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17 lines
339 B
17 lines
339 B
package dingtalk
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import (
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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"fmt"
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)
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func (app *App) sign(t int64) string {
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secStr := fmt.Sprintf("%d\n%s", t, app.secret)
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hmac256 := hmac.New(sha256.New, []byte(app.secret))
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hmac256.Write([]byte(secStr))
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result := hmac256.Sum(nil)
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return base64.StdEncoding.EncodeToString(result)
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}
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