127 lines
4.2 KiB
PHP
127 lines
4.2 KiB
PHP
<?php
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namespace lib;
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use Exception;
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class AliyunRecognize
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{
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private $AccessKeyId;
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private $AccessKeySecret;
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private $Endpoint = 'ocr-api.cn-hangzhou.aliyuncs.com'; //API接入域名
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private $Version = '2021-07-07'; //API版本号
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function __construct($AccessKeyId, $AccessKeySecret){
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$this->AccessKeyId = $AccessKeyId;
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$this->AccessKeySecret = $AccessKeySecret;
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}
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//身份证识别
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public function RecognizeIdcard($file_path){
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$arr = $this->request(__FUNCTION__, file_get_contents($file_path), true);
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return json_decode($arr['Data'],true);
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}
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//护照识别
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public function RecognizePassport($file_path){
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$arr = $this->request(__FUNCTION__, file_get_contents($file_path), true);
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return json_decode($arr['Data'],true);
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}
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//银行卡识别
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public function RecognizeBankCard($file_path){
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$arr = $this->request(__FUNCTION__, file_get_contents($file_path), true);
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return json_decode($arr['Data'],true);
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}
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//营业执照识别
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public function RecognizeBusinessLicense($file_path){
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$arr = $this->request(__FUNCTION__, file_get_contents($file_path), true);
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return json_decode($arr['Data'],true);
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}
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//银行开户许可证识别
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public function RecognizeBankAccountLicense($file_path){
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$arr = $this->request(__FUNCTION__, file_get_contents($file_path), true);
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return json_decode($arr['Data'],true);
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}
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//签名方法
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private function aliyunSignature($parameters, $accessKeySecret, $method)
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{
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ksort($parameters);
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$canonicalizedQueryString = '';
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foreach ($parameters as $key => $value) {
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if($value === null || $value instanceof \CURLFile) continue;
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$canonicalizedQueryString .= '&' . $this->percentEncode($key) . '=' . $this->percentEncode($value);
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}
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$stringToSign = $method . '&%2F&' . $this->percentencode(substr($canonicalizedQueryString, 1));
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$signature = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&", true));
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return $signature;
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}
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private function percentEncode($str)
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{
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$search = ['+', '*', '%7E'];
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$replace = ['%20', '%2A', '~'];
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return str_replace($search, $replace, urlencode($str));
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}
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//请求方法（当需要返回列表等数据时，returnData=true）
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private function request($action, $file = null, $returnData=false){
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if(empty($this->AccessKeyId)||empty($this->AccessKeySecret))return false;
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$url='https://'.$this->Endpoint.'/';
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$data=array(
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'Action' => $action,
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'Format' => 'JSON',
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'Version' => $this->Version,
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'AccessKeyId' => $this->AccessKeyId,
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'SignatureMethod' => 'HMAC-SHA1',
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'Timestamp' => gmdate('Y-m-d\TH:i:s\Z'),
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'SignatureVersion' => '1.0',
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'SignatureNonce' => $this->random(8));
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$data['Signature'] = $this->aliyunSignature($data, $this->AccessKeySecret, 'POST');
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$url.='?'.http_build_query($data);
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$ch=curl_init($url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 30);
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if($file !== null){
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curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/octet-stream']);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $file);
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}
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$json=curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if($httpCode>=200 && $httpCode<300){
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if($returnData==true){
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$arr = json_decode($json,true);
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if(!$arr) throw new Exception('无法解析返回数据');
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return $arr;
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}else{
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return true;
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}
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}else{
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$arr=json_decode($json,true);
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if(isset($arr['Code']) && isset($arr['Message'])){
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if(strpos($arr['Message'],' server string to sign is:')!==false){
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$arr['Message'] = substr($arr['Message'],0,strpos($arr['Message'],' server string to sign is:')-1);
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}
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throw new Exception('['.$arr['Code'].'] '.$arr['Message']);
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}else{
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throw new Exception('无法解析返回数据');
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}
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}
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}
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private function random($length, $numeric = 0) {
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$seed = base_convert(md5(microtime().$_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);
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$seed = $numeric ? (str_replace('0', '', $seed).'012340567890') : ($seed.'zZ'.strtoupper($seed));
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$hash = '';
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$max = strlen($seed) - 1;
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for($i = 0; $i < $length; $i++) {
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$hash .= $seed[mt_rand(0, $max)];
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}
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return $hash;
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}
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} |