[Decode_Base64URL] at tagSwap.net: Open Source Lasso Code

[Decode_Base64URL]

Description

Link: [Decode_Base64URL]

Author: James harvard

Category: Encoding

Version: 8.x

License: Public Domain

Posted: Jan. 08, 2009

Updated: Jan. 08, 2009

More by this author...

Decoding tag implementing Base64URL, as per http://www.ietf.org/rfc/rfc4648.txt (the corresponding 'decode' tag for Encode_Base64URL). (Essentially the same as the Base64 encoding scheme but the '=' padding character is omitted and the '+' & '/' characters are exchanged for the URL-safe '-' & '_'.)

Parameters

none

Sample Usage

Decode_Base64URL('SW9h_SZVfV0x1T9BSuLPEBdvlZWXZOe9b1LeTYp-9A');

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.

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define_tag( 'Base64URL', -namespace='decode_', -required='in' );
	local( 'out' = string(#in)->replace('-','+')&->replace('_','/')& );
	if( (#out->size % 4) );
		#out += ('=' * (4-(#out->size % 4))) ;
	/if;
	return( decode_base64(#out) );
/define_tag;

Related Tags

[Encode_Base64URL]

Comments

none