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// Copyright (c) 2012 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/browser/automation/automation_provider_json.h"
#include "base/json/json_writer.h"
#include "base/json/string_escape.h"
#include "base/values.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#include "chrome/browser/automation/automation_provider.h"
#include "chrome/browser/automation/automation_util.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/automation_id.h"
#include "chrome/common/automation_messages.h"
#include "chrome/common/extensions/extension.h"
#include "content/public/browser/web_contents.h"
using automation::Error;
using automation::ErrorCode;
using content::WebContents;
AutomationJSONReply::AutomationJSONReply(AutomationProvider* provider,
IPC::Message* reply_message)
: provider_(provider),
message_(reply_message) {
}
AutomationJSONReply::~AutomationJSONReply() {
DCHECK(!message_) << "JSON automation request not replied!";
}
void AutomationJSONReply::SendSuccess(const Value* value) {
DCHECK(message_) << "Resending reply for JSON automation request";
std::string json_string = "{}";
if (value)
base::JSONWriter::Write(value, &json_string);
AutomationMsg_SendJSONRequest::WriteReplyParams(
message_, json_string, true);
provider_->Send(message_);
message_ = NULL;
}
void AutomationJSONReply::SendError(const std::string& error_message) {
SendError(Error(error_message));
}
void AutomationJSONReply::SendErrorCode(ErrorCode code) {
SendError(Error(code));
}
void AutomationJSONReply::SendError(const Error& error) {
DCHECK(message_) << "Resending reply for JSON automation request";
base::DictionaryValue dict;
dict.SetString("error", error.message());
dict.SetInteger("code", error.code());
std::string json;
base::JSONWriter::Write(&dict, &json);
AutomationMsg_SendJSONRequest::WriteReplyParams(message_, json, false);
provider_->Send(message_);
message_ = NULL;
}
bool GetBrowserFromJSONArgs(
DictionaryValue* args,
Browser** browser,
std::string* error) {
if (args->HasKey("auto_id")) {
AutomationId id;
if (!GetAutomationIdFromJSONArgs(args, "auto_id", &id, error))
return false;
WebContents* tab;
if (!automation_util::GetTabForId(id, &tab)) {
*error = "'auto_id' does not refer to an open tab";
return false;
}
Browser* container = automation_util::GetBrowserForTab(tab);
if (!container) {
*error = "tab does not belong to an open browser";
return false;
}
*browser = container;
} else {
int browser_index;
if (!args->GetInteger("windex", &browser_index)) {
*error = "'windex' missing or invalid";
return false;
}
*browser = automation_util::GetBrowserAt(browser_index);
if (!*browser) {
*error = "Cannot locate browser from given index";
return false;
}
}
return true;
}
bool GetTabFromJSONArgs(
DictionaryValue* args,
WebContents** tab,
std::string* error) {
if (args->HasKey("auto_id")) {
AutomationId id;
if (!GetAutomationIdFromJSONArgs(args, "auto_id", &id, error))
return false;
if (!automation_util::GetTabForId(id, tab)) {
*error = "'auto_id' does not refer to an open tab";
return false;
}
} else {
int browser_index, tab_index;
if (!args->GetInteger("windex", &browser_index)) {
*error = "'windex' missing or invalid";
return false;
}
if (!args->GetInteger("tab_index", &tab_index)) {
*error = "'tab_index' missing or invalid";
return false;
}
*tab = automation_util::GetWebContentsAt(browser_index, tab_index);
if (!*tab) {
*error = "Cannot locate tab from given indices";
return false;
}
}
return true;
}
bool GetBrowserAndTabFromJSONArgs(
DictionaryValue* args,
Browser** browser,
WebContents** tab,
std::string* error) {
return GetBrowserFromJSONArgs(args, browser, error) &&
GetTabFromJSONArgs(args, tab, error);
}
bool GetAutomationIdFromJSONArgs(
DictionaryValue* args,
const std::string& key,
AutomationId* id,
std::string* error) {
Value* id_value;
if (!args->Get(key, &id_value)) {
*error = base::StringPrintf("Missing parameter '%s'", key.c_str());
return false;
}
return AutomationId::FromValue(id_value, id, error);
}
bool GetRenderViewFromJSONArgs(
DictionaryValue* args,
Profile* profile,
content::RenderViewHost** rvh,
std::string* error) {
Value* id_value;
if (args->Get("auto_id", &id_value)) {
AutomationId id;
if (!AutomationId::FromValue(id_value, &id, error))
return false;
if (!automation_util::GetRenderViewForId(id, profile, rvh)) {
*error = "ID does not correspond to an open view";
return false;
}
} else {
// If the render view id is not specified, check for browser/tab indices.
WebContents* tab = NULL;
if (!GetTabFromJSONArgs(args, &tab, error))
return false;
*rvh = tab->GetRenderViewHost();
}
return true;
}
namespace {
bool GetExtensionFromJSONArgsHelper(
base::DictionaryValue* args,
const std::string& key,
Profile* profile,
bool include_disabled,
const extensions::Extension** extension,
std::string* error) {
std::string id;
if (!args->GetString(key, &id)) {
*error = base::StringPrintf("Missing or invalid key: %s", key.c_str());
return false;
}
ExtensionService* service = extensions::ExtensionSystem::Get(profile)->
extension_service();
if (!service) {
*error = "No extensions service.";
return false;
}
if (!service->GetInstalledExtension(id)) {
// The extension ID does not correspond to any extension, whether crashed
// or not.
*error = base::StringPrintf("Extension %s is not installed.",
id.c_str());
return false;
}
const extensions::Extension* installed_extension =
service->GetExtensionById(id, include_disabled);
if (!installed_extension) {
*error = "Extension is disabled or has crashed.";
return false;
}
*extension = installed_extension;
return true;
}
} // namespace
bool GetExtensionFromJSONArgs(
base::DictionaryValue* args,
const std::string& key,
Profile* profile,
const extensions::Extension** extension,
std::string* error) {
return GetExtensionFromJSONArgsHelper(
args, key, profile, true /* include_disabled */, extension, error);
}
bool GetEnabledExtensionFromJSONArgs(
base::DictionaryValue* args,
const std::string& key,
Profile* profile,
const extensions::Extension** extension,
std::string* error) {
return GetExtensionFromJSONArgsHelper(
args, key, profile, false /* include_disabled */, extension, error);
}
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