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Update room version descriptors, add error handling

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This commit is contained in:
Neil Alexander 2020-03-16 15:00:14 +00:00
parent dfd8b93d93
commit c3f8eeb50f
6 changed files with 85 additions and 74 deletions
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2
go.mod
View file

@ -10,7 +10,7 @@ require (
github.com/matrix-org/go-http-js-libp2p v0.0.0-20200310180544-7f3fad43b51c
github.com/matrix-org/go-sqlite3-js v0.0.0-20200304164012-aa524245b658
github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26
github.com/matrix-org/gomatrixserverlib v0.0.0-20200306154041-df6bb9a3e424
github.com/matrix-org/gomatrixserverlib v0.0.0-20200316144058-cc6847798a3f
github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1
github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7
github.com/mattn/go-sqlite3 v2.0.2+incompatible

4
go.sum
View file

@ -138,6 +138,10 @@ github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5 h1:km
github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200306154041-df6bb9a3e424 h1:H61lT6ckUFIDl9qb636qNomfo0B52lFt73ecioiqF10=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200306154041-df6bb9a3e424/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200316100021-ac4a53d49690 h1:aQPPypOdoIsquJHhoalRYvKtDoiJfSyyJqOEn6R7yTY=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200316100021-ac4a53d49690/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200316144058-cc6847798a3f h1:JXSvzG4movqXT1KcdX+XZ9HM61m1FW4rIMFKUM9j/Dk=
github.com/matrix-org/gomatrixserverlib v0.0.0-20200316144058-cc6847798a3f/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1 h1:osLoFdOy+ChQqVUn2PeTDETFftVkl4w9t/OW18g3lnk=
github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1/go.mod h1:cXoYQIENbdWIQHt1SyCo6Bl3C3raHwJ0wgVrXHSqf+A=
github.com/matrix-org/util v0.0.0-20171127121716-2e2df66af2f5 h1:W7l5CP4V7wPyPb4tYE11dbmeAOwtFQBTW0rf4OonOS8=

5
roomserver/query/query.go
View file

@ -20,7 +20,6 @@ import (
"context"
"encoding/json"
"net/http"
"strconv"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/roomserver/api"
@ -733,10 +732,10 @@ func (r *RoomserverQueryAPI) QueryRoomVersionCapabilities(
request *api.QueryRoomVersionCapabilitiesRequest,
response *api.QueryRoomVersionCapabilitiesResponse,
) error {
response.DefaultRoomVersion = strconv.Itoa(int(version.GetDefaultRoomVersion()))
response.DefaultRoomVersion = string(version.GetDefaultRoomVersion())
response.AvailableRoomVersions = make(map[string]string)
for v, desc := range version.GetSupportedRoomVersions() {
sv := strconv.Itoa(int(v))
sv := string(v)
if desc.Stable {
response.AvailableRoomVersions[sv] = "stable"
} else {

4
roomserver/storage/postgres/rooms_table.go
View file

@ -42,13 +42,13 @@ CREATE TABLE IF NOT EXISTS roomserver_rooms (
state_snapshot_nid BIGINT NOT NULL DEFAULT 0,
-- The version of the room, which will assist in determining the state resolution
-- algorithm, event ID format, etc.
room_version BIGINT NOT NULL DEFAULT 1
room_version TEXT NOT NULL DEFAULT '1'
);
`
// Same as insertEventTypeNIDSQL
const insertRoomNIDSQL = "" +
"INSERT INTO roomserver_rooms (room_id) VALUES ($1)" +
"INSERT INTO roomserver_rooms (room_id, room_version) VALUES ($1, $2)" +
" ON CONFLICT ON CONSTRAINT roomserver_room_id_unique" +
" DO NOTHING RETURNING (room_nid)"

4
roomserver/storage/sqlite3/rooms_table.go
View file

@ -31,13 +31,13 @@ const roomsSchema = `
latest_event_nids TEXT NOT NULL DEFAULT '[]',
last_event_sent_nid INTEGER NOT NULL DEFAULT 0,
state_snapshot_nid INTEGER NOT NULL DEFAULT 0,
room_version INTEGER NOT NULL DEFAULT 1
room_version TEXT NOT NULL DEFAULT '1'
);
`
// Same as insertEventTypeNIDSQL
const insertRoomNIDSQL = `
INSERT INTO roomserver_rooms (room_id) VALUES ($1)
INSERT INTO roomserver_rooms (room_id, room_version) VALUES ($1, $2)
ON CONFLICT DO NOTHING;
`

140
roomserver/version/version.go
View file

@ -15,84 +15,58 @@
package version
import (
"errors"
"fmt"
"github.com/matrix-org/dendrite/roomserver/state"
)
type RoomVersionID int
type EventFormatID int
const (
RoomVersionV1 RoomVersionID = iota + 1
RoomVersionV2
RoomVersionV3
RoomVersionV4
RoomVersionV5
)
const (
EventFormatV1 EventFormatID = iota + 1 // original event ID formatting
EventFormatV2 // event ID is event hash
EventFormatV3 // event ID is URL-safe base64 event hash
"github.com/matrix-org/gomatrixserverlib"
)
// RoomVersionDescription contains information about a room version,
// namely whether it is marked as supported or stable in this server
// version.
type RoomVersionDescription struct {
Supported bool
Stable bool
StateResolution state.StateResolutionVersion
EventFormat EventFormatID
EnforceSigningKeyValidity bool
Supported bool
Stable bool
}
var roomVersions = map[RoomVersionID]RoomVersionDescription{
RoomVersionV1: RoomVersionDescription{
Supported: true,
Stable: true,
StateResolution: state.StateResolutionAlgorithmV1,
EventFormat: EventFormatV1,
EnforceSigningKeyValidity: false,
var roomVersions = map[gomatrixserverlib.RoomVersion]RoomVersionDescription{
gomatrixserverlib.RoomVersionV1: RoomVersionDescription{
Supported: true,
Stable: true,
},
RoomVersionV2: RoomVersionDescription{
Supported: false,
Stable: true,
StateResolution: state.StateResolutionAlgorithmV2,
EventFormat: EventFormatV1,
EnforceSigningKeyValidity: false,
gomatrixserverlib.RoomVersionV2: RoomVersionDescription{
Supported: false,
Stable: false,
},
RoomVersionV3: RoomVersionDescription{
Supported: false,
Stable: true,
StateResolution: state.StateResolutionAlgorithmV2,
EventFormat: EventFormatV2,
EnforceSigningKeyValidity: false,
gomatrixserverlib.RoomVersionV3: RoomVersionDescription{
Supported: false,
Stable: false,
},
RoomVersionV4: RoomVersionDescription{
Supported: false,
Stable: true,
StateResolution: state.StateResolutionAlgorithmV2,
EventFormat: EventFormatV3,
EnforceSigningKeyValidity: false,
gomatrixserverlib.RoomVersionV4: RoomVersionDescription{
Supported: false,
Stable: false,
},
RoomVersionV5: RoomVersionDescription{
Supported: false,
Stable: true,
StateResolution: state.StateResolutionAlgorithmV2,
EventFormat: EventFormatV3,
EnforceSigningKeyValidity: true,
gomatrixserverlib.RoomVersionV5: RoomVersionDescription{
Supported: false,
Stable: false,
},
}
func GetDefaultRoomVersion() RoomVersionID {
return RoomVersionV1
// GetDefaultRoomVersion contains the room version that will, by
// default, be used to create new rooms on this server.
func GetDefaultRoomVersion() gomatrixserverlib.RoomVersion {
return gomatrixserverlib.RoomVersionV1
}
func GetRoomVersions() map[RoomVersionID]RoomVersionDescription {
// GetRoomVersions returns a map of all known room versions to this
// server.
func GetRoomVersions() map[gomatrixserverlib.RoomVersion]RoomVersionDescription {
return roomVersions
}
func GetSupportedRoomVersions() map[RoomVersionID]RoomVersionDescription {
versions := make(map[RoomVersionID]RoomVersionDescription)
// GetSupportedRoomVersions returns a map of descriptions for room
// versions that are supported by this homeserver.
func GetSupportedRoomVersions() map[gomatrixserverlib.RoomVersion]RoomVersionDescription {
versions := make(map[gomatrixserverlib.RoomVersion]RoomVersionDescription)
for id, version := range GetRoomVersions() {
if version.Supported {
versions[id] = version
@ -101,12 +75,46 @@ func GetSupportedRoomVersions() map[RoomVersionID]RoomVersionDescription {
return versions
}
func GetSupportedRoomVersion(version RoomVersionID) (desc RoomVersionDescription, err error) {
// GetRoomVersion returns information about a specific room version.
// An UnknownVersionError is returned if the version is not known
// to the server.
func GetRoomVersion(version gomatrixserverlib.RoomVersion) (RoomVersionDescription, error) {
if version, ok := roomVersions[version]; ok {
desc = version
return version, nil
}
if !desc.Supported {
err = errors.New("unsupported room version")
}
return
return RoomVersionDescription{}, UnknownVersionError{version}
}
// GetSupportedRoomVersion returns information about a specific room
// version. An UnknownVersionError is returned if the version is not
// known to the server, or an UnsupportedVersionError is returned if
// the version is known but specifically marked as unsupported.
func GetSupportedRoomVersion(version gomatrixserverlib.RoomVersion) (RoomVersionDescription, error) {
result, err := GetRoomVersion(version)
if err != nil {
return RoomVersionDescription{}, err
}
if !result.Supported {
return RoomVersionDescription{}, UnsupportedVersionError{version}
}
return result, nil
}
// UnknownVersionError is caused when the room version is not known.
type UnknownVersionError struct {
Version gomatrixserverlib.RoomVersion
}
func (e UnknownVersionError) Error() string {
return fmt.Sprintf("room version '%s' is not known", e.Version)
}
// UnsupportedVersionError is caused when the room version is specifically
// marked as unsupported.
type UnsupportedVersionError struct {
Version gomatrixserverlib.RoomVersion
}
func (e UnsupportedVersionError) Error() string {
return fmt.Sprintf("room version '%s' is marked as unsupported", e.Version)
}