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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package transport
import (
"github.com/go-fed/httpsig"
)
var (
// http signer preferences
prefs = []httpsig.Algorithm{httpsig.RSA_SHA256}
digestAlgo = httpsig.DigestSha256
getHeaders = []string{httpsig.RequestTarget, "host", "date"}
postHeaders = []string{httpsig.RequestTarget, "host", "date", "digest"}
)
// NewGETSigner returns a new httpsig.Signer instance initialized with GTS GET preferences.
func NewGETSigner(expiresIn int64) (httpsig.Signer, error) {
sig, _, err := httpsig.NewSigner(prefs, digestAlgo, getHeaders, httpsig.Signature, expiresIn)
return sig, err
}
// NewPOSTSigner returns a new httpsig.Signer instance initialized with GTS POST preferences.
func NewPOSTSigner(expiresIn int64) (httpsig.Signer, error) {
sig, _, err := httpsig.NewSigner(prefs, digestAlgo, postHeaders, httpsig.Signature, expiresIn)
return sig, err
}
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