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21 lines
599 B
Go
21 lines
599 B
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package avatar
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import (
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"crypto/sha256"
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"encoding/hex"
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"strconv"
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)
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// HashAvatar generates a unique string for input ID and data.
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// Because avatar is per-user, one user deletes their avatar should not affect another user who uses the same avatar.
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func HashAvatar(uniqueID int64, data []byte) string {
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h := sha256.New()
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h.Write([]byte(strconv.FormatInt(uniqueID, 10)))
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h.Write([]byte{'-'}) // make sure the bytes in data won't conflict with ID
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h.Write(data)
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return hex.EncodeToString(h.Sum(nil))
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}
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