Exception
11 months ago
CloudFrontClient.php
11 months ago
CookieSigner.php
11 months ago
Signer.php
11 months ago
UrlSigner.php
11 months ago
CookieSigner.php
66 lines
| 1 | <?php |
| 2 | namespace Aws\CloudFront; |
| 3 | |
| 4 | class CookieSigner |
| 5 | { |
| 6 | /** @var Signer */ |
| 7 | private $signer; |
| 8 | |
| 9 | private static $schemes = [ |
| 10 | 'http' => true, |
| 11 | 'https' => true, |
| 12 | ]; |
| 13 | |
| 14 | /** |
| 15 | * @param $keyPairId string ID of the key pair |
| 16 | * @param $privateKey string Path to the private key used for signing |
| 17 | * |
| 18 | * @throws \RuntimeException if the openssl extension is missing |
| 19 | * @throws \InvalidArgumentException if the private key cannot be found. |
| 20 | */ |
| 21 | public function __construct($keyPairId, $privateKey) |
| 22 | { |
| 23 | $this->signer = new Signer($keyPairId, $privateKey); |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * Create a signed Amazon CloudFront Cookie. |
| 28 | * |
| 29 | * @param string $url URL to sign (can include query string |
| 30 | * and wildcards). Not required |
| 31 | * when passing a custom $policy. |
| 32 | * @param string|integer|null $expires UTC Unix timestamp used when signing |
| 33 | * with a canned policy. Not required |
| 34 | * when passing a custom $policy. |
| 35 | * @param string $policy JSON policy. Use this option when |
| 36 | * creating a signed cookie for a custom |
| 37 | * policy. |
| 38 | * |
| 39 | * @return array The authenticated cookie parameters |
| 40 | * @throws \InvalidArgumentException if the URL provided is invalid |
| 41 | * @link http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-signed-cookies.html |
| 42 | */ |
| 43 | public function getSignedCookie($url = null, $expires = null, $policy = null) |
| 44 | { |
| 45 | if ($url) { |
| 46 | $this->validateUrl($url); |
| 47 | } |
| 48 | |
| 49 | $cookieParameters = []; |
| 50 | $signature = $this->signer->getSignature($url, $expires, $policy); |
| 51 | foreach ($signature as $key => $value) { |
| 52 | $cookieParameters["CloudFront-$key"] = $value; |
| 53 | } |
| 54 | |
| 55 | return $cookieParameters; |
| 56 | } |
| 57 | |
| 58 | private function validateUrl($url) |
| 59 | { |
| 60 | $scheme = str_replace('*', '', explode('://', $url)[0]); |
| 61 | if (empty(self::$schemes[strtolower($scheme)])) { |
| 62 | throw new \InvalidArgumentException('Invalid or missing URI scheme'); |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 |