138 lines
3.8 KiB
Go
138 lines
3.8 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package trans
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import (
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"crypto/x509"
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"encoding/pem"
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"errors"
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"fmt"
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"time"
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"github.com/mitchellh/mapstructure"
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transmodel "github.com/superseriousbusiness/gotosocial/internal/trans/model"
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)
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func newDecoder(target interface{}) (*mapstructure.Decoder, error) {
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decoderConfig := &mapstructure.DecoderConfig{
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DecodeHook: mapstructure.StringToTimeHookFunc(time.RFC3339), // this is needed to decode time.Time entries serialized as string
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Result: target,
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}
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return mapstructure.NewDecoder(decoderConfig)
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}
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func (i *importer) accountDecode(e transmodel.Entry) (*transmodel.Account, error) {
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a := &transmodel.Account{}
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if err := i.simpleDecode(e, a); err != nil {
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return nil, err
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}
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// extract public key
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publicKeyBlock, _ := pem.Decode([]byte(a.PublicKeyString))
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if publicKeyBlock == nil {
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return nil, errors.New("accountDecode: error decoding account public key")
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}
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publicKey, err := x509.ParsePKCS1PublicKey(publicKeyBlock.Bytes)
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if err != nil {
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return nil, fmt.Errorf("accountDecode: error parsing account public key: %s", err)
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}
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a.PublicKey = publicKey
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if a.Domain == "" {
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// extract private key (local account)
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privateKeyBlock, _ := pem.Decode([]byte(a.PrivateKeyString))
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if privateKeyBlock == nil {
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return nil, errors.New("accountDecode: error decoding account private key")
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}
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privateKey, err := x509.ParsePKCS1PrivateKey(privateKeyBlock.Bytes)
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if err != nil {
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return nil, fmt.Errorf("accountDecode: error parsing account private key: %s", err)
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}
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a.PrivateKey = privateKey
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}
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return a, nil
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}
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func (i *importer) blockDecode(e transmodel.Entry) (*transmodel.Block, error) {
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b := &transmodel.Block{}
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if err := i.simpleDecode(e, b); err != nil {
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return nil, err
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}
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return b, nil
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}
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func (i *importer) domainBlockDecode(e transmodel.Entry) (*transmodel.DomainBlock, error) {
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b := &transmodel.DomainBlock{}
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if err := i.simpleDecode(e, b); err != nil {
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return nil, err
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}
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return b, nil
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}
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func (i *importer) followDecode(e transmodel.Entry) (*transmodel.Follow, error) {
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f := &transmodel.Follow{}
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if err := i.simpleDecode(e, f); err != nil {
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return nil, err
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}
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return f, nil
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}
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func (i *importer) followRequestDecode(e transmodel.Entry) (*transmodel.FollowRequest, error) {
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f := &transmodel.FollowRequest{}
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if err := i.simpleDecode(e, f); err != nil {
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return nil, err
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}
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return f, nil
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}
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func (i *importer) instanceDecode(e transmodel.Entry) (*transmodel.Instance, error) {
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inst := &transmodel.Instance{}
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if err := i.simpleDecode(e, inst); err != nil {
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return nil, err
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}
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return inst, nil
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}
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func (i *importer) userDecode(e transmodel.Entry) (*transmodel.User, error) {
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u := &transmodel.User{}
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if err := i.simpleDecode(e, u); err != nil {
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return nil, err
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}
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return u, nil
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}
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func (i *importer) simpleDecode(entry transmodel.Entry, target interface{}) error {
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decoder, err := newDecoder(target)
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if err != nil {
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return fmt.Errorf("simpleDecode: error creating decoder: %s", err)
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}
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if err := decoder.Decode(&entry); err != nil {
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return fmt.Errorf("simpleDecode: error decoding: %s", err)
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}
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return nil
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}
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