mirror of
https://github.com/Tygs/0bin.git
synced 2023-08-10 21:13:00 +03:00
198 lines
9.8 KiB
HTML
198 lines
9.8 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Introduction — 0bin 0.1 documentation</title>
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<link rel="stylesheet" href="../_static/default.css" type="text/css" />
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<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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<script type="text/javascript">
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var DOCUMENTATION_OPTIONS = {
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URL_ROOT: '../',
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VERSION: '0.1',
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COLLAPSE_INDEX: false,
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FILE_SUFFIX: '.html',
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HAS_SOURCE: true
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};
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</script>
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<script type="text/javascript" src="../_static/jquery.js"></script>
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<script type="text/javascript" src="../_static/underscore.js"></script>
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<script type="text/javascript" src="../_static/doctools.js"></script>
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<link rel="top" title="0bin 0.1 documentation" href="../index.html" />
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<link rel="next" title="Installation la plus simple" href="easy_install.html" />
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<link rel="prev" title="Theming" href="../en/theming.html" />
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</head>
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<body>
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<div class="related">
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<h3>Navigation</h3>
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<ul>
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<li class="right" style="margin-right: 10px">
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<a href="../genindex.html" title="General Index"
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accesskey="I">index</a></li>
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<li class="right" >
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<a href="easy_install.html" title="Installation la plus simple"
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accesskey="N">next</a> |</li>
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<li class="right" >
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<a href="../en/theming.html" title="Theming"
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accesskey="P">previous</a> |</li>
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<li><a href="../index.html">0bin 0.1 documentation</a> »</li>
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</ul>
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</div>
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<div class="document">
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<div class="documentwrapper">
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<div class="bodywrapper">
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<div class="body">
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<div class="section" id="introduction">
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<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h1>
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<p>0bin permet à tout à chacun d’héberge un pastebin tout en acceptant que n’importe
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quel type de contenu y soit posté. L’idée est qu’une personne ne peut (probablement...)
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pas être tenue de <a class="reference external" href="http://linuxfr.org/news/zerobin-un-pastebin-securise">modérer le contenu du pastebin</a> si elle n’a aucun moyen
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de le déchiffrer.</p>
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<p>C’est une implémentation en Python du <cite>projet zerobin</cite>, facile à installer même
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si on ne connait pas ce langage.</p>
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<div class="section" id="comment-ca-marche">
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<h2>Comment ça marche<a class="headerlink" href="#comment-ca-marche" title="Permalink to this headline">¶</a></h2>
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<p>A la création du paste:</p>
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<ul class="simple">
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<li>le navigateur génère une clé aléatoire;</li>
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<li>le contenu est chiffré avec une clé en utilisat AES256;</li>
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<li>le contenu chiffré est envoyé au serveur;</li>
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<li>le navigateur reçoit l’URL du paste et ajoute la clé dans le hash (#) de l’URL</li>
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</ul>
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<p>A la lecture du paste:</p>
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<ul class="simple">
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<li>le navigateur fait une requête GET avec l’URL du paste;</li>
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<li>puisque la clé est das le hash, la clé ne fait pas partie de la requête;</li>
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<li>le navigateur récupère le contenu chiffré et le déchiffre en utilisant la clé;</li>
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<li>le contenu est affiché en clair et le code coloré.</li>
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</ul>
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<p>Points clés:</p>
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<ul class="simple">
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<li>la clé n’est jamais envoyé au serveur car elle est stocké dans le hash;</li>
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<li>et donc la clé n’apparaitra pas dans les logs du serveur;</li>
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<li>toutes les opérations, y compris la coloration syntaxique, se font côté client;</li>
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<li>le serveur n’est rien d’autre d’un conteneur pour les données chiffrée.</li>
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</ul>
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</div>
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<div class="section" id="autres-fonctionalites">
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<h2>Autres fonctionalités<a class="headerlink" href="#autres-fonctionalites" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li>coloration syntaxique automatique (pas besoin de la spécifier);</li>
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<li>expiration du pastebin: 1 jour, 1 mois, jamais;</li>
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<li>autodesctruction: le paste est détruit à la première lecture;</li>
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<li>clone d’un paste: pas d’édition possible, mais on peut dupliquer un paste;</li>
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<li>upload du code: si le fichier est gros, on peut l’uploader d’un coup
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plutôt qu’utiliser le copier/coller;</li>
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<li>copier dans le presse papier tout le code en un click;</li>
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<li>raccourcir l’url du paste en un click;</li>
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<li>historique des ses propres pastes précédents;</li>
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<li>hash visuel du paste pour l’identifier facilement dans une liste.</li>
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</ul>
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</div>
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<div class="section" id="technologies-utilisees">
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<h2>Technologies utilisées<a class="headerlink" href="#technologies-utilisees" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li><a class="reference external" href="https://en.wikipedia.org/wiki/Python_(programming_language)">Python</a></li>
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<li><a class="reference external" href="http://bottlepy.org/">The Bottle Python Web microframework</a></li>
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<li><a class="reference external" href="http://crypto.stanford.edu/sjcl/">SJCL</a> (js crypto tools)</li>
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<li><a class="reference external" href="http://jquery.com/">jQuery</a></li>
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<li><a class="reference external" href="http://twitter.github.com/bootstrap/">Bootstrap</a>, the twitter HTML5/CSS3 framework</li>
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<li><a class="reference external" href="https://github.com/sametmax/VizHash.js">VizHash.js</a> to create visual hashes from pastes</li>
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<li><a class="reference external" href="http://www.cherrypy.org/(serveronly)">Cherrypy</a> (server only)</li>
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</ul>
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</div>
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<div class="section" id="problemes-connus">
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<h2>Problèmes connus<a class="headerlink" href="#problemes-connus" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li>0bin use several HTML5/CSS3 features that are not widely supported. In that case we handle the degradation as gracefully as we can.</li>
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<li>The “copy to clipboard” feature is buggy under linux. It’s flash, so we won’t fix it. Better wait for the HTML5 clipboard API to be implemented in major browsers.</li>
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<li>The pasted content size limit check is not accurate. It’s just a safety net, so we thinks it’s ok.</li>
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<li>Some url shorteners and other services storing URLs break the encryption key. We will sanitize the URL as much as we can, but there is a limit to what we can do.</li>
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</ul>
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</div>
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<div class="section" id="what-does-0bin-not-implement">
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<h2>What does 0bin not implement?<a class="headerlink" href="#what-does-0bin-not-implement" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li>Request throttling. It would be inefficient to do it at the app level, and web servers have robust implementations for it.</li>
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<li>Hash collision: the ratio “probability it happens/consequence seriousness” <a href=”<a class="reference external" href="http://stackoverflow.com/questions/201705/how-many-random-elements-before-md5-produces-collisions">http://stackoverflow.com/questions/201705/how-many-random-elements-before-md5-produces-collisions</a>“is not worth it</a</li>
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<li>Comments: it was initially planed. But comes with a lot of issues so we chose to focus on lower handing fruits.</li>
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</ul>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="sphinxsidebar">
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<div class="sphinxsidebarwrapper">
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<h3><a href="../index.html">Table Of Contents</a></h3>
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<ul>
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<li><a class="reference internal" href="#">Introduction</a><ul>
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<li><a class="reference internal" href="#comment-ca-marche">Comment ça marche</a></li>
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<li><a class="reference internal" href="#autres-fonctionalites">Autres fonctionalités</a></li>
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<li><a class="reference internal" href="#technologies-utilisees">Technologies utilisées</a></li>
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<li><a class="reference internal" href="#problemes-connus">Problèmes connus</a></li>
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<li><a class="reference internal" href="#what-does-0bin-not-implement">What does 0bin not implement?</a></li>
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</ul>
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</li>
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</ul>
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<h4>Previous topic</h4>
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<p class="topless"><a href="../en/theming.html"
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title="previous chapter">Theming</a></p>
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<h4>Next topic</h4>
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<p class="topless"><a href="easy_install.html"
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title="next chapter">Installation la plus simple</a></p>
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<h3>This Page</h3>
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<ul class="this-page-menu">
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<li><a href="../_sources/fr/intro.txt"
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rel="nofollow">Show Source</a></li>
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</ul>
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<div id="searchbox" style="display: none">
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<h3>Quick search</h3>
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<form class="search" action="../search.html" method="get">
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<input type="text" name="q" />
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<input type="submit" value="Go" />
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<input type="hidden" name="check_keywords" value="yes" />
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<input type="hidden" name="area" value="default" />
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</form>
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<p class="searchtip" style="font-size: 90%">
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Enter search terms or a module, class or function name.
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</p>
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</div>
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<script type="text/javascript">$('#searchbox').show(0);</script>
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</div>
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</div>
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<div class="clearer"></div>
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</div>
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<div class="related">
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<h3>Navigation</h3>
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<ul>
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<li class="right" style="margin-right: 10px">
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<a href="../genindex.html" title="General Index"
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>index</a></li>
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<li class="right" >
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<a href="easy_install.html" title="Installation la plus simple"
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>next</a> |</li>
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<li class="right" >
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<a href="../en/theming.html" title="Theming"
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>previous</a> |</li>
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<li><a href="../index.html">0bin 0.1 documentation</a> »</li>
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</ul>
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</div>
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<div class="footer">
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© Copyright 2012, Sam et Max.
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Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.3.
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</div>
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</body>
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</html>
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