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yannstatic/static/2019/09/21/2019-09-20-lua.html

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<!DOCTYPE html><html lang="fr">
<head><meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"><title>LUA - YannStatic</title>
<meta name="description" content="LUA">
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" href="/">YannStatic</a></div><!--<button class="button button--secondary button--circle search-button js-search-toggle"><i class="fas fa-search"></i></button>--><!-- <li><button class="button button--secondary button--circle search-button js-search-toggle"><i class="fas fa-search"></i></button></li> -->
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json: [],
success: Function.prototype,
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}
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}());
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<script>
SimpleJekyllSearch({
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resultsContainer: document.getElementById('results-container'),
json: '/search.json',
//searchResultTemplate: '<li><a href="https://static.rnmkcy.eu{url}">{date}&nbsp;{title}</a></li>'
searchResultTemplate: '<li><a href="{url}">{date}&nbsp;{title}</a></li>'
})
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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">LUA</h1></header></div><meta itemprop="headline" content="LUA"><div class="article__info clearfix"><ul class="left-col menu"><li>
_includes/article-list.html
2024-11-08 14:10:33 +01:00
<a class="button button--secondary button--pill button--sm" style="color:#00FFFF" href="/archive.html?tag=divers">divers</a>
first commit
2024-10-31 20:18:37 +01:00
</li></ul><ul class="right-col menu"><li>
<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">21&nbsp;sept.&nbsp;2019</span>
<span title="Modification" style="color:#00FF7F">20&nbsp;sept.&nbsp;2019</span></li></ul></div><meta itemprop="datePublished" content="2019-09-20T00:00:00+02:00">
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<div class="article__content" itemprop="articleBody"><details>
<summary><b>Afficher/cacher Sommaire</b></summary>
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<div class="toc-aside js-toc-root"></div>
</details><h2 id="lua">LUA</h2>
<p><img src="/images/Lua-logo-nolabel.svg" alt="LUA" width="150" /> <br />
<em>Nginx est un serveur HTTP et reverse proxy utilisé par de nombreux sites. OpenResty est une surcouche construite avec de nombreux modules par défaut, ils permettent par exemple la personnalisation via des <u>scripts Lua</u> ou des accès simplifiés à des bases de données.<br />
Installation nginx+lua avec openresty : <a href="/2019/08/26/Compilation-Nginx(avec-modules-dynamiques)+TLSv1.3+PHP7.3+MariaDB-sur-DebianBuster.html">Debian , compilation et installation nginx OU openresty (nginx + lua + openssl TLSv1.3 + modules dynamiques) + PHP7.3 + MariaDb</a></em></p>
<h3 id="liens">Liens</h3>
<ul>
<li><a href="https://jolicode.com/blog/nginx-et-lua-decouverte-d-openresty">Nginx et Lua, découverte d’OpenResty</a></li>
<li><a href="https://blog.cloud66.com/supercharging-nginx-with-lua/">Supercharging NGINX with Lua (Part 1)</a></li>
<li><a href="https://blog.cloud66.com/supercharging-nginx-with-lua-part-2/">Supercharging NGINX with Lua (Part 2)</a></li>
<li><a href="https://blog.cloud66.com/supercharging-nginx-with-lua-part-3/">Supercharging NGINX with Lua (Part 3)</a></li>
<li><a href="https://github.com/StephenPCG/nginx-lua-simpleauth-module/blob/master/README.md">StephenPCG/nginx-lua-simpleauth-module</a></li>
<li><a href="http://www.techort.com/simple-authentication-on-nginx-using-lua-habrahabr/">Simple authentication on NGINX using LUA / Habrahabr</a></li>
</ul>
<h3 id="tests">Tests</h3>
<p>Créer un dossier pour les tests lua et un dossier pour les fichiers de configuration</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo mkdir /etc/lua # pour le code lua
#sudo mkdir -p /usr/local/openresty/nginx/sites/cinay.eu.d # sans les liens
sudo mkdir -p /etc/nginx/conf.d/cinay.eu.d # avec les liens
</code></pre></div></div>
<p>Le fichier de configuration</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#sudo nano /usr/local/openresty/nginx/sites/cinay.eu.d/lua.conf # sans les liens
sudo nano /etc/nginx/conf.d/cinay.eu.d/lua.conf # avec les liens
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> location /example {
default_type 'text/plain';
content_by_lua_block {
ngx.say('Hello, Sammy!')
}
}
location /file {
default_type text/html;
lua_code_cache off; #enables livereload for development
content_by_lua_file /etc/lua/hello_world.lua;
}
</code></pre></div></div>
<p>Vérification et rechargement</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo openresty -t
sudo systemctl reload openresty
</code></pre></div></div>
<p>Tester les liens https://cinay.eu/example et https://cinay.eu/file</p>
<h3 id="opm">opm</h3>
<p>Pour ajouter le module jwt</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo -s
opm get cdbattags/lua-resty-jwt
opm list
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cdbattags/lua-resty-jwt 0.2.0
jkeys089/lua-resty-hmac 0.03
openresty/lua-resty-string 0.11
</code></pre></div></div>
<p>Les 3 modules sont utilisés…</p>
<h3 id="jwt">jwt</h3>
<ul>
<li><a href="https://postgrest.org/en/v4.1/tutorials/tut1.html">Création token</a></li>
<li>https://jwt.io/</li>
</ul>
<p>Fichier de configuration pour tester jwt</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nano /etc/nginx/conf.d/auth.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 80;
listen [::]:80;
## redirect http to https ##
server_name cinay.eu;
return 301 https://$server_name$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name auth.cinay.eu;
default_type text/plain;
location = /verify {
content_by_lua '
local cjson = require "cjson"
local jwt = require "resty.jwt"
local jwt_token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9" ..
".eyJmb28iOiJiYXIifQ" ..
".VAoRL1IU0nOguxURF2ZcKR0SGKE1gCbqwyh8u2MLAyY"
local jwt_obj = jwt:verify("lua-resty-jwt", jwt_token)
ngx.say(cjson.encode(jwt_obj))
';
}
location = /sign {
content_by_lua '
local cjson = require "cjson"
local jwt = require "resty.jwt"
local jwt_token = jwt:sign(
"lua-resty-jwt",
{
header={typ="JWT", alg="HS256"},
payload={foo="bar"}
}
)
ngx.say(jwt_token)
';
}
location = /check {
content_by_lua '
local jwt = require "resty.jwt"
local authentication_token = ngx.var.http_authorization
-- local secret = require “jwt-secret"
local secret = "/x6fgevouTqHaNB3GLiTR8ZpIZiKB3yIOia3ZYhW7Kk="
if jwt:verify(secret, authentication_token).valid ~= true then
#return ngx.exit(ngx.HTTP_FORBIDDEN)
end
';
}
location /example {
content_by_lua_block {
ngx.say('Hello, Sammy!')
}
}
location = /authenticate {
internal;
# proxy_pass http://flask-app:5000/login;
proxy_intercept_errors on;
}
location = /login {
# proxy_pass http://flask-app:5000/login;
rewrite_by_lua_file /etc/nginx/lua/authenticator.lua;
}
include ssl_params;
include header_params;
# Diffie-Hellmann
# Uncomment the following directive after DH generation
# &gt; openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
ssl_dhparam /etc/ssl/private/dh2048.pem;
access_log /var/log/openresty/auth.cinay.eu-access.log;
error_log /var/log/openresty/auth.cinay.eu-error.log;
}
</code></pre></div></div>
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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 = $root.offset().left;
}
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needPreCalc && preCalc();
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rootBottomTop = scrollBottom - rootTop;
}
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$root.removeClass('fixed').css({
left: 0,
top: 0
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curState = 'top';
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$root.addClass('fixed').css({
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curState = 'fixed';
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function bottom() {
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$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
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curState = 'bottom';
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var interval, timeout;
calc(true); setState();
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calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
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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;
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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; }
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} 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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