Re: NSURL and percent escaping

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And now with the code...

Le Fri, Aug 22, 2025 at 03:33:52PM +0200, Philippe Roussel a écrit :
> Hi all,
> 
> I'm trying to instanciate NSURL using -initWithScheme:user:password...
> method and I'm having trouble when the user needs escaping. I might be
> doing something wrong but I don't understand NSURL behaviour...
> 
> Here is a simplified example : 
> 
> NSURL *url = [[NSURL alloc] initWithScheme:@"http"
>                                       user:@"p.o.roussel%40free.fr"
> 								  password:@"password"
> 								      host:@"127.0.0.1"
> 									  port:nil
> 								  fullPath:@"dav.php/calendars/[email protected]/default/"
> 						   parameterString:nil
> 						             query:nil
> 								  fragment:nil];
> 											   
> When I log [url absoluteString] I get the following
> 
> http://p.o.roussel%2540free.fr:[email protected]/dav.php/calendars/[email protected]/default/
> 
> and I don't understand the '%2540' part. If I use the original non
> escaped username -initWithScheme return nil;
> 
> Full example attached, built and run against libgnustep-base.so.1.28.
> 
> Any hint ?
> 
> Thanks,
> Philippe
> -- 
> Evolution (n): A hypothetical process whereby infinitely improbable events occur with alarming frequency, order arises from chaos, and no one is given credit.
> 

-- 
De nombreux hommes doivent leur succès à leur première femme et leur seconde femme à leur succès. Jim Backus


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#import <Foundation/Foundation.h>=0A=0Aint main(int argc, const char *argv[=
])=0A{=0A  CREATE_AUTORELEASE_POOL(arp);=0A=0A  NSString *url =3D @"http://=
[email protected]:[email protected]/dav.php/calendars/[email protected]=
r/default/";=0A  NSString *escapedUrl =3D @"http://p.o.roussel%40free.fr:pa=
[email protected]/dav.php/calendars/[email protected]/default/";=0A  NSStr=
ing *user =3D @"[email protected]";=0A  NSString *escapedUser =3D [user s=
tringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLUserAl=
lowedCharacterSet]];=0A  NSLog(@"escaped user : %@", escapedUser);=0A  // =
=3D> OK : p.o.roussel%40free.fr=0A=0A  NSURL *fromString =3D [NSURL URLWith=
String:url];=0A  NSLog(@"fromString : %@", [fromString absoluteString]);=0A=
  // =3D> OK : nil=0A=0A=0A  NSURL *fromEscapedString =3D [NSURL URLWithStr=
ing:escapedUrl];=0A  NSLog(@"fromEscapedString : %@", [fromEscapedString ab=
soluteString]);=0A  // =3D> OK : http://p.o.roussel%40free.fr:password@127.=
0.0.1/dav.php/calendars/[email protected]/default/=0A=0A=0A  NSURL *fromP=
arts =3D [[NSURL alloc] initWithScheme:@"http"=0A					      user:user=0A			=
		  password:@"password"=0A					      host:@"127.0.0.1"=0A					      port:[=
NSNumber numberWithInt:80]=0A					  fullPath:@"dav.php/calendars/p.o.rousse=
[email protected]/default/"=0A				   parameterString:nil=0A					     query:nil=0A		=
			  fragment:nil];=0A  NSLog(@"fromParts %@", [fromParts absoluteString]);=
=0A  // =3D> nil, could auto escape user ?=0A=0A  NSURL *fromEscapedParts =
=3D [[NSURL alloc] initWithScheme:@"http"=0A						     user:escapedUser=0A	=
					 password:@"password"=0A						     host:@"127.0.0.1"=0A						     port=
:nil=0A						 fullPath:@"dav.php/calendars/[email protected]/default/"=0A=
					  parameterString:nil=0A						    query:nil=0A						 fragment:nil];=0A=
  NSLog(@"fromEscapedParts %@", [fromEscapedParts absoluteString]);=0A  // =
=3D> KO : http://p.o.roussel%2540free.fr:[email protected]/dav.php/calenda=
rs/[email protected]/default/=0A=0A=0A  RELEASE(arp);=0A  return 0;=0A}=0A
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