mirror of
https://github.com/mollersuite/monofile.git
synced 2024-11-21 21:36:26 -08:00
i cant believe it took me this long to realize
This commit is contained in:
parent
b80ddd26e7
commit
1805c631f1
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@ -78,7 +78,7 @@ program.command("upload")
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console.log(`started: ${file}`)
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writable.on("drain", () => {
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console.log("Drained")
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console.log("Drained");
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})
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writable.on("finish", () => {
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@ -95,37 +95,11 @@ program.command("upload")
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writable.on("close", () => {
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console.log("Closed.")
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})
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});
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;(await fs.createReadStream(file)).pipe(
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writable
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)
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})
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program.command("memup")
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.description("Upload a file to the instance (no stream)")
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.argument("<file>", "Path to the file you'd like to upload")
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.option("-id, --fileid <id>", 'Custom file ID to use')
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.action(async (file, options) => {
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await (new Promise<void>(resolve => setTimeout(() => resolve(), 1000)))
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if (!(fs.existsSync(file) && (await stat(file)).isFile()))
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throw `${file} is not a file`
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let buf = fs.readFileSync(file)
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let id = files.uploadFile({
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filename: basename(file),
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mime: "application/octet-stream",
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uploadId: options.fileid
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}, buf)
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console.log(`uploaded: ${await id}`)
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})
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program.parse()
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@ -2,6 +2,7 @@ import { REST } from "./DiscordRequests"
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import type { APIMessage } from "discord-api-types/v10"
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import FormData from "form-data"
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import { Readable } from "node:stream"
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import { Configuration } from "../files"
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const EXPIRE_AFTER = 20 * 60 * 1000
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const DISCORD_EPOCH = 1420070400000
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@ -22,12 +23,14 @@ export class Client {
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private readonly token : string
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private readonly rest : REST
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private readonly targetChannel : string
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private readonly config : Configuration
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private messageCache : Map<string, MessageCacheObject> = new Map()
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constructor(token: string, targetChannel: string) {
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constructor(token: string, config: Configuration) {
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this.token = token
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this.rest = new REST(token)
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this.targetChannel = targetChannel
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this.targetChannel = config.targetChannel
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this.config = config
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}
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async fetchMessage(id: string, cache: boolean = true) {
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@ -70,21 +73,56 @@ export class Client {
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}
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async send(chunks: (Readable|Buffer)[]) {
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// make formdata
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let fd = new FormData()
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chunks.forEach((v,x) => {
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fd.append(`files[${x}]`, v, { filename: Math.random().toString().slice(2) })
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async send(stream: Readable) {
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let bytes_sent = 0
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let file_number = 0
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let boundary = "-".repeat(20) + Math.random().toString().slice(2)
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let pushBoundary = (stream: Readable) =>
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stream.push(`--${boundary}\r\nContent-Disposition: form-data, name="files[${file_number}]"; filename="${Math.random().toString().slice(2)}\r\nContent-Type: application/octet-stream\r\n\r\n"`)
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let boundPush = (stream: Readable, chunk: Buffer) => {
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let position = 0
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while (position < chunk.length) {
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let capture = Math.min(
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this.config.maxDiscordFileSize - (bytes_sent % this.config.maxDiscordFileSize),
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chunk.length
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) + 1
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stream.push( chunk.subarray(position, capture) )
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position += capture, bytes_sent += capture-1
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console.log("Chunk progress:", bytes_sent % this.config.maxDiscordFileSize, "B")
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if (bytes_sent % this.config.maxDiscordFileSize == 0) {
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console.log("Progress is 0. Pushing boundary")
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pushBoundary(stream)
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}
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}
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}
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let transformed = new Readable({
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read(size) {
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let result = stream.read(size)
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if (result) boundPush(this, result)
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}
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})
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pushBoundary(transformed)
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let returned = await this.rest.fetch(`/channels/${this.targetChannel}/messages`, {
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method: "POST",
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body: fd,
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headers: fd.getHeaders()
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body: transformed,
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headers: {
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"Content-Type": `multipart/form-data; boundary=${boundary}`
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}
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})
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let response = (await returned.json() as APIMessage)
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console.log(JSON.stringify(response, null, 4))
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return response
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}
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}
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@ -107,7 +107,7 @@ namespace StreamHelpers {
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readonly targetSize: number
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filled: number = 0
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buffer: UploadStream[] = []
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current?: Readable
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messages: string[] = []
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writable?: Writable
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@ -122,48 +122,40 @@ namespace StreamHelpers {
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this.targetSize = targetSize
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}
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private async startMessage(streamCount: number): Promise<UploadStream[] | undefined> {
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private async startMessage(): Promise<Readable | undefined> {
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console.log(`Starting a message with ${streamCount} stream(s)`)
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if (!this.newmessage_debounce) return
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this.newmessage_debounce = false
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let streams = []
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let sbuf = this
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let stream = new Readable({
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read() {
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console.log("Read called. Emitting drain")
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sbuf.writable!.emit("drain")
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}
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})
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stream.pause()
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console.log(`Starting a message`)
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this.api.send(stream).then(message => {
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this.messages.push(message.id)
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console.log(`Sent: ${message.id}`)
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this.newmessage_debounce = true
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})
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// can't think of a better way to do
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for (let i = 0; i < streamCount; i++) {
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streams.push({
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uploaded: 0,
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stream: new Readable({
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read() {
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console.log('FD is reading stream. Emitting drain...')
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sbuf.writable!.emit("drain");
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}
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})
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})
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}
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let message = await this.api.send(streams.map(e => e.stream));
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this.messages.push(message.id)
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this.newmessage_debounce = true
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return streams
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return stream
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}
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async getNextStream() {
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console.log("Getting next stream...")
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if (this.buffer[0]) return this.buffer[0]
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console.log("Getting stream...")
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if (this.current) return this.current
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else {
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// startmessage.... idk
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await this.startMessage(
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this.messages.length < Math.ceil(this.targetSize/this.files.config.maxDiscordFileSize/10)
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? 10
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: Math.ceil(this.targetSize/this.files.config.maxDiscordFileSize) - this.messages.length*10
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);
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return this.buffer[0]
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this.current = await this.startMessage();
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console.log("current:" + (this.current ? "yes" : "no"))
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return this.current
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}
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}
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@ -179,7 +171,7 @@ export default class Files {
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constructor(config: Configuration) {
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this.config = config
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this.api = new API(process.env.TOKEN!, config.targetChannel)
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this.api = new API(process.env.TOKEN!, config)
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readFile(this.data_directory+ "/files.json")
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.then((buf) => {
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@ -230,39 +222,14 @@ export default class Files {
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let fs_obj = this
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let wt = new Writable({
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async write(data: Buffer) {
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write(data: Buffer, encoding, callback) {
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console.log("Write to stream attempted")
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let positionInBuf = 0
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while (positionInBuf < data.byteLength) {
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let ns = (await buf.getNextStream().catch(e => {
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return e
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})) as Error | undefined | StreamHelpers.UploadStream
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if (!ns || ns instanceof Error) {
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this.destroy(ns)
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return
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}
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let bytesToPush = Math.min(
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data.byteLength,
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fs_obj.config.maxDiscordFileSize-ns.uploaded
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)
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ns.stream.push(data.subarray(positionInBuf, positionInBuf + bytesToPush))
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ns.uploaded += bytesToPush
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buf.filled += bytesToPush
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positionInBuf += bytesToPush
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if (ns.uploaded == fs_obj.config.maxDiscordFileSize)
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buf.buffer.splice(0, 1)[0]?.stream.push(null)
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if (buf.filled == buf.targetSize) {
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this.destroy()
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return
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}
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}
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return false
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}
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buf.getNextStream().then(ns => {
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if (ns) {ns.push(data); callback()} else this.end();
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console.log(`pushed... ${ns ? "ns exists" : "ns doesn't exist"}... ${data.byteLength} byte chunk`);
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return
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})
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},
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})
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buf.writable = wt;
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@ -271,137 +238,6 @@ export default class Files {
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}
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/**
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* @description Uploads a new file
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* @param metadata Settings for your new upload
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* @param buffer Buffer containing file content
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* @returns Promise which resolves to the ID of the new file
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*/
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async uploadFile(
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metadata: FileUploadSettings,
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buffer: Buffer
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): Promise<string | StatusCodeError> {
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if (!metadata.filename || !metadata.mime)
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throw { status: 400, message: "missing filename/mime" }
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let uploadId = (metadata.uploadId || generateFileId()).toString()
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if (
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(uploadId.match(id_check_regex) || [])[0] != uploadId ||
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uploadId.length > this.config.maxUploadIdLength
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)
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throw { status: 400, message: "invalid id" }
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if (
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this.files[uploadId] &&
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(metadata.owner
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? this.files[uploadId].owner != metadata.owner
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: true)
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)
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throw {
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status: 400,
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message: "you are not the owner of this file id",
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}
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if (this.files[uploadId] && this.files[uploadId].reserved)
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throw {
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status: 400,
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message:
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"already uploading this file. if your file is stuck in this state, contact an administrator",
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}
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if (metadata.filename.length > 128)
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throw { status: 400, message: "name too long" }
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if (metadata.mime.length > 128)
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throw { status: 400, message: "mime too long" }
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// reserve file, hopefully should prevent
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// large files breaking
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let existingFile = this.files[uploadId]
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// save
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if (metadata.owner) {
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await files.index(metadata.owner, uploadId)
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}
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// get buffer
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if (
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buffer.byteLength >=
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this.config.maxDiscordFileSize * this.config.maxDiscordFiles
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)
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throw { status: 400, message: "file too large" }
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// generate buffers to upload
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let toUpload = []
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for (
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let i = 0;
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i < Math.ceil(buffer.byteLength / this.config.maxDiscordFileSize);
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i++
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) {
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toUpload.push(
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buffer.subarray(
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i * this.config.maxDiscordFileSize,
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Math.min(
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buffer.byteLength,
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(i + 1) * this.config.maxDiscordFileSize
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)
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)
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)
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}
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// begin uploading
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let uploadGroups = []
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for (let i = 0; i < Math.ceil(toUpload.length / 10); i++) {
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uploadGroups.push(toUpload.slice(i * 10, (i + 1) * 10))
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}
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let msgIds = []
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for (const uploadGroup of uploadGroups) {
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let message = await this.api.send(uploadGroup)
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if (message) {
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msgIds.push(message.id)
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} else {
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if (!existingFile) delete this.files[uploadId]
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else this.files[uploadId] = existingFile
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throw { status: 500, message: "please try again" }
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}
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}
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if (existingFile) this.api.deleteMessages(existingFile.messageids)
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const { filename, mime, owner } = metadata
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this.files[uploadId] = {
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filename,
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messageids: msgIds,
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mime,
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owner,
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sizeInBytes: buffer.byteLength,
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visibility: existingFile
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? existingFile.visibility
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: metadata.owner
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? Accounts.getFromId(metadata.owner)?.defaultFileVisibility
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: undefined,
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// so that json.stringify doesnt include tag:undefined
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...((existingFile || {}).tag ? { tag: existingFile.tag } : {}),
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chunkSize: this.config.maxDiscordFileSize,
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}
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return this.write().then(_ => uploadId).catch(_ => {
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delete this.files[uploadId]
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throw { status: 500, message: "failed to save database" }
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})
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}
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// fs
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/**
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