password complete (#57)

Reviewed-on: #57
Co-authored-by: DhanshCOSQ <dhanshas@cosq.net>
Co-committed-by: DhanshCOSQ <dhanshas@cosq.net>

.gitignore

@@ -26,6 +26,9 @@ pids
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
 
+# Private key
+/functions/assets/keys/fitLien_private.pem
+
 # Coverage directory used by tools like istanbul
 coverage
 

functions/package-lock.json

@@ -31,7 +31,7 @@
       "devDependencies": {
         "@types/long": "^5.0.0",
         "@types/mime-types": "^2.1.4",
-        "@types/node": "^22.13.14",
+        "@types/node": "^22.15.31",
         "@types/pdfmake": "^0.2.11",
         "@types/xmldom": "^0.1.34",
         "firebase-functions-test": "^3.1.0",
@@ -2831,9 +2831,10 @@
       "integrity": "sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA=="
     },
     "node_modules/@types/node": {
-      "version": "22.15.2",
+      "version": "22.15.31",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.2.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.31.tgz",
-      "integrity": "sha512-uKXqKN9beGoMdBfcaTY1ecwz6ctxuJAcUlwE55938g0ZJ8lRxwAZqRz2AJ4pzpt5dHdTPMB863UZ0ESiFUcP7A==",
+      "integrity": "sha512-jnVe5ULKl6tijxUhvQeNbQG/84fHfg+yMak02cT8QVhBx/F05rAVxCGBYYTh2EKz22D6JF5ktXuNwdx7b9iEGw==",
+      "license": "MIT",
       "dependencies": {
         "undici-types": "~6.21.0"
       }

functions/package.json

@@ -38,7 +38,7 @@
   "devDependencies": {
     "@types/long": "^5.0.0",
     "@types/mime-types": "^2.1.4",
-    "@types/node": "^22.13.14",
+    "@types/node": "^22.15.31",
     "@types/pdfmake": "^0.2.11",
     "@types/xmldom": "^0.1.34",
     "firebase-functions-test": "^3.1.0",

functions/src/dooraccess/essl.ts

@@ -5,7 +5,7 @@ import { Response } from "express";
 import { getCorsHandler } from "../shared/middleware";
 import { getLogger } from "../shared/config";
 import { DOMParser } from 'xmldom';
-
+import { RSADecryption } from "../shared/decrypt";
 const logger = getLogger();
 const corsHandler = getCorsHandler();
 
@@ -30,6 +30,13 @@ export interface UpdateEmployeeExRequest {
     employeePhoto: string;
 }
 
+function getDecryptedPassword(password: string | null): string {
+    if (!password) {
+        throw new Error('Password is required');
+    }
+    return RSADecryption.decryptPassword(password);
+}
+
 const escapeXml = (str: string) => {
     return str
         .replace(/&/g, '&')
@@ -324,7 +331,6 @@ export const esslGetUserDetails = onRequest({
             let password: string | null = request.body.password as string;
             let endpoint: string | null = request.body.endpoint as string;
             let gymId: string | null = request.body.gymId as string;
-
             const getEmployeeDetailsRequest = request.body.params as EmployeeCodeRequest;
 
             if (!username) {
@@ -336,8 +342,9 @@ export const esslGetUserDetails = onRequest({
                     throw new Error('Missing password or gymId');
                 }
                 // todo: Get password from gym configuration by decrypting with private key
+                throw new Error('Gym-based password retrieval not implemented yet');
             }
-            password = password.trim();
+            password = getDecryptedPassword(password);
             if (!getEmployeeDetailsRequest) {
                 throw new Error('Missing request params');
             }
@@ -380,18 +387,21 @@ export const esslUpdateUser = onRequest({
             let password: string | null = request.body.password as string;
             let endpoint: string | null = request.body.endpoint as string;
             let gymId: string | null = request.body.gymId as string;
-
             const updateEmployeeExRequest = request.body.params as UpdateEmployeeExRequest;
+
             if (!username) {
-                throw new Error('Missing username or password');
+                throw new Error('Missing username');
             }
             username = username.trim();
+
             if (!password) {
                 if (!gymId) {
                     throw new Error('Missing password or gymId');
                 }
-                // todo: Get password from gym configuration by decrypting with private key
+                // TODO: Get password from gym configuration by decrypting with private key
+                throw new Error('Gym-based password retrieval not implemented yet');
             }
+            password = getDecryptedPassword(password);
             if (!endpoint) {
                 throw new Error('Missing endpoint');
             }
@@ -426,112 +436,125 @@ export const esslDeleteUser = onRequest({
     region: '#{SERVICES_RGN}#'
 }, async (request: Request, response: Response) => {
     return corsHandler(request, response, async () => {
-        let username: string | null = request.body.username as string;
-        let password: string | null = request.body.password as string;
-        let endpoint: string | null = request.body.endpoint as string;
-        let gymId: string | null = request.body.gymId as string;
-
-        const getEmployeeDetailsRequest = request.body.params as EmployeeCodeRequest;
-
-        if (!username) {
-            throw new Error('Missing username or password');
-        }
-        username = username.trim();
-        if (!password) {
-            if (!gymId) {
-                throw new Error('Missing password or gymId');
-            }
-            // todo: Get password from gym configuration by decrypting with private key
-        }
-        password = password.trim();
-        if (!getEmployeeDetailsRequest) {
-            throw new Error('Missing request params');
-        }
-        const employeeCode = getEmployeeDetailsRequest.employeeCode;
-        if (!employeeCode) {
-            throw new Error('Missing employeeCode');
-        }
-        if (!endpoint) {
-            throw new Error('Missing endpoint');
-        }
-        if (!endpoint || endpoint.trim() === '') {
-            throw new Error('Missing endpoint');
-        }
         try {
-            new URL(endpoint);
+            let username: string | null = request.body.username as string;
-        } catch (_) {
+            let password: string | null = request.body.password as string;
-            throw new Error('Endpoint is not a valid URI or URL');
+            let endpoint: string | null = request.body.endpoint as string;
-        }
+            let gymId: string | null = request.body.gymId as string;
-        if (!endpoint.endsWith('/webservice.asmx')) {
+            const getEmployeeDetailsRequest = request.body.params as EmployeeCodeRequest;
-            if (endpoint.endsWith('/')) {
+
-                endpoint = endpoint.substring(0, endpoint.length - 1);
+            if (!username) {
+                throw new Error('Missing username');
             }
-            endpoint += '/webservice.asmx';
+            username = username.trim();
+
+            if (!password) {
+                if (!gymId) {
+                    throw new Error('Missing password or gymId');
+                }
+                // TODO: Get password from gym configuration by decrypting with private key
+                throw new Error('Gym-based password retrieval not implemented yet');
+            }
+            password = getDecryptedPassword(password);
+            if (!getEmployeeDetailsRequest) {
+                throw new Error('Missing request params');
+            }
+            const employeeCode = getEmployeeDetailsRequest.employeeCode;
+            if (!employeeCode) {
+                throw new Error('Missing employeeCode');
+            }
+            if (!endpoint) {
+                throw new Error('Missing endpoint');
+            }
+            if (!endpoint || endpoint.trim() === '') {
+                throw new Error('Missing endpoint');
+            }
+            try {
+                new URL(endpoint);
+            } catch (_) {
+                throw new Error('Endpoint is not a valid URI or URL');
+            }
+            if (!endpoint.endsWith('/webservice.asmx')) {
+                if (endpoint.endsWith('/')) {
+                    endpoint = endpoint.substring(0, endpoint.length - 1);
+                }
+                endpoint += '/webservice.asmx';
+            }
+            const result = await deleteEmplyee(username, password, employeeCode, endpoint);
+            response.send(result);
+        } catch (error: any) {
+            logger.error(error);
+            response.status(500).send({ error: error.message });
         }
-        const result = await deleteEmplyee(username, password, employeeCode, endpoint);
-        response.send(result);
     });
 });
 
+
 export const esslGetEmployeePunchLogs = onRequest({
     region: '#{SERVICES_RGN}#'
 }, async (request: Request, response: Response) => {
     return corsHandler(request, response, async () => {
-        let username: string | null = request.body.username as string;
-        let password: string | null = request.body.password as string;
-        let endpoint: string | null = request.body.endpoint as string;
-        let gymId: string | null = request.body.gymId as string;
-
-        const pushLogRequst = request.body.params as PushLogRequest;
-
-        if (!username) {
-            throw new Error('Missing username or password');
-        }
-        username = username.trim();
-        if (!password) {
-            if (!gymId) {
-                throw new Error('Missing password or gymId');
-            }
-            // todo: Get password from gym configuration by decrypting with private key
-        }
-        password = password.trim();
-        if (!pushLogRequst) {
-            throw new Error('Missing request params');
-        }
-        const employeeCode = pushLogRequst.employeeCode;
-        if (!employeeCode) {
-            throw new Error('Missing employeeCode');
-        }
-        const attendanceDate = pushLogRequst.attendanceDate;
-        if (!attendanceDate) {
-            throw new Error('Missing attendanceDate');
-        }
-        const isValidDate = /^\d{4}-\d{2}-\d{2}$/;
-        if (!attendanceDate.match(isValidDate)) {
-            throw new Error('attendanceDate is not in the valid format YYYY-MM-DD');
-        }
-        if (!endpoint) {
-            throw new Error('Missing endpoint');
-        }
-        if (!endpoint || endpoint.trim() === '') {
-            throw new Error('Missing endpoint');
-        }
         try {
-            new URL(endpoint);
+            let username: string | null = request.body.username as string;
-        } catch (_) {
+            let password: string | null = request.body.password as string;
-            throw new Error('Endpoint is not a valid URI or URL');
+            let endpoint: string | null = request.body.endpoint as string;
-        }
+            let gymId: string | null = request.body.gymId as string;
-        if (!endpoint.endsWith('/webservice.asmx')) {
+            const pushLogRequst = request.body.params as PushLogRequest;
-            if (endpoint.endsWith('/')) {
+
-                endpoint = endpoint.substring(0, endpoint.length - 1);
+            if (!username) {
+                throw new Error('Missing username');
             }
-            endpoint += '/webservice.asmx';
+            username = username.trim();
+
+            if (!password) {
+                if (!gymId) {
+                    throw new Error('Missing password or gymId');
+                }
+                // TODO: Get password from gym configuration by decrypting with private key
+                throw new Error('Gym-based password retrieval not implemented yet');
+            }
+            password = getDecryptedPassword(password);
+            if (!pushLogRequst) {
+                throw new Error('Missing request params');
+            }
+            const employeeCode = pushLogRequst.employeeCode;
+            if (!employeeCode) {
+                throw new Error('Missing employeeCode');
+            }
+            const attendanceDate = pushLogRequst.attendanceDate;
+            if (!attendanceDate) {
+                throw new Error('Missing attendanceDate');
+            }
+            const isValidDate = /^\d{4}-\d{2}-\d{2}$/;
+            if (!attendanceDate.match(isValidDate)) {
+                throw new Error('attendanceDate is not in the valid format YYYY-MM-DD');
+            }
+            if (!endpoint) {
+                throw new Error('Missing endpoint');
+            }
+            if (!endpoint || endpoint.trim() === '') {
+                throw new Error('Missing endpoint');
+            }
+            try {
+                new URL(endpoint);
+            } catch (_) {
+                throw new Error('Endpoint is not a valid URI or URL');
+            }
+            if (!endpoint.endsWith('/webservice.asmx')) {
+                if (endpoint.endsWith('/')) {
+                    endpoint = endpoint.substring(0, endpoint.length - 1);
+                }
+                endpoint += '/webservice.asmx';
+            }
+            const result = await getEmployeePunchLogs(username,
+                password,
+                employeeCode,
+                attendanceDate,
+                endpoint);
+            response.send(result);
+        } catch (error: any) {
+            logger.error(error);
+            response.status(500).send({ error: error.message });
         }
-        const result = await getEmployeePunchLogs(username,
-            password,
-            employeeCode,
-            attendanceDate,
-            endpoint);
-        response.send(result);
     });
-});
+});

functions/src/shared/decrypt.ts

@@ -0,0 +1,51 @@
+import * as crypto from 'crypto';
+import * as fs from 'fs';
+import * as path from 'path';
+
+export class RSADecryption {
+    private static privateKeyObject: crypto.KeyObject | null = null;
+
+    private static getPrivateKeyObject(): crypto.KeyObject {
+        if (!this.privateKeyObject) {
+            const keyPath = path.join(__dirname, '../../assets/keys/fitLien_private.pem');
+            const keyContent = fs.readFileSync(keyPath, 'utf8');
+            this.privateKeyObject = crypto.createPrivateKey({
+                key: keyContent,
+                format: 'pem'
+            });
+        }
+        return this.privateKeyObject;
+    }
+
+    public static decryptPassword(encryptedPassword: string): string {
+        try {
+            if (!encryptedPassword || encryptedPassword.trim() === '') {
+                throw new Error('Encrypted password cannot be empty');
+            }
+
+            const privateKeyObject = this.getPrivateKeyObject();
+            const encryptedBuffer = Buffer.from(encryptedPassword, 'base64');
+
+            if (encryptedBuffer.length === 0) {
+                throw new Error('Encrypted password buffer is empty');
+            }
+
+            const decryptedBuffer = crypto.privateDecrypt(
+                {
+                    key: privateKeyObject,
+                    padding: crypto.constants.RSA_PKCS1_OAEP_PADDING,
+                    oaepHash: 'sha1'
+                },
+                encryptedBuffer
+            );
+
+            return decryptedBuffer.toString('utf8');
+        } catch (error) {
+            console.error('Decryption error details:', {
+                message: error instanceof Error ? error.message : 'Unknown error',
+                encryptedPasswordLength: encryptedPassword?.length || 0
+            });
+            throw new Error(`Failed to decrypt password: ${error instanceof Error ? error.message : 'Unknown error'}`);
+        }
+    }
+}