From: Cindy Li <cli@ocad.ca>
Date: Fri, 8 Oct 2010 14:22:46 +0000 (-0000)
Subject: 1. when download zip file, push down the download in chunks;
X-Git-Tag: v1.1~21
X-Git-Url: https://iam.tj/gitweb/gitweb.cgi?p=acontent.git;a=commitdiff_plain;h=76b10cdebde703cc2e96e3572a04eb3c8a328adf

1. when download zip file, push down the download in chunks;
2. upgrade flowplayer;
3. in get.php, skip "Content-length" for mp3 & mp4 files.
---

diff --git a/docs/get.php b/docs/get.php
index cae0a00..24d3c99 100644
--- a/docs/get.php
+++ b/docs/get.php
@@ -119,7 +119,11 @@ if (file_exists($real) && (substr($real, 0, strlen(TR_CONTENT_DIR)) == TR_CONTEN
 	header('x-Sendfile: ', TRUE); // if we get here then it didn't work
 
 	header('Content-Type: '.$ext);
-	header('Content-length: '.filesize($real));
+    //a hack for http://atutor.ca/atutor/mantis/view.php?id=4531
+    //@harris
+    if ($pathinfo['extension']=='mp3' || $pathinfo['extension']=='mp4') {
+        header('Content-length: '.filesize($real));
+    }
 
 	@readfile($real);
 	exit;
diff --git a/docs/home/classes/ContentUtility.class.php b/docs/home/classes/ContentUtility.class.php
index d66500e..112b733 100644
--- a/docs/home/classes/ContentUtility.class.php
+++ b/docs/home/classes/ContentUtility.class.php
@@ -187,7 +187,7 @@ class ContentUtility {
 		{
 			$text .= '
 			<script language="JavaScript">
-				$f("a.flowplayerholder", "'.TR_BASE_HREF.'include/jscripts/flowplayer/flowplayer-3.1.2.swf", { 
+				$f("a.flowplayerholder", "'.TR_BASE_HREF.'include/jscripts/flowplayer/flowplayer-3.2.5.swf", { 
 				 	clip: { autoPlay: false },  		
 			        plugins:  { 
 				        controls: { 
diff --git a/docs/images/audio_alternative.png b/docs/images/audio_alternative.png
index ead0370..b22ea34 100644
Binary files a/docs/images/audio_alternative.png and b/docs/images/audio_alternative.png differ
diff --git a/docs/images/sign_lang_alternative.png b/docs/images/sign_lang_alternative.png
index 7810880..e58c84d 100644
Binary files a/docs/images/sign_lang_alternative.png and b/docs/images/sign_lang_alternative.png differ
diff --git a/docs/images/text_alternative.png b/docs/images/text_alternative.png
index e256494..15662ab 100644
Binary files a/docs/images/text_alternative.png and b/docs/images/text_alternative.png differ
diff --git a/docs/images/visual_alternative.png b/docs/images/visual_alternative.png
index 25397f9..96d86ee 100644
Binary files a/docs/images/visual_alternative.png and b/docs/images/visual_alternative.png differ
diff --git a/docs/include/classes/FileUtility.class.php b/docs/include/classes/FileUtility.class.php
index 1c93c0f..04213c1 100644
--- a/docs/include/classes/FileUtility.class.php
+++ b/docs/include/classes/FileUtility.class.php
@@ -379,5 +379,33 @@ class FileUtility {
 		closedir($dh);
 		return '';
 	}
+
+	/**
+	 * This function is mainly used to download big zip files that are created by ATutor.
+	 * For example, download common cartridge, content package, backup.
+	 * Note that the file is only in binary, as fopen($filename, "rb"). 
+	 * Don't use it to read open text/html files
+	 * 
+	 * When downloading large files exceeding 1M, instead of use readfile() to read
+	 * the whole file into memory once at a time, push down 1M at a time. This way can
+	 * download whatever size of the file regardless of php memory limit.
+	 */  
+	function readfile_in_chunks($filename) {
+		$filesize = intval(sprintf("%u", filesize($filename)));
+		$chunk_size = 1024 * 1024;
+		
+		if ($filesize > $chunk_size) {
+			$fp = fopen($filename, "rb");
+			while (!feof($fp))
+			{
+				echo fread($fp, $chunk_size);
+				ob_flush();
+				flush();
+			}
+			fclose($fp);
+		} else {
+			readfile($filename);
+		}
+	}
 }
 ?>
\ No newline at end of file
diff --git a/docs/include/classes/zipfile.class.php b/docs/include/classes/zipfile.class.php
index d7888ec..028f3d1 100644
--- a/docs/include/classes/zipfile.class.php
+++ b/docs/include/classes/zipfile.class.php
@@ -240,9 +240,9 @@ class zipfile {
 		}
 		$file_name = str_replace(array('"', '<', '>', '|', '?', '*', ':', '/', '\\'), '', $file_name);
 
-		header("Content-type: application/octet-stream");
+		header("Content-type: archive/zip");
 		header("Content-disposition: attachment; filename=$file_name.zip");
-		readfile($this->zipfile_dir.$this->filename.'.zip');
+		FileUtility::readfile_in_chunks($this->zipfile_dir.$this->filename.'.zip');
 		exit;
 	}
 
diff --git a/docs/include/jscripts/flowplayer/flowplayer-3.1.2.min.js b/docs/include/jscripts/flowplayer/flowplayer-3.1.2.min.js
deleted file mode 100644
index 0d202cb..0000000
--- a/docs/include/jscripts/flowplayer/flowplayer-3.1.2.min.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/* 
- * flowplayer.js 3.1.2. The Flowplayer API
- * 
- * Copyright 2009 Flowplayer Oy
- * 
- * This file is part of Flowplayer.
- * 
- * Flowplayer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * Flowplayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with Flowplayer.  If not, see <http://www.gnu.org/licenses/>.
- * 
- * Date: 2009-02-25 16:24:29 -0500 (Wed, 25 Feb 2009)
- * Revision: 166 
- */
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diff --git a/docs/include/jscripts/flowplayer/flowplayer-3.2.4.min.js b/docs/include/jscripts/flowplayer/flowplayer-3.2.4.min.js
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index 0000000..f05586d
--- /dev/null
+++ b/docs/include/jscripts/flowplayer/flowplayer-3.2.4.min.js
@@ -0,0 +1,24 @@
+/* 
+ * flowplayer.js 3.2.4. The Flowplayer API
+ * 
+ * Copyright 2009 Flowplayer Oy
+ * 
+ * This file is part of Flowplayer.
+ * 
+ * Flowplayer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Flowplayer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Flowplayer.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * Date: 2010-08-25 12:48:46 +0000 (Wed, 25 Aug 2010)
+ * Revision: 551 
+ */
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index 82c03fd..0000000
Binary files a/docs/include/jscripts/flowplayer/flowplayer.controls-3.1.2.swf and /dev/null differ
diff --git a/docs/include/jscripts/flowplayer/flowplayer.controls-3.2.3.swf b/docs/include/jscripts/flowplayer/flowplayer.controls-3.2.3.swf
new file mode 100644
index 0000000..190b5be
Binary files /dev/null and b/docs/include/jscripts/flowplayer/flowplayer.controls-3.2.3.swf differ
diff --git a/docs/themes/default/include/header.tmpl.php b/docs/themes/default/include/header.tmpl.php
index ca16834..931727a 100644
--- a/docs/themes/default/include/header.tmpl.php
+++ b/docs/themes/default/include/header.tmpl.php
@@ -83,7 +83,7 @@ $starttime = $mtime;
 <?php echo $this->rtl_css; ?>
 	<script src="<?php echo $this->base_path; ?>include/jscripts/infusion/InfusionAll.js" type="text/javascript"></script>
 	<script src="<?php echo $this->base_path; ?>include/jscripts/infusion/jquery.autoHeight.js" type="text/javascript"></script>
-	<script src="<?php echo $this->base_path; ?>include/jscripts/flowplayer/flowplayer-3.1.2.min.js" type="text/javascript"></script>
+	<script src="<?php echo $this->base_path; ?>include/jscripts/flowplayer/flowplayer-3.2.4.min.js" type="text/javascript"></script>
 	<script src="<?php echo $this->base_path; ?>include/jscripts/handleAjaxResponse.js" type="text/javascript"></script>
 	<script src="<?php echo $this->base_path; ?>include/jscripts/transformable.js" type="text/javascript"></script>
 <?php echo $this->custom_css; ?>