comment_post.php

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<?php
defined('XOOPS_ROOT_PATH') or die('Restricted access');

include_once $GLOBALS['xoops']->path('include/comment_constants.php');

xoops_loadLanguage('comment');

if ('system' == $xoopsModule->getVar('dirname')) {
    $com_id = isset($_POST['com_id']) ? intval($_POST['com_id']) : 0;
    if (empty($com_id)) {
        exit();
    }
    $comment_handler =& xoops_gethandler('comment');
    $comment =& $comment_handler->get($com_id);
    $module_handler =& xoops_gethandler('module');
    $module =& $module_handler->get($comment->getVar('com_modid'));
    $comment_config = $module->getInfo('comments');
    $com_modid = $module->getVar('mid');
    $redirect_page = XOOPS_URL . '/modules/system/admin.php?fct=comments&amp;com_modid=' . $com_modid . '&amp;com_itemid';
    $moddir = $module->getVar('dirname');
    unset($comment);
} else {
    $com_id = isset($_POST['com_id']) ? intval($_POST['com_id']) : 0;
    if (XOOPS_COMMENT_APPROVENONE == $xoopsModuleConfig['com_rule']) {
        exit();
    }
    $comment_config = $xoopsModule->getInfo('comments');
    $com_modid = $xoopsModule->getVar('mid');
    $redirect_page = $comment_config['pageName'] . '?';
    if (isset($comment_config['extraParams']) && is_array($comment_config['extraParams'])) {
        $extra_params = '';
        foreach($comment_config['extraParams'] as $extra_param) {
            $extra_params .= isset($_POST[$extra_param]) ? $extra_param . '=' . htmlspecialchars($_POST[$extra_param]) . '&amp;' : $extra_param . '=&amp;';
        }
        $redirect_page .= $extra_params;
    }
    $redirect_page .= $comment_config['itemName'];
    $comment_url = $redirect_page;
    $moddir = $xoopsModule->getVar('dirname');
}

$op = '';
$error_message = '';
$com_user = '';
$com_email = '';
$com_url = '';
        
if (!empty($_POST)) {
    if (isset($_POST['com_dopost'])) {
        $op = 'post';
    } else if (isset($_POST['com_dopreview'])) {
        $op = 'preview';
    }
    if (isset($_POST['com_dodelete'])) {
        $op = 'delete';
    }
    if ($op == 'preview' || $op == 'post') {
        if (! $GLOBALS['xoopsSecurity']->check()) {
            $op = '';
        }
    }
    if ($op == 'post' && !is_object($xoopsUser)) {
        xoops_load('XoopsCaptcha');
        $xoopsCaptcha = XoopsCaptcha::getInstance();
        if (! $xoopsCaptcha->verify()) {
            $error_message .= $xoopsCaptcha->getMessage() . '<br />';
        }
        
        // Start add by voltan
             xoops_load('XoopsUserUtility');
        xoops_loadLanguage('user');
        $myts =& MyTextSanitizer::getInstance();
        
        // Check user name
        $search_arr = array("&nbsp;","\t","\r\n","\r","\n",",",".","'",";",":",")", "(",'"','?','!','{','}','[',']','<','>','/','+','-','_', '\\','*','=','@','#','$','%','^','&');
             $replace_arr = array(' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ', ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ', ' ',' ',' ',' ',' ','');
        $com_user = trim($_POST['com_user']); 
        $com_user = $myts->stripSlashesGPC($com_user);
        $com_user = $myts->xoopsCodeDecode($com_user);
        $com_user = $myts->filterXss($com_user);                      
        $com_user = strip_tags($com_user);
                  $com_user = strtolower($com_user);
                  $com_user = htmlentities($com_user, ENT_COMPAT, 'utf-8');
                  $com_user = preg_replace('`\[.*\]`U', ' ', $com_user);
                  $com_user = preg_replace('`&(amp;)?#?[a-z0-9]+;`i', ' ', $com_user);
                  $com_user = preg_replace('`&([a-z])(acute|uml|circ|grave|ring|cedil|slash|tilde|caron|lig);`i', '\\1', $com_user);
                  $com_user = str_replace($search_arr, $replace_arr, $com_user);
        
        // Check Url
        if(!empty($_POST['com_url'])) {
                $com_url = trim($_POST['com_url']);
                $com_url = filter_var($com_url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED);
        }       

        // Check Email
        $com_email = $myts->stripSlashesGPC(trim($_POST['com_email']));
        $com_email = htmlspecialchars(trim($com_email), ENT_QUOTES);
        $com_email = filter_var($com_email, FILTER_VALIDATE_EMAIL);
        // Invalid email address
        if (!checkEmail($com_email)) {
            $error_message .= _US_INVALIDMAIL . '<br />';
        }
        if (strrpos($com_email, ' ') > 0) {
            $error_message .= _US_EMAILNOSPACES . '<br />';
        }
        // Check forbidden email address if current operator is not an administrator
        if (!$xoopsUser_isAdmin) {
            foreach ($xoopsConfigUser['bad_emails'] as $be) {
                if (!empty($be) && preg_match('/' . $be . '/i', $com_email)) {
                    $error_message .= _US_INVALIDMAIL . '<br />';
                    break;
                }
            }
        }
        if(!empty($error_message)) {
                $op = 'preview';        
        }
        // End add by voltan    
    }
    
    $com_mode = isset($_POST['com_mode']) ? htmlspecialchars(trim($_POST['com_mode']), ENT_QUOTES) : 'flat';
    $com_order = isset($_POST['com_order']) ? intval($_POST['com_order']) : XOOPS_COMMENT_OLD1ST;
    $com_itemid = isset($_POST['com_itemid']) ? intval($_POST['com_itemid']) : 0;
    $com_pid = isset($_POST['com_pid']) ? intval($_POST['com_pid']) : 0;
    $com_rootid = isset($_POST['com_rootid']) ? intval($_POST['com_rootid']) : 0;
    $com_status = isset($_POST['com_status']) ? intval($_POST['com_status']) : 0;
    $dosmiley = (isset($_POST['dosmiley']) && intval($_POST['dosmiley']) > 0) ? 1 : 0;
    $doxcode = (isset($_POST['doxcode']) && intval($_POST['doxcode']) > 0) ? 1 : 0;
    $dobr = (isset($_POST['dobr']) && intval($_POST['dobr']) > 0) ? 1 : 0;
    $dohtml = (isset($_POST['dohtml']) && intval($_POST['dohtml']) > 0) ? 1 : 0;
    $doimage = (isset($_POST['doimage']) && intval($_POST['doimage']) > 0) ? 1 : 0;
    $com_icon = isset($_POST['com_icon']) ? trim($_POST['com_icon']) : '';
} else {
    exit();
}

switch ($op) {
    case "delete":
        include_once $GLOBALS['xoops']->path('include/comment_delete.php');
        break;

    case "preview":
        $myts =& MyTextSanitizer::getInstance();
        $doimage = 1;
        $com_title = $myts->htmlSpecialChars($myts->stripSlashesGPC($_POST['com_title']));
        if ($dohtml != 0) {
            if (is_object($xoopsUser)) {
                if (!$xoopsUser->isAdmin($com_modid)) {
                    include_once $GLOBALS['xoops']->path('modules/system/constants.php');
                    $sysperm_handler = & xoops_gethandler('groupperm');
                    if (!$sysperm_handler->checkRight('system_admin', XOOPS_SYSTEM_COMMENT, $xoopsUser->getGroups())) {
                        $dohtml = 0;
                    }
                }
            } else {
                $dohtml = 0;
            }
        }
        $p_comment =& $myts->previewTarea($_POST['com_text'], $dohtml, $dosmiley, $doxcode, $doimage, $dobr);
        $noname = isset($noname) ? intval($noname) : 0;
        $com_text = $myts->htmlSpecialChars($myts->stripSlashesGPC($_POST['com_text']));
        if ($xoopsModule->getVar('dirname') != 'system') {
            include_once $GLOBALS['xoops']->path('header.php');
            if (!empty($error_message)) {
                xoops_error($error_message);
            }
            echo '<table cellpadding="4" cellspacing="1" width="98%" class="outer">
                  <tr><td class="head">' . $com_title . '</td></tr>
                  <tr><td><br />' . $p_comment . '<br /></td></tr>
                  </table>';
            include_once $GLOBALS['xoops']->path('include/comment_form.php');
            include_once $GLOBALS['xoops']->path('footer.php');
        } else {
            xoops_cp_header();
            echo '<table cellpadding="4" cellspacing="1" width="98%" class="outer">
                  <tr><td class="head">' . $com_title . '</td></tr>
                  <tr><td><br />' . $p_comment . '<br /></td></tr>
                  </table>';
            include_once $GLOBALS['xoops']->path('include/comment_form.php');
            xoops_cp_footer();
        }
        break;

    case "post":
        $doimage = 1;
        $comment_handler =& xoops_gethandler('comment');
        // Start add by voltan
        $myts =& MyTextSanitizer::getInstance();
        // Edit add by voltan
        $add_userpost = false;
        $call_approvefunc = false;
        $call_updatefunc = false;
        // RMV-NOTIFY - this can be set to 'comment' or 'comment_submit'
        $notify_event = false;
        if (!empty($com_id)) {
            $comment =& $comment_handler->get($com_id);
            $accesserror = false;

            if (is_object($xoopsUser)) {
                include_once $GLOBALS['xoops']->path('modules/system/constants.php');
                $sysperm_handler = & xoops_gethandler('groupperm');
                if ($xoopsUser->isAdmin($com_modid) || $sysperm_handler->checkRight('system_admin', XOOPS_SYSTEM_COMMENT, $xoopsUser->getGroups())) {
                    if (!empty($com_status) && $com_status != XOOPS_COMMENT_PENDING) {
                        $old_com_status = $comment->getVar('com_status');
                        $comment->setVar('com_status', $com_status);
                        // if changing status from pending state, increment user post
                        if (XOOPS_COMMENT_PENDING == $old_com_status) {
                            $add_userpost = true;
                            if (XOOPS_COMMENT_ACTIVE == $com_status) {
                                $call_updatefunc = true;
                                $call_approvefunc = true;
                                // RMV-NOTIFY
                                $notify_event = 'comment';
                            }
                        } else if (XOOPS_COMMENT_HIDDEN == $old_com_status && XOOPS_COMMENT_ACTIVE == $com_status) {
                            $call_updatefunc = true;
                            // Comments can not be directly posted hidden,
                        // no need to send notification here
                        } else if (XOOPS_COMMENT_ACTIVE == $old_com_status && XOOPS_COMMENT_HIDDEN == $com_status) {
                            $call_updatefunc = true;
                        }
                    }
                } else {
                    $dohtml = 0;
                    if ($comment->getVar('com_uid') != $xoopsUser->getVar('uid')) {
                        $accesserror = true;
                    }
                }
            } else {
                $dohtml = 0;
                $accesserror = true;
            }
            if (false != $accesserror) {
                redirect_header($redirect_page . '=' . $com_itemid . '&amp;com_id=' . $com_id . '&amp;com_mode=' . $com_mode . '&amp;com_order=' . $com_order, 1, _NOPERM);
                exit();
            }
        } else {
            $comment = $comment_handler->create();
            $comment->setVar('com_created', time());
            $comment->setVar('com_pid', $com_pid);
            $comment->setVar('com_itemid', $com_itemid);
            $comment->setVar('com_rootid', $com_rootid);
            $comment->setVar('com_ip', xoops_getenv('REMOTE_ADDR'));
            if (is_object($xoopsUser)) {
                include_once $GLOBALS['xoops']->path('modules/system/constants.php');
                $sysperm_handler =& xoops_gethandler('groupperm');
                if ($xoopsUser->isAdmin($com_modid) || $sysperm_handler->checkRight('system_admin', XOOPS_SYSTEM_COMMENT, $xoopsUser->getGroups())) {
                    $comment->setVar('com_status', XOOPS_COMMENT_ACTIVE);
                    $add_userpost = true;
                    $call_approvefunc = true;
                    $call_updatefunc = true;
                    // RMV-NOTIFY
                    $notify_event = 'comment';
                } else {
                    $dohtml = 0;
                    switch ($xoopsModuleConfig['com_rule']) {
                        case XOOPS_COMMENT_APPROVEALL:
                        case XOOPS_COMMENT_APPROVEUSER:
                            $comment->setVar('com_status', XOOPS_COMMENT_ACTIVE);
                            $add_userpost = true;
                            $call_approvefunc = true;
                            $call_updatefunc = true;
                            // RMV-NOTIFY
                            $notify_event = 'comment';
                            break;
                        case XOOPS_COMMENT_APPROVEADMIN:
                        default:
                            $comment->setVar('com_status', XOOPS_COMMENT_PENDING);
                            $notify_event = 'comment_submit';
                            break;
                    }
                }
                if (!empty($xoopsModuleConfig['com_anonpost']) && ! empty($noname)) {
                    $uid = 0;
                } else {
                    $uid = $xoopsUser->getVar('uid');
                }
            } else {
                $dohtml = 0;
                $uid = 0;
                if ($xoopsModuleConfig['com_anonpost'] != 1) {
                    redirect_header($redirect_page . '=' . $com_itemid . '&amp;com_id=' . $com_id . '&amp;com_mode=' . $com_mode . '&amp;com_order=' . $com_order, 1, _NOPERM);
                    exit();
                }
            }
            if ($uid == 0) {
                switch ($xoopsModuleConfig['com_rule']) {
                    case XOOPS_COMMENT_APPROVEALL:
                        $comment->setVar('com_status', XOOPS_COMMENT_ACTIVE);
                        $add_userpost = true;
                        $call_approvefunc = true;
                        $call_updatefunc = true;
                        // RMV-NOTIFY
                        $notify_event = 'comment';
                        break;
                    case XOOPS_COMMENT_APPROVEADMIN:
                    case XOOPS_COMMENT_APPROVEUSER:
                    default:
                        $comment->setVar('com_status', XOOPS_COMMENT_PENDING);
                        // RMV-NOTIFY
                        $notify_event = 'comment_submit';
                        break;
                }
            }
            $comment->setVar('com_uid', $uid);
        }
        $com_title = xoops_trim($_POST['com_title']);
        $com_title = ($com_title == '') ? _NOTITLE : $com_title;
        $comment->setVar('com_title', $com_title);
        $comment->setVar('com_text', $_POST['com_text']);
        $comment->setVar('dohtml', $dohtml);
        $comment->setVar('dosmiley', $dosmiley);
        $comment->setVar('doxcode', $doxcode);
        $comment->setVar('doimage', $doimage);
        $comment->setVar('dobr', $dobr);
        $comment->setVar('com_icon', $com_icon);
        $comment->setVar('com_modified', time());
        $comment->setVar('com_modid', $com_modid);
        // Start add by voltan
        $comment->setVar('com_user', $com_user);
        $comment->setVar('com_email', $com_email);
        $comment->setVar('com_url', $com_url);
        // End add by voltan
        if (isset($extra_params)) {
            $comment->setVar('com_exparams', $extra_params);
        }
        if (false != $comment_handler->insert($comment)) {
            $newcid = $comment->getVar('com_id');
            // set own id as root id if this is a top comment
            if ($com_rootid == 0) {
                $com_rootid = $newcid;
                if (!$comment_handler->updateByField($comment, 'com_rootid', $com_rootid)) {
                    $comment_handler->delete($comment);
                    include $GLOBALS['xoops']->path('header.php');
                    xoops_error();
                    include $GLOBALS['xoops']->path('footer.php');
                }
            }
            // call custom approve function if any
            if (false != $call_approvefunc && isset($comment_config['callback']['approve']) && trim($comment_config['callback']['approve']) != '') {
                $skip = false;
                if (!function_exists($comment_config['callback']['approve'])) {
                    if (isset($comment_config['callbackFile'])) {
                        $callbackfile = trim($comment_config['callbackFile']);
                        if ($callbackfile != '' && file_exists($GLOBALS['xoops']->path('modules/' . $moddir . '/' . $callbackfile))) {
                            include_once $GLOBALS['xoops']->path('modules/' . $moddir . '/' . $callbackfile);
                        }
                        if (!function_exists($comment_config['callback']['approve'])) {
                            $skip = true;
                        }
                    } else {
                        $skip = true;
                    }
                }
                if (!$skip) {
                    $comment_config['callback']['approve']($comment);
                }
            }

            // call custom update function if any
            if (false != $call_updatefunc && isset($comment_config['callback']['update']) && trim($comment_config['callback']['update']) != '') {
                $skip = false;
                if (!function_exists($comment_config['callback']['update'])) {
                    if (isset($comment_config['callbackFile'])) {
                        $callbackfile = trim($comment_config['callbackFile']);
                        if ($callbackfile != '' && file_exists($GLOBALS['xoops']->path('modules/' . $moddir . '/' . $callbackfile))) {
                            include_once $GLOBALS['xoops']->path('modules/' . $moddir . '/' . $callbackfile);
                        }
                        if (!function_exists($comment_config['callback']['update'])) {
                            $skip = true;
                        }
                    } else {
                        $skip = true;
                    }
                }
                if (!$skip) {
                    $criteria = new CriteriaCompo(new Criteria('com_modid', $com_modid));
                    $criteria->add(new Criteria('com_itemid', $com_itemid));
                    $criteria->add(new Criteria('com_status', XOOPS_COMMENT_ACTIVE));
                    $comment_count = $comment_handler->getCount($criteria);
                    $func = $comment_config['callback']['update'];
                    call_user_func_array($func, array(
                        $com_itemid ,
                        $comment_count ,
                        $comment->getVar('com_id')));
                }
            }

            // increment user post if needed
            $uid = $comment->getVar('com_uid');
            if ($uid > 0 && false != $add_userpost) {
                $member_handler =& xoops_gethandler('member');
                $poster =& $member_handler->getUser($uid);
                if (is_object($poster)) {
                    $member_handler->updateUserByField($poster, 'posts', $poster->getVar('posts') + 1);
                }
            }

            // RMV-NOTIFY
            // trigger notification event if necessary
            if ($notify_event) {
                $not_modid = $com_modid;
                include_once $GLOBALS['xoops']->path('include/notification_functions.php');
                $not_catinfo =& notificationCommentCategoryInfo($not_modid);
                $not_category = $not_catinfo['name'];
                $not_itemid = $com_itemid;
                $not_event = $notify_event;
                // Build an ABSOLUTE URL to view the comment.  Make sure we
                // point to a viewable page (i.e. not the system administration
                // module).
                $comment_tags = array();
                if ('system' == $xoopsModule->getVar('dirname')) {
                    $module_handler =& xoops_gethandler('module');
                    $not_module =& $module_handler->get($not_modid);
                } else {
                    $not_module =& $xoopsModule;
                }
                if (!isset($comment_url)) {
                    $com_config =& $not_module->getInfo('comments');
                    $comment_url = $com_config['pageName'] . '?';
                    if (isset($com_config['extraParams']) && is_array($com_config['extraParams'])) {
                        $extra_params = '';
                        foreach($com_config['extraParams'] as $extra_param) {
                            $extra_params .= isset($_POST[$extra_param]) ? $extra_param . '=' . htmlspecialchars($_POST[$extra_param]) . '&amp;' : $extra_param . '=&amp;';
                        }
                        $comment_url .= $extra_params;
                    }
                    $comment_url .= $com_config['itemName'];
                }
                $comment_tags['X_COMMENT_URL'] = XOOPS_URL . '/modules/' . $not_module->getVar('dirname') . '/' . $comment_url . '=' . $com_itemid . '&amp;com_id=' . $newcid . '&amp;com_rootid=' . $com_rootid . '&amp;com_mode=' . $com_mode . '&amp;com_order=' . $com_order . '#comment' . $newcid;
                $notification_handler =& xoops_gethandler('notification');
                $notification_handler->triggerEvent($not_category, $not_itemid, $not_event, $comment_tags, false, $not_modid);
            }
            if (!isset($comment_post_results)) {
                // if the comment is active, redirect to posted comment
                if ($comment->getVar('com_status') == XOOPS_COMMENT_ACTIVE) {
                    redirect_header($redirect_page . '=' . $com_itemid . '&amp;com_id=' . $newcid . '&amp;com_rootid=' . $com_rootid . '&amp;com_mode=' . $com_mode . '&amp;com_order=' . $com_order . '#comment' . $newcid, 1, _CM_THANKSPOST);
                } else {
                    // not active, so redirect to top comment page
                    redirect_header($redirect_page . '=' . $com_itemid . '&amp;com_mode=' . $com_mode . '&amp;com_order=' . $com_order . '#comment' . $newcid, 1, _CM_THANKSPOST);
                }
            }
        } else {
            if (!isset($purge_comment_post_results)) {
                include_once $GLOBALS['xoops']->path('header.php');
                xoops_error($comment->getHtmlErrors());
                include_once $GLOBALS['xoops']->path('footer');
            } else {
                $comment_post_results = $comment->getErrors();
            }
        }
        break;
    default:
        redirect_header(XOOPS_URL . '/', 1, implode('<br />', $GLOBALS['xoopsSecurity']->getErrors()));
        break;
}
?>