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| -rw-r--r-- | contrib/merge-users.pl | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/contrib/merge-users.pl b/contrib/merge-users.pl new file mode 100644 index 000000000..c8537c661 --- /dev/null +++ b/contrib/merge-users.pl @@ -0,0 +1,245 @@ +#!/usr/bin/perl -wT +# -*- Mode: perl; indent-tabs-mode: nil -*- +# +# The contents of this file are subject to the Mozilla Public +# License Version 1.1 (the "License"); you may not use this file +# except in compliance with the License. You may obtain a copy of +# the License at http://www.mozilla.org/MPL/ +# +# Software distributed under the License is distributed on an "AS +# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +# implied. See the License for the specific language governing +# rights and limitations under the License. +# +# The Original Code is the Bugzilla Bug Tracking System. +# +# The Initial Developer of the Original Code is Netscape Communications +# Corporation. Portions created by Netscape are +# Copyright (C) 1998 Netscape Communications Corporation. All +# Rights Reserved. +# +# Contributor(s): Myk Melez <myk@mozilla.org> +# Frédéric Buclin <LpSolit@gmail.com> + +use strict; + +=head1 NAME + +merge-users.pl - Merge two user accounts. + +=head1 SYNOPSIS + + This script moves activity from one user account to another. + Specify the two accounts on the command line, e.g.: + + ./merge-users.pl old_account@foo.com new_account@bar.com + or: + ./merge-users.pl id:old_userid id:new_userid + or: + ./merge-users.pl id:old_userid new_account@bar.com + + Notes: - the new account must already exist. + - the id:old_userid syntax permits you to migrate + activity from a deleted account to an existing one. + +=cut + +use lib qw(.); + +use Bugzilla; +use Bugzilla::Config qw(:DEFAULT); +use Bugzilla::Util; + +use Getopt::Long; +use Pod::Usage; + +my $dbh = Bugzilla->dbh; + +# Display the help if called with --help or -?. +my $help = 0; +my $result = GetOptions("help|?" => \$help); +pod2usage(0) if $help; + + +# We require Bugzilla 2.20 or higher (including 2.22+). +my $current_version = $Bugzilla::Config::VERSION; +if ($current_version =~ /^2\.2[0123]/) { + print "OK, you are using Bugzilla $current_version\n" +} +else { + die "You are using Bugzilla $current_version but Bugzilla " . + "2.20 - 2.23 is required.\n"; +} + + +# Make sure accounts were specified on the command line and exist. +my $old = $ARGV[0] || die "You must specify an old user account.\n"; +my $old_id; +if ($old =~ /^id:(\d+)$/) { + # As the old user account may be a deleted one, we don't + # check whether this user ID is valid or not. + # If it never existed, no damage will be done. + $old_id = $1; +} +else { + trick_taint($old); + $old_id = $dbh->selectrow_array('SELECT userid FROM profiles + WHERE login_name = ?', + undef, $old); +} +if ($old_id) { + print "OK, old user account $old found; user ID: $old_id.\n"; +} +else { + die "The old user account $old does not exist.\n"; +} + +my $new = $ARGV[1] || die "You must specify a new user account.\n"; +my $new_id; +if ($new =~ /^id:(\d+)$/) { + $new_id = $1; + # Make sure this user ID exists. + $new_id = $dbh->selectrow_array('SELECT userid FROM profiles + WHERE userid = ?', + undef, $new_id); +} +else { + trick_taint($new); + $new_id = $dbh->selectrow_array('SELECT userid FROM profiles + WHERE login_name = ?', + undef, $new); +} +if ($new_id) { + print "OK, new user account $new found; user ID: $new_id.\n"; +} +else { + die "The new user account $new does not exist.\n"; +} + +# Make sure the old and new accounts are different. +if ($old_id == $new_id) { + die "\nBoth accounts are identical. There is nothing to migrate.\n"; +} + + +# A list of tables and columns to be changed: +# - keys of the hash are table names to be locked/altered; +# - values of the hash contain column names to be updated +# as well as the columns they depend on: +# = each array is of the form: +# ['foo1 bar11 bar12 bar13', 'foo2 bar21 bar22', 'foo3 bar31 bar32'] +# where fooN is the column to update, and barN1, barN2, ... are +# the columns to take into account to avoid duplicated entries. +# Note that the barNM columns are optional. +my $changes = { + # Tables affecting bugs. + bugs => ['assigned_to', 'reporter', 'qa_contact'], + bugs_activity => ['who'], + attachments => ['submitter_id'], + flags => ['setter_id', 'requestee_id'], + cc => ['who bug_id'], + longdescs => ['who'], + votes => ['who'], + # Tables affecting global behavior / other users. + components => ['initialowner', 'initialqacontact'], + quips => ['userid'], + series => ['creator'], + whine_events => ['owner_userid'], + watch => ['watcher watched', 'watched watcher'], + # Tables affecting the user directly. + namedqueries => ['userid name'], + user_group_map => ['user_id group_id isbless grant_type'], + email_setting => ['user_id relationship event'], + profile_setting => ['user_id setting_name'], + profiles_activity => ['userid', 'who'], # Should activity be migrated? + + # Only do it if mailto_type = 0, i.e is pointing to a user account! + # This requires to be done separately due to this condition. + whine_schedules => [], # ['mailto'], + + # Delete all old records for these tables; no migration. + logincookies => [], # ['userid'], + tokens => [], # ['userid'], + profiles => [], # ['userid'], +}; + +# Lock tables +my @locked_tables = map {"$_ WRITE"} keys(%$changes); +$dbh->bz_lock_tables(@locked_tables); + +# Delete old records from logincookies and tokens tables. +$dbh->do('DELETE FROM logincookies WHERE userid = ?', undef, $old_id); +$dbh->do('DELETE FROM tokens WHERE userid = ?', undef, $old_id); + +# Migrate records from old user to new user. +foreach my $table (keys(%$changes)) { + foreach my $column_list (@{$changes->{$table}}) { + # Get all columns to consider. There is always at least + # one column given: the one to update. + my @columns = split(/[\s]+/, $column_list); + my $cols_to_check = join(' AND ', map {"$_ = ?"} @columns); + # The first column of the list is the one to update. + my $col_to_update = shift @columns; + + # Will be used to migrate the old user account to the new one. + my $sth_update = $dbh->prepare("UPDATE $table + SET $col_to_update = ? + WHERE $cols_to_check"); + + # Do we have additional columns to take care of? + if (scalar(@columns)) { + my $cols_to_query = join(', ', @columns); + + # Get existing entries for the old user account. + my $old_entries = + $dbh->selectall_arrayref("SELECT $cols_to_query + FROM $table + WHERE $col_to_update = ?", + undef, $old_id); + + # Will be used to check whether the same entry exists + # for the new user account. + my $sth_select = $dbh->prepare("SELECT COUNT(*) + FROM $table + WHERE $cols_to_check"); + + # Will be used to delete duplicated entries. + my $sth_delete = $dbh->prepare("DELETE FROM $table + WHERE $cols_to_check"); + + foreach my $entry (@$old_entries) { + my $exists = $dbh->selectrow_array($sth_select, undef, + ($new_id, @$entry)); + + if ($exists) { + $sth_delete->execute($old_id, @$entry); + } + else { + $sth_update->execute($new_id, $old_id, @$entry); + } + } + } + # No check required. Update the column directly. + else { + $sth_update->execute($new_id, $old_id); + } + print "OK, records in the '$col_to_update' column of the '$table' table\n" . + "have been migrated to the new user account.\n"; + } +} + +# Only update 'whine_schedules' if mailto_type = 0. +# (i.e. is pointing to a user ID). +$dbh->do('UPDATE whine_schedules SET mailto = ? + WHERE mailto = ? AND mailto_type = ?', + undef, ($new_id, $old_id, 0)); +print "OK, records in the 'mailto' column of the 'whine_schedules' table\n" . + "have been migrated to the new user account.\n"; + +# Delete the old record from the profiles table. +$dbh->do('DELETE FROM profiles WHERE userid = ?', undef, $old_id); + +# Unlock tables +$dbh->bz_unlock_tables(); + +print "Done.\n"; |