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## Introduction
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In most of the examples in this wiki the applications
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run from some basic URL - defined by the script name,
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for example "Hello World" application runs
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at "/hello" URL message board application runs
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from "/mb" URL.
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It is simple and useful as all static files served
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as is and the application's URL use its own paths:
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For example:
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Static files:
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/media/style.css
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Application:
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/mb
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/mb/tree/1
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/mb/comment/10
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Where "/tree/1" and "/comment/10" are application's
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sub path.
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However we frequently may want to run the application
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in the "root" of the web service such that the main
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URL would be "/"
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The naive approach - redirecting all requests to the
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application would not work as static files should
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be served from other location starting from "/" and
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it is not application's job to serve static files.
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So to do this you need to use URL Rewriting rules
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that exist in any modern web server.
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So if the application should start at the root "/"
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and all the media files should be served from "/media/"
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directory we would want to live "/media/*" URL untouched
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directory we would want to leave "/media/*" URL untouched
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and rewrite all other URLs like "/tree/1" to "/mb.fcgi/tree/1" where "/mb.fcgi" is out script.
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So we would show how to create correct rewrite rules
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for the web server to serve the application in the
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host root.
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We would assume that:
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- All static files are placed in `/media/` directory
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relatively the the web root of the application.
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- Our FastCGI handler is mapped to "script" `/mb.fcgi`.
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See [How to configure the web server to run CppCMS applications](/wikipp/en/page/cppcms_1x_tut_web_server_config) tutorial.
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## Rewrite rules for different web servers
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### Apache
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We should enable `mod_rewrite` and put in
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our `<VirtualHost *>` location following rewrite rules
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RewriteEngine On
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RewriteRule ^(/media/.*)$ $1 [PT]
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RewriteRule ^(/favicon\.ico)$ $1 [PT]
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RewriteRule ^/(.*)$ /mb.fcgi/$1 [QSA,L]
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All the "/media/" files would be served as-is as files `[PT]` flag and the rest of the URL's like `/some/url` would be mapped into /mb.fcgi/some/url`
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### Lighttpd
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We should enable `mod_rewrite` and provide following rule:
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url.rewrite-once = (
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"^(/media/.*)" => "$1",
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"^/favicon.ico$" => "$0",
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"^/(.*)" => "/mb.fcgi/$1"
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)
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Please note that we use `rewrite-once` directive such
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that once `"^(/media/.*)"` rule is executed it would
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not be rewritten any more.
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since version 1.4.23 it's possibly to directly use
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fastcgi.server = (
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"/" => ((
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## your configuration ... and after
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"fix-root-scriptname" => "enable",
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"check-local" => "disable"
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))
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)
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### Nginx
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The rewrite rule that should be defined before
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the FastCGI handler is following:
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rewrite ^(/media/.*)$ $1 last;
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rewrite ^(/favicon.ico)$ $1 last;
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rewrite ^/(.*)$ /mb.fcgi/$1 ;
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Note: the `last` parameter is used for `/media/.*` root
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to prevent following substitution. This is not done
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fo the root URL `^/(.*)$` as FastCGI uses rewriting
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on its own.
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### CppCMS-Embedded
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The `http.rewrite` section defines the URL rewriting
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rules. It is implemented in CppCMS sarting from CppCMS 0.99.11.
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The `http` configuration section should look like:
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"http" : {
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"script" : "/mb.fcgi",
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"rewrite" : [
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{ "regex" : "/media(/.*)?", "pattern" : "$0" },
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{ "regex" : "/favicon\\.ico", "pattern" : "$0" },
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{ "regex" : ".*" , "pattern" : "/mb.fcgi$0" }
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]
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}
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## Useful Sources
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- [Apache mod\_rewrite](http://httpd.apache.org/docs/current/mod/mod_rewrite.html)
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- [Lighttpd mod\_rewrite](http://redmine.lighttpd.net/wiki/1/Docs:ModRewrite)
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- [Nginx rewrite module](http://wiki.nginx.org/HttpRewriteModule)
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- [The Django Book - Deploying Django](http://www.djangobook.com/en/1.0/chapter20/)
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---
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| [Top](#maincontent)
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| [Customize your "Page not found | 404" page][next] →
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[prev]: /wikipp/en/page/cppcms_1x_tut_web_server_config
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[next]: /wikipp/en/page/cppcms_1x_tut_404 |
