Add cors middleware

backend/index.js

@@ -4,6 +4,7 @@ const path = require("path");
 const morgan = require("morgan");
 const dbConnection = require("./util/dbConnection");
 const fs = require("fs");
+const cors = require("cors");
 require('dotenv').config()
 
 // credentials
@@ -25,6 +26,7 @@ const app = express();
         app.use(morgan("dev"));
         app.use(express.static(path.join(__dirname, "../../dist")));
         app.use(bodyParser.json());
+        app.use(cors());
 
         // Express routes
         app.use(search(dbConn));

backend/package-lock.json

@@ -362,6 +362,15 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "crypto-random-string": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-2.0.0.tgz",
@@ -1091,6 +1100,11 @@
       "integrity": "sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==",
       "dev": true
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",

backend/package.json

@@ -11,6 +11,7 @@
   "dependencies": {
     "axios": "^0.19.2",
     "body-parser": "^1.19.0",
+    "cors": "^2.8.5",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "httpolyglot": "^0.1.2",