Server IP : 108.163.255.210 / Your IP : 3.15.10.104 Web Server : Apache System : Linux blossom.urlnameserver.com 3.10.0-1160.80.1.el7.x86_64 #1 SMP Tue Nov 8 15:48:59 UTC 2022 x86_64 User : ( 1172) PHP Version : 7.2.34 Disable Function : eval,escapeshellarg,proc_close,proc_get_status,proc_nice,proc_open,symlink,system,pcntl_exec,getrusage,chown,chgp,closelog,openlog,syslog,define_syslog_variables,php_ini_loaded_file,getservbyname,getservbyport,posix_getgid,posix_getgrgid,proc_terminate,pfsockopen,apache_child_terminate,posix_mkfifo,posix_setpgid,posix_setuid,hypot,pg_host,pos,posix_access,posix_getcwd,posix_getservbyname,myshellexec,getpid,posix_getsid,posix_isatty,posix_kill,posix_mknod,posix_setgid,posix_setsid,posix_setuid,posix_times,posix_uname,ps_fill,posix_getpwuid,global,ini_restore,zip_open,zip_read,rar_open,bzopen,bzread,bzwrite,apache_get_modules,apache_get_version,phpversionphpinfo,php_ini_scanned_files,get_current_user,disk_total_space,diskfreespace,leak,imap_list,hypo,filedump,safe_mode,getmygid,apache_getenv,apache_setenv,bzread,bzwrite,bzopen,phpini,higlight_file,dos_conv,get_cwd,er_log,cmd,e_name,vdir,get_dir,only_read,ftok,ftpexec,posix_getpwnam,mysql_list_dbs,disk_free_space,session_save_path,confirm_phpdoc_compiled,zip_entry_rea,php_u,psockopen,crack_opendict,crack_getlastmessage,crack_closedict,crack_check,fpassthru,posix_get_last_error,posix_getlogin,posix_getgroups,posix_strerror,posix_getrlimit,posix_getpgrp,posix_getgrnam,pos,dl MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /home/unilinki/www/Development/ |
Upload File : |
<?php //include_once "config/error.php"; session_save_path('/home/unilinki/tmp'); ini_set('session.gc_probability', 1); session_start(); /* * File: CaptchaSecurityImages.php * Author: Simon Jarvis * Copyright: 2006 Simon Jarvis * Date: 03/08/06 * Updated: 07/02/07 * Requirements: PHP 4/5 with GD and FreeType libraries * Link: http://www.white-hat-web-design.co.uk/articles/php-captcha.php * * 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. * * 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: * http://www.gnu.org/licenses/gpl.html * */ class CaptchaSecurityImages { var $font = 'monofont.ttf'; function generateCode($characters) { /* list all possible characters, similar looking characters and vowels have been removed */ $possible = '23456789bcdfghjkmnpqrstvwxyz'; $code = ''; $i = 0; while ($i < $characters) { $code .= substr($possible, mt_rand(0, strlen($possible)-1), 1); $i++; } return $code; } function CaptchaSecurityImages($width='120',$height='40',$characters='6') { $code = $this->generateCode($characters); /* font size will be 75% of the image height */ $font_size = $height * 0.75; $image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream'); /* set the colours */ $background_color = imagecolorallocate($image, 255, 255, 255); $text_color = imagecolorallocate($image, 0, 0, 0); $noise_color = imagecolorallocate($image, 195, 195, 195); /* generate random dots in background */ for( $i=0; $i<($width*$height)/3; $i++ ) { imagefilledellipse($image, mt_rand(0,$width), mt_rand(0,$height), 1, 1, $noise_color); } /* generate random lines in background */ for( $i=0; $i<($width*$height)/150; $i++ ) { imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color); } /* create textbox and add text */ $textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function'); $x = ($width - $textbox[4])/2; $y = ($height - $textbox[5])/2; imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font , $code) or die('Error in imagettftext function'); /* output captcha image to browser */ header('Content-Type: image/jpeg'); imagejpeg($image); imagedestroy($image); $_SESSION['security_code'] = $code; } } $width = isset($_GET['width']) ? $_GET['width'] : '120'; $height = isset($_GET['height']) ? $_GET['height'] : '40'; $characters = isset($_GET['characters']) && $_GET['characters'] > 1 ? $_GET['characters'] : '6'; $captcha = new CaptchaSecurityImages($width,$height,$characters); ?>