From 38229739b7cee263208d39b2c55b942e4d21c632 Mon Sep 17 00:00:00 2001
From: David Lawrence <dkl@mozilla.com>
Date: Tue, 6 Oct 2015 14:37:10 +0800
Subject: Bug 1196620 - support automatic removal of inactive users from groups

---
 scripts/remove_idle_group_members.pl | 132 +++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100755 scripts/remove_idle_group_members.pl

(limited to 'scripts')

diff --git a/scripts/remove_idle_group_members.pl b/scripts/remove_idle_group_members.pl
new file mode 100755
index 000000000..d0eda387a
--- /dev/null
+++ b/scripts/remove_idle_group_members.pl
@@ -0,0 +1,132 @@
+#!/usr/bin/perl
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This Source Code Form is "Incompatible With Secondary Licenses", as
+# defined by the Mozilla Public License, v. 2.0.
+
+use strict;
+use warnings;
+
+use FindBin qw($Bin);
+use lib "$Bin/..";
+
+use Bugzilla;
+BEGIN { Bugzilla->extensions() }
+
+use Bugzilla::Constants;
+use Bugzilla::Error;
+use Bugzilla::Field;
+use Bugzilla::Group;
+use Bugzilla::Mailer;
+use Bugzilla::User;
+
+use Sys::Hostname qw(hostname);
+
+Bugzilla->usage_mode(USAGE_MODE_CMDLINE);
+
+my $dbh = Bugzilla->dbh;
+
+# Record any changes as made by the automation user
+my $auto_user = Bugzilla::User->check({ name => 'automation@bmo.tld' });
+
+my $expired = $dbh->selectall_arrayref(
+    "SELECT DISTINCT profiles.userid AS user_id,
+            groups.id AS group_id
+       FROM profiles JOIN user_group_map ON profiles.userid = user_group_map.user_id
+            JOIN groups ON user_group_map.group_id = groups.id
+      WHERE user_group_map.grant_type = ?
+            AND groups.idle_member_removal > 0
+            AND (profiles.last_seen_date IS NULL
+                 OR TO_DAYS(LOCALTIMESTAMP(0)) - TO_DAYS(profiles.last_seen_date) > groups.idle_member_removal)
+      ORDER BY profiles.login_name",
+    { Slice => {} }, GRANT_DIRECT
+);
+
+exit(0) if !@$expired;
+
+my %remove_data = ();
+foreach my $data (@$expired) {
+    $remove_data{$data->{group_id}} ||= [];
+    push(@{ $remove_data{$data->{group_id}} }, $data->{user_id});
+}
+
+# 1. Remove users from the group
+# 2. $user->update will add audit log and profile_activity entries
+# 3. Send email to group owner showing users removed
+foreach my $group_id (keys %remove_data) {
+    my $group = Bugzilla::Group->new({ id => $group_id, cache => 1 });
+
+    $dbh->bz_start_transaction();
+
+    my @users_removed = ();
+    foreach my $user_id (@{ $remove_data{$group->id} }) {
+        my $user = Bugzilla::User->new({ id => $user_id, cache => 1 });
+        Bugzilla->set_user(Bugzilla::User->super_user);
+        $user->set_groups({ remove => [ $group->name ] });
+        $user->set_bless_groups({ remove => [ $group->name ] });
+        Bugzilla->set_user($auto_user);
+        $user->update();
+        push(@users_removed, $user);
+    }
+
+    $dbh->bz_commit_transaction();
+
+    # nobody@mozilla.org cannot recieve email
+    next if $group->owner->login eq 'nobody@mozilla.org';
+
+    _send_email($group, \@users_removed);
+}
+
+sub _send_email {
+    my ($group, $users) = @_;
+
+    my $template = Bugzilla->template_inner($group->owner->setting('lang'));
+    my $vars = { group => $group, users => $users };
+
+    my ($header, $text);
+    $template->process("admin/groups/email/idle-member-removal-header.txt.tmpl", $vars, \$header)
+        || ThrowTemplateError($template->error());
+    $header .= "\n";
+    $template->process("admin/groups/email/idle-member-removal.txt.tmpl", $vars, \$text)
+        || ThrowTemplateError($template->error());
+
+    my @parts = (
+        Email::MIME->create(
+            attributes => {
+                content_type => 'text/plain',
+                charset      => 'UTF-8',
+                encoding     => 'quoted-printable',
+            },
+            body_str => $text,
+        )
+    );
+
+    if ($group->owner->setting('email_format') eq 'html') {
+        my $html;
+        $template->process("admin/groups/email/idle-member-removal.html.tmpl", $vars, \$html)
+            || ThrowTemplateError($template->error());
+        push @parts, Email::MIME->create(
+            attributes => {
+                content_type => 'text/html',
+                charset      => 'UTF-8',
+                encoding     => 'quoted-printable',
+            },
+            body_str => $html,
+        );
+    }
+
+    my $email = Email::MIME->new($header);
+    $email->header_set('X-Generated-By' => hostname());
+    if (scalar(@parts) == 1) {
+        $email->content_type_set($parts[0]->content_type);
+    }
+    else {
+        $email->content_type_set('multipart/alternative');
+    }
+    $email->parts_set(\@parts);
+
+    MessageToMTA($email);
+}
-- 
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