mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-04 06:52:26 -06:00
73 lines
2.5 KiB
Go
73 lines
2.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package transport
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import (
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"crypto"
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"fmt"
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"github.com/go-fed/activity/pub"
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"github.com/go-fed/httpsig"
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"github.com/sirupsen/logrus"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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)
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// Controller generates transports for use in making federation requests to other servers.
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type Controller interface {
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NewTransport(pubKeyID string, privkey crypto.PrivateKey) (pub.Transport, error)
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}
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type controller struct {
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config *config.Config
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db db.DB
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clock pub.Clock
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client pub.HttpClient
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appAgent string
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}
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// NewController returns an implementation of the Controller interface for creating new transports
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func NewController(config *config.Config, db db.DB, clock pub.Clock, client pub.HttpClient, log *logrus.Logger) Controller {
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return &controller{
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config: config,
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db: db,
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clock: clock,
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client: client,
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appAgent: fmt.Sprintf("%s %s", config.ApplicationName, config.Host),
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}
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}
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func (c *controller) NewTransport(pubKeyID string, privkey crypto.PrivateKey) (pub.Transport, error) {
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prefs := []httpsig.Algorithm{httpsig.Algorithm("rsa-sha256"), httpsig.Algorithm("rsa-sha512")}
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digestAlgo := httpsig.DigestAlgorithm("SHA-256")
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getHeaders := []string{"(request-target)", "Date"}
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postHeaders := []string{"(request-target)", "Date", "Digest"}
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getSigner, _, err := httpsig.NewSigner(prefs, digestAlgo, getHeaders, httpsig.Signature)
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if err != nil {
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return nil, fmt.Errorf("error creating get signer: %s", err)
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}
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postSigner, _, err := httpsig.NewSigner(prefs, digestAlgo, postHeaders, httpsig.Signature)
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if err != nil {
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return nil, fmt.Errorf("error creating post signer: %s", err)
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}
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return pub.NewHttpSigTransport(c.client, c.appAgent, c.clock, getSigner, postSigner, pubKeyID, privkey), nil
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}
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