llRequestSecureURL

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/LSL

RequestSecureURL

llRequestSecureURL

Summary

Function: key llRequestSecureURL( );

346	Function ID
0.0	Forced Delay
10.0	Energy

Requests one HTTPS:// (SSL) url for use by this object. The http_request event is tiggered with result of the request. HTTPS-in uses port 12043.
Returns a handle (a key) used for identifying the result of the request in the http_request event.

Caveats

• HTTPS-in uses port 12043 (that port is in the URL returned by this method).
• When a region is (re)started all HTTP server URLs are automatically released and invalidated.
  • Use CHANGED_REGION_START to detect this so new URL can be requested.
• The server certificate is signed by our own Linden Lab Certificate Authority. In order for your client to validate the server certificate, you will need to download and install our CA certificate and add it to the CA store on your system: you can download it from https://bitbucket.org/lindenlab/llca/raw/master/LindenLab.crt

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Examples

Important: Never ever forget to release a URL again which you have requested! URLs are region resources just like prims. If you take them all you can get into big trouble with the sim owner and/or estate managers.

Requesting a secure URL.

string secureUrl;
key urlRequestId;
key selfCheckRequestId;
 
request_secure_url()
{
    llReleaseURL(secureUrl);
    secureUrl = "";
 
    urlRequestId = llRequestSecureURL();
}
 
throw_exception(string inputString)
{
    key owner = llGetOwner();
    llInstantMessage(owner, inputString);
 
    // yeah, bad way to handle exceptions by restarting.
    // However this is just a demo script...
 
    llResetScript();
}
 
default
{
    on_rez(integer start_param)
    {
        llResetScript();
    }
 
    changed(integer change)
    {
        if (change & (CHANGED_OWNER | CHANGED_INVENTORY))
        {
            llReleaseURL(secureUrl);
            secureUrl = "";
 
            llResetScript();
        }
 
        if (change & (CHANGED_REGION | CHANGED_REGION_START | CHANGED_TELEPORT))
            request_secure_url();
    }
 
    state_entry()
    {
        request_secure_url();
    }
 
    http_request(key id, string method, string body)
    {
        integer responseStatus = 400;
        string responseBody = "Unsupported method";
 
        if (method == URL_REQUEST_DENIED)
            throw_exception("The following error occurred while attempting to get a free URL for this device:\n \n" + body);
 
        else if (method == URL_REQUEST_GRANTED)
        {
            secureUrl = body;
            key owner = llGetOwner();
            llLoadURL(owner, "Click to visit my URL!", secureUrl);
 
            // check every 5 mins for dropped URL
            llSetTimerEvent(300.0);
        }
        else if (method == "GET")
        {
            responseStatus = 200;
            responseBody = "Hello world!";
        }
        // else if (method == "POST") ...;
        // else if (method == "PUT") ...;
        // else if (method == "DELETE") { responseStatus = 403; responseBody = "forbidden"; }
 
        llHTTPResponse(id, responseStatus, responseBody);
    }
 
    http_response(key id, integer status, list metaData, string body)
    {
        if (id == selfCheckRequestId)
        {
            // If you're not usually doing this,
            // now is a good time to get used to doing it!
            selfCheckRequestId = NULL_KEY;
 
            if (status != 200)
                request_secure_url();
        }
 
        else if (id == NULL_KEY)
            throw_exception("Too many HTTP requests too fast!");
    }
 
    timer()
    {
        selfCheckRequestId = llHTTPRequest(secureUrl,
                                [HTTP_METHOD, "GET",
                                    HTTP_VERBOSE_THROTTLE, FALSE,
                                    HTTP_BODY_MAXLENGTH, 16384],
                                "");
    }
}

See Also

Functions

•	llRequestURL
•	llGetFreeURLs
•	llReleaseURL
•	llHTTPResponse
•	llGetHTTPHeader

Articles

•

LSL http server

Deep Notes

History

• SVN:1836 r112899 Trunk

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Signature
function key llRequestSecureURL();