yannstatic/static/2020/04/10/TinyProxy-Forward-and-Reverse-Proxy.html

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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">TinyProxy forward and reverse proxy</h1></header></div><meta itemprop="headline" content="TinyProxy forward and reverse proxy"><div class="article__info clearfix"><ul class="left-col menu"><li>
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</details><h2 id="tinyproxy">TinyProxy</h2>
<p><a href="https://tinyproxy.github.io/">Tinyproxy</a> est un démon de proxy HTTP/HTTPS léger pour les systèmes dexploitation POSIX, qui est <a href="https://github.com/tinyproxy/tinyproxy">open source sur Github</a>.</p>
<p>Jai essayé cet outil pour mettre en place un proxy avant du côté client de la communication et un proxy arrière du côté serveur. Je voulais lutiliser pour pouvoir faire des expériences sur le réseau entre le proxy avant et le proxy arrière, sans limplication du client et du serveur.</p>
<p>Les reverse proxies sont surtout utilisés comme équilibreur de charge, où nous nous connectons avec un reverse proxy qui décide ensuite à quelle machine il doit envoyer la demande.</p>
<h3 id="exigences">Exigences</h3>
<p>Les exigences suivantes représentent ce que jai utilisé dans mon expérience :</p>
<ul>
<li>Une image avec une distribution de système dexploitation Linux - jai utilisé une Debian GNU/Linux 8.9 (Jessie) ;</li>
<li>4 machines virtuelles pour servir de client, de proxy avant, de proxy arrière et de serveur - jai utilisé VirtualBox pour faire fonctionner ces machines, avec limage du système dexploitation Debian ;</li>
<li>Le serveur doit faire tourner un serveur web - jai utilisé le serveur HTTP Apache, pour renvoyer la page HTML par défaut en disant “Ça marche !</li>
<li>Le client doit avoir un navigateur ou un outil de ligne de commande installé, comme curl, pour effectuer des requêtes HTTP ;</li>
<li>Les machines avec proxy avant et arrière doivent avoir tinyproxy installé - Je vais ensuite montrer comment linstaller sur les machines Debian. La version que jai utilisée était la 1.8.3.</li>
</ul>
<p>###Architecture de test</p>
<p><img src="/images/tinyproxy001.png" alt="" width="600" /><br />
Architecture de test pour lexpérience</p>
<p>Jai créé le dépôt <a href="https://github.com/isabelcosta/testing-tiny-proxy">isabelcosta/testing-tiny-proxy</a> sur Github avec les fichiers de configuration nécessaires pour faire fonctionner les deux rôles de proxy avant et arrière.</p>
<h3 id="configuration-du-réseau">Configuration du réseau</h3>
<p>VirtualBox vous permet de configurer les paramètres réseau des machines virtuelles. Jai utilisé le paramètre Nat Network qui ma permis davoir toutes les machines dans le même réseau. Il sagissait de lIP assignée à chaque machine.</p>
<ul>
<li>Client — 10.0.2.33</li>
<li>Forward Proxy — 10.0.2.35</li>
<li>Reverse Proxy — 10.0.2.36</li>
<li>Server — 10.0.2.34</li>
</ul>
<p>Ces adresses IP seront importantes, car elles apparaîtront dans les exemples de test du système.</p>
<h3 id="installer-tinyproxy">Installer Tinyproxy</h3>
<p>Pour installer Tinyproxy, vous devez taper la commande suivante dans le terminal des machines proxy avant et arrière :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apt-get install tinyproxy
</code></pre></div></div>
<h3 id="mise-en-place-du-système">Mise en place du système</h3>
<p>Tinyproxy fonctionne selon les fichiers de configuration. Jai écrit deux configurations, une pour le proxy avant et une autre pour le proxy arrière.</p>
<p>Fichiers de configuration du proxy avant et du proxy arrière :</p>
<p><strong>forward_proxy.conf</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>## forwardproxy.conf -- tinyproxy daemon configuration file
User nobody
Group nogroup
Port 8888
Listen 10.0.2.35
BindSame yes
Timeout 600
DefaultErrorFile "/usr/share/tinyproxy/default.html"
StatFile "/usr/share/tinyproxy/stats.html"
Logfile "/var/log/tinyproxy/tinyproxy.log"
#Syslog On
LogLevel Info
PidFile "/var/run/tinyproxy/tinyproxy.pid"
# Comment to use only the forward proxy
# Uncomment to forward the traffic to the reverse proxy
#Upstream 10.0.2.36:8888
MaxClients 100
MinSpareServers 2
MaxSpareServers 5
StartServers 2
MaxRequestsPerChild 0
Allow 127.0.0.1
Allow 10.0.2.0/24
ViaProxyName "tinyproxy1"
ConnectPort 8888
ConnectPort 80
# The following two ports are used by SSL.
ConnectPort 443
ConnectPort 563
</code></pre></div></div>
<p><strong>reverse_proxy.conf</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>## tinyproxy.conf -- tinyproxy daemon configuration file
User nobody
Group nogroup
Port 8888
Listen 10.0.2.36
BindSame yes
Timeout 600
StatFile "/usr/share/tinyproxy/stats.html"
Logfile "/var/log/tinyproxy/tinyproxy.log"
#Syslog On
LogLevel Info
PidFile "/var/run/tinyproxy/tinyproxy.pid"
MaxClients 5
MinSpareServers 2
MaxSpareServers 5
StartServers 2
MaxRequestsPerChild 0
Allow 127.0.0.1
Allow 10.0.2.0/24
Allow 10.0.2.35
ViaProxyName "tinyproxy2"
ConnectPort 8888
ConnectPort 80
# The following two ports are used by SSL.
ConnectPort 443
ConnectPort 563
ReversePath "/test/" "http://10.0.2.34:80/"
#ReversePath "/" "http://10.0.2.34:80/"
ReversePath "/wired/" "http://www.wired.com/"
ReverseOnly Yes
ReverseMagic Yes
ReverseBaseURL "http://10.0.2.36:8888/"
</code></pre></div></div>
<p>Pour faire fonctionner la tinyproxy avec une configuration spécifique, il suffit de faire ce qui suit :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> tinyproxy -c &lt;configuration-file&gt;
</code></pre></div></div>
<p>Par exemple : <code class="language-plaintext highlighter-rouge">tinyproxy -c forwardproxy.conf</code></p>
<h3 id="tester-le-système">Tester le système</h3>
<p>Assurez-vous dabord que le serveur fonctionne correctement et que vous pouvez y accéder avec la commande suivante, depuis nimporte quelle machine, puisquelles font toutes partie du même réseau. Vous pouvez tester cela en utilisant loutil en ligne de commande curl ou sur un navigateur :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>curl http://10.0.2.34:80/
</code></pre></div></div>
<p>Maintenant, pour tester lensemble du système, si vous voulez utiliser curl, vous pouvez taper ceci sur la console de la machine cliente :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>curl -v --proxy http://10.0.2.35:8888 http://10.0.2.36:8888/
</code></pre></div></div>
<p>Cest le résultat de la commande précédente :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>root@debian:/home/debian# curl -v --proxy http://10.0.2.35:8888 http://10.0.2.36:8888
* Rebuilt URL to: http://10.0.2.36:8888/
* Hostname was NOT found in DNS cache
* Trying 10.0.2.35...
* Connected to 10.0.2.35 (10.0.2.35) port 8888 (#0)
&gt; GET http://10.0.2.36:8888/ HTTP/1.1
&gt; User-Agent: curl/7.38.0
&gt; Host: 10.0.2.36:8888
&gt; Accept: */*
&gt; Proxy-Connection: Keep-Alive
&gt;
&lt; HTTP/1.1 200 OK
&lt; Via: 1.0 tinyproxy2 (tinyproxy/1.8.3), 1.1 tinyproxy1 (tinyproxy/1.8.3)
&lt; Last-Modified: Mon, 11 Jun 2007 18:53:14 GMT
&lt; Date: Tue, 12 Dec 2017 23:01:37 GMT
&lt; Content-Type: text/html
&lt; ETag: "2d-432a5e4a73a80"
&lt; Set-Cookie: yummy_magical_cookie=/; path=/
* Server Apache/2.4.29 (Unix) is not blacklisted
&lt; Server: Apache/2.4.29 (Unix)
&lt; Content-Length: 45
&lt; Accept-Ranges: bytes
&lt;
&lt;html&gt;&lt;body&gt;&lt;h1&gt;It works!&lt;/h1&gt;&lt;/body&gt;&lt;/html&gt;
* Connection #0 to host 10.0.2.35 left intact
</code></pre></div></div>
<p>Une autre façon de voir que cela fonctionne, cest dutiliser loutil <a href="https://www.wireshark.org/">Wireshark</a>. Cet outil vous permet de voir le trafic du réseau. Avant de tester le système, lancez Wireshark. En testant sur un réseau local, vous pouvez voir lensemble du trafic du client au serveur. Après avoir demandé et reçu la réponse du serveur, si vous filtrez les captures de Wireshark par “http”, vous devriez voir un résultat similaire à limage suivante.</p>
<p><img src="/images/tinyproxy002.png" alt="" width="700" /><br />
Capture Wireshark de la communication entre le client et le serveur, en passant par les proxies.</p>
<p>Dans cette capture, vous pouvez voir le trafic dans les deux sens : client ↔ proxy avant ↔ proxy arrière ↔ serveur.</p>
<p>Pour vérifier le fichier journal et les proxies forward et reverse, vous pouvez taper ce qui suit sur lune ou lautre des machines :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cat /var/log/tinyproxy/tinyproxy.log
</code></pre></div></div>
<p>Si vous voulez tester cela dune autre manière, vous pouvez modifier les fichiers de configuration des proxies sur <a href="https://github.com/isabelcosta/testing-tiny-proxy">isabelcosta/testing-tiny-proxy</a> repository.</p>
<h3 id="conseils-et-notes">Conseils et notes</h3>
<ul>
<li>Si vous souhaitez mettre en place dautres chemins, vous pouvez le faire avec le mot-clé “ReversePath”. Par exemple : ReversePath “/test” “http://10.0.2.34:80/” - de cette façon, vous pouvez accéder au serveur en tapant “http://10.0.2.36:8888/test”</li>
<li>Je recevais toujours lerreur 400 Bad Request, parce que jutilisais cet outil de la mauvaise manière. Jutilisais curl pour me connecter au serveur comme point final au lieu du proxy inverse. Le reverse proxy ne fonctionne pas comme un forward proxy, donc nutilisez pas le mot-clé “upstream” pour transférer le trafic vers le reverse proxy.</li>
</ul>
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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>