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Get random string

Source: Internet
Author: User
Tags ereg ord
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Get random string
  2. /*
  4. Function: Get random string
  6. Parameters:
  8. 1, (int) $length = #随机字符长度, default is 32
  10. 2, (int) $mode = 0 #随机字符类型, 0 for the case of English and numerals, 1 for numbers, 2 for lowercase, 3 for uppercase, 4 for uppercase and lowercase, 5 for lowercase letters and numbers, 6 for small letters and numbers
  12. Return: The obtained string
  14. Use:
  16. $code = new Activecodeobj;
  18. $str = $code->getcode ($length, $mode);
  20. */
  22. Class Activecodeobj
  24. {
  26. function GetCode ($length = +, $mode = 0)
  28. {
  30. Switch ($mode) {
  32. Case ' 1 ':
  34. $str = ' 1234567890 ';
  36. Break
  38. Case ' 2 ':
  40. $str = ' abcdefghijklmnopqrstuvwxyz ';
  42. Break
  44. Case ' 3 ':
  46. $str = ' abcdefghijklmnopqrstuvwxyz ';
  48. Break
  50. Case ' 4 ':
  52. $str = ' abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz ';
  54. Break
  56. Case ' 5 ':
  58. $str = ' ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890 ';
  60. Break
  62. Case ' 6 ':
  64. $str = ' abcdefghijklmnopqrstuvwxyz1234567890 ';
  66. Break
  68. Default
  70. $str = ' ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890 ';
  72. Break
  74. }
  78. $result = ";
  80. $l = strlen ($STR);
  84. for ($i = 0; $i < $length; $i + +) {
  86. $num = rand (0, $l);
  88. $result. = $str [$num];
  90. }
  92. return $result;
  94. }
  96. }
  98. Get client Information
  102. /*
  104. Role: Obtain client information
  106. Parameters:
  108. Returns: the specified data
  110. Use:
  112. $code = new Clientgetobj;
  114. 1, browser: $str = $code->getbrowse ();
  116. 2, IP address: $str = $code->getip ();
  118. 4, operating system: $STR = $code->getos ();
  120. */
  124. Class Clientgetobj
  126. {
  128. function Getbrowse ()
  130. {
  132. Global $_server;
  134. $Agent = $_server[' http_user_agent ');
  136. $browser = ";
  138. $browserver = ";
  140. $Browser = Array (' Lynx ', ' MOSAIC ', ' AOL ', ' Opera ', ' JAVA ', ' macweb ', ' webexplorer ', ' omniweb ');
  142. for ($i = 0; $i <= 7; $i + +) {
  144. if (Strpos ($Agent, $Browsers [$i])) {
  146. $browser = $Browsers [$i];
  148. $browserver = ";
  150. }
  152. }
  154. if (Ereg (' Mozilla ', $Agent) &&!ereg (' MSIE ', $Agent)) {
  156. $temp = Explode (' (', $Agent);
  158. $Part = $temp [0];
  160. $temp = explode ('/', $Part);
  162. $browserver = $temp [1];
  164. $temp = Explode (' ', $browserver);
  166. $browserver = $temp [0];
  168. $browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
  170. $browserver = $browserver;
  172. $browser = ' Netscape Navigator ';
  174. }
  176. if (Ereg (' Mozilla ', $Agent) && ereg (' Opera ', $Agent)) {
  178. $temp = Explode (' (', $Agent);
  180. $Part = $temp [1];
  182. $temp = Explode (') ', $Part);
  184. $browserver = $temp [1];
  186. $temp = Explode (' ', $browserver);
  188. $browserver = $temp [2];
  190. $browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
  192. $browserver = $browserver;
  194. $browser = ' Opera ';
  196. }
  198. if (Ereg (' Mozilla ', $Agent) && ereg (' MSIE ', $Agent)) {
  200. $temp = Explode (' (', $Agent);
  202. $Part = $temp [1];
  204. $temp = explode ('; ', $Part);
  206. $Part = $temp [1];
  208. $temp = Explode (' ', $Part);
  210. $browserver = $temp [2];
  212. $browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
  214. $browserver = $browserver;
  216. $browser = ' Internet Explorer ';
  218. }
  220. if ($browser! = ") {
  222. $browseinfo = $browser. ' '. $browserver;
  224. } else {
  226. $browseinfo = false;
  228. }
  230. return $browseinfo;
  232. }
  236. function GetIP ()
  238. {
  240. Global $_server;
  242. if (getenv (' http_client_ip ')) {
  244. $ip = getenv (' http_client_ip ');
  246. } else if (getenv (' http_x_forwarded_for ')) {
  248. $ip = getenv (' http_x_forwarded_for ');
  250. } else if (getenv (' remote_addr ')) {
  252. $ip = getenv (' remote_addr ');
  254. } else {
  256. $ip = $_server[' remote_addr ');
  258. }
  260. return $IP;
  262. }
  266. function Getos ()
  268. {
  270. Global $_server;
  272. $agent = $_server[' http_user_agent ');
  274. $os = false;
  276. if (eregi (' win ', $agent) && strpos ($agent, ' 95 ')) {
  278. $os = ' Windows 95 ';
  280. }
  282. else if (eregi (' Win 9x ', $agent) && strpos ($agent, ' 4.90 ')) {
  284. $os = ' Windows ME ';
  286. }
  288. else if (eregi (' win ', $agent) && ereg (' 98 ', $agent)) {
  290. $os = ' Windows 98 ';
  292. }
  294. else if (eregi (' win ', $agent) && eregi (' NT 5.1 ', $agent)) {
  296. $os = ' Windows XP ';
  298. }
  300. else if (eregi (' win ', $agent) && eregi (' NT 5 ', $agent)) {
  302. $os = ' Windows 2000 ';
  304. }
  306. else if (eregi (' win ', $agent) && eregi (' NT ', $agent)) {
  308. $os = ' Windows NT ';
  310. }
  312. else if (eregi (' win ', $agent) && ereg (' + ', $agent)) {
  314. $os = ' Windows 32 ';
  316. }
  318. else if (eregi (' Linux ', $agent)) {
  320. $os = ' Linux ';
  322. }
  324. else if (eregi (' Unix ', $agent)) {
  326. $os = ' Unix ';
  328. }
  330. else if (eregi (' Sun ', $agent) && eregi (' OS ', $agent)) {
  332. $os = ' SunOS ';
  334. }
  336. else if (eregi (' IBM ', $agent) && eregi (' OS ', $agent)) {
  338. $os = ' IBM os/2 ';
  340. }
  342. else if (eregi (' Mac ', $agent) && eregi (' PC ', $agent)) {
  344. $os = ' Macintosh ';
  346. }
  348. else if (eregi (' PowerPC ', $agent)) {
  350. $os = ' PowerPC ';
  352. }
  354. else if (eregi (' AIX ', $agent)) {
  356. $os = ' AIX ';
  358. }
  360. else if (eregi (' HPUX ', $agent)) {
  362. $os = ' HPUX ';
  364. }
  366. else if (eregi (' NetBSD ', $agent)) {
  368. $os = ' NetBSD ';
  370. }
  372. else if (eregi (' BSD ', $agent)) {
  374. $os = ' BSD ';
  376. }
  378. else if (ereg (' OSF1 ', $agent)) {
  380. $os = ' OSF1 ';
  382. }
  384. else if (ereg (' IRIX ', $agent)) {
  386. $os = ' IRIX ';
  388. }
  390. else if (eregi (' FreeBSD ', $agent)) {
  392. $os = ' FreeBSD ';
  394. }
  396. else if (eregi (' teleport ', $agent)) {
  398. $os = ' teleport ';
  400. }
  402. else if (eregi (' FlashGet ', $agent)) {
  404. $os = ' FlashGet ';
  406. }
  408. else if (eregi (' Webzip ', $agent)) {
  410. $os = ' Webzip ';
  412. }
  414. else if (eregi (' Offline ', $agent)) {
  416. $os = ' offline ';
  418. }
  420. else {
  422. $os = ' Unknown ';
  424. }
  426. return $os;
  428. }
  432. }
  436. Modified from Q3boy
  438. Class Cnstrobj
  440. {
  442. function Substrgb ($str = ', $start = ', $len = ') {
  444. if ($start = = 0 | | $start = = ') {
  446. $start = 1;
  448. }
  450. if ($str = = "| | $len = =") {
  452. return false;
  454. }
  456. for ($i = 0; $i < $start + $len; $i + +) {
  458. $tmpstr = (ord ($str [$i]) >= 161 && Ord ($str [$i]) <= 247&& ord ($str [$i +1]) >= 161 && Ord ($ str[$i +1]) <= 254) $str [$i]. $str [+ + $i]: $tmpstr = $str [$i];
  460. if ($i >= $start && $i < ($start + $len))
  462. {
  464. $tmp. = $tmpstr;
  466. }
  468. }
  470. return $tmp;
  472. }
  476. function Isgb ($STR)
  478. {
  480. $strLen = StrLen ($STR);
  482. $length = 1;
  484. for ($i = 0; $i < $strLen; $i + +) {
  486. $tmpstr = Ord (substr ($str, $i, 1));
  488. $tmpstr 2 = Ord (substr ($str, $i +1, 1));
  490. if (($tmpstr <= 161 | | $tmpstr >= 247) && ($tmpstr 2 <= 161 | | $tmpstr 2 >= 247)) {
  492. $legalflag = false;
  494. } else {
  496. $legalflag = true;
  498. }
  500. }
  502. return $legalflag;
  504. }
  506. }
  510. Download from an e-text website
  512. /***************************************
  514. * * Filename ...: class.smtp.inc
  516. * * Project ...: SMTP Class
  518. * * Version ...: 1.00b
  520. * * Last Modified: September 2001
  522. ***************************************/
  526. Define (' smtp_status_not_connected ', 1, TRUE);
  528. Define (' smtp_status_connected ', 2, TRUE);
  532. Class smtp{
  536. var $connection;
  538. var $recipients;
  540. var $headers;
  542. var $timeout;
  544. var $errors;
  546. var $status;
  548. var $body;
  550. var $from;
  552. var $host;
  554. var $port;
  556. var $helo;
  558. var $auth;
  560. var $user;
  562. var $pass;
  566. /***************************************
  568. * * Constructor function. Arguments:
  570. * * $params-an Assoc Array of parameters:
  572. **
  574. * * host-the hostname of the SMTP server Default:localhost
  576. * * Port-the port The SMTP server runs on default:25
  578. * * Helo-what to Send as the HELO command default:localhost
  580. * * (typically the hostname of the
  582. * * Machine This script runs on)
  584. * * Auth-whether to use Basic authentication Default:false
  586. * * User-username for authentication Default:
  588. * * Pass-password for authentication Default:
  590. * * timeout-the timeout in seconds for the call Default:5
  592. * * to Fsockopen ()
  594. ***************************************/
  598. function smtp ($params = Array ()) {
  602. if (!defined (' CRLF '))
  604. Define (' CRLF ', "\ r \ n", TRUE);
  608. $this->timeout = 5;
  610. $this->status = smtp_status_not_connected;
  612. $this->host = ' localhost ';
  614. $this->port = 25;
  616. $this->helo = ' localhost ';
  618. $this->auth = FALSE;
  620. $this->user = ";
  622. $this->pass = ";
  624. $this->errors = Array ();
  628. foreach ($params as $key = = $value) {
  630. $this $key = $value;
  632. }
  634. }
  638. /***************************************
  640. * * Connect function. This would, when called
  642. * * Statically, create a new SMTP object,
  644. * * Call the Connect function (ie this function)
  646. * * and return it. When not called statically,
  648. * * It would connect to the server and send
  650. * * The HELO command.
  652. ***************************************/
  656. Function Connect ($params = Array ()) {
  660. if (!isset ($this->status)) {
  662. $obj = new SMTP ($PARAMS);
  664. if ($obj->connect ()) {
  666. $obj->status = smtp_status_connected;
  668. }
  672. return $obj;
  676. }else{
  678. $this->connection = Fsockopen ($this->host, $this->port, $errno, $errstr, $this->timeout);
  680. Socket_set_timeout ($this->connection, 0, 250000);
  684. $greeting = $this->get_data ();
  686. if (Is_resource ($this->connection)) {
  688. Return $this->auth? $this->ehlo (): $this->helo ();
  690. }else{
  692. $this->errors[] = ' Failed to connect to server: '. $errstr;
  694. return FALSE;
  696. }
  698. }
  700. }
  704. /***************************************
  706. * * Function which handles sending the mail.
  708. * * Arguments:
  710. * * $params-optional assoc Array of parameters.
  712. * * Can contain:
  714. * * Recipients-indexed array of recipients
  716. * * From-the from address. (used in MAIL from,
  718. * * This'll be the return path
  720. * * headers-indexed array of headers, one header per array entry
  722. * * Body-the body of the email
  724. * * It can also contain any of the parameters from the Connect ()
  726. * * function
  728. ***************************************/
  732. function Send ($params = Array ()) {
  736. foreach ($params as $key = = $value) {
  738. $this->set ($key, $value);
  740. }
  744. if ($this->is_connected ()) {
  748. Do we auth or not? Note the distinction between the auth variable and auth () function
  750. if ($this->auth) {
  752. if (! $this->auth ())
  754. return FALSE;
  756. }
  760. $this->mail ($this->from);
  762. if (Is_array ($this->recipients))
  764. foreach ($this->recipients as $value)
  766. $this->rcpt ($value);
  768. Else
  770. $this->rcpt ($this->recipients);
  774. if (! $this->data ())
  776. return FALSE;
  780. Transparency
  782. $headers = Str_replace (CRLF. '. ', CRLF. '.. ', Trim (implode (CRLF, $this->headers));
  784. $body = Str_replace (CRLF. '. ', CRLF. '. ', $this->body);
  786. $body = $body [0] = = '. '? '.'. $body: $body;
  790. $this->send_data ($headers);
  792. $this->send_data (");
  794. $this->send_data ($body);
  796. $this->send_data ('. ');
  800. Return (substr (Trim ($this->get_data ()), 0, 3) = = = ' 250 ');
  802. }else{
  804. $this->errors[] = ' not connected! ';
  806. return FALSE;
  808. }
  810. }
  814. /***************************************
  816. * * Function to implement HELO cmd
  818. ***************************************/
  822. function Helo () {
  824. if (Is_resource ($this->connection)
  826. and $this->send_data (' HELO '. $this->helo)
  828. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 250 ') {
  832. return TRUE;
  836. }else{
  838. $this->errors[] = ' HELO command failed, output: '. Trim (substr (Trim ($error), 3));
  840. return FALSE;
  842. }
  844. }
  848. /***************************************
  850. * * Function to implement EHLO cmd
  852. ***************************************/
  856. function Ehlo () {
  858. if (Is_resource ($this->connection)
  860. and $this->send_data (' EHLO '. $this->helo)
  862. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 250 ') {
  866. return TRUE;
  870. }else{
  872. $this->errors[] = ' EHLO command failed, output: '. Trim (substr (Trim ($error), 3));
  874. return FALSE;
  876. }
  878. }
  882. /***************************************
  884. * * Function to implement AUTH cmd
  886. ***************************************/
  890. function auth () {
  892. if (Is_resource ($this->connection)
  894. and $this->send_data (' AUTH LOGIN ')
  896. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 334 '
  898. and $this->send_data (Base64_encode ($this->user))//Send username
  900. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 334 '
  902. and $this->send_data (Base64_encode ($this->pass))//Send password
  904. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 235 ') {
  908. return TRUE;
  912. }else{
  914. $this->errors[] = ' AUTH command failed: '. Trim (substr (Trim ($error), 3));
  916. return FALSE;
  918. }
  920. }
  924. /***************************************
  926. * * Function that handles the MAIL From:cmd
  928. ***************************************/
  932. function mail ($from) {
  936. if ($this->is_connected ()
  938. and $this->send_data (' MAIL from:< '. $from. ' > ')
  940. and substr (Trim ($this->get_data ()), 0, 2) = = = ' 250 ') {
  944. return TRUE;
  948. }else
  950. return FALSE;
  952. }
  956. /***************************************
  958. * * Function that handles the RCPT To:cmd
  960. ***************************************/
  964. Function Rcpt ($to) {
  968. if ($this->is_connected ()
  970. and $this->send_data (' RCPT to:< '. $to. ' > ')
  972. and substr (Trim ($error = $this->get_data ()), 0, 2) = = = ' 25 ') {
  976. return TRUE;
  980. }else{
  982. $this->errors[] = Trim (substr (Trim ($error), 3));
  984. return FALSE;
  986. }
  988. }
  992. /***************************************
  994. * * Function that sends the DATA CMD
  996. ***************************************/
  1000. function data () {
  1004. if ($this->is_connected ()
  1006. and $this->send_data (' data ')
  1008. and substr (Trim ($error = $this->get_data ()), 0, 3) = = = ' 354 ') {
  1012. return TRUE;
  1016. }else{
  1018. $this->errors[] = Trim (substr (Trim ($error), 3));
  1020. return FALSE;
  1022. }
  1024. }
  1028. /***************************************
  1030. * * Function to determine if the This object
  1032. * * is connected to the server or not.
  1034. ***************************************/
  1038. function is_connected () {
  1042. Return (Is_resource ($this->connection) and ($this->status = = = smtp_status_connected));
  1044. }
  1048. /***************************************
  1050. * * Function to send a bit of data
  1052. ***************************************/
  1056. function Send_data ($data) {
  1060. if (Is_resource ($this->connection)) {
  1062. Return fwrite ($this->connection, $data. CRLF, strlen ($data) +2);
  1064. }else
  1066. return FALSE;
  1068. }
  1072. /***************************************
  1074. * * Function to get data.
  1076. ***************************************/
  1080. function &get_data () {
  1084. $return = ";
  1086. $line = ";
  1090. if (Is_resource ($this->connection)) {
  1092. while (Strpos ($return, CRLF) = = = FALSE OR substr ($line, 3, 1)!== ") {
  1094. $line = fgets ($this->connection, 512);
  1096. $return. = $line;
  1098. }
  1100. return $return;
  1104. }else
  1106. return FALSE;
  1108. }
  1112. /***************************************
  1114. * * Sets a variable
  1116. ***************************************/
  1120. function set ($var, $value) {
  1124. $this $var = $value;
  1126. return TRUE;
  1128. }
  1132. }//End of Class
  1134. ?>
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