wip

README.md

@@ -19,7 +19,7 @@ TOKEN=KILL-YOURSELF.NOW
 - [X] 1.1.4 serve /assets as static files & make /server endpoint
 - [X] 1.2.0 add file parameters section + custom ids
 - [X] 1.2.1 add file counter to main page
-- [ ] 1.2.2 clean up this shitty code
+- [X] 1.2.2 clean up this shitty code
 - [ ] 1.2.3 add id locks, allowing you to set a key for a file that allows you to overwrite the file in the future
 - [ ] 1.2.4 prevent cloning of local/private ip addresses
 - [ ] 1.3.0 add simple moderation tools

src/index.ts

@@ -21,7 +21,7 @@ const multerSetup = multer({storage:memoryStorage()})
 let config = require(`${process.cwd()}/config.json`)
 app.use("/static",express.static("assets"))
 app.use(bodyParser.text({limit:(config.maxDiscordFileSize*config.maxDiscordFiles)+1048576,type:["application/json","text/plain"]}))
-let files:{[key:string]:{filename:string,mime:string,messageids:string[]}} = {}
+//let files:{[key:string]:{filename:string,mime:string,messageids:string[]}} = {}
 
 // funcs
 
@@ -37,10 +37,7 @@ function ThrowError(response:express.Response,code:number,errorMessage:string) {
 
 if (!fs.existsSync(__dirname+"/../.data/")) fs.mkdirSync(__dirname+"/../.data/")
 
-fs.readFile(__dirname+"/../.data/files.json",(err,buf) => {
+
-    if (err) {console.log(err);return}
-    files = JSON.parse(buf.toString() || "{}")
-})
 
 // discord
 
@@ -49,7 +46,7 @@ let client = new Client({intents:[
     IntentsBitField.Flags.MessageContent
 ],rest:{timeout:config.requestTimeout}})
 
-let uploadChannel:Discord.TextBasedChannel
+let files = new Files(client,config)
 
 app.get("/", function(req,res) {
     fs.readFile(__dirname+"/../pages/base.html",(err,buf) => {
@@ -86,7 +83,7 @@ app.get("/clone", function(req,res) {
 app.post("/upload",multerSetup.single('file'),async (req,res) => {
     if (req.file) {
         try {
-            uploadFile({name:req.file.originalname,mime:req.file.mimetype,uploadId:req.header("monofile-upload-id")},req.file.buffer)
+            files.uploadFile({name:req.file.originalname,mime:req.file.mimetype,uploadId:req.header("monofile-upload-id")},req.file.buffer)
                 .then((uID) => res.send(uID))
                 .catch((stat) => {res.status(stat.status);res.send(`[err] ${stat.message}`)})
         } catch {
@@ -134,35 +131,7 @@ app.get("/download/:fileId",(req,res) => {
 })
 
 app.get("/file/:fileId",async (req,res) => {
-    if (files[req.params.fileId]) {
-        let file = files[req.params.fileId]
-        let bufToCombine = []
     
-        for (let i = 0; i < file.messageids.length; i++) {
-            let msg = await uploadChannel.messages.fetch(file.messageids[i]).catch(() => {return null})
-            if (msg?.attachments) {
-                let attach = Array.from(msg.attachments.values())
-                for (let i = 0; i < attach.length; i++) {
-                    let d = await axios.get(attach[i].url,{responseType:"arraybuffer"}).catch((e:Error) => {console.error(e)})
-                    if (d) {
-                        bufToCombine.push(d.data)
-                    } else {
-                        res.sendStatus(500);return
-                    }
-                }
-            }
-        }
-
-        let nb:Buffer|null = Buffer.concat(bufToCombine)
-
-        res.setHeader('Content-Type',file.mime)
-        res.send(nb)
-
-        nb = null
-
-    } else {
-        res.sendStatus(404)
-    }
 })
 
 app.get("/server",(req,res) => {
@@ -173,18 +142,6 @@ app.get("*",(req,res) => {
     ThrowError(res,404,"Page not found.")
 })
 
-client.on("ready",() => {
-    console.log("Discord OK!")
-
-    client.guilds.fetch(config.targetGuild).then((g) => {
-        g.channels.fetch(config.targetChannel).then((a) => {
-            if (a?.isTextBased()) {
-                uploadChannel = a
-            }
-        })
-    })
-})
-
 app.listen(3000,function() {
     console.log("Web OK!")
 })

src/lib/files.ts

@@ -1,6 +1,7 @@
+import axios from "axios";
 import Discord, { Client, TextBasedChannel } from "discord.js";
 import { readFile, writeFile } from "fs";
-
+import { Readable } from "node:stream"
 
 export let id_check_regex = /[A-Za-z0-9_\-\.]+/
 
@@ -40,8 +41,27 @@ export default class Files {
     uploadChannel?: TextBasedChannel
 
     constructor(client: Client, config: Configuration) {
+
         this.config = config;
         this.client = client;
+
+        client.on("ready",() => {
+            console.log("Discord OK!")
+        
+            client.guilds.fetch(config.targetGuild).then((g) => {
+                g.channels.fetch(config.targetChannel).then((a) => {
+                    if (a?.isTextBased()) {
+                        this.uploadChannel = a
+                    }
+                })
+            })
+        })
+
+        readFile(__dirname+"/../.data/files.json",(err,buf) => {
+            if (err) {console.log(err);return}
+            this.files = JSON.parse(buf.toString() || "{}")
+        })
+
     }
     
     uploadFile(settings:FileUploadSettings,fBuffer:Buffer):Promise<string|StatusCodeError> {
@@ -159,12 +179,59 @@ export default class Files {
 
     // todo: move read code here
 
-    readFile(uploadId: string):Promise<Buffer|StatusCodeError> {
+    readFile(uploadId: string):Promise<{dataStream:Readable,contentType:string}> {
-        
+        return new Promise(async (resolve,reject) => {
+            if (!this.uploadChannel) {
+                reject({status:503,message:"server is not ready - please try again later"})
+                return
             }
 
-    unlink():Promise<void> {
+            if (this.files[uploadId]) {
+                let file = this.files[uploadId]
 
+                let dataStream = new Readable()
+
+                resolve({
+                    contentType: file.mime,
+                    dataStream: dataStream
+                })
+        
+                for (let i = 0; i < file.messageids.length; i++) {
+                    let msg = await this.uploadChannel.messages.fetch(file.messageids[i]).catch(() => {return null})
+                    if (msg?.attachments) {
+                        let attach = Array.from(msg.attachments.values())
+                        for (let i = 0; i < attach.length; i++) {
+                            let d = await axios.get(attach[i].url,{responseType:"arraybuffer"}).catch((e:Error) => {console.error(e)})
+                            if (d) {
+                                dataStream.push(d.data)
+                            } else {
+                                reject({status:500,message:"internal server error"})
+                                return
+                            }
+                        }
+                    }
+                }
+                
+            } else {
+                reject({status:404,message:"not found"})
+            }
+        })
+    }
+
+    unlink(uploadId:string):Promise<void> {
+        return new Promise((resolve,reject) => {
+            let tmp = this.files[uploadId];
+            delete this.files[uploadId];
+            writeFile(process.cwd()+"/.data/files.json",JSON.stringify(this.files),(err) => {
+                if (err) {
+                    this.files[uploadId] = tmp
+                    reject()
+                } else {
+                    resolve()
+                }
+            })
+
+        })
     }
 
 }