backup + decriptare toate fisiere done

UC/backend/src/app.js

@@ -6,7 +6,12 @@ const app = express();
 const port = process.env.PORT || 5000;
 
 app.use(cors({
-    allowedHeaders: ['Authorization', 'Content-Type'] // Add 'Authorization' to the list of allowed headers
+    origin: '*', // Allow all origins
+    methods: 'GET,POST,PUT,DELETE,PATCH', // Allow all methods
+    allowedHeaders: '*', // Allow all headers
+    credentials: true, // Enable credentials
+    preflightContinue: false,
+    optionsSuccessStatus: 204 // Some legacy browsers (IE11, various SmartTVs) choke on 204
 }));
 app.use(json());
 

UC/backend/src/db/backup_schemes.json

@@ -1 +1,7 @@
-{}
+{
+  "4659e71f-9bb4-4902-97d8-097efa138333": {
+    "ip": "192.168.0.195",
+    "directoryStructure": "{\"to_backup\":{\"files\":[\"fisier_random.txt\"],\"alte fis\":{\"files\":[\"alt fisier.txt\",\"fisier now.txt\",\"New Microsoft Excel Worksheet.xlsx\"]}}}",
+    "totalSize": 6197
+  }
+}

UC/backend/src/models/dirStructureModel.js

@@ -10,13 +10,12 @@ const dirStructureModel = Joi.object({
         'string.ip': 'The IP address "{{#value}}" is not valid.',
         'any.required': 'IP address is required.'
     }),
-    dir_config: Joi.string().required().messages({
+    directoryStructure: Joi.string().required().messages({
         'any.required': 'Directory configuration is required',
         'string.empty': 'Directory configuration must not be empty'
     }),
-    total_space: Joi.number().positive().required().messages({
+    totalSize: Joi.number().required().messages({
         'any.required': 'Total space is required',
-        'number.positive': 'Total space must be a positive number',
         'number.base': 'Total space must be a number'
     })
 });

UC/backend/src/routes/backup_schemes.js

@@ -11,6 +11,7 @@ function validateBody(req, res, next) {
     }
 
     if(validationSchema !== undefined){
+        console.log(req.body);
         const {error} = validationSchema.validate(req.body);
         if(error){
             const errorMessage = error.details.map(detail => detail.message).join(', ');
@@ -22,15 +23,16 @@ function validateBody(req, res, next) {
 
 router.patch('/', validateBody, (req, res) => {
     const backupSchemesDB = req.app.get('backupSchemesDB');
-    const { id, ip, backup_schema, size } = req.body;
+    const { id, ip, directoryStructure, totalSize } = req.body;
 
     let backupSchemesJson = backupSchemesDB.readFile();
     backupSchemesJson[id] = {
         ip: ip,
-        backup_schema: backup_schema,
+        directoryStructure: directoryStructure,
-        size: size
+        totalSize: totalSize
     }
 
+    backupSchemesDB.writeFile(backupSchemesJson);
     return res.status(httpStatus.OK).json({message: 'Backup schema updated'});
 });
 

UC/backend/src/routes/users.js

@@ -74,12 +74,12 @@ router.post('/login', validateBody, (req, res) => {
     const hashedPassword = crypto.createHash('sha256').update(password).digest('hex');
 
     if(usersDB.readFile().length === 0){
-        return res.status(httpStatus.NOT_FOUND).json({message: 'Invalid credentials.'});
+        return res.status(httpStatus.INTERNAL_SERVER_ERROR).json({message: 'Internal server error.'});
     }
 
     if(usersDB.findIndexByKeyValueInArray('email', email) !==
     usersDB.findIndexByKeyValueInArray('password', hashedPassword)){
-        return res.status(httpStatus.NOT_FOUND).json({message: 'Invalid credentials.'});
+        return res.status(httpStatus.UNAUTHORIZED).json({message: 'Invalid credentials.'});
     }
 
     const userIndex = usersDB.findIndexByKeyValueInArray('email', email);

User/.idea/.name

@@ -0,0 +1 @@
+login.css

User/backupSchemes.json

@@ -0,0 +1,7 @@
+{
+  "4659e71f-9bb4-4902-97d8-097efa138333": {
+    "ip": "192.168.0.195",
+    "directoryStructure": "{\"to_backup\":{\"files\":[\"fisier_random.txt\"],\"alte fis\":{\"files\":[\"alt fisier.txt\",\"fisier now.txt\",\"New Microsoft Excel Worksheet.xlsx\"]}}}",
+    "totalSize": 6197
+  }
+}

User/dirBackup.json

@@ -0,0 +1,18 @@
+{
+  "path": "C:\\Users\\Andrei Cerbu\\Documents\\to_backup",
+  "structure": {
+    "to_backup": {
+      "files": [
+        "fisier_random.txt"
+      ],
+      "alte fis": {
+        "files": [
+          "alt fisier.txt",
+          "fisier now.txt",
+          "New Microsoft Excel Worksheet.xlsx"
+        ]
+      }
+    }
+  },
+  "size": 6197
+}

User/helpers/http_status.js

@@ -0,0 +1,36 @@
+const httpStatus = {
+    // Informational
+    CONTINUE: 100,
+    SWITCHING_PROTOCOLS: 101,
+    PROCESSING: 102,
+
+    // Success
+    OK: 200,
+    CREATED: 201,
+    ACCEPTED: 202,
+    NO_CONTENT: 204,
+
+    // Redirection
+    MOVED_PERMANENTLY: 301,
+    FOUND: 302,
+    SEE_OTHER: 303,
+    NOT_MODIFIED: 304,
+    TEMPORARY_REDIRECT: 307,
+
+    // Client Error
+    BAD_REQUEST: 400,
+    UNAUTHORIZED: 401,
+    FORBIDDEN: 403,
+    NOT_FOUND: 404,
+    METHOD_NOT_ALLOWED: 405,
+    CONFLICT: 409,
+    GONE: 410,
+    UNSUPPORTED_MEDIA_TYPE: 415,
+
+    // Server Error
+    INTERNAL_SERVER_ERROR: 500,
+    NOT_IMPLEMENTED: 501,
+    SERVICE_UNAVAILABLE: 503
+};
+
+module.exports = { httpStatus };

User/helpers/lock_mechanism.js

@@ -0,0 +1,33 @@
+const lockfile = require('proper-lockfile');
+
+async function lockFile(filePath) {
+    try {
+        await lockfile.lock(filePath, {
+            realpath: false,
+            retries: {
+                retries: 10,        // Number of retries
+                factor: 2,          // The exponential factor
+                minTimeout: 1000,   // The number of milliseconds before starting the first retry
+                maxTimeout: 5000,   // The maximum number of milliseconds between two retries
+                randomize: true,    // Randomizes the timeouts by multiplying with a factor between 1 to 2
+            }
+        });
+        console.log(`File locked: ${filePath}`);
+    } catch (error) {
+        console.error(`Error locking file ${filePath}: ${error.message}`);
+        throw error; // Propagate the error if unable to lock after retries
+    }
+}
+
+async function unlockFile(filePath) {
+    try {
+        await lockfile.unlock(filePath);
+        console.log(`File unlocked: ${filePath}`);
+    } catch (error) {
+        console.error(`Error unlocking file ${filePath}: ${error.message}`);
+        // Decide whether to throw the error or not, based on your error handling strategy
+        throw error;
+    }
+}
+
+module.exports = {lockFile, unlockFile}

User/ipConfig.json

@@ -1 +1 @@
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+ż)ř‰;ĘŃŞÓĆ'Fw-`Źeµ±/öd©K

User/iv.key

@@ -1 +1 @@
-ä李’a%l:ðIÇ÷ÑÝ
+i6ŃĆ0ů@éSá“LŻi

User/jobs/backup.js

@@ -0,0 +1,217 @@
+const fs = require('fs').promises;  // Ensure you use the promise-based API
+const path = require('path');
+const { decryptFileInPlace, encryptFileInPlace, encryptFileWithKey, decryptFileWithKey} = require("../src/main/aes_encrypt");
+const {lockFile, unlockFile} = require("../helpers/lock_mechanism");
+
+function extractFilePaths(directoryStructure) {
+    let paths = [];
+    const traverse = (dir, currentPath) => {
+        Object.keys(dir).forEach(key => {
+            if (key === 'files') {
+                dir[key].forEach(file => paths.push(path.join(currentPath, file)));
+            } else {
+                traverse(dir[key], path.join(currentPath, key));
+            }
+        });
+    };
+    traverse(directoryStructure, '');
+    return paths;
+}
+
+async function fetchFiles(ip, filePaths) {
+    let results = {};
+
+    for (const filePath of filePaths) {
+        const url = `http://${ip}:3000/file_path`;
+        try {
+            const response = await fetch(url, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({ filePath })
+            });
+
+            if (!response.ok) throw new Error(`HTTP status ${response.status}`);
+
+            const arrayBuffer = await response.arrayBuffer(); // Fetch the response as an ArrayBuffer
+            results[filePath] = Buffer.from(arrayBuffer);
+        } catch (error) {
+            console.error(`Error fetching ${filePath}:`, error);
+            results[filePath] = null;
+        }
+    }
+
+    return results;
+}
+
+async function removeDirectory(directoryPath) {
+    try {
+        // Check if the directory exists
+        const stats = await fs.stat(directoryPath);
+        if (!stats.isDirectory()) {
+            console.log('The specified path is not a directory.');
+            return;
+        }
+
+        // Read all the contents of the directory
+        const files = await fs.readdir(directoryPath);
+
+        // Loop through each file/directory and delete them
+        for (const file of files) {
+            const currentPath = path.join(directoryPath, file);
+            const currentStats = await fs.stat(currentPath);
+
+            if (currentStats.isDirectory()) {
+                // Recursive call for directories
+                await removeDirectory(currentPath);
+            } else {
+                // Delete file
+                await fs.unlink(currentPath);
+            }
+        }
+
+        // Finally, delete the directory itself
+        await fs.rmdir(directoryPath);
+        //console.log(`Directory removed: ${directoryPath}`);
+    } catch (error) {
+        console.error(`Error removing directory: ${error.message}`);
+    }
+}
+
+async function decryptUserSystemConfig() {
+    const configPath = path.join(__dirname, '..', 'usersInSystem.json');
+    await lockFile(configPath);
+    await decryptFileInPlace(configPath);
+}
+
+async function encryptUserSystemConfig(){
+    const configPath = path.join(__dirname, '..', 'usersInSystem.json');
+    await unlockFile(configPath);
+    await encryptFileInPlace(configPath);
+}
+
+async function processBackup() {
+    await decryptUserSystemConfig();
+    const usersConfigPath = path.join(__dirname, '..', 'usersInSystem.json');
+    const backupConfigPath = path.join(__dirname, '..', 'backupSchemes.json');
+    const baseBackupDirPath = path.join(__dirname, '..', 'backup_directories');
+
+    try {
+        // Read and parse the users configuration
+        const usersData = await fs.readFile(usersConfigPath, 'utf8');
+        const usersConfig = JSON.parse(usersData);
+
+        // Read and parse the backup configuration
+        const backupData = await fs.readFile(backupConfigPath, 'utf8');
+        const jsonData = JSON.parse(backupData);
+
+        for (const key in jsonData) {
+            const userBackupDir = path.join(baseBackupDirPath, key);
+            await removeDirectory(userBackupDir);
+
+            const node = jsonData[key];
+            const directoryStructure = JSON.parse(node.directoryStructure);
+            const filePaths = extractFilePaths(directoryStructure);
+            const files = await fetchFiles(node.ip, filePaths);
+
+            await fs.mkdir(userBackupDir, { recursive: true });
+
+            // Find the encryption key for the user's department
+            let encryptionKey = '';
+            for (const dept in usersConfig) {
+                if (usersConfig[dept].users.includes(key)) {
+                    encryptionKey = usersConfig[dept].key;
+                    break;
+                }
+            }
+
+            for (const file in files) {
+                if (files[file]) {
+                    const fullPath = path.join(userBackupDir, file);
+                    await fs.mkdir(path.dirname(fullPath), { recursive: true });
+                    await fs.writeFile(fullPath, files[file]); // Write the binary data
+
+                    // Encrypt the file in place after writing it
+                    if (encryptionKey) {
+                        await encryptFileWithKey(fullPath, encryptionKey);
+                    }
+                }
+            }
+        }
+    } catch (error) {
+        console.error('Failed to read or process the JSON file:', error);
+    }
+
+    await encryptUserSystemConfig();
+}
+
+async function getAllFilePaths(dirPath) {
+    let filePaths = [];
+    async function recurse(currentPath) {
+        const entries = await fs.readdir(currentPath, { withFileTypes: true });
+        // Create promises for each entry and process them in parallel
+        const entryPromises = entries.map(async (entry) => {
+            const resolvedPath = path.join(currentPath, entry.name);
+            if (entry.isDirectory()) {
+                // If it's a directory, recurse into it
+                await recurse(resolvedPath);
+            } else {
+                // If it's a file, add it to the file paths array
+                filePaths.push(resolvedPath);
+            }
+        });
+        // Wait for all promises to complete
+        await Promise.all(entryPromises);
+    }
+    await recurse(dirPath);
+    return filePaths;
+}
+
+async function decryptUserFilesToDirectory(destinationDir) {
+    await decryptUserSystemConfig();  // Ensure user config is decrypted
+    const usersConfigPath = path.join(__dirname, '..', 'usersInSystem.json');
+    const usersConfig = JSON.parse(await fs.readFile(usersConfigPath, 'utf8'));
+    const sourceDir = path.join(__dirname, '..', 'backup_directories');
+
+    try {
+        for (const department in usersConfig) {
+            const { key, users } = usersConfig[department];
+            for (const userId of users) {
+                const userDir = path.join(sourceDir, userId);
+                try {
+                    const files = await getAllFilePaths(userDir);
+                    for (const filePath of files) {
+                        const stats = await fs.stat(filePath);
+                        if (stats.isFile()) {
+                            // Extract the part of the file path after the userId
+                            const relativePath = path.relative(userDir, filePath);
+
+                            // Construct the destination file path
+                            const destinationFilePath = path.join(destinationDir, userId, relativePath);
+                            await fs.mkdir(path.dirname(destinationFilePath), { recursive: true });
+
+                            // Decrypt the file in its original location
+                            await decryptFileWithKey(filePath, key);
+
+                            // Copy the decrypted file to the destination directory
+                            await fs.copyFile(filePath, destinationFilePath);
+                            console.log(`Decrypted file copied to: ${destinationFilePath}`);
+
+                            // Re-encrypt the file in its original location (optional)
+                            await encryptFileWithKey(filePath, key);
+                        }
+                    }
+                } catch (error) {
+                    console.error(`Error processing files for user ${userId}: ${error.message}`);
+                }
+            }
+        }
+    } catch (error) {
+        console.error(`Error processing decryption: ${error.message}`);
+    }
+}
+
+
+processBackup();
+decryptUserFilesToDirectory("C:\\Users\\Andrei Cerbu\\Documents\\decrypted");

User/jobs/backup_endpoints.js

@@ -0,0 +1,79 @@
+const express = require('express');
+const fs = require('fs');
+const path = require('path');
+const Joi = require('joi');
+const fetch = require('node-fetch');
+const { httpStatus } = require('../helpers/http_status');
+
+const app = express();
+app.use(express.json());
+
+const filePathSchema = Joi.object({
+    filePath: Joi.string().required()
+});
+
+async function getBaseDirectory() {
+    const filePath = path.join(__dirname, '..', 'dirBackup.json');
+    try {
+        const data = await fs.promises.readFile(filePath, 'utf8');
+        const jsonData = JSON.parse(data);
+        return jsonData.path;
+    } catch (error) {
+        console.error('Error reading the base directory:', error);
+        throw error;
+    }
+}
+
+app.post('/file_path', async (req, res) => {
+    const { error, value } = filePathSchema.validate(req.body);
+    if (error) {
+        return res.status(httpStatus.BAD_REQUEST).json({
+            message: 'Invalid input',
+            data: error.details
+        });
+    }
+
+    try {
+        const basePath = await getBaseDirectory();
+        let { filePath } = value;
+        const baseDirName = path.basename(basePath);
+        if (filePath.startsWith(baseDirName + path.sep)) {
+            filePath = filePath.slice(baseDirName.length + 1);
+        }
+        const fullPath = path.resolve(basePath, filePath);
+
+        fs.stat(fullPath, (err, stats) => {
+            if (err) {
+                if (err.code === 'ENOENT') {
+                    return res.status(httpStatus.NOT_FOUND).json({
+                        message: 'File not found'
+                    });
+                }
+                return res.status(httpStatus.INTERNAL_SERVER_ERROR).json({
+                    message: 'Error accessing the file'
+                });
+            }
+
+            if (!stats.isFile()) {
+                return res.status(httpStatus.BAD_REQUEST).json({
+                    message: 'Path is not a file'
+                });
+            }
+
+            // Stream the file as binary data
+            res.writeHead(httpStatus.OK, {
+                'Content-Type': 'application/octet-stream',
+                'Content-Disposition': `attachment; filename="${path.basename(fullPath)}"`
+            });
+            const fileStream = fs.createReadStream(fullPath);
+            fileStream.pipe(res);
+        });
+    } catch (error) {
+        return res.status(httpStatus.INTERNAL_SERVER_ERROR).json({
+            message: 'Error processing request'
+        });
+    }
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => console.log(`Server running on port ${PORT}`));

User/jobs/fetcher.js

@@ -0,0 +1,209 @@
+const fs = require('fs').promises;
+const path = require('path');
+const ip = require('ip');
+const {encryptFileInPlace, decryptFileInPlace} = require('../src/main/aes_encrypt');
+const {lockFile, unlockFile} = require("../helpers/lock_mechanism");
+
+async function fetchBackupSchemes(serverIp) {
+    // Fetching backup schemes from the server
+    const depResponse = await fetch(`http://${serverIp}/backup_schemes`, {
+        method: 'GET',
+        headers: {'x-api-key': 'uc_api'}
+    });
+    const backupSchemesJson = await depResponse.json();
+    const backupSchemes = backupSchemesJson['data'];
+
+    // Specify the path where the backup schemes will be saved
+    const destPath = path.join(__dirname, '..', 'backupSchemes.json');
+
+    // Write the fetched backup schemes to the specified file
+    try {
+        await lockFile(destPath);
+        await fs.writeFile(destPath, JSON.stringify(backupSchemes, null, 2)); // Use null, 2 for pretty formatting
+        await unlockFile(destPath);
+        console.log('Backup schemes saved successfully to', destPath);
+    } catch (error) {
+        console.error('Failed to save backup schemes:', error);
+    }
+}
+
+async function fetchUsersAndDepartments(serverIp) {
+    try {
+        // Fetch departments
+        const depResponse = await fetch(`http://${serverIp}/users/departments`, {
+            method: 'GET',
+            headers: {'x-api-key': 'uc_api'}
+        });
+        const departmentsJson = await depResponse.json();
+        const departments = departmentsJson['data'];
+
+        // Fetch users
+        const userResponse = await fetch(`http://${serverIp}/users`, {
+            method: 'GET',
+            headers: {'x-api-key': 'uc_api'}
+        });
+        const usersJson = await userResponse.json();
+        const users = usersJson['data'];
+
+        // Combine the JSON data
+        const combinedData = Object.values(departments).reduce((acc, {name, key}) => {
+            acc[name] = {
+                key,
+                users: users.filter(user => user.department === name).map(user => user.id)
+            };
+            return acc;
+        }, {});
+
+        // Write combined data to a file
+        const filePath = path.join(__dirname, '..', 'usersInSystem.json');
+        await lockFile(filePath);
+        await fs.writeFile(filePath, JSON.stringify(combinedData, null, 2), 'utf8');
+
+        await encryptFileInPlace(filePath);
+        await unlockFile(filePath);
+        console.log('Data has been encrypted and saved.');
+    } catch (error) {
+        console.error('Failed to fetch or process data:', error);
+    }
+}
+
+async function decryptAndGetServerIP(filePath) {
+    try {
+        await lockFile(filePath);
+        await decryptFileInPlace(filePath);
+
+        const fileContent = await fs.readFile(filePath, 'utf8');
+        const jsonData = JSON.parse(fileContent);
+        const serverIP = jsonData.ip;
+
+        await encryptFileInPlace(filePath)
+        await unlockFile(filePath);
+        return serverIP;
+    } catch (error) {
+        console.error('An error occurred:', error);
+        return null;
+    }
+}
+
+async function getDirectoryStructure(dirPath) {
+    const baseName = path.basename(dirPath);
+    const entries = await fs.readdir(dirPath, {withFileTypes: true});
+    const result = {};
+    result[baseName] = {files: []};
+    let totalSize = 0;
+
+    for (let entry of entries) {
+        const entryPath = path.join(dirPath, entry.name);
+        if (entry.isDirectory()) {
+            // Recursively get structure for subdirectories
+            const {structure, size: subSize} = await getDirectoryStructure(entryPath);
+            result[baseName][entry.name] = structure[Object.keys(structure)[0]]; // Object.keys to fetch the first key name
+            totalSize += subSize;
+        } else {
+            // Add file name to the 'files' array and calculate total size
+            const stats = await fs.stat(entryPath);
+            result[baseName].files.push(entry.name);
+            totalSize += stats.size;
+        }
+    }
+    return {structure: result, size: totalSize};
+}
+
+async function createBackupScheme(serverIp, structure, size) {
+    let filePath = path.join(__dirname, '..', 'loginData.json');
+    await lockFile(filePath);
+    await decryptFileInPlace(filePath);
+
+    const userContent = await fs.readFile(filePath, 'utf8');
+    const userJson = JSON.parse(userContent);
+
+    await encryptFileInPlace(filePath)
+    await unlockFile(filePath);
+
+    // Find the IP address of the machine
+    const machineIP = ip.address();
+
+    // Prepare the data to be sent
+    const dataToSend = {
+        id: userJson.id,
+        ip: machineIP,
+        directoryStructure: JSON.stringify(structure),
+        totalSize: size
+    };
+
+    const response = await fetch(`http://${serverIp}/backup_schemes`, {
+        method: 'PATCH',
+        headers: {
+            'Content-Type': 'application/json',
+            'x-api-key': 'uc_api'
+        },
+        body: JSON.stringify(dataToSend)
+    });
+
+    if (response.ok) {
+        console.log("Backup dir structure submitted.")
+    } else {
+        const data = await response.json()
+        console.log(data.message);
+    }
+}
+
+async function watchDirectoryChanges(serverIp) {
+    async function readBackupConfig(filePath) {
+        await lockFile(filePath);
+        const fileContent = await fs.readFile(filePath, 'utf8');
+        await unlockFile(filePath);
+        return JSON.parse(fileContent);
+    }
+
+    async function updateBackupConfig(filePath, structure, size) {
+        const data = {
+            path: filePath,
+            structure: structure,
+            size: size
+        };
+        await lockFile(filePath);
+        await fs.writeFile(path.join(__dirname, '..', 'dirBackup.json'), JSON.stringify(data, null, 2));
+        await unlockFile(filePath);
+    }
+
+    const configPath = path.join(__dirname, '..', 'dirBackup.json');
+    const backupConfig = await readBackupConfig(configPath);
+    const storedStructure = backupConfig.structure;
+
+    const {structure: currentStructure, size: currentSize} = await getDirectoryStructure(backupConfig.path);
+
+    if (JSON.stringify(storedStructure) !== JSON.stringify(currentStructure)) {
+        console.log("Directory structure has changed. Updating backup...");
+        await createBackupScheme(serverIp, currentStructure, currentSize);
+
+        await updateBackupConfig(backupConfig.path, currentStructure, currentSize);
+    } else {
+        console.log("No changes detected in the directory structure.");
+    }
+}
+
+process.on('SIGINT', () => {
+    console.log('Process terminated');
+    process.exit(0);
+});
+
+let serverIp = null
+decryptAndGetServerIP(path.join(__dirname, '..', 'ipConfig.json')).then(ip => {
+    serverIp = ip;
+});
+
+setInterval(() => {
+    fetchUsersAndDepartments(serverIp);
+}, 5000);
+
+setInterval(() => {
+    watchDirectoryChanges(serverIp);
+}, 5000);
+
+setInterval(() => {
+    fetchBackupSchemes(serverIp);
+}, 5000);
+
+
+console.log("Service running. Press CTRL+C to stop.");

User/package-lock.json

@@ -9,10 +9,16 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "body-parser": "^1.20.2",
         "bootstrap": "^5.3.3",
+        "cors": "^2.8.5",
         "electron": "^29.1.5",
         "express": "^4.19.2",
+        "ip": "^2.0.1",
+        "joi": "^17.12.3",
+        "node-fetch": "^3.3.2",
         "nodemon": "^3.1.0",
+        "proper-lockfile": "^4.1.2",
         "toastify-js": "^1.12.0"
       },
       "devDependencies": {
@@ -39,6 +45,19 @@
         "global-agent": "^3.0.0"
       }
     },
+    "node_modules/@hapi/hoek": {
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
+      "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ=="
+    },
+    "node_modules/@hapi/topo": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
+      "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
     "node_modules/@popperjs/core": {
       "version": "2.11.8",
       "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
@@ -49,6 +68,24 @@
         "url": "https://opencollective.com/popperjs"
       }
     },
+    "node_modules/@sideway/address": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
+      "integrity": "sha512-IqO/DUQHUkPeixNQ8n0JA6102hT9CmaljNTPmQ1u8MEhBo/R4Q8eKLN/vGZxuebwOroDB4cbpjheD4+/sKFK4Q==",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
+    "node_modules/@sideway/formula": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
+      "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg=="
+    },
+    "node_modules/@sideway/pinpoint": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+      "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ=="
+    },
     "node_modules/@sindresorhus/is": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-4.6.0.tgz",
@@ -447,6 +484,26 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
+    "node_modules/cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/data-uri-to-buffer": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
+      "integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/debug": {
       "version": "4.3.4",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
@@ -747,6 +804,28 @@
         "pend": "~1.2.0"
       }
     },
+    "node_modules/fetch-blob": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "paypal",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "dependencies": {
+        "node-domexception": "^1.0.0",
+        "web-streams-polyfill": "^3.0.3"
+      },
+      "engines": {
+        "node": "^12.20 || >= 14.13"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -788,6 +867,17 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
     },
+    "node_modules/formdata-polyfill": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
+      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
+      "dependencies": {
+        "fetch-blob": "^3.1.2"
+      },
+      "engines": {
+        "node": ">=12.20.0"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -1085,6 +1175,11 @@
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
+    "node_modules/ip": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.1.tgz",
+      "integrity": "sha512-lJUL9imLTNi1ZfXT+DU6rBBdbiKGBuay9B6xGSPVjUeQwaH1RIGqef8RZkUtHioLmSNpPR5M4HVKJGm1j8FWVQ=="
+    },
     "node_modules/ipaddr.js": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
@@ -1131,6 +1226,18 @@
         "node": ">=0.12.0"
       }
     },
+    "node_modules/joi": {
+      "version": "17.12.3",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.12.3.tgz",
+      "integrity": "sha512-2RRziagf555owrm9IRVtdKynOBeITiDpuZqIpgwqXShPncPKNiRQoiGsl/T8SQdq+8ugRzH2LqY67irr2y/d+g==",
+      "dependencies": {
+        "@hapi/hoek": "^9.3.0",
+        "@hapi/topo": "^5.1.0",
+        "@sideway/address": "^4.1.5",
+        "@sideway/formula": "^3.0.1",
+        "@sideway/pinpoint": "^2.0.0"
+      }
+    },
     "node_modules/json-buffer": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",
@@ -1291,6 +1398,41 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "github",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "engines": {
+        "node": ">=10.5.0"
+      }
+    },
+    "node_modules/node-fetch": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
+      "integrity": "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==",
+      "dependencies": {
+        "data-uri-to-buffer": "^4.0.0",
+        "fetch-blob": "^3.1.4",
+        "formdata-polyfill": "^4.0.10"
+      },
+      "engines": {
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/node-fetch"
+      }
+    },
     "node_modules/nodemon": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-3.1.0.tgz",
@@ -1365,6 +1507,14 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
@@ -1455,6 +1605,16 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/proper-lockfile": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/proper-lockfile/-/proper-lockfile-4.1.2.tgz",
+      "integrity": "sha512-TjNPblN4BwAWMXU8s9AEz4JmQxnD1NNL7bNOY/AKUzyamc379FWASUhc/K1pL2noVb+XmZKLL68cjzLsiOAMaA==",
+      "dependencies": {
+        "graceful-fs": "^4.2.4",
+        "retry": "^0.12.0",
+        "signal-exit": "^3.0.2"
+      }
+    },
     "node_modules/proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -1570,6 +1730,14 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/retry": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz",
+      "integrity": "sha512-9LkiTwjUh6rT555DtE9rTX+BKByPfrMzEAtnlEtdEwr3Nkffwiihqe2bWADg+OQRjt9gl6ICdmB/ZFDCGAtSow==",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
     "node_modules/roarr": {
       "version": "2.15.4",
       "resolved": "https://registry.npmjs.org/roarr/-/roarr-2.15.4.tgz",
@@ -1742,6 +1910,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/signal-exit": {
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
+      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="
+    },
     "node_modules/simple-update-notifier": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
@@ -1943,6 +2116,14 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/web-streams-polyfill": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",

User/package.json

@@ -11,10 +11,16 @@
   "author": "Cerbu Andrei - Mihnea",
   "license": "ISC",
   "dependencies": {
+    "body-parser": "^1.20.2",
     "bootstrap": "^5.3.3",
+    "cors": "^2.8.5",
     "electron": "^29.1.5",
     "express": "^4.19.2",
+    "ip": "^2.0.1",
+    "joi": "^17.12.3",
+    "node-fetch": "^3.3.2",
     "nodemon": "^3.1.0",
+    "proper-lockfile": "^4.1.2",
     "toastify-js": "^1.12.0"
   },
   "devDependencies": {

User/secret.key

@@ -1 +1 @@
-�	�4����~n`���'Tn�oC�:�%:x��
+Íìè`à¡]'hźV8ŠËºnkAšèùÙVfƒ7K

User/src/main/aes_encrypt.js

@@ -70,7 +70,46 @@ async function decryptFileInPlace(filePath) {
     });
 }
 
+function cryptForKey(content, key, decrypt = false) {
+    const algorithm = 'aes-256-ctr';
+    const secretKey = crypto.createHash('sha256').update(String(key)).digest('base64').substr(0, 32);
+    let cipher;
+
+    if (decrypt) {
+        cipher = crypto.createDecipheriv(algorithm, secretKey, Buffer.alloc(16, 0)); // Using a zeroed IV for CTR
+    } else {
+        cipher = crypto.createCipheriv(algorithm, secretKey, Buffer.alloc(16, 0));
+    }
+
+    return Buffer.concat([cipher.update(content), cipher.final()]);
+}
+
+// Encrypts a file in place with a given key
+async function encryptFileWithKey(filePath, key) {
+    try {
+        const fileContent = await fs.promises.readFile(filePath);
+        const encryptedContent = cryptForKey(fileContent, key, false);
+        await fs.promises.writeFile(filePath, encryptedContent);
+        console.log(`File encrypted successfully: ${filePath}`);
+    } catch (error) {
+        console.error(`Error encrypting file: ${error.message}`);
+    }
+}
+
+async function decryptFileWithKey(filePath, key) {
+    try {
+        const fileContent = await fs.promises.readFile(filePath);
+        const decryptedContent = cryptForKey(fileContent, key, true);
+        await fs.promises.writeFile(filePath, decryptedContent);
+        console.log(`File decrypted successfully: ${filePath}`);
+    } catch (error) {
+        console.error(`Error decrypting file: ${error.message}`);
+    }
+}
+
 module.exports = {
     encryptFileInPlace,
-    decryptFileInPlace
+    decryptFileInPlace,
+    encryptFileWithKey,
+    decryptFileWithKey,
 }

User/src/main/main.js

@@ -5,6 +5,7 @@ const crypto = require('crypto');
 const {fork} = require('child_process');
 
 const {encryptFileInPlace, decryptFileInPlace} = require('./aes_encrypt');
+const {lockFile, unlockFile} = require("../../helpers/lock_mechanism");
 
 const isMac = process.platform === 'darwin';
 let html_page = undefined;
@@ -160,8 +161,10 @@ app.on('window-all-closed', () => {
 ipcMain.handle('write-file', async (event, fileName, content) => {
     try {
         let filePath = path.join(__dirname, '..', '..', fileName);
+        await lockFile(filePath);
         await fs.promises.writeFile(filePath, content);
         await encryptFileInPlace(filePath);
+        await unlockFile(filePath)
         console.log(`File successfully written to ${filePath}`);
         return {success: true};
     } catch (error) {
@@ -173,8 +176,9 @@ ipcMain.handle('write-file', async (event, fileName, content) => {
 ipcMain.handle('delete-file', async (event, fileName) => {
     try {
         let filePath = path.join(__dirname, '..', '..', fileName);
-        console.log(filePath);
+
         await fs.promises.unlink(filePath);
+
         console.log(`File ${filePath} successfully deleted`);
         return {success: true};
     } catch (error) {
@@ -186,10 +190,12 @@ ipcMain.handle('delete-file', async (event, fileName) => {
 ipcMain.handle('read-file', async (event, fileName) => {
     try {
         let filePath = path.join(__dirname, '..', '..', fileName);
+        await lockFile(filePath);
         await decryptFileInPlace(filePath);
         const content = await fs.promises.readFile(filePath, 'utf-8');
 
         await encryptFileInPlace(filePath);
+        await unlockFile(filePath);
         return {success: true, content};
     } catch (error) {
         console.error('Error reading file:', error);
@@ -265,7 +271,6 @@ ipcMain.on('close-alert-window', () => {
 });
 
 //External processes
-
 ipcMain.handle('start-fetcher', async (event, args) => {
     if (fetcherProcess === null) {
         fetcherProcess = fork(path.join(__dirname, '..', '..', 'jobs', 'fetcher.js'), args, {silent: false});
@@ -276,46 +281,3 @@ ipcMain.handle('start-fetcher', async (event, args) => {
     }
     return true; // Indicate that the operation has started
 });
-
-// Handler to start the backup process
-ipcMain.handle('start-backup', async (event, args) => {
-    if (backupProcess === null) { // Should this be a unique variable for backupProcess instead?
-        backupProcess = fork(path.join(__dirname, '..', '..', 'jobs', 'backup.js'), args, { silent: false });
-        backupProcess.on('exit', () => {
-            backupProcess = null;
-            // Optionally, notify the renderer process that the backup has finished
-        });
-    }
-    return true; // Indicate that the operation has started
-});
-
-// Handler to start the decrypt-files process
-ipcMain.handle('start-decrypt-files', async (event, args) => {
-    const decryptFilesProcess = fork(path.join(__dirname, '..', '..', 'jobs', 'decrypt_files.js'), args, { silent: false });
-    decryptFilesProcess.on('exit', () => {
-        event.sender.send('decrypt-files-finished', true); // Notify renderer process
-    });
-    return true; // Indicate that the operation has started
-});
-
-// Handler to start the send_files process
-ipcMain.handle('start-send_files', async (event, args) => {
-    // This seems to duplicate the 'start-decrypt-files' process; assuming a different script is intended
-    const sendFilesProcess = fork(path.join(__dirname, '..', '..', 'jobs', 'send_files.js'), args, { silent: false });
-    sendFilesProcess.on('exit', () => {
-        event.sender.send('send-files-finished', true); // Notify renderer process
-    });
-    return true; // Indicate that the operation has started
-});
-
-// Handler to start the receiver process
-ipcMain.handle('start-receiver', async (event, args) => {
-    if (receiverProcess === null) {
-        receiverProcess = fork(path.join(__dirname, '..', '..', 'jobs', 'receiver.js'), args, { silent: false });
-        receiverProcess.on('exit', () => {
-            receiverProcess = null;
-            // Optionally, notify the renderer process that the receiver has finished
-        });
-    }
-    return true; // Indicate that the operation has started
-});

User/src/renderer/html/alert_modal.html

@@ -2,13 +2,13 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="stylesheet" href="../css/alert_modal.css">
+    <link href="../css/alert_modal.css" rel="stylesheet">
     <script src="../js/alert_modal.js"></script>
     <title>Alert Modal</title>
 </head>
 <body>
-    <div id="myModal" class="container">
+<div class="container" id="myModal">
     <div class="main_component">
         <div class="header">
             <!--Here goes the message-->

User/src/renderer/html/change_department.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/change_department.css">
+    <link href="../css/change_department.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/change_department.js"></script>
     <script src="../js/transition.js"></script>
@@ -15,7 +15,7 @@
 </head>
 <body onload="fadeIn()">
 <div class="container">
-    <form id="departmentForm" class="department-form">
+    <form class="department-form" id="departmentForm">
         <div class="department-form-title">
             <h2>Choose your department</h2>
             <hr>
@@ -24,8 +24,8 @@
 
         </div>
         <div class="department-form-footer">
-            <button id="back" type="button" name="back">Back</button>
+            <button id="back" name="back" type="button">Back</button>
-            <button id="submit" type="submit" name="submit">Submit</button>
+            <button id="submit" name="submit" type="submit">Submit</button>
         </div>
     </form>
 </div>

User/src/renderer/html/decrypting_files.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/sending_file_confirmation.css">
+    <link href="../css/sending_file_confirmation.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/transition.js"></script>
 
@@ -17,7 +17,7 @@
     <div class="header">
         <h1>SENDING THE FILE!</h1>
         <h2>PlEASE WAIT</h2>
-        <img src="../assets/loading.gif" alt="Description of GIF">
+        <img alt="Description of GIF" src="../assets/loading.gif">
 
     </div>
 </div>

User/src/renderer/html/ip_submit.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/ip_submit.css">
+    <link href="../css/ip_submit.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/ip_submit.js"></script>
     <script src="../js/transition.js"></script>
@@ -15,16 +15,16 @@
 </head>
 <body onload="fadeIn()">
 <div class="container">
-    <form id="ipForm" class="ip-form">
+    <form class="ip-form" id="ipForm">
         <div class="ip-form-title">
             <h2>IP Config</h2>
             <hr>
         </div>
         <div class="ip-form-content">
-            <input id="ipInput" type="text" name="ip" placeholder="192.168.x.x : Port">
+            <input id="ipInput" name="ip" placeholder="192.168.x.x : Port" type="text">
         </div>
         <div class="ip-form-footer">
-            <button id="submit" type="submit" name="submit">Submit</button>
+            <button id="submit" name="submit" type="submit">Submit</button>
         </div>
     </form>
 </div>

User/src/renderer/html/login.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/login.css">
+    <link href="../css/login.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/login.js"></script>
     <script src="../js/transition.js"></script>
@@ -19,18 +19,18 @@
         <h1>DO WE KNOW</h1>
         <h1>EACH OTHER?</h1>
     </div>
-    <form id="loginForm" class="login-form">
+    <form class="login-form" id="loginForm">
         <div class="login-form-title">
             <h2>Login</h2>
             <hr>
         </div>
         <div class="login-form-content">
-            <input type="email" name="email" placeholder="Email">
+            <input name="email" placeholder="Email" type="email">
-            <input type="password" name="password" placeholder="Password">
+            <input name="password" placeholder="Password" type="password">
         </div>
         <div class="login-form-footer">
-            <button id="signup" type="submit" name="signup">Sign Up</button>
+            <button id="signup" name="signup" type="submit">Sign Up</button>
-            <button id="submit" type="submit" name="submit">Submit</button>
+            <button id="submit" name="submit" type="submit">Submit</button>
         </div>
     </form>
 </div>

User/src/renderer/html/main_menu.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/main_menu.css">
+    <link href="../css/main_menu.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/main_menu.js"></script>
     <script src="../js/transition.js"></script>
@@ -15,13 +15,13 @@
 
 </head>
 <body onload="fadeIn()">
-<div id="overlay" class="overlay">
+<div class="overlay" id="overlay">
-    <form id="ceo_validation" class="ceo-validation-form">
+    <form class="ceo-validation-form" id="ceo_validation">
         <h2>CEO Authentication</h2>
-        <input type="password" id="ceo_password" placeholder="Enter CEO's password" required>
+        <input id="ceo_password" placeholder="Enter CEO's password" required type="password">
         <div class="form-actions">
-            <button type="button" id="back_button">Back</button>
+            <button id="back_button" type="button">Back</button>
-            <button type="submit" id="submit_button">Submit</button>
+            <button id="submit_button" type="submit">Submit</button>
         </div>
     </form>
 </div>
@@ -33,7 +33,7 @@
                 <h1 id="username_field"></h1>
                 <h2>Hope you have a productive day!</h2>
             </div>
-            <img src="../assets/user_1144760.png" alt="">
+            <img alt="" src="../assets/user_1144760.png">
         </div>
         <div class="left_block_content">
             <div class="left_block_buttons">
@@ -57,7 +57,7 @@
             <h1>NOTIFICATIONS</h1>
             <hr>
         </div>
-        <div id="notifications" class="notifications">
+        <div class="notifications" id="notifications">
 
         </div>
     </div>

User/src/renderer/html/profile.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/profile.css">
+    <link href="../css/profile.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/profile.js"></script>
     <script src="../js/transition.js"></script>
@@ -15,19 +15,19 @@
 </head>
 <body onload="fadeIn()">
 <div class="container">
-    <form id="profileForm" class="profile-form">
+    <form class="profile-form" id="profileForm">
         <div class="profile-form-title">
             <h2>Profile</h2>
             <hr>
         </div>
         <div class="profile-form-content">
-            <input type="email" name="email" placeholder="Email">
+            <input name="email" placeholder="Email" type="email">
-            <input type="text" name="username" placeholder="Username">
+            <input name="username" placeholder="Username" type="text">
-            <input type="password" name="password" placeholder="Password">
+            <input name="password" placeholder="Password" type="password">
         </div>
         <div class="profile-form-footer">
-            <button type="button" name="login">Back</button>
+            <button name="login" type="button">Back</button>
-            <button type="submit" name="submit">Submit</button>
+            <button name="submit" type="submit">Submit</button>
         </div>
     </form>
 </div>

User/src/renderer/html/sending_file_confirmation.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/sending_file_confirmation.css">
+    <link href="../css/sending_file_confirmation.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/transition.js"></script>
 
@@ -17,7 +17,7 @@
     <div class="header">
         <h1>SENDING THE FILE!</h1>
         <h2>PlEASE WAIT</h2>
-        <img src="../assets/loading.gif" alt="Description of GIF">
+        <img alt="Description of GIF" src="../assets/loading.gif">
 
     </div>
 </div>

User/src/renderer/html/share_file.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/share_file.css">
+    <link href="../css/share_file.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/share_file.js"></script>
     <script src="../js/transition.js"></script>
@@ -28,14 +28,14 @@
             </div>
         </div>
         <div class="left_block_content">
-            <button id="selectFile" type="button" name="select_file">Select</button>
+            <button id="selectFile" name="select_file" type="button">Select</button>
         </div>
         <div class="left_block_footer">
-            <button id="backButton" type="button" name="back">Back</button>
+            <button id="backButton" name="back" type="button">Back</button>
-            <button id="submitButton" type="submit" name="submit">Submit</button>
+            <button id="submitButton" name="submit" type="submit">Submit</button>
         </div>
     </div>
-    <form id="userDestForm" class="right_block">
+    <form class="right_block" id="userDestForm">
         <div class="choose_user_form_title">
             <h1>USERS</h1>
             <hr>

User/src/renderer/html/sign_up_confirmation.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/sign_up_confirmation.css">
+    <link href="../css/sign_up_confirmation.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/sign_up_confirmation.js"></script>
     <script src="../js/transition.js"></script>

User/src/renderer/html/sign_up_departments.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/sign_up_department.css">
+    <link href="../css/sign_up_department.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
 
     <script src="../js/sign_up_departments.js"></script>
     <script src="../js/transition.js"></script>
@@ -20,7 +20,7 @@
         <h1>ABOUT</h1>
         <h1>YOUR WORK</h1>
     </div>
-    <form id="signupForm" class="signup-form">
+    <form class="signup-form" id="signupForm">
         <div class="signup-form-title">
             <h2>Choose your department</h2>
             <hr>
@@ -29,8 +29,8 @@
             <!-- add the list query for departments-->
         </div>
         <div class="signup-form-footer">
-            <button id="back" type="button" name="back">Back</button>
+            <button id="back" name="back" type="button">Back</button>
-            <button id="submit" type="submit" name="submit">Submit</button>
+            <button id="submit" name="submit" type="submit">Submit</button>
         </div>
     </form>
 </div>

User/src/renderer/html/sign_up_profile.html

@@ -2,11 +2,11 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <link rel="icon" href="../assets/hard-disk.ico" type="image/x-icon">
+    <link href="../assets/hard-disk.ico" rel="icon" type="image/x-icon">
 
-    <link rel="stylesheet" href="../css/transition.css">
+    <link href="../css/transition.css" rel="stylesheet">
-    <link rel="stylesheet" href="../css/sing_up_profile.css">
+    <link href="../css/sing_up_profile.css" rel="stylesheet">
 
     <script src="../js/sign_up_profile.js"></script>
     <script src="../js/transition.js"></script>
@@ -19,19 +19,19 @@
         <h1>LET US MEET</h1>
         <h1>EACH OTHER</h1>
     </div>
-    <form id="signupForm" class="signup-form">
+    <form class="signup-form" id="signupForm">
         <div class="signup-form-title">
             <h2>Sign Up</h2>
             <hr>
         </div>
         <div>
-            <input type="email" name="email" placeholder="Email">
+            <input name="email" placeholder="Email" type="email">
-            <input type="text" name="name" placeholder="Username">
+            <input name="name" placeholder="Username" type="text">
-            <input type="password" name="password" placeholder="Password">
+            <input name="password" placeholder="Password" type="password">
         </div>
         <div class="signup-form-footer">
-            <button id="login" type="button" name="login">Login</button>
+            <button id="login" name="login" type="button">Login</button>
-            <button id="continue" type="submit" name="submit">Continue</button>
+            <button id="continue" name="submit" type="submit">Continue</button>
         </div>
     </form>
 </div>

User/src/renderer/js/login.js

@@ -32,9 +32,11 @@ document.addEventListener('DOMContentLoaded', async function () {
                         email: email,
                         password: password
                     })
-                }).then(response => {
+                }).then(async response => {
                     if (response.ok) {
                         fadeOut('main_menu.html');
+                    } else {
+                        await window.electronAPI.deleteFile('loginData.json');
                     }
                 }).catch(error => {
                     console.error(error);
@@ -80,8 +82,8 @@ document.addEventListener('DOMContentLoaded', async function () {
 
             return response.json();
         }).then(async data => {
-            console.log(data)
+            data.data.password = password
-            await window.electronAPI.writeFile('loginData.json', JSON.stringify(responseBody.message, null, 2));
+            await window.electronAPI.writeFile('loginData.json', JSON.stringify(data.data, null, 2));
             fadeOut('main_menu.html');
         })
             .catch(async error => {
@@ -90,4 +92,8 @@ document.addEventListener('DOMContentLoaded', async function () {
                     .catch(error => console.error('Error showing alert:', error));
             })
     });
+
+    function delayWithTimeout(ms) {
+        return new Promise(resolve => setTimeout(resolve, ms));
+    }
 });

User/usersInSystem.json

@@ -0,0 +1,2 @@
+sТH╙╪щ░|W`щ─vЗ/кфф■]аr┼╞╕'=З└╦ь^≤u⌠о╪р.м/о┤чPI≤
л≈	Xчzйы+чCw═В	╕EЩЛ╜╛КИ0Ч2└P╧К[╕Ж©┘Ё/
+А+∙▌╣;8║╬"Ш&┴▐БnЛB}░юeDЕ-Ю$b╡~©JBНVhРаЭ␍C+r▓g
&аh:ИV∙Д*╥y8В<␍{╟оnY!щy>OсШ ╠OДd┬┘≤┌iц├. lDY)÷Х─┤÷СЮ┌│;╚╒УЯ& зУ+А\wШГ╒}ЧB°Я©Сsь╠©▌╚╨╟#©┌▌=∙М╥▌X⌠⌠а╢uёы╤╓qЛcud╖ш╜е ╪q┼└d╗©O╣Iу