path: root/IkiWiki/UserInfo.pm

#!/usr/bin/perl

use warnings;
use strict;
use Storable;
use IkiWiki;

package IkiWiki;

sub userinfo_retrieve () { #{{{
    my $userinfo=eval{ Storable::lock_retrieve("$config{wikistatedir}/userdb") };
    return $userinfo;
} #}}}
    
sub userinfo_store ($) { #{{{
    my $userinfo=shift;
    
    my $newfile="$config{wikistatedir}/userdb.new";
    my $oldmask=umask(077);
    my $ret=Storable::lock_store($userinfo, $newfile);
    umask($oldmask);
    if (defined $ret && $ret) {
        if (! rename($newfile, "$config{wikistatedir}/userdb")) {
            unlink($newfile);
            $ret=undef;
        }
    }
    return $ret;
} #}}}

sub userinfo_get ($$) { #{{{
    my $user=shift;
    my $field=shift;

    my $userinfo=userinfo_retrieve();
    if (! defined $userinfo ||
        ! exists $userinfo->{$user} || ! ref $userinfo->{$user} ||
            ! exists $userinfo->{$user}->{$field}) {
        return "";
    }
    return $userinfo->{$user}->{$field};
} #}}}

sub userinfo_set ($$$) { #{{{
    my $user=shift;
    my $field=shift;
    my $value=shift;
    
    my $userinfo=userinfo_retrieve();
    if (! defined $userinfo ||
        ! exists $userinfo->{$user} || ! ref $userinfo->{$user}) {
        return "";
    }
    
    $userinfo->{$user}->{$field}=$value;
    return userinfo_store($userinfo);
} #}}}

sub userinfo_setall ($$) { #{{{
    my $user=shift;
    my $info=shift;
    
    my $userinfo=userinfo_retrieve();
    if (! defined $userinfo) {
        $userinfo={};
    }
    $userinfo->{$user}=$info;
    return userinfo_store($userinfo);
} #}}}

sub is_admin ($) { #{{{
    my $user_name=shift;

    return grep { $_ eq $user_name } @{$config{adminuser}};
} #}}}

sub get_banned_users () { #{{{
    my @ret;
    my $userinfo=userinfo_retrieve();
    foreach my $user (keys %{$userinfo}) {
        push @ret, $user if $userinfo->{$user}->{banned};
    }
    return @ret;
} #}}}

sub set_banned_users (@) { #{{{
    my %banned=map { $_ => 1 } @_;
    my $userinfo=userinfo_retrieve();
    foreach my $user (keys %{$userinfo}) {
        $userinfo->{$user}->{banned} = $banned{$user};
    }
    return userinfo_store($userinfo);
} #}}}

sub commit_notify_list ($@) { #{{{
    my $committer=shift;
    my @pages = map pagename($_), @_;

    my @ret;
    my $userinfo=userinfo_retrieve();
    foreach my $user (keys %{$userinfo}) {
        next if $user eq $committer;
        if (exists $userinfo->{$user}->{subscriptions} &&
            length $userinfo->{$user}->{subscriptions} &&
            exists $userinfo->{$user}->{email} &&
            length $userinfo->{$user}->{email} &&
            grep { pagespec_match($_,
                    $userinfo->{$user}->{subscriptions}, 
                    user => $committer) }
                    map pagename($_), @_) {
            push @ret, $userinfo->{$user}->{email};
        }
    }
    return @ret;
} #}}}

sub send_commit_mails ($$$@) { #{{{
    my $messagesub=shift;
    my $diffsub=shift;
    my $user=shift;
    my @changed_pages=@_;

    return unless @changed_pages;

    my @email_recipients=commit_notify_list($user, @changed_pages);
    if (@email_recipients) {
        # TODO: if a commit spans multiple pages, this will send
        # subscribers a diff that might contain pages they did not
        # sign up for. Should separate the diff per page and
        # reassemble into one mail with just the pages subscribed to.
        my $diff=$diffsub->();
        my $message=$messagesub->();

        my $pagelist;
        if (@changed_pages > 2) {
            $pagelist="$changed_pages[0] $changed_pages[1] ...";
        }
        else {
            $pagelist.=join(" ", @changed_pages);
        }
        #translators: The three variables are the name of the wiki,
        #translators: A list of one or more pages that were changed,
        #translators: And the name of the user making the change.
        #translators: This is used as the subject of a commit email.
        my $subject=sprintf(gettext("update of %s's %s by %s"), 
            $config{wikiname}, $pagelist, $user);

        my $template=template("notifymail.tmpl");
        $template->param(
            wikiname => $config{wikiname},
            diff => $diff,
            user => $user,
            message => $message,
        );

        # Daemonize, in case the mail sending takes a while.
        defined(my $pid = fork) or error("Can't fork: $!");
        return if $pid;
        setsid() or error("Can't start a new session: $!");
        chdir '/';
        open STDIN, '/dev/null';
        open STDOUT, '>/dev/null';
        open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");

        unlockwiki(); # don't need to keep a lock on the wiki

        eval q{use Mail::Sendmail};
        error($@) if $@;
        foreach my $email (@email_recipients) {
            sendmail(
                To => $email,
                From => "$config{wikiname} <$config{adminemail}>",
                Subject => $subject,
                Message => $template->output,
            );
        }

        exit 0; # daemon process done
    }
} #}}}

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