mStar
f8b3a6ff06
All checks were successful
/ docker (push) Successful in 3m59s
Will be used later to add to internal db
71 lines
2 KiB
Go
71 lines
2 KiB
Go
package webshared
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"strings"
|
|
|
|
"git.mstar.dev/mstar/linstrom/shared"
|
|
)
|
|
|
|
// Generate the signed string of the headers, method and target
|
|
// and sign it using the given RSA key. Returns the base64 encoded
|
|
// result
|
|
func CreateSignatureRSA(
|
|
method string,
|
|
target string,
|
|
headers map[string]string,
|
|
privateKeyBytes []byte,
|
|
) (string, error) {
|
|
message := genPreSignatureString(method, target, headers)
|
|
signed, err := shared.Sign(message, privateKeyBytes, true)
|
|
return base64.StdEncoding.EncodeToString(signed), err
|
|
}
|
|
|
|
// Generate the signed string of the headers, method and target
|
|
// and sign it using the given ED25519 key. Returns the base64
|
|
// encoded result
|
|
func CreateSignatureED(
|
|
method string,
|
|
target string,
|
|
headers map[string]string,
|
|
privateKeyBytes []byte,
|
|
) (string, error) {
|
|
message := genPreSignatureString(method, target, headers)
|
|
signed, err := shared.Sign(message, privateKeyBytes, false)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return base64.StdEncoding.EncodeToString(signed), nil
|
|
}
|
|
|
|
func genPreSignatureString(method, target string, headers map[string]string) string {
|
|
dataBuilder := strings.Builder{}
|
|
dataBuilder.WriteString("(request-target) ")
|
|
dataBuilder.WriteString(strings.ToLower(method) + " ")
|
|
dataBuilder.WriteString(target + "\n")
|
|
for k, v := range headers {
|
|
dataBuilder.WriteString(k + ": " + v + "\n")
|
|
}
|
|
return dataBuilder.String()
|
|
}
|
|
|
|
// Generate the content of the "Signature" header based on
|
|
// The user who's key was used, the hashed and base64 encoded
|
|
// signed string, as returned by CreateSignatureED/RSA
|
|
func CreateSignatureHeaderContent(userId string, hash string, headerNames ...string) string {
|
|
builder := strings.Builder{}
|
|
builder.WriteString("keyId=\"")
|
|
builder.WriteString(userId)
|
|
builder.WriteString("\",headers=\"")
|
|
for i, header := range headerNames {
|
|
builder.WriteString(header)
|
|
if i+1 < len(headerNames) {
|
|
builder.WriteRune(' ')
|
|
}
|
|
}
|
|
builder.WriteString("\",signature=\"")
|
|
builder.WriteString(hash)
|
|
builder.WriteRune('"')
|
|
|
|
return builder.String()
|
|
}
|