Démonstration de transcription vocale extrêmement rapide de Keda Xunfei (PHP-laravel)

<?php

namespace App\Http\Controllers\Xfyun;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;

class SpeedTranscriptionController extends Controller
{
    private $upload_file_path;
    private $app_id = "";
    private $request_id = "";
    private $date = "";
    private $api_secret = "";
    private $api_key = "";
    /**
     * @return void
     */
    public function __construct(Request $request)
    {
        parent::__construct($request);
        $this->app_id = "0ceba603";
        $this->request_id = date("YmdHis").rand(10000,99999);
        $this->date = gmdate('D, d M Y H:i:s') . ' GMT';
        $this->api_secret = "";
        $this->api_key = "";

    }

    /**
     * 获得任务结果
     */
    public function pro_get(){
        $host = "ost-api.xfyun.cn";
        $query = "/v2/ost/query";
        $url = "https://{$host}{$query}";

        $task_id = "230403162750667586272853";
        $body = [
                "common"=> [
                    "app_id" => $this->app_id
                ],
                "business"=> [
                    "task_id"=> $task_id,
                ]
        ];
        $body = json_encode($body);
        $header = $this->getHeader($host,$query);
        $r = $this->curl_request($url,'POST',$body,$header);
        var_dump($r);exit;

    }
    /**
     * 签名
     * 得到header
     */
    public function getHeader($host,$query,$content_Type = "application/json",$method = "POST"){
        $digest  = "SHA-256=".base64_encode(hash("sha256","", true));
        $signature = "host: ".$host."\n"."date: ".$this->date."\n{$method} {$query} HTTP/1.1\n"."digest: ".$digest;
        $signature = base64_encode(hash_hmac('sha256', $signature, $this->api_secret,true));
        $authorization = 'api_key="'.$this->api_key.'",algorithm="hmac-sha256",headers="host date request-line digest",signature="'.$signature.'"';
        $header = array(
            "host:"." ".$host,
            "date:"." ".$this->date,
            "authorization:"." ".$authorization,
            "digest:"." ".$digest,
            "content-Type: ".$content_Type,
        );
        return $header;
    }

    /**
     * 创建任务
     */
    public function pro_create(){

        $host = "ost-api.xfyun.cn";
        $query = "/v2/ost/pro_create";
        $url = "https://{$host}{$query}";
        $aurl= "https://xfyun-seve-dx/";//链接-科大讯飞上传后返回的

        $body = [
                "common"=> [
                    "app_id" => $this->app_id
                ],
                "business"=> [
                    "request_id"=> $this->request_id,
                    "language"=> "zh_cn",
                    "domain"=> "pro_ost_ed",
                    "accent"=> "mandarin",
                    //"callback_url"=> "your_callback_url" //可选字段
                ],
                "data"=> [
                    "audio_url"=> $aurl,
                    "audio_src"=> "http",
                    "format"=>"audio/L16;rate=16000",
                    "encoding"=>"raw"
                ]

        ];
        $body = json_encode($body);

        $header = $this->getHeader($host,$query);
        $r = $this->curl_request($url,'POST',$body,$header);

        var_dump($r);exit;

    }

    /**
     * 小文件上传
     */
    public function upload(){
        $this->upload_file_path = "./uploads/20230403/2.wav";

        $host   = "upload-ost-api.xfyun.cn";
        $query  = "/file/upload";
        $url    = "https://".$host.$query;
        $body = [
            'request_id' => $this->request_id,
            'app_id' => $this->app_id,
            'data' => $this->upload_request($this->upload_file_path)
        ];
        $header = $this->getHeader($host,$query,"multipart/form-data");
        $r = $this->curl_request($url,'POST',$body,$header);
        var_dump($r);exit;
    }


    /**
     * 文件file
     */
    public function upload_request($upload_file_path){
        $finfo    = finfo_open(FILEINFO_MIME_TYPE);
        $mime = finfo_file($finfo, $upload_file_path);
        finfo_close($finfo);

        $curlFile = curl_file_create(
            $upload_file_path,
            $mime,
            pathinfo(
                $upload_file_path,
                PATHINFO_BASENAME
            )
        );
        return $curlFile;
    }

    /**
     * CURL请求
     * @param string $url
     * @param string $method
     * @param array $params
     * @param array $headers
     */
    public function curl_request($url = '',$method = 'POST',$params = array(),$headers = array()){
        $method = strtoupper($method);

        //初始化
        $ch     = curl_init();
        //    在HTTP请求头中"Referer: "的内容。
        curl_setopt($ch, CURLOPT_REFERER, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //验证curl对等证书(一般只要此项)
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //检查服务器SSL证书中是否存在一个公用名
        curl_setopt($ch, CURLOPT_SSLVERSION, 0);  //传递一个包含SSL版本的长参数。

        if($method == 'GET' && !empty($params) && is_array($params)){
            $url .= '?'.http_build_query($params);

        }else if ($method == 'POST') {
            //启用时会发送一个常规的POST请求，类型为：application/x-www-form-urlencoded，就像表单提交的一样。
            curl_setopt($ch, CURLOPT_POST,true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $params);

        }else if ($method == 'PUT') {
            //启用时允许HTTP发送文件，必须同时设置CURLOPT_INFILE和CURLOPT_INFILESIZE。
            curl_setopt($ch, CURLOPT_PUT, true);
            // if($this->upload_file_path){
            //     curl_setopt($ch, CURLOPT_INFILE, fopen($this->upload_file_path));
            //     curl_setopt($ch, CURLOPT_INFILESIZE, filesize($this->upload_file_path));

            // }
            curl_setopt($ch, CURLOPT_POSTFIELDS, $params);

        }
        //CURLOPT_SSL_VERIFYPEER(默认值为2)被启用，CURLOPT_SSL_VERIFYHOST需要被设置成TRUE否则设置为FALSE。
        //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        //curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

        curl_setopt($ch, CURLOPT_URL, $url);

        //返回的内容作为变量储存，而不是直接输出。必需设置curl的CURLOPT_RETURNTRANSFER选项为1或true。
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        //设置为0表示不返回HTTP头部信息
        curl_setopt($ch, CURLOPT_HEADER, false);
        //在发起连接前等待的时间，如果设置为0，则无限等待
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0);

        if(!empty($headers)){
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        }


        //启用时会将服务器服务器返回的"Location: "放在header中递归的返回给服务器，使用CURLOPT_MAXREDIRS可以限定递归返回的数量。
        //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

        curl_setopt($ch, CURLOPT_TIMEOUT, 0);

        //设置为1表示稍后执行的curl_exec函数的返回是URL的返回字符串，而不是把返回字符串定向到标准输出并返回TRUE
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        //执行并获取结果
        $result = curl_exec($ch);
        $httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);

        $err = curl_error($ch);
        //释放curl句柄
        curl_close($ch);



        return $result;

    }


}