cops/fetch.php

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<?php
/**
* COPS (Calibre OPDS PHP Server)
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Gordon Page <gordon@incero.com> with integration/modification by S<EFBFBD>bastien Lucas <sebastien@slucas.fr>
*/
require_once ("config.php");
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require_once ("book.php");
require_once ("data.php");
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global $config;
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$expires = 60*60*24*14;
header("Pragma: public");
header("Cache-Control: maxage=".$expires);
header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT');
$bookId = getURLParam ("id", NULL);
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$type = getURLParam ("type", "jpg");
$idData = getURLParam ("data", NULL);
if (is_null ($bookId))
{
$book = Book::getBookByDataId($idData);
}
else
{
$book = Book::getBookById($bookId);
}
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switch ($type)
{
case "jpg":
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header("Content-Type: image/jpeg");
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if (isset($_GET["width"]))
{
$file = $book->getFilePath ($type);
// get image size
if($size = GetImageSize($file)){
$w = $size[0];
$h = $size[1];
//set new size
$nw = $_GET["width"];
$nh = ($nw*$h)/$w;
}
else{
//set new size
$nw = "160";
$nh = "120";
}
//draw the image
$src_img = imagecreatefromjpeg($file);
$dst_img = imagecreatetruecolor($nw,$nh);
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $nw, $nh, $w, $h);//resizing the image
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imagejpeg($dst_img,null,100);
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imagedestroy($src_img);
imagedestroy($dst_img);
return;
}
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if (isset($_GET["height"]))
{
$file = $book->getFilePath ($type);
// get image size
if($size = GetImageSize($file)){
$w = $size[0];
$h = $size[1];
//set new size
$nh = $_GET["height"];
$nw = ($nh*$w)/$h;
}
else{
//set new size
$nw = "160";
$nh = "120";
}
//draw the image
$src_img = imagecreatefromjpeg($file);
$dst_img = imagecreatetruecolor($nw,$nh);
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $nw, $nh, $w, $h);//resizing the image
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imagejpeg($dst_img,null,100);
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imagedestroy($src_img);
imagedestroy($dst_img);
return;
}
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break;
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default:
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header("Content-Type: " . Data::$mimetypes[$type]);
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break;
}
$file = $book->getFilePath ($type, $idData, true);
if ($type == "epub" && $config['cops_update_epub-metadata'])
{
$book->getUpdatedEpub ($idData);
return;
}
header('Content-Disposition: attachment; filename="' . basename ($file) . '"');
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header ($config['cops_x_accel_redirect'] . ": " . $config['calibre_internal_directory'] . $file);
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?>