cadence/out-of-your-element
cadence
/
out-of-your-element
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m->d rich replies

This commit is contained in:
Cadence Ember 2023-08-26 20:30:22 +12:00
parent 39fb4465f6
commit 0ea2b4efc9
4 changed files with 231 additions and 33 deletions
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6
db/data-for-test.sql
View File

@ -67,7 +67,8 @@ INSERT INTO sim (discord_id, sim_name, localpart, mxid) VALUES
('820865262526005258', 'crunch_god', '_ooye_crunch_god', '@_ooye_crunch_god:cadence.moe'),
('771520384671416320', 'bojack_horseman', '_ooye_bojack_horseman', '@_ooye_bojack_horseman:cadence.moe'),
('112890272819507200', '.wing.', '_ooye_.wing.', '@_ooye_.wing.:cadence.moe'),
('114147806469554185', 'extremity', '_ooye_extremity', '@_ooye_extremity:cadence.moe');
('114147806469554185', 'extremity', '_ooye_extremity', '@_ooye_extremity:cadence.moe'),
('111604486476181504', 'kyuugryphon', '_ooye_kyuugryphon', '@_ooye_kyuugryphon:cadence.moe');;
INSERT INTO sim_member (mxid, room_id, profile_event_content_hash) VALUES
('@_ooye_bojack_horseman:cadence.moe', '!uCtjHhfGlYbVnPVlkG:cadence.moe', NULL);
@ -86,7 +87,8 @@ INSERT INTO event_message (event_id, event_type, event_subtype, message_id, chan
('$FchUVylsOfmmbj-VwEs5Z9kY49_dt2zd0vWfylzy5Yo', 'm.room.message', 'm.text', '1143121514925928541', '1100319550446252084', 0, 1),
('$lnAF9IosAECTnlv9p2e18FG8rHn-JgYKHEHIh5qdFv4', 'm.room.message', 'm.text', '1106366167788044450', '122155380120748034', 0, 1),
('$Ijf1MFCD39ktrNHxrA-i2aKoRWNYdAV2ZXYQeiZIgEU', 'm.room.message', 'm.image', '1106366167788044450', '122155380120748034', 0, 0),
('$f9cjKiacXI9qPF_nUAckzbiKnJEi0LM399kOkhdd8f8', 'm.sticker', NULL, '1106366167788044450', '122155380120748034', 0, 0);
('$f9cjKiacXI9qPF_nUAckzbiKnJEi0LM399kOkhdd8f8', 'm.sticker', NULL, '1106366167788044450', '122155380120748034', 0, 0),
('$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04', 'm.room.message', 'm.text', '1144865310588014633', '687028734322147344', 0, 1);
INSERT INTO file (discord_url, mxc_url) VALUES
('https://cdn.discordapp.com/attachments/497161332244742154/1124628646431297546/image.png', 'mxc://cadence.moe/qXoZktDqNtEGuOCZEADAMvhM'),

8
m2d/actions/send-event.js
View File

@ -9,6 +9,8 @@ const {sync, discord, db} = passthrough
const channelWebhook = sync.require("./channel-webhook")
/** @type {import("../converters/event-to-message")} */
const eventToMessage = sync.require("../converters/event-to-message")
/** @type {import("../../matrix/api")}) */
const api = sync.require("../../matrix/api")
/** @param {import("../../types").Event.Outer<any>} event */
async function sendEvent(event) {
@ -20,10 +22,14 @@ async function sendEvent(event) {
threadID = channelID
channelID = row.thread_parent // it's the thread's parent... get with the times...
}
// @ts-ignore
const guildID = discord.channels.get(channelID).guild_id
const guild = discord.guilds.get(guildID)
assert(guild)
// no need to sync the matrix member to the other side. but if I did need to, this is where I'd do it
const messages = eventToMessage.eventToMessage(event)
const messages = await eventToMessage.eventToMessage(event, guild, {api})
assert(Array.isArray(messages)) // sanity
/** @type {DiscordTypes.APIMessage[]} */

37
m2d/converters/event-to-message.js
View File

@ -26,6 +26,8 @@ const turndownService = new TurndownService({
codeBlockStyle: "fenced"
})
turndownService.remove("mx-reply")
turndownService.addRule("strikethrough", {
filter: ["del", "s", "strike"],
replacement: function (content) {
@ -69,13 +71,16 @@ turndownService.addRule("fencedCodeBlock", {
/**
* @param {Ty.Event.Outer<Ty.Event.M_Room_Message>} event
* @param {import("discord-api-types/v10").APIGuild} guild
* @param {{api: import("../../matrix/api")}} di simple-as-nails dependency injection for the matrix API
*/
function eventToMessage(event) {
async function eventToMessage(event, guild, di) {
/** @type {(DiscordTypes.RESTPostAPIWebhookWithTokenJSONBody & {files?: {name: string, file: Buffer}[]})[]} */
let messages = []
let displayName = event.sender
let avatarURL = undefined
let replyLine = ""
const match = event.sender.match(/^@(.*?):/)
if (match) {
displayName = match[1]
@ -95,7 +100,33 @@ function eventToMessage(event) {
// input = input.replace(/ /g, "&nbsp;")
// There is also a corresponding test to uncomment, named "event2message: whitespace is retained"
// Element adds a bunch of <br> before </blockquote> but doesn't render them. I can't figure out how this works, so let's just delete those.
// Handling replies. We'll look up the data of the replied-to event from the Matrix homeserver.
await (async () => {
const repliedToEventId = event.content["m.relates_to"]?.["m.in_reply_to"].event_id
if (!repliedToEventId) return
const repliedToEvent = await di.api.getEvent(event.room_id, repliedToEventId)
if (!repliedToEvent) return
const row = db.prepare("SELECT channel_id, message_id FROM event_message WHERE event_id = ? ORDER BY part").get(repliedToEventId)
if (row) {
replyLine = `<:L1:1144820033948762203><:L2:1144820084079087647>https://discord.com/channels/${guild.id}/${row.channel_id}/${row.message_id} `
} else {
replyLine = `<:L1:1144820033948762203><:L2:1144820084079087647>`
}
const sender = repliedToEvent.sender
const senderName = sender.match(/@([^:]*)/)?.[1] || sender
const authorID = db.prepare("SELECT discord_id FROM sim WHERE mxid = ?").pluck().get(repliedToEvent.sender)
if (authorID) {
replyLine += `<@${authorID}>: `
} else {
replyLine += `Ⓜ️**${senderName}**: `
}
const repliedToContent = repliedToEvent.content.formatted_body || repliedToEvent.content.body
const contentPreviewChunks = chunk(repliedToContent.replace(/.*<\/mx-reply>/, "").replace(/(?:\n|<br>)+/g, " ").replace(/<[^>]+>/g, ""), 24)
const contentPreview = contentPreviewChunks.length > 1 ? contentPreviewChunks[0] + "..." : contentPreviewChunks[0]
replyLine += contentPreview + "\n"
})()
// Element adds a bunch of <br> before </blockquote> but doesn't render them. I can't figure out how this even works in the browser, so let's just delete those.
input = input.replace(/(?:\n|<br ?\/?>\s*)*<\/blockquote>/g, "</blockquote>")
// The matrix spec hasn't decided whether \n counts as a newline or not, but I'm going to count it, because if it's in the data it's there for a reason.
@ -127,6 +158,8 @@ function eventToMessage(event) {
content = content.replace(/([*_~`#])/g, `\\$1`)
}
content = replyLine + content
// Split into 2000 character chunks
const chunks = chunk(content, 2000)
messages = messages.concat(chunks.map(content => ({

213
m2d/converters/event-to-message.test.js
View File

@ -1,18 +1,42 @@
// @ts-check
const {test} = require("supertape")
const {eventToMessage} = require("./event-to-message")
const data = require("../../test/data")
/**
* @param {string} roomID
* @param {string} eventID
* @returns {(roomID: string, eventID: string) => Promise<Ty.Event.Outer<Ty.Event.M_Room_Message>>}
*/
function mockGetEvent(t, roomID_in, eventID_in, outer) {
return async function(roomID, eventID) {
t.equal(roomID, roomID_in)
t.equal(eventID, eventID_in)
return new Promise(resolve => {
setTimeout(() => {
resolve({
event_id: eventID_in,
room_id: roomID_in,
origin_server_ts: 1680000000000,
unsigned: {
age: 2245,
transaction_id: "$local.whatever"
},
...outer
})
})
})
}
}
function sameFirstContentAndWhitespace(t, a, b) {
const a2 = JSON.stringify(a[0].content)
const b2 = JSON.stringify(b[0].content)
t.equal(a2, b2)
}
test("event2message: body is used when there is no formatted_body", t => {
test("event2message: body is used when there is no formatted_body", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
body: "testing plaintext",
msgtype: "m.text"
@ -34,9 +58,9 @@ test("event2message: body is used when there is no formatted_body", t => {
)
})
test("event2message: any markdown in body is escaped", t => {
test("event2message: any markdown in body is escaped", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
body: "testing **special** ~~things~~ which _should_ *not* `trigger` @any <effects>",
msgtype: "m.text"
@ -58,9 +82,9 @@ test("event2message: any markdown in body is escaped", t => {
)
})
test("event2message: basic html is converted to markdown", t => {
test("event2message: basic html is converted to markdown", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -84,9 +108,9 @@ test("event2message: basic html is converted to markdown", t => {
)
})
test("event2message: markdown syntax is escaped", t => {
test("event2message: markdown syntax is escaped", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -110,9 +134,9 @@ test("event2message: markdown syntax is escaped", t => {
)
})
test("event2message: html lines are bridged correctly", t => {
test("event2message: html lines are bridged correctly", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -136,9 +160,9 @@ test("event2message: html lines are bridged correctly", t => {
)
})
/*test("event2message: whitespace is retained", t => {
/*test("event2message: whitespace is retained", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -162,10 +186,10 @@ test("event2message: html lines are bridged correctly", t => {
)
})*/
test("event2message: whitespace is collapsed", t => {
test("event2message: whitespace is collapsed", async t => {
sameFirstContentAndWhitespace(
t,
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -189,10 +213,10 @@ test("event2message: whitespace is collapsed", t => {
)
})
test("event2message: lists are bridged correctly", t => {
test("event2message: lists are bridged correctly", async t => {
sameFirstContentAndWhitespace(
t,
eventToMessage({
await eventToMessage({
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
@ -217,9 +241,9 @@ test("event2message: lists are bridged correctly", t => {
)
})
test("event2message: long messages are split", t => {
test("event2message: long messages are split", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
body: ("a".repeat(130) + " ").repeat(19),
msgtype: "m.text"
@ -245,9 +269,9 @@ test("event2message: long messages are split", t => {
)
})
test("event2message: code blocks work", t => {
test("event2message: code blocks work", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -271,9 +295,9 @@ test("event2message: code blocks work", t => {
)
})
test("event2message: code block contents are formatted correctly and not escaped", t => {
test("event2message: code block contents are formatted correctly and not escaped", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
@ -298,9 +322,9 @@ test("event2message: code block contents are formatted correctly and not escaped
)
})
test("event2message: quotes have an appropriate amount of whitespace", t => {
test("event2message: quotes have an appropriate amount of whitespace", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.text",
body: "wrong body",
@ -324,9 +348,9 @@ test("event2message: quotes have an appropriate amount of whitespace", t => {
)
})
test("event2message: m.emote markdown syntax is escaped", t => {
test("event2message: m.emote markdown syntax is escaped", async t => {
t.deepEqual(
eventToMessage({
await eventToMessage({
content: {
msgtype: "m.emote",
body: "wrong body",
@ -349,3 +373,136 @@ test("event2message: m.emote markdown syntax is escaped", t => {
}]
)
})
test("event2message: rich reply to a sim user", async t => {
t.deepEqual(
await eventToMessage({
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
"msgtype": "m.text",
"body": "> <@_ooye_kyuugryphon:cadence.moe> Slow news day.\n\nTesting this reply, ignore",
"format": "org.matrix.custom.html",
"formatted_body": "<mx-reply><blockquote><a href=\"https://matrix.to/#/!fGgIymcYWOqjbSRUdV:cadence.moe/$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04?via=cadence.moe&via=feather.onl\">In reply to</a> <a href=\"https://matrix.to/#/@_ooye_kyuugryphon:cadence.moe\">@_ooye_kyuugryphon:cadence.moe</a><br>Slow news day.</blockquote></mx-reply>Testing this reply, ignore",
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04"
}
}
},
"origin_server_ts": 1693029683016,
"unsigned": {
"age": 91,
"transaction_id": "m1693029682894.510"
},
"event_id": "$v_Gtr-bzv9IVlSLBO5DstzwmiDd-GSFaNfHX66IupV8",
"room_id": "!fGgIymcYWOqjbSRUdV:cadence.moe"
}, data.guild.general, {
api: {
getEvent: mockGetEvent(t, "!fGgIymcYWOqjbSRUdV:cadence.moe", "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04", {
type: "m.room.message",
content: {
msgtype: "m.text",
body: "Slow news day."
},
sender: "@_ooye_kyuugryphon:cadence.moe"
})
}
}),
[{
username: "cadence",
content: "<:L1:1144820033948762203><:L2:1144820084079087647>https://discord.com/channels/112760669178241024/687028734322147344/1144865310588014633 <@111604486476181504>: Slow news day.\nTesting this reply, ignore",
avatar_url: undefined
}]
)
})
test("event2message: rich reply to a matrix user's long message with formatting", async t => {
t.deepEqual(
await eventToMessage({
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
"msgtype": "m.text",
"body": "> <@cadence:cadence.moe> ```\n> i should have a little happy test\n> ```\n> * list **bold** _em_ ~~strike~~\n> # heading 1\n> ## heading 2\n> ### heading 3\n> https://cadence.moe\n> [legit website](https://cadence.moe)\n\nno you can't!!!",
"format": "org.matrix.custom.html",
"formatted_body": "<mx-reply><blockquote><a href=\"https://matrix.to/#/!fGgIymcYWOqjbSRUdV:cadence.moe/$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04?via=cadence.moe&via=feather.onl\">In reply to</a> <a href=\"https://matrix.to/#/@cadence:cadence.moe\">@cadence:cadence.moe</a><br><pre><code>i should have a little happy test\n</code></pre>\n<ul>\n<li>list <strong>bold</strong> <em>em</em> ~~strike~~</li>\n</ul>\n<h1>heading 1</h1>\n<h2>heading 2</h2>\n<h3>heading 3</h3>\n<p>https://cadence.moe<br /><a href=\"https://cadence.moe\">legit website</a></p>\n</blockquote></mx-reply><strong>no you can't!!!</strong>",
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04"
}
}
},
"origin_server_ts": 1693037401693,
"unsigned": {
"age": 381,
"transaction_id": "m1693037401592.521"
},
"event_id": "$v_Gtr-bzv9IVlSLBO5DstzwmiDd-GSFaNfHX66IupV8",
"room_id": "!fGgIymcYWOqjbSRUdV:cadence.moe"
}, data.guild.general, {
api: {
getEvent: mockGetEvent(t, "!fGgIymcYWOqjbSRUdV:cadence.moe", "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04", {
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
"msgtype": "m.text",
"body": "```\ni should have a little happy test\n```\n* list **bold** _em_ ~~strike~~\n# heading 1\n## heading 2\n### heading 3\nhttps://cadence.moe\n[legit website](https://cadence.moe)",
"format": "org.matrix.custom.html",
"formatted_body": "<pre><code>i should have a little happy test\n</code></pre>\n<ul>\n<li>list <strong>bold</strong> <em>em</em> ~~strike~~</li>\n</ul>\n<h1>heading 1</h1>\n<h2>heading 2</h2>\n<h3>heading 3</h3>\n<p>https://cadence.moe<br><a href=\"https://cadence.moe\">legit website</a></p>\n"
}
})
}
}),
[{
username: "cadence",
content: "<:L1:1144820033948762203><:L2:1144820084079087647>https://discord.com/channels/112760669178241024/687028734322147344/1144865310588014633 Ⓜ️**cadence**: i should have a little...\n**no you can't!!!**",
avatar_url: undefined
}]
)
})
test("event2message: with layered rich replies, the preview should only be the real text", async t => {
t.deepEqual(
await eventToMessage({
type: "m.room.message",
sender: "@cadence:cadence.moe",
content: {
msgtype: "m.text",
body: "> <@cadence:cadence.moe> two\n\nthree",
format: "org.matrix.custom.html",
formatted_body: "<mx-reply><blockquote><a href=\"https://matrix.to/#/!PnyBKvUBOhjuCucEfk:cadence.moe/$f-noT-d-Eo_Xgpc05Ww89ErUXku4NwKWYGHLzWKo1kU?via=cadence.moe\">In reply to</a> <a href=\"https://matrix.to/#/@cadence:cadence.moe\">@cadence:cadence.moe</a><br>two</blockquote></mx-reply>three",
"m.relates_to": {
"m.in_reply_to": {
event_id: "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04"
}
}
},
event_id: "$v_Gtr-bzv9IVlSLBO5DstzwmiDd-GSFaNfHX66IupV8",
room_id: "!fGgIymcYWOqjbSRUdV:cadence.moe"
}, data.guild.general, {
api: {
getEvent: mockGetEvent(t, "!fGgIymcYWOqjbSRUdV:cadence.moe", "$Fxy8SMoJuTduwReVkHZ1uHif9EuvNx36Hg79cltiA04", {
"type": "m.room.message",
"sender": "@cadence:cadence.moe",
"content": {
"msgtype": "m.text",
"body": "> <@cadence:cadence.moe> one\n\ntwo",
"format": "org.matrix.custom.html",
"formatted_body": "<mx-reply><blockquote><a href=\"https://matrix.to/#/!PnyBKvUBOhjuCucEfk:cadence.moe/$5UtboIC30EFlAYD_Oh0pSYVW8JqOp6GsDIJZHtT0Wls?via=cadence.moe\">In reply to</a> <a href=\"https://matrix.to/#/@cadence:cadence.moe\">@cadence:cadence.moe</a><br>one</blockquote></mx-reply>two",
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$5UtboIC30EFlAYD_Oh0pSYVW8JqOp6GsDIJZHtT0Wls"
}
}
}
})
}
}),
[{
username: "cadence",
content: "<:L1:1144820033948762203><:L2:1144820084079087647>https://discord.com/channels/112760669178241024/687028734322147344/1144865310588014633 Ⓜ️**cadence**: two\nthree",
avatar_url: undefined
}]
)
})