tinymeng\OAuth2\Helper\Encryptor

Complexity

Total Complexity

2

Size/Duplication

Total Lines	40
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	decryptData()	0	15	2

<?php
/**
 * Encryptor
 */
namespace tinymeng\OAuth2\Helper;

use tinymeng\OAuth2\Exception\OAuthException;

class Encryptor{

    /**
     * 解密数据（微信小程序手机号）
     * @param string $sessionKey
     * @param string $iv
     * @param string $encrypted
     * @return array
     * array(4) {
     *      ["phoneNumber"]=>
     *      string(11) "1314666****"
     *      ["purePhoneNumber"]=>
     *      string(11) "1314666****"
     *      ["countryCode"]=>
     *      string(2) "86"
     *      ["watermark"]=>
     *      array(2) {
     *      ["timestamp"]=>
     *      int(1732589884)
     *      ["appid"]=>
     *      string(18) "wxb771b4b7fb****"
     *      }
     * }
     * @throws OAuthException
     */
    static public function decryptData(string $sessionKey, string $iv, string $encrypted): array
    {
        $decrypted = AES::decrypt(
            base64_decode($encrypted, false),
            base64_decode($sessionKey, false),
            base64_decode($iv, false)
        );

        $decrypted = json_decode($decrypted, true);

        if (!$decrypted) {
            throw new OAuthException("The given payload is invalid.");
        }

        return $decrypted;
    }
}