/
aliencontact.plugin.php
executable file
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/
aliencontact.plugin.php
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<?php
/**
* Class to build & manage a contact form
*
* @package AlienContact
* @todo Add documentation
* @todo Add interface to database
*
* to use: insert <!--contactForm--> in a page or entry
*/
class AlienContact extends Plugin
{
private $theme= null;
/**
* Add update beacon support
**/
public function action_update_check()
{
Update::add( 'AlienContact', 'a22354d0-3ba5-11dd-ae16-0800200c9a66', $this->info->version );
}
function elements()
{
return array(
'name' => array(
'id' => 'name',
'type' => 'text',
'label' => 'Name',
'regex' => '/^.{2,}$/',
'required' => TRUE
),
'email' => array(
'id' => 'email',
'type' => 'text',
'label' => 'Email',
'regex' => "/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/",
'required' => TRUE
),
'url' => array(
'id' => 'url',
'type' => 'text',
'label' => 'Website',
'regex' => '/([http]?|[https]?)([:\/\/]?)(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/',
'required' => FALSE
),
'message' => array(
'id' => 'message',
'type' => 'textarea',
'label' => 'Message',
'regex' => '/^[\s\S]{2,}$/',
'required' => TRUE
),
'submit' => array(
'id' => 'submit',
'type' => 'submit',
'label' => 'Send',
'regex' => '',
'required' => FALSE
)
);
}
public function filter_rewrite_rules( $rules )
{
$rules[]= new RewriteRule( array(
'name' => 'aliencontact',
'parse_regex' => '%scripts/aliencontact.js$%i',
'build_str' => 'scripts/aliencontact.js',
'handler' => 'UserThemeHandler',
'action' => 'display_js',
'priority' => 6,
'is_active' => 1,
) );
return $rules;
}
public function filter_post_content_out( $content )
{
$url= Site::get_url( 'host' ) . Controller::get_full_url();
$input= 'post';
$form= self::get_form( $url, $input );
$content= str_replace( '<!--contactForm-->', $form, $content );
return $content;
}
public function action_handler_display_js( $handler_vars )
{
$url= URL::get( 'ajax', array( 'context'=>'submit_form' ) );
include( 'aliencontact.js.php' );
exit;
}
public function action_ajax_submit_form( $handler )
{
echo self::get_form( '', 'post' );
}
public function filter_plugin_config( $actions, $plugin_id )
{
if ( $plugin_id == $this->plugin_id() ) {
$actions[]= _t('Configure');
}
return $actions;
}
public function action_plugin_ui( $plugin_id, $action )
{
if ( $plugin_id == $this->plugin_id() ) {
switch ( $action ) {
case _t('Configure') :
$ui= new FormUI( strtolower( get_class( $this ) ) );
$email= $ui->append( 'text', 'email', 'aliencontact__email', _t('Email:') );
$subject= $ui->append( 'text', 'subject', 'aliencontact__subject', _t('Email Subject:') );
$database= $ui->append( 'checkbox', 'database', 'aliencontact__database', _t('Use Database') );
$ui->append( 'submit', 'save', _t('Save') );
$ui->out();
break;
}
}
}
public function action_init_theme() {
Stack::add( 'template_header_javascript', Site::get_url( 'scripts' ) . '/jquery.js', 'jquery' );
Stack::add( 'template_header_javascript', Site::get_url( 'scripts' ) . '/aliencontact.js', 'aliencontact' );
Stack::add( 'template_stylesheet', array( URL::get_from_filesystem(__FILE__) . '/aliencontact.css', 'screen' ), 'aliencontactcss' );
}
/**
* Prints the form
*
*/
function form()
{
$url= Site::get_url( 'host' ) . Controller::get_full_url();
$input= 'post';
echo self::get_form( $url, $input );
}
/**
* Fetch the form
*
* @param string $action where the form should be sent to (usually current URL)
* @param string $input where input is coming from (only 'post' works now)
* @return string the form
*/
public function get_form( $action = '', $input = 'post' )
{
$elements = self::elements();
$output= '';
$values= array();
$errors= array();
if( $input == 'post' ) {
foreach( $elements as $key => $field ) {
if( isset( $_POST[ 'contactForm_' . $key ] ) || isset( $_POST[$key] ) ) {
if( isset( $_POST['contactForm_' . $key] ) ) {
$value = $_POST['contactForm_' . $key];
}
else {
$value = $_POST[$key];
}
if( AlienContact::check_input( $value, $key ) != '' ) {
$errors[$key]= AlienContact::check_input( $value, $key );
$values[$key]= $value;
} else {
$values[$key]= $value;
}
}
}
} else {
foreach( $elements as $key => $field ) {
if( isset( $input[ $key ] ) ) {
$value = $input[$key];
if( AlienContact::check_input( $value, $key ) != '') {
$errors[$key]= AlienContact::check_input($value, $key);
$values[$key]= $value;
} else {
$values[$key]= $value;
}
}
}
}
if( count( $errors ) != 0 ) {
$output .= '<div class="errors">';
$output .= '<h3>Errors</h3>';
$output .= '<ol>';
foreach( $errors as $id => $error ) {
$output .= '<li id="contactForm_'.$id.'_error"><a href="#contactForm_'.$id.'_div" title="Fix the error">'.$error.'</a>.</li>';
}
$output .= '</ol>';
$output .= '</div>';
$output .= self::make_form( $action, $values, $errors );
} elseif( count( $values ) > 0 ) {
if( self::submit( $values ) ) {
$output .= '<div class="success">';
$output .= '<h3>Success</h3>';
$output .= '<p>Your message has successfully been delivered.</p>';
$output .= '</div>';
} else {
$output .= '<div class="errors">';
$output .= '<h3>Error</h3>';
$output .= '<p>Uh-oh... looks like I made a mistake. What can you expect? I am only a web server after all. Sorry... 1,000 times sorry. Please, give me another chance! I'm begging you! Will you ever talk to me again?';
$output .= '</div>';
$output .= self::make_form( $action, $values, $errors );
}
} else {
$output .= self::make_form( $action, $values, $errors );
}
return $output;
}
public function check_input( $value, $key )
{
$elements = self::elements();
$value = trim( $value );
if( ($elements[$key]['required'] and preg_match($elements[$key]['regex'], $value)) or (($elements[$key]['required'] == FALSE) && (strlen($value) != 0) && ($elements[$key]['regex'] != '') && (preg_match($elements[$key]['regex'], $value))) or (($elements[$key]['required'] == FALSE) && ($elements[$key]['regex'] == '')) ) {
$error = '';
} elseif(($elements[$key]['required'] == FALSE) and (strlen($value) == 0)) {
$error = '';
} elseif(($elements[$key]['required'] == TRUE) and (strlen($value) == 0)) {
$error = 'You must enter a ' . $elements[$key]['id'];
} else {
$error = 'Your ' . $elements[$key]['id'] . ' failed to validate.';
}
return $error;
}
function install()
{
if( Options::get( 'aliencontact__database' ) ) {
DB::register_table( 'aliencontact' );
$sql = "CREATE TABLE " . DB::table('aliencontact') . " (
id int(9) NOT NULL AUTO_INCREMENT,
time int(12) NOT NULL,
updated int(12) NOT NULL,
ip varchar(20) NOT NULL,
val blob NOT NULL,
UNIQUE KEY id (id)
);";
$sql = DB::dbdelta( $sql );
return TRUE;
} else {
return FALSE;
}
}
function insert( $input )
{
$insert= array();
$insert['time']= time();
$insert['updated']= time();
$insert['ip']= $_SERVER['REMOTE_ADDR'];
$insert['val']= serialize($input);
return DB::insert( DB::table( 'aliencontact' ), $insert );
}
function submit( $input )
{
$elements= self::elements();
$headers['MIME-Version']= '1.0';
$headers['Content-type']= 'text/html; charset=iso-8859-1';
$message= 'You have recieved a submission through your online form. The message follows.<br />';
foreach($input as $field => $value) {
$message.= $elements[$field]['label'] . ': ';
$message.= $value;
$message.= '<br />';
}
if( Utils::mail( Options::get( 'aliencontact__email' ), Options::get( 'aliencontact__subject' ), $message, $headers ) == TRUE ) {
if( self::install() ) {
if( self::insert( $input ) ) {
return TRUE;
} else {
return FALSE;
}
} else {
return TRUE;
}
} else {
return FALSE;
}
}
function make_form( $action = '', $input = NULL, $errors = NULL )
{
$elements= self::elements();
if( $errors == NULL ) {
unset( $errors );
}
$output= '<form id="contactForm" name="contactForm" action="' . $action . '" method="post" class=""';
$output.= '>';
foreach( $elements as $key => $element ) {
$output .= '<div id="contactForm_'.$key.'_div" class="container field '.$element['type'] . ' ' . $key;
$output .= ($element['required']) ? ' required' : '';
if(isset($errors) && isset($errors[$key]) && $errors[$key] != '') {
$output .= ' bad';
} elseif(isset($errors)) {
$output .= ' good';
}
$output .= '">';
switch($element['type']) {
case 'text':
$output .= '<label id="contactForm_'.$key.'_label" for="contactForm_'.$key.'" class="contactForm label">'.$element['label'].'</label>';
$output .= '<input id="contactForm_'.$key.'" name="contactForm_'.$key.'" type="text" class="contactForm '.$element['type'].' '.$element['id'].'" value="';
if(isset($input[$key])) {
$output .= $input[$key];
}
$output .= '" />';
if(isset($element['info'])) {
$output .= '<p id="contactForm_'.$key.'_info" class="contactForm_info">' . $element['info'] . '</p>';
}
break;
case 'textarea':
$output .= '<label id="contactForm_'.$key.'_label" for="contactForm_'.$key.'" class="contactForm label">'.$element['label'].'</label>';
$output .= '<textarea id="contactForm_'.$key.'" name="contactForm_'.$key.'" class="contactForm '.$element['type'].' '.$element['id'].'" rows="3" cols="30">';
if(isset($input[$key])) {
$output .= $input[$key];
}
$output .= '</textarea>';
if(isset($element['info'])) {
$output .= '<p id="contactForm_'.$key.'_info" class="contactForm_info">' . $element['info'] . '</p>';
}
break;
case 'submit':
$output .= '<input type="submit" name="contactForm_'.$key.'" id="contactForm_'.$key.'" value="'.$element['label'].'" />';
break;
}
if(isset($errors[$key]) && $errors[$key] != '') {
$output .= '<a href="#contactForm_'.$key.'_error" title="' . $errors[$key] . '" class="error" class="error">Error</a>';
}
$output.= "</div>\n";
}
$output.= "</form>";
return $output;
}
}
?>