Share page script problem

April 8, 2009

I link to a "tell a friend" or "share page" script by using this link which grabs the url of the page the visitor is on (the original script uses a refferer which is often blocked.)

<a href="http://www.mysite.com/friend.php?sharepage=http://www.mysite.com<?php echo $_SERVER['REQUEST_URI']; ?>">Share this page</a>

In my friend script, I use GET to retrive the url to be shared then I assign it to $url2. The user then enters their info and the info of the people to share the page with. When they hit submit, the form posts to itself and $url2 is passed as a hidden variable "share_url" which I assign to $url3 for printing in the email.

My problem is the shared address is cutoff at the first "&" if I have an address like: "http://www.mysite.com/hello.php?page_id=12&topic=news&date=apr09" All I would get is "http://www.mysite.com/hello.php?page_id=12"

What am I doing wrong?

This is my friend.php script:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Share page</title>
<link rel="stylesheet" href="recommend.css" type="text/css">
</head>
<body>
<table width="100%" height="100%">
<tr>
	<td align="center" valign="middle">
<?php

//******************************************************************* 
//  File:		inc.recommend.php © Big Lick Media - BigLickMedia.com
//  Author:	D Stewart
//  Update:	04-16-2006
//  Version:	2.4.4
//*******************************************************************

/* Config Section */
//$referrer = $_SERVER['HTTP_REFERER'];

$sitename = 'My Site';			// Name of your site.

$url = 'http://www.mysite.com';		// Web address for your site.

$url2 = $_GET['sharepage'];	// Actual page to be sent
$url3 = $_POST['share_url'];   // url was passed as hidden variable

$webmasterEmail = '[email protected]';		// Your email address.

$receiveNotifications = 1;			// 0=no, 1=yes. If yes, you will be notified of the recipients and the message.

$errorstyleclass = 'error';			// The class that specifies the CSS error color.

$numberofrecipients = 10;			// Number of recipient email address fields to be displayed.

$emailsubject = 'Great Website';		//Email subject line.

$emailmessage = "Hello,\n\r[name] thought you would like to visit the following web page: $url3";		// Message in email body. 

/* End Config */


$mailsent = false; 
$errormessages = array(); 
$errorfields = array(); 

if(count($_POST) > 0) { 
    if(get_magic_quotes_gpc()) $_POST = strip_magic_quotes($_POST); 

    if(empty($_POST['name'])) { 
        $errormessages[] = 'Please enter your name.'; 
        $errorfields[] = 'name'; 
    } 
   
    if(empty($_POST['email'])) { 
        $errormessages[] = 'Please enter your email address.'; 
        $errorfields[] = 'email'; 
    } else { 
        if(!eregi("^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,3}$", $_POST['email'])) { 
            $errormessages[] = 'Please enter a proper email address for yourself.'; 
            $errorfields[] = 'email'; 
        } 
    } 
   
    for($i=1, $count=count($_POST['to']); $i<=$count; $i++) { 
        if(empty($_POST['to'][$i])) unset($_POST['to'][$i]); 
    } 
   
    if(empty($_POST['to'])) { 
        $errormessages[] = 'Please enter at least one friend\'s email address.'; 
        $errorfields[] = 'to[1]'; 
    } else { 
        foreach($_POST['to'] as $key=>$value) { 
            if(!empty($value)) { 
                if(!eregi("^[a-z0-9\._-]+@+[a-z0-9\._-]+\.+[a-z]{2,3}$", $value)) { 
                    $errormessages[] = 'Please enter email address #' . $key . ' proper.'; 
                    $errorfields[] = "to[$key]"; 
                } 
            } 
        } 
    } 

    // Now if there are no errors, send the message. 
    if(empty($errormessages)) { 
        $emailsubject = str_replace('[name]', $_POST['name'], $emailsubject); 
        $emailsubject = str_replace('[email]', $_POST['email'], $emailsubject); 
        $emailmessage = str_replace('[name]', $_POST['name'], $emailmessage);
        $emailmessage = str_replace('[url]', $url, $emailmessage); 
        //$emailmessage = str_replace('[share_url]', $_REQUEST['share_url'], $emailmessage); 
        $emailmessage .= "\r\n\n" . 
                          $_POST['message'] . 
                          "\n\n\n\nNote: This message was not sent unsolicited.  It was sent through a form located at the website: $url. ";

        $emailheader = "From: " . $_POST['email'] . "\r\n" . 
                       "Reply-To: " . $_POST['email'] . "\r\n" . 
                       "X-Mailer: Big Lick Media - php Site Recommender\r\n"; 
         
        $sent = array(); 
        foreach($_POST['to'] as $key=>$value) { 
            if(mail($value, $emailsubject, $emailmessage, $emailheader)) { 
                $sent[] = $value; 
            } 
        } 
        $failed = array_diff($_POST['to'], $sent); 
        $mailsent = true; 
         
        if($receiveNotifications) { 
            $subject = 'Site recommended'; 
            $message = 'This is a message to tell you that ' . $_POST['name'] . ' (' . $_POST['email'] .') ' . @gethostbyaddr($_SERVER["REMOTE_ADDR"]) . ' sent a website recommendation to ' . implode(', ', $sent) . "\n\nMessage: " .  $_POST['message']; 
            $headers = 'From: ' .  $_POST['email'] . "\r\n" . 'X-Mailer: Big Lick Media - php Site Recommender'; 
            @mail($webmasterEmail, $subject, $message, $headers); 
        } 
    } 
} 

?> 

<?php 
if($mailsent) { 
echo empty($sent) ? '' : '<p>Message was successfully sent to ' . implode(', ', $sent) . '</p>'; 
echo empty($failed) ? '' : '<p>Message was NOT successfully sent to ' . implode(', ', $failed) . '<br />Please try again later!</p>';
    echo '<p>Thank you very much for sharing ' , $sitename , '</p>'; 
} else { 
    if(count($_POST) > 0 && !empty($errormessages)) { 
        echo '<table><tr><td><span class="' , $errorstyleclass , '">'; 
        echo 'The following error(s) occured:<br />'; 
        foreach($errormessages as $value) { 
            echo '     » ' ,$value , '<br />'; 
        } 
        echo '</span><br /></td></tr></table>'; 
    } 
?> 

<table>
<form method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">
<tr>
	<td class="formtexttitle" colspan="2">  Recommend <?php echo $sitename; ?> to your friends and family</td>
</tr>
    <tr>
        <td class="formtext">Your Name:</td>
        <td><input type="text" name="name" value="<?php echo isset($_POST['name']) ? $_POST['name'] : ''; ?>" class="<?php echo in_array('name', $errorfields) ? $errorstyleclass : ''; ?>" onfocus="this.style.borderColor='#0072BC';" onblur="this.style.borderColor='silver';" />
        </td>
    </tr>
    <tr>
        <td class="formtext">Your Email:</td>
        <td><input type="text" name="email" value="<?php echo isset($_POST['email']) ? $_POST['email'] : ''; ?>" class="<?php echo in_array('email', $errorfields) ? $errorstyleclass : ''; ?>" onfocus="this.style.borderColor='#0072BC';" onblur="this.style.borderColor='silver';" />
        </td>
    </tr>
    <tr>
        <td colspan="2"> Recipient Email Addresses  <span class="basefontblue">(Enter at least one)<br/>      (To enter more than 10, simply revisit this page)<br/></span><br/><br /></td>
    </tr>
<tr>
        <td class="formtext">1.</td>
        <td><input type="text" name="to[1]" value="" class="" onfocus="this.style.borderColor='#0072BC';" onblur="this.style.borderColor='silver';" /></td>
    </tr>
    <?php 
    for($i=2; $i<=$numberofrecipients; $i++) { 
        $value = isset($_POST['to'][$i]) ? $_POST['to'][$i] : ''; 
        $class = in_array("to[$i]", $errorfields) ? $errorstyleclass : ''; 
        echo "    <tr>\n"; 
        echo '        <td class="formtext">' , $i , ".</td>\n"; 
        echo '        <td><input type="text" name="to[', $i ,']" value="', $value ,'" class="', $class ,"\" onfocus=\"this.style.borderColor='#0072BC';\" onblur=\"this.style.borderColor='silver';\" /></td>\n"; 
        echo "    </tr>\n"; 
    } 
    ?> 
    <tr>
        <td colspan="2">Your Message  (<span class="basefontblue">Optional</span>)<br />
	<textarea name="message" rows="4" cols="40" class="<?php echo in_array('messsage', $errorfields) ? $errorstyleclass : ''; ?>" onfocus="this.style.borderColor='#0072BC';" onblur="this.style.borderColor='silver';"><?php echo isset($_POST['message']) ? $_POST['message'] : '';?></textarea>
        </td>
    </tr>
<input type="hidden" name="share_url" value="<? echo $url2; ?>" />
    <tr>
        <td colspan="2">
            <table>
                <tr>
                    <td><input class="send" type="submit" value="Send Now" /></td>
                    <td class="formtext"> </td>
                    <td><input class="reset" type="reset" value="Reset Form" /></td>
                </tr>
            </table>
        </td>
    </tr>

</form>
</table>
<?php 
} 

function strip_magic_quotes($arr) { 
    foreach($arr as $k => $v) { 
        if(is_array($v)) { 
            $arr[$k] = strip_magic_quotes($v); 
        } else { 
            $arr[$k] = stripslashes($v); 
        } 
    } 
    return $arr; 
} 

?>
	</td>
</tr>
</table>
</body>
</html>

Zhadus · April 8, 2009

You can't pass it in the address bar like that. Change the & character to something else unused that PHP does not use and then use a string replace on the new page before it sends the email.

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