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almost works

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split / May 2024-03-02 01:01:12 -08:00
parent 0a78c197a4
commit daca021522
4 changed files with 85 additions and 42 deletions
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18
src/server/cli.ts
View file

@ -50,7 +50,15 @@ program.command("download")
if (fs.existsSync(out) && (await stat(out)).isDirectory())
out = `${out.replace(/\/+$/, "")}/${fp.filename}`
;(await files.readFileStream(id)).pipe(
let filestream = await files.readFileStream(id)
let prog=0
filestream.on("data", dt => {
prog+=dt.byteLength
console.log(`Downloading ${fp.filename}: ${Math.floor(prog/(fp.sizeInBytes??0)*10000)/100}% (${Math.floor(prog/(1024*1024))}MiB/${Math.floor((fp.sizeInBytes??0)/(1024*1024))}MiB)`)
})
filestream.pipe(
fs.createWriteStream(out)
)
})
@ -71,9 +79,10 @@ program.command("upload")
let writable = files.createWriteStream()
writable
.setName(file)
.setName(basename(file))
?.setType("application/octet-stream")
?.setUploadId(options.fileId)
if (options.id) writable.setUploadId(options.id)
if (!(writable instanceof Writable))
throw JSON.stringify(writable, null, 3)
@ -84,8 +93,9 @@ program.command("upload")
console.log("Drained");
})
writable.on("finish", () => {
writable.on("finish", async () => {
console.log("Finished!")
console.log(`ID: ${await writable.commit()}`)
})
writable.on("pipe", () => {

31
src/server/lib/DiscordAPI/index.ts
View file

@ -1,7 +1,7 @@
import { REST } from "./DiscordRequests.js"
import type { APIMessage } from "discord-api-types/v10"
import FormData from "form-data"
import { Readable } from "node:stream"
import { Transform, type Readable } from "node:stream"
import { Configuration } from "../files.js"
const EXPIRE_AFTER = 20 * 60 * 1000
@ -84,7 +84,13 @@ export class Client {
let boundPush = (stream: Readable, chunk: Buffer) => {
let position = 0
console.log(`Chunk length ${chunk.byteLength}`)
while (position < chunk.byteLength) {
if ((bytes_sent % this.config.maxDiscordFileSize) == 0) {
console.log("Progress is 0. Pushing boundary")
pushBoundary(stream)
}
let capture = Math.min(
this.config.maxDiscordFileSize - (bytes_sent % this.config.maxDiscordFileSize) + 1,
chunk.byteLength
@ -94,29 +100,24 @@ export class Client {
position += capture, bytes_sent += capture
console.log("Chunk progress:", bytes_sent % this.config.maxDiscordFileSize, "B")
if ((bytes_sent % this.config.maxDiscordFileSize) == 0) {
console.log("Progress is 0. Pushing boundary")
pushBoundary(stream)
}
}
}
let transformed = new Readable({
read() {
let result = stream.read()
if (result) boundPush(this, result)
if (result === null) {
console.log("Ending")
let transformed = new Transform({
transform(chunk, encoding, callback) {
boundPush(this, chunk)
callback()
},
flush(callback) {
this.push(`\n--${boundary}--`)
this.push(null)
}
callback()
}
})
pushBoundary(transformed)
//pushBoundary(transformed)
stream.pipe(transformed)
let returned = await this.rest.fetch(`/channels/${this.targetChannel}/messages`, {
method: "POST",

77
src/server/lib/files.ts
View file

@ -4,7 +4,7 @@ import crypto from "node:crypto"
import { files } from "./accounts.js"
import { Client as API } from "./DiscordAPI/index.js"
import type {APIAttachment} from "discord-api-types/v10"
import "dotenv"
import "dotenv/config"
import * as Accounts from "./accounts.js"
@ -127,29 +127,46 @@ export class UploadStream extends Writable {
async _write(data: Buffer, encoding: string, callback: () => void) {
console.log("Write to stream attempted")
if (filled + data.byteLength > (this.files.config.maxDiscordFileSize*this.files.config.maxDiscordFiles))
if (this.filled + data.byteLength > (this.files.config.maxDiscordFileSize*this.files.config.maxDiscordFiles))
return this.destroy(new WebError(413, "maximum file size exceeded"))
// cut up the buffer into message sized chunks
let progress = 0
let position = 0
let readyForMore = false
while (progress < data.byteLength) {
while (position < data.byteLength) {
let capture = Math.min(
(this.config.maxDiscordFileSize*10) - (this.filled % (this.config.maxDiscordFileSize*10)) + 1,
chunk.byteLength
(this.files.config.maxDiscordFileSize*10) - (this.filled % (this.files.config.maxDiscordFileSize*10)) + 1,
data.byteLength
)
console.log(`Capturing ${capture} bytes, ${chunk.subarray(position, position + capture).byteLength}`)
let nextStream = await this.getNextStream()
nextStream.push( chunk.subarray(position, position+capture) )
console.log(`pushed ${data.byteLength} byte chunk`);
progress += capture, this.filled += capture
// message is full, so tell the next run to get a new message
if (this.filled % (this.config.maxDiscordFileSize*10) == 0)
this.current = undefined
console.log(`Capturing ${capture} bytes from fl, ${data.subarray(position, position + capture).byteLength}`)
if (!this.current) await this.getNextStream()
if (!this.current) {
this.destroy(new Error("getNextStream called during debounce")); return
}
readyForMore = this.current.push( data.subarray(position, position+capture) )
console.log(`pushed ${data.byteLength} byte chunk`);
position += capture, this.filled += capture
// message is full, so tell the next run to get a new message
if (this.filled % (this.files.config.maxDiscordFileSize*10) == 0) {
this.current!.push(null)
this.current = undefined
}
}
if (readyForMore || !this.current) callback()
else this.once("exec-callback", callback)
}
async _final(callback: (error?: Error | null | undefined) => void) {
if (this.current) {
this.current.push(null);
// i probably dnt need this but whateverrr :3
await new Promise((res,rej) => this.once("debounceReleased", res))
}
callback()
}
@ -174,8 +191,8 @@ export class UploadStream extends Writable {
*/
async commit() {
if (this.errored) throw this.error
if (!this.closed) {
let err = Error("attempted to commit file without closing the stream")
if (!this.writableFinished) {
let err = Error("attempted to commit file when the stream was still unfinished")
this.destroy(err); throw err
}
@ -184,9 +201,9 @@ export class UploadStream extends Writable {
if (!this.name) throw new WebError(400, "no filename provided")
if (!this.uploadId) this.setUploadId(generateFileId())
let ogf = this.files.files[this.uploadId]
let ogf = this.files.files[this.uploadId!]
this.files.files[this.uploadId] = {
this.files.files[this.uploadId!] = {
filename: this.name,
mime: this.mime,
messageids: this.messages,
@ -203,6 +220,9 @@ export class UploadStream extends Writable {
chunkSize: this.files.config.maxDiscordFileSize
}
await this.files.write()
return this.uploadId
}
// exposed methods
@ -214,6 +234,7 @@ export class UploadStream extends Writable {
return this.destroy( new WebError(400, "filename can be a maximum of 512 characters") )
this.name = name;
return this
}
setType(type: string) {
@ -223,6 +244,7 @@ export class UploadStream extends Writable {
return this.destroy( new WebError(400, "mime type can be a maximum of 256 characters") )
this.mime = type;
return this
}
setUploadId(id: string) {
@ -261,8 +283,9 @@ export class UploadStream extends Writable {
let stream = new Readable({
read() {
console.log("Read called. Emitting drain")
wrt.emit("drain")
// this is stupid but it should work
console.log("Read called; calling on server to execute callback")
wrt.emit("exec-callback")
}
})
stream.pause()
@ -272,6 +295,7 @@ export class UploadStream extends Writable {
this.messages.push(message.id)
console.log(`Sent: ${message.id}`)
this.newmessage_debounce = true
this.emit("debounceReleased")
})
return stream
@ -280,12 +304,17 @@ export class UploadStream extends Writable {
private async getNextStream() {
console.log("Getting stream...")
console.log("current:" + (this.current ? "yes" : "no"))
if (this.current) return this.current
else {
else if (this.newmessage_debounce) {
// startmessage.... idk
this.current = await this.startMessage();
console.log("current:" + (this.current ? "yes" : "no"))
return this.current
} else {
return new Promise((resolve, reject) => {
console.log("Waiting for debounce to be released...")
this.once("debounceReleased", async () => resolve(await this.getNextStream()))
})
}
}
}
@ -523,7 +552,7 @@ export default class Files {
let result = await currentPusher()
if (result?.streamDone) currentPusher = undefined;
return result?.readyForMore
return result?.streamDone || result?.readyForMore
}

5
src/server/tsconfig.json
View file

@ -100,5 +100,8 @@
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true /* Skip type checking all .d.ts files. */
}
},
"references": [
{ "path": "../../tsconfig.json" }
]
}