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Author: plirof2

webform_authcode.admin.inc

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+<?php
+
+/**
+ * @file
+ * Webform authcode module functions for admin sections.
+ */
+
+ /**
+  * Validation callback handler for the webform configure form.
+  */
+function webform_authcode_webform_configure_validate($form, $form_state) {
+  // Retrieve values from form_state.
+  $values = $form_state['values'];
+
+  // Check for emtpty pass phrase.
+  if ($values['authcode_protect'] == TRUE && empty($values['authcode_pass_phrase'])) {
+    form_set_error('authcode_pass_phrase', t("The field pass phrase can't be empty."));
+  }
+}
+
+/**
+ * Submit callback handler for the webform configure form.
+ */
+function webform_authcode_webform_configure_submit($form, $form_state) {
+  // Retrieve values from form_state.
+  $values = $form_state['values'];
+
+  // Retrieve the node id.
+  $nid = $form['#node']->nid;
+
+  // Retrieve the stored pass phrases from the variable store.
+  $authcode_phrases = variable_get('authtcode_pass_phrases', array());
+
+  // If the authcode protect checkbox was not checked, remove existing phrase.
+  // Otherwise add/update it.
+  if ($values['authcode_protect'] != TRUE && isset($authcode_phrases[$nid])) {
+    // Delete the pass phrase.
+    unset($authcode_phrases[$nid]);
+  }
+  else if ($values['authcode_protect'] != TRUE ) {
+    // Delete the pass phrase.
+    unset($authcode_phrases[$nid]); // added by John 161227 to avoid autocheck of master passwords BUG
+  }
+  else {
+    // Add / update the pass phrase.
+    $authcode_phrases[$nid] = $values['authcode_pass_phrase'];
+  }
+
+  // Store the pass phrase in the variable store.
+  variable_set('authtcode_pass_phrases', $authcode_phrases);
+}

webform_authcode.pages.inc

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+<?php
+
+/**
+ * @file
+ * Webform authcode module functions for frontend.
+ */
+
+ /**
+  * Callback function to build pass phrase form.
+  */
+function webform_authcode_pass_phrase_form($form, &$form_state) {
+
+  $form['description'] = array(
+    '#prefix' => '<div class="introduction-text">',
+    '#suffix' => '</div>',
+    '#markup' => t('This form is protected by a pass phrase. Please enter the the pass phrase provided to you to gain access to the form.'),
+  );
+
+  $form['authcode_pass_phrase'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Pass phrase'),
+    '#maxlength' => 255,
+    '#size' => 50,
+    '#description' => t('Please enter the pass phrase provided to you.'),
+  );
+
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Continue'),
+  );
+
+  // Add validation handler.
+  $form['#validate'][] = 'webform_authcode_pass_phrase_form_validate';
+  // Add submit handler.
+  $form['#submit'][] = 'webform_authcode_pass_phrase_form_submit';
+
+  return $form;
+}
+
+/**
+ * Validation handler for webform_authcode_pass_phrase_form.
+ */
+function webform_authcode_pass_phrase_form_validate($form, $form_state) {
+  // Retrieve values from form_state.
+  $values = $form_state['values'];
+
+  // Retrieve the node id.
+  $node = menu_get_object();
+  $nid = $node->nid;
+
+  // Retrieve the stored pass phrases from the variable store.
+  $authcode_phrases = variable_get('authtcode_pass_phrases', array());
+
+  // Check for emtpty pass phrase.
+  if (empty($values['authcode_pass_phrase'])) {
+    form_set_error('authcode_pass_phrase', t("The field pass phrase can't be empty."));
+  }
+
+  // Check if the pass phrase is correct.
+  if (!empty($values['authcode_pass_phrase']) && $values['authcode_pass_phrase'] !== $authcode_phrases[$nid]) {
+    form_set_error('authcode_pass_phrase', t('The pass phrase you entered is incorrect. Please note that the pass phrase is case sensitive.'));
+  }
+}
+
+/**
+ * Submit handler for webform_authcode_pass_phrase_form.
+ */
+function webform_authcode_pass_phrase_form_submit($form, $form_state) {
+  // Retrieve values from form_state.
+  $values = $form_state['values'];
+
+  // Retrieve the node id.
+  $node = menu_get_object();
+  $nid = $node->nid;
+
+  // Store the authcode in a cookie.
+  $cookie_name = 'webform_authcode_' . $nid;
+  user_cookie_save(array($cookie_name => check_plain($values['authcode_pass_phrase'])));
+}