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<?php
/*
* Copyright 2014 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under AGPLv3
* (see COPYING for full license text)
*
*/
class Api extends MY_Controller {
public function __construct()
{
parent::__construct();
$this->load->model('mfile');
$this->load->model('mmultipaste');
}
public function route() {
try {
$requested_version = $this->uri->segment(2);
$controller = $this->uri->segment(3);
$function = $this->uri->segment(4);
if (!preg_match("/^v([0-9]+)(.[0-9]+){0,2}$/", $requested_version)) {
throw new \exceptions\UserInputException("api/invalid-version", "Invalid API version requested");
}
$requested_version = substr($requested_version, 1);
$major = intval(explode(".", $requested_version)[0]);
if (!preg_match("/^[a-zA-Z-_]+$/", $controller)) {
throw new \exceptions\UserInputException("api/invalid-endpoint", "Invalid endpoint requested");
}
if (!preg_match("/^[a-zA-Z-_]+$/", $function)) {
throw new \exceptions\UserInputException("api/invalid-endpoint", "Invalid endpoint requested");
}
$namespace = "controllers\\api\\v".$major;
$class = $namespace."\\".$controller;
$class_info = $namespace."\\api_info";
if (!class_exists($class_info) || version_compare($class_info::get_version(), $requested_version, "<")) {
throw new \exceptions\UserInputException("api/version-not-supported", "Requested API version is not supported");
}
if (!class_exists($class)) {
throw new \exceptions\UserInputException("api/unknown-endpoint", "Unknown endpoint requested");
}
$c= new $class;
if (!method_exists($c, $function)) {
throw new \exceptions\UserInputException("api/unknown-endpoint", "Unknown endpoint requested");
}
return $this->send_json_reply($c->$function());
} catch (\exceptions\PublicApiException $e) {
return $this->send_json_error_reply($e->get_error_id(), $e->getMessage(), $e->get_data());
} catch (\Exception $e) {
\libraries\ExceptionHandler::log_exception($e);
return $this->send_json_error_reply("internal-error", "An unhandled internal server error occured");
}
}
private function send_json_reply($array, $status = "success") {
$reply = array();
$reply["status"] = $status;
$reply["data"] = $array;
$CI =& get_instance();
$CI->output->set_content_type('application/json');
$CI->output->set_output(json_encode($reply));
}
private function send_json_error_reply($error_id, $message, $array = null, $status_code = 400) {
$reply = array();
$reply["status"] = "error";
$reply["error_id"] = $error_id;
$reply["message"] = $message;
if ($array !== null) {
$reply["data"] = $array;
}
$CI =& get_instance();
$CI->output->set_status_header($status_code);
$CI->output->set_content_type('application/json');
$CI->output->set_output(json_encode($reply));
}
}
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