--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/dblog/dblog.admin.inc Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,425 @@
+<?php
+
+/**
+ * @file
+ * Administrative page callbacks for the Database Logging module.
+ */
+
+/**
+ * Page callback: Displays a listing of database log messages.
+ *
+ * Messages are truncated at 56 chars. Full-length messages can be viewed on the
+ * message details page.
+ *
+ * @see dblog_clear_log_form()
+ * @see dblog_event()
+ * @see dblog_filter_form()
+ * @see dblog_menu()
+ *
+ * @ingroup logging_severity_levels
+ */
+function dblog_overview() {
+ $filter = dblog_build_filter_query();
+ $rows = array();
+ $classes = array(
+ WATCHDOG_DEBUG => 'dblog-debug',
+ WATCHDOG_INFO => 'dblog-info',
+ WATCHDOG_NOTICE => 'dblog-notice',
+ WATCHDOG_WARNING => 'dblog-warning',
+ WATCHDOG_ERROR => 'dblog-error',
+ WATCHDOG_CRITICAL => 'dblog-critical',
+ WATCHDOG_ALERT => 'dblog-alert',
+ WATCHDOG_EMERGENCY => 'dblog-emerg',
+ );
+
+ $build['dblog_filter_form'] = drupal_get_form('dblog_filter_form');
+ $build['dblog_clear_log_form'] = drupal_get_form('dblog_clear_log_form');
+
+ $header = array(
+ '', // Icon column.
+ array('data' => t('Type'), 'field' => 'w.type'),
+ array('data' => t('Date'), 'field' => 'w.wid', 'sort' => 'desc'),
+ t('Message'),
+ array('data' => t('User'), 'field' => 'u.name'),
+ array('data' => t('Operations')),
+ );
+
+ $query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
+ $query->leftJoin('users', 'u', 'w.uid = u.uid');
+ $query
+ ->fields('w', array('wid', 'uid', 'severity', 'type', 'timestamp', 'message', 'variables', 'link'))
+ ->addField('u', 'name');
+ if (!empty($filter['where'])) {
+ $query->where($filter['where'], $filter['args']);
+ }
+ $result = $query
+ ->limit(50)
+ ->orderByHeader($header)
+ ->execute();
+
+ foreach ($result as $dblog) {
+ $rows[] = array('data' =>
+ array(
+ // Cells
+ array('class' => 'icon'),
+ t($dblog->type),
+ format_date($dblog->timestamp, 'short'),
+ theme('dblog_message', array('event' => $dblog, 'link' => TRUE)),
+ theme('username', array('account' => $dblog)),
+ filter_xss($dblog->link),
+ ),
+ // Attributes for tr
+ 'class' => array(drupal_html_class('dblog-' . $dblog->type), $classes[$dblog->severity]),
+ );
+ }
+
+ $build['dblog_table'] = array(
+ '#theme' => 'table',
+ '#header' => $header,
+ '#rows' => $rows,
+ '#attributes' => array('id' => 'admin-dblog'),
+ '#empty' => t('No log messages available.'),
+ );
+ $build['dblog_pager'] = array('#theme' => 'pager');
+
+ return $build;
+}
+
+/**
+ * Page callback: Shows the most frequent log messages of a given event type.
+ *
+ * Messages are not truncated on this page because events detailed herein do not
+ * have links to a detailed view.
+ *
+ * @param string $type
+ * Type of database log events to display (e.g., 'search').
+ *
+ * @return array
+ * A build array in the format expected by drupal_render().
+ *
+ * @see dblog_menu()
+ */
+function dblog_top($type) {
+
+ $header = array(
+ array('data' => t('Count'), 'field' => 'count', 'sort' => 'desc'),
+ array('data' => t('Message'), 'field' => 'message')
+ );
+ $count_query = db_select('watchdog');
+ $count_query->addExpression('COUNT(DISTINCT(message))');
+ $count_query->condition('type', $type);
+
+ $query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
+ $query->addExpression('COUNT(wid)', 'count');
+ $query = $query
+ ->fields('w', array('message', 'variables'))
+ ->condition('w.type', $type)
+ ->groupBy('message')
+ ->groupBy('variables')
+ ->limit(30)
+ ->orderByHeader($header);
+ $query->setCountQuery($count_query);
+ $result = $query->execute();
+
+ $rows = array();
+ foreach ($result as $dblog) {
+ $rows[] = array($dblog->count, theme('dblog_message', array('event' => $dblog)));
+ }
+
+ $build['dblog_top_table'] = array(
+ '#theme' => 'table',
+ '#header' => $header,
+ '#rows' => $rows,
+ '#empty' => t('No log messages available.'),
+ );
+ $build['dblog_top_pager'] = array('#theme' => 'pager');
+
+ return $build;
+}
+
+/**
+ * Page callback: Displays details about a specific database log message.
+ *
+ * @param int $id
+ * Unique ID of the database log message.
+ *
+ * @return array|string
+ * If the ID is located in the Database Logging table, a build array in the
+ * format expected by drupal_render(); otherwise, an empty string.
+ *
+ * @see dblog_menu()
+ */
+function dblog_event($id) {
+ $severity = watchdog_severity_levels();
+ $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' => $id))->fetchObject();
+ if ($dblog = $result) {
+ $rows = array(
+ array(
+ array('data' => t('Type'), 'header' => TRUE),
+ t($dblog->type),
+ ),
+ array(
+ array('data' => t('Date'), 'header' => TRUE),
+ format_date($dblog->timestamp, 'long'),
+ ),
+ array(
+ array('data' => t('User'), 'header' => TRUE),
+ theme('username', array('account' => $dblog)),
+ ),
+ array(
+ array('data' => t('Location'), 'header' => TRUE),
+ l($dblog->location, $dblog->location),
+ ),
+ array(
+ array('data' => t('Referrer'), 'header' => TRUE),
+ l($dblog->referer, $dblog->referer),
+ ),
+ array(
+ array('data' => t('Message'), 'header' => TRUE),
+ theme('dblog_message', array('event' => $dblog)),
+ ),
+ array(
+ array('data' => t('Severity'), 'header' => TRUE),
+ $severity[$dblog->severity],
+ ),
+ array(
+ array('data' => t('Hostname'), 'header' => TRUE),
+ check_plain($dblog->hostname),
+ ),
+ array(
+ array('data' => t('Operations'), 'header' => TRUE),
+ $dblog->link,
+ ),
+ );
+ $build['dblog_table'] = array(
+ '#theme' => 'table',
+ '#rows' => $rows,
+ '#attributes' => array('class' => array('dblog-event')),
+ );
+ return $build;
+ }
+ else {
+ return '';
+ }
+}
+
+/**
+ * Builds a query for database log administration filters based on session.
+ *
+ * @return array
+ * An associative array with keys 'where' and 'args'.
+ */
+function dblog_build_filter_query() {
+ if (empty($_SESSION['dblog_overview_filter'])) {
+ return;
+ }
+
+ $filters = dblog_filters();
+
+ // Build query
+ $where = $args = array();
+ foreach ($_SESSION['dblog_overview_filter'] as $key => $filter) {
+ $filter_where = array();
+ foreach ($filter as $value) {
+ $filter_where[] = $filters[$key]['where'];
+ $args[] = $value;
+ }
+ if (!empty($filter_where)) {
+ $where[] = '(' . implode(' OR ', $filter_where) . ')';
+ }
+ }
+ $where = !empty($where) ? implode(' AND ', $where) : '';
+
+ return array(
+ 'where' => $where,
+ 'args' => $args,
+ );
+}
+
+/**
+ * Creates a list of database log administration filters that can be applied.
+ *
+ * @return array
+ * Associative array of filters. The top-level keys are used as the form
+ * element names for the filters, and the values are arrays with the following
+ * elements:
+ * - title: Title of the filter.
+ * - where: The filter condition.
+ * - options: Array of options for the select list for the filter.
+ */
+function dblog_filters() {
+ $filters = array();
+
+ foreach (_dblog_get_message_types() as $type) {
+ $types[$type] = t($type);
+ }
+
+ if (!empty($types)) {
+ $filters['type'] = array(
+ 'title' => t('Type'),
+ 'where' => "w.type = ?",
+ 'options' => $types,
+ );
+ }
+
+ $filters['severity'] = array(
+ 'title' => t('Severity'),
+ 'where' => 'w.severity = ?',
+ 'options' => watchdog_severity_levels(),
+ );
+
+ return $filters;
+}
+
+/**
+ * Returns HTML for a log message.
+ *
+ * @param array $variables
+ * An associative array containing:
+ * - event: An object with at least the message and variables properties.
+ * - link: (optional) Format message as link, event->wid is required.
+ *
+ * @ingroup themeable
+ */
+function theme_dblog_message($variables) {
+ $output = '';
+ $event = $variables['event'];
+ // Check for required properties.
+ if (isset($event->message) && isset($event->variables)) {
+ // Messages without variables or user specified text.
+ if ($event->variables === 'N;') {
+ $output = $event->message;
+ }
+ // Message to translate with injected variables.
+ else {
+ $output = t($event->message, unserialize($event->variables));
+ }
+ // If the output is expected to be a link, strip all the tags and
+ // special characters by using filter_xss() without any allowed tags.
+ // If not, use filter_xss_admin() to allow some tags.
+ if ($variables['link'] && isset($event->wid)) {
+ // Truncate message to 56 chars after stripping all the tags.
+ $output = truncate_utf8(filter_xss($output, array()), 56, TRUE, TRUE);
+ $output = l($output, 'admin/reports/event/' . $event->wid, array('html' => TRUE));
+ }
+ else {
+ // Prevent XSS in log detail pages.
+ $output = filter_xss_admin($output);
+ }
+ }
+ return $output;
+}
+
+/**
+ * Form constructor for the database logging filter form.
+ *
+ * @see dblog_filter_form_validate()
+ * @see dblog_filter_form_submit()
+ * @see dblog_overview()
+ *
+ * @ingroup forms
+ */
+function dblog_filter_form($form) {
+ $filters = dblog_filters();
+
+ $form['filters'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Filter log messages'),
+ '#collapsible' => TRUE,
+ '#collapsed' => empty($_SESSION['dblog_overview_filter']),
+ );
+ foreach ($filters as $key => $filter) {
+ $form['filters']['status'][$key] = array(
+ '#title' => $filter['title'],
+ '#type' => 'select',
+ '#multiple' => TRUE,
+ '#size' => 8,
+ '#options' => $filter['options'],
+ );
+ if (!empty($_SESSION['dblog_overview_filter'][$key])) {
+ $form['filters']['status'][$key]['#default_value'] = $_SESSION['dblog_overview_filter'][$key];
+ }
+ }
+
+ $form['filters']['actions'] = array(
+ '#type' => 'actions',
+ '#attributes' => array('class' => array('container-inline')),
+ );
+ $form['filters']['actions']['submit'] = array(
+ '#type' => 'submit',
+ '#value' => t('Filter'),
+ );
+ if (!empty($_SESSION['dblog_overview_filter'])) {
+ $form['filters']['actions']['reset'] = array(
+ '#type' => 'submit',
+ '#value' => t('Reset')
+ );
+ }
+ return $form;
+}
+
+/**
+ * Form validation handler for dblog_filter_form().
+ *
+ * @see dblog_filter_form_submit()
+ */
+function dblog_filter_form_validate($form, &$form_state) {
+ if ($form_state['values']['op'] == t('Filter') && empty($form_state['values']['type']) && empty($form_state['values']['severity'])) {
+ form_set_error('type', t('You must select something to filter by.'));
+ }
+}
+
+/**
+ * Form submission handler for dblog_filter_form().
+ *
+ * @see dblog_filter_form_validate()
+ */
+function dblog_filter_form_submit($form, &$form_state) {
+ $op = $form_state['values']['op'];
+ $filters = dblog_filters();
+ switch ($op) {
+ case t('Filter'):
+ foreach ($filters as $name => $filter) {
+ if (isset($form_state['values'][$name])) {
+ $_SESSION['dblog_overview_filter'][$name] = $form_state['values'][$name];
+ }
+ }
+ break;
+ case t('Reset'):
+ $_SESSION['dblog_overview_filter'] = array();
+ break;
+ }
+ return 'admin/reports/dblog';
+}
+
+/**
+ * Form constructor for the form that clears out the log.
+ *
+ * @see dblog_clear_log_submit()
+ * @ingroup forms
+ */
+function dblog_clear_log_form($form) {
+ $form['dblog_clear'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Clear log messages'),
+ '#description' => t('This will permanently remove the log messages from the database.'),
+ '#collapsible' => TRUE,
+ '#collapsed' => TRUE,
+ );
+ $form['dblog_clear']['clear'] = array(
+ '#type' => 'submit',
+ '#value' => t('Clear log messages'),
+ '#submit' => array('dblog_clear_log_submit'),
+ );
+
+ return $form;
+}
+
+/**
+ * Form submission handler for dblog_clear_log_form().
+ */
+function dblog_clear_log_submit() {
+ $_SESSION['dblog_overview_filter'] = array();
+ db_truncate('watchdog')->execute();
+ drupal_set_message(t('Database log cleared.'));
+}