mirror of
https://github.com/metosin/reitit.git
synced 2025-12-20 17:41:11 +00:00
525 lines
16 KiB
HTML
525 lines
16 KiB
HTML
|
|
<!DOCTYPE HTML>
|
|
<html lang="" >
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
|
|
<title>Dynamic extensions · GitBook</title>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
|
|
<meta name="description" content="">
|
|
<meta name="generator" content="GitBook 3.2.3">
|
|
|
|
|
|
|
|
|
|
<link rel="stylesheet" href="gitbook/style.css">
|
|
|
|
|
|
|
|
|
|
<link rel="stylesheet" href="gitbook/gitbook-plugin-highlight/website.css">
|
|
|
|
|
|
|
|
<link rel="stylesheet" href="gitbook/gitbook-plugin-search/search.css">
|
|
|
|
|
|
|
|
<link rel="stylesheet" href="gitbook/gitbook-plugin-fontsettings/website.css">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<meta name="HandheldFriendly" content="true"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
|
|
<meta name="apple-mobile-web-app-capable" content="yes">
|
|
<meta name="apple-mobile-web-app-status-bar-style" content="black">
|
|
<link rel="apple-touch-icon-precomposed" sizes="152x152" href="gitbook/images/apple-touch-icon-precomposed-152.png">
|
|
<link rel="shortcut icon" href="gitbook/images/favicon.ico" type="image/x-icon">
|
|
|
|
|
|
<link rel="next" href="parameter_coercion.html" />
|
|
|
|
|
|
<link rel="prev" href="ring.html" />
|
|
|
|
|
|
</head>
|
|
<body>
|
|
|
|
<div class="book">
|
|
<div class="book-summary">
|
|
|
|
|
|
<div id="book-search-input" role="search">
|
|
<input type="text" placeholder="Type to search" />
|
|
</div>
|
|
|
|
|
|
<nav role="navigation">
|
|
|
|
|
|
|
|
<ul class="summary">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="chapter " data-level="1.1" data-path="./">
|
|
|
|
<a href="./">
|
|
|
|
|
|
Introduction
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2" >
|
|
|
|
<span>
|
|
|
|
|
|
Basics
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="1.2.1" data-path="basics.html">
|
|
|
|
<a href="basics.html#route-syntax">
|
|
|
|
|
|
Route syntax
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2.2" data-path="basics.html">
|
|
|
|
<a href="basics.html#router">
|
|
|
|
|
|
Router
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2.3" data-path="basics.html">
|
|
|
|
<a href="basics.html#path-based-routing">
|
|
|
|
|
|
Path-based Routing
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2.4" data-path="basics.html">
|
|
|
|
<a href="basics.html#name-based-routing">
|
|
|
|
|
|
Name-based Routing
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2.5" data-path="basics.html">
|
|
|
|
<a href="basics.html#route-data">
|
|
|
|
|
|
Route data
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.2.6" data-path="basics.html">
|
|
|
|
<a href="basics.html#different-routers">
|
|
|
|
|
|
Different Routers
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.3" >
|
|
|
|
<span>
|
|
|
|
|
|
Advanced
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="1.3.1" data-path="route_conflicts.html">
|
|
|
|
<a href="route_conflicts.html">
|
|
|
|
|
|
Route conflicts
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.3.2" data-path="route_validation.html">
|
|
|
|
<a href="route_validation.html">
|
|
|
|
|
|
Route Validation
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.3.3" data-path="configuring_routers.html">
|
|
|
|
<a href="configuring_routers.html">
|
|
|
|
|
|
Configuring routers
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.4" >
|
|
|
|
<span>
|
|
|
|
|
|
Ring
|
|
|
|
</span>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="1.4.1" data-path="ring.html">
|
|
|
|
<a href="ring.html">
|
|
|
|
|
|
Ring-router
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter active" data-level="1.4.2" data-path="dynamic_extensions.html">
|
|
|
|
<a href="dynamic_extensions.html">
|
|
|
|
|
|
Dynamic extensions
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.4.3" data-path="parameter_coercion.html">
|
|
|
|
<a href="parameter_coercion.html">
|
|
|
|
|
|
Parameter coercion
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.4.4" data-path="compiling_middleware.html">
|
|
|
|
<a href="compiling_middleware.html">
|
|
|
|
|
|
Compiling middleware
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.5" >
|
|
|
|
<span>
|
|
|
|
|
|
TODO: Swagger & OpenAPI
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="1.6" >
|
|
|
|
<span>
|
|
|
|
|
|
TODO: Interceptors
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li class="divider"></li>
|
|
|
|
<li>
|
|
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
|
|
Published with GitBook
|
|
</a>
|
|
</li>
|
|
</ul>
|
|
|
|
|
|
</nav>
|
|
|
|
|
|
</div>
|
|
|
|
<div class="book-body">
|
|
|
|
<div class="body-inner">
|
|
|
|
|
|
|
|
<div class="book-header" role="navigation">
|
|
|
|
|
|
<!-- Title -->
|
|
<h1>
|
|
<i class="fa fa-circle-o-notch fa-spin"></i>
|
|
<a href="." >Dynamic extensions</a>
|
|
</h1>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<div class="page-wrapper" tabindex="-1" role="main">
|
|
<div class="page-inner">
|
|
|
|
<div id="book-search-results">
|
|
<div class="search-noresults">
|
|
|
|
<section class="normal markdown-section">
|
|
|
|
<h1 id="dynamic-extensions">Dynamic extensions</h1>
|
|
<p><code>ring-handler</code> injects the <code>Match</code> into a request and it can be extracted at runtime with <code>reitit.ring/get-match</code>. This can be used to build dynamic extensions to the system.</p>
|
|
<p>Example middleware to guard routes based on user roles:</p>
|
|
<pre><code class="lang-clj">(<span class="hljs-name">require</span> '[clojure.set <span class="hljs-symbol">:as</span> set])
|
|
|
|
(<span class="hljs-name"><span class="hljs-builtin-name">defn</span></span> wrap-enforce-roles [handler]
|
|
(<span class="hljs-name"><span class="hljs-builtin-name">fn</span></span> [{<span class="hljs-symbol">:keys</span> [<span class="hljs-symbol">::roles</span>] <span class="hljs-symbol">:as</span> request}]
|
|
(<span class="hljs-name"><span class="hljs-builtin-name">let</span></span> [required (<span class="hljs-name">some-></span> request (<span class="hljs-name">ring/get-match</span>) <span class="hljs-symbol">:meta</span> <span class="hljs-symbol">::roles</span>)]
|
|
(<span class="hljs-name"><span class="hljs-builtin-name">if</span></span> (<span class="hljs-name"><span class="hljs-builtin-name">and</span></span> (<span class="hljs-name"><span class="hljs-builtin-name">seq</span></span> required) (<span class="hljs-name"><span class="hljs-builtin-name">not</span></span> (<span class="hljs-name">set/intersection</span> required roles)))
|
|
{<span class="hljs-symbol">:status</span> <span class="hljs-number">403</span>, <span class="hljs-symbol">:body</span> <span class="hljs-string">"forbidden"</span>}
|
|
(<span class="hljs-name">handler</span> request)))))
|
|
</code></pre>
|
|
<p>Mounted to an app via router meta-data (effecting all routes):</p>
|
|
<pre><code class="lang-clj">(<span class="hljs-name"><span class="hljs-builtin-name">def</span></span> handler (<span class="hljs-name"><span class="hljs-builtin-name">constantly</span></span> {<span class="hljs-symbol">:status</span> <span class="hljs-number">200</span>, <span class="hljs-symbol">:body</span> <span class="hljs-string">"ok"</span>}))
|
|
|
|
(<span class="hljs-name"><span class="hljs-builtin-name">def</span></span> app
|
|
(<span class="hljs-name">ring/ring-handler</span>
|
|
(<span class="hljs-name">ring/router</span>
|
|
[[<span class="hljs-string">"/api"</span>
|
|
[<span class="hljs-string">"/ping"</span> handler]
|
|
[<span class="hljs-string">"/admin"</span> {<span class="hljs-symbol">::roles</span> #{<span class="hljs-symbol">:admin</span>}}
|
|
[<span class="hljs-string">"/ping"</span> handler]]]]
|
|
{<span class="hljs-symbol">:meta</span> {<span class="hljs-symbol">:middleware</span> [wrap-enforce-roles]}})))
|
|
</code></pre>
|
|
<p>Anonymous access to public route:</p>
|
|
<pre><code class="lang-clj">(<span class="hljs-name">app</span> {<span class="hljs-symbol">:request-method</span> <span class="hljs-symbol">:get</span>, <span class="hljs-symbol">:uri</span> <span class="hljs-string">"/api/ping"</span>})
|
|
<span class="hljs-comment">; {:status 200, :body "ok"}</span>
|
|
</code></pre>
|
|
<p>Anonymous access to guarded route:</p>
|
|
<pre><code class="lang-clj">(<span class="hljs-name">app</span> {<span class="hljs-symbol">:request-method</span> <span class="hljs-symbol">:get</span>, <span class="hljs-symbol">:uri</span> <span class="hljs-string">"/api/admin/ping"</span>})
|
|
<span class="hljs-comment">; {:status 403, :body "forbidden"}</span>
|
|
</code></pre>
|
|
<p>Authorized access to guarded route:</p>
|
|
<pre><code class="lang-clj">(<span class="hljs-name">app</span> {<span class="hljs-symbol">:request-method</span> <span class="hljs-symbol">:get</span>, <span class="hljs-symbol">:uri</span> <span class="hljs-string">"/api/admin/ping"</span>, <span class="hljs-symbol">::roles</span> #{<span class="hljs-symbol">:admin</span>}})
|
|
<span class="hljs-comment">; {:status 200, :body "ok"}</span>
|
|
</code></pre>
|
|
|
|
|
|
</section>
|
|
|
|
</div>
|
|
<div class="search-results">
|
|
<div class="has-results">
|
|
|
|
<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
|
|
<ul class="search-results-list"></ul>
|
|
|
|
</div>
|
|
<div class="no-results">
|
|
|
|
<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
|
|
|
|
|
|
<a href="ring.html" class="navigation navigation-prev " aria-label="Previous page: Ring-router">
|
|
<i class="fa fa-angle-left"></i>
|
|
</a>
|
|
|
|
|
|
<a href="parameter_coercion.html" class="navigation navigation-next " aria-label="Next page: Parameter coercion">
|
|
<i class="fa fa-angle-right"></i>
|
|
</a>
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<script>
|
|
var gitbook = gitbook || [];
|
|
gitbook.push(function() {
|
|
gitbook.page.hasChanged({"page":{"title":"Dynamic extensions","level":"1.4.2","depth":2,"next":{"title":"Parameter coercion","level":"1.4.3","depth":2,"path":"parameter_coercion.md","ref":"parameter_coercion.md","articles":[]},"previous":{"title":"Ring-router","level":"1.4.1","depth":2,"path":"ring.md","ref":"ring.md","articles":[]},"dir":"ltr"},"config":{"plugins":["editlink","github","highlight"],"root":"doc","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"editlink":{"label":"Edit This Page","multilingual":false,"base":"https://github.com/metosin/reitit/tree/master/doc"},"github":{"url":"https://github.com/metosin/reitit"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"gitbook":"*"},"file":{"path":"dynamic_extensions.md","mtime":"2017-10-25T15:00:22.836Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2017-10-25T15:01:14.084Z"},"basePath":".","book":{"language":""}});
|
|
});
|
|
</script>
|
|
</div>
|
|
|
|
|
|
<script src="gitbook/gitbook.js"></script>
|
|
<script src="gitbook/theme.js"></script>
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-editlink/plugin.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-github/plugin.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-search/search-engine.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-search/search.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-sharing/buttons.js"></script>
|
|
|
|
|
|
|
|
<script src="gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
|
|
|
|
|
|
|
|
</body>
|
|
</html>
|
|
|