| 1 | NAME: |
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| 2 | |
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| 3 | Securimage - A PHP class for creating captcha images and audio with many options. |
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| 4 | |
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| 5 | VERSION: 3.5.1 |
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| 6 | |
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| 7 | AUTHOR: |
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| 8 | |
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| 9 | Drew Phillips <drew@drew-phillips.com> |
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| 10 | |
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| 11 | DOWNLOAD: |
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| 12 | |
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| 13 | The latest version can always be |
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| 14 | found at http://www.phpcaptcha.org |
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| 15 | |
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| 16 | DOCUMENTATION: |
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| 17 | |
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| 18 | Online documentation of the class, methods, and variables can |
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| 19 | be found at http://www.phpcaptcha.org/Securimage_Docs/ |
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| 20 | |
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| 21 | REQUIREMENTS: |
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| 22 | PHP 5.2 or greater |
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| 23 | GD 2.0 |
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| 24 | FreeType (Required, for TTF fonts) |
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| 25 | PDO (if using Sqlite, MySQL, or PostgreSQL) |
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| 26 | |
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| 27 | SYNOPSIS: |
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| 28 | |
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| 29 | require_once 'securimage.php'; |
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| 30 | |
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| 31 | $image = new Securimage(); |
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| 32 | |
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| 33 | $image->show(); |
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| 34 | |
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| 35 | // Code Validation |
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| 36 | |
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| 37 | $image = new Securimage(); |
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| 38 | if ($image->check($_POST['code']) == true) { |
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| 39 | echo "Correct!"; |
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| 40 | } else { |
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| 41 | echo "Sorry, wrong code."; |
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| 42 | } |
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| 43 | |
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| 44 | DESCRIPTION: |
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| 45 | |
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| 46 | What is Securimage? |
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| 47 | |
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| 48 | Securimage is a PHP class that is used to generate and validate CAPTCHA images. |
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| 49 | The classes uses an existing PHP session or creates its own if none is found to store the |
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| 50 | CAPTCHA code. Variables within the class are used to control the style and display of the image. |
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| 51 | The class supports TTF fonts and effects for strengthening the security of the image. |
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| 52 | An audible code can also be streamed to the browser for visually impared users. |
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| 53 | |
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| 54 | |
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| 55 | COPYRIGHT: |
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| 56 | Copyright (c) 2013 Drew Phillips |
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| 57 | All rights reserved. |
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| 58 | |
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| 59 | Redistribution and use in source and binary forms, with or without modification, |
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| 60 | are permitted provided that the following conditions are met: |
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| 61 | |
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| 62 | - Redistributions of source code must retain the above copyright notice, |
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| 63 | this list of conditions and the following disclaimer. |
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| 64 | - Redistributions in binary form must reproduce the above copyright notice, |
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| 65 | this list of conditions and the following disclaimer in the documentation |
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| 66 | and/or other materials provided with the distribution. |
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| 67 | |
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| 68 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 69 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 70 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 71 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 72 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 73 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 74 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 75 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 76 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 77 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 78 | POSSIBILITY OF SUCH DAMAGE. |
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| 79 | |
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| 80 | ----------------------------------------------------------------------------- |
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| 81 | The WavFile.php class used in Securimage by Drew Phillips and Paul Voegler is |
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| 82 | used under the BSD License. See WavFile.php for details. |
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| 83 | Many thanks to Paul Voegler (http://www.voegler.eu/) for contributing to |
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| 84 | Securimage. |
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| 85 | |
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| 86 | ----------------------------------------------------------------------------- |
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| 87 | Flash code created for Securimage by Age Bosma & Mario Romero (animario@hotmail.com) |
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| 88 | Many thanks for releasing this to the project! |
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| 89 | |
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| 90 | ------------------------------------------------------------------------------ |
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| 91 | Portions of Securimage contain code from Han-Kwang Nienhuys' PHP captcha |
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| 92 | |
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| 93 | Han-Kwang Nienhuys' PHP captcha |
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| 94 | Copyright June 2007 |
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| 95 | |
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| 96 | This copyright message and attribution must be preserved upon |
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| 97 | modification. Redistribution under other licenses is expressly allowed. |
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| 98 | Other licenses include GPL 2 or higher, BSD, and non-free licenses. |
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| 99 | The original, unrestricted version can be obtained from |
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| 100 | http://www.lagom.nl/linux/hkcaptcha/ |
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| 101 | |
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| 102 | ------------------------------------------------------------------------------- |
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| 103 | AHGBold.ttf (AlteHaasGroteskBold.ttf) font was created by Yann Le Coroller and is distributed as freeware |
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| 104 | |
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| 105 | Alte Haas Grotesk is a typeface that look like an helvetica printed in an old Muller-Brockmann Book. |
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| 106 | |
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| 107 | These fonts are freeware and can be distributed as long as they are |
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| 108 | together with this text file. |
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| 109 | |
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| 110 | I would appreciate very much to see what you have done with it anyway. |
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| 111 | |
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| 112 | yann le coroller |
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| 113 | www.yannlecoroller.com |
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| 114 | yann@lecoroller.com |
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| 115 | |
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| 116 | ------------------------------------------------------------------------------- |
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| 117 | Portions of securimage_play.swf use the PopForge flash library for playing audio |
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| 118 | |
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| 119 | /** |
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| 120 | * Copyright(C) 2007 Andre Michelle and Joa Ebert |
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| 121 | * |
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| 122 | * PopForge is an ActionScript3 code sandbox developed by Andre Michelle and Joa Ebert |
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| 123 | * http://sandbox.popforge.de |
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| 124 | * |
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| 125 | * PopforgeAS3Audio is free software; you can redistribute it and/or modify |
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| 126 | * it under the terms of the GNU General Public License as published by |
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| 127 | * the Free Software Foundation; either version 3 of the License, or |
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| 128 | * (at your option) any later version. |
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| 129 | * |
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| 130 | * PopforgeAS3Audio is distributed in the hope that it will be useful, |
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| 131 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 132 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 133 | * GNU General Public License for more details. |
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| 134 | * |
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| 135 | * You should have received a copy of the GNU General Public License |
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| 136 | * along with this program. If not, see <http://www.gnu.org/licenses/> |
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| 137 | */ |
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| 138 | |
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| 139 | ------------------------------------------------------------------------------- |
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| 140 | Some graphics used are from the Humility Icon Pack by WorLord |
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| 141 | |
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| 142 | License: GNU/GPL (http://findicons.com/pack/1723/humility) |
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| 143 | http://findicons.com/icon/192558/gnome_volume_control |
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| 144 | http://findicons.com/icon/192562/gtk_refresh |
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| 145 | |
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| 146 | ------------------------------------------------------------------------------- |
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| 147 | Background noise sound files are from SoundJay.com |
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| 148 | http://www.soundjay.com/tos.html |
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| 149 | |
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| 150 | All sound effects on this website are created by us and protected under |
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| 151 | the copyright laws, international treaty provisions and other applicable |
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| 152 | laws. By downloading sounds, music or any material from this site implies |
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| 153 | that you have read and accepted these terms and conditions: |
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| 154 | |
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| 155 | Sound Effects |
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| 156 | You are allowed to use the sounds free of charge and royalty free in your |
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| 157 | projects (such as films, videos, games, presentations, animations, stage |
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| 158 | plays, radio plays, audio books, apps) be it for commercial or |
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| 159 | non-commercial purposes. |
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| 160 | |
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| 161 | But you are NOT allowed to |
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| 162 | - post the sounds (as sound effects or ringtones) on any website for |
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| 163 | others to download, copy or use |
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| 164 | - use them as a raw material to create sound effects or ringtones that |
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| 165 | you will sell, distribute or offer for downloading |
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| 166 | - sell, re-sell, license or re-license the sounds (as individual sound |
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| 167 | effects or as a sound effects library) to anyone else |
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| 168 | - claim the sounds as yours |
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| 169 | - link directly to individual sound files |
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| 170 | - distribute the sounds in apps or computer programs that are clearly |
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| 171 | sound related in nature (such as sound machine, sound effect |
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| 172 | generator, ringtone maker, funny sounds app, sound therapy app, etc.) |
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| 173 | or in apps or computer programs that use the sounds as the program's |
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| 174 | sound resource library for other people's use (such as animation |
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| 175 | creator, digital book creator, song maker software, etc.). If you are |
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| 176 | developing such computer programs, contact us for licensing options. |
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| 177 | |
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| 178 | If you use the sound effects, please consider giving us a credit and |
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| 179 | linking back to us but it's not required. |
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| 180 | |
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| 181 | |
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