From cecc04859ec4123ae583702d7ac837a69b76c412 Mon Sep 17 00:00:00 2001
From: HuangHai <10402852@qq.com>
Date: Wed, 26 Mar 2025 13:21:39 +0800
Subject: [PATCH] 'commit'

---
 AI/WxMini/Milvus/requirements.txt             |   5 +-
 AI/WxMini/Start.py                            |   8 +--
 AI/WxMini/Test/TestGetOssToken.py             |  52 ++++++++++++++
 AI/WxMini/Utils/AliUtil.py                    |  68 ++++++++++++++++++
 .../__pycache__/MySQLUtil.cpython-310.pyc     | Bin 6553 -> 7272 bytes
 AI/WxMini/__pycache__/Start.cpython-310.pyc   | Bin 9093 -> 9258 bytes
 6 files changed, 128 insertions(+), 5 deletions(-)
 create mode 100644 AI/WxMini/Test/TestGetOssToken.py
 create mode 100644 AI/WxMini/Utils/AliUtil.py

diff --git a/AI/WxMini/Milvus/requirements.txt b/AI/WxMini/Milvus/requirements.txt
index 016d04a3..4948a618 100644
--- a/AI/WxMini/Milvus/requirements.txt
+++ b/AI/WxMini/Milvus/requirements.txt
@@ -4,4 +4,7 @@ jieba==0.42.1
 pymilvus==2.5.6
 aiomysql==0.2.0
 numpy==1.23.5
-alibabacloud_imagerecog20190930==2.0.10
\ No newline at end of file
+alibabacloud_imagerecog20190930==2.0.10
+alibabacloud_tea_openapi==0.0.2
+alibabacloud_sts20150401==1.1.4
+alibabacloud_credentials==2.2.1
\ No newline at end of file
diff --git a/AI/WxMini/Start.py b/AI/WxMini/Start.py
index 84fb3a74..ca660205 100644
--- a/AI/WxMini/Start.py
+++ b/AI/WxMini/Start.py
@@ -4,17 +4,17 @@ import time
 import uuid
 from contextlib import asynccontextmanager
 
-from fastapi import FastAPI, Form, HTTPException, Query
+from fastapi import FastAPI, Form, HTTPException
 from openai import AsyncOpenAI
 
 from WxMini.Milvus.Config.MulvusConfig import *
 from WxMini.Milvus.Utils.MilvusCollectionManager import MilvusCollectionManager
 from WxMini.Milvus.Utils.MilvusConnectionPool import *
+from WxMini.Utils.EmbeddingUtil import text_to_embedding
+from WxMini.Utils.MySQLUtil import init_mysql_pool, save_chat_to_mysql, get_chat_log_by_session, update_risk, \
+    get_last_chat_log_id, get_user_by_login_name, get_chat_logs_by_risk_flag
 from WxMini.Utils.OssUtil import upload_mp3_to_oss_from_memory
 from WxMini.Utils.TtsUtil import TTS
-from WxMini.Utils.MySQLUtil import init_mysql_pool, save_chat_to_mysql, get_chat_log_by_session, update_risk, \
-     get_last_chat_log_id, get_user_by_login_name, get_chat_logs_by_risk_flag
-from WxMini.Utils.EmbeddingUtil import text_to_embedding
 
 # 配置日志
 logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
diff --git a/AI/WxMini/Test/TestGetOssToken.py b/AI/WxMini/Test/TestGetOssToken.py
new file mode 100644
index 00000000..58edbecd
--- /dev/null
+++ b/AI/WxMini/Test/TestGetOssToken.py
@@ -0,0 +1,52 @@
+import json
+from alibabacloud_sts20150401 import models as sts_20150401_models
+from alibabacloud_sts20150401.client import Client as Sts20150401Client
+from alibabacloud_tea_openapi.models import Config
+
+# https://help.aliyun.com/zh/oss/use-cases/add-signatures-on-the-client-by-using-javascript-and-upload-data-to-oss?spm=a2c4g.11186623.help-menu-31815.d_6_1_0_1.2dd15d03SrLg4Q#4f036801celh7
+# 配置阿里云 AccessKey 和 RAM 角色 ARN
+access_key_id = "LTAI5tJrhwuBzF2X9USrzubX"
+access_key_secret = "I6ezLuYhk9z9MRjXD2q99STSpTONwW"
+role_arn_for_oss_upload = "acs:ram::1546399445482588:role/huanghai-create-role"  # RAM 角色 ARN
+
+# 替换为实际的 bucket 名称和 region-id
+BUCKET_NAME = 'hzkc'
+REGION_ID = 'cn-beijing'
+ENDPOINT = 'https://oss-cn-beijing.aliyuncs.com'
+OSS_PREFIX = "https://hzkc.oss-cn-beijing.aliyuncs.com/"
+
+host = OSS_PREFIX
+expire_time = 3600  # 指定过期时间，单位为秒
+upload_dir = 'dir'  # 指定上传到 OSS 的文件前缀
+role_session_name = 'role_session_name'  # 自定义会话名称
+
+# 直接使用 access_key_id 和 access_key_secret 初始化 Config
+config = Config(
+    region_id=REGION_ID,
+    access_key_id=access_key_id,
+    access_key_secret=access_key_secret
+)
+
+# 创建 STS 客户端并获取临时凭证
+sts_client = Sts20150401Client(config=config)
+assume_role_request = sts_20150401_models.AssumeRoleRequest(
+    role_arn=role_arn_for_oss_upload,
+    role_session_name=role_session_name
+)
+response = sts_client.assume_role(assume_role_request)
+token = json.dumps(response.body.credentials.to_map())
+
+# 将 JSON 字符串解析为 Python 字典
+token_dict = json.loads(token)
+
+# 提取字段
+access_key_id = token_dict['AccessKeyId']
+access_key_secret = token_dict['AccessKeySecret']
+expiration = token_dict['Expiration']
+security_token = token_dict['SecurityToken']
+
+# 打印提取的字段
+print(f"AccessKeyId: {access_key_id}")
+print(f"AccessKeySecret: {access_key_secret}")
+print(f"Expiration: {expiration}")
+print(f"SecurityToken: {security_token}")
\ No newline at end of file
diff --git a/AI/WxMini/Utils/AliUtil.py b/AI/WxMini/Utils/AliUtil.py
new file mode 100644
index 00000000..f90d0175
--- /dev/null
+++ b/AI/WxMini/Utils/AliUtil.py
@@ -0,0 +1,68 @@
+import base64
+import time
+import oss2
+from oss2.models import PolicyConditions  # 确保正确导入 PolicyConditions
+from typing import Dict
+
+class AliUtil:
+    def __init__(self):
+        # 从配置中读取阿里云 OSS 的配置
+        self.endpoint = "your_endpoint"  # 替换为你的 OSS endpoint
+        self.access_key_id = "your_access_key_id"  # 替换为你的 AccessKeyId
+        self.access_key_secret = "your_access_key_secret"  # 替换为你的 AccessKeySecret
+
+    def get_signature(self, bucket_name: str) -> Dict[str, str]:
+        """
+        获取临时访问 OSS 的签名
+        :param bucket_name: bucket 名称，由前端传入（上传不同文件到不同文件夹）
+        :return: 包含签名信息的字典
+        """
+        resp_map = {}
+        # host 的格式为 bucketName.endpoint
+        host = f"https://{bucket_name}.{self.endpoint}"
+        # callbackUrl 为上传回调服务器的 URL，请将下面的 IP 和 Port 配置为您自己的真实信息。
+        callback_url = ""
+        dir = ""  # 用户上传文件时指定的前缀。
+
+        # 初始化 OSS 客户端
+        auth = oss2.Auth(self.access_key_id, self.access_key_secret)
+        bucket = oss2.Bucket(auth, self.endpoint, bucket_name)
+
+        try:
+            # 设置过期时间为半小时 (1800 秒)
+            expire_time = 60 * 30
+            expire_end_time = int(time.time()) + expire_time
+
+            # 设置 Policy 条件
+            policy_conditions = PolicyConditions()
+            policy_conditions.add_condition(PolicyConditions.CONTENT_LENGTH_RANGE, 0, 1048576000)  # 文件大小限制
+            policy_conditions.add_condition(PolicyConditions.STARTS_WITH, PolicyConditions.KEY, dir)  # 文件前缀
+
+            # 生成 Post Policy
+            post_policy = bucket._make_post_policy(expire_end_time, policy_conditions)
+            encoded_policy = base64.b64encode(post_policy.encode('utf-8')).decode('utf-8')
+
+            # 计算签名
+            post_signature = bucket._make_post_signature(post_policy)
+
+            # 构建返回的签名信息
+            resp_map["accessid"] = self.access_key_id
+            resp_map["policy"] = encoded_policy
+            resp_map["signature"] = post_signature
+            resp_map["dir"] = dir
+            resp_map["host"] = host
+            resp_map["expire"] = str(expire_end_time)
+
+            # 构建回调信息
+            callback_body = {
+                "callbackUrl": callback_url,
+                "callbackBody": "filename=${object}&size=${size}&mimeType=${mimeType}&height=${imageInfo.height}&width=${imageInfo.width}",
+                "callbackBodyType": "application/x-www-form-urlencoded"
+            }
+            base64_callback_body = base64.b64encode(str(callback_body).encode('utf-8')).decode('utf-8')
+            resp_map["callback"] = base64_callback_body
+
+        except Exception as e:
+            print(f"Error: {e}")
+
+        return resp_map
\ No newline at end of file
diff --git a/AI/WxMini/Utils/__pycache__/MySQLUtil.cpython-310.pyc b/AI/WxMini/Utils/__pycache__/MySQLUtil.cpython-310.pyc
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