李建琦
6d655c9903
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58 lines
2.6 KiB
Go
58 lines
2.6 KiB
Go
package service
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import (
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/tidwall/gjson"
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)
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// openAIUpstreamClientErrorFallbackType 是上游没给 error.type 时的兜底值。
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// 与 handleCompatErrorResponse 对 400 的取值保持一致。
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const openAIUpstreamClientErrorFallbackType = "invalid_request_error"
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// openAIUpstreamClientErrorFallbackMessage 是上游连 message 都没给时的兜底文案。
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// 仍然比 "Upstream request failed" 明确：它说明拒绝来自请求本身，而不是链路故障。
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const openAIUpstreamClientErrorFallbackMessage = "Upstream rejected the request"
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// isOpenAIDeterministicClientError 判断上游状态码是否表示「请求本身非法」。
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//
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// 只认 400：同一份请求体换任何账号、重试多少次都会得到同样的结果。
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// - 401/402/403 是网关运营方的凭据/账单问题，继续包成 502，不向客户端暴露上游账号状态。
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// - 404/405 既可能是模型不存在，也可能是上游 base_url 配错，同属运营方问题，保持现状。
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// - 429 已有独立分支映射成 429。
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// - 413 在更上面就按 request-body-too-large 走 failover 了。
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func isOpenAIDeterministicClientError(statusCode int) bool {
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return statusCode == http.StatusBadRequest
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}
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// writeOpenAIUpstreamClientError 以 OpenAI 错误体形状回写确定性客户端错误。
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//
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// 保留上游的 type/code/param：客户端靠 param 定位是哪个字段非法（上游会给出形如
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// input[8].tools[1].tools[2].parameters 的路径），靠 code 判断是否值得重试。归一成
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// {type:"upstream_error", message:"Upstream request failed"} 会把这些信息全部抹掉。
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//
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// upstreamMsg 由调用方传入，调用方已做过 sanitizeUpstreamErrorMessage 与
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// redactAgentIdentitySensitiveBody；这里不重复清洗，也不回落读取原始 body 的
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// message，避免绕开那两道脱敏。
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func writeOpenAIUpstreamClientError(c *gin.Context, statusCode int, body []byte, upstreamMsg string) {
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errorPayload := gin.H{"type": openAIUpstreamClientErrorFallbackType}
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if errType := strings.TrimSpace(gjson.GetBytes(body, "error.type").String()); errType != "" {
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errorPayload["type"] = errType
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}
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if code := strings.TrimSpace(extractUpstreamErrorCode(body)); code != "" {
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errorPayload["code"] = code
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}
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if param := strings.TrimSpace(gjson.GetBytes(body, "error.param").String()); param != "" {
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errorPayload["param"] = param
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}
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message := strings.TrimSpace(upstreamMsg)
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if message == "" {
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message = openAIUpstreamClientErrorFallbackMessage
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}
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errorPayload["message"] = message
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c.JSON(statusCode, gin.H{"error": errorPayload})
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}
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