Add Slack integration

1 files changed, 67 insertions, 0 deletions

diff --git a/app/Core/HttpClient.php b/app/Core/HttpClient.php
new file mode 100644
index 00000000..96860152
--- /dev/null
+++ b/app/Core/HttpClient.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace Core;
+
+/**
+ * HTTP client
+ *
+ * @package  core
+ * @author   Frederic Guillot
+ */
+class HttpClient
+{
+    /**
+     * HTTP connection timeout in seconds
+     *
+     * @var integer
+     */
+    const HTTP_TIMEOUT = 2;
+
+    /**
+     * Number of maximum redirections for the HTTP client
+     *
+     * @var integer
+     */
+    const HTTP_MAX_REDIRECTS = 2;
+
+    /**
+     * HTTP client user agent
+     *
+     * @var string
+     */
+    const HTTP_USER_AGENT = 'Kanboard Webhook';
+
+    /**
+     * Send a POST HTTP request
+     *
+     * @static
+     * @access public
+     * @param  string  $url
+     * @param  array   $data
+     * @return string
+     */
+    public static function post($url, array $data)
+    {
+        if (empty($url)) {
+            return '';
+        }
+
+        $headers = array(
+            'Connection: close',
+            'User-Agent: '.self::HTTP_USER_AGENT,
+        );
+
+        $context = stream_context_create(array(
+            'http' => array(
+                'method' => 'POST',
+                'protocol_version' => 1.1,
+                'timeout' => self::HTTP_TIMEOUT,
+                'max_redirects' => self::HTTP_MAX_REDIRECTS,
+                'header' => implode("\r\n", $headers),
+                'content' => json_encode($data)
+            )
+        ));
+
+        return @file_get_contents(trim($url), false, $context);
+    }
+}