public function emailErrors()
{
if ($this->settings->get('send_errors_to_email') == '') {
trigger_error('Can\'t send errors to email - no email address is specified', E_USER_WARNING);
return;
}
$log = Elm_PhpErrorLog::autodetect();
if (is_wp_error($log)) {
trigger_error('Error log not detected', E_USER_WARNING);
return;
}
$lines = $log->readLastLines($this->settings->get('email_line_count'), true);
if (is_wp_error($lines)) {
trigger_error('Error log is not accessible', E_USER_WARNING);
return;
}
//Only include messages logged since the previous email.
$logEntries = array();
$foundNewMessages = false;
$lastEmailTimestamp = $this->settings->get('email_last_line_timestamp');
foreach ($lines as $line) {
$foundNewMessages = $foundNewMessages || $line['timestamp'] > $lastEmailTimestamp;
if ($foundNewMessages) {
$logEntries[] = $line;
}
}
if (!empty($logEntries)) {
$subject = sprintf('PHP errors logged on %s', site_url());
$body = sprintf("New PHP errors have been logged on %s\nHere are the last %d lines from %s:\n\n", site_url(), count($logEntries), $log->getFilename());
$stripWordPressPath = $this->settings->get('strip_wordpress_path');
$lastEntryTimestamp = time();
//Fall-back value in case none of the new entries have a timestamp.
foreach ($logEntries as $logEntry) {
if ($stripWordPressPath) {
$logEntry['message'] = $this->stripWpPath($logEntry['message']);
}
if (!empty($logEntry['timestamp'])) {
$body .= '[' . $this->formatTimestamp($logEntry['timestamp']) . '] ';
$lastEntryTimestamp = $logEntry['timestamp'];
}
$body .= $logEntry['message'] . "\n";
}
if (wp_mail($this->settings->get('send_errors_to_email'), $subject, $body)) {
$this->settings->set('email_last_line_timestamp', $lastEntryTimestamp);
} else {
trigger_error('Failed to send an email, wp_mail() returned FALSE', E_USER_WARNING);
}
}
}
public function handleSettingsForm()
{
if ('POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget_id']) && is_array($_POST[$this->widgetId])) {
$formInputs = $_POST[$this->widgetId];
$this->settings->set('widget_line_count', intval($formInputs['widget_line_count']));
if ($this->settings->get('widget_line_count') <= 0) {
$this->settings->set('widget_line_count', $this->settings->get_defaults('widget_line_count'));
}
$this->settings->set('strip_wordpress_path', isset($formInputs['strip_wordpress_path']));
$this->settings->set('send_errors_to_email', trim(strval($formInputs['send_errors_to_email'])));
$this->settings->set('email_interval', intval($formInputs['email_interval']));
if ($this->settings->get('email_interval') <= 60) {
$this->settings->set('email_interval', $this->settings->get_defaults('email_interval'));
}
do_action('elm_settings_changed', $this->settings);
}
printf('<p><label>%s <input type="text" name="%s[widget_line_count]" value="%s" size="5"></label></p>', 'Number of lines to show:', esc_attr($this->widgetId), esc_attr($this->settings->get('widget_line_count')));
printf('<p><label><input type="checkbox" name="%s[strip_wordpress_path]"%s> %s</label></p>', esc_attr($this->widgetId), $this->settings->get('strip_wordpress_path') ? ' checked="checked"' : '', 'Strip WordPress root directory from log messages');
printf('<p>
<label for="%1$s-send_errors_to_email">%2$s</label>
<input type="text" class="widefat" name="%1$s[send_errors_to_email]" id="%1$s-send_errors_to_email" value="%3$s">
</p>', esc_attr($this->widgetId), 'Periodically email logged errors to:', $this->settings->get('send_errors_to_email'));
printf('<p><label>%s <select name="%s[email_interval]">', 'How often to send email (max):', esc_attr($this->widgetId));
$intervals = array('Every 10 minutes' => 10 * 60, 'Every 15 minutes' => 15 * 60, 'Every 30 minutes' => 30 * 60, 'Hourly' => 60 * 60, 'Daily' => 24 * 60 * 60, 'Weekly' => 7 * 24 * 60 * 60);
foreach ($intervals as $name => $interval) {
printf('<option value="%d"%s>%s</option>', $interval, $interval == $this->settings->get('email_interval') ? ' selected="selected"' : '', $name);
}
echo '</select></label></p>';
}
public static function detect_version_change()
{
if (self::version() == self::$options->get('last_version')) {
return;
}
self::$options->set('last_version', self::version());
self::$options->set('upgrade_required', false);
if (self::$options->get('enable_collection')) {
Prompt_Event_Handling::record_environment();
}
}
public function emailErrors()
{
if ($this->settings->get('send_errors_to_email') == '') {
//Can't send errors to email if no email address is specified.
return;
}
$lock = new Elm_ExclusiveLock('elm-email-errors');
$lock->acquire();
//Note: Locking failures are intentionally ignored. Most of them are likely to be caused by file permissions,
//which are either intentional (making "/wp-content/uploads" non-writable) or not easily fixed by the user.
//It's better to occasionally send multiple email notifications than to never send any.
$log = Elm_PhpErrorLog::autodetect();
if (is_wp_error($log)) {
trigger_error('Error log not detected', E_USER_WARNING);
$lock->release();
return;
}
$lines = $log->readLastLines($this->settings->get('email_line_count'), true);
if (is_wp_error($lines)) {
trigger_error('Error log is not accessible', E_USER_WARNING);
$lock->release();
return;
}
//Only include messages logged since the previous email.
$logEntries = array();
$foundNewMessages = false;
$lastEmailTimestamp = $this->settings->get('email_last_line_timestamp');
$lastEntryTimestamp = time();
//Fall-back value in case none of the new entries have a timestamp.
foreach ($lines as $line) {
$foundNewMessages = $foundNewMessages || $line['timestamp'] > $lastEmailTimestamp;
if ($foundNewMessages) {
$logEntries[] = $line;
}
if (!empty($line['timestamp'])) {
$lastEntryTimestamp = $line['timestamp'];
}
}
if (!empty($logEntries)) {
$subject = sprintf('PHP errors logged on %s', site_url());
$body = sprintf("New PHP errors have been logged on %s\nHere are the last %d lines from %s:\n\n", site_url(), count($logEntries), $log->getFilename());
if ($this->settings->get('sort_order') === 'reverse-chronological') {
$logEntries = array_reverse($logEntries);
}
$stripWordPressPath = $this->settings->get('strip_wordpress_path');
foreach ($logEntries as $logEntry) {
if ($stripWordPressPath) {
$logEntry['message'] = $this->stripWpPath($logEntry['message']);
}
if (!empty($logEntry['timestamp'])) {
$body .= '[' . $this->formatTimestamp($logEntry['timestamp']) . '] ';
}
$body .= $logEntry['message'] . "\n";
}
if (wp_mail($this->settings->get('send_errors_to_email'), $subject, $body)) {
$this->settings->set('email_last_line_timestamp', $lastEntryTimestamp);
} else {
trigger_error('Failed to send an email, wp_mail() returned FALSE', E_USER_WARNING);
}
}
$lock->release();
}