34 lines
932 B
Go
34 lines
932 B
Go
package tokens
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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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"github.com/Sirupsen/logrus"
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"strings"
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"time"
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)
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// NewToken generates a token for accessing a specific method of the API
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func NewToken(userID string, key string, method string, action string, timestamp time.Time) string {
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fmtTime := timestamp.Format("20060102T150405Z")
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logrus.Debugf("Built timestamp: %s", fmtTime)
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message := strings.Join([]string{method, action, fmtTime}, "")
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logrus.Debugf("Built message: %s", message)
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signatureHmac := hmac.New(sha256.New, []byte(key))
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signatureHmac.Write([]byte(message))
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signature := base64.StdEncoding.EncodeToString([]byte(signatureHmac.Sum(nil)))
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logrus.Debugf("Built signature: %s", signature)
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userIDAndSignature := fmt.Sprintf("%s:%s", userID, signature)
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token := base64.StdEncoding.EncodeToString([]byte(userIDAndSignature))
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logrus.Debugf("Built token: %s", token)
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return token
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}
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