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upload.php
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<?php
require_once 'includes/global.inc.php';
$MAX_FILE_SIZE = 20*1000*1000;//20MB
$head = "<title>Upload PDF</title>";
$head .= "<link rel=\"stylesheet\" type=\"text/css\" href=\"css/style.css\">";
$html="";
if (isset($_FILES['userfile']) && isset($_SESSION['user'])){//uploaded file and "logged in"?
$user = unserialize($_SESSION['user']);
$target_path = "/var/www/CS3003S/OIPLSV/pdf/"; //<-- where to save the PDF?
$name = basename( $_FILES['userfile']['name']);
$target_path = $target_path . $name;
if(move_uploaded_file($_FILES['userfile']['tmp_name'], $target_path)) {
$db=new DB();
$db->connect();
//ghostscript here
/*
* One can increase the -r200x200 param to increase quality/filesize.
*
* For Windows change "gs" to "gswin32c" or similar.
*
* Also, the sOutputFile should probably be changed to point to your projects img folder.
* this should further be added to the slides.php file so it pulls it from the right place.
*
* The ghostscript program and info on these params can be found here at http://www.ghostscript.com/
* */
$img_folder='/var/www/CS3003S/OIPLSV/img/';
$cmd="gs -dNOPAUSE -r200x200 -sDEVICE=jpeg -sOutputFile=\"".$img_folder.str_replace(".pdf","",$name)."_%d.jpg\" -dJPEGQ=100 -q \"$target_path\" -c quit";
$output = shell_exec($cmd);
$data=array(
'user_id' => $user->user_id,
'title' => str_replace(".pdf","",$name),
'date_uploaded' => 'CURRENT_TIMESTAMP'
);
$pdfdoc_id = $db->insert($data,'PDFDocument');
$html .= "<p>The file " . $name . " has been uploaded! Click <a href=\"slides.php?pdfdocument_id=".$pdfdoc_id."&pdfslide=1\">here</a> to view it.</p>";//header()
//Now add all the slides we have just accumulated:
$i=1;
while(file_exists($img_folder.str_replace(".pdf","",$name)."_".$i.".jpg")){
//add a slide
$data=array(
'pdfdocument_id' => $pdfdoc_id,
'pdfslide_order' => $i
);
$pdfslide_id = $db->insert($data,'PDFSlide');
$i++;
}
} else{
$html .= "There was an error uploading the file, please try again!";
}
}elseif (isset($_SESSION['user'])){
$user = unserialize($_SESSION['user']);
if ("admin"==$user->role || "lecturer"==$user->role){ #only allow these people to upload pdfs
$html.="<h1>Upload a PDF</h1><br>\n";
$html.="<form enctype=\"multipart/form-data\" action=\"\" method=\"POST\"><br>\n";
$html.="<input type=\"hidden\" name=\"MAX_FILE_SIZE\" value=\"".$MAX_FILE_SIZE."\" /><br>\n";
$html.="<input type=\"file\" name=\"userfile\"><br>\n";
$html.="<input type=\"submit\" value=\"Upload File\" /><br>\n";
$html.="</form>";
}else{
$html.="<p>You are not a lecturer/admin, so are unable to view this page.</p>";
}
}else{
$html.="<p>You are not logged in, so are unable to view this page.</p>";
$html.="<a href=\"login.php\">Login</a>";
$html.=" or <a href=\"register.php\">Register</a><br>\n";
$html.="<img src=\"img/home.png\">\n";
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<?php echo $head; ?>
</head>
<body>
<?php
include 'includes/header.inc.php';
echo $html; ?>
</body>
</html>