From 92aeab13fbe2dcc0cf9a3316c10863d815abda04 Mon Sep 17 00:00:00 2001
From: Damien Matabon <damien.matabon@gmail.com>
Date: Mon, 7 May 2018 14:47:28 +0200
Subject: [PATCH 1/2] Fix ParseFile MimeType guessing with uppercase extensions

---
 src/Parse/ParseFile.php       | 2 +-
 tests/Parse/ParseFileTest.php | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)
 mode change 100755 => 100644 src/Parse/ParseFile.php

diff --git a/src/Parse/ParseFile.php b/src/Parse/ParseFile.php
old mode 100755
new mode 100644
index 39409d04..d7d4ad9e
--- a/src/Parse/ParseFile.php
+++ b/src/Parse/ParseFile.php
@@ -119,7 +119,7 @@ public function getMimeType()
             // return an inferred mime type instead
             $fileParts = explode('.', $this->getName());
             $extension = array_pop($fileParts);
-            return $this->getMimeTypeForExtension($extension);
+            return $this->getMimeTypeForExtension(strtolower($extension));
         }
     }
 
diff --git a/tests/Parse/ParseFileTest.php b/tests/Parse/ParseFileTest.php
index 987a6ffc..a3a74e39 100644
--- a/tests/Parse/ParseFileTest.php
+++ b/tests/Parse/ParseFileTest.php
@@ -128,22 +128,27 @@ public function testParseFileTypes()
         $file = ParseFile::createFromData($contents, 'noextension');
         $file2 = ParseFile::createFromData($contents, 'photo.png', 'text/plain');
         $file3 = ParseFile::createFromData($contents, 'photo.png');
+        $file4 = ParseFile::createFromData($contents, 'photo.PNG');
         $file->save();
         $file2->save();
         $file3->save();
+        $file4->save();
 
         // check initial mime types after creating from data
         $this->assertEquals('unknown/unknown', $file->getMimeType());
         $this->assertEquals('text/plain', $file2->getMimeType());
         $this->assertEquals('image/png', $file3->getMimeType());
+        $this->assertEquals('image/png', $file4->getMimeType());
 
         $fileAgain = ParseFile::_createFromServer($file->getName(), $file->getURL());
         $file2Again = ParseFile::_createFromServer($file2->getName(), $file2->getURL());
         $file3Again = ParseFile::_createFromServer($file3->getName(), $file3->getURL());
+        $file4Again = ParseFile::_createFromServer($file4->getName(), $file4->getURL());
 
         $this->assertEquals($contents, $fileAgain->getData());
         $this->assertEquals($contents, $file2Again->getData());
         $this->assertEquals($contents, $file3Again->getData());
+        $this->assertEquals($contents, $file4Again->getData());
 
         // check mime types after calling getData
         $mt = $fileAgain->getMimeType();
@@ -154,6 +159,7 @@ public function testParseFileTypes()
         );
         $this->assertEquals('image/png', $file2Again->getMimeType());
         $this->assertEquals('image/png', $file3Again->getMimeType());
+        $this->assertEquals('image/png', $file4Again->getMimeType());
     }
 
     public function testFileOnObject()

From 30224949a8beceeb67b283525c9125f8bec56e08 Mon Sep 17 00:00:00 2001
From: Damien Matabon <damien.matabon@gmail.com>
Date: Mon, 7 May 2018 14:54:39 +0200
Subject: [PATCH 2/2] Move strtolower in getMimeTypeForExtension

---
 src/Parse/ParseFile.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Parse/ParseFile.php b/src/Parse/ParseFile.php
index d7d4ad9e..2c528501 100644
--- a/src/Parse/ParseFile.php
+++ b/src/Parse/ParseFile.php
@@ -119,7 +119,7 @@ public function getMimeType()
             // return an inferred mime type instead
             $fileParts = explode('.', $this->getName());
             $extension = array_pop($fileParts);
-            return $this->getMimeTypeForExtension(strtolower($extension));
+            return $this->getMimeTypeForExtension($extension);
         }
     }
 
@@ -269,6 +269,7 @@ private function download()
      */
     private function getMimeTypeForExtension($extension)
     {
+        $extension = strtolower($extension);
         $knownTypes = [
             'ai'      => 'application/postscript',
             'aif'     => 'audio/x-aiff',