ngnix https redirect with querystring - http

Question

I have installed ssl on my server and it's working fine but the issue is that if any user try to access site without https than he/she get redirect to https without query string.
http://example.com?av=23423423 to https://example.com only it's not redirect with query string. I have try to add below code but it's not working.
if ($http_x_forwarded_proto = "http") {
return 301 https://$server_name$request_uri;
}
My conf file is below, anybody can help in this?
upstream mysitecombackend {
server unix:/var/run/php-fcgi-mysitecom.sock;
}
upstream exmplecombackend {
server unix:/var/run/php-fcgi-exmplecom.sock;
}
server {
listen 1.2.4.3:443 ssl;
server_name exmple.com *.exmple.com;
ssl on;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers AES256+EECDH:AES256+EDH:!aNULL;
ssl_prefer_server_ciphers on;
ssl_certificate /etc/ssl/www.exmple.com.cabundle;
ssl_certificate_key /etc/ssl/exmple.key;
location / {
proxy_pass http://127.0.0.1:80;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto https;
proxy_set_header X-Forwarded-Port 443;
# proxy_set_header Host $host$request_uri;
proxy_set_header Host $host;
proxy_set_header Ssl-Offloaded "1";
}
#rewrite ^/(.*) https://exmple.com/$1 permanent;
}
server {
listen 80 default_server;
server_name exmple.com www.exmple.com;
# return 301 https://$host$request_uri;
root /var/www/vhosts/exmple.com/public;
location / {
index index.html index.php;
try_files $uri $uri/ #handler;
expires 30d;
}
location /app/ { deny all; }
location /includes/ { deny all; }
location /lib/ { deny all; }
location /media/downloadable/ { deny all; }
location /pkginfo/ { deny all; }
location /report/config.xml { deny all; }
location /var/ { deny all; }
location /. {
return 404;
}
location #handler {
rewrite / /index.php;
}
location ~ .php/ {
rewrite ^(.*.php)/ $1 last;
}
include "ssl_offloading.inc";
location ~ .php$ {
if (!-e $request_filename) { rewrite / /index.php last; }
expires off;
fastcgi_pass exmplecombackend;
fastcgi_param HTTPS $fastcgi_https;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
# fastcgi_param MAGE_RUN_CODE default;
# fastcgi_param MAGE_RUN_TYPE store;
include fastcgi_params;
}
}

Answer 1

You never set $http_x_forwarded_proto to http so the if condition is always false.
You might try comparing the variable to https instead, for example:
if ($http_x_forwarded_proto != "https") {
return 301 https://$server_name$request_uri;
}