png"> + + </head> + + +<body class=""> + <header id="page-head"> + <div id="topbar" class="container"> + <div class="row"> + <div class="span2"> + <h1 id="logo"><a href="/" title="99s">99s</a></h1> + </div> + <div class="span10"> + + <div id="side-header"> + <nav> + <ul> + <li><a title="Hear my thoughts" href="/articles">Articles</a></li> + <li><a title="Watch my talks" href="/talks">Talks</a></li> + <li class="active"><a title="Read the docs" href="/docs">Documentation</a></li> + <li><a title="Request my services" href="/services">Consulting & Training</a></li> + </ul> + </nav> + <ul id="social"> + <li> + <a href="https://github.com/ninenines" title="Check my Github repositories"><img src="/img/ico_github.png" data-hover="/img/ico_github_alt.png" alt="Github"></a> + </li> + <li> + <a title="Contact me" href="mailto:[email protected]"><img src="/img/ico_mail.png" data-hover="/img/ico_mail_alt.png"></a> + </li> + </ul> + </div> + </div> + </div> + </div> + + +</header> + +<div id="contents" class="two_col"> +<div class="container"> +<div class="row"> +<div id="docs" class="span9 maincol"> + +<h1 class="lined-header"><span>cowboy_static(3)</span></h1> + +<h2 id="_name">Name</h2> +<p>cowboy_static - Static file handler</p> +<h2 id="_description">Description</h2> +<p>The module <code>cowboy_static</code> implements file serving capabilities using the REST semantics provided by <code>cowboy_rest</code>.</p> +<p>The static file handler is a pre-written handler coming with Cowboy. To serve files, use it in your routes.</p> +<h2 id="_options">Options</h2> +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">opts</font></b>() <font color="#990000">::</font> {<font color="#FF6600">priv_file</font>, <font color="#009900">App</font>, <font color="#009900">Path</font>} + | {<font color="#FF6600">priv_file</font>, <font color="#009900">App</font>, <font color="#009900">Path</font>, <font color="#009900">Extra</font>} + | {<font color="#FF6600">file</font>, <font color="#009900">Path</font>} + | {<font color="#FF6600">file</font>, <font color="#009900">Path</font>, <font color="#009900">Extra</font>} + | {<font color="#FF6600">priv_dir</font>, <font color="#009900">App</font>, <font color="#009900">Path</font>} + | {<font color="#FF6600">priv_dir</font>, <font color="#009900">App</font>, <font color="#009900">Path</font>, <font color="#009900">Extra</font>} + | {<font color="#FF6600">dir</font>, <font color="#009900">Path</font>} + | {<font color="#FF6600">dir</font>, <font color="#009900">Path</font>, <font color="#009900">Extra</font>} + +<font color="#009900">App</font> <font color="#990000">::</font> <b><font color="#000080">atom</font></b>() +<font color="#009900">Path</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>() | <b><font color="#000000">string</font></b>() +<font color="#009900">Extra</font> <font color="#990000">::</font> [<font color="#009900">Charset</font> | <font color="#009900">Etag</font> | <font color="#009900">Mimetypes</font>] + +<font color="#009900">Charset</font> <font color="#990000">::</font> {<font color="#FF6600">charset</font>, <b><font color="#000000">module</font></b>(), <b><font color="#000080">function</font></b>()} + | {<font color="#FF6600">charset</font>, <b><font color="#000080">binary</font></b>()} + +<font color="#009900">Etag</font> <font color="#990000">::</font> {<font color="#FF6600">etag</font>, <b><font color="#000000">module</font></b>(), <b><font color="#000080">function</font></b>()} + | {<font color="#FF6600">etag</font>, <font color="#000080">false</font>} + +<font color="#009900">Mimetypes</font> <font color="#990000">::</font> {<font color="#FF6600">mimetypes</font>, <b><font color="#000000">module</font></b>(), <b><font color="#000080">function</font></b>()} + | {<font color="#FF6600">mimetypes</font>, <b><font color="#000080">binary</font></b>() | <font color="#009900">ParsedMime</font>} + +<font color="#009900">ParsedMime</font> <font color="#990000">::</font> {<font color="#009900">Type</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">SubType</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">Params</font>} +<font color="#009900">Params</font> <font color="#990000">::</font> [{<font color="#009900">Key</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">Value</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>()}]</tt></pre> +</div></div> +<p>Static handler configuration.</p> +<dl><dt>priv_file</dt> +<dd><p>Send a file.</p> +<p>The path is relative to the given application's private directory.</p> +</dd> +<dt>file</dt> +<dd><p>Send a file.</p> +<p>The path is either absolute or relative to the Erlang node's current directory.</p> +</dd> +<dt>priv_dir</dt> +<dd><p>Recursively serve files from a directory.</p> +<p>The path is relative to the given application's private directory.</p> +</dd> +<dt>dir</dt> +<dd><p>Recursively serve files from a directory.</p> +<p>The path is either absolute or relative to the Erlang node's current directory.</p> +</dd> +</dl> +<p>The extra options allow you to define how the etag should be calculated and how the MIME type of files should be detected.</p> +<p>By default the static handler will not send a charset with the response. You can provide a specific charset that will be used for all files using the text media type, or provide a module and function that will be called when needed:</p> +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">detect_charset</font></b>(<font color="#009900">Path</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>()) <font color="#990000">-></font> <font color="#009900">Charset</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>()</tt></pre> +</div></div> +<p>A charset must always be returned even if it doesn't make sense considering the media type of the file. A good default is <code><<"utf-8">></code>.</p> +<p>By default the static handler will generate an etag based on the size and modification time of the file. You may disable the etag entirely with <code>{etag, false}</code> or provide a module and function that will be called when needed:</p> +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">generate_etag</font></b>(<font color="#009900">Path</font>, <font color="#009900">Size</font>, <font color="#009900">Mtime</font>) <font color="#990000">-></font> {<font color="#FF6600">strong</font> | <font color="#FF6600">weak</font>, <b><font color="#000080">binary</font></b>()} + +<font color="#009900">Path</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>() +<font color="#009900">Size</font> <font color="#990000">::</font> <b><font color="#000000">non_neg_integer</font></b>() +<font color="#009900">Mtime</font> <font color="#990000">::</font> <b><font color="#000000">file:date_time</font></b>()</tt></pre> +</div></div> +<p>By default the static handler will detect Web-related MIME types by looking at the file extension. You can provide a specific MIME type that will always be used, or a module and function that will be called when needed:</p> +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">detect_mimetype</font></b>(<font color="#009900">Path</font>) <font color="#990000">-></font> <font color="#009900">ParsedMime</font> + +<font color="#009900">Path</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>() +<font color="#009900">ParsedMime</font> <font color="#990000">::</font> {<font color="#009900">Type</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">SubType</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">Params</font>} +<font color="#009900">Params</font> <font color="#990000">::</font> [{<font color="#009900">Key</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>(), <font color="#009900">Value</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>()}]</tt></pre> +</div></div> +<!-- @todo Case sensitivity of parsed mime content?--> +<p>Cowboy comes with two such functions; the default function <code>cow_mimetypes:web/1</code>, and a second function generated from the Apache <em>mime.types</em> file, <code>cow_mimetypes:all/1</code>.</p> +<p>The MIME type function should return <code>{<<"application">>, <<"octet-stream">>, []}</code> when it fails to detect a file's MIME type.</p> +<h2 id="_changelog">Changelog</h2> +<ul><li><strong>2.11</strong>: Support for range requests was added in 2.6 and is now considered stable. +</li> +<li><strong>2.6</strong>: The <code>charset</code> extra option was added. +</li> +<li><strong>1.0</strong>: Handler introduced. +</li> +</ul> +<h2 id="_examples">Examples</h2> +<div class="listingblock"><div class="title">Custom etag function</div> +<div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">generate_etag</font></b>(<font color="#009900">Path</font>, <font color="#009900">Size</font>, <font color="#009900">Mtime</font>) <font color="#990000">-></font> + {<font color="#FF6600">strong</font>, <b><font color="#000000">integer_to_binary</font></b>( + <b><font color="#000000">erlang:phash2</font></b>({<font color="#009900">Path</font>, <font color="#009900">Size</font>, <font color="#009900">Mtime</font>}, <font color="#993399">16#ffffffff</font>))}<font color="#990000">.</font></tt></pre> +</div></div> +<div class="listingblock"><div class="title">Custom MIME type function</div> +<div class="content"><!-- Generator: GNU source-highlight 3.1.9 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><b><font color="#000000">always_octet_stream</font></b>(<font color="#009900">_Path</font>) <font color="#990000">-></font> + <b><font color="#0000FF">case</font></b> <b><font color="#000000">filename:extension</font></b>(<font color="#009900">Path</font>) <b><font color="#0000FF">of</font></b> + <font color="#990000"><<</font><font color="#FF0000">".erl"</font><font color="#990000">>></font> <font color="#990000">-></font> {<font color="#990000"><<</font><font color="#FF0000">"text"</font><font color="#990000">>></font>, <font color="#990000"><<</font><font color="#FF0000">"plain"</font><font color="#990000">>></font>, []}; + <font color="#990000">_</font> <font color="#990000">-></font> {<font color="#990000"><<</font><font color="#FF0000">"application"</font><font color="#990000">>></font>, <font color="#990000"><<</font><font color="#FF0000">"octet-stream"</font><font color="#990000">>></font>, []} + <b><font color="#0000FF">end</font></b><font color="#990000">.</font></tt></pre> +</div></div> +<h2 id="_see_also">See also</h2> +<p><a href="..">cowboy(7)</a>, <a href="../cowboy_router">cowboy_router(3)</a></p> + + + + + + +</div> + +<div class="span3 sidecol"> + + +<h3> + Cowboy + 2.12 + Function Reference + +</h3> + +<ul> + + <li><a href="/docs/en/cowboy/2.12/guide">User Guide</a></li> + + + <li><a href="/docs/en/cowboy/2.12/manual">Function Reference</a></li> + + +</ul> + +<h4 id="docs-nav">Navigation</h4> + +<h4>Version select</h4> +<ul> + + + + <li><a href="/docs/en/cowboy/2.12/manual">2.12</a></li> + + <li><a href="/docs/en/cowboy/2.11/manual">2.11</a></li> + + <li><a href="/docs/en/cowboy/2.10/manual">2.10</a></li> + + <li><a href="/docs/en/cowboy/2.9/manual">2.9</a></li> + + <li><a href="/docs/en/cowboy/2.8/manual">2.8</a></li> + + <li><a href="/docs/en/cowboy/2.7/manual">2.7</a></li> + + <li><a href="/docs/en/cowboy/2.6/manual">2.6</a></li> + +</ul> + +<h3 id="_like_my_work__donate">Like my work? 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