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Stefan Brannfjell
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captcha/README.txt
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captcha/README.txt
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NAME:
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Securimage - A PHP class for creating captcha images and audio with many options.
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VERSION: 3.2RC2
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AUTHOR:
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Drew Phillips <drew@drew-phillips.com>
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DOWNLOAD:
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The latest version can always be
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found at http://www.phpcaptcha.org
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DOCUMENTATION:
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Online documentation of the class, methods, and variables can
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be found at http://www.phpcaptcha.org/Securimage_Docs/
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REQUIREMENTS:
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PHP 5.2 or greater
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GD 2.0
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FreeType (Required, for TTF fonts)
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SYNOPSIS:
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require_once 'securimage.php';
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$image = new Securimage();
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$image->show();
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// Code Validation
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$image = new Securimage();
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if ($image->check($_POST['code']) == true) {
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echo "Correct!";
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} else {
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echo "Sorry, wrong code.";
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}
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DESCRIPTION:
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What is Securimage?
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Securimage is a PHP class that is used to generate and validate CAPTCHA images.
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The classes uses an existing PHP session or creates its own if none is found to store the
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CAPTCHA code. Variables within the class are used to control the style and display of the image.
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The class supports TTF fonts and effects for strengthening the security of the image.
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An audible code can also be streamed to the browser for visually impared users.
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COPYRIGHT:
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Copyright (c) 2012 Drew Phillips
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-----------------------------------------------------------------------------
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The WavFile.php class used in Securimage by Drew Phillips and Paul Voegler is
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used under the BSD License. See WavFile.php for details.
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Many thanks to Paul Voegler (http://voegler.eu/audio/pub) for contributing to
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Securimage.
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-----------------------------------------------------------------------------
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Flash code created for Securimage by Age Bosma & Mario Romero (animario@hotmail.com)
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Many thanks for releasing this to the project!
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------------------------------------------------------------------------------
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Portions of Securimage contain code from Han-Kwang Nienhuys' PHP captcha
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Han-Kwang Nienhuys' PHP captcha
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Copyright June 2007
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This copyright message and attribution must be preserved upon
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modification. Redistribution under other licenses is expressly allowed.
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Other licenses include GPL 2 or higher, BSD, and non-free licenses.
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The original, unrestricted version can be obtained from
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http://www.lagom.nl/linux/hkcaptcha/
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-------------------------------------------------------------------------------
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AHGBold.ttf (AlteHaasGroteskBold.ttf) font was created by Yann Le Coroller and is distributed as freeware
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Alte Haas Grotesk is a typeface that look like an helvetica printed in an old Muller-Brockmann Book.
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These fonts are freeware and can be distributed as long as they are
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together with this text file.
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I would appreciate very much to see what you have done with it anyway.
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yann le coroller
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www.yannlecoroller.com
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yann@lecoroller.com
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-------------------------------------------------------------------------------
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Portions of securimage_play.swf use the PopForge flash library for playing audio
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/**
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* Copyright(C) 2007 Andre Michelle and Joa Ebert
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*
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* PopForge is an ActionScript3 code sandbox developed by Andre Michelle and Joa Ebert
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* http://sandbox.popforge.de
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*
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* PopforgeAS3Audio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* PopforgeAS3Audio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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-------------------------------------------------------------------------------
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Some graphics used are from the Humility Icon Pack by WorLord
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License: GNU/GPL (http://findicons.com/pack/1723/humility)
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http://findicons.com/icon/192558/gnome_volume_control
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http://findicons.com/icon/192562/gtk_refresh
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-------------------------------------------------------------------------------
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Background noise sound files are from SoundJay.com
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http://www.soundjay.com/tos.html
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All sound effects on this website are created by us and protected under
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the copyright laws, international treaty provisions and other applicable
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laws. By downloading sounds, music or any material from this site implies
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that you have read and accepted these terms and conditions:
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Sound Effects
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You are allowed to use the sounds free of charge and royalty free in your
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projects (such as films, videos, games, presentations, animations, stage
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plays, radio plays, audio books, apps) be it for commercial or
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non-commercial purposes.
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But you are NOT allowed to
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- post the sounds (as sound effects or ringtones) on any website for
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others to download, copy or use
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- use them as a raw material to create sound effects or ringtones that
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you will sell, distribute or offer for downloading
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- sell, re-sell, license or re-license the sounds (as individual sound
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effects or as a sound effects library) to anyone else
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- claim the sounds as yours
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- link directly to individual sound files
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- distribute the sounds in apps or computer programs that are clearly
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sound related in nature (such as sound machine, sound effect
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generator, ringtone maker, funny sounds app, sound therapy app, etc.)
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or in apps or computer programs that use the sounds as the program's
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sound resource library for other people's use (such as animation
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creator, digital book creator, song maker software, etc.). If you are
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developing such computer programs, contact us for licensing options.
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If you use the sound effects, please consider giving us a credit and
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linking back to us but it's not required.
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