PHP simple implementation of Ali cloud content security interface sensitive words Green scan, image scan

No nonsense just look at the code

class AliyunGreen
{
    private $accessKeyId;
    private $accessKeySecret;
    private $url = 'https://green.%s.aliyuncs.com%s';
    private $api;
    private $signatureNonce = ' ';

    public function __construct($accessKeyId.$accessKeySecret.$area.$api.$signatureNonce)
    {
        $this->accessKeyId = $accessKeyId;
        $this->accessKeySecret = $accessKeySecret;
        $this->api = $api;
        $this->url = \sprintf($this->url, $area.$api);
        $this->signatureNonce = $signatureNonce;
    }

    / * * *@param string $body
     * @param string $clientInfo
     * @return mixed
     */
    private function setQueryUrl(string $body.string $clientInfo)
    {
        $headers = $this->setHeader($body);

        $str = "POST" . PHP_EOL;
        foreach ($headers as $k= >$v) {
            if (strpos($k.'x-acs') = = =0) {
                $str. =$k . ':' . $v . PHP_EOL;
            } else {
                $str. =$v. PHP_EOL; }}if (isset($clientInfo) && $clientInfo! =' ') {
            $str. ="$this->api? clientInfo=" . $clientInfo;
        } else {
            $str. =$this->api;
        }

        $signature = base64_encode(hash_hmac("sha1".$str.$this->accessKeySecret, true));
        $Authorization = ['Authorization'= >"acs $this->accessKeyId:$signature"];

        $httpHeader = array_merge($headers.$Authorization);
        $queryHeader = [];
        foreach ($httpHeader as $k= >$v) {
            $queryHeader[] = $k . ':' . $v;
        }
        if (isset($clientInfo) && $clientInfo! =' ') {
            $this->url = $this->url . '? clientInfo=' . urlencode($clientInfo);
        }

        $res = $this->curl($this->url, true.$body.$queryHeader);
        return json_decode($res.1);
    }

    / * * *@param string $body
     * @return array
     */
    private function setHeader(string $body) :array
    {
        $headers = [
            'Accept'= >'application/json'.'Content-MD5' => base64_encode(md5($body.1)),
            'Content-Type'= >'application/json'.'Date' => gmdate('D, d M Y H:i:s T', time()), //'Tue, 17 Jan 2017 10:16:36 GMT
            'x-acs-version'= >'2018-05-09'.'x-acs-signature-nonce'= >$this->signatureNonce == ' ' ? $this->getSignatureNonce(10) : $this->signatureNonce,
            'x-acs-signature-version'= >'1.0'.'x-acs-signature-method'= >'HMAC-SHA1',]; ksort($headers);
        return $headers;
    }

    / * * *@param string $url
     * @param bool $isPost
     * @param $arr
     * @param array $header
     * @return bool|string
     */
    public function curl(string $url.bool $isPost.$arr.array $header)
    {
        try {
            $ch = curl_init();
            if ($ch= = =false) {
                throw new Exception('failed to initialize');
            }
            if (stripos($url."https://")! = =false) {
                // Close the certificate
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            }
            if (!empty($header)) {
                curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
                curl_setopt($ch, CURLOPT_HEADER, 0); // Returns the response header
            }
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            / / post way
            if (!empty($isPost)) {
                if (is_array($arr)) {
                    $content = http_build_query($arr); // Enter the content of the parameter
                } else {
                    $content = $arr;
                }
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $content); / / preaching to participate
            }

            $sContent = curl_exec($ch);
            if ($sContent= = =false) {
                throw new Exception(curl_error($ch), curl_errno($ch));
            }
            $aStatus = curl_getinfo($ch);
            curl_close($ch);
            return $sContent;
        } catch (Exception $e) {
            trigger_error(sprintf(
                'Curl failed with error #%d: %s'.$e->getCode(), $e->getMessage()), E_USER_ERROR); }}/ * * *@param int $length
     * @return string
     */
    private function getSignatureNonce(int $length) :string
    {
        $str = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $len = strlen($str) - 1;
        $randstr = ' ';
        for ($i = 0; $i < $length; $i{+ +)$num = mt_rand(0.$len);
            $randstr. =$str[$num];
        }
        return $randstr;
    }

    // Text review
    public function textScan($content)
    {
        $tasks = $this->setQueryUrl($content.' ');
        print_r($tasks);
    }

    // Image audit
    public function imageScan($content)
    {
        $tasks = $this->setQueryUrl($content.' ');
        print_r($tasks); }}// The usage mode
$text = new AliyunGreen('id'.'secret'.'cn-beijing'.'/green/text/scan'.' ');
$body = '{"scenes": ["antispam"],"tasks": [{"dataId": "cfd33235-71a4-468b-8137-a5ffe323a7e8","content": "Our school small loan, safe, fast, convenient, unsecured, random with the loan, the same day lending, door-to-door service. "}]}';
print_r($text->textScan($body));

$image = new AliyunGreen('id'.'secret'.'cn-shenzhen'.'/green/image/scan'.' ');
$body = '{"scenes":["porn"],"tasks":[{"dataId":"test2NInmO$tAON6qYUrtCRgLo-1mwxdi","url":"https://img.alicdn.com/tfs/TB1urBOQFXX XXbMXFXXXXXXXXXX-1442-257.png"}]}';
print_r($image->imageScan($body));
Copy the code