ActionItem146: added inverse_captcha plugin

git-svn-id: https://svn.colivre.coop.br/svn/noosfero/trunk@1609 3f533792-8f58-4932-b0fe-aaf55b0a4547

ActionItem146: added inverse_captcha plugin
git-svn-id: https://svn.colivre.coop.br/svn/noosfero/trunk@1609 3f533792-8f58-4932-b0fe-aaf55b0a4547
JoenioCosta
1 parent 72b0a334
Showing 4 changed files with 61 additions and 0 deletions Show diff stats
vendor/plugins/inverse_captcha/README
vendor/plugins/inverse_captcha/init.rb
vendor/plugins/inverse_captcha/lib/inverse_captcha.rb
vendor/plugins/inverse_captcha/lib/inverse_captcha_helper.rb
@@ -0,0 +1,29 @@
+InverseCaptcha
+==============
+
+Implement simple Anti-Comment-Spam Technique.
+
+Basic Usage
+===========
+
+Add method inverse_captcha on controller:
+
+ps.: dont use this method more than once time on same controller.
+
+  inverse_captcha :field => 'e-mail'[, class => 'ghost']
+
+Add the field in view form:
+
+  <%= icaptcha_field() %>
+
+Check if field is blank in your controller:
+
+  if params[controller.icaptcha_field].blank?
+    do...
+  else
+    dont...
+  end
+
+---
+Joenio Costa <joenio@colivre.coop.br>
+Qui Mar 27 15:48:12 BRT 2008
@@ -0,0 +1,3 @@
+ActionController::Base.extend(InverseCaptcha::ClassMethods)
+ActionController::Base.send(:include, InverseCaptcha::InstanceMethods)
+ActionView::Base.send(:include, InverseCaptchaHelper)
@@ -0,0 +1,18 @@
+module InverseCaptcha
+
+  module ClassMethods
+    def inverse_captcha(opt = {})
+      InverseCaptcha.const_set("ICAPTCHA_FIELD", opt[:field])
+      InverseCaptcha.const_set("ICAPTCHA_LABEL", opt[:label] || N_("Don't fill this field"))
+      InverseCaptcha.const_set("ICAPTCHA_STYLECLASS", opt[:class] || 'ghost')
+      self.send(:include, InverseCaptcha)
+    end
+  end
+
+  module InstanceMethods 
+    def icaptcha_field
+      ICAPTCHA_FIELD
+    end
+  end
+
+end
@@ -0,0 +1,11 @@
+module InverseCaptchaHelper
+
+  def icaptcha_field(opt = {})
+    label = controller.class::ICAPTCHA_LABEL
+    field = controller.class::ICAPTCHA_FIELD
+    opt.merge!({:class => controller.class::ICAPTCHA_STYLECLASS})
+    stylesheet = "<style type='text/css'> span.#{opt[:class]} { display: none; } </style>"
+    stylesheet + content_tag('span', labelled_form_field(_(label), text_field_tag(field, nil)), opt)
+  end
+
+end
@@ -0,0 +1,29 @@		@@ -0,0 +1,29 @@
	1	+InverseCaptcha
	2	+==============
	3	+
	4	+Implement simple Anti-Comment-Spam Technique.
	5	+
	6	+Basic Usage
	7	+===========
	8	+
	9	+Add method inverse_captcha on controller:
	10	+
	11	+ps.: dont use this method more than once time on same controller.
	12	+
	13	+ inverse_captcha :field => 'e-mail'[, class => 'ghost']
	14	+
	15	+Add the field in view form:
	16	+
	17	+ <%= icaptcha_field() %>
	18	+
	19	+Check if field is blank in your controller:
	20	+
	21	+ if params[controller.icaptcha_field].blank?
	22	+ do...
	23	+ else
	24	+ dont...
	25	+ end
	26	+
	27	+---
	28	+Joenio Costa <joenio@colivre.coop.br>
	29	+Qui Mar 27 15:48:12 BRT 2008
@@ -0,0 +1,3 @@		@@ -0,0 +1,3 @@
	1	+ActionController::Base.extend(InverseCaptcha::ClassMethods)
	2	+ActionController::Base.send(:include, InverseCaptcha::InstanceMethods)
	3	+ActionView::Base.send(:include, InverseCaptchaHelper)
@@ -0,0 +1,18 @@		@@ -0,0 +1,18 @@
	1	+module InverseCaptcha
	2	+
	3	+ module ClassMethods
	4	+ def inverse_captcha(opt = {})
	5	+ InverseCaptcha.const_set("ICAPTCHA_FIELD", opt[:field])
	6	+ InverseCaptcha.const_set("ICAPTCHA_LABEL", opt[:label] \|\| N_("Don't fill this field"))
	7	+ InverseCaptcha.const_set("ICAPTCHA_STYLECLASS", opt[:class] \|\| 'ghost')
	8	+ self.send(:include, InverseCaptcha)
	9	+ end
	10	+ end
	11	+
	12	+ module InstanceMethods
	13	+ def icaptcha_field
	14	+ ICAPTCHA_FIELD
	15	+ end
	16	+ end
	17	+
	18	+end
@@ -0,0 +1,11 @@		@@ -0,0 +1,11 @@
	1	+module InverseCaptchaHelper
	2	+
	3	+ def icaptcha_field(opt = {})
	4	+ label = controller.class::ICAPTCHA_LABEL
	5	+ field = controller.class::ICAPTCHA_FIELD
	6	+ opt.merge!({:class => controller.class::ICAPTCHA_STYLECLASS})
	7	+ stylesheet = "<style type='text/css'> span.#{opt[:class]} { display: none; } </style>"
	8	+ stylesheet + content_tag('span', labelled_form_field(_(label), text_field_tag(field, nil)), opt)
	9	+ end
	10	+
	11	+end