mirror of
https://github.com/go-gitea/gitea
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119 lines
3 KiB
Go
119 lines
3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package asymkey
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import (
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"context"
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"strconv"
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"time"
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"code.gitea.io/gitea/models/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/log"
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)
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// __________________ ________ ____ __.
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// / _____/\______ \/ _____/ | |/ _|____ ___.__.
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// / \ ___ | ___/ \ ___ | <_/ __ < | |
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// \ \_\ \| | \ \_\ \ | | \ ___/\___ |
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// \______ /|____| \______ / |____|__ \___ > ____|
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// \/ \/ \/ \/\/
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// ____ ____ .__ _____
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// \ \ / /___________|__|/ ____\__.__.
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// \ Y // __ \_ __ \ \ __< | |
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// \ /\ ___/| | \/ || | \___ |
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// \___/ \___ >__| |__||__| / ____|
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// \/ \/
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// This file provides functions relating verifying gpg keys
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// VerifyGPGKey marks a GPG key as verified
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func VerifyGPGKey(ctx context.Context, ownerID int64, keyID, token, signature string) (string, error) {
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ctx, committer, err := db.TxContext(ctx)
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if err != nil {
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return "", err
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}
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defer committer.Close()
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key := new(GPGKey)
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has, err := db.GetEngine(ctx).Where("owner_id = ? AND key_id = ?", ownerID, keyID).Get(key)
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if err != nil {
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return "", err
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} else if !has {
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return "", ErrGPGKeyNotExist{}
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}
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if err := key.LoadSubKeys(ctx); err != nil {
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return "", err
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}
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sig, err := extractSignature(signature)
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if err != nil {
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return "", ErrGPGInvalidTokenSignature{
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ID: key.KeyID,
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Wrapped: err,
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}
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}
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signer, err := hashAndVerifyWithSubKeys(sig, token, key)
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if err != nil {
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return "", ErrGPGInvalidTokenSignature{
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ID: key.KeyID,
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Wrapped: err,
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}
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}
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if signer == nil {
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signer, err = hashAndVerifyWithSubKeys(sig, token+"\n", key)
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if err != nil {
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return "", ErrGPGInvalidTokenSignature{
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ID: key.KeyID,
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Wrapped: err,
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}
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}
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}
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if signer == nil {
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signer, err = hashAndVerifyWithSubKeys(sig, token+"\n\n", key)
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if err != nil {
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return "", ErrGPGInvalidTokenSignature{
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ID: key.KeyID,
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Wrapped: err,
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}
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}
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}
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if signer == nil {
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log.Error("Unable to validate token signature. Error: %v", err)
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return "", ErrGPGInvalidTokenSignature{
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ID: key.KeyID,
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}
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}
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if signer.PrimaryKeyID != key.KeyID && signer.KeyID != key.KeyID {
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return "", ErrGPGKeyNotExist{}
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}
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key.Verified = true
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if _, err := db.GetEngine(ctx).ID(key.ID).SetExpr("verified", true).Update(new(GPGKey)); err != nil {
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return "", err
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}
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if err := committer.Commit(); err != nil {
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return "", err
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}
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return key.KeyID, nil
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}
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// VerificationToken returns token for the user that will be valid in minutes (time)
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func VerificationToken(user *user_model.User, minutes int) string {
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return base.EncodeSha256(
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time.Now().Truncate(1*time.Minute).Add(time.Duration(minutes)*time.Minute).Format(
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time.RFC1123Z) + ":" +
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user.CreatedUnix.Format(time.RFC1123Z) + ":" +
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user.Name + ":" +
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user.Email + ":" +
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strconv.FormatInt(user.ID, 10))
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}
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