83 lines
3.6 KiB
Go
83 lines
3.6 KiB
Go
// 画布 Agent 面向用户的错误文案净化。
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//
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// 模型、工具与上游媒体服务的原始错误可能包含密钥、内部地址或冗长堆栈；
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// 这里统一转换成可读、可展示的中文说明，原始错误只进诊断日志。
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package app
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import (
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"errors"
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"strings"
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"unicode/utf8"
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"yingce/backend/internal/model"
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)
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// Only expose known failure categories; raw provider errors can contain URLs and credentials.
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func cloudAgentModelFailure(task *model.Task) (string, string) {
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detail, reason := "模型任务未成功", "model_task_failed"
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if diagnostic := taskExecutionDiagnostic(task); diagnostic != nil && diagnostic.Code == string(ReasonUpstreamDNSFailed) {
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return "模型服务域名解析失败，请检查渠道域名和后端 DNS 配置；本轮已停止。请在任务中心检查模型任务 " + task.ID, string(ReasonUpstreamDNSFailed)
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}
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raw := strings.ToLower(task.Error)
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switch {
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case strings.Contains(task.Error, "没有返回内容"):
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// 思考模型的典型失败：整个输出预算被推理吃掉，正文与工具调用皆空。
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detail, reason = "上游连续返回空内容（通常是思考占满输出预算）；已自动关思考并放大预算重试仍失败，建议换用非思考模型或调小上下文", "model_empty_output"
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case strings.Contains(task.Error, cloudAgentStepTimeoutError):
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detail, reason = "单步模型调用超过执行时限仍未返回（长思考或上下文过大时常见）；已自动关思考重试仍超时，可在管理端调大 Agent 单步超时", "model_step_timeout"
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case strings.Contains(raw, "connection reset by peer"):
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detail, reason = "模型连接被对端或中间网络设备重置", "model_connection_reset"
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case strings.Contains(raw, "timeout"), strings.Contains(raw, "deadline exceeded"):
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detail, reason = "模型请求超时", "model_request_timeout"
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case strings.Contains(raw, "connection refused"):
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detail, reason = "无法连接模型服务（连接被拒绝）", "model_connection_refused"
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}
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return detail + "；本轮已停止。请在任务中心检查模型任务 " + task.ID, reason
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}
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func cloudAgentSafeToolError(err error) string {
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if err == nil {
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return ""
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}
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var readLoopErr *cloudAgentReadLoopError
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if errors.As(err, &readLoopErr) {
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return readLoopErr.Error()
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}
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var appErr *AppError
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if errors.As(err, &appErr) && appErr != nil {
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message := strings.TrimSpace(appErr.Message)
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if cloudAgentSafeUserMessage(message) {
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return message
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}
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}
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return "工具执行失败，请检查输入或稍后重试"
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}
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func cloudAgentSafeUserMessage(message string) bool {
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if message == "" || !utf8.ValidString(message) || strings.ContainsAny(message, "\x00\r\n") || utf8.RuneCountInString(message) > 240 {
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return false
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}
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lower := strings.ToLower(message)
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for _, marker := range []string{
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"http://", "https://", "ftp://", "file://", "authorization", "cookie", "secret", "token", "api_key", "apikey", "x-api-key",
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"/var/", "/tmp/", "\\", "stack trace", "traceback", " at ", "sql:", "sqlite", "postgres",
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} {
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if strings.Contains(lower, marker) {
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return false
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}
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}
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return true
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}
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// cloudAgentSafeMediaTaskError preserves a short, user-facing task diagnostic
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// while refusing provider details that commonly contain URLs, credentials, or
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// internal request metadata. Task.Error is not a safe presentation field.
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func cloudAgentSafeMediaTaskError(task *model.Task) string {
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if task == nil || strings.TrimSpace(task.Error) == "" {
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return "媒体任务未成功"
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}
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// 与画布节点展示同一套分类：网络/审核/存储/HTTP 状态归类，可读的供应商原因原样保留。
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return userFacingTaskError(task.Error)
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}
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