mod_rewrite 缩短 url 文件路径
我在让 mod_rewrite 做我需要它做的事情时遇到了一些困难。
我们在 Drupal 安装中有一组虚拟子域。因此，academics.univ.edu、about.univ.edu 等都是同一核心 Drupal 安装的一部分。
目前的文件访问权限为academics.univ.edu/sites/all/academics/files/myfile.jpg。但是，此路径也可以用作 about.univ.edu/sitse/all/about/files/myfile.jpg 或任何其他有效的子域。
我们想使用 mod_rewrite 接受 academics.univ.edu/files/myfile.jpg 并从上述位置传送文件。
这是我尝试过的：
RewriteCond %{REQUEST_URI} ^(about|academics|bursar|calendar)\.univ\.edu\/files\/(.*)$ [NC]
RewriteRule ^/sites/all/files/$1/$2 [L,NC]
我可能以错误的方式处理这个问题，但我想检查一下。我可以通过使用 HTTP_HOST 制定单独的规则来使子域正常工作，但我希望文件中的规则更少。另外，我无法让 HTTP_HOST 在作为子域名中的子目录存在的网站上工作。例如，undergrad.univ.edu/biology/files/myfile.jpg 应提供 /sites/all/biology/files/myfile.jpg
I am having a bit of difficulty getting mod_rewrite to do what I need it to do.
We have a group of virtual subdomains in a Drupal install. So, academics.univ.edu, about.univ.edu, etc are all part of the same core Drupal install.
File access currently is academics.univ.edu/sites/all/academics/files/myfile.jpg. However this path will also work as about.univ.edu/sitse/all/about/files/myfile.jpg or any other valid subdomain.
We'd like to use mod_rewrite to accept academics.univ.edu/files/myfile.jpg and deliver the file from the above location.
Here's what I've tried:
RewriteCond %{REQUEST_URI} ^(about|academics|bursar|calendar)\.univ\.edu\/files\/(.*)$ [NC]
RewriteRule ^/sites/all/files/$1/$2 [L,NC]
I'm probably going about this the wrong way, but I wanted to check on it. I can get the subdomains to work by making separate rules using HTTP_HOST, but I wanted less rules in the file. Also, I can't get HTTP_HOST to work on sites that exist as a subdirectory in a subdomian. For instance, undergrad.univ.edu/biology/files/myfile.jpg should deliver /sites/all/biology/files/myfile.jpg
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您无法匹配 %{REQUEST_URI} 中的主机，需要使用 %{HTTP_HOST}，然后使用
%1反向引用来访问该匹配项。实际的 URI 可以在规则本身中进行匹配。像这样的事情：%1引用 RewriteCond 中的匹配(about|academics|bursar|calendar)，而$1引用匹配 < RewriteRule 中的 code>(.*)。因此该示例将请求 http://about.univ.edu/files/foo.html 并将请求重写为/sites/all/files/about/foo.html。另外，如果这是在虚拟主机或服务器配置中，则在重写规则中的“^”和“文件”之间需要有一个“/”。
You can't match a host in the %{REQUEST_URI}, you need to use %{HTTP_HOST}, then use the
%1backrefernce to access that match. The actual URI can be matched in the rule itself. Something like this:The
%1references the match(about|academics|bursar|calendar)in the RewriteCond and the$1references the match(.*)in the RewriteRule. So that example will take a request to http://about.univ.edu/files/foo.html and rewrite the request to/sites/all/files/about/foo.html.Also, if this is in a virtualhost or server config, you need a "/" in between "^" and "files" in the RewriteRule.