main.php

讲的是网络编程

<?php
// $Id: main.php 2 2005-11-02 18:23:29Z skalpa $
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  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.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu)                                          //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project                                                //
// ------------------------------------------------------------------------- //

if ( !is_object($xoopsUser) || !is_object($xoopsModule) || !$xoopsUser->isAdmin($xoopsModule->mid()) ) {
    exit("Access Denied");
} else {
    $op = 'list';
    if (isset($_POST)) {
        foreach ( $_POST as $k => $v ) {
            ${$k} = $v;
        }
    }
    if (isset($_GET['op'])) {
        $op = trim($_GET['op']);
    }
    if (isset($_GET['image_id'])) {
        $image_id = intval($_GET['image_id']);
    }
    if (isset($_GET['imgcat_id'])) {
        $imgcat_id = intval($_GET['imgcat_id']);
    }
    if ($op == 'list') {
        $imgcat_handler = xoops_gethandler('imagecategory');
        $imagecategorys =& $imgcat_handler->getObjects();
        xoops_cp_header();
        echo '<h4 style="text-align:left">'._IMGMANAGER.'</h4><ul>';
        $catcount = count($imagecategorys);
        $image_handler =& xoops_gethandler('image');
        for ($i = 0; $i < $catcount; $i++) {
            $count = $image_handler->getCount(new Criteria('imgcat_id', $imagecategorys[$i]->getVar('imgcat_id')));
            echo '<li>'.$imagecategorys[$i]->getVar('imgcat_name').' ('.sprintf(_NUMIMAGES, '<b>'.$count.'</b>').') [<a href="admin.php?fct=images&amp;op=listimg&amp;imgcat_id='.$imagecategorys[$i]->getVar('imgcat_id').'">'._LIST.'</a>] [<a href="admin.php?fct=images&amp;op=editcat&amp;imgcat_id='.$imagecategorys[$i]->getVar('imgcat_id').'">'._EDIT.'</a>]';
            if ($imagecategorys[$i]->getVar('imgcat_type') == 'C') {
                echo ' [<a href="admin.php?fct=images&amp;op=delcat&amp;imgcat_id='.$imagecategorys[$i]->getVar('imgcat_id').'">'._DELETE.'</a>]';
            }
            echo '</li>';
        }
        echo '</ul>';
        include_once XOOPS_ROOT_PATH.'/class/xoopsformloader.php';
        if (!empty($catcount)) {
            $form = new XoopsThemeForm(_ADDIMAGE, 'image_form', 'admin.php', 'post', true);
            $form->setExtra('enctype="multipart/form-data"');
            $form->addElement(new XoopsFormText(_IMAGENAME, 'image_nicename', 50, 255), true);
            $select = new XoopsFormSelect(_IMAGECAT, 'imgcat_id');
            $select->addOptionArray($imgcat_handler->getList());
            $form->addElement($select, true);
            $form->addElement(new XoopsFormFile(_IMAGEFILE, 'image_file', 5000000));
            $form->addElement(new XoopsFormText(_IMGWEIGHT, 'image_weight', 3, 4, 0));
            $form->addElement(new XoopsFormRadioYN(_IMGDISPLAY, 'image_display', 1, _YES, _NO));
            $form->addElement(new XoopsFormHidden('op', 'addfile'));
            $form->addElement(new XoopsFormHidden('fct', 'images'));
            $form->addElement(new XoopsFormButton('', 'img_button', _SUBMIT, 'submit'));
            $form->display();
        }
        $form = new XoopsThemeForm(_MD_ADDIMGCAT, 'imagecat_form', 'admin.php', 'post', true);
        $form->addElement(new XoopsFormText(_MD_IMGCATNAME, 'imgcat_name', 50, 255), true);
        $form->addElement(new XoopsFormSelectGroup(_MD_IMGCATRGRP, 'readgroup', true, XOOPS_GROUP_ADMIN, 5, true));
        $form->addElement(new XoopsFormSelectGroup(_MD_IMGCATWGRP, 'writegroup', true, XOOPS_GROUP_ADMIN, 5, true));
        $form->addElement(new XoopsFormText(_IMGMAXSIZE, 'imgcat_maxsize', 10, 10, 50000));
        $form->addElement(new XoopsFormText(_IMGMAXWIDTH, 'imgcat_maxwidth', 3, 4, 120));
        $form->addElement(new XoopsFormText(_IMGMAXHEIGHT, 'imgcat_maxheight', 3, 4, 120));
        $form->addElement(new XoopsFormText(_MD_IMGCATWEIGHT, 'imgcat_weight', 3, 4, 0));
        $form->addElement(new XoopsFormRadioYN(_MD_IMGCATDISPLAY, 'imgcat_display', 1, _YES, _NO));
        $storetype = new XoopsFormRadio(_MD_IMGCATSTRTYPE.'<br /><span style="color:#ff0000;">'._MD_STRTYOPENG.'</span>', 'imgcat_storetype', 'file');
        $storetype->addOptionArray(array('file' => _MD_ASFILE, 'db' => _MD_INDB));
        $form->addElement($storetype);
        $form->addElement(new XoopsFormHidden('op', 'addcat'));
        $form->addElement(new XoopsFormHidden('fct', 'images'));
        $form->addElement(new XoopsFormButton('', 'imgcat_button', _SUBMIT, 'submit'));
        $form->display();
        xoops_cp_footer();
        exit();
    }

    if ($op == 'listimg') {
        $imgcat_id = intval($imgcat_id);
        if ($imgcat_id <= 0) {
            redirect_header('admin.php?fct=images',1);
        }
        $imgcat_handler = xoops_gethandler('imagecategory');
        $imagecategory =& $imgcat_handler->get($imgcat_id);
        if (!is_object($imagecategory)) {
            redirect_header('admin.php?fct=images',1);
        }
        $image_handler = xoops_gethandler('image');
        xoops_cp_header();
        echo '<a href="admin.php?fct=images">'. _MD_IMGMAIN .'</a>&nbsp;<span style="font-weight:bold;">&raquo;&raquo;</span>&nbsp;'.$imagecategory->getVar('imgcat_name').'<br /><br />';
        $criteria = new Criteria('imgcat_id', $imgcat_id);
        $imgcount = $image_handler->getCount($criteria);
        $start = isset($_GET['start']) ? intval($_GET['start']) : 0;
        $criteria->setStart($start);
        $criteria->setLimit(20);
        $images =& $image_handler->getObjects($criteria, true, false);
        echo '<form action="admin.php" method="post">';
        foreach (array_keys($images) as $i) {

            echo '<table width="100%" class="outer"><tr><td width="30%" rowspan="6">';
            if ($imagecategory->getVar('imgcat_storetype') == 'db') {
                echo '<img src="'.XOOPS_URL.'/image.php?id='.$i.'" alt="" />';
            } else {
                echo '<img src="'.XOOPS_UPLOAD_URL.'/'.$images[$i]->getVar('image_name').'" alt="" />';
            }
            echo '</td><td class="head">'._IMAGENAME,'</td><td class="even"><input type="hidden" name="image_id[]" value="'.$i.'" /><input type="text" name="image_nicename[]" value="'.$images[$i]->getVar('image_nicename', 'E').'" size="20" maxlength="255" /></td></tr><tr><td class="head">'._IMAGEMIME.'</td><td class="odd">'.$images[$i]->getVar('image_mimetype').'</td></tr><tr><td class="head">'._IMAGECAT.'</td><td class="even"><select name="imgcat_id[]" size="1">';
            $list =& $imgcat_handler->getList(array(), null, null, $imagecategory->getVar('imgcat_storetype'));
            foreach ($list as $value => $name) {
                $sel = '';
                if ($value == $images[$i]->getVar('imgcat_id')) {
                    $sel = ' selected="selected"';
                }
                echo '<option value="'.$value.'"'.$sel.'>'.$name.'</option>';
            }
            echo '</select></td></tr><tr><td class="head">'._IMGWEIGHT.'</td><td class="odd"><input type="text" name="image_weight[]" value="'.$images[$i]->getVar('image_weight').'" size="3" maxlength="4" /></td></tr><tr><td class="head">'._IMGDISPLAY.'</td><td class="even"><input type="checkbox" name="image_display[]" value="1"';
            if ($images[$i]->getVar('image_display') == 1) {
                echo ' checked="checked"';
            }
            echo ' /></td></tr><tr><td class="head">&nbsp;</td><td class="odd"><a href="admin.php?fct=images&amp;op=delfile&amp;image_id='.$i.'">'._DELETE.'</a></td></tr></table><br />';
        }
        if ($imgcount > 0) {
            if ($imgcount > 20) {
                include_once XOOPS_ROOT_PATH.'/class/pagenav.php';
                $nav = new XoopsPageNav($imgcount, 20, $start, 'start', 'fct=images&amp;op=listimg&amp;imgcat_id='.$imgcat_id);
                echo '<div text-align="right">'.$nav->renderNav().'</div>';
            }
            echo '<div style="text-align:center;"><input type="hidden" name="op" value="save" /><input type="hidden" name="fct" value="images" />'.$GLOBALS['xoopsSecurity']->getTokenHTML().'<input type="submit" name="submit" value="'._SUBMIT.'" /></div></form>';
        }
        xoops_cp_footer();
        exit();
    }

    if ($op == 'save') {
        if (!$GLOBALS['xoopsSecurity']->check()) {
            redirect_header('admin.php?fct=images', 3, implode('<br />', $GLOBALS['xoopsSecurity']->getErrors()));
        }
        $count = count($image_id);
        if ($count > 0) {
            $image_handler =& xoops_gethandler('image');
            $error = array();
            for ($i = 0; $i < $count; $i++) {
                $image =& $image_handler->get($image_id[$i]);
                if (!is_object($image)) {
                    $error[] = sprintf(_FAILGETIMG, $image_id[$i]);
                    continue;
                }
                $image_display[$i] = empty($image_display[$i]) ? 0 : 1;
                $image->setVar('image_display', $image_display[$i]);
                $image->setVar('image_weight', $image_weight[$i]);
                $image->setVar('image_nicename', $image_nicename[$i]);
                $image->setVar('imgcat_id', $imgcat_id[$i]);
                if (!$image_handler->insert($image)) {
                    $error[] = sprintf(_FAILSAVEIMG, $image_id[$i]);
                }
            }
            if (count($error) > 0) {
                xoops_cp_header();
                foreach ($error as $err) {
                    echo $err.'<br />';
                }
                xoops_cp_footer();
                exit();
            }
        }
        redirect_header('admin.php?fct=images',2,_MD_AM_DBUPDATED);
    }

    if ($op == 'addfile') {
        if (!$GLOBALS['xoopsSecurity']->check()) {
            redirect_header('admin.php?fct=images', 3, implode('<br />', $GLOBALS['xoopsSecurity']->getErrors()));
        }
        $imgcat_handler =& xoops_gethandler('imagecategory');
        $imagecategory =& $imgcat_handler->get(intval($imgcat_id));
        if (!is_object($imagecategory)) {
            redirect_header('admin.php?fct=images',1);
        }
        include_once XOOPS_ROOT_PATH.'/class/uploader.php';
        $uploader = new XoopsMediaUploader(XOOPS_UPLOAD_PATH, array('image/gif', 'image/jpeg', 'image/pjpeg', 'image/x-png', 'image/png', 'image/bmp'), $imagecategory->getVar('imgcat_maxsize'), $imagecategory->getVar('imgcat_maxwidth'), $imagecategory->getVar('imgcat_maxheight'));
        $uploader->setPrefix('img');
        $err = array();
        $ucount = count($_POST['xoops_upload_file']);
        for ($i = 0; $i < $ucount; $i++) {
            if ($uploader->fetchMedia($_POST['xoops_upload_file'][$i])) {
                if (!$uploader->upload()) {
                    $err[] = $uploader->getErrors();
                } else {
                    $image_handler =& xoops_gethandler('image');
                    $image =& $image_handler->create();
                    $image->setVar('image_name', $uploader->getSavedFileName());
                    $image->setVar('image_nicename', $image_nicename);
                    $image->setVar('image_mimetype', $uploader->getMediaType());
                    $image->setVar('image_created', time());
                    $image_display = empty($image_display) ? 0 : 1;
                    $image->setVar('image_display', $image_display);
                    $image->setVar('image_weight', $image_weight);
                    $image->setVar('imgcat_id', $imgcat_id);
                    if ($imagecategory->getVar('imgcat_storetype') == 'db') {
                        $fp = @fopen($uploader->getSavedDestination(), 'rb');
                        $fbinary = @fread($fp, filesize($uploader->getSavedDestination()));
                        @fclose($fp);
                        $image->setVar('image_body', $fbinary, true);
                        @unlink($uploader->getSavedDestination());
                    }
                    if (!$image_handler->insert($image)) {
                        $err[] = sprintf(_FAILSAVEIMG, $image->getVar('image_nicename'));
                    }
                }
            } else {
                $err[] = sprintf(_FAILFETCHIMG, $i);
                $err = array_merge($err, $uploader->getErrors(false));
            }
        }