WokerTask/extend/IFlytek/Xfyun/Speech/IatClient.php

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2023-12-27 14:06:33 +08:00
<?php
/**
* Copyright 1999-2022 iFLYTEK Corporation
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace IFlytek\Xfyun\Speech;
use IFlytek\Xfyun\Core\Traits\SignTrait;
use IFlytek\Xfyun\Core\HttpClient;
/**
* 讯飞Ai户端
*
* @author guizheng@iflytek.com
*/
class IatClient
{
use SignTrait;
protected $appId;
protected $apiKey;
protected $apiSecret;
protected $uid;
protected $resId;
protected $requestConfig;
protected $client;
public function __construct($appId, $apiKey, $apiSecret, $uid = null, $resId = null, $requestConfig = [])
{
$this->appId = $appId;
$this->apiKey = $apiKey;
$this->apiSecret = $apiSecret;
$this->uid = $uid;
$this->resId = $resId;
$this->client = new HttpClient([]);
}
public function assembleAuthUrl($addr, $method='GET') {
$apiKey=$this->apiKey;
$apiSecret=$this->apiSecret;
if ($apiKey == "" && $apiSecret == "") { // 不鉴权
return $addr;
}
$ul = parse_url($addr); // 解析地址
if ($ul === false) { // 地址不对,也不鉴权
return $addr;
}
// // $date = date(DATE_RFC1123); // 获取当前时间并格式化为RFC1123格式的字符串
$timestamp = time();
$rfc1123_format = gmdate("D, d M Y H:i:s \G\M\T", $timestamp);
// $rfc1123_format = "Mon, 31 Jul 2023 08:24:03 GMT";
// 参与签名的字段 host, date, request-line
$signString = array("host: " . $ul["host"], "date: " . $rfc1123_format, $method . " " . $ul["path"] . " HTTP/1.1");
// 对签名字符串进行排序,确保顺序一致
// ksort($signString);
// 将签名字符串拼接成一个字符串
$sgin = implode("\n", $signString);
// 对签名字符串进行HMAC-SHA256加密得到签名结果
$sha = hash_hmac('sha256', $sgin, $apiSecret, true);
$signature_sha_base64 = base64_encode($sha);
// 将API密钥、算法、头部信息和签名结果拼接成一个授权URL
$authUrl = "api_key=\"$apiKey\",algorithm=\"hmac-sha256\",headers=\"host date request-line\",signature=\"$signature_sha_base64\"";
// 对授权URL进行Base64编码并添加到原始地址后面作为查询参数
$authAddr = $addr . '?' . http_build_query(array(
'host' => $ul['host'],
'date' => $rfc1123_format,
'authorization' => base64_encode($authUrl),
));
return $authAddr;
}
}