Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Ryan Mitchell | 52e1f7a | 2019-04-12 12:31:42 -0700 | [diff] [blame] | 17 | #include "idmap2/ResourceUtils.h" |
| 18 | |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 19 | #include <memory> |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 20 | #include <string> |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 21 | |
| 22 | #include "androidfw/StringPiece.h" |
| 23 | #include "androidfw/Util.h" |
Mårten Kongstad | 0f76311 | 2018-11-19 14:14:37 +0100 | [diff] [blame] | 24 | #include "idmap2/Result.h" |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 25 | #include "idmap2/Xml.h" |
| 26 | #include "idmap2/ZipFile.h" |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 27 | |
| 28 | using android::StringPiece16; |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 29 | using android::idmap2::Result; |
| 30 | using android::idmap2::Xml; |
| 31 | using android::idmap2::ZipFile; |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 32 | using android::util::Utf16ToUtf8; |
| 33 | |
Mårten Kongstad | 0eba72a | 2018-11-29 08:23:14 +0100 | [diff] [blame] | 34 | namespace android::idmap2::utils { |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 35 | |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 36 | Result<std::string> ResToTypeEntryName(const AssetManager2& am, ResourceId resid) { |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 37 | AssetManager2::ResourceName name; |
| 38 | if (!am.GetResourceName(resid, &name)) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 39 | return Error("no resource 0x%08x in asset manager", resid); |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 40 | } |
| 41 | std::string out; |
| 42 | if (name.type != nullptr) { |
| 43 | out.append(name.type, name.type_len); |
| 44 | } else { |
| 45 | out += Utf16ToUtf8(StringPiece16(name.type16, name.type_len)); |
| 46 | } |
| 47 | out.append("/"); |
| 48 | if (name.entry != nullptr) { |
| 49 | out.append(name.entry, name.entry_len); |
| 50 | } else { |
| 51 | out += Utf16ToUtf8(StringPiece16(name.entry16, name.entry_len)); |
| 52 | } |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 53 | return out; |
Mårten Kongstad | 0275123 | 2018-04-27 13:16:32 +0200 | [diff] [blame] | 54 | } |
| 55 | |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 56 | Result<OverlayManifestInfo> ExtractOverlayManifestInfo(const std::string& path, |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 57 | bool assert_overlay) { |
| 58 | std::unique_ptr<const ZipFile> zip = ZipFile::Open(path); |
| 59 | if (!zip) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 60 | return Error("failed to open %s as a zip file", path.c_str()); |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | std::unique_ptr<const MemoryChunk> entry = zip->Uncompress("AndroidManifest.xml"); |
| 64 | if (!entry) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 65 | return Error("failed to uncompress AndroidManifest.xml from %s", path.c_str()); |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | std::unique_ptr<const Xml> xml = Xml::Create(entry->buf, entry->size); |
| 69 | if (!xml) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 70 | return Error("failed to parse AndroidManifest.xml from %s", path.c_str()); |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | OverlayManifestInfo info{}; |
| 74 | const auto tag = xml->FindTag("overlay"); |
| 75 | if (!tag) { |
| 76 | if (assert_overlay) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 77 | return Error("<overlay> missing from AndroidManifest.xml of %s", path.c_str()); |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 78 | } |
| 79 | return info; |
| 80 | } |
| 81 | |
| 82 | auto iter = tag->find("targetPackage"); |
| 83 | if (iter == tag->end()) { |
| 84 | if (assert_overlay) { |
Mårten Kongstad | 49d835d | 2019-01-31 10:50:48 +0100 | [diff] [blame] | 85 | return Error("android:targetPackage missing from <overlay> of %s", path.c_str()); |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 86 | } |
| 87 | } else { |
| 88 | info.target_package = iter->second; |
| 89 | } |
| 90 | |
| 91 | iter = tag->find("targetName"); |
| 92 | if (iter != tag->end()) { |
| 93 | info.target_name = iter->second; |
| 94 | } |
| 95 | |
| 96 | iter = tag->find("isStatic"); |
| 97 | if (iter != tag->end()) { |
| 98 | info.is_static = std::stoul(iter->second) != 0U; |
| 99 | } |
| 100 | |
| 101 | iter = tag->find("priority"); |
| 102 | if (iter != tag->end()) { |
| 103 | info.priority = std::stoi(iter->second); |
| 104 | } |
| 105 | |
Gabriel Siqueira | d7fc4f7 | 2019-09-17 18:42:07 -0300 | [diff] [blame] | 106 | iter = tag->find("requiredSystemPropertyName"); |
| 107 | if (iter != tag->end()) { |
| 108 | info.requiredSystemPropertyName = iter->second; |
| 109 | } |
| 110 | |
| 111 | iter = tag->find("requiredSystemPropertyValue"); |
| 112 | if (iter != tag->end()) { |
| 113 | info.requiredSystemPropertyValue = iter->second; |
| 114 | } |
| 115 | |
Ryan Mitchell | a362846 | 2019-01-14 12:19:40 -0800 | [diff] [blame] | 116 | return info; |
| 117 | } |
| 118 | |
Mårten Kongstad | 0eba72a | 2018-11-29 08:23:14 +0100 | [diff] [blame] | 119 | } // namespace android::idmap2::utils |