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improved captcha, rename files
git-svn-id: https://webim.svn.sourceforge.net/svnroot/webim/trunk@588 c66351dc-e62f-0410-b875-e3a5c0b9693f
This commit is contained in:
Evgeny Gryaznov
parent
ae2300b312
commit
00d895e41c
23
src/messenger/webim/captcha.php
Normal file
23
src/messenger/webim/captcha.php
Normal file
@ -0,0 +1,23 @@
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<?php
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/*
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* This file is part of Mibew Messenger project.
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*
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* Copyright (c) 2005-2009 Mibew Messenger Community
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Evgeny Gryaznov - initial API and implementation
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*/
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require_once('libs/common.php');
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require_once('libs/captcha.php');
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$captchaCode = gen_captcha();
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$_SESSION["captcha"] = $captchaCode;
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draw_captcha($captchaCode);
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exit;
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?>
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@ -59,6 +59,7 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
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setup_logo();
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$page['formname'] = topage(getgetparam('name'));
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$page['formemail'] = topage($email);
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$page['showcaptcha'] = $settings["enablecaptcha"] == "1" ? "1" : "";
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$page['info'] = topage($info);
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expand("styles", getchatstyle(), "leavemessage.tpl");
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exit;
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@ -35,23 +35,28 @@ if( !$email ) {
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$errors[] = wrong_field("form.field.email");
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}
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}
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if ( ($_REQUEST["txtCaptcha"] == $_SESSION["security_code"]) &&
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(!empty($_REQUEST["txtCaptcha"]) && !empty($_SESSION["security_code"])) ) {
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} else {
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$errors[] = no_field('errors.captcha');
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loadsettings();
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if($settings["enablecaptcha"] == "1") {
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$captcha = getparam('captcha');
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$original = $_SESSION['captcha'];
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if(empty($original) || empty($captcha) || $captcha != $original) {
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$errors[] = getlocal('errors.captcha');
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}
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unset($_SESSION['captcha']);
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}
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if( count($errors) > 0 ) {
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$page['formname'] = topage($visitor_name);
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$page['formemail'] = $email;
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$page['formmessage'] = topage($message);
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$page['showcaptcha'] = $settings["enablecaptcha"] == "1" ? "1" : "";
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$page['info'] = topage($info);
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setup_logo();
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expand("styles", getchatstyle(), "leavemessage.tpl");
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exit;
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}
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loadsettings();
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$message_locale = $settings['left_messages_locale'];
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if(!locale_exists($message_locale)) {
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$message_locale = $home_locale;
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39
src/messenger/webim/create_image.php → src/messenger/webim/libs/captcha.php
Executable file → Normal file
39
src/messenger/webim/create_image.php → src/messenger/webim/libs/captcha.php
Executable file → Normal file
@ -1,6 +1,7 @@
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<?
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/*
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This is PHP file that generates CAPTCHA image for the How to Create CAPTCHA Protection using PHP and AJAX Tutorial
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This is PHP file that generates CAPTCHA image for the How to Create CAPTCHA
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Protection using PHP and AJAX Tutorial
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You may use this code in your own projects as long as this
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copyright is left in place. All code is provided AS-IS.
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@ -11,48 +12,41 @@
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For the rest of the code visit http://www.WebCheatSheet.com
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Copyright 2006 WebCheatSheet.com
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*/
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//Start the session so we can store what the security code actually is
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session_start();
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function gen_captcha() {
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$md5_hash = md5(rand(0,9999));
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return substr($md5_hash, 15, 5);
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}
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//Send a generated image to the browser
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create_image();
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exit();
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function create_image()
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{
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//Let's generate a totally random string using md5
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$md5_hash = md5(rand(0,999));
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//We don't need a 32 character long string so we trim it down to 5
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$security_code = substr($md5_hash, 15, 5);
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//Set the session to store the security code
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$_SESSION["security_code"] = $security_code;
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function draw_captcha($security_code) {
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//Set the image width and height
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$width = 100;
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$height = 20;
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$height = 25;
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//Create the image resource
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$image = ImageCreate($width, $height);
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imageantialias($image, true);
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//We are making three colors, white, black and gray
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$white = ImageColorAllocate($image, 255, 255, 255);
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$black = ImageColorAllocate($image, 0, 0, 0);
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$black = ImageColorAllocate($image, 15, 50, 15);
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$grey = ImageColorAllocate($image, 204, 204, 204);
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$ellipsec = ImageColorAllocate($image, 0, 100, 60);
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//Make the background black
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ImageFill($image, 0, 0, $black);
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imagefilledellipse($image, 56,15,30,17, $ellipsec);
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//Add randomly generated string in white to the image
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ImageString($image, 3, 30, 3, $security_code, $white);
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ImageString($image, 5, 30, 4, $security_code, $white);
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//Throw in some lines to make it a little bit harder for any bots to break
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ImageRectangle($image,0,0,$width-1,$height-1,$grey);
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imageline($image, 0, $height/2, $width, $height/2, $grey);
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imageline($image, $width/2, 0, $width/2, $height, $grey);
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imageline($image, 0, $height/2+3, $width, $height/2+5, $grey);
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imageline($image, $width/2-14, 0, $width/2+7, $height, $grey);
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//Tell the browser what kind of file is come in
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header("Content-Type: image/jpeg");
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@ -63,4 +57,5 @@ function create_image()
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//Free up resources
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ImageDestroy($image);
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}
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?>
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@ -574,6 +574,7 @@ $settings = array(
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'surveyaskgroup' => '1',
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'surveyaskmessage' => '0',
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'enablepopupnotification' => '0',
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'enablecaptcha' => '1',
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'online_timeout' => 30, /* Timeout (in seconds) when online operator becomes offline */
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'updatefrequency_operator' => 2,
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@ -103,6 +103,7 @@ content.logoff=Log out of the system.
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data.saved=Changes saved
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demo.chat.question=There are so many browsers to choose from. Which one(s) do you recommend?
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demo.chat.welcome=Hello, how may I help you?
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errors.captcha=The letters you typed don't match the letters that were shown in the picture.
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errors.failed.uploading.file=Error uploading file "{0}": {1}.
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errors.file.move.error=Error moving file
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errors.file.size.exceeded=Uploaded file size exceeded
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@ -113,7 +114,6 @@ errors.prefix=<li class="error">
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errors.required=Please fill "{0}".
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errors.suffix=</li>
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errors.wrong_field=Please fill "{0}" correctly.
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errors.captcha=Captcha is incorrect!
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features.saved=Features activated
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form.field.address.description=Ex: 12.23.45.123 or todo.com
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form.field.address=Visitor's Address
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@ -103,6 +103,7 @@ content.logoff=
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data.saved=Изменения сохранены
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demo.chat.question=Посоветуйте мне, пожалуйста, хороший браузер?
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demo.chat.welcome=Здравствуйте! Чем я могу Вам помочь?
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errors.captcha=Введенные символы не соответствуют изображению.
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errors.failed.uploading.file=Ошибка выгрузки файла "{0}": {1}.
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errors.file.move.error=Ошибка копирования файла
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errors.file.size.exceeded=Превышен допустимый размер файла
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@ -113,21 +113,16 @@ ${endif:errors}
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</tr>
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<tr>
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<td class="text">${msg:form.field.message}:</td>
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<td height="120" valign="top">
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<textarea name="message" tabindex="0" cols="40" rows="8" style="border:1px solid #878787; overflow:auto">${form:message}</textarea>
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</tr>
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<td>
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<img id="imgCaptcha" src="create_image.php" />
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</td><td>
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<input id="txtCaptcha" type="text" name="txtCaptcha" value="" maxlength="10" size="32" />
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</td>
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</tr>
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</tr>
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<td valign="top">
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<textarea name="message" tabindex="0" cols="40" rows="6" style="border:1px solid #878787; overflow:auto">${form:message}</textarea>
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</td>
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</tr>
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${if:showcaptcha}
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<tr>
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<td class="text"><img src="captcha.php"/></td>
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<td><input type="text" name="captcha" size="50" maxlength="15" value="" class="username"/></td>
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</tr>
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${endif:showcaptcha}
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<tr>
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<td colspan="2" align="right">
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<table cellspacing="0" cellpadding="0" border="0">
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@ -74,20 +74,22 @@ ${endif:errors}
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<td width="20"></td>
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<td><input type="text" name="name" size="50" value="${form:name}" class="username"/></td>
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</tr>
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<tr><td height="7" colspan="3"></td></tr>
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<tr>
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<td class="text">${msg:form.field.message}:</td>
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<td width="20"></td>
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<td height="120" valign="top"><table cellspacing="0" cellpadding="0" border="0"><tr><td colspan="3" bgcolor="#A1A1A1"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td></tr><tr><td bgcolor="#A1A1A1"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td><td width="100%" height="100%" bgcolor="#FFFFFF" valign="top">
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<textarea rows="8" cols="45" name="message" class="message" tabindex="0" style="width:90%;">${form:message}</textarea>
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</td><td bgcolor="#A1A1A1"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td></tr><tr><td colspan="3" bgcolor="#A1A1A1"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td></tr></table></td>
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</tr>
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${if:showcaptcha}
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<tr><td height="7" colspan="3"></td></tr>
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<tr>
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<td><img id="imgCaptcha" src="create_image.php" /></td>
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<td><input id="txtCaptcha" type="text" aligh="right" name="txtCaptcha"" /></td>
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<td class="text"><img src="captcha.php"/></td>
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<td width="20"></td>
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<td><input type="text" name="captcha" size="50" maxlength="15" value="" class="username"/></td>
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</tr>
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${endif:showcaptcha}
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</table></td><td bgcolor="#E8A400"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td></tr><tr><td><img class="tplimage icrnlb" src="${webimroot}/images/free.gif" border="0" alt=""/></td><td style="background-image: url(${tplroot}/images/winbg.gif)" class="bgcy"><img src="${webimroot}/images/free.gif" width="1" height="1" border="0" alt="" /></td><td><img class="tplimage icrnrb" src="${webimroot}/images/free.gif" border="0" alt=""/></td></tr></table>
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</td>
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@ -48,10 +48,12 @@
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<td class="text" valign="top">${msg:form.field.message}:</td>
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<td><textarea name="message" cols="45" rows="8" class="field" tabindex="0">${form:message}</textarea></td>
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</tr>
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${if:showcaptcha}
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<tr>
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<td><img id="imgCaptcha" src="create_image.php" /></td>
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<td><input id="txtCaptcha" type="text" aligh="right" name="txtCaptcha"" /></td>
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<td class="text"><img src="captcha.php"/></td>
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<td><input type="text" name="captcha" size="50" maxlength="15" value="" class="username"/></td>
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</tr>
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${endif:showcaptcha}
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</table>
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</td>
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</tr>
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