/
Session.cpp
2143 lines (1982 loc) · 98.4 KB
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Session.cpp
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/*
* Copyright (C) 2017 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Session.h"
#include "CommandResult.h"
#include "SessionHost.h"
#include "WebDriverAtoms.h"
#include <wtf/CryptographicallyRandomNumber.h>
#include <wtf/HexNumber.h>
#include <wtf/UUID.h>
namespace WebDriver {
// The web element identifier is a constant defined by the spec in Section 11 Elements.
// https://www.w3.org/TR/webdriver/#elements
static const String webElementIdentifier = ASCIILiteral("element-6066-11e4-a52e-4f735466cecf");
Session::Session(std::unique_ptr<SessionHost>&& host)
: m_host(WTFMove(host))
, m_id(createCanonicalUUIDString())
{
}
Session::~Session()
{
}
const Capabilities& Session::capabilities() const
{
return m_host->capabilities();
}
static std::optional<String> firstWindowHandleInResult(JSON::Value& result)
{
RefPtr<JSON::Array> handles;
if (result.asArray(handles) && handles->length()) {
auto handleValue = handles->get(0);
String handle;
if (handleValue->asString(handle))
return handle;
}
return std::nullopt;
}
void Session::closeAllToplevelBrowsingContexts(const String& toplevelBrowsingContext, Function<void (CommandResult&&)>&& completionHandler)
{
closeTopLevelBrowsingContext(toplevelBrowsingContext, [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
if (auto handle = firstWindowHandleInResult(*result.result())) {
closeAllToplevelBrowsingContexts(handle.value(), WTFMove(completionHandler));
return;
}
completionHandler(CommandResult::success());
});
}
void Session::close(Function<void (CommandResult&&)>&& completionHandler)
{
m_toplevelBrowsingContext = std::nullopt;
getWindowHandles([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
if (auto handle = firstWindowHandleInResult(*result.result())) {
closeAllToplevelBrowsingContexts(handle.value(), WTFMove(completionHandler));
return;
}
completionHandler(CommandResult::success());
});
}
void Session::setTimeouts(const Timeouts& timeouts, Function<void (CommandResult&&)>&& completionHandler)
{
if (timeouts.script)
m_timeouts.script = timeouts.script;
if (timeouts.pageLoad)
m_timeouts.pageLoad = timeouts.pageLoad;
if (timeouts.implicit)
m_timeouts.implicit = timeouts.implicit;
completionHandler(CommandResult::success());
}
void Session::switchToTopLevelBrowsingContext(std::optional<String> toplevelBrowsingContext)
{
m_toplevelBrowsingContext = toplevelBrowsingContext;
m_currentBrowsingContext = std::nullopt;
}
void Session::switchToBrowsingContext(std::optional<String> browsingContext)
{
// Automation sends empty strings for main frame.
if (!browsingContext || browsingContext.value().isEmpty())
m_currentBrowsingContext = std::nullopt;
else
m_currentBrowsingContext = browsingContext;
}
std::optional<String> Session::pageLoadStrategyString() const
{
if (!capabilities().pageLoadStrategy)
return std::nullopt;
switch (capabilities().pageLoadStrategy.value()) {
case PageLoadStrategy::None:
return String("None");
case PageLoadStrategy::Normal:
return String("Normal");
case PageLoadStrategy::Eager:
return String("Eager");
}
return std::nullopt;
}
void Session::createTopLevelBrowsingContext(Function<void (CommandResult&&)>&& completionHandler)
{
ASSERT(!m_toplevelBrowsingContext.value());
m_host->startAutomationSession(m_id, [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](std::optional<String> errorMessage) mutable {
if (errorMessage) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError, errorMessage.value()));
return;
}
m_host->sendCommandToBackend(ASCIILiteral("createBrowsingContext"), nullptr, [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) mutable {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String handle;
if (!response.responseObject->getString(ASCIILiteral("handle"), handle)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
switchToTopLevelBrowsingContext(handle);
completionHandler(CommandResult::success());
});
});
}
void Session::handleUserPrompts(Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
m_host->sendCommandToBackend(ASCIILiteral("isShowingJavaScriptDialog"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) mutable {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
bool isShowingJavaScriptDialog;
if (!response.responseObject->getBoolean("result", isShowingJavaScriptDialog)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
if (!isShowingJavaScriptDialog) {
completionHandler(CommandResult::success());
return;
}
handleUnexpectedAlertOpen(WTFMove(completionHandler));
});
}
void Session::handleUnexpectedAlertOpen(Function<void (CommandResult&&)>&& completionHandler)
{
if (!capabilities().unhandledPromptBehavior) {
reportUnexpectedAlertOpen([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
dismissAlert([this, errorResult = WTFMove(result), completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
completionHandler(WTFMove(errorResult));
});
});
return;
}
switch (capabilities().unhandledPromptBehavior.value()) {
case UnhandledPromptBehavior::Dismiss:
dismissAlert(WTFMove(completionHandler));
break;
case UnhandledPromptBehavior::Accept:
acceptAlert(WTFMove(completionHandler));
break;
case UnhandledPromptBehavior::Ignore:
reportUnexpectedAlertOpen(WTFMove(completionHandler));
break;
}
}
void Session::reportUnexpectedAlertOpen(Function<void (CommandResult&&)>&& completionHandler)
{
getAlertText([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) {
std::optional<String> alertText;
if (!result.isError()) {
String valueString;
if (result.result()->asString(valueString))
alertText = valueString;
}
auto errorResult = CommandResult::fail(CommandResult::ErrorCode::UnexpectedAlertOpen);
if (alertText) {
RefPtr<JSON::Object> additonalData = JSON::Object::create();
additonalData->setString(ASCIILiteral("text"), alertText.value());
errorResult.setAdditionalErrorData(WTFMove(additonalData));
}
completionHandler(WTFMove(errorResult));
});
}
void Session::go(const String& url, Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, url, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
parameters->setString(ASCIILiteral("url"), url);
if (m_timeouts.pageLoad)
parameters->setInteger(ASCIILiteral("pageLoadTimeout"), m_timeouts.pageLoad.value().millisecondsAs<int>());
if (auto pageLoadStrategy = pageLoadStrategyString())
parameters->setString(ASCIILiteral("pageLoadStrategy"), pageLoadStrategy.value());
m_host->sendCommandToBackend(ASCIILiteral("navigateBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
switchToBrowsingContext(std::nullopt);
completionHandler(CommandResult::success());
});
});
}
void Session::getCurrentURL(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
m_host->sendCommandToBackend(ASCIILiteral("getBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
RefPtr<JSON::Object> browsingContext;
if (!response.responseObject->getObject("context", browsingContext)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
String url;
if (!browsingContext->getString("url", url)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
completionHandler(CommandResult::success(JSON::Value::create(url)));
});
});
}
void Session::back(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
if (m_timeouts.pageLoad)
parameters->setInteger(ASCIILiteral("pageLoadTimeout"), m_timeouts.pageLoad.value().millisecondsAs<int>());
if (auto pageLoadStrategy = pageLoadStrategyString())
parameters->setString(ASCIILiteral("pageLoadStrategy"), pageLoadStrategy.value());
m_host->sendCommandToBackend(ASCIILiteral("goBackInBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
switchToBrowsingContext(std::nullopt);
completionHandler(CommandResult::success());
});
});
}
void Session::forward(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
if (m_timeouts.pageLoad)
parameters->setInteger(ASCIILiteral("pageLoadTimeout"), m_timeouts.pageLoad.value().millisecondsAs<int>());
if (auto pageLoadStrategy = pageLoadStrategyString())
parameters->setString(ASCIILiteral("pageLoadStrategy"), pageLoadStrategy.value());
m_host->sendCommandToBackend(ASCIILiteral("goForwardInBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
switchToBrowsingContext(std::nullopt);
completionHandler(CommandResult::success());
});
});
}
void Session::refresh(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
if (m_timeouts.pageLoad)
parameters->setInteger(ASCIILiteral("pageLoadTimeout"), m_timeouts.pageLoad.value().millisecondsAs<int>());
if (auto pageLoadStrategy = pageLoadStrategyString())
parameters->setString(ASCIILiteral("pageLoadStrategy"), pageLoadStrategy.value());
m_host->sendCommandToBackend(ASCIILiteral("reloadBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
switchToBrowsingContext(std::nullopt);
completionHandler(CommandResult::success());
});
});
}
void Session::getTitle(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
parameters->setString(ASCIILiteral("function"), ASCIILiteral("function() { return document.title; }"));
parameters->setArray(ASCIILiteral("arguments"), JSON::Array::create());
m_host->sendCommandToBackend(ASCIILiteral("evaluateJavaScriptFunction"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String valueString;
if (!response.responseObject->getString(ASCIILiteral("result"), valueString)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Value> resultValue;
if (!JSON::Value::parseJSON(valueString, resultValue)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
completionHandler(CommandResult::success(WTFMove(resultValue)));
});
});
}
void Session::getWindowHandle(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
m_host->sendCommandToBackend(ASCIILiteral("getBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
RefPtr<JSON::Object> browsingContext;
if (!response.responseObject->getObject(ASCIILiteral("context"), browsingContext)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
String handle;
if (!browsingContext->getString(ASCIILiteral("handle"), handle)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
completionHandler(CommandResult::success(JSON::Value::create(handle)));
});
}
void Session::closeTopLevelBrowsingContext(const String& toplevelBrowsingContext, Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), toplevelBrowsingContext);
m_host->sendCommandToBackend(ASCIILiteral("closeBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) mutable {
if (!m_host->isConnected()) {
// Closing the browsing context made the browser quit.
completionHandler(CommandResult::success(JSON::Array::create()));
return;
}
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
getWindowHandles([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) {
if (!m_host->isConnected()) {
// Closing the browsing context made the browser quit.
completionHandler(CommandResult::success(JSON::Array::create()));
return;
}
completionHandler(WTFMove(result));
});
});
}
void Session::closeWindow(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
auto toplevelBrowsingContext = std::exchange(m_toplevelBrowsingContext, std::nullopt);
closeTopLevelBrowsingContext(toplevelBrowsingContext.value(), WTFMove(completionHandler));
});
}
void Session::switchToWindow(const String& windowHandle, Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), windowHandle);
m_host->sendCommandToBackend(ASCIILiteral("switchToBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), windowHandle, completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
switchToTopLevelBrowsingContext(windowHandle);
completionHandler(CommandResult::success());
});
}
void Session::getWindowHandles(Function<void (CommandResult&&)>&& completionHandler)
{
m_host->sendCommandToBackend(ASCIILiteral("getBrowsingContexts"), JSON::Object::create(), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
RefPtr<JSON::Array> browsingContextArray;
if (!response.responseObject->getArray(ASCIILiteral("contexts"), browsingContextArray)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Array> windowHandles = JSON::Array::create();
for (unsigned i = 0; i < browsingContextArray->length(); ++i) {
RefPtr<JSON::Value> browsingContextValue = browsingContextArray->get(i);
RefPtr<JSON::Object> browsingContext;
if (!browsingContextValue->asObject(browsingContext)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
String handle;
if (!browsingContext->getString(ASCIILiteral("handle"), handle)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
windowHandles->pushString(handle);
}
completionHandler(CommandResult::success(WTFMove(windowHandles)));
});
}
void Session::switchToFrame(RefPtr<JSON::Value>&& frameID, Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
if (frameID->isNull()) {
switchToBrowsingContext(std::nullopt);
completionHandler(CommandResult::success());
return;
}
handleUserPrompts([this, frameID = WTFMove(frameID), completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
if (m_currentBrowsingContext)
parameters->setString(ASCIILiteral("frameHandle"), m_currentBrowsingContext.value());
int frameIndex;
if (frameID->asInteger(frameIndex)) {
if (frameIndex < 0 || frameIndex > USHRT_MAX) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchFrame));
return;
}
parameters->setInteger(ASCIILiteral("ordinal"), frameIndex);
} else {
String frameElementID = extractElementID(*frameID);
if (!frameElementID.isEmpty())
parameters->setString(ASCIILiteral("nodeHandle"), frameElementID);
else {
String frameName;
if (!frameID->asString(frameName)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchFrame));
return;
}
parameters->setString(ASCIILiteral("name"), frameName);
}
}
m_host->sendCommandToBackend(ASCIILiteral("resolveChildFrameHandle"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String frameHandle;
if (!response.responseObject->getString(ASCIILiteral("result"), frameHandle)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
switchToBrowsingContext(frameHandle);
completionHandler(CommandResult::success());
});
});
}
void Session::switchToParentFrame(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
if (!m_currentBrowsingContext) {
completionHandler(CommandResult::success());
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
parameters->setString(ASCIILiteral("frameHandle"), m_currentBrowsingContext.value());
m_host->sendCommandToBackend(ASCIILiteral("resolveParentFrameHandle"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String frameHandle;
if (!response.responseObject->getString(ASCIILiteral("result"), frameHandle)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
switchToBrowsingContext(frameHandle);
completionHandler(CommandResult::success());
});
});
}
void Session::getToplevelBrowsingContextRect(Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
m_host->sendCommandToBackend(ASCIILiteral("getBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
RefPtr<JSON::Object> browsingContext;
if (!response.responseObject->getObject(ASCIILiteral("context"), browsingContext)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Object> windowOrigin;
double x, y;
if (!browsingContext->getObject(ASCIILiteral("windowOrigin"), windowOrigin)
|| !windowOrigin->getDouble(ASCIILiteral("x"), x)
|| !windowOrigin->getDouble(ASCIILiteral("y"), y)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Object> windowSize;
double width, height;
if (!browsingContext->getObject(ASCIILiteral("windowSize"), windowSize)
|| !windowSize->getDouble(ASCIILiteral("width"), width)
|| !windowSize->getDouble(ASCIILiteral("height"), width)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
auto windowRect = JSON::Object::create();
windowRect->setDouble(ASCIILiteral("x"), x);
windowRect->setDouble(ASCIILiteral("y"), y);
windowRect->setDouble(ASCIILiteral("width"), width);
windowRect->setDouble(ASCIILiteral("height"), height);
completionHandler(CommandResult::success(WTFMove(windowRect)));
});
}
void Session::moveToplevelBrowsingContextWindow(double x, double y, Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
RefPtr<JSON::Object> windowOrigin = JSON::Object::create();
windowOrigin->setDouble("x", x);
windowOrigin->setDouble("y", y);
parameters->setObject(ASCIILiteral("origin"), WTFMove(windowOrigin));
m_host->sendCommandToBackend(ASCIILiteral("moveWindowOfBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
completionHandler(CommandResult::success());
});
}
void Session::resizeToplevelBrowsingContextWindow(double width, double height, Function<void (CommandResult&&)>&& completionHandler)
{
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("handle"), m_toplevelBrowsingContext.value());
RefPtr<JSON::Object> windowSize = JSON::Object::create();
windowSize->setDouble("width", width);
windowSize->setDouble("height", height);
parameters->setObject(ASCIILiteral("size"), WTFMove(windowSize));
m_host->sendCommandToBackend(ASCIILiteral("resizeWindowOfBrowsingContext"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
completionHandler(CommandResult::success());
});
}
void Session::getWindowRect(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
getToplevelBrowsingContextRect(WTFMove(completionHandler));
});
}
void Session::setWindowRect(std::optional<double> x, std::optional<double> y, std::optional<double> width, std::optional<double> height, Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, x, y, width, height, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
if (width && height) {
resizeToplevelBrowsingContextWindow(width.value(), height.value(), [this, x, y, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
if (!x || !y) {
getToplevelBrowsingContextRect(WTFMove(completionHandler));
return;
}
moveToplevelBrowsingContextWindow(x.value(), y.value(), [this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
getToplevelBrowsingContextRect(WTFMove(completionHandler));
});
});
return;
}
if (x && y) {
moveToplevelBrowsingContextWindow(x.value(), y.value(), [this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
getToplevelBrowsingContextRect(WTFMove(completionHandler));
});
return;
}
getToplevelBrowsingContextRect(WTFMove(completionHandler));
});
}
RefPtr<JSON::Object> Session::createElement(RefPtr<JSON::Value>&& value)
{
RefPtr<JSON::Object> valueObject;
if (!value->asObject(valueObject))
return nullptr;
String elementID;
if (!valueObject->getString("session-node-" + m_id, elementID))
return nullptr;
RefPtr<JSON::Object> elementObject = JSON::Object::create();
elementObject->setString(webElementIdentifier, elementID);
return elementObject;
}
RefPtr<JSON::Object> Session::createElement(const String& elementID)
{
RefPtr<JSON::Object> elementObject = JSON::Object::create();
elementObject->setString("session-node-" + m_id, elementID);
return elementObject;
}
RefPtr<JSON::Object> Session::extractElement(JSON::Value& value)
{
String elementID = extractElementID(value);
return !elementID.isEmpty() ? createElement(elementID) : nullptr;
}
String Session::extractElementID(JSON::Value& value)
{
RefPtr<JSON::Object> valueObject;
if (!value.asObject(valueObject))
return emptyString();
String elementID;
if (!valueObject->getString(webElementIdentifier, elementID))
return emptyString();
return elementID;
}
void Session::computeElementLayout(const String& elementID, OptionSet<ElementLayoutOption> options, Function<void (std::optional<Rect>&&, std::optional<Point>&&, bool, RefPtr<JSON::Object>&&)>&& completionHandler)
{
ASSERT(m_toplevelBrowsingContext.value());
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
parameters->setString(ASCIILiteral("frameHandle"), m_currentBrowsingContext.value_or(emptyString()));
parameters->setString(ASCIILiteral("nodeHandle"), elementID);
parameters->setBoolean(ASCIILiteral("scrollIntoViewIfNeeded"), options.contains(ElementLayoutOption::ScrollIntoViewIfNeeded));
parameters->setString(ASCIILiteral("coordinateSystem"), options.contains(ElementLayoutOption::UseViewportCoordinates) ? ASCIILiteral("LayoutViewport") : ASCIILiteral("Page"));
m_host->sendCommandToBackend(ASCIILiteral("computeElementLayout"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) mutable {
if (response.isError || !response.responseObject) {
completionHandler(std::nullopt, std::nullopt, false, WTFMove(response.responseObject));
return;
}
RefPtr<JSON::Object> rectObject;
if (!response.responseObject->getObject(ASCIILiteral("rect"), rectObject)) {
completionHandler(std::nullopt, std::nullopt, false, nullptr);
return;
}
std::optional<int> elementX;
std::optional<int> elementY;
RefPtr<JSON::Object> elementPosition;
if (rectObject->getObject(ASCIILiteral("origin"), elementPosition)) {
int x, y;
if (elementPosition->getInteger(ASCIILiteral("x"), x) && elementPosition->getInteger(ASCIILiteral("y"), y)) {
elementX = x;
elementY = y;
}
}
if (!elementX || !elementY) {
completionHandler(std::nullopt, std::nullopt, false, nullptr);
return;
}
std::optional<int> elementWidth;
std::optional<int> elementHeight;
RefPtr<JSON::Object> elementSize;
if (rectObject->getObject(ASCIILiteral("size"), elementSize)) {
int width, height;
if (elementSize->getInteger(ASCIILiteral("width"), width) && elementSize->getInteger(ASCIILiteral("height"), height)) {
elementWidth = width;
elementHeight = height;
}
}
if (!elementWidth || !elementHeight) {
completionHandler(std::nullopt, std::nullopt, false, nullptr);
return;
}
Rect rect = { { elementX.value(), elementY.value() }, { elementWidth.value(), elementHeight.value() } };
bool isObscured;
if (!response.responseObject->getBoolean(ASCIILiteral("isObscured"), isObscured)) {
completionHandler(std::nullopt, std::nullopt, false, nullptr);
return;
}
RefPtr<JSON::Object> inViewCenterPointObject;
if (!response.responseObject->getObject(ASCIILiteral("inViewCenterPoint"), inViewCenterPointObject)) {
completionHandler(rect, std::nullopt, isObscured, nullptr);
return;
}
int inViewCenterPointX, inViewCenterPointY;
if (!inViewCenterPointObject->getInteger(ASCIILiteral("x"), inViewCenterPointX)
|| !inViewCenterPointObject->getInteger(ASCIILiteral("y"), inViewCenterPointY)) {
completionHandler(std::nullopt, std::nullopt, isObscured, nullptr);
return;
}
Point inViewCenterPoint = { inViewCenterPointX, inViewCenterPointY };
completionHandler(rect, inViewCenterPoint, isObscured, nullptr);
});
}
void Session::findElements(const String& strategy, const String& selector, FindElementsMode mode, const String& rootElementID, Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
auto implicitWait = m_timeouts.implicit.value_or(0_s);
RefPtr<JSON::Array> arguments = JSON::Array::create();
arguments->pushString(JSON::Value::create(strategy)->toJSONString());
if (rootElementID.isEmpty())
arguments->pushString(JSON::Value::null()->toJSONString());
else
arguments->pushString(createElement(rootElementID)->toJSONString());
arguments->pushString(JSON::Value::create(selector)->toJSONString());
arguments->pushString(JSON::Value::create(mode == FindElementsMode::Single)->toJSONString());
arguments->pushString(JSON::Value::create(implicitWait.milliseconds())->toJSONString());
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
if (m_currentBrowsingContext)
parameters->setString(ASCIILiteral("frameHandle"), m_currentBrowsingContext.value());
parameters->setString(ASCIILiteral("function"), FindNodesJavaScript);
parameters->setArray(ASCIILiteral("arguments"), WTFMove(arguments));
parameters->setBoolean(ASCIILiteral("expectsImplicitCallbackArgument"), true);
// If there's an implicit wait, use one second more as callback timeout.
if (implicitWait)
parameters->setInteger(ASCIILiteral("callbackTimeout"), Seconds(implicitWait + 1_s).millisecondsAs<int>());
m_host->sendCommandToBackend(ASCIILiteral("evaluateJavaScriptFunction"), WTFMove(parameters), [this, protectedThis = makeRef(*this), mode, completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String valueString;
if (!response.responseObject->getString(ASCIILiteral("result"), valueString)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Value> resultValue;
if (!JSON::Value::parseJSON(valueString, resultValue)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
switch (mode) {
case FindElementsMode::Single: {
RefPtr<JSON::Object> elementObject = createElement(WTFMove(resultValue));
if (!elementObject) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchElement));
return;
}
completionHandler(CommandResult::success(WTFMove(elementObject)));
break;
}
case FindElementsMode::Multiple: {
RefPtr<JSON::Array> elementsArray;
if (!resultValue->asArray(elementsArray)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchElement));
return;
}
RefPtr<JSON::Array> elementObjectsArray = JSON::Array::create();
unsigned elementsArrayLength = elementsArray->length();
for (unsigned i = 0; i < elementsArrayLength; ++i) {
if (auto elementObject = createElement(elementsArray->get(i)))
elementObjectsArray->pushObject(WTFMove(elementObject));
}
completionHandler(CommandResult::success(WTFMove(elementObjectsArray)));
break;
}
}
});
}
void Session::getActiveElement(Function<void (CommandResult&&)>&& completionHandler)
{
if (!m_toplevelBrowsingContext) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchWindow));
return;
}
handleUserPrompts([this, completionHandler = WTFMove(completionHandler)](CommandResult&& result) mutable {
if (result.isError()) {
completionHandler(WTFMove(result));
return;
}
RefPtr<JSON::Object> parameters = JSON::Object::create();
parameters->setString(ASCIILiteral("browsingContextHandle"), m_toplevelBrowsingContext.value());
parameters->setString(ASCIILiteral("function"), ASCIILiteral("function() { return document.activeElement; }"));
parameters->setArray(ASCIILiteral("arguments"), JSON::Array::create());
m_host->sendCommandToBackend(ASCIILiteral("evaluateJavaScriptFunction"), WTFMove(parameters), [this, protectedThis = makeRef(*this), completionHandler = WTFMove(completionHandler)](SessionHost::CommandResponse&& response) {
if (response.isError || !response.responseObject) {
completionHandler(CommandResult::fail(WTFMove(response.responseObject)));
return;
}
String valueString;
if (!response.responseObject->getString(ASCIILiteral("result"), valueString)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Value> resultValue;
if (!JSON::Value::parseJSON(valueString, resultValue)) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::UnknownError));
return;
}
RefPtr<JSON::Object> elementObject = createElement(WTFMove(resultValue));
if (!elementObject) {
completionHandler(CommandResult::fail(CommandResult::ErrorCode::NoSuchElement));
return;