pull/4343/head
Yannick Warnier
3 years ago
parent
84c6fa0b61
commit
e0b11f7070
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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* This script removes old messages from the database and disk. |
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* It uses parameters in order (all mandatory but the last one). |
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* Delete the exit; statement at line 13. |
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* This script must be launched as root or another privileged user to be |
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* able to delete files on disk (created by the web server) |
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* This script should be located inside the tests/scripts/ folder to work |
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* @author Yannick Warnier <yannick.warnier@beeznest.com> |
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*/ |
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exit; |
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require __DIR__.'/../../main/inc/global.inc.php'; |
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$simulate = false; |
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// Process script parameters |
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if (PHP_SAPI !== 'cli') { |
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die('This script can only be executed from the command line'); |
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} |
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if (!empty($argv[1]) && $argv[1] == '-s') { |
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$simulate = true; |
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echo "Simulation mode is enabled".PHP_EOL; |
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} |
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if (!empty($argv[1]) && $argv[1] == '--from') { |
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$from = $argv[2]; |
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} |
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if (!empty($argv[3]) && $argv[3] == '--until') { |
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$until = $argv[4]; |
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} |
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if (empty($from) or empty($until)) { |
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echo PHP_EOL."Usage: sudo php ".basename(__FILE__)." [options]".PHP_EOL; |
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echo "Where [options] can be ".PHP_EOL; |
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echo " --from yyyy-mm-dd Date from which the content should be removed (e.g. 2017-08-31)".PHP_EOL.PHP_EOL; |
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echo " --until yyyy-mm-dd Date up to which the content should be removed (e.g. 2020-08-31)".PHP_EOL.PHP_EOL; |
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echo " -s (optional) Simulate execution - Do not delete anything, just show numbers".PHP_EOL.PHP_EOL; |
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die('Please make sure --from and --until are defined.'); |
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} |
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echo "About to delete messages from $from to $until".PHP_EOL; |
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echo deleteMessages($from, $until, $simulate); |
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/** |
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* Delete messages between the given dates and return a log string. |
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* @param string $from 'yyyy-mm-dd' format date from which to start deleting |
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* @param string $until 'yyyy-mm-dd' format date until which to delete |
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* @param bool $simulate True if we only want to simulate the deletion and collect data |
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* @return string |
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*/ |
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function deleteMessages(string $from, string $until, bool $simulate): string |
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{ |
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$log = ''; |
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$size = 0; |
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if ($simulate) { |
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$log .= 'Simulation mode ON'.PHP_EOL; |
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} |
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$messages = getMessagesInDateRange($from, $until); |
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$log .= 'Found '.count($messages).' matching messages'.PHP_EOL; |
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$count = count($messages); |
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foreach ($messages as $message) { |
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$log .= "Deleting message ".$message['id'].PHP_EOL; |
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$attachment = MessageManager::getAttachment($message['id']); |
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if (false !== $attachment) { |
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$log .= 'Msg '.$message['id'].' has attachment'.PHP_EOL; |
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$size += $attachment['size']; |
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} |
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if (!$simulate) { |
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$log .= 'Deleting '.$message['id'].' for receiver '.$message['user_receiver_id'].PHP_EOL; |
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try { |
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$result = MessageManager::delete_message_by_user_receiver( |
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$message['user_receiver_id'], |
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$message['id'], |
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true |
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); |
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} catch (Exception $e) { |
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echo $e->getMessage(); |
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die('Process interrupted because not being able to delete file (permissions issues?) will generate a consistency loss and be difficult to fix. Please use "sudo" or other similar mechanism to ensure the user launching this script is allowed to delete the mentionned file.'); |
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} |
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} |
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if ($result || $simulate) { |
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$log .= 'Deleted msg id '.str_pad($message['id'], 9, ' ', STR_PAD_LEFT).' in receiver\'s box'.PHP_EOL; |
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} |
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if (!$simulate) { |
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$log .= 'Deleting '.$message['id'].' for sender '.$message['user_sender_id'].PHP_EOL; |
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try { |
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$result = MessageManager::delete_message_by_user_sender( |
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$message['user_sender_id'], |
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$message['id'], |
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true |
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); |
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} catch (Exception $e) { |
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echo $e->getMessage(); |
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die('Process interrupted because not being able to delete file (permissions issues?) will generate a consistency loss and be difficult to fix. Please use "sudo" or other similar mechanism to ensure the user launching this script is allowed to delete the mentionned file.'); |
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} |
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} |
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if ($result || $simulate) { |
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$log .= 'Deleted msg id '.str_pad($message['id'], 9, ' ', STR_PAD_LEFT).' in sender\'s box'.PHP_EOL; |
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} |
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} |
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$log .= 'In total, '.$size.'B were freed together with '.$count.' messages.'.PHP_EOL; |
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return $log; |
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} |
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/** |
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* Get a list of messages IDs between the given dates (sent or received, equally) |
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* @param string $from |
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* @param string $until |
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* @return array |
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*/ |
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function getMessagesInDateRange(string $from, string $until): array |
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{ |
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$messages = []; |
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$sql = 'SELECT id, user_sender_id, user_receiver_id, group_id |
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FROM '.Database::get_main_table(TABLE_MESSAGE).' |
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WHERE send_date > "'.$from.' 00:00:00" AND send_date < "'.$until.' 23:59:59"'; |
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$res = Database::query($sql); |
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if (Database::num_rows($res) > 0) { |
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while ($row = Database::fetch_assoc($res)) { |
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$messages[] = $row; |
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} |
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} |
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return $messages; |
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} |
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