1

I have following location with rewrite:

location ~ ^/payment/gateway/v2/order/complete/(.*)$ { proxy_pass http://api.test.com:8080/payment/gateway/v2/order/complete?order_id=$1; }

then I tried this:

 location /payment/gateway/v2/order/complete { rewrite ^/payment/gateway/v2/order/complete/(.+) /payment/gateway/v2/order/complete?order_id=$1 break; proxy_pass http://api.test.com:8080 }

then this:

 location /payment/gateway/v2/order/complete/ { rewrite ^/payment/gateway/v2/order/complete/$ /payment/gateway/v2/order/complete?order_id=$1 last; proxy_pass http://api.test.com:8080 }

then this:

location /payment/gateway/v2/order/complete { rewrite ^/payment/gateway/v2/order/complete/([^/]+)$ /payment/gateway/v2/order/complete?order_id=$1 last; proxy_pass http://api.test.com:8080; }

all of them not works.

EDIT: this is full nginx config:

server { listen 443 ssl; server_name api.test.com www.api.test.com; ssl_certificate /home/ssl/api.test.com/cert.pem; ssl_certificate_key /home/ssl/api.test.com/key.pem; ssl_protocols SSLv3 TLSv1.2; ssl_ciphers "RC4:HIGH:!aNULL:!MD5:!kEDH"; add_header Strict-Transport-Security 'max-age=604800'; access_log /var/log/nginx/api.test.access.log; error_log /var/log/nginx/api.test.error.log; root /home/test; include /etc/nginx/conf/wellknown.conf; location /payment/paypal { proxy_pass http://api.test.com:8080; } location /payment/visa { proxy_pass http://api.test.com:8080; } location /payment/gateway { proxy_pass http://api.test.com:8080; } location /payment/gateway/order/complete { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://api.test.com:8080; } location /payment/gateway/v2/order/complete { rewrite ^/payment/gateway/v2/order/complete/(.+) /payment/gateway/v2/order/complete?order_id=$1 break; proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://api.test.com:8080; } location /payment/mastercard/order { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://api.test.com:8080; } location /payment/mir/order { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://api.test.com:8080; } location /payment/v1 { proxy_pass http://api.test.com:8080; } location /catalog { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://localhost:9202; } location / { if ($request_method = 'OPTIONS') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Locale'; add_header 'Access-Control-Max-Age' 1728000; add_header 'Content-Type' 'text/plain charset=UTF-8'; add_header 'Content-Length' 0; return 204; } if ($request_method = 'POST') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; } if ($request_method = 'GET') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; add_header 'Access-Control-Expose-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; } } location /test-rpc { proxy_pass http://api.test.com:8080; } }

EDIT2: here wellknown.conf config file body:

location ^~ /.well-known/ { default_type "text/plain"; allow all; }

EDIT3 I optimized the locations, but it doesn't affect the final result:

server { listen 443 ssl; server_name api.test.com www.api.test.com; ssl_certificate /home/ssl/api.test.com/cert.pem; ssl_certificate_key /home/ssl/api.test.com/key.pem; ssl_protocols SSLv3 TLSv1.2; ssl_ciphers "RC4:HIGH:!aNULL:!MD5:!kEDH"; add_header Strict-Transport-Security 'max-age=604800'; access_log /var/log/nginx/api.test.access.log; error_log /var/log/nginx/api.test.error.log; root /home/test; include /etc/nginx/conf/wellknown.conf; location /payment/gateway/v2/order/complete { rewrite ^/payment/gateway/v2/order/complete/(.+) /payment/gateway/v2/order/complete?order_id=$1 break; proxy_pass http://api.test.com:8085; } location /payment { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://api.test.com:8085; } location /catalog { proxy_set_header Host $http_host; proxy_set_header Scheme $scheme; proxy_set_header SERVER_PORT $server_port; proxy_set_header REMOTE_ADDR $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://localhost:9202; } location / { if ($request_method = 'OPTIONS') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Locale'; add_header 'Access-Control-Max-Age' 1728000; add_header 'Content-Type' 'text/plain charset=UTF-8'; add_header 'Content-Length' 0; return 204; } if ($request_method = 'POST') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; } if ($request_method = 'GET') { add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; add_header 'Access-Control-Expose-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; } } location /test-rpc { proxy_pass http://api.test.com:8080; } }

Nginx version 1.13.8

Thanks in advance

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10
  • At least first two of them looks ok, what you do receive on your backend instead of right URI/query string? Commented Nov 5, 2020 at 4:24
  • not changed request url i receives: api.test.com:8080/payment/gateway/v2/order/complete/23223 Commented Nov 5, 2020 at 15:21
  • Do you have any other locations with the proxy_pass http://api.test.com:8080;? Can't it be that some other location is taking priority over this one? Commented Nov 5, 2020 at 17:16
  • I edited my answer, there have full nginx config, there are all paths different Commented Nov 6, 2020 at 10:09
  • I don't see any errors, the location /payment/gateway/v2/order/complete is really a longest prefix location and should capture those requests. Ok, I'd try to test this config on the weekend (need a couple of free time for this) and will tell you what I've got. Commented Nov 6, 2020 at 11:44

2 Answers 2

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1
+100

This should be possible to do without using the rewrite command.

location ~* /payment/gateway/v2/order/complete/(.+)$ { proxy_pass http://api.test.com:8085/payment/gateway/v2/order/complete?order_id=$1; }

In this example we use the case insensitive regex (~*) to capture everything after complete in the URL, then inside the location we rebuild the request using the $1.

To test the setup, I added a configuration to my nginx:

server { listen 80; server_name localhost; location ~* /payment/gateway/v2/order/complete/(.+)$ { proxy_pass http://localhost:8085/payment/gateway/v2/order/complete?order_id=$1; } location / { return 404; } } server { listen 8085; server_name localhost; location ~ /payment/gateway/v2/order/complete(.*) { return 202; } }

This is configured so that a successful hit will be proxied to the other server and return a 202, and any unsuccessful hit will result in a 40x response.

This can be tested from the 'client side' using curl, like this:

$ curl -v http://localhost:80/payment/gateway/v2/order/complete/1234 -L * Trying 127.0.0.1:80... * TCP_NODELAY set * Connected to localhost (127.0.0.1) port 80 (#0) > GET /payment/gateway/v2/order/complete/1234 HTTP/1.1 > Host: localhost > User-Agent: curl/7.68.0 > Accept: */* > * Mark bundle as not supporting multiuse < HTTP/1.1 202 Accepted < Server: nginx/1.18.0 (Ubuntu) < Date: Thu, 12 Nov 2020 02:02:12 GMT < Content-Type: application/octet-stream < Content-Length: 0 < Connection: keep-alive < * Connection #0 to host localhost left intact

And seeing the logs, we observe two entries:

  1. The connection from the 'client' to the 'frontend' with the original path:
127.0.0.1 - - [12/Nov/2020:02:02:12 +0000] "GET /payment/gateway/v2/order/complete/1234 HTTP/1.1" 202 0 "-" "curl/7.68.0"
  1. The connection from the 'frontend' to the 'backend' which includes the modified path:
127.0.0.1 - - [12/Nov/2020:02:02:12 +0000] "GET /payment/gateway/v2/order/complete?order_id=1234 HTTP/1.0" 202 0 "-" "curl/7.68.0"

This could also be cleaned up a bit to only match requests that contain a valid ID using a more complex regex. Nginx supports full PCRE for match/set expressions.

Source: https://nginx.org/en/docs/http/ngx_http_core_module.html#location

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1

What about this?

location /payment/gateway/v2/order/complete { rewrite ^/payment/gateway/v2/order/complete/([^/]+)/? /payment/gateway/v2/order/complete/?order_id=$1? break; proxy_pass http://api.test.com:8080; }

Note that I have removed the end string char $ and that I have added an optional trailing slash /?. I have also changed the redirect flag last with break to prevent redirection loops. Finally, the trailing ? in the destination URL prevents nginx from adding the previous request arguments if there were any. That regular expression matchs strings like these:

/payment/gateway/v2/order/complete/123123 /payment/gateway/v2/order/complete/123123/ /payment/gateway/v2/order/complete/123123/whatever /payment/gateway/v2/order/complete/123123/whatever?var=a

In all those cases, $1 would be 123123 and the redirect destination is /payment/gateway/v2/order/complete/?order_id=123123

You can test the redirection with curl:

curl -I https://yoursite/payment/gateway/v2/order/complete/123123/whatever/you/want/?var1=1&var2=b

You should get a response with Location: https://yoursite/payment/gateway/v2/order/complete/?order_id=123123

Documentation: http://nginx.org/en/docs/http/ngx_http_rewrite_module.html#rewrite

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