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¿Por qué esta regla mod_rewrite 'no coincide'? (gran registro de reescritura incluido)

tag-icon • tag-icon mod-rewrite redirect .htaccess rewrite rewritecond
¿Por qué esta regla mod_rewrite 'no coincide'? (gran registro de reescritura incluido)

Tengo un escenario que involucra dos dominios:

  1. Sitio de WordPress alojado en dominio1.com
  2. dominio2.co.uk, simplemente redirigiendo a los usuarios al dominio1 a través de mod_rewrite

Esta regla se aplica independientemente de si www. está especificado o no. (Finalmente se elimina de la URL, no soy fanático de WWW).

No hay nada en domain2.co.uk excepto un .htaccess con algunas reglas mod_rewrite. Sin embargo, quiero poder permitir que los usuarios sean redirigidos al URI del artículo correcto incluso si especifican la URL "incorrecta" (es decir, una redirección 301 que conserva el contenido después de la primera barra diagonal).

Actualmente estoy logrando esto con este conjunto de reglas:

RewriteCond %{HTTP_HOST} ^((www\.)?[^\.]+)\.domain2\.co\.uk [NC,OR]
RewriteCond %{HTTP_HOST} ^domain2\.co\.uk [NC]
RewriteRule ^(.*)$ http://domain1.com/$1 [R=301,L]

Esto funciona pero es más feo de lo que quiero que sea. No soy un maestro zen mod_rewrite, pero por lo que puedo decir, la regla principaldeberíacoincidir independientemente de si www. está especificado... Pero no es así. Para poder captar solicitudes sin www, necesito el segundo RewriteCond.

Del registro de reescritura, con solo la primera RewriteCond:

[domain2.co.uk/sid#e200498][rid#e670168/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] strip per-dir prefix: /home/devnull/domains/domain2.co.uk/public_html/ -> 
[domain2.co.uk/sid#e200498][rid#e670168/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] applying pattern '^(.*)$' to uri ''
[domain2.co.uk/sid#e200498][rid#e670168/initial] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^((www\.)|[^\.]+)\.domain2\.co\.uk' [NC] => not-matched
[domain2.co.uk/sid#e200498][rid#e670168/initial] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/
[domain2.co.uk/sid#e200498][rid#e653868/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.html
[domain2.co.uk/sid#e200498][rid#e65f8b8/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.htm
[domain2.co.uk/sid#e200498][rid#e653868/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.shtml
[domain2.co.uk/sid#e200498][rid#e65f8b8/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.php
[domain2.co.uk/sid#e200498][rid#e653868/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.php5
[domain2.co.uk/sid#e200498][rid#e666c98/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.php4
[domain2.co.uk/sid#e200498][rid#e65f8b8/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.php3
[domain2.co.uk/sid#e200498][rid#e653868/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.phtml
[domain2.co.uk/sid#e200498][rid#e65f8b8/subreq] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/index.cgi
[domain2.co.uk/sid#e200498][rid#e66c370/initial/redir#1] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] strip per-dir prefix: /home/devnull/domains/domain2.co.uk/public_html/403.shtml -> 403.shtml
[domain2.co.uk/sid#e200498][rid#e66c370/initial/redir#1] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] applying pattern '^(.*)$' to uri '403.shtml'
[domain2.co.uk/sid#e200498][rid#e66c370/initial/redir#1] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^((www\.)|[^\.]+)\.domain2\.co\.uk' [NC] => not-matched
[domain2.co.uk/sid#e200498][rid#e66c370/initial/redir#1] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/403.shtml
[domain2.co.uk/sid#e200498][rid#e668ca8/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] strip per-dir prefix: /home/devnull/domains/domain2.co.uk/public_html/favicon.ico -> favicon.ico
[domain2.co.uk/sid#e200498][rid#e668ca8/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] applying pattern '^(.*)$' to uri 'favicon.ico'
[domain2.co.uk/sid#e200498][rid#e668ca8/initial] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^((www\.)|[^\.]+)\.domain2\.co\.uk' [NC] => not-matched
[domain2.co.uk/sid#e200498][rid#e668ca8/initial] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/favicon.ico
[domain2.co.uk/sid#e200498][rid#f160b40/initial/redir#1] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] strip per-dir prefix: /home/devnull/domains/domain2.co.uk/public_html/404.shtml -> 404.shtml
[domain2.co.uk/sid#e200498][rid#f160b40/initial/redir#1] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] applying pattern '^(.*)$' to uri '404.shtml'
[domain2.co.uk/sid#e200498][rid#f160b40/initial/redir#1] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^((www\.)|[^\.]+)\.domain2\.co\.uk' [NC] => not-matched
[domain2.co.uk/sid#e200498][rid#f160b40/initial/redir#1] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] pass through /home/devnull/domains/domain2.co.uk/public_html/404.shtml

Sin embargo, con el segundo RewriteCond agregado, la regla funciona y los registros muestran esto:

[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] strip per-dir prefix: /home/devnull/domains/domain2.co.uk/public_html/ -> 
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (3) [perdir /home/devnull/domains/domain2.co.uk/public_html/] applying pattern '^(.*)$' to uri ''
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^((www\.)?[^\.]+)\.domain2\.co\.uk' [NC] => not-matched
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (4) [perdir /home/devnull/domains/domain2.co.uk/public_html/] RewriteCond: input='domain2.co.uk' pattern='^domain2\.co\.uk' [NC] => matched
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (2) [perdir /home/devnull/domains/domain2.co.uk/public_html/] rewrite '' -> 'http://domain1.com/'
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (2) [perdir /home/devnull/domains/domain2.co.uk/public_html/] explicitly forcing redirect with http://domain1.com/
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] escaping http://domain1.com/ for redirect
[domain2.co.uk/sid#e200498][rid#e65fe58/initial] (1) [perdir /home/devnull/domains/domain2.co.uk/public_html/] redirect to http://domain1.com/ [REDIRECT/301]

¿Alguien puede ayudarme a descubrir por qué simplemente no funciona con una sola regla? Siento que me estoy perdiendo lo obvio, y aunque el segundo RewriteCond es una solución alternativa válida, es una pifia y eso me molesta. ;-) Se agradece toda la ayuda...

Respuesta1

examinemos

^((www\.)?[^\.]+)\.domain2\.co\.uk

Coincide si el encabezado Host eswww.algo.domain2.co.uko soloalgo.domain2.co.uk. Sin embargo, solo coincide cuando el encabezado Host termina en .domain2.co.uk, por lo que domain2.co.ukno coincide.

Respuesta más simple: desea redirigir todo de todos modos, así que elimine ambos RewriteCondpor completo.

Respuesta2

RewriteCond %{HTTP_HOST} ^(www\.)?domain2\.co\.uk [NC]
RewriteRule ^(.*)$ http://domain1.com/$1 [R=301,L]

Su regla buscaba cualquier cosa que comenzara con www, opcionalmente, seguida de . con cualquier número de puntos adicionales, seguidos de un requerido.

^((www\.)?[^\.]+)\.domain2\.co\.uk

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