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[bugfix] Don't return Internal Server Error when searching for URIs that don't return AP JSON (#2550)

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* [bugfix] Don't return Internal Server Error when searching for URIs that don't return AP JSON

* don't pass map pointer
This commit is contained in:
tobi
2024-01-22 15:38:45 +01:00
committed by GitHub
parent b3ba1516a7
commit d9729e7d28
3 changed files with 70 additions and 19 deletions
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54
internal/ap/resolve.go
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@ -27,6 +27,7 @@ import (
"github.com/superseriousbusiness/activity/pub"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
)
@ -56,6 +57,35 @@ func putMap(m map[string]any) {
mapPool.Put(m)
}
// bytesToType tries to parse the given bytes slice
// as a JSON ActivityPub type, failing if the input
// bytes are not parseable as JSON, or do not parse
// to an ActivityPub that we can understand.
//
// The given map pointer will also be populated with
// the parsed JSON, to allow further processing.
func bytesToType(
ctx context.Context,
b []byte,
raw map[string]any,
) (vocab.Type, error) {
// Unmarshal the raw JSON bytes into a "raw" map.
// This will fail if the input is not parseable
// as JSON; eg., a remote has returned HTML as a
// fallback response to an ActivityPub JSON request.
if err := json.Unmarshal(b, &raw); err != nil {
return nil, gtserror.NewfAt(3, "error unmarshalling bytes into json: %w", err)
}
// Resolve an ActivityStreams type.
t, err := streams.ToType(ctx, raw)
if err != nil {
return nil, gtserror.NewfAt(3, "error resolving json into ap vocab type: %w", err)
}
return t, nil
}
// ResolveActivity is a util function for pulling a pub.Activity type out of an incoming request body,
// returning the resolved activity type, error and whether to accept activity (false = transient i.e. ignore).
func ResolveIncomingActivity(r *http.Request) (pub.Activity, bool, gtserror.WithCode) {
@ -121,15 +151,11 @@ func ResolveStatusable(ctx context.Context, b []byte) (Statusable, error) {
// destination.
raw := getMap()
// Unmarshal the raw JSON data in a "raw" JSON map.
if err := json.Unmarshal(b, &raw); err != nil {
return nil, gtserror.Newf("error unmarshalling bytes into json: %w", err)
}
// Resolve an ActivityStreams type from JSON.
t, err := streams.ToType(ctx, raw)
// Convert raw bytes to an AP type.
// This will also populate the map.
t, err := bytesToType(ctx, b, raw)
if err != nil {
return nil, gtserror.Newf("error resolving json into ap vocab type: %w", err)
return nil, gtserror.SetWrongType(err)
}
// Attempt to cast as Statusable.
@ -166,15 +192,11 @@ func ResolveAccountable(ctx context.Context, b []byte) (Accountable, error) {
// destination.
raw := getMap()
// Unmarshal the raw JSON data in a "raw" JSON map.
if err := json.Unmarshal(b, &raw); err != nil {
return nil, gtserror.Newf("error unmarshalling bytes into json: %w", err)
}
// Resolve an ActivityStreams type from JSON.
t, err := streams.ToType(ctx, raw)
// Convert raw bytes to an AP type.
// This will also populate the map.
t, err := bytesToType(ctx, b, raw)
if err != nil {
return nil, gtserror.Newf("error resolving json into ap vocab type: %w", err)
return nil, gtserror.SetWrongType(err)
}
// Attempt to cast as Statusable.