blob: d03f97e28156b8eb79666bcb7655fa86e1ea82b2 [file] [log] [blame]
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "link/ManifestFixer.h"
#include <unordered_set>
#include "android-base/logging.h"
#include "ResourceUtils.h"
#include "trace/TraceBuffer.h"
#include "util/Util.h"
#include "xml/XmlActionExecutor.h"
#include "xml/XmlDom.h"
using android::StringPiece;
namespace aapt {
// This is to detect whether an <intent-filter> contains deeplink.
// See https://developer.android.com/training/app-links/deep-linking.
static bool HasDeepLink(xml::Element* intent_filter_el) {
xml::Element* action_el = intent_filter_el->FindChild({}, "action");
xml::Element* category_el = intent_filter_el->FindChild({}, "category");
xml::Element* data_el = intent_filter_el->FindChild({}, "data");
if (action_el == nullptr || category_el == nullptr || data_el == nullptr) {
return false;
}
// Deeplinks must specify the ACTION_VIEW intent action.
constexpr const char* action_view = "android.intent.action.VIEW";
if (intent_filter_el->FindChildWithAttribute({}, "action", xml::kSchemaAndroid, "name",
action_view) == nullptr) {
return false;
}
// Deeplinks must have scheme included in <data> tag.
xml::Attribute* data_scheme_attr = data_el->FindAttribute(xml::kSchemaAndroid, "scheme");
if (data_scheme_attr == nullptr || data_scheme_attr->value.empty()) {
return false;
}
// Deeplinks must include BROWSABLE category.
constexpr const char* category_browsable = "android.intent.category.BROWSABLE";
if (intent_filter_el->FindChildWithAttribute({}, "category", xml::kSchemaAndroid, "name",
category_browsable) == nullptr) {
return false;
}
return true;
}
static bool VerifyDeeplinkPathAttribute(xml::Element* data_el, android::SourcePathDiagnostics* diag,
const std::string& attr_name) {
xml::Attribute* attr = data_el->FindAttribute(xml::kSchemaAndroid, attr_name);
if (attr != nullptr && !attr->value.empty()) {
StringPiece attr_value = attr->value;
const char* startChar = attr_value.begin();
if (attr_name == "pathPattern") {
// pathPattern starts with '.' or '*' does not need leading slash.
// Reference starts with @ does not need leading slash.
if (*startChar == '/' || *startChar == '.' || *startChar == '*' || *startChar == '@') {
return true;
} else {
diag->Error(android::DiagMessage(data_el->line_number)
<< "attribute 'android:" << attr_name << "' in <" << data_el->name
<< "> tag has value of '" << attr_value
<< "', it must be in a pattern start with '.' or '*', otherwise must start "
"with a leading slash '/'");
return false;
}
} else {
// Reference starts with @ does not need leading slash.
if (*startChar == '/' || *startChar == '@') {
return true;
} else {
diag->Error(android::DiagMessage(data_el->line_number)
<< "attribute 'android:" << attr_name << "' in <" << data_el->name
<< "> tag has value of '" << attr_value
<< "', it must start with a leading slash '/'");
return false;
}
}
}
return true;
}
static bool VerifyDeepLinkIntentAction(xml::Element* intent_filter_el,
android::SourcePathDiagnostics* diag) {
if (!HasDeepLink(intent_filter_el)) {
return true;
}
xml::Element* data_el = intent_filter_el->FindChild({}, "data");
if (data_el != nullptr) {
if (!VerifyDeeplinkPathAttribute(data_el, diag, "path")) {
return false;
}
if (!VerifyDeeplinkPathAttribute(data_el, diag, "pathPrefix")) {
return false;
}
if (!VerifyDeeplinkPathAttribute(data_el, diag, "pathPattern")) {
return false;
}
}
return true;
}
static bool RequiredNameIsNotEmpty(xml::Element* el, android::SourcePathDiagnostics* diag) {
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name");
if (attr == nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> is missing attribute 'android:name'");
return false;
}
if (attr->value.empty()) {
diag->Error(android::DiagMessage(el->line_number)
<< "attribute 'android:name' in <" << el->name << "> tag must not be empty");
return false;
}
return true;
}
// This is how PackageManager builds class names from AndroidManifest.xml entries.
static bool NameIsJavaClassName(xml::Element* el, xml::Attribute* attr,
android::SourcePathDiagnostics* diag) {
// We allow unqualified class names (ie: .HelloActivity)
// Since we don't know the package name, we can just make a fake one here and
// the test will be identical as long as the real package name is valid too.
std::optional<std::string> fully_qualified_class_name =
util::GetFullyQualifiedClassName("a", attr->value);
StringPiece qualified_class_name = fully_qualified_class_name
? fully_qualified_class_name.value()
: attr->value;
if (!util::IsJavaClassName(qualified_class_name)) {
diag->Error(android::DiagMessage(el->line_number) << "attribute 'android:name' in <" << el->name
<< "> tag must be a valid Java class name");
return false;
}
return true;
}
static bool OptionalNameIsJavaClassName(xml::Element* el, android::SourcePathDiagnostics* diag) {
if (xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name")) {
return NameIsJavaClassName(el, attr, diag);
}
return true;
}
static bool RequiredNameIsJavaClassName(xml::Element* el, android::SourcePathDiagnostics* diag) {
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name");
if (attr == nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> is missing attribute 'android:name'");
return false;
}
return NameIsJavaClassName(el, attr, diag);
}
static bool RequiredNameIsJavaPackage(xml::Element* el, android::SourcePathDiagnostics* diag) {
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name");
if (attr == nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> is missing attribute 'android:name'");
return false;
}
if (!util::IsJavaPackageName(attr->value)) {
diag->Error(android::DiagMessage(el->line_number) << "attribute 'android:name' in <" << el->name
<< "> tag must be a valid Java package name");
return false;
}
return true;
}
static xml::XmlNodeAction::ActionFuncWithDiag RequiredAndroidAttribute(const std::string& attr) {
return [=](xml::Element* el, android::SourcePathDiagnostics* diag) -> bool {
if (el->FindAttribute(xml::kSchemaAndroid, attr) == nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> is missing required attribute 'android:" << attr << "'");
return false;
}
return true;
};
}
static xml::XmlNodeAction::ActionFuncWithDiag RequiredOneAndroidAttribute(
const std::string& attrName1, const std::string& attrName2) {
return [=](xml::Element* el, android::SourcePathDiagnostics* diag) -> bool {
xml::Attribute* attr1 = el->FindAttribute(xml::kSchemaAndroid, attrName1);
xml::Attribute* attr2 = el->FindAttribute(xml::kSchemaAndroid, attrName2);
if (attr1 == nullptr && attr2 == nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> is missing required attribute 'android:" << attrName1
<< "' or 'android:" << attrName2 << "'");
return false;
}
if (attr1 != nullptr && attr2 != nullptr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<" << el->name << "> can only specify one of attribute 'android:" << attrName1
<< "' or 'android:" << attrName2 << "'");
return false;
}
return true;
};
}
static bool AutoGenerateIsFeatureSplit(xml::Element* el, android::SourcePathDiagnostics* diag) {
constexpr const char* kFeatureSplit = "featureSplit";
constexpr const char* kIsFeatureSplit = "isFeatureSplit";
xml::Attribute* attr = el->FindAttribute({}, kFeatureSplit);
if (attr != nullptr) {
// Rewrite the featureSplit attribute to be "split". This is what the
// platform recognizes.
attr->name = "split";
// Now inject the android:isFeatureSplit="true" attribute.
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, kIsFeatureSplit);
if (attr != nullptr) {
if (!ResourceUtils::ParseBool(attr->value).value_or(false)) {
// The isFeatureSplit attribute is false, which conflicts with the use
// of "featureSplit".
diag->Error(android::DiagMessage(el->line_number)
<< "attribute 'featureSplit' used in <manifest> but 'android:isFeatureSplit' "
"is not 'true'");
return false;
}
// The attribute is already there and set to true, nothing to do.
} else {
el->attributes.push_back(xml::Attribute{xml::kSchemaAndroid, kIsFeatureSplit, "true"});
}
}
return true;
}
static bool AutoGenerateIsSplitRequired(xml::Element* el, android::SourcePathDiagnostics* diag) {
constexpr const char* kRequiredSplitTypes = "requiredSplitTypes";
constexpr const char* kIsSplitRequired = "isSplitRequired";
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, kRequiredSplitTypes);
if (attr != nullptr) {
// Now inject the android:isSplitRequired="true" attribute.
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, kIsSplitRequired);
if (attr != nullptr) {
if (!ResourceUtils::ParseBool(attr->value).value_or(false)) {
// The isFeatureSplit attribute is false, which conflicts with the use
// of "featureSplit".
diag->Error(android::DiagMessage(el->line_number)
<< "attribute 'requiredSplitTypes' used in <manifest> but "
"'android:isSplitRequired' is not 'true'");
return false;
}
// The attribute is already there and set to true, nothing to do.
} else {
el->attributes.push_back(xml::Attribute{xml::kSchemaAndroid, kIsSplitRequired, "true"});
}
}
return true;
}
static bool VerifyManifest(xml::Element* el, xml::XmlActionExecutorPolicy policy,
android::SourcePathDiagnostics* diag) {
xml::Attribute* attr = el->FindAttribute({}, "package");
if (!attr) {
diag->Error(android::DiagMessage(el->line_number)
<< "<manifest> tag is missing 'package' attribute");
return false;
} else if (ResourceUtils::IsReference(attr->value)) {
diag->Error(android::DiagMessage(el->line_number)
<< "attribute 'package' in <manifest> tag must not be a reference");
return false;
} else if (!util::IsAndroidPackageName(attr->value)) {
android::DiagMessage error_msg(el->line_number);
error_msg << "attribute 'package' in <manifest> tag is not a valid Android package name: '"
<< attr->value << "'";
if (policy == xml::XmlActionExecutorPolicy::kAllowListWarning) {
// Treat the error only as a warning.
diag->Warn(error_msg);
} else {
diag->Error(error_msg);
return false;
}
}
attr = el->FindAttribute({}, "split");
if (attr) {
if (!util::IsJavaPackageName(attr->value)) {
diag->Error(android::DiagMessage(el->line_number)
<< "attribute 'split' in <manifest> tag is not a "
"valid split name");
return false;
}
}
return true;
}
// The coreApp attribute in <manifest> is not a regular AAPT attribute, so type
// checking on it is manual.
static bool FixCoreAppAttribute(xml::Element* el, android::SourcePathDiagnostics* diag) {
if (xml::Attribute* attr = el->FindAttribute("", "coreApp")) {
std::unique_ptr<BinaryPrimitive> result = ResourceUtils::TryParseBool(attr->value);
if (!result) {
diag->Error(android::DiagMessage(el->line_number) << "attribute coreApp must be a boolean");
return false;
}
attr->compiled_value = std::move(result);
}
return true;
}
// Checks that <uses-feature> has android:glEsVersion or android:name, not both (or neither).
static bool VerifyUsesFeature(xml::Element* el, android::SourcePathDiagnostics* diag) {
bool has_name = false;
if (xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name")) {
if (attr->value.empty()) {
diag->Error(android::DiagMessage(el->line_number)
<< "android:name in <uses-feature> must not be empty");
return false;
}
has_name = true;
}
bool has_gl_es_version = false;
if (el->FindAttribute(xml::kSchemaAndroid, "glEsVersion")) {
if (has_name) {
diag->Error(android::DiagMessage(el->line_number)
<< "cannot define both android:name and android:glEsVersion in <uses-feature>");
return false;
}
has_gl_es_version = true;
}
if (!has_name && !has_gl_es_version) {
diag->Error(android::DiagMessage(el->line_number)
<< "<uses-feature> must have either android:name or android:glEsVersion attribute");
return false;
}
return true;
}
// Ensure that 'ns_decls' contains a declaration for 'uri', using 'prefix' as
// the xmlns prefix if possible.
static void EnsureNamespaceIsDeclared(const std::string& prefix, const std::string& uri,
std::vector<xml::NamespaceDecl>* ns_decls) {
if (std::find_if(ns_decls->begin(), ns_decls->end(), [&](const xml::NamespaceDecl& ns_decl) {
return ns_decl.uri == uri;
}) != ns_decls->end()) {
return;
}
std::set<std::string> used_prefixes;
for (const auto& ns_decl : *ns_decls) {
used_prefixes.insert(ns_decl.prefix);
}
// Make multiple attempts in the unlikely event that 'prefix' is already taken.
std::string disambiguator;
for (int i = 0; i < used_prefixes.size() + 1; i++) {
std::string attempted_prefix = prefix + disambiguator;
if (used_prefixes.find(attempted_prefix) == used_prefixes.end()) {
ns_decls->push_back(xml::NamespaceDecl{attempted_prefix, uri});
return;
}
disambiguator = std::to_string(i);
}
}
bool ManifestFixer::BuildRules(xml::XmlActionExecutor* executor, android::IDiagnostics* diag) {
// First verify some options.
if (options_.rename_manifest_package) {
if (!util::IsJavaPackageName(options_.rename_manifest_package.value())) {
diag->Error(android::DiagMessage() << "invalid manifest package override '"
<< options_.rename_manifest_package.value() << "'");
return false;
}
}
if (options_.rename_instrumentation_target_package) {
if (!util::IsJavaPackageName(options_.rename_instrumentation_target_package.value())) {
diag->Error(android::DiagMessage()
<< "invalid instrumentation target package override '"
<< options_.rename_instrumentation_target_package.value() << "'");
return false;
}
}
if (options_.rename_overlay_target_package) {
if (!util::IsJavaPackageName(options_.rename_overlay_target_package.value())) {
diag->Error(android::DiagMessage() << "invalid overlay target package override '"
<< options_.rename_overlay_target_package.value() << "'");
return false;
}
}
// Common <intent-filter> actions.
xml::XmlNodeAction intent_filter_action;
intent_filter_action.Action(VerifyDeepLinkIntentAction);
intent_filter_action["action"].Action(RequiredNameIsNotEmpty);
intent_filter_action["category"].Action(RequiredNameIsNotEmpty);
intent_filter_action["data"];
intent_filter_action["uri-relative-filter-group"];
intent_filter_action["uri-relative-filter-group"]["data"];
// Common <meta-data> actions.
xml::XmlNodeAction meta_data_action;
// Common <property> actions.
xml::XmlNodeAction property_action;
property_action.Action(RequiredOneAndroidAttribute("resource", "value"));
// Common <uses-feature> actions.
xml::XmlNodeAction uses_feature_action;
uses_feature_action.Action(VerifyUsesFeature);
// Common component actions.
xml::XmlNodeAction component_action;
component_action.Action(RequiredNameIsJavaClassName);
component_action["intent-filter"] = intent_filter_action;
component_action["preferred"] = intent_filter_action;
component_action["meta-data"] = meta_data_action;
component_action["property"] = property_action;
// Manifest actions.
xml::XmlNodeAction& manifest_action = (*executor)["manifest"];
manifest_action.Action(AutoGenerateIsFeatureSplit);
manifest_action.Action(AutoGenerateIsSplitRequired);
manifest_action.Action(VerifyManifest);
manifest_action.Action(FixCoreAppAttribute);
manifest_action.Action([&](xml::Element* el) -> bool {
EnsureNamespaceIsDeclared("android", xml::kSchemaAndroid, &el->namespace_decls);
if (options_.version_name_default) {
if (options_.replace_version) {
el->RemoveAttribute(xml::kSchemaAndroid, "versionName");
}
if (el->FindAttribute(xml::kSchemaAndroid, "versionName") == nullptr) {
el->attributes.push_back(
xml::Attribute{xml::kSchemaAndroid, "versionName",
options_.version_name_default.value()});
}
}
if (options_.version_code_default) {
if (options_.replace_version) {
el->RemoveAttribute(xml::kSchemaAndroid, "versionCode");
}
if (el->FindAttribute(xml::kSchemaAndroid, "versionCode") == nullptr) {
el->attributes.push_back(
xml::Attribute{xml::kSchemaAndroid, "versionCode",
options_.version_code_default.value()});
}
}
if (options_.version_code_major_default) {
if (options_.replace_version) {
el->RemoveAttribute(xml::kSchemaAndroid, "versionCodeMajor");
}
if (el->FindAttribute(xml::kSchemaAndroid, "versionCodeMajor") == nullptr) {
el->attributes.push_back(
xml::Attribute{xml::kSchemaAndroid, "versionCodeMajor",
options_.version_code_major_default.value()});
}
}
if (options_.revision_code_default) {
if (options_.replace_version) {
el->RemoveAttribute(xml::kSchemaAndroid, "revisionCode");
}
if (el->FindAttribute(xml::kSchemaAndroid, "revisionCode") == nullptr) {
el->attributes.push_back(xml::Attribute{xml::kSchemaAndroid, "revisionCode",
options_.revision_code_default.value()});
}
}
return true;
});
// Meta tags.
manifest_action["eat-comment"];
// Uses-sdk actions.
manifest_action["uses-sdk"].Action([&](xml::Element* el) -> bool {
if (options_.min_sdk_version_default &&
el->FindAttribute(xml::kSchemaAndroid, "minSdkVersion") == nullptr) {
// There was no minSdkVersion defined and we have a default to assign.
el->attributes.push_back(
xml::Attribute{xml::kSchemaAndroid, "minSdkVersion",
options_.min_sdk_version_default.value()});
}
if (options_.target_sdk_version_default &&
el->FindAttribute(xml::kSchemaAndroid, "targetSdkVersion") == nullptr) {
// There was no targetSdkVersion defined and we have a default to assign.
el->attributes.push_back(
xml::Attribute{xml::kSchemaAndroid, "targetSdkVersion",
options_.target_sdk_version_default.value()});
}
return true;
});
manifest_action["uses-sdk"]["extension-sdk"];
// Instrumentation actions.
manifest_action["instrumentation"].Action(RequiredNameIsJavaClassName);
manifest_action["instrumentation"].Action([&](xml::Element* el) -> bool {
if (!options_.rename_instrumentation_target_package) {
return true;
}
if (xml::Attribute* attr =
el->FindAttribute(xml::kSchemaAndroid, "targetPackage")) {
attr->value = options_.rename_instrumentation_target_package.value();
}
return true;
});
manifest_action["instrumentation"]["meta-data"] = meta_data_action;
manifest_action["attribution"];
manifest_action["attribution"]["inherit-from"];
manifest_action["original-package"];
manifest_action["overlay"].Action([&](xml::Element* el) -> bool {
if (options_.rename_overlay_target_package) {
if (xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "targetPackage")) {
attr->value = options_.rename_overlay_target_package.value();
}
}
if (options_.rename_overlay_category) {
if (xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "category")) {
attr->value = options_.rename_overlay_category.value();
} else {
el->attributes.push_back(xml::Attribute{xml::kSchemaAndroid, "category",
options_.rename_overlay_category.value()});
}
}
return true;
});
manifest_action["protected-broadcast"];
manifest_action["adopt-permissions"];
manifest_action["uses-permission"];
manifest_action["uses-permission"]["required-feature"].Action(RequiredNameIsNotEmpty);
manifest_action["uses-permission"]["required-not-feature"].Action(RequiredNameIsNotEmpty);
manifest_action["uses-permission-sdk-23"];
manifest_action["permission"];
manifest_action["permission"]["meta-data"] = meta_data_action;
manifest_action["permission-tree"];
manifest_action["permission-group"];
manifest_action["uses-configuration"];
manifest_action["supports-screens"];
manifest_action["uses-feature"] = uses_feature_action;
manifest_action["feature-group"]["uses-feature"] = uses_feature_action;
manifest_action["compatible-screens"];
manifest_action["compatible-screens"]["screen"];
manifest_action["supports-gl-texture"];
manifest_action["restrict-update"];
manifest_action["install-constraints"]["fingerprint-prefix"];
manifest_action["package-verifier"];
manifest_action["meta-data"] = meta_data_action;
manifest_action["uses-split"].Action(RequiredNameIsJavaPackage);
manifest_action["queries"]["package"].Action(RequiredNameIsJavaPackage);
manifest_action["queries"]["intent"] = intent_filter_action;
manifest_action["queries"]["provider"].Action(RequiredAndroidAttribute("authorities"));
// TODO: more complicated component name tag
manifest_action["key-sets"]["key-set"]["public-key"];
manifest_action["key-sets"]["upgrade-key-set"];
// Application actions.
xml::XmlNodeAction& application_action = manifest_action["application"];
application_action.Action(OptionalNameIsJavaClassName);
application_action["uses-library"].Action(RequiredNameIsNotEmpty);
application_action["uses-native-library"].Action(RequiredNameIsNotEmpty);
application_action["library"].Action(RequiredNameIsNotEmpty);
application_action["profileable"];
application_action["property"] = property_action;
xml::XmlNodeAction& static_library_action = application_action["static-library"];
static_library_action.Action(RequiredNameIsJavaPackage);
static_library_action.Action(RequiredAndroidAttribute("version"));
xml::XmlNodeAction& uses_static_library_action = application_action["uses-static-library"];
uses_static_library_action.Action(RequiredNameIsJavaPackage);
uses_static_library_action.Action(RequiredAndroidAttribute("version"));
uses_static_library_action.Action(RequiredAndroidAttribute("certDigest"));
uses_static_library_action["additional-certificate"];
xml::XmlNodeAction& sdk_library_action = application_action["sdk-library"];
sdk_library_action.Action(RequiredNameIsJavaPackage);
sdk_library_action.Action(RequiredAndroidAttribute("versionMajor"));
xml::XmlNodeAction& uses_sdk_library_action = application_action["uses-sdk-library"];
uses_sdk_library_action.Action(RequiredNameIsJavaPackage);
uses_sdk_library_action.Action(RequiredAndroidAttribute("versionMajor"));
uses_sdk_library_action.Action(RequiredAndroidAttribute("certDigest"));
uses_sdk_library_action["additional-certificate"];
xml::XmlNodeAction& uses_package_action = application_action["uses-package"];
uses_package_action.Action(RequiredNameIsJavaPackage);
uses_package_action["additional-certificate"];
if (options_.debug_mode) {
application_action.Action([&](xml::Element* el) -> bool {
xml::Attribute *attr = el->FindOrCreateAttribute(xml::kSchemaAndroid, "debuggable");
attr->value = "true";
return true;
});
}
application_action["meta-data"] = meta_data_action;
application_action["processes"];
application_action["processes"]["deny-permission"];
application_action["processes"]["allow-permission"];
application_action["processes"]["process"]["deny-permission"];
application_action["processes"]["process"]["allow-permission"];
application_action["activity"] = component_action;
application_action["activity"]["layout"];
application_action["activity-alias"] = component_action;
application_action["service"] = component_action;
application_action["receiver"] = component_action;
application_action["apex-system-service"] = component_action;
// Provider actions.
application_action["provider"] = component_action;
application_action["provider"]["grant-uri-permission"];
application_action["provider"]["path-permission"];
manifest_action["package"] = manifest_action;
return true;
}
static void FullyQualifyClassName(StringPiece package, StringPiece attr_ns, StringPiece attr_name,
xml::Element* el) {
xml::Attribute* attr = el->FindAttribute(attr_ns, attr_name);
if (attr != nullptr) {
if (std::optional<std::string> new_value =
util::GetFullyQualifiedClassName(package, attr->value)) {
attr->value = std::move(new_value.value());
}
}
}
static bool RenameManifestPackage(StringPiece package_override, xml::Element* manifest_el) {
xml::Attribute* attr = manifest_el->FindAttribute({}, "package");
// We've already verified that the manifest element is present, with a package
// name specified.
CHECK(attr != nullptr);
std::string original_package = std::move(attr->value);
attr->value.assign(package_override);
xml::Element* application_el = manifest_el->FindChild({}, "application");
if (application_el != nullptr) {
FullyQualifyClassName(original_package, xml::kSchemaAndroid, "name", application_el);
FullyQualifyClassName(original_package, xml::kSchemaAndroid, "backupAgent", application_el);
for (xml::Element* child_el : application_el->GetChildElements()) {
if (child_el->namespace_uri.empty()) {
if (child_el->name == "activity" || child_el->name == "activity-alias" ||
child_el->name == "provider" || child_el->name == "receiver" ||
child_el->name == "service") {
FullyQualifyClassName(original_package, xml::kSchemaAndroid, "name", child_el);
continue;
}
if (child_el->name == "activity-alias") {
FullyQualifyClassName(original_package, xml::kSchemaAndroid, "targetActivity", child_el);
continue;
}
if (child_el->name == "processes") {
for (xml::Element* grand_child_el : child_el->GetChildElements()) {
if (grand_child_el->name == "process") {
FullyQualifyClassName(original_package, xml::kSchemaAndroid, "name", grand_child_el);
}
}
continue;
}
}
}
}
return true;
}
bool ManifestFixer::Consume(IAaptContext* context, xml::XmlResource* doc) {
TRACE_CALL();
xml::Element* root = xml::FindRootElement(doc->root.get());
if (!root || !root->namespace_uri.empty() || root->name != "manifest") {
context->GetDiagnostics()->Error(android::DiagMessage(doc->file.source)
<< "root tag must be <manifest>");
return false;
}
if ((options_.min_sdk_version_default || options_.target_sdk_version_default) &&
root->FindChild({}, "uses-sdk") == nullptr) {
// Auto insert a <uses-sdk> element. This must be inserted before the
// <application> tag. The device runtime PackageParser will make SDK version
// decisions while parsing <application>.
std::unique_ptr<xml::Element> uses_sdk = util::make_unique<xml::Element>();
uses_sdk->name = "uses-sdk";
root->InsertChild(0, std::move(uses_sdk));
}
if (!options_.no_compile_sdk_metadata && options_.compile_sdk_version) {
xml::Attribute* attr = root->FindOrCreateAttribute(xml::kSchemaAndroid, "compileSdkVersion");
// Make sure we un-compile the value if it was set to something else.
attr->compiled_value = {};
attr->value = options_.compile_sdk_version.value();
attr = root->FindOrCreateAttribute("", "platformBuildVersionCode");
// Make sure we un-compile the value if it was set to something else.
attr->compiled_value = {};
attr->value = options_.compile_sdk_version.value();
}
if (!options_.no_compile_sdk_metadata && options_.compile_sdk_version_codename) {
xml::Attribute* attr =
root->FindOrCreateAttribute(xml::kSchemaAndroid, "compileSdkVersionCodename");
// Make sure we un-compile the value if it was set to something else.
attr->compiled_value = {};
attr->value = options_.compile_sdk_version_codename.value();
attr = root->FindOrCreateAttribute("", "platformBuildVersionName");
// Make sure we un-compile the value if it was set to something else.
attr->compiled_value = {};
attr->value = options_.compile_sdk_version_codename.value();
}
if (!options_.fingerprint_prefixes.empty()) {
xml::Element* install_constraints_el = root->FindChild({}, "install-constraints");
if (install_constraints_el == nullptr) {
std::unique_ptr<xml::Element> install_constraints = std::make_unique<xml::Element>();
install_constraints->name = "install-constraints";
install_constraints_el = install_constraints.get();
root->AppendChild(std::move(install_constraints));
}
for (const std::string& prefix : options_.fingerprint_prefixes) {
std::unique_ptr<xml::Element> prefix_el = std::make_unique<xml::Element>();
prefix_el->name = "fingerprint-prefix";
xml::Attribute* attr = prefix_el->FindOrCreateAttribute(xml::kSchemaAndroid, "value");
attr->value = prefix;
install_constraints_el->AppendChild(std::move(prefix_el));
}
}
xml::XmlActionExecutor executor;
if (!BuildRules(&executor, context->GetDiagnostics())) {
return false;
}
xml::XmlActionExecutorPolicy policy = options_.warn_validation
? xml::XmlActionExecutorPolicy::kAllowListWarning
: xml::XmlActionExecutorPolicy::kAllowList;
if (!executor.Execute(policy, context->GetDiagnostics(), doc)) {
return false;
}
if (options_.rename_manifest_package) {
// Rename manifest package outside of the XmlActionExecutor.
// We need to extract the old package name and FullyQualify all class
// names.
if (!RenameManifestPackage(options_.rename_manifest_package.value(), root)) {
return false;
}
}
return true;
}
} // namespace aapt