153 lines
5.3 KiB
Python
153 lines
5.3 KiB
Python
"""
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阿里云 OSS 上传工具
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"""
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import os
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import uuid
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from typing import Optional
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import oss2
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from .config import settings
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import logging
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logger = logging.getLogger(__name__)
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def get_oss_bucket():
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"""获取 OSS bucket 实例"""
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if not all([
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settings.ALIYUN_OSS_ACCESS_KEY_ID,
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settings.ALIYUN_OSS_ACCESS_KEY_SECRET,
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settings.ALIYUN_OSS_BUCKET_NAME,
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settings.ALIYUN_OSS_ENDPOINT
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]):
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raise ValueError("OSS 配置不完整")
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auth = oss2.Auth(
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settings.ALIYUN_OSS_ACCESS_KEY_ID,
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settings.ALIYUN_OSS_ACCESS_KEY_SECRET
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)
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bucket = oss2.Bucket(
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auth,
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settings.ALIYUN_OSS_ENDPOINT,
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settings.ALIYUN_OSS_BUCKET_NAME
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)
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return bucket
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def test_oss_connection() -> bool:
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"""测试 OSS 连接是否正常"""
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try:
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logger.info(f"测试 OSS 连接...")
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logger.info(f"Bucket: {settings.ALIYUN_OSS_BUCKET_NAME}")
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logger.info(f"Endpoint: {settings.ALIYUN_OSS_ENDPOINT}")
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logger.info(f"AccessKeyId: {settings.ALIYUN_OSS_ACCESS_KEY_ID[:8]}***")
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bucket = get_oss_bucket()
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# 尝试列出 bucket 中的对象（限制1个）
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result = bucket.list_objects(max_keys=1)
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logger.info(f"OSS 连接测试成功，bucket: {settings.ALIYUN_OSS_BUCKET_NAME}")
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return True
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except Exception as e:
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logger.error(f"OSS 连接测试失败: {e}")
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logger.error(f"错误类型: {type(e)}")
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# 检查是否是权限问题
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error_str = str(e)
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if "AccessDenied" in error_str:
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logger.error("权限被拒绝 - 可能的原因:")
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logger.error("1. AccessKey 没有该 Bucket 的访问权限")
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logger.error("2. Bucket 不存在或属于其他账户")
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logger.error("3. AccessKey 已过期或被禁用")
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elif "NoSuchBucket" in error_str:
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logger.error("Bucket 不存在 - 请检查 Bucket 名称是否正确")
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elif "InvalidAccessKeyId" in error_str:
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logger.error("AccessKey 无效 - 请检查 AccessKey 是否正确")
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elif "SignatureDoesNotMatch" in error_str:
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logger.error("签名不匹配 - 请检查 AccessKeySecret 是否正确")
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return False
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def upload_audio_file(audio_data: bytes, file_extension: str = "wav") -> str:
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"""
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上传音频文件到 OSS
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Args:
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audio_data: 音频二进制数据
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file_extension: 文件扩展名（不含点）
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Returns:
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公网可访问的文件 URL
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"""
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try:
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bucket = get_oss_bucket()
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# 生成唯一文件名
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file_id = str(uuid.uuid4())
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object_key = f"voice_call/{file_id}.{file_extension}"
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# 上传文件
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result = bucket.put_object(object_key, audio_data)
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if result.status == 200:
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# 构建公网访问 URL
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if settings.ALIYUN_OSS_CDN_DOMAIN:
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# 使用 CDN 域名
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cdn_domain = settings.ALIYUN_OSS_CDN_DOMAIN.rstrip('/')
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# 确保 CDN 域名包含协议
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if not cdn_domain.startswith('http://') and not cdn_domain.startswith('https://'):
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cdn_domain = f"https://{cdn_domain}"
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file_url = f"{cdn_domain}/{object_key}"
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else:
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# 使用默认域名 - 修复 URL 格式
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endpoint_clean = settings.ALIYUN_OSS_ENDPOINT.replace('https://', '').replace('http://', '').rstrip('/')
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file_url = f"https://{settings.ALIYUN_OSS_BUCKET_NAME}.{endpoint_clean}/{object_key}"
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logger.info(f"文件上传成功: {object_key} -> {file_url}")
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# 验证 URL 格式
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if not file_url.startswith('http://') and not file_url.startswith('https://'):
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logger.error(f"URL 格式错误: {file_url}")
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raise Exception(f"生成的 URL 格式不正确: {file_url}")
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return file_url
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else:
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raise Exception(f"上传失败，状态码: {result.status}")
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except Exception as e:
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logger.error(f"OSS 上传失败: {e}")
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raise
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def delete_audio_file(file_url: str) -> bool:
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"""
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删除 OSS 上的音频文件
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Args:
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file_url: 文件的公网 URL
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Returns:
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是否删除成功
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"""
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try:
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bucket = get_oss_bucket()
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# 从 URL 提取 object_key
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if settings.ALIYUN_OSS_CDN_DOMAIN and file_url.startswith(settings.ALIYUN_OSS_CDN_DOMAIN):
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object_key = file_url.replace(settings.ALIYUN_OSS_CDN_DOMAIN.rstrip('/') + '/', '')
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else:
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# 从默认域名提取
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domain_prefix = f"https://{settings.ALIYUN_OSS_BUCKET_NAME}.{settings.ALIYUN_OSS_ENDPOINT.replace('https://', '')}/"
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if file_url.startswith(domain_prefix):
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object_key = file_url.replace(domain_prefix, '')
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else:
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logger.warning(f"无法解析文件 URL: {file_url}")
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return False
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# 删除文件
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result = bucket.delete_object(object_key)
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logger.info(f"文件删除成功: {object_key}")
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return True
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except Exception as e:
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logger.error(f"OSS 删除失败: {e}")
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return False |