From 8237b5101ec3f483b53613442e31dff3af7415eb Mon Sep 17 00:00:00 2001
From: Alok Patel <alok@agileware.com.au>
Date: Wed, 25 Oct 2017 15:38:11 +0530
Subject: [PATCH] CRM-21104: Displaying warning message on contribution page if
 ReCaptcha settings are not available.

---
 CRM/Contribute/Form/Contribution/Main.php           |  2 +-
 CRM/Contribute/Form/ContributionBase.php            |  9 +++++++--
 CRM/Utils/ReCAPTCHA.php                             | 12 ++++++++++++
 templates/CRM/Contribute/Form/Contribution/Main.tpl |  6 ++++++
 4 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/CRM/Contribute/Form/Contribution/Main.php b/CRM/Contribute/Form/Contribution/Main.php
index 240f128af2..b1649521e2 100644
--- a/CRM/Contribute/Form/Contribution/Main.php
+++ b/CRM/Contribute/Form/Contribution/Main.php
@@ -302,7 +302,7 @@ class CRM_Contribute_Form_Contribution_Main extends CRM_Contribute_Form_Contribu
       $this->buildComponentForm($this->_id, $this);
     }
 
-    if (count($this->_paymentProcessors) == 1 && get_class($this->_paymentProcessors[0]["object"]) == "CRM_Core_Payment_Manual" && !$this->get_template_vars("isCaptcha")) {
+    if (count($this->_paymentProcessors) >= 1 && !isset($this->_paymentProcessors[0]) && !$this->get_template_vars("isCaptcha") && !$this->_userID) {
       $this->enableCaptchaOnForm();
     }
 
diff --git a/CRM/Contribute/Form/ContributionBase.php b/CRM/Contribute/Form/ContributionBase.php
index d9479c0e82..48fd87673f 100644
--- a/CRM/Contribute/Form/ContributionBase.php
+++ b/CRM/Contribute/Form/ContributionBase.php
@@ -781,8 +781,13 @@ class CRM_Contribute_Form_ContributionBase extends CRM_Core_Form {
    */
   protected function enableCaptchaOnForm() {
     $captcha = CRM_Utils_ReCAPTCHA::singleton();
-    $captcha->add($this);
-    $this->assign('isCaptcha', TRUE);
+    if ($captcha->hasSettingsAvailable()) {
+      $captcha->add($this);
+      $this->assign('isCaptcha', TRUE);
+    }
+    else {
+      $this->assign('displayCaptchaWarning', TRUE);
+    }
   }
 
   /**
diff --git a/CRM/Utils/ReCAPTCHA.php b/CRM/Utils/ReCAPTCHA.php
index aa27d26dd6..5da3e41d69 100644
--- a/CRM/Utils/ReCAPTCHA.php
+++ b/CRM/Utils/ReCAPTCHA.php
@@ -62,6 +62,18 @@ class CRM_Utils_ReCAPTCHA {
     return self::$_singleton;
   }
 
+
+  /**
+   * Check if reCaptcha settings is avilable to add on form.
+   */
+  public static function hasSettingsAvailable() {
+    $config = CRM_Core_Config::singleton();
+    if ($config->recaptchaPublicKey == NULL || $config->recaptchaPublicKey == "") {
+      return FALSE;
+    }
+    return TRUE;
+  }
+
   /**
    * Add element to form.
    *
diff --git a/templates/CRM/Contribute/Form/Contribution/Main.tpl b/templates/CRM/Contribute/Form/Contribution/Main.tpl
index 1137637e5b..261d12df1e 100644
--- a/templates/CRM/Contribute/Form/Contribution/Main.tpl
+++ b/templates/CRM/Contribute/Form/Contribution/Main.tpl
@@ -66,6 +66,12 @@
   {include file="CRM/Contribute/Form/Contribution/PreviewHeader.tpl"}
   {/if}
 
+  {if $displayCaptchaWarning}
+  <div class="messages status no-popup">
+      {ts}To display reCAPTCHA on form you must get an API key from<br /> <a href='https://www.google.com/recaptcha/admin/create'>https://www.google.com/recaptcha/admin/create</a>{/ts}
+  </div>
+  {/if}
+
   {include file="CRM/common/TrackingFields.tpl"}
 
   <div class="crm-contribution-page-id-{$contributionPageID} crm-block crm-contribution-main-form-block">
-- 
2.25.1