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我一直在编写重写规则来尝试将我们的所有流量从 mysite.com.au 重定向到 www.mysite.com.au。我还需要根据是否启用 SSL 有条件地重定向。

我已经从askapache.com进行了一些修改，以创建一个依赖于http或https的变量。下面是我正在使用的代码：

    RewriteCond %{HTTPS} =on
    RewriteRule ^(.+)$ - [env=ps:https]
    RewriteCond %{HTTPS} !=on
    RewriteRule ^(.+)$ - [env=ps:http]
    RewriteCond %{HTTP_HOST} ^mysite\.com\.au(.*)$ [NC]
    RewriteCond %{HTTP_HOST} !^$
    RewriteRule ^(.*)$ %{ENV:ps}://www.mysite.com.au/$1 [L,R=301]

这适用于带有路径的 URL（例如 mysite.com.au/foo 重定向到 www.mysite.com.au/foo）并且http和https切换正常。

但是，当仅访问域（仅 mysite.com.au）时，它会重定向到http://www.mysite.com.au/home/website/public_html/:/www.mysite.com.au/

我敢肯定这是我所缺少的非常小的和基本的东西 - 如果有人能指出它，那将不胜感激。

谢谢！

安德鲁

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1 回答 1

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我找到了答案——这与乍一看完全不同。

我打开了RewriteLog并发现了问题。如果我使用原始条件/规则并使用 mysite.com.au/test 在日志中，我会看到以下内容：

    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/test -> test
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.+)$' to uri 'test'
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/test -> test
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.+)$' to uri 'test'
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/test -> test
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.*)$' to uri 'test'
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (2) [perdir /home/website/public_html/] rewrite 'test' -> 'http://www.mysite.com.au/test'
    10.1.1.1 - - [11/Feb/2013:11:37:50 +1100] [mysite.com.au/sid#b81d24f8][rid#b847d100/initial] (2) [perdir /home/website/public_html/] explicitly forcing redirect with http://www.mysite.com.au/test

但是，当我仅针对 mysite.com.au 运行它时，我看到：

    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.+)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.+)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.*)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (2) [perdir /home/website/public_html/] rewrite '' -> '://www.mysite.com.au/'
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (3) [perdir /home/website/public_html/] add per-dir prefix: ://www.mysite.com.au/ -> /home/website/public_html/://www.mysite.com.au/
    10.1.1.1 - - [11/Feb/2013:11:38:16 +1100] [mysite.com.au/sid#b81d24f8][rid#b845bc18/initial] (2) [perdir /home/website/public_html/] explicitly forcing redirect with http:/.makeitmine.com.au/home/website/public_html/://www.mysite.com.au/

请注意，我尝试设置的环境变量（SSL 开/关）没有被设置。因此，它没有看到 http/https 前缀并假设它是相对内部路径！

当我尝试设置环境变量时，我使用以下代码：

    RewriteCond %{HTTPS} =on
    RewriteRule ^(.+)$ - [env=ps:https]
    RewriteCond %{HTTPS} !=on
    RewriteRule ^(.+)$ - [env=ps:http]

^(.+)$ 的正则表达式需要至少 1 个字符，这是不匹配的！我修改如下：

    RewriteCond %{HTTPS} =on
    RewriteRule ^(.*)$ - [env=ps:https]
    RewriteCond %{HTTPS} !=on
    RewriteRule ^(.*)$ - [env=ps:http]

现在它匹配了，即使是 0 个字符！

再次感谢您的帮助，问题已解决：）

    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.*)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.*)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] strip per-dir prefix: /home/website/public_html/ ->
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (3) [perdir /home/website/public_html/] applying pattern '^(.*)$' to uri ''
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (2) [perdir /home/website/public_html/] rewrite '' -> 'http://www.mysite.com.au/'
    10.1.1.1 - - [11/Feb/2013:11:44:57 +1100] [mysite.com.au/sid#b81d24f8][rid#b8478208/initial] (2) [perdir /home/website/public_html/] explicitly forcing redirect with http://www.mysite.com.au/
于 2013-02-11T00:49:40.493 回答