yannstatic/static/2020/10/21/Nginx-reverse-proxy+SSL-certbot.html

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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Nginx reverse proxy + SSL (certbot)</h1></header></div><meta itemprop="headline" content="Nginx reverse proxy + SSL (certbot)"><div class="article__info clearfix"><ul class="left-col menu"><li>
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">21&nbsp;oct.&nbsp;&nbsp;2020</span></li></ul></div><meta itemprop="datePublished" content="2020-10-21T00:00:00+02:00">
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</details><p><em>Mise en place reverse proxy nginx + SSL sous linux Debian</em></p>
<h2 id="reverse-proxy-nginx">Reverse proxy nginx</h2>
<p>Un proxy inverse est un serveur qui traite le trafic entrant et répond avec des données que ce proxy récupère à partir dune ou plusieurs instances situées dans son propre réseau local.<br />
Considérez le reverse proxy comme le pont vers lîle qui est votre environnement applicatif.</p>
<ul>
<li>Instance - un ordinateur optimisé fonctionnant généralement sous Linux et disponible dans le réseau local de votre environnement applicatif.</li>
</ul>
<p>Utilisation</p>
<ul>
<li>Équilibrage de la charge - distribuer le trafic entrant sur plusieurs ressources de serveur pour améliorer les performances.</li>
<li>Accélération Web - compression des données entrantes et sortantes, ainsi que mise en cache du contenu couramment demandé pour accélérer le flux de trafic.</li>
<li>Sécurité - protégez lidentité de vos machines dorsales. Configurez le SSL pour servir votre application web via HTTPS</li>
</ul>
<p>Nous utiliserons nginx pour mettre en place notre reverse proxy sur une instance fonctionnant sous Linux Debian</p>
<p>Nous allons configurer un système de reverse proxy très simple. Notre environnement dapplication fictif comporte deux instances importantes : linstance de reverse proxy et linstance cible qui exécute quelque chose (par exemple une application) sur le port 3000. Nous voulons pouvoir accéder à cette application via le reverse proxy lorsque nous naviguerons vers notre domaine fictif www.example.com. Commençons !</p>
<h3 id="1-installer-nginx">1-Installer nginx</h3>
<p>Assurez-vous que linstance que vous configurez pour agir comme mandataire inverse est configurée pour autoriser le trafic HTTP. SSH dans votre instance de reverse proxy et exécutez les commandes suivantes :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt update
sudo apt upgrade
sudo apt install nginx
</code></pre></div></div>
<p>Lorsque vous naviguez vers ladresse IP publique de linstance de reverse proxy à laide de votre navigateur web, vous devriez voir un message de bienvenue comme celui-ci :<br />
<img src="/images/reverse-proxy01.png" alt="10.0.3.19" /></p>
<p>Quelques commandes de fonctionnement de base</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl start nginx
sudo systemctl stop nginx
sudo systemctl restart nginx
sudo systemctl status nginx
</code></pre></div></div>
<h3 id="2-configurer-les-routes">2-Configurer les routes</h3>
<p>Lemplacement des fichiers de configuration nginx pour les sites: <code class="language-plaintext highlighter-rouge">/etc/nginx/sites-available/</code></p>
<p>Les fichiers contenant les règles de routage vont dans le dossier <code class="language-plaintext highlighter-rouge">sites-available/</code>. <br />
Pour activer ces règles, vous devez créer un lien symbolique de ces fichiers vers le dossier <code class="language-plaintext highlighter-rouge">sites-enabled/</code>.<br />
Par défaut, cela a déjà été fait pour vous avec le fichier <strong>default</strong>. Ce fichier contient quelques exemples de règles de configuration. Nous nen aurons pas besoin, alors nhésitez pas à supprimer tout ce qui se trouve dans le fichier par défaut. Ajoutez les lignes suivantes au fichier <strong>default</strong> :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/nginx/sites-available/default
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 80;
listen [::]:80;
server_name example.com www.example.com;
location / {
proxy_pass http://10.0.3.19:4000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;
}
}
</code></pre></div></div>
<p>Vous pouvez ajouter plusieurs fichiers de configuration, un fichier de configuration peut contenir plusieurs blocs de <code class="language-plaintext highlighter-rouge">server {}</code>, un bloc de serveur peut contenir plusieurs blocs demplacement <code class="language-plaintext highlighter-rouge">{}</code>.</p>
<p>Remplacez les paramètres suivants par les vôtres :</p>
<ul>
<li><strong>example.com www.example.com</strong> ajouter tous les domaines qui devront être gérés</li>
<li><strong>10.0.3.19</strong> insérer ladresse IP locale de la machine vers laquelle les domaines que vous avez choisis doivent être redirigés</li>
<li><strong>4000</strong> insérez le port où votre application sera exécutée</li>
</ul>
<p>Testez votre configuration nginx et rechargez pour activer les changements.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nginx -t
sudo systemctl reload nginx
</code></pre></div></div>
<blockquote>
<p><strong>Important</strong> - Noubliez pas de faire pointer les enregistrements A de votre domaine vers ladresse IP publique du reverse proxy configuré. Selon votre fournisseur DNS, la mise à jour des enregistrements A peut prendre un certain temps.</p>
</blockquote>
<p>Lorsque vous naviguez vers votre domaine, le proxy répondra avec lapplication sexécutant sur linstance cible interne.</p>
<h2 id="mettre-en-place-un-ssl-nginx-sur-linux">Mettre en place un SSL nginx sur Linux</h2>
<p>Le HTTPS est la voie à suivre pour les applications web de nos jours. Mais les tracas de la mise en place, du renouvellement, du paiement, … cela peut être une véritable galère. Voici Lets Encrypt, une autorité de certification gratuite, automatisée et ouverte, fournie par lInternet Security Research Group (ISRG). Elle héberge les membres du conseil dadministration/conseillers de plusieurs grandes entreprises de linternet comme Google et Mozilla.</p>
<p>Dans ce guide, nous utiliserons certbot pour gérer automatiquement et gratuitement les certificats SSL nécessaires, sur le proxy inverse de notre guide précédent. Nous serons ainsi en mesure de servir lensemble de notre application web par HTTPS.</p>
<h3 id="1-installer-certbot">1. Installer certbot</h3>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt-get install python-certbot-nginx -t stretch-backports
</code></pre></div></div>
<h3 id="2-demande-de-certificat">2. Demande de certificat</h3>
<p>SSH dans le serveur sur lequel vous voulez activer le SSL, dans notre cas notre serveur de proxy inverse. Modifiez le fichier de configuration nginx pour votre domaine, dans notre cas :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cd /etc/nginx/sites-available/
sudo nano default
</code></pre></div></div>
<p>http://www.example.com/.well-known est le lieu où Lets Encrypt cherchera les réponses à leurs défis.<br />
Ajoutez les lignes marquées en gras pour diriger les demandes vers cette url vers le bon chemin.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 80;
listen [::]:80;
server_name example.com www.example.com;
location /.well-known {
alias /var/www/example.com/.well-known;
}
# subsequent rules
}
</code></pre></div></div>
<p>Recharger nginx</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl reload nginx
</code></pre></div></div>
<p>Demander un certificat en utilisant certbot</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo certbot certonly --webroot -w /var/www/example.com/ -d example.com -d www.example.com
</code></pre></div></div>
<p>Les dossiers demandés sont dans <code class="language-plaintext highlighter-rouge">/etc/letsencrypt/live/example.com/</code></p>
<h3 id="3-configurer-nginx">3. Configurer nginx</h3>
<p>Ajustez votre fichier de configuration nginx, dans notre cas <code class="language-plaintext highlighter-rouge">/etc/nginx/sites-available/default</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name example.com www.example.com;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
ssl_stapling on;
ssl_stapling_verify on;
add_header Strict-Transport-Security "max-age=31536000";
access_log /var/log/nginx/sub.log combined;
location /.well-known {
alias /var/www/example.com/.well-known;
}
location / {
# reverse proxy commands
}
}
</code></pre></div></div>
<blockquote>
<p>Note - Nous avons utilisé le protocole http2 dans les deux premières lignes de configuration du serveur. Il nécessite la version nginx &gt;= 1.9.5 ; si ce nest pas le cas, vous pouvez remplacer http2 par http.</p>
</blockquote>
<p>Testez votre configuration nginx et rechargez pour activer les changements.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nginx -t
sudo systemctl reload nginx
</code></pre></div></div>
<h3 id="4-renouvelez-automatiquement-votre-certificat">4. Renouvelez automatiquement votre certificat</h3>
<p>Nous allons utiliser un cronjob pour effectuer des contrôles quotidiens pour renouveler les certificats de plus de 60 jours. sudo nano /etc/crontab et ajouter la ligne suivante :</p>
<p><code class="language-plaintext highlighter-rouge">20 4 * * * root certbot renew --quiet --renew-hook "systemctl reload nginx"</code></p>
<p>Chaque jour à 04:20 cron, en tant quutilisateur root, dira à certbot de renouveler tous les certificats de plus de 60 jours et de recharger la configuration nginx lors du renouvellement.
Pour tester si le renouvellement fonctionnera, lancez ceci :</p>
<p>Pour forcer manuellement un renouvellement, exécutez ceci :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo certbot --dry-run renew
</code></pre></div></div>
<blockquote>
<p>Note - Soyez conscient des <a href="https://letsencrypt.org/docs/rate-limits/">limites du taux de renouvellement crypté</a></p>
</blockquote>
<h3 id="5-rediriger-http-vers-https-facultatif">5. Rediriger HTTP vers HTTPS (facultatif)</h3>
<p>Ajouter le bloc de serveur suivant avant le bloc de serveur actuel dans votre fichier de configuration nginx, dans notre cas <code class="language-plaintext highlighter-rouge">/etc/nginx/sites-available/default</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 80;
listen [::]:80;
server_name example.com;
return 301 https://$host$request_uri;
}
</code></pre></div></div>
<p>Testez votre configuration nginx et rechargez pour activer les changements.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nginx -t
sudo systemctl reload nginx
</code></pre></div></div>
<p>Lorsque vous naviguerez sur https://www.example.com, une connexion sécurisée sera établie et (en option) les requêtes HTTP seront redirigées vers HTTPS.</p>
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function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$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();
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fixed();
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top();
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bottom();
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}
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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];
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