diff options
Diffstat (limited to 'internal/federation')
| -rw-r--r-- | internal/federation/commonbehavior.go | 7 | ||||
| -rw-r--r-- | internal/federation/federatingdb/followers.go | 14 | ||||
| -rw-r--r-- | internal/federation/federatingdb/following.go | 13 | ||||
| -rw-r--r-- | internal/federation/federatingdb/lock.go | 7 | ||||
| -rw-r--r-- | internal/federation/federatingprotocol.go | 5 | ||||
| -rw-r--r-- | internal/federation/federator.go | 3 | ||||
| -rw-r--r-- | internal/federation/finger.go | 69 | 
7 files changed, 109 insertions, 9 deletions
| diff --git a/internal/federation/commonbehavior.go b/internal/federation/commonbehavior.go index 8ed6fd2cb..fab9ce112 100644 --- a/internal/federation/commonbehavior.go +++ b/internal/federation/commonbehavior.go @@ -25,6 +25,7 @@ import (  	"net/url"  	"github.com/go-fed/activity/pub" +	"github.com/go-fed/activity/streams"  	"github.com/go-fed/activity/streams/vocab"  	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"  	"github.com/superseriousbusiness/gotosocial/internal/util" @@ -59,7 +60,7 @@ import (  func (f *federator) AuthenticateGetInbox(ctx context.Context, w http.ResponseWriter, r *http.Request) (context.Context, bool, error) {  	// IMPLEMENTATION NOTE: For GoToSocial, we serve GETS to outboxes and inboxes through  	// the CLIENT API, not through the federation API, so we just do nothing here. -	return nil, false, nil +	return ctx, false, nil  }  // AuthenticateGetOutbox delegates the authentication of a GET to an @@ -84,7 +85,7 @@ func (f *federator) AuthenticateGetInbox(ctx context.Context, w http.ResponseWri  func (f *federator) AuthenticateGetOutbox(ctx context.Context, w http.ResponseWriter, r *http.Request) (context.Context, bool, error) {  	// IMPLEMENTATION NOTE: For GoToSocial, we serve GETS to outboxes and inboxes through  	// the CLIENT API, not through the federation API, so we just do nothing here. -	return nil, false, nil +	return ctx, false, nil  }  // GetOutbox returns the OrderedCollection inbox of the actor for this @@ -98,7 +99,7 @@ func (f *federator) AuthenticateGetOutbox(ctx context.Context, w http.ResponseWr  func (f *federator) GetOutbox(ctx context.Context, r *http.Request) (vocab.ActivityStreamsOrderedCollectionPage, error) {  	// IMPLEMENTATION NOTE: For GoToSocial, we serve GETS to outboxes and inboxes through  	// the CLIENT API, not through the federation API, so we just do nothing here. -	return nil, nil +	return streams.NewActivityStreamsOrderedCollectionPage(), nil  }  // NewTransport returns a new Transport on behalf of a specific actor. diff --git a/internal/federation/federatingdb/followers.go b/internal/federation/federatingdb/followers.go index 28f3bb6d1..7cba101dd 100644 --- a/internal/federation/federatingdb/followers.go +++ b/internal/federation/federatingdb/followers.go @@ -10,6 +10,7 @@ import (  	"github.com/sirupsen/logrus"  	"github.com/superseriousbusiness/gotosocial/internal/db"  	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel" +	"github.com/superseriousbusiness/gotosocial/internal/util"  )  // Followers obtains the Followers Collection for an actor with the @@ -28,8 +29,17 @@ func (f *federatingDB) Followers(c context.Context, actorIRI *url.URL) (follower  	l.Debugf("entering FOLLOWERS function with actorIRI %s", actorIRI.String())  	acct := >smodel.Account{} -	if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil { -		return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err) + +	if util.IsUserPath(actorIRI) { +		if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil { +			return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err) +		} +	} else if util.IsFollowersPath(actorIRI) { +		if err := f.db.GetWhere([]db.Where{{Key: "followers_uri", Value: actorIRI.String()}}, acct); err != nil { +			return nil, fmt.Errorf("db error getting account with followers uri %s: %s", actorIRI.String(), err) +		} +	} else { +		return nil, fmt.Errorf("could not parse actor IRI %s as users or followers path", actorIRI.String())  	}  	acctFollowers := []gtsmodel.Follow{} diff --git a/internal/federation/federatingdb/following.go b/internal/federation/federatingdb/following.go index 342250880..f34f252a5 100644 --- a/internal/federation/federatingdb/following.go +++ b/internal/federation/federatingdb/following.go @@ -10,6 +10,7 @@ import (  	"github.com/sirupsen/logrus"  	"github.com/superseriousbusiness/gotosocial/internal/db"  	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel" +	"github.com/superseriousbusiness/gotosocial/internal/util"  )  // Following obtains the Following Collection for an actor with the @@ -28,8 +29,16 @@ func (f *federatingDB) Following(c context.Context, actorIRI *url.URL) (followin  	l.Debugf("entering FOLLOWING function with actorIRI %s", actorIRI.String())  	acct := >smodel.Account{} -	if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil { -		return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err) +	if util.IsUserPath(actorIRI) { +		if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil { +			return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err) +		} +	} else if util.IsFollowingPath(actorIRI) { +		if err := f.db.GetWhere([]db.Where{{Key: "following_uri", Value: actorIRI.String()}}, acct); err != nil { +			return nil, fmt.Errorf("db error getting account with following uri %s: %s", actorIRI.String(), err) +		} +	} else { +		return nil, fmt.Errorf("could not parse actor IRI %s as users or following path", actorIRI.String())  	}  	acctFollowing := []gtsmodel.Follow{} diff --git a/internal/federation/federatingdb/lock.go b/internal/federation/federatingdb/lock.go index 417fd79b2..c9062da89 100644 --- a/internal/federation/federatingdb/lock.go +++ b/internal/federation/federatingdb/lock.go @@ -42,6 +42,10 @@ func (f *federatingDB) Lock(c context.Context, id *url.URL) error {  	// Strategy: create a new lock, if stored, continue. Otherwise, lock the  	// existing mutex. +	if id == nil { +		return errors.New("Lock: id was nil") +	} +  	mu := &sync.Mutex{}  	mu.Lock() // Optimistically lock if we do store it.  	i, loaded := f.locks.LoadOrStore(id.String(), mu) @@ -59,6 +63,9 @@ func (f *federatingDB) Lock(c context.Context, id *url.URL) error {  func (f *federatingDB) Unlock(c context.Context, id *url.URL) error {  	// Once Go-Fed is done calling Database methods, the relevant `id`  	// entries are unlocked. +	if id == nil { +		return errors.New("Unlock: id was nil") +	}  	i, ok := f.locks.Load(id.String())  	if !ok { diff --git a/internal/federation/federatingprotocol.go b/internal/federation/federatingprotocol.go index e1c1ab184..e05bdb7b9 100644 --- a/internal/federation/federatingprotocol.go +++ b/internal/federation/federatingprotocol.go @@ -26,6 +26,7 @@ import (  	"net/url"  	"github.com/go-fed/activity/pub" +	"github.com/go-fed/activity/streams"  	"github.com/go-fed/activity/streams/vocab"  	"github.com/sirupsen/logrus"  	"github.com/superseriousbusiness/gotosocial/internal/db" @@ -310,7 +311,7 @@ func (f *federator) MaxDeliveryRecursionDepth(ctx context.Context) int {  // logic to be used, but the implementation must not modify it.  func (f *federator) FilterForwarding(ctx context.Context, potentialRecipients []*url.URL, a pub.Activity) ([]*url.URL, error) {  	// TODO -	return nil, nil +	return []*url.URL{}, nil  }  // GetInbox returns the OrderedCollection inbox of the actor for this @@ -324,5 +325,5 @@ func (f *federator) FilterForwarding(ctx context.Context, potentialRecipients []  func (f *federator) GetInbox(ctx context.Context, r *http.Request) (vocab.ActivityStreamsOrderedCollectionPage, error) {  	// IMPLEMENTATION NOTE: For GoToSocial, we serve GETS to outboxes and inboxes through  	// the CLIENT API, not through the federation API, so we just do nothing here. -	return nil, nil +	return streams.NewActivityStreamsOrderedCollectionPage(), nil  } diff --git a/internal/federation/federator.go b/internal/federation/federator.go index 149f68426..016a6fb68 100644 --- a/internal/federation/federator.go +++ b/internal/federation/federator.go @@ -40,6 +40,9 @@ type Federator interface {  	// AuthenticateFederatedRequest can be used to check the authenticity of incoming http-signed requests for federating resources.  	// The given username will be used to create a transport for making outgoing requests. See the implementation for more detailed comments.  	AuthenticateFederatedRequest(username string, r *http.Request) (*url.URL, error) +	// FingerRemoteAccount performs a webfinger lookup for a remote account, using the .well-known path. It will return the ActivityPub URI for that +	// account, or an error if it doesn't exist or can't be retrieved. +	FingerRemoteAccount(requestingUsername string, targetUsername string, targetDomain string) (*url.URL, error)  	// DereferenceRemoteAccount can be used to get the representation of a remote account, based on the account ID (which is a URI).  	// The given username will be used to create a transport for making outgoing requests. See the implementation for more detailed comments.  	DereferenceRemoteAccount(username string, remoteAccountID *url.URL) (typeutils.Accountable, error) diff --git a/internal/federation/finger.go b/internal/federation/finger.go new file mode 100644 index 000000000..9afe83edf --- /dev/null +++ b/internal/federation/finger.go @@ -0,0 +1,69 @@ +/* +   GoToSocial +   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org + +   This program is free software: you can redistribute it and/or modify +   it under the terms of the GNU Affero General Public License as published by +   the Free Software Foundation, either version 3 of the License, or +   (at your option) any later version. + +   This program is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +   GNU Affero General Public License for more details. + +   You should have received a copy of the GNU Affero General Public License +   along with this program.  If not, see <http://www.gnu.org/licenses/>. +*/ + +package federation + +import ( +	"context" +	"encoding/json" +	"errors" +	"fmt" +	"net/url" +	"strings" + +	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" +) + +func (f *federator) FingerRemoteAccount(requestingUsername string, targetUsername string, targetDomain string) (*url.URL, error) { + +	t, err := f.GetTransportForUser(requestingUsername) +	if err != nil { +		return nil, fmt.Errorf("FingerRemoteAccount: error getting transport for username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) +	} + +	b, err := t.Finger(context.Background(), targetUsername, targetDomain) +	if err != nil { +		return nil, fmt.Errorf("FingerRemoteAccount: error doing request on behalf of username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) +	} + +	resp := &apimodel.WebfingerAccountResponse{} +	if err := json.Unmarshal(b, resp); err != nil { +		return nil, fmt.Errorf("FingerRemoteAccount: could not unmarshal server response as WebfingerAccountResponse on behalf of username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) +	} + +	if len(resp.Links) == 0 { +		return nil, fmt.Errorf("FingerRemoteAccount: no links found in webfinger response %s", string(b)) +	} + +	// look through the links for the first one that matches "application/activity+json", this is what we need +	for _, l := range resp.Links { +		if strings.EqualFold(l.Type, "application/activity+json") { +			if l.Href == "" || l.Rel != "self" { +				continue +			} +			accountURI, err := url.Parse(l.Href) +			if err != nil { +				return nil, fmt.Errorf("FingerRemoteAccount: couldn't parse url %s: %s", l.Href, err) +			} +			// found it! +			return accountURI, nil +		} +	} + +	return nil, errors.New("FingerRemoteAccount: no match found in webfinger response") +} | 
