WP-ContactForm Anpassen

<?php
/*
Plugin Name: WP-ContactForm (de)
Plugin URI: http://johannesries.de/wpcontactform
Description: WP-ContactForm bietet eine M�glichkeit des E-Mail-Kontaktes via Formular. Es kann in Beitr�ge oder Seiten �ber einen Quicktag eingef�gt werden und l�uft unter WordPress 1.5+. (Deutschsprachige Version von [url="http://johannesries.de"]Johannes Ries[/url])
Author: Ryan Duff, Firas Durri
Author URI: http://ryanduff.net
Version: 1.3
*/


load_plugin_textdomain('wpcf'); // NLS


/* Declare strings that change depending on input. This also resets them so errors clear on resubmission. */
$wpcf_strings = array(
	'name' => '<div class="contactright"><input type="text" name="wpcf_your_name" id="wpcf_your_name" size="30" maxlength="50" value="' . $_POST['wpcf_your_name'] . '" /> (erforderlich)</div>',
	'email' => '<div class="contactright"><input type="text" name="wpcf_email" id="wpcf_email" size="30" maxlength="50" value="' . $_POST['wpcf_email'] . '" /> (erforderlich)</div>',
	'msg' => '<div class="contactright"><textarea name="wpcf_msg" id="wpcf_msg" cols="35" rows="8" >' . $_POST['wpcf_msg'] . '</textarea></div>',
	'error' => '');


/*
This shows the quicktag on the write pages
Based off Owen's Quicktag Template
http://asymptomatic.net/wp-hacks/
*/
function wpcf_add_quicktag() {
	if(strpos($_SERVER['REQUEST_URI'], 'post.php') || strpos($_SERVER['REQUEST_URI'], 'page-new.php')) {
			?>
			<script language="JavaScript" type="text/javascript"><!--
			var toolbar = document.getElementById("ed_toolbar");
			<?php


			edit_insert_button("Contact Form", "wpcf_handler", "Contact Form");


			?>


			var state_my_button = true;


			function wpcf_handler() {
				if(state_my_button) {
						edInsertContent(edCanvas, '<!-'+'-contact form-'+'->');
				}
			}


			//--></script>
			<?php
	}
}


if(!function_exists('edit_insert_button')) {
		//edit_insert_button: Inserts a button into the editor
		function edit_insert_button($caption, $js_onclick, $title = '') {
			?>
			if(toolbar) {
					var theButton = document.createElement('input');
					theButton.type = 'button';
					theButton.value = '<?php echo $caption; ?>';
					theButton.onclick = <?php echo $js_onclick; ?>;
					theButton.className = 'ed_button';
					theButton.title = "<?php echo $title; ?>";
					theButton.id = "<?php echo "ed_{$caption}"; ?>";
					toolbar.appendChild(theButton);
			}
			<?php


		}
}


function wpcf_is_malicious($input) {
	$is_malicious = false;
	$bad_inputs = array("\r", "\n", "mime-version", "content-type", "cc:", "to:");
	foreach($bad_inputs as $bad_input) {
		if(strpos(strtolower($input), strtolower($bad_input)) !== false) {
			$is_malicious = true; break;
		}
	}
	return $is_malicious;
}
	
/* This function checks for errors on input and changes $wpcf_strings if there are any errors. Shortcircuits if there has not been a submission */
function wpcf_check_input()
{
	if(!(isset($_POST['wpcf_stage']))) {return false;} // Shortcircuit.
	
	$_POST['wpcf_your_name'] = stripslashes(trim($_POST['wpcf_your_name']));
	$_POST['wpcf_email'] = stripslashes(trim($_POST['wpcf_email']));
	$_POST['wpcf_website'] = stripslashes(trim($_POST['wpcf_website']));
	$_POST['wpcf_msg'] = stripslashes(trim($_POST['wpcf_msg']));
	
	global $wpcf_strings;
	$ok = true;
		
	if(empty($_POST['wpcf_your_name']))
	{
		$ok = false; $reason = 'empty';
		$wpcf_strings['name'] = '<div class="contactright"><input type="text" name="wpcf_your_name" id="wpcf_your_name" size="30" maxlength="50" value="' . $_POST['wpcf_your_name'] . '" class="contacterror" /> (required)</div>';
	}
            
    if(!is_email($_POST['wpcf_email']))
    {	
	    $ok = false; $reason = 'empty';
	    $wpcf_strings['email'] = '<div class="contactright"><input type="text" name="wpcf_email" id="wpcf_email" size="30" maxlength="50" value="' . $_POST['wpcf_email'] . '" class="contacterror" /> (required)</div>';
	}
    
    if(empty($_POST['wpcf_msg']))
    {	
	    $ok = false; $reason = 'empty';
	    $wpcf_strings['msg'] = '<div class="contactright"><textarea name="wpcf_msg" id="wpcf_message" cols="35" rows="8" class="contacterror">' . $_POST['wpcf_msg'] . '</textarea></div>';
	}
	
	if(wpcf_is_malicious($_POST['wpcf_your_name']) || wpcf_is_malicious($_POST['wpcf_email'])) {
		$ok = false; $reason = 'malicious';
	}
	
	if($ok == true)
	{
		return true;
	}
	else {
		if($reason == 'malicious') {
			$wpcf_strings['error'] = "<div style='font-weight: bold;'>You can not use any of the following in the Name or Email fields: a linebreak, or the phrases 'mime-version', 'content-type', 'cc:' or 'to:'.</div>";
		} elseif($reason == 'empty') {			
			$wpcf_strings['error'] = '<div style="font-weight: bold;">' . stripslashes(get_option('wpcf_error_msg')) . '</div>';
		}
		return false;
	}
}


/*Wrapper function which calls the form.*/
function wpcf_callback( $content )
{    
	global $wpcf_strings;
	
	/* Run the input check. */
    if(wpcf_check_input()) // If the input check returns true (ie. there has been a submission & input is ok)
    {
            $recipient = get_option('wpcf_email');
            $subject = get_option('wpcf_subject');
						$encoding = get_option('blog_charset');
            $success_msg = get_option('wpcf_success_msg');
						$success_msg = stripslashes($success_msg);
        		$from = get_option('admin_email');


            $name = $_POST['wpcf_your_name'];
            $email = $_POST['wpcf_email'];
            $website = $_POST['wpcf_website'];
            $msg = $_POST['wpcf_msg'];
        
            $headers = "From: $name <$email>\n";  // your email client will show the person's email address like normal
            $headers .= "Content-Type: text/plain; $encoding\n"; // sets the mime type
        
            $fullmsg = "$name wrote:\n";
            $fullmsg .= $msg . "\n\n";
            $fullmsg .= "Website: " . $website . "\n";
            $fullmsg .= "IP: " . getip();
        
            mail($recipient, $subject, $fullmsg, $headers, "-f $from");
        
            $results = '<div style="font-weight: bold;">' . $success_msg . '</div>';
            echo $results;
    }
    else // Else show the form. If there are errors the strings will have updated during running the inputcheck.
    {
        $form = '<div class="contactform">
        ' . $wpcf_strings['error'] . '
        	<form action="' . get_permalink() . '" method="post" name="form">
        		<div class="contactleft"><label for="wpcf_your_name">' . __('Name: ', 'wpcf') . '</label></div>' . $wpcf_strings['name']  . '
        		<div class="contactleft"><label for="wpcf_email">' . __('E-Mail-Adresse:', 'wpcf') . '</label></div>' . $wpcf_strings['email'] . '
        		<div class="contactleft"><label for="wpcf_website">' . __('Website:', 'wpcf') . '</label></div><div class="contactright"><input type="text" name="wpcf_website" id="wpcf_website" size="30" maxlength="100" value="' . $_POST['wpcf_website'] . '" /></div>
            	<div class="contactleft"><label for="message">' . __('Nachricht: ', 'wpcf') . '</label></div>' . $wpcf_strings['msg'] . '
            	<div class="contactright"><input type="submit" name="Submit" value="Senden" /><input type="hidden" name="wpcf_stage" value="process" /></div>
        	</form>
        </div>
        <div style="clear:both; height:1px;"></div>';
        return preg_replace('||', $form, $content);
    }
}




/*Can't use WP's function here, so lets use our own*/
function getip()
{
	if (isset($_SERVER)) 
	{
 		if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) 
 		{
  			$ip_addr = $_SERVER["HTTP_X_FORWARDED_FOR"];
 		} 
 		elseif (isset($_SERVER["HTTP_CLIENT_IP"])) 
 		{
  			$ip_addr = $_SERVER["HTTP_CLIENT_IP"];
 		} 
 		else 
 		{ 		
 			$ip_addr = $_SERVER["REMOTE_ADDR"];
 		}
	} 
	else 
	{
 		if ( getenv( 'HTTP_X_FORWARDED_FOR' ) ) 
 		{
  			$ip_addr = getenv( 'HTTP_X_FORWARDED_FOR' );
 		} 
 		elseif ( getenv( 'HTTP_CLIENT_IP' ) ) 
 		{
  			$ip_addr = getenv( 'HTTP_CLIENT_IP' );
 		} 
 		else 
 		{
  			$ip_addr = getenv( 'REMOTE_ADDR' );
 		}
	}
return $ip_addr;
}




/*CSS Styling*/
function wpcf_css()
	{
	?>
<style type="text/css" media="screen">


		/* Begin Contact Form CSS */


		.contactform { 
			position: relative;
			overflow: hidden;
			}
		
		.contactleft {
			width: 25%; 
			text-align: right;
			float: left; 
			display: inline; 
			}
		
		.contactright {
			width: 105%;
			text-align: left;  
			float: right; 
			display: inline; 
			}


    .contacterror {
      border: 1px solid #ff0000;
    	}
		/* End Contact Form CSS */


	</style>


<?php


	}


// TODO: Update this to new options page technique after WP 1.5.1 is released
function wpcf_add_options_page()
	{
		add_options_page('Contact Form Options', 'Kontaktformular', 9, 'options-contactform.php');
	}


/* Action calls for all functions */


if(get_option('wpcf_show_quicktag') == true) {add_action('admin_footer', 'wpcf_add_quicktag');}


add_action('admin_head', 'wpcf_add_options_page');
add_filter('wp_head', 'wpcf_css');
add_filter('the_content', 'wpcf_callback', 7);


?>