Cowboy 2.6.0

author: Loïc Hoguin <[email protected]> 2018-11-19 13:29:35 +0100
committer: Loïc Hoguin <[email protected]> 2018-11-19 13:29:35 +0100
commit: 3edee0ace8f3f12653381e8038461689363c9541 (patch)
tree: 25c351b121ff008ed7a73ee945dc1f2d28a025c1 /docs/en/cowboy/2.6/manual/cowboy_req.parse_cookies/index.html
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+<h1 class="lined-header"><span>cowboy_req:parse_cookies(3)</span></h1>
+
+<h2 id="_name">Name</h2>
+<p>cowboy_req:parse_cookies - Parse cookie headers</p>
+<h2 id="_description">Description</h2>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><b><font color="#000000">parse_cookies</font></b>(<font color="#009900">Req</font>) <font color="#990000">-&gt;</font> [{<font color="#009900">Name</font>, <font color="#009900">Value</font>}]
+
+<font color="#009900">Name</font>  <font color="#990000">::</font> <b><font color="#000080">binary</font></b>() <i><font color="#9A1900">%% case sensitive</font></i>
+<font color="#009900">Value</font> <font color="#990000">::</font> <b><font color="#000080">binary</font></b>() <i><font color="#9A1900">%% case sensitive</font></i></tt></pre>
+</div></div>
+<p>Parse cookie headers.</p>
+<p>Alias for <a href="../cowboy_req.parse_header">cowboy_req:parse_header(&lt;&lt;&quot;cookie&quot;&gt;&gt;, Req)</a>.</p>
+<p>When the cookie header is missing, <code>[]</code> is returned.</p>
+<p>While an empty cookie header is not valid, some clients do send it. Cowboy will in this case also return <code>[]</code>.</p>
+<h2 id="_arguments">Arguments</h2>
+<dl><dt>Req</dt>
+<dd><p>The Req object.</p>
+</dd>
+</dl>
+<h2 id="_return_value">Return value</h2>
+<p>The cookies are returned as a list of key/values. Keys and values are case sensitive binary strings.</p>
+<h2 id="_changelog">Changelog</h2>
+<ul><li><strong>2.0</strong>: Only the parsed header value is returned, it is no longer wrapped in a tuple.
+</li>
+<li><strong>2.0</strong>: Function introduced. Replaces <code>cookie/2,3</code> and <code>cookies/1</code>.
+</li>
+</ul>
+<h2 id="_examples">Examples</h2>
+<div class="listingblock"><div class="title">Look for a specific cookie</div>
+<div class="content"><!-- Generator: GNU source-highlight 3.1.8
+by Lorenzo Bettini
+http://www.lorenzobettini.it
+http://www.gnu.org/software/src-highlite -->
+<pre><tt><font color="#009900">Cookies</font> <font color="#990000">=</font> <b><font color="#000000">cowboy_req:parse_cookies</font></b>(<font color="#009900">Req</font>),
+{<font color="#990000">_</font>, <font color="#009900">Token</font>} <font color="#990000">=</font> <b><font color="#000000">lists:keyfind</font></b>(<font color="#990000">&lt;&lt;</font><font color="#FF0000">"token"</font><font color="#990000">&gt;&gt;</font>, <font color="#993399">1</font>, <font color="#009900">Cookies</font>)<font color="#990000">.</font></tt></pre>
+</div></div>
+<h2 id="_see_also">See also</h2>
+<p><a href="../cowboy_req">cowboy_req(3)</a>, <a href="../cowboy_req.parse_header">cowboy_req:parse_header(3)</a>, <a href="../cowboy_req.match_cookies">cowboy_req:match_cookies(3)</a></p>
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+	Cowboy
+	2.6
+	Function Reference
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+		<li><a href="/docs/en/cowboy/2.6/guide">User Guide</a></li>
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author	Loïc Hoguin <[email protected]>	2018-11-19 13:29:35 +0100
committer	Loïc Hoguin <[email protected]>	2018-11-19 13:29:35 +0100
commit	3edee0ace8f3f12653381e8038461689363c9541 (patch)
tree	25c351b121ff008ed7a73ee945dc1f2d28a025c1 /docs/en/cowboy/2.6/manual/cowboy_req.parse_cookies/index.html
parent	4ddd4e856a43c800227878c4b145aca15ce3f579 (diff)
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