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https://github.com/sipcapture/hep-js

HEP: Javascript/Node implementation of HEP/EEP Encapsulation Protocol
https://github.com/sipcapture/hep-js

decapsulation decoder eep-encapsulation-protocol encapsulation encoder hep hep-js hepic homer javascript rtc sipcapture voip

Last synced: 23 days ago
JSON representation

HEP: Javascript/Node implementation of HEP/EEP Encapsulation Protocol

Host: GitHub
URL: https://github.com/sipcapture/hep-js
Owner: sipcapture
License: gpl-2.0
Created: 2015-06-07T14:34:19.000Z (over 9 years ago)
Default Branch: master
Last Pushed: 2024-08-02T13:45:22.000Z (4 months ago)
Last Synced: 2024-10-02T18:46:24.879Z (2 months ago)
Topics: decapsulation, decoder, eep-encapsulation-protocol, encapsulation, encoder, hep, hep-js, hepic, homer, javascript, rtc, sipcapture, voip
Language: JavaScript
Homepage: http://sipcapture.org
Size: 85.9 KB
Stars: 11
Watchers: 7
Forks: 8
Open Issues: 2
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

awesome-hep - Javascript

README

[![Dependency Status](https://david-dm.org/sipcapture/hep-js.svg)](https://david-dm.org/sipcapture/hep-js)
![npm](https://img.shields.io/npm/dm/hep-js.svg)

# HEP-js
HEP: Javascript/Node implementation of HEP/EEP Encapsulation Protocol

This module provides Node with [HEP/EEP](http://hep.sipcapture.org) packet encapsulation and decapsulation capabilities.

For more information about HEP and SIPCAPTURE Projects, please visit [http://sipcapture.org](http://sipcapture.org)

### Install:
```
npm install hep-js
```

### Example Usage:
```
const HEPjs = require('hep-js');
var hep_encoder = HEPjs.encapsulate(payload,rcinfo); // returns data buffer
var hep_decoder = HEPjs.decapsulate(buffer); // returns JSON Object {payload,rcinfo}

```

#### Example: payload
```
ACK sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 192.168.1.23:5060;rport;branch=z9hG4bK484759904
From: ;tag=412285373
To: ;tag=1d24a28a0bded6c40d31e6db8aab9ac6.4679
Call-ID: 1003554701
CSeq: 20 ACK
Content-Length: 0
```

#### Example: rcinfo
```
rcinfo = { type: 'HEP',
version: 3,
payload_type: 'SIP',
captureId: '2001',
capturePass: 'myHep',
ip_family: 2,
time_sec: 1433719443,
time_usec: 979,
protocol: 17,
proto_type: 1,
srcIp: '192.168.100.1',
dstIp: '192.168.1.23',
srcPort: 5060,
dstPort: 5060
}
```

#### Example: Adding vendor extensions
```js
var HEPjs = require('./index');
HEPjs.addVendorExtensions({
0x0008: {
0x0080: {
keyName: "conversationId"
},
0x0081: {
keyName: "organizationId"
},
0x0082: {
keyName: "siteId"
},
0x0083: {
keyName: "trunkBaseId"
},
0x0084: {
keyName: "edgeId"
},
0x0085: {
keyName: "testUInt8",
type: "UInt8"
},
0x0086: {
keyName: "testUInt16",
type: "UInt16"
},
0x0087: {
keyName: "testUInt32",
type: "UInt32"
}
}
});

var hepData = {
"rcinfo": {
"protocolFamily": 2,
"protocol": 6,
"srcIp": "172.26.26.72",
"dstIp": "172.26.21.185",
"srcPort": 64831,
"dstPort": 8060,
"timeSeconds": 1592975786,
"timeUseconds": 669278,
"payloadType": 1,
"captureId": 8,
"organizationId": "3bac7742-243f-4af7-ba39-f4098b941eda",
"edgeId": "268c720e-b939-4484-966d-80a1123e3810",
"conversationId": "",
"siteId": "",
"trunkBaseId": "",
"testUInt8": 5,
"testUInt16": 10,
"testUInt32": 20
},
"payload": "INVITE sip:[email protected]:8060;transport=tls SIP/2.0\r\nTo: \r\nFrom: ;tag=974329\r\ncall-id: 3935064a-294e-44d8-930d-1a87b90515bb\r\nCSeq: 1 INVITE\r\nallow-events: conference, talk, hold\r\nContact: \r\nx-phonesim-proxy-type: primary\r\ncontent-type: application/sdp\r\nx-edge-id: 268c720e-b939-4484-966d-80a1123e3810\r\nx-edge-name: qf-bell\r\nx-test-id: Station2Station\r\nx-test-name: Station to Station Keyword Test\r\nUser-Agent: PolycomSoundPointIP-SPIP_450-UA/4.0.10.0689_000025CC0001\r\nx-phonesim: 1.0.0-534\r\ncontent-length: 567\r\nVia: SIP/2.0/TLS qf-lempel:5060;branch=z9hG4bK416647af6e43448b8fc9c8b804713a0e\r\n\r\nv=0\r\no=- 4056025290 3801964586 IN IP4 172.26.26.72\r\ns= \r\nt=0 0\r\na=group:ANAT 1 2\r\nm=audio 20522 RTP/SAVP 0 8 9 101\r\nc=IN IP4 172.26.26.72\r\na=mid:1\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15\r\na=crypto:1 AES_CM_256_HMAC_SHA1_80 inline:ba6DaKfQLSQQbYNMtL1ng2xCVbJuihEgzeajdEWIHT4qGpfrPwuTMDIasyhSOA\r\na=sendrecv\r\nm=audio 23824 RTP/SAVP 0 8 9 101\r\nc=IN IP6 2620:102:c000:f10:d::6050\r\na=mid:2\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15\r\na=crypto:1 AES_CM_256_HMAC_SHA1_80 inline:ba6DaKfQLSQQbYNMtL1ng2xCVbJuihEgzeajdEWIHT4qGpfrPwuTMDIasyhSOA\r\na=sendrecv\r\n"
};

var hepBuf = HEPjs.encapsulate(hepData.payload, hepData.rcinfo);
console.log(JSON.stringify(HEPjs.decapsulate(hepBuf), undefined, 2));

// Output:

// {
// "rcinfo": {
// "protocolFamily": 2,
// "protocol": 6,
// "srcIp": "172.26.26.72",
// "dstIp": "172.26.21.185",
// "srcPort": 64831,
// "dstPort": 8060,
// "timeSeconds": 1592975786,
// "timeUseconds": 669278,
// "payloadType": 1,
// "captureId": 8,
// "hepNodeName": "8",
// "conversationId": "",
// "organizationId": "3bac7742-243f-4af7-ba39-f4098b941eda",
// "siteId": "",
// "trunkBaseId": "",
// "edgeId": "268c720e-b939-4484-966d-80a1123e3810",
// "testUInt8": 5,
// "testUInt16": 10,
// "testUInt32": 20
// },
// "payload": "INVITE sip:[email protected]:8060;transport=tls SIP/2.0\r\nTo: \r\nFrom: ;tag=974329\r\ncall-id: 3935064a-294e-44d8-930d-1a87b90515bb\r\nCSeq: 1 INVITE\r\nallow-events: conference, talk, hold\r\nContact: \r\nx-phonesim-proxy-type: primary\r\ncontent-type: application/sdp\r\nx-edge-id: 268c720e-b939-4484-966d-80a1123e3810\r\nx-edge-name: qf-bell\r\nx-test-id: Station2Station\r\nx-test-name: Station to Station Keyword Test\r\nUser-Agent: PolycomSoundPointIP-SPIP_450-UA/4.0.10.0689_000025CC0001\r\nx-phonesim: 1.0.0-534\r\ncontent-length: 567\r\nVia: SIP/2.0/TLS qf-lempel:5060;branch=z9hG4bK416647af6e43448b8fc9c8b804713a0e\r\n\r\nv=0\r\no=- 4056025290 3801964586 IN IP4 172.26.26.72\r\ns= \r\nt=0 0\r\na=group:ANAT 1 2\r\nm=audio 20522 RTP/SAVP 0 8 9 101\r\nc=IN IP4 172.26.26.72\r\na=mid:1\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15\r\na=crypto:1 AES_CM_256_HMAC_SHA1_80 inline:ba6DaKfQLSQQbYNMtL1ng2xCVbJuihEgzeajdEWIHT4qGpfrPwuTMDIasyhSOA\r\na=sendrecv\r\nm=audio 23824 RTP/SAVP 0 8 9 101\r\nc=IN IP6 2620:102:c000:f10:d::6050\r\na=mid:2\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15\r\na=crypto:1 AES_CM_256_HMAC_SHA1_80 inline:ba6DaKfQLSQQbYNMtL1ng2xCVbJuihEgzeajdEWIHT4qGpfrPwuTMDIasyhSOA\r\na=sendrecv\r\n"
// }
```

#### HEP/EEP Specs:

http://hep.sipcapture.org/

###### This Project is sponsored by [QXIP BV](http://qxip.net)