fix(platform): API 调用日志截断对齐 UTF-8 字符边界 - 防止截断报文写库失败导致订单误标 uncertain (#695)
truncateAPICallPayload 原先按字节硬切超长报文,切点多字节字符时会产生 非法 UTF-8,写 PostgreSQL 报 invalid byte sequence,调用日志入库失败并 连锁导致订单被标为 uncertain。 - 截断点回退到最近的 UTF-8 字符边界 - 对源报文本身的非法字节做 strings.ToValidUTF8 兜底 - 补充回归测试:中文/emoji/中日韩混排/非法字节等场景 Co-authored-by: xiaomuclaw <282836183+xiaomuclaw@users.noreply.github.com>
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@@ -11,6 +11,7 @@ import (
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"net/http"
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"net/url"
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"strings"
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"unicode/utf8"
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)
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const maxAPICallPayloadBytes = 128 << 10
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@@ -151,5 +152,14 @@ func truncateAPICallPayload(value string) string {
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if len(value) <= maxAPICallPayloadBytes {
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return value
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}
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return value[:maxAPICallPayloadBytes] + fmt.Sprintf("\n[报文已截断,原始长度 %d 字节]", len(value))
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cut := maxAPICallPayloadBytes
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for cut > 0 && !utf8.RuneStart(value[cut]) {
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cut--
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}
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// 上游报文不保证是合法 UTF-8,直接入库会被 PostgreSQL 以 invalid byte sequence 拒收。
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truncated := value[:cut]
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if !utf8.ValidString(truncated) {
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truncated = strings.ToValidUTF8(truncated, string(utf8.RuneError))
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}
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return truncated + fmt.Sprintf("\n[报文已截断,原始长度 %d 字节]", len(value))
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}
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