Differential D8930 Diff 21449 externals/twilio-php/Services/Twilio/RequestValidator.php

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Standalone View

Property	Old Value	New Value
File Mode	null	100755

				<?php

				class Services_Twilio_RequestValidator
				{

				protected $AuthToken;

				function __construct($token)
				{
				$this->AuthToken = $token;
				}

				public function computeSignature($url, $data = array())
				{
				// sort the array by keys
				ksort($data);

				// append them to the data string in order
				// with no delimiters
				foreach($data as $key => $value)
				$url .= "$key$value";

				// This function calculates the HMAC hash of the data with the key
				// passed in
				// Note: hash_hmac requires PHP 5 >= 5.1.2 or PECL hash:1.1-1.5
				// Or http://pear.php.net/package/Crypt_HMAC/
				return base64_encode(hash_hmac("sha1", $url, $this->AuthToken, true));
				}

				public function validate($expectedSignature, $url, $data = array())
				{
				return $this->computeSignature($url, $data)
				== $expectedSignature;
				}

				}