contactsformcaptcha - Version 1.0.0

Version Notes

"Contacts Form Captcha" extension add in easy way the captcha to "Contact Us" form.

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Release Info

Developer Magento Core Team
Extension contactsformcaptcha
Version 1.0.0
Comparing to
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Version 1.0.0

Files changed (9) hide show
  1. app/code/community/OlegKoval/ContactsFormCaptcha/controllers/IndexController.php +87 -0
  2. app/code/community/OlegKoval/ContactsFormCaptcha/etc/config.xml +41 -0
  3. app/code/community/OlegKoval/ContactsFormCaptcha/etc/system.xml +57 -0
  4. app/design/frontend/base/default/layout/contactsformcaptcha.xml +26 -0
  5. app/design/frontend/base/default/template/contactsformcaptcha/form.phtml +78 -0
  6. app/etc/modules/OlegKoval_ContactsFormCaptcha.xml +19 -0
  7. app/locale/en_US/OlegKoval_ContactsFormCaptcha.csv +6 -0
  8. lib/reCaptcha/recaptchalib.php +276 -0
  9. package.xml +20 -0
app/code/community/OlegKoval/ContactsFormCaptcha/controllers/IndexController.php ADDED
@@ -0,0 +1,87 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?php
2
+ /**
3
+ * Contacts Form Captcha index controller
4
+ *
5
+ * @category OlegKoval
6
+ * @package OlegKoval_ContactsFormCaptcha
7
+ * @copyright Copyright (c) 2012 Oleg Koval
8
+ * @author Oleg Koval <oleh.koval@gmail.com>
9
+ */
10
+ //include controller to override it
11
+ require_once(Mage::getBaseDir('app') . DS .'code'. DS .'core'. DS .'Mage'. DS .'Contacts'. DS .'controllers'. DS .'IndexController.php');
12
+
13
+ class OlegKoval_ContactsFormCaptcha_IndexController extends Mage_Contacts_IndexController {
14
+ const XML_PATH_CFC_ENABLED = 'contacts/olegkoval_contactsformcaptcha/enabled';
15
+ const XML_PATH_CFC_PUBLIC_KEY = 'contacts/olegkoval_contactsformcaptcha/public_key';
16
+ const XML_PATH_CFC_PRIVATE_KEY = 'contacts/olegkoval_contactsformcaptcha/private_key';
17
+
18
+ /**
19
+ * Check if "Contacts Form Captcha" is enabled
20
+ */
21
+ public function preDispatch() {
22
+ parent::preDispatch();
23
+ }
24
+
25
+ /**
26
+ * Method which handle action of displaying contact form
27
+ */
28
+ public function indexAction() {
29
+ $this->loadLayout();
30
+
31
+ if (Mage::getStoreConfigFlag(self::XML_PATH_CFC_ENABLED)) {
32
+ //include reCaptcha library
33
+ require_once(Mage::getBaseDir('lib') . DS .'reCaptcha'. DS .'recaptchalib.php');
34
+
35
+ //create captcha html-code
36
+ $publickey = Mage::getStoreConfig(self::XML_PATH_CFC_PUBLIC_KEY);
37
+ $captcha_code = recaptcha_get_html($publickey);
38
+
39
+ $this->getLayout()->getBlock('contactForm')->setTemplate('contactsformcaptcha/form.phtml')->setFormAction(Mage::getUrl('*/*/post'))->setCaptchaCode($captcha_code);
40
+ }
41
+ else {
42
+ $this->getLayout()->getBlock('contactForm')->setFormAction(Mage::getUrl('*/*/post'));
43
+ }
44
+
45
+ $this->_initLayoutMessages('customer/session');
46
+ $this->_initLayoutMessages('catalog/session');
47
+ $this->renderLayout();
48
+ }
49
+
50
+ /**
51
+ * Handle post request of Contact form
52
+ * @return [type] [description]
53
+ */
54
+ public function postAction() {
55
+ if (Mage::getStoreConfigFlag(self::XML_PATH_CFC_ENABLED)) {
56
+ try {
57
+ $post = $this->getRequest()->getPost();
58
+ if ($post) {
59
+ //include reCaptcha library
60
+ require_once(Mage::getBaseDir('lib') . DS .'reCaptcha'. DS .'recaptchalib.php');
61
+
62
+ //validate captcha
63
+ $privatekey = Mage::getStoreConfig(self::XML_PATH_CFC_PRIVATE_KEY);
64
+ $remote_addr = $this->getRequest()->getServer('REMOTE_ADDR');
65
+ $captcha = recaptcha_check_answer($privatekey, $remote_addr, $post["recaptcha_challenge_field"], $post["recaptcha_response_field"]);
66
+
67
+ if (!$captcha->is_valid) {
68
+ throw new Exception("The reCAPTCHA wasn't entered correctly. Go back and try it again.", 1);
69
+ }
70
+ }
71
+ else {
72
+ throw new Exception('', 1);
73
+ }
74
+ }
75
+ catch (Exception $e) {
76
+ if (strlen($e->getMessage()) > 0) {
77
+ Mage::getSingleton('customer/session')->addError($this->__($e->getMessage()));
78
+ }
79
+ $this->_redirect('*/*/');
80
+ return;
81
+ }
82
+ }
83
+
84
+ //everything is OK - call parent action
85
+ parent::postAction();
86
+ }
87
+ }
app/code/community/OlegKoval/ContactsFormCaptcha/etc/config.xml ADDED
@@ -0,0 +1,41 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?xml version="1.0" encoding="UTF-8"?>
2
+ <!--
3
+ /**
4
+ * Contacts Form Captcha
5
+ *
6
+ * @category OlegKoval
7
+ * @package OlegKoval_ContactsFormCaptcha
8
+ * @copyright Copyright (c) 2012 Oleg Koval
9
+ * @author Oleg Koval <oleh.koval@gmail.com>
10
+ */
11
+ -->
12
+ <config>
13
+ <modules>
14
+ <OlegKoval_ContactsFormCaptcha>
15
+ <version>1.0.0</version>
16
+ <depends>
17
+ <Mage_Contacts/>
18
+ </depends>
19
+ </OlegKoval_ContactsFormCaptcha>
20
+ </modules>
21
+
22
+ <global>
23
+ <blocks>
24
+ <contactsformcaptcha>
25
+ <class>OlegKoval_ContactsFormCaptcha_Block</class>
26
+ </contactsformcaptcha>
27
+ </blocks>
28
+ </global>
29
+
30
+ <frontend>
31
+ <routers>
32
+ <contacts>
33
+ <args>
34
+ <modules>
35
+ <contactsformcaptcha before="Mage_Customer">OlegKoval_ContactsFormCaptcha</contactsformcaptcha>
36
+ </modules>
37
+ </args>
38
+ </contacts>
39
+ </routers>
40
+ </frontend>
41
+ </config>
app/code/community/OlegKoval/ContactsFormCaptcha/etc/system.xml ADDED
@@ -0,0 +1,57 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?xml version="1.0" encoding="UTF-8"?>
2
+ <!--
3
+ /**
4
+ * Contacts Form Captcha
5
+ *
6
+ * @category OlegKoval
7
+ * @package OlegKoval_ContactsFormCaptcha
8
+ * @copyright Copyright (c) 2012 Oleg Koval
9
+ * @author Oleg Koval <oleh.koval@gmail.com>
10
+ */
11
+ -->
12
+ <config>
13
+ <sections>
14
+ <contacts>
15
+ <groups>
16
+ <olegkoval_contactsformcaptcha translate="label">
17
+ <label>Contacts Form Captcha</label>
18
+ <frontend_type>text</frontend_type>
19
+ <sort_order>100</sort_order>
20
+ <show_in_default>1</show_in_default>
21
+ <show_in_website>1</show_in_website>
22
+ <show_in_store>1</show_in_store>
23
+ <fields>
24
+ <enabled translate="label">
25
+ <label>Enable Captcha</label>
26
+ <frontend_type>select</frontend_type>
27
+ <source_model>adminhtml/system_config_source_yesno</source_model>
28
+ <backend_model>contacts/system_config_backend_links</backend_model>
29
+ <sort_order>10</sort_order>
30
+ <show_in_default>1</show_in_default>
31
+ <show_in_website>1</show_in_website>
32
+ <show_in_store>1</show_in_store>
33
+ </enabled>
34
+ <public_key translate="label">
35
+ <label>Public Key</label>
36
+ <comment>You got this from the signup page: https://www.google.com/recaptcha/admin/create</comment>
37
+ <frontend_type>text</frontend_type>
38
+ <sort_order>20</sort_order>
39
+ <show_in_default>1</show_in_default>
40
+ <show_in_website>1</show_in_website>
41
+ <show_in_store>1</show_in_store>
42
+ </public_key>
43
+ <private_key translate="label">
44
+ <label>Private Key</label>
45
+ <comment>You got this from the signup page: https://www.google.com/recaptcha/admin/create</comment>
46
+ <frontend_type>text</frontend_type>
47
+ <sort_order>30</sort_order>
48
+ <show_in_default>1</show_in_default>
49
+ <show_in_website>1</show_in_website>
50
+ <show_in_store>1</show_in_store>
51
+ </private_key>
52
+ </fields>
53
+ </olegkoval_contactsformcaptcha>
54
+ </groups>
55
+ </contacts>
56
+ </sections>
57
+ </config>
app/design/frontend/base/default/layout/contactsformcaptcha.xml ADDED
@@ -0,0 +1,26 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?xml version="1.0" encoding="UTF-8"?>
2
+ <!--
3
+ /**
4
+ * Contacts Form Captcha
5
+ *
6
+ * @category OlegKoval
7
+ * @package OlegKoval_ContactsFormCaptcha
8
+ * @copyright Copyright (c) 2012 Oleg Koval
9
+ * @author Oleg Koval <oleh.koval@gmail.com>
10
+ */
11
+ -->
12
+ <layout version="0.1.0">
13
+ <contactsformcaptcha_index_index translate="label">
14
+ <label>Contact Us Form</label>
15
+ <reference name="head">
16
+ <action method="setTitle" translate="title" module="contacts"><title>Contact Us</title></action>
17
+ </reference>
18
+ <reference name="root">
19
+ <action method="setTemplate"><template>page/2columns-right.phtml</template></action>
20
+ <action method="setHeaderTitle" translate="title" module="contacts"><title>Contact Us</title></action>
21
+ </reference>
22
+ <reference name="content">
23
+ <block type="core/template" name="contactsFormCaptcha" template="contactsformcaptcha/form.phtml"/>
24
+ </reference>
25
+ </contactsformcaptcha_index_index>
26
+ </layout>
app/design/frontend/base/default/template/contactsformcaptcha/form.phtml ADDED
@@ -0,0 +1,78 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?php
2
+ /**
3
+ * Magento
4
+ *
5
+ * NOTICE OF LICENSE
6
+ *
7
+ * This source file is subject to the Academic Free License (AFL 3.0)
8
+ * that is bundled with this package in the file LICENSE_AFL.txt.
9
+ * It is also available through the world-wide-web at this URL:
10
+ * http://opensource.org/licenses/afl-3.0.php
11
+ * If you did not receive a copy of the license and are unable to
12
+ * obtain it through the world-wide-web, please send an email
13
+ * to license@magentocommerce.com so we can send you a copy immediately.
14
+ *
15
+ * DISCLAIMER
16
+ *
17
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
18
+ * versions in the future. If you wish to customize Magento for your
19
+ * needs please refer to http://www.magentocommerce.com for more information.
20
+ *
21
+ * @category design
22
+ * @package base_default
23
+ * @copyright Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24
+ * @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
25
+ */
26
+ ?>
27
+ <div id="messages_product_view"><?php echo $this->getMessagesBlock()->getGroupedHtml() ?></div>
28
+ <div class="page-title">
29
+ <h1><?php echo Mage::helper('contacts')->__('Contact Us') ?></h1>
30
+ </div>
31
+ <form action="<?php echo $this->getFormAction(); ?>" id="contactForm" method="post">
32
+ <div class="fieldset">
33
+ <h2 class="legend"><?php echo Mage::helper('contacts')->__('Contact Information') ?></h2>
34
+ <ul class="form-list">
35
+ <li class="fields">
36
+ <div class="field">
37
+ <label for="name" class="required"><em>*</em><?php echo Mage::helper('contacts')->__('Name') ?></label>
38
+ <div class="input-box">
39
+ <input name="name" id="name" title="<?php echo Mage::helper('contacts')->__('Name') ?>" value="<?php echo $this->htmlEscape($this->helper('contacts')->getUserName()) ?>" class="input-text required-entry" type="text" />
40
+ </div>
41
+ </div>
42
+ <div class="field">
43
+ <label for="email" class="required"><em>*</em><?php echo Mage::helper('contacts')->__('Email') ?></label>
44
+ <div class="input-box">
45
+ <input name="email" id="email" title="<?php echo Mage::helper('contacts')->__('Email') ?>" value="<?php echo $this->htmlEscape($this->helper('contacts')->getUserEmail()) ?>" class="input-text required-entry validate-email" type="text" />
46
+ </div>
47
+ </div>
48
+ </li>
49
+ <li>
50
+ <label for="telephone"><?php echo Mage::helper('contacts')->__('Telephone') ?></label>
51
+ <div class="input-box">
52
+ <input name="telephone" id="telephone" title="<?php echo Mage::helper('contacts')->__('Telephone') ?>" value="" class="input-text" type="text" />
53
+ </div>
54
+ </li>
55
+ <li class="wide">
56
+ <label for="comment" class="required"><em>*</em><?php echo Mage::helper('contacts')->__('Comment') ?></label>
57
+ <div class="input-box">
58
+ <textarea name="comment" id="comment" title="<?php echo Mage::helper('contacts')->__('Comment') ?>" class="required-entry input-text" cols="5" rows="3"></textarea>
59
+ </div>
60
+ </li>
61
+ <li class="wide">
62
+ <div class="input-box">
63
+ <?php echo $this->getCaptchaCode(); ?>
64
+ </div>
65
+ </li>
66
+ </ul>
67
+ </div>
68
+ <div class="buttons-set">
69
+ <p class="required"><?php echo Mage::helper('contacts')->__('* Required Fields') ?></p>
70
+ <input type="text" name="hideit" id="hideit" value="hideit" style="display:none !important;" />
71
+ <button type="submit" title="<?php echo Mage::helper('contacts')->__('Submit') ?>" class="button"><span><span><?php echo Mage::helper('contacts')->__('Submit') ?></span></span></button>
72
+ </div>
73
+ </form>
74
+ <script type="text/javascript">
75
+ //<![CDATA[
76
+ var contactForm = new VarienForm('contactForm', true);
77
+ //]]>
78
+ </script>
app/etc/modules/OlegKoval_ContactsFormCaptcha.xml ADDED
@@ -0,0 +1,19 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?xml version="1.0" encoding="UTF-8"?>
2
+ <!--
3
+ /**
4
+ * Contacts Form Captcha
5
+ *
6
+ * @category OlegKoval
7
+ * @package OlegKoval_ContactsFormCaptcha
8
+ * @copyright Copyright (c) 2012 Oleg Koval
9
+ * @author Oleg Koval <oleh.koval@gmail.com>
10
+ */
11
+ -->
12
+ <config>
13
+ <modules>
14
+ <OlegKoval_ContactsFormCaptcha>
15
+ <active>true</active>
16
+ <codePool>community</codePool>
17
+ </OlegKoval_ContactsFormCaptcha>
18
+ </modules>
19
+ </config>
app/locale/en_US/OlegKoval_ContactsFormCaptcha.csv ADDED
@@ -0,0 +1,6 @@
 
 
 
 
 
 
1
+ "Contacts Form Captcha","Contacts Form Captcha"
2
+ "Enable Captcha","Enable Captcha"
3
+ "Public Key","Public Key"
4
+ "Private Key","Private Key"
5
+ "You got this from the signup page: https://www.google.com/recaptcha/admin/create","You got this from the signup page: https://www.google.com/recaptcha/admin/create"
6
+ "The reCAPTCHA wasn't entered correctly. Go back and try it again.","The reCAPTCHA wasn't entered correctly. Go back and try it again."
lib/reCaptcha/recaptchalib.php ADDED
@@ -0,0 +1,276 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?php
2
+ /*
3
+ * This is a PHP library that handles calling reCAPTCHA.
4
+ * - Documentation and latest version
5
+ * http://recaptcha.net/plugins/php/
6
+ * - Get a reCAPTCHA API Key
7
+ * https://www.google.com/recaptcha/admin/create
8
+ * - Discussion group
9
+ * http://groups.google.com/group/recaptcha
10
+ *
11
+ * Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
12
+ * AUTHORS:
13
+ * Mike Crawford
14
+ * Ben Maurer
15
+ *
16
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
17
+ * of this software and associated documentation files (the "Software"), to deal
18
+ * in the Software without restriction, including without limitation the rights
19
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
20
+ * copies of the Software, and to permit persons to whom the Software is
21
+ * furnished to do so, subject to the following conditions:
22
+ *
23
+ * The above copyright notice and this permission notice shall be included in
24
+ * all copies or substantial portions of the Software.
25
+ *
26
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
29
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
30
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
31
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32
+ * THE SOFTWARE.
33
+ */
34
+
35
+ /**
36
+ * The reCAPTCHA server URL's
37
+ */
38
+ define("RECAPTCHA_API_SERVER", "http://www.google.com/recaptcha/api");
39
+ define("RECAPTCHA_API_SECURE_SERVER", "https://www.google.com/recaptcha/api");
40
+ define("RECAPTCHA_VERIFY_SERVER", "www.google.com");
41
+
42
+ /**
43
+ * Encodes the given data into a query string format
44
+ * @param $data - array of string elements to be encoded
45
+ * @return string - encoded request
46
+ */
47
+ function _recaptcha_qsencode ($data) {
48
+ $req = "";
49
+ foreach ( $data as $key => $value )
50
+ $req .= $key . '=' . urlencode( stripslashes($value) ) . '&';
51
+
52
+ // Cut the last '&'
53
+ $req=substr($req,0,strlen($req)-1);
54
+ return $req;
55
+ }
56
+
57
+
58
+
59
+ /**
60
+ * Submits an HTTP POST to a reCAPTCHA server
61
+ * @param string $host
62
+ * @param string $path
63
+ * @param array $data
64
+ * @param int port
65
+ * @return array response
66
+ */
67
+ function _recaptcha_http_post($host, $path, $data, $port = 80) {
68
+
69
+ $req = _recaptcha_qsencode ($data);
70
+
71
+ $http_request = "POST $path HTTP/1.0\r\n";
72
+ $http_request .= "Host: $host\r\n";
73
+ $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
74
+ $http_request .= "Content-Length: " . strlen($req) . "\r\n";
75
+ $http_request .= "User-Agent: reCAPTCHA/PHP\r\n";
76
+ $http_request .= "\r\n";
77
+ $http_request .= $req;
78
+
79
+ $response = '';
80
+ if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) {
81
+ die ('Could not open socket');
82
+ }
83
+
84
+ fwrite($fs, $http_request);
85
+
86
+ while ( !feof($fs) )
87
+ $response .= fgets($fs, 1160); // One TCP-IP packet
88
+ fclose($fs);
89
+ $response = explode("\r\n\r\n", $response, 2);
90
+
91
+ return $response;
92
+ }
93
+
94
+
95
+
96
+ /**
97
+ * Gets the challenge HTML (javascript and non-javascript version).
98
+ * This is called from the browser, and the resulting reCAPTCHA HTML widget
99
+ * is embedded within the HTML form it was called from.
100
+ * @param string $pubkey A public key for reCAPTCHA
101
+ * @param string $error The error given by reCAPTCHA (optional, default is null)
102
+ * @param boolean $use_ssl Should the request be made over ssl? (optional, default is false)
103
+ * @return string - The HTML to be embedded in the user's form.
104
+ */
105
+ function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false)
106
+ {
107
+ if ($pubkey == null || $pubkey == '') {
108
+ die ("To use reCAPTCHA you must get an API key from <a href='https://www.google.com/recaptcha/admin/create'>https://www.google.com/recaptcha/admin/create</a>");
109
+ }
110
+
111
+ if ($use_ssl) {
112
+ $server = RECAPTCHA_API_SECURE_SERVER;
113
+ } else {
114
+ $server = RECAPTCHA_API_SERVER;
115
+ }
116
+
117
+ $errorpart = "";
118
+ if ($error) {
119
+ $errorpart = "&amp;error=" . $error;
120
+ }
121
+ return '<script type="text/javascript" src="'. $server . '/challenge?k=' . $pubkey . $errorpart . '"></script>
122
+
123
+ <noscript>
124
+ <iframe src="'. $server . '/noscript?k=' . $pubkey . $errorpart . '" height="300" width="500" frameborder="0"></iframe><br/>
125
+ <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
126
+ <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
127
+ </noscript>';
128
+ }
129
+
130
+
131
+
132
+
133
+ /**
134
+ * A ReCaptchaResponse is returned from recaptcha_check_answer()
135
+ */
136
+ class ReCaptchaResponse {
137
+ var $is_valid;
138
+ var $error;
139
+ }
140
+
141
+
142
+ /**
143
+ * Calls an HTTP POST function to verify if the user's guess was correct
144
+ * @param string $privkey
145
+ * @param string $remoteip
146
+ * @param string $challenge
147
+ * @param string $response
148
+ * @param array $extra_params an array of extra variables to post to the server
149
+ * @return ReCaptchaResponse
150
+ */
151
+ function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params = array())
152
+ {
153
+ if ($privkey == null || $privkey == '') {
154
+ die ("To use reCAPTCHA you must get an API key from <a href='https://www.google.com/recaptcha/admin/create'>https://www.google.com/recaptcha/admin/create</a>");
155
+ }
156
+
157
+ if ($remoteip == null || $remoteip == '') {
158
+ die ("For security reasons, you must pass the remote ip to reCAPTCHA");
159
+ }
160
+
161
+
162
+
163
+ //discard spam submissions
164
+ if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) {
165
+ $recaptcha_response = new ReCaptchaResponse();
166
+ $recaptcha_response->is_valid = false;
167
+ $recaptcha_response->error = 'incorrect-captcha-sol';
168
+ return $recaptcha_response;
169
+ }
170
+
171
+ $response = _recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify",
172
+ array (
173
+ 'privatekey' => $privkey,
174
+ 'remoteip' => $remoteip,
175
+ 'challenge' => $challenge,
176
+ 'response' => $response
177
+ ) + $extra_params
178
+ );
179
+
180
+ $answers = explode ("\n", $response [1]);
181
+ $recaptcha_response = new ReCaptchaResponse();
182
+
183
+ if (trim ($answers [0]) == 'true') {
184
+ $recaptcha_response->is_valid = true;
185
+ }
186
+ else {
187
+ $recaptcha_response->is_valid = false;
188
+ $recaptcha_response->error = $answers [1];
189
+ }
190
+ return $recaptcha_response;
191
+
192
+ }
193
+
194
+ /**
195
+ * gets a URL where the user can sign up for reCAPTCHA. If your application
196
+ * has a configuration page where you enter a key, you should provide a link
197
+ * using this function.
198
+ * @param string $domain The domain where the page is hosted
199
+ * @param string $appname The name of your application
200
+ */
201
+ function recaptcha_get_signup_url ($domain = null, $appname = null) {
202
+ return "https://www.google.com/recaptcha/admin/create?" . _recaptcha_qsencode (array ('domains' => $domain, 'app' => $appname));
203
+ }
204
+
205
+ function _recaptcha_aes_pad($val) {
206
+ $block_size = 16;
207
+ $numpad = $block_size - (strlen ($val) % $block_size);
208
+ return str_pad($val, strlen ($val) + $numpad, chr($numpad));
209
+ }
210
+
211
+ /* Mailhide related code */
212
+
213
+ function _recaptcha_aes_encrypt($val,$ky) {
214
+ if (! function_exists ("mcrypt_encrypt")) {
215
+ die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed.");
216
+ }
217
+ $mode=MCRYPT_MODE_CBC;
218
+ $enc=MCRYPT_RIJNDAEL_128;
219
+ $val=_recaptcha_aes_pad($val);
220
+ return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
221
+ }
222
+
223
+
224
+ function _recaptcha_mailhide_urlbase64 ($x) {
225
+ return strtr(base64_encode ($x), '+/', '-_');
226
+ }
227
+
228
+ /* gets the reCAPTCHA Mailhide url for a given email, public key and private key */
229
+ function recaptcha_mailhide_url($pubkey, $privkey, $email) {
230
+ if ($pubkey == '' || $pubkey == null || $privkey == "" || $privkey == null) {
231
+ die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " .
232
+ "you can do so at <a href='http://www.google.com/recaptcha/mailhide/apikey'>http://www.google.com/recaptcha/mailhide/apikey</a>");
233
+ }
234
+
235
+
236
+ $ky = pack('H*', $privkey);
237
+ $cryptmail = _recaptcha_aes_encrypt ($email, $ky);
238
+
239
+ return "http://www.google.com/recaptcha/mailhide/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail);
240
+ }
241
+
242
+ /**
243
+ * gets the parts of the email to expose to the user.
244
+ * eg, given johndoe@example,com return ["john", "example.com"].
245
+ * the email is then displayed as john...@example.com
246
+ */
247
+ function _recaptcha_mailhide_email_parts ($email) {
248
+ $arr = preg_split("/@/", $email );
249
+
250
+ if (strlen ($arr[0]) <= 4) {
251
+ $arr[0] = substr ($arr[0], 0, 1);
252
+ } else if (strlen ($arr[0]) <= 6) {
253
+ $arr[0] = substr ($arr[0], 0, 3);
254
+ } else {
255
+ $arr[0] = substr ($arr[0], 0, 4);
256
+ }
257
+ return $arr;
258
+ }
259
+
260
+ /**
261
+ * Gets html to display an email address given a public an private key.
262
+ * to get a key, go to:
263
+ *
264
+ * http://www.google.com/recaptcha/mailhide/apikey
265
+ */
266
+ function recaptcha_mailhide_html($pubkey, $privkey, $email) {
267
+ $emailparts = _recaptcha_mailhide_email_parts ($email);
268
+ $url = recaptcha_mailhide_url ($pubkey, $privkey, $email);
269
+
270
+ return htmlentities($emailparts[0]) . "<a href='" . htmlentities ($url) .
271
+ "' onclick=\"window.open('" . htmlentities ($url) . "', '', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=300'); return false;\" title=\"Reveal this e-mail address\">...</a>@" . htmlentities ($emailparts [1]);
272
+
273
+ }
274
+
275
+
276
+ ?>
package.xml ADDED
@@ -0,0 +1,20 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <?xml version="1.0"?>
2
+ <package>
3
+ <name>contactsformcaptcha</name>
4
+ <version>1.0.0</version>
5
+ <stability>stable</stability>
6
+ <license uri="http://opensource.org/licenses/OSL-3.0">OSL v3.0</license>
7
+ <channel>community</channel>
8
+ <extends/>
9
+ <summary>Add captcha to "Contact Us" form.</summary>
10
+ <description>"Contacts Form Captcha" extension add in easy way the captcha to "Contact Us" form.&#xD;
11
+ &#xD;
12
+ This extension uses reCaptcha library (http://www.google.com/recaptcha).</description>
13
+ <notes>"Contacts Form Captcha" extension add in easy way the captcha to "Contact Us" form.</notes>
14
+ <authors><author><name>Oleg Koval</name><user>auto-converted</user><email>oleh.koval@gmail.com</email></author></authors>
15
+ <date>2012-10-09</date>
16
+ <time>07:07:21</time>
17
+ <contents><target name="magecommunity"><dir name="OlegKoval"><dir name="ContactsFormCaptcha"><dir name="controllers"><file name="IndexController.php" hash="08f4e53fd3aa9707e8c72ef079dc034f"/></dir><dir name="etc"><file name="config.xml" hash="5554c3b28b769a95f1f4618a63a47883"/><file name="system.xml" hash="dfafc3f4c35dcebbce3724a1125f9d23"/></dir></dir></dir></target><target name="mageetc"><dir name="modules"><file name="OlegKoval_ContactsFormCaptcha.xml" hash="9b7cbc1587fc43d6a0cd1106bc19a4fc"/></dir></target><target name="magelocale"><dir name="en_US"><file name="OlegKoval_ContactsFormCaptcha.csv" hash="a13e19dd1a4af77cf79394ca43f6bc0f"/></dir></target><target name="magelib"><dir name="reCaptcha"><file name="recaptchalib.php" hash="f80a9f01727de68aba8e98f1e37345a9"/></dir></target><target name="magedesign"><dir name="frontend"><dir name="base"><dir name="default"><dir name="layout"><file name="contactsformcaptcha.xml" hash="797d1d456b4f7e6d4bdbb4308065b5fa"/></dir><dir name="template"><dir name="contactsformcaptcha"><file name="form.phtml" hash="9b55935c7c91b9a53d99c5f8ef55285d"/></dir></dir></dir></dir></dir></target></contents>
18
+ <compatible/>
19
+ <dependencies/>
20
+ </package>