HttpCommandExecutor.php
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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 Facebook\WebDriver\Exception\WebDriverException;
use Facebook\WebDriver\WebDriverCommandExecutor;
use InvalidArgumentException;
use BadMethodCallException;
/**
* Command executor talking to the standalone server via HTTP.
*/
class HttpCommandExecutor implements WebDriverCommandExecutor {
/**
* @see
* http://code.google.com/p/selenium/wiki/JsonWireProtocol#Command_Reference
*/
protected static $commands = array(
DriverCommand::ACCEPT_ALERT => array('method' => 'POST', 'url' => '/session/:sessionId/accept_alert'),
DriverCommand::ADD_COOKIE => array('method' => 'POST', 'url' => '/session/:sessionId/cookie'),
DriverCommand::CLEAR_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/clear'),
DriverCommand::CLICK_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/click'),
DriverCommand::CLOSE => array('method' => 'DELETE', 'url' => '/session/:sessionId/window'),
DriverCommand::DELETE_ALL_COOKIES => array('method' => 'DELETE', 'url' => '/session/:sessionId/cookie'),
DriverCommand::DELETE_COOKIE => array('method' => 'DELETE', 'url' => '/session/:sessionId/cookie/:name'),
DriverCommand::DISMISS_ALERT => array('method' => 'POST', 'url' => '/session/:sessionId/dismiss_alert'),
DriverCommand::ELEMENT_EQUALS => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/equals/:other'),
DriverCommand::FIND_CHILD_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/element'),
DriverCommand::FIND_CHILD_ELEMENTS => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/elements'),
DriverCommand::EXECUTE_SCRIPT => array('method' => 'POST', 'url' => '/session/:sessionId/execute'),
DriverCommand::EXECUTE_ASYNC_SCRIPT => array('method' => 'POST', 'url' => '/session/:sessionId/execute_async'),
DriverCommand::FIND_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element'),
DriverCommand::FIND_ELEMENTS => array('method' => 'POST', 'url' => '/session/:sessionId/elements'),
DriverCommand::SWITCH_TO_FRAME => array('method' => 'POST', 'url' => '/session/:sessionId/frame'),
DriverCommand::SWITCH_TO_WINDOW => array('method' => 'POST', 'url' => '/session/:sessionId/window'),
DriverCommand::GET => array('method' => 'POST', 'url' => '/session/:sessionId/url'),
DriverCommand::GET_ACTIVE_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/active'),
DriverCommand::GET_ALERT_TEXT => array('method' => 'GET', 'url' => '/session/:sessionId/alert_text'),
DriverCommand::GET_ALL_COOKIES => array('method' => 'GET', 'url' => '/session/:sessionId/cookie'),
DriverCommand::GET_ALL_SESSIONS => array('method' => 'GET', 'url' => '/sessions'),
DriverCommand::GET_AVAILABLE_LOG_TYPES => array('method' => 'GET', 'url' => '/session/:sessionId/log/types'),
DriverCommand::GET_CURRENT_URL => array('method' => 'GET', 'url' => '/session/:sessionId/url'),
DriverCommand::GET_CURRENT_WINDOW_HANDLE => array('method' => 'GET', 'url' => '/session/:sessionId/window_handle'),
DriverCommand::GET_ELEMENT_ATTRIBUTE => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/attribute/:name'),
DriverCommand::GET_ELEMENT_VALUE_OF_CSS_PROPERTY => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/css/:propertyName'),
DriverCommand::GET_ELEMENT_LOCATION => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/location'),
DriverCommand::GET_ELEMENT_LOCATION_ONCE_SCROLLED_INTO_VIEW => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/location_in_view'),
DriverCommand::GET_ELEMENT_SIZE => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/size'),
DriverCommand::GET_ELEMENT_TAG_NAME => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/name'),
DriverCommand::GET_ELEMENT_TEXT => array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/text'),
DriverCommand::GET_LOG => array('method' => 'POST', 'url' => '/session/:sessionId/log'),
DriverCommand::GET_PAGE_SOURCE => array('method' => 'GET', 'url' => '/session/:sessionId/source'),
DriverCommand::GET_SCREEN_ORIENTATION => array('method' => 'GET', 'url' => '/session/:sessionId/orientation'),
DriverCommand::GET_CAPABILITIES => array('method' => 'GET', 'url' => '/session/:sessionId'),
DriverCommand::GET_TITLE => array('method' => 'GET', 'url' => '/session/:sessionId/title'),
DriverCommand::GET_WINDOW_HANDLES => array('method' => 'GET', 'url' => '/session/:sessionId/window_handles'),
DriverCommand::GET_WINDOW_POSITION => array('method' => 'GET', 'url' => '/session/:sessionId/window/:windowHandle/position'),
DriverCommand::GET_WINDOW_SIZE => array('method' => 'GET', 'url' => '/session/:sessionId/window/:windowHandle/size'),
DriverCommand::GO_BACK => array('method' => 'POST', 'url' => '/session/:sessionId/back'),
DriverCommand::GO_FORWARD => array('method' => 'POST', 'url' => '/session/:sessionId/forward'),
DriverCommand::IS_ELEMENT_DISPLAYED=> array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/displayed'),
DriverCommand::IS_ELEMENT_ENABLED=> array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/enabled'),
DriverCommand::IS_ELEMENT_SELECTED=> array('method' => 'GET', 'url' => '/session/:sessionId/element/:id/selected'),
DriverCommand::MAXIMIZE_WINDOW => array('method' => 'POST', 'url' => '/session/:sessionId/window/:windowHandle/maximize'),
DriverCommand::MOUSE_DOWN => array('method' => 'POST', 'url' => '/session/:sessionId/buttondown'),
DriverCommand::MOUSE_UP => array('method' => 'POST', 'url' => '/session/:sessionId/buttonup'),
DriverCommand::CLICK => array('method' => 'POST', 'url' => '/session/:sessionId/click'),
DriverCommand::DOUBLE_CLICK => array('method' => 'POST', 'url' => '/session/:sessionId/doubleclick'),
DriverCommand::MOVE_TO => array('method' => 'POST', 'url' => '/session/:sessionId/moveto'),
DriverCommand::NEW_SESSION => array('method' => 'POST', 'url' => '/session'),
DriverCommand::QUIT => array('method' => 'DELETE', 'url' => '/session/:sessionId'),
DriverCommand::REFRESH => array('method' => 'POST', 'url' => '/session/:sessionId/refresh'),
DriverCommand::UPLOAD_FILE => array('method' => 'POST', 'url' => '/session/:sessionId/file'), // undocumented
DriverCommand::SEND_KEYS_TO_ACTIVE_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/keys'),
DriverCommand::SET_ALERT_VALUE => array('method' => 'POST', 'url' => '/session/:sessionId/alert_text'),
DriverCommand::SEND_KEYS_TO_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/value'),
DriverCommand::IMPLICITLY_WAIT => array('method' => 'POST', 'url' => '/session/:sessionId/timeouts/implicit_wait'),
DriverCommand::SET_SCREEN_ORIENTATION => array('method' => 'POST', 'url' => '/session/:sessionId/orientation'),
DriverCommand::SET_TIMEOUT => array('method' => 'POST', 'url' => '/session/:sessionId/timeouts'),
DriverCommand::SET_SCRIPT_TIMEOUT => array('method' => 'POST', 'url' => '/session/:sessionId/timeouts/async_script'),
DriverCommand::SET_WINDOW_POSITION => array('method' => 'POST', 'url' => '/session/:sessionId/window/:windowHandle/position'),
DriverCommand::SET_WINDOW_SIZE => array('method' => 'POST', 'url' => '/session/:sessionId/window/:windowHandle/size'),
DriverCommand::SUBMIT_ELEMENT => array('method' => 'POST', 'url' => '/session/:sessionId/element/:id/submit'),
DriverCommand::SCREENSHOT => array('method' => 'GET', 'url' => '/session/:sessionId/screenshot'),
DriverCommand::TOUCH_SINGLE_TAP => array('method' => 'POST', 'url' => '/session/:sessionId/touch/click'),
DriverCommand::TOUCH_DOWN => array('method' => 'POST', 'url' => '/session/:sessionId/touch/down'),
DriverCommand::TOUCH_DOUBLE_TAP => array('method' => 'POST', 'url' => '/session/:sessionId/touch/doubleclick'),
DriverCommand::TOUCH_FLICK => array('method' => 'POST', 'url' => '/session/:sessionId/touch/flick'),
DriverCommand::TOUCH_LONG_PRESS => array('method' => 'POST', 'url' => '/session/:sessionId/touch/longclick'),
DriverCommand::TOUCH_MOVE => array('method' => 'POST', 'url' => '/session/:sessionId/touch/move'),
DriverCommand::TOUCH_SCROLL => array('method' => 'POST', 'url' => '/session/:sessionId/touch/scroll'),
DriverCommand::TOUCH_UP => array('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, $http_proxy);
if (!empty($http_proxy_port)) {
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,
array(
'Content-Type: application/json;charset=UTF-8',
'Accept: application/json',
)
);
$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
*
* @return mixed
*
* @throws WebDriverException
*/
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, $url);
if ($http_method != 'POST') {
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);
}
$encoded_params = null;
if ($http_method === 'POST' && $params && is_array($params)) {
$encoded_params = json_encode($params);
}
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));
}
WebDriverException::throwException(-1, $msg . "\n\n" . $error, array());
}
$results = json_decode($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']) ? $results['status'] : 0;
WebDriverException::throwException($status, $message, $results);
$response = new WebDriverResponse($sessionId);
return $response
->setStatus($status)
->setValue($value);
}
/**
* @return string
*/
public function getAddressOfRemoteServer() {
return $this->url;
}
}