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yannstatic/static/2019/02/13/Serveur-Proxy-Transparent-pour-faire-du-Reverse-Engineering.html

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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"><title>Serveur Proxy Transparent pour faire du Reverse Engineering (Squid) - YannStatic</title>
<meta name="description" content="Utiliser un serveur Proxy Transparent pour faire du Reverse Engineering">
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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Serveur Proxy Transparent pour faire du Reverse Engineering (Squid)</h1></header></div><meta itemprop="headline" content="Serveur Proxy Transparent pour faire du Reverse Engineering (Squid)"><div class="article__info clearfix"><ul class="left-col menu"><li>
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</details><h2 id="utiliser-un-serveur-proxy-transparent-pour-faire-du-reverse-engineering">Utiliser un serveur Proxy Transparent pour faire du Reverse Engineering</h2>
<p>Largement inspiré de l’excellent article <a href="https://dyrk.org/2019/02/03/securite-utiliser-un-serveur-proxy-transparent-pour-faire-du-reverse-engineering/">{Securité} Utiliser un serveur Proxy Transparent pour faire du Reverse Engineering</a><br />
Posté par <strong>Dyrk</strong> le 03/02/2019</p>
<p><img src="/images/Squid-proxy-server.png" alt="" width="400" /></p>
<h3 id="un-proxy-quest-ce-que-cest-">Un proxy qu’est-ce que c’est ?</h3>
<p><img src="/images/Proxy_concept_fr.svg" alt="" /></p>
<p>Un serveur proxy (appelé aussi serveur mandataire en français) est, dans le cadre des réseaux et d’internet, est une machine qui fait l’intermédiaire entre votre matériel (ordinateur, smartphone, tablette…) et internet.</p>
<p>La principale conséquence de son utilisation : l’utilisation et donc l’affichage de l’adresse IP du proxy et non celle du périphérique utilisé, ce qui permet de surfer anonymement (ou presque) sur le web.
Car contrairement à ce que certains peuvent penser, vous n’êtes pas anonyme sur internet, il est très facile de suivre votre navigation sur internet en traçant votre adresse IP…</p>
<p>Pour utiliser un serveur proxy, il faut configurer son navigateur ou son ordinateur ou alors utiliser un <strong>proxy web</strong> c’est-à-dire un site web qui va vous permettre de naviguer sur d’autres sites à partir de ce site.<br />
Cette deuxième solution est bien sûr la plus facile à mettre en œuvre puisqu’il suffit juste de se rendre sur un site et de surfer sur le web via ce site, il n’y a pas de compétence technique particulière à avoir ou de configuration de son navigateur à effectuer.</p>
<h3 id="proxies-directs-et-inverse">Proxies directs et inverse</h3>
<p>Les <strong>mandataires directs</strong> envoient les demandes d’un client à un serveur Web. Les utilisateurs accèdent à ces mandataires en naviguant directement jusqu’à leur adresse sur le Web ou en configurant leurs paramètres Internet. Les mandataires directs permettent de contourner les pare-feu et renforcent la confidentialité et la sécurité d’un utilisateur, mais servent parfois à télécharger des contenus illégaux.</p>
<p>Un proxy inverse ou <strong>mandataire inverse</strong> (reverse proxy) est un type de serveur, habituellement placé en frontal de serveurs web. Contrairement au serveur proxy qui permet à un utilisateur d’accéder au réseau Internet, le proxy inverse permet à un utilisateur d’Internet d’accéder à des serveurs internes.</p>
<p><img src="/images/Reverse_proxy_h2g2bob.svg" alt="" /></p>
<p>Des <strong>mandataires inverses</strong> sont utilisés dans les cas suivants :</p>
<ul>
<li><strong>Contourner les interdictions</strong> : permettre un accès indirect lorsqu’un site Web interdit les connexions directes par mesure de sécurité</li>
<li><strong>Filtrer des sites et des utilisateurs</strong> : Un Proxy permettra d’autoriser ou d’interdire certaines personnes de s’y connecter.</li>
<li><strong>Se rendre anonyme (partiellement)</strong> : Un proxy se connecte à votre place, vous pouvez donc l’utiliser pour vous anonymiser (partiellement). Lorsque je me connecte sur un site, celui-ci a des informations sur ma connexion (<strong>mon ip par exemple</strong>), il pourrait savoir d’où je me connecte par exemple, quel est mon <strong>FAI</strong> (Fournisseur d’Accès Internet), … Un Proxy camouflerait tout ça, par ses propres informations.</li>
<li><strong>Permettre l’accès à certains services</strong> : Un proxy va permettre de vous connecter sur certaines machines qui interdisent toutes connexions autres que provenant de celui-ci. Ainsi vous pourrez dire, je ne veux que personne ne puisse se connecter sur ce serveur, sauf si les utilisateurs passent par le proxy.</li>
<li>pour permettre l’équilibrage de la charge entre serveurs, la répartition de charge (load-balancing)</li>
<li>pour diffuser du contenu interne en flux auprès d’utilisateurs Internet</li>
<li>pour désactiver l’accès à un site, par exemple lorsqu’un fournisseur d’accès ou un gouvernement souhaite bloquer un site Web.</li>
</ul>
<blockquote>
<p>La <strong>principale différence entre un proxy direct (ou explicite) et un proxy transparent</strong> est qu’un proxy direct est connu de l’application, qui réalise qu’il s’agit d’un proxy et non du serveur de destination, alors que le mode proxy transparent est un modèle d’interception et nécessite moins de changements à mettre en œuvre sur le terminal. Les applications pensent qu’elles vont directement vers la destination mais, en réalité, un service réseau redirige le trafic vers le proxy, qui l’achemine ensuite vers sa destination.</p>
</blockquote>
<h3 id="trouver-des-failles-dans-des-applications-à-laide-dun-proxy-">Trouver des failles dans des applications à l’aide d’un proxy !</h3>
<p>Il s’agit de trouver des failles dans une application.<br />
Lorsque vous utiliser un proxy, celui-ci voit de manière
transparente, tout ce que vous faites (<em>excepté pour les sites en HTTPS
…</em>) !<br />
Un proxy voit donc toutes vos requêtes, et peut récupérer au passage vos
cookies … il est donc primordial de ne pas utiliser n’importe quel
proxy que vous trouverez sur internet si vous souhaitez vous connecter
sur des sites avec des informations confidentielles (<em>votre messagerie,
vos réseaux sociaux, le cloud …</em>)</p>
<h4 id="analyser-les-requêtes">Analyser les requêtes</h4>
<p>Ayant eu chez moi un peu de Windows, j’ai eu recourt parfois à des
antivirus payant.<br />
A cette époque, comme beaucoup de personne, je récupérais des licences
publiées à la sauvette sur des pages Facebook ou des sites internet un
peu louche …<br />
J’ai fini par prendre le temps d’analyser un peu le fonctionnement de
cet antivirus.<br />
Faire ce que l’on appelle de l’ingénierie inversée ou “Reverse
Engineering”.<br />
Notamment en analysant les requêtes que l’antivirus échangeait avec un
serveur lors d’une première installation ! Car c’est à ce moment-là
que l’antivirus générait une licence d’essai …</p>
<p><img src="/images/proxy-001.png" alt="" width="600" /></p>
<p>Grâce au proxy j’ai pu visualiser ce que l’antivirus envoyait comme
information au serveur … pour générer la licence.<br />
Cela m’a permis d’automatiser la génération de licences… une sorte
de “KeyGen” (<strong>Générateur de clés</strong>)<br />
Comme je le dis souvent n’installez pas de crack … et encore moins
pour un antivirus …</p>
<h3 id="installer--configurer-un-proxy-squid-proxy-pour-faire-de-lanalyse-de-requête-">Installer / Configurer un Proxy “Squid Proxy” pour faire de l’analyse de requête !</h3>
<p>Sur votre serveur en tant qu’utilisateur “root”, je vous invite à
copier ceci dans votre terminal :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>echo "1" &gt; /proc/sys/net/ipv4/ip_forward
apt-get install openssl gcc devscripts build-essential libssl-dev
wget https://github.com/saucelabs/squid3/archive/master.zip
unzip master.zip
cd squid3-master
./configure --prefix=/usr/local/squid --enable-icap-client --enable-ssl --enable-ssl-crtd --with-default-user=squid --with-openssl
make all
make install
useradd squid
chown -R squid:squid /usr/local/squid/var/logs/
cd /usr/local/squid
mkdir ssl_cert
cd ssl_cert
openssl genrsa -out example.com.private 2048
openssl req -new -key example.com.private -out example.com.csr
</code></pre></div></div>
<blockquote>
<p>L’opération prend une bonne dizaine de minutes…</p>
</blockquote>
<p>Normalement à la fin vous devriez être invité à répondre à un petit
formulaire, avec des questions basiques (votre pays, ville, entreprise,
…) vous n’êtes pas obligé de mettre de véritables informations ;)<br />
Lorsque vous aurez terminé de remplir ce formulaire, poursuivez avec ces
commandes :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>openssl x509 -req -days 3652 -in example.com.csr -signkey example.com.private -out example.com.cert
mkdir /usr/local/squid/var/lib
/usr/local/squid/libexec/ssl_crtd -c -s /usr/local/squid/var/lib/ssl_db -M 4MB
chown -R squid:squid /usr/local/squid/var/lib/ssl_db/
iptables -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
iptables -t nat -A PREROUTING -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 3127
iptables -I INPUT -p tcp -m tcp --dport 3127 -j ACCEPT
</code></pre></div></div>
<p>À partir de là, vous avez un proxy Squid qui fonctionne.<br />
Mais il n’est pas encore configuré !</p>
<p>Il vous suffit de remplacer le contenu du fichier
<strong>/usr/local/squid/squid.conf</strong> par :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>strip_query_terms off
acl SSL_ports port 443
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
http_access allow all
#http_access deny all
http_port 3128 ssl-bump cert=/usr/local/squid/ssl_cert/example.com.cert key=/usr/local/squid/ssl_cert/example.com.private version=1 options=NO_SSLv2,NO_SSLv3,SINGLE_DH_USE generate-host-certificates=on
https_port 3127 cert=/usr/local/squid/ssl_cert/example.com.cert key=/usr/local/squid/ssl_cert/example.com.private ssl-bump intercept options=NO_SSLv2,NO_SSLv3,SINGLE_DH_USE generate-host-certificates=on
ssl_bump stare all
ssl_bump bump all
sslproxy_cert_error allow all
#logformat squid %tl %6tr %&gt;a %Ss/%03&gt;Hs %&lt;st %[un %Sh/%&lt;a %mt %rm %&gt;h %&gt;rs %&gt;rd
logformat squid %ts.%03tu %6tr %&gt;a %Ss/%03&gt;Hs %&lt;st %rm %ru %[un %Sh/%&lt;a %mt %&gt;h
coredump_dir /var/cache/squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
</code></pre></div></div>
<p>Installer le <u>certificat</u> “<strong>example.com.private</strong>” qui se trouve dans
<strong>/usr/local/squid/ssl_cert</strong> sur les <u>machines qui vont utiliser le proxy</u></p>
<p>La plupart du temps, ouvrez ce fichier avec votre téléphone et / ou
votre smartphone, celui-ci se chargera automatiquement de faire le
reste.</p>
<p>Pour démarrer le serveur proxy, exécutez la ligne de commande suivante :</p>
<blockquote>
<p><strong>/usr/local/squid/sbin/squid</strong> <strong>-NCd9</strong></p>
</blockquote>
<p>Et observez les logs dans un autre terminal avec celle-ci :</p>
<blockquote>
<p><strong>tail -f</strong> <strong>/usr/local/squid/var/logs/access.log</strong></p>
</blockquote>
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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>
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