[Virtuoso-users] rewriteRules vs. ldp

[Jürgen Jakobitsch]

hi,

i could need a pointer into the right direction regarding setup of
url-rewrites for my domain..
i'm about to checkout if i could host my domains on virtuoso, but am
currently struggling with url-rewrites.

what i want is basically redirection (303) to urls like ${entity-uri}.html
in case of accept:text/html or ${entity-uri}.ttl in case of
accept:text/turtle
what i also want is that document urls like ${entity-uri}.html override
accept headers and return the html representation (${entity-uri}.ttl should
simply return the turtle representation
regardless of the accept header)

what i have done so far :

1. edit /etc/hosts on my local machine to get some real feeling (
data.turnguard.com => localhost)
2. created a vhost with some rewrite rules (i've attached the export)
3. created a display.vsp that should (you guessed it) display the results
(it is attached)

my setting in principal seem to work :

when i enter in a browser

http://data.turnguard.com:8890/xxx => i get redirected to
http://data.turnguard.com:8890/xxx.html (via 303)  => 200 OK.
http://data.turnguard.com:8890/xxx.html => 200 OK
http://data.turnguard.com:8890/xxx.ttl => 200 OK

this is all good... now for the curl

curl -v -L "http://data.turnguard.com:8890/test/xxx";  (not redirected
correctly, but i know why, that's not the problem for now)
curl -v "http://data.turnguard.com:8890/test/xxx.html"; 200 OK
curl -v "http://data.turnguard.com:8890/test/xxx.ttl"; 200 OK
curl -v -L -H "accept:text/html" "http://data.turnguard.com:8890/test/xxx";
=> 303 See Other => xxx.html => 200 OK .. all good

BUT

curl -v -L -H "accept:text/turtle" "http://data.turnguard.com:8890/test/xxx";

does first a redirect (303) to http://data.turnguard.com:8890/test/xxx.ttl
as expected.

then there's the rewrite rule (internal redirect) for the display.vsp (see
attachement) with which i would itend to output a turtle representation of "
http://data.turnguard.com:8890/test/xxx";,
but instead i get a turtle description of my display.vsp (ldp-wise)..


now the question is :

can i turn off ldp behaviour for certain directories?
is there another way to work around this?

any point really appreciated..

wkr j











| Jürgen Jakobitsch,
| Software Developer
| Semantic Web Company GmbH
| Mariahilfer Straße 70 / Neubaugasse 1, Top 8
| A - 1070 Wien, Austria
| Mob +43 676 62 12 710 | Fax +43.1.402 12 35 - 22

COMPANY INFORMATION
| web       : http://www.semantic-web.at/
| foaf      : http://company.semantic-web.at/person/juergen_jakobitsch
PERSONAL INFORMATION
| web       : http://www.turnguard.com
| foaf      : http://www.turnguard.com/turnguard
| g+        : https://plus.google.com/111233759991616358206/posts
| skype     : jakobitsch-punkt
| xmlns:tg  = "http://www.turnguard.com/turnguard#";

DB.DBA.VHOST_REMOVE (
	 lhost=>'*ini*',
	 vhost=>'data.turnguard.com',
	 lpath=>'/test'
);

DB.DBA.VHOST_DEFINE (
	 lhost=>'*ini*',
	 vhost=>'data.turnguard.com',
	 lpath=>'/test',
	 ppath=>'/DAV/home/dba/utils/display.vsp',
	 is_dav=>1,
	 def_page=>'',
	 vsp_user=>'dba',
	 ses_vars=>0,
	 opts=>vector ('browse_sheet', '', 'noinherit', 'yes', 'url_rewrite', 'http_rule_list_3'),
	 is_default_host=>0
);


    
DB.DBA.URLREWRITE_CREATE_RULELIST ( 
'http_rule_list_3', 1, 
  vector ('http_rule_5', 'http_rule_7', 'http_rule_6'));

DB.DBA.URLREWRITE_CREATE_REGEX_RULE ( 
'http_rule_5', 1, 
  '(.+?)(\.[^.]*$|$)', 
vector ('par_1'), 
1, 
'%s.html', 
vector ('par_1'), 
NULL, 
'(text/html)', 
0, 
303, 
'' 
);

DB.DBA.URLREWRITE_CREATE_REGEX_RULE ( 
'http_rule_7', 1, 
  '(.+?)(\.[^.]*$|$)', 
vector ('par_1'), 
1, 
'%s.ttl', 
vector ('par_1'), 
NULL, 
'(text/turtle)', 
0, 
303, 
'' 
);

DB.DBA.URLREWRITE_CREATE_REGEX_RULE ( 
'http_rule_6', 1, 
  '([^.*]+)(?=\.(html|ttl)+$)', 
vector ('par_1', 'par_2'), 
2, 
'/display?entity=http://data.turnguard.com%s&accept=%U&ext=%s', 
vector ('par_1', '*accept*', 'par_2'), 
NULL, 
'(.*)', 
0, 
0, 
'' 
);


    

display.vsp
Description: Binary data

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