ecshop init.php文件分析
1. ecshop init.php文件分析
2. 3.
4. /**
5. * ECSHOP 前台公用文件
6. *
===========================================================================
=
7. * 版权所有 2005-2008 上海商派网络科技有限公司,并保留所有权利。
8. * 网站地址: [url]http://www.ecshop.com[/url];
9. * ----------------------------------------------------------------------------
10. * 这不是一个自由软件!您只能在不用于商业目的的前提下对程序代码进行修改和
11. * 使用;不允许对程序代码以任何形式任何目的的再发布。
12. *
===========================================================================
=
13. * $Author: likai $
14. * $Id: init.php 16132 2009-05-31 08:59:15Z likai $
15. */
16.
17. // 禁止跨域引入文件.
18. if (!defined('IN_ECS')){
19. die('Hacking attempt'); // 黑客企图
20. }
21.
22. // 无用代码,后期功能复盖
23. error_reporting(E_ALL);
24.
25. // 防止菜鸟将此变量从GET POST 或者新常量定义.
26. if (__FILE__ == ''){
27. die('Fatal error code: 0');
28. }
29.
30. /* 取得当前ecshop所在的根目录 比discuz的复杂 */
31. define('ROOT_PATH', str_replace('includes/init.php', '', str_replace('\', '/', __FILE__)));
32.
33. // 判断data目录中的install文件不存在 && include中的安装锁文件不存在 并且没有定义
NO_CHECK_INSTALL常量, 就跳转到安装页.
34. if (!file_exists(ROOT_PATH . 'data/install.lock') && !file_exists(ROOT_PATH . 'includes/install.lock')
35. && !defined('NO_CHECK_INSTALL'))
36. {
37. header("Location: ./install/index.phpn");
38. exit;
39. }
40.
41. /* 初始化设置 */
42. @ini_set('memory_limit', '64M');
43. @ini_set('session.cache_expire', 180);
44. @ini_set('session.use_trans_sid', 0);
45. @ini_set('session.use_cookies', 1);
46. @ini_set('session.auto_start', 0);
47. @ini_set('display_errors', 1); // 开启报错.
48.
49. //设置通用的引入目录. wind 是 .; 新的目录 linux是 .: 就是以什么为分隔.
50. if (DIRECTORY_SEPARATOR == '\'){
51. @ini_set('include_path', '.;' . ROOT_PATH);
52. }
53. else
54. {
55. @ini_set('include_path', '.:' . ROOT_PATH);
56. }
57. // 引入配置文件.简单的配置.
58. require(ROOT_PATH . 'data/config.php');
59.
60. // 养成良好的习惯, 凡是常量定义,都判断一下是否已经定义过.
61. if (defined('DEBUG_MODE') == false){
62. define('DEBUG_MODE', 0); // 定义为0
63. }
64.
65. //版本判断, 如果版本低于5.1 并表$timezone不为空. $timezone来自 config.php文件
66. if (PHP_VERSION >= '5.1' && !empty($timezone))
67. {
68. date_default_timezone_set($timezone); // 设置通用时区.
69. }
70.
71. //获得当前文件,不包括GET;
72. $php_self = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] :
$_SERVER['SCRIPT_NAME'];
73.
74. // 假如用户访问的是目录, 就自动添加index.php默认页.
75. if ('/' == substr($php_self, -1)){
76. $php_self .= 'index.php';
77. }
78. // 然后将当前页路径定义为常量,PHP_SELF; 没有域名导向的.
79. define('PHP_SELF', $php_self);
80.
81. // 开始引入文件了.日后再一个一个分析.
82. require(ROOT_PATH . 'includes/inc_constant.php');
83. require(ROOT_PATH . 'includes/cls_ecshop.php');
84. require(ROOT_PATH . 'includes/cls_error.php');
85. require(ROOT_PATH . 'includes/lib_time.php');
86. require(ROOT_PATH . 'includes/lib_base.php');
87. require(ROOT_PATH . 'includes/lib_common.php');
88. require(ROOT_PATH . 'includes/lib_main.php');
89. require(ROOT_PATH . 'includes/lib_insert.php');
90. require(ROOT_PATH . 'includes/lib_goods.php');
91. require(ROOT_PATH . 'includes/lib_article.php');
92.
93. /* 对用户传入的变量进行转义操作。*/ //通用转义方法. 没discuz优化.
94. if (!get_magic_quotes_gpc())
95. {
96. if (!empty($_GET))
97. {
98. $_GET = addslashes_deep($_GET);
99. }
100. if (!empty($_POST))
101. {
102. $_POST = addslashes_deep($_POST);
103. }
104.
105. $_COOKIE = addslashes_deep($_COOKIE);
106. $_REQUEST = addslashes_deep($_REQUEST);
107. }
108.
109. /* 创建 ECSHOP 对象 */
110. $ecs = new ECS($db_name, $prefix);
111.
112. //定义数据目录及图片目录.
113. define('DATA_DIR', $ecs->data_dir());
114. define('IMAGE_DIR', $ecs->image_dir());
115.
116. /* 初始化数据库类 */
117. require(ROOT_PATH . 'includes/cls_mysql.php');
118. $db = new cls_mysql($db_host, $db_user, $db_pass, $db_name);
119. // 设置不充许缓存的表, 比如用户动作,栏目.
120. $db->set_disable_cache_tables(array($ecs->table('sessions'), $ecs->table('sessions_data'),
$ecs->table('cart')));
121. $db_host = $db_user = $db_pass = $db_name = NULL;
122.
123. /* 创建错误处理对象 */
124. $err = new ecs_error('message.dwt');
125.
126. /* 载入系统参数 */
127. $_CFG = load_config();
128.
129. /* 载入语言文件 */
130. require(ROOT_PATH . 'languages/' . $_CFG['lang'] . '/common.php');
131. if ($_CFG['shop_closed'] == 1)
132. {
133. /* 商店关闭了,输出关闭的消息 */
134. header('Content-type: text/html; charset='.EC_CHARSET);
135.
136. die('
' . $_LANG['shop_closed'] .
'
' . $_CFG['close_comment'] . '
137. }
138.
139. if (is_spider())
140. {
141. /* 如果是蜘蛛的访问,那么默认为访客方式,并且不记录到日志中 */
142. if (!defined('INIT_NO_USERS'))
143. {
144. define('INIT_NO_USERS', true);
145. /* 整合UC后,如果是蜘蛛访问,初始化UC需要的常量 */
146. if($_CFG['integrate_code'] == 'ucenter')
147. {
148. $user = & init_users();
149. }
150. }
151. $_SESSION = array();
152. $_SESSION['user_id'] = 0;
153. $_SESSION['user_name'] = '';
154. $_SESSION['email'] = '';
155. $_SESSION['user_rank'] = 0;
156. $_SESSION['discount'] = 1.00;
157. }
158.
159. if (!defined('INIT_NO_USERS'))
160. {
161. /* 初始化session */
162. include(ROOT_PATH . 'includes/cls_session.php');
163.
164. $sess = new cls_session($db, $ecs->table('sessions'), $ecs->table('sessions_data'));
165.
166. define('SESS_ID', $sess->get_session_id());
167. }
168.
169. if (!defined('INIT_NO_SMARTY'))
170. {
171. header('Cache-control: private');
172. header('Content-type: text/html; charset='.EC_CHARSET);
173.
174. /* 创建 Smarty 对象。*/
175. require(ROOT_PATH . 'includes/cls_template.php');
176. $smarty = new cls_template;
177.
178. $smarty->cache_lifetime = $_CFG['cache_time'];
179. $smarty->template_dir = ROOT_PATH . 'themes/' . $_CFG['template'];
180. $smarty->cache_dir = ROOT_PATH . 'temp/caches';
181. $smarty->compile_dir = ROOT_PATH . 'temp/compiled';
182.
183. // 判断一下是否进行更新.
184. if ((DEBUG_MODE & 2) == 2)
185. {
186. $smarty->direct_output = true;
187. $smarty->force_compile = true;
188. }
189. else
190. {
191. $smarty->direct_output = false;
192. $smarty->force_compile = false;
193. }
194.
195. // 熟悉的smarty的注入.
196. $smarty->assign('lang', $_LANG);
197. $smarty->assign('ecs_charset', EC_CHARSET);
198. // 设置CSS文件.
199. if (!empty($_CFG['stylename']))
200. {
201. $smarty->assign('ecs_css_path', 'themes/' . $_CFG['template'] . '/style_' . $_CFG['stylename'] . '.css');
202. }
203. else
204. {
205. $smarty->assign('ecs_css_path', 'themes/' . $_CFG['template'] . '/style.css');
206. }
207.
208. }
209.
210. if (!defined('INIT_NO_USERS'))
211. {
212. /* 会员信息 */
213. $user =& init_users();
214.
215. if (!isset($_SESSION['user_id']))
216. {
217. /* 获取投放站点的名称 */
218. $site_name = isset($_GET['from']) ? $_GET['from'] : addslashes($_LANG['self_site']);
219. $from_ad = !empty($_GET['ad_id']) ? intval($_GET['ad_id']) : 0;
220.
221. $_SESSION['from_ad'] = $from_ad; // 用户点击的广告ID
222. $_SESSION['referer'] = stripslashes($site_name); // 用户来源
223.
224. unset($site_name);
225.
226. if (!defined('INGORE_VISIT_STATS'))
227. {
228. visit_stats();
229. }
230. }
231.
232. if (empty($_SESSION['user_id']))
233. {
234. if ($user->get_cookie())
235. {
236. /* 如果会员已经登录并且还没有获得会员的帐户余额、积分以及优惠券 */
237. if ($_SESSION['user_id'] > 0)
238. {
239. update_user_info();
240. }
241. }
242. else
243. {
244. $_SESSION['user_id'] = 0;
245. $_SESSION['user_name'] = '';
246. $_SESSION['email'] = '';
247. $_SESSION['user_rank'] = 0;
248. $_SESSION['discount'] = 1.00;
249. if (!isset($_SESSION['login_fail']))
250. {
251. $_SESSION['login_fail'] = 0;
252. }
253. }
254. }
255.
256. /* 设置推荐会员 */
257. if (isset($_GET['u']))
258. {
259. set_affiliate();
260. }
261. if (isset($smarty))
262. {
263. $smarty->assign('ecs_session', $_SESSION);
264. }
265. }
266. // 修改报错级别.
267. if ((DEBUG_MODE & 1) == 1)
268. {
269. error_reporting(E_ALL);
270. }
271. else
272. {
273. error_reporting(E_ALL ^ E_NOTICE);
274. }
275. if ((DEBUG_MODE & 4) == 4)
276. {
277. include(ROOT_PATH . 'includes/lib.debug.php');
278. }
279.
280. /* 判断是否支持 Gzip 模式 */
281. if (!defined('INIT_NO_SMARTY') && gzip_enabled())
282. {
283. ob_start('ob_gzhandler');
284. }
285. else
286. {
287. ob_start();
288. }
289.
290. ?>

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