pass on displayName of From header if we get it (#82)

* pass on displayName of From header if we get it

* bump version

.github/workflows/docker-publish.yml

@@ -20,7 +20,7 @@ jobs:
     if: github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Build image
         run: docker build . --file Dockerfile --tag $IMAGE_NAME

.github/workflows/npm-ci.yml

@@ -1,15 +1,13 @@
 name: CI
 
-on:
-  push:
-  workflow_dispatch:
+on: [push, pull_request]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
           node-version: 18.x
       - run: npm ci

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 node:18.12.1-alpine3.16 as base
+FROM --platform=linux/amd64 node:18.14.1-alpine3.16 as base
 
 RUN apk --update --no-cache add --virtual .builds-deps build-base python3
 

app.js

@@ -28,6 +28,7 @@ const {
   commitInterval: 'test' === process.env.NODE_ENV ? 7 : 20
 });
 const StatsCollector = require('@jambonz/stats-collector');
+const CIDRMatcher = require('cidr-matcher');
 const stats = new StatsCollector(logger);
 const {equalsIgnoreOrder, createHealthCheckApp, systemHealth} = require('./lib/utils');
 const {LifeCycleEvents} = require('./lib/constants');
@@ -129,7 +130,6 @@ const {
 const CallSession = require('./lib/call-session');
 
 if (process.env.DRACHTIO_HOST && !process.env.K8S) {
-  const CIDRMatcher = require('cidr-matcher');
   const cidrs = process.env.JAMBONES_NETWORK_CIDR
     .split(',')
     .map((s) => s.trim());
@@ -164,6 +164,23 @@ else {
     logger.info(`listening in outbound mode on port ${process.env.DRACHTIO_PORT}`);
   });
   srf.listen({port: process.env.DRACHTIO_PORT, secret: process.env.DRACHTIO_SECRET});
+  srf.on('connect', (err, hp) => {
+    if (err) return this.logger.error({err}, 'Error connecting to drachtio server');
+    logger.info(`connected to drachtio listening on ${hp}`);
+
+    if (process.env.K8S_FEATURE_SERVER_TRANSPORT === 'tcp') {
+      const matcher = new CIDRMatcher(['192.168.0.0/24', '172.16.0.0/16', '10.0.0.0/8']);
+      const hostports = hp.split(',');
+      for (const hp of hostports) {
+        const arr = /^(.*)\/(.*):(\d+)$/.exec(hp);
+        if (arr && matcher.contains(arr[2])) {
+          const hostport = `${arr[2]}:${arr[3]}`;
+          logger.info(`using sbc private address when sending to feature-server: ${hostport}`);
+          srf.locals.privateSipAddress = hostport;
+        }
+      }
+    }
+  });
 }
 if (process.env.NODE_ENV === 'test') {
   srf.on('error', (err) => {
@@ -235,7 +252,6 @@ if ('test' !== process.env.NODE_ENV) {
 }
 
 const lookupRtpServiceEndpoints = (lookup, serviceName) => {
-  logger.debug(`dns lookup for ${serviceName}..`);
   lookup(serviceName, {family: 4, all: true}, (err, addresses) => {
     if (err) {
       logger.error({err}, `Error looking up ${serviceName}`);
@@ -305,8 +321,18 @@ process.on('SIGUSR2', handle.bind(null, removeFromSet, setName));
 process.on('SIGTERM', handle.bind(null, removeFromSet, setName));
 
 function handle(removeFromSet, setName, signal) {
-  logger.info(`got signal ${signal}, removing ${srf.locals.privateSipAddress} from set ${setName}`);
-  removeFromSet(setName, srf.locals.privateSipAddress);
+  logger.info(`got signal ${signal}`);
+  if (srf.locals.privateSipAddress && setName) {
+    logger.info(`removing ${srf.locals.privateSipAddress} from set ${setName}`);
+    removeFromSet(setName, srf.locals.privateSipAddress);
+  }
+  if (process.env.K8S) {
+    lifecycleEmitter.operationalState = LifeCycleEvents.ScaleIn;
+    if (0 === activeCallIds.size) {
+      logger.info('exiting immediately since we have no calls in progress');
+      process.exit(0);
+    }
+  }
 }
 
 module.exports = {srf, logger};

data/srtp-transcoding.json

@@ -1,14 +1,14 @@
 {
   "default": {
     "transport-protocol": "UDP/TLS/RTP/SAVPF",
-    "ICE": "force",
+    "ICE": "default",
     "SDES": "off",
     "flags": ["generate mid", "SDES-no", "media handover", "port latching"],
     "rtcp-mux": ["require"]  
   },
   "teams": {
     "transport-protocol": "RTP/SAVP",
-    "ICE": "force",
+    "ICE": "default",
     "SDES": "off",
     "flags": ["generate mid", "SDES-no", "media handover", "port latching"],
     "rtcp-mux": ["accept"]

lib/autoscale-manager.js

@@ -57,6 +57,9 @@ module.exports = (logger) => {
       }
     })();
   }
+  else if (process.env.K8S) {
+    lifecycleEmitter.scaleIn = () => process.exit(0);
+  }
 
   return {lifecycleEmitter};
 };

lib/call-session.js

@@ -3,6 +3,7 @@ const SrsClient = require('@jambonz/siprec-client-utils');
 const {
   makeRtpEngineOpts,
   SdpWantsSrtp,
+  SdpWantsSDES,
   nudgeCallCounts,
   roundTripTime,
   parseConnectionIp
@@ -21,8 +22,10 @@ const MS_TEAMS_SIP_ENDPOINT = 'sip.pstnhub.microsoft.com';
 const createBLegFromHeader = (req) => {
   const from = req.getParsedHeader('From');
   const uri = parseUri(from.uri);
-  if (uri && uri.user) return `<sip:${uri.user}@localhost>`;
-  return '<sip:anonymous@localhost>';
+  const name = from.name;
+  const displayName = name ? `${name} ` : '';
+  if (uri && uri.user) return `${displayName}<sip:${uri.user}@localhost>`;
+  else return `${displayName}<sip:anonymous@localhost>`;
 };
 
 const createSiprecBody = (headers, sdp, type, content) => {
@@ -84,10 +87,6 @@ class CallSession extends Emitter {
     return this.req.has('X-Five9-StreamingPairId');
   }
 
-  get isPossibleWebRtcClient() {
-    return this.req.locals.isPossibleWebRtcClient;
-  }
-
   subscribeForDTMF(dlg) {
     if (!this._subscribedForDTMF) {
       this._subscribedForDTMF = true;
@@ -152,7 +151,8 @@ class CallSession extends Emitter {
     this.logger.debug(`using feature server ${featureServer}`);
 
     const wantsSrtp = this.req.locals.possibleWebRtcClient = SdpWantsSrtp(sdp);
-    this.rtpEngineOpts = makeRtpEngineOpts(this.req, wantsSrtp, false, this.isFromMSTeams);
+    const wantsSDES = SdpWantsSDES(sdp);
+    this.rtpEngineOpts = makeRtpEngineOpts(this.req, wantsSrtp, false, this.isFromMSTeams || wantsSDES);
     this.rtpEngineResource = {destroy: this.del.bind(null, this.rtpEngineOpts.common)};
     const obj = parseUri(this.req.uri);
     let proxy, host, uri;
@@ -262,6 +262,7 @@ class CallSession extends Emitter {
           };
           const startAt = process.hrtime();
           const response = await this.answer(opts);
+          this.logger.debug({response, opts}, 'response from rtpengine to answer');
           const rtt = roundTripTime(startAt);
           this.stats.histogram('app.rtpengine.response_time', rtt, [
             'direction:inbound', 'command:answer', `rtpengine:${this.rtpengineIp}`]);
@@ -309,7 +310,7 @@ class CallSession extends Emitter {
   _setDlgHandlers(dlg) {
     const {callId} = dlg.sip;
     this.activeCallIds.set(callId, this);
-    if (this.isPossibleWebRtcClient) this.subscribeForDTMF(dlg);
+    this.subscribeForDTMF(this.uac);
     dlg.on('destroy', () => {
       debug('call ended with normal termination');
       this.logger.info('call ended with normal termination');
@@ -332,11 +333,11 @@ class CallSession extends Emitter {
   _setHandlers({uas, uac}) {
     this.emit('connected');
     const callStart = Date.now();
+    const call_sid = uac.res?.get('X-Call-Sid');
+    const application_sid = this.application_sid || uac.res?.get('X-Application-Sid');
     const tags = ['accepted:yes', 'sipStatus:200', `originator:${this.req.locals.originator}`];
     this.stats.increment('sbc.terminations', tags);
     this.activeCallIds.set(this.req.get('Call-ID'), this);
-    const call_sid = uac.res?.get('X-Call-Sid');
-    const application_sid = this.application_sid || uac.res?.get('X-Application-Sid');
     if (this.req.locals.cdr) {
       this.req.locals.cdr = {
         ...this.req.locals.cdr,
@@ -414,7 +415,7 @@ class CallSession extends Emitter {
       });
     });
 
-    if (this.isPossibleWebRtcClient) this.subscribeForDTMF(uac);
+    this.subscribeForDTMF(uac);
 
     uas.on('modify', this._onReinvite.bind(this, uas));
     uac.on('modify', this._onReinvite.bind(this, uac));
@@ -427,6 +428,12 @@ class CallSession extends Emitter {
 
     // default forwarding of other request types
     forwardInDialogRequests(uas, ['notify', 'options', 'message']);
+
+    // we need special handling for invite with null sdp followed by 3pcc re-invite
+    if (uas.local.sdp.includes('a=recvonly') || uas.local.sdp.includes('a=inactive')) {
+      this.logger.info('incoming call is recvonly or inactive, waiting for re-invite');
+      this._recvonly = true;
+    }
   }
 
   async _onDTMF(dlg, payload) {
@@ -529,24 +536,70 @@ Duration=${payload.duration} `
   }
 
   async _onReinvite(dlg, req, res) {
+    const fromTag = dlg.type === 'uas' ? this.rtpEngineOpts.uas.tag : this.rtpEngineOpts.uac.tag;
+    const toTag = dlg.type === 'uas' ? this.rtpEngineOpts.uac.tag : this.rtpEngineOpts.uas.tag;
+    const reason = req.get('X-Reason');
+    const isReleasingMedia = reason && dlg.type === 'uac' && ['release-media', 'anchor-media'].includes(reason);
+    const offerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uac.mediaOpts : this.rtpEngineOpts.uas.mediaOpts;
+    const answerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uas.mediaOpts : this.rtpEngineOpts.uac.mediaOpts;
+    const direction =  dlg.type === 'uas' ? ['public', 'private'] : ['private', 'public'];
+
     try {
       /* check for re-invite with no SDP -- seen that from BT when they provide UUI info */
       if (!req.body) {
-        this.logger.info('got a reINVITE with no SDP; just respond with our current offer');
-        res.send(200, {body: dlg.local.sdp});
+        if (dlg.type === 'uas' && this._recvonly) {
+          /* seen this from Broadworks - initial INVITE has no SDP, then reINVITE with SDP */
+          this._recvonly = false;  //one-time only
+          const myMungedSdp = dlg.local.sdp.replace('a=recvonly', 'a=sendrecv').replace('a=inactive', 'a=sendrecv');
+          this.logger.info({myMungedSdp}, '_onReinvite (3gpp): got a reINVITE with no SDP while in recvonly mode');
+          res.send(200,
+            {
+              body: myMungedSdp
+            },
+            (err, req) => {},
+            async(ack) => {
+              const remoteOffer = ack.body;
+              this.logger.info({remoteOffer}, '_onReinvite (3gpp): got ACK for reINVITE with SDP');
+              let opts = {
+                ...this.rtpEngineOpts.common,
+                ...offerMedia,
+                'from-tag': fromTag,
+                'to-tag': toTag,
+                direction,
+                sdp: remoteOffer,
+              };
+              let response = await this.offer(opts);
+              if ('ok' !== response.result) {
+                res.send(488);
+                throw new Error(`_onReinvite (3gpp): rtpengine failed: offer: ${JSON.stringify(response)}`);
+              }
+              this.logger.info({response}, '_onReinvite (3gpp): response from rtpengine for offer');
+              const fsSdp = await dlg.other.modify(response.sdp);
+              opts = {
+                ...this.rtpEngineOpts.common,
+                ...answerMedia,
+                'from-tag': fromTag,
+                'to-tag': toTag,
+                sdp: fsSdp
+              };
+              response = await this.answer(opts);
+              if ('ok' !== response.result) {
+                res.send(488);
+                throw new Error(`_onReinvite(3gpp): rtpengine failed answer: ${JSON.stringify(response)}`);
+              }
+            }
+          );
+        }
+        else {
+          this.logger.info('got a reINVITE with no SDP; just respond with our current offer');
+          res.send(200, {body: dlg.local.sdp});
+        }
         return;
       }
       const offeredSdp = Array.isArray(req.payload) && req.payload.length > 1 ?
         req.payload.find((p) => p.type === 'application/sdp').content :
         req.body;
 
-      const reason = req.get('X-Reason');
-      const isReleasingMedia = reason && dlg.type === 'uas' && ['release-media', 'anchor-media'].includes(reason);
-      const fromTag = dlg.type === 'uas' ? this.rtpEngineOpts.uas.tag : this.rtpEngineOpts.uac.tag;
-      const toTag = dlg.type === 'uas' ? this.rtpEngineOpts.uac.tag : this.rtpEngineOpts.uas.tag;
-      const offerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uac.mediaOpts : this.rtpEngineOpts.uas.mediaOpts;
-      const answerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uas.mediaOpts : this.rtpEngineOpts.uac.mediaOpts;
-      const direction =  dlg.type === 'uas' ? ['public', 'private'] : ['private', 'public'];
       if (isReleasingMedia) {
         if (!offerMedia.flags.includes('asymmetric')) offerMedia.flags.push('asymmetric');
         offerMedia.flags = offerMedia.flags.filter((f) => f !== 'media handover');
@@ -774,30 +827,38 @@ Duration=${payload.duration} `
         const referredBy = req.getParsedHeader('Referred-By');
         if (!referredBy) return res.send(400);
         const u = parseUri(referredBy.uri);
-
-        let selectedGateway = false;
-        let e164 = false;
-        if (gateway) {
-          /* host of Refer-to to an outbound gateway */
-          const gw = await this.srf.locals.getOutboundGatewayForRefer(gateway.voip_carrier_sid);
-          if (gw) {
-            selectedGateway = true;
-            e164 = gw.e164_leading_plus;
-            uri.host = gw.ipv4;
-            uri.port = gw.port;
+        const leaveReferToAlone = req.has('X-Refer-To-Leave-Untouched');
+        if (leaveReferToAlone) {
+          this.logger.debug({referTo}, 'passing Refer-To header through untouched');
+        }
+        else {
+          const isDotDecimal = /^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/.test(uri.host);
+          let selectedGateway = false;
+          let e164 = false;
+          if (gateway && isDotDecimal) {
+            /* host of Refer-to to an outbound gateway */
+            const gw = await this.srf.locals.getOutboundGatewayForRefer(gateway.voip_carrier_sid);
+            if (gw) {
+              selectedGateway = true;
+              e164 = gw.e164_leading_plus;
+              uri.host = gw.ipv4;
+              uri.port = gw.port;
+            }
+          }
+          if (!selectedGateway && isDotDecimal) {
+            uri.host = this.req.source_address;
+            uri.port = this.req.source_port;
+          }
+          if (e164 && !uri.user.startsWith('+')) {
+            uri.user = `+${uri.user}`;
           }
-        }
-        if (!selectedGateway) {
-          uri.host = this.req.source_address;
-          uri.port = this.req.source_port;
-        }
-        if (e164 && !uri.user.startsWith('+')) {
-          uri.user = `+${uri.user}`;
         }
         // eslint-disable-next-line no-unused-vars
         const {via, from, to, 'call-id':callid, cseq, 'max-forwards':maxforwards,
           // eslint-disable-next-line no-unused-vars
           'content-length':contentlength, 'refer-to':_referto, 'referred-by':_referredby,
+          // eslint-disable-next-line no-unused-vars
+          'X-Refer-To-Leave-Untouched': _leave,
           ...customHeaders
         } = req.headers;
 

lib/db-utils.js

@@ -28,7 +28,8 @@ vc.account_sid, vc.application_sid, sg.inbound, sg.outbound, sg.is_active, sg.ip
 FROM sip_gateways sg, voip_carriers vc
 WHERE sg.voip_carrier_sid = vc.voip_carrier_sid 
 AND vc.service_provider_sid IS NOT NULL 
-AND vc.is_active = 1`;
+AND vc.is_active = 1 
+AND sg.inbound = 1`;
 
 const sqlCarriersForAccountBySid =
 `SELECT sg.sip_gateway_sid, sg.voip_carrier_sid, vc.name, vc.account_sid,  
@@ -100,7 +101,7 @@ module.exports = (srf, logger) => {
   };
 
   const getApplicationForDidAndCarrier = async(req, voip_carrier_sid) => {
-    const did = normalizeDID(req.calledNumber);
+    const did = normalizeDID(req.calledNumber) || 'anonymous';
 
     try {
       /* straight DID match */
@@ -125,164 +126,180 @@ module.exports = (srf, logger) => {
     const uri = parseUri(req.uri);
     const isDotDecimal = /^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/.test(uri.host);
 
-    if (isDotDecimal) {
-      if (process.env.JAMBONES_HOSTING) {
-        if (!process.env.SBC_ACCOUNT_SID) return failure;
+    if (!isDotDecimal) {
+      /**
+       * The host part of the SIP URI is not a dot-decimal IP address,
+       * so this can be one of two things:
+       * (1) a sip realm value associate with an account, or
+       * (2) a carrier name for a carrier that we send outbound registrations to
+       *
+       * Let's look for case #1 first...
+       */
 
-        /* look for carrier only within that account */
-        const [r] = await pp.query(sqlCarriersForAccountBySid,
-          [process.env.SBC_ACCOUNT_SID, req.source_address, req.source_port]);
-        if (0 === r.length) return failure;
-        const service_provider_sid = await getSPForAccount(process.env.SBC_ACCOUNT_SID);
+      /* get all the carriers and gateways for the account owning this sip realm */
+      const [gwAcc] = await pp.query(sqlSelectAllCarriersForAccountByRealm, uri.host);
+      const [gwSP] = gwAcc.length ? [[]] : await pp.query(sqlSelectAllCarriersForSPByRealm, uri.host);
+      const gw = gwAcc.concat(gwSP);
+      const selected = gw.find(gatewayMatchesSourceAddress.bind(null, req.source_address));
+      if (selected) {
+        const [a] = await pp.query(sqlAccountByRealm, uri.host);
+        if (0 === a.length) return failure;
         return {
           fromCarrier: true,
-          gateway: r[0],
-          account_sid: process.env.SBC_ACCOUNT_SID,
-          service_provider_sid
+          gateway: selected,
+          service_provider_sid: a[0].service_provider_sid,
+          account_sid: a[0].account_sid,
+          application_sid: selected.application_sid,
+          account: a[0]
         };
       }
-      else {
-        /* find all carrier entries that have an inbound gateway matching the source IP */
-        const [gw] = await pp.query(sqlSelectAllGatewaysForSP);
-        const matches = gw.filter(gatewayMatchesSourceAddress.bind(null, req.source_address));
-        if (matches.length) {
-          /* we have one or more matches.  Now check for one with a provisioned phone number matching the DID */
-          const vc_sids = matches.map((m) => `'${m.voip_carrier_sid}'`).join(',');
-          const did = normalizeDID(req.calledNumber);
-          const sql =  `SELECT * FROM phone_numbers WHERE number = '${did}' AND voip_carrier_sid IN (${vc_sids})`;
-          logger.debug({matches, sql, did, vc_sids}, 'looking up DID');
 
-          const [r] = await pp.query(sql);
-          if (0 === r.length) {
-            /* came from a provisioned carrier, but the dialed number is not provisioned.
-               check if we have an account with default routing of that carrier to an application
-            */
-            const accountLevelGateways = matches.filter((m) => m.account_sid && m.application_sid);
-            if (accountLevelGateways.length > 1) {
-              logger.info({accounts: accountLevelGateways.map((m) => m.account_sid)},
-                'multiple accounts have added this carrier with default routing -- cannot determine which to use');
-              return {
-                fromCarrier: true,
-                error: 'Multiple accounts are attempting to default route this carrier'
-              };
-            }
-            else if (accountLevelGateways.length === 1) {
-              return {
-                fromCarrier: true,
-                gateway: accountLevelGateways[0],
-                service_provider_sid: accountLevelGateways[0].service_provider_sid,
-                account_sid: accountLevelGateways[0].account_sid,
-                application_sid: accountLevelGateways[0].application_sid,
-                account: accountLevelGateways[0]
-              };
-            }
-            else {
-              /* check if we only have a single account, otherwise we have no
--               way of knowing which account this is for
-              */
-              const [r] = await pp.query('SELECT count(*) as count from accounts where service_provider_sid = ?',
-                matches[0].service_provider_sid);
-              if (r[0].count === 0 || r[0].count > 1) return {fromCarrier: true};
-              else {
-                const [accounts] = await pp.query('SELECT * from accounts where service_provider_sid = ?',
-                  matches[0].service_provider_sid);
-                return {
-                  fromCarrier: true,
-                  gateway: matches[0],
-                  service_provider_sid: accounts[0].service_provider_sid,
-                  account_sid: accounts[0].account_sid,
-                  account: accounts[0]
-                };
-              }
-            }
-          }
-          else if (r.length > 1) {
-            logger.info({r},
+      /* no match, so let's look for case #2 */
+      try {
+        logger.info({
+          host: uri.host,
+          user: uri.user
+        }, 'sip realm is not associated with an account, checking carriers');
+        const [gw] = await pp.query(sqlSelectCarrierRequiringRegistration, [uri.host, uri.user]);
+        const matches = gw.filter(gatewayMatchesSourceAddress.bind(null, req.source_address));
+        if (1 === matches.length) {
+          // bingo
+          //TODO: this assumes the carrier is associate to an account, not an SP
+          //if the carrier is associated with an SP (which would mean we
+          //must see a dialed number in the To header, not the register username),
+          //then we need to look up the account based on the dialed number in the To header
+          const [a] = await pp.query(sqlAccountBySid, matches[0].account_sid);
+          if (0 === a.length) return failure;
+          logger.debug({matches}, `found registration carrier using ${uri.host} and ${uri.user}`);
+          return {
+            fromCarrier: true,
+            gateway: matches[0],
+            service_provider_sid: a[0].service_provider_sid,
+            account_sid: a[0].account_sid,
+            application_sid: matches[0].application_sid,
+            account: a[0]
+          };
+        }
+        else if (matches.length > 1) {
+          logger.warn({matches, source_address: req.source_address}, 'multiple gateways match source address');
+          return {
+            fromCarrier: true,
+            error: 'Multiple gateways match registration carrier source address'
+          };
+        }
+      } catch (err) {
+        logger.info({err, host: uri.host, user: uri.user}, 'Error looking up carrier by host and user');
+      }
+      /* no match, so fall through  */
+    }
+
+    if (isDotDecimal && process.env.JAMBONES_HOSTING) {
+      if (!process.env.SBC_ACCOUNT_SID) return failure;
+
+      /* look for carrier only within that account */
+      const [r] = await pp.query(sqlCarriersForAccountBySid,
+        [process.env.SBC_ACCOUNT_SID, req.source_address, req.source_port]);
+      if (0 === r.length) return failure;
+      const service_provider_sid = await getSPForAccount(process.env.SBC_ACCOUNT_SID);
+      return {
+        fromCarrier: true,
+        gateway: r[0],
+        account_sid: process.env.SBC_ACCOUNT_SID,
+        service_provider_sid
+      };
+    }
+    else {
+      /* find all carrier entries that have an inbound gateway matching the source IP */
+      const [gw] = await pp.query(sqlSelectAllGatewaysForSP);
+      let matches = gw
+        .filter(gatewayMatchesSourceAddress.bind(null, req.source_address))
+        .map((gw) => {
+          return {
+            voip_carrier_sid: gw.voip_carrier_sid,
+            name: gw.name,
+            service_provider_sid: gw.service_provider_sid,
+            account_sid: gw.account_sid,
+            application_sid: gw.application_sid
+          };
+        });
+      /* remove duplicates, winnow down to voip_carriers, not gateways */
+      matches = [...new Set(matches.map(JSON.stringify))].map(JSON.parse);
+      if (matches.length) {
+        /* we have one or more matches.  Now check for one with a provisioned phone number matching the DID */
+        const vc_sids = matches.map((m) => `'${m.voip_carrier_sid}'`).join(',');
+        const did = normalizeDID(req.calledNumber) || 'anonymous';
+        const sql =  `SELECT * FROM phone_numbers WHERE number = '${did}' AND voip_carrier_sid IN (${vc_sids})`;
+        logger.debug({matches, sql, did, vc_sids}, 'looking up DID');
+
+        const [r] = await pp.query(sql);
+        if (0 === r.length) {
+          /* came from a provisioned carrier, but the dialed number is not provisioned.
+              check if we have an account with default routing of that carrier to an application
+          */
+          const accountLevelGateways = matches.filter((m) => m.account_sid && m.application_sid);
+          if (accountLevelGateways.length > 1) {
+            logger.info({accounts: accountLevelGateways.map((m) => m.account_sid)},
               'multiple accounts have added this carrier with default routing -- cannot determine which to use');
             return {
               fromCarrier: true,
-              error: 'Multiple accounts are attempting to route the same phone number from the same carrier'
+              error: 'Multiple accounts are attempting to default route this carrier'
             };
           }
-
-          /* we have a route for this phone number and carrier combination */
-          const gateway = matches.find((m) => m.voip_carrier_sid === r[0].voip_carrier_sid);
-          const [accounts] = await pp.query(sqlAccountBySid, r[0].account_sid);
-          assert(accounts.length);
+          else if (accountLevelGateways.length === 1) {
+            const [accounts] = await pp.query('SELECT * from accounts where account_sid = ?',
+              accountLevelGateways[0].account_sid);
+            return {
+              fromCarrier: true,
+              gateway: accountLevelGateways[0],
+              service_provider_sid: accountLevelGateways[0].service_provider_sid,
+              account_sid: accountLevelGateways[0].account_sid,
+              application_sid: accountLevelGateways[0].application_sid,
+              account: accounts[0]
+            };
+          }
+          else {
+            /* check if we only have a single account, otherwise we have no
+-               way of knowing which account this is for
+            */
+            const [r] = await pp.query('SELECT count(*) as count from accounts where service_provider_sid = ?',
+              matches[0].service_provider_sid);
+            if (r[0].count === 0 || r[0].count > 1) return {fromCarrier: true};
+            else {
+              const [accounts] = await pp.query('SELECT * from accounts where service_provider_sid = ?',
+                matches[0].service_provider_sid);
+              return {
+                fromCarrier: true,
+                gateway: matches[0],
+                service_provider_sid: accounts[0].service_provider_sid,
+                account_sid: accounts[0].account_sid,
+                account: accounts[0]
+              };
+            }
+          }
+        }
+        else if (r.length > 1) {
+          logger.info({r},
+            'multiple accounts have added this carrier with default routing -- cannot determine which to use');
           return {
             fromCarrier: true,
-            gateway,
-            service_provider_sid: accounts[0].service_provider_sid,
-            account_sid: r[0].account_sid,
-            application_sid: r[0].application_sid,
-            account: accounts[0]
+            error: 'Multiple accounts are attempting to route the same phone number from the same carrier'
           };
         }
-        return failure;
-      }
-    }
 
-    /**
-     * The host part of the SIP URI is not a dot-decimal IP address,
-     * so this can be one of two things:
-     * (1) a sip realm value associate with an account, or
-     * (2) a carrier name for a carrier that we send outbound registrations to
-     *
-     * Let's look for case #1 first...
-     */
-
-    /* get all the carriers and gateways for the account owning this sip realm */
-    const [gwAcc] = await pp.query(sqlSelectAllCarriersForAccountByRealm, uri.host);
-    const [gwSP] = gwAcc.length ? [[]] : await pp.query(sqlSelectAllCarriersForSPByRealm, uri.host);
-    const gw = gwAcc.concat(gwSP);
-    const selected = gw.find(gatewayMatchesSourceAddress.bind(null, req.source_address));
-    if (selected) {
-      const [a] = await pp.query(sqlAccountByRealm, uri.host);
-      if (0 === a.length) return failure;
-      return {
-        fromCarrier: true,
-        gateway: selected,
-        service_provider_sid: a[0].service_provider_sid,
-        account_sid: a[0].account_sid,
-        application_sid: selected.application_sid,
-        account: a[0]
-      };
-    }
-
-    /* no match, so let's look for case #2 */
-    try {
-      logger.info({
-        host: uri.host,
-        user: uri.user
-      }, 'sip realm is not associated with an account, checking carriers');
-      const [gw] = await pp.query(sqlSelectCarrierRequiringRegistration, [uri.host, uri.user]);
-      const matches = gw.filter(gatewayMatchesSourceAddress.bind(null, req.source_address));
-      if (1 === matches.length) {
-        // bingo
-        //TODO: this assumes the carrier is associate to an account, not an SP
-        //if the carrier is associated with an SP (which would mean we
-        //must see a dialed number in the To header, not the register username),
-        //then we need to look up the account based on the dialed number in the To header
-        const [a] = await pp.query(sqlAccountBySid, matches[0].account_sid);
-        if (0 === a.length) return failure;
-        logger.debug({matches}, `found registration carrier using ${uri.host} and ${uri.user}`);
+        /* we have a route for this phone number and carrier combination */
+        const gateway = matches.find((m) => m.voip_carrier_sid === r[0].voip_carrier_sid);
+        const [accounts] = await pp.query(sqlAccountBySid, r[0].account_sid);
+        assert(accounts.length);
         return {
           fromCarrier: true,
-          gateway: matches[0],
-          service_provider_sid: a[0].service_provider_sid,
-          account_sid: a[0].account_sid,
-          application_sid: matches[0].application_sid,
-          account: a[0]
+          gateway,
+          service_provider_sid: accounts[0].service_provider_sid,
+          account_sid: r[0].account_sid,
+          application_sid: r[0].application_sid,
+          account: accounts[0]
         };
-
       }
-      else if (matches.length > 1) {
-        logger.warn({matches, source_address: req.source_address}, 'multiple gateways match source address');
-      }
-    } catch (err) {
-      logger.info({err, host: uri.host, user: uri.user}, 'Error looking up carrier by host and user');
     }
-
     return failure;
   };
 

lib/fs-tracking.js

@@ -15,7 +15,9 @@ module.exports = (srf, logger) => {
   return async() => {
     try {
       if (process.env.K8S) {
-        return process.env.K8S_FEATURE_SERVER_SERVICE_NAME;
+        return process.env.K8S_FEATURE_SERVER_TRANSPORT ?
+          `${process.env.K8S_FEATURE_SERVER_SERVICE_NAME};transport=${process.env.K8S_FEATURE_SERVER_TRANSPORT}` :
+          process.env.K8S_FEATURE_SERVER_SERVICE_NAME;
       }
       else {
         const fs = await retrieveSet(setName);

lib/utils.js

@@ -26,7 +26,8 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
   }
   const common = {
     'call-id': req.get('Call-ID'),
-    'replace': ['origin', 'session-connection']
+    'replace': ['origin', 'session-connection'],
+    'record call': process.env.JAMBONES_RECORD_ALL_CALLS ? 'yes' : 'no'
   };
   return {
     common,
@@ -41,6 +42,9 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
   };
 }
 
+const SdpWantsSDES = (sdp) => {
+  return /m=audio.*\s+RTP\/SAVP/.test(sdp);
+};
 const SdpWantsSrtp = (sdp) => {
   return /m=audio.*SAVP/.test(sdp);
 };
@@ -178,6 +182,7 @@ const parseConnectionIp = (sdp) => {
 module.exports = {
   isWSS,
   SdpWantsSrtp,
+  SdpWantsSDES,
   getAppserver,
   makeRtpEngineOpts,
   makeAccountCallCountKey,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sbc-inbound",
-  "version": "v0.7.7",
+  "version": "v0.8.1",
   "main": "app.js",
   "engines": {
     "node": ">= 12.0.0"
@@ -25,12 +25,12 @@
     "jslint": "eslint app.js lib"
   },
   "dependencies": {
-    "@jambonz/db-helpers": "^0.7.3",
+    "@jambonz/db-helpers": "^0.7.4",
     "@jambonz/http-authenticator": "^0.2.2",
     "@jambonz/http-health-check": "^0.0.1",
-    "@jambonz/realtimedb-helpers": "^0.5.7",
-    "@jambonz/rtpengine-utils": "^0.3.11",
-    "@jambonz/siprec-client-utils": "^0.1.4",
+    "@jambonz/realtimedb-helpers": "^0.6.3",
+    "@jambonz/rtpengine-utils": "^0.4.3",
+    "@jambonz/siprec-client-utils": "^0.2.4",
     "@jambonz/stats-collector": "^0.1.6",
     "@jambonz/time-series": "^0.2.5",
     "aws-sdk": "^2.1261.0",
@@ -38,11 +38,9 @@
     "cidr-matcher": "^2.1.1",
     "debug": "^4.3.4",
     "drachtio-fn-b2b-sugar": "0.0.12",
-    "drachtio-srf": "^4.5.2",
+    "drachtio-srf": "^4.5.21",
     "express": "^4.18.1",
     "pino": "^7.11.0",
-    "sdp-transform": "^2.14.1",
-    "uuid": "^8.3.2",
     "verify-aws-sns-signature": "^0.1.0",
     "xml2js": "^0.4.23"
   },

test/sip-tests.js

@@ -60,6 +60,7 @@ test('incoming call tests', async(t) => {
     await sippUac('uac-pcap-carrier-max-call-limit.xml', '172.38.0.20');
     t.pass('rejects incoming call with 503 when max calls per account reached');
 
+    /* switch off this env for remaining tests (JAMBONES_HOSTING is for Saas sts) */
     delete process.env.JAMBONES_HOSTING;
     await sippUac('uac-pcap-carrier-fail-ambiguous.xml', '172.38.0.40');
     t.pass('rejects incoming call with 503 when multiple accounts have same carrier witrh default routing')