MDL-13915: Fixed add_to_log when very long url is specified (now doesn't try to insert more than 100 chars into database)

This commit is contained in:
sam_marshall 2008-03-13 15:32:08 +00:00
parent 7bd75cb3c1
commit 6c5a2108b5
2 changed files with 31 additions and 1 deletions

View File

@ -296,6 +296,11 @@ function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $per
//Filter log->info
$log->info = format_string($log->info);
// If $log->url has been trimmed short by the db size restriction
// code in add_to_log, keep a note so we don't add a link to a broken url
$tl=textlib_get_instance();
$brokenurl=($tl->strlen($log->url)==100 && $tl->substr($log->url,97)=='...');
$log->url = strip_tags(urldecode($log->url)); // Some XSS protection
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$log->url = s($log->url); /// XSS protection and XHTML compatibility - should be in link_to_popup_window() instead!!
@ -320,7 +325,12 @@ function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $per
echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}&amp;course={$log->course}\">$fullname</a>\n";
echo "</td>\n";
echo "<td class=\"cell c4\">\n";
link_to_popup_window( make_log_url($log->module,$log->url), 'fromloglive',"$log->module $log->action", 440, 700);
$displayaction="$log->module $log->action";
if($brokenurl) {
echo $displayaction;
} else {
link_to_popup_window( make_log_url($log->module,$log->url), 'fromloglive',$displayaction, 440, 700);
}
echo "</td>\n";;
echo "<td class=\"cell c5\">{$log->info}</td>\n";
echo "</tr>\n";

View File

@ -1878,6 +1878,26 @@ function add_to_log($courseid, $module, $action, $url='', $info='', $cm=0, $user
$url = html_entity_decode($url); // for php < 4.3.0 this is defined in moodlelib.php
}
// Restrict length of log lines to the space actually available in the
// database so that it doesn't cause a DB error. Log a warning so that
// developers can avoid doing things which are likely to cause this on a
// routine basis.
$tl=textlib_get_instance();
if(!empty($info) && $tl->strlen($info)>255) {
$info=$tl->substr($info,0,252).'...';
debugging('Warning: logged very long info',DEBUG_DEVELOPER);
}
// Note: Unlike $info, URL appears to be already slashed before this function
// is called. Since database limits are for the data before slashes, we need
// to remove them...
$url=stripslashes($url);
// If the 100 field size is changed, also need to alter print_log in course/lib.php
if(!empty($url) && $tl->strlen($url)>100) {
$url=$tl->substr($url,0,97).'...';
debugging('Warning: logged very long URL',DEBUG_DEVELOPER);
}
$url=addslashes($url);
if (defined('MDL_PERFDB')) { global $PERF ; $PERF->dbqueries++; $PERF->logwrites++;};
if ($CFG->type = 'oci8po') {