workaround synapse bug that would make broken PLs
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4 changed files with 72 additions and 30 deletions
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@ -95,6 +95,11 @@ async function channelToKState(channel, guild) {
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type: "m.room_membership",
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room_id: spaceID
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}]
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},
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"m.room.power_levels/": {
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events: {
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"m.room.avatar": 0
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}
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}
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}
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@ -114,24 +119,56 @@ async function createRoom(channel, guild, spaceID, kstate) {
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if (channel.type === DiscordTypes.ChannelType.PublicThread) threadParent = channel.parent_id
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const invite = threadParent ? [] : ["@cadence:cadence.moe"] // TODO
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const [convertedName, convertedTopic] = convertNameAndTopic(channel, guild, null)
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const roomID = await api.createRoom({
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name: convertedName,
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topic: convertedTopic,
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preset: "private_chat",
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visibility: "private",
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invite,
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initial_state: ks.kstateToState(kstate)
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const roomID = await postApplyPowerLevels(kstate, async kstate => {
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const [convertedName, convertedTopic] = convertNameAndTopic(channel, guild, null)
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const roomID = await api.createRoom({
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name: convertedName,
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topic: convertedTopic,
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preset: "private_chat",
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visibility: "private",
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invite,
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initial_state: ks.kstateToState(kstate)
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})
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db.prepare("INSERT INTO channel_room (channel_id, room_id, name, nick, thread_parent) VALUES (?, ?, ?, NULL, ?)").run(channel.id, roomID, channel.name, threadParent)
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return roomID
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})
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db.prepare("INSERT INTO channel_room (channel_id, room_id, name, nick, thread_parent) VALUES (?, ?, ?, NULL, ?)").run(channel.id, roomID, channel.name, threadParent)
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// Put the newly created child into the space
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// Put the newly created child into the space, no need to await this
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_syncSpaceMember(channel, spaceID, roomID)
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return roomID
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}
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/**
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* Handling power levels separately. The spec doesn't specify what happens, Dendrite differs,
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* and Synapse does an absolutely insane *shallow merge* of what I provide on top of what it creates.
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* We don't want the `events` key to be overridden completely.
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* https://github.com/matrix-org/synapse/blob/develop/synapse/handlers/room.py#L1170-L1210
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* https://github.com/matrix-org/matrix-spec/issues/492
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* @param {any} kstate
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* @param {(_: any) => Promise<string>} callback must return room ID
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* @returns {Promise<string>} room ID
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*/
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async function postApplyPowerLevels(kstate, callback) {
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const powerLevelContent = kstate["m.room.power_levels/"]
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const kstateWithoutPowerLevels = {...kstate}
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delete kstateWithoutPowerLevels["m.room.power_levels/"]
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/** @type {string} */
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const roomID = await callback(kstateWithoutPowerLevels)
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// Now *really* apply the power level overrides on top of what Synapse *really* set
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if (powerLevelContent) {
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const newRoomKState = await roomToKState(roomID)
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const newRoomPowerLevelsDiff = ks.diffKState(newRoomKState, {"m.room.power_levels/": powerLevelContent})
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await applyKStateDiffToRoom(roomID, newRoomPowerLevelsDiff)
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}
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return roomID
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}
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/**
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* @param {DiscordTypes.APIGuildChannel} channel
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*/
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@ -290,5 +327,6 @@ module.exports.createAllForGuild = createAllForGuild
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module.exports.channelToKState = channelToKState
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module.exports.roomToKState = roomToKState
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module.exports.applyKStateDiffToRoom = applyKStateDiffToRoom
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module.exports.postApplyPowerLevels = postApplyPowerLevels
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module.exports._convertNameAndTopic = convertNameAndTopic
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module.exports._unbridgeRoom = _unbridgeRoom
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@ -21,23 +21,24 @@ const ks = sync.require("../../matrix/kstate")
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async function createSpace(guild, kstate) {
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const name = kstate["m.room.name/"].name
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const topic = kstate["m.room.topic/"]?.topic || undefined
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assert(name)
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const roomID = await api.createRoom({
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name,
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preset: "private_chat", // cannot join space unless invited
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visibility: "private",
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power_level_content_override: {
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events_default: 100, // space can only be managed by bridge
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invite: 0 // any existing member can invite others
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},
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invite: ["@cadence:cadence.moe"], // TODO
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topic,
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creation_content: {
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type: "m.space"
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},
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initial_state: ks.kstateToState(kstate)
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const roomID = await createRoom.postApplyPowerLevels(kstate, async kstate => {
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return api.createRoom({
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name,
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preset: "private_chat", // cannot join space unless invited
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visibility: "private",
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power_level_content_override: {
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events_default: 100, // space can only be managed by bridge
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invite: 0 // any existing member can invite others
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},
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invite: ["@cadence:cadence.moe"], // TODO
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topic,
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creation_content: {
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type: "m.space"
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},
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initial_state: ks.kstateToState(kstate)
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})
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})
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db.prepare("INSERT INTO guild_space (guild_id, space_id) VALUES (?, ?)").run(guild.id, roomID)
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return roomID
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@ -47,10 +47,8 @@ function diffKState(actual, target) {
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if (key === "m.room.power_levels/") {
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// Special handling for power levels, we want to deep merge the actual and target into the final state.
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console.log(actual[key])
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if (!(key in actual)) throw new Error(`want to apply a power levels diff, but original power level data is missing\nstarted with: ${JSON.stringify(actual)}\nwant to apply: ${JSON.stringify(target)}`)
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const temp = mixin({}, actual[key], target[key])
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console.log(actual[key])
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console.log(temp)
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try {
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assert.deepEqual(actual[key], temp)
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} catch (e) {
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@ -27,7 +27,7 @@ module.exports = {
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"m.room.guest_access/": {guest_access: "can_join"},
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"m.room.history_visibility/": {history_visibility: "invited"},
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"m.space.parent/!jjWAGMeQdNrVZSSfvz:cadence.moe": {
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via: ["cadence.moe"], // TODO: put the proper server here
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via: ["cadence.moe"],
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canonical: true
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},
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"m.room.join_rules/": {
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@ -40,6 +40,11 @@ module.exports = {
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"m.room.avatar/": {
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discord_path: "/icons/112760669178241024/a_f83622e09ead74f0c5c527fe241f8f8c.png?size=1024",
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url: "mxc://cadence.moe/zKXGZhmImMHuGQZWJEFKJbsF"
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},
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"m.room.power_levels/": {
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events: {
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"m.room.avatar": 0
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}
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}
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}
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},
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