Feat/improve parse host ports (#149)

* Move parseHostPorts to utils and cover with test suite

* fix tabs

* comment pre commit hook

* add test

* wip

* remove only

* fix 2 critical, 12 high vulnerabilities via npm audit fix

---------

Co-authored-by: Markus Frindt <m.frindt@cognigy.com>

.husky/pre-commit

@@ -1,4 +1,5 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
+# npm audit fix || true
 # npm run jslint

app.js

@@ -37,7 +37,7 @@ const {
 const StatsCollector = require('@jambonz/stats-collector');
 const CIDRMatcher = require('cidr-matcher');
 const stats = new StatsCollector(logger);
-const {equalsIgnoreOrder, createHealthCheckApp, systemHealth} = require('./lib/utils');
+const {equalsIgnoreOrder, createHealthCheckApp, systemHealth, parseHostPorts} = require('./lib/utils');
 const {LifeCycleEvents} = require('./lib/constants');
 const setNameRtp = `${(process.env.JAMBONES_CLUSTER_ID || 'default')}:active-rtp`;
 const rtpServers = [];
@@ -183,7 +183,7 @@ if (process.env.DRACHTIO_HOST && !process.env.K8S) {
         srf.locals.addToRedis();
       }
     }
-    srf.locals.sbcPublicIpAddress = parseHostPorts(hostports);
+    srf.locals.sbcPublicIpAddress = parseHostPorts(logger, hostports, srf);
   });
 }
 else {
@@ -207,7 +207,7 @@ else {
         }
       }
     }
-    srf.locals.sbcPublicIpAddress = parseHostPorts(hp.split(','));
+    srf.locals.sbcPublicIpAddress = parseHostPorts(logger, hp, srf);
   });
 }
 if (process.env.NODE_ENV === 'test') {
@@ -364,50 +364,4 @@ function handle(removeFromSet, setName, signal) {
   }
 }
 
-const parseHostPorts = (hostports) => {
-  let obj = {};
-  logger.info({hostports}, 'sip endpoints');
-  for (const hp of hostports) {
-    const arr = /^(.*)\/(.*):(\d+)$/.exec(hp);
-    if (arr) {
-      const ipv4 = arr[2];
-      const port = arr[3];
-      switch (arr[1]) {
-        case 'udp':
-          obj = {
-            ...obj,
-            udp: `${ipv4}:${port}`
-          };
-          break;
-        case 'tcp':
-          obj = {
-            ...obj,
-            tcp: `${ipv4}:${port}`
-          };
-          break;
-        case 'tls':
-          obj = {
-            ...obj,
-            tls: `${ipv4}:${port}`
-          };
-          break;
-        case 'wss':
-          obj = {
-            ...obj,
-            wss: `${ipv4}:${port}`
-          };
-          break;
-      }
-    }
-    if (!obj.tls) {
-      obj.tls = `${srf.locals.sipAddress}:5061`;
-    }
-    if (!obj.tcp) {
-      obj.tcp = `${srf.locals.sipAddress}:5060`;
-    }
-  }
-  logger.info({obj}, 'sip endpoints');
-  return obj;
-};
-
 module.exports = {srf, logger};

lib/call-session.js

@@ -225,7 +225,7 @@ class CallSession extends Emitter {
       // set Contact header based on scenario, and transport protocol
       let responseHeaders = {};
       if (isPrivateVoipNetwork(this.req.source_address)) {
-        this.contactHeader = `<${scheme}:${this.privateSipAddress}>;transport=${this.req.protocol}`;
+        this.contactHeader = `<${scheme}:${this.privateSipAddress};transport=${this.req.protocol}>`;
         responseHeaders = {
           ...responseHeaders,
           'Contact': this.contactHeader
@@ -243,7 +243,7 @@ class CallSession extends Emitter {
       }
       else {
         const hostport = this.srf.locals.sbcPublicIpAddress[this.req.protocol];
-        this.contactHeader = `<${scheme}:${hostport}>;transport=${this.req.protocol}`;
+        this.contactHeader = `<${scheme}:${hostport};transport=${this.req.protocol}>`;
         responseHeaders = {
           ...responseHeaders,
           'Contact': this.contactHeader

lib/utils.js

@@ -145,7 +145,8 @@ const nudgeCallCounts = async(logger, sids, nudgeOperator, writers) => {
     const [callsSP, calls, callsApp] = await Promise.all(nudges);
     logger.debug({
       calls, callsSP, callsApp,
-      service_provider_sid, account_sid, application_sid}, 'call counts after adjustment');
+      service_provider_sid, account_sid, application_sid
+    }, 'call counts after adjustment');
     if (process.env.JAMBONES_TRACK_SP_CALLS) {
       writes.push(writeCallCountSP({ service_provider_sid, calls_in_progress: callsSP }));
     }
@@ -155,7 +156,11 @@ const nudgeCallCounts = async(logger, sids, nudgeOperator, writers) => {
     }
 
     if (process.env.JAMBONES_TRACK_APP_CALLS && application_sid) {
-      writes.push(writeCallCountApp({service_provider_sid, account_sid, application_sid, calls_in_progress: callsApp}));
+      writes.push(writeCallCountApp({
+        service_provider_sid,
+        account_sid, application_sid,
+        calls_in_progress: callsApp
+      }));
     }
 
     /* write the call counts to the database */
@@ -204,6 +209,31 @@ const isPrivateVoipNetwork = (ip) => {
   return false;
 };
 
+/**
+ * @param hostports can be a string or an array of hostports
+ */
+const parseHostPorts = (logger, hostports, srf) => {
+  typeof hostports === 'string' && (hostports = hostports.split(','));
+  const obj = {};
+  for (const hp of hostports) {
+    const [, protocol, ipv4, port] = hp.match(/^(.*)\/(.*):(\d+)$/);
+    if (protocol && ipv4 && port) {
+      obj[protocol] = `${ipv4}:${port}`;
+    }
+  }
+  if (!obj.tls) {
+    obj.tls = `${srf.locals.sipAddress}:5061`;
+  }
+
+  if (!obj.tcp) {
+    obj.tcp = `${srf.locals.sipAddress}:5060`;
+  }
+
+  logger.info({ obj }, 'sip endpoints');
+  return obj;
+};
+
+
 module.exports = {
   isWSS,
   SdpWantsSrtp,
@@ -221,5 +251,7 @@ module.exports = {
   roundTripTime,
   parseConnectionIp,
   isMSTeamsCIDR,
-  isPrivateVoipNetwork
+  isPrivateVoipNetwork,
+  parseHostPorts
 };
+

package.json

@@ -22,10 +22,11 @@
     "start": "node app",
     "test": "NODE_ENV=test HTTP_PORT=3050 JAMBONES_NETWORK_CIDR='127.0.0.1/32' JAMBONES_HOSTING=1 JWT_SECRET=foobarbazzle SBC_ACCOUNT_SID=ed649e33-e771-403a-8c99-1780eabbc803 JAMBONES_TIME_SERIES_HOST=127.0.0.1 JAMBONES_MYSQL_HOST=127.0.0.1 JAMBONES_MYSQL_USER=jambones_test JAMBONES_MYSQL_PASSWORD=jambones_test JAMBONES_MYSQL_DATABASE=jambones_test JAMBONES_REDIS_HOST=localhost JAMBONES_REDIS_PORT=16379 JAMBONES_LOGLEVEL=error DRACHTIO_SECRET=cymru DRACHTIO_HOST=127.0.0.1 DRACHTIO_PORT=9060 JAMBONES_RTPENGINES=127.0.0.1:12222 JAMBONES_FEATURE_SERVERS=172.38.0.11 node test/ ",
     "coverage": "./node_modules/.bin/nyc --reporter html --report-dir ./coverage npm run test",
-    "jslint": "eslint app.js lib"
+    "jslint": "eslint app.js lib",
+    "jslint:fix": "npm run jslint --fix"
   },
   "dependencies": {
-    "@jambonz/db-helpers": "^0.9.3",
+    "@jambonz/db-helpers": "^0.9.4",
     "@jambonz/http-health-check": "^0.0.1",
     "@jambonz/realtimedb-helpers": "^0.8.8",
     "@jambonz/rtpengine-utils": "^0.4.4",

test/index.js

@@ -2,3 +2,4 @@ require('./docker_start');
 require('./create-test-db');
 require('./sip-tests');
 require('./docker_stop');
+require('./utils');

test/utils.js

@@ -0,0 +1,89 @@
+const test = require('tape');
+const { parseHostPorts } = require('../lib/utils');
+const { parseUri } = require('drachtio-srf');
+
+process.on('unhandledRejection', (reason, p) => {
+  console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
+});
+
+const hostports = "tls/3.70.141.74:5061,wss/3.70.141.74:8443,tcp/3.70.141.74:5060,udp/3.70.141.74:5060";
+const hostportsNoTls = "wss/3.70.141.74:8443,tcp/3.70.141.74:5060,udp/3.70.141.74:5060";
+const logger = { info: (args) => console.log(args) };
+
+const srf = {
+  locals: {
+    sipAddress: '127.0.0.1'
+  }
+};
+
+test('utils tests - parseHostPorts', async (t) => {
+  try {
+    let obj = parseHostPorts(logger, hostports, srf);
+
+    const expected = {
+      tls: '3.70.141.74:5061',
+      wss: '3.70.141.74:8443',
+      tcp: '3.70.141.74:5060',
+      udp: '3.70.141.74:5060'
+    };
+
+    t.ok(obj.tls === expected.tls, 'sip endpoint tls');
+    t.ok(obj.wss === expected.wss, 'sip endpoint wss');
+    t.ok(obj.tcp === expected.tcp, 'sip endpoint tcp');
+    t.ok(obj.udp === expected.udp, 'sip endpoint udp');
+
+    obj = parseHostPorts(logger, hostportsNoTls.split(','), srf);
+
+    t.ok(obj.tls === '127.0.0.1:5061', 'sip endpoint tls');
+
+    t.end();
+  } catch (err) {
+    console.log(`error received: ${err}`);
+    t.error(err);
+  }
+});
+
+
+test('utils tests - parse URI user', async (t) => {
+  try {
+    let invalidUri = "sip:@202660.tenios.com";
+    const req = {
+      getParsedHeader: () => ({ uri: invalidUri })
+    };
+
+    const referTo = req.getParsedHeader('Refer-To');
+    let uri = parseUri(referTo.uri);
+    
+    const expected = {
+      family: "ipv4",
+      scheme: "sip",
+      user: "",
+      password: undefined,
+      host: "202660.tenios.com",
+      port: NaN,
+      params: {},
+      headers: {},
+    }
+
+    t.ok(uri.family === expected.family, 'family eq ipv4');
+    t.ok(uri.scheme === expected.scheme, 'scheme eq sip');
+    t.ok(uri.password === expected.password, 'pw eq undefined');
+    t.ok(uri.host === expected.host, 'host eq 202660.tenios.com');
+    t.ok(uri.user === "", 'user eq empty string');
+    t.ok(isNaN(uri.port), 'port eq NaN');
+    t.ok(typeof uri.params === 'object', 'params eq object');
+    t.ok(typeof uri.headers === 'object', 'headers eq object');
+
+    invalidUri = "<sip:@202660.tenios.com>";    
+    uri = parseUri(invalidUri);
+    /* TODO: uri can be undefined - check these conditions in call-session */
+    t.ok(uri === undefined, 'uri is undefined');
+
+    const validUri = "<sip:+49221578952870@202660.tenios.com>";
+
+    t.end();
+  } catch (err) {
+    console.log(`error received: ${err}`);
+    t.error(err);
+  }
+});