first WIP implementation

functions.php

@@ -0,0 +1,52 @@
+<?php
+function abort($msg="Unknown")
+{
+	header("403 Forbidden");
+	$response = array(
+			"success" => false,
+			"message" => $msg
+			);
+	echo json_encode($response);
+	print("\n");
+	exit();
+}
+
+function exec_curl_request($handle)
+{
+	$response = curl_exec($handle);
+
+	if ($response === false) {
+		$errno = curl_errno($handle);
+		$error = curl_error($handle);
+		error_log("Curl returned error $errno: $error\n");
+		curl_close($handle);
+		return false;
+	}
+
+	$http_code = intval(curl_getinfo($handle, CURLINFO_HTTP_CODE));
+	curl_close($handle);
+
+	if ($http_code >= 500) {
+		// do not want to DDOS server if something goes wrong
+		sleep(10);
+		return false;
+	} else if ($http_code != 200) {
+		$response = json_decode($response, true);
+		error_log("Request has failed with error {$response['error']}\n");
+		if ($http_code == 401) {
+			throw new Exception('Invalid access token provided');
+		}
+		return false;
+	} else {
+		$response = json_decode($response, true);
+		if (isset($response["event_id"])) {
+			$response = true;
+		} else {
+			$response = false;
+		}
+	}
+
+	return $response;
+
+}
+?>