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[chore] refactor extractFromCtx a bit (#2646)

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tobi 2024-02-17 15:20:39 +01:00 committed by GitHub
parent a41e8a95bf
commit d3f35e8eba
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8 changed files with 106 additions and 59 deletions
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19
internal/federation/federatingdb/accept.go
View file

@ -41,11 +41,14 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
l.Debug("entering Accept")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
// Iterate all provided objects in the activity.
for _, object := range ap.ExtractObjects(accept) {
@ -65,13 +68,13 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if gtsFollow.AccountID != receivingAccount.ID {
if gtsFollow.AccountID != receivingAcct.ID {
return errors.New("ACCEPT: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if gtsFollow.TargetAccountID != requestingAccount.ID {
if gtsFollow.TargetAccountID != requestingAcct.ID {
return errors.New("ACCEPT: follow target account and requesting account were not the same")
}
@ -84,7 +87,7 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityAccept,
GTSModel: follow,
ReceivingAccount: receivingAccount,
ReceivingAccount: receivingAcct,
})
}
@ -112,13 +115,13 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if followReq.AccountID != receivingAccount.ID {
if followReq.AccountID != receivingAcct.ID {
return errors.New("ACCEPT: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if followReq.TargetAccountID != requestingAccount.ID {
if followReq.TargetAccountID != requestingAcct.ID {
return errors.New("ACCEPT: follow target account and requesting account were not the same")
}
@ -131,7 +134,7 @@ func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsA
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityAccept,
GTSModel: follow,
ReceivingAccount: receivingAccount,
ReceivingAccount: receivingAcct,
})
continue

13
internal/federation/federatingdb/announce.go
View file

@ -41,22 +41,25 @@ func (f *federatingDB) Announce(ctx context.Context, announce vocab.ActivityStre
l.Debug("entering Announce")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
// Ensure requestingAccount is among
// the Actors doing the Announce.
//
// We don't support Announce forwards.
actorIRIs := ap.GetActorIRIs(announce)
if !slices.ContainsFunc(actorIRIs, func(actorIRI *url.URL) bool {
return actorIRI.String() == requestingAccount.URI
return actorIRI.String() == requestingAcct.URI
}) {
return gtserror.Newf(
"requestingAccount %s was not among Announce Actors",
requestingAccount.URI,
requestingAcct.URI,
)
}
@ -76,7 +79,7 @@ func (f *federatingDB) Announce(ctx context.Context, announce vocab.ActivityStre
APObjectType: ap.ActivityAnnounce,
APActivityType: ap.ActivityCreate,
GTSModel: boost,
ReceivingAccount: receivingAccount,
ReceivingAccount: receivingAcct,
})
return nil

17
internal/federation/federatingdb/create.go
View file

@ -63,27 +63,30 @@ func (f *federatingDB) Create(ctx context.Context, asType vocab.Type) error {
Trace("entering Create")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
switch asType.GetTypeName() {
case ap.ActivityBlock:
// BLOCK SOMETHING
return f.activityBlock(ctx, asType, receivingAccount, requestingAccount)
return f.activityBlock(ctx, asType, receivingAcct, requestingAcct)
case ap.ActivityCreate:
// CREATE SOMETHING
return f.activityCreate(ctx, asType, receivingAccount, requestingAccount)
return f.activityCreate(ctx, asType, receivingAcct, requestingAcct)
case ap.ActivityFollow:
// FOLLOW SOMETHING
return f.activityFollow(ctx, asType, receivingAccount, requestingAccount)
return f.activityFollow(ctx, asType, receivingAcct, requestingAcct)
case ap.ActivityLike:
// LIKE SOMETHING
return f.activityLike(ctx, asType, receivingAccount, requestingAccount)
return f.activityLike(ctx, asType, receivingAcct, requestingAcct)
case ap.ActivityFlag:
// FLAG / REPORT SOMETHING
return f.activityFlag(ctx, asType, receivingAccount, requestingAccount)
return f.activityFlag(ctx, asType, receivingAcct, requestingAcct)
}
return nil

15
internal/federation/federatingdb/delete.go
View file

@ -40,30 +40,33 @@ func (f *federatingDB) Delete(ctx context.Context, id *url.URL) error {
}...)
l.Debug("entering Delete")
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
// in a delete we only get the URI, we can't know if we have a status or a profile or something else,
// so we have to try a few different things...
if s, err := f.state.DB.GetStatusByURI(ctx, id.String()); err == nil && requestingAccount.ID == s.AccountID {
if s, err := f.state.DB.GetStatusByURI(ctx, id.String()); err == nil && requestingAcct.ID == s.AccountID {
l.Debugf("uri is for STATUS with id: %s", s.ID)
f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
APObjectType: ap.ObjectNote,
APActivityType: ap.ActivityDelete,
GTSModel: s,
ReceivingAccount: receivingAccount,
ReceivingAccount: receivingAcct,
})
}
if a, err := f.state.DB.GetAccountByURI(ctx, id.String()); err == nil && requestingAccount.ID == a.ID {
if a, err := f.state.DB.GetAccountByURI(ctx, id.String()); err == nil && requestingAcct.ID == a.ID {
l.Debugf("uri is for ACCOUNT with id %s", a.ID)
f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
APObjectType: ap.ObjectProfile,
APActivityType: ap.ActivityDelete,
GTSModel: a,
ReceivingAccount: receivingAccount,
ReceivingAccount: receivingAcct,
})
}

15
internal/federation/federatingdb/reject.go
View file

@ -40,11 +40,14 @@ func (f *federatingDB) Reject(ctx context.Context, reject vocab.ActivityStreamsR
l.Debug("entering Reject")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
for _, obj := range ap.ExtractObjects(reject) {
if obj.IsIRI() {
@ -59,13 +62,13 @@ func (f *federatingDB) Reject(ctx context.Context, reject vocab.ActivityStreamsR
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if followReq.AccountID != receivingAccount.ID {
if followReq.AccountID != receivingAcct.ID {
return errors.New("Reject: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if followReq.TargetAccountID != requestingAccount.ID {
if followReq.TargetAccountID != requestingAcct.ID {
return errors.New("Reject: follow target account and requesting account were not the same")
}
@ -89,13 +92,13 @@ func (f *federatingDB) Reject(ctx context.Context, reject vocab.ActivityStreamsR
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if gtsFollow.AccountID != receivingAccount.ID {
if gtsFollow.AccountID != receivingAcct.ID {
return errors.New("Reject: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if gtsFollow.TargetAccountID != requestingAccount.ID {
if gtsFollow.TargetAccountID != requestingAcct.ID {
return errors.New("Reject: follow target account and requesting account were not the same")
}

14
internal/federation/federatingdb/undo.go
View file

@ -44,13 +44,15 @@ func (f *federatingDB) Undo(ctx context.Context, undo vocab.ActivityStreamsUndo)
l.Debug("entering Undo")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
var errs gtserror.MultiError
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
var errs gtserror.MultiError
for _, object := range ap.ExtractObjects(undo) {
// Try to get object as vocab.Type,
// else skip handling (likely) IRI.
@ -61,18 +63,18 @@ func (f *federatingDB) Undo(ctx context.Context, undo vocab.ActivityStreamsUndo)
switch objType.GetTypeName() {
case ap.ActivityFollow:
if err := f.undoFollow(ctx, receivingAccount, requestingAccount, undo, objType); err != nil {
if err := f.undoFollow(ctx, receivingAcct, requestingAcct, undo, objType); err != nil {
errs.Appendf("error undoing follow: %w", err)
}
case ap.ActivityLike:
if err := f.undoLike(ctx, receivingAccount, requestingAccount, undo, objType); err != nil {
if err := f.undoLike(ctx, receivingAcct, requestingAcct, undo, objType); err != nil {
errs.Appendf("error undoing like: %w", err)
}
case ap.ActivityAnnounce:
// TODO: actually handle this !
log.Warn(ctx, "skipped undo announce")
case ap.ActivityBlock:
if err := f.undoBlock(ctx, receivingAccount, requestingAccount, undo, objType); err != nil {
if err := f.undoBlock(ctx, receivingAcct, requestingAcct, undo, objType); err != nil {
errs.Appendf("error undoing block: %w", err)
}
}

11
internal/federation/federatingdb/update.go
View file

@ -53,17 +53,20 @@ func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error {
l.Debug("entering Update")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
if accountable, ok := ap.ToAccountable(asType); ok {
return f.updateAccountable(ctx, receivingAccount, requestingAccount, accountable)
return f.updateAccountable(ctx, receivingAcct, requestingAcct, accountable)
}
if statusable, ok := ap.ToStatusable(asType); ok {
return f.updateStatusable(ctx, receivingAccount, requestingAccount, statusable)
return f.updateStatusable(ctx, receivingAcct, requestingAcct, statusable)
}
return nil

61
internal/federation/federatingdb/util.go
View file

@ -220,25 +220,52 @@ func (f *federatingDB) collectIRIs(ctx context.Context, iris []*url.URL) (vocab.
return collection, nil
}
// extractFromCtx extracts some useful values from a context passed into the federatingDB:
//
// - The account that owns the inbox or URI being interacted with.
// - The account that POSTed a request to the inbox.
// - Whether this is an internal request (one originating not from
// the API but from inside the instance).
//
// If the request is internal, the caller can assume that the activity has
// already been processed elsewhere, and should return with no further action.
func extractFromCtx(ctx context.Context) (receivingAccount *gtsmodel.Account, requestingAccount *gtsmodel.Account, internal bool) {
receivingAccount = gtscontext.ReceivingAccount(ctx)
requestingAccount = gtscontext.RequestingAccount(ctx)
// activityContext represents the context in
// which a call to one of the federatingdb
// functions is taking place, including the
// account who initiated the request via POST
// to an inbox, and the account who received
// the request in their inbox.
type activityContext struct {
// The account that owns the inbox
// or URI being interacted with.
receivingAcct *gtsmodel.Account
// If the receiving account wasn't set on the context, that
// means this request didn't pass through the API, but
// came from inside GtS as the result of a local activity.
internal = receivingAccount == nil
// The account whose keyId was used
// to POST a request to the inbox.
requestingAcct *gtsmodel.Account
return
// Whether this is an internal request,
// ie., one originating not from the
// API but from inside the instance.
//
// If the request is internal, it's
// safe to assume that the activity
// has already been processed elsewhere,
// and we can return with no action.
internal bool
}
// getActivityContext extracts the context in
// which an Activity is taking place from the
// context.Context passed in to one of the
// federatingdb functions.
func getActivityContext(ctx context.Context) activityContext {
receivingAcct := gtscontext.ReceivingAccount(ctx)
requestingAcct := gtscontext.RequestingAccount(ctx)
// If the receiving account wasn't set on
// the context, that means this request
// didn't pass through the fedi API, but
// came from inside the instance as the
// result of a local activity.
internal := receivingAcct == nil
return activityContext{
receivingAcct: receivingAcct,
requestingAcct: requestingAcct,
internal: internal,
}
}
func marshalItem(item vocab.Type) (string, error) {