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MFClient.m
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MFClient.m
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//
// MFClient.m
// MacFusion2
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "MFClient.h"
#import "MFClientFS.h"
#import "MFClientPlugin.h"
#import "MFConstants.h"
#import "MFClientRecent.h"
#import <Security/Security.h>
#import "MFCore.h"
#define ORDERING_FILE_PATH @"~/Library/Application Support/Macfusion/Ordering.plist"
@interface MFClient(PrivateAPI)
- (void)storeFilesystem:(MFClientFS*)fs;
- (void)storePlugin:(MFClientPlugin*)plugin;
- (void)removeFilesystem:(MFClientFS*)fs;
- (void)loadOrdering;
- (void)setupKeychainMonitoring;
- (void)writeOrdering;
- (void)initializeIvars;
// Security monitoring
@property(readwrite, retain) NSMutableArray* persistentFilesystems;
@property(readwrite, retain) NSMutableArray* temporaryFilesystems;
@property(readwrite, retain) NSMutableArray* plugins;
@property(readwrite, retain) NSMutableArray* recents;
@end
@implementation MFClient
static MFClient* sharedClient = nil;
#pragma mark Singleton methods
+ (MFClient*)sharedClient
{
if (sharedClient == nil)
{
[[self alloc] init];
}
return sharedClient;
}
+ (NSSet*)keyPathsForValuesAffectingValueForKey:(NSString*)key
{
if ([key isEqualToString:@"filesystems"]
|| [key isEqualToString:@"mountedFilesystems"])
return [NSSet setWithObjects:@"persistentFilesystems", @"temporaryFilesystems", nil];
else
return [super keyPathsForValuesAffectingValueForKey: key];
}
+ (MFClient*)allocWithZone:(NSZone*)zone
{
if (sharedClient == nil)
{
sharedClient = [super allocWithZone: zone];
return sharedClient;
}
return nil;
}
- (void)registerForGeneralNotifications
{
NSDistributedNotificationCenter* dnc = [NSDistributedNotificationCenter
defaultCenter];
[dnc addObserver:self
selector:@selector(handleStatusChangedNotification:)
name:kMFStatusChangedNotification
object:kMFDNCObject];
[dnc addObserver:self
selector:@selector(handleFilesystemAddedNotification:)
name:kMFFilesystemAddedNotification
object:kMFDNCObject];
[dnc addObserver:self
selector:@selector(handleFilesystemRemovedNotification:)
name:kMFFilesystemRemovedNotification
object:kMFDNCObject];
[dnc addObserver:self
selector:@selector(handleRecentsUpdatedNotification:)
name:kMFRecentsUpdatedNotification
object:kMFDNCObject];
NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
[nc addObserver:self
selector:@selector(handleApplicationTerminatingNotification:)
name:NSApplicationWillTerminateNotification
object:nil];
}
- (id) init
{
self = [super init];
if (self != nil) {
[self registerForGeneralNotifications];
[self initializeIvars];
[self setupKeychainMonitoring];
}
return self;
}
- (void)initializeIvars
{
// persistentFilesystems = [NSMutableArray array];
// temporaryFilesystems = [NSMutableArray array];
plugins = [NSMutableArray array];
recents = [NSMutableArray array];
persistentFilesystems = [NSMutableArray array];
temporaryFilesystems = [NSMutableArray array];
}
- (void)fillInitialStatus
{
// Reset everything
[self initializeIvars];
// Fill plugins
NSArray* remotePlugins = [server plugins];
NSArray* remoteFilesystems = [server filesystems];
pluginsDictionary = [NSMutableDictionary dictionaryWithCapacity:10];
for(id remotePlugin in remotePlugins)
{
MFClientPlugin* plugin = [[MFClientPlugin alloc] initWithRemotePlugin:
remotePlugin];
if (plugin)
[self storePlugin: plugin];
else
MFLogS(self, @"Could not init client plugin from server plugin %@", remotePlugin);
}
// Fill filesystems
filesystemsDictionary = [NSMutableDictionary dictionaryWithCapacity:10];
for(id remoteFS in remoteFilesystems)
{
MFClientPlugin* plugin = [pluginsDictionary objectForKey: [remoteFS pluginID]];
MFClientFS* fs = [MFClientFS clientFSWithRemoteFS: remoteFS
clientPlugin: plugin];
if (fs)
[self storeFilesystem: fs];
else
MFLogSO(self, remoteFS, @"Could not init client fs from server fs %@", remoteFS);
}
// Fill Recents
NSMutableArray* recentsFromServer = [[server recents] mutableCopy];
for (NSDictionary* recent in recentsFromServer)
[[self mutableArrayValueForKey:@"recents"] addObject:
[[MFClientRecent alloc] initWithParameterDictionary: recent]];
[self loadOrdering];
}
- (BOOL)establishCommunication
{
// Set up DO
id serverObject = [NSConnection rootProxyForConnectionWithRegisteredName:kMFDistributedObjectName
host:nil];
[serverObject setProtocolForProxy:@protocol(MFServerProtocol)];
server = (id <MFServerProtocol>)serverObject;
if (serverObject)
{
return YES;
}
else
{
return NO;
}
}
- (BOOL)setup
{
if ([self establishCommunication])
{
[self fillInitialStatus];
return YES;
}
return NO;
}
#pragma mark Notification handling
- (void)handleStatusChangedNotification:(NSNotification*)note
{
// MFLogS(self, @"Status change notification received %@", note);
NSDictionary* info = [note userInfo];
NSString* uuid = [info objectForKey: KMFFSUUIDParameter];
MFClientFS* fs = [self filesystemWithUUID: uuid];
[fs handleStatusInfoChangedNotification:note];
}
- (void)handleFilesystemAddedNotification:(NSNotification*)note
{
NSDictionary* info = [note userInfo];
NSString* uuid = [info objectForKey: KMFFSUUIDParameter];
id remoteFilesystem = [server filesystemWithUUID: uuid];
if (![self filesystemWithUUID:uuid])
{
MFClientPlugin* plugin = [pluginsDictionary objectForKey: [remoteFilesystem pluginID]];
MFClientFS* fs = [MFClientFS clientFSWithRemoteFS:remoteFilesystem
clientPlugin:plugin];
[self storeFilesystem:fs ];
}
}
- (void)handleFilesystemRemovedNotification:(NSNotification*)note
{
NSDictionary* info = [note userInfo];
NSString* uuid = [info objectForKey: KMFFSUUIDParameter];
MFClientFS* fs = [self filesystemWithUUID: uuid];
[self removeFilesystem:fs];
}
#pragma mark Action methods
- (MFClientFS*)newFilesystemWithPlugin:(MFClientPlugin*)plugin
{
NSAssert(plugin, @"MFClient asked to make new filesystem with nil plugin");
id newRemoteFS = [server newFilesystemWithPluginName: plugin.ID];
MFClientFS* newFS = [[MFClientFS alloc] initWithRemoteFS: newRemoteFS
clientPlugin: plugin];
[self storeFilesystem:newFS ];
return newFS;
}
- (MFClientFS*)quickMountFilesystemWithURL:(NSURL*)url
error:(NSError**)error
{
id remoteFS = [server quickMountWithURL:url];
if (!remoteFS)
{
NSError* serverError = [server recentError];
if (serverError)
*error = serverError;
return nil;
}
else
{
if ([self filesystemWithUUID:[remoteFS uuid]])
{
return [self filesystemWithUUID: [remoteFS uuid]];
}
MFClientPlugin* plugin = [self pluginWithID: [remoteFS pluginID]];
MFClientFS* newFS = [[MFClientFS alloc] initWithRemoteFS: remoteFS
clientPlugin: plugin ];
[self storeFilesystem: newFS];
return newFS;
}
}
- (void)deleteFilesystem:(MFClientFS*)fs
{
NSString* uuid = [fs uuid];
[server deleteFilesystemWithUUID: uuid];
}
#pragma mark Recents
- (void)handleRecentsUpdatedNotification:(NSNotification*)note
{
NSDictionary* recentParameterDict = [[note userInfo] objectForKey: kMFRecentKey ];
[[self mutableArrayValueForKey:@"recents"] addObject:
[[MFClientRecent alloc] initWithParameterDictionary: recentParameterDict ]];
if ([[self recents] count] > 10)
[[self mutableArrayValueForKey:@"recents"] removeObjectAtIndex: 0];
}
- (MFClientFS*)mountRecent:(MFClientRecent*)recent
error:(NSError**)error;
{
NSURL* url = [NSURL URLWithString: recent.descriptionString];
if (url)
{
MFClientFS* fs = [self quickMountFilesystemWithURL: url
error: error ];
if (fs)
return fs;
}
return nil;
}
#pragma mark Security
OSStatus myKeychainCallback (
SecKeychainEvent keychainEvent,
SecKeychainCallbackInfo *info,
void *context
)
{
MFClient* self = (MFClient*)context;
// MFLogS(self, @"Keychain callback received event is %d", keychainEvent);
SecKeychainItemRef itemRef = info -> item;
NSString* uuid = (NSString*)mfsecUUIDForKeychainItemRef(itemRef);
MFClientFS* fs = [self filesystemWithUUID:uuid];
if (fs)
{
// MFLogS(self, @"Updating secrets for fs %@ due to keychain change", fs);
[fs updateSecrets];
}
return 0;
}
- (void)setupKeychainMonitoring
{
SecKeychainEventMask eventMask = kSecUpdateEventMask | kSecAddEventMask;
SecKeychainAddCallback(myKeychainCallback , eventMask, self);
}
#pragma mark Accessors and Setters
- (NSArray*)filesystems
{
NSMutableArray* filesystems = [NSMutableArray array];
[filesystems addObjectsFromArray: temporaryFilesystems];
[filesystems addObjectsFromArray: persistentFilesystems];
return [filesystems copy];
}
- (NSArray*)mountedFilesystems
{
return [self.filesystems filteredArrayUsingPredicate:
[NSPredicate predicateWithFormat:@"self.isMounted == YES"]];
}
- (void)storePlugin:(MFClientPlugin*)plugin
{
NSAssert(plugin && plugin.ID, @"plugin or ID null when storing plugin in MfClient");
[pluginsDictionary setObject: plugin forKey: plugin.ID ];
if ([plugins indexOfObject: plugin] == NSNotFound)
{
[[self mutableArrayValueForKey:@"plugins"]
addObject: plugin];
}
}
- (void)storeFilesystem:(MFClientFS*)fs
{
NSAssert(fs && fs.uuid, @"FS or fs.uuid is nil when storing fs in MFClient");
[filesystemsDictionary setObject: fs
forKey: fs.uuid];
if ([fs isPersistent] && [persistentFilesystems indexOfObject: fs] == NSNotFound)
{
[[self mutableArrayValueForKey:@"persistentFilesystems"] addObject: fs];
}
else if ( (![fs isPersistent]) && [temporaryFilesystems indexOfObject: fs] == NSNotFound)
{
[[self mutableArrayValueForKey:@"temporaryFilesystems"] addObject: fs];
}
}
- (void)removeFilesystem:(MFClientFS*)fs
{
NSAssert(fs, @"Asked to remove nil fs in MFClient");
[filesystemsDictionary removeObjectForKey: fs.uuid];
if ([fs isPersistent] && [persistentFilesystems indexOfObject: fs] != NSNotFound)
{
[[self mutableArrayValueForKey:@"persistentFilesystems"]
removeObject: fs];
}
else if (![fs isPersistent] && [temporaryFilesystems indexOfObject: fs] != NSNotFound)
{
[[self mutableArrayValueForKey:@"temporaryFilesystems"] removeObject: fs];
}
}
- (MFClientFS*)filesystemWithUUID:(NSString*)uuid
{
NSAssert(uuid, @"uuid nil when requesting FS in MFClient");
return [filesystemsDictionary objectForKey:uuid];
}
- (MFClientPlugin*)pluginWithID:(NSString*)id
{
NSAssert(id, @"id nil when requesting plugin in MFClient");
return [pluginsDictionary objectForKey:id];
}
# pragma mark UI stuff
- (void)moveUUIDS:(NSArray*)uuids
toRow:(NSUInteger)row
{
NSMutableArray* filesystemsToInsert = [NSMutableArray array];
NSMutableIndexSet* indexesToDelete = [NSMutableIndexSet indexSet];
for(NSString* uuid in uuids)
{
MFClientFS* fs = [self filesystemWithUUID: uuid];
if (fs && [fs isPersistent])
{
[filesystemsToInsert addObject: fs];
[indexesToDelete addIndex: [persistentFilesystems indexOfObject:fs]];
}
}
NSIndexSet* indexesToAdd = [NSIndexSet indexSetWithIndexesInRange:
NSMakeRange(row, [filesystemsToInsert count])];
BOOL lastRow = (row == [persistentFilesystems count]);
if (lastRow)
{
[[self mutableArrayValueForKey:@"persistentFilesystems"] addObjectsFromArray: filesystemsToInsert];
[[self mutableArrayValueForKey:@"persistentFilesystems"] removeObjectsAtIndexes:indexesToDelete];
}
else if ([indexesToAdd firstIndex] < [indexesToDelete firstIndex])
{
[[self mutableArrayValueForKey:@"persistentFilesystems"] removeObjectsAtIndexes:indexesToDelete];
[[self mutableArrayValueForKey:@"persistentFilesystems"] insertObjects:filesystemsToInsert
atIndexes:indexesToAdd];
}
else
{
[[self mutableArrayValueForKey:@"persistentFilesystems"] insertObjects:filesystemsToInsert
atIndexes:indexesToAdd];
[[self mutableArrayValueForKey:@"persistentFilesystems"] removeObjectsAtIndexes:indexesToDelete];
}
// Set the ordering correctly now
for(MFClientFS* fs in persistentFilesystems)
{
[fs setDisplayOrder: [persistentFilesystems indexOfObject: fs]];
}
[self writeOrdering];
}
- (void)writeOrdering
{
NSArray* uuidOrdering = [self.persistentFilesystems valueForKey: @"uuid"];
NSString* fullPath = [ORDERING_FILE_PATH stringByExpandingTildeInPath];
NSString* dirPath = [fullPath stringByDeletingLastPathComponent];
[[NSFileManager defaultManager] createDirectoryAtPath: dirPath
withIntermediateDirectories:YES
attributes:nil
error:NO];
[uuidOrdering writeToFile: fullPath atomically:YES];
}
- (void)loadOrdering
{
NSString* fullPath = [ORDERING_FILE_PATH stringByExpandingTildeInPath];
NSArray* uuidOrdering = [NSArray arrayWithContentsOfFile: fullPath];
if (uuidOrdering)
{
for(NSString* uuid in uuidOrdering)
if ([self filesystemWithUUID: uuid])
[[self filesystemWithUUID: uuid] setDisplayOrder:
[uuidOrdering indexOfObject: uuid]];
}
[persistentFilesystems sortUsingDescriptors:
[NSArray arrayWithObject: [[NSSortDescriptor alloc] initWithKey:@"displayOrder" ascending:YES]]];
}
- (void)handleApplicationTerminatingNotification:(NSNotification*)note
{
// [self writeOrdering];
}
- (NSString*)createMountIconForFilesystem:(MFClientFS*)fs
atPath:(NSURL*)dirPathURL
{
if (![fs isPersistent]) // We shouldn't be creating a mount icon for a non-persistent fs
return nil;
NSString* dirPath = [dirPathURL path];
NSString* filename = [NSString stringWithFormat: @"%@.fusion", [fs name]];
NSString* fullPath = [dirPath stringByAppendingPathComponent: filename];
NSDictionary* dict = [NSDictionary dictionaryWithObjectsAndKeys:
[fs uuid], KMFFSUUIDParameter, nil];
[dict writeToFile: fullPath
atomically: YES];
NSImage* iconImage = [NSImage imageNamed:@"macfusionIcon.icns"];
[[NSWorkspace sharedWorkspace] setIcon: iconImage
forFile:fullPath
options:0];
return filename;
}
@synthesize delegate, persistentFilesystems, temporaryFilesystems, plugins, recents;
@end