1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "CacheLog.h"
#include "AppCacheStorage.h"
#include "CacheStorageService.h"
#include "OldWrappers.h"
#include "nsICacheEntryDoomCallback.h"
#include "nsCacheService.h"
#include "nsIApplicationCache.h"
#include "nsIApplicationCacheService.h"
#include "nsIURI.h"
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS_INHERITED0(AppCacheStorage, CacheStorage)
AppCacheStorage::AppCacheStorage(nsILoadContextInfo* aInfo,
nsIApplicationCache* aAppCache)
: CacheStorage(aInfo, true /* disk */, false /* lookup app cache */, false /* skip size check */, false /* pin */)
, mAppCache(aAppCache)
{
MOZ_COUNT_CTOR(AppCacheStorage);
}
AppCacheStorage::~AppCacheStorage()
{
ProxyReleaseMainThread(mAppCache);
MOZ_COUNT_DTOR(AppCacheStorage);
}
NS_IMETHODIMP AppCacheStorage::AsyncOpenURI(nsIURI *aURI,
const nsACString & aIdExtension,
uint32_t aFlags,
nsICacheEntryOpenCallback *aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG(aCallback);
nsresult rv;
nsCOMPtr<nsIApplicationCache> appCache = mAppCache;
if (!appCache) {
rv = ChooseApplicationCache(aURI, getter_AddRefs(appCache));
NS_ENSURE_SUCCESS(rv, rv);
}
if (!appCache) {
LOG(("AppCacheStorage::AsyncOpenURI entry not found in any appcache, giving up"));
aCallback->OnCacheEntryAvailable(nullptr, false, nullptr, NS_ERROR_CACHE_KEY_NOT_FOUND);
return NS_OK;
}
nsCOMPtr<nsIURI> noRefURI;
rv = aURI->CloneIgnoringRef(getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString cacheKey;
rv = noRefURI->GetAsciiSpec(cacheKey);
NS_ENSURE_SUCCESS(rv, rv);
// This is the only way how to recognize appcache data by the anonymous
// flag. There is no way to switch to e.g. a different session, because
// there is just a single session for an appcache version (identified
// by the client id).
if (LoadInfo()->IsAnonymous()) {
cacheKey = NS_LITERAL_CSTRING("anon&") + cacheKey;
}
nsAutoCString scheme;
rv = noRefURI->GetScheme(scheme);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<_OldCacheLoad> appCacheLoad =
new _OldCacheLoad(scheme, cacheKey, aCallback, appCache,
LoadInfo(), WriteToDisk(), aFlags);
rv = appCacheLoad->Start();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP AppCacheStorage::OpenTruncate(nsIURI *aURI, const nsACString & aIdExtension,
nsICacheEntry **aCacheEntry)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP AppCacheStorage::Exists(nsIURI *aURI, const nsACString & aIdExtension,
bool *aResult)
{
*aResult = false;
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP AppCacheStorage::AsyncDoomURI(nsIURI *aURI, const nsACString & aIdExtension,
nsICacheEntryDoomCallback* aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
if (!mAppCache) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<_OldStorage> old = new _OldStorage(
LoadInfo(), WriteToDisk(), LookupAppCache(), true, mAppCache);
return old->AsyncDoomURI(aURI, aIdExtension, aCallback);
}
NS_IMETHODIMP AppCacheStorage::AsyncEvictStorage(nsICacheEntryDoomCallback* aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
if (!mAppCache) {
// Discard everything under this storage context
nsCOMPtr<nsIApplicationCacheService> appCacheService =
do_GetService(NS_APPLICATIONCACHESERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = appCacheService->Evict(LoadInfo());
NS_ENSURE_SUCCESS(rv, rv);
} else {
// Discard the group
RefPtr<_OldStorage> old = new _OldStorage(
LoadInfo(), WriteToDisk(), LookupAppCache(), true, mAppCache);
rv = old->AsyncEvictStorage(aCallback);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
if (aCallback)
aCallback->OnCacheEntryDoomed(NS_OK);
return NS_OK;
}
NS_IMETHODIMP AppCacheStorage::AsyncVisitStorage(nsICacheStorageVisitor* aVisitor,
bool aVisitEntries)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
LOG(("AppCacheStorage::AsyncVisitStorage [this=%p, cb=%p]", this, aVisitor));
nsresult rv;
nsCOMPtr<nsICacheService> serv =
do_GetService(NS_CACHESERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<_OldVisitCallbackWrapper> cb = new _OldVisitCallbackWrapper(
"offline", aVisitor, aVisitEntries, LoadInfo());
rv = nsCacheService::GlobalInstance()->VisitEntriesInternal(cb);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
} // namespace net
} // namespace mozilla
|
