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[feature] Federate interaction policies + Accepts; enforce policies (#3138)

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* [feature] Federate interaction policies + Accepts; enforce policies

* use Acceptable type

* fix index

* remove appendIRIStrs

* add GetAccept federatingdb function

* lock on object IRI
This commit is contained in:
tobi 2024-07-26 12:04:28 +02:00 • committed by GitHub
commit 8ab2b19a94
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42 changed files with 3541 additions and 254 deletions
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32
internal/transport/controller.go
View file

@ -204,6 +204,38 @@ func (c *controller) dereferenceLocalUser(ctx context.Context, iri *url.URL) (*h
return rsp, nil
}
// dereferenceLocalAccept is a shortcut to dereference an accept created
// by an account on this instance, without making any external api/http calls.
//
// It is passed to new transports, and should only be invoked when the iri.Host == this host.
func (c *controller) dereferenceLocalAccept(ctx context.Context, iri *url.URL) (*http.Response, error) {
accept, err := c.fedDB.GetAccept(ctx, iri)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, err
}
if accept == nil {
// Return a generic 404 not found response.
rsp := craftResponse(iri, http.StatusNotFound)
return rsp, nil
}
i, err := ap.Serialize(accept)
if err != nil {
return nil, err
}
b, err := json.Marshal(i)
if err != nil {
return nil, err
}
// Return a response with AS data as body.
rsp := craftResponse(iri, http.StatusOK)
rsp.Body = io.NopCloser(bytes.NewReader(b))
return rsp, nil
}
func craftResponse(url *url.URL, code int) *http.Response {
rsp := new(http.Response)
rsp.Request = new(http.Request)

25
internal/transport/dereference.go
View file

@ -29,17 +29,26 @@ import (
)
func (t *transport) Dereference(ctx context.Context, iri *url.URL) (*http.Response, error) {
// if the request is to us, we can shortcut for certain URIs rather than going through
// the normal request flow, thereby saving time and energy
// If the request is to us, we can shortcut for
// certain URIs rather than going through the normal
// request flow, thereby saving time and energy.
if iri.Host == config.GetHost() {
if uris.IsFollowersPath(iri) {
// the request is for followers of one of our accounts, which we can shortcut
return t.controller.dereferenceLocalFollowers(ctx, iri)
}
switch {
if uris.IsUserPath(iri) {
// the request is for one of our accounts, which we can shortcut
case uris.IsFollowersPath(iri):
// The request is for followers of one of
// our accounts, which we can shortcut.
return t.controller.dereferenceLocalFollowers(ctx, iri)
case uris.IsUserPath(iri):
// The request is for one of our
// accounts, which we can shortcut.
return t.controller.dereferenceLocalUser(ctx, iri)
case uris.IsAcceptsPath(iri):
// The request is for an Accept on
// our instance, which we can shortcut.
return t.controller.dereferenceLocalAccept(ctx, iri)
}
}