PHPForum/post.php at master · EButlerIV/PHPForum · GitHub

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<?php
session_start();
$display_form = true;
if (!isset($_SESSION['user'])) {
	// check if the user is responding to login form
	$user = $_POST['user'];
	$password = $_POST['password'];
	if (isset($user)) {
		if (isvalid($user, $password)) {
			// the user logged in - no need to display form
			$_SESSION['user'] = $user;
			$display_form = false;
		}
	}
} else {
	// returning user - no need to display the form
	$display_form = false;
}
?>

<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html  xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title>New Post</title>
<link rel="stylesheet" type="text/css" href="forum.css" />
</head>
<body>
<?php

if ($display_form) {
	print "<div class='newpost'><h3>You are not authorized to post.<h3><br/>\n";
	print "<a href='./posts.php'>Please go back to the main page</a>";
	print "</div>";

}
	else{
$name = $_SESSION['user'];
$post_subject = $_POST["post_subject"];
$post_content = $_POST["post_content"];
$submit = $_POST["submit"];
$namelookup = sprintf("SELECT user_login, ID FROM wp_users WHERE user_login LIKE '%s'", $name);

// connect to the server
$connection = mysql_connect("localhost","team8readwrite","5zYuteam8");

// select a database
mysql_select_db("1101sp09team8", $connection);

$result= mysql_query($namelookup);
function showerror()
{
        die("Error ". mysql_errno(). " : " .mysql_error());
}

function display_form($style1 = "", $style2 = "", $style3 = "", $postsubject_value = "", $postbody_value = "", $alertsubject = "", $alertbody = "") {
	print "<div id='info'>
		<h3>New Post:</h3>
		<form  method=\"post\" action=\"post.php\">
			<table style='border: none'>
			<tr>
			<td $style2>
			Post Subject:
			</td>
			<td>
			<input type='text' name='post_subject' $postsubject_value style='width: 30' /></td>
			<td> <p>$alertsubject</p></td>
			</tr>
			<tr>
			<td $style3>Post Body:</td>
			<td><textarea rows='5' cols='50' name='post_content' $postbody_value></textarea></td>
			<td> <p>$alertbody</p></td>
			</tr>
			<tr>
			<td>
			<input type=\"submit\" name = \"submit\" value=\"submit\" />
			</td>
			</tr>
			</table>
		</form>
	</div>";

}


$style1 = "";
$style2 = "";
$style3 = "";
$error_style = "style = \"color: red\"";
$postsubject_value = "";
$postbody_value = "";
$errors = false;
$comment_count=0;
$post_type = 'post';
$post_status = 'publish';

//Subject with length limitation, more characters
$postsubjecttest = "^[a-z0-9_.:;<> \"]{1,50}$";

//Post body length limitation, no form tag or more than three anchor tags
$postbodytest = "^[a-z0-9(_.:;,-/)<> \'\"\”\’\“]{1,}$";
$postbodytest2 = "(<a>){3,}";
$postbodytest3 = "*<form>*";

if (!isset($submit)) {
  display_form(); // display the form
}
else {
	// start validation

		$name_value = "value = \"$name\"";
		$row = mysql_fetch_array($result);
		$userid = $row['ID'];

	if(!eregi($postsubjecttest, $post_subject)){
		$style2 = $error_style;
		$alertsubject = "The post subject is invalid.<br/>";
		$errors = true;
	} else {
		$postsubject_value = "value = \"$post_subject\"";
	}
if(!eregi($postbodytest, $post_content) || eregi($postbodytest2, $post_content) || eregi($postbodytest3, $post_content)){
		$style3 = $error_style;
		$alertbody = "The post body is invalid.<br/>";
		$errors = true;
	} else {
		$postbody_value = "value = \"$post_content\"";
	}


      	if (!$errors) {
		$post_subject = mysql_real_escape_string($post_subject);
		$postbody = mysql_real_escape_string("$post_content");
		$password = "5zYuteam8";
		if (! ($connection = @mysql_connect("localhost","team8readwrite",$password)))
		die ("connection to the database failed");
		if (!@mysql_select_db("1101sp09team8", $connection)) showerror();
		$insert_q1 = "INSERT INTO wp_posts (post_title, post_author, post_date, post_content, post_type, post_status, comment_count) VALUES ('$post_subject', '$userid', NOW(), '$postbody', '$post_type', '$post_status', '$comment_count');";
		if (! (@mysql_query($insert_q1, $connection))) {
		showerror();
		}

		print "<div class='newpost'><h3>Thank you, $name, for submitting your information!</h3><br/>\n
			<a href='http://csci1101sp09.morris.umn.edu/~butlere/Final/posts.php'>Click Here to Return</a> ";
	} else {
		// priniting the form
	  display_form($style1, $style2, $style3, $postsubject_value, $postbody_value, $alertsubject, $alertbody);
	}
}}
?>
</body>
</html>