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1<?php
2/**
3 *
4 * This file is part of the phpBB Forum Software package.
5 *
6 * @copyright (c) phpBB Limited <https://www.phpbb.com>
7 * @license GNU General Public License, version 2 (GPL-2.0)
8 *
9 * For full copyright and license information, please see
10 * the docs/CREDITS.txt file.
11 *
12 */
13
14namespace phpbb\console\command\user;
15
16use phpbb\console\command\command;
17use phpbb\db\driver\driver_interface;
18use phpbb\language\language;
19use phpbb\log\log_interface;
20use phpbb\user;
21use phpbb\user_loader;
22use Symfony\Component\Console\Helper\QuestionHelper;
23use Symfony\Component\Console\Input\InputArgument;
24use Symfony\Component\Console\Input\InputInterface;
25use Symfony\Component\Console\Input\InputOption;
26use Symfony\Component\Console\Output\OutputInterface;
27use Symfony\Component\Console\Question\ConfirmationQuestion;
28use Symfony\Component\Console\Style\SymfonyStyle;
29
30class delete_id extends command
31{
32    /** @var driver_interface */
33    protected $db;
34
35    /** @var language */
36    protected $language;
37
38    /** @var log_interface */
39    protected $log;
40
41    /** @var user_loader */
42    protected $user_loader;
43
44    /** @var string Bots table */
45    protected $bots_table;
46
47    /** @var string User group table */
48    protected $user_group_table;
49
50    /** @var string Users table */
51    protected $users_table;
52
53    /** @var string phpBB root path */
54    protected $phpbb_root_path;
55
56    /** @var string PHP extension */
57    protected $php_ext;
58
59    /**
60     * Construct method
61     *
62     * @param driver_interface $db
63     * @param language         $language
64     * @param log_interface    $log
65     * @param user             $user
66     * @param user_loader      $user_loader
67     * @param string           $bots_table
68     * @param string           $user_group_table
69     * @param string           $users_table
70     * @param string           $phpbb_root_path
71     * @param string           $php_ext
72     */
73    public function __construct(driver_interface $db, language $language, log_interface $log, user $user, user_loader $user_loader,
74                                string $bots_table, string $user_group_table, string $users_table, string $phpbb_root_path, string $php_ext)
75    {
76        $this->db = $db;
77        $this->language = $language;
78        $this->log = $log;
79        $this->user_loader = $user_loader;
80        $this->bots_table = $bots_table;
81        $this->user_group_table = $user_group_table;
82        $this->users_table = $users_table;
83        $this->phpbb_root_path = $phpbb_root_path;
84        $this->php_ext = $php_ext;
85
86        $this->language->add_lang('acp/users');
87        parent::__construct($user);
88    }
89
90    /**
91     * Sets the command name and description
92     *
93     * @return void
94     */
95    protected function configure(): void
96    {
97        $this
98            ->setName('user:delete_id')
99            ->setDescription($this->language->lang('CLI_DESCRIPTION_USER_DELETE_ID'))
100            ->addArgument(
101                'user_ids',
102                InputArgument::REQUIRED | InputArgument::IS_ARRAY,
103                $this->language->lang('CLI_DESCRIPTION_USER_DELETE_ID_OPTION_ID')
104            )
105            ->addOption(
106                'delete-posts',
107                null,
108                InputOption::VALUE_NONE,
109                $this->language->lang('CLI_DESCRIPTION_USER_DELETE_OPTION_POSTS')
110            )
111        ;
112    }
113
114    /**
115     * Executes the command user:delete_ids
116     *
117     * Deletes a list of user ids from the database. An option to delete the users' posts
118     * is available, by default posts will be retained.
119     *
120     * @param InputInterface  $input  The input stream used to get the options
121     * @param OutputInterface $output The output stream, used to print messages
122     *
123     * @return int 0 if all is well, 1 if any errors occurred
124     */
125    protected function execute(InputInterface $input, OutputInterface $output): int
126    {
127        $user_ids = $input->getArgument('user_ids');
128        $mode = ($input->getOption('delete-posts')) ? 'remove' : 'retain';
129        $deleted_users = 0;
130        $io = new SymfonyStyle($input, $output);
131
132        if (count($user_ids) > 0)
133        {
134            $this->user_loader->load_users($user_ids);
135
136            $progress = $this->create_progress_bar(count($user_ids), $io, $output);
137            $progress->setMessage($this->language->lang('CLI_USER_DELETE_ID_START'));
138            $progress->start();
139
140            foreach ($user_ids as $user_id)
141            {
142                $user_row = $this->user_loader->get_user($user_id);
143
144                // Skip anonymous user
145                if ($user_row['user_id'] == ANONYMOUS)
146                {
147                    $progress->advance();
148                    continue;
149                }
150                else if ($user_row['user_type'] == USER_IGNORE)
151                {
152                    $this->delete_bot_user($user_row);
153                }
154                else
155                {
156                    if (!function_exists('user_delete'))
157                    {
158                        require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
159                    }
160
161                    user_delete($mode, $user_row['user_id'], $user_row['username']);
162
163                    $this->log->add('admin', ANONYMOUS, '', 'LOG_USER_DELETED', false, array($user_row['username']));
164                }
165
166                $progress->advance();
167                $deleted_users++;
168            }
169
170            $progress->finish();
171
172            if ($deleted_users > 0)
173            {
174                $io->success($this->language->lang('CLI_USER_DELETE_ID_SUCCESS'));
175            }
176        }
177
178        if (!$deleted_users)
179        {
180            $io->note($this->language->lang('CLI_USER_DELETE_NONE'));
181        }
182
183        return 0;
184    }
185
186    /**
187     * Interacts with the user.
188     * Confirm they really want to delete the account...last chance!
189     *
190     * @param InputInterface  $input  An InputInterface instance
191     * @param OutputInterface $output An OutputInterface instance
192     */
193    protected function interact(InputInterface $input, OutputInterface $output): void
194    {
195        $helper = $this->getHelper('question');
196        if (!$helper instanceof QuestionHelper)
197        {
198            return;
199        }
200
201        $user_ids = $input->getArgument('user_ids');
202        if (count($user_ids) > 0)
203        {
204            $question = new ConfirmationQuestion(
205                $this->language->lang('CLI_USER_DELETE_ID_CONFIRM', implode(',', $user_ids)),
206                false
207            );
208
209            if (!$helper->ask($input, $output, $question))
210            {
211                $input->setArgument('user_ids', []);
212            }
213        }
214    }
215
216    /**
217     * Deletes a bot user
218     *
219     * @param array $user_row
220     * @return void
221     */
222    protected function delete_bot_user(array $user_row): void
223    {
224        $delete_tables = [$this->bots_table, $this->user_group_table, $this->users_table];
225        foreach ($delete_tables as $table)
226        {
227            $sql = "DELETE FROM $table
228                WHERE user_id = " . (int) $user_row['user_id'];
229            $this->db->sql_query($sql);
230        }
231    }
232}