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<?php |
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/* |
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* This file is part of the Bouncer package. |
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* |
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* (c) François Hodierne <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Bouncer\Resource; |
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use Bouncer\Bouncer; |
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use Bouncer\Resource; |
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class Signature extends Resource |
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{ |
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/** |
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* HTTP Headers used to compute the signature |
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* |
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* @var array |
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*/ |
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public static $signatureHeaders = array( |
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'User-Agent', |
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'Accept', |
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'Accept-Charset', |
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'Accept-Language', |
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'Accept-Encoding', |
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'From', |
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'Dnt', |
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); |
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/** |
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* The unique id |
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* |
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* @var string |
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*/ |
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protected $id; |
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/** |
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* The HTTP headers (used to compute the signature) |
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* |
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* @var array |
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*/ |
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protected $headers; |
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public function getId() |
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{ |
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return $this->id; |
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} |
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public function setId($id) |
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{ |
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$this->id = $id; |
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} |
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public function setHeaders($headers) |
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{ |
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$this->headers = $headers; |
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$this->id = self::hash($this->headers); |
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} |
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public function getLanguage() |
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{ |
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return $this->getAttribute('language'); |
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} |
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public function getCountryCode() |
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{ |
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return $this->getAttribute('country_code'); |
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} |
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// Static |
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public static function hash($array) |
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{ |
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$array = self::filterArrayKeys($array, self::$signatureHeaders); |
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ksort($array); |
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$string = ''; |
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foreach ($array as $key => $value) { |
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$key = self::normalizeKey($key); |
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$string .= "$key:$value;"; |
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} |
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return Bouncer::hash($string); |
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} |
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public static function filterArrayKeys($array = array(), $keys = array()) |
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{ |
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$ikeys = array_map('strtolower', $keys); |
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foreach ($array as $key => $value) { |
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$ikey = strtolower($key); |
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if (!in_array($ikey, $ikeys)) { |
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unset($array[$key]); |
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} |
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} |
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return $array; |
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} |
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public static function normalizeKey($key) |
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{ |
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if (strpos($key, '-')) { |
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$parts = explode('-', $key); |
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$parts = array_map('strtolower', $parts); |
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$parts = array_map('ucfirst', $parts); |
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$key = implode('-', $parts); |
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} else { |
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$key = ucfirst(strtolower($key)); |
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} |
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return $key; |
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} |
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} |
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znarf /
bouncer
