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取得随机字符串

程序员文章站 2022-05-16 10:52:38
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取得随机字符串
  1. /*
  2. 作用：取得随机字符串
  3. 参数：
  4. 1、(int)$length = 32 #随机字符长度，默认为32
  5. 2、(int)$mode = 0 #随机字符类型，0为大小写英文和数字，1为数字，2为小写子木，3为大写字母，4为大小写字母，5为大写字母和数字，6为小写字母和数字
  6. 返回：取得的字符串
  7. 使用：
  8. $code = new activeCodeObj;
  9. $str = $code->getCode($length, $mode);
  10. */
  11. class activeCodeObj
  12. {
  13. function getCode ($length = 32, $mode = 0)
  14. {
  15. switch ($mode) {
  16. case '1':
  17. $str = '1234567890';
  18. break;
  19. case '2':
  20. $str = 'abcdefghijklmnopqrstuvwxyz';
  21. break;
  22. case '3':
  23. $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  24. break;
  25. case '4':
  26. $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
  27. break;
  28. case '5':
  29. $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
  30. break;
  31. case '6':
  32. $str = 'abcdefghijklmnopqrstuvwxyz1234567890';
  33. break;
  34. default:
  35. $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890';
  36. break;
  37. }
  39. $result = '';
  40. $l = strlen($str);
  42. for($i = 0;$i $num = rand(0, $l);
  43. $result .= $str[$num];
  44. }
  45. return $result;
  46. }
  47. }
  48. 取得客户端信息
  50. /*
  51. 作用：取得客户端信息
  52. 参数：
  53. 返回：指定的资料
  54. 使用：
  55. $code = new clientGetObj;
  56. 1、浏览器：$str = $code->getBrowse();
  57. 2、IP地址：$str = $code->getIP();
  58. 4、操作系统：$str = $code->getOS();
  59. */
  61. class clientGetObj
  62. {
  63. function getBrowse()
  64. {
  65. global $_SERVER;
  66. $Agent = $_SERVER['HTTP_USER_AGENT'];
  67. $browser = '';
  68. $browserver = '';
  69. $Browser = array('Lynx', 'MOSAIC', 'AOL', 'Opera', 'JAVA', 'MacWeb', 'WebExplorer', 'OmniWeb');
  70. for($i = 0; $i if(strpos($Agent, $Browsers[$i])){
  71. $browser = $Browsers[$i];
  72. $browserver = '';
  73. }
  74. }
  75. if(ereg('Mozilla', $Agent) && !ereg('MSIE', $Agent)){
  76. $temp = explode('(', $Agent);
  77. $Part = $temp[0];
  78. $temp = explode('/', $Part);
  79. $browserver = $temp[1];
  80. $temp = explode(' ', $browserver);
  81. $browserver = $temp[0];
  82. $browserver = preg_replace('/([d.]+)/', '\1', $browserver);
  83. $browserver = $browserver;
  84. $browser = 'Netscape Navigator';
  85. }
  86. if(ereg('Mozilla', $Agent) && ereg('Opera', $Agent)) {
  87. $temp = explode('(', $Agent);
  88. $Part = $temp[1];
  89. $temp = explode(')', $Part);
  90. $browserver = $temp[1];
  91. $temp = explode(' ', $browserver);
  92. $browserver = $temp[2];
  93. $browserver = preg_replace('/([d.]+)/', '\1', $browserver);
  94. $browserver = $browserver;
  95. $browser = 'Opera';
  96. }
  97. if(ereg('Mozilla', $Agent) && ereg('MSIE', $Agent)){
  98. $temp = explode('(', $Agent);
  99. $Part = $temp[1];
  100. $temp = explode(';', $Part);
  101. $Part = $temp[1];
  102. $temp = explode(' ', $Part);
  103. $browserver = $temp[2];
  104. $browserver = preg_replace('/([d.]+)/','\1',$browserver);
  105. $browserver = $browserver;
  106. $browser = 'Internet Explorer';
  107. }
  108. if($browser != ''){
  109. $browseinfo = $browser.' '.$browserver;
  110. } else {
  111. $browseinfo = false;
  112. }
  113. return $browseinfo;
  114. }
  116. function getIP ()
  117. {
  118. global $_SERVER;
  119. if (getenv('HTTP_CLIENT_IP')) {
  120. $ip = getenv('HTTP_CLIENT_IP');
  121. } else if (getenv('HTTP_X_FORWARDED_FOR')) {
  122. $ip = getenv('HTTP_X_FORWARDED_FOR');
  123. } else if (getenv('REMOTE_ADDR')) {
  124. $ip = getenv('REMOTE_ADDR');
  125. } else {
  126. $ip = $_SERVER['REMOTE_ADDR'];
  127. }
  128. return $ip;
  129. }
  131. function getOS ()
  132. {
  133. global $_SERVER;
  134. $agent = $_SERVER['HTTP_USER_AGENT'];
  135. $os = false;
  136. if (eregi('win', $agent) && strpos($agent, '95')){
  137. $os = 'Windows 95';
  138. }
  139. else if (eregi('win 9x', $agent) && strpos($agent, '4.90')){
  140. $os = 'Windows ME';
  141. }
  142. else if (eregi('win', $agent) && ereg('98', $agent)){
  143. $os = 'Windows 98';
  144. }
  145. else if (eregi('win', $agent) && eregi('nt 5.1', $agent)){
  146. $os = 'Windows XP';
  147. }
  148. else if (eregi('win', $agent) && eregi('nt 5', $agent)){
  149. $os = 'Windows 2000';
  150. }
  151. else if (eregi('win', $agent) && eregi('nt', $agent)){
  152. $os = 'Windows NT';
  153. }
  154. else if (eregi('win', $agent) && ereg('32', $agent)){
  155. $os = 'Windows 32';
  156. }
  157. else if (eregi('linux', $agent)){
  158. $os = 'Linux';
  159. }
  160. else if (eregi('unix', $agent)){
  161. $os = 'Unix';
  162. }
  163. else if (eregi('sun', $agent) && eregi('os', $agent)){
  164. $os = 'SunOS';
  165. }
  166. else if (eregi('ibm', $agent) && eregi('os', $agent)){
  167. $os = 'IBM OS/2';
  168. }
  169. else if (eregi('Mac', $agent) && eregi('PC', $agent)){
  170. $os = 'Macintosh';
  171. }
  172. else if (eregi('PowerPC', $agent)){
  173. $os = 'PowerPC';
  174. }
  175. else if (eregi('AIX', $agent)){
  176. $os = 'AIX';
  177. }
  178. else if (eregi('HPUX', $agent)){
  179. $os = 'HPUX';
  180. }
  181. else if (eregi('NetBSD', $agent)){
  182. $os = 'NetBSD';
  183. }
  184. else if (eregi('BSD', $agent)){
  185. $os = 'BSD';
  186. }
  187. else if (ereg('OSF1', $agent)){
  188. $os = 'OSF1';
  189. }
  190. else if (ereg('IRIX', $agent)){
  191. $os = 'IRIX';
  192. }
  193. else if (eregi('FreeBSD', $agent)){
  194. $os = 'FreeBSD';
  195. }
  196. else if (eregi('teleport', $agent)){
  197. $os = 'teleport';
  198. }
  199. else if (eregi('flashget', $agent)){
  200. $os = 'flashget';
  201. }
  202. else if (eregi('webzip', $agent)){
  203. $os = 'webzip';
  204. }
  205. else if (eregi('offline', $agent)){
  206. $os = 'offline';
  207. }
  208. else {
  209. $os = 'Unknown';
  210. }
  211. return $os;
  212. }
  214. }
  216. //修改自q3boy
  217. class cnStrObj
  218. {
  219. function substrGB ($str = '', $start = '', $len = ''){
  220. if($start == 0 || $start == ''){
  221. $start = 1;
  222. }
  223. if($str == '' || $len == ''){
  224. return false;
  225. }
  226. for($i = 0; $i $tmpstr = (ord($str[$i]) >= 161 && ord($str[$i]) = 161 && ord($str[$i+1]) if ($i >= $start && $i {
  227. $tmp .=$tmpstr;
  228. }
  229. }
  230. return $tmp;
  231. }
  233. function isGB ($str)
  234. {
  235. $strLen = strlen($str);
  236. $length = 1;
  237. for($i = 0; $i $tmpstr = ord(substr($str, $i, 1));
  238. $tmpstr2 = ord(substr($str, $i+1, 1));
  239. if(($tmpstr = 247) && ($tmpstr2 = 247)){
  240. $legalflag = false;
  241. } else {
  242. $legalflag = true;
  243. }
  244. }
  245. return $legalflag;
  246. }
  247. }
  249. //下载自某e文网站
  250. /***************************************
  251. ** Filename.......: class.smtp.inc
  252. ** Project........: SMTP Class
  253. ** Version........: 1.00b
  254. ** Last Modified..: 30 September 2001
  255. ***************************************/
  257. define('SMTP_STATUS_NOT_CONNECTED', 1, TRUE);
  258. define('SMTP_STATUS_CONNECTED', 2, TRUE);
  260. class smtp{
  262. var $connection;
  263. var $recipients;
  264. var $headers;
  265. var $timeout;
  266. var $errors;
  267. var $status;
  268. var $body;
  269. var $from;
  270. var $host;
  271. var $port;
  272. var $helo;
  273. var $auth;
  274. var $user;
  275. var $pass;
  277. /***************************************
  278. ** Constructor function. Arguments:
  279. ** $params - An assoc array of parameters:
  280. **
  281. ** host - The hostname of the smtp server Default: localhost
  282. ** port - The port the smtp server runs on Default: 25
  283. ** helo - What to send as the HELO command Default: localhost
  284. ** (typically the hostname of the
  285. ** machine this script runs on)
  286. ** auth - Whether to use basic authentication Default: FALSE
  287. ** user - Username for authentication Default:
  288. ** pass - Password for authentication Default:
  289. ** timeout - The timeout in seconds for the call Default: 5
  290. ** to fsockopen()
  291. ***************************************/
  293. function smtp($params = array()){
  295. if(!defined('CRLF'))
  296. define('CRLF', "\r\n", TRUE);
  298. $this->timeout = 5;
  299. $this->status = SMTP_STATUS_NOT_CONNECTED;
  300. $this->host = 'localhost';
  301. $this->port = 25;
  302. $this->helo = 'localhost';
  303. $this->auth = FALSE;
  304. $this->user = '';
  305. $this->pass = '';
  306. $this->errors = array();
  308. foreach($params as $key => $value){
  309. $this->$key = $value;
  310. }
  311. }
  313. /***************************************
  314. ** Connect function. This will, when called
  315. ** statically, create a new smtp object,
  316. ** call the connect function (ie this function)
  317. ** and return it. When not called statically,
  318. ** it will connect to the server and send
  319. ** the HELO command.
  320. ***************************************/
  322. function connect($params = array()){
  324. if(!isset($this->status)){
  325. $obj = new smtp($params);
  326. if($obj->connect()){
  327. $obj->status = SMTP_STATUS_CONNECTED;
  328. }
  330. return $obj;
  332. }else{
  333. $this->connection = fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);
  334. socket_set_timeout($this->connection, 0, 250000);
  336. $greeting = $this->get_data();
  337. if(is_resource($this->connection)){
  338. return $this->auth ? $this->ehlo() : $this->helo();
  339. }else{
  340. $this->errors[] = 'Failed to connect to server: '.$errstr;
  341. return FALSE;
  342. }
  343. }
  344. }
  346. /***************************************
  347. ** Function which handles sending the mail.
  348. ** Arguments:
  349. ** $params - Optional assoc array of parameters.
  350. ** Can contain:
  351. ** recipients - Indexed array of recipients
  352. ** from - The from address. (used in MAIL FROM取得随机字符串,
  353. ** this will be the return path
  354. ** headers - Indexed array of headers, one header per array entry
  355. ** body - The body of the email
  356. ** It can also contain any of the parameters from the connect()
  357. ** function
  358. ***************************************/
  360. function send($params = array()){
  362. foreach($params as $key => $value){
  363. $this->set($key, $value);
  364. }
  366. if($this->is_connected()){
  368. // Do we auth or not? Note the distinction between the auth variable and auth() function
  369. if($this->auth){
  370. if(!$this->auth())
  371. return FALSE;
  372. }
  374. $this->mail($this->from);
  375. if(is_array($this->recipients))
  376. foreach($this->recipients as $value)
  377. $this->rcpt($value);
  378. else
  379. $this->rcpt($this->recipients);
  381. if(!$this->data())
  382. return FALSE;
  384. // Transparency
  385. $headers = str_replace(CRLF.'.', CRLF.'..', trim(implode(CRLF, $this->headers)));
  386. $body = str_replace(CRLF.'.', CRLF.'..', $this->body);
  387. $body = $body[0] == '.' ? '.'.$body : $body;
  389. $this->send_data($headers);
  390. $this->send_data('');
  391. $this->send_data($body);
  392. $this->send_data('.');
  394. return (substr(trim($this->get_data()), 0, 3) === '250');
  395. }else{
  396. $this->errors[] = 'Not connected!';
  397. return FALSE;
  398. }
  399. }
  401. /***************************************
  402. ** Function to implement HELO cmd
  403. ***************************************/
  405. function helo(){
  406. if(is_resource($this->connection)
  407. AND $this->send_data('HELO '.$this->helo)
  408. AND substr(trim($error = $this->get_data()), 0, 3) === '250' ){
  410. return TRUE;
  412. }else{
  413. $this->errors[] = 'HELO command failed, output: ' . trim(substr(trim($error),3));
  414. return FALSE;
  415. }
  416. }
  418. /***************************************
  419. ** Function to implement EHLO cmd
  420. ***************************************/
  422. function ehlo(){
  423. if(is_resource($this->connection)
  424. AND $this->send_data('EHLO '.$this->helo)
  425. AND substr(trim($error = $this->get_data()), 0, 3) === '250' ){
  427. return TRUE;
  429. }else{
  430. $this->errors[] = 'EHLO command failed, output: ' . trim(substr(trim($error),3));
  431. return FALSE;
  432. }
  433. }
  435. /***************************************
  436. ** Function to implement AUTH cmd
  437. ***************************************/
  439. function auth(){
  440. if(is_resource($this->connection)
  441. AND $this->send_data('AUTH LOGIN')
  442. AND substr(trim($error = $this->get_data()), 0, 3) === '334'
  443. AND $this->send_data(base64_encode($this->user)) // Send username
  444. AND substr(trim($error = $this->get_data()),0,3) === '334'
  445. AND $this->send_data(base64_encode($this->pass)) // Send password
  446. AND substr(trim($error = $this->get_data()),0,3) === '235' ){
  448. return TRUE;
  450. }else{
  451. $this->errors[] = 'AUTH command failed: ' . trim(substr(trim($error),3));
  452. return FALSE;
  453. }
  454. }
  456. /***************************************
  457. ** Function that handles the MAIL FROM: cmd
  458. ***************************************/
  460. function mail($from){
  462. if($this->is_connected()
  463. AND $this->send_data('MAIL FROM:')
  464. AND substr(trim($this->get_data()), 0, 2) === '250' ){
  466. return TRUE;
  468. }else
  469. return FALSE;
  470. }
  472. /***************************************
  473. ** Function that handles the RCPT TO: cmd
  474. ***************************************/
  476. function rcpt($to){
  478. if($this->is_connected()
  479. AND $this->send_data('RCPT TO:')
  480. AND substr(trim($error = $this->get_data()), 0, 2) === '25' ){
  482. return TRUE;
  484. }else{
  485. $this->errors[] = trim(substr(trim($error), 3));
  486. return FALSE;
  487. }
  488. }
  490. /***************************************
  491. ** Function that sends the DATA cmd
  492. ***************************************/
  494. function data(){
  496. if($this->is_connected()
  497. AND $this->send_data('DATA')
  498. AND substr(trim($error = $this->get_data()), 0, 3) === '354' ){
  500. return TRUE;
  502. }else{
  503. $this->errors[] = trim(substr(trim($error), 3));
  504. return FALSE;
  505. }
  506. }
  508. /***************************************
  509. ** Function to determine if this object
  510. ** is connected to the server or not.
  511. ***************************************/
  513. function is_connected(){
  515. return (is_resource($this->connection) AND ($this->status === SMTP_STATUS_CONNECTED));
  516. }
  518. /***************************************
  519. ** Function to send a bit of data
  520. ***************************************/
  522. function send_data($data){
  524. if(is_resource($this->connection)){
  525. return fwrite($this->connection, $data.CRLF, strlen($data)+2);
  526. }else
  527. return FALSE;
  528. }
  530. /***************************************
  531. ** Function to get data.
  532. ***************************************/
  534. function &get_data(){
  536. $return = '';
  537. $line = '';
  539. if(is_resource($this->connection)){
  540. while(strpos($return, CRLF) === FALSE OR substr($line,3,1) !== ' '){
  541. $line = fgets($this->connection, 512);
  542. $return .= $line;
  543. }
  544. return $return;
  546. }else
  547. return FALSE;
  548. }
  550. /***************************************
  551. ** Sets a variable
  552. ***************************************/
  554. function set($var, $value){
  556. $this->$var = $value;
  557. return TRUE;
  558. }
  560. } // End of class
  561. ?>
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