如何提高我的重定向代码的效率

Question

我在所有 ASP 页面的顶部都包含此内容，以便为所有不在名为 "words" 和 "generators" 的文件夹中的页面重定向到 https。我不希望他们使用 SSL，因为我听说迁移到 SSL 会对 AdSense 收入产生重大影响。

我还进行了重定向，这样如果用户最终访问了 words 和 generators 文件夹中的 SSL 版本页面，它会将他们带到非 ssl 页面。

最后我有一个从页面的 www 版本重定向到非 www 版本的页面，例如www.test.co.uk 至 test.co.uk

我的代码如下。

我想知道我是否正在以一种非常耗费资源的方式来做这件事，是否有更好的方法来使用网络配置或类似的东西来做这件事，或者如果它没有被破坏，请不要修复它？

我意识到我的代码非常基础和笨拙，抱歉。

SERVER_NAME =  lcase(Request.ServerVariables("SERVER_NAME"))
SCRIPT_NAME =  lcase(Request.ServerVariables("SCRIPT_NAME"))
QUERY_STRING = lcase(Request.ServerVariables("QUERY_STRING"))
SECURE_MODE =  lcase(Request.ServerVariables("SERVER_PORT_SECURE"))

str0 = request.servervariables("url")
arrFolderData = Split(str0, "/")
strLastFolder = arrFolderData(UBound(arrFolderData)-1)
words_str = instr(strLastFolder,"words")
gens_str = instr(strLastFolder,"generators")

'' if page = http, and page is not in "words" or "generators" folder then redirect to https version of page

if SECURE_MODE = 0 AND words_str = 0 AND gens_str = 0 then

    SERVER_NAME = replace(SERVER_NAME, "www.", "")

    go_to_url = ""
    go_to_url = go_to_url & "https://"
    go_to_url = go_to_url & SERVER_NAME
    go_to_url = go_to_url & SCRIPT_NAME

    if QUERY_STRING <> "" then
        go_to_url = go_to_url & "?" & QUERY_STRING
    end if

    Response.Buffer = true
    Response.Status = "301 Redirect"
    Response.AddHeader "Location", lcase(go_to_url)
    Response.End

end if

'' if page = https, and page is in "words" or "generators" folder then redirect to http version of page

if SECURE_MODE = 1 AND (words_str = 1 OR gens_str = 1) then

    SERVER_NAME = replace(SERVER_NAME, "www.", "")

    go_to_url = ""
    go_to_url = go_to_url & "http://"
    go_to_url = go_to_url & SERVER_NAME
    go_to_url = go_to_url & SCRIPT_NAME

    if QUERY_STRING <> "" then
        go_to_url = go_to_url & "?" & QUERY_STRING
    end if

    Response.Buffer = true
    Response.Status = "301 Redirect"
    Response.AddHeader "Location", lcase(go_to_url)
    Response.End

end if


'' redirect to non "www" version of page
if left(SERVER_NAME,3) = "www" then

    SERVER_NAME = replace(SERVER_NAME, "www.", "")

    go_to_url = ""
    go_to_url = go_to_url & "http://"
    go_to_url = go_to_url & SERVER_NAME
    go_to_url = go_to_url & SCRIPT_NAME

    if QUERY_STRING <> "" then
        go_to_url = go_to_url & "?" & QUERY_STRING
    end if

    Response.Buffer = true
    Response.Status = "301 Redirect"
    Response.AddHeader "Location", lcase(go_to_url)
    Response.End

end if

感谢@Carlos Aguilar Mares 的帮助，我能够将上面的代码替换为：

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <rule name="Canonical HostName"  stopProcessing="true">
                    <!-- Redirect to the non-www host -->
                    <match url="(.*)" />
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="^www\.(.*)$"  />
                    </conditions>
                    <action type="Redirect" url="http://{C:1}/{R:1}" appendQueryString="true" redirectType="Permanent" />
                </rule>
                <rule name="NON HTTPS" enabled="true" stopProcessing="true">
                    <!-- Redirect to HTTPS as long as pages are not in words, generators or v folders -->
                    <match url="(.*)" ignoreCase="false" />
                    <conditions>
                        <add input="{HTTPS}" pattern="off" />
                        <add input="{REQUEST_URI}" pattern="^/words/[a-z 0-9]*" negate="true" />
                        <add input="{REQUEST_URI}" pattern="^/generators/[a-z 0-9]*" negate="true" />
                        <add input="{REQUEST_URI}" pattern="^/v/[a-z 0-9]*" negate="true" />
                    </conditions>
                    <action type="Redirect" url="https://{HTTP_HOST}/{R:1}" appendQueryString="true" redirectType="Permanent" />
                </rule>
            </rules>
        </rewrite>
    </system.webServer>
</configuration>

Answer 1

是的，如果使用 URL 重写和在您的 web.config 中配置它。

规则如下所示：

<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <rule name="NON HTTPS" enabled="true" stopProcessing="true">
                    <!-- Redirect to HTTPS as long as it does not end in words/generators -->
                    <match url="(.*)" ignoreCase="false" />
                    <conditions>
                        <add input="{HTTPS}" pattern="off" />
                        <add input="{URL}" pattern="(words|generators)$" negate="true" />
                    </conditions>
                    <action type="Redirect" url="https://{HTTP_HOST}/{R:1}" appendQueryString="true" redirectType="Permanent" />
                </rule>
                <rule name="HTTPS" enabled="true" stopProcessing="true">
                    <!-- Redirect to HTTPS as long as it ends in words/generators -->
                    <match url="(.*)" ignoreCase="false" />
                    <conditions>
                        <add input="{HTTPS}" pattern="on" />
                        <add input="{URL}" pattern="(words|generators)$" />
                    </conditions>
                    <action type="Redirect" url="http://{HTTP_HOST}/{R:1}" appendQueryString="true" redirectType="Permanent" />
                </rule>
                <rule name="Canonical HostName"  stopProcessing="true">
                    <!-- Redirect to the non-www host -->
                    <match url="(.*)" />
                    <conditions>
                        <add input="{HTTP_HOST}" pattern="^www\.(.*)$"  />
                    </conditions>
                    <action type="Redirect" url="http://{C:1}/{R:1}" appendQueryString="true" redirectType="Permanent" />
                </rule>
            </rules>
        </rewrite>
    </system.webServer>
</configuration>

如何提高我的重定向代码的效率

How to improve efficiency of my redirect code

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