The Tor Browser / file comparison
comparison: xpcom/build/Omnijar.cpp
xpcom/build/Omnijar.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:f73c9d56a9ec |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "Omnijar.h" | |
| 7 | |
| 8 #include "nsDirectoryService.h" | |
| 9 #include "nsDirectoryServiceDefs.h" | |
| 10 #include "nsIFile.h" | |
| 11 #include "nsZipArchive.h" | |
| 12 #include "nsNetUtil.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 | |
| 16 nsIFile *Omnijar::sPath[2] = { nullptr, nullptr }; | |
| 17 nsZipArchive *Omnijar::sReader[2] = { nullptr, nullptr }; | |
| 18 bool Omnijar::sInitialized = false; | |
| 19 static bool sIsUnified = false; | |
| 20 static bool sIsNested[2] = { false, false }; | |
| 21 | |
| 22 static const char *sProp[2] = | |
| 23 { NS_GRE_DIR, NS_XPCOM_CURRENT_PROCESS_DIR }; | |
| 24 | |
| 25 #define SPROP(Type) ((Type == mozilla::Omnijar::GRE) ? sProp[GRE] : sProp[APP]) | |
| 26 | |
| 27 void | |
| 28 Omnijar::CleanUpOne(Type aType) | |
| 29 { | |
| 30 if (sReader[aType]) { | |
| 31 sReader[aType]->CloseArchive(); | |
| 32 NS_IF_RELEASE(sReader[aType]); | |
| 33 } | |
| 34 sReader[aType] = nullptr; | |
| 35 NS_IF_RELEASE(sPath[aType]); | |
| 36 } | |
| 37 | |
| 38 void | |
| 39 Omnijar::InitOne(nsIFile *aPath, Type aType) | |
| 40 { | |
| 41 nsCOMPtr<nsIFile> file; | |
| 42 if (aPath) { | |
| 43 file = aPath; | |
| 44 } else { | |
| 45 nsCOMPtr<nsIFile> dir; | |
| 46 nsDirectoryService::gService->Get(SPROP(aType), NS_GET_IID(nsIFile), getter_AddRefs(dir)); | |
| 47 NS_NAMED_LITERAL_CSTRING (kOmnijarName, NS_STRINGIFY(OMNIJAR_NAME)); | |
| 48 if (NS_FAILED(dir->Clone(getter_AddRefs(file))) || | |
| 49 NS_FAILED(file->AppendNative(kOmnijarName))) | |
| 50 return; | |
| 51 } | |
| 52 bool isFile; | |
| 53 if (NS_FAILED(file->IsFile(&isFile)) || !isFile) { | |
| 54 // If we're not using an omni.jar for GRE, and we don't have an | |
| 55 // omni.jar for APP, check if both directories are the same. | |
| 56 if ((aType == APP) && (!sPath[GRE])) { | |
| 57 nsCOMPtr<nsIFile> greDir, appDir; | |
| 58 bool equals; | |
| 59 nsDirectoryService::gService->Get(SPROP(GRE), NS_GET_IID(nsIFile), getter_AddRefs(greDir)); | |
| 60 nsDirectoryService::gService->Get(SPROP(APP), NS_GET_IID(nsIFile), getter_AddRefs(appDir)); | |
| 61 if (NS_SUCCEEDED(greDir->Equals(appDir, &equals)) && equals) | |
| 62 sIsUnified = true; | |
| 63 } | |
| 64 return; | |
| 65 } | |
| 66 | |
| 67 bool equals; | |
| 68 if ((aType == APP) && (sPath[GRE]) && | |
| 69 NS_SUCCEEDED(sPath[GRE]->Equals(file, &equals)) && equals) { | |
| 70 // If we're using omni.jar on both GRE and APP and their path | |
| 71 // is the same, we're in the unified case. | |
| 72 sIsUnified = true; | |
| 73 return; | |
| 74 } | |
| 75 | |
| 76 nsRefPtr<nsZipArchive> zipReader = new nsZipArchive(); | |
| 77 if (NS_FAILED(zipReader->OpenArchive(file))) { | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 nsRefPtr<nsZipHandle> handle; | |
| 82 if (NS_SUCCEEDED(nsZipHandle::Init(zipReader, NS_STRINGIFY(OMNIJAR_NAME), getter_AddRefs(handle)))) { | |
| 83 zipReader = new nsZipArchive(); | |
| 84 if (NS_FAILED(zipReader->OpenArchive(handle))) | |
| 85 return; | |
| 86 sIsNested[aType] = true; | |
| 87 } | |
| 88 | |
| 89 CleanUpOne(aType); | |
| 90 sReader[aType] = zipReader; | |
| 91 NS_IF_ADDREF(sReader[aType]); | |
| 92 sPath[aType] = file; | |
| 93 NS_IF_ADDREF(sPath[aType]); | |
| 94 } | |
| 95 | |
| 96 void | |
| 97 Omnijar::Init(nsIFile *aGrePath, nsIFile *aAppPath) | |
| 98 { | |
| 99 InitOne(aGrePath, GRE); | |
| 100 InitOne(aAppPath, APP); | |
| 101 sInitialized = true; | |
| 102 } | |
| 103 | |
| 104 void | |
| 105 Omnijar::CleanUp() | |
| 106 { | |
| 107 CleanUpOne(GRE); | |
| 108 CleanUpOne(APP); | |
| 109 sInitialized = false; | |
| 110 } | |
| 111 | |
| 112 already_AddRefed<nsZipArchive> | |
| 113 Omnijar::GetReader(nsIFile *aPath) | |
| 114 { | |
| 115 NS_ABORT_IF_FALSE(IsInitialized(), "Omnijar not initialized"); | |
| 116 | |
| 117 bool equals; | |
| 118 nsresult rv; | |
| 119 | |
| 120 if (sPath[GRE] && !sIsNested[GRE]) { | |
| 121 rv = sPath[GRE]->Equals(aPath, &equals); | |
| 122 if (NS_SUCCEEDED(rv) && equals) | |
| 123 return GetReader(GRE); | |
| 124 } | |
| 125 if (sPath[APP] && !sIsNested[APP]) { | |
| 126 rv = sPath[APP]->Equals(aPath, &equals); | |
| 127 if (NS_SUCCEEDED(rv) && equals) | |
| 128 return GetReader(APP); | |
| 129 } | |
| 130 return nullptr; | |
| 131 } | |
| 132 | |
| 133 nsresult | |
| 134 Omnijar::GetURIString(Type aType, nsACString &result) | |
| 135 { | |
| 136 NS_ABORT_IF_FALSE(IsInitialized(), "Omnijar not initialized"); | |
| 137 | |
| 138 result.Truncate(); | |
| 139 | |
| 140 // Return an empty string for APP in the unified case. | |
| 141 if ((aType == APP) && sIsUnified) { | |
| 142 return NS_OK; | |
| 143 } | |
| 144 | |
| 145 nsAutoCString omniJarSpec; | |
| 146 if (sPath[aType]) { | |
| 147 nsresult rv = NS_GetURLSpecFromActualFile(sPath[aType], omniJarSpec); | |
| 148 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 149 return rv; | |
| 150 | |
| 151 result = "jar:"; | |
| 152 if (sIsNested[aType]) | |
| 153 result += "jar:"; | |
| 154 result += omniJarSpec; | |
| 155 result += "!"; | |
| 156 if (sIsNested[aType]) | |
| 157 result += "/" NS_STRINGIFY(OMNIJAR_NAME) "!"; | |
| 158 } else { | |
| 159 nsCOMPtr<nsIFile> dir; | |
| 160 nsDirectoryService::gService->Get(SPROP(aType), NS_GET_IID(nsIFile), getter_AddRefs(dir)); | |
| 161 nsresult rv = NS_GetURLSpecFromActualFile(dir, result); | |
| 162 if (NS_WARN_IF(NS_FAILED(rv))) | |
| 163 return rv; | |
| 164 } | |
| 165 result += "/"; | |
| 166 return NS_OK; | |
| 167 } | |
| 168 | |
| 169 } /* namespace mozilla */ |
