--- /dev/null
+#!/usr/bin/perl
+package IkiWiki::Plugin::notifyemail;
+
+use warnings;
+use strict;
+use IkiWiki 3.00;
+
+sub import {
+ hook(type => "formbuilder_setup", id => "notifyemail", call => \&formbuilder_setup);
+ hook(type => "formbuilder", id => "notifyemail", call => \&formbuilder);
+ hook(type => "getsetup", id => "notifyemail", call => \&getsetup);
+ hook(type => "changes", id => "notifyemail", call => \¬ify);
+}
+
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => 0,
+ section => "misc",
+ },
+}
+
+sub formbuilder_setup (@) {
+ my %params=@_;
+
+ my $form=$params{form};
+ return unless $form->title eq "preferences";
+ my $session=$params{session};
+ $form->field(name => "subscriptions", size => 50,
+ fieldset => "preferences",
+ comment => "(".htmllink("", "", "ikiwiki/PageSpec", noimageinline => 1).")",
+ value => getsubscriptions($session->param("name")));
+}
+
+sub formbuilder (@) {
+ my %params=@_;
+ my $form=$params{form};
+ return unless $form->title eq "preferences" &&
+ $form->submitted eq "Save Preferences" && $form->validate &&
+ defined $form->field("subscriptions");
+ setsubscriptions($form->field('name'), $form->field('subscriptions'));
+}
+
+sub getsubscriptions ($) {
+ my $user=shift;
+ eval q{use IkiWiki::UserInfo};
+ error $@ if $@;
+ IkiWiki::userinfo_get($user, "subscriptions");
+}
+
+sub setsubscriptions ($$) {
+ my $user=shift;
+ my $subscriptions=shift;
+ eval q{use IkiWiki::UserInfo};
+ error $@ if $@;
+ IkiWiki::userinfo_set($user, "subscriptions", $subscriptions);
+}
+
+# Called by other plugins to subscribe the user to a pagespec.
+sub subscribe ($$) {
+ my $user=shift;
+ my $addpagespec=shift;
+ my $pagespec=getsubscriptions($user);
+ setsubscriptions($user, $pagespec." or ".$addpagespec);
+}
+
+sub notify (@) {
+ my @files=@_;
+ return unless @files;
+
+ eval q{use Mail::Sendmail};
+ error $@ if $@;
+ eval q{use IkiWiki::UserInfo};
+ error $@ if $@;
+
+ # Daemonize, in case the mail sending takes a while.
+ #defined(my $pid = fork) or error("Can't fork: $!");
+ #return if $pid; # parent
+ #chdir '/';
+ #open STDIN, '/dev/null';
+ #open STDOUT, '>/dev/null';
+ #POSIX::setsid() or error("Can't start a new session: $!");
+ #open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
+
+ # Don't need to keep a lock on the wiki as a daemon.
+ IkiWiki::unlockwiki();
+
+ my $userinfo=IkiWiki::userinfo_retrieve();
+ #exit 0 unless defined $userinfo;
+
+ foreach my $user (keys %$userinfo) {
+ my $pagespec=$userinfo->{$user}->{"subscriptions"};
+ next unless defined $pagespec && length $pagespec;
+ my $email=$userinfo->{$user}->{email};
+ next unless defined $email && length $email;
+ print "!!$user\n";
+
+ foreach my $file (@files) {
+ my $page=pagename($file);
+ print "file: $file ($page)\n";
+ next unless pagespec_match($page, $pagespec);
+ my $content="";
+ my $showcontent=defined pagetype($file);
+ if ($showcontent) {
+ $content=eval { readfile(srcfile($file)) };
+ $showcontent=0 if $@;
+ }
+ my $url;
+ if (! IkiWiki::isinternal($page)) {
+ $url=urlto($page, undef, 1);
+ }
+ elsif (defined $pagestate{$page}{meta}{permalink}) {
+ # need to use permalink for an internal page
+ $url=$pagestate{$page}{meta}{permalink};
+ }
+ else {
+ $url=$config{wikiurl}; # crummy fallback url
+ }
+ my $template=template("notifyemail.tmpl");
+ $template->param(
+ wikiname => $config{wikiname},
+ url => $url,
+ prefsurl => IkiWiki::cgiurl(do => "prefs"),
+ showcontent => $showcontent,
+ content => $content,
+ );
+ #translators: The two variables are the name of the wiki,
+ #translators: and a page that was changed.
+ #translators: This is used as the subject of an email.
+ my $subject=sprintf(gettext("%s: change notification for %s"),
+ $config{wikiname}, $page);
+ sendmail(
+ To => $email,
+ From => "$config{wikiname} <$config{adminemail}>",
+ Subject => $subject,
+ Message => $template->output,
+ );
+ }
+ }
+
+ #exit 0; # daemon child
+}
+
+1