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27
internal/ingest/hmac.go
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27
internal/ingest/hmac.go
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package ingest
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import (
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"crypto/hmac"
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"crypto/sha256"
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"encoding/hex"
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"strconv"
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"time"
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)
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// Sign 与后台 internal/pkg/hmac.Sign 完全一致:
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// HMAC_SHA256(secret, timestamp + "." + nonce + "." + body) 的十六进制串。
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// bodyRaw 必须是请求体原始字节,确保与后台收到的字节严格一致。
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func Sign(secret, timestamp, nonce, body string) string {
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mac := hmac.New(sha256.New, []byte(secret))
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mac.Write([]byte(timestamp))
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mac.Write([]byte("."))
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mac.Write([]byte(nonce))
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mac.Write([]byte("."))
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mac.Write([]byte(body))
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return hex.EncodeToString(mac.Sum(nil))
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}
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// NowTS 返回当前 Unix 秒字符串(X-Timestamp 用)。
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func NowTS() string {
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return strconv.FormatInt(time.Now().Unix(), 10)
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}
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