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<?php
namespace WPForms\Admin\Tools\Importers;
/**
* Contact Form 7 Importer class.
*
* @since 1.6.6
*/
class ContactForm7 extends Base {
/**
* Define required properties.
*
* @since 1.6.6
*/
public function init() {
$this->name = 'Contact Form 7';
$this->slug = 'contact-form-7';
$this->path = 'contact-form-7/wp-contact-form-7.php';
}
/**
* Get ALL THE FORMS.
*
* @since 1.6.6
*/
public function get_forms() {
$forms_final = [];
if ( ! $this->is_active() ) {
return $forms_final;
}
$forms = \WPCF7_ContactForm::find( [ 'posts_per_page' => - 1 ] );
if ( empty( $forms ) ) {
return $forms_final;
}
foreach ( $forms as $form ) {
if ( ! empty( $form ) && ( $form instanceof \WPCF7_ContactForm ) ) {
$forms_final[ $form->id() ] = $form->title();
}
}
return $forms_final;
}
/**
* Get a single form.
*
* @since 1.6.6
*
* @param int $id Form ID.
*
* @return \WPCF7_ContactForm|bool
*/
public function get_form( $id ) {
$form = \WPCF7_ContactForm::find(
[
'posts_per_page' => 1,
'p' => $id,
]
);
if ( ! empty( $form[0] ) && ( $form[0] instanceof \WPCF7_ContactForm ) ) {
return $form[0];
}
return false;
}
/**
* Import a single form using AJAX.
*
* @since 1.6.6
*/
public function import_form() {
// Run a security check.
check_ajax_referer( 'wpforms-admin', 'nonce' );
// Check for permissions.
if ( ! wpforms_current_user_can( 'create_forms' ) ) {
wp_send_json_error();
}
// Define some basic information.
$analyze = isset( $_POST['analyze'] );
$cf7_id = ! empty( $_POST['form_id'] ) ? (int) $_POST['form_id'] : 0;
$cf7_form = $this->get_form( $cf7_id );
if ( ! $cf7_form ) {
wp_send_json_error(
[
'error' => true,
'name' => esc_html__( 'Unknown Form', 'wpforms-lite' ),
'msg' => esc_html__( 'The form you are trying to import does not exist.', 'wpforms-lite' ),
]
);
}
$cf7_form_name = $cf7_form->title();
$cf7_fields = $cf7_form->scan_form_tags();
$cf7_properties = $cf7_form->get_properties();
$cf7_recaptcha = false;
$fields_pro_plain = [ 'url', 'tel', 'date' ];
$fields_pro_omit = [ 'file' ];
$fields_unsupported = [ 'quiz', 'hidden' ];
$upgrade_plain = [];
$upgrade_omit = [];
$unsupported = [];
$form = [
'id' => '',
'field_id' => '',
'fields' => [],
'settings' => [
'form_title' => $cf7_form_name,
'form_desc' => '',
'submit_text' => esc_html__( 'Submit', 'wpforms-lite' ),
'submit_text_processing' => esc_html__( 'Sending', 'wpforms-lite' ),
'antispam' => '1',
'notification_enable' => '1',
'notifications' => [
1 => [
'notification_name' => esc_html__( 'Notification 1', 'wpforms-lite' ),
'email' => '{admin_email}',
/* translators: %s - form name. */
'subject' => sprintf( esc_html__( 'New Entry: %s', 'wpforms-lite' ), $cf7_form_name ),
'sender_name' => get_bloginfo( 'name' ),
'sender_address' => '{admin_email}',
'replyto' => '',
'message' => '{all_fields}',
],
],
'confirmations' => [
1 => [
'type' => 'message',
'message' => esc_html__( 'Thanks for contacting us! We will be in touch with you shortly.', 'wpforms-lite' ),
'message_scroll' => '1',
],
],
'import_form_id' => $cf7_id,
],
];
// If form does not contain fields, bail.
if ( empty( $cf7_fields ) ) {
wp_send_json_success(
[
'error' => true,
'name' => sanitize_text_field( $cf7_form_name ),
'msg' => esc_html__( 'No form fields found.', 'wpforms-lite' ),
]
);
}
// Convert fields.
foreach ( $cf7_fields as $cf7_field ) {
if ( ! $cf7_field instanceof \WPCF7_FormTag ) {
continue;
}
// Try to determine field label to use.
$label = $this->get_field_label( $cf7_properties['form'], $cf7_field->type, $cf7_field->name );
// Next, check if field is unsupported. If supported make note and
// then continue to the next field.
if ( in_array( $cf7_field->basetype, $fields_unsupported, true ) ) {
$unsupported[] = $label;
continue;
}
// Now check if this install is Lite. If it is Lite and it's a
// field type not included, make a note then continue to the next
// field.
if ( ! wpforms()->is_pro() && in_array( $cf7_field->basetype, $fields_pro_plain, true ) ) {
$upgrade_plain[] = $label;
}
if ( ! wpforms()->is_pro() && in_array( $cf7_field->basetype, $fields_pro_omit, true ) ) {
$upgrade_omit[] = $label;
continue;
}
// Determine next field ID to assign.
if ( empty( $form['fields'] ) ) {
$field_id = 1;
} else {
$field_id = (int) max( array_keys( $form['fields'] ) ) + 1;
}
switch ( $cf7_field->basetype ) {
// Plain text, email, URL, number, and textarea fields.
case 'text':
case 'email':
case 'url':
case 'number':
case 'textarea':
$type = $cf7_field->basetype;
if ( $type === 'url' && ! wpforms()->is_pro() ) {
$type = 'text';
}
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => $type,
'label' => $label,
'size' => 'medium',
'required' => $cf7_field->is_required() ? '1' : '',
'placeholder' => $this->get_field_placeholder_default( $cf7_field ),
'default_value' => $this->get_field_placeholder_default( $cf7_field, 'default' ),
'cf7_name' => $cf7_field->name,
];
break;
// Phone number field.
case 'tel':
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => 'phone',
'label' => $label,
'format' => 'international',
'size' => 'medium',
'required' => $cf7_field->is_required() ? '1' : '',
'placeholder' => $this->get_field_placeholder_default( $cf7_field ),
'default_value' => $this->get_field_placeholder_default( $cf7_field, 'default' ),
'cf7_name' => $cf7_field->name,
];
break;
// Date field.
case 'date':
$type = wpforms()->is_pro() ? 'date-time' : 'text';
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => $type,
'label' => $label,
'format' => 'date',
'size' => 'medium',
'required' => $cf7_field->is_required() ? '1' : '',
'date_placeholder' => '',
'date_format' => 'm/d/Y',
'date_type' => 'datepicker',
'time_format' => 'g:i A',
'time_interval' => 30,
'cf7_name' => $cf7_field->name,
];
break;
// Select, radio, and checkbox fields.
case 'select':
case 'radio':
case 'checkbox':
$choices = [];
$options = (array) $cf7_field->labels;
foreach ( $options as $option ) {
$choices[] = [
'label' => $option,
'value' => '',
];
}
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => $cf7_field->basetype,
'label' => $label,
'choices' => $choices,
'size' => 'medium',
'required' => $cf7_field->is_required() ? '1' : '',
'cf7_name' => $cf7_field->name,
];
if (
$cf7_field->basetype === 'select' &&
$cf7_field->has_option( 'include_blank' )
) {
$form['fields'][ $field_id ]['placeholder'] = '---';
}
break;
// File upload field.
case 'file':
$extensions = '';
$max_size = '';
$file_types = $cf7_field->get_option( 'filetypes' );
$limit = $cf7_field->get_option( 'limit' );
if ( ! empty( $file_types[0] ) ) {
$extensions = implode( ',', explode( '|', strtolower( preg_replace( '/[^A-Za-z0-9|]/', '', strtolower( $file_types[0] ) ) ) ) );
}
if ( ! empty( $limit[0] ) ) {
$limit = $limit[0];
$mb = ( strpos( $limit, 'm' ) !== false );
$kb = ( strpos( $limit, 'kb' ) !== false );
$limit = (int) preg_replace( '/[^0-9]/', '', $limit );
if ( $mb ) {
$max_size = $limit;
} elseif ( $kb ) {
$max_size = round( $limit / 1024, 1 );
} else {
$max_size = round( $limit / 1048576, 1 );
}
}
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => 'file-upload',
'label' => $label,
'size' => 'medium',
'extensions' => $extensions,
'max_size' => $max_size,
'required' => $cf7_field->is_required() ? '1' : '',
'cf7_name' => $cf7_field->name,
];
break;
// Acceptance field.
case 'acceptance':
$form['fields'][ $field_id ] = [
'id' => $field_id,
'type' => 'checkbox',
'label' => esc_html__( 'Acceptance Field', 'wpforms-lite' ),
'choices' => [
1 => [
'label' => $label,
'value' => '',
],
],
'size' => 'medium',
'required' => '1',
'label_hide' => '1',
'cf7_name' => $cf7_field->name,
];
break;
// ReCAPTCHA field.
case 'recaptcha':
$cf7_recaptcha = true;
}
}
// If we are only analyzing the form, we can stop here and return the
// details about this form.
if ( $analyze ) {
wp_send_json_success(
[
'name' => $cf7_form_name,
'upgrade_plain' => $upgrade_plain,
'upgrade_omit' => $upgrade_omit,
]
);
}
// Settings.
// Confirmation message.
if ( ! empty( $cf7_properties['messages']['mail_sent_ok'] ) ) {
$form['settings']['confirmation_message'] = $cf7_properties['messages']['mail_sent_ok'];
}
// ReCAPTCHA.
if ( $cf7_recaptcha ) {
// If the user has already defined v2 reCAPTCHA keys in the WPForms
// settings, use those.
$site_key = wpforms_setting( 'recaptcha-site-key', '' );
$secret_key = wpforms_setting( 'recaptcha-secret-key', '' );
$type = wpforms_setting( 'recaptcha-type', 'v2' );
// Try to abstract keys from CF7.
if ( empty( $site_key ) || empty( $secret_key ) ) {
$cf7_settings = get_option( 'wpcf7' );
if (
! empty( $cf7_settings['recaptcha'] ) &&
is_array( $cf7_settings['recaptcha'] )
) {
foreach ( $cf7_settings['recaptcha'] as $key => $val ) {
if ( ! empty( $key ) && ! empty( $val ) ) {
$site_key = $key;
$secret_key = $val;
}
}
$wpforms_settings = get_option( 'wpforms_settings', [] );
$wpforms_settings['recaptcha-site-key'] = $site_key;
$wpforms_settings['recaptcha-secret-key'] = $secret_key;
update_option( 'wpforms_settings', $wpforms_settings );
}
}
// Don't enable reCAPTCHA if user had configured invisible reCAPTCHA.
if (
$type === 'v2' &&
! empty( $site_key ) &&
! empty( $secret_key )
) {
$form['settings']['recaptcha'] = '1';
}
}
// Setup email notifications.
if ( ! empty( $cf7_properties['mail']['subject'] ) ) {
$form['settings']['notifications'][1]['subject'] = $this->get_smarttags( $cf7_properties['mail']['subject'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail']['recipient'] ) ) {
$form['settings']['notifications'][1]['email'] = $this->get_smarttags( $cf7_properties['mail']['recipient'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail']['body'] ) ) {
$form['settings']['notifications'][1]['message'] = $this->get_smarttags( $cf7_properties['mail']['body'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail']['additional_headers'] ) ) {
$form['settings']['notifications'][1]['replyto'] = $this->get_replyto( $cf7_properties['mail']['additional_headers'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail']['sender'] ) ) {
$sender = $this->get_sender_details( $cf7_properties['mail']['sender'], $form['fields'] );
if ( $sender ) {
$form['settings']['notifications'][1]['sender_name'] = $sender['name'];
$form['settings']['notifications'][1]['sender_address'] = $sender['address'];
}
}
if ( ! empty( $cf7_properties['mail_2'] ) && (int) $cf7_properties['mail_2']['active'] === 1 ) {
// Check if a secondary notification is enabled, if so set defaults
// and set it up.
$form['settings']['notifications'][2] = [
'notification_name' => esc_html__( 'Notification 2', 'wpforms-lite' ),
'email' => '{admin_email}',
/* translators: %s - form name. */
'subject' => sprintf( esc_html__( 'New Entry: %s', 'wpforms-lite' ), $cf7_form_name ),
'sender_name' => get_bloginfo( 'name' ),
'sender_address' => '{admin_email}',
'replyto' => '',
'message' => '{all_fields}',
];
if ( ! empty( $cf7_properties['mail_2']['subject'] ) ) {
$form['settings']['notifications'][2]['subject'] = $this->get_smarttags( $cf7_properties['mail_2']['subject'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail_2']['recipient'] ) ) {
$form['settings']['notifications'][2]['email'] = $this->get_smarttags( $cf7_properties['mail_2']['recipient'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail_2']['body'] ) ) {
$form['settings']['notifications'][2]['message'] = $this->get_smarttags( $cf7_properties['mail_2']['body'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail_2']['additional_headers'] ) ) {
$form['settings']['notifications'][2]['replyto'] = $this->get_replyto( $cf7_properties['mail_2']['additional_headers'], $form['fields'] );
}
if ( ! empty( $cf7_properties['mail_2']['sender'] ) ) {
$sender = $this->get_sender_details( $cf7_properties['mail_2']['sender'], $form['fields'] );
if ( $sender ) {
$form['settings']['notifications'][2]['sender_name'] = $sender['name'];
$form['settings']['notifications'][2]['sender_address'] = $sender['address'];
}
}
}
$this->add_form( $form, $unsupported, $upgrade_plain, $upgrade_omit );
}
/**
* Lookup and return the placeholder or default value.
*
* @since 1.6.6
*
* @param object $field Field object.
* @param string $type Type of the field.
*
* @return string
*/
public function get_field_placeholder_default( $field, $type = 'placeholder' ) {
$placeholder = '';
$default_value = (string) reset( $field->values );
if ( $field->has_option( 'placeholder' ) || $field->has_option( 'watermark' ) ) {
$placeholder = $default_value;
$default_value = '';
}
if ( $type === 'placeholder' ) {
return $placeholder;
}
return $default_value;
}
/**
* Get the field label.
*
* @since 1.6.6
*
* @param string $form Form data and settings.
* @param string $type Field type.
* @param string $name Field name.
*
* @return string
*/
public function get_field_label( $form, $type, $name = '' ) {
preg_match_all( '/<label>([ \w\S\r\n\t]+?)<\/label>/', $form, $matches );
foreach ( $matches[1] as $match ) {
$match = trim( str_replace( "\n", '', $match ) );
preg_match( '/\[(?:' . preg_quote( $type ) . ') ' . $name . '(?:[ ](.*?))?(?:[\r\n\t ](\/))?\]/', $match, $input_match );
if ( ! empty( $input_match[0] ) ) {
return strip_shortcodes( sanitize_text_field( str_replace( $input_match[0], '', $match ) ) );
}
}
$label = sprintf( /* translators: %1$s - field type; %2$s - field name if available. */
esc_html__( '%1$s Field %2$s', 'wpforms-lite' ),
ucfirst( $type ),
! empty( $name ) ? "($name)" : ''
);
return trim( $label );
}
/**
* Replace 3rd-party form provider tags/shortcodes with our own Smart Tags.
*
* @since 1.6.6
*
* @param string $string Text to look for Smart Tags in.
* @param array $fields List of fields to process Smart Tags in.
*
* @return string
*/
public function get_smarttags( $string, $fields ) {
preg_match_all( '/\[(.+?)\]/', $string, $tags );
if ( empty( $tags[1] ) ) {
return $string;
}
// Process form-tags and mail-tags.
foreach ( $tags[1] as $tag ) {
foreach ( $fields as $field ) {
if ( ! empty( $field['cf7_name'] ) && $field['cf7_name'] === $tag ) {
$string = str_replace( '[' . $tag . ']', '{field_id="' . $field['id'] . '"}', $string );
}
}
}
// Process CF7 tags that we can map with WPForms alternatives.
$string = str_replace(
[
'[_remote_ip]',
'[_date]',
'[_serial_number]',
'[_post_id]',
'[_post_title]',
'[_post_url]',
'[_url]',
'[_post_author]',
'[_post_author_email]',
'[_site_admin_email]',
'[_user_login]',
'[_user_email]',
'[_user_first_name]',
'[_user_last_name]',
'[_user_nickname]',
'[_user_display_name]',
],
[
'{user_ip}',
'{date format="m/d/Y"}',
'{entry_id}',
'{page_id}',
'{page_title}',
'{page_url}',
'{page_url}',
'{author_display}',
'{author_email}',
'{admin_email}',
'{user_display}',
'{user_email}',
'{user_first_name}',
'{user_last_name}',
'{user_display}',
'{user_full_name}',
],
$string
);
// Replace those CF7 that are used in Notifications by default and that we can't leave empty.
$string = str_replace(
[
'[_site_title]',
'[_site_description]',
'[_site_url]',
],
[
get_bloginfo( 'name' ),
get_bloginfo( 'description' ),
get_bloginfo( 'url' ),
],
$string
);
/*
* We are not replacing certain special CF7 tags: [_user_url], [_post_name], [_time], [_user_agent].
* Without them some logic may be broken and for user it will be harder to stop missing strings.
* With them - they can see strange text and will be able to understand, based on the tag name, which value is expected there.
*/
return $string;
}
/**
* Find Reply-To in headers if provided.
*
* @since 1.6.6
*
* @param string $headers CF7 email headers.
* @param array $fields List of fields.
*
* @return string
*/
public function get_replyto( $headers, $fields ) {
if ( strpos( $headers, 'Reply-To:' ) !== false ) {
preg_match( '/Reply-To: \[(.+?)\]/', $headers, $tag );
if ( ! empty( $tag[1] ) ) {
foreach ( $fields as $field ) {
if ( ! empty( $field['cf7_name'] ) && $field['cf7_name'] === $tag[1] ) {
return '{field_id="' . $field['id'] . '"}';
}
}
}
}
return '';
}
/**
* Sender information.
*
* @since 1.6.6
*
* @param string $sender Sender strings in "Name <email@example.com>" format.
* @param array $fields List of fields.
*
* @return bool|array
*/
public function get_sender_details( $sender, $fields ) {
preg_match( '/(.+?)\<(.+?)\>/', $sender, $tag );
if ( ! empty( $tag[1] ) && ! empty( $tag[2] ) ) {
return [
'name' => $this->get_smarttags( $tag[1], $fields ),
'address' => $this->get_smarttags( $tag[2], $fields ),
];
}
return false;
}
}