/* DISCLAIMER:
	All sample code is provided by Fleetmatics, A Verizon Company, for illustrative purposes only. 
	These examples have not been thoroughly tested under all conditions. Fleetmatics, therefore, 
	cannot guarantee or imply reliability, serviceability, or function of these programs. 
	All programs contained herein are provided to you “AS IS” without any warranties of any kind.
*/

<?php
	$username = 'USERNAME';
	$password = 'PASSWORD';
	$FIM_endpoint = 'https://fim.api.us.fleetmatics.com/token';		// or https://fim.api.eu.fleetmatics.com/token

	//Call method and set variable to authorization string
	$token = get_token($FIM_endpoint, $username, $password);

	echo $token;

	function get_token($url, $username, $password)
	{
		//Create necessary headers for REST call
		$headers = array();
		$headers[] = make_authorization_header($username, $password);	//Send to function to Base64 encode
		$headers[] = 'Accept: text/plain';								//Authorization token comes back as plain text

		$session = curl_init($url);								//Initialize transfer with URL
		curl_setopt($session, CURLOPT_HEADER, false); 			//Exclude header info in response
		curl_setopt($session, CURLOPT_RETURNTRANSFER, true); 	//Return transfer as a string of the return value of curl_exec()
		curl_setopt($session, CURLOPT_HTTPHEADER, $headers);	//Pass in headers 
		
		//Execute transfer of $session
		$response = curl_exec($session); 					
		
		//Get http code outcome of the #session transfer
		$http_code = curl_getinfo($session, CURLINFO_HTTP_CODE);
			
		//Measure false response/error
		if($response === false)
		{
			echo 'Error: '. curl_error($session);
		}
		
		//ALWAYS close transfer connection 
		curl_close($session);
			
		//Evaluate variable for non 200(OK) http code
		if($http_code !== 200)
		{
			echo 'Error: Http Status Code returned '.$http_code;
		}    
	   
		return $response;    
	}

	function make_authorization_header($username, $password)
	{
		//Base64 encode username:password; note: the ':' must be present between them
		$encodedString = base64_encode($username.':'.$password);
		
		//Return concatenated Authorization string
		return 'Authorization: Basic '.$encodedString;
	}
?>