public code v1

manager/core

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+../core

manager/index.js

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+require('dotenv').config()
+const { Express } = require("./core/Express");
+const { promisePostRequest, promiseDeleteRequest } = require('./core/httpClient')
+const { v4: uuidv4 } = require('uuid');
+const { generateKeyPairSync, createHash } = require("node:crypto");
+const toBytes = (string) => Array.from(Buffer.from(string, 'utf8'));
+
+
+const express = new Express(process.env.PORT_MANAGER, "Manager")
+express.get('/', async (_, res) => {
+    res.send('Service is alive')
+});
+
+express.post('/registerDevice', (req, res) => {
+    if (!req.body.token || req.body.token !== process.env.API_TOKEN_MANAGER) {
+        res.status(401).send('Not authorized');
+    } else {
+        let device = req.body.device;
+        let type = req.body.type;
+        let serialNumber = req.body.serialNumber;
+        let creationDatetime = req.body.creationDatetime;
+
+        if (device) {
+            console.log("New device received: " + device);
+            // send to storage
+            let message = {
+                key: device,
+                value: {
+                    device: device,
+                    type: type,
+                    serialNumber: serialNumber,
+                    creationDatetime: creationDatetime
+                }
+            };
+
+            let body = {
+                token: process.env.API_TOKEN_STORAGE,
+                message: message
+            };
+
+            promisePostRequest(process.env.INTERNAL_URL_STORAGE_DEVICES, body);
+
+            res.status(200).send("Successfully registered");
+
+        } else {
+            res.status(403).send("Bad request");
+        }
+    }
+});
+
+express.post('/newEvent',async (req, res) => {
+    if (!req.body.token || req.body.token !== process.env.API_TOKEN_MANAGER) {
+        res.status(401).send('Not authorized');
+    } else {
+        let type = req.body.type;
+        let value = req.body.value;
+        let device = req.body.device;
+
+        console.log("New event received: " + type + " // " + value + " // " + device);
+
+        let message = {
+            key: uuidv4(),
+            value: {
+                type: type,
+                value: value,
+                device: device,
+                creationDatetime: new Date().getTime()
+            }
+        };
+
+        message = signDataSource(message);
+
+        // Store event on Storage as Captured
+        let body = {
+            token: process.env.API_TOKEN_STORAGE,
+            message: message
+        };
+
+        let storedMessage = await promisePostRequest(process.env.INTERNAL_URL_STORAGE_EVENTS, body);
+
+        // Verify event
+        body.message = storedMessage;
+        body.token = process.env.API_TOKEN_VERIFIER;
+
+        let verifiedMessage = await promisePostRequest(process.env.INTERNAL_URL_VERIFIER_VERIFY, body);
+
+        // Store event on Storage as Verified
+        body.message = verifiedMessage;
+        body.token = process.env.API_TOKEN_STORAGE;
+
+        let storedVerifiedMessage = await promisePostRequest(process.env.INTERNAL_URL_STORAGE_EVENTS, body);
+
+        // Publish event
+        body.message = storedVerifiedMessage;
+        body.token = process.env.API_TOKEN_PUBLISHER;
+        let publishedMessage = await promisePostRequest(process.env.INTERNAL_URL_PUBLISHER_PUBLISH, body);
+
+        body.token = process.env.API_TOKEN_STORAGE;
+
+        // Delete event from Storage
+        promiseDeleteRequest(process.env.INTERNAL_URL_STORAGE_EVENTS + "/" + publishedMessage.key, body);
+
+        res.status(200).send('Event processed');
+    }
+});
+
+function signDataSource(message) {
+
+    const hash = createHash('sha256').update(message.value.device + 'Phonendo').digest('hex');
+
+    const bytes = toBytes(hash);
+
+    return message;
+}
+
+express.run();

manager/package-lock.json

@@ -0,0 +1,42 @@
+{
+  "name": "manager",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "manager",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "dotenv": "^16.0.3",
+        "uuid4": "^2.0.3"
+      }
+    },
+    "node_modules/dotenv": {
+      "version": "16.0.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
+      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/uuid4": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/uuid4/-/uuid4-2.0.3.tgz",
+      "integrity": "sha512-CTpAkEVXMNJl2ojgtpLXHgz23dh8z81u6/HEPiQFOvBc/c2pde6TVHmH4uwY0d/GLF3tb7+VDAj4+2eJaQSdZQ=="
+    }
+  },
+  "dependencies": {
+    "dotenv": {
+      "version": "16.0.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
+      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ=="
+    },
+    "uuid4": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/uuid4/-/uuid4-2.0.3.tgz",
+      "integrity": "sha512-CTpAkEVXMNJl2ojgtpLXHgz23dh8z81u6/HEPiQFOvBc/c2pde6TVHmH4uwY0d/GLF3tb7+VDAj4+2eJaQSdZQ=="
+    }
+  }
+}

manager/package.json

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+{
+  "name": "manager",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "dotenv": "^16.0.3",
+    "uuid4": "^2.0.3"
+  }
+}