<?php
/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2014 Coppermine Dev Team
  v1.0 originally 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 version 3
  as published by the Free Software Foundation.

  ********************************************
  Coppermine version: 1.5.34
  $HeadURL: https://svn.code.sf.net/p/coppermine/code/trunk/cpg1.5.x/upload.php $
  $Revision: 8753 $
**********************************************/

// Confirm we are in Coppermine and set the language blocks.
define('IN_COPPERMINE', true);
define('UPLOAD_PHP', true);
define('DB_INPUT_PHP', true);
define('ADMIN_PHP', true);

// Call basic functions, etc.
require('include/init.inc.php');
require('include/picmgmt.inc.php');

// Check to see if user can upload pictures.  Quit with an error if user cannot.
if (!USER_CAN_UPLOAD_PICTURES && !USER_CAN_CREATE_ALBUMS) {
    cpg_die(ERROR, $lang_errors['perm_denied'], __FILE__, __LINE__);
}

// Globalize $CONFIG
global $CONFIG, $USER, $lang_upload_php, $upload_form, $max_file_size;

// Set up an array of choices for the upload method
$upload_choices = array(
    'swfupload'   => $lang_upload_php['upload_swf'],
    'html_single' => $lang_upload_php['upload_single'],
);
// Filter upload choices to allow plugins to add upload methods
$upload_choices = CPGPluginAPI::filter('upload_options',$upload_choices);

// Default upload method set by the gallery administrator
$upload_form = $CONFIG['upload_mechanism'];

// Populate Icon array
$icon_array = array();
$icon_array['continue'] = cpg_fetch_icon('right', 2);
$icon_array['ok'] = cpg_fetch_icon('ok', 0);
$icon_array['cancel'] = cpg_fetch_icon('cancel', 2);
$icon_array['upload'] = cpg_fetch_icon('upload', 2);
$icon_array['info'] = cpg_fetch_icon('info', 2);

// If we have "single" key in GET then we will force the upload form mechanism to single file upload
// This acts as a fallback if js or flash is disabled
if ($superCage->get->keyExists('single')) {
    $upload_form = 'html_single';
} elseif ($CONFIG['allow_user_upload_choice'] && $superCage->get->keyExists('method')) {
    // pull in upload method from GET parameter 'method'
    $matches = $superCage->get->getMatched('method','/^[0-9A-Za-z_]+$/');
    $upload_form = $matches[0];
    $USER['upload_method'] = $upload_form;
} elseif ($superCage->post->keyExists('method')) {
    // pull in upload method from POST parameter 'method'
    $matches = $superCage->post->getMatched('method','/^[0-9A-Za-z_]+$/');
    $upload_form = $matches[0];
} elseif ($CONFIG['allow_user_upload_choice'] && isset($USER['upload_method'])) {
    $upload_form = $USER['upload_method'];
}

// Confirm that upload method chosen is one of the available choices
if (!in_array($upload_form, array_keys($upload_choices))) {
    // Try gallery default upload method
    $upload_form = $CONFIG['upload_mechanism'];
    if (!in_array($upload_form, array_keys($upload_choices))) {
        $upload_form = 'html_single';
    }
    unset($USER['upload_method']);
}

// If upload method is swf then only include the JS files and other code for it
if ('swfupload' == $upload_form) {
    js_include('js/swfupload/swfupload.js');
    js_include('js/swfupload/swfupload.swfobject.js');
    js_include('js/swfupload/swfupload.queue.js');
    js_include('js/swfupload/fileprogress.js');
    js_include('js/swfupload/handlers.js');
    js_include('js/setup_swf_upload.js');

    // Set the lang_upload_swf_php language array for use in js
    set_js_var('lang_upload_swf_php', $lang_upload_swf_php);

    set_js_var('notify_admin', $CONFIG['upl_notify_admin_email']);
    set_js_var('max_upl_size', $CONFIG['max_upl_size']);

    list($timestamp, $form_token) = getFormToken();
    set_js_var('timestamp', $timestamp);
    set_js_var('form_token', $form_token);
}
js_include('js/upload.js');

//___________________________________Function Block_______________________________________

// The text box form input function. Takes the text label for the box, the input name, the maximum length for text boxes,
// and the number of iterations.
function text_box_input($text, $name, $max_length, $iterations, $default='')
{

    global $CONFIG, $LINEBREAK;

    $ordinal = '';

    if (($text == '') and ($iterations == '')) {
        echo '        <input type="hidden" name="' . $name . '" value="' . $default . '" />' . $LINEBREAK;
        return;
    }

    // Begin loop
    for ($counter=0; $counter<$iterations; $counter++) {

    // Create a numbering system when necessary.
    if ($text == '') {
        $cardinal = $counter + 1;
        $ordinal = "".$cardinal.". ";
    }

    // Create a text box.
    echo <<<EOT
        <tr>
            <td width="40%" class="tableb">
                        $text  $ordinal
        </td>
        <td width="60%" class="tableb" valign="top">
                <input type="text" style="width: 100%" name="$name" maxlength="$max_length" value="$default" class="textinput" id="$name" />
                </td>
        </tr>

EOT;
    }
}

// The file input function. Takes the label, field name, and number of iterations as arguments.
function file_input($text, $name, $iterations)
{

    $ordinal = '';

    // Begin loop
    for ($counter=0; $counter<$iterations; $counter++) {

    // Create a numbering system when necessary.
    if ($text == '') {
        $cardinal = $counter + 1;
        $ordinal = "".$cardinal.". ";
    }

    // Create the file input box.
    echo <<<EOT
        <tr>
            <td class="tableb">
                        $text  $ordinal
        </td>
        <td class="tableb" valign="top">
                        <input type="file" name="$name" size="40" class="listbox" />
                </td>
        </tr>

EOT;
    }
}

// The function for text areas on forms. Takes the label, field name, and maximum length as arguments.
function text_area_input($text, $name, $max_length,$default='')
{

    // Create the text area.
    echo <<<EOT
        <tr>
                <td class="tableb" valign="top">
                        $text
                </td>
                <td class="tableb" valign="top">
                        <textarea name="$name" rows="5" cols="40" class="textinput" style="width: 100%;" onKeyDown="textCounter(this, $max_length);" onKeyUp="textCounter(this, $max_length);">$default</textarea>
                </td>
        </tr>
EOT;
}


// The hidden form input function. Takes the hidden input field name and value.
function hidden_input($name, $value)
{
        echo <<<EOT
        <tr>
            <td colspan="2">
                   <input type="hidden" name="$name" value="$value" />
            </td>
        </tr>

EOT;
}


// The form label creation function. Takes a non-array element form $data as its argument.
function form_label($text)
{
    echo <<<EOT
        <tr>
                <td class="tableh2" colspan="2">
                        <strong>$text</strong>
                </td>
        </tr>

EOT;
}


// Creates the album list drop down
function form_alb_list_box($text, $name)
{
    global $lang_common;

    $superCage = Inspekt::makeSuperCage();

    if ($superCage->get->keyExists('album')) {
        $sel_album = $superCage->get->getInt('album');
    } elseif ($superCage->post->keyExists('album')) {
        $sel_album = $superCage->post->getInt('album');
    } else {
        $sel_album = 0;
    }
    $options = album_selection_options($sel_album);

    echo <<<EOT
    <tr>
        <td class="tableb tableb_alternate" width="50">
            $text
        </td>
        <td class="tableb tableb_alternate" valign="top">
            <select name="$name" class="listbox">
            <option value="">{$lang_common['select_album']}</option>
            $options
            </select>
        </td>
    </tr>

EOT;
}


function form_instructions()
{
    global $lang_upload_php, $max_file_size;

    $max_fsize = sprintf($lang_upload_php['max_fsize'], cpg_format_bytes($max_file_size));

    echo <<< EOT
    <tr>
        <td colspan="2" class="tableh2">
            <noscript>
                    <div class="cpg_message_error">{$lang_upload_php['err_js_disabled']}<br />
                    {$lang_upload_php['err_alternate_method']}</div>
            </noscript>
            <div id="divLoadingContent" class="cpg_message_info" style="display: none;">{$lang_upload_php['flash_loading']}</div>
            <div id="divLongLoading" class="cpg_message_warning" style="display: none;">{$lang_upload_php['err_flash_disabled']}<br />{$lang_upload_php['err_alternate_method']}</div>
            <div id="divAlternateContent" class="cpg_message_error" style="display: none;">{$lang_upload_php['err_flash_version']}<br />{$lang_upload_php['err_alternate_method']}</div>
            <div id="divMaxFilesize" style="display: none;"><strong>{$max_fsize}</strong></div>
           </td>
       </tr>
EOT;
}


// The create form function for simple uploading, one file at a time.
// Takes the $data array as its object.
// Type:
// 0 => text box input
// 1 => file input
// 2 => album list
// 3 => text area input
// 4 => hidden input
function create_form_simple(&$data)
{

    global $CONFIG, $lang_upload_php;

    // Cycle through the elements in the data array.
    foreach($data as $element) {

        // If the element is another array, parse the definition contained within the array.
        if ((is_array($element))) {
            $element[2] = (isset($element[2])) ? $element[2] : '';
            $element[3] = (isset($element[3])) ? $element[3] : '';
            $element[4] = (isset($element[4])) ? $element[4] : '';

            // Based on the type declared in the data array's third position, create a different form input.
            switch ($element[2]) {

                // If the type is a text box input
                case 0 :

                    //Call the form input function.
                    text_box_input($element[0], $element[1], $element[3], $element[4], (isset($element[5])) ? $element[5] : '');
                    break;

                // If the type is a file input.
                case 1 :

                    // Call the file input function.
                    file_input($element[0], $element[1], $element[3]);
                    break;

                // If the type is an album list dropdown.
                case 2 :

                    // Call the album list function.
                    form_alb_list_box($element[0], $element[1]);
                    break;

                // If the type is a text area
                case 3 :

                    // Call the text area function.
                    text_area_input($element[0], $element[1], $element[3], (isset($element[4])) ? $element[4] : '');
                    break;

                // If the type is a hidden form
                case 4 :

                    // Call the hidden input funtion.
                    hidden_input($element[0], $element[1]);
                    break;

                // If the type is not present, kill the script.
                default:
                    cpg_die(ERROR, $lang_upload_php['reg_instr_1'], __FILE__, __LINE__);
            } // switch
        } else {

            // If the element is not an array, it is a label, so call the label function.
            form_label($element);
        }
    }
}


// Function to create the swfupload form
function create_form_swfupload()
{
    global $lang_common, $lang_upload_swf_php, $icon_array;
    form_alb_list_box($lang_common['album'], 'album');

    echo <<<EOT
    <tr>
        <td colspan="2" class="tableb tableb_alternate">
            <div id="upload_form">
                <div>
                    <span id="browse_button_place_holder"></span>
                    <button id="button_cancel" onclick="swfu.cancelQueue();" disabled="disabled" class="button">
                        {$icon_array['cancel']}
                        {$lang_upload_swf_php['cancel_all']}
                    </button>
                </div>
        </td>
    </tr>
    <tr>
        <td colspan="2" class="tableb">
                <div class="fieldset flash" id="upload_progress">
                    <span class="legend">{$lang_upload_swf_php['upload_queue']}</span>
                </div>
            </div>
        </td>
    </tr>
    <tr>
        <td colspan="2" class="tableb tableb_alternate">
            <button id="button_continue" class="button" onclick="return continue_upload();" style="display: none; margin-top: 5px;">
                {$icon_array['continue']}
                {$lang_common['continue']}
            </button>
        </td>
    </tr>
    <tr>
        <td colspan="2" class="tableh2">
            <div id="upload_status">
                <span id="upload_count">0</span> {$lang_upload_swf_php['files_uploaded']}:
            </div>
            <div id="uploadedThumbnails"></div>
        </td>
    </tr>
EOT;
}


// Creates Javascript verification code and opening form tags
// $path --> path to the form action script
function open_form($path)
{
    global $upload_form;

    $on_submit = '';
    if ('swfupload' == $upload_form) {
        $on_submit = 'onsubmit="cpgUploadToggleProgressBar();"';
    }

    echo <<<EOT
    <script language="javascript" type="text/javascript">
    function textCounter(field, maxlimit) {
            if (field.value.length > maxlimit) // if too long...trim it!
            field.value = field.value.substring(0, maxlimit);
    }
    </script>
    <form name="cpgform" id="cpgform" method="post" action="$path" enctype="multipart/form-data" $on_submit>
EOT;
}


// The close form function creates the submit button and the closing tags.
function close_form($button_value,$progress=0,$icon='ok')
{
    // Pull the language array into the function.
    global $lang_upload_php, $THEME_DIR, $icon_array;

    // Create the submit button and close the form.
    print <<<EOT
        <tr>
                <td colspan="2" align="center" class="tablef">
                    <span id="cpg_progress_bar" style="display:none">
EOT;
    if ($progress == 1) {
        if (defined('THEME_HAS_PROGRESS_GRAPHICS')) {
            $prefix = $THEME_DIR;
        } else {
            $prefix = '';
        }
        print '                         <img src="' . $prefix . 'images/loader.gif" border="0" alt="" title="' . $lang_upload_php['please_wait'] . '" />';
    }
    print '                        </span>';
    print '                        <span id="cpg_upload_button" style="display:block">';
    print '                            <button type="submit" value="'.$button_value.'" class="button" />'.$icon_array[$icon] . $button_value.'</button>';
    print '                        </span>';
    print <<<EOT
                </td>

        </tr>

EOT;
}


// Function to set the allowed file extensions string as required by swfupload
// This function is currently not being used.
function set_allowed_file_extensions_swf()
{
    global $CONFIG;
    $allowed_types = '';
    $allowed_img_types = explode('/', $CONFIG['allowed_img_types']);
    if (count($allowed_img_types)) {
        $allowed_types = '*.' . implode(';*.', $allowed_img_types) . ';';
    }

    $allowed_mov_types = explode('/', $CONFIG['allowed_mov_types']);
    if (count($allowed_mov_types)) {
        $allowed_types .= '*.' . implode(';*.', $allowed_mov_types) . ';';
    }

    $allowed_snd_types = explode('/', $CONFIG['allowed_snd_types']);
    if (count($allowed_snd_types)) {
        $allowed_types .= '*.' . implode(';*.', $allowed_snd_types) . ';';
    }

    $allowed_doc_types = explode('/', $CONFIG['allowed_doc_types']);
    if (count($allowed_doc_types)) {
        $allowed_types .= '*.' . implode(';*.', $allowed_doc_types) . ';';
    }

    set_js_var('allowed_file_types', $allowed_types);
}


//################################# MAIN CODE BLOCK ##################################################

// Check whether we are getting album id through _GET or _POST
if ($superCage->get->keyExists('album')) {
    $sel_album = $superCage->get->getInt('album');
} elseif ($superCage->post->keyExists('album')) {
    $sel_album = $superCage->post->getInt('album');
} else {
    $sel_album = 0;
}

// Get public and private albums, and set maximum individual file size.

if (GALLERY_ADMIN_MODE) {
    $public_albums = cpg_db_query("SELECT aid, title, cid, name FROM {$CONFIG['TABLE_ALBUMS']} INNER JOIN {$CONFIG['TABLE_CATEGORIES']} ON cid = category WHERE category < " . FIRST_USER_CAT);
    //select albums that don't belong to a category
    $public_albums_no_cat = cpg_db_query("SELECT aid, title FROM {$CONFIG['TABLE_ALBUMS']} WHERE category = 0");
} else {
    $public_albums = cpg_db_query("SELECT aid, title, cid, name FROM {$CONFIG['TABLE_ALBUMS']} INNER JOIN {$CONFIG['TABLE_CATEGORIES']} ON cid = category WHERE category < " . FIRST_USER_CAT . " AND ((uploads='YES' AND (visibility = '0' OR visibility IN ".USER_GROUP_SET." OR alb_password != '')) OR (owner=".USER_ID."))");
    //select albums that don't belong to a category
    $public_albums_no_cat = cpg_db_query("SELECT aid, title FROM {$CONFIG['TABLE_ALBUMS']} WHERE category = 0 AND ((uploads='YES' AND (visibility = '0' OR visibility IN ".USER_GROUP_SET." OR alb_password != '')) OR (owner=".USER_ID."))");
}


if (mysql_num_rows($public_albums)) {
    $public_albums_list = cpg_db_fetch_rowset($public_albums);
} else {
    $public_albums_list = array();
}

//do the same for non-categorized albums
if (mysql_num_rows($public_albums_no_cat)) {
    $public_albums_list_no_cat = cpg_db_fetch_rowset($public_albums_no_cat);
} else {
    $public_albums_list_no_cat = array();
}

//merge the 2 album arrays
$public_albums_list = array_merge($public_albums_list, $public_albums_list_no_cat);


if (USER_ID) {
    $user_albums = cpg_db_query("SELECT aid, title FROM {$CONFIG['TABLE_ALBUMS']} WHERE category='" . (FIRST_USER_CAT + USER_ID) . "' ORDER BY title");
    if (mysql_num_rows($user_albums)) {
        $user_albums_list = cpg_db_fetch_rowset($user_albums);
    } else {
        $user_albums_list = array();
    }
} else {
    $user_albums_list = array();
}

if (!count($public_albums_list) && !count($user_albums_list)) {
    // there's no album where the user is allowed to upload to
    if (USER_CAN_CREATE_ALBUMS) {
        cpg_die (ERROR, $lang_upload_php['err_no_alb_uploadables'].'<br />&nbsp;<br /><a href="albmgr.php" title="'.$lang_user_admin_menu['albmgr_title'].'" class="admin_menu">'.$lang_user_admin_menu['albmgr_lnk'].'</a>', __FILE__, __LINE__);
    } else {
        cpg_die (ERROR, $lang_upload_php['err_no_alb_uploadables'], __FILE__, __LINE__);
    }
}

// Assign maximum file size for browser controls.
$max_file_size = $CONFIG['max_upl_size'] * 1024;

// If no form inputs to process, create the upload forms using the upload congfiguration.
if (!$superCage->post->keyExists('process') && !$superCage->post->keyExists('plugin_process')) {

    $upload_select = '';
    if ($CONFIG['allow_user_upload_choice']) {
        // allow user to choose upload method
        $upload_select .= '&nbsp;&nbsp;&nbsp;';

        $upload_select .= '<select name="method" id="uploadMethod" class="listbox" title="' . $lang_upload_php['choose_method'] . '">';

        foreach ($upload_choices as $key => $label) {
            $upload_select .= '<option value="' . $key . '"'
                . ($key == $upload_form ? ' selected="selected"' : '')
                . '>' . $label . '</option>';
        }
        $upload_select .= '</select>' . '&nbsp'
            . cpg_display_help('f=configuration.htm&amp;as=admin_upload_mechanism&amp;ae=admin_upload_mechanism_end', '450', '300');
    }

    // Call active plugins for alternate upload forms
    CPGPluginAPI::action('upload_form',array($upload_form,$upload_select));

    if ($upload_form == 'swfupload') {
        // Get the user password hash
        $user_pass = $cpg_udb->get_user_pass(USER_ID);
        // Serialize and base64 encode the password
        set_js_var('user', base64_encode(serialize($user_pass)));
        set_js_var('user_id', USER_ID);
        set_js_var('allow_guests_enter_file_details', $CONFIG['allow_guests_enter_file_details']);
    }
    // Do some cleanup in the edit directory.
    spring_cleaning('./'.$CONFIG['fullpath'].'edit',CPG_HOUR);

    // Create upload form headers.
    pageheader($lang_upload_php['title']);

    if ($upload_form == 'html_single') {
        // For single upload form, send the request to db_input.php
        open_form('db_input.php');
        $upload_help = cpg_display_help('f=uploading_http.htm&amp;as=upload_http_interface_html&amp;ae=upload_http_interface_html_end', '450', '300');
    } else {
        if ($USER_DATA['pub_upl_need_approval'] == 1 || $USER_DATA['priv_upl_need_approval'] == 1) {
            echo '<div id="admin_approval" style="display: none;">';
            msg_box($lang_common['information'], $lang_db_input_php['upload_success']);
            echo '</div>';
        }

        $upload_help = cpg_display_help('f=empty.htm&amp;h=lang_upload_php[title]&amp;t=lang_tmp_upload',470,245);
    }

    $upload_table_header = <<< EOT
    <table border="0" cellspacing="0" cellpadding="0" width="100%">
        <tr>
            <td>
                {$icon_array['upload']}{$lang_upload_php['title']} {$upload_help}
            </td>
            <td style="text-align:right">
                <span id="upload_method_selector">
                    {$upload_select}
                </span>
            </td>
        </tr>
    </table>
EOT;

    // Open the form table.
    starttable('100%', $upload_table_header, 2);

    if ($upload_form == 'html_single') {
        // Declare an array containing the various upload form box definitions.
        $captionLabel = $lang_upload_php['description'];
        $keywordLabel = sprintf($lang_common['keywords_insert1'],$lang_common['keyword_separators'][$CONFIG['keyword_separator']])
            . '<br /><a href="keyword_select.php" class="greybox">' . $lang_common['keywords_insert2'] .'</a>';
        if ($CONFIG['show_bbcode_help']) {$captionLabel .= '&nbsp;'. cpg_display_help('f=empty.htm&amp;h=lang_bbcode_help_title&amp;t=lang_bbcode_help',470,245);}
        $form_array = array(
            sprintf($lang_upload_php['max_fsize'], cpg_format_bytes($max_file_size)),
            array($lang_common['album'], 'album', 2),
            //array('MAX_FILE_SIZE', $max_file_size, 4), // removed to avoid misleading error message (thread ID 61711)
            array($lang_upload_php['picture'], 'userpicture', 1, 1)
        );
        if (USER_ID > 0 || $CONFIG['allow_guests_enter_file_details'] == 1) {
            $form_array[] = array($lang_upload_php['pic_title'], 'title', 0, 255, 1);
            $form_array[] = array($captionLabel, 'caption', 3, $CONFIG['max_img_desc_length']);
            $form_array[] = array($keywordLabel, 'keywords', 0, 255, 1);
            if(!empty($CONFIG['user_field1_name'])) {
                $form_array[] = array($CONFIG['user_field1_name'], 'user1', 0, 255, 1);
            }
            if(!empty($CONFIG['user_field2_name'])) {
                $form_array[] = array($CONFIG['user_field2_name'], 'user2', 0, 255, 1);
            }
            if(!empty($CONFIG['user_field3_name'])) {
                $form_array[] = array($CONFIG['user_field3_name'], 'user3', 0, 255, 1);
            }
            if(!empty($CONFIG['user_field4_name'])) {
                $form_array[] = array($CONFIG['user_field4_name'], 'user4', 0, 255, 1);
            }
        }
        $form_array[] = array('event', 'picture', 4);
        // Create the upload form
        create_form_simple($form_array);
        // Close the form with an submit button
        close_form($lang_upload_php['title'],1, 'ok');
        list($timestamp, $form_token) = getFormToken();
        echo <<< EOT
        <input type="hidden" name="form_token" value="{$form_token}" />
        <input type="hidden" name="timestamp" value="{$timestamp}" />
EOT;
        // Close the table.
        endtable();
        echo <<< EOT
    </form>
EOT;

    } elseif ($upload_form == 'swfupload') {
        // Show form instructions
        form_instructions();
        // Create the upload form
        create_form_swfupload();
        // Close the table.
        endtable();
    }

    if ($CONFIG['display_xp_publish_link'] == 1) {
        print '<br />';
        starttable('100%', $icon_array['info'] . $lang_upload_php['alternative_upload'],1);
        print <<< EOT
        <tr>
            <td class="tableb">
                {$lang_upload_php['xp_publish_promote']}<br />
                [<a href="xp_publish.php">{$lang_common['more']}</a>]
            </td>
        </tr>
EOT;
        endtable();
        echo '<br />';
    }
    pagefooter();

    // The form has been displayed, so exit the script.
    exit;

// Process a plugin's form submission
} elseif ($superCage->post->keyExists('plugin_process')) {

    // Call active plugins for alternate upload forms
    CPGPluginAPI::action('upload_process',$upload_form);

// Process the SWF upload form submission
} elseif ($superCage->post->keyExists('process')) {

    // Make sure there is no output yet
    ob_clean();

    header("Content-Type: text/plain");

    if (!checkFormToken()) {
        echo "error|{$lang_errors['invalid_form_token']}|1";
        exit;
    }

    $error_code = $superCage->files->getInt("/Filedata/error");

    // Check for upload errors
    if (!($error_code == '0')) {
        // PHP has detected a file upload error.
        if ($error_code == '1') {
            $error_message = $lang_upload_php['exc_php_ini'];
        } elseif ($error_code == '2') {
            $error_message = $lang_upload_php['exc_file_size'];
        } elseif ($error_code == '3') {
            $error_message = $lang_upload_php['partial_upload'];
        } elseif ($error_code == '4') {
            $error_message = $lang_upload_php['no_upload'];
        } else {
            $error_message = $lang_upload_php['unknown_code'];
        }

        //Make a note in the error array.
        echo "error|$error_message|0";

        // There is no need for further tests or action, so skip the remainder of the iteration.
        exit;
    }

    if (!$superCage->files->getRaw('/Filedata/name')) {
        echo "error|{$lang_upload_php['no_name']}|0";
        exit;
    }

    if (!$superCage->files->getRaw('/Filedata/tmp_name')) {
        echo "error|{$lang_upload_php['no_tmp_name']}|0";
        exit;
    }

    // Check to make sure the file was uploaded via POST.
    if (!is_uploaded_file($superCage->files->getRaw("/Filedata/tmp_name"))) {
        // We reject the file, and return the error.
        echo "error|{$lang_upload_php['no_post']}|0";
        exit;
    }

    // Check the size of the file if $max_file_size is set to greater than 0
    if ($max_file_size && filesize($superCage->files->getRaw('/Filedata/tmp_name')) > $max_file_size) {
        // We reject this files as file size exceeds the value set in config
        echo "error|{$lang_upload_php['exc_file_size']}|0";
        exit;
    }

    // Check filename and extension:
    // Check that the file uploaded has a valid name and extension, and replace forbidden chars with underscores.
    // Initialise the $matches array.
    $matches = array();
    // If magic quotes is on, remove the slashes it added to the file name.
    if (get_magic_quotes_gpc()) {
        //Using getRaw() as we have custom sanitization code below
        $picture_name = stripslashes($superCage->files->getRaw("/Filedata/name"));
    } else {
        $picture_name = $superCage->files->getRaw("/Filedata/name");
    }

    $picture_name = CPGPluginAPI::filter('upload_file_name', $picture_name);

    // Create the holder $picture_name by translating the file name. Translate any forbidden character into an underscore.
    $picture_name = replace_forbidden($picture_name);

    // Analyze the file extension using regular expressions.
    if (!preg_match("/(.+)\.(.*?)\Z/", $picture_name, $matches)) {

        // The file name is invalid.
        $matches[1] = 'invalid_fname';

        // Make a bogus file extension to trigger Coppermine's defenses.
        $matches[2] = 'xxx';
    }

    // If there is no extension, or if the extension is unknown/not permitted by Coppermine, zap the intruder.
    if ($matches[2] == '' || !is_known_filetype($matches)) {

        // We reject the file, and make a note of the error.
        echo 'error|' . $lang_db_input_php['err_invalid_fext'] . ' ' .  $CONFIG['allowed_file_extensions'] . '|0';
        exit;
    }

    // Now we need to move the file into the /edit directory.
    // We need specify the path for the transitory file.
    // Create a prefix for easier human recognition.
    $prefix = "mHTTP_temp_";

    //Set the correct file extension.
    $suffix = $matches[2];

    // Generate the unique name. Keep generating new names until one that is not in use is found.
    do {

        // Create a random seed by taking the first 8 characters of an MD5 hash of a concatenation of the current UNIX epoch time and the current server process ID.
        $seed = substr(md5(uniqid("")), 0, 8);

        // Assemble the file path.
        $path_to_image = './'.$CONFIG['fullpath'].'edit/'. $prefix . $seed . '.' . $suffix;

    } while (file_exists($path_to_image));

    // Create a holder called $tempname.
    $tempname = $prefix . $seed . '.' . $suffix;

    //Now we upload the file.
    if (!(move_uploaded_file($superCage->files->getRaw("/Filedata/tmp_name"), $path_to_image))) {
        // The file upload has failed.
        echo "error|{$lang_upload_php['impossible']}|0";
        // There is no need for further tests or action, so skip the remainder of the iteration.
        exit;
    }

    // Change file permission
    @chmod($path_to_image, octdec($CONFIG['default_file_mode'])); //silence the output in case chmod is disabled

    // Create a testing alias.
    $picture_alias = $matches[1].".".$matches[2];



    // Check if user selected an album to upload picture to. If not, die with error.
    // added by frogfoot
    $album = $superCage->post->getInt('album');

    // If no album was select then give an error
    if (!$album) {
        echo "error|{$lang_db_input_php['album_not_selected']}|0";
        exit;
    }

    // Check if the album id provided is valid
    if (!GALLERY_ADMIN_MODE) {
        $result = cpg_db_query("SELECT category FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid = $album AND (owner = " . USER_ID . " OR category = " . (USER_ID + FIRST_USER_CAT) . (USER_CAN_UPLOAD_PICTURES  ? ' OR uploads = "YES"' : '') . ")");
        if (mysql_num_rows($result) == 0) {
            echo "error|{$lang_db_input_php['unknown_album']}|1";
            exit;
        }
        $row = mysql_fetch_array($result);
        mysql_free_result($result);
        $category = $row['category'];
    } else {
        $result = cpg_db_query("SELECT category FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid='$album'");
        if (mysql_num_rows($result) == 0) {
            echo "error|{$lang_db_input_php['unknown_album']}|1";
            exit;
        }
        $row = mysql_fetch_array($result);
        mysql_free_result($result);
        $category = $row['category'];
    }

    // Pictures are moved in a directory named 10000 + USER_ID
    if (USER_ID && $CONFIG['silly_safe_mode'] != 1) {
        $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($dest_dir)) {
                echo sprintf('error|'.$lang_db_input_php['err_mkdir'].'|1', $dest_dir);
                exit;
            }
            @chmod($dest_dir, octdec($CONFIG['default_dir_mode'])); //silence the output in case chmod is disabled
            $fp = fopen($dest_dir . '/index.php', 'w');
            fwrite($fp, ' ');
            fclose($fp);
        }
        // Upload pictures in a sub-directory named according to the album ID
        if ($CONFIG['upload_create_album_directory']) {
            $filepath .= '/'.$album;
            $dest_dir .= '/'.$album;
            if (!is_dir($dest_dir)) {
                mkdir($dest_dir, octdec($CONFIG['default_dir_mode']));
                if (!is_dir($dest_dir)) {
                    echo sprintf('error|'.$lang_db_input_php['err_mkdir'].'|1', $dest_dir);
                    exit;
                }
                @chmod($dest_dir, octdec($CONFIG['default_dir_mode'])); //silence the output in case chmod is disabled
                $fp = fopen($dest_dir . '/index.php', '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($dest_dir)) {
        echo sprintf('error|'.$lang_db_input_php['dest_dir_ro'].'|1', $dest_dir);
        exit;
    }

    //Add the Perl regex to break the actual name.
    preg_match("/(.+)\.(.*?)\Z/", $picture_alias, $matches);

    // 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];
    }

    // Create path for final location.
    $uploaded_pic = $dest_dir . $picture_name;

    // Form path to temporary image.
    $path_to_image = './'.$CONFIG['fullpath'].'edit/'.$tempname;

    // prevent moving the edit directory...
    if (is_dir($path_to_image)) {
        echo 'error|'.$lang_upload_php['failure'] . " - '$path_to_image'|0";
        exit;
    }

    CPGPluginAPI::action('upload_swf_pre_move', $path_to_image);

    // Move the picture into its final location
    if (rename($path_to_image, $uploaded_pic)) {

        // Change file permission
        @chmod($uploaded_pic, octdec($CONFIG['default_file_mode'])); //silence the output in case chmod is disabled
        $CURRENT_PIC_DATA = array();
        // Create thumbnail and intermediate image and add the image into the DB
        $result = add_picture($album, $filepath, $picture_name, 0, '', '', '', '', '', '', '', $category);

        if ($result !== true) {
            // The file could not be placed.
            $file_placement = 'no';
        } else {
            $CURRENT_PIC_DATA['url_prefix'] = 0;
            // The file was placed successfully.
            $file_placement = 'yes';
            $thumb_url = get_pic_url($CURRENT_PIC_DATA, 'thumb');
        }
    } else {
        // The file was not placed successfully.
        $file_placement = 'no';
    }

    if ($file_placement == 'yes') {
        // The previous picture was placed successfully.
        echo "success". ($PIC_NEED_APPROVAL ? '1' : '0') . "|" . $thumb_url;
    } else {
        // The previous image placement failed.
        if (isset($result['error'])) {
            if (isset($result['halt_upload'])) {
                echo "error|{$result['error']}|{$result['halt_upload']}";
            } else {
                echo "error|{$result['error']}|0";
            }
        } else {
            echo "error|{$lang_upload_php['no_place']}|0";
        }
    }

    exit;
}
?>
