avatar.php

<?php
/**
 * 输出头像图片
 *
 * 输出头像图片
 * 
 * 调用模板：无
 * 
 * @category   jieqicms
 * @package    system
 * @copyright  Copyright (c) Hangzhou Jieqi Network Technology Co.,Ltd. (http://www.jieqi.com)
 * @author     $Author: juny $
 * @version    $Id: avatar.php 344 2009-06-23 03:06:07Z juny $
 */


define('JIEQI_MODULE_NAME', 'system');
require_once('global.php');
if(empty($_REQUEST['uid'])) exit(LANG_ERROR_PARAMETER);
else $_REQUEST['uid'] = intval($_REQUEST['uid']);
if(empty($_REQUEST['size']) || !in_array($_REQUEST['size'], array('l', 's', 'i'))) $_REQUEST['size']='l';
jieqi_getconfigs('system', 'configs');
if(function_exists('gd_info') && $jieqiConfigs['system']['avatarcut']) $avatar_cut = true;
else $avatar_cut = false;
if(empty($_REQUEST['type']) || !isset($jieqi_image_type[$_REQUEST['type']])){
	include_once(JIEQI_ROOT_PATH.'/class/users.php');
	$users_handler =& JieqiUsersHandler::getInstance('JieqiUsersHandler');
	$userobj=$users_handler->get($_REQUEST['uid']);
	if(!is_object($userobj)) exit(LANG_NO_USER);
	else $_REQUEST['type'] = $userobj->getVar('avatar');
}
$base_avatar = '';
if($_REQUEST['type'] == 0) {
	$_REQUEST['uid'] = 'noavatar';
	$base_avatar = JIEQI_ROOT_PATH.'/images';
	$prefix = '.jpg';
}elseif(!isset($jieqi_image_type[$_REQUEST['type']])){
	exit('wrong image file type!');
}else{
	$prefix = $jieqi_image_type[$_REQUEST['type']];
}
if(empty($base_avatar)) $base_avatar = jieqi_uploadpath($jieqiConfigs['system']['avatardir'], 'system').jieqi_getsubdir($_REQUEST['uid']);
switch($_REQUEST['size']){
	case 's':
		$imgfile = $avatar_cut ? $base_avatar.'/'.$_REQUEST['uid'].'s'.$prefix : $base_avatar.'/'.$_REQUEST['uid'].$prefix;
		break;
	case 'i':
		$imgfile = $avatar_cut ? $base_avatar.'/'.$_REQUEST['uid'].'i'.$prefix : $base_avatar.'/'.$_REQUEST['uid'].$prefix;
		break;
	case 'l':
	default:
		$imgfile = $base_avatar.'/'.$_REQUEST['uid'].$prefix;
		break;
}
if(is_file($imgfile)){
	switch($prefix){
		case '.jpg':
		case '.jpeg':
			header("Content-type: image/jpeg");
			break;
		case '.gif':
			header("Content-type: image/gif");
			break;
		case '.bmp':
			header("Content-type: image/bmp");
			break;
		case '.png':
		default:
			header("Content-type: image/png");
			break;
	}
	echo jieqi_readfile($imgfile);
}else{
	exit('image file is not exists!');
}
?>