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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">ClamAV antivirus linux</h1></header></div><meta itemprop="headline" content="ClamAV antivirus linux"><div class="article__info clearfix"><ul class="left-col menu"><li>
2024-11-08 14:10:33 +01:00
<a class="button button--secondary button--pill button--sm" style="color:#00FFFF" href="/archive.html?tag=antivirus">antivirus</a>
2024-10-31 20:18:37 +01:00
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">19&nbsp;août&nbsp;&nbsp;2022</span></li></ul></div><meta itemprop="datePublished" content="2022-08-19T00:00:00+02:00">
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<summary><b>Afficher/cacher Sommaire</b></summary>
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<div class="toc-aside js-toc-root"></div>
</details><p><img src="/images/ClamAVLogo_med.png" alt="" /></p>
<h2 id="antivirus-clamav">Antivirus ClamAV</h2>
<p><em>ClamAV est un logiciel antivirus qui permet à ces utilisateurs de scanner tous les fichiers présents sur lappareil. Il permet dexécuter des programmes en arrière plan de manière rapide et efficace. ClamAV met également à jour les différentes signatures des virus présents sur la toile. ClamAV dispose dune base de signature extraordinaire avec plus de 150 000 signatures référencées, rendant la protection contre les virus bien plus efficace.</em></p>
<h3 id="installation">Installation</h3>
<p>Créer un compte de service ClamAV</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>useradd -r -M -d /var/lib/clamav -s /bin/false -c "Clam Antivirus" clamav
</code></pre></div></div>
<p><a href="https://docs.clamav.net/manual/Installing.html#deb-packages-for-debian-ubuntu-mint-etc">Installation sur debian</a> , liste des applications compilées <a href="https://www.clamav.net/downloads">https://www.clamav.net/downloads</a><br />
<img src="/images/clamav003.png" alt="" /><br />
Téléchargement du deb</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>wget https://www.clamav.net/downloads/production/clamav-0.105.1.linux.x86_64.deb
sudo dpkg -i clamav-0.105.1.linux.x86_64.deb
</code></pre></div></div>
<p>Vérification paquet installé</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt info clamav
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Package: clamav
Version: 0.105.1-1
Status: install ok installed
Priority: optional
Section: devel
Maintainer: https://www.clamav.net/
Installed-Size: 80.0 MB
Download-Size: unknown
APT-Manual-Installed: yes
APT-Sources: /var/lib/dpkg/status
Description: ClamAV open source email, web, and end-point anti-virus toolkit.
Package: clamav
Version: 0.103.6+dfsg-0+deb11u1
Priority: optional
Section: utils
Maintainer: ClamAV Team &lt;pkg-clamav-devel@lists.alioth.debian.org&gt;
Installed-Size: 794 kB
Depends: clamav-freshclam (&gt;= 0.103.6+dfsg) | clamav-data, libc6 (&gt;= 2.28), libclamav9 (&gt;= 0.103.6), libcurl4 (&gt;= 7.16.2), libjson-c5 (&gt;= 0.15), libssl1.1 (&gt;= 1.1.0), zlib1g (&gt;= 1:1.2.3.3)
Recommends: clamav-base
Suggests: libclamunrar, clamav-docs
Homepage: https://www.clamav.net/
Tag: implemented-in::c, interface::commandline, role::program,
scope::utility, security::antivirus, use::scanning, works-with::file,
works-with::mail
Download-Size: 181 kB
APT-Sources: http://debian.mirror.serveriai.lt/debian bullseye/main amd64 Packages
Description: anti-virus utility for Unix - command-line interface
Clam AntiVirus is an anti-virus toolkit for Unix. The main purpose of
this software is the integration with mail servers (attachment
scanning). The package provides a flexible and scalable
multi-threaded daemon in the clamav-daemon package, a command-line
scanner in the clamav package, and a tool for automatic updating via
the Internet in the clamav-freshclam package. The programs are based
on libclamav, which can be used by other software.
.
This package contains the command line interface. Features:
- built-in support for various archive formats, including Zip, Tar,
Gzip, Bzip2, OLE2, Cabinet, CHM, BinHex, SIS and others;
- built-in support for almost all mail file formats;
- built-in support for ELF executables and Portable Executable files
compressed with UPX, FSG, Petite, NsPack, wwpack32, MEW, Upack and
obfuscated with SUE, Y0da Cryptor and others;
- built-in support for popular document formats including Microsoft
Office and Mac Office files, HTML, RTF and PDF.
.
For scanning to work, a virus database is needed. There are two options
for getting it:
- clamav-freshclam: updates the database from Internet. This is
recommended with Internet access.
- clamav-data: for users without Internet access. The package is
not updated once installed. The clamav-getfiles package allows
creating custom packages from an Internet-connected computer.
</code></pre></div></div>
<p>Une installation par défaut à partir des sources placera les exemples de configuration dans <code class="language-plaintext highlighter-rouge">/usr/local/etc/</code> sur les systèmes Unix/Linux<br />
<img src="/images/clamav004.png" alt="" /></p>
<h3 id="configuration-de-clamav">Configuration de ClamAV</h3>
<p>Une fois linstallation terminée, vous devez configurer ClamAV.</p>
<ul>
<li><strong>freshclam.conf</strong> nécessaire pour FreshClam</li>
<li><strong>clamd.conf</strong> requis par ClamD</li>
</ul>
<p>ClamAV stocke les configurations dans <a href="URL">/usr/local/etc/</a><br />
<strong>/usr/local/etc/freshclam.conf</strong></p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cat</span> <span class="o">&gt;</span> /usr/local/etc/freshclam.conf <span class="o">&lt;&lt;</span> <span class="sh">'</span><span class="no">EOL</span><span class="sh">'
DatabaseOwner clamav
UpdateLogFile /var/log/clamav/freshclam.log
LogVerbose false
LogSyslog false
LogFacility LOG_LOCAL6
LogFileMaxSize 0
LogRotate true
LogTime true
Foreground false
Debug false
MaxAttempts 5
DatabaseDirectory /var/lib/clamav
DNSDatabaseInfo current.cvd.clamav.net
ConnectTimeout 30
ReceiveTimeout 0
TestDatabases yes
ScriptedUpdates yes
CompressLocalDatabase no
Bytecode true
NotifyClamd /usr/local/etc/clamd.conf
Checks 24
DatabaseMirror db.local.clamav.net
DatabaseMirror database.clamav.net
</span><span class="no">EOL
</span></code></pre></div></div>
<p><strong>/usr/local/etc/clamd.conf</strong></p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cat</span> <span class="o">&gt;</span> /usr/local/etc/clamd.conf <span class="o">&lt;&lt;</span> <span class="sh">'</span><span class="no">EOL</span><span class="sh">'
LocalSocket /var/run/clamav/clamd.ctl
FixStaleSocket true
LocalSocketGroup clamav
LocalSocketMode 666
User clamav
ScanMail true
ScanArchive true
ArchiveBlockEncrypted false
MaxDirectoryRecursion 15
FollowDirectorySymlinks false
FollowFileSymlinks false
ReadTimeout 180
MaxThreads 12
MaxConnectionQueueLength 15
LogSyslog false
LogRotate true
LogFacility LOG_LOCAL6
LogClean false
LogVerbose false
PreludeEnable no
PreludeAnalyzerName ClamAV
DatabaseDirectory /var/lib/clamav
OfficialDatabaseOnly false
SelfCheck 3600
Foreground false
Debug false
ScanPE true
MaxEmbeddedPE 10M
ScanOLE2 true
ScanPDF true
ScanHTML true
MaxHTMLNormalize 10M
MaxHTMLNoTags 2M
MaxScriptNormalize 5M
MaxZipTypeRcg 1M
ScanSWF true
ExitOnOOM false
LeaveTemporaryFiles false
AlgorithmicDetection true
ScanELF true
IdleTimeout 30
CrossFilesystems true
PhishingSignatures true
PhishingScanURLs true
PhishingAlwaysBlockSSLMismatch false
PhishingAlwaysBlockCloak false
PartitionIntersection false
DetectPUA false
ScanPartialMessages false
HeuristicScanPrecedence false
StructuredDataDetection false
CommandReadTimeout 30
SendBufTimeout 200
MaxQueue 100
ExtendedDetectionInfo true
OLE2BlockMacros false
AllowAllMatchScan true
ForceToDisk false
DisableCertCheck false
DisableCache false
MaxScanTime 120000
MaxScanSize 100M
MaxFileSize 25M
MaxRecursion 16
MaxFiles 10000
MaxPartitions 50
MaxIconsPE 100
PCREMatchLimit 10000
PCRERecMatchLimit 5000
PCREMaxFileSize 25M
ScanXMLDOCS true
ScanHWP3 true
MaxRecHWP3 16
StreamMaxLength 25M
LogFile /var/log/clamav/clamav.log
LogTime true
LogFileUnlock false
LogFileMaxSize 0
Bytecode true
BytecodeSecurity TrustSigned
BytecodeTimeout 60000
OnAccessMaxFileSize 5M
</span><span class="no">EOL
</span></code></pre></div></div>
<p>Créer les répertoires log, database et socket pour <strong>FreshClam</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>mkdir -p /var/log/clamav/ /var/lib/clamav /var/run/clamav/
</code></pre></div></div>
<p>Définir la propriété du journal, de la base de données et des répertoires de socket à lutilisateur <em>clamav</em></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>chown clamav: /var/log/clamav/ /var/lib/clamav /var/run/clamav/
</code></pre></div></div>
<h3 id="bases-antivirales-clamav">Bases antivirales ClamAV</h3>
<p>Pour que lanalyse fonctionne, vous avez besoin dune base de données ClamAV virale à jour.<br />
<strong>clamav-freshclam</strong> met à jour la base de données depuis Internet.</p>
<p>Mise à jour de la base de données des signatures avec <strong>clamav-freshclam</strong><br />
Si vous disposez dun accès à Internet, vous pouvez utiliser <strong>clamav-freshclam</strong> pour mettre à jour la base de données des signatures de virus ClamAV.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo -u clamav freshclam
</code></pre></div></div>
<p>La commande tirera les mises à jour de la base de données et vous pourriez obtenir une sortie similaire à celle ci-dessous. <br />
<img src="/images/clamav002.png" alt="" /><br />
<strong>freshclam</strong> télécharge les bases de données ClamAV, CVDs, et les place sous, <code class="language-plaintext highlighter-rouge">/var/lib/clamav/</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ls -1 /var/lib/clamav/
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>bytecode.cvd
daily.cvd
freshclam.dat
main.cvd
</code></pre></div></div>
<p>Créer le service FreshClam</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cat</span> <span class="o">&gt;</span> /etc/systemd/system/clamav-freshclam.service <span class="o">&lt;&lt;</span> <span class="no">EOL</span><span class="sh">
[Unit]
Description=ClamAV virus database updater
Documentation=man:freshclam(1) man:freshclam.conf(5) https://www.clamav.net/documents
# If user wants it run from cron, don't start the daemon.
ConditionPathExists=!/etc/cron.d/clamav-freshclam
Wants=network-online.target
After=network-online.target
[Service]
User=clamav
Group=clamav
ExecStart=/usr/local/bin/freshclam -d --foreground=true
StandardOutput=syslog
[Install]
WantedBy=multi-user.target
</span><span class="no">EOL
</span></code></pre></div></div>
<p>Créer et démarrer le service ClamAV daemon</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cat</span> <span class="o">&gt;</span> /etc/systemd/system/clamav-daemon.service <span class="o">&lt;&lt;</span> <span class="no">EOL</span><span class="sh">
[Unit]
Description=Clam AntiVirus userspace daemon
Documentation=man:clamd(8) man:clamd.conf(5) https://www.clamav.net/documents/
# Check for database existence
ConditionPathExistsGlob=/var/lib/clamav/main.{c[vl]d,inc}
ConditionPathExistsGlob=/var/lib/clamav/daily.{c[vl]d,inc}
[Service]
User=clamav
Group=clamav
ExecStart=/usr/local/sbin/clamd --foreground=true
# Reload the database
ExecReload=/bin/kill -USR2 </span><span class="nv">$MAINPID</span><span class="sh">
StandardOutput=syslog
TimeoutStartSec=420
[Install]
WantedBy=multi-user.target
</span><span class="no">EOL
</span></code></pre></div></div>
<p>Rechargez le démon systemd et assurez-vous que les services sont activés pour être exécutés au démarrage du système.</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>systemctl daemon-reload
systemctl <span class="nb">enable</span> <span class="nt">--now</span> clamav-daemon
systemctl <span class="nb">enable</span> <span class="nt">--now</span> clamav-freshclam
</code></pre></div></div>
<p>Modifier la période de mise à jour des bases antivirales dans le fichier de config <strong>/usr/local/etc/freshclam.conf</strong><br />
La ligne à modifier</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Checks 24
</code></pre></div></div>
<p>Le nombre correspond aux nombres de mises à jour quotidien. Dans la config de base, 24 fois par jour soit une fois toutes les heures.<br />
Vous pouvez réduire à 5 fois par jour soit une fois toutes les 6 heures.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Checks 5
</code></pre></div></div>
<h3 id="clamav-scan-antivirus-manuel">ClamAV scan antivirus manuel</h3>
<p>Options de linterface CLI Clamscan et exemples dutilisation</p>
<p>Clamscan est utilisé pour analyser les fichiers et les répertoires à la recherche de virus. Daprès les pages du manuel, la syntaxe de la commande clamscan est la suivante :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan [options] [file/directory/-]
</code></pre></div></div>
<p>Certaines des options de la commande clamscan et leur exemple dutilisation sont illustrés ci-dessous<br />
Afficher des informations daide en utilisant loption -h ou help</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -h
</code></pre></div></div>
<blockquote>
<p>Note : Les options marquées avec [=yes/no(*)] peuvent être optionnellement suivies par =yes ou =no. Si elles sont appelées sans largument booléen, lanalyseur supposera yes. Lastérisque indique le paramètre interne par défaut pour une option donnée.</p>
</blockquote>
<p>Analyser un répertoire ou un fichier spécifique ;</p>
<p>clamscan /home/</p>
<p>→ résultats<br />
<img src="/images/clamav005.png" alt="" /></p>
<p>Ne pas afficher de résumé à la fin de lanalyse.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan --no-summary /home/
</code></pre></div></div>
<p>Afficher uniquement les fichiers infectés (-i, infected);</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -i /
</code></pre></div></div>
<p>Ignorer affichage des fichiers OK (-o, suppress-ok-results);</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -o /home/
</code></pre></div></div>
<p>Déclencher un son lors de la détection dun virus (bell);</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan --bell -i /home
</code></pre></div></div>
<p>Analyse récursivement les répertoires (-r, recursive).</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan --bell -i -r /home
</code></pre></div></div>
<p>Enregistrer le rapport danalyse dans un FICHIER (-l FICHIER, log=FICHIER);</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan --bell -i -r /home -l home-scan.txt
</code></pre></div></div>
<p>Analyse les fichiers listés ligne par ligne dans le FICHIER (-f FICHIER, file-list=FICHIER).</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -i -f /tmp/scan
</code></pre></div></div>
<p>Suppression des fichiers infectés (remove[=yes/no(*)]). PRUDENCE car cela supprime complètement le fichier.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -r --remove /home/USER
</code></pre></div></div>
<p>Déplacer les fichiers infectés dans le DIRECTORY (move=DIRECTORY). Le répertoire doit être accessible en écriture pour lutilisateur ou lutilisateur non privilégié qui exécute clamscan.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -r -i --move=/home/USER/infected /home/
</code></pre></div></div>
<p>Copie les fichiers infectés dans le DIRECTORY (copy=DIRECTORY). Le répertoire doit être accessible en écriture pour lutilisateur ou lutilisateur non privilégié qui exécute clamscan.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>clamscan -r -i --copy=/home/USER/infected /home/
</code></pre></div></div>
<h3 id="clamav-scan-antivirus-automatique">ClamAV scan antivirus automatique</h3>
<p>Pour mettre en place un scan automatique, configuration via cron (Cron étant les taches planifiées de votre serveur).</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>crontab -e # en mode root
</code></pre></div></div>
<p>Pour configurer, par exemple, un scan quotidien à 23H00 sur le home de lutilisateur debian , ajoutez à la fin du fichier la ligne suivante</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>00 23 * * * clamscan -i -r /home/debian
</code></pre></div></div>
<h3 id="codes-de-retour-clamav">Codes de retour ClamAV</h3>
<p>Voici les codes de retour de sortie de ClamAV.</p>
<ul>
<li>0 : Aucun virus trouvé.</li>
<li>1 : Virus trouvé(s).</li>
<li>2 : Une ou plusieurs erreurs se sont produites.</li>
</ul>
<h3 id="limiter-utilisation-processeur--par-clamscan">Limiter utilisation processeur par Clamscan</h3>
<p>clamscan peut être gourmand en ressources CPU, surtout sil analyse un grand répertoire.<br />
Pour limiter le temps CPU de clamscan à certains niveaux, vous pouvez utiliser deux outils</p>
<ol>
<li><strong>nice</strong> : réduit la priorité de clamscan (limite le temps CPU relatif).</li>
<li><strong>cpulimit</strong> : limite le temps processeur absolu.</li>
</ol>
<p>Pour utiliser la commande <strong>nice</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nice -n 15 clamscan &amp;&amp; clamscan -ir /
</code></pre></div></div>
<p>Tant quaucun autre processus ne demande de temps cpu, clamscan le maximisera. Mais dès quun autre processus avec une priorité plus élevée aura besoin de cputime, clamscan le perdra.</p>
<p>En utilisant <strong>cpulimit</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cpulimit -z -e clamscan -l 20 &amp; clamscan -ir /
</code></pre></div></div>
<p>Limite le temps cpu de clamscan à 15% lors de lanalyse du répertoire racine entier.</p>
</div>
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function modal(options) {
var $root = this, visible, onChange, hideWhenWindowScroll = false;
var scrollTop;
function setOptions(options) {
var _options = options || {};
visible = _options.initialVisible === undefined ? false : show;
onChange = _options.onChange;
hideWhenWindowScroll = _options.hideWhenWindowScroll;
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setState(visible);
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$pageMain.scrollTop(scrollTop);
activeCount === 1 && ($pageRoot.addClass('show-modal'), $body.addClass('of-hidden'));
hideWhenWindowScroll && window.hasEvent('touchstart') && $window.on('scroll', hide);
$window.on('keyup', handleKeyup);
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$root.removeClass('modal--show');
$window.scrollTop(scrollTop);
activeCount === 0 && ($pageRoot.removeClass('show-modal'), $body.removeClass('of-hidden'));
hideWhenWindowScroll && window.hasEvent('touchstart') && $window.off('scroll', hide);
$window.off('keyup', handleKeyup);
}
onChange && onChange(visible);
}
function show() {
setState(true);
}
function hide() {
setState(false);
}
function handleKeyup(e) {
// Char Code: 27 ESC
if (e.which === 27) {
hide();
}
}
setOptions(options);
init();
return {
show: show,
hide: hide,
$el: $root
};
}
$.fn.modal = modal;
});
})();
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(function () {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
// search panel
var search = (window.search || (window.search = {}));
var useDefaultSearchBox = window.useDefaultSearchBox === undefined ?
true : window.useDefaultSearchBox ;
var $searchModal = $('.js-page-search-modal');
var $searchToggle = $('.js-search-toggle');
var searchModal = $searchModal.modal({ onChange: handleModalChange, hideWhenWindowScroll: true });
var modalVisible = false;
search.searchModal = searchModal;
var $searchBox = null;
var $searchInput = null;
var $searchClear = null;
function getModalVisible() {
return modalVisible;
}
search.getModalVisible = getModalVisible;
function handleModalChange(visible) {
modalVisible = visible;
if (visible) {
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useDefaultSearchBox && $searchInput[0] && $searchInput[0].focus();
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useDefaultSearchBox && $searchInput[0] && $searchInput[0].blur();
setTimeout(function() {
useDefaultSearchBox && ($searchInput.val(''), $searchBox.removeClass('not-empty'));
search.clear && search.clear();
window.pageAsideAffix && window.pageAsideAffix.refresh();
}, 400);
}
}
$searchToggle.on('click', function() {
modalVisible ? searchModal.hide() : searchModal.show();
});
// Char Code: 83 S, 191 /
$(window).on('keyup', function(e) {
if (!modalVisible && !window.isFormElement(e.target || e.srcElement) && (e.which === 83 || e.which === 191)) {
modalVisible || searchModal.show();
}
});
if (useDefaultSearchBox) {
$searchBox = $('.js-search-box');
$searchInput = $searchBox.children('input');
$searchClear = $searchBox.children('.js-icon-clear');
search.getSearchInput = function() {
return $searchInput.get(0);
};
search.getVal = function() {
return $searchInput.val();
};
search.setVal = function(val) {
$searchInput.val(val);
};
$searchInput.on('focus', function() {
$(this).addClass('focus');
});
$searchInput.on('blur', function() {
$(this).removeClass('focus');
});
$searchInput.on('input', window.throttle(function() {
var val = $(this).val();
if (val === '' || typeof val !== 'string') {
search.clear && search.clear();
} else {
$searchBox.addClass('not-empty');
search.onInputNotEmpty && search.onInputNotEmpty(val);
}
}, 400));
$searchClear.on('click', function() {
$searchInput.val(''); $searchBox.removeClass('not-empty');
search.clear && search.clear();
});
}
});
})();
</script><div class="search search--dark">
<div class="main">
<div class="search__header">Recherche</div>
<div class="search-bar">
<div class="search-box js-search-box">
<div class="search-box__icon-search"><i class="fas fa-search"></i></div>
<input id="search-input" type="text" />
<div class="search-box__icon-clear js-icon-clear">
<a><i class="fas fa-times"></i></a>
</div>
</div>
<button class="button button--theme-dark button--pill search__cancel js-search-toggle">
Annuler</button>
</div>
<div id="results-container" class="search-result js-search-result"></div>
</div>
</div>
<!-- Script pointing to search-script.js -->
<script>/*!
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
(function(){
'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
options.middleware = function () {}
function setOptions (_options) {
options.pattern = _options.pattern || options.pattern
options.template = _options.template || options.template
if (typeof _options.middleware === 'function') {
options.middleware = _options.middleware
}
}
function compile (data) {
return options.template.replace(options.pattern, function (match, prop) {
const value = options.middleware(prop, data[prop], options.template)
if (typeof value !== 'undefined') {
return value
}
return data[prop] || match
})
}
'use strict';
function fuzzysearch (needle, haystack) {
var tlen = haystack.length;
var qlen = needle.length;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
return needle === haystack;
}
outer: for (var i = 0, j = 0; i < qlen; i++) {
var nch = needle.charCodeAt(i);
while (j < tlen) {
if (haystack.charCodeAt(j++) === nch) {
continue outer;
}
}
return false;
}
return true;
}
var _$fuzzysearch_1 = fuzzysearch;
'use strict'
/* removed: const _$fuzzysearch_1 = require('fuzzysearch') */;
var _$FuzzySearchStrategy_5 = new FuzzySearchStrategy()
function FuzzySearchStrategy () {
this.matches = function (string, crit) {
return _$fuzzysearch_1(crit.toLowerCase(), string.toLowerCase())
}
}
'use strict'
var _$LiteralSearchStrategy_6 = new LiteralSearchStrategy()
function LiteralSearchStrategy () {
this.matches = function (str, crit) {
if (!str) return false
str = str.trim().toLowerCase()
crit = crit.trim().toLowerCase()
return crit.split(' ').filter(function (word) {
return str.indexOf(word) >= 0
}).length === crit.split(' ').length
}
}
'use strict'
var _$Repository_4 = {
put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
}
/* removed: const _$FuzzySearchStrategy_5 = require('./SearchStrategies/FuzzySearchStrategy') */;
/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
function NoSort () {
return 0
}
const data = []
let opt = {}
opt.fuzzy = false
opt.limit = 10
opt.searchStrategy = opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = NoSort
opt.exclude = []
function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len; i++) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length && matches.length < opt.limit; i++) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) && strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len; i++) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 && xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
if (!validateParams(params)) {
throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' && params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object && JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '<li><a href="{url}" title="{desc}">{title}</a></li>',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' && options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len; i++) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query && query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
</script>
<!-- Configuration -->
<script>
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '<p>Aucun résultat!</p>',
json: '/search.json',
searchResultTemplate: '<li><a href="{url}">{date}&nbsp;{title}</a>&nbsp;(Création {create})</li>'
})
</script>
</div></div>
<script>(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback && callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
var _options = options || {};
_options.offsetBottom && (offsetBottom = _options.offsetBottom);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroll && (scroll = _options.scroll);
_options.disabled !== undefined && (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc && preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
}
}
function setState() {
var scrollTop = $scrollTarget.scrollTop();
if (scrollTop >= rootTop && scrollTop <= scrollBottom) {
fixed();
} else if (scrollTop < rootTop) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
var interval, timeout;
calc(true); setState();
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('<ul class="toc toc--ellipsis"></ul>'), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors && (selectors = _options.selectors);
_options.container && (container = _options.container);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroller && (scroller = _options.scroller);
_options.disabled !== undefined && (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1) { return; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length; i++) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast && $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('<li></li>').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('<a></a>').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
</script><script>
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc && toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix && affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
</script><!---->
</div>
<script>(function () {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
</script>
</body>
</html>