fixes for sending calls to sip endpoint that challenges

lib/call-session.js

@@ -126,12 +126,13 @@ class CallSession extends Emitter {
       let earlyMedia = false;
       while (uris.length) {
         const uri = uris.shift();
+        const passFailure = 0 === uris.length;  // only a single target
         debug(`sending INVITE to ${uri} via ${proxy})`);
         this.logger.info(`sending INVITE to ${uri}`);
         try {
           const {uas, uac} = await this.srf.createB2BUA(this.req, this.res, uri, {
             proxy,
-            passFailure: false,
+            passFailure,
             proxyRequestHeaders: ['all', '-X-MS-Teams-FQDN', '-X-MS-Teams-Tenant-FQDN', '-Allow',
               '-Session-Expires', 'Min-SE'],
             proxyResponseHeaders: ['all', '-Allow'],
@@ -172,7 +173,7 @@ class CallSession extends Emitter {
             if (err instanceof SipError) this.logger.info(`final call failure  ${err.status}`);
             else this.logger.error(err, 'unexpected call failure');
             debug(`got final outdial error: ${err}`);
-            this.res.send(err.status || 500);
+            if (!passFailure) this.res.send(err.status || 500);
             this.emit('failed');
             this.rtpEngineResource.destroy();
             const tags = ['accepted:no', `sipStatus:${err.status || 500}`];

lib/middleware.js

@@ -69,7 +69,7 @@ function route(opts) {
         return next();
       }
     }
-    else if (!isLocalUri(uri.host, req) /*|| !dotDecimalHost */) {
+    if (!dotDecimalHost || !isLocalUri(uri.host, req)) {
       // TODO: need to try to forward calls to a DNS host name
       // so long as that domain name is not associated with an account or SP in our DB
       logger.info(`forwarding call to sip endpoint ${req.uri}`);

test/db/jambones-sql.sql

@@ -55,7 +55,9 @@ api_key_sid CHAR(36) NOT NULL UNIQUE ,
 token CHAR(36) NOT NULL UNIQUE ,
 account_sid CHAR(36),
 service_provider_sid CHAR(36),
-expires_at TIMESTAMP,
+expires_at TIMESTAMP NULL,
+last_used TIMESTAMP NULL,
+created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
 PRIMARY KEY (api_key_sid)
 ) ENGINE=InnoDB COMMENT='An authorization token that is used to access the REST api';