Fixed proxy support leading to false positives

[slicingmelon]

The current proxy support implementation does not work well, it leads only to false positives. (e.g. all responses are 200 OK) because it does not handle all HTTP methods properly.

Sample results before the fix

[#####] [bypass_method] [payload] => [status_code] [content_type] [content_length] [lines_count] [word_counts] [title] [server] [redirect_url] (filename)
[GROUP (4108)] [http_headers_ip] [-H X-MS-Forwarded-Client-IP: 185.80.125.66 https://mynewsite.net/index] => [200] [] [316] [6] [16] [] [] [] (bypass-623d3057c3c2b3d16a149d6194ce6276.html)
[GROUP (14)] [http_headers_ip] [-H Host: 8.8.8.8 https://mynewsite.net/index] => [200] [] [59] [2] [4] [] [] [] (bypass-0e740fd65ce7819f6f7d45dd3d757adc.html)
[SINGLE] [http_headers_ip] [-H Host: 0177.1 https://mynewsite.net/index] => [200] [] [355] [7] [17] [] [] [] (bypass-c233403fb9853f6c1af0c73db18a619c.html)
[SINGLE] [http_methods] [-X CONNECT https://mynewsite.net/index] => [200] [] [155] [5] [9] [] [] [] (bypass-8fa1f8df2f295cfedd890ecbb222bf77.html)
[SINGLE] [http_methods] [-X OPTIONS https://mynewsite.net/index] => [200] [] [483] [9] [19] [] [] [] (bypass-8e08bdc57deaae9079edc009bf23a4d7.html)
2024-10-30 19:36:16 DESKTOP-6Q0P1OL HeadBypasser[509] INFO Save JSON results for 'https://mynewsite.net/index' in /tmp/tmp5eyz9wi9-bypass-url-parser/triaged-bypass.json

Sample results after the patch:

[#####] [bypass_method] [payload] => [status_code] [content_type] [content_length] [lines_count] [word_counts] [title] [server] [redirect_url] (filename)
[GROUP (3935)] [http_headers_ip] [-H Via: norealhost https://mynewsite.net/index] => [403] [text/html] [564] [13] [69] [403 Forbidden] [nginx] [] (bypass-ebc064b935fb0f5eb8d6fd9e3a28c190.html)
[GROUP (135)] [mid_paths] [https://cms.redtube.com//;/..//%2e%2e/ldap_login] => [400] [text/html] [166] [7] [5] [400 Bad Request] [nginx] [] (bypass-8baa237d38f4b788e5a08f4ab9cf27bd.html)
[GROUP (37)] [user_agent] [-H User-Agent: Ruby https://mynewsite.net/index] => [403] [text/html] [162] [7] [3] [403 Forbidden] [nginx] [] (bypass-d1f18f6c7b9c76e4858b35a936b20a79.html)
[GROUP (13)] [http_headers_ip] [-H Host: 192.168.0.2 https://mynewsite.net/index] => [403] [text/html] [3187] [28] [215] [] [] [] (bypass-ca29174257875cc578ec0830ffe3ee2f.html)
[SINGLE] [http_methods] [-X OPTIONS https://mynewsite.net/index] => [200] [application/octet] [0] [0] [0] [] [nginx] [] (bypass-8e08bdc57deaae9079edc009bf23a4d7.html)
[SINGLE] [http_headers_ip] [-H Host: 0177.1 https://mynewsite.net/index] => [301] [text/html] [178] [7] [5] [301 Moved Permanently] [nginx] [http://www.0177.1/ldap_login] (bypass-c233403fb9853f6c1af0c73db18a619c.html)
[SINGLE] [http_methods] [-X CONNECT https://mynewsite.net/index] => [200] [text/html] [1394] [26] [130] [Burp Suite Professional] [] [] (bypass-8fa1f8df2f295cfedd890ecbb222bf77.html)
[SINGLE] [http_methods] [-X TRACE https://mynewsite.net/index] => [405] [text/html] [568] [13] [71] [405 Not Allowed] [nginx] [] (bypass-34e1b725272c95bf1d3390456fee54b6.html)
[SINGLE] [http_methods] [-X PRI https://mynewsite.net/index] => [400] [text/html] [3172] [27] [198] [] [] [] (bypass-8c8e46f531e4b5d16c9aaa14e5c70905.html)