Add kMDItemWhereFroms metadata attribute to downloaded files. Combine with qu...

chrome/common/quarantine_mac.mm

Index: chrome/common/quarantine_mac.mm
===================================================================
--- chrome/common/quarantine_mac.mm	(revision 27123)
+++ chrome/common/quarantine_mac.mm	(working copy)
@@ -1,90 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/common/quarantine_mac.h"
-
-#include <ApplicationServices/ApplicationServices.h>
-#import <Foundation/Foundation.h>
-
-#include "base/file_path.h"
-#include "base/logging.h"
-#include "base/mac_util.h"
-#include "googleurl/src/gurl.h"
-
-namespace quarantine_mac {
-
-// The OS will automatically quarantine files due to the
-// LSFileQuarantineEnabled entry in our Info.plist, but it knows relatively
-// little about the files. We add more information about the download to
-// improve the UI shown by the OS when the users tries to open the file.
-void AddQuarantineMetadataToFile(const FilePath& file, const GURL& source,
-                                 const GURL& referrer) {
-  FSRef file_ref;
-  if (!mac_util::FSRefFromPath(file.value(), &file_ref))
-    return;
-
-  NSMutableDictionary* quarantine_properties = nil;
-  CFTypeRef quarantine_properties_base = NULL;
-  if (::LSCopyItemAttribute(&file_ref, kLSRolesAll, kLSItemQuarantineProperties,
-                            &quarantine_properties_base) == noErr) {
-    if (::CFGetTypeID(quarantine_properties_base) ==
-        ::CFDictionaryGetTypeID()) {
-      // Quarantine properties will already exist if LSFileQuarantineEnabled
-      // is on and the file doesn't match an exclusion.
-      quarantine_properties =
-          [[(NSDictionary*)quarantine_properties_base mutableCopy] autorelease];
-    } else {
-      LOG(WARNING) << "kLSItemQuarantineProperties is not a dictionary on file "
-                   << file.value();
-    }
-    ::CFRelease(quarantine_properties_base);
-  }
-
-  if (!quarantine_properties) {
-    // If there are no quarantine properties, then the file isn't quarantined
-    // (e.g., because the user has set up exclusions for certain file types).
-    // We don't want to add any metadata, because that will cause the file to
-    // be quarantined against the user's wishes.
-    return;
-  }
-
-  // kLSQuarantineAgentNameKey, kLSQuarantineAgentBundleIdentifierKey, and
-  // kLSQuarantineTimeStampKey are set for us (see LSQuarantine.h), so we only
-  // need to set the values that the OS can't infer.
-
-  if (![quarantine_properties valueForKey:(NSString*)kLSQuarantineTypeKey]) {
-    CFStringRef type = (source.SchemeIs("http") || source.SchemeIs("https"))
-                       ? kLSQuarantineTypeWebDownload
-                       : kLSQuarantineTypeOtherDownload;
-    [quarantine_properties setValue:(NSString*)type
-                             forKey:(NSString*)kLSQuarantineTypeKey];
-  }
-
-  if (![quarantine_properties
-          valueForKey:(NSString*)kLSQuarantineOriginURLKey] &&
-      referrer.is_valid()) {
-    NSString* referrer_url =
-        [NSString stringWithUTF8String:referrer.spec().c_str()];
-    [quarantine_properties setValue:referrer_url
-                             forKey:(NSString*)kLSQuarantineOriginURLKey];
-  }
-
-  if (![quarantine_properties valueForKey:(NSString*)kLSQuarantineDataURLKey] &&
-      source.is_valid()) {
-    NSString* origin_url =
-        [NSString stringWithUTF8String:source.spec().c_str()];
-    [quarantine_properties setValue:origin_url
-                             forKey:(NSString*)kLSQuarantineDataURLKey];
-  }
-
-  OSStatus os_error = ::LSSetItemAttribute(&file_ref, kLSRolesAll,
-                                           kLSItemQuarantineProperties,
-                                           quarantine_properties);
-  if (os_error != noErr) {
-    LOG(WARNING) << "Unable to set quarantine attributes on file "
-                 << file.value();
-  }
-}
-
-}  // namespace quarantine_mac