3 # This library of functions is used for filtering messages.
7 # processes approval decision.
11 # Subject, newsgroup, ShortDirectoryName, decision, comment
13 sub process_approval_decision {
14 my $cathow = @_>=6 ? pop(@_) : "UNKNOWN";
15 my $comment = pop( @_ );
16 my $decision = pop( @_ );
17 my $ShortDirectoryName = pop( @_ );
18 my $newsgroup = pop( @_ );
19 my $Subject = pop( @_ );
22 my $address = $newsgroups_index{$newsgroup};
24 my $message = "To: $newsgroups_index{$newsgroup}\n" .
25 "Subject: $Subject\n" .
26 "Organization: http://www.algebra.com/~ichudov/stump\n";
28 $message .= "\n$decision\n";
29 $message .= "comment $comment\n" if $comment;
30 &email_message( $message, $address );
32 my $sanisubj= $Subject;
33 $sanisubj =~ s/.*\:\://;
35 print STDERR "DECISION: $newsgroup | $ShortDirectoryName | $decision | $cathow | $now | $sanisubj\n";
37 &rmdir_rf( &article_file_name( $ShortDirectoryName ) );
42 ###################################################################### checkAck
43 # checks the string matches one of the substrings. A name is matched
44 # against the substrings as regexps and substrings as literal substrings.
46 # Arguments: address, listname
47 sub name_is_in_list { # address, listname
48 my $listName = pop( @_ );
49 my $address = pop( @_ );
54 $address = "\L$address";
56 open( LIST, &full_config_file_name( $listName ) ) || return "";
58 while( $item = <LIST> ) {
62 next if $item =~ /^\s*$/;
64 my $quoted_item = quotemeta( $item );
66 if( eval { $address =~ /$item/i; } || $address =~ /$quoted_item/i ) {
77 ######################################################################
78 # reviews incoming message and decides: approve, reject, keep
79 # in queue for human review
81 # Arguments: Newsgroup, From, Subject, Message, Dir
83 # RealSubject is the shorter subject from original posting
84 sub review_incoming_message { # Newsgroup, From, Subject, RealSubject, Message, Dir
86 my $message = pop( @_ );
87 my $real_subject = pop( @_ );
88 my $subject = pop( @_ );
90 my $newsgroup = pop( @_ );
92 if( &name_is_in_list( $from, "bad.posters.list" ) ) {
93 &process_approval_decision( $subject, $newsgroup, $dir, "reject abuse", "", "auto bad poster" );
97 if( &name_is_in_list( $real_subject, "bad.subjects.list" ) ) {
98 &process_approval_decision( $subject, $newsgroup, $dir, "reject thread", "", "auto bad subject" );
102 if( &name_is_in_list( $message, "bad.words.list" ) ) {
103 &process_approval_decision( $subject, $newsgroup, $dir, "reject charter",
104 "Your message has been autorejected because it appears to be off topic
105 based on our filtering criteria. Like everything, filters do not
106 always work perfectly and you can always appeal this decision.",
111 my $warning_file = &article_file_name( $dir ) . "/stump-warning.txt";
114 $ignore_demo_mode = 1;
116 if( $match = &name_is_in_list( $from, "watch.posters.list" ) ) {
117 &append_to_file( $warning_file, "Warning: poster '$from' matches '$match' from the list of suspicious posters\n" );
118 print STDERR "Filing Article for review because poster '$from' matches '$match'\n";
119 return; # file message
122 if( $match = &name_is_in_list( $real_subject, "watch.subjects.list" ) ) {
123 &append_to_file( $warning_file, "Warning: subject '$real_subject' matches '$match' from the list of suspicious subjects\n" );
124 print STDERR "Filing Article for review because subject '$subject' matches '$match'\n";
125 return; # file message
128 if( $match = &name_is_in_list( $message, "watch.words.list" ) ) {
129 &append_to_file( $warning_file, "Warning: article matches '$match' from the list of suspicious words\n" );
130 print STDERR "Filing Article for review because article matches '$match'\n";
131 return; # file message
134 if( &name_is_in_list( $from, "good.posters.list" ) ) {
135 &process_approval_decision( $subject, $newsgroup, $dir, "approve", "",
136 "auto good poster" );
140 if( &name_is_in_list( $real_subject, "good.subjects.list" ) ) {
141 &process_approval_decision( $subject, $newsgroup, $dir, "approve", "",
142 "auto good subject" );
146 # if the message remains here, it is stored for human review.