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Mon, Feb 24, 1:38 AM

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Index: branches/5.2.x/units/link_validation/link_validation_eh.php
===================================================================
--- branches/5.2.x/units/link_validation/link_validation_eh.php (revision 15939)
+++ branches/5.2.x/units/link_validation/link_validation_eh.php (revision 15940)
@@ -1,571 +1,571 @@
<?php
/**
* @version $Id$
* @package In-Link
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class LinkValidationEventHandler extends kDBEventHandler {
/**
* Allows to override standard permission mapping
*
* @return void
* @access protected
* @see kEventHandler::$permMapping
*/
protected function mapPermissions()
{
parent::mapPermissions();
$permissions = Array (
'OnResetValidationStatus' => Array ('self' => 'advanced:reset',),
'OnRestartValidation' => Array ('self' => 'advanced:restart',),
'OnContinueValidation' => Array ('self' => 'advanced:continue',),
'OnValidateSelected' => Array ('self' => 'advanced:validate',),
'OnValidateProgress' => Array ('self' => 'advanced:validate|advanced:continue|advanced:restart|advanced:reset',),
'OnCancelValidation' => Array ('self' => 'advanced:validate|advanced:continue|advanced:restart|advanced:reset',),
'OnCronValidation' => Array ('self' => 'advanced:validate|advanced:continue|advanced:restart|advanced:reset',),
);
$this->permMapping = array_merge($this->permMapping, $permissions);
}
/**
* Define alternative event processing method names
*
* @return void
* @see kEventHandler::$eventMethods
* @access protected
*/
protected function mapEvents()
{
parent::mapEvents();
$events_map = Array (
'OnApproveLinks' => 'iterateItems',
'OnDeclineLinks' => 'iterateItems',
);
$this->eventMethods = array_merge($this->eventMethods, $events_map);
}
/**
* Checks user permission to execute given $event
*
* @param kEvent $event
* @return bool
* @access public
*/
public function CheckPermission(kEvent $event)
{
$check_events = Array ('OnApproveLinks', 'OnDeclineLinks', 'OnDeleteLinks');
if ( in_array($event->Name, $check_events) ) {
$ids = $this->_getSelectedIds($event);
$perm_value = true;
if ( $ids ) {
$perm_helper = $this->Application->recallObject('PermissionsHelper');
/* @var $perm_helper kPermissionsHelper */
$items = $perm_helper->GetCategoryItemData('l', $ids);
$check_method = $event->Name == 'OnDeleteLinks' ? 'DeleteCheckPermission' : 'ModifyCheckPermission';
foreach ($items as $item_id => $item_data) {
if ( $perm_helper->$check_method($item_data['CreatedById'], $item_data['CategoryId'], 'l') == 0 ) {
// one of items selected has no permission
$perm_value = false;
break;
}
}
if ( !$perm_value ) {
$event->status = kEvent::erPERM_FAIL;
}
}
return $perm_value;
}
return parent::CheckPermission($event);
}
/**
* Adds calculates fields for category name
*
* @param kDBItem|kDBList $object
* @param kEvent $event
* @return void
* @access protected
*/
protected function prepareObject(&$object, kEvent $event)
{
parent::prepareObject($object, $event);
$object->addCalculatedField('CachedNavbar', 'c.l' . $this->Application->GetVar('m_lang') . '_CachedNavbar');
}
/**
* Allows to show only invalid links
*
* @param kEvent $event
* @return void
* @access protected
* @see kDBEventHandler::OnListBuild()
*/
protected function SetCustomQuery(kEvent $event)
{
parent::SetCustomQuery($event);
$object = $event->getObject();
/* @var $object kDBList */
$object->addFilter('primary_category_filter', 'ci.PrimaryCat = 1');
if ( $event->Special == 'invalid' ) {
$object->addFilter('status_filter', '%1$s.ValidationStatus = ' . LINK_VALIDATION_INVALID);
}
}
/**
* Restarts link validation process
*
* @param kEvent $event
*/
function OnRestartValidation($event)
{
$this->_resetValidation($event);
$this->OnContinueValidation($event);
}
/**
* Restarts link validation process
*
* @param kEvent $event
*/
function _resetValidation($event)
{
// 1. delete previous validation results
$sql = 'SELECT ' . $this->Application->getUnitOption($event->Prefix, 'IDField') . '
FROM ' . $this->Application->getUnitOption($event->Prefix, 'TableName');
$ids = $this->Conn->GetCol($sql);
if ($ids) {
$temp_handler = $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
/* @var $temp_handler kTempTablesHandler */
$temp_handler->DeleteItems($event->Prefix, $event->Special, $ids);
}
}
/**
* Validates only selected links
*
* @param kEvent $event
*/
function OnValidateSelected($event)
{
$link_ids = $this->_getSelectedIds($event);
if (!$link_ids) {
return ;
}
$validation_data = Array (
'processed' => 0,
'total' => count($link_ids),
'items' => $link_ids,
);
$this->Application->StoreVar($event->Prefix . '_status', serialize($validation_data));
$event->redirect = $this->Application->GetVar('progress_template');
}
/**
* Validates only links, that were not previously validated
*
* @param kEvent $event
*/
function OnContinueValidation($event)
{
$have_data = $this->_prepareValidation($event);
if ($have_data) {
$event->redirect = $this->Application->GetVar('progress_template');
}
}
/**
* Performs validation
*
* @param kEvent $event
* @param bool $from_ajax
*/
function _validate($event, $from_ajax = true)
{
$validation_data = unserialize( $this->Application->RecallVar($event->Prefix . '_status') );
$i = 0;
$link_ids = $validation_data['items'];
$per_page = count($link_ids) >= LINK_VALIDATION_PER_PAGE ? LINK_VALIDATION_PER_PAGE : count($link_ids);
while ($i < $per_page) {
$this->_validateLink($link_ids[$i]);
$i++;
}
// remove processed links from array
array_splice($link_ids, 0, LINK_VALIDATION_PER_PAGE);
// store validation progress
$validation_data['processed'] += $i;
$validation_data['items'] = $link_ids;
if ($validation_data['processed'] >= $validation_data['total']) {
// finished
$this->Application->emailAdmin('LINK.VALIDATION.RESULTS');
$this->Application->RemoveVar($event->Prefix . '_status');
return true;
}
// show progress, proceed to next step
$this->Application->StoreVar($event->Prefix . '_status', serialize($validation_data));
if ($from_ajax) {
echo $validation_data['processed'] / $validation_data['total'] * 100;
$event->status = kEvent::erSTOP;
}
return false;
}
/**
* Performs validation of links (called from AjaxProgressBar)
*
* @param kEvent $event
*/
function OnValidateProgress($event)
{
$done = $this->_validate($event, true);
if ($done) {
$this->Application->Redirect( $this->Application->GetVar('finish_template') );
}
}
/**
* Returns categories, that are located inside recycle bin category
*
* @return Array
*/
function _getRecycleBinCategories()
{
$recycle_bin = $this->Application->ConfigValue('RecycleBinFolder');
if (!is_numeric($recycle_bin)) {
return Array ();
}
$recycle_categories = $this->Application->RecallVar('recycle_categories');
if ($recycle_categories === false) {
$tree_indexes = $this->Application->getTreeIndex($recycle_bin);
$sql = 'SELECT ' . $this->Application->getUnitOption('c', 'IDField') . '
FROM ' . $this->Application->getUnitOption('c', 'TableName') . '
WHERE TreeLeft BETWEEN ' . $tree_indexes['TreeLeft'] . ' AND ' . $tree_indexes['TreeRight'];
$recycle_categories = serialize( $this->Conn->GetCol($sql) );
// store recycle bin categories in session to prevent query below happening on each link validation step
$this->Application->StoreVar('recycle_categories', $recycle_categories);
}
return unserialize($recycle_categories);
}
/**
* Checks, that link is located in one of RecycleBin subcategories
*
* @param unknown_type $resource_id
* @return unknown
*/
function _inRecycleBin($resource_id)
{
static $recycle_bin = null;
if (!isset($recycle_bin)) {
$recycle_bin = $this->_getRecycleBinCategories();
}
if (!$recycle_bin) {
// Recycle Bin not used in system -> link is 100% not there
return false;
}
$sql = 'SELECT CategoryId
FROM ' . $this->Application->getUnitOption('l-ci', 'TableName') . '
WHERE ItemResourceId = ' . $resource_id . ' AND PrimaryCat = 1';
return in_array( $this->Conn->GetOne($sql), $recycle_bin);
}
function _validateLink($link_id)
{
$curl_helper = $this->Application->recallObject('CurlHelper');
/* @var $curl_helper kCurlHelper */
$sql = 'SELECT Url, ResourceId
FROM ' . $this->Application->getUnitOption('l', 'TableName') . '
WHERE ' . $this->Application->getUnitOption('l', 'IDField') . ' = ' . $link_id;
$link_data = $this->Conn->GetRow($sql);
if (!preg_match('/^(http|https):\/\/(.*)/U', $link_data['Url']) || $this->_inRecycleBin($link_data['ResourceId'])) {
return ;
}
$curl_helper->timeout = LINK_VALIDATION_TIMEOUT;
$result = $curl_helper->Send($link_data['Url']);
if ($result === false || $curl_helper->lastErrorMsg != '') {
- $curl_helper->lastErrorCode = 500;
+ $curl_helper->lastHTTPCode = 500;
}
$link_validation = $this->Application->recallObject($this->Prefix . '.-item', null, Array ('skip_autoload' => true));
/* @var $link_validation kDBItem */
$link_validation->Load($link_id, 'LinkId');
$now = adodb_mktime();
$fields_hash = Array (
'LinkId' => $link_id,
'ValidationTime_date' => $now,
'ValidationTime_time' => $now,
'ValidationCode' => $curl_helper->lastHTTPCode,
'ValidationStatus' => $curl_helper->lastHTTPCode < 400 ? LINK_VALIDATION_VALID : LINK_VALIDATION_INVALID,
);
$link_validation->SetDBFieldsFromHash($fields_hash);
return $link_validation->isLoaded() ? $link_validation->Update() : $link_validation->Create();
}
/**
* Cancels validation (from validation progress bar)
*
* @param kEvent $event
*/
function OnCancelValidation($event)
{
$this->Application->RemoveVar($event->Prefix . '_status');
}
/**
* Resets validation status for selected
*
* @param kEvent $event
*/
function OnResetValidationStatus($event)
{
$ids = $this->_getSelectedIds($event, true);
if (!$ids) {
return ;
}
$temp_handler = $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
/* @var $temp_handler kTempTablesHandler */
$temp_handler->DeleteItems($event->Prefix, $event->Special, $ids);
}
/**
* Returns ids, that user has checked in grid
*
* @param kEvent $event
* @param bool $transform convert link ids to link validation ids
* @return Array
*/
function _getSelectedIds($event, $transform = false)
{
$ids = Array();
$items_info = $this->Application->GetVar( $event->getPrefixSpecial(true) );
if ($items_info) {
foreach ($items_info as $id => $field_values) {
if ( getArrayValue($field_values, 'ForeignLinkId') ) {
// we are not gathering ids by unit idfield here!
array_push($ids, $id);
}
}
}
if ($transform && $ids) {
$sql = 'SELECT ' . $this->Application->getUnitOption($event->Prefix, 'IDField') . '
FROM ' . $this->Application->getUnitOption($event->Prefix, 'TableName') . '
WHERE LinkId IN (' . implode(',', $ids) . ')';
$ids = $this->Conn->GetCol($sql);
}
return $ids;
}
/**
* Approves/declines selected links
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function iterateItems(kEvent $event)
{
if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
$event->status = kEvent::erFAIL;
return;
}
$ids = $this->_getSelectedIds($event);
if ( !$ids ) {
return;
}
$object = $this->Application->recallObject('l.-item', null, Array ('skip_autoload' => true));
/* @var $object kCatDBItem */
foreach ($ids as $id) {
$ret = true;
$object->Load($id);
switch ( $event->Name ) {
case 'OnApproveLinks':
$ret = $object->ApproveChanges();
break;
case 'OnDeclineLinks':
$ret = $object->DeclineChanges();
break;
}
if ( !$ret ) {
$event->status = kEvent::erFAIL;
$event->redirect = false;
break;
}
}
}
/**
* Deletes selected links
*
* @param kEvent $event
*/
function OnDeleteLinks($event)
{
if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
$event->status = kEvent::erFAIL;
return;
}
$ids = $this->_getSelectedIds($event);
if (!$ids) {
return ;
}
$temp_handler = $this->Application->recallObject('l_TempHandler', 'kTempTablesHandler');
/* @var $temp_handler kTempTablesHandler */
$temp_handler->DeleteItems('l', '', $ids);
}
/**
* [HOOK] Allows to edit links, used in selected link validation records
*
* @param kEvent $event
*/
function OnPrepareLinkEditing($event)
{
// hook to OnAfterConfigRead instead of OnEdit, because fake ids should be available in CheckPermission
if ($this->Application->GetVar('l_event') != 'OnEdit') {
return ;
}
$ids = $this->_getSelectedIds($event);
$id_field = $this->Application->getUnitOption('l', 'IDField');
$items_info = Array ();
foreach ($ids as $id) {
$items_info[$id][$id_field] = 'on';
}
$this->Application->SetVar('l', $items_info);
}
/**
* Gets all links, that are not yet validated and prepare data
*
* @param kEvent $event
*
* @return bool
*/
function _prepareValidation($event)
{
// 2. get ids of all links and put them into validation queue
$id_field = $this->Application->getUnitOption('l', 'IDField');
$sql = 'SELECT ' . $id_field . '
FROM ' . $this->Application->getUnitOption('l', 'TableName') . '
WHERE LinkId NOT IN (SELECT LinkId FROM ' . $this->Application->getUnitOption($event->Prefix, 'TableName') . ')';
$link_ids = $this->Conn->GetCol($sql);
if ($link_ids) {
$validation_data = Array (
'processed' => 0,
'total' => count($link_ids),
'items' => $link_ids,
);
$this->Application->StoreVar($event->Prefix . '_status', serialize($validation_data)); // 4K links will be 78KB serialized
return true;
}
return false;
}
/**
* [SCHEDULED TASK] Performs link validation through cron
*
* @param kEvent $event
*/
function OnCronValidation($event)
{
$this->_resetValidation($event); // remove this for continuing to non validated before links
$have_data = $this->_prepareValidation($event);
if ($have_data) {
do {
$done = $this->_validate($event, false);
} while (!$done);
}
}
/**
* Makes calculated fields to go to multilingual link fields
*
* @param kEvent $event
* @return void
* @access protected
*/
protected function OnAfterConfigRead(kEvent $event)
{
parent::OnAfterConfigRead($event);
$calculated_fields = $this->Application->getUnitOption($event->Prefix, 'CalculatedFields');
$calculated_fields['']['LinkName'] = 'l.l' . $this->Application->GetVar('m_lang') . '_Name';
$this->Application->setUnitOption($event->Prefix, 'CalculatedFields', $calculated_fields);
}
}
\ No newline at end of file

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