fix sharex

app/types/db.ts

@@ -0,0 +1,37 @@
+import sqlite3 from "sqlite3";
+import mkdirp from "mkdirp";
+import crypto from "crypto";
+
+mkdirp.sync("./uploads");
+mkdirp.sync("./var/db");
+
+export const db = new sqlite3.Database("./var/db/media.db");
+
+export function createUser(username: string, password: string) {
+	var salt = crypto.randomBytes(16);
+	db.run("INSERT OR IGNORE INTO users (username, hashed_password, salt) VALUES (?, ?, ?)", [
+		username,
+		crypto.pbkdf2Sync(password, salt, 310000, 32, "sha256"),
+		salt
+	]);
+}
+
+export interface MediaRow {
+	id? : Number,
+	path: String,
+	expire: Date,
+	username?: String
+}
+
+export type MediaParams = [
+	path: String,
+	expire: Date,
+	username?: String
+]
+
+export interface UserRow {
+	id? : Number,
+	username: String,
+	hashed_password: any,
+	salt: any
+}

app/types/lib.ts

@@ -0,0 +1,18 @@
+declare global {
+  namespace Express {
+    interface User {
+      username: string;
+      id?: string;
+    }
+  }
+}
+
+export function extension(str: String){
+	let file = str.split("/").pop();
+	return [file.substr(0,file.lastIndexOf(".")),file.substr(file.lastIndexOf("."),file.length).toLowerCase()];
+}
+
+export interface User {
+  username: string;
+  id?: string;
+}

app/types/multer.ts

@@ -0,0 +1,72 @@
+import {Request} from 'express';
+import multer, {FileFilterCallback} from 'multer';
+
+import {db, MediaRow} from './db'
+import {extension} from './lib'
+
+export type DestinationCallback = (error: Error | null, destination: string) => void
+export type FileNameCallback = (error: Error | null, filename: string) => void
+
+export const fileStorage = multer.diskStorage({
+  destination: (
+    request: Request,
+    file: Express.Multer.File,
+    callback: DestinationCallback
+  ): void => {
+    callback(null, __dirname + "/../../uploads");
+  },
+  filename: (
+    request: Request,
+    file: Express.Multer.File,
+    callback: FileNameCallback
+  ): void => {
+    let nameAndExtension = extension(file.originalname);
+    console.log(`Uploading ${file}`);
+    db.all("SELECT * FROM media WHERE path = ?", [nameAndExtension[0] + nameAndExtension[1]],  (err: Error, exists: []) => {
+      if (err) {
+        console.log(err)
+        callback(err, null)
+      }
+      if (exists.length != 0) {
+        let suffix = new Date().getTime() / 1000;
+
+        if (request.body.title == "" || request.body.title  == null || request.body.title == undefined) {
+          callback(null, nameAndExtension[0] + "-" + suffix + nameAndExtension[1]);
+        } else {
+          callback(null, request.body.title + "-" + suffix + nameAndExtension[1]);
+        }
+      } else {
+        if (request.body.title == "" || request.body.title  == null || request.body.title == undefined) {
+          callback(null, nameAndExtension[0] + nameAndExtension[1]);
+        } else {
+          callback(null, request.body.title + nameAndExtension[1]);
+        }
+      }
+    });
+  }
+});
+
+export let allowedMimeTypes = [
+	"image/png",
+	"image/jpg",
+	"image/jpeg",
+	"image/gif",
+	"image/webp",
+	"video/mp4",
+	"video/mov",
+	"video/webm",
+	"audio/mpeg",
+	"audio/ogg"
+];
+
+export const fileFilter = (
+  request: Request,
+  file: Express.Multer.File,
+  callback: FileFilterCallback
+): void => {
+  if (allowedMimeTypes.includes(file.mimetype)) {
+      callback(null, true)
+  } else {
+      callback(null, false)
+  }
+}