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Shinobi
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Shinobi/libs/events.js

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JavaScript
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var moment = require('moment');
var execSync = require('child_process').execSync;
var exec = require('child_process').exec;
var spawn = require('child_process').spawn;
var request = require('request');
// Matrix In Region Libs >
var SAT = require('sat')
var V = SAT.Vector;
var P = SAT.Polygon;
var B = SAT.Box;
// Matrix In Region Libs />
module.exports = function(s,config,lang){
const {
moveCameraPtzToMatrix,
} = require('./control/ptz.js')(s,config,lang)
const {
splitForFFPMEG,
} = require('./ffmpeg/utils.js')(s,config,lang)
const countObjects = async (event) => {
const matrices = event.details.matrices
const eventsCounted = s.group[event.ke].activeMonitors[event.id].eventsCounted || {}
if(matrices){
matrices.forEach((matrix)=>{
const id = matrix.tag
if(!eventsCounted[id])eventsCounted[id] = {times: [], count: {}, tag: matrix.tag}
if(!isNaN(matrix.id))eventsCounted[id].count[matrix.id] = 1
eventsCounted[id].times.push(new Date().getTime())
})
}
return eventsCounted
}
const isAtleastOneMatrixInRegion = function(regions,matrices,callback){
var regionPolys = []
var matrixPoints = []
regions.forEach(function(region,n){
var polyPoints = []
region.points.forEach(function(point){
polyPoints.push(new V(parseInt(point[0]),parseInt(point[1])))
})
regionPolys[n] = new P(new V(0,0), polyPoints)
})
var collisions = []
var foundInRegion = false
matrices.forEach(function(matrix){
var matrixPoly = new B(new V(matrix.x, matrix.y), matrix.width, matrix.height).toPolygon()
regionPolys.forEach(function(region,n){
var response = new SAT.Response()
var collided = SAT.testPolygonPolygon(matrixPoly, region, response)
if(collided === true){
collisions.push({
matrix: matrix,
region: regions[n]
})
foundInRegion = true
}
})
})
if(callback)callback(foundInRegion,collisions)
return foundInRegion
}
const scanMatricesforCollisions = function(region,matrices){
var matrixPoints = []
var collisions = []
if (!region || !matrices){
if(callback)callback(collisions)
return collisions
}
var polyPoints = []
region.points.forEach(function(point){
polyPoints.push(new V(parseInt(point[0]),parseInt(point[1])))
})
var regionPoly = new P(new V(0,0), polyPoints)
matrices.forEach(function(matrix){
if (matrix){
var matrixPoly = new B(new V(matrix.x, matrix.y), matrix.width, matrix.height).toPolygon()
var response = new SAT.Response()
var collided = SAT.testPolygonPolygon(matrixPoly, regionPoly, response)
if(collided === true){
collisions.push(matrix)
}
}
})
return collisions
}
const nonEmpty = (element) => element.length !== 0;
s.addEventDetailsToString = function(eventData,string,addOps){
//d = event data
if(!addOps)addOps = {}
var newString = string + ''
var d = Object.assign(eventData,addOps)
var detailString = s.stringJSON(d.details)
newString = newString
.replace(/{{TIME}}/g,d.currentTimestamp)
.replace(/{{REGION_NAME}}/g,d.details.name)
.replace(/{{SNAP_PATH}}/g,s.dir.streams+'/'+d.ke+'/'+d.id+'/s.jpg')
.replace(/{{MONITOR_ID}}/g,d.id)
.replace(/{{MONITOR_NAME}}/g,s.group[d.ke].rawMonitorConfigurations[d.id].name)
.replace(/{{GROUP_KEY}}/g,d.ke)
.replace(/{{DETAILS}}/g,detailString)
if(d.details.confidence){
newString = newString
.replace(/{{CONFIDENCE}}/g,d.details.confidence)
}
if(newString.includes("REASON")) {
if(d.details.reason) {
newString = newString
.replace(/{{REASON}}/g, d.details.reason)
}
}
return newString
}
s.filterEvents = function(x,d){
switch(x){
case'archive':
d.videos.forEach(function(v,n){
s.video('archive',v)
})
break;
case'delete':
s.deleteListOfVideos(d.videos)
break;
case'execute':
exec(d.execute,{detached: true})
break;
}
}
s.triggerEvent = async (d,forceSave) => {
var didCountingAlready = false
var filter = {
halt : false,
addToMotionCounter : true,
useLock : true,
save : true,
webhook : true,
command : true,
record : true,
indifference : false,
countObjects : true
}
var detailString = JSON.stringify(d.details);
if(!s.group[d.ke]||!s.group[d.ke].activeMonitors[d.id]){
return s.systemLog(lang['No Monitor Found, Ignoring Request'])
}
d.mon=s.group[d.ke].rawMonitorConfigurations[d.id];
var currentConfig = s.group[d.ke].rawMonitorConfigurations[d.id].details
s.onEventTriggerBeforeFilterExtensions.forEach(function(extender){
extender(d,filter)
})
var hasMatrices = (d.details.matrices && d.details.matrices.length > 0)
//read filters
if(
currentConfig.use_detector_filters === '1' &&
((currentConfig.use_detector_filters_object === '1' && d.details.matrices) ||
currentConfig.use_detector_filters_object !== '1')
){
var parseValue = function(key,val){
var newVal
switch(val){
case'':
newVal = filter[key]
break;
case'0':
newVal = false
break;
case'1':
newVal = true
break;
default:
newVal = val
break;
}
return newVal
}
var filters = currentConfig.detector_filters
Object.keys(filters).forEach(function(key){
var conditionChain = {}
var dFilter = filters[key]
dFilter.where.forEach(function(condition,place){
conditionChain[place] = {ok:false,next:condition.p4,matrixCount:0}
if(d.details.matrices)conditionChain[place].matrixCount = d.details.matrices.length
var modifyFilters = function(toCheck,matrixPosition){
var param = toCheck[condition.p1]
var pass = function(){
if(matrixPosition && dFilter.actions.halt === '1'){
delete(d.details.matrices[matrixPosition])
}else{
conditionChain[place].ok = true
}
}
switch(condition.p2){
case'indexOf':
if(param.indexOf(condition.p3) > -1){
pass()
}
break;
case'!indexOf':
if(param.indexOf(condition.p3) === -1){
pass()
}
break;
default:
if(eval('param '+condition.p2+' "'+condition.p3.replace(/"/g,'\\"')+'"')){
pass()
}
break;
}
}
switch(condition.p1){
case'tag':
case'x':
case'y':
case'height':
case'width':
case'confidence':
if(d.details.matrices){
d.details.matrices.forEach(function(matrix,position){
modifyFilters(matrix,position)
})
}
break;
case'time':
var timeNow = new Date()
var timeCondition = new Date()
var doAtTime = condition.p3.split(':')
var atHour = parseInt(doAtTime[0]) - 1
var atHourNow = timeNow.getHours()
var atMinuteNow = timeNow.getMinutes()
var atSecondNow = timeNow.getSeconds()
if(atHour){
var atMinute = parseInt(doAtTime[1]) - 1 || timeNow.getMinutes()
var atSecond = parseInt(doAtTime[2]) - 1 || timeNow.getSeconds()
var nowAddedInSeconds = atHourNow * 60 * 60 + atMinuteNow * 60 + atSecondNow
var conditionAddedInSeconds = atHour * 60 * 60 + atMinute * 60 + atSecond
if(eval('nowAddedInSeconds '+condition.p2+' conditionAddedInSeconds')){
conditionChain[place].ok = true
}
}
break;
default:
modifyFilters(d.details)
break;
}
})
var conditionArray = Object.values(conditionChain)
var validationString = ''
conditionArray.forEach(function(condition,number){
validationString += condition.ok+' '
if(conditionArray.length-1 !== number){
validationString += condition.next+' '
}
})
if(eval(validationString)){
if(dFilter.actions.halt !== '1'){
delete(dFilter.actions.halt)
Object.keys(dFilter.actions).forEach(function(key){
var value = dFilter.actions[key]
filter[key] = parseValue(key,value)
})
}else{
filter.halt = true
}
}
})
if(d.details.matrices && d.details.matrices.length === 0 || filter.halt === true){
return
}else if(hasMatrices){
var reviewedMatrix = []
d.details.matrices.forEach(function(matrix){
if(matrix)reviewedMatrix.push(matrix)
})
d.details.matrices = reviewedMatrix
}
}
var eventTime = new Date()
//motion counter
if(filter.addToMotionCounter && filter.record){
s.group[d.ke].activeMonitors[d.id].detector_motion_count.push(d)
}
if(filter.countObjects && currentConfig.detector_obj_count === '1' && currentConfig.detector_obj_count_in_region !== '1'){
didCountingAlready = true
countObjects(d)
}
if(currentConfig.detector_ptz_follow === '1'){
moveCameraPtzToMatrix(d,currentConfig.detector_ptz_follow_target)
}
if(filter.useLock){
if(s.group[d.ke].activeMonitors[d.id].motion_lock){
return
}
var detector_lock_timeout
if(!currentConfig.detector_lock_timeout||currentConfig.detector_lock_timeout===''){
detector_lock_timeout = 2000
}
detector_lock_timeout = parseFloat(currentConfig.detector_lock_timeout);
if(!s.group[d.ke].activeMonitors[d.id].detector_lock_timeout){
s.group[d.ke].activeMonitors[d.id].detector_lock_timeout=setTimeout(function(){
clearTimeout(s.group[d.ke].activeMonitors[d.id].detector_lock_timeout)
delete(s.group[d.ke].activeMonitors[d.id].detector_lock_timeout)
},detector_lock_timeout)
}else{
return
}
}
// check if object should be in region
if(hasMatrices && currentConfig.detector_obj_region === '1'){
var regions = s.group[d.ke].activeMonitors[d.id].parsedObjects.cords
var isMatrixInRegions = isAtleastOneMatrixInRegion(regions,d.details.matrices)
if(isMatrixInRegions){
s.debugLog('Matrix in region!')
if(filter.countObjects && currentConfig.detector_obj_count === '1' && currentConfig.detector_obj_count_in_region === '1' && !didCountingAlready){
countObjects(d)
}
}else{
return
}
}
// check modified indifference
if(filter.indifference !== false && d.details.confidence < parseFloat(filter.indifference)){
// fails indifference check for modified indifference
return
}
//
if(d.doObjectDetection === true){
s.ocvTx({
f : 'frame',
mon : s.group[d.ke].rawMonitorConfigurations[d.id].details,
ke : d.ke,
id : d.id,
time : s.formattedTime(),
frame : s.group[d.ke].activeMonitors[d.id].lastJpegDetectorFrame
})
}
//
if(currentConfig.detector_use_motion === '0' || d.doObjectDetection !== true ){
if(currentConfig.det_multi_trig === '1'){
s.getCamerasForMultiTrigger(d.mon).forEach(function(monitor){
if(monitor.mid !== d.id){
s.triggerEvent({
id: monitor.mid,
ke: monitor.ke,
details: {
confidence: 100,
name: "multiTrigger",
plug: d.details.plug,
reason: d.details.reason
}
})
}
})
}
//save this detection result in SQL, only coords. not image.
if(forceSave || (filter.save && currentConfig.detector_save === '1')){
s.knexQuery({
action: "insert",
table: "Events",
insert: {
ke: d.ke,
mid: d.id,
details: detailString,
time: eventTime,
}
})
}
if(currentConfig.detector === '1' && currentConfig.detector_notrigger === '1'){
s.setNoEventsDetector(s.group[d.ke].rawMonitorConfigurations[d.id])
}
var detector_timeout
if(!currentConfig.detector_timeout||currentConfig.detector_timeout===''){
detector_timeout = 10
}else{
detector_timeout = parseFloat(currentConfig.detector_timeout)
}
if(filter.record && d.mon.mode=='start'&&currentConfig.detector_trigger==='1'&&currentConfig.detector_record_method==='sip'){
s.createEventBasedRecording(d,moment(eventTime).subtract(5,'seconds').format('YYYY-MM-DDTHH-mm-ss'))
}else if(filter.record && d.mon.mode!=='stop'&&currentConfig.detector_trigger=='1'&&currentConfig.detector_record_method==='hot'){
if(!d.auth){
d.auth=s.gid();
}
if(!s.group[d.ke].users[d.auth]){
s.group[d.ke].users[d.auth]={system:1,details:{},lang:lang}
}
d.urlQuery = []
d.url = 'http://'+config.ip+':'+config.port+'/'+d.auth+'/monitor/'+d.ke+'/'+d.id+'/record/'+detector_timeout+'/min';
if(currentConfig.watchdog_reset!=='0'){
d.urlQuery.push('reset=1')
}
if(currentConfig.detector_trigger_record_fps&&currentConfig.detector_trigger_record_fps!==''&&currentConfig.detector_trigger_record_fps!=='0'){
d.urlQuery.push('fps='+currentConfig.detector_trigger_record_fps)
}
if(d.urlQuery.length>0){
d.url+='?'+d.urlQuery.join('&')
}
request({url:d.url,method:'GET'},function(err,data){
if(err){
//could not start hotswap
}else{
delete(s.group[d.ke].users[d.auth])
d.cx.f='detector_record_engaged';
d.cx.msg = JSON.parse(data.body)
s.tx(d.cx,'GRP_'+d.ke);
}
})
}
d.currentTime = new Date()
d.currentTimestamp = s.timeObject(d.currentTime).format()
d.screenshotName = d.details.reason + '_'+(d.mon.name.replace(/[^\w\s]/gi,''))+'_'+d.id+'_'+d.ke+'_'+s.formattedTime()
d.screenshotBuffer = null
if(filter.webhook && currentConfig.detector_webhook === '1'){
var detector_webhook_url = s.addEventDetailsToString(d,currentConfig.detector_webhook_url)
var webhookMethod = currentConfig.detector_webhook_method
if(!webhookMethod || webhookMethod === '')webhookMethod = 'GET'
request(detector_webhook_url,{method: webhookMethod,encoding:null},function(err,data){
if(err){
s.userLog(d,{type:lang["Event Webhook Error"],msg:{error:err,data:data}})
}
})
}
if(filter.command && currentConfig.detector_command_enable === '1' && !s.group[d.ke].activeMonitors[d.id].detector_command){
s.group[d.ke].activeMonitors[d.id].detector_command = s.createTimeout('detector_command',s.group[d.ke].activeMonitors[d.id],currentConfig.detector_command_timeout,10)
var detector_command = s.addEventDetailsToString(d,currentConfig.detector_command)
if(detector_command === '')return
exec(detector_command,{detached: true},function(err){
if(err)s.debugLog(err)
})
}
for (var i = 0; i < s.onEventTriggerExtensions.length; i++) {
const extender = s.onEventTriggerExtensions[i]
await extender(d,filter)
}
}
//show client machines the event
d.cx={f:'detector_trigger',id:d.id,ke:d.ke,details:d.details,doObjectDetection:d.doObjectDetection};
s.tx(d.cx,'DETECTOR_'+d.ke+d.id);
}
s.createEventBasedRecording = function(d,fileTime){
if(!fileTime)fileTime = s.formattedTime()
d.mon = s.group[d.ke].rawMonitorConfigurations[d.id]
var currentConfig = s.group[d.ke].activeMonitors[d.id].details
if(currentConfig.detector !== '1'){
return
}
var detector_timeout
if(!currentConfig.detector_timeout||currentConfig.detector_timeout===''){
detector_timeout = 10
}else{
detector_timeout = parseFloat(currentConfig.detector_timeout)
}
if(currentConfig.watchdog_reset === '1' || !s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout){
clearTimeout(s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout)
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout = setTimeout(function(){
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.allowEnd = true
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process.stdin.setEncoding('utf8')
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process.stdin.write('q')
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process.kill('SIGINT')
delete(s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout)
},detector_timeout * 1000 * 60)
}
if(!s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process){
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.allowEnd = false;
var runRecord = function(){
var filename = fileTime+'.mp4'
s.userLog(d,{type:lang["Traditional Recording"],msg:lang["Started"]})
//-t 00:'+s.timeObject(new Date(detector_timeout * 1000 * 60)).format('mm:ss')+'
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process = spawn(config.ffmpegDir,splitForFFPMEG(('-loglevel warning -analyzeduration 1000000 -probesize 1000000 -re -i "'+s.dir.streams+'/'+d.ke+'/'+d.id+'/detectorStream.m3u8" -c:v copy -strftime 1 "'+s.getVideoDirectory(d.mon) + filename + '"')))
var ffmpegError='';
var error
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process.stderr.on('data',function(data){
s.userLog(d,{type:lang["Traditional Recording"],msg:data.toString()})
})
s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process.on('close',function(){
if(!s.group[d.ke].activeMonitors[d.id].eventBasedRecording.allowEnd){
s.userLog(d,{type:lang["Traditional Recording"],msg:lang["Detector Recording Process Exited Prematurely. Restarting."]})
runRecord()
return
}
s.insertCompletedVideo(d.mon,{
file : filename,
events: s.group[d.ke].activeMonitors[d.id].detector_motion_count
})
s.userLog(d,{type:lang["Traditional Recording"],msg:lang["Detector Recording Complete"]})
s.userLog(d,{type:lang["Traditional Recording"],msg:lang["Clear Recorder Process"]})
delete(s.group[d.ke].activeMonitors[d.id].eventBasedRecording.process)
clearTimeout(s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout)
delete(s.group[d.ke].activeMonitors[d.id].eventBasedRecording.timeout)
clearTimeout(s.group[d.ke].activeMonitors[d.id].recordingChecker)
})
}
runRecord()
}
}
s.closeEventBasedRecording = function(e){
if(s.group[e.ke].activeMonitors[e.id].eventBasedRecording.process){
clearTimeout(s.group[e.ke].activeMonitors[e.id].eventBasedRecording.timeout)
s.group[e.ke].activeMonitors[e.id].eventBasedRecording.allowEnd = true;
s.group[e.ke].activeMonitors[e.id].eventBasedRecording.process.kill('SIGTERM');
}
// var stackedProcesses = s.group[e.ke].activeMonitors[e.id].eventBasedRecording.stackable
// Object.keys(stackedProcesses).forEach(function(key){
// var item = stackedProcesses[key]
// clearTimeout(item.timeout)
// item.allowEnd = true;
// item.process.kill('SIGTERM');
// })
}
}
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