4 * Copyright(c) 2008-2010 Internet Archive. Software license AGPL version 3.
6 * This file is part of BookReader. The full source code can be found at GitHub:
7 * http://github.com/openlibrary/bookreader
9 * Note: Edits to this file must pass through github. To submit a patch to this
10 * file please contact mang via http://github.com/mangtronix or mang at archive dot org
11 * Direct changes to this file may get clobbered when the code is synchronized
19 // Operators recognized in BookReader download URLs
20 public static $downloadOperators = array('page');
22 // Returns true if can display the book in item with a given prefix (typically the item identifier)
23 public static function canDisplay($item, $prefix, $checkOldScandata = false)
26 // A "book" is an image stack and scandata.
27 // 1. Old items may have scandata.xml or scandata.zip and itemid_{imageformat}.{zip,tar}
28 // 2. Newer items may have multiple {arbitraryname}_scandata.xml and {arbitraryname}_{imageformat}.{zip,tar}
30 $foundScandata = false;
31 $foundImageStack = false;
33 $targetScandata = $prefix . "_scandata.xml";
35 // $$$ TODO add support for jpg and tar stacks
36 // https://bugs.edge.launchpad.net/gnubook/+bug/323003
37 // https://bugs.edge.launchpad.net/gnubook/+bug/385397
38 $imageFormatRegex = '@' . preg_quote($prefix, '@') . '_(jp2|tif|jpg)\.(zip|tar)$@';
40 $baseLength = strlen($item->metadataGrabber->mainDir . '/');
41 foreach ($item->getFiles() as $location => $fileInfo) {
42 $filename = substr($location, $baseLength);
44 if ($checkOldScandata) {
45 if ($filename == 'scandata.xml' || $filename == 'scandata.zip') {
46 $foundScandata = $filename;
50 if ($filename == $targetScandata) {
51 $foundScandata = $filename;
54 if (preg_match($imageFormatRegex, $filename)) {
55 $foundImageStack = $filename;
59 if ($foundScandata && $foundImageStack) {
66 // Finds the prefix to use for the book given the part of the URL trailing after /stream/
67 public static function findPrefix($urlPortion)
69 if (!preg_match('#[^/&?]+#', $urlPortion, $matches)) {
70 // URL portion was empty or started with /, &, or ? -- no item identifier
74 $prefix = $matches[0]; // item identifier
76 // $$$ Currently swallows the rest of the URL.
77 // If we want to support e.g. /stream/itemid/subdir/prefix/page/23 will need to adjust.
78 if (preg_match('#[^/&?]+/([^&?]+)#', $urlPortion, $matches)) {
79 // Match is everything after item identifier and slash, up to end or ? or &
80 // e.g. itemid/{match/these/parts}?foo=bar
81 $prefix = $matches[1]; // sub prefix --
87 // $$$ would be cleaner to use different templates instead of the uiMode param
89 // @param subprefix Optional prefix to display a book inside an item (e.g. if does not match identifier)
90 public static function draw($server, $mainDir, $identifier, $subPrefix, $title,
91 $coverLeaf=null, $titleStart='Internet Archive', $uiMode='full')
93 // Set title to default if not set
95 $title = 'BookReader';
100 // manually update with Launchpad version number at each checkin so that browsers
101 // do not use old cached version
102 // see https://bugs.launchpad.net/gnubook/+bug/330748
105 if (BookReader::getDevHost($server)) {
106 // On dev host - add time to force reload
107 // If debugging on IE, remove this line otherwise breakpoints will be invalid after reload
108 $version .= '_' . time();
112 echo "No identifier specified!";
116 $metaURL = BookReader::jsMetadataURL($server, $identifier, $mainDir, $subPrefix);
117 $metaURL .= "&version=" . $version;
118 $locateURL = BookReader::jsLocateURL($identifier, $subPrefix);
119 $coverThumb = 'http://www.archive.org/download/' . $identifier . '/'. $subPrefix . '/page/cover_w114.jpg';
120 // startup-up-image must be exactly 320x460
121 //$startupImage = 'http://www.archive.org/download/' . $identifier . '/'. $subPrefix . '/page/cover_w512.jpg';
124 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
127 <meta name="viewport" content="width=device-width, maximum-scale=1.0" />
128 <meta name="apple-mobile-web-app-capable" content="yes" />
129 <meta name="apple-mobile-web-app-status-bar-style" content="black" />
130 <link rel="apple-touch-icon" href="<? echo($coverThumb); ?>" />
131 <title><? echo $title; ?></title>
133 <meta http-equiv="refresh" content="2; URL=/bookreader/browserunsupported.php?id=<? echo($id); ?>">
135 <link rel="stylesheet" type="text/css" href="/bookreader/BookReader.css?v=<? echo($version); ?>">
136 <? if ($uiMode == "embed") { ?>
137 <link rel="stylesheet" type="text/css" href="/bookreader/BookReaderEmbed.css?v=<? echo($version); ?>">
138 <? } elseif ($uiMode == "touch") { ?>
139 <link rel="stylesheet" type="text/css" href="/bookreader/touch/BookReaderTouch.css?v=<? echo($version); ?>">
141 <script src="/includes/jquery-1.4.2.min.js" type="text/javascript"></script>
142 <script type="text/javascript" src="/bookreader/jquery-ui-1.8.5.custom.min.js?v=<? echo($version); ?>"></script>
143 <script type="text/javascript" src="http://www.archive.org/includes/analytics.js?v=2"></script>
144 <script type="text/javascript" src="/bookreader/dragscrollable.js?v=<? echo($version); ?>"></script>
145 <script type="text/javascript" src="/bookreader/jquery.colorbox-min.js"></script>
146 <script type="text/javascript" src="/bookreader/jquery.ui.ipad.js"></script>
147 <!-- THIS ALLOWS BEAUTYTIPS TO WORK ON IE -->
149 <script type="text/javascript" src="/includes/excanvas.compiled.js"></script>
151 <script type="text/javascript" src="/bookreader/jquery.bt.min.js"></script>
152 <script type="text/javascript" src="/bookreader/BookReader.js?v=<? echo($version); ?>"></script>
153 <? if ( !preg_match("/mobile/i", $_SERVER['HTTP_USER_AGENT']) ) { ?>
154 <script type="text/javascript" src="/bookreader/soundmanager/soundmanager2-ia.js?v=<? echo($version); ?>"></script>
156 soundManager.debugMode = false;
157 soundManager.url = '/bookreader/soundmanager/swf/';
158 soundManager.useHTML5Audio = true;
159 soundManager.flashVersion = 9; //flash 8 version of swf is buggy when calling play() on a sound that is still loading
161 <? } /* mobile user agent */ ?>
163 <body style="background-color: ##939598;">
167 // <? if ($uiMode == 'full') { ?>
168 // <div id="BookReader" style="left:10px; right:200px; top:10px; bottom:2em;">Internet Archive BookReader <noscript>requires JavaScript to be enabled.</noscript></div>
170 // <div id="BookReader" style="left:0; right:0; top:0; bottom:0; border:0">Internet Archive Bookreader <noscript>requires JavaScript to be enabled.</noscript></div>
175 <div id="BookReader">
176 Internet Archive BookReader - <? echo $title; ?>
181 The BookReader requires JavaScript to be enabled. Please check that your browser supports JavaScript and that it is enabled in the browser settings. You can also try one of the <a href="http://www.archive.org/details/<? echo $identifier; ?>"> other formats of the book</a>.
186 <script type="text/javascript">
187 // Set some config variables -- $$$ NB: Config object format has not been finalized
189 <? if ($uiMode == 'embed') { ?>
190 brConfig["mode"] = 1;
191 brConfig["ui"] = "embed";
193 brConfig["mode"] = 2;
196 <!-- The script included below is dynamically generated JavaScript that includes the book metadata and page image access functions.
197 The ia{number}.us.archive.org server referenced below can and does change, so this URL should NOT be used for permanent access. -->
198 <script type="text/javascript" src="<? echo($metaURL); ?>"></script>
199 <!-- This URL will find the item and redirect to the correct server. Remove the line above and use the URL below for stable access. -->
200 <!-- <script type="text/javascript" src="<? echo($locateURL); ?>"></script> -->
202 <script type="text/javascript">
204 if(window.archive_analytics) { window.archive_analytics.values['bookreader'] = 'open'};
210 // Returns the user part of dev host from URL, or null
211 public static function getDevHost($server)
213 if (preg_match("/^www-(\w+)/", $_SERVER["SERVER_NAME"], $match)) {
221 public static function serverBaseURL($server)
223 // Check if we're on a dev vhost and point to JSIA in the user's public_html
225 // $$$ the remapping isn't totally automatic yet and requires user to
226 // ln -s ~/petabox/www/datanode/BookReader ~/public_html/BookReader
227 // so we enable it only for known hosts
228 $devhost = BookReader::getDevHost($server);
229 $devhosts = array('mang', 'testflip', 'rkumar');
230 if (in_array($devhost, $devhosts)) {
231 $server = $server . "/~" . $devhost;
237 public static function jsMetadataURL($server, $identifier, $mainDir, $subPrefix = '')
239 $serverBaseURL = BookReader::serverBaseURL($server);
241 $params = array( 'id' => $identifier, 'itemPath' => $mainDir, 'server' => $server );
243 $params['subPrefix'] = $subPrefix;
246 $keys = array_keys($params);
247 $lastParam = end($keys);
248 $url = "http://{$serverBaseURL}/BookReader/BookReaderJSIA.php?";
249 foreach($params as $param=>$value) {
250 $url .= $param . '=' . $value;
251 if ($param != $lastParam) {
259 // This returns a URL that finds the item then returns a redirect to BookReaderJSIA.php
260 // on the item's server.
261 public static function jsLocateURL($identifier, $subPrefix = '')
263 $locateURL = 'http://www.archive.org/bookreader/BookReaderJSLocate.php?id=' . $identifier;
265 $locateURL .= '&subPrefix=' . $subPrefix;
270 // Return the URL for the requested /download/$path, or null
271 public static function getURL($path, $item) {
272 // $path should look like {itemId}/{operator}/{filename}
273 // Other operators may be added
275 $urlParts = BookReader::parsePath($path);
277 // Check for non-handled cases
278 $required = array('identifier', 'operator', 'operand');
279 foreach ($required as $key) {
280 if (!array_key_exists($key, $urlParts)) {
285 $identifier = $urlParts['identifier'];
286 $operator = $urlParts['operator'];
287 $filename = $urlParts['operand'];
288 $subPrefix = $urlParts['subPrefix'];
290 $serverBaseURL = BookReader::serverBaseURL($item->getServer());
292 // Baseline query params
295 'itemPath' => $item->getMainDir(),
296 'server' => $serverBaseURL
299 $query['subPrefix'] = $subPrefix;
305 // Look for old-style preview request - e.g. {identifier}_cover.jpg
306 if (preg_match('/^(.*)_((cover|title|preview).*)/', $filename, $matches) === 1) {
307 // Serve preview image
309 $query['page'] = $page;
310 return 'http://' . $serverBaseURL . '/BookReader/BookReaderPreview.php?' . http_build_query($query, '', '&');
313 // New-style preview request - e.g. cover_thumb.jpg
314 if (preg_match('/^(cover|title|preview)/', $filename, $matches) === 1) {
315 $query['page'] = $filename;
316 return 'http://' . $serverBaseURL . '/BookReader/BookReaderPreview.php?' . http_build_query($query, '', '&');
319 // Asking for a non-preview page
320 $query['page'] = $filename;
321 return 'http://' . $serverBaseURL . '/BookReader/BookReaderImages.php?' . http_build_query($query, '', '&');
328 return null; // was not handled
331 public static function browserFromUserAgent($userAgent) {
332 $browserPatterns = array(
334 'iphone' => '/iPhone/', // Also cover iPod Touch
335 'android' => '/Android/',
338 foreach ($browserPatterns as $browser => $pattern) {
339 if (preg_match($pattern, $userAgent)) {
347 // $$$ Ideally we will not rely on user agent, but for the moment we do
348 public static function paramsFromUserAgent($userAgent) {
349 // $$$ using 'embed' here for devices with assumed small screens -- really should just use CSS3 media queries
350 $browserParams = array(
351 'ipad' => array( 'ui' => 'touch' ),
352 'iphone' => array( 'ui' => 'embed', 'mode' => '1up' ),
353 'android' => array( 'ui' => 'embed', 'mode' => '1up' ),
356 $browser = BookReader::browserFromUserAgent($userAgent);
358 return $browserParams[$browser];
363 public static function parsePath($path) {
364 // Parse the BookReader path and return the parts
365 // e.g. itemid/some/sub/dir/page/cover.jpg -> array( 'identifier' => 'itemid', 'subPrefix' => 'some/sub/dir',
366 // 'operator' => 'page', 'filename' => 'cover.jpg')
370 // Pull off query, e.g. ?foo=bar
371 if (preg_match('#(.*?)(\?.*)#', $path, $matches) === 1) {
372 $parts['query'] = $matches[2];
376 // Pull off identifier
377 if (preg_match('#[^/&?]+#', $path, $matches) === 0) {
381 $parts['identifier'] = $matches[0];
382 $path = substr($path, strlen($matches[0]));
384 // Look for operators
385 // The sub-prefix can be arbitrary, so we match up until the first operator
386 $operators = '(' . join('|', self::$downloadOperators) . ')';
387 $pattern = '#(?P<subPrefix>.*?)/(?P<operator>' . $operators . ')/(?P<operand>.*)#';
388 if (preg_match($pattern, $path, $matches) === 1) {
389 $parts['subPrefix'] = substr($matches['subPrefix'], 1); // remove leading '/'
390 $parts['operator'] = $matches['operator'];
391 $parts['operand'] = $matches['operand'];
393 $parts['subPrefix'] = $path;