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<?php
if ( ! class_exists( 'GFForms' ) ) {
die();
}
class GF_Field_Password extends GF_Field {
public $type = 'password';
private static $passwords = array();
public function get_form_editor_field_title() {
return esc_attr__( 'Password', 'gravityforms' );
}
/**
* Returns the field's form editor description.
*
* @since 2.5
*
* @return string
*/
public function get_form_editor_field_description() {
return esc_attr__( 'Allows the user to enter a password and confirm it. The password will be masked with blobs or asterisks.', 'gravityforms' );
}
function get_form_editor_field_settings() {
return array(
'conditional_logic_field_setting',
'error_message_setting',
'label_setting',
'label_placement_setting',
'admin_label_setting',
'size_setting',
'rules_setting',
'input_placeholders_setting',
'sub_label_placement_setting',
'description_setting',
'css_class_setting',
'password_strength_setting',
'password_visibility_setting',
'password_setting',
);
}
/**
* Returns the field's form editor icon.
*
* This could be an icon url or a gform-icon class.
*
* @since 2.5
*
* @return string
*/
public function get_form_editor_field_icon() {
return 'gform-icon--password';
}
public function get_form_editor_button() {
return array(); // this button is conditionally added in the form detail page
}
public function get_entry_inputs() {
return null;
}
/**
* Returns the HTML tag for the field container.
*
* @since 2.5
*
* @param array $form The current Form object.
*
* @return string
*/
public function get_field_container_tag( $form ) {
if ( GFCommon::is_legacy_markup_enabled( $form ) || ! $this->is_confirm_input_enabled() ) {
return parent::get_field_container_tag( $form );
}
return 'fieldset';
}
public function validate( $value, $form ) {
$password = rgpost( 'input_' . $this->id );
$confirm = rgpost( 'input_' . $this->id . '_2' );
if ( $this->is_confirm_input_enabled() && $password != $confirm ) {
$this->failed_validation = true;
$this->validation_message = esc_html__( 'Your passwords do not match.', 'gravityforms' );
} elseif ( $this->passwordStrengthEnabled && ! empty( $this->minPasswordStrength ) && ! empty( $password ) ) {
$strength = rgpost('input_' . $this->id . '_strength' );
if ( empty( $strength ) ) {
$strength = $this->get_password_strength( $password );
}
$levels = array( 'short' => 1, 'bad' => 2, 'good' => 3, 'strong' => 4 );
if ( rgar( $levels, $strength, 0 ) < $levels[ $this->minPasswordStrength ] ) {
$this->failed_validation = true;
$this->validation_message = empty( $this->errorMessage ) ? sprintf( esc_html__( 'Your password does not meet the required strength. %sHint: To make it stronger, use upper and lower case letters, numbers and symbols like ! " ? $ %% ^ & ).', 'gravityforms' ), '<br />' ) : $this->errorMessage;
}
}
}
/**
* Calculate the password score using PHP when not passed by JS.
*
* @since 2.4.11
*
* @see gravityforms.js gformPasswordStrength() JS code
*
* @param string $password The password that should be checked.
*
* @return string blank|short|bad|good|strong
*/
protected function get_password_strength( $password = '' ) {
$symbol_size = 0;
$strlen = GFCommon::safe_strlen( $password );
if ( 0 >= $strlen ) {
return 'blank';
}
if ( $strlen < 4 ) {
return 'short';
}
if ( preg_match( '/[ 0 - 9 ] /', $password ) ) {
$symbol_size += 10;
}
if ( preg_match( '/[ a - z ] /', $password ) ) {
$symbol_size += 26;
}
if ( preg_match( '/[ A - Z ] /', $password ) ) {
$symbol_size += 26;
}
if ( preg_match( '/[^a - zA - Z0 - 9]/', $password ) ) {
$symbol_size += 31;
}
$natLog = log( pow( $symbol_size, $strlen ) );
$score = $natLog / log( 2 );
if ( 40 > $score ) {
return 'bad';
}
if ( 56 > $score ) {
return 'good';
}
return 'strong';
}
public function get_field_input( $form, $value = '', $entry = null ) {
if ( is_array( $value ) ) {
$value = array_values( $value );
}
$form_id = $form['id'];
$is_entry_detail = $this->is_entry_detail();
$is_form_editor = $this->is_form_editor();
$is_admin = $is_entry_detail || $is_form_editor;
$id = (int) $this->id;
$field_id = $is_entry_detail || $is_form_editor || $form_id == 0 ? "input_$id" : 'input_' . $form_id . "_$id";
$size = $this->size;
$class_suffix = $is_entry_detail ? '_admin' : '';
$class = $this->is_confirm_input_enabled() ? '' : $size . $class_suffix; // Size only applies when confirmation is disabled.
$class = esc_attr( $class );
$form_sub_label_placement = rgar( $form, 'subLabelPlacement' );
$field_sub_label_placement = $this->subLabelPlacement;
$is_sub_label_above = $field_sub_label_placement == 'above' || ( empty( $field_sub_label_placement ) && $form_sub_label_placement == 'above' );
$sub_label_class_attribute = $field_sub_label_placement == 'hidden_label' ? "class='hidden_sub_label screen-reader-text'" : '';
$disabled_text = $is_form_editor ? 'disabled="disabled"' : '';
$first_tabindex = $this->get_tabindex();
$last_tabindex = $this->get_tabindex();
$strength_style = ! $this->passwordStrengthEnabled ? "style='display:none;'" : '';
$strength_indicator_label = esc_html__( 'Strength indicator', 'gravityforms' );
$strength = $this->passwordStrengthEnabled || $is_admin ? "<div id='{$field_id}_strength_indicator' class='gfield_password_strength' {$strength_style}>
{$strength_indicator_label}
</div>
<input type='hidden' class='gform_hidden' id='{$field_id}_strength' name='input_{$id}_strength' />" : '';
$action = ! $is_admin ? "gformShowPasswordStrength(\"$field_id\");" : '';
$onchange = $this->passwordStrengthEnabled ? "onchange='{$action}'" : '';
$onkeyup = $this->passwordStrengthEnabled ? "onkeyup='{$action}'" : '';
$confirmation_value = rgpost( 'input_' . $id . '_2' );
$password_value = is_array( $value ) ? $value[0] : $value;
$password_value = esc_attr( $password_value );
$confirmation_value = esc_attr( $confirmation_value );
$enter_password_field_input = GFFormsModel::get_input( $this, $this->id . '' );
$confirm_password_field_input = GFFormsModel::get_input( $this, $this->id . '.2' );
$enter_password_label = rgar( $enter_password_field_input, 'customLabel' ) != '' ? $enter_password_field_input['customLabel'] : esc_html__( 'Enter Password', 'gravityforms' );
$enter_password_label = gf_apply_filters( array( 'gform_password', $form_id ), $enter_password_label, $form_id );
$confirm_password_label = rgar( $confirm_password_field_input, 'customLabel' ) != '' ? $confirm_password_field_input['customLabel'] : esc_html__( 'Confirm Password', 'gravityforms' );
$confirm_password_label = gf_apply_filters( array( 'gform_password_confirm', $form_id ), $confirm_password_label, $form_id );
$required_attribute = $this->isRequired ? 'aria-required="true"' : '';
$invalid_attribute = $this->failed_validation ? 'aria-invalid="true"' : 'aria-invalid="false"';
$enter_password_placeholder_attribute = GFCommon::get_input_placeholder_attribute( $enter_password_field_input );
$confirm_password_placeholder_attribute = GFCommon::get_input_placeholder_attribute( $confirm_password_field_input );
$visibility_toggle_style = ! $this->passwordVisibilityEnabled ? " style='display:none;'" : '';
$enter_password_toggle = $this->passwordVisibilityEnabled || $is_admin ? "<button type='button' class='gform_show_password' onclick='javascript:gformToggleShowPassword(\"{$field_id}\");' label='" . esc_attr__( 'Show Password', 'gravityforms' ) . "' data-label-show='" . esc_attr__( 'Show Password', 'gravityforms' ) . "' data-label-hide='" . esc_attr__( 'Hide Password', 'gravityforms' ) . "'{$visibility_toggle_style}><span class='dashicons dashicons-hidden' aria-hidden='true'></span></button>" : "";
$confirm_password_toggle = $this->passwordVisibilityEnabled || $is_admin ? "<button type='button' class='gform_show_password' onclick='javascript:gformToggleShowPassword(\"{$field_id}_2\");' label='" . esc_attr__( 'Show Password', 'gravityforms' ) . "' data-label-show='" . esc_attr__( 'Show Password', 'gravityforms' ) . "' data-label-hide='" . esc_attr__( 'Hide Password', 'gravityforms' ) . "'{$visibility_toggle_style}><span class='dashicons dashicons-hidden' aria-hidden='true'></span></button>" : "";
$aria_describedby = $this->get_aria_describedby();
if ( $is_form_editor ) {
$confirm_style = $this->is_confirm_input_enabled() ? '' : "style='display:none;'";
if ( $is_sub_label_above ) {
return "<div class='ginput_complex$class_suffix ginput_container ginput_container_password' id='{$field_id}_container'>
<span id='{$field_id}_1_container' class='ginput_left'>
<label for='{$field_id}' {$sub_label_class_attribute} {$confirm_style}>{$enter_password_label}</label>
<span class='password_input_container'>
<input type='password' name='input_{$id}' id='{$field_id}' {$onkeyup} {$onchange} value='{$password_value}' {$first_tabindex} {$enter_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$enter_password_toggle}
</span>
</span>
<span id='{$field_id}_2_container' class='ginput_right' {$confirm_style}>
<label for='{$field_id}_2' {$sub_label_class_attribute}>{$confirm_password_label}</label>
<span class='password_input_container'>
<input type='password' name='input_{$id}_2' id='{$field_id}_2' {$onkeyup} {$onchange} value='{$confirmation_value}' {$last_tabindex} {$confirm_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$confirm_password_toggle}
</span>
</span>
<div class='gf_clear gf_clear_complex'></div>
</div>{$strength}";
} else {
return "<div class='ginput_complex$class_suffix ginput_container ginput_container_password' id='{$field_id}_container'>
<span id='{$field_id}_1_container' class='ginput_left'>
<span class='password_input_container'>
<input type='password' name='input_{$id}' id='{$field_id}' {$onkeyup} {$onchange} value='{$password_value}' {$first_tabindex} {$enter_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$enter_password_toggle}
</span>
<label for='{$field_id}' {$sub_label_class_attribute} {$confirm_style}>{$enter_password_label}</label>
</span>
<span id='{$field_id}_2_container' class='ginput_right' {$confirm_style}>
<span class='password_input_container'>
<input type='password' name='input_{$id}_2' id='{$field_id}_2' {$onkeyup} {$onchange} value='{$confirmation_value}' {$last_tabindex} {$confirm_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$confirm_password_toggle}
</span>
<label for='{$field_id}_2' {$sub_label_class_attribute}>{$confirm_password_label}</label>
</span>
<div class='gf_clear gf_clear_complex'></div>
</div>{$strength}";
}
}
if ( $this->is_confirm_input_enabled() ) {
if ( $is_sub_label_above ) {
return "<div class='ginput_complex$class_suffix ginput_container ginput_container_password' id='{$field_id}_container'>
<span id='{$field_id}_1_container' class='ginput_left'>
<label for='{$field_id}' {$sub_label_class_attribute}>{$enter_password_label}</label>
<span class='password_input_container'>
<input type='password' name='input_{$id}' id='{$field_id}' {$onkeyup} {$onchange} value='{$password_value}' {$first_tabindex} {$enter_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text} {$aria_describedby}/>
{$enter_password_toggle}
</span>
</span>
<span id='{$field_id}_2_container' class='ginput_right'>
<label for='{$field_id}_2' {$sub_label_class_attribute}>{$confirm_password_label}</label>
<span class='password_input_container'>
<input type='password' name='input_{$id}_2' id='{$field_id}_2' {$onkeyup} {$onchange} value='{$confirmation_value}' {$last_tabindex} {$confirm_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$confirm_password_toggle}
</span>
</span>
<div class='gf_clear gf_clear_complex'></div>
</div>{$strength}";
} else {
return "<div class='ginput_complex$class_suffix ginput_container ginput_container_password' id='{$field_id}_container'>
<span id='{$field_id}_1_container' class='ginput_left'>
<span class='password_input_container'>
<input type='password' name='input_{$id}' id='{$field_id}' {$onkeyup} {$onchange} value='{$password_value}' {$first_tabindex} {$enter_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text} {$aria_describedby}/>
{$enter_password_toggle}
</span>
<label for='{$field_id}' {$sub_label_class_attribute}>{$enter_password_label}</label>
</span>
<span id='{$field_id}_2_container' class='ginput_right'>
<span class='password_input_container'>
<input type='password' name='input_{$id}_2' id='{$field_id}_2' {$onkeyup} {$onchange} value='{$confirmation_value}' {$last_tabindex} {$confirm_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$confirm_password_toggle}
</span>
<label for='{$field_id}_2' {$sub_label_class_attribute}>{$confirm_password_label}</label>
</span>
<div class='gf_clear gf_clear_complex'></div>
</div>{$strength}";
}
} else {
$class = esc_attr( $class );
return "<div class='ginput_container ginput_container_password'>
<span id='{$field_id}_1_container' class='{$size}'>
<span class='password_input_container'>
<input type='password' name='input_{$id}' id='{$field_id}' {$onkeyup} {$onchange} value='{$password_value}' {$first_tabindex} {$enter_password_placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text}/>
{$enter_password_toggle}
</span>
</span>
<div class='gf_clear gf_clear_complex'></div>
</div>{$strength}";
}
}
public function get_field_label_class(){
return 'gfield_label gfield_label_before_complex';
}
public function get_value_save_entry( $value, $form, $input_name, $lead_id, $lead ) {
/**
* A filter to allow the password to be encrypted (default set to false)
*
* @param bool Whether to encrypt the Password field with true or false
* @param array $form The Current Form Object
*/
$encrypt_password = apply_filters( 'gform_encrypt_password', false, $this, $form );
if ( $encrypt_password ) {
$value = GFCommon::openssl_encrypt( $value );
GFFormsModel::set_openssl_encrypted_fields( $lead_id, $this->id );
}
return $value;
}
/**
* @deprecated 2.4.16
*
* @param $entry
* @param $form
*/
public static function delete_passwords( $entry, $form ) {
$password_fields = GFAPI::get_fields_by_type( $form, array( 'password' ) );
$field_ids = array();
$encrypted_fields = GFFormsModel::get_openssl_encrypted_fields( $entry['id'] );
foreach ( $password_fields as $password_field ) {
$field_ids[] = $password_field->id;
GFAPI::update_entry_field( $entry['id'], $password_field->id, '' );
$key = array_search( $password_field->id, $encrypted_fields );
if ( $key !== false ) {
unset( $encrypted_fields[ $key ] );
}
}
if ( empty( $encrypted_fields ) ) {
gform_delete_meta( $entry['id'], '_openssl_encrypted_fields' );
} else {
gform_update_meta( $entry['id'], '_openssl_encrypted_fields', $encrypted_fields );
}
}
/**
* Removes the "for" attribute in the field label.
* Inputs are only allowed one label (a11y) and the inputs already have labels.
*
* @since 2.4
*
* @param array $form The Form Object currently being processed.
*
* @return string
*/
public function get_first_input_id( $form ) {
return $this->is_confirm_input_enabled() ? '' : parent::get_first_input_id( $form );
}
/**
* Determines if the Confirm Password input is enabled.
*
* @since 2.4.15
*
* @return bool
*/
private function is_confirm_input_enabled() {
// Get Confirm Password input.
$confirm_input = GFFormsModel::get_input( $this, $this->id . '.2' );
return isset( $confirm_input['isHidden'] ) ? ! $confirm_input['isHidden'] : true;
}
/**
* Passwords are not saved to the database and won't be available in the runtime $entry object unless we stash and
* rehydrate them into the $entry object after it has been retrieved from the database.
*
* @since 2.4.16
*
* @param $form
*/
public static function stash_passwords( $form ) {
foreach( $form['fields'] as $field ) {
/* @var GF_Field $field */
if ( $field->get_input_type() == 'password' ) {
self::$passwords[ $field->id ] = $field->get_value_submission( rgpost( 'gform_field_values' ) );
}
}
}
/**
* Hydrate the stashed passwords back into the runtime $entry object that has just been saved and retrieved from the
* database.
*
* @since 2.4.16
*
* @param $entry
*
* @return array $entry
*/
public static function hydrate_passwords( $entry ) {
foreach( self::$passwords as $field_id => $password ) {
$entry[ $field_id ] = $password;
}
// Reset passwords so they are not available for the next submission in multi-submission requests (only possible via API).
self::$passwords = array();
return $entry;
}
}
GF_Fields::register( new GF_Field_Password() );
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