PHP-FPM始终返回200无论NGINX状态代码

问题描述 投票:2回答:1

我有一个基于PHP的错误页面配置与NGINX和PHP-FPM。但是,当我请求example.com/nothing(不存在的页面)时,PHP-FPM返回200状态代码,而不是NGINX返回的正确404状态代码。其他错误也会发生这种情况(例如:当NGINX状态为403时,example.com/assets使用PHP-FPM返回200)。基本上我想要PHP-FPM做的是镜像NGINX显示的状态代码(用NGINX显示的状态代码覆盖200状态代码),所以我的错误页面显示正确的信息。我知道你可以通过在使用http_response_code();时指定它来更改状态代码,但我宁愿让服务器执行此操作而不需要硬编码正确的状态代码。

错误页面:<? echo http_response_code(); ?>

NGINX错误页面配置:

set $errorDocs "/var/www/GLOBAL_RESOURCES/error";
recursive_error_pages on;
location ^~ $errorDocs {
  internal;
  alias $errorDocs;
}
#Resolve error asset location 404s
location /errorAssets {
  root $errorDocs;
}
error_page 404 /404.php;
location = /404.php {
  root $errorDocs;
  include /etc/nginx/xenon-conf/headers/fpm-params.conf;
}

PHP-FPM设置:

include /etc/nginx/fastcgi_params;
include /etc/nginx/fastcgi.conf;
fastcgi_intercept_errors on;
proxy_intercept_errors on;
try_files $uri =404; 
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass  unix:/var/run/php-fpm/www.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

快速CGI配置:

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  REQUEST_SCHEME     $scheme;
fastcgi_param  HTTPS              $https if_not_empty;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect
#fastcgi_param  REDIRECT_STATUS    200; 

网站配置:

server {
  listen 80;
  server_name example.com www.example.com;
  access_log /var/log/nginx/example.com.access.log;
  include /etc/nginx/xenon-conf/headers/php-fpm-enable.conf;
  include /etc/nginx/xenon-conf/headers/master-failover.conf;

  set $webRoot "/var/www/example.com";
  root $webRoot;
}

NGINX配置:

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
  worker_connections 1024;
}

http {
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

  access_log  /var/log/nginx/access.log  main;

  sendfile            on;
  tcp_nopush          on;
  tcp_nodelay         on;
  keepalive_timeout   65;
  types_hash_max_size 4096;

  include             /etc/nginx/mime.types;
  default_type        application/octet-stream;

  # Load modular configuration files from the /etc/nginx/conf.d directory.
  # See http://nginx.org/en/docs/ngx_core_module.html#include
  # for more information.
  include /etc/nginx/conf.d/*.conf;

  ### CUSTOM HTTP SERVER MASS IMPORTS ###
  include /etc/nginx/xenon-conf/websites/*.web;
  include /etc/nginx/xenon-conf/mapping/*.map;
}

### CUSTOM GENERIC STREAM MASS IMPORTS ###
include /etc/nginx/xenon-conf/stream/*.conf;

提前致谢!

php nginx http-status
1个回答
3
投票

如果nginx正在检测来自FastCGI上游的输出,它会将其视为有效响应,即使上游(在这种情况下,php-fpm)触发了错误。

在PHP-FPM池中禁用display_errors修复了这个问题。

php_admin_value[display_errors] = Off它可以防止PHP脚本向屏幕显示错误输出,从而导致nginx正确抛出HTTP 500内部服务器错误。

$  curl -i localhost:8080/test.php?time=`date +%s` HTTP/1.1 500
Internal Server Error Server: nginx ...

(没有显示输出,空响应)您仍然可以使用error_log指令将所有错误记录到文件中。

php_admin_value[error_log] = /var/log/php-fpm/error.log
php_admin_flag[log_errors] = on

- Source

为了将HTTP状态代码从nginx传递到PHP-FPM,您还需要将以下内容放在PHP处理位置:

fastcgi_intercept_errors on;

根据manual,这个指令:

确定代码大于或等于300的FastCGI服务器响应是应该传递给客户端还是被拦截并重定向到nginx以便使用error_page指令进行处理。

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