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<?php

/*************************

  Coppermine Photo Gallery

  ************************

  Copyright (c) 2003-2005 Coppermine Dev Team

  v1.1 originaly written by Gregory DEMAR

  This program is free software; you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation; either version 2 of the License, or

  (at your option) any later version.

  ********************************************

  Coppermine version: 1.3.3

  $Source: /cvsroot/coppermine/stable/db_input.php,v $

  $Revision: 1.9 $

  $Author: gaugau $

  $Date: 2005/04/19 03:17:10 $

**********************************************/

define('IN_COPPERMINE', true);

define('DB_INPUT_PHP', true);

require('include/init.inc.php');

require('include/picmgmt.inc.php');

require('include/mailer.inc.php');

function check_comment(&$str)

{

    global $CONFIG, $lang_bad_words, $queries;

    $ercp = array('/\S{' . ($CONFIG['max_com_wlength'] + 1) . ',}/i');

    if ($CONFIG['filter_bad_words']) foreach($lang_bad_words as $word) {

        $ercp[] = '/' . ($word[0] == '*' ? '': '\b') . str_replace('*', '', $word) . ($word[(strlen($word)-1)] == '*' ? '': '\b') . '/i';

    }

    if (strlen($str) > $CONFIG['max_com_size']) $str = substr($str, 0, ($CONFIG['max_com_size'] -3)) . '...';

    $str = preg_replace($ercp, '(...)', $str);

}

if (!isset($HTTP_GET_VARS['event']) && !isset($HTTP_POST_VARS['event'])) {

    cpg_die(CRITICAL_ERROR, $lang_errors['param_missing'], __FILE__, __LINE__);

}

$event = isset($HTTP_POST_VARS['event']) ? $HTTP_POST_VARS['event'] : $HTTP_GET_VARS['event'];

switch ($event) {

    // Comment update

    case 'comment_update':

        if (!(USER_CAN_POST_COMMENTS)) cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);

        check_comment($HTTP_POST_VARS['msg_body']);

        check_comment($HTTP_POST_VARS['msg_author']);

        $msg_body = addslashes(trim($HTTP_POST_VARS['msg_body']));

        $msg_author = addslashes(trim($HTTP_POST_VARS['msg_author']));

        $msg_id = (int)$HTTP_POST_VARS['msg_id'];

        if ($msg_body == '') cpg_die(ERROR, $lang_db_input_php['err_comment_empty'], __FILE__, __LINE__);

        if (GALLERY_ADMIN_MODE) {

            $update = db_query("UPDATE {$CONFIG['TABLE_COMMENTS']} SET msg_body='$msg_body', msg_author='$msg_author' WHERE msg_id='$msg_id'");

        } elseif (USER_ID) {

            $update = db_query("UPDATE {$CONFIG['TABLE_COMMENTS']} SET msg_body='$msg_body' WHERE msg_id='$msg_id' AND author_id ='" . USER_ID . "' LIMIT 1");

        } else {

            $update = db_query("UPDATE {$CONFIG['TABLE_COMMENTS']} SET msg_body='$msg_body' WHERE msg_id='$msg_id' AND author_md5_id ='{$USER['ID']}' AND author_id = '0' LIMIT 1");

        }

        $header_location = (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE'))) ? 'Refresh: 0; URL=' : 'Location: ';

        $result = db_query("SELECT pid FROM {$CONFIG['TABLE_COMMENTS']} WHERE msg_id='$msg_id'");

        if (!mysql_num_rows($result)) {

            mysql_free_result($result);

            $header_location = (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE'))) ? 'Refresh: 0; URL=' : 'Location: ';

            $redirect = "index.php";

            header($header_location . $redirect);

            pageheader($lang_info, "<META http-equiv=\"refresh\" content=\"1;url=$redirect\">");

            msg_box($lang_info, $lang_db_input_php['redirect_msg'], $lang_db_input_php['continue'], $redirect);

            pagefooter();

            ob_end_flush();

            exit;

        } else {

            $comment_data = mysql_fetch_array($result);

            mysql_free_result($result);

            $redirect = "displayimage.php?pos=" . (- $comment_data['pid']);

            header($header_location . $redirect);

            pageheader($lang_info, "<META http-equiv=\"refresh\" content=\"1;url=$redirect\">");

            msg_box($lang_info, $lang_db_input_php['redirect_msg'], $lang_db_input_php['continue'], $redirect);

            pagefooter();

            ob_end_flush();

            exit;

        }

        break;

    // Comment

    case 'comment':

        if (!(USER_CAN_POST_COMMENTS)) cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);

        check_comment($HTTP_POST_VARS['msg_body']);

                check_comment($HTTP_POST_VARS['msg_author']);

        $msg_author = addslashes(trim($HTTP_POST_VARS['msg_author']));

        $msg_body = addslashes(trim($HTTP_POST_VARS['msg_body']));

        $pid = (int)$HTTP_POST_VARS['pid'];

        if ($msg_author == '' || $msg_body == '') cpg_die(ERROR, $lang_db_input_php['empty_name_or_com'], __FILE__, __LINE__);

        $result = db_query("SELECT comments FROM {$CONFIG['TABLE_PICTURES']}, {$CONFIG['TABLE_ALBUMS']} WHERE {$CONFIG['TABLE_PICTURES']}.aid = {$CONFIG['TABLE_ALBUMS']}.aid AND pid='$pid'");

        if (!mysql_num_rows($result)) cpg_die(ERROR, $lang_errors['non_exist_ap'], __FILE__, __LINE__);

        $album_data = mysql_fetch_array($result);

        mysql_free_result($result);

        if ($album_data['comments'] != 'YES') cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);

        if (!$CONFIG['disable_comment_flood_protect']){

          $result = db_query("SELECT author_md5_id, author_id FROM {$CONFIG['TABLE_COMMENTS']} WHERE pid = '$pid' ORDER BY msg_id DESC LIMIT 1");

          if (mysql_num_rows($result)) {

              $last_com_data = mysql_fetch_array($result);

              if ((USER_ID && $last_com_data['author_id'] == USER_ID) || (!USER_ID && $last_com_data['author_md5_id'] == $USER['ID'])) {

                  cpg_die(ERROR, $lang_db_input_php['no_flood'], __FILE__, __LINE__);

              }

          }

        }

        if (!USER_ID) { // Anonymous users, we need to use META refresh to save the cookie

            $insert = db_query("INSERT INTO {$CONFIG['TABLE_COMMENTS']} (pid, msg_author, msg_body, msg_date, author_md5_id, author_id, msg_raw_ip, msg_hdr_ip) VALUES ('$pid', '$msg_author', '$msg_body', NOW(), '{$USER['ID']}', '0', '$raw_ip', '$hdr_ip')");

            $USER['name'] = $HTTP_POST_VARS['msg_author'];

            $redirect = "displayimage.php?pos=" . (- $pid);

            if ($CONFIG['email_comment_notification']) {

                $mail_body = $msg_body . "\n\r ".$lang_db_input_php['email_comment_body'] . " " . $CONFIG['ecards_more_pic_target'] . $redirect;

                cpg_mail($CONFIG['gallery_admin_email'], $lang_db_input_php['email_comment_subject'], $mail_body);

            }

            pageheader($lang_db_input_php['com_added'], "<META http-equiv=\"refresh\" content=\"1;url=$redirect\">");

            msg_box($lang_db_input_php['info'], $lang_db_input_php['com_added'], $lang_continue, $redirect);

            pagefooter();

            ob_end_flush();

            exit;

        } else { // Registered users, we can use Location to redirect

            $insert = db_query("INSERT INTO {$CONFIG['TABLE_COMMENTS']} (pid, msg_author, msg_body, msg_date, author_md5_id, author_id, msg_raw_ip, msg_hdr_ip) VALUES ('$pid', '" . addslashes(USER_NAME) . "', '$msg_body', NOW(), '', '" . USER_ID . "', '$raw_ip', '$hdr_ip')");

            $redirect = "displayimage.php?pos=" . (- $pid);

            if ($CONFIG['email_comment_notification']) {

                $mail_body = $msg_body . "\n\r ".$lang_db_input_php['email_comment_body'] . " " . $CONFIG['ecards_more_pic_target'] . $redirect;

                cpg_mail($CONFIG['gallery_admin_email'], $lang_db_input_php['email_comment_subject'], $mail_body);

            }

            $header_location = (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE'))) ? 'Refresh: 0; URL=' : 'Location: ';

            header($header_location . $redirect);

            pageheader($lang_db_input_php['com_added'], "<META http-equiv=\"refresh\" content=\"1;url=$redirect\">");

            msg_box($lang_db_input_php['info'], $lang_db_input_php['com_added'], $lang_continue, $redirect);

            pagefooter();

            ob_end_flush();

            exit;

        }

        break;

    // Update album

    case 'album_update':

        if (!(USER_ADMIN_MODE || GALLERY_ADMIN_MODE)) cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);

        $aid = (int)$HTTP_POST_VARS['aid'];

        $title = addslashes(trim($HTTP_POST_VARS['title']));

        $category = (int)$HTTP_POST_VARS['category'];

        $description = addslashes(trim($HTTP_POST_VARS['description']));

        $thumb = (int)$HTTP_POST_VARS['thumb'];

        $visibility = (int)$HTTP_POST_VARS['visibility'];

        $uploads = $HTTP_POST_VARS['uploads'] == 'YES' ? 'YES' : 'NO';

        $comments = $HTTP_POST_VARS['comments'] == 'YES' ? 'YES' : 'NO';

        $votes = $HTTP_POST_VARS['votes'] == 'YES' ? 'YES' : 'NO';

        if (!$title) cpg_die(ERROR, $lang_db_input_php['alb_need_title'], __FILE__, __LINE__);

        if (GALLERY_ADMIN_MODE) {

            $query = "UPDATE {$CONFIG['TABLE_ALBUMS']} SET title='$title', description='$description', category='$category', thumb='$thumb', uploads='$uploads', comments='$comments', votes='$votes', visibility='$visibility' WHERE aid='$aid' LIMIT 1";

        } else {

            $category = FIRST_USER_CAT + USER_ID;

            $query = "UPDATE {$CONFIG['TABLE_ALBUMS']} SET title='$title', description='$description', thumb='$thumb',  comments='$comments', votes='$votes', visibility='$visibility' WHERE aid='$aid' AND category='$category' LIMIT 1";

        }

        $update = db_query($query);

        if (isset($CONFIG['debug_mode']) && ($CONFIG['debug_mode'] == 1)) {

            $queries[] = $query;

        }

        if (!mysql_affected_rows()) cpg_die(INFORMATION, $lang_db_input_php['no_udp_needed'], __FILE__, __LINE__);

        if ($CONFIG['debug_mode'] == 0) {

            pageheader($lang_db_input_php['alb_updated'], "<META http-equiv=\"refresh\" content=\"1;url=modifyalb.php?album=$aid\">");

        }

        msg_box($lang_db_input_php['info'], $lang_db_input_php['alb_updated'], $lang_continue, "modifyalb.php?album=$aid");

        pagefooter();

        ob_end_flush();

        exit;

        break;

    // Picture upload

    case 'picture':

        if (!USER_CAN_UPLOAD_PICTURES) cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);

        $album = (int)$HTTP_POST_VARS['album'];

        $title = addslashes($HTTP_POST_VARS['title']);

        $caption = addslashes($HTTP_POST_VARS['caption']);

        $keywords = addslashes($HTTP_POST_VARS['keywords']);

        $user1 = addslashes($HTTP_POST_VARS['user1']);

        $user2 = addslashes($HTTP_POST_VARS['user2']);

        $user3 = addslashes($HTTP_POST_VARS['user3']);

        $user4 = addslashes($HTTP_POST_VARS['user4']);

        // Check if the album id provided is valid

        if (!GALLERY_ADMIN_MODE) {

            $result = db_query("SELECT category FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid='$album' and (uploads = 'YES' OR category = '" . (USER_ID + FIRST_USER_CAT) . "')");

            if (mysql_num_rows($result) == 0)cpg_die(ERROR, $lang_db_input_php['unknown_album'], __FILE__, __LINE__);

            $row = mysql_fetch_array($result);

            mysql_free_result($result);

            $category = $row['category'];

        } else {

            $result = db_query("SELECT category FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid='$album'");

            if (mysql_num_rows($result) == 0)cpg_die(ERROR, $lang_db_input_php['unknown_album'], __FILE__, __LINE__);

            $row = mysql_fetch_array($result);

            mysql_free_result($result);

            $category = $row['category'];

        }

        // Test if the filename of the temporary uploaded picture is empty

        if ($HTTP_POST_FILES['userpicture']['tmp_name'] == '') cpg_die(ERROR, $lang_db_input_php['no_pic_uploaded'], __FILE__, __LINE__);

        // Pictures are moved in a directory named 10000 + USER_ID

        if (USER_ID && !defined('SILLY_SAFE_MODE')) {

            $filepath = $CONFIG['userpics'] . (USER_ID + FIRST_USER_CAT);

            $dest_dir = $CONFIG['fullpath'] . $filepath;

            if (!is_dir($dest_dir)) {

                mkdir($dest_dir, octdec($CONFIG['default_dir_mode']));

                if (!is_dir($dest_dir)) cpg_die(CRITICAL_ERROR, sprintf($lang_db_input_php['err_mkdir'], $dest_dir), __FILE__, __LINE__, true);

                chmod($dest_dir, octdec($CONFIG['default_dir_mode']));

                $fp = fopen($dest_dir . '/index.html', 'w');

                fwrite($fp, ' ');

                fclose($fp);

            }

            $dest_dir .= '/';

            $filepath .= '/';

        } else {

            $filepath = $CONFIG['userpics'];

            $dest_dir = $CONFIG['fullpath'] . $filepath;

        }

        // Check that target dir is writable

        if (!is_writable($dest_dir)) cpg_die(CRITICAL_ERROR, sprintf($lang_db_input_php['dest_dir_ro'], $dest_dir), __FILE__, __LINE__, true);

        // Replace forbidden chars with underscores

        $matches = array();

        $forbidden_chars = strtr($CONFIG['forbiden_fname_char'], array('&amp;' => '&', '&quot;' => '"', '&lt;' => '<', '&gt;' => '>'));

        // Check that the file uploaded has a valid extension

        if (get_magic_quotes_gpc()) $HTTP_POST_FILES['userpicture']['name'] = stripslashes($HTTP_POST_FILES['userpicture']['name']);

        $picture_name = strtr($HTTP_POST_FILES['userpicture']['name'], $forbidden_chars, str_repeat('_', strlen($CONFIG['forbiden_fname_char'])));

        if (!preg_match("/(.+)\.(.*?)\Z/", $picture_name, $matches)) {

            $matches[1] = 'invalid_fname';

            $matches[2] = 'xxx';

        }

        if ($matches[2] == '' || !is_known_filetype($matches)) {

            cpg_die(ERROR, sprintf($lang_db_input_php['err_invalid_fext'], $CONFIG['allowed_file_extensions']), __FILE__, __LINE__);

        }

        // Create a unique name for the uploaded file

        $nr = 0;

        $picture_name = $matches[1] . '.' . $matches[2];

        while (file_exists($dest_dir . $picture_name)) {

            $picture_name = $matches[1] . '~' . $nr++ . '.' . $matches[2];

        }

        $uploaded_pic = $dest_dir . $picture_name;

        // Move the picture into its final location

        if (!move_uploaded_file($HTTP_POST_FILES['userpicture']['tmp_name'], $uploaded_pic))

            cpg_die(CRITICAL_ERROR, sprintf($lang_db_input_php['err_move'], $picture_name, $dest_dir), __FILE__, __LINE__, true);

        // Change file permission

        chmod($uploaded_pic, octdec($CONFIG['default_file_mode']));

        // Get picture information

        // Check that picture file size is lower than the maximum allowed

        if (filesize($uploaded_pic) > ($CONFIG['max_upl_size'] << 10)) {

            @unlink($uploaded_pic);

            cpg_die(ERROR, sprintf($lang_db_input_php['err_imgsize_too_large'], $CONFIG['max_upl_size']), __FILE__, __LINE__);

        } elseif (is_image($picture_name)) {

            $imginfo = getimagesize($uploaded_pic);

            // getimagesize does not recognize the file as a picture

            if ($imginfo == null) {

                @unlink($uploaded_pic);

                cpg_die(ERROR, $lang_db_input_php['err_invalid_img'], __FILE__, __LINE__, true);

            // JPEG and PNG only are allowed with GD

            } elseif ($imginfo[2] != GIS_JPG && $imginfo[2] != GIS_PNG && ($CONFIG['thumb_method'] == 'gd1' || $CONFIG['thumb_method'] == 'gd2')) {

                @unlink($uploaded_pic);

                cpg_die(ERROR, $lang_errors['gd_file_type_err'], __FILE__, __LINE__, true);

            // *** NOT NEEDED CHECK DONE BY 'is_image'

            // Check image type is among those allowed for ImageMagick

            //} elseif (!stristr($CONFIG['allowed_img_types'], $IMG_TYPES[$imginfo[2]]) && $CONFIG['thumb_method'] == 'im') {

                //@unlink($uploaded_pic);

                //cpg_die(ERROR, sprintf($lang_db_input_php['allowed_img_types'], $CONFIG['allowed_img_types']), __FILE__, __LINE__);

            // Check that picture size (in pixels) is lower than the maximum allowed

            } elseif (max($imginfo[0], $imginfo[1]) > $CONFIG['max_upl_width_height']) {

                @unlink($uploaded_pic);

                cpg_die(ERROR, sprintf($lang_db_input_php['err_fsize_too_large'], $CONFIG['max_upl_width_height'], $CONFIG['max_upl_width_height']), __FILE__, __LINE__);

            } // Image is ok

        }

        // Upload is ok

        // Create thumbnail and internediate image and add the image into the DB

        $result = add_picture($album, $filepath, $picture_name, $title, $caption, $keywords, $user1, $user2, $user3, $user4, $category, $raw_ip, $hdr_ip,(int) $_POST['width'],(int) $_POST['height']);

        if (!$result) {

            @unlink($uploaded_pic);

            cpg_die(CRITICAL_ERROR, sprintf($lang_db_input_php['err_insert_pic'], $uploaded_pic) . '<br /><br />' . $ERROR, __FILE__, __LINE__, true);

        } elseif ($PIC_NEED_APPROVAL) {

            pageheader($lang_info);

            msg_box($lang_info, $lang_db_input_php['upload_success'], $lang_continue, 'index.php');

            // start: send admin approval mail

            if ($CONFIG['upl_notify_admin_email'])

            {

                include_once('include/mailer.inc.php');

                cpg_mail($CONFIG['gallery_admin_email'], sprintf($lang_db_input_php['notify_admin_email_subject'], $CONFIG['gallery_name']), sprintf($lang_db_input_php['notify_admin_email_body'], USER_NAME,  $CONFIG['ecards_more_pic_target'].'/editpics.php?mode=upload_approval' ));

            }

            // end: send admin approval mail

            ob_end_flush();

        } else {

            $header_location = (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE'))) ? 'Refresh: 0; URL=' : 'Location: ';

            $redirect = "displayimage.php?pos=" . (- mysql_insert_id());

            header($header_location . $redirect);

            pageheader($lang_info, "<META http-equiv=\"refresh\" content=\"1;url=$redirect\">");

            msg_box($lang_info, $lang_db_input_php['upl_success'], $lang_continue, $redirect);

            pagefooter();

            ob_end_flush();

            exit;

        }

        break;

    // Unknow event

    default:

        cpg_die(CRITICAL_ERROR, $lang_errors['param_missing'], __FILE__, __LINE__);

}

?>