acl_smtp_data = acl_check_data

acl_check_data_rspamd:

	warn	set acl_m0	= ${dlfunc{/usr/local/libexec/exim/exim-dlfunc.so}{rspamd}\
				{confRSPAMD_ADDRESS}{defer_ok}}

	warn	condition	= ${if eq{$acl_m0}{}{yes}{no}}
		log_message	= RSPAMD connection failes
		add_header	= X-Rspamd-Info: RSPAMD check failed on $primary_hostname
		set acl_m_contentscan_result = defer
	warn	set acl_m0	= ${sg{${sg{$acl_m0}{\r\n}{\n}}}{\N\n+$\N}{\n}}
	warn	condition	= ${if match{$acl_m0}{\N^rspamd dlfunc:\s*\N}{yes}{no}}
		log_message	= RSPAMD connection deferred: ${sg{$acl_m0}{\N^rspamd dlfunc:\s*\N}{}}
		add_header	= X-Rspamd-Info: RSPAMD connection deferred on $primary_hostname: ${sg{$acl_m0}{\N^rspamd dlfunc:\s*\N}{}}
		set acl_m0	= 
		set acl_m_contentscan_result = defer

	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}\
				{\N^RSPAMD answer: RSPAMD/(\S+) 0 EX_OK\N}{$1}{}}
#		logwrite	= RSPAMD check: RSPAMD protocol version: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
		add_header	= X-Rspamd-Protocol-Version: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
		set acl_m0	= ${sg{$acl_m0}{\N^RSPAMD answer: RSPAMD/.+?\n\N}{}}
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}{\N^((.+?\n)*?)Urls: ([^\n]*)\N}{$3}{}}
		set acl_m0	= ${if match{$acl_m0}{\N^((.+?\n)*?)Urls: ([^\n]*)\n((.*\n)*)$\N}{$1$4}{$acl_m0}}
		set acl_m1	= ${sg{$acl_m1}{\N, $\N}{}}
		condition	= ${if eq{$acl_m1}{}{no}{yes}}
#		logwrite	= RSPAMD check: RSPAMD Urls: $acl_m1
		add_header	= X-Rspamd-Urls: $acl_m1
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}{\N^((.+?\n)*?)Emails: ([^\n]*)\N}{$3}{}}
		set acl_m0	= ${if match{$acl_m0}{\N^((.+?\n)*?)Emails: ([^\n]*)\n((.*\n)*)$\N}{$1$4}{$acl_m0}}
		set acl_m1	= ${sg{$acl_m1}{\N, $\N}{}}
		condition	= ${if eq{$acl_m1}{}{no}{yes}}
#		logwrite	= RSPAMD check: RSPAMD Emails: $acl_m1
		add_header	= X-Rspamd-Emails: $acl_m1
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}{\N^((.+?\n)*?)Message-ID: ([^\n]*)\N}{$3}{}}
		set acl_m0	= ${if match{$acl_m0}{\N^((.+?\n)*?)Message-ID: ([^\n]*)\n((.*\n)*)$\N}{$1$4}{$acl_m0}}
		set acl_m1	= ${sg{$acl_m1}{\N, $\N}{}}
		condition	= ${if eq{$acl_m1}{}{no}{yes}}
#		logwrite	= RSPAMD check: RSPAMD Message-ID: $acl_m1
		add_header	= X-Rspamd-Message-ID: $acl_m1

	warn	set acl_m_rspamd_status =
		set acl_m_rspamd_score =
		condition	= ${if eq{$acl_m0}{}{no}{yes}}
		acl		= acl_process_rspamd_answer
	warn	condition	= ${if match{$acl_m_rspamd_status}{Spam}{yes}{no}}
		set acl_m_rspamd_status = Spam
		add_header	= X-Rspamd-Status: Spam
		logwrite	= RSPAMD check: Status is Spam
	warn	condition	= ${if match{$acl_m_rspamd_status}{Probably spam}{yes}{no}}
		set acl_m_rspamd_status = Probably spam
		add_header	= X-Rspamd-Status: Probably spam
		logwrite	= RSPAMD check: Status is Probably spam
	warn	condition	= ${if match{$acl_m_rspamd_status}{Ham}{yes}{no}}
		set acl_m_rspamd_status = Ham
		add_header	= X-Rspamd-Status: Ham
		logwrite	= RSPAMD check: Status is Ham
	warn	condition	= ${if match{$acl_m_rspamd_status}{unknown}{yes}{no}}
		set acl_m_rspamd_status = unknown
		add_header	= X-Rspamd-Status: unknown
		logwrite	= RSPAMD check: Status unknown
	warn	condition	= ${if eq{$acl_m_rspamd_score}{}{no}{yes}}
		condition	= ${if eq{${extract{2}{:}{$acl_m_rspamd_score}}}{}{yes}{no}}
		add_header	= X-Rspamd-Score: $acl_m_rspamd_score
		logwrite	= RSPAMD score $acl_m_rspamd_score

	accept

acl_process_rspamd_answer:
	accept	condition	= ${if eq{$acl_m0}{}{yes}{no}}

	warn	set acl_m2	= ${sg{$acl_m0}{\N^(Metric:(?:.+?\n)+?)(Metric:(?:.+\n)+)*$\N}{\$1}}
	accept	condition	= ${if eq{$acl_m2}{}{yes}{no}}
	warn	condition	= ${if eq{$acl_m0}{acl_m2}{yes}{no}}
		set acl_m0	= 
	warn	set acl_m0	= ${sg{$acl_m0}{\N^(Metric:(?:.+?\n)+?)(Metric:(?:.+\n)+)*$\N}{\$2}}
	warn	set acl_m3	=
	warn	set acl_m1	= ${if match{$acl_m2}{\N^(?:.*?\n)*?Action:\s*(.+?)\n\N}{$1}{}}
		set acl_m3	= ${if eq{$acl_m1}{}{unknown}{\
				    ${if eq{$acl_m1}{reject}{Spam}{\
					${if eq{$acl_m1}{soft reject}{Probably spam}{\
					    ${if eq{$acl_m1}{rewrite subject}{Probably spam}{\
						${if eq{$acl_m1}{add header}{Probably spam}{\
						    ${if eq{$acl_m1}{greylist}{Probably spam}{\
							${if eq{$acl_m1}{no action}{Ham}{unknown}}\
						    }}\
						}}\
					    }}\
					}}\
				    }}\
				}}
		set acl_m_rspamd_status = ${if eq{$acl_m_rspamd_status}{}{}{$acl_m_rspamd_status:}}${acl_m3}
		logwrite	= RSPAMD check: RSPAMD status: $acl_m3
	warn	condition	= ${if eq{$acl_m3}{}{no}{yes}}
		condition	= ${if eq{$acl_m3}{unknown}{no}{yes}}
		set acl_m2	= ${sg{$acl_m2}{${expand:Action: $acl_m1}}{${expand:Status: $acl_m3}}}
	warn	set acl_m1	= ${if match{$acl_m2}{\N^Metric: [^;]+?; (\S+?); (-?\d+\.\d+ / \d+\.\d+ / \d+\.\d+)\N}{$2}{}}
		set acl_m_rspamd_score = ${if eq{$acl_m_rspamd_score}{}{}{$acl_m_rspamd_score:}}${acl_m1}
		logwrite	= RSPAMD check: RSPAMD scores: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
	warn	logwrite	= RSPAMD check: RSPAMD report: ${if eq{$acl_m2}{}{not found}{$acl_m2}}
		add_header	= X-Rspamd-Report: ${sg{$acl_m2}{\N\n(.)\N}{\n\t\$1}}

	warn	acl		= acl_process_rspamd_answer

	accept