Retry failed browser or node service requests that may have an updated URL in the...
[pithos-macos] / pithos-macos / PithosSubdirNode.m
index 406d58c..6181da7 100644 (file)
@@ -2,7 +2,7 @@
 //  PithosSubdirNode.m
 //  pithos-macos
 //
-// Copyright 2011 GRNET S.A. All rights reserved.
+// Copyright 2011-2013 GRNET S.A. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or
 // without modification, are permitted provided that the following
 
 #import "PithosSubdirNode.h"
 #import "ASIPithosRequest.h"
+#import "ASIPithos.h"
 #import "ASIPithosObjectRequest.h"
 #import "ASIPithosContainer.h"
 #import "ASIPithosObject.h"
+#import "ASIPithosSharingUser.h"
+#import "ASINetworkQueue.h"
 #import "ASIDownloadCache.h"
-#import "PithosFileUtilities.h"
+#import "PithosAccount.h"
+#import "PithosUtilities.h"
+#import "PithosObjectNodeInfoController.h"
 
 static NSImage *sharedIcon = nil;
 
 @implementation PithosSubdirNode
-@synthesize pithosObject;
-@synthesize isPublic;
+@synthesize pithosObject, versions, applyMetadataObjectRequest, refreshMetadataObjectRequest, refreshVersionsObjectRequest;
+@synthesize isPublic, translatedModifiedBy, translatedPermissions;
 
 + (void)initialize {
        if (self == [PithosSubdirNode class])
-        sharedIcon = [[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGenericFolderIcon)] retain];
+        sharedIcon = [[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGenericFolderIcon)];
 }
 
 #pragma mark -
 #pragma mark Object Lifecycle
 
-- (id)initWithPithosContainer:(ASIPithosContainer *)aPithosContainer pithosObject:(ASIPithosObject *)aPithosObject {
-    if ((self = [super init])) {
+- (id)initWithPithosAccountManager:(PithosAccount *)aPithosAccountManager
+                   pithosContainer:(ASIPithosContainer *)aPithosContainer
+                      pithosObject:(ASIPithosObject *)aPithosObject {
+    if ((self = [super initWithPithosAccountManager:aPithosAccountManager])) {
+        refreshParent = NO;
         self.pithosContainer = aPithosContainer;
         self.pithosObject = aPithosObject;
-        childrenUpdatedNotificationName = @"PithosSubdirNodeChildrenUpdated";
-        refreshParent = NO;
     }
     return self;
 }
 
 - (void)dealloc {
+    [refreshVersionsObjectRequest clearDelegatesAndCancel];
     [refreshMetadataObjectRequest clearDelegatesAndCancel];
-    [refreshMetadataObjectRequest release];
     [applyMetadataObjectRequest clearDelegatesAndCancel];
-    [applyMetadataObjectRequest release];
-    [pithosObject release];
-    [super dealloc];
+}
+
+#pragma mark -
+#pragma mark Internal
+
+- (void)updateModifiedBy {
+    if (!pithosObject.modifiedBy) {
+        self.translatedModifiedBy = nil;
+    } else if (pithosAccountManager) {
+        NSString *displayname = [pithosAccountManager displaynameForUUID:pithosObject.modifiedBy safe:NO];
+        if (displayname) {
+            self.translatedModifiedBy = displayname;
+        } else {
+            [pithosAccountManager updateUserCatalogForDisplaynames:nil UUIDs:[NSArray arrayWithObject:pithosObject.modifiedBy]];
+            self.translatedModifiedBy = [pithosAccountManager displaynameForUUID:pithosObject.modifiedBy safe:YES];
+        }
+    } else {
+        self.translatedModifiedBy = [pithosObject.modifiedBy copy];
+    }
+}
+
+- (void)updatePermissions {
+    if (!pithosObject) {
+        self.translatedPermissions = [NSMutableArray array];
+    } else if (pithosAccountManager) {
+        NSMutableSet *UUIDs = [NSMutableSet set];
+        for (ASIPithosSharingUser *sharingUser in pithosObject.permissions) {
+            [UUIDs addObject:sharingUser.name];
+        }
+        [UUIDs removeObject:@""];
+        [UUIDs removeObject:@"*"];
+        if (UUIDs.count) {
+            [pithosAccountManager updateUserCatalogForDisplaynames:nil UUIDs:[UUIDs allObjects]];
+        }
+        
+        NSMutableArray *newTranslatedPermissions = [NSMutableArray arrayWithCapacity:pithosObject.permissions.count];
+        for (ASIPithosSharingUser *sharingUser in pithosObject.permissions) {
+            ASIPithosSharingUser *translatedSharingUser = [sharingUser copy];
+            translatedSharingUser.name = [pithosAccountManager displaynameForUUID:translatedSharingUser.name safe:YES];
+            [newTranslatedPermissions addObject:translatedSharingUser];
+        }
+        self.translatedPermissions = newTranslatedPermissions;
+    } else {
+        self.translatedPermissions = [NSMutableArray arrayWithArray:[pithosObject.permissions copy]];
+    }
 }
 
 #pragma mark -
 #pragma mark Properties
 
+
 - (NSString *)url {
-    if (url == nil) 
-        url = [[NSString alloc] initWithFormat:@"subdir %@/%@/%@", [ASIPithosRequest storageURL], pithosContainer.name, prefix];
-    return url;
+    return [NSString stringWithFormat:@"@subdir@%@/%@/%@%@",
+            (sharingAccount ? sharingAccount : pithosAccountManager.pithos.authUser),
+            pithosContainer.name,
+            prefix,
+            (shared ? @"?shared" : @"")];
 }
 
 - (NSString *)displayName {
-    NSString *name = [pithosObject.name lastPathComponent];
-    if (!pithosObject.subdir && [pithosObject.name hasSuffix:@"/"]) {
-        return [name stringByAppendingString:@"/"];
+    if (displayName == nil) {
+        displayName = [pithosObject.name lastPathComponent];
+        if (!pithosObject.subdir && [pithosObject.name hasSuffix:@"/"])
+            displayName = [displayName stringByAppendingString:@"/"];
     } 
-    return name;
+    return [displayName copy];
+}
+
+- (void)setDisplayName:(NSString *)aDisplayName {    
 }
 
 - (NSImage *)icon {
-    if (icon)
-        return icon;
-    return sharedIcon;
+    if (icon == nil)
+        icon = sharedIcon;
+    return icon;
 }
 
 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
     if (![pithosObject isEqualTo:aPithosObject]) {
-        [pithosObject release];
-        pithosObject = [aPithosObject retain];
+        pithosObject = aPithosObject;
+        [self updateModifiedBy];
+        [self updatePermissions];
     }
     if (pithosObject.subdir) {
         self.prefix = [pithosObject.name substringToIndex:([pithosObject.name length] - 1)];
@@ -110,6 +166,117 @@ static NSImage *sharedIcon = nil;
         self.prefix = [NSString stringWithString:pithosObject.name];
     }
     self.isPublic = (pithosObject.publicURI != nil);
+    // Refresh browser if the object is in my shared and is no longer shared
+    if (shared && !pithosObject.subdir && !pithosObject.sharing) {
+        [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosBrowserRefreshNeeded" object:self];
+    }
+}
+
+- (void)setLimitedPithosObject:(ASIPithosObject *)aPithosObject {
+    if (![pithosObject isEqualTo:aPithosObject]) {
+        self.pithosObject.subdir = aPithosObject.subdir;
+        self.pithosObject.name = aPithosObject.name;
+        self.pithosObject.hash = aPithosObject.hash;
+        self.pithosObject.objectHash = aPithosObject.objectHash;
+        self.pithosObject.UUID = aPithosObject.UUID;
+        self.pithosObject.bytes = aPithosObject.bytes;
+        self.pithosObject.contentType = aPithosObject.contentType;
+        self.pithosObject.lastModified = aPithosObject.lastModified;
+        self.pithosObject.version = aPithosObject.version;
+        self.pithosObject.versionTimestamp = aPithosObject.versionTimestamp;
+        self.pithosObject.modifiedBy = aPithosObject.modifiedBy;
+        self.pithosObject.sharedBy = aPithosObject.sharedBy;
+        self.pithosObject.allowedTo = aPithosObject.allowedTo;
+        if (!pithosNodeInfoController) {
+            self.pithosObject.sharing = aPithosObject.sharing;
+            self.pithosObject.publicURI = aPithosObject.publicURI;
+            self.pithosObject = pithosObject;
+            [self updatePermissions];
+        } else {
+            [self updateModifiedBy];
+        }
+    }
+}
+
+#pragma mark -
+#pragma mark ASIHTTPRequestDelegate
+
+- (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
+    @autoreleasepool {
+        DLog(@"URL: %@", [request url]);
+        DLog(@"cached: %d", [request didUseCachedResponse]);
+        
+        if ([request isEqualTo:applyMetadataObjectRequest]) {
+            int responseStatusCode = applyMetadataObjectRequest.responseStatusCode;
+            if ((responseStatusCode != 201) && (responseStatusCode != 202))
+                [PithosUtilities unexpectedResponseStatusAlertWithRequest:applyMetadataObjectRequest];
+            @synchronized(self) {
+                self.applyMetadataObjectRequest = nil;
+            }
+            if ((responseStatusCode == 201) || (responseStatusCode == 202))
+                [self refreshInfo];
+        } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
+            [[pithosNodeInfoController window] makeFirstResponder:nil];
+            self.pithosObject = [refreshMetadataObjectRequest object];
+            if (refreshParent) {
+                // Ask the parent for refresh for the case where an object was removed
+                // It is done here so that it doesn't affect the info window refresh
+                [parent refresh];
+                refreshParent = NO;
+            }
+            @synchronized(self) {
+                self.refreshMetadataObjectRequest = nil;
+            }
+        } else if ([request isEqualTo:refreshVersionsObjectRequest]) {
+            [[pithosNodeInfoController window] makeFirstResponder:nil];
+            self.versions = [refreshVersionsObjectRequest versions];
+            @synchronized(self) {
+                self.refreshVersionsObjectRequest = nil;
+            }
+        }
+    }
+}
+
+- (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
+    @autoreleasepool {
+        NSUInteger retries = [[request.userInfo objectForKey:@"retries"] unsignedIntegerValue];
+        if (retries > 0) {
+            ASIPithosObjectRequest *newRequest = (ASIPithosObjectRequest *)[PithosUtilities retryWithUpdatedURLRequest:request
+                                                                                               andPithosAccountManager:pithosAccountManager];
+            [(NSMutableDictionary *)(newRequest.userInfo)setObject:[NSNumber numberWithUnsignedInteger:(--retries)] forKey:@"retries"];
+            if ([request isEqualTo:applyMetadataObjectRequest]) {
+                @synchronized(self) {
+                    self.applyMetadataObjectRequest = newRequest;
+                }
+            } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
+                @synchronized(self) {
+                    self.refreshMetadataObjectRequest = newRequest;
+                }
+            } else if ([request isEqualTo:refreshVersionsObjectRequest]) {
+                @synchronized(self) {
+                    self.refreshVersionsObjectRequest = newRequest;
+                }
+            }
+            [[PithosUtilities prepareRequest:newRequest priority:[[newRequest.userInfo objectForKey:@"priority"] integerValue]] startAsynchronous];
+        } else {
+            if ([request isEqualTo:applyMetadataObjectRequest]) {
+                [PithosUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
+                @synchronized(self) {
+                    self.applyMetadataObjectRequest = nil;
+                }
+            } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
+                [PithosUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
+                @synchronized(self) {
+                    self.refreshMetadataObjectRequest = nil;
+                }
+            } else if ([request isEqualTo:refreshVersionsObjectRequest]) {
+                [PithosUtilities httpRequestErrorAlertWithRequest:refreshVersionsObjectRequest];
+                @synchronized(self) {
+                    self.refreshVersionsObjectRequest = nil;
+                }
+            }
+        }
+    }
 }
 
 #pragma mark -
@@ -121,36 +288,30 @@ static NSImage *sharedIcon = nil;
             if (pithosObject.subdir) {
                 BOOL createObject = NO;
                 NSAlert *alert;
-                ASIPithosObjectRequest *request = [ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name 
-                                                                                                      objectName:prefix];
-                [request startSynchronous];
+                ASIPithosObjectRequest *request = [ASIPithosObjectRequest objectMetadataRequestWithPithos:pithosAccountManager.pithos 
+                                                                                            containerName:pithosContainer.name 
+                                                                                               objectName:prefix];
+                [PithosUtilities startAndWaitForRequest:request];
                 if ([request error]) {
-                    alert = [[[NSAlert alloc] init] autorelease];
-                    [alert setMessageText:@"HTTP Request Error"];
-                    [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
-                    [alert addButtonWithTitle:@"OK"];
-                    [alert runModal];
+                    [PithosUtilities httpRequestErrorAlertWithRequest:request];
                     return;
                 } else if (request.responseStatusCode == 200) {
-                    alert = [[[NSAlert alloc] init] autorelease];
+                    alert = [[NSAlert alloc] init];
                     [alert setMessageText:@"Apply changes"];
                     [alert setInformativeText:[NSString stringWithFormat:@"In order to apply the changes in '%@', the object at the same path must be replaced. Continue?", self.displayName]];
                     [alert addButtonWithTitle:@"OK"];
                     [alert addButtonWithTitle:@"Cancel"];
                     NSInteger choice = [alert runModal];
                     if (choice == NSAlertFirstButtonReturn) {
-                        request = [ASIPithosObjectRequest deleteObjectRequestWithContainerName:pithosContainer.name 
-                                                                                       objectName:prefix];
-                        [request startSynchronous];
+                        request = [ASIPithosObjectRequest deleteObjectRequestWithPithos:pithosAccountManager.pithos 
+                                                                          containerName:pithosContainer.name 
+                                                                             objectName:prefix];
+                        [PithosUtilities startAndWaitForRequest:request];
                         if ([request error]) {
-                            alert = [[[NSAlert alloc] init] autorelease];
-                            [alert setMessageText:@"HTTP Request Error"];
-                            [alert setInformativeText:[NSString stringWithFormat:@"An error occured: %@", [request error]]];
-                            [alert addButtonWithTitle:@"OK"];
-                            [alert runModal];
+                            [PithosUtilities httpRequestErrorAlertWithRequest:request];
                             return;
                         } else if (request.responseStatusCode != 204) {
-                            [PithosFileUtilities unexpectedResponseStatusAlertWithRequest:request];
+                            [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
                             return;
                         }
                         refreshParent = YES;
@@ -161,41 +322,307 @@ static NSImage *sharedIcon = nil;
                 } else if (request.responseStatusCode == 404) {
                     createObject = YES;
                 } else {
-                    [PithosFileUtilities unexpectedResponseStatusAlertWithRequest:request];
+                    [PithosUtilities unexpectedResponseStatusAlertWithRequest:request];
                     return;
                 }
                 if (createObject) {
-                    applyMetadataObjectRequest = [[ASIPithosObjectRequest writeObjectDataRequestWithContainerName:pithosContainer.name 
-                                                                                                       objectName:prefix 
-                                                                                                             eTag:nil
-                                                                                                      contentType:@"application/directory"
-                                                                                                  contentEncoding:nil 
-                                                                                               contentDisposition:nil 
-                                                                                                         manifest:nil 
-                                                                                                          sharing:pithosObject.sharing 
-                                                                                                         isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 
-                                                                                                         metadata:pithosObject.metadata 
-                                                                                                             data:[NSData data]] retain];
+                    [[pithosNodeInfoController window] makeFirstResponder:nil];
+                    NSMutableArray *permissions = [NSMutableArray array];
+                    if (translatedPermissions.count) {
+                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                            if (translatedsSharingUser.group.length &&
+                                [translatedsSharingUser.group rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@" -_~,;"]].location != NSNotFound) {
+                                NSAlert *alert = [[NSAlert alloc] init];
+                                [alert setMessageText:@"Invalid Input"];
+                                [alert setInformativeText:@"Group names cannot contain ' ', '-', '_', '~', ',' or ';'."];
+                                [alert addButtonWithTitle:@"OK"];
+                                [alert runModal];
+                                return;
+                            }
+                        }
+                        if (pithosAccountManager) {
+                            NSMutableSet *allUsers = [NSMutableSet set];
+                            for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                if (translatedsSharingUser.name.length) {
+                                    [allUsers addObject:translatedsSharingUser.name];
+                                }
+                            }
+                            [allUsers removeObject:@""];
+                            [allUsers removeObject:@"*"];
+                            if (allUsers.count) {
+                                ASIPithosRequest *userCatalogRequest = [pithosAccountManager updateUserCatalogForDisplaynames:[allUsers allObjects]
+                                                                                                                           UUIDs:nil];
+                                if (userCatalogRequest.error || ((userCatalogRequest.responseStatusCode != 200) && (userCatalogRequest.responseStatusCode != 404))) {
+                                    return;
+                                } else if (userCatalogRequest.responseStatusCode == 200) {
+                                    // Check if all users exist.
+                                    NSDictionary *displaynameCatalog = [userCatalogRequest displaynameCatalog];
+                                    NSMutableArray *inexistentUsers = [NSMutableArray array];
+                                    for (NSString *user in allUsers) {
+                                        if (![displaynameCatalog objectForKey:user]) {
+                                            [inexistentUsers addObject:user];
+                                        }
+                                    }
+                                    if (!inexistentUsers.count) {
+                                        // Create permissions.
+                                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                            if (translatedsSharingUser.name.length) {
+                                                ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                                if (![sharingUser.name isEqualToString:@"*"]) {
+                                                    sharingUser.name = [displaynameCatalog objectForKey:sharingUser.name];
+                                                }
+                                                if (!sharingUser.permission) {
+                                                    sharingUser.permission = @"read";
+                                                }
+                                                [permissions addObject:sharingUser];
+                                            }
+                                        }
+                                    } else {
+                                        NSAlert *alert = [[NSAlert alloc] init];
+                                        if (inexistentUsers.count == 1) {
+                                            [alert setMessageText:@"Invalid User"];
+                                            [alert setInformativeText:[NSString stringWithFormat:@"User '%@' doesn't exist.", [inexistentUsers objectAtIndex:0]]];
+                                        } else {
+                                            [alert setMessageText:@"Invalid Users"];
+                                            [alert setInformativeText:[NSString stringWithFormat:@"Users '%@' don't exist.", [inexistentUsers componentsJoinedByString:@"', '"]]];
+                                        }
+                                        [alert addButtonWithTitle:@"OK"];
+                                        [alert runModal];
+                                        return;
+                                    }
+                                } else {
+                                    // 404. Since we don't translate to UUIDs, check for invalid chars.
+                                    BOOL valid = YES;
+                                    // Create permissions.
+                                    for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                        if (translatedsSharingUser.name.length &&
+                                            ([translatedsSharingUser.name rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@" ~,;:"]].location != NSNotFound)) {
+                                            valid = NO;
+                                            break;
+                                        }
+                                    }
+                                    if (valid) {
+                                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                            if (translatedsSharingUser.name.length) {
+                                                ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                                if (!sharingUser.permission) {
+                                                    sharingUser.permission = @"read";
+                                                }
+                                                [permissions addObject:sharingUser];
+                                            }
+                                        }
+                                    } else {
+                                        NSAlert *alert = [[NSAlert alloc] init];
+                                        [alert setMessageText:@"Invalid Input"];
+                                        [alert setInformativeText:@"Users cannot contain ' ', '~', ',', ';' or ':'."];
+                                        [alert addButtonWithTitle:@"OK"];
+                                        [alert runModal];
+                                        return;
+                                    }
+                                }
+                            } else {
+                                for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                    if ([translatedsSharingUser.name isEqualToString:@"*"]) {
+                                        ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                        if (!sharingUser.permission) {
+                                            sharingUser.permission = @"read";
+                                        }
+                                        [permissions addObject:sharingUser];
+                                    }
+                                }
+                            }
+                        } else {
+                            for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                if (translatedsSharingUser.name.length) {
+                                    ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                    if (!sharingUser.permission) {
+                                        sharingUser.permission = @"read";
+                                    }
+                                    [permissions addObject:sharingUser];
+                                }
+                            }
+                        }
+                    }
+                    pithosObject.permissions = permissions;
+                    
+                    self.applyMetadataObjectRequest = [ASIPithosObjectRequest writeObjectDataRequestWithPithos:pithosAccountManager.pithos
+                                                                                                 containerName:pithosContainer.name
+                                                                                                    objectName:prefix
+                                                                                                          eTag:nil
+                                                                                                   contentType:@"application/directory"
+                                                                                               contentEncoding:pithosObject.contentEncoding
+                                                                                            contentDisposition:pithosObject.contentDisposition
+                                                                                                      manifest:pithosObject.manifest
+                                                                                                       sharing:(pithosObject.sharing ? pithosObject.sharing : @"")
+                                                                                                      isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
+                                                                                                      metadata:pithosObject.metadata
+                                                                                                          data:[NSData data]];
                     pithosObject.subdir = NO;
                     applyMetadataObjectRequest.delegate = self;
-                    applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
-                    applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
-                    [applyMetadataObjectRequest startAsynchronous];
+                    applyMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
+                    applyMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
+                    applyMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                                           [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 
+                                                           [NSNumber numberWithUnsignedInteger:10], @"retries", 
+                                                           NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 
+                                                           NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 
+                                                           nil];
+                    [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
                 }
             } else {
-                applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name 
-                                                                                                        objectName:pithosObject.name 
-                                                                                                   contentEncoding:nil
-                                                                                                contentDisposition:nil 
-                                                                                                          manifest:nil 
-                                                                                                           sharing:pithosObject.sharing 
-                                                                                                          isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 
-                                                                                                          metadata:pithosObject.metadata
-                                                                                                            update:NO] retain];
+                [[pithosNodeInfoController window] makeFirstResponder:nil];
+                if (sharingAccount) {
+                    self.applyMetadataObjectRequest = [ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithosAccountManager.pithos
+                                                                                                      containerName:pithosContainer.name
+                                                                                                         objectName:pithosObject.name
+                                                                                                    contentEncoding:nil
+                                                                                                 contentDisposition:nil
+                                                                                                           manifest:nil
+                                                                                                            sharing:nil
+                                                                                                           isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
+                                                                                                           metadata:pithosObject.metadata
+                                                                                                             update:NO];
+                    [applyMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithosAccountManager.pithos];
+                } else {
+                    NSMutableArray *permissions = [NSMutableArray array];
+                    if (translatedPermissions.count) {
+                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                            if (translatedsSharingUser.group.length &&
+                                [translatedsSharingUser.group rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@" -_~,;"]].location != NSNotFound) {
+                                NSAlert *alert = [[NSAlert alloc] init];
+                                [alert setMessageText:@"Invalid Input"];
+                                [alert setInformativeText:@"Group names cannot contain ' ', '-', '_', '~', ',' or ';'."];
+                                [alert addButtonWithTitle:@"OK"];
+                                [alert runModal];
+                                return;
+                            }
+                        }
+                        if (pithosAccountManager) {
+                            NSMutableSet *allUsers = [NSMutableSet set];
+                            for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                if (translatedsSharingUser.name.length) {
+                                    [allUsers addObject:translatedsSharingUser.name];
+                                }
+                            }
+                            [allUsers removeObject:@""];
+                            [allUsers removeObject:@"*"];
+                            if (allUsers.count) {
+                                ASIPithosRequest *userCatalogRequest = [pithosAccountManager updateUserCatalogForDisplaynames:[allUsers allObjects]
+                                                                                                                           UUIDs:nil];
+                                if (userCatalogRequest.error || ((userCatalogRequest.responseStatusCode != 200) && (userCatalogRequest.responseStatusCode != 404))) {
+                                    return;
+                                } else if (userCatalogRequest.responseStatusCode == 200) {
+                                    // Check if all users exist.
+                                    NSDictionary *displaynameCatalog = [userCatalogRequest displaynameCatalog];
+                                    NSMutableArray *inexistentUsers = [NSMutableArray array];
+                                    for (NSString *user in allUsers) {
+                                        if (![displaynameCatalog objectForKey:user]) {
+                                            [inexistentUsers addObject:user];
+                                        }
+                                    }
+                                    if (!inexistentUsers.count) {
+                                        // Create permissions.
+                                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                            if (translatedsSharingUser.name.length) {
+                                                ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                                if (![sharingUser.name isEqualToString:@"*"]) {
+                                                    sharingUser.name = [displaynameCatalog objectForKey:sharingUser.name];
+                                                }
+                                                if (!sharingUser.permission) {
+                                                    sharingUser.permission = @"read";
+                                                }
+                                                [permissions addObject:sharingUser];
+                                            }
+                                        }
+                                    } else {
+                                        NSAlert *alert = [[NSAlert alloc] init];
+                                        if (inexistentUsers.count == 1) {
+                                            [alert setMessageText:@"Invalid User"];
+                                            [alert setInformativeText:[NSString stringWithFormat:@"User '%@' doesn't exist.", [inexistentUsers objectAtIndex:0]]];
+                                        } else {
+                                            [alert setMessageText:@"Invalid Users"];
+                                            [alert setInformativeText:[NSString stringWithFormat:@"Users '%@' don't exist.", [inexistentUsers componentsJoinedByString:@"', '"]]];
+                                        }
+                                        [alert addButtonWithTitle:@"OK"];
+                                        [alert runModal];
+                                        return;
+                                    }
+                                } else {
+                                    // 404. Since we don't translate to UUIDs, check for invalid chars.
+                                    BOOL valid = YES;
+                                    // Create permissions.
+                                    for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                        if (translatedsSharingUser.name.length &&
+                                            ([translatedsSharingUser.name rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@" ~,;:"]].location != NSNotFound)) {
+                                            valid = NO;
+                                            break;
+                                        }
+                                    }
+                                    if (valid) {
+                                        for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                            if (translatedsSharingUser.name.length) {
+                                                ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                                if (!sharingUser.permission) {
+                                                    sharingUser.permission = @"read";
+                                                }
+                                                [permissions addObject:sharingUser];
+                                            }
+                                        }
+                                    } else {
+                                        NSAlert *alert = [[NSAlert alloc] init];
+                                        [alert setMessageText:@"Invalid Input"];
+                                        [alert setInformativeText:@"Users cannot contain ' ', '~', ',', ';' or ':'."];
+                                        [alert addButtonWithTitle:@"OK"];
+                                        [alert runModal];
+                                        return;
+                                    }
+                                }
+                            } else {
+                                for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                    if ([translatedsSharingUser.name isEqualToString:@"*"]) {
+                                        ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                        if (!sharingUser.permission) {
+                                            sharingUser.permission = @"read";
+                                        }
+                                        [permissions addObject:sharingUser];
+                                    }
+                                }
+                            }
+                        } else {
+                            for (ASIPithosSharingUser *translatedsSharingUser in translatedPermissions) {
+                                if (translatedsSharingUser.name.length) {
+                                    ASIPithosSharingUser *sharingUser = [translatedsSharingUser copy];
+                                    if (!sharingUser.permission) {
+                                        sharingUser.permission = @"read";
+                                    }
+                                    [permissions addObject:sharingUser];
+                                }
+                            }
+                        }
+                    }
+                    pithosObject.permissions = permissions;
+
+                    self.applyMetadataObjectRequest = [ASIPithosObjectRequest updateObjectMetadataRequestWithPithos:pithosAccountManager.pithos
+                                                                                                      containerName:pithosContainer.name
+                                                                                                         objectName:pithosObject.name
+                                                                                                    contentEncoding:pithosObject.contentEncoding
+                                                                                                 contentDisposition:pithosObject.contentDisposition
+                                                                                                           manifest:pithosObject.manifest
+                                                                                                            sharing:(pithosObject.sharing ? pithosObject.sharing : @"")
+                                                                                                           isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
+                                                                                                           metadata:pithosObject.metadata
+                                                                                                             update:NO];
+                }
                 applyMetadataObjectRequest.delegate = self;
-                applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
-                applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
-                [applyMetadataObjectRequest startAsynchronous];
+                applyMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
+                applyMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
+                applyMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                                       [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 
+                                                       [NSNumber numberWithUnsignedInteger:10], @"retries", 
+                                                       NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 
+                                                       NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 
+                                                       nil];
+                [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
             }
         }
     }
@@ -205,61 +632,70 @@ static NSImage *sharedIcon = nil;
     @synchronized(self) {
         if (pithosObject.subdir) {
             self.pithosObject = [ASIPithosObject subdirWithName:pithosObject.name];
+            return;
         } else if (refreshMetadataObjectRequest == nil) {
-            refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name 
-                                                                                                objectName:prefix] retain];
+            self.refreshMetadataObjectRequest = [ASIPithosObjectRequest objectMetadataRequestWithPithos:pithosAccountManager.pithos
+                                                                                          containerName:pithosContainer.name
+                                                                                             objectName:prefix];
+            if (sharingAccount)
+                [refreshMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithosAccountManager.pithos];
             refreshMetadataObjectRequest.delegate = self;
-            refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
-            refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
-            refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
-            [refreshMetadataObjectRequest startAsynchronous];
+            refreshMetadataObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
+            refreshMetadataObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
+            refreshMetadataObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                                     [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 
+                                                     [NSNumber numberWithUnsignedInteger:10], @"retries", 
+                                                     NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 
+                                                     NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 
+                                                     nil];
+            if (!sharingAccount)
+                refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
+            [[PithosUtilities prepareRequest:refreshMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
         }
     }
+    [self refreshVersions];
 }
 
 #pragma mark -
-#pragma mark ASIHTTPRequestDelegate
+#pragma mark Versions
 
-- (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
-    NSLog(@"URL: %@", [request url]);
-    NSLog(@"cached: %d", [request didUseCachedResponse]);
-    
-    if ([request isEqualTo:applyMetadataObjectRequest]) {
-        @synchronized(self) {
-            [applyMetadataObjectRequest release];
-            applyMetadataObjectRequest = nil;
-        }
-        [self refreshInfo];
-    } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
-        self.pithosObject = [refreshMetadataObjectRequest object];
-        if (refreshParent) {
-            // Ask the parent for refresh for the case where an object was removed
-            // It is done here so that it doesn'e affect the info window refresh
-            [parent invalidateChildren];
-            [parent children];
-            refreshParent = NO;
-        }
-        @synchronized(self) {
-            [refreshMetadataObjectRequest release];
-            refreshMetadataObjectRequest = nil;
+- (void)refreshVersions {
+    @synchronized(self) {
+        if (pithosObject.subdir) {
+            return;
+        } else if (refreshVersionsObjectRequest == nil) {
+            self.refreshVersionsObjectRequest = [ASIPithosObjectRequest objectVersionsRequestWithPithos:pithosAccountManager.pithos
+                                                                                          containerName:pithosContainer.name
+                                                                                             objectName:pithosObject.name];
+            if (sharingAccount)
+                [refreshVersionsObjectRequest setRequestUserFromDefaultTo:sharingAccount withPithos:pithosAccountManager.pithos];
+            refreshVersionsObjectRequest.delegate = self;
+            refreshVersionsObjectRequest.didFinishSelector = @selector(performRequestFinishedDelegateInBackground:);
+            refreshVersionsObjectRequest.didFailSelector = @selector(performRequestFailedDelegateInBackground:);
+            refreshVersionsObjectRequest.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                                     [NSNumber numberWithInteger:NSOperationQueuePriorityHigh], @"priority", 
+                                                     [NSNumber numberWithUnsignedInteger:10], @"retries", 
+                                                     NSStringFromSelector(@selector(objectRequestFinished:)), @"didFinishSelector", 
+                                                     NSStringFromSelector(@selector(objectRequestFailed:)), @"didFailSelector", 
+                                                     nil];
+            if (!sharingAccount)
+                refreshVersionsObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
+            [[PithosUtilities prepareRequest:refreshVersionsObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
         }
     }
 }
 
-- (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
-    if ([request isEqualTo:applyMetadataObjectRequest]) {
-        [PithosFileUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
-        @synchronized(self) {
-            [applyMetadataObjectRequest release];
-            applyMetadataObjectRequest = nil;
-        }
-    } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
-        [PithosFileUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
-        @synchronized(self) {
-            [refreshMetadataObjectRequest release];
-            refreshMetadataObjectRequest = nil;
-        }
+#pragma mark -
+#pragma mark Actions
+
+- (void)showPithosNodeInfo:(id)sender {
+    if (!pithosNodeInfoController) {
+        pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];
+        [self refreshInfo];
     }
+    [pithosNodeInfoController showWindow:sender];
+    [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];
+    [NSApp activateIgnoringOtherApps:YES];
 }
 
 @end