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<?php
// Copyright 2004-present Facebook. All Rights Reserved.
//
// 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.
namespace Facebook\WebDriver\Remote;
use BadMethodCallException;
use Facebook\WebDriver\Exception\WebDriverCurlException;
use Facebook\WebDriver\Exception\WebDriverException;
use Facebook\WebDriver\WebDriverCommandExecutor;
use InvalidArgumentException;
/**
* Command executor talking to the standalone server via HTTP.
*/
class HttpCommandExecutor implements WebDriverCommandExecutor
{
const DEFAULT_HTTP_HEADERS = [
'Content-Type: application/json;charset=UTF-8',
'Accept: application/json',
];
/**
* @see https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol#command-reference
*/
protected static $commands = [
DriverCommand::ACCEPT_ALERT => ['method' => 'POST', 'url' => '/session/:sessionId/accept_alert'],
DriverCommand::ADD_COOKIE => ['method' => 'POST', 'url' => '/session/:sessionId/cookie'],
DriverCommand::CLEAR_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/clear'],
DriverCommand::CLICK_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/click'],
DriverCommand::CLOSE => ['method' => 'DELETE', 'url' => '/session/:sessionId/window'],
DriverCommand::DELETE_ALL_COOKIES => ['method' => 'DELETE', 'url' => '/session/:sessionId/cookie'],
DriverCommand::DELETE_COOKIE => ['method' => 'DELETE', 'url' => '/session/:sessionId/cookie/:name'],
DriverCommand::DISMISS_ALERT => ['method' => 'POST', 'url' => '/session/:sessionId/dismiss_alert'],
DriverCommand::ELEMENT_EQUALS => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/equals/:other'],
DriverCommand::FIND_CHILD_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/element'],
DriverCommand::FIND_CHILD_ELEMENTS => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/elements'],
DriverCommand::EXECUTE_SCRIPT => ['method' => 'POST', 'url' => '/session/:sessionId/execute'],
DriverCommand::EXECUTE_ASYNC_SCRIPT => ['method' => 'POST', 'url' => '/session/:sessionId/execute_async'],
DriverCommand::FIND_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element'],
DriverCommand::FIND_ELEMENTS => ['method' => 'POST', 'url' => '/session/:sessionId/elements'],
DriverCommand::SWITCH_TO_FRAME => ['method' => 'POST', 'url' => '/session/:sessionId/frame'],
DriverCommand::SWITCH_TO_WINDOW => ['method' => 'POST', 'url' => '/session/:sessionId/window'],
DriverCommand::GET => ['method' => 'POST', 'url' => '/session/:sessionId/url'],
DriverCommand::GET_ACTIVE_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/active'],
DriverCommand::GET_ALERT_TEXT => ['method' => 'GET', 'url' => '/session/:sessionId/alert_text'],
DriverCommand::GET_ALL_COOKIES => ['method' => 'GET', 'url' => '/session/:sessionId/cookie'],
DriverCommand::GET_ALL_SESSIONS => ['method' => 'GET', 'url' => '/sessions'],
DriverCommand::GET_AVAILABLE_LOG_TYPES => ['method' => 'GET', 'url' => '/session/:sessionId/log/types'],
DriverCommand::GET_CURRENT_URL => ['method' => 'GET', 'url' => '/session/:sessionId/url'],
DriverCommand::GET_CURRENT_WINDOW_HANDLE => ['method' => 'GET', 'url' => '/session/:sessionId/window_handle'],
DriverCommand::GET_ELEMENT_ATTRIBUTE => [
'method' => 'GET',
'url' => '/session/:sessionId/element/:id/attribute/:name',
],
DriverCommand::GET_ELEMENT_VALUE_OF_CSS_PROPERTY => [
'method' => 'GET',
'url' => '/session/:sessionId/element/:id/css/:propertyName',
],
DriverCommand::GET_ELEMENT_LOCATION => [
'method' => 'GET',
'url' => '/session/:sessionId/element/:id/location',
],
DriverCommand::GET_ELEMENT_LOCATION_ONCE_SCROLLED_INTO_VIEW => [
'method' => 'GET',
'url' => '/session/:sessionId/element/:id/location_in_view',
],
DriverCommand::GET_ELEMENT_SIZE => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/size'],
DriverCommand::GET_ELEMENT_TAG_NAME => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/name'],
DriverCommand::GET_ELEMENT_TEXT => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/text'],
DriverCommand::GET_LOG => ['method' => 'POST', 'url' => '/session/:sessionId/log'],
DriverCommand::GET_PAGE_SOURCE => ['method' => 'GET', 'url' => '/session/:sessionId/source'],
DriverCommand::GET_SCREEN_ORIENTATION => ['method' => 'GET', 'url' => '/session/:sessionId/orientation'],
DriverCommand::GET_CAPABILITIES => ['method' => 'GET', 'url' => '/session/:sessionId'],
DriverCommand::GET_TITLE => ['method' => 'GET', 'url' => '/session/:sessionId/title'],
DriverCommand::GET_WINDOW_HANDLES => ['method' => 'GET', 'url' => '/session/:sessionId/window_handles'],
DriverCommand::GET_WINDOW_POSITION => [
'method' => 'GET',
'url' => '/session/:sessionId/window/:windowHandle/position',
],
DriverCommand::GET_WINDOW_SIZE => ['method' => 'GET', 'url' => '/session/:sessionId/window/:windowHandle/size'],
DriverCommand::GO_BACK => ['method' => 'POST', 'url' => '/session/:sessionId/back'],
DriverCommand::GO_FORWARD => ['method' => 'POST', 'url' => '/session/:sessionId/forward'],
DriverCommand::IS_ELEMENT_DISPLAYED => [
'method' => 'GET',
'url' => '/session/:sessionId/element/:id/displayed',
],
DriverCommand::IS_ELEMENT_ENABLED => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/enabled'],
DriverCommand::IS_ELEMENT_SELECTED => ['method' => 'GET', 'url' => '/session/:sessionId/element/:id/selected'],
DriverCommand::MAXIMIZE_WINDOW => [
'method' => 'POST',
'url' => '/session/:sessionId/window/:windowHandle/maximize',
],
DriverCommand::MOUSE_DOWN => ['method' => 'POST', 'url' => '/session/:sessionId/buttondown'],
DriverCommand::MOUSE_UP => ['method' => 'POST', 'url' => '/session/:sessionId/buttonup'],
DriverCommand::CLICK => ['method' => 'POST', 'url' => '/session/:sessionId/click'],
DriverCommand::DOUBLE_CLICK => ['method' => 'POST', 'url' => '/session/:sessionId/doubleclick'],
DriverCommand::MOVE_TO => ['method' => 'POST', 'url' => '/session/:sessionId/moveto'],
DriverCommand::NEW_SESSION => ['method' => 'POST', 'url' => '/session'],
DriverCommand::QUIT => ['method' => 'DELETE', 'url' => '/session/:sessionId'],
DriverCommand::REFRESH => ['method' => 'POST', 'url' => '/session/:sessionId/refresh'],
DriverCommand::UPLOAD_FILE => ['method' => 'POST', 'url' => '/session/:sessionId/file'], // undocumented
DriverCommand::SEND_KEYS_TO_ACTIVE_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/keys'],
DriverCommand::SET_ALERT_VALUE => ['method' => 'POST', 'url' => '/session/:sessionId/alert_text'],
DriverCommand::SEND_KEYS_TO_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/value'],
DriverCommand::IMPLICITLY_WAIT => ['method' => 'POST', 'url' => '/session/:sessionId/timeouts/implicit_wait'],
DriverCommand::SET_SCREEN_ORIENTATION => ['method' => 'POST', 'url' => '/session/:sessionId/orientation'],
DriverCommand::SET_TIMEOUT => ['method' => 'POST', 'url' => '/session/:sessionId/timeouts'],
DriverCommand::SET_SCRIPT_TIMEOUT => ['method' => 'POST', 'url' => '/session/:sessionId/timeouts/async_script'],
DriverCommand::SET_WINDOW_POSITION => [
'method' => 'POST',
'url' => '/session/:sessionId/window/:windowHandle/position',
],
DriverCommand::SET_WINDOW_SIZE => [
'method' => 'POST',
'url' => '/session/:sessionId/window/:windowHandle/size',
],
DriverCommand::SUBMIT_ELEMENT => ['method' => 'POST', 'url' => '/session/:sessionId/element/:id/submit'],
DriverCommand::SCREENSHOT => ['method' => 'GET', 'url' => '/session/:sessionId/screenshot'],
DriverCommand::TOUCH_SINGLE_TAP => ['method' => 'POST', 'url' => '/session/:sessionId/touch/click'],
DriverCommand::TOUCH_DOWN => ['method' => 'POST', 'url' => '/session/:sessionId/touch/down'],
DriverCommand::TOUCH_DOUBLE_TAP => ['method' => 'POST', 'url' => '/session/:sessionId/touch/doubleclick'],
DriverCommand::TOUCH_FLICK => ['method' => 'POST', 'url' => '/session/:sessionId/touch/flick'],
DriverCommand::TOUCH_LONG_PRESS => ['method' => 'POST', 'url' => '/session/:sessionId/touch/longclick'],
DriverCommand::TOUCH_MOVE => ['method' => 'POST', 'url' => '/session/:sessionId/touch/move'],
DriverCommand::TOUCH_SCROLL => ['method' => 'POST', 'url' => '/session/:sessionId/touch/scroll'],
DriverCommand::TOUCH_UP => ['method' => 'POST', 'url' => '/session/:sessionId/touch/up'],
];
/**
* @var string
*/
protected $url;
/**
* @var resource
*/
protected $curl;
/**
* @param string $url
* @param string|null $http_proxy
* @param int|null $http_proxy_port
*/
public function __construct($url, $http_proxy = null, $http_proxy_port = null)
{
$this->url = $url;
$this->curl = curl_init();
if (!empty($http_proxy)) {
curl_setopt($this->curl, CURLOPT_PROXY, $http_proxy);
if ($http_proxy_port !== null) {
curl_setopt($this->curl, CURLOPT_PROXYPORT, $http_proxy_port);
}
}
// Get credentials from $url (if any)
$matches = null;
if (preg_match("/^(https?:\/\/)(.*):(.*)@(.*?)/U", $url, $matches)) {
$this->url = $matches[1] . $matches[4];
$auth_creds = $matches[2] . ':' . $matches[3];
curl_setopt($this->curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($this->curl, CURLOPT_USERPWD, $auth_creds);
}
curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($this->curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($this->curl, CURLOPT_HTTPHEADER, static::DEFAULT_HTTP_HEADERS);
$this->setRequestTimeout(30000);
$this->setConnectionTimeout(30000);
}
/**
* Set timeout for the connect phase
*
* @param int $timeout_in_ms Timeout in milliseconds
* @return HttpCommandExecutor
*/
public function setConnectionTimeout($timeout_in_ms)
{
// There is a PHP bug in some versions which didn't define the constant.
curl_setopt(
$this->curl,
/* CURLOPT_CONNECTTIMEOUT_MS */
156,
$timeout_in_ms
);
return $this;
}
/**
* Set the maximum time of a request
*
* @param int $timeout_in_ms Timeout in milliseconds
* @return HttpCommandExecutor
*/
public function setRequestTimeout($timeout_in_ms)
{
// There is a PHP bug in some versions (at least for PHP 5.3.3) which
// didn't define the constant.
curl_setopt(
$this->curl,
/* CURLOPT_TIMEOUT_MS */
155,
$timeout_in_ms
);
return $this;
}
/**
* @param WebDriverCommand $command
*
* @throws WebDriverException
* @return WebDriverResponse
*/
public function execute(WebDriverCommand $command)
{
if (!isset(self::$commands[$command->getName()])) {
throw new InvalidArgumentException($command->getName() . ' is not a valid command.');
}
$raw = self::$commands[$command->getName()];
$http_method = $raw['method'];
$url = $raw['url'];
$url = str_replace(':sessionId', $command->getSessionID(), $url);
$params = $command->getParameters();
foreach ($params as $name => $value) {
if ($name[0] === ':') {
$url = str_replace($name, $value, $url);
unset($params[$name]);
}
}
if ($params && is_array($params) && $http_method !== 'POST') {
throw new BadMethodCallException(sprintf(
'The http method called for %s is %s but it has to be POST' .
' if you want to pass the JSON params %s',
$url,
$http_method,
json_encode($params)
));
}
curl_setopt($this->curl, CURLOPT_URL, $this->url . $url);
// https://github.com/facebook/php-webdriver/issues/173
if ($command->getName() === DriverCommand::NEW_SESSION) {
curl_setopt($this->curl, CURLOPT_POST, 1);
} else {
curl_setopt($this->curl, CURLOPT_CUSTOMREQUEST, $http_method);
}
if (in_array($http_method, ['POST', 'PUT'])) {
// Disable sending 'Expect: 100-Continue' header, as it is causing issues with eg. squid proxy
// https://tools.ietf.org/html/rfc7231#section-5.1.1
curl_setopt($this->curl, CURLOPT_HTTPHEADER, array_merge(static::DEFAULT_HTTP_HEADERS, ['Expect:']));
} else {
curl_setopt($this->curl, CURLOPT_HTTPHEADER, static::DEFAULT_HTTP_HEADERS);
}
$encoded_params = null;
if ($http_method === 'POST' && $params && is_array($params)) {
$encoded_params = json_encode($params);
} elseif ($http_method === 'POST' && $encoded_params === null) {
// Workaround for bug https://bugs.chromium.org/p/chromedriver/issues/detail?id=2943 in Chrome 75.
// Chromedriver now erroneously does not allow POST body to be empty even for the JsonWire protocol.
// If the command POST is empty, here we send some dummy data as a workaround:
$encoded_params = json_encode(['_' => '_']);
}
curl_setopt($this->curl, CURLOPT_POSTFIELDS, $encoded_params);
$raw_results = trim(curl_exec($this->curl));
if ($error = curl_error($this->curl)) {
$msg = sprintf(
'Curl error thrown for http %s to %s',
$http_method,
$url
);
if ($params && is_array($params)) {
$msg .= sprintf(' with params: %s', json_encode($params));
}
throw new WebDriverCurlException($msg . "\n\n" . $error);
}
$results = json_decode($raw_results, true);
if ($results === null && json_last_error() !== JSON_ERROR_NONE) {
throw new WebDriverException(
sprintf(
"JSON decoding of remote response failed.\n" .
"Error code: %d\n" .
"The response: '%s'\n",
json_last_error(),
$raw_results
)
);
}
$value = null;
if (is_array($results) && array_key_exists('value', $results)) {
$value = $results['value'];
}
$message = null;
if (is_array($value) && array_key_exists('message', $value)) {
$message = $value['message'];
}
$sessionId = null;
if (is_array($results) && array_key_exists('sessionId', $results)) {
$sessionId = $results['sessionId'];
}
$status = isset($results['status']) ? $results['status'] : 0;
if ($status != 0) {
WebDriverException::throwException($status, $message, $results);
}
$response = new WebDriverResponse($sessionId);
return $response
->setStatus($status)
->setValue($value);
}
/**
* @return string
*/
public function getAddressOfRemoteServer()
{
return $this->url;
}
}