79 lines
2.7 KiB
Nix
79 lines
2.7 KiB
Nix
{ lib, writeText, writeScript, zsh, coreutils-full, rspamd, ... } @ pkgs:
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let
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sievec = import ./sievec.nix pkgs;
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rspamd_host = "localhost";
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sa-learn-ham-script = writeScript "sa-learn-ham" ''
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#!${zsh}/bin/zsh
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tmpfile=$(${coreutils-full}/bin/mktemp /tmp/spam.XXXXXX)
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${coreutils-full}/bin/cat > $tmpfile
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password=$(${coreutils-full}/bin/cat /run/secrets/services/dovecot/rspamd_password)
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${coreutils-full}/bin/cat $tmpfile | ${rspamd}/bin/rspamc -P $password -h ${rspamd_host} learn_ham
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${coreutils-full}/bin/cat $tmpfile | ${rspamd}/bin/rspamc -P $password -h ${rspamd_host} -w 5 -f 11 fuzzy_del
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${coreutils-full}/bin/rm $tmpfile
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'';
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sa-learn-spam-script = writeScript "sa-learn-spam" ''
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#!${zsh}/bin/zsh
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tmpfile=$(${coreutils-full}/bin/mktemp /tmp/spam.XXXXXX)
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${coreutils-full}/bin/cat > $tmpfile
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password=$(${coreutils-full}/bin/cat /run/secrets/services/dovecot/rspamd_password)
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${coreutils-full}/bin/cat $tmpfile | ${rspamd}/bin/rspamc -P $password -h ${rspamd_host} learn_spam
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${coreutils-full}/bin/cat $tmpfile | ${rspamd}/bin/rspamc -P $password -h ${rspamd_host} -w 5 -f 11 fuzzy_add
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${coreutils-full}/bin/rm $tmpfile
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'';
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removeStore = location: lib.removePrefix "/nix/store/" "${location}";
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in
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{
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default = sievec {
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name = "default";
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src = writeText "default.sieve" ''
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require "fileinto";
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if header :contains "X-Spam" "YES" {
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fileinto "Junk";
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}
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'';
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exts = [ "fileinto" ];
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};
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report-ham = sievec {
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name = "report-ham";
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src = writeText "report-ham.sieve" ''
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require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];
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if environment :matches "imap.mailbox" "*" {
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set "mailbox" "$${1}";
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}
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if string "$${mailbox}" [ "Trash", "train_ham", "train_prob", "train_spam" ] {
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stop;
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}
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pipe :copy "${removeStore sa-learn-ham-script}";
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'';
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exts = [ "vnd.dovecot.pipe" "copy" "imapsieve" "environment" "variables" ];
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};
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report-spam = sievec {
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name = "report-spam";
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src = writeText "report-spam.sieve" ''
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require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "imap4flags"];
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if environment :is "imap.cause" "COPY" {
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pipe :copy "${removeStore sa-learn-spam-script}";
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}
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# Catch replied or forwarded spam
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elsif anyof (allof (hasflag "\\Answered",
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environment :contains "imap.changedflags" "\\Answered"),
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allof (hasflag "$Forwarded",
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environment :contains "imap.changedflags" "$Forwarded")) {
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pipe :copy "${removeStore sa-learn-spam-script}";
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}
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'';
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exts = [ "vnd.dovecot.pipe" "copy" "imapsieve" "environment" "imap4flags" ];
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};
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}
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