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-rw-r--r--internal/messages/messages.go290
1 files changed, 290 insertions, 0 deletions
diff --git a/internal/messages/messages.go b/internal/messages/messages.go
index c5488d586..7779633ba 100644
--- a/internal/messages/messages.go
+++ b/internal/messages/messages.go
@@ -18,9 +18,15 @@
package messages
import (
+ "context"
+ "encoding/json"
"net/url"
+ "reflect"
"codeberg.org/gruf/go-structr"
+ "github.com/superseriousbusiness/activity/streams"
+ "github.com/superseriousbusiness/activity/streams/vocab"
+ "github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
@@ -50,6 +56,105 @@ type FromClientAPI struct {
Target *gtsmodel.Account
}
+// fromClientAPI is an internal type
+// for FromClientAPI that provides a
+// json serialize / deserialize -able
+// shape that minimizes required data.
+type fromClientAPI struct {
+ APObjectType string `json:"ap_object_type,omitempty"`
+ APActivityType string `json:"ap_activity_type,omitempty"`
+ GTSModel json.RawMessage `json:"gts_model,omitempty"`
+ GTSModelType string `json:"gts_model_type,omitempty"`
+ TargetURI string `json:"target_uri,omitempty"`
+ OriginID string `json:"origin_id,omitempty"`
+ TargetID string `json:"target_id,omitempty"`
+}
+
+// Serialize will serialize the worker data as data blob for storage,
+// note that this will flatten some of the data e.g. only account IDs.
+func (msg *FromClientAPI) Serialize() ([]byte, error) {
+ var (
+ modelType string
+ originID string
+ targetID string
+ )
+
+ // Set database model type if any provided.
+ if t := reflect.TypeOf(msg.GTSModel); t != nil {
+ modelType = t.String()
+ }
+
+ // Set origin account ID.
+ if msg.Origin != nil {
+ originID = msg.Origin.ID
+ }
+
+ // Set target account ID.
+ if msg.Target != nil {
+ targetID = msg.Target.ID
+ }
+
+ // Marshal GTS model as raw JSON block.
+ modelJSON, err := json.Marshal(msg.GTSModel)
+ if err != nil {
+ return nil, err
+ }
+
+ // Marshal as internal JSON type.
+ return json.Marshal(fromClientAPI{
+ APObjectType: msg.APObjectType,
+ APActivityType: msg.APActivityType,
+ GTSModel: modelJSON,
+ GTSModelType: modelType,
+ TargetURI: msg.TargetURI,
+ OriginID: originID,
+ TargetID: targetID,
+ })
+}
+
+// Deserialize will attempt to deserialize a blob of task data,
+// which will involve unflattening previously serialized data and
+// leave some message structures as placeholders to holding IDs.
+func (msg *FromClientAPI) Deserialize(data []byte) error {
+ var imsg fromClientAPI
+
+ // Unmarshal as internal JSON type.
+ err := json.Unmarshal(data, &imsg)
+ if err != nil {
+ return err
+ }
+
+ // Copy over the simplest fields.
+ msg.APObjectType = imsg.APObjectType
+ msg.APActivityType = imsg.APActivityType
+ msg.TargetURI = imsg.TargetURI
+
+ // Resolve Go type from JSON data.
+ msg.GTSModel, err = resolveGTSModel(
+ imsg.GTSModelType,
+ imsg.GTSModel,
+ )
+ if err != nil {
+ return err
+ }
+
+ if imsg.OriginID != "" {
+ // Set origin account ID using a
+ // barebones model (later filled in).
+ msg.Origin = new(gtsmodel.Account)
+ msg.Origin.ID = imsg.OriginID
+ }
+
+ if imsg.TargetID != "" {
+ // Set target account ID using a
+ // barebones model (later filled in).
+ msg.Target = new(gtsmodel.Account)
+ msg.Target.ID = imsg.TargetID
+ }
+
+ return nil
+}
+
// ClientMsgIndices defines queue indices this
// message type should be accessible / stored under.
func ClientMsgIndices() []structr.IndexConfig {
@@ -91,6 +196,133 @@ type FromFediAPI struct {
Receiving *gtsmodel.Account
}
+// fromFediAPI is an internal type
+// for FromFediAPI that provides a
+// json serialize / deserialize -able
+// shape that minimizes required data.
+type fromFediAPI struct {
+ APObjectType string `json:"ap_object_type,omitempty"`
+ APActivityType string `json:"ap_activity_type,omitempty"`
+ APIRI string `json:"ap_iri,omitempty"`
+ APObject map[string]interface{} `json:"ap_object,omitempty"`
+ GTSModel json.RawMessage `json:"gts_model,omitempty"`
+ GTSModelType string `json:"gts_model_type,omitempty"`
+ TargetURI string `json:"target_uri,omitempty"`
+ RequestingID string `json:"requesting_id,omitempty"`
+ ReceivingID string `json:"receiving_id,omitempty"`
+}
+
+// Serialize will serialize the worker data as data blob for storage,
+// note that this will flatten some of the data e.g. only account IDs.
+func (msg *FromFediAPI) Serialize() ([]byte, error) {
+ var (
+ gtsModelType string
+ apIRI string
+ apObject map[string]interface{}
+ requestingID string
+ receivingID string
+ )
+
+ // Set AP IRI string.
+ if msg.APIRI != nil {
+ apIRI = msg.APIRI.String()
+ }
+
+ // Set serialized AP object data if set.
+ if t, ok := msg.APObject.(vocab.Type); ok {
+ obj, err := t.Serialize()
+ if err != nil {
+ return nil, err
+ }
+ apObject = obj
+ }
+
+ // Set database model type if any provided.
+ if t := reflect.TypeOf(msg.GTSModel); t != nil {
+ gtsModelType = t.String()
+ }
+
+ // Set requesting account ID.
+ if msg.Requesting != nil {
+ requestingID = msg.Requesting.ID
+ }
+
+ // Set receiving account ID.
+ if msg.Receiving != nil {
+ receivingID = msg.Receiving.ID
+ }
+
+ // Marshal GTS model as raw JSON block.
+ modelJSON, err := json.Marshal(msg.GTSModel)
+ if err != nil {
+ return nil, err
+ }
+
+ // Marshal as internal JSON type.
+ return json.Marshal(fromFediAPI{
+ APObjectType: msg.APObjectType,
+ APActivityType: msg.APActivityType,
+ APIRI: apIRI,
+ APObject: apObject,
+ GTSModel: modelJSON,
+ GTSModelType: gtsModelType,
+ TargetURI: msg.TargetURI,
+ RequestingID: requestingID,
+ ReceivingID: receivingID,
+ })
+}
+
+// Deserialize will attempt to deserialize a blob of task data,
+// which will involve unflattening previously serialized data and
+// leave some message structures as placeholders to holding IDs.
+func (msg *FromFediAPI) Deserialize(data []byte) error {
+ var imsg fromFediAPI
+
+ // Unmarshal as internal JSON type.
+ err := json.Unmarshal(data, &imsg)
+ if err != nil {
+ return err
+ }
+
+ // Copy over the simplest fields.
+ msg.APObjectType = imsg.APObjectType
+ msg.APActivityType = imsg.APActivityType
+ msg.TargetURI = imsg.TargetURI
+
+ // Resolve AP object from JSON data.
+ msg.APObject, err = resolveAPObject(
+ imsg.APObject,
+ )
+ if err != nil {
+ return err
+ }
+
+ // Resolve Go type from JSON data.
+ msg.GTSModel, err = resolveGTSModel(
+ imsg.GTSModelType,
+ imsg.GTSModel,
+ )
+ if err != nil {
+ return err
+ }
+
+ if imsg.RequestingID != "" {
+ // Set requesting account ID using a
+ // barebones model (later filled in).
+ msg.Requesting = new(gtsmodel.Account)
+ msg.Requesting.ID = imsg.RequestingID
+ }
+
+ if imsg.ReceivingID != "" {
+ // Set target account ID using a
+ // barebones model (later filled in).
+ msg.Receiving = new(gtsmodel.Account)
+ msg.Receiving.ID = imsg.ReceivingID
+ }
+
+ return nil
+}
+
// FederatorMsgIndices defines queue indices this
// message type should be accessible / stored under.
func FederatorMsgIndices() []structr.IndexConfig {
@@ -101,3 +333,61 @@ func FederatorMsgIndices() []structr.IndexConfig {
{Fields: "Receiving.ID", Multiple: true},
}
}
+
+// resolveAPObject resolves an ActivityPub object from its "serialized" JSON map
+// (yes the terminology here is weird, but that's how go-fed/activity is written).
+func resolveAPObject(data map[string]interface{}) (interface{}, error) {
+ if len(data) == 0 {
+ // No data given.
+ return nil, nil
+ }
+
+ // Resolve vocab.Type from "raw" input data map.
+ return streams.ToType(context.Background(), data)
+}
+
+// resolveGTSModel is unfortunately where things get messy... our data is stored as JSON
+// in the database, which serializes struct types as key-value pairs surrounded by curly
+// braces. Deserializing from that gives us back a data blob of key-value pairs, which
+// we then need to wrangle back into the original type. So we also store the type name
+// and use this to determine the appropriate Go structure type to unmarshal into to.
+func resolveGTSModel(typ string, data []byte) (interface{}, error) {
+ if typ == "" && data == nil {
+ // No data given.
+ return nil, nil
+ }
+
+ var value interface{}
+
+ switch typ {
+ case reflect.TypeOf((*gtsmodel.Account)(nil)).String():
+ value = new(gtsmodel.Account)
+ case reflect.TypeOf((*gtsmodel.Block)(nil)).String():
+ value = new(gtsmodel.Block)
+ case reflect.TypeOf((*gtsmodel.Follow)(nil)).String():
+ value = new(gtsmodel.Follow)
+ case reflect.TypeOf((*gtsmodel.FollowRequest)(nil)).String():
+ value = new(gtsmodel.FollowRequest)
+ case reflect.TypeOf((*gtsmodel.Move)(nil)).String():
+ value = new(gtsmodel.Move)
+ case reflect.TypeOf((*gtsmodel.Poll)(nil)).String():
+ value = new(gtsmodel.Poll)
+ case reflect.TypeOf((*gtsmodel.PollVote)(nil)).String():
+ value = new(*gtsmodel.PollVote)
+ case reflect.TypeOf((*gtsmodel.Report)(nil)).String():
+ value = new(gtsmodel.Report)
+ case reflect.TypeOf((*gtsmodel.Status)(nil)).String():
+ value = new(gtsmodel.Status)
+ case reflect.TypeOf((*gtsmodel.StatusFave)(nil)).String():
+ value = new(gtsmodel.StatusFave)
+ default:
+ return nil, gtserror.Newf("unknown type: %s", typ)
+ }
+
+ // Attempt to unmarshal value JSON into destination.
+ if err := json.Unmarshal(data, &value); err != nil {
+ return nil, gtserror.Newf("error unmarshaling %s value data: %w", typ, err)
+ }
+
+ return value, nil
+}