[lp_header_nocache] at tagSwap.net: Open Source Lasso Code

[lp_header_nocache]

Description

Link: [lp_header_nocache]

Author: Bil Corry

Category: Technical

Version: 8.x

License: Public Domain

Posted: Dec. 02, 2005

Updated: Feb. 05, 2008

More by this author...

Via http header, sets the content to immediately expire, no caching.

Parameters

none

Sample Usage

lp_header_nocache;  // that's it!

Source Code

Click the "Download" button below to retrieve a copy of this tag, including the complete documentation and sample usage shown on this page. Place the downloaded ".inc" file in your LassoStartup folder, restart Lasso, and you can begin using this tag immediately.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

[

define_tag:'lp_header_nocache',
	-description='Via http header, sets the content to immediately expire, no caching.',
	-priority='replace';
	
	$__http_header__->(replace: 'HTTP/1.0', 'HTTP/1.1');
	$__http_header__ += 'Expires: Thu, 11 Jun 1998 13:17:30 GMT\r\n';
	$__http_header__ += 'Last-Modified: ' + (date_localtoGMT: date )->(format:'%a, %d %b %Y %H:%M:%S') + ' GMT\r\n';
	$__http_header__ += 'Cache-Control: no-store, no-cache, must-revalidate, no-transform, max-age=0, post-check=0, pre-check=0\r\n';
	$__http_header__ += 'Pragma: no-cache\r\n';
	if: !$__http_header__->(contains:'vary:');
		$__http_header__ += 'Vary: *\r\n';
	/if;
	if: !$__http_header__->(contains:'ETag:');
		$__http_header__ += 'ETag: "'Lasso_UniqueID'"\r\n';
	/if;
/define_tag;

]

Comments

none