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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/common/extensions/webview_handler.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.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/manifest.h"
#include "extensions/common/manifest_constants.h"
namespace extensions {
namespace keys = extensions::manifest_keys;
namespace errors = extensions::manifest_errors;
namespace {
const WebviewInfo* GetResourcesInfo(
const Extension& extension) {
return static_cast<WebviewInfo*>(
extension.GetManifestData(keys::kWebviewAccessibleResources));
}
} // namespace
WebviewInfo::WebviewInfo() {
}
WebviewInfo::~WebviewInfo() {
}
// static
bool WebviewInfo::IsResourceWebviewAccessible(
const Extension* extension,
const std::string& partition_id,
const std::string& relative_path) {
if (!extension)
return false;
const WebviewInfo* info = GetResourcesInfo(*extension);
if (!info)
return false;
bool partition_is_privileged = false;
for (size_t i = 0;
i < info->webview_privileged_partitions_.size();
++i) {
if (MatchPattern(partition_id, info->webview_privileged_partitions_[i])) {
partition_is_privileged = true;
break;
}
}
return partition_is_privileged && extension->ResourceMatches(
info->webview_accessible_resources_, relative_path);
}
WebviewHandler::WebviewHandler() {
}
WebviewHandler::~WebviewHandler() {
}
bool WebviewHandler::Parse(Extension* extension, string16* error) {
scoped_ptr<WebviewInfo> info(new WebviewInfo());
const base::DictionaryValue* dict_value = NULL;
if (!extension->manifest()->GetDictionary(keys::kWebview,
&dict_value)) {
*error = ASCIIToUTF16(errors::kInvalidWebview);
return false;
}
const base::ListValue* url_list = NULL;
if (!dict_value->GetList(keys::kWebviewAccessibleResources,
&url_list)) {
*error = ASCIIToUTF16(errors::kInvalidWebviewAccessibleResourcesList);
return false;
}
for (size_t i = 0; i < url_list->GetSize(); ++i) {
std::string relative_path;
if (!url_list->GetString(i, &relative_path)) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidWebviewAccessibleResource, base::IntToString(i));
return false;
}
URLPattern pattern(URLPattern::SCHEME_EXTENSION);
if (pattern.Parse(extension->url().spec()) != URLPattern::PARSE_SUCCESS) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidURLPatternError, extension->url().spec());
return false;
}
while (relative_path[0] == '/')
relative_path = relative_path.substr(1, relative_path.length() - 1);
pattern.SetPath(pattern.path() + relative_path);
info->webview_accessible_resources_.AddPattern(pattern);
}
const base::ListValue* partition_list = NULL;
if (!dict_value->GetList(keys::kWebviewPrivilegedPartitions,
&partition_list)) {
*error = ASCIIToUTF16(errors::kInvalidWebviewPrivilegedPartitionList);
return false;
}
for (size_t i = 0; i < partition_list->GetSize(); ++i) {
std::string partition_wildcard;
if (!partition_list->GetString(i, &partition_wildcard)) {
*error = ErrorUtils::FormatErrorMessageUTF16(
errors::kInvalidWebviewPrivilegedPartition, base::IntToString(i));
return false;
}
info->webview_privileged_partitions_.push_back(partition_wildcard);
}
extension->SetManifestData(keys::kWebviewAccessibleResources, info.release());
return true;
}
const std::vector<std::string> WebviewHandler::Keys() const {
return SingleKey(keys::kWebview);
}
} // namespace extensions
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