CRM-21104: Forcing reCaptcha on Contribution pages(with online payments) which have no Profile associated with them.

CRM/Admin/Form/Setting/Miscellaneous.php

@@ -49,6 +49,7 @@ class CRM_Admin_Form_Setting_Miscellaneous extends CRM_Admin_Form_Setting {
     'recaptchaOptions' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
     'recaptchaPublicKey' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
     'recaptchaPrivateKey' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
+    'forceRecaptcha' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
     'wkhtmltopdfPath' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
     'recentItemsMaxCount' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,
     'recentItemsProviders' => CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME,

CRM/Contribute/Form/Contribution/Main.php

@@ -302,6 +302,15 @@ public function buildQuickForm() {
       $this->buildComponentForm($this->_id, $this);
     }
 
+    if (count($this->_paymentProcessors) >= 1 && !isset($this->_paymentProcessors[0]) && !$this->get_template_vars("isCaptcha") && $this->hasToAddForcefully()) {
+      if (!$this->_userID) {
+        $this->enableCaptchaOnForm();
+      }
+      else {
+        $this->displayCaptchaWarning();
+      }
+    }
+
     // Build payment processor form
     CRM_Core_Payment_ProcessorForm::buildQuickForm($this);
 

CRM/Contribute/Form/ContributionBase.php

@@ -770,14 +770,43 @@ public function buildCustom($id, $name, $viewOnly = FALSE, $profileContactType =
         }
 
         if ($addCaptcha && !$viewOnly) {
-          $captcha = CRM_Utils_ReCAPTCHA::singleton();
-          $captcha->add($this);
-          $this->assign('isCaptcha', TRUE);
+          $this->enableCaptchaOnForm();
         }
       }
     }
   }
 
+  /**
+   * Enable ReCAPTCHA on Contribution form
+   */
+  protected function enableCaptchaOnForm() {
+    $captcha = CRM_Utils_ReCAPTCHA::singleton();
+    if ($captcha->hasSettingsAvailable()) {
+      $captcha->add($this);
+      $this->assign('isCaptcha', TRUE);
+    }
+  }
+
+  /**
+   * Display ReCAPTCHA warning on Contribution form
+   */
+  protected function displayCaptchaWarning() {
+    if (CRM_Core_Permission::check("administer CiviCRM")) {
+      $captcha = CRM_Utils_ReCAPTCHA::singleton();
+      if (!$captcha->hasSettingsAvailable()) {
+        $this->assign('displayCaptchaWarning', TRUE);
+      }
+    }
+  }
+
+  /**
+   * Check if ReCAPTCHA has to be added on Contribution form forcefully.
+   */
+  protected function hasToAddForcefully() {
+    $captcha = CRM_Utils_ReCAPTCHA::singleton();
+    return $captcha->hasToAddForcefully();
+  }
+
   /**
    * Add onbehalf/honoree profile fields and native module fields.
    *

CRM/Core/Config/MagicMerge.php

@@ -173,6 +173,7 @@ public static function getPropertyMap() {
       'recaptchaOptions' => array('setting'),
       'recaptchaPublicKey' => array('setting'),
       'recaptchaPrivateKey' => array('setting'),
+      'forceRecaptcha' => array('setting'),
       'replyTo' => array('setting'),
       'secondDegRelPermissions' => array('setting'),
       'smartGroupCacheTimeout' => array('setting'),

CRM/Utils/ReCAPTCHA.php

@@ -62,6 +62,29 @@ public static function &singleton() {
     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;
+  }
+
+  /**
+   * Check if reCaptcha has to be added on form forcefully.
+   */
+  public static function hasToAddForcefully() {
+    $config = CRM_Core_Config::singleton();
+    if (!$config->forceRecaptcha) {
+      return FALSE;
+    }
+    return TRUE;
+  }
+
   /**
    * Add element to form.
    *

settings/Core.setting.php

@@ -515,6 +515,21 @@
     'description' => NULL,
     'help_text' => NULL,
   ),
+  'forceRecaptcha' => array(
+    'add' => '4.7',
+    'help_text' => NULL,
+    'is_domain' => 1,
+    'is_contact' => 0,
+    'group_name' => 'CiviCRM Preferences',
+    'group' => 'core',
+    'name' => 'forceRecaptcha',
+    'type' => 'Boolean',
+    'quick_form_type' => 'YesNo',
+    'html_type' => '',
+    'default' => '0',
+    'title' => 'Force reCAPTCHA on Contribution pages',
+    'description' => 'If enabled, reCAPTCHA will show on all contribution pages.',
+  ),
   'recaptchaPrivateKey' => array(
     'group_name' => 'CiviCRM Preferences',
     'group' => 'core',

templates/CRM/Admin/Form/Setting/Miscellaneous.tpl

@@ -111,6 +111,13 @@
               </span>
             </td>
         </tr>
+        <tr class="crm-miscellaneous-form-block-recaptchaPrivateKey">
+            <td class="label">{$form.forceRecaptcha.label}</td>
+            <td>
+              {$form.forceRecaptcha.html}
+              <p class="description">{ts}If enabled, reCAPTCHA will show on all contribution pages.{/ts}</p>
+            </td>
+        </tr>
         </table>
            <div class="crm-submit-buttons">{include file="CRM/common/formButtons.tpl" location="bottom"}</div>
 </div>

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">