<?
+/*
+ *
+
+/*
+ * Note: Edits to this file must pass through github. To submit a patch to this
+ * file please contact mang at archive dot org or http://github.com/mangtronix
+ * Direct changes to this file may get clobbered when the code is synchronized
+ * from github.
+ */
+
class BookReader
{
+ // Operators recognized in BookReader download URLs
+ public static $downloadOperators = array('page');
+
// Returns true if can display the book in item with a given prefix (typically the item identifier)
public static function canDisplay($item, $prefix, $checkOldScandata = false)
{
public static function findPrefix($urlPortion)
{
if (!preg_match('#[^/&?]+#', $urlPortion, $matches)) {
+ // URL portion was empty or started with /, &, or ? -- no item identifier
return false;
}
- $prefix = $matches[0]; // identifier
+ $prefix = $matches[0]; // item identifier
// $$$ Currently swallows the rest of the URL.
// If we want to support e.g. /stream/itemid/subdir/prefix/page/23 will need to adjust.
if (preg_match('#[^/&?]+/([^&?]+)#', $urlPortion, $matches)) {
- $prefix = $matches[1]; // sub prefix
+ // Match is everything after item identifier and slash, up to end or ? or &
+ // e.g. itemid/{match/these/parts}?foo=bar
+ $prefix = $matches[1]; // sub prefix --
}
return $prefix;
// manually update with Launchpad version number at each checkin so that browsers
// do not use old cached version
// see https://bugs.launchpad.net/gnubook/+bug/330748
- $version = "r25";
+ $version = "imageurls";
if (BookReader::getDevHost($server)) {
// on dev host - add time to force reload
<html>
<head>
<meta name="viewport" content="width=device-width, maximum-scale=1.0" />
+ <meta name="apple-mobile-web-app-capable" content="yes" />
<title><? echo $title; ?></title>
<!--[if lte IE 6]>
<meta http-equiv="refresh" content="2; URL=/bookreader/browserunsupported.php?id=<? echo($id); ?>">
<link rel="stylesheet" type="text/css" href="/bookreader/touch/BookReaderTouch.css?v=<? echo($version); ?>">
<? } /* uiMode */ ?>
<script src="/includes/jquery-1.4.2.min.js" type="text/javascript"></script>
- <script type="text/javascript" src="/bookreader/jquery-ui-1.8.1.custom.min.js"></script>
+ <script type="text/javascript" src="/bookreader/jquery-ui-1.8.1.custom.min.js?v=<? echo($version); ?>"></script>
+ <script type="text/javascript" src="/bookreader/dragscrollable.js?v=<? echo($version); ?>"></script>
<script type="text/javascript" src="/bookreader/BookReader.js?v=<? echo($version); ?>"></script>
+ <script type="text/javascript" src="/bookreader/soundmanager/soundmanager2.js?v=<? echo($version); ?>"></script>
+ <script>
+ soundManager.debugMode = false;
+ soundManager.url = '/bookreader/soundmanager/swf/';
+ soundManager.useHTML5Audio = true;
+ </script>
</head>
<body style="background-color: #FFFFFF;">
// $path should look like {itemId}/{operator}/{filename}
// Other operators may be added
- $parts = preg_split('#/#', $path, 3);
- if (count($parts) != 3) {
- return null;
+ $urlParts = BookReader::parsePath($path);
+
+ // Check for non-handled cases
+ $required = array('identifier', 'operator', 'operand');
+ foreach ($required as $key) {
+ if (!array_key_exists($key, $urlParts)) {
+ return null;
+ }
}
- $identifier = $parts[0];
- $operator = $parts[1];
- $filename = $parts[2];
+
+ $identifier = $urlParts['identifier'];
+ $operator = $urlParts['operator'];
+ $filename = $urlParts['operand'];
+ $subPrefix = $urlParts['subPrefix'];
$serverBaseURL = BookReader::serverBaseURL($item->getServer());
-
+
+ // Baseline query params
+ $query = array(
+ 'id' => $identifier,
+ 'itemPath' => $item->getMainDir(),
+ 'server' => $serverBaseURL
+ );
+ if ($subPrefix) {
+ $query['subPrefix'] = $subPrefix;
+ }
+
switch ($operator) {
case 'page':
- // Find bookId and which page was requested
- $pathParts = pathinfo($filename);
- // Look for preview request
- if (preg_match('/^(.*)_(cover|title|preview)$/', $pathParts['filename'], $matches) === 0) {
- return null;
+ // Look for old-style preview request - e.g. {identifier}_cover.jpg
+ if (preg_match('/^(.*)_((cover|title|preview).*)/', $filename, $matches) === 1) {
+ // Serve preview image
+ $page = $matches[2];
+ $query['page'] = $page;
+ return 'http://' . $serverBaseURL . '/BookReader/BookReaderPreview.php?' . http_build_query($query, '', '&');
}
- $bookId = $matches[1];
- $page = $matches[2];
- $query = array(
- 'id' => $identifier,
- 'bookId' => $bookId,
- 'itemPath' => $item->getMainDir(),
- 'server' => $serverBaseURL,
- 'page' => $page,
- );
- return 'http://' . $serverBaseURL . '/BookReader/BookReaderPreview.php?' . http_build_query($query, '', '&');
+
+ // New-style preview request - e.g. cover_thumb.jpg
+ if (preg_match('/^(cover|title|preview)/', $filename, $matches) === 1) {
+ $query['page'] = $filename;
+ return 'http://' . $serverBaseURL . '/BookReader/BookReaderPreview.php?' . http_build_query($query, '', '&');
+ }
+
+ // Asking for a non-preview page
+ $query['page'] = $filename;
+ return 'http://' . $serverBaseURL . '/BookReader/BookReaderImages.php?' . http_build_query($query, '', '&');
default:
+ // Unknown operator
return null;
}
return null; // was not handled
}
+ public static function browserFromUserAgent($userAgent) {
+ $browserPatterns = array(
+ 'ipad' => '/iPad/',
+ 'iphone' => '/iPhone/', // Also cover iPod Touch
+ 'android' => '/Android/',
+ );
+
+ foreach ($browserPatterns as $browser => $pattern) {
+ if (preg_match($pattern, $userAgent)) {
+ return $browser;
+ }
+ }
+ return null;
+ }
+
+
+ // $$$ Ideally we will not rely on user agent, but for the moment we do
+ public static function paramsFromUserAgent($userAgent) {
+ // $$$ using 'embed' here for devices with assumed small screens -- really should just use CSS3 media queries
+ $browserParams = array(
+ 'ipad' => array( 'ui' => 'touch' ),
+ 'iphone' => array( 'ui' => 'embed', 'mode' => '1up' ),
+ 'android' => array( 'ui' => 'embed', 'mode' => '1up' ),
+ );
+
+ $browser = BookReader::browserFromUserAgent($userAgent);
+ if ($browser) {
+ return $browserParams[$browser];
+ }
+ return array();
+ }
+
+ public static function parsePath($path) {
+ // Parse the BookReader path and return the parts
+ // e.g. itemid/some/sub/dir/page/cover.jpg -> array( 'identifier' => 'itemid', 'subPrefix' => 'some/sub/dir',
+ // 'operator' => 'page', 'filename' => 'cover.jpg')
+
+ $parts = array();
+
+ // Pull off query, e.g. ?foo=bar
+ if (preg_match('#(.*?)(\?.*)#', $path, $matches) === 1) {
+ $parts['query'] = $matches[2];
+ $path = $matches[1];
+ }
+
+ // Pull off identifier
+ if (preg_match('#[^/&?]+#', $path, $matches) === 0) {
+ // no match
+ return $parts;
+ }
+ $parts['identifier'] = $matches[0];
+ $path = substr($path, strlen($matches[0]));
+
+ // Look for operators
+ // The sub-prefix can be arbitrary, so we match up until the first operator
+ $operators = '(' . join('|', self::$downloadOperators) . ')';
+ $pattern = '#(?P<subPrefix>.*?)/(?P<operator>' . $operators . ')/(?P<operand>.*)#';
+ if (preg_match($pattern, $path, $matches) === 1) {
+ $parts['subPrefix'] = substr($matches['subPrefix'], 1); // remove leading '/'
+ $parts['operator'] = $matches['operator'];
+ $parts['operand'] = $matches['operand'];
+ } else {
+ $parts['subPrefix'] = $path;
+ }
+
+ return $parts;
+ }
+
}
-?>
\ No newline at end of file
+?>