mirror of https://github.com/vapor/docs.git
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567 lines
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<title>Vapor Documentation</title>
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<h1>Vapor <em>Docs</em></h1>
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Install Swift 3: macOS
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Provider
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Commands
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<section>
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Basic
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Route Parameters
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Query Parameters
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Group
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Driver
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Model
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Relation
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<h3>Auth</h3>
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User
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Middleware
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Request
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Protect
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<section>
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<h3>HTTP</h3>
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Request
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Response
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Body
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ResponseRepresentable
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<a href="/1.5/http/responder.html">
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Responder
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Client
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Server
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CORS
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<section>
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<h3>WebSockets</h3>
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<a href="/1.5/websockets/droplet.html">
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Droplet
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<a href="/1.5/websockets/custom.html">
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Custom
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</section>
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<section>
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<h3>Testing</h3>
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<ul>
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<li class="">
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<a href="/1.5/testing/modules.html">
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Modules
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<li class="">
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<a href="/1.5/testing/basic.html">
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Basic
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</ul>
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</section>
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<section>
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<h3>Deploy</h3>
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<ul>
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<li class="">
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<a href="/1.5/deploy/nginx.html">
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Nginx
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<li class="">
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<a href="/1.5/deploy/supervisor.html">
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Supervisor
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</a>
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</ul>
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</section>
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<section>
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<h3>Version (1.5)</h3>
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<ul>
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<li class="">
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<a href="/1.5/switch/1_5.html">
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1.5
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<li class="">
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<a href="/1.5/switch/2_0.html">
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2.0
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<li class="">
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<a href="/1.5/switch/3_0.html">
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3.0-beta
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</section>
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</nav>
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<main>
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<a href="https://github.com/vapor/documentation/blob/master/CONTRIBUTING.md" class="edit">✎ Edit on GitHub</a>
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<h1 id="request">Request</h1>
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<p>The <code>auth</code> property on <code>Request</code> lets you authenticate users and also provides some convenience methods for accessing common authorization headers.</p>
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<h2 id="authorization">Authorization</h2>
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<p>The authorization header is a great place to send credentials from a client. </p>
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<pre><code>Authorization: xxxxxxxxxx</code></pre>
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<p>You can access the authorization header through <code>req.auth.header</code>. Two common patterns are basic and bearer.</p>
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<h3 id="basic">Basic</h3>
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<p>Basic authorization consists of a username and password concatenated into a string and base64 encoded.</p>
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<pre><code>Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l</code></pre>
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<p>This is what an example header looks like. You can read more about basic auth on <a href="https://en.wikipedia.org/wiki/Basic_access_authentication">wikipedia</a>.</p>
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<p>Below is how you access this header using <code>req.auth</code>.</p>
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<pre><code class="language-swift">guard let credentials = req.auth.header?.basic else {
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throw Abort.badRequest
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}</code></pre>
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<p>The basic header returns an <code>APIKey</code> credential.</p>
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<pre><code>class APIKey: Credentials {
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let id: String
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let secret: String
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}</code></pre>
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<h3 id="bearer">Bearer</h3>
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<p>Another common method is bearer which consists of a single API key.</p>
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<pre><code>Authorization: Bearer apikey123</code></pre>
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<p>It is accessed similarly to the basic header and returns an <code>AccessToken</code> credential.</p>
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<pre><code>class AccessToken: Credentials {
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let string: String
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}</code></pre>
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<h3 id="raw">Raw</h3>
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<p>To access the raw authorization header, use <code>req.auth.header?.header</code>.</p>
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<h2 id="credentials">Credentials</h2>
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<p>Both Basic and Bearer return something that conforms to <code>Credentials</code>. You can always create a custom <code>Credentials</code> object for authentication by conforming your own class to <code>Credentials</code> or by manually creating an <code>APIKey</code>, <code>AccessToken</code>, or <code>Identifier</code>.</p>
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<pre><code class="language-swift">let key = AccessToken(string: "apikey123")</code></pre>
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<h3 id="input">Input</h3>
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<p>You can also create credentials from form or JSON data.</p>
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<pre><code class="language-swift">guard
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let username = req.data["username"]?.string,
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let password = req.data["password"]?.string
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else {
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throw Abort.badRequest
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}
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let key = APIKey(id: username, secret: password)</code></pre>
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<h2 id="login">Login</h2>
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<p>Once you have some object that conforms to <code>Credentials</code>, you can try to login the user.</p>
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<pre><code class="language-swift">try req.auth.login(credentials)</code></pre>
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<p>If this call succeeds, the user is logged in and a session has been started. They will stay logged in as long as their cookie is valid.</p>
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<h3 id="authenticate">Authenticate</h3>
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<p>Logging in calls the <code>authenticate</code> method on <code>Auth.User</code> model you supplied to the <code>AuthMiddleware</code>. Make sure you add support for all the credential types you may want to use.</p>
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<blockquote>
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<p>Note: If you used a custom Realm, it will be called instead.</p>
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</blockquote>
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<h3 id="identifier">Identifier</h3>
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<p>Another important credential type is the <code>Identifier</code> type. This is used by Vapor when fetching the <code>User</code> object from the <code>vapor-auth</code> cookie. It is also a convenient way to log a user in manually.</p>
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<pre><code class="language-swift">static func authenticate(credentials: Credentials) throws -> Auth.User {
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switch credentials {
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...
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case let id as Identifier:
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guard let user = try User.find(id.id) else {
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throw Abort.custom(status: .badRequest, message: "Invalid identifier.")
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}
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return user
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...
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}
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}</code></pre>
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<p>Adding the <code>Identifier</code> case for <code>Credentials</code> is easy, just look up the user by the identifier.</p>
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<pre><code class="language-swift">let id = Identifier(id: 42)
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try req.auth.login(id)</code></pre>
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<p>Now you can manually log users in with just their identifiers.</p>
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<h3 id="ephemeral">Ephemeral</h3>
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<p>If you just want to log the user in for a single request, disable persistance. </p>
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<pre><code class="language-swift">req.auth.login(credentials, persist: false)</code></pre>
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<blockquote>
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<p>Note: Supporting <code>Identifier</code> credentials is required for persisted authentication to work properly.</p>
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</blockquote>
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<h2 id="user">User</h2>
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<p>By default, <code>request.auth.user()</code> returns the authorized <code>Auth.User</code>. This will need to be casted to your internal <code>User</code> type for use.</p>
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<p>Adding a convenience method on <code>Request</code> is a great way to simplify this.</p>
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<pre><code class="language-swift">extension Request {
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func user() throws -> User {
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guard let user = try auth.user() as? User else {
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throw Abort.custom(status: .badRequest, message: "Invalid user type.")
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}
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return user
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}
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}</code></pre>
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<p>Now you can access your <code>User</code> type with <code>try req.user()</code>.</p>
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</main>
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<script src="//code.jquery.com/jquery-1.11.0.min.js"></script>
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} else if (scrollTop < (lastScroll - 0)) {
|
|
if (isUp) {
|
|
$('a.toggle.show').removeClass('hide')
|
|
}
|
|
isUp = false;
|
|
lastScroll = scrollTop;
|
|
}
|
|
});
|
|
|
|
// scroll to the active nav item
|
|
$("nav .scroll").animate({
|
|
scrollTop: $("nav .active").offset().top - 157
|
|
}, 0);
|
|
|
|
// var lastScrollTop = 0;
|
|
// $(window).scroll(function(event){
|
|
// var st = $(this).scrollTop();
|
|
// if (st > lastScrollTop){
|
|
// $('a.toggle.show').addClass('hide')
|
|
// } else {
|
|
// $('a.toggle.show').removeClass('hide')
|
|
// }
|
|
// lastScrollTop = st;
|
|
// });
|
|
});
|
|
</script>
|
|
|
|
<script>
|
|
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
|
|
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
|
|
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
|
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
|
|
|
|
ga('create', 'UA-76177358-4', 'auto');
|
|
ga('send', 'pageview');
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|