401 lines
12 KiB
TypeScript
Executable File
401 lines
12 KiB
TypeScript
Executable File
// first we import a few needed things again
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import {
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PuppetBridge,
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IRemoteUser,
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IReceiveParams,
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IRemoteRoom,
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IMessageEvent,
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IFileEvent,
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MessageDeduplicator,
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Log,
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ISendingUser,
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} from "mx-puppet-bridge";
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import { VK, MessageContext, Context, AttachmentType } from "vk-io";
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import { userInfo } from "os";
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import { runInThisContext } from "vm";
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import { lookup } from "dns";
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// here we create our log instance
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const log = new Log("VKPuppet:vk");
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// this interface is to hold all data on a single puppet
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interface IEchoPuppet {
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// this is usually a client class that connects to the remote protocol
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// as we just echo back, unneeded in our case
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client: VK;
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data: any; // and let's keep a copy of the data associated with a puppet
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}
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// we can hold multiple puppets at once...
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interface IEchoPuppets {
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[puppetId: number]: IEchoPuppet;
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}
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export class VkPuppet {
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private puppets: IEchoPuppets = {};
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constructor(
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private puppet: PuppetBridge,
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) { }
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public async getSendParams(puppetId: number, peerId: number, senderId: number, eventId?: string | undefined):
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Promise<IReceiveParams> {
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// we will use this function internally to create the send parameters
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// needed to send a message, a file, reactions, ... to matrix
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log.info(`Creating send params for ${peerId}...`);
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return {
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room: await this.getRemoteRoom(puppetId, peerId),
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user: await this.getRemoteUser(puppetId, senderId),
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eventId,
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};
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}
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public async getRemoteUser(puppetId: number, userId: number): Promise<IRemoteUser> {
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const p = this.puppets[puppetId];
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log.info("User id:", userId, userId.toString());
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if (userId < 0) {
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const info = await p.client.api.groups.getById({ group_id: Math.abs(userId).toString() });
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const response: IRemoteUser = {
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puppetId,
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userId: userId.toString(),
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name: info[0].name,
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avatarUrl: info[0].photo_200,
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};
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return response;
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} else {
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const info = await p.client.api.users.get({ user_ids: userId.toString(), fields: ["photo_max"] });
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const response: IRemoteUser = {
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puppetId,
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userId: userId.toString(),
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name: `${info[0].first_name} ${info[0].last_name}`,
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avatarUrl: info[0].photo_max,
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};
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return response;
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}
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}
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public async getRemoteRoom(puppetId: number, peerId: number): Promise<IRemoteRoom> {
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const p = this.puppets[puppetId];
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const info = await p.client.api.messages.getConversationsById({ peer_ids: peerId, fields: ["photo_max"] });
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log.info(info.items[0]);
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let response: IRemoteRoom;
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switch (info.items[0].peer.type) {
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case "user":
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const userInfo = await p.client.api.users.get({ user_ids: info.items[0].peer.id, fields: ["photo_max"] });
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response = {
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puppetId,
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roomId: peerId.toString(),
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name: `${userInfo[0].first_name} ${userInfo[0].last_name}`,
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avatarUrl: userInfo[0].photo_max,
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isDirect: true,
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};
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break;
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case "chat":
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response = {
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puppetId,
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roomId: peerId.toString(),
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name: info.items[0].chat_settings.title,
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avatarUrl: info.items[0].chat_settings.photo.photo_200,
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};
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break;
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default:
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response = {
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puppetId,
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roomId: peerId.toString(),
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name: peerId.toString(),
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// avatarUrl: info.items['chat_settings']['photo_200'],
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};
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break;
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}
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return response;
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}
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public async newPuppet(puppetId: number, data: any) {
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// this is called when we need to create a new puppet
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// the puppetId is the ID associated with that puppet and the data its data
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if (this.puppets[puppetId]) {
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// the puppet somehow already exists, delete it first
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await this.deletePuppet(puppetId);
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}
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// usually we create a client class of some sorts to the remote protocol
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// and listen to incoming messages from it
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const client = new VK({ token: data.token, apiLimit: 20 });
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log.info("Trying to init listener with", data.token);
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client.updates.on("message", async (context) => {
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try {
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log.info("Recieved something!");
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await this.handleVkMessage(puppetId, context);
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} catch (err) {
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log.error("Error handling vk message event", err.error || err.body || err);
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}
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});
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client.updates.on("message_typing_state", async (context) => {
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if (context.isUser) {
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const params = await this.getSendParams(puppetId, context.fromId, context.fromId);
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await this.puppet.setUserTyping(params, context.isTyping);
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} else {
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const params = await this.getSendParams(puppetId, 2000000000 + (context?.chatId ?? 0), context.fromId);
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await this.puppet.setUserTyping(params, context.isTyping);
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}
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});
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data.id = Number((await client.api.groups.getById({}))[0].id) * -1;
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this.puppets[puppetId] = {
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client,
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data,
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};
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await client.updates.start();
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}
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public async deletePuppet(puppetId: number) {
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// this is called when we need to delte a puppet
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const p = this.puppets[puppetId];
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if (!p) {
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// puppet doesn't exist, nothing to do
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return;
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}
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await p.client.updates.stop();
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delete this.puppets[puppetId]; // and finally delete our local copy
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}
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//////////////////////////
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// Matrix -> VK section //
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//////////////////////////
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public async handleMatrixMessage(room: IRemoteRoom, data: IMessageEvent, event: any) {
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// this is called every time we receive a message from matrix and need to
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// forward it to the remote protocol.
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// first we check if the puppet exists
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const p = this.puppets[room.puppetId];
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if (!p) {
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return;
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}
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// usually you'd send it here to the remote protocol via the client object
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try {
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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message: data.body,
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random_id: new Date().getTime(),
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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}
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public async handleMatrixReply(
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room: IRemoteRoom,
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eventId: string,
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data: IMessageEvent,
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event: any,
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) {
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const p = this.puppets[room.puppetId];
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if (!p) {
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return;
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}
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try {
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log.info("Sending reply", Number(eventId));
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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message: data.body,
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random_id: new Date().getTime(),
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reply_to: Number(eventId),
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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}
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public async handleMatrixImage(
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room: IRemoteRoom,
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data: IFileEvent,
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asUser: ISendingUser | null,
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event: any,
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) {
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const p = this.puppets[room.puppetId];
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if (!p) {
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return;
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}
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const MAXFILESIZE = 50000000;
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const size = data.info ? data.info.size || 0 : 0;
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if (size < MAXFILESIZE) {
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try {
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log.info("Sending image...");
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const attachment = await p.client.upload.messagePhoto({
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peer_id: Number(room.roomId),
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source: {
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value: data.url,
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},
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});
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log.info("Image sent", attachment);
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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random_id: new Date().getTime(),
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attachment: [`photo${attachment.ownerId}_${attachment.id}`],
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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} else {
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try {
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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message: `File ${data.filename} was sent, but it is too big for VK. You may download it there:\n${data.url}`,
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random_id: new Date().getTime(),
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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}
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}
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public async handleMatrixFile(
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room: IRemoteRoom,
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data: IFileEvent,
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asUser: ISendingUser | null,
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event: any,
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) {
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const p = this.puppets[room.puppetId];
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if (!p) {
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return;
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}
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const MAXFILESIZE = 50000000;
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const size = data.info ? data.info.size || 0 : 0;
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if (size < MAXFILESIZE) {
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try {
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log.info("Sending file...");
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const attachment = await p.client.upload.messageDocument({
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peer_id: Number(room.roomId),
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source: {
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value: data.url,
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filename: data.filename,
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},
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});
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log.info("File sent", attachment);
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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random_id: new Date().getTime(),
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attachment: [`doc${attachment.ownerId}_${attachment.id}`],
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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try {
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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message: `File ${data.filename} was sent, but VK refused to recieve it. You may download it there:\n${data.url}`,
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random_id: new Date().getTime(),
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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}
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} else {
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try {
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const response = await p.client.api.messages.send({
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peer_id: Number(room.roomId),
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message: `File ${data.filename} was sent, but it is too big for VK. You may download it there:\n${data.url}`,
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random_id: new Date().getTime(),
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});
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await this.puppet.eventSync.insert(room, data.eventId!, response.toString());
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} catch (err) {
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log.error("Error sending to vk", err.error || err.body || err);
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}
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}
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}
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public async createRoom(room: IRemoteRoom): Promise<IRemoteRoom | null> {
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const p = this.puppets[room.puppetId];
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if (!p) {
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return null;
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}
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log.info(`Received create request for channel update puppetId=${room.puppetId} roomId=${room.roomId}`);
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return await this.getRemoteRoom(room.puppetId, Number(room.roomId));
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}
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//////////////////////////
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// VK -> Matrix section //
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//////////////////////////
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public async handleVkMessage(puppetId: number, context: MessageContext) {
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const p = this.puppets[puppetId];
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if (!p) {
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return;
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}
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log.info("Received new message!", context);
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if (context.isOutbox) {
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return; // Deduping
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}
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const params = await this.getSendParams(puppetId, context.peerId, context.senderId, context.id.toString());
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if (context.hasText) {
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if (context.hasReplyMessage) {
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if (this.puppet.eventSync.getMatrix(params.room, context.replyMessage!.id.toString())) {
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const opts: IMessageEvent = {
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body: context.text || "Attachment",
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};
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// We got referenced message in room, using matrix reply
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await this.puppet.sendReply(params, context.replyMessage!.id.toString(), opts);
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} else {
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// Using a fallback
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const opts: IMessageEvent = {
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body: await this.prependReply(
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puppetId, context.text || "",
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context.replyMessage?.text || "",
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context.senderId.toString(),
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),
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};
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await this.puppet.sendMessage(params, opts);
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}
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} else {
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const opts: IMessageEvent = {
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body: context.text || "Attachment",
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};
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await this.puppet.sendMessage(params, opts);
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}
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}
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if (context.hasAttachments()) {
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for (const f of context.attachments) {
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if (f.type === AttachmentType.PHOTO) {
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log.info(f);
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try {
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// tslint:disable-next-line: no-string-literal
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await this.puppet.sendFileDetect(params, f["largeSizeUrl"]);
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} catch (err) {
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const opts: IMessageEvent = {
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body: `Image was sent: ${f["largeSizeUrl"]}`,
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};
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await this.puppet.sendMessage(params, opts);
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}
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}
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}
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}
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}
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////////////////
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// Formatters //
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////////////////
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public async prependReply(puppetId: number, body: string, reply: string, userid: string) {
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const user = await this.getRemoteUser(puppetId, Number(userid));
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const replySplitted = reply.split("\n");
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let formatted: string = `> <${user.name}>\n`;
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replySplitted.forEach((element) => {
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formatted += `> ${element}`;
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});
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formatted += `\n\n${body}`;
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return formatted;
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}
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}
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