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75 lines
2.7 KiB
PHP
75 lines
2.7 KiB
PHP
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<?php
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/**
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* REST API class
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*
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* Request for the given url using cURL
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* and send the AccessToken for authentication
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* to make public access for the user.
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*
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* @author Shubham Meena, mentored by Matthew Lagoe
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*/
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class Rest_Api {
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/**
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* Makes a request using cURL with authentication headers , data to post and returns the response.
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*
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* @param $url where request is to be sent
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* @param $applicationKey user generated key
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* @param $host host for the website
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* @param $data data to send using POST request
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*
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* @return $response URL response.
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*/
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public function request( $url , $applicationKey, $host , $data )
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{
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// Check the referer is the host website
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$referer = $_SERVER['HTTP_REFERER'];
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$referer_parse = parse_url( $referer );
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if ( $referer_parse['host'] == $host ) {
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// Initialize the cURL session with the request URL
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$session = curl_init( $url );
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// Tell cURL to return the request data
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curl_setopt( $session, CURLOPT_RETURNTRANSFER, true );
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// Set the HTTP request authentication headers
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$headers = array(
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'AppKey: ' . $applicationKey,
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'Timestamp: ' . date( 'Ymd H:i:s', time() ),
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'Accept: application/json',
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'Content-Type: application/json'
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);
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curl_setopt( $session, CURLOPT_HTTPHEADER, $headers );
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curl_setopt( $session, CURLOPT_CUSTOMREQUEST, "POST" );
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curl_setopt( $session, CURLOPT_POSTFIELDS, $data );
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// Execute cURL on the session handle
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$response = curl_exec( $session );
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if ( curl_errno( $session ) ) {
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// if request is not sent
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die( 'Couldn\'t send request: ' . curl_error( $session ) );
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} else {
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// check the HTTP status code of the request
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$resultStatus = curl_getinfo( $session, CURLINFO_HTTP_CODE );
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if ( $resultStatus == 200 ) {
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// everything went fine return response
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return $response;
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} else {
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// the request did not complete as expected. common errors are 4xx
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// (not found, bad request, etc.) and 5xx (usually concerning
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// errors/exceptions in the remote script execution)
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die( 'Request failed: HTTP status code: ' . $resultStatus );
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}
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}
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curl_close( $session );
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}
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else {
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return null;
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}
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}
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}
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