From 57d0cf53099f334d445932995c536e8dd9a74475 Mon Sep 17 00:00:00 2001
From: yaooo <272523191@qq.com>
Date: Wed, 11 Oct 2023 09:53:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0ocr=E8=AF=86=E5=88=AB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/api/controller/XunFeiController.php   |  4 +-
 extend/IFlytek/Xfyun/Speech/OcrClient.php | 86 +++++++++++++++++++++++
 2 files changed, 88 insertions(+), 2 deletions(-)
 create mode 100644 extend/IFlytek/Xfyun/Speech/OcrClient.php

diff --git a/app/api/controller/XunFeiController.php b/app/api/controller/XunFeiController.php
index cfe3efb9a..8c7edbe33 100644
--- a/app/api/controller/XunFeiController.php
+++ b/app/api/controller/XunFeiController.php
@@ -268,6 +268,7 @@ class XunFeiController extends BaseApiController
         try {
             $tts = new TtsClient($this->app_id, $this->api_key, $this->api_secret, $business);
             file_put_contents($audioFile, $tts->request($text)->getBody()->getContents());
+            //生成语音文件需要定时清理
         } catch (\Exception $e) {
             return $this->fail($e->getMessage());
         }
@@ -295,7 +296,7 @@ class XunFeiController extends BaseApiController
         $ext = pathinfo($file, PATHINFO_EXTENSION);
         $base64_image = base64_encode(file_get_contents($file));
         $ocr = new OcrClient($this->app_id, $this->api_key, $this->api_secret);
-        $authorization = $ocr->assembleAuthorization($ocrHostUrl);
+        $ocrHostUrl = $ocr->assembleAuthUrl($ocrHostUrl);
         $requestBody = [
             'header' => [
                 'app_id' => $this->app_id,
@@ -319,7 +320,6 @@ class XunFeiController extends BaseApiController
                 ]
             ]
         ];
-        $ocrHostUrl .= '?authorization=' . $authorization;
         $responseData = '';
         try {
             $client = new GzClient(['timeout' => 2]);
diff --git a/extend/IFlytek/Xfyun/Speech/OcrClient.php b/extend/IFlytek/Xfyun/Speech/OcrClient.php
new file mode 100644
index 000000000..69bbb8d01
--- /dev/null
+++ b/extend/IFlytek/Xfyun/Speech/OcrClient.php
@@ -0,0 +1,86 @@
+<?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 OcrClient
+{
+    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='POST') {
+        $apiKey=$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;
+    }
+
+}