.htaccess URI language code rewrite for Codeigniter - php

I have a site that functions using a "language" URI attribute to set language
oursite.com/home?language=en
We need to be able to also use SEO friendly 2 character URI preppenders
oursite.com/en/home
I'm currently doing a redirect to the index.php file in .htaccess with a few exceptions so my .htaccess has these 2 lines for rewrites
RewriteRule ^([a-z]{2}|[a-z]{2}-[A-Z]{2})/(.*)? ?$2/language=$1
RewriteRule !^(index\.php|robots\.txt|sitemap\.xml|robots\.txt) /index.php?/$1
I need to do a logical rewrite to end up with
/index.php?/home?language=en
What would be the correct Rewrite rule set to make this happen? Is it really even possible?

The RewriteRule !^(index\.php|robots\.txt|sitemap\.xml|robots\.txt) /index.php?/$1 line isn't going to work because you can't create a backreference to a negative match.
Also, a request like: /index.php?/home?language=en is kind of ambiguous, the ? is reserved and needs to be encoded in the query string, otherwise, it can be appended (so that ? becomes a &). Try something like:
RewriteRule ^([a-z]{2}|[a-z]{2}-[A-Z]{2})/(.*)? /$2?language=$1 [L]
RewriteRule !^(index\.php|robots\.txt|sitemap\.xml|robots\.txt) /index.php?%{REQUEST_URI} [L,QSA]
This takes: http://oursite.com/en/home and rewrites it internally to the URI /index.php?/home&language=en. But if you literally want an encoded ? in the query string then change the second rule to:
RewriteRule !^(index\.php|robots\.txt|sitemap\.xml|robots\.txt) /index.php?%{REQUEST_URI}\%3F%{QUERY_STRING} [L,NE]

You could do this in the first rule.
RewriteRule ^([a-z]{2}|[a-z]{2}-[A-Z]{2})/(.*)? /index.php?/$2?language=$1
As for the second rule (for the urls without a language prefix), you could do something like this. As like Jon said, you can't backreference a negative match.
RewiteCond $1 !^index\.php|robots\.txt|sitemap\.xml|robots\.txt
RewriteRule (.*) /index.php?/$1

Related

.HTACCESS adding to slugs

So, I'm currently building a REST API in PHP.
I managed to get slugs working for the most part.
If I request /api/admin/v1/users/1, it will return the user I need.
However, I also need to be able to add to it, e.g. /api/admin/v1/users/1/keys.
The HTACCESS file managing the slug is in the folder itself (/users/).
RewriteEngine On
RewriteRule ^(.*)$ user.php?slug=$1 [L]
I tried adding another line, but I think I messed up (I'm not that advanced with HTACCESS)
RewriteRule ^(.*)/keys$ keys.php?slug=$1 [L]
This didn't do anything, it still returns the user object.
RewriteRule ^(.*)$ user.php?slug=$1 [L]
RewriteRule ^(.*)/keys$ keys.php?slug=$1 [L]
The first rule matches everything, so the second rule is never processed. But since the first rule matches everything it will also rewrite itself (to user.php?slug=user.php) on the second pass by the rewrite engine.
You can resolve these issues by making the regex more restrictive. From your example URL it looks like the slug is numeric - in which case you can restrict the regex to match digits (0-9) only.
For example:
RewriteRule ^(\d*)$ user.php?slug=$1 [L]
RewriteRule ^(\d+)/keys$ keys.php?slug=$1 [L]
Note that the first rule also matches an empty URL-path, ie. no slug at all (as does your original rule). The second rule does not permit an empty slug (it would never match anyway).
The second rule don't work because the L flag stay for: last - stop processing rules
So you need to edit to:
RewriteEngine On
RewriteRule ^(.*)$ user.php?slug=$1 [QSA, L]
RewriteRule ^(.*)/keys$ keys.php?slug=$1 [QSA, L]

.htaccess redirect urls with spaces

I am trying to redirect all invalid urls to my index.php file via my .htaccess file.
Unfortunately I keep getting an Apache error.
My .htaccess file
RewriteEngine on
RewriteCond %{REQUEST_URI} !\.(?:css|js|jpe?g|gif|png)$ [NC]
RewriteRule ^([a-zA-Z0-9\-\_\/]*)$ index.php?p=$1
RewriteRule ^([A-Za-z0-9\s]+)$ index.php?p=$1 [L] 
This invalid url shoud redirect to index.php:
/vacatures/jobapplication/facility-manager%20qsdf
But it throws the object not found 404 Apache error.
The rule you have which allows spaces does not allow hyphens. The rule you have which allows hyphens does not allow spaces. So anything which includes both will not match either.
Your invalid URL facility-manager%20qsdf includes both.
My guess is that your RewriteCond is supposed to apply to both rules, but that is not what is happening now, it will apply only to the first RewriteRule after it. You can solve all these problems by including just 1 RewriteRule, and amending it to accept everything you want:
RewriteRule "^([A-Za-z0-9\-\_\/\s]+)$" index.php?p=$1 [L]
Note that this requires at least one of the characters in your character class, in other words it will not match your "home" location when there is no path ("http://somewhere.com/"). If you want to also match for that location, change the + to a *, to allow 0 or more character matches.
Your rewrite rules do not match the url you indicated. Your REQUEST_URI is
/vacatures/jobapplication/facility-manager%20qsdf
I suspect the URL decoding is not done before the RewriteRule matching and therefore it's trying to match literally %20, yet % sign is not included in your match. I'm not sure why you're using two RewriteRules - why not do something like this?
RewriteEngine on
RewriteCond %{REQUEST_URI} !\.(?:css|js|jpe?g|gif|png)$ [NC]
RewriteCond %{REQUEST_URI} !^index.php(\?.*)?$
RewriteRule ^(.*)$ index.php?p=$1 [L]

Custom URL in apache using get parameters

I'm trying to figure out how to rewrite urls using apache webserver and php.
The url below is the real nonrewritten url:
http://localhost:1337/rewritetest/index.php?id=12
And I want to reach it by
http://localhost:1337/rewritetest/index/12
My indexfile looks like this:
<?php
echo $_GET['id'];
?>
Is this possible? The "new" url doesn't include any parameter names so I guess I have to use an order of parameters instead but I dont know how to reach them in that case.
Below is as far I've come with my rewrite:
RewriteCond %{QUERY_STRING} id=([-a-zA-Z0-9_+]+)
RewriteRule ^/?index.php$ %1? [R=301,L]
RewriteRule ^/?([-a-zA-Z0-9_+]+)$ index.php?id=$1 [L]
Anyone have an idea of what I'm doing wrong?
it's located in the same folder as index.php
So, given the .htaccess file is located at /rewritetest/.htaccess (as opposed to the document root ie. /.htaccess) then...
RewriteRule ^/?([-a-zA-Z0-9_+]+)$ index.php?id=$1 [L]
If you request a URL of the form /rewritetest/index/12 then the above RewriteRule pattern won't actually match anything. It tries to match "index/12", but your pattern does not contain a slash so will fail. (Is the + inside the character class intentional?)
Try something like the following instead:
RewriteRule ^(index)/(\d+)$ $1.php?id=$2 [L]
This obviously specifically matches "index" in the URL. If you are always rewriting to index.php then you don't really need "index" in the URL - unless this means something different? This also assumes that the valuue of the id parameter consists only of digits.
To rewrite the more general .../<controller>/26 to .../<controller>.php?id=26 (as mentioned comments) then try something like:
RewriteRule ^([\w-]+)/(\d+)$ $1.php?id=$2 [L]
In per-directory .htaccess files the slash prefix is omitted on the URL-path that is matched by the RewriteRule pattern, so /? is not required. The above pattern also matches something for for the id, not anything. So, /index/ would not match.
If this is a new site then the "redirect" (from /index.php?id=12 back to /index/12) is not necessarily required. That's only really required if you are changing the URL structure on an existing site where old URLs already have inbound links and are indexed by search engines. In which case you could do something like the following before the internal rewrite:
RewriteBase /rewritetest/
RewriteRule %{ENV:REDIRECT_STATUS} ^$
RewriteCond %{QUERY_STRING} ^id=(\d+)
RewriteRule ^(index)\.php$ $1/%1 [R,L]
Or, for a more generic .../<controller>/26 to .../<controller>.php?id=26 (as above) then change the RewriteRule to:
RewriteRule ^([\w-]+)\.php$ $1/%1 [R,L]
The additional check against the REDIRECT_STATUS environment variable is to prevent a rewrite loop after having rewritten the URL to /index.php?id=12 earlier.

Rewrite automatically removes backslash if there's more than one?

I have a very simple url rewriting rules:
RewriteEngine on
RewriteCond %{HTTP_HOST} !script.php
RewriteRule ^test/(.*) script.php?q=$1
The idea is to have this kind of urls: http://mywebsite.com/test/http://example.com
and then send http://example.com to the script.php as a query parameter. The problem is that I'm receiving http:/example.com instead of http://example.com. Also, http:////example.com would be sent as http:/example.com. What causes this behavior ?
Apache mod_rewrite engine converts multiple ///... into single / for pattern matching in RewriteRule directive. However if you match it using RewriteCond then you can match multiple /s.
You can use rule like this:
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} ^/+test/+(https?://.+)$ [NC]
RewriteRule ^ script.php?q=%1 [L,QSA]
The browser causes this behaviour. It contracts a sequence of / into 1 /, because it is still essentially a path. ///// does not change the directory we are in, so we could as well use /.
You have two options:
Change your links to use a query string instead. If you rewrite test/?q=something to script.php?q=something everything works as expected. You would do the following:
RewriteRule ^test/?$ script.php [L]
Since you don't alter the query string, the original query string is automatically copied to the new query string.
Don't make an assumption on how many slashes you will encounter. The url might not look correctly in the url bar of the browser, but if it is just a redirect, it will only be visible for a very short period of time.
RewriteRule ^test/(http|https):/+(.*)$ script.php?q=$1://$2

URL Rewrites not working

On my website I am trying to rewrite a long URL to a SEO friendly one.
I've got the following code, but it doesnt seem to affect anything! However if I type dgadgdfsg into my htaccess, it throws an internal server error. So I am presuming it is something with Rewrite Rule.
RewriteEngine On
RewriteRule ^([^/]*)/([^/]*)/([^/]*)$ /missing-people/user-profile.php?userID=$1&firstName=$2&lastName=$3 [L]
I have confirmed that mod_rewrite is on.
This is the current URL
http://mysite.com/missing-people/user-profile.php?userID=1&firstName=Liam&lastName=Gallagher
and this is what I want it too appear like
http://mysite.com/1/Liam/Gallagher
Change your RewriteRule to this (slightly modified from your version)
RewriteRule ^([^/]+)/([^/]+)/([^/]+)/?$ missing-people/user-profile.php?userID=$1&firstName=$2&lastName=$3 [QSA,L]
If that doesn't work try putting a R flag for testing purpose (which will make your browser change the original URI to: /missing-people/user-profile.php?userID=1&firstName=Liam&lastName=Gallagher
Presuming your userID is comprised only of digits and firstName and lastName are only alphanumeric.
RewriteEngine On
RewriteRule /(\d+)/(\w+)/(\w+)/ /missing-people/user-profile.php?userID=$1&firstName=$2&lastName=$3 [L]
A more strict version that does the same thing except it sets boundaries for the beginning and the end of the evaluated regex.
RewriteEngine On
RewriteRule /^(\d+)\/(\w+)\/(\w+)$/ /missing-people/user-profile.php?userID=$1&firstName=$2&lastName=$3 [L]

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