1/*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "WebSecurityOriginInternal.h"
27#import "WebStorageManagerPrivate.h"
28#import "WebStorageManagerInternal.h"
29#import "WebStorageTrackerClient.h"
30
31#import <WebCore/PageGroup.h>
32#import <WebCore/SecurityOrigin.h>
33#import <WebCore/StorageTracker.h>
34#import <pthread.h>
35
36using namespace WebCore;
37
38NSString * const WebStorageDirectoryDefaultsKey = @"WebKitLocalStorageDatabasePathPreferenceKey";
39NSString * const WebStorageDidModifyOriginNotification = @"WebStorageDidModifyOriginNotification";
40
41static NSString *sLocalStoragePath;
42static void initializeLocalStoragePath();
43static pthread_once_t registerLocalStoragePath = PTHREAD_ONCE_INIT;
44
45@implementation WebStorageManager
46
47+ (WebStorageManager *)sharedWebStorageManager
48{
49    static WebStorageManager *sharedManager = [[WebStorageManager alloc] init];
50    return sharedManager;
51}
52
53#if PLATFORM(IOS)
54- (id)init
55{
56    if (!(self = [super init]))
57        return nil;
58
59    WebKitInitializeStorageIfNecessary();
60
61    return self;
62}
63#endif
64
65- (NSArray *)origins
66{
67    Vector<RefPtr<SecurityOrigin>> coreOrigins;
68
69    StorageTracker::tracker().origins(coreOrigins);
70
71    NSMutableArray *webOrigins = [[NSMutableArray alloc] initWithCapacity:coreOrigins.size()];
72
73    for (size_t i = 0; i < coreOrigins.size(); ++i) {
74        WebSecurityOrigin *webOrigin = [[WebSecurityOrigin alloc] _initWithWebCoreSecurityOrigin:coreOrigins[i].get()];
75        [webOrigins addObject:webOrigin];
76        [webOrigin release];
77    }
78
79    return [webOrigins autorelease];
80}
81
82- (void)deleteAllOrigins
83{
84    StorageTracker::tracker().deleteAllOrigins();
85#if PLATFORM(IOS)
86    // FIXME: This needs to be removed once StorageTrackers in multiple processes
87    // are in sync: <rdar://problem/9567500> Remove Website Data pane is not kept in sync with Safari
88    [[NSFileManager defaultManager] removeItemAtPath:[WebStorageManager _storageDirectoryPath] error:NULL];
89#endif
90}
91
92- (void)deleteOrigin:(WebSecurityOrigin *)origin
93{
94    StorageTracker::tracker().deleteOrigin([origin _core]);
95}
96
97- (unsigned long long)diskUsageForOrigin:(WebSecurityOrigin *)origin
98{
99    return StorageTracker::tracker().diskUsageForOrigin([origin _core]);
100}
101
102- (void)syncLocalStorage
103{
104    PageGroup::syncLocalStorage();
105}
106
107- (void)syncFileSystemAndTrackerDatabase
108{
109    StorageTracker::tracker().syncFileSystemAndTrackerDatabase();
110}
111
112+ (NSString *)_storageDirectoryPath
113{
114    pthread_once(&registerLocalStoragePath, initializeLocalStoragePath);
115    return sLocalStoragePath;
116}
117
118+ (void)setStorageDatabaseIdleInterval:(double)interval
119{
120    StorageTracker::tracker().setStorageDatabaseIdleInterval(interval);
121}
122
123+ (void)closeIdleLocalStorageDatabases
124{
125    PageGroup::closeIdleLocalStorageDatabases();
126}
127
128static void initializeLocalStoragePath()
129{
130    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
131    sLocalStoragePath = [defaults objectForKey:WebStorageDirectoryDefaultsKey];
132    if (!sLocalStoragePath || ![sLocalStoragePath isKindOfClass:[NSString class]]) {
133        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
134        NSString *libraryDirectory = [paths objectAtIndex:0];
135        sLocalStoragePath = [libraryDirectory stringByAppendingPathComponent:@"WebKit/LocalStorage"];
136    }
137    sLocalStoragePath = [[sLocalStoragePath stringByStandardizingPath] retain];
138}
139
140void WebKitInitializeStorageIfNecessary()
141{
142    static BOOL initialized = NO;
143    if (initialized)
144        return;
145
146    StorageTracker::initializeTracker([WebStorageManager _storageDirectoryPath], WebStorageTrackerClient::sharedWebStorageTrackerClient());
147
148    initialized = YES;
149}
150
151@end
152