forked from gitea/gitea
128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"strings"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/log"
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"github.com/keybase/go-crypto/openpgp"
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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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// / /_\ \ / __ |/ __ |
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// / | \/ /_/ / /_/ |
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// \____|__ /\____ \____ |
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// \/ \/ \/
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// This file contains functions relating to adding GPG Keys
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// addGPGKey add key, import and subkeys to database
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func addGPGKey(e db.Engine, key *GPGKey, content string) (err error) {
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// Add GPGKeyImport
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if _, err = e.Insert(GPGKeyImport{
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KeyID: key.KeyID,
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Content: content,
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}); err != nil {
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return err
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}
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// Save GPG primary key.
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if _, err = e.Insert(key); err != nil {
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return err
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}
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// Save GPG subs key.
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for _, subkey := range key.SubsKey {
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if err := addGPGSubKey(e, subkey); err != nil {
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return err
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}
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}
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return nil
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}
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// addGPGSubKey add subkeys to database
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func addGPGSubKey(e db.Engine, key *GPGKey) (err error) {
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// Save GPG primary key.
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if _, err = e.Insert(key); err != nil {
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return err
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}
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// Save GPG subs key.
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for _, subkey := range key.SubsKey {
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if err := addGPGSubKey(e, subkey); err != nil {
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return err
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}
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}
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return nil
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}
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// AddGPGKey adds new public key to database.
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func AddGPGKey(ownerID int64, content, token, signature string) ([]*GPGKey, error) {
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ekeys, err := checkArmoredGPGKeyString(content)
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if err != nil {
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return nil, err
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}
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ctx, committer, err := db.TxContext()
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if err != nil {
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return nil, err
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}
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defer committer.Close()
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keys := make([]*GPGKey, 0, len(ekeys))
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verified := false
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// Handle provided signature
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if signature != "" {
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signer, err := openpgp.CheckArmoredDetachedSignature(ekeys, strings.NewReader(token), strings.NewReader(signature))
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if err != nil {
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signer, err = openpgp.CheckArmoredDetachedSignature(ekeys, strings.NewReader(token+"\n"), strings.NewReader(signature))
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}
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if err != nil {
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signer, err = openpgp.CheckArmoredDetachedSignature(ekeys, strings.NewReader(token+"\r\n"), strings.NewReader(signature))
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}
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if err != nil {
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log.Error("Unable to validate token signature. Error: %v", err)
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return nil, ErrGPGInvalidTokenSignature{
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ID: ekeys[0].PrimaryKey.KeyIdString(),
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Wrapped: err,
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}
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}
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ekeys = []*openpgp.Entity{signer}
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verified = true
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}
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for _, ekey := range ekeys {
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// Key ID cannot be duplicated.
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has, err := db.GetEngine(ctx).Where("key_id=?", ekey.PrimaryKey.KeyIdString()).
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Get(new(GPGKey))
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if err != nil {
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return nil, err
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} else if has {
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return nil, ErrGPGKeyIDAlreadyUsed{ekey.PrimaryKey.KeyIdString()}
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}
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// Get DB session
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key, err := parseGPGKey(ownerID, ekey, verified)
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if err != nil {
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return nil, err
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}
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if err = addGPGKey(db.GetEngine(ctx), key, content); err != nil {
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return nil, err
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}
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keys = append(keys, key)
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}
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return keys, committer.Commit()
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}
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