I'm writing a QuickLook plugin that, as part of the preview process, makes an
http call to a (localhost) server to obtain data that is then used to generate
the preview image.
The code below works fine outside the QuickLook architecture, as a standard
Cocoa application. But as soon as I move the (exact) same code over to the
QuickLook plugin, a call to the server only returns (null) response, and (null)
data. The docs indicate that this means the connection is failing. But why o
why is it failing?
If I print the contents of the NSError object to the console, I get the
following message:
09-12-08 3:02:05 AM quicklookd[37158] error: Error
Domain=NSPOSIXErrorDomain Code=1 UserInfo=0x10049d880 "The operation couldn’t
be completed. Operation not permitted"
It appears that sendSynchronousRequest:... is not permitted. So why is this
operation not permitted? And is there a workaround? Any help would be most
appreciated.
NSURL * url = [NSURL URLWithString:urlString];
NSMutableURLRequest * request = [NSMutableURLRequest
requestWithURL:url];
[request setHTTPMethod:@"POST"];
[request setHTTPBody:[params dataUsingEncoding:NSUTF8StringEncoding]];
[request setTimeoutInterval:5];
NSError * error;
NSURLResponse * response;
NSData * data = [NSURLConnection sendSynchronousRequest:request
returningResponse:&response error:&error];
Best,
Dalmazio
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