mirror of https://github.com/vapor/docs.git
1236 lines
29 KiB
HTML
1236 lines
29 KiB
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Type to start searching
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SPM
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Application
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Controllers
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Routing
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Content
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Futures
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Deployment
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Concepts
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Vapor
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Content
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<a href="../../concepts/services/" title="Services" class="md-nav__link">
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Services
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HTTP
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<a href="../../concepts/code-contributions/" title="Code Contributions" class="md-nav__link">
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Code Contributions
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Async
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Async
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<a href="../../async/getting-started/" title="Package" class="md-nav__link">
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Package
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Futures
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<a href="../../async/streams/" title="Streams" class="md-nav__link">
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Streams
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<a href="../../async/eventloop/" title="EventLoop" class="md-nav__link">
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EventLoop
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<li class="md-nav__item">
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<a href="../../async/reactive/" title="Reactive Programming" class="md-nav__link">
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Reactive Programming
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HTTP
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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HTTP
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<a href="../getting-started/" title="Package" class="md-nav__link">
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Package
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<a href="https://github.com/vapor/documentation/edit/beta/3.0/docs/http/client.md" title="Edit this page" class="md-icon md-content__icon"></a>
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<h1 id="http-client">HTTP Client<a class="headerlink" href="#http-client" title="Permanent link">¶</a></h1>
|
|
<p>HTTP Clients are often used to communicate with external APIs such as PayPal, Stripe or Mailgun.</p>
|
|
<h2 id="connecting">Connecting<a class="headerlink" href="#connecting" title="Permanent link">¶</a></h2>
|
|
<p>Connecting only requires a hostname and a boolean indicating if you want to use SSL. For almost every use case it is recommended to use SSL. If you're processing any sensitive data such as payments, emails and other personal data you will need to use SSL by setting it to <code>true</code>.</p>
|
|
<p>HTTP clients require an eventloop to run on. The <code>EventLoop</code> is described in <a href="../../async/eventloop/">the async concepts introduction</a>.</p>
|
|
<div class="codehilite"><pre><span></span><span class="c1">// Future<HTTPClient></span>
|
|
<span class="kd">let</span> <span class="nv">client</span> <span class="p">=</span> <span class="k">try</span> <span class="n">HTTPClient</span><span class="p">.</span><span class="n">connect</span><span class="p">(</span>
|
|
<span class="n">to</span><span class="p">:</span> <span class="s">"example.com"</span><span class="p">,</span>
|
|
<span class="n">ssl</span><span class="p">:</span> <span class="kc">true</span><span class="p">,</span>
|
|
<span class="n">on</span><span class="p">:</span> <span class="n">eventLoop</span>
|
|
<span class="p">)</span>
|
|
</pre></div>
|
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|
|
|
|
<p>You can override the port by specifying a custom port using the following parameters:</p>
|
|
<div class="codehilite"><pre><span></span><span class="c1">// Future<HTTPClient></span>
|
|
<span class="kd">let</span> <span class="nv">client</span> <span class="p">=</span> <span class="k">try</span> <span class="n">HTTPClient</span><span class="p">.</span><span class="n">connect</span><span class="p">(</span>
|
|
<span class="n">to</span><span class="p">:</span> <span class="s">"localhost"</span><span class="p">,</span>
|
|
<span class="n">port</span><span class="p">:</span> <span class="mi">8080</span><span class="p">,</span>
|
|
<span class="n">ssl</span><span class="p">:</span> <span class="kc">false</span><span class="p">,</span>
|
|
<span class="n">on</span><span class="p">:</span> <span class="n">eventLoop</span>
|
|
<span class="p">)</span>
|
|
</pre></div>
|
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|
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|
|
<h2 id="sending-requests">Sending Requests<a class="headerlink" href="#sending-requests" title="Permanent link">¶</a></h2>
|
|
<p>From here, you can send <a href="../http/request.md">Requests</a>. You can only send one request at a time. Sending a request before a <a href="../http/response.md">Response</a> has been received has unpredictable consequences.</p>
|
|
<div class="codehilite"><pre><span></span><span class="c1">// Future<Response></span>
|
|
<span class="kd">let</span> <span class="nv">response</span> <span class="p">=</span> <span class="n">client</span><span class="p">.</span><span class="n">flatMap</span> <span class="p">{</span> <span class="n">connectedClient</span> <span class="k">in</span>
|
|
<span class="kd">let</span> <span class="nv">request</span> <span class="p">=</span> <span class="n">Request</span><span class="p">(</span>
|
|
<span class="n">method</span><span class="p">:</span> <span class="p">.</span><span class="kr">get</span><span class="p">,</span>
|
|
<span class="n">uri</span><span class="p">:</span> <span class="s">"https://example.com/"</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="k">return</span> <span class="n">connectedClient</span><span class="p">.</span><span class="n">send</span><span class="p">(</span><span class="n">request</span><span class="p">:</span> <span class="n">request</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
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