Merging flat file systems

Jurge · August 26, 2010

I currently have a flat file user registration and login in system. I also have a simple guestbook which i didn't code myself, the guest book currently requires the user to type in there name and e-mail address to make a post. how ever i would like them to have to login and if they aren't logged in then don't display the guestbook.

Live version:

B50crew.co.uk

Guestbook.php:

<?php
  // find out the domain:
  $domain = $_SERVER['HTTP_HOST'];
  // find out the path to the current file:
  $path = $_SERVER['SCRIPT_NAME'];
$url = "http://" . $domain . $path  ;
extract($_POST);
if($Submit){
$date = date('D d Y h:i');

$comment=eregi_replace("\r\n","*",$comment);
$comment=eregi_replace("\n","*",$comment);
$fp = fopen("bin/guestbook.nfo","a+");

if(!$fp) {
    echo 'Error: Cannot open file.';
    exit;
}

fwrite($fp, $date."||".$name."||".$email."||".$comment."\n");

fclose($fp);

}
?>



<div align="center">
  <h2><span class="style1">Guestbook </span><br>
  </h2>
</div>
<form name="form1" method="post" action="<?php echo $url;?>">
  <label>Name
  <input type="text" name="name">
  </label>




  <label>Email
  <input type="text" name="email">
  </label>
  <p> </p>
  <p>
    comment<br>
    <textarea name="comment" cols="40" rows="10"></textarea>

    <br>
    <label>
    <input type="submit" name="Submit" value="Sign">
    </label>
    <br>
    </p>
</form>
<hr>

<?php

$userinfo = file("cgi-bin/guestbook.nfo");

   echo '<table border="0">';

foreach($userinfo as $val)

{
   //explode that data into a new array:
   $data = explode("||", $val);


  echo '<tr><td>'.$data[0].'</td></tr>';
   echo '<tr><td>'.$data[1].' Wrote:</td></tr>';

    $data[3]=eregi_replace("\*","<br>",$data[3]);

   echo '<tr><td>'.$data[3].'</td></tr>';
   echo '<tr><td>Email:'.$data[2].'<hr></td></tr>';
}


   echo '</table>';



?>

Login:

<?php
  // find out the domain:
  $domain = $_SERVER['HTTP_HOST'];
  // find out the path to the current file:
  $path = $_SERVER['SCRIPT_NAME'];
$url = "http://" . $domain . $path  ;
extract($_POST);
if($Submit){
$date = date('D d Y h:i');

$comment=eregi_replace("\r\n","*",$comment);
$comment=eregi_replace("\n","*",$comment);
$fp = fopen("bin/guestbook.nfo","a+");

if(!$fp) {
    echo 'Error: Cannot open file.';
    exit;
}

fwrite($fp, $date."||".$name."||".$email."||".$comment."\n");

fclose($fp);

}
?>



<div align="center">
  <h2><span class="style1">Guestbook </span><br>
  </h2>
</div>
<form name="form1" method="post" action="<?php echo $url;?>">
  <label>Name
  <input type="text" name="name">
  </label>




  <label>Email
  <input type="text" name="email">
  </label>
  <p> </p>
  <p>
    comment<br>
    <textarea name="comment" cols="40" rows="10"></textarea>

    <br>
    <label>
    <input type="submit" name="Submit" value="Sign">
    </label>
    <br>
    </p>
</form>
<hr>

<?php

$userinfo = file("cgi-bin/guestbook.nfo");

   echo '<table border="0">';

foreach($userinfo as $val)

{
   //explode that data into a new array:
   $data = explode("||", $val);


  echo '<tr><td>'.$data[0].'</td></tr>';
   echo '<tr><td>'.$data[1].' Wrote:</td></tr>';

    $data[3]=eregi_replace("\*","<br>",$data[3]);

   echo '<tr><td>'.$data[3].'</td></tr>';
   echo '<tr><td>Email:'.$data[2].'<hr></td></tr>';
}


   echo '</table>';



?>

Session.php

<?php

class user {

var $file_dir = "";

function start($time = 3600) {

session_set_cookie_params($time , '');

session_name('afroxav-login');

session_start();

// Reset the expiration time upon page load

if (isset($_COOKIE['afroxav-login'])) {

setcookie('afroxav-login', $_COOKIE['afroxav-login'], time() + $time, '', 'localhost', 0, 1);

}

if (!isset($_SESSION['info'])) {

$this->data = array('name' => 'Anonymous', 'logged' => false);

} else {

$this->data = $_SESSION['info'];

}

function check_login() {

if ($this->data['logged'] !== true) {

return false;

} else if ($this->data['logged'] === true) {

if ($this->data['name'] !== 'Anonymous') {

return true;

}

return false;

}

return false;

}

function login($user, $pass) {

$logins_raw = @file_get_contents($this->file_dir . 'users.php');

$logins_processed = str_replace('<?php exit; ?>', '', $logins_raw);

$logins_array = explode('\n', $logins_processed);

foreach ($logins_array as $id => $line) {

$logins[$id] = explode('|', $line);

}

$pass = $this->hash_pass($pass);

foreach ($logins as $user_info) {

if ($user_info[1] == $user) {

if ($user_info[2] == $pass) {

$this->update_session($user_info);

return true;

}

return false;

}

function hash_pass($string) {

return hash('sha512', $string);

}

function logout() {

$_SESSION['info'] = array('name' => 'Anonymous', 'logged' => false);

$this->data = $_SESSION['info'];

return true;

}

function prep_reg_array($name, $pass, $email, $mod = 'false', $admin = 'false') {

$id_raw = @file_get_contents($this->file_dir . 'id.php');

$id = str_replace('<?php exit; ?>', '', $id_raw);

$id = $id + 1;

@file_put_contents($this->file_dir . 'id.php', '<?php exit; ?>' . $id);

return array($id, $name, $this->hash_pass($pass), $email, $mod, $admin);

}

function register($userdata) {

$write = file_put_contents($this->file_dir . 'users.php', '\n' . implode('|', $userdata), FILE_APPEND);

return ($write !== false) ? true : false;

}

function update_session($array) {

$_SESSION['info'] = array(

'id' => $array[0],

'name' => $array[1],

'pass' => $array[2],

'email' => $array[3],

'mod' => $array[4],

'admin' => $array[5],

'logged' => true

);

$this->data = $_SESSION['info'];

}

};

//html related functions

//not related at all with the sessions

function html_start($title) {

header('Content-type: text/html');

echo "<html>\n";

echo "<head>\n";

echo "<title>\n";

echo $title;

echo "</title>\n";

echo "</head>\n";

echo "<body>\n";

echo "<h1>\n";

echo $title;

echo "</h1>\n";

}

function html_nav() {

global $user;

echo "<div>\n";

echo "Navigation\n";

echo "<ul>\n";

echo "<li><a href=\"?page=home\">Home</a></li>\n";

if ($user->check_login() == true) {

echo "<li><a href=\"?page=logout\">Log Out</a></li>\n";

} else {

echo "<li><a href=\"?page=login\">Log In</a></li>\n";

echo "<li><a href=\"?page=register\">Register</a></li>\n";

}

echo "</ul>\n";

echo "</div>\n";

}

function html_end() {

echo "</body>\n";

echo "</html>\n";

}

?>

Adam · August 26, 2010

As in your last post, you're probably not receiving much help because you're not actually asking a question. You're stating what you want done and expecting somebody to go off and do it. To do that requires time and experience, which unfortunately for you costs money.

Jurge · August 26, 2010

ah I see so there's no simple answer?

Adam · August 26, 2010

No. What you're asking for is development, not fixing a bug.

litebearer · August 26, 2010

A simplistic approach would be to use a 'logged_in' session variable / function. By checking if the user os logged in you can 'hide/display' as you chose. ie...

if logged_in is true

display guest book

else

do something else

you can use that method for pages/menus/content/etc

EXPERIMENT with small scripts to get the hang of it

Jurge · August 28, 2010

I figured a way out in the end was actually pretty simple. Thanks for everyone's comments.

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Merging flat file systems

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