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// 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
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