Oakhope\OAuth2\Client\Support\MiniProgram\MiniProgramDataCrypt::decryptData()

Complexity

Conditions	6
Paths	6

Size

Total Lines	27
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function decryptData($encryptedData, $iv, &$data)
    {
        if (strlen($this->sessionKey) != 24) {
            return self::ILLEGAL_AES_KEY;
        }

        if (strlen($iv) != 24) {
            return self::ILLEGAL_IV;
        }

        $encoder = new PKCS7Encoder();
        $result = $encoder->decrypt($encryptedData, $this->sessionKey, $iv);

        if ($result[0] != 0) {
            return $result[0];
        }

        if ($result[1] == null) {
            return self::ILLEGAL_BUFFER;
        }
        if ($result[1]->watermark->appid != $this->appid) {
            return self::ILLEGAL_BUFFER;
        }
        $data = $result[1];

        return self::OK;
    }
}