Hello

I try to connect via RPC to LimeSurvey and followed the PHP example from here: www.limesurvey.org/manual/RemoteControl_2_API#PHP_Example

include_once 'vendor/autoload.php';

define( 'LS_BASEURL', 'myurl'); // adjust this one to your actual LimeSurvey URL
define( 'LS_USER', 'myuser' );
define( 'LS_PASSWORD', 'mypassword');

// the survey to process
$survey_id=12345678;

// instanciate a new client
$myJSONRPCClient = new \org\jsonrpcphp\JsonRPCClient( LS_BASEURL );

// receive session key
$sessionKey= $myJSONRPCClient->get_session_key( LS_USER, LS_PASSWORD );

// release the session key
//$myJSONRPCClient->release_session_key( $sessionKey );


When executing the script, the following error occurs:
"Fatal error: Uncaught exception 'Exception' with message 'Unable to connect to MYURL' in E:\project\vendor\weberhofer\jsonrpcphp\src\org\jsonrpcphp\JsonRPCClient.php:155 Stack trace: #0 E:\project\cronjobs.php(17): org\jsonrpcphp\JsonRPCClient->__call('get_session_key', Array) #1 E:\msf\benteler\cronjobs.php(17): org\jsonrpcphp\JsonRPCClient->get_session_key('myuser', 'mypassword') #2 {main} thrown in E:\project\vendor\weberhofer\jsonrpcphp\src\org\jsonrpcphp\JsonRPCClient.php on line 155"


The Username and password and the URL are correct. Also I can connect to the API with "R" (the statistic programming language) and with my login data. Just in PHP this error occurs and so far I found nothing that helps me out.

Any help is really appreciated.

myurl is an example , you must set the real url , seems the issue is here. Or your server broke web access (firewall issue).

Hey,

thanks for your answer. I set an real URL, just commented all sensitve data out and replaced it with dummy data.

I tested yesterday and the issue was that I tried to connect to my URL via https: under Windows. After some time of searching i found out that curl under Windows needs to set SSL_VERIFYPEER set to FALSE.

So for my locale maschine I had to set
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,false);
inside class "JsonRPCClient". Afterwards it works well.

sarah_w wrote: I tested yesterday and the issue was that I tried to connect to my URL via https: under Windows. After some time of searching i found out that curl under Windows needs to set SSL_VERIFYPEER set to FALSE.

Which is depending on how and what certs you installed. I don't think you have to disable SSL_VERIFYPEER always when Windows is involved. You would end up with a potential unsecure connection. curl.haxx.se/libcurl/c/CURLOPT_SSL_VERIFYPEER.html

@jelo : yes, but if you use self-signed certificate : you NEED SSL_VERIFYPEER to false.

Else @sarah_w : if you have some times (or some people with time) : letsencrypt.org/ can help you to have a valid certificate (and it's better to verify peer). BTW : not limesurvey related.

Denis
PS : maybe we need to update pour manual about this 'issue'

@jelo: It's only my development laptop with its Windows. Just needed to test my code, therefore I think it's okay to set SSL_VERIFYPEER to false. On the live system it didn't adapt the code.

@DenisChenu: Sorry just turned out now that it was not LimeSurvey related. But maybe someone has the same problem and this can help.

sarah_w wrote: @DenisChenu: Sorry just turned out now that it was not LimeSurvey related. But maybe someone has the same problem and this can help.

Ogh think it's partially LimeSurvey manual related

If you can found time to add a 'warning : if you don't use a valid SSL .... ' something here : www.limesurvey.org/manual/RemoteControl_2_API :)/

I say make a ssl valid key ios not LS related (and letsencrypt is great to have SSL validkey)

also, I would recommend to use a Virtual Machine with LAMP stack rather than using the windows solutions.

I am having similar issues connecting from a shared web host. We are getting the exact same fatal error messages but our difference is our JsonRPCClient is being instantiated on a Linux machine and not Windows. It might be an SSL issue between our shared web host and our hosted LimeSurvey installation... but we are still looking into the issue.