Can check for uploaded files

package-lock.json

@@ -34,6 +34,15 @@
         "@types/serve-static": "*"
       }
     },
+    "@types/express-fileupload": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@types/express-fileupload/-/express-fileupload-1.1.0.tgz",
+      "integrity": "sha512-l7ElHOlTt3Dis1My3LvEwP4tDw/cYiM1sor5nQY8aRm8HPVwalG48lf7ym9k2/z/PwRGADABGgIhv0a6y7XzoA==",
+      "dev": true,
+      "requires": {
+        "@types/express": "*"
+      }
+    },
     "@types/express-serve-static-core": {
       "version": "4.17.0",
       "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.0.tgz",
@@ -723,6 +732,14 @@
       "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=",
       "dev": true
     },
+    "busboy": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-0.3.1.tgz",
+      "integrity": "sha512-y7tTxhGKXcyBxRKAni+awqx8uqaJKrSFSNFSeRG5CsWNdmy2BIK+6VGWEW7TZnIO/533mtMEA4rOevQV815YJw==",
+      "requires": {
+        "dicer": "0.3.0"
+      }
+    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -1210,6 +1227,14 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "dicer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/dicer/-/dicer-0.3.0.tgz",
+      "integrity": "sha512-MdceRRWqltEG2dZqO769g27N/3PXfcKl04VhYnBlo2YhH7zPi88VebsjTKclaOyiuMaGU72hTfw3VkUitGcVCA==",
+      "requires": {
+        "streamsearch": "0.1.2"
+      }
+    },
     "diffie-hellman": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
@@ -1470,6 +1495,14 @@
         "vary": "~1.1.2"
       }
     },
+    "express-fileupload": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/express-fileupload/-/express-fileupload-1.1.6.tgz",
+      "integrity": "sha512-w24zPWT8DkoIxSVkbxYPo9hkTiLpCQQzNsLRTCnecBhfbYv+IkIC5uLw2MIUAxBZ+7UMmXPjGxlhzUXo4RcbZw==",
+      "requires": {
+        "busboy": "^0.3.1"
+      }
+    },
     "extend-shallow": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz",
@@ -4165,6 +4198,11 @@
       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
       "dev": true
     },
+    "streamsearch": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
+      "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",

package.json

@@ -9,12 +9,14 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
+    "express": "^4.17.1",
+    "express-fileupload": "^1.1.6",
     "mysql": "^2.17.1",
-    "typescript": "^3.7.2",
-    "express": "^4.17.1"
+    "typescript": "^3.7.2"
   },
   "devDependencies": {
     "@types/express": "^4.17.2",
+    "@types/express-fileupload": "^1.1.0",
     "@types/mysql": "^2.15.8",
     "@types/node": "^12.12.8",
     "nodemon": "^2.0.0",

src/entities/RequestHandler.ts

@@ -3,6 +3,7 @@ import { APIHelper } from "../helpers/APIHelper";
 import { APIClient } from "./APIClient";
 import { checkMail } from "../utils/StringUtils";
 import { AccountHelper } from "../helpers/AccountHelper";
+import { UploadedFile } from "express-fileupload";
 
 /**
  * Response to a request
@@ -169,6 +170,31 @@ export class RequestHandler {
 		return param === "true" || param === true;
 	}
 
+	/**
+	 * Get information about an uploaded file
+	 * 
+	 * @param name The name of the posted file
+	 */
+	private GetUploadedFile(name: string) : undefined | UploadedFile {
+		
+		if(!this.req.files)
+			return undefined;
+
+		if(this.req.files[name] instanceof Array)
+			this.error(500, "Multiple upload are not supported!");
+		
+		return <UploadedFile|undefined>this.req.files[name];
+	}
+
+	/**
+	 * Check out whether a file has been included in the request or not
+	 * 
+	 * @param name The name of the file to check
+	 */
+	public hasFile(name: string) : boolean {
+		return this.GetUploadedFile(name) != undefined;
+	}
+
 
 	/**
 	 * Validate API tokens

src/main.ts

@@ -3,6 +3,7 @@ import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
 import { DatabaseHelper } from "./helpers/DatabaseHelper";
 import { Routes, RouteType } from './controllers/Routes';
 import { RequestHandler } from './entities/RequestHandler';
+import * as fileUpload  from 'express-fileupload';
 
 /**
  * Main project script
@@ -25,6 +26,8 @@ async function init() {
 
 	app.use(express.urlencoded({extended: true}));
 
+	app.use(fileUpload());
+
 	// Process the list of routes
 	Routes.forEach(route => {