functions.php

在综合英文版XOOPS 2.09, 2.091, 2.092 的基础上正式发布XOOPS 2.09中文版 XOOPS 2.09x 版主要是PHP5升级、bug修正和安全补正： 1 全面兼容PHP 5.

    $groups = (is_object($xoopsUser)) ? $xoopsUser -> getGroups() : XOOPS_GROUP_ANONYMOUS;
    $gperm_handler = & xoops_gethandler('groupperm');

    $count = 0;
    $published_date = 0;

    $arr = array();
    $query = "select lid, published from " . $xoopsDB -> prefix('wfdownloads_downloads') . "
		WHERE offline = 0 AND published > 0 AND published <= " . time() . " AND (expired = 0 OR expired > " . time() . ")";
    if ($sel_id)
    {
        $query .= " AND cid=" . $sel_id . "";
    }
    $result = $xoopsDB -> query($query);
    while (list($lid, $published) = $xoopsDB -> fetchRow($result))
    {
        if ($gperm_handler -> checkRight('WFDownFilePerm', $lid , $groups, $xoopsModule -> getVar('mid')))
        {
            $count++;
            $published_date = ($published > $published_date) ? $published : $published_date;
        }
    }
    $thing = 0;
    if ($get_child == 1)
    {
        $arr = $mytree -> getAllChildId($sel_id);
        $size = count($arr);
        for($i = 0;$i < count($arr);$i++)
        {
            $query2 = "select lid, published from " . $xoopsDB -> prefix('wfdownloads_downloads') . " WHERE status > 0 AND offline = 0 AND published > 0 AND published <= " . time() . " AND (expired = 0 OR expired > " . time() . ") AND cid=" . $arr[$i] . "";
            $result2 = $xoopsDB -> query($query2);
            while (list($lid, $published) = $xoopsDB -> fetchRow($result2))
            {
                if ($gperm_handler -> checkRight('WFDownFilePerm', $lid , $groups, $xoopsModule -> getVar('mid')))
                {
                    $published_date = ($published > $published_date) ? $published : $published_date;
                    $thing++;
                }
            }
        }
    }
    $info['count'] = $count + $thing;
    $info['published'] = $published_date;
    return $info;
}

function wfd_imageheader()
{
    global $xoopsDB, $xoopsModule, $xoopsModuleConfig;

    $image = '';
    $result = $xoopsDB -> query("SELECT indeximage, indexheading FROM " . $xoopsDB -> prefix("wfdownloads_indexpage ") . " ");
    list($indeximage, $indexheading) = $xoopsDB -> fetchrow($result);
    if (!empty($indeximage))
    {
        $image = wfd_displayimage($indeximage, "'index.php'", $xoopsModuleConfig['mainimagedir'], $indexheading);
    }
    return $image;
}

function wfd_displayimage($image = '', $path = '', $imgsource = '', $alttext = '')
{
    global $xoopsConfig, $xoopsUser, $xoopsModule;

    $showimage = '';

    /**
     * Check to see if link is given
     */
    if ($path)
    {
        $showimage = "<a href=" . $path . ">";
    }

    /**
     * checks to see if the file is valid else displays default blank image
     */

    if (!is_dir(XOOPS_ROOT_PATH . "/" . $imgsource . "/" . $image) && file_exists(XOOPS_ROOT_PATH . "/" . $imgsource . "/" . $image))
    {
        $showimage .= "<img src='" . XOOPS_URL . "/" . $imgsource . "/" . $image . "' border='0' alt='" . $alttext . "' /></a>";
    }
    else
    {
        if ($xoopsUser && $xoopsUser -> isAdmin($xoopsModule -> mid()))
        {
            $showimage .= "<img src='" . XOOPS_URL . "/modules/wfdownloads/images/brokenimg.png' alt='" . _MD_WFD_ISADMINNOTICE . "' /></a>";
        }
        else
        {
            $showimage .= "<img src='" . XOOPS_URL . "/modules/wfdownloads/images/blank.png' alt=" . $alttext . " /></a>";
        }
    }
    clearstatcache();
    return $showimage;
}

/**
 * down_createthumb()
 *
 * @param $img_name
 * @param $img_path
 * @param $img_savepath
 * @param integer $img_w
 * @param integer $img_h
 * @param integer $quality
 * @param integer $update
 * @param integer $aspect
 * @return
 **/
function down_createthumb($img_name, $img_path, $img_savepath, $img_w = 100, $img_h = 100, $quality = 100, $update = 0, $aspect = 1)
{
    global $xoopsModuleConfig, $xoopsConfig;
    // paths
    if ($xoopsModuleConfig['usethumbs'] == 0)
    {
        $image_path = XOOPS_URL . "/{$img_path}/{$img_name}";
        return $image_path;
    }
    $image_path = XOOPS_ROOT_PATH . "/{$img_path}/{$img_name}";

    $savefile = $img_path . "/" . $img_savepath . "/" . $img_w . "x" . $img_h . "_" . $img_name;
    $savepath = XOOPS_ROOT_PATH . "/" . $savefile;
    // Return the image if no update and image exists
    if ($update == 0 && file_exists($savepath))
    {
        return XOOPS_URL . "/" . $savefile;
    }

    list($width, $height, $type, $attr) = getimagesize($image_path, $info);

    switch ($type)
    {
        case 1:
            # GIF image
            if (function_exists('imagecreatefromgif'))
            {
                $img = @imagecreatefromgif($image_path);
            }
            else
            {
                $img = @imageCreateFromPNG($image_path);
            }
            break;
        case 2:
            # JPEG image
            $img = @imageCreateFromJPEG($image_path);
            break;
        case 3:
            # PNG image
            $img = @imageCreateFromPNG($image_path);
            break;
        default:
            return $image_path;
            break;
    }

    if (!empty($img))
    {
        /**
         * Get image size and scale ratio
         */
        $scale = min($img_w / $width, $img_h / $height);
        /**
         * If the image is larger than the max shrink it
         */
        if ($scale < 1 && $aspect == 1)
        {
            $img_w = floor($scale * $width);
            $img_h = floor($scale * $height);
        }
        /**
         * Create a new temporary image
         */
        if (function_exists('imagecreatetruecolor'))
        {
            $tmp_img = imagecreatetruecolor($img_w, $img_h);
        }
        else
        {
            $tmp_img = imagecreate($img_w, $img_h);
        }
        /**
         * Copy and resize old image into new image
         */
        ImageCopyResampled($tmp_img, $img, 0, 0, 0, 0, $img_w, $img_h, $width, $height);
        imagedestroy($img);
        flush();
        $img = $tmp_img;
    }

    switch ($type)
    {
        case 1:
        default:
            # GIF image
            if (function_exists('imagegif'))
            {
                imagegif($img, $savepath);
            }
            else
            {
                imagePNG($img, $savepath);
            }
            break;
        case 2:
            # JPEG image
            imageJPEG($img, $savepath, $quality);
            break;
        case 3:
            # PNG image
            imagePNG($img, $savepath);
            break;
    }
    imagedestroy($img);
    flush();
    return XOOPS_URL . "/" . $savefile;
}

function wfd_letters()
{
    global $xoopsModule;

    $letterchoice = "<div>" . _MD_WFD_BROWSETOTOPIC . "</div>";
    $letterchoice .= "[  ";
    $alphabet = array ("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z");
    $num = count($alphabet) - 1;
    $counter = 0;
    while (list(, $ltr) = each($alphabet))
    {
        $letterchoice .= "<a href='" . XOOPS_URL . "/modules/wfdownloads/viewcat.php?list=$ltr'>$ltr</a>";
        if ($counter == round($num / 2))
            $letterchoice .= " ]<br />[ ";
        elseif ($counter != $num)
            $letterchoice .= "&nbsp;|&nbsp;";
        $counter++;
    }
    $letterchoice .= " ]";
    return $letterchoice;
}

function wfd_isnewimage($published)
{
    global $xoopsDB;

    $oneday = (time() - (86400 * 1));
    $threedays = (time() - (86400 * 3));
    $week = (time() - (86400 * 7));

    if ($published > 0 && $published < $week)
    {
        $indicator['image'] = "images/icon/download4.gif";
        $indicator['alttext'] = _MD_WFD_NEWLAST;
    } elseif ($published >= $week && $published < $threedays)
    {
        $indicator['image'] = "images/icon/download3.gif";
        $indicator['alttext'] = _MD_WFD_NEWTHIS;
    } elseif ($published >= $threedays && $published < $oneday)
    {
        $indicator['image'] = "images/icon/download2.gif";
        $indicator['alttext'] = _MD_WFD_THREE;
    } elseif ($published >= $oneday)
    {
        $indicator['image'] = "images/icon/download1.gif";
        $indicator['alttext'] = _MD_WFD_TODAY;
    }
    else
    {
        $indicator['image'] = "images/icon/download.gif";
        $indicator['alttext'] = _MD_WFD_NO_FILES;
    }
    return $indicator;
}
// GetDownloadTime()
// This function is used to show some different download times
// BCMATH-Support in PHP needed!
// (c)02.04.04 by St@neCold, [e-mail], http://www.csgui.de
function wfd_GetDownloadTime($size = 0, $gmodem = 1, $gisdn = 1, $gdsl = 1, $gslan = 0, $gflan = 0)
{
    $aflag = array();
    $amtime = array();
    $artime = array();
    $ahtime = array();
    $asout = array();
    $aflag = array($gmodem, $gisdn, $gdsl, $gslan, $gflan);
    $amtime = array($size / 6300 / 60, $size / 7200 / 60, $size / 86400 / 60, $size / 1125000 / 60, $size / 11250000 / 60);
    $amname = array('Modem(56k)', 'ISDN(64k)', 'DSL(768k)', 'LAN(10M)', 'LAN(100M');
    for($i = 0;$i < 5;$i++)
    {
        $artime[$i] = ($amtime[$i] % 60);
    }
    for($i = 0;$i < 5;$i++)
    {
        $ahtime[$i] = sprintf(' %2.0f', $amtime[$i] / 60);
    }
    if ($size <= 0) $dltime = 'N/A';
    else
    {
        for($i = 0;$i < 5;$i++)
        {
            if (!$aflag[$i]) $asout[$i] = '';
            else
            {
                if (($amtime[$i] * 60) < 1) $asout[$i] = sprintf(' : %4.2fs', $amtime[$i] * 60);
                else
                {
                    if ($amtime[$i] < 1) $asout[$i] = sprintf(' : %2.0fs', round($amtime[$i] * 60));
                    else
                    {
                        if ($ahtime[$i] == 0) $asout[$i] = sprintf(' : %5.1fmin', $amtime[$i]);
                        else $asout[$i] = sprintf(' : %2.0fh%2.0fmin', $ahtime[$i], $artime[$i]);
                    }
                }
                $asout[$i] = $amname[$i] . $asout[$i];
                if ($i < 4) $asout[$i] = $asout[$i] . ' | ';
            }
        }
        $dltime = '';
        for($i = 0;$i < 5;$i++)
        {
            $dltime = $dltime . $asout[$i];
        }
    }
    return $dltime;
}

function wfd_strrrchr($haystack, $needle)
{
    return substr($haystack, 0, strpos($haystack, $needle) + 1);
}

function wfd_retmime($filename, $usertype = 1)
{
    global $xoopsDB;

    $ext = ltrim(strrchr($filename, '.'), '.');
    $sql = "SELECT mime_types, mime_ext FROM " . $xoopsDB -> prefix('wfdownloads_mimetypes') . " WHERE mime_ext = '" . strtolower($ext) . "'";
    if ($usertype == 1)