From 8405c586f03a2a0a6271b5edd5ba9361f768da6a Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@rc-d.net>
Date: Thu, 3 Nov 2016 11:58:06 -0400
Subject: [PATCH] Add @iamwebrocker PR #18 which adds honeypot option to
 comments form

---
 .../FieldtypeComments/CommentForm.php         | 38 ++++++++++++++++++-
 .../Fieldtype/FieldtypeComments/comments.css  |  4 ++
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/wire/modules/Fieldtype/FieldtypeComments/CommentForm.php b/wire/modules/Fieldtype/FieldtypeComments/CommentForm.php
index 492b20be..ced12138 100644
--- a/wire/modules/Fieldtype/FieldtypeComments/CommentForm.php
+++ b/wire/modules/Fieldtype/FieldtypeComments/CommentForm.php
@@ -108,7 +108,11 @@ class CommentForm extends Wire implements CommentFormInterface {
 
 		// the name of a field that must be set (and have any non-blank value), typically set in Javascript to keep out spammers
 		// to use it, YOU must set this with a <input hidden> field from your own javascript, somewhere in the form
-		'requireSecurityField' => '', 
+		'requireSecurityField' => '',
+
+		// the name of a field that must NOT be set 
+		// creates an input field that a (human) visitor should ignore, maybe hiding it with css is a good idea
+		'requireHoneypotField' => '',
 
 		// should a redirect be performed immediately after a comment is successfully posted?
 		'redirectAfterPost' => null, // null=unset (must be set to true to enable)
@@ -254,7 +258,10 @@ class CommentForm extends Wire implements CommentFormInterface {
 		$attrs = $options['attrs'];
 		$id = $attrs['id'];
 		$submitKey = $id . "_submit";
+		$honeypot = $options['requireHoneypotField'];
 		$inputValues = array('cite' => '', 'email' => '', 'website' => '', 'stars' => '', 'text' => '', 'notify' => '');
+		if($honeypot) $inputValues[$honeypot] = '';
+		
 		$user = $this->wire('user'); 
 
 		if($user->isLoggedin()) {
@@ -366,6 +373,18 @@ class CommentForm extends Wire implements CommentFormInterface {
 				"\n\t</p>";
 		}
 
+		// do we need to show the honeypot field?
+		$honeypot = $this->options['requireHoneypotField'];
+		if($honeypot) {
+			$honeypotLabel = isset($labels[$honeypot]) ? $labels[$honeypot] : '';
+			$honeypotValue = isset($inputValues[$honeypot]) ? $inputValues[$honeypot] : '';
+			$form .=
+				"\n\t<p class='CommentFormHP {$id}_hp'>" .
+				"\n\t\t<label for='{$id}_$honeypot'>$honeypotLabel</label>" .
+				"\n\t\t<input type='text' id='{$id}_$honeypot' name='$honeypot' value='$honeypotValue' size='3' />" .
+				"\n\t</p>";
+		}
+
 		$form .=
 			"\n\t<p class='CommentFormText {$id}_text'>" .
 			"\n\t\t<label for='{$id}_text'>$labels[text]</label>" .
@@ -427,6 +446,19 @@ class CommentForm extends Wire implements CommentFormInterface {
 				"\n\t</p>";
 		}
 
+		// do we need to show the honeypot field?
+		$honeypot = $this->options['requireHoneypotField'];
+		if($honeypot) {
+			$honeypotLabel = isset($labels[$honeypot]) ? $labels[$honeypot] : '';
+			$honeypotValue = isset($inputValues[$honeypot]) ? $inputValues[$honeypot] : '';
+			$form .=
+				"\n\t<p class='CommentFormHP {$id}_hp'>" .
+				"\n\t\t<label><span>$honeypotLabel</span>" .
+				"\n\t\t<input type='text' name='$honeypot' value='$honeypotValue' size='3' />" .
+				"\n\t\t</label>" .
+				"\n\t</p>";
+		}
+
 		$form .=
 			"\n\t<p class='CommentFormText {$id}_text'>" .
 			"\n\t\t<label>" .
@@ -491,6 +523,10 @@ class CommentForm extends Wire implements CommentFormInterface {
 			if(empty($data[$key])) return false; 
 		}
 
+		if($key = $this->options['requireHoneypotField']) {
+			if(!empty($data[$key])) return false;
+		}
+
 		$comment = $this->wire(new Comment()); 
 		$comment->user_agent = $_SERVER['HTTP_USER_AGENT']; 
 		$comment->ip = $this->wire('session')->getIP();
diff --git a/wire/modules/Fieldtype/FieldtypeComments/comments.css b/wire/modules/Fieldtype/FieldtypeComments/comments.css
index f010891d..0d93c0e8 100644
--- a/wire/modules/Fieldtype/FieldtypeComments/comments.css
+++ b/wire/modules/Fieldtype/FieldtypeComments/comments.css
@@ -35,6 +35,10 @@
 	clear: both;
 }
 
+.CommentFormHP {
+	display: none;
+}
+
 @media only screen and (max-width: 767px) {
 	.CommentFormCite,
 	.CommentFormEmail,