mirror of
https://github.com/tag1consulting/d7_to_d10_migration.git
synced 2024-11-12 19:33:27 +00:00
431 lines
12 KiB
PHP
431 lines
12 KiB
PHP
<?php
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/**
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* @file
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* Administrative page callbacks for the Database Logging module.
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*/
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/**
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* Page callback: Displays a listing of database log messages.
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*
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* Messages are truncated at 56 chars. Full-length messages can be viewed on the
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* message details page.
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*
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* @see dblog_clear_log_form()
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* @see dblog_event()
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* @see dblog_filter_form()
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* @see dblog_menu()
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*
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* @ingroup logging_severity_levels
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*/
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function dblog_overview() {
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$filter = dblog_build_filter_query();
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$rows = array();
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$classes = array(
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WATCHDOG_DEBUG => 'dblog-debug',
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WATCHDOG_INFO => 'dblog-info',
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WATCHDOG_NOTICE => 'dblog-notice',
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WATCHDOG_WARNING => 'dblog-warning',
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WATCHDOG_ERROR => 'dblog-error',
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WATCHDOG_CRITICAL => 'dblog-critical',
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WATCHDOG_ALERT => 'dblog-alert',
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WATCHDOG_EMERGENCY => 'dblog-emerg',
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);
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$build['dblog_filter_form'] = drupal_get_form('dblog_filter_form');
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$build['dblog_clear_log_form'] = drupal_get_form('dblog_clear_log_form');
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$header = array(
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'', // Icon column.
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array('data' => t('Type'), 'field' => 'w.type'),
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array('data' => t('Date'), 'field' => 'w.wid', 'sort' => 'desc'),
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t('Message'),
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array('data' => t('User'), 'field' => 'u.name'),
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array('data' => t('Operations')),
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);
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$query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
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$query->leftJoin('users', 'u', 'w.uid = u.uid');
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$query
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->fields('w', array('wid', 'uid', 'severity', 'type', 'timestamp', 'message', 'variables', 'link'))
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->addField('u', 'name');
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if (!empty($filter['where'])) {
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$query->where($filter['where'], $filter['args']);
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}
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$result = $query
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->limit(50)
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->orderByHeader($header)
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->execute();
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foreach ($result as $dblog) {
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$rows[] = array('data' =>
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array(
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// Cells
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array('class' => 'icon'),
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t($dblog->type),
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format_date($dblog->timestamp, 'short'),
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theme('dblog_message', array('event' => $dblog, 'link' => TRUE)),
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theme('username', array('account' => $dblog)),
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filter_xss($dblog->link),
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),
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// Attributes for tr
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'class' => array(drupal_html_class('dblog-' . $dblog->type), $classes[$dblog->severity]),
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);
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}
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$build['dblog_table'] = array(
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'#theme' => 'table',
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'#header' => $header,
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'#rows' => $rows,
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'#attributes' => array('id' => 'admin-dblog'),
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'#empty' => t('No log messages available.'),
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);
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$build['dblog_pager'] = array('#theme' => 'pager');
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return $build;
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}
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/**
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* Page callback: Shows the most frequent log messages of a given event type.
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*
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* Messages are not truncated on this page because events detailed herein do not
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* have links to a detailed view.
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*
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* @param string $type
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* Type of database log events to display (e.g., 'search').
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*
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* @return array
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* A build array in the format expected by drupal_render().
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*
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* @see dblog_menu()
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*/
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function dblog_top($type) {
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$header = array(
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array('data' => t('Count'), 'field' => 'count', 'sort' => 'desc'),
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array('data' => t('Message'), 'field' => 'message')
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);
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$count_query = db_select('watchdog');
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$count_query->addExpression('COUNT(DISTINCT(message))');
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$count_query->condition('type', $type);
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$query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
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$query->addExpression('COUNT(wid)', 'count');
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$query = $query
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->fields('w', array('message', 'variables'))
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->condition('w.type', $type)
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->groupBy('message')
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->groupBy('variables')
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->limit(30)
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->orderByHeader($header);
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$query->setCountQuery($count_query);
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$result = $query->execute();
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$rows = array();
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foreach ($result as $dblog) {
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$rows[] = array($dblog->count, theme('dblog_message', array('event' => $dblog)));
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}
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$build['dblog_top_table'] = array(
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'#theme' => 'table',
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'#header' => $header,
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'#rows' => $rows,
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'#empty' => t('No log messages available.'),
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);
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$build['dblog_top_pager'] = array('#theme' => 'pager');
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return $build;
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}
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/**
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* Page callback: Displays details about a specific database log message.
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*
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* @param int $id
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* Unique ID of the database log message.
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*
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* @return array|string
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* If the ID is located in the Database Logging table, a build array in the
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* format expected by drupal_render(); otherwise, an empty string.
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*
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* @see dblog_menu()
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*/
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function dblog_event($id) {
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$severity = watchdog_severity_levels();
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$result = db_query('SELECT w.*, u.name, u.uid FROM {watchdog} w INNER JOIN {users} u ON w.uid = u.uid WHERE w.wid = :id', array(':id' => $id))->fetchObject();
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if ($dblog = $result) {
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$rows = array(
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array(
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array('data' => t('Type'), 'header' => TRUE),
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t($dblog->type),
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),
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array(
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array('data' => t('Date'), 'header' => TRUE),
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format_date($dblog->timestamp, 'long'),
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),
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array(
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array('data' => t('User'), 'header' => TRUE),
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theme('username', array('account' => $dblog)),
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),
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array(
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array('data' => t('Location'), 'header' => TRUE),
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l($dblog->location, $dblog->location),
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),
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array(
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array('data' => t('Referrer'), 'header' => TRUE),
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l($dblog->referer, $dblog->referer),
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),
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array(
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array('data' => t('Message'), 'header' => TRUE),
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theme('dblog_message', array('event' => $dblog)),
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),
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array(
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array('data' => t('Severity'), 'header' => TRUE),
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$severity[$dblog->severity],
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),
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array(
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array('data' => t('Hostname'), 'header' => TRUE),
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check_plain($dblog->hostname),
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),
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array(
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array('data' => t('Operations'), 'header' => TRUE),
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filter_xss($dblog->link),
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),
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);
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$build['dblog_table'] = array(
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'#theme' => 'table',
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'#rows' => $rows,
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'#attributes' => array('class' => array('dblog-event')),
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);
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return $build;
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}
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else {
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return '';
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}
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}
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/**
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* Builds a query for database log administration filters based on session.
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*
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* @return array
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* An associative array with keys 'where' and 'args'.
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*/
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function dblog_build_filter_query() {
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if (empty($_SESSION['dblog_overview_filter'])) {
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return;
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}
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$filters = dblog_filters();
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// Build query
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$where = $args = array();
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foreach ($_SESSION['dblog_overview_filter'] as $key => $filter) {
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$filter_where = array();
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foreach ($filter as $value) {
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$filter_where[] = $filters[$key]['where'];
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$args[] = $value;
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}
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if (!empty($filter_where)) {
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$where[] = '(' . implode(' OR ', $filter_where) . ')';
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}
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}
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$where = !empty($where) ? implode(' AND ', $where) : '';
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return array(
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'where' => $where,
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'args' => $args,
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);
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}
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/**
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* Creates a list of database log administration filters that can be applied.
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*
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* @return array
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* Associative array of filters. The top-level keys are used as the form
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* element names for the filters, and the values are arrays with the following
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* elements:
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* - title: Title of the filter.
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* - where: The filter condition.
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* - options: Array of options for the select list for the filter.
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*/
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function dblog_filters() {
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$filters = array();
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foreach (_dblog_get_message_types() as $type) {
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$types[$type] = t($type);
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}
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if (!empty($types)) {
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$filters['type'] = array(
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'title' => t('Type'),
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'where' => "w.type = ?",
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'options' => $types,
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);
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}
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$filters['severity'] = array(
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'title' => t('Severity'),
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'where' => 'w.severity = ?',
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'options' => watchdog_severity_levels(),
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);
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return $filters;
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}
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/**
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* Returns HTML for a log message.
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*
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* @param array $variables
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* An associative array containing:
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* - event: An object with at least the message and variables properties.
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* - link: (optional) Format message as link, event->wid is required.
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*
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* @ingroup themeable
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*/
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function theme_dblog_message($variables) {
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$output = '';
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$event = $variables['event'];
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// Check for required properties.
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if (isset($event->message) && isset($event->variables)) {
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$event_variables = @unserialize($event->variables);
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// Messages without variables or user specified text.
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if ($event_variables === NULL) {
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$output = $event->message;
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}
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elseif (!is_array($event_variables)) {
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$output = t('Log data is corrupted and cannot be unserialized: @message', array(
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'@message' => $event->message,
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));
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}
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// Message to translate with injected variables.
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else {
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$output = t($event->message, $event_variables);
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}
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// If the output is expected to be a link, strip all the tags and
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// special characters by using filter_xss() without any allowed tags.
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// If not, use filter_xss_admin() to allow some tags.
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if ($variables['link'] && isset($event->wid)) {
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// Truncate message to 56 chars after stripping all the tags.
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$output = truncate_utf8(filter_xss($output, array()), 56, TRUE, TRUE);
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$output = l($output, 'admin/reports/event/' . $event->wid, array('html' => TRUE));
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}
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else {
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// Prevent XSS in log detail pages.
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$output = filter_xss_admin($output);
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}
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}
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return $output;
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}
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/**
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* Form constructor for the database logging filter form.
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*
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* @see dblog_filter_form_validate()
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* @see dblog_filter_form_submit()
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* @see dblog_overview()
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*
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* @ingroup forms
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*/
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function dblog_filter_form($form) {
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$filters = dblog_filters();
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$form['filters'] = array(
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'#type' => 'fieldset',
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'#title' => t('Filter log messages'),
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'#collapsible' => TRUE,
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'#collapsed' => empty($_SESSION['dblog_overview_filter']),
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);
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foreach ($filters as $key => $filter) {
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$form['filters']['status'][$key] = array(
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'#title' => $filter['title'],
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'#type' => 'select',
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'#multiple' => TRUE,
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'#size' => 8,
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'#options' => $filter['options'],
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);
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if (!empty($_SESSION['dblog_overview_filter'][$key])) {
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$form['filters']['status'][$key]['#default_value'] = $_SESSION['dblog_overview_filter'][$key];
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}
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}
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$form['filters']['actions'] = array(
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'#type' => 'actions',
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'#attributes' => array('class' => array('container-inline')),
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);
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$form['filters']['actions']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Filter'),
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);
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if (!empty($_SESSION['dblog_overview_filter'])) {
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$form['filters']['actions']['reset'] = array(
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'#type' => 'submit',
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'#value' => t('Reset')
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);
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}
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return $form;
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}
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/**
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* Form validation handler for dblog_filter_form().
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*
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* @see dblog_filter_form_submit()
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*/
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function dblog_filter_form_validate($form, &$form_state) {
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if ($form_state['values']['op'] == t('Filter') && empty($form_state['values']['type']) && empty($form_state['values']['severity'])) {
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form_set_error('type', t('You must select something to filter by.'));
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}
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}
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/**
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* Form submission handler for dblog_filter_form().
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*
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* @see dblog_filter_form_validate()
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*/
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function dblog_filter_form_submit($form, &$form_state) {
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$op = $form_state['values']['op'];
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$filters = dblog_filters();
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switch ($op) {
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case t('Filter'):
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foreach ($filters as $name => $filter) {
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if (isset($form_state['values'][$name])) {
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$_SESSION['dblog_overview_filter'][$name] = $form_state['values'][$name];
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}
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}
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break;
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case t('Reset'):
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$_SESSION['dblog_overview_filter'] = array();
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break;
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}
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return 'admin/reports/dblog';
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}
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/**
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* Form constructor for the form that clears out the log.
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*
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* @see dblog_clear_log_submit()
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* @ingroup forms
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*/
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function dblog_clear_log_form($form) {
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$form['dblog_clear'] = array(
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'#type' => 'fieldset',
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'#title' => t('Clear log messages'),
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'#description' => t('This will permanently remove the log messages from the database.'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['dblog_clear']['clear'] = array(
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'#type' => 'submit',
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'#value' => t('Clear log messages'),
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'#submit' => array('dblog_clear_log_submit'),
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);
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return $form;
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}
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/**
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* Form submission handler for dblog_clear_log_form().
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*/
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function dblog_clear_log_submit() {
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$_SESSION['dblog_overview_filter'] = array();
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db_truncate('watchdog')->execute();
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drupal_set_message(t('Database log cleared.'));
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}
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