从 S3 响应解析错误信息
(response: Response)
| 97 | |
| 98 | /** 从 S3 响应解析错误信息 */ |
| 99 | async function parseS3Error(response: Response): Promise<S3Error> { |
| 100 | // 状态码到错误名称的映射（用于 HEAD 等无响应体的请求） |
| 101 | const statusCodeMap: Record<number, string> = { |
| 102 | 301: "PermanentRedirect", |
| 103 | 400: "BadRequest", |
| 104 | 403: "AccessDenied", |
| 105 | 404: "NotFound", |
| 106 | 409: "Conflict", |
| 107 | }; |
| 108 | |
| 109 | try { |
| 110 | const text = await response.text(); |
| 111 | if (text) { |
| 112 | const parser = new XMLParser(); |
| 113 | const parsed = parser.parse(text); |
| 114 | const error = parsed.Error; |
| 115 | if (error?.Code) { |
| 116 | return new S3Error(String(error.Code), String(error.Message || response.statusText), response.status); |
| 117 | } |
| 118 | } |
| 119 | } catch { |
| 120 | // 解析失败则使用状态码映射 |
| 121 | } |
| 122 | |
| 123 | const code = statusCodeMap[response.status] || `HTTP${response.status}`; |
| 124 | return new S3Error(code, response.statusText, response.status); |
| 125 | } |
| 126 | |
| 127 | // ---- S3 客户端 ---- |
| 128 |