.htaccess remove specific get parameter from url

Question

Hello I have been searching the web for an answer to this but I can not find it. I am looking to use htaccess to strip a specific parameter from the url.

For example, I have the following urls:

www.mysite.com/product.php?product_id=123&session=sdfs98d7fs9f8d7
www.mysite.com/anotherurl.php?session=12312341341&someotherparam=123

I would need them to 301 redirect to:

www.mysite.com/product.php?product_id=123
www.mysite.com/anotherurl.php?someotherparam=123

Note the urls above are just examples. Ill need the session param removed from any and all urls no matter how many params are part of the url or where session is located.

I think I need a way to the url string up to session=blah and the url string after session=blah, then combine both parts and redirect to the new url.

Any help is greatly appreciated, thanks.

Felipe Alameda A · Accepted Answer · 2013-01-10 23:14:58Z

1

UPDATED

In short, what you want is just to remove the key-value pair session=xx from the query.

Here is an option:

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{QUERY_STRING}  (.*)?&?session=[^&]+&?(.*)?  [NC]
RewriteCond %{REQUEST_URI} /(.*)
RewriteRule .*  %3?%1%2? [R=301,L]

edited Jan 10, 2013 at 23:14

answered Jan 9, 2013 at 22:07

Felipe Alameda A

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8 Comments

bones Over a year ago

Thanks. Yeah the urls would be dynamic the two I had were just examples I just need the session param removed from any and all urls

bones Over a year ago

Thanks faa. It doesn't look like your updated answer would work if the other parameter is not product_id or had more than one valid parameter. I think I'm looking for something that would take any url before session=blah and any url after session=blah and then redirect to the combined parts.

Felipe Alameda A Over a year ago

@bones Updated my answer again.

bones Over a year ago

Thanks faa. It's not quite working. When I have the url: www.mysite.com/catalog/product_info.php?products_id=2894&session=d794705 it redirects to www.mysite.com/products_id=2894 I would need it to redirect to www.mysite.com/catalog/product_info.php?products_id=2894

Felipe Alameda A Over a year ago

¿Is the script name also variable or it is now product_info.php instead of product.php ?

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bones · Accepted Answer · 2013-02-05 19:19:24Z

1

I found a solution on another site

# case: leading and trailing parameters
RewriteCond %{QUERY_STRING} ^(.+)&session=[0-9a-z]+&(.+)$ [NC]
RewriteRule (.*) /$1?%1&%2 [R=301,L]

# case: leading-only, trailing-only or no additional parameters
RewriteCond %{QUERY_STRING} ^(.+)&session=[0-9a-z]+$|^osCsid=[0-9a-z]+&?(.*)$ [NC]
RewriteRule (.*) /$1?%1 [R=301,L]

answered Feb 5, 2013 at 19:19

bones

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Comments

Bastian Rang · Accepted Answer · 2013-01-09 22:11:11Z

0

not tested, but should work:

RewriteCond %{QUERY_STRING} product_id=([0-9]+)
RewriteRule .* product.php?product_id=%1

answered Jan 9, 2013 at 22:11

Bastian Rang

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1 Comment

bones Over a year ago

Thanks. I guess I should have mentioned the irks could be totally different. The common denominator being the session param which I need removed from any URL. I've adjusted the question

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