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62 lines
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<title>CLiki: rfc2109</title>
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<span class="hidden">CLiki - rfc2109</span>
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<div id="content"><div id="content-area"><div id="article-title">rfc2109</div><div id="article">rfc2109 (aka cookies1) is a package for dealing with cookies in an <a href="RFC.html" class="category">RFC</a>-compliant way. This is often needed with <a href="Web.html" class="internal">Web</a> programming.<p>License: <a href="BSD.html" class="category">BSD</a> 3-Clause<p>Repository: <a href="https://gitlab.common-lisp.net/rfc2109/rfc2109">https://gitlab.common-lisp.net/rfc2109/rfc2109</a><p>Usage summary:
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<div class="code"><span class="nonparen"><span class="paren1">(<span class="nonparen">cookie1:cookie-string <span class="string">"mycookie"</span> <span class="string">"42"</span> <span class="keyword">:max-age</span> <span class="paren2">(<span class="nonparen"><a href="https://www.cliki.net/site/HyperSpec/Body/any_st.html" class="symbol">*</a> 6 24 60 60</span>)</span></span>)</span>
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<span class="paren1">(<span class="nonparen">cookie1:parse-cookies <span class="string">"thisis=</span><span class="string">\"</span><span class="string">an old netscape cookie</span><span class="string">\"</span><span class="string">"</span></span>)</span>
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<span class="paren1">(<span class="nonparen">cookie1:parse-cookies <span class="string">"$Version=1;thisis=</span><span class="string">\"</span><span class="string">An RFC 2109-style cookie</span><span class="string">\"</span><span class="string">;domain=</span><span class="string">\"</span><span class="string">fake.domain.name</span><span class="string">\"</span><span class="string">"</span></span>)</span></span></div><p>An <a href="araneida.html" class="internal">araneida</a> example is here: <a href="http://paste.lisp.org/display/10504">http://paste.lisp.org/display/10504</a><p>It parses old netscape cookies as well as <a href="RFC.html" class="category">RFC</a> <a href="https://www.ietf.org/rfc/rfc2109.txt">2109</a> cookies.<p>- <a href="Alan Shields.html" class="internal">Alan Shields</a><p><hr><p>The function cookie-string in this package does not accept a value of zero, even though RFC2109 says it should. Is this a bug or a feature?<p><hr><p>After receiving no reply from Alan, I'm putting up a separate <a href="https://arcocene.org/code/rfc2109/">darcs repo</a> that adds two things to the official one:<p><ul>
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<li>Allow zero max-age to allow expiring a cookie.
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</li>
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<li>Add Netscape's "Expires" attribute which some browsers require for
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setting a persistent cookie.
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</li>
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<li>Support parsing cookie values that contain equals signs ('='). Though against the spec, these exist in the wild, used in e.g. Google AdSense/Analytics.
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</li>
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</ul><p>There are no other changes. Ideally these changes would be merged to the main tree.<p>Sasha Kovar</div></div>
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