Math Captcha - Version 1.0.9

Version Description

New: Multiple Math Captcha on one page support
New: Chinese translation, thanks to xiaoyaole
Fix: COntact Form 7 errors and general CF7 support
Tweak: crypt_key generation changed to AUTH_KEY usage

Release Info

Developer	dfactory
Plugin	$Icon 128x128$ Math Captcha
Version	1.0.9
Comparing to
See all releases

Code changes from version 1.0.8 to 1.0.9

Files changed (5) hide show

includes/math-captcha-cf7.php +17 -21
languages/math-captcha-zh_CN.mo +0 -0
languages/math-captcha-zh_CN.po +347 -0
readme.txt +11 -3
wp-math-captcha.php +222 -162

includes/math-captcha-cf7.php CHANGED Viewed

	@@ -13,25 +13,21 @@ function wpcf7_add_shortcode_mathcaptcha()
13
14	function wpcf7_mathcaptcha_shortcode_handler($tag)
15	{
16	-
17	global $mc_class;
18
19	- if (!is_user_logged_in() \|\| (is_user_logged_in() && $mc_class->~~options[~~'hide_for_logged_users'] === FALSE))
20	{
21	-
22	$tag = new WPCF7_Shortcode($tag);
23	-
24	if(empty($tag->name))
25	return '';
26	-
27	$validation_error = wpcf7_get_validation_error($tag->name);
28	$class = wpcf7_form_controls_class($tag->type);
29	-
30	if($validation_error)
31	- {
32	$class .= ' wpcf7-not-valid';
33	- }
34	-
35	$atts = array();
36	$atts['size'] = 2;
37	$atts['maxlength'] = 2;
	@@ -43,16 +39,14 @@ function wpcf7_mathcaptcha_shortcode_handler($tag)
43	$atts['name'] = $tag->name;
44	$atts['value'] = '';
45	$atts = wpcf7_format_atts($atts);
46	-
47	$mc_form = $mc_class->generate_captcha_phrase('cf7');
48	$mc_form[$mc_form['input']] = '<input %2$s />';
49	-
50	- $math_captcha_title = apply_filters('math_captcha_title', $mc_class->~~get_attribute~~('title'));
51	-
52	- return sprintf(((empty($math_captcha_title)) ? '' : ~~''.$~~math_captcha_title~~.''~~).'<span class="wpcf7-form-control-wrap %1$s">'.$mc_form[1].$mc_form[2].$mc_form[3].'%3$s', $tag->name, $atts, $validation_error);
53	-
54	}
55	-
56	}
57
58
	@@ -70,9 +64,11 @@ function wpcf7_mathcaptcha_validation_filter($result, $tag)
70	{
71	if($_POST[$name] !== '')
72	{
73	- if($~~mc_class->get_attribute(~~'~~session_id~~') ~~!==~~ '' && ~~get_transient(~~'~~cf7_~~'.$mc_class->~~get_attribute~~('~~session_id~~')) ~~!==~~ ~~FALSE~~)


74	{
75	- if(strcmp(get_transient('cf7_'.$~~mc_class->get_attribute('~~session_id')), sha1(~~$mc_class->get_attribute('crypt_key')~~.$_POST[$name].$~~mc_class->get_attribute('~~session_id'), FALSE)) !== 0)
76	{
77	$result['valid'] = FALSE;
78	$result['reason'][$name] = wpcf7_get_message('wrong_mathcaptcha');
	@@ -107,15 +103,15 @@ function wpcf7_mathcaptcha_messages($messages)
107	array(
108	'wrong_mathcaptcha' => array(
109	'description' => __('Invalid captcha value.', 'math-captcha'),
110	- 'default' => $mc_class->~~err_msg[~~'wrong']
111	),
112	'fill_mathcaptcha' => array(
113	'description' => __('Please enter captcha value.', 'math-captcha'),
114	- 'default' => $mc_class->~~err_msg[~~'fill']
115	),
116	'time_mathcaptcha' => array(
117	'description' => __('Captcha time expired.', 'math-captcha'),
118	- 'default' => $mc_class->~~err_msg[~~'time']
119	)
120	)
121	);


13
14	function wpcf7_mathcaptcha_shortcode_handler($tag)
15	{

16	global $mc_class;
17
18	+ if(!is_user_logged_in() \|\| (is_user_logged_in() && $mc_class->get_options('hide_for_logged_users') === FALSE))
19	{

20	$tag = new WPCF7_Shortcode($tag);
21	+
22	if(empty($tag->name))
23	return '';
24	+
25	$validation_error = wpcf7_get_validation_error($tag->name);
26	$class = wpcf7_form_controls_class($tag->type);
27	+
28	if($validation_error)

29	$class .= ' wpcf7-not-valid';
30	+

31	$atts = array();
32	$atts['size'] = 2;
33	$atts['maxlength'] = 2;

39	$atts['name'] = $tag->name;
40	$atts['value'] = '';
41	$atts = wpcf7_format_atts($atts);
42	+
43	$mc_form = $mc_class->generate_captcha_phrase('cf7');
44	$mc_form[$mc_form['input']] = '<input %2$s />';
45	+
46	+ $math_captcha_title = apply_filters('math_captcha_title', $mc_class->get_options('title'));
47	+
48	+ return sprintf(((empty($math_captcha_title)) ? '' : $math_captcha_title).'<span class="wpcf7-form-control-wrap %1$s">'.$mc_form[1].$mc_form[2].$mc_form[3].'%3$s</span><input type="hidden" value="'.($mc_class->get_session_number() - 1).'" name="'.$tag->name.'-sn" />', $tag->name, $atts, $validation_error);

49	}

50	}
51
52

64	{
65	if($_POST[$name] !== '')
66	{
67	+ $session_id = (isset($_POST[$name.'-sn']) && $_POST[$name.'-sn'] !== '' ? $mc_class->get_session_id($_POST[$name.'-sn']) : '');
68	+
69	+ if($session_id !== '' && get_transient('cf7_'.$session_id) !== FALSE)
70	{
71	+ if(strcmp(get_transient('cf7_'.$session_id), sha1(AUTH_KEY.$_POST[$name].$session_id, FALSE)) !== 0)
72	{
73	$result['valid'] = FALSE;
74	$result['reason'][$name] = wpcf7_get_message('wrong_mathcaptcha');

103	array(
104	'wrong_mathcaptcha' => array(
105	'description' => __('Invalid captcha value.', 'math-captcha'),
106	+ 'default' => $mc_class->get_error_messages('wrong')
107	),
108	'fill_mathcaptcha' => array(
109	'description' => __('Please enter captcha value.', 'math-captcha'),
110	+ 'default' => $mc_class->get_error_messages('fill')
111	),
112	'time_mathcaptcha' => array(
113	'description' => __('Captcha time expired.', 'math-captcha'),
114	+ 'default' => $mc_class->get_error_messages('time')
115	)
116	)
117	);

languages/math-captcha-zh_CN.mo ADDED Viewed

Binary file

languages/math-captcha-zh_CN.po ADDED Viewed

	@@ -0,0 +1,347 @@


1	+ msgid ""
2	+ msgstr ""
3	+ "Project-Id-Version: Math Captcha\n"
4	+ "POT-Creation-Date: 2013-08-08 08:01+0100\n"
5	+ "PO-Revision-Date: 2013-10-08 15:43+0800\n"
6	+ "Last-Translator: Stephan Hilchenbach <info@elcats.de>\n"
7	+ "Language-Team: 逍遥乐汉化 <luoxiao123@outlook.com>\n"
8	+ "Language: zh-CN\n"
9	+ "MIME-Version: 1.0\n"
10	+ "Content-Type: text/plain; charset=UTF-8\n"
11	+ "Content-Transfer-Encoding: 8bit\n"
12	+ "X-Generator: Poedit 1.5.7\n"
13	+ "X-Poedit-KeywordsList: gettext;gettext_noop;__;_e\n"
14	+ "X-Poedit-Basepath: .\n"
15	+ "X-Poedit-SourceCharset: UTF-8\n"
16	+ "X-Poedit-SearchPath-0: ..\n"
17	+
18	+ #: ../wp-math-captcha.php:496
19	+ msgid "one"
20	+ msgstr "一"
21	+
22	+ #: ../wp-math-captcha.php:497
23	+ msgid "two"
24	+ msgstr "二"
25	+
26	+ #: ../wp-math-captcha.php:498
27	+ msgid "three"
28	+ msgstr "三"
29	+
30	+ #: ../wp-math-captcha.php:499
31	+ msgid "four"
32	+ msgstr "四"
33	+
34	+ #: ../wp-math-captcha.php:500
35	+ msgid "five"
36	+ msgstr "五"
37	+
38	+ #: ../wp-math-captcha.php:501
39	+ msgid "six"
40	+ msgstr "六"
41	+
42	+ #: ../wp-math-captcha.php:502
43	+ msgid "seven"
44	+ msgstr "七"
45	+
46	+ #: ../wp-math-captcha.php:503
47	+ msgid "eight"
48	+ msgstr "八"
49	+
50	+ #: ../wp-math-captcha.php:504
51	+ msgid "nine"
52	+ msgstr "九"
53	+
54	+ #: ../wp-math-captcha.php:505
55	+ msgid "ten"
56	+ msgstr "十"
57	+
58	+ #: ../wp-math-captcha.php:506
59	+ msgid "eleven"
60	+ msgstr "十一"
61	+
62	+ #: ../wp-math-captcha.php:507
63	+ msgid "twelve"
64	+ msgstr "十二"
65	+
66	+ #: ../wp-math-captcha.php:508
67	+ msgid "thirteen"
68	+ msgstr "十三"
69	+
70	+ #: ../wp-math-captcha.php:509
71	+ msgid "fourteen"
72	+ msgstr "十四"
73	+
74	+ #: ../wp-math-captcha.php:510
75	+ msgid "fifteen"
76	+ msgstr "十五"
77	+
78	+ #: ../wp-math-captcha.php:511
79	+ msgid "sixteen"
80	+ msgstr "十六"
81	+
82	+ #: ../wp-math-captcha.php:512
83	+ msgid "seventeen"
84	+ msgstr "十七"
85	+
86	+ #: ../wp-math-captcha.php:513
87	+ msgid "eighteen"
88	+ msgstr "十八"
89	+
90	+ #: ../wp-math-captcha.php:514
91	+ msgid "nineteen"
92	+ msgstr "十九"
93	+
94	+ #: ../wp-math-captcha.php:515
95	+ msgid "twenty"
96	+ msgstr "二十"
97	+
98	+ #: ../wp-math-captcha.php:516
99	+ msgid "thirty"
100	+ msgstr "三十"
101	+
102	+ #: ../wp-math-captcha.php:517
103	+ msgid "forty"
104	+ msgstr "四十"
105	+
106	+ #: ../wp-math-captcha.php:518
107	+ msgid "fifty"
108	+ msgstr "五十"
109	+
110	+ #: ../wp-math-captcha.php:519
111	+ msgid "sixty"
112	+ msgstr "六十"
113	+
114	+ #: ../wp-math-captcha.php:520
115	+ msgid "seventy"
116	+ msgstr "七十"
117	+
118	+ #: ../wp-math-captcha.php:521
119	+ msgid "eighty"
120	+ msgstr "八十"
121	+
122	+ #: ../wp-math-captcha.php:522
123	+ msgid "ninety"
124	+ msgstr "九十"
125	+
126	+ #: ../wp-math-captcha.php:812 ../wp-math-captcha.php:813
127	+ #: ../wp-math-captcha.php:814
128	+ msgid "ERROR"
129	+ msgstr "错误"
130	+
131	+ #: ../wp-math-captcha.php:812 ../includes/math-captcha-cf7.php:113
132	+ msgid "Please enter captcha value."
133	+ msgstr "oh my gad! 兄弟你忘记填写验证码了！"
134	+
135	+ #: ../wp-math-captcha.php:813 ../includes/math-captcha-cf7.php:109
136	+ msgid "Invalid captcha value."
137	+ msgstr "您输入的验证码不正确，请重新输入"
138	+
139	+ #: ../wp-math-captcha.php:814 ../includes/math-captcha-cf7.php:117
140	+ msgid "Captcha time expired."
141	+ msgstr "验证码过期时间。"
142	+
143	+ #: ../wp-math-captcha.php:818
144	+ msgid "login form"
145	+ msgstr "登录表单"
146	+
147	+ #: ../wp-math-captcha.php:819
148	+ msgid "registration form"
149	+ msgstr "注册表单"
150	+
151	+ #: ../wp-math-captcha.php:820
152	+ msgid "reset password form"
153	+ msgstr "重置密码表单"
154	+
155	+ #: ../wp-math-captcha.php:821
156	+ msgid "comment form"
157	+ msgstr "评论表单"
158	+
159	+ #: ../wp-math-captcha.php:822
160	+ msgid "bbpress"
161	+ msgstr "bbpress"
162	+
163	+ #: ../wp-math-captcha.php:823
164	+ msgid "contact form 7"
165	+ msgstr "contact form 7"
166	+
167	+ #: ../wp-math-captcha.php:827
168	+ msgid "yes"
169	+ msgstr "是"
170	+
171	+ #: ../wp-math-captcha.php:828
172	+ msgid "no"
173	+ msgstr "否"
174	+
175	+ #: ../wp-math-captcha.php:832
176	+ msgid "addition (+)"
177	+ msgstr "加法 (+)"
178	+
179	+ #: ../wp-math-captcha.php:833
180	+ msgid "subtraction (-)"
181	+ msgstr "减法 (-)"
182	+
183	+ #: ../wp-math-captcha.php:834
184	+ msgid "multiplication (×)"
185	+ msgstr "乘法 (×)"
186	+
187	+ #: ../wp-math-captcha.php:835
188	+ msgid "division (÷)"
189	+ msgstr "除法 (÷)"
190	+
191	+ #: ../wp-math-captcha.php:839
192	+ msgid "numbers"
193	+ msgstr "阿拉伯数字"
194	+
195	+ #: ../wp-math-captcha.php:840
196	+ msgid "words"
197	+ msgstr "中文大写数字"
198	+
199	+ #: ../wp-math-captcha.php:852
200	+ msgid "Math Captcha settings"
201	+ msgstr "Math Captcha设置"
202	+
203	+ #: ../wp-math-captcha.php:853
204	+ msgid "Enable Math Captcha for"
205	+ msgstr "启用 Math Captcha 到"
206	+
207	+ #: ../wp-math-captcha.php:854
208	+ msgid "Hide for logged in users"
209	+ msgstr "登录用户不显示验证码"
210	+
211	+ #: ../wp-math-captcha.php:855
212	+ msgid "Mathematical operations"
213	+ msgstr "数学运算"
214	+
215	+ #: ../wp-math-captcha.php:856
216	+ msgid "Display captcha as"
217	+ msgstr "显示验证码"
218	+
219	+ #: ../wp-math-captcha.php:857
220	+ msgid "Captcha field title"
221	+ msgstr "验证码字段标题"
222	+
223	+ #: ../wp-math-captcha.php:858
224	+ msgid "Captcha time"
225	+ msgstr "验证码时间"
226	+
227	+ #: ../wp-math-captcha.php:859
228	+ msgid "Deactivation"
229	+ msgstr "停用"
230	+
231	+ #: ../wp-math-captcha.php:879
232	+ msgid "Select were would you like to use Math Captcha."
233	+ msgstr "选择你想使用的数学验证码。"
234	+
235	+ #: ../wp-math-captcha.php:900
236	+ msgid "Would you like to hide captcha for logged in users?"
237	+ msgstr "你想让登录用户隐藏验证码？"
238	+
239	+ #: ../wp-math-captcha.php:913
240	+ msgid ""
241	+ "Select what kind of mathematical operations will be used to generate captcha."
242	+ msgstr "选择什么样的数学运算，将被用来生成验证码。"
243	+
244	+ #: ../wp-math-captcha.php:926
245	+ msgid "Enter the time (in seconds) a user has to enter captcha value."
246	+ msgstr "输入的时间（以秒为单位），用户必须输入验证码值。"
247	+
248	+ #: ../wp-math-captcha.php:947
249	+ msgid "Delete settings on plugin deactivation"
250	+ msgstr "停用插件时删除设置"
251	+
252	+ #: ../wp-math-captcha.php:968
253	+ msgid "Select which mathematical operations to use in your captcha."
254	+ msgstr "选择算术运算的类型被用来生成的验证码。"
255	+
256	+ #: ../wp-math-captcha.php:989
257	+ msgid "Select how you'd like to display you captcha."
258	+ msgstr "选择你想怎么显示的验证码。"
259	+
260	+ #: ../wp-math-captcha.php:1030
261	+ msgid ""
262	+ "You need to check at least one mathematical operation. Defaults settings of "
263	+ "this option restored."
264	+ msgstr "您必须选择至少一个算术运算。对于此选项，恢复默认值。"
265	+
266	+ #: ../wp-math-captcha.php:1046
267	+ msgid ""
268	+ "You need to check at least one group. Defaults settings of this option "
269	+ "restored."
270	+ msgstr "你必须选择至少一组。对于此选项，恢复默认值。"
271	+
272	+ #: ../wp-math-captcha.php:1080 ../wp-math-captcha.php:1081
273	+ #: ../wp-math-captcha.php:1096 ../wp-math-captcha.php:1109
274	+ #: ../includes/math-captcha-cf7.php:148
275	+ msgid "Math Captcha"
276	+ msgstr "Math Captcha"
277	+
278	+ #: ../wp-math-captcha.php:1111
279	+ msgid "Need support?"
280	+ msgstr "需要支持吗?"
281	+
282	+ #: ../wp-math-captcha.php:1112
283	+ msgid ""
284	+ "If you are having problems with this plugin, please talk about them in the"
285	+ msgstr ""
286	+ "本插件由逍遥乐进行汉化，如果您在使用本插件时遇到什么汉化问题，请联系<a href="
287	+ "\"http://www.luoxiao123.cn\">逍遥乐</a>，一切汉化相关稳定都可以到<a href="
288	+ "\"http://www.luoxiao123.cn\">逍遥乐IT博客www.luoxiao123.cn</a>咨询逍遥乐！插"
289	+ "件具体问题请到原作者支持论坛："
290	+
291	+ #: ../wp-math-captcha.php:1112
292	+ msgid "Support forum"
293	+ msgstr "支持论坛"
294	+
295	+ #: ../wp-math-captcha.php:1114
296	+ msgid "Do you like this plugin?"
297	+ msgstr "你喜欢这个插件？"
298	+
299	+ #: ../wp-math-captcha.php:1115
300	+ msgid "Rate it 5"
301	+ msgstr "评分5"
302	+
303	+ #: ../wp-math-captcha.php:1115
304	+ msgid "on WordPress.org"
305	+ msgstr "在 WordPress.org"
306	+
307	+ #: ../wp-math-captcha.php:1116
308	+ msgid "Blog about it & link to the"
309	+ msgstr "关于博客&链接到"
310	+
311	+ #: ../wp-math-captcha.php:1116
312	+ msgid "plugin page"
313	+ msgstr "插件页面"
314	+
315	+ #: ../wp-math-captcha.php:1117
316	+ msgid "Check out our other"
317	+ msgstr ""
318	+ "请到<a href=\"http://www.luoxiao123.cn\">逍遥乐IT博客www.luoxiao123.cn</a>查"
319	+ "看更多汉化作品！原作者更多作品请到："
320	+
321	+ #: ../wp-math-captcha.php:1117
322	+ msgid "WordPress plugins"
323	+ msgstr "WordPress 插件"
324	+
325	+ #: ../wp-math-captcha.php:1170
326	+ msgid "Support"
327	+ msgstr "支持"
328	+
329	+ #: ../wp-math-captcha.php:1192
330	+ msgid "Settings"
331	+ msgstr "设置"
332	+
333	+ #: ../includes/math-captcha-cf7.php:160
334	+ msgid "Name"
335	+ msgstr "名称"
336	+
337	+ #: ../includes/math-captcha-cf7.php:166
338	+ msgid "Input field settings"
339	+ msgstr "输入字段设置"
340	+
341	+ #: ../includes/math-captcha-cf7.php:169 ../includes/math-captcha-cf7.php:173
342	+ msgid "optional"
343	+ msgstr "可选"
344	+
345	+ #: ../includes/math-captcha-cf7.php:179
346	+ msgid "Copy this code and paste it into the form left."
347	+ msgstr "将此代码复制并粘贴到左侧。"

readme.txt CHANGED Viewed

	@@ -4,7 +4,7 @@ Donate link: http://www.dfactory.eu/
4	Tags: antispam, capcha, captcha, captha, catcha, comment, comments, spam, security, login, lost password, math captcha, registration, cf7, contact, contact forms, form, contact form 7, bbpress
5	Requires at least: 3.3
6	Tested up to: 3.6.1
7	- Stable tag: 1.0.8
8	License: MIT License
9	License URI: http://opensource.org/licenses/MIT
10
	@@ -22,12 +22,14 @@ For more information, check out the [plugin page](http://www.dfactory.eu/plugins
22	* Hiding captcha for logged in users
23	* Select which mathematical operation to use
24	* Displaying captcha as numbers and/or words

25	* Option to set captcha field title
26	* Option to set captcha input time
27	* .pot file for translations included
28
29	= Translations: =
30

31	* Dutch - by [Monique](http://www.datisslimbedacht.nl)
32	* French - by sil3r
33	* German - by Stephan Hilchenbach
	@@ -54,6 +56,12 @@ No questions yet.
54
55	== Changelog ==
56






57	= 1.0.8 =
58	* Fix: Strict Standards warnings on some server setups.
59
	@@ -88,5 +96,5 @@ No questions yet.
88
89	== Upgrade Notice ==
90
91	- = 1.0.8 =
92	- * ~~Fix:~~ ~~Strict~~ ~~Standards~~ ~~warnings~~ on ~~some~~ ~~server~~ ~~setups.~~


4	Tags: antispam, capcha, captcha, captha, catcha, comment, comments, spam, security, login, lost password, math captcha, registration, cf7, contact, contact forms, form, contact form 7, bbpress
5	Requires at least: 3.3
6	Tested up to: 3.6.1
7	+ Stable tag: 1.0.9
8	License: MIT License
9	License URI: http://opensource.org/licenses/MIT
10

22	* Hiding captcha for logged in users
23	* Select which mathematical operation to use
24	* Displaying captcha as numbers and/or words
25	+ * Multiple captcha on one page support
26	* Option to set captcha field title
27	* Option to set captcha input time
28	* .pot file for translations included
29
30	= Translations: =
31
32	+ * Chinese - by xiaoyaole
33	* Dutch - by [Monique](http://www.datisslimbedacht.nl)
34	* French - by sil3r
35	* German - by Stephan Hilchenbach

56
57	== Changelog ==
58
59	+ = 1.0.9 =
60	+ * New: Multiple Math Captcha on one page support
61	+ * New: Chinese translation, thanks to xiaoyaole
62	+ * Fix: COntact Form 7 errors and general CF7 support
63	+ * Tweak: crypt_key generation changed to AUTH_KEY usage
64	+
65	= 1.0.8 =
66	* Fix: Strict Standards warnings on some server setups.
67

96
97	== Upgrade Notice ==
98
99	+ = 1.0.9 =
100	+ Chinese translation, fixed errors for CF7 and multiple Math Cpatchas on one page support

wp-math-captcha.php CHANGED Viewed

	@@ -2,7 +2,7 @@
2	/*
3	Plugin Name: Math Captcha
4	Description: Math Captcha is a <strong>100% effective CAPTCHA for WordPress</strong> that integrates into login, registration, comments, Contact Form 7 and bbPress.
5	- Version: 1.0.8
6	Author: dFactory
7	Author URI: http://www.dfactory.eu/
8	Plugin URI: http://www.dfactory.eu/plugins/math-captcha/
	@@ -19,33 +19,41 @@ The above copyright notice and this permission notice shall be included in all c
19	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20	*/
21



22
23	class Math_Captcha
24	{
25	private $defaults = array(
26	- '~~enable_for~~' => array(
27	- '~~login_form~~' => ~~FALSE,~~
28	- '~~registration_form~~' => ~~TRUE~~,
29	- '~~reset_password_form~~' => TRUE,
30	- '~~comment_form~~' => TRUE,
31	- '~~bbpress~~' => ~~FALSE~~,
32	- '~~contact_form_7~~' => FALSE
33	- ),
34	- ~~'hide_for_logged_users' => TRUE~~,
35	- '~~title~~' => ~~'Math Captcha'~~,
36	- '~~mathematical_operations~~' => ~~array(~~
37	- '~~addition~~' => ~~TRUE,~~
38	- '~~subtraction~~' => TRUE,
39	- '~~multiplication~~' => ~~FALSE~~,
40	- '~~division~~' => FALSE








41	),
42	- '~~groups~~' => ~~array(~~
43	- 'numbers' => TRUE,
44	- 'words' => FALSE
45	- ),
46	- 'time' => 300,
47	- 'deactivation_delete' => FALSE
48	);


49	private $options = array();
50	private $choices = array();
51	private $enable_for = array();
	@@ -53,9 +61,6 @@ class Math_Captcha
53	private $groups = array();
54	private $error_messages = array();
55	private $errors;
56	- private $session_id = '';
57	- private $crypt_key = 'u.%ds)4;?D<gM#%fd!W2]9';
58	- private $err_msg = array();
59
60
61	public function __construct()
	@@ -63,7 +68,19 @@ class Math_Captcha
63	register_activation_hook(__FILE__, array(&$this, 'activation'));
64	register_deactivation_hook(__FILE__, array(&$this, 'deactivation'));
65
66	- ~~$this->options~~ = ~~array_merge($this->defaults,~~ ~~get_option('mc_options'));~~












67
68	//actions
69	add_action('plugins_loaded', array(&$this, 'init_mc_session'), 1);
	@@ -81,6 +98,65 @@ class Math_Captcha
81	}
82
83



























































84	/**
85	* Loads required filters
86	*/
	@@ -89,13 +165,13 @@ class Math_Captcha
89	global $pagenow;
90
91	//comments
92	- if($this->options['enable_for']['comment_form'] === TRUE)
93	{
94	if(!is_user_logged_in())
95	add_action('comment_form_after_fields', array(&$this, 'add_captcha_form'));
96	else
97	{
98	- if($this->options['hide_for_logged_users'] === FALSE)
99	{
100	add_action('comment_form_logged_in_after', array(&$this, 'add_captcha_form'));
101	}
	@@ -109,7 +185,7 @@ class Math_Captcha
109	{
110	$action = (isset($_GET['action']) && $_GET['action'] !== '' ? $_GET['action'] : NULL);
111
112	- if($this->options['enable_for']['registration_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['hide_for_logged_users'] === FALSE)) && $action === 'register')
113	{
114	add_action('register_form', array(&$this, 'add_captcha_form'));
115	add_action('register_post', array(&$this, 'add_user_with_captcha'), 10, 3);
	@@ -117,13 +193,13 @@ class Math_Captcha
117	add_filter('wpmu_validate_user_signup', array(&$this, 'validate_user_with_captcha'));
118	}
119
120	- if($this->options['enable_for']['reset_password_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['hide_for_logged_users'] === FALSE)) && $action === 'lostpassword')
121	{
122	add_action('lostpassword_form', array(&$this, 'add_captcha_form'));
123	add_action('lostpassword_post', array(&$this, 'check_lost_password_with_captcha'));
124	}
125
126	- if($this->options['enable_for']['login_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['hide_for_logged_users'] === FALSE)) && $action === NULL)
127	{
128	add_action('login_form', array(&$this, 'add_captcha_form'));
129	add_filter('login_redirect', array(&$this, 'redirect_login_with_captcha'), 10, 3);
	@@ -131,11 +207,11 @@ class Math_Captcha
131	}
132
133	//bbPress
134	- if($this->options['enable_for']['bbpress'] === TRUE)
135	{
136	include_once(ABSPATH.'wp-admin/includes/plugin.php');
137
138	- if(is_plugin_active('bbpress/bbpress.php') && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['hide_for_logged_users'] === FALSE)))
139	{
140	add_action('bbp_theme_after_reply_form_content', array(&$this, 'add_bbp_captcha_form'));
141	add_action('bbp_theme_after_topic_form_content', array(&$this, 'add_bbp_captcha_form'));
	@@ -145,7 +221,7 @@ class Math_Captcha
145	}
146
147	//Contact Form 7
148	- if($this->options['enable_for']['contact_form_7'] === TRUE)
149	{
150	include_once(ABSPATH.'wp-admin/includes/plugin.php');
151
	@@ -160,26 +236,6 @@ class Math_Captcha
160	}
161
162
163	- /**
164	- * Gets attribute from options
165	- */
166	- public function get_attribute($attr)
167	- {
168	- switch($attr)
169	- {
170	- case 'session_id':
171	- case 'crypt_key':
172	- return $this->{$attr};
173	-
174	- case 'title':
175	- return $this->options['title'];
176	-
177	- default:
178	- return '';
179	- }
180	- }
181	-
182	-
183	/**
184	* Validates lost password form
185	*/
	@@ -192,16 +248,16 @@ class Math_Captcha
192	//checks captcha
193	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
194	{
195	- if($this->~~session_id~~ !== '' && get_transient('mc_'.$this->~~session_id~~) !== FALSE)
196	{
197	- if(strcmp(get_transient('mc_'.$this->~~session_id~~), sha1(~~$this->crypt_key~~.$_POST['mc-value'].$this->~~session_id~~, FALSE)) !== 0)
198	- $this->errors->add('math-captcha-error', $this->~~err_msg~~['wrong']);
199	}
200	else
201	- $this->errors->add('math-captcha-error', $this->~~err_msg~~['time']);
202	}
203	else
204	- $this->errors->add('math-captcha-error', $this->~~err_msg~~['fill']);
205
206	//checks user_login (from wp-login.php)
207	if(empty($_POST['user_login']))
	@@ -256,21 +312,43 @@ class Math_Captcha
256	{
257	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
258	{
259	- if($this->~~session_id~~ !== '' && get_transient('mc_'.$this->~~session_id~~) !== FALSE)
260	{
261	- if(strcmp(get_transient('mc_'.$this->~~session_id~~), sha1(~~$this->crypt_key~~.$_POST['mc-value'].$this->~~session_id~~, FALSE)) !== 0)
262	- $errors->add('math-captcha-error', $this->~~err_msg~~['wrong']);
263	}
264	else
265	- $errors->add('math-captcha-error', $this->~~err_msg~~['time']);
266	}
267	else
268	- $errors->add('math-captcha-error', $this->~~err_msg~~['fill']);
269
270	return $errors;
271	}
272
273






















274	/**
275	* Posts login form
276	*/
	@@ -281,30 +359,30 @@ class Math_Captcha
281
282	if(isset($_GET['captcha']) && in_array($_GET['captcha'], array('fill', 'wrong', 'time'), TRUE))
283	{
284	- $errors->add('math-captcha-error', $this->~~err_msg~~[$_GET['captcha']]);
285	}
286
287	if(!empty($_POST))
288	{
289	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
290	{
291	- if($this->~~session_id~~ !== '' && get_transient('mc_'.$this->~~session_id~~) !== FALSE)
292	{
293	- if(strcmp(get_transient('mc_'.$this->~~session_id~~), sha1(~~$this->crypt_key~~.$_POST['mc-value'].$this->~~session_id~~, FALSE)) !== 0)
294	{
295	- $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->~~err_msg~~['wrong']));
296	$act = 'wrong';
297	}
298	}
299	else
300	{
301	- $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->~~err_msg~~['time']));
302	$act = 'time';
303	}
304	}
305	else
306	{
307	- $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->~~err_msg~~['fill']));
308	$act = 'fill';
309	}
310	}
	@@ -330,28 +408,6 @@ class Math_Captcha
330	}
331
332
333	- /**
334	- * Validates register form
335	- */
336	- public function validate_user_with_captcha($result)
337	- {
338	- if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
339	- {
340	- if($this->session_id !== '' && get_transient('mc_'.$this->session_id) !== FALSE)
341	- {
342	- if(strcmp(get_transient('mc_'.$this->session_id), sha1($this->crypt_key.$_POST['mc-value'].$this->session_id, FALSE)) !== 0)
343	- $results['errors']->add('math-captcha-error', $this->err_msg['wrong']);
344	- }
345	- else
346	- $results['errors']->add('math-captcha-error', $this->err_msg['time']);
347	- }
348	- else
349	- $results['errors']->add('math-captcha-error', $this->err_msg['fill']);
350	-
351	- return $results;
352	- }
353	-
354	-
355	/**
356	* Adds captcha to comment form
357	*/
	@@ -361,18 +417,18 @@ class Math_Captcha
361	{
362	if($_POST['mc-value'] !== '')
363	{
364	- if($this->~~session_id~~ !== '' && get_transient('mc_'.$this->~~session_id~~) !== FALSE)
365	{
366	- if(strcmp(get_transient('mc_'.$this->~~session_id~~), sha1(~~$this->crypt_key~~.$_POST['mc-value'].$this->~~session_id~~, FALSE)) === 0)
367	return $comment;
368	else
369	- wp_die($this->~~err_msg~~['wrong']);
370	}
371	else
372	- wp_die($this->~~err_msg~~['time']);
373	}
374	else
375	- wp_die($this->~~err_msg~~['fill']);
376	}
377	else
378	return $comment;
	@@ -384,12 +440,34 @@ class Math_Captcha
384	*/
385	public function init_mc_session()
386	{
387	- if(isset($_COOKIE['~~mc_session_id~~']))
388	- $this->~~session_id~~ = $_COOKIE['~~mc_session_id~~'];
389	else
390	- ~~$this->session_id = sha1(wp_generate_password(64, TRUE, TRUE));~~

















391
392	- setcookie('~~mc_session_id~~', $this->~~session_id~~, current_time('timestamp', TRUE) + apply_filters('math_captcha_time', $this->options['time']), COOKIEPATH, COOKIE_DOMAIN);





393	}
394
395
	@@ -401,7 +479,7 @@ class Math_Captcha
401	if(is_admin())
402	return;
403
404	- $captcha_title = apply_filters('math_captcha_title', $this->options['title']);
405
406	echo '
407	<p class="math-captcha-form">';
	@@ -424,7 +502,7 @@ class Math_Captcha
424	if(is_admin())
425	return;
426
427	- $captcha_title = apply_filters('math_captcha_title', $this->options['title']);
428
429	echo '
430	<p class="math-captcha-form">';
	@@ -446,16 +524,16 @@ class Math_Captcha
446	{
447	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
448	{
449	- if($this->~~session_id~~ !== '' && get_transient('bbp_'.$this->~~session_id~~) !== FALSE)
450	{
451	- if(strcmp(get_transient('bbp_'.$this->~~session_id~~), sha1(~~$this->crypt_key~~.$_POST['mc-value'].$this->~~session_id~~, FALSE)) !== 0)
452	- bbp_add_error('math-captcha-wrong', $this->~~err_msg~~['wrong']);
453	}
454	else
455	- bbp_add_error('math-captcha-wrong', $this->~~err_msg~~['time']);
456	}
457	else
458	- bbp_add_error('math-captcha-wrong', $this->~~err_msg~~['fill']);
459	}
460
461
	@@ -568,17 +646,17 @@ class Math_Captcha
568	);
569
570	$operations = $groups = array();
571	- $input = '<input type="text" size="2" length="2" id="mc-input" name="mc-value" value="" aria-required="true" ~~style="width:50px;"~~ />';
572
573	//available operations
574	- foreach($this->options['mathematical_operations'] as $operation => $enable)
575	{
576	if($enable === TRUE)
577	$operations[] = $operation;
578	}
579
580	//available groups
581	- foreach($this->options['groups'] as $group => $enable)
582	{
583	if($enable === TRUE)
584	$groups[] = $group;
	@@ -594,6 +672,7 @@ class Math_Captcha
594	//place where to put empty input
595	$rnd_input = mt_rand(0, 2);
596

597	switch($rnd_op)
598	{
599	case 'addition':
	@@ -749,6 +828,7 @@ class Math_Captcha
749	$return = $this->encode_operation($number[0]).' '.$number[3].' '.$this->encode_operation($number[1]).' = '.$input;
750
751	$transient_name = ($form === 'bbpress' ? 'bbp' : 'mc');

752	}
753	elseif($form === 'cf7')
754	{
	@@ -774,39 +854,21 @@ class Math_Captcha
774	}
775
776	$transient_name = 'cf7';

777	}
778
779	- set_transient($transient_name.'_'.$~~this->~~session_id, sha1(~~$this->crypt_key~~.$number[$rnd_input].$~~this->~~session_id, FALSE), apply_filters('math_captcha_time', $this->options['time']));
780
781	return $return;
782	}
783
784
785	- /**
786	- * Activation
787	- */
788	- public function activation()
789	- {
790	- add_option('mc_options', $this->defaults, '', 'no');
791	- }
792	-
793	-
794	- /**
795	- * Deactivation
796	- */
797	- public function deactivation()
798	- {
799	- if($this->options['deactivation_delete'] === TRUE)
800	- delete_option('mc_options');
801	- }
802	-
803	-
804	/**
805	* Load defaults
806	*/
807	public function load_defaults()
808	{
809	- $this->~~err_msg~~ = array(
810	'fill' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Please enter captcha value.', 'math-captcha'),
811	'wrong' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Invalid captcha value.', 'math-captcha'),
812	'time' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Captcha time expired.', 'math-captcha')
	@@ -846,15 +908,15 @@ class Math_Captcha
846	public function register_settings()
847	{
848	//inline edit
849	- register_setting('~~mc_options~~', '~~mc_options~~', array(&$this, 'validate_configuration'));
850	- add_settings_section('math_captcha_settings', __('Math Captcha settings', 'math-captcha'), '', '~~mc_options~~');
851	- add_settings_field('mc_enable_for', __('Enable Math Captcha for', 'math-captcha'), array(&$this, 'mc_enable_captcha_for'), '~~mc_options~~', 'math_captcha_settings');
852	- add_settings_field('mc_hide_for_logged_users', __('Hide for logged in users', 'math-captcha'), array(&$this, 'mc_hide_for_logged_users'), '~~mc_options~~', 'math_captcha_settings');
853	- add_settings_field('mc_mathematical_operations', __('Mathematical operations', 'math-captcha'), array(&$this, 'mc_mathematical_operations'), '~~mc_options~~', 'math_captcha_settings');
854	- add_settings_field('mc_groups', __('Display captcha as', 'math-captcha'), array(&$this, 'mc_groups'), '~~mc_options~~', 'math_captcha_settings');
855	- add_settings_field('mc_title', __('Captcha field title', 'math-captcha'), array(&$this, 'mc_title'), '~~mc_options~~', 'math_captcha_settings');
856	- add_settings_field('mc_time', __('Captcha time', 'math-captcha'), array(&$this, 'mc_time'), '~~mc_options~~', 'math_captcha_settings');
857	- add_settings_field('mc_deactivation_delete', __('Deactivation', 'math-captcha'), array(&$this, 'mc_deactivation_delete'), '~~mc_options~~', 'math_captcha_settings');
858	}
859
860
	@@ -869,7 +931,7 @@ class Math_Captcha
869	foreach($this->enable_for as $val => $trans)
870	{
871	echo '
872	- <input id="mc-enable-for-'.$val.'" type="checkbox" name="~~mc_options~~[enable_for][]" value="'.$val.'" '.checked(TRUE, $this->options['enable_for'][$val], FALSE).' '.disabled((($val === 'contact_form_7' && !is_plugin_active('contact-form-7/wp-contact-form-7.php')) \|\| ($val === 'bbpress' && !is_plugin_active('bbpress/bbpress.php'))), TRUE, FALSE).' />
873	<label for="mc-enable-for-'.$val.'">'.$trans.'</label>';
874	}
875
	@@ -890,7 +952,7 @@ class Math_Captcha
890	foreach($this->choices as $val => $trans)
891	{
892	echo '
893	- <input id="mc-hide-for-logged-'.$val.'" type="radio" name="~~mc_options~~[hide_for_logged_users]" value="'.$val.'" '.checked(($val === 'yes' ? TRUE : FALSE), $this->options['hide_for_logged_users'], FALSE).' />
894	<label for="mc-hide-for-logged-'.$val.'">'.$trans.'</label>';
895	}
896
	@@ -907,7 +969,7 @@ class Math_Captcha
907	{
908	echo '
909	<div>
910	- <input type="text" name="~~mc_options~~[title]" value="'.$this->options['title'].'" />
911	<p class="description">'.__('How to entitle field with captcha?', 'math-captcha').'</p>
912	</div>';
913	}
	@@ -920,7 +982,7 @@ class Math_Captcha
920	{
921	echo '
922	<div>
923	- <input type="text" name="~~mc_options~~[time]" value="'.$this->options['time'].'" />
924	<p class="description">'.__('Enter the time (in seconds) a user has to enter captcha value.', 'math-captcha').'</p>
925	</div>';
926	}
	@@ -937,7 +999,7 @@ class Math_Captcha
937	foreach($this->choices as $val => $trans)
938	{
939	echo '
940	- <input id="mc-deactivation-delete-'.$val.'" type="radio" name="~~mc_options~~[deactivation_delete]" value="'.$val.'" '.checked(($val === 'yes' ? TRUE : FALSE), $this->options['deactivation_delete'], FALSE).' />
941	<label for="mc-deactivation-delete-'.$val.'">'.$trans.'</label>';
942	}
943
	@@ -958,7 +1020,7 @@ class Math_Captcha
958	foreach($this->mathematical_operations as $val => $trans)
959	{
960	echo '
961	- <input id="mc-mathematical-operations-'.$val.'" type="checkbox" name="~~mc_options~~[mathematical_operations][]" value="'.$val.'" '.checked(TRUE, $this->options['mathematical_operations'][$val], FALSE).' />
962	<label for="mc-mathematical-operations-'.$val.'">'.$trans.'</label>';
963	}
964
	@@ -979,7 +1041,7 @@ class Math_Captcha
979	foreach($this->groups as $val => $trans)
980	{
981	echo '
982	- <input id="mc-groups-'.$val.'" type="checkbox" name="~~mc_options~~[groups][]" value="'.$val.'" '.checked(TRUE, $this->options['groups'][$val], FALSE).' />
983	<label for="mc-groups-'.$val.'">'.$trans.'</label>';
984	}
985
	@@ -994,7 +1056,7 @@ class Math_Captcha
994	*/
995	public function validate_configuration($input)
996	{
997	- if(isset($_POST['~~save_mc_options~~']))
998	{
999	$enable_for = array();
1000	$mathematical_operations = array();
	@@ -1002,7 +1064,7 @@ class Math_Captcha
1002
1003	if(empty($input['enable_for']))
1004	{
1005	- foreach($this->defaults['enable_for'] as $enable => $bool)
1006	{
1007	$input['enable_for'][$enable] = FALSE;
1008	}
	@@ -1017,17 +1079,17 @@ class Math_Captcha
1017	$input['enable_for'] = $enable_for;
1018	}
1019
1020	- if(!is_plugin_active('contact-form-7/wp-contact-form-7.php') && $this->options['enable_for']['contact_form_7'] === TRUE)
1021	$input['enable_for']['contact_form_7'] = TRUE;
1022
1023	- if(!is_plugin_active('bbpress/bbpress.php') && $this->options['enable_for']['bbpress'] === TRUE)
1024	$input['enable_for']['bbpress'] = TRUE;
1025
1026	if(empty($input['mathematical_operations']))
1027	{
1028	add_settings_error('empty-operations', 'settings_updated', __('You need to check at least one mathematical operation. Defaults settings of this option restored.', 'math-captcha'), 'error');
1029
1030	- $input['mathematical_operations'] = $this->defaults['mathematical_operations'];
1031	}
1032	else
1033	{
	@@ -1043,7 +1105,7 @@ class Math_Captcha
1043	{
1044	add_settings_error('empty-groups', 'settings_updated', __('You need to check at least one group. Defaults settings of this option restored.', 'math-captcha'), 'error');
1045
1046	- $input['groups'] = $this->defaults['groups'];
1047	}
1048	else
1049	{
	@@ -1055,14 +1117,14 @@ class Math_Captcha
1055	$input['groups'] = $groups;
1056	}
1057
1058	- $input['hide_for_logged_users'] = (isset($input['hide_for_logged_users']) && in_array($input['hide_for_logged_users'], array_keys($this->choices)) ? ($input['hide_for_logged_users'] === 'yes' ? TRUE : FALSE) : $this->defaults['hide_for_logged_users']);
1059
1060	- $input['deactivation_delete'] = (isset($input['deactivation_delete']) && in_array($input['deactivation_delete'], array_keys($this->choices)) ? ($input['deactivation_delete'] === 'yes' ? TRUE : FALSE) : $this->options['deactivation_delete']);
1061
1062	$input['title'] = trim(sanitize_text_field($input['title']));
1063
1064	$time = (int)$input['time'];
1065	- $input['time'] = ($time < 0 ? $this->defaults['time'] : $time);
1066	}
1067
1068	return $input;
	@@ -1096,9 +1158,9 @@ class Math_Captcha
1096	<form action="options.php" method="post">';
1097
1098	wp_nonce_field('update-options');
1099	- settings_fields('~~mc_options~~');
1100	- do_settings_sections('~~mc_options~~');
1101	- submit_button('', 'primary', '~~save_mc_options~~', TRUE);
1102
1103	echo '
1104	</form>
	@@ -1194,6 +1256,4 @@ class Math_Captcha
1194	return $links;
1195	}
1196	}
1197	-
1198	- $math_captcha = new Math_Captcha();
1199	?>


2	/*
3	Plugin Name: Math Captcha
4	Description: Math Captcha is a <strong>100% effective CAPTCHA for WordPress</strong> that integrates into login, registration, comments, Contact Form 7 and bbPress.
5	+ Version: 1.0.9
6	Author: dFactory
7	Author URI: http://www.dfactory.eu/
8	Plugin URI: http://www.dfactory.eu/plugins/math-captcha/

19	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20	*/
21
22	+ if(!defined('ABSPATH')) exit; //exit if accessed directly
23	+
24	+ new Math_Captcha();
25
26	class Math_Captcha
27	{
28	private $defaults = array(
29	+ 'general' => array(
30	+ 'enable_for' => array(
31	+ 'login_form' => FALSE,
32	+ 'registration_form' => TRUE,
33	+ 'reset_password_form' => TRUE,
34	+ 'comment_form' => TRUE,
35	+ 'bbpress' => FALSE,
36	+ 'contact_form_7' => FALSE
37	+ ),
38	+ 'hide_for_logged_users' => TRUE,
39	+ 'title' => 'Math Captcha',
40	+ 'mathematical_operations' => array(
41	+ 'addition' => TRUE,
42	+ 'subtraction' => TRUE,
43	+ 'multiplication' => FALSE,
44	+ 'division' => FALSE
45	+ ),
46	+ 'groups' => array(
47	+ 'numbers' => TRUE,
48	+ 'words' => FALSE
49	+ ),
50	+ 'time' => 300,
51	+ 'deactivation_delete' => FALSE
52	),
53	+ 'version' => '1.0.9'





54	);
55	+ private $session_ids = array();
56	+ private $session_number = 0;
57	private $options = array();
58	private $choices = array();
59	private $enable_for = array();

61	private $groups = array();
62	private $error_messages = array();
63	private $errors;



64
65
66	public function __construct()

68	register_activation_hook(__FILE__, array(&$this, 'activation'));
69	register_deactivation_hook(__FILE__, array(&$this, 'deactivation'));
70
71	+ //changes from older versions
72	+ $db_version = get_option('math_captcha_version');
73	+
74	+ if(version_compare(($db_version === FALSE ? '1.0.0' : $db_version), '1.0.9', '<'))
75	+ {
76	+ if(($array = get_option('mc_options')) !== FALSE)
77	+ {
78	+ update_option('math_captcha_options', $array);
79	+ delete_option('mc_options');
80	+ }
81	+ }
82	+
83	+ $this->options['general'] = array_merge($this->defaults['general'], (($array = get_option('math_captcha_options')) === FALSE ? array() : $array));
84
85	//actions
86	add_action('plugins_loaded', array(&$this, 'init_mc_session'), 1);

98	}
99
100
101	+ /**
102	+ * Activation
103	+ */
104	+ public function activation()
105	+ {
106	+ add_option('math_captcha_options', $this->defaults['general'], '', 'no');
107	+ update_option('math_captcha_version', $this->defaults['version'], '', 'no');
108	+ }
109	+
110	+
111	+ /**
112	+ * Deactivation
113	+ */
114	+ public function deactivation()
115	+ {
116	+ if($this->options['general']['deactivation_delete'] === TRUE)
117	+ {
118	+ delete_option('math_captcha_options');
119	+ delete_option('math_captcha_version');
120	+ }
121	+ }
122	+
123	+
124	+ /**
125	+ * Gets error messages
126	+ */
127	+ public function get_error_messages($error)
128	+ {
129	+ return $this->error_messages[$error];
130	+ }
131	+
132	+
133	+ /**
134	+ * Gets options
135	+ */
136	+ public function get_options($option)
137	+ {
138	+ return $this->options['general'][$option];
139	+ }
140	+
141	+
142	+ /**
143	+ * Gets session's ID
144	+ */
145	+ public function get_session_id($number = 0)
146	+ {
147	+ return $this->session_ids['multi'][$number];
148	+ }
149	+
150	+
151	+ /**
152	+ * Gets session's number for Contact Form 7 multi instances
153	+ */
154	+ public function get_session_number()
155	+ {
156	+ return $this->session_number;
157	+ }
158	+
159	+
160	/**
161	* Loads required filters
162	*/

165	global $pagenow;
166
167	//comments
168	+ if($this->options['general']['enable_for']['comment_form'] === TRUE)
169	{
170	if(!is_user_logged_in())
171	add_action('comment_form_after_fields', array(&$this, 'add_captcha_form'));
172	else
173	{
174	+ if($this->options['general']['hide_for_logged_users'] === FALSE)
175	{
176	add_action('comment_form_logged_in_after', array(&$this, 'add_captcha_form'));
177	}

185	{
186	$action = (isset($_GET['action']) && $_GET['action'] !== '' ? $_GET['action'] : NULL);
187
188	+ if($this->options['general']['enable_for']['registration_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['general']['hide_for_logged_users'] === FALSE)) && $action === 'register')
189	{
190	add_action('register_form', array(&$this, 'add_captcha_form'));
191	add_action('register_post', array(&$this, 'add_user_with_captcha'), 10, 3);

193	add_filter('wpmu_validate_user_signup', array(&$this, 'validate_user_with_captcha'));
194	}
195
196	+ if($this->options['general']['enable_for']['reset_password_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['general']['hide_for_logged_users'] === FALSE)) && $action === 'lostpassword')
197	{
198	add_action('lostpassword_form', array(&$this, 'add_captcha_form'));
199	add_action('lostpassword_post', array(&$this, 'check_lost_password_with_captcha'));
200	}
201
202	+ if($this->options['general']['enable_for']['login_form'] === TRUE && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['general']['hide_for_logged_users'] === FALSE)) && $action === NULL)
203	{
204	add_action('login_form', array(&$this, 'add_captcha_form'));
205	add_filter('login_redirect', array(&$this, 'redirect_login_with_captcha'), 10, 3);

207	}
208
209	//bbPress
210	+ if($this->options['general']['enable_for']['bbpress'] === TRUE)
211	{
212	include_once(ABSPATH.'wp-admin/includes/plugin.php');
213
214	+ if(is_plugin_active('bbpress/bbpress.php') && (!is_user_logged_in() \|\| (is_user_logged_in() && $this->options['general']['hide_for_logged_users'] === FALSE)))
215	{
216	add_action('bbp_theme_after_reply_form_content', array(&$this, 'add_bbp_captcha_form'));
217	add_action('bbp_theme_after_topic_form_content', array(&$this, 'add_bbp_captcha_form'));

221	}
222
223	//Contact Form 7
224	+ if($this->options['general']['enable_for']['contact_form_7'] === TRUE)
225	{
226	include_once(ABSPATH.'wp-admin/includes/plugin.php');
227

236	}
237
238




















239	/**
240	* Validates lost password form
241	*/

248	//checks captcha
249	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
250	{
251	+ if($this->session_ids['default'] !== '' && get_transient('mc_'.$this->session_ids['default']) !== FALSE)
252	{
253	+ if(strcmp(get_transient('mc_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) !== 0)
254	+ $this->errors->add('math-captcha-error', $this->error_messages['wrong']);
255	}
256	else
257	+ $this->errors->add('math-captcha-error', $this->error_messages['time']);
258	}
259	else
260	+ $this->errors->add('math-captcha-error', $this->error_messages['fill']);
261
262	//checks user_login (from wp-login.php)
263	if(empty($_POST['user_login']))

312	{
313	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
314	{
315	+ if($this->session_ids['default'] !== '' && get_transient('mc_'.$this->session_ids['default']) !== FALSE)
316	{
317	+ if(strcmp(get_transient('mc_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) !== 0)
318	+ $errors->add('math-captcha-error', $this->error_messages['wrong']);
319	}
320	else
321	+ $errors->add('math-captcha-error', $this->error_messages['time']);
322	}
323	else
324	+ $errors->add('math-captcha-error', $this->error_messages['fill']);
325
326	return $errors;
327	}
328
329
330	+ /**
331	+ * Validates register form
332	+ */
333	+ public function validate_user_with_captcha($result)
334	+ {
335	+ if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
336	+ {
337	+ if($this->session_ids['default'] !== '' && get_transient('mc_'.$this->session_ids['default']) !== FALSE)
338	+ {
339	+ if(strcmp(get_transient('mc_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) !== 0)
340	+ $results['errors']->add('math-captcha-error', $this->error_messages['wrong']);
341	+ }
342	+ else
343	+ $results['errors']->add('math-captcha-error', $this->error_messages['time']);
344	+ }
345	+ else
346	+ $results['errors']->add('math-captcha-error', $this->error_messages['fill']);
347	+
348	+ return $results;
349	+ }
350	+
351	+
352	/**
353	* Posts login form
354	*/

359
360	if(isset($_GET['captcha']) && in_array($_GET['captcha'], array('fill', 'wrong', 'time'), TRUE))
361	{
362	+ $errors->add('math-captcha-error', $this->error_messages[$_GET['captcha']]);
363	}
364
365	if(!empty($_POST))
366	{
367	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
368	{
369	+ if($this->session_ids['default'] !== '' && get_transient('mc_'.$this->session_ids['default']) !== FALSE)
370	{
371	+ if(strcmp(get_transient('mc_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) !== 0)
372	{
373	+ $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->error_messages['wrong']));
374	$act = 'wrong';
375	}
376	}
377	else
378	{
379	+ $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->error_messages['time']));
380	$act = 'time';
381	}
382	}
383	else
384	{
385	+ $error = (!is_wp_error($errors) ? TRUE : $errors->add('math-captcha-error', $this->error_messages['fill']));
386	$act = 'fill';
387	}
388	}

408	}
409
410






















411	/**
412	* Adds captcha to comment form
413	*/

417	{
418	if($_POST['mc-value'] !== '')
419	{
420	+ if($this->session_ids['default'] !== '' && get_transient('mc_'.$this->session_ids['default']) !== FALSE)
421	{
422	+ if(strcmp(get_transient('mc_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) === 0)
423	return $comment;
424	else
425	+ wp_die($this->error_messages['wrong']);
426	}
427	else
428	+ wp_die($this->error_messages['time']);
429	}
430	else
431	+ wp_die($this->error_messages['fill']);
432	}
433	else
434	return $comment;

440	*/
441	public function init_mc_session()
442	{
443	+ if(isset($_COOKIE['mc_session_ids']))
444	+ $this->session_ids = $_COOKIE['mc_session_ids'];
445	else
446	+ {
447	+ foreach(array('default', 'multi') as $place)
448	+ {
449	+ switch($place)
450	+ {
451	+ case 'multi':
452	+ for($i = 0; $i < 5; $i++)
453	+ {
454	+ $this->session_ids[$place][$i] = sha1(wp_generate_password(64, FALSE, FALSE));
455	+ }
456	+ break;
457	+
458	+ case 'default':
459	+ $this->session_ids[$place] = sha1(wp_generate_password(64, FALSE, FALSE));
460	+ break;
461	+ }
462	+ }
463	+ }
464
465	+ setcookie('mc_session_ids[default]', $this->session_ids['default'], current_time('timestamp', TRUE) + apply_filters('math_captcha_time', $this->options['general']['time']), COOKIEPATH, COOKIE_DOMAIN);
466	+
467	+ for($i = 0; $i < 5; $i++)
468	+ {
469	+ setcookie('mc_session_ids[multi]['.$i.']', $this->session_ids['multi'][$i], current_time('timestamp', TRUE) + apply_filters('math_captcha_time', $this->options['general']['time']), COOKIEPATH, COOKIE_DOMAIN);
470	+ }
471	}
472
473

479	if(is_admin())
480	return;
481
482	+ $captcha_title = apply_filters('math_captcha_title', $this->options['general']['title']);
483
484	echo '
485	<p class="math-captcha-form">';

502	if(is_admin())
503	return;
504
505	+ $captcha_title = apply_filters('math_captcha_title', $this->options['general']['title']);
506
507	echo '
508	<p class="math-captcha-form">';

524	{
525	if(isset($_POST['mc-value']) && $_POST['mc-value'] !== '')
526	{
527	+ if($this->session_ids['default'] !== '' && get_transient('bbp_'.$this->session_ids['default']) !== FALSE)
528	{
529	+ if(strcmp(get_transient('bbp_'.$this->session_ids['default']), sha1(AUTH_KEY.$_POST['mc-value'].$this->session_ids['default'], FALSE)) !== 0)
530	+ bbp_add_error('math-captcha-wrong', $this->error_messages['wrong']);
531	}
532	else
533	+ bbp_add_error('math-captcha-wrong', $this->error_messages['time']);
534	}
535	else
536	+ bbp_add_error('math-captcha-wrong', $this->error_messages['fill']);
537	}
538
539

646	);
647
648	$operations = $groups = array();
649	+ $input = '<input type="text" size="2" length="2" id="mc-input" name="mc-value" value="" aria-required="true" />';
650
651	//available operations
652	+ foreach($this->options['general']['mathematical_operations'] as $operation => $enable)
653	{
654	if($enable === TRUE)
655	$operations[] = $operation;
656	}
657
658	//available groups
659	+ foreach($this->options['general']['groups'] as $group => $enable)
660	{
661	if($enable === TRUE)
662	$groups[] = $group;

672	//place where to put empty input
673	$rnd_input = mt_rand(0, 2);
674
675	+ //which random operation
676	switch($rnd_op)
677	{
678	case 'addition':

828	$return = $this->encode_operation($number[0]).' '.$number[3].' '.$this->encode_operation($number[1]).' = '.$input;
829
830	$transient_name = ($form === 'bbpress' ? 'bbp' : 'mc');
831	+ $session_id = $this->session_ids['default'];
832	}
833	elseif($form === 'cf7')
834	{

854	}
855
856	$transient_name = 'cf7';
857	+ $session_id = $this->session_ids['multi'][$this->session_number++];
858	}
859
860	+ set_transient($transient_name.'_'.$session_id, sha1(AUTH_KEY.$number[$rnd_input].$session_id, FALSE), apply_filters('math_captcha_time', $this->options['general']['time']));
861
862	return $return;
863	}
864
865



















866	/**
867	* Load defaults
868	*/
869	public function load_defaults()
870	{
871	+ $this->error_messages = array(
872	'fill' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Please enter captcha value.', 'math-captcha'),
873	'wrong' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Invalid captcha value.', 'math-captcha'),
874	'time' => '<strong>'. __('ERROR', 'math-captcha').'</strong>: '.__('Captcha time expired.', 'math-captcha')

908	public function register_settings()
909	{
910	//inline edit
911	+ register_setting('math_captcha_options', 'math_captcha_options', array(&$this, 'validate_configuration'));
912	+ add_settings_section('math_captcha_settings', __('Math Captcha settings', 'math-captcha'), '', 'math_captcha_options');
913	+ add_settings_field('mc_enable_for', __('Enable Math Captcha for', 'math-captcha'), array(&$this, 'mc_enable_captcha_for'), 'math_captcha_options', 'math_captcha_settings');
914	+ add_settings_field('mc_hide_for_logged_users', __('Hide for logged in users', 'math-captcha'), array(&$this, 'mc_hide_for_logged_users'), 'math_captcha_options', 'math_captcha_settings');
915	+ add_settings_field('mc_mathematical_operations', __('Mathematical operations', 'math-captcha'), array(&$this, 'mc_mathematical_operations'), 'math_captcha_options', 'math_captcha_settings');
916	+ add_settings_field('mc_groups', __('Display captcha as', 'math-captcha'), array(&$this, 'mc_groups'), 'math_captcha_options', 'math_captcha_settings');
917	+ add_settings_field('mc_title', __('Captcha field title', 'math-captcha'), array(&$this, 'mc_title'), 'math_captcha_options', 'math_captcha_settings');
918	+ add_settings_field('mc_time', __('Captcha time', 'math-captcha'), array(&$this, 'mc_time'), 'math_captcha_options', 'math_captcha_settings');
919	+ add_settings_field('mc_deactivation_delete', __('Deactivation', 'math-captcha'), array(&$this, 'mc_deactivation_delete'), 'math_captcha_options', 'math_captcha_settings');
920	}
921
922

931	foreach($this->enable_for as $val => $trans)
932	{
933	echo '
934	+ <input id="mc-enable-for-'.$val.'" type="checkbox" name="math_captcha_options[enable_for][]" value="'.$val.'" '.checked(TRUE, $this->options['general']['enable_for'][$val], FALSE).' '.disabled((($val === 'contact_form_7' && !is_plugin_active('contact-form-7/wp-contact-form-7.php')) \|\| ($val === 'bbpress' && !is_plugin_active('bbpress/bbpress.php'))), TRUE, FALSE).' />
935	<label for="mc-enable-for-'.$val.'">'.$trans.'</label>';
936	}
937

952	foreach($this->choices as $val => $trans)
953	{
954	echo '
955	+ <input id="mc-hide-for-logged-'.$val.'" type="radio" name="math_captcha_options[hide_for_logged_users]" value="'.$val.'" '.checked(($val === 'yes' ? TRUE : FALSE), $this->options['general']['hide_for_logged_users'], FALSE).' />
956	<label for="mc-hide-for-logged-'.$val.'">'.$trans.'</label>';
957	}
958

969	{
970	echo '
971	<div>
972	+ <input type="text" name="math_captcha_options[title]" value="'.$this->options['general']['title'].'" />
973	<p class="description">'.__('How to entitle field with captcha?', 'math-captcha').'</p>
974	</div>';
975	}

982	{
983	echo '
984	<div>
985	+ <input type="text" name="math_captcha_options[time]" value="'.$this->options['general']['time'].'" />
986	<p class="description">'.__('Enter the time (in seconds) a user has to enter captcha value.', 'math-captcha').'</p>
987	</div>';
988	}

999	foreach($this->choices as $val => $trans)
1000	{
1001	echo '
1002	+ <input id="mc-deactivation-delete-'.$val.'" type="radio" name="math_captcha_options[deactivation_delete]" value="'.$val.'" '.checked(($val === 'yes' ? TRUE : FALSE), $this->options['general']['deactivation_delete'], FALSE).' />
1003	<label for="mc-deactivation-delete-'.$val.'">'.$trans.'</label>';
1004	}
1005

1020	foreach($this->mathematical_operations as $val => $trans)
1021	{
1022	echo '
1023	+ <input id="mc-mathematical-operations-'.$val.'" type="checkbox" name="math_captcha_options[mathematical_operations][]" value="'.$val.'" '.checked(TRUE, $this->options['general']['mathematical_operations'][$val], FALSE).' />
1024	<label for="mc-mathematical-operations-'.$val.'">'.$trans.'</label>';
1025	}
1026

1041	foreach($this->groups as $val => $trans)
1042	{
1043	echo '
1044	+ <input id="mc-groups-'.$val.'" type="checkbox" name="math_captcha_options[groups][]" value="'.$val.'" '.checked(TRUE, $this->options['general']['groups'][$val], FALSE).' />
1045	<label for="mc-groups-'.$val.'">'.$trans.'</label>';
1046	}
1047

1056	*/
1057	public function validate_configuration($input)
1058	{
1059	+ if(isset($_POST['save_math_captcha_options']))
1060	{
1061	$enable_for = array();
1062	$mathematical_operations = array();

1064
1065	if(empty($input['enable_for']))
1066	{
1067	+ foreach($this->defaults['general']['enable_for'] as $enable => $bool)
1068	{
1069	$input['enable_for'][$enable] = FALSE;
1070	}

1079	$input['enable_for'] = $enable_for;
1080	}
1081
1082	+ if(!is_plugin_active('contact-form-7/wp-contact-form-7.php') && $this->options['general']['enable_for']['contact_form_7'] === TRUE)
1083	$input['enable_for']['contact_form_7'] = TRUE;
1084
1085	+ if(!is_plugin_active('bbpress/bbpress.php') && $this->options['general']['enable_for']['bbpress'] === TRUE)
1086	$input['enable_for']['bbpress'] = TRUE;
1087
1088	if(empty($input['mathematical_operations']))
1089	{
1090	add_settings_error('empty-operations', 'settings_updated', __('You need to check at least one mathematical operation. Defaults settings of this option restored.', 'math-captcha'), 'error');
1091
1092	+ $input['mathematical_operations'] = $this->defaults['general']['mathematical_operations'];
1093	}
1094	else
1095	{

1105	{
1106	add_settings_error('empty-groups', 'settings_updated', __('You need to check at least one group. Defaults settings of this option restored.', 'math-captcha'), 'error');
1107
1108	+ $input['groups'] = $this->defaults['general']['groups'];
1109	}
1110	else
1111	{

1117	$input['groups'] = $groups;
1118	}
1119
1120	+ $input['hide_for_logged_users'] = (isset($input['hide_for_logged_users']) && in_array($input['hide_for_logged_users'], array_keys($this->choices)) ? ($input['hide_for_logged_users'] === 'yes' ? TRUE : FALSE) : $this->defaults['general']['hide_for_logged_users']);
1121
1122	+ $input['deactivation_delete'] = (isset($input['deactivation_delete']) && in_array($input['deactivation_delete'], array_keys($this->choices)) ? ($input['deactivation_delete'] === 'yes' ? TRUE : FALSE) : $this->options['general']['deactivation_delete']);
1123
1124	$input['title'] = trim(sanitize_text_field($input['title']));
1125
1126	$time = (int)$input['time'];
1127	+ $input['time'] = ($time < 0 ? $this->defaults['general']['time'] : $time);
1128	}
1129
1130	return $input;

1158	<form action="options.php" method="post">';
1159
1160	wp_nonce_field('update-options');
1161	+ settings_fields('math_captcha_options');
1162	+ do_settings_sections('math_captcha_options');
1163	+ submit_button('', 'primary', 'save_math_captcha_options', TRUE);
1164
1165	echo '
1166	</form>

1256	return $links;
1257	}
1258	}


1259	?>