Symfony 从路由中删除前三个字符
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【中文标题】Symfony 从路由中删除前三个字符【英文标题】：Symfony remove first three characters from route 【发布时间】：2016-11-01 20:41:55 【问题描述】：我有一个简单的 Symfony 2.8 应用程序。在本地主机上它工作正常。但是当我将它上传到共享主机时，只有“/”路由有效。但在每条 >= 4 个字符长的路线中，前三个字符消失了。
例如：
I go to domain.com/123456 and Symfony says No route found for "GET 465"
I go to domain.com/admin and Symfony says No route found for "GET in"
I go to domain.com/blog and Symfony says No route found for "GET g"
...
当我使用 .htaccess 将所有对 web 目录的直接访问重定向到根目录时，它甚至在 localhost 上也发生了。我有来自here 的.htaccess 解决方案。
/.htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %REQUEST_FILENAME !-f
RewriteRule ^(.*)$ web/$1 [QSA,L]
</IfModule>
/web/.htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %THE_REQUEST ^(GET|HEAD)\ /web/
RewriteRule ^(.*)$ /$1 [L,R=301]
RewriteCond %REQUEST_FILENAME !-f
RewriteRule ^(.*)$ app.php [QSA,L]
</IfModule>
路由器：调试输出
-------------------------- ---------- -------- ------ -----------------------------------
Name Method Scheme Host Path
-------------------------- ---------- -------- ------ -----------------------------------
_wdt ANY ANY ANY /_wdt/token
_profiler_home ANY ANY ANY /_profiler/
_profiler_search ANY ANY ANY /_profiler/search
_profiler_search_bar ANY ANY ANY /_profiler/search_bar
_profiler_purge ANY ANY ANY /_profiler/purge
_profiler_info ANY ANY ANY /_profiler/info/about
_profiler_phpinfo ANY ANY ANY /_profiler/phpinfo
_profiler_search_results ANY ANY ANY /_profiler/token/search/results
_profiler ANY ANY ANY /_profiler/token
_profiler_router ANY ANY ANY /_profiler/token/router
_profiler_exception ANY ANY ANY /_profiler/token/exception
_profiler_exception_css ANY ANY ANY /_profiler/token/exception.css
_twig_error_test ANY ANY ANY /_error/code._format
admin-index ANY ANY ANY /admin
admin-settings ANY ANY ANY /admin/nastaveni
admin-blog-index GET ANY ANY /admin/blog/
admin-blog-new GET|POST ANY ANY /admin/blog/napsat-clanek
admin-blog-show GET ANY ANY /admin/blog/id
admin-blog-edit GET|POST ANY ANY /admin/blog/id/upravit
admin-blog-delete DELETE ANY ANY /admin/blog/id
blog-detail ANY ANY ANY /blog/clanek/id/articleSlug
blog-index ANY ANY ANY /blog/tagSlug/currentPage
homepage ANY ANY ANY /
about-us ANY ANY ANY /o-projektu
travelTimeline ANY ANY ANY /plan-cesty
-------------------------- ---------- -------- ------ -----------------------------------
我有默认的 routing.yml 和 security.yml
你能看出错误吗？
---编辑---
新的 /.htaccess
<IfModule mod_rewrite.c>
Options +FollowSymlinks
RewriteEngine On
# Explicitly disable rewriting for front controllers
RewriteRule ^/web/app_dev.php - [L]
RewriteRule ^/web/app.php - [L]
# Fix the bundles folder
RewriteRule ^bundles/(.*)$ /web/bundles/$1 [QSA,L]
RewriteCond %REQUEST_FILENAME !-f
# Change below before deploying to production
RewriteRule ^(.*)$ /web/app.php [QSA,L]
#RewriteRule ^(.*)$ /web/app_dev.php [QSA,L]
</IfModule>
/web/.htaccess（来自 Symfony 的原创）
# Use the front controller as index file. It serves as a fallback solution when
# every other rewrite/redirect fails (e.g. in an aliased environment without
# mod_rewrite). Additionally, this reduces the matching process for the
# start page (path "/") because otherwise Apache will apply the rewriting rules
# to each configured DirectoryIndex file (e.g. index.php, index.html, index.pl).
DirectoryIndex app.php
# By default, Apache does not evaluate symbolic links if you did not enable this
# feature in your server configuration. Uncomment the following line if you
# install assets as symlinks or if you experience problems related to symlinks
# when compiling LESS/Sass/CoffeScript assets.
# Options FollowSymlinks
# Disabling MultiViews prevents unwanted negotiation, e.g. "/app" should not resolve
# to the front controller "/app.php" but be rewritten to "/app.php/app".
<IfModule mod_negotiation.c>
Options -MultiViews
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine On
# Determine the RewriteBase automatically and set it as environment variable.
# If you are using Apache aliases to do mass virtual hosting or installed the
# project in a subdirectory, the base path will be prepended to allow proper
# resolution of the app.php file and to redirect to the correct URI. It will
# work in environments without path prefix as well, providing a safe, one-size
# fits all solution. But as you do not need it in this case, you can comment
# the following 2 lines to eliminate the overhead.
RewriteCond %REQUEST_URI::$1 ^(/.+)/(.*)::\2$
RewriteRule ^(.*) - [E=BASE:%1]
# Sets the HTTP_AUTHORIZATION header removed by apache
RewriteCond %HTTP:Authorization .
RewriteRule .* - [E=HTTP_AUTHORIZATION:%HTTP:Authorization]
# Redirect to URI without front controller to prevent duplicate content
# (with and without `/app.php`). Only do this redirect on the initial
# rewrite by Apache and not on subsequent cycles. Otherwise we would get an
# endless redirect loop (request -> rewrite to front controller ->
# redirect -> request -> ...).
# So in case you get a "too many redirects" error or you always get redirected
# to the start page because your Apache does not expose the REDIRECT_STATUS
# environment variable, you have 2 choices:
# - disable this feature by commenting the following 2 lines or
# - use Apache >= 2.3.9 and replace all L flags by END flags and remove the
# following RewriteCond (best solution)
RewriteCond %ENV:REDIRECT_STATUS ^$
RewriteRule ^app\.php(/(.*)|$) %ENV:BASE/$2 [R=301,L]
# If the requested filename exists, simply serve it.
# We only want to let Apache serve files and not directories.
RewriteCond %REQUEST_FILENAME -f
RewriteRule .? - [L]
# Rewrite all other queries to the front controller.
RewriteRule .? %ENV:BASE/app.php [L]
</IfModule>
<IfModule !mod_rewrite.c>
<IfModule mod_alias.c>
# When mod_rewrite is not available, we instruct a temporary redirect of
# the start page to the front controller explicitly so that the website
# and the generated links can still be used.
RedirectMatch 302 ^/$ /app.php/
# RedirectTemp cannot be used instead
</IfModule>
</IfModule>
使用此配置和组件 paragonie/random_compact 1.4 版，我有时会收到错误，我可以通过页面刷新来处理它。
【问题讨论】：
你好，卡雷尔。你能分享 php app/console router:debug 的输出吗？那会有所帮助。谢谢 我已将其添加到第一篇文章中。 您的虚拟主机是如何配置的。 symfony 项目中 vhost 的根目录通常是 web 文件夹。 不幸的是，在我的共享主机上，我无法看到或使用 VirtualHost。 我尝试使用 Symfony 的原始 .htaccess，但出现错误“您的系统上没有安装合适的 CSPRNG”。我发现它是由 paragonie/random_compact 组件引起的，我应该使用 1.4 版。当我使用这个版本时，这个错误是固定的，但不是实际的问题。但是当我使用不同的 .htaccess 时，我有时会收到错误，页面刷新会修复它。但这对生产不利:)。 （第一篇文章中的新 .htaccess） 【参考方案1】：我为你提供了这个替代方案，使用 vhost 和 symfony 默认的 .htaccess
<VirtualHost 192.168.0.1:80>
ServerName mydomain.com
DocumentRoot /var/www/myproject/web
<Directory />
Header set Access-Control-Allow-Origin "*"
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory /var/www/myproject/web>
Options Indexes FollowSymLinks MultiViews
AllowOverride All
Order allow,deny
allow from all
</Directory>
ErrorLog $APACHE_LOG_DIR/error-myproject.log
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel notice
CustomLog $APACHE_LOG_DIR/access-myproject.log combined
</VirtualHost>
还有web/.htaccess文件（有点长，网上没找到）
DirectoryIndex app.php
# By default, Apache does not evaluate symbolic links if you did not enable this
# feature in your server configuration. Uncomment the following line if you
# install assets as symlinks or if you experience problems related to symlinks
# when compiling LESS/Sass/CoffeScript assets.
# Options FollowSymlinks
# Disabling MultiViews prevents unwanted negotiation, e.g. "/app" should not resolve
# to the front controller "/app.php" but be rewritten to "/app.php/app".
<IfModule mod_negotiation.c>
Options -MultiViews
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine On
# Determine the RewriteBase automatically and set it as environment variable.
# If you are using Apache aliases to do mass virtual hosting or installed the
# project in a subdirectory, the base path will be prepended to allow proper
# resolution of the app.php file and to redirect to the correct URI. It will
# work in environments without path prefix as well, providing a safe, one-size
# fits all solution. But as you do not need it in this case, you can comment
# the following 2 lines to eliminate the overhead.
RewriteCond %REQUEST_URI::$1 ^(/.+)/(.*)::\2$
RewriteRule ^(.*) - [E=BASE:%1]
# Sets the HTTP_AUTHORIZATION header removed by apache
RewriteCond %HTTP:Authorization .
RewriteRule .* - [E=HTTP_AUTHORIZATION:%HTTP:Authorization]
# Redirect to URI without front controller to prevent duplicate content
# (with and without `/app.php`). Only do this redirect on the initial
# rewrite by Apache and not on subsequent cycles. Otherwise we would get an
# endless redirect loop (request -> rewrite to front controller ->
# redirect -> request -> ...).
# So in case you get a "too many redirects" error or you always get redirected
# to the start page because your Apache does not expose the REDIRECT_STATUS
# environment variable, you have 2 choices:
# - disable this feature by commenting the following 2 lines or
# - use Apache >= 2.3.9 and replace all L flags by END flags and remove the
# following RewriteCond (best solution)
RewriteCond %ENV:REDIRECT_STATUS ^$
RewriteRule ^app\.php(/(.*)|$) %ENV:BASE/$2 [R=301,L]
# If the requested filename exists, simply serve it.
# We only want to let Apache serve files and not directories.
RewriteCond %REQUEST_FILENAME -f
RewriteRule .? - [L]
# Rewrite all other queries to the front controller.
RewriteRule .? %ENV:BASE/app.php [L]
</IfModule>
<IfModule !mod_rewrite.c>
<IfModule mod_alias.c>
# When mod_rewrite is not available, we instruct a temporary redirect of
# the start page to the front controller explicitly so that the website
# and the generated links can still be used.
RedirectMatch 302 ^/$ /app.php/
# RedirectTemp cannot be used instead
</IfModule>
</IfModule>
【讨论】：
不幸的是，在我的共享主机上，我无法使用 VirtualHost。以上是关于Symfony 从路由中删除前三个字符的主要内容，如果未能解决你的问题，请参考以下文章
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