234 lines
12 KiB
PHP
234 lines
12 KiB
PHP
<?php
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/**
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* Add Frontend Validation Messages
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*
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* @since 4.0.0
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*
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* @param array An associative array of messages
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*
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* @return array A modified associative array of messages
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*/
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function wpcf7dtx_messages($messages)
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{
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return array_merge($messages, array(
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'dtx_invalid_email' => array(
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'description' => __('There is a field with an invalid email address', 'contact-form-7-dynamic-text-extension'),
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'default' => __('Please enter a valid email address.', 'contact-form-7-dynamic-text-extension')
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),
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'dtx_invalid_tel' => array(
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'description' => __('There is a field with an invalid phone number', 'contact-form-7-dynamic-text-extension'),
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'default' => __('Please enter a valid phone number.', 'contact-form-7-dynamic-text-extension')
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),
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'dtx_invalid_number' => array(
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'description' => __('There is a field with an invalid number', 'contact-form-7-dynamic-text-extension'),
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'default' => __('Please enter a valid number.', 'contact-form-7-dynamic-text-extension')
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),
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'dtx_invalid_date' => array(
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'description' => __('There is a field with an invalid date', 'contact-form-7-dynamic-text-extension'),
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'default' => __('Please enter a valid date.', 'contact-form-7-dynamic-text-extension')
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),
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));
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}
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add_filter('wpcf7_messages', 'wpcf7dtx_messages');
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/**
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* Validate DTX Form Fields
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*
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* Frontend validation for DTX form tags
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*
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* @param WPCF7_Validation $result the current validation result object
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* @param WPCF7_FormTag $tag the current form tag being filtered for validation
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*
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* @return WPCF7_Validation a possibly modified validation result object
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*/
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function wpcf7dtx_validation_filter($result, $tag)
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{
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$type = str_replace(array('dynamic_', 'dynamic'), '', $tag->basetype);
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if (empty($tag->name) || in_array($type, array('hidden', 'submit', 'reset'))) {
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return $result; // Bail early for tags without names or if a specific type
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}
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// Get the value
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$user_value = wpcf7dtx_array_has_key($tag->name, $_POST);
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if (is_array($user_value)) {
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$selection_count = count($user_value);
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if (!wpcf7_form_tag_supports($tag->type, 'selectable-values')) {
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// Field passed selectable values when it's doesn't support them
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$result->invalidate($tag, wpcf7_get_message('validation_error'));
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return $result;
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} elseif ($selection_count > 1) {
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if (!wpcf7_form_tag_supports($tag->type, 'multiple-controls-container')) {
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// Field passed multiple values when it's doesn't support them
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$result->invalidate($tag, wpcf7_get_message('validation_error'));
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return $result;
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}
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foreach ($user_value as $selection) {
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// Validate each selected choice
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$result = wpcf7dtx_validate_value($result, sanitize_textarea_field(strval($selection)), $tag, $type);
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if (!$result->is_valid($tag->name)) {
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return $result; // Return early if any are invalid
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}
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}
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return $result;
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}
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$user_value = sanitize_text_field(strval(implode(' ', $user_value)));
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} elseif ($type == 'textarea') {
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$user_value = sanitize_textarea_field(strval($user_value));
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} else {
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$user_value = sanitize_text_field(strval($user_value));
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}
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// Validate and return
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return wpcf7dtx_validate_value($result, $user_value, $tag, $type);
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}
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/**
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* Validate Single Value
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*
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* @param WPCF7_Validation $result the current validation result object
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* @param string $value the current value being validated, sanitized
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* @param WPCF7_FormTag $tag the current form tag being filtered for validation
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* @param string $type Optional. The type of the current form tag. Default is blank for lookup.
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*
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* @return WPCF7_Validation a possibly modified validation result object
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*/
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function wpcf7dtx_validate_value($result, $value, $tag, $type = '')
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{
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$type = $type ? $type : str_replace(array('dynamic_', 'dynamic'), '', $tag->basetype);
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// Validate required fields for value
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if ($tag->is_required() && empty($value)) {
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$result->invalidate($tag, wpcf7_get_message('invalid_required'));
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return $result;
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}
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// Validate value by type
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if (!empty($value)) {
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switch ($type) {
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case 'email':
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if (!wpcf7_is_email($value)) {
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$result->invalidate($tag, wpcf7_get_message('dtx_invalid_email'));
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return $result;
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}
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break;
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case 'tel':
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if (!wpcf7_is_tel($value)) {
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$result->invalidate($tag, wpcf7_get_message('dtx_invalid_tel'));
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return $result;
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}
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break;
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case 'number':
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case 'range':
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if (!wpcf7_is_number($value)) {
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$result->invalidate($tag, wpcf7_get_message('dtx_invalid_number'));
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return $result;
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}
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break;
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case 'date':
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if (!wpcf7_is_date($value)) {
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$result->invalidate($tag, wpcf7_get_message('dtx_invalid_date'));
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return $result;
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}
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break;
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}
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// Finish validating text-based inputs
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$maxlength = $tag->get_maxlength_option();
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$minlength = $tag->get_minlength_option();
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if ($maxlength && $minlength && $maxlength < $minlength) {
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$maxlength = $minlength = null;
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}
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$code_units = wpcf7_count_code_units($value);
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if (false !== $code_units) {
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if ($maxlength && $maxlength < $code_units) {
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$result->invalidate($tag, wpcf7_get_message('invalid_too_long'));
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return $result;
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} elseif ($minlength && $code_units < $minlength) {
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$result->invalidate($tag, wpcf7_get_message('invalid_too_short'));
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return $result;
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}
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}
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}
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return $result;
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}
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/**
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* Backend Mail Configuration Validation
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*
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* Validate dynamic form tags used in mail configuration.
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*
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* @since 4.0.0
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*
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* @param WPCF7_ConfigValidator
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*
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* @return void
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*/
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function wpcf7dtx_validate($validator)
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{
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if (!$validator->is_valid()) {
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$contact_form = null;
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$form_tags = null;
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foreach ($validator->collect_error_messages() as $component => $errors) {
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$components = explode('.', $component);
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if (count($components) === 2 && strpos($components[0], 'mail') === 0 && in_array($components[1], array('sender', 'recipient', 'additional_headers'))) {
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foreach ($errors as $error) {
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// Focus on email fields that flag the invalid mailbox syntax warning, have to test link because code isn't sent and message could be in any language
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if (strpos(wpcf7dtx_array_has_key('link', $error), 'invalid-mailbox-syntax') !== false) {
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if (is_null($contact_form)) {
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$contact_form = $validator->contact_form();
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}
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if (is_null($form_tags)) {
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$form_tags = wpcf7_scan_form_tags();
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}
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$raw_value = $contact_form->prop($components[0])[$components[1]];
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foreach ($form_tags as $tag) {
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if (!empty($tag->name)) {
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// Check if this form tag is in the raw value
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$form_tag = '[' . $tag->name . ']';
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if (strpos($raw_value, $form_tag) !== false && in_array($tag->basetype, array_keys(wpcf7dtx_config()))) {
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$validator->remove_error($component, 'invalid_mailbox_syntax'); // Remove error, this is ours to handle now
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$utm_source = urlencode(home_url());
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if (!in_array($tag->basetype, array('dynamic_hidden', 'dynamic_email'))) {
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$validator->add_error($component, 'invalid_mailbox_syntax', array(
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'message' => __('Only email, dynamic email, hidden, or dynamic hidden form tags can be used for email addresses.', 'contact-form-7-dynamic-text-extension'),
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'link' => esc_url(sprintf('https://aurisecreative.com/docs/contact-form-7-dynamic-text-extension/configuration-errors/?utm_source=%s&utm_medium=link&utm_campaign=contact-form-7-dynamic-text-extension&utm_content=config-error-invalid_mailbox_syntax#valid-form-tags', $utm_source))
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));
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} else {
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$dynamic_value = wpcf7dtx_get_dynamic(false, $tag); // Get the dynamic value of this tag
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if (empty($dynamic_value) && $tag->basetype == 'dynamic_hidden') {
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$validator->add_error($component, 'maybe_empty', array(
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'message' => __('The dynamic hidden form tag must have a default value.', 'contact-form-7-dynamic-text-extension'),
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'link' => esc_url(sprintf('https://aurisecreative.com/docs/contact-form-7-dynamic-text-extension/configuration-errors/?utm_source=%s&utm_medium=link&utm_campaign=contact-form-7-dynamic-text-extension&utm_content=config-error-maybe_empty#maybe-empty', $utm_source))
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));
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} elseif (empty($dynamic_value) && !$tag->is_required()) {
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$validator->add_error($component, 'maybe_empty', array(
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'message' => __('The dynamic form tag must be required or have a default value.', 'contact-form-7-dynamic-text-extension'),
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'link' => esc_url(sprintf('https://aurisecreative.com/docs/contact-form-7-dynamic-text-extension/configuration-errors/?utm_source=%s&utm_medium=link&utm_campaign=contact-form-7-dynamic-text-extension&utm_content=config-error-maybe_empty#maybe-empty', $utm_source))
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));
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} elseif (!empty($dynamic_value)) {
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if (!wpcf7_is_email($dynamic_value)) {
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$validator->add_error($component, 'invalid_mailbox_syntax', array(
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'message' => __('The default dynamic value does not result in a valid email address.', 'contact-form-7-dynamic-text-extension'),
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'link' => esc_url(sprintf('https://aurisecreative.com/docs/contact-form-7-dynamic-text-extension/configuration-errors/?utm_source=%s&utm_medium=link&utm_campaign=contact-form-7-dynamic-text-extension&utm_content=config-error-invalid_mailbox_syntax#invalid-email-address', $utm_source))
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));
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} elseif ($component[1] == 'sender' && !wpcf7_is_email_in_site_domain($dynamic_value)) {
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$validator->add_error($component, 'email_not_in_site_domain', array(
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'message' => __('The dynamic email address for the sender does not belong to the site domain.', 'contact-form-7-dynamic-text-extension'),
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'link' => esc_url(sprintf('https://aurisecreative.com/docs/contact-form-7-dynamic-text-extension/configuration-errors/?utm_source=%s&utm_medium=link&utm_campaign=contact-form-7-dynamic-text-extension&utm_content=config-error-email_not_in_site_domain#invalid-site-domain', $utm_source))
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));
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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add_action('wpcf7_config_validator_validate', 'wpcf7dtx_validate');
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