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<title>[6598] sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-stripe-client.php: Stripe: Add lean client to replace `stripe-php` library.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/6598">6598</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/6598","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>iandunn</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-02-12 17:35:15 +0000 (Mon, 12 Feb 2018)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Stripe: Add lean client to replace `stripe-php` library.</pre>

<h3>Added Paths</h3>
<ul>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentmupluginsutilitiesclassstripeclientphp">sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-stripe-client.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentmupluginsutilitiesclassstripeclientphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-stripe-client.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-stripe-client.php                              (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/utilities/class-stripe-client.php        2018-02-12 17:35:15 UTC (rev 6598)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,73 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+
+namespace WordCamp\Utilities;
+use WordCamp\Logger;
+use Exception;
+
+defined( 'WPINC' ) || die();
+
+/**
+ * A lean Stripe client.
+ *
+ * This is favorable over the official `stripe-php` library, because we don't have to worry about keeping it
+ * updated, it only has the functionality we're actually using, we won't end up with unit tests, etc inside
+ * a publicly accessible folder, etc.
+ */
+class Stripe_Client {
+       const API_URL = 'https://api.stripe.com';
+       protected $secret_key;
+
+       /**
+        * Constructor
+        *
+        * @param $secret_key
+        */
+       public function __construct( $secret_key ) {
+               $this->secret_key = $secret_key;
+       }
+
+       /**
+        * Charge the attendee for their ticket via Stripe's API
+        *
+        * @param array $body    Transaction data to send to Stripe API.
+        *                       See https://stripe.com/docs/api#create_charge for valid fields.
+        *                       The `source` parameter is a card token from https://checkout.stripe.com/checkout.js.
+        * @param array $headers Optionally add extra headers to the request, like `Idempotency-Key`.
+        *
+        * @return object
+        * @throws Exception
+        */
+       public function charge( $body, $headers = array() ) {
+               if ( isset( $body['statement_descriptor'] ) ) {
+                       $body['statement_descriptor'] = sanitize_text_field( $body['statement_descriptor'] );
+                       $body['statement_descriptor'] = str_replace( array( '<', '>', '"', "'" ), '', $body['statement_descriptor'] );
+                       $body['statement_descriptor'] = mb_substr( $body['statement_descriptor'], 0, 22 );
+               }
+
+               $headers = shortcode_atts( array(
+                       'Authorization' => 'Bearer ' . $this->secret_key,
+               ), $headers );
+
+               $request_args = array(
+                       'user-agent' => 'WordCamp.org :: ' . __CLASS__,
+                       'body'       => $body,
+                       'headers'    => $headers,
+               );
+
+               $response = wp_remote_post( self::API_URL . '/v1/charges', $request_args );
+
+               if ( is_wp_error( $response ) ) {
+                       Logger\log( 'response_error', $response );
+                       throw new Exception( $response->get_error_message() );
+               }
+
+               $body = json_decode( wp_remote_retrieve_body( $response ) );
+
+               if ( empty( $body->id ) || empty( $body->paid ) || ! $body->paid ) {
+                       Logger\log( 'unexpected_response_body', $response );
+                       throw new Exception( 'Unexpected response body.' );
+               }
+
+               return $body;
+       }
+}
</ins></span></pre>
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