You've already forked img-proxy-url-generator
25 lines
618 B
Go
25 lines
618 B
Go
package generator
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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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"github.com/siteworxpro/img-proxy-url-generator/printer"
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)
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func (g *Generator) generateSignature(path string) string {
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var signature string
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if len(g.config.keyBin) == 0 || len(g.config.saltBin) == 0 {
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signature = "insecure"
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printer.NewPrinter().LogWarning("Insecure url generated. Provide salt and key to sign and secure url.")
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} else {
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mac := hmac.New(sha256.New, g.config.keyBin)
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mac.Write(g.config.saltBin)
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mac.Write([]byte(path))
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signature = base64.RawURLEncoding.EncodeToString(mac.Sum(nil))
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}
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return signature
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}
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