Nginx - Cant fin index.php if not under / (root) location - php

Question

I have trouble to run davical (php) web calendar. There is no errol log in nginx error logs. When is calendar under \ location everything work. But when i have calendar under /calendar location. it returns 404.
default server root is: /usr/share/nginx/html/default
calendar index.php path: /usr/share/nginx/html/calendar/davical/htdocs\index.php
os: Centos 7
server {
listen 80 default_server;
server_name my_domain_name;
return 301 https://$server_name$request_uri;
}
Https
server {
listen 443 ssl http2;
server_name my_domain_name;
fastcgi_buffers 8 16k;
fastcgi_buffer_size 32k;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
ssl on;
ssl_certificate "/etc/pki/tls/certs/nginx/certificate.pem";
ssl_certificate_key "/etc/pki/tls/certs/nginx/privatekey.pem";
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
ssl_session_tickets off;
ssl_dhparam "/etc/pki/tls/certs/nginx/dhparam.pem";
ssl_prefer_server_ciphers on;
ssl_protocols TLSv1.1 TLSv1.2;
ssl_ciphers HIGH:!aNULL:!MD5;
resolver 8.8.8.8 8.8.4.4;
ssl_stapling on;
ssl_stapling_verify on;
ssl_trusted_certificate "/etc/pki/tls/certs/nginx/certificate.pem";
add_header Strict-Transport-Security "max-age=31536000;includeSubdomains; preload";
root /usr/share/nginx/html/default;
index index.php index.html index.htm;
include /etc/nginx/default.d/php-fpm.conf;
location /calendar {
alias /usr/share/nginx/html/calendar/davical/htdocs;
}
error_page 404 /404.html;
location = /40x.html {
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}
php-fpm.conf
location ~ \.php$ {
try_files $uri =404;
fastcgi_param HTTPS on;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME
$document_root$fastcgi_script_name;
include fastcgi_params;
}

Answer 1

Your existing location ~ \.php$ block serves the /usr/share/nginx/html/default root. You need a nested location to process PHP files under the /calendar URI.
Assuming that your calendar app is designed to work within a subfolder, this may work for you:
location ^~ /calendar {
alias /usr/share/nginx/html/calendar/davical/htdocs;
index index.php;
if (!-e $request_filename) {
rewrite ^ /calendar/index.php last;
}
location ~ \.php$ {
if (!-f $request_filename) { return 404; }
include fastcgi_params;
fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME $request_filename;
}
}
Use the ^~ modifier to prevent the other location ~ \.php$ block from taking precedence (see this document for more). Use $request_filename, as it works with alias. Avoid using try_files with alias (see this issue).