PZT Commands on Camara

[Teo Gavriel]

Hi group,

I have been trying to command this Dahua Camara trough the iViewer.

I looked up the request in the web browser and it show's as follow:

Request URL:http://10.40.7.102/RPC2

Request Method:POST

Status Code:200 OK

Request Headersview parsed

POST /RPC2 HTTP/1.1

Host: 10.40.7.102

Connection: keep-alive

Content-Length: 136

Origin: http://10.40.7.102

X-Request: JSON

User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36

Content-type: application/x-www-form-urlencoded; charset=UTF-8

Accept: text/javascript, text/html, application/xml, text/xml, */*

X-Requested-With: XMLHttpRequest

Referer: http://10.40.7.102/

Accept-Encoding: gzip, deflate

Accept-Language: es-ES,es;q=0.8,en;q=0.6

Cookie: DHLangCookie30=%2Fcustom_lang%2FEnglish.txt; DhWebClientSessionID=1259773813; DhWebCookie=%7B%22username%22%3A%22user%22%2C%22pswd%22%3A%22%22%2C%22talktype%22%3A%221%22%2C%22logintype%22%3A%220%22%2C%22openall%22%3A%221%22%7D

Form Dataview sourceview URL encoded

{"method" : "ptz.start", "session" : 1259773813,"params" : {"channel" : 0, "code" : "Down","arg1" : 5,"arg2" : 0,"arg3" : 0},"id" : 119}:

Response Headersview source

CONNECTION:close

CONTENT-LENGTH:73

So the streaming from the camera is working fine, but then i did a button that makes this HTTP Request:

CF.request("http://10.40.7.102/RPC2",

"POST",

null,

JSON.stringify(

{"method" : "ptz.start", "session" : 1259773813,"params" : {"channel" : 0, "code" : "Down","arg1" : 5,"arg2" : 0,"arg3" : 0},"id" : 119}),

function(status, headers, body){

if (status == 200)

{

CF.log("Send Sucessfull: " + status);

CF.log("headers: " + headers.on);

CF.log("headers: "+ body);

}

else

{

CF.log("Error request returned status: " + status);

}

}

So the problem is that it sends the request and gets the Status 200 correctly, headers UNDIFINED, and in the body it receives a full html web page. But the camera dont moves down as it should...

Any help would be appreciated :)

Greetings

[Jarrod Bell]

What does the body response contain? It will probably show you some error message or other info as to what is going wrong.
I would guess it's something to do with the authentication, considering there is a session token sent as part of the request.
Most likely you were logged into the camera already when doing your initial web browser testing.
If this is the case, you will need to find out how to authenticate first before sending control requests.

Regards,

Jarrod Bell
CommandFusion
www.commandfusion.com

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[Teo Gavriel]

here is a copy of the body it returns, 

 

https://code.stypi.com/txnlhc2y

Not sure if i have to login in the request, but i already did it on the video tool options that is streaming above

[Jarrod Bell]

That page shows a login form, so I assume it is failing because it doesn't see you as signed in.
Most likely the session token will change each signin. You should contact the manufacturer to find out how to issue HTTP requests for control with authentication headers or something to that effect.

Regards,

Jarrod Bell
CommandFusion
www.commandfusion.com