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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/common/manifest_url_handlers.h"
#include <memory>
#include <utility>
#include "base/files/file_util.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "extensions/common/error_utils.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/file_util.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/manifest_handlers/shared_module_info.h"
#include "extensions/strings/grit/extensions_strings.h"
#include "ui/base/l10n/l10n_util.h"
namespace extensions {
namespace keys = manifest_keys;
namespace errors = manifest_errors;
// static
const GURL& ManifestURL::Get(const Extension* extension,
const std::string& key) {
ManifestURL* manifest_url =
static_cast<ManifestURL*>(extension->GetManifestData(key));
return manifest_url ? manifest_url->url_ : GURL::EmptyGURL();
}
// static
GURL ManifestURL::GetHomepageURL(const Extension* extension) {
const GURL& homepage_url = Get(extension, keys::kHomepageURL);
return homepage_url.is_valid() ? homepage_url : GetWebStoreURL(extension);
}
// static
bool ManifestURL::SpecifiedHomepageURL(const Extension* extension) {
return Get(extension, keys::kHomepageURL).is_valid();
}
// static
const GURL& ManifestURL::GetManifestHomePageURL(const Extension* extension) {
const GURL& homepage_url = Get(extension, keys::kHomepageURL);
return homepage_url.is_valid() ? homepage_url : GURL::EmptyGURL();
}
// static
GURL ManifestURL::GetWebStoreURL(const Extension* extension) {
bool use_webstore_url = UpdatesFromGallery(extension) &&
!SharedModuleInfo::IsSharedModule(extension);
return use_webstore_url
? GURL(extension_urls::GetWebstoreItemDetailURLPrefix() +
extension->id())
: GURL();
}
// static
const GURL& ManifestURL::GetUpdateURL(const Extension* extension) {
return Get(extension, keys::kUpdateURL);
}
// static
bool ManifestURL::UpdatesFromGallery(const Extension* extension) {
return extension_urls::IsWebstoreUpdateUrl(GetUpdateURL(extension));
}
// static
const GURL& ManifestURL::GetAboutPage(const Extension* extension) {
return Get(extension, keys::kAboutPage);
}
// static
GURL ManifestURL::GetDetailsURL(const Extension* extension) {
return extension->from_webstore()
? GURL(extension_urls::GetWebstoreItemDetailURLPrefix() +
extension->id())
: GURL();
}
HomepageURLHandler::HomepageURLHandler() {
}
HomepageURLHandler::~HomepageURLHandler() {
}
bool HomepageURLHandler::Parse(Extension* extension, std::u16string* error) {
std::unique_ptr<ManifestURL> manifest_url(new ManifestURL);
const std::string* homepage_url_str =
extension->manifest()->FindStringPath(keys::kHomepageURL);
if (homepage_url_str == nullptr) {
*error = ErrorUtils::FormatErrorMessageUTF16(errors::kInvalidHomepageURL,
std::string());
return false;
}
manifest_url->url_ = GURL(*homepage_url_str);
if (!manifest_url->url_.is_valid() ||
!manifest_url->url_.SchemeIsHTTPOrHTTPS()) {
*error = ErrorUtils::FormatErrorMessageUTF16(errors::kInvalidHomepageURL,
*homepage_url_str);
return false;
}
extension->SetManifestData(keys::kHomepageURL, std::move(manifest_url));
return true;
}
base::span<const char* const> HomepageURLHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kHomepageURL};
return kKeys;
}
UpdateURLHandler::UpdateURLHandler() {
}
UpdateURLHandler::~UpdateURLHandler() {
}
bool UpdateURLHandler::Parse(Extension* extension, std::u16string* error) {
std::unique_ptr<ManifestURL> manifest_url(new ManifestURL);
const std::string* tmp_update_url =
extension->manifest()->FindStringPath(keys::kUpdateURL);
if (tmp_update_url == nullptr) {
*error = ErrorUtils::FormatErrorMessageUTF16(errors::kInvalidUpdateURL,
std::string());
return false;
}
manifest_url->url_ = GURL(*tmp_update_url);
if (!manifest_url->url_.is_valid() ||
manifest_url->url_.has_ref()) {
*error = ErrorUtils::FormatErrorMessageUTF16(errors::kInvalidUpdateURL,
*tmp_update_url);
return false;
}
extension->SetManifestData(keys::kUpdateURL, std::move(manifest_url));
return true;
}
base::span<const char* const> UpdateURLHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kUpdateURL};
return kKeys;
}
AboutPageHandler::AboutPageHandler() {
}
AboutPageHandler::~AboutPageHandler() {
}
bool AboutPageHandler::Parse(Extension* extension, std::u16string* error) {
std::unique_ptr<ManifestURL> manifest_url(new ManifestURL);
const std::string* about_str =
extension->manifest()->FindStringPath(keys::kAboutPage);
if (about_str == nullptr) {
*error = errors::kInvalidAboutPage;
return false;
}
GURL absolute(*about_str);
if (absolute.is_valid()) {
*error = errors::kInvalidAboutPageExpectRelativePath;
return false;
}
manifest_url->url_ = extension->ResolveExtensionURL(*about_str);
if (!manifest_url->url_.is_valid()) {
*error = errors::kInvalidAboutPage;
return false;
}
extension->SetManifestData(keys::kAboutPage, std::move(manifest_url));
return true;
}
bool AboutPageHandler::Validate(const Extension& extension,
std::string* error,
std::vector<InstallWarning>* warnings) const {
// Validate path to the options page.
if (!extensions::ManifestURL::GetAboutPage(&extension).is_empty()) {
const base::FilePath about_path =
extensions::file_util::ExtensionURLToRelativeFilePath(
extensions::ManifestURL::GetAboutPage(&extension));
const base::FilePath path = extension.GetResource(about_path).GetFilePath();
if (path.empty() || !base::PathExists(path)) {
*error = l10n_util::GetStringFUTF8(IDS_EXTENSION_LOAD_ABOUT_PAGE_FAILED,
about_path.LossyDisplayName());
return false;
}
}
return true;
}
base::span<const char* const> AboutPageHandler::Keys() const {
static constexpr const char* kKeys[] = {keys::kAboutPage};
return kKeys;
}
} // namespace extensions
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