From 3f42ca11e752696d9aaafe9b006d8e0f07136928 Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sat, 16 Jun 2012 22:05:07 -0400
Subject: Fixes #4079 detecting docx, xlsx, and pptx files in file plugin

---
 mod/file/actions/file/upload.php | 25 ++++++++++++++++++++++++-
 mod/file/start.php               |  8 ++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

(limited to 'mod/file')

diff --git a/mod/file/actions/file/upload.php b/mod/file/actions/file/upload.php
index 5242cbda2..d72d04eb7 100644
--- a/mod/file/actions/file/upload.php
+++ b/mod/file/actions/file/upload.php
@@ -94,8 +94,31 @@ if (isset($_FILES['upload']['name']) && !empty($_FILES['upload']['name'])) {
 		$filestorename = elgg_strtolower(time().$_FILES['upload']['name']);
 	}
 
-	$mime_type = $file->detectMimeType($_FILES['upload']['tmp_name'], $_FILES['upload']['type']);
 	$file->setFilename($prefix . $filestorename);
+	$mime_type = ElggFile::detectMimeType($_FILES['upload']['tmp_name'], $_FILES['upload']['type']);
+
+	// hack for Microsoft zipped formats
+	$info = pathinfo($_FILES['upload']['name']);
+	$office_formats = array('docx', 'xlsx', 'pptx');
+	if ($mime_type == "application/zip" && in_array($info['extension'], $office_formats)) {
+		switch ($info['extension']) {
+			case 'docx':
+				$mime_type = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
+				break;
+			case 'xlsx':
+				$mime_type = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+				break;
+			case 'pptx':
+				$mime_type = "application/vnd.openxmlformats-officedocument.presentationml.presentation";
+				break;
+		}
+	}
+
+	// check for bad ppt detection
+	if ($mime_type == "application/vnd.ms-office" && $info['extension'] == "ppt") {
+		$mime_type = "application/vnd.ms-powerpoint";
+	}
+
 	$file->setMimeType($mime_type);
 	$file->originalfilename = $_FILES['upload']['name'];
 	$file->simpletype = file_get_simple_type($mime_type);
diff --git a/mod/file/start.php b/mod/file/start.php
index 120129276..172042332 100644
--- a/mod/file/start.php
+++ b/mod/file/start.php
@@ -240,11 +240,15 @@ function file_get_simple_type($mimetype) {
 
 	switch ($mimetype) {
 		case "application/msword":
+		case "application/vnd.openxmlformats-officedocument.wordprocessingml.document":
 			return "document";
 			break;
 		case "application/pdf":
 			return "document";
 			break;
+		case "application/ogg":
+			return "audio";
+			break;
 	}
 
 	if (substr_count($mimetype, 'text/')) {
@@ -357,11 +361,15 @@ function file_icon_url_override($hook, $type, $returnvalue, $params) {
 		$mapping = array(
 			'application/excel' => 'excel',
 			'application/msword' => 'word',
+			'application/ogg' => 'music',
 			'application/pdf' => 'pdf',
 			'application/powerpoint' => 'ppt',
 			'application/vnd.ms-excel' => 'excel',
 			'application/vnd.ms-powerpoint' => 'ppt',
 			'application/vnd.oasis.opendocument.text' => 'openoffice',
+			'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'word',
+			'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'excel',
+			'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'ppt',
 			'application/x-gzip' => 'archive',
 			'application/x-rar-compressed' => 'archive',
 			'application/x-stuffit' => 'archive',
-- 
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