44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package dialer
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import (
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"crypto/x509"
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"errors"
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"fmt"
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"github.com/ProtonMail/proton-bridge/v3/pkg/algo"
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)
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// ErrTLSMismatch indicates that no TLS fingerprint match could be found.
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var ErrTLSMismatch = errors.New("no TLS fingerprint match found")
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type TLSPinChecker struct {
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trustedPins []string
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}
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func NewTLSPinChecker(trustedPins []string) *TLSPinChecker {
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return &TLSPinChecker{
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trustedPins: trustedPins,
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}
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}
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func certFingerprint(cert *x509.Certificate) string {
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return fmt.Sprintf(`pin-sha256=%q`, algo.HashBase64SHA256(string(cert.RawSubjectPublicKeyInfo)))
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}
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