Spark PHP Proxy

proxy.php

<?php
// Set your access token here
define('ACCESS_TOKEN', 'your_access_token_here');


// Make sure we have an HTTP_ACCEPT header,
// and if so, make it lower-case for easier string matching
if(isset($_SERVER['HTTP_ACCEPT']))
	$_SERVER['HTTP_ACCEPT'] = strtolower($_SERVER['HTTP_ACCEPT']);
else
	$_SERVER['HTTP_ACCEPT'] = '';


// Build the URL.  Since it's possible to accidentally have an
// extra / or two in $_SERVER['QUERY_STRING], replace "//" with "/"
// using str_replace().  This also appends the access token to the URL.
$url = 'https://'.str_replace('//', '/', 'api.spark.io/'.$_SERVER['QUERY_STRING'].'?access_token='.ACCESS_TOKEN);


// Check to see if we want to monitor an SSE stream
if($_SERVER['HTTP_ACCEPT']=='text/event-stream') {
		// Requisite response headers
		header('Content-type: text/event-stream');
		header('Cache-control: no-cache');

		// Open the URL
		$sse = fopen($url, 'r');

		// Loop until the server stops sending us data
		while(!feof($sse)) {
				// Output the data
				echo trim(fgets($sse)).PHP_EOL;
				echo PHP_EOL;

				// Force a flush to the browser
				ob_flush();
				flush();
		}

		// All's well that ends well?
		fclose($sse);
		exit;
} else {
		// Most everything else should be JSON
		header('Content-type: application/json');

		// HTTP GET requests are easy!
		if(strtoupper($_SERVER['REQUEST_METHOD'])=='GET')
				echo file_get_contents($url);

		// HTTP POST requires the use of cURL
		elseif (strtoupper($_SERVER['REQUEST_METHOD'])=='POST') {
				$c = curl_init();

				curl_setopt_array($c, array(
						// Set the URL to access
						CURLOPT_URL => $url,
						// Tell cURL it's an HTTP POST request
						CURLOPT_POST => TRUE,
						// Include the POST data
						// $HTTP_RAW_POST_DATA may work on some servers, but it's deprecated in favor of php://input
						CURLOPT_POSTFIELDS => file_get_contents('php://input'),
						// Return the output to a variable instead of automagically echoing it (probably a little redundan$
						CURLOPT_RETURNTRANSFER => TRUE
				));

				// Make the cURL call and echo the response
				echo curl_exec($c);

				// Close the cURL resource
				curl_close($c);
		}
}
?>