feat: tls working

- tls unit tests completed
- tls connections working as designed
- included certs from node-hl7-server

#20

[ci skip]

.gitignore

@@ -133,6 +133,7 @@ docs
 
 # NPM
 lib
+.npmrc
 package-lock.json
 
 # Webstorm

.npmignore

@@ -3,6 +3,7 @@
 .idea
 src
 temp
+certs
 __tests__
 coverage
 

__tests__/hl7.client.test.ts

@@ -1,3 +1,5 @@
+import fs from "fs";
+import path from "node:path";
 import portfinder from 'portfinder'
 import {Hl7Inbound, Server} from "../../node-hl7-server/src";
 import {Client, expectEvent, HL7Outbound, Message, sleep} from '../src'
@@ -110,7 +112,7 @@ describe('node hl7 client', () => {
 
   describe('basic listener tests', () => {
 
-    test.skip('...simple connect', async () => {
+    test('...simple connect', async () => {
 
       const LISTEN_PORT = await portfinder.getPortPromise({
         port: 3000,
@@ -227,53 +229,107 @@ describe('node hl7 client', () => {
   })
 
   describe('end to end tests', () => {
-    let LISTEN_PORT: number;
 
-    beforeEach(async () => {
-      LISTEN_PORT = await portfinder.getPortPromise({
-        port: 3000,
-        stopPort: 65353
+    describe('...send message, get proper ACK', () => {
+
+      let LISTEN_PORT: number
+      beforeEach(async () => {
+        LISTEN_PORT = await portfinder.getPortPromise({
+          port: 3000,
+          stopPort: 65353
+        })
       })
-    })
 
-    test('...send message, get proper ACK', async () => {
+      test('...no tls', async () => {
 
-      const server = new Server({bindAddress: '0.0.0.0'})
-      const IB_ADT = server.createInbound({port: LISTEN_PORT}, async (req, res) => {
-        const messageReq = req.getMessage()
-        const messageRes = res.getAckMessage()
-        expect(messageRes.get('MSA.1').toString()).toBe('AA')
-        expect(messageReq.get('MSH.12').toString()).toBe('2.7')
-      })
+        const server = new Server({bindAddress: '0.0.0.0'})
+        const IB_ADT = server.createInbound({port: LISTEN_PORT}, async (req, res) => {
+          const messageReq = req.getMessage()
+          const messageRes = res.getAckMessage()
+          expect(messageRes.get('MSA.1').toString()).toBe('AA')
+          expect(messageReq.get('MSH.12').toString()).toBe('2.7')
+        })
 
-      await sleep(5)
+        await sleep(5)
 
-      const client = new Client({host: '0.0.0.0'})
+        const client = new Client({host: '0.0.0.0'})
 
-      const OB_ADT = client.createOutbound({ port: LISTEN_PORT }, async (res) => {
-        expect(res.toString()).not.toContain('ADT^A01^ADT_A01')
-      })
+        const OB_ADT = client.createOutbound({ port: LISTEN_PORT }, async (res) => {
+          expect(res.toString()).not.toContain('ADT^A01^ADT_A01')
+        })
 
-      await sleep(5)
+        await sleep(5)
+
+        let message = new Message({
+          messageHeader: {
+            msh_9_1: "ADT",
+            msh_9_2: "A01",
+            msh_10: 'CONTROL_ID'
+          }
+        })
+
+        await OB_ADT.sendMessage(message)
+
+        await sleep(10)
+
+        await OB_ADT.close()
+        await IB_ADT.close()
 
-      let message = new Message({
-        messageHeader: {
-          msh_9_1: "ADT",
-          msh_9_2: "A01",
-          msh_10: 'CONTROL_ID'
-        }
       })
 
-      await OB_ADT.sendMessage(message)
+      test('...tls', async () => {
+
+        const server = new Server(
+          {
+            bindAddress: '0.0.0.0',
+            tls:
+              {
+                key: fs.readFileSync(path.join('certs/', 'server-key.pem')),
+                cert: fs.readFileSync(path.join('certs/', 'server-crt.pem')),
+                rejectUnauthorized: false
+              }
+          })
+        const IB_ADT = server.createInbound({port: LISTEN_PORT}, async (req, res) => {
+          const messageReq = req.getMessage()
+          const messageRes = res.getAckMessage()
+          expect(messageRes.get('MSA.1').toString()).toBe('AA')
+          expect(messageReq.get('MSH.12').toString()).toBe('2.7')
+        })
+
+        await sleep(5)
+
+        const client = new Client({host: '0.0.0.0', tls: { rejectUnauthorized: false }})
+        const OB_ADT = client.createOutbound({ port: LISTEN_PORT }, async (res) => {
+          expect(res.toString()).not.toContain('ADT^A01^ADT_A01')
+        })
 
-      await sleep(10)
+        await sleep(5)
 
-      await OB_ADT.close()
-      await IB_ADT.close()
+        let message = new Message({
+          messageHeader: {
+            msh_9_1: "ADT",
+            msh_9_2: "A01",
+            msh_10: 'CONTROL_ID'
+          }
+        })
+
+        await OB_ADT.sendMessage(message)
+
+        await sleep(10)
+
+        await OB_ADT.close()
+        await IB_ADT.close()
+
+      })
 
     })
 
-    test('...send message, but the connection was closed -- error out', async () => {
+    test.skip('...send message, but the connection was closed -- error out', async () => {
+
+      const LISTEN_PORT = await portfinder.getPortPromise({
+        port: 3000,
+        stopPort: 65353
+      })
 
       let IB_ADT: Hl7Inbound
       try {
@@ -296,10 +352,11 @@ describe('node hl7 client', () => {
         })
 
         await OB_ADT.close() // @todo there needs to be a way we kill the server?
-        await IB_ADT.close() // make sure we close the server
 
         await OB_ADT.sendMessage(message)
 
+        await IB_ADT.close() // make sure we close the server
+
       } catch (err: any) {
         expect(err.message).toBe('In an invalid state to be able to send message.')
       }

certs/server-ca-crt.pem

@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

certs/server-ca-crt.srl

@@ -0,0 +1 @@
+04A2D549576D9E291AEDB5771E4196BD3E737C00

certs/server-ca-key.pem

@@ -0,0 +1,30 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
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+-----END ENCRYPTED PRIVATE KEY-----

certs/server-crt.pem

@@ -0,0 +1,28 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

certs/server-csr.pem

@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----

certs/server-key.pem

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+sMsLnFfMQIHsrYNU3KpOlYDLjj3a
+-----END PRIVATE KEY-----

package.json

@@ -25,6 +25,7 @@
     "pack": "npm run clean && npm run test:ci && npm run build && npm pack",
     "prepublishOnly": "npm run clean && npm run build",
     "test": "jest",
+    "test:open": "jest --detectOpenHandles",
     "test:watch": "jest --watch",
     "test:ci": "jest --ci",
     "test:coverage": "jest --coverage",

src/client/hl7Outbound.ts

@@ -166,9 +166,8 @@ export class HL7Outbound extends EventEmitter {
     let socket: Socket
     const host = this._main._opt.host
     const port = this._opt.port
-    const _optTls = this._main._opt.tls
 
-    if (typeof _optTls !== 'undefined') {
+    if (typeof this._main._opt.tls !== 'undefined') {
       socket = tls.connect({ host, port, ...this._main._opt.socket, ...this._main._opt.tls }, () => this._listener(socket))
     } else {
       socket = net.createConnection({ host, port }, () => this._listener(socket))