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@christoferw
Created November 9, 2013 11:21
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full and fixed class file
<?php
//from: http://coreymaynard.com/blog/creating-a-restful-api-with-php/#toc_5
abstract class API{
/**
* Property: method
* The HTTP method this request was made in, either GET, POST, PUT or DELETE
*/
protected $method = '';
/**
* Property: endpoint
* The Model requested in the URI. eg: /files
*/
protected $endpoint = '';
/**
* Property: verb
* An optional additional descriptor about the endpoint, used for things that can
* not be handled by the basic methods. eg: /files/process
*/
protected $verb = '';
/**
* Property: args
* Any additional URI components after the endpoint and verb have been removed, in our
* case, an integer ID for the resource. eg: /<endpoint>/<verb>/<arg0>/<arg1>
* or /<endpoint>/<arg0>
*/
protected $args = Array();
/**
* Property: file
* Stores the input of the PUT request
*/
protected $file = Null;
/**
* Constructor: __construct
* Allow for CORS, assemble and pre-process the data
*/
public function __construct($request) {
header("Access-Control-Allow-Orgin: *");
header("Access-Control-Allow-Methods: *");
header("Content-Type: application/json");
$this->args = explode('/', rtrim($request, '/'));
$this->endpoint = array_shift($this->args);
if (array_key_exists(0, $this->args) && !is_numeric($this->args[0])) {
$this->verb = array_shift($this->args);
}
$this->method = $_SERVER['REQUEST_METHOD'];
if ($this->method == 'POST' && array_key_exists('HTTP_X_HTTP_METHOD', $_SERVER)) {
if ($_SERVER['HTTP_X_HTTP_METHOD'] == 'DELETE') {
$this->method = 'DELETE';
} else if ($_SERVER['HTTP_X_HTTP_METHOD'] == 'PUT') {
$this->method = 'PUT';
} else {
throw new Exception("Unexpected Header");
}
}
switch($this->method) {
case 'DELETE':
case 'POST':
$this->request = $this->_cleanInputs($_POST);
break;
case 'GET':
$this->request = $this->_cleanInputs($_GET);
break;
case 'PUT':
$this->request = $this->_cleanInputs($_GET);
$this->file = file_get_contents("php://input");
break;
default:
$this->_response('Invalid Method', 405);
break;
}
}
public function processAPI() {
if ((int)method_exists($this, $this->endpoint) > 0) {
return $this->_response($this->{$this->endpoint}($this->args));
}
return $this->_response('', 400);
}
private function _response($data, $status = 200) {
header("HTTP/1.1 " . $status . " " . $this->_requestStatus($status));
return json_encode($data);
}
private function _cleanInputs($data) {
$clean_input = Array();
if (is_array($data)) {
foreach ($data as $k => $v) {
$clean_input[$k] = $this->_cleanInputs($v);
}
} else {
$clean_input = trim(strip_tags($data));
}
return $clean_input;
}
private function _requestStatus($code) {
$status = array(
100 => 'Continue',
101 => 'Switching Protocols',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
306 => '(Unused)',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported');
return ($status[$code])?$status[$code]:$status[500];
}
}
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