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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you 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.
package org.openqa.selenium.server.browserlaunchers;
import org.openqa.selenium.Capabilities;
import org.openqa.selenium.browserlaunchers.locators.InternetExplorerLocator;
import org.openqa.selenium.io.FileHandler;
import org.openqa.selenium.os.CommandLine;
import org.openqa.selenium.os.WindowsProcessGroup;
import org.openqa.selenium.os.WindowsUtils;
import org.openqa.selenium.server.FrameGroupCommandQueueSet;
import org.openqa.selenium.server.RemoteControlConfiguration;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Logger;
//EB - Why doesn't this class extend AbstractBrowserLauncher
//DGF - because it would override every method of ABL.
public class HTABrowserLauncher implements BrowserLauncher {
static Logger log = Logger.getLogger(HTABrowserLauncher.class.getName());
private String sessionId;
private File dir;
private String htaCommandPath;
private WindowsProcessGroup htaProcess;
private WindowsProcessGroup iexploreProcess;
private RemoteControlConfiguration configuration;
private Capabilities browserOptions;
public HTABrowserLauncher(Capabilities browserOptions, RemoteControlConfiguration configuration,
String sessionId, String browserLaunchLocation) {
if (browserLaunchLocation == null) {
browserLaunchLocation = findHTALaunchLocation();
}
htaCommandPath = browserLaunchLocation;
this.sessionId = sessionId;
this.configuration = configuration;
this.browserOptions = configuration.copySettingsIntoBrowserOptions(browserOptions);
}
private static String findHTALaunchLocation() {
String defaultPath = System.getProperty("mshtaDefaultPath");
if (defaultPath == null) {
defaultPath = WindowsUtils.findSystemRoot() + "\\system32\\mshta.exe";
}
File defaultLocation = new File(defaultPath);
if (defaultLocation.exists()) {
return defaultLocation.getAbsolutePath();
}
String mshtaEXE = CommandLine.find("mshta.exe");
if (mshtaEXE != null) return mshtaEXE;
throw new RuntimeException("MSHTA.exe couldn't be found in the path!\n" +
"Please add the directory containing mshta.exe to your PATH environment\n" +
"variable, or explicitly specify a path to mshta.exe like this:\n" +
"*mshta c:\\blah\\mshta.exe");
}
private void launch(String url, String htaName) {
String query = LauncherUtils.getQueryString(url);
query += "&baseUrl=http://localhost:" + getPort() + "/selenium-server/";
createHTAFiles();
String hta = (new File(dir, "core/" + htaName)).getAbsolutePath();
log.info("Launching Embedded Internet Explorer...");
iexploreProcess = new WindowsProcessGroup(
new InternetExplorerLocator().findBrowserLocationOrFail().launcherFilePath(),
"-Embedding");
iexploreProcess.executeAsync();
log.info("Launching Internet Explorer HTA...");
htaProcess = new WindowsProcessGroup(htaCommandPath, hta, query);
htaProcess.executeAsync();
}
private void createHTAFiles() {
dir = LauncherUtils.createCustomProfileDir(sessionId);
File coreDir = new File(dir, "core");
try {
coreDir.mkdirs();
ResourceExtractor.extractResourcePath(HTABrowserLauncher.class, "/core", coreDir);
File selRunnerSrc = new File(coreDir, "RemoteRunner.html");
File selRunnerDest = new File(coreDir, "RemoteRunner.hta");
File testRunnerSrc = new File(coreDir, "TestRunner.html");
File testRunnerDest = new File(coreDir, "TestRunner.hta");
// custom user-extensions
File userExt = this.configuration.getUserExtensions();
if (userExt != null) {
File selUserExt = new File(coreDir, "scripts/user-extensions.js");
FileHandler.copy(userExt, selUserExt);
}
FileHandler.copy(selRunnerSrc, selRunnerDest);
FileHandler.copy(testRunnerSrc, testRunnerDest);
writeSessionExtensionJs(coreDir);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Writes the session extension javascript to the custom profile directory. The request for it
* does not pass through the Selenium server in HTA mode, thus the specialized extension js
* resource handler is of no use.
*
* @param coreDir to the core
* @throws IOException
*/
private void writeSessionExtensionJs(File coreDir) throws IOException {
FrameGroupCommandQueueSet queueSet =
FrameGroupCommandQueueSet.getQueueSet(sessionId);
if (queueSet.getExtensionJs().length() > 0) {
String path = "scripts/user-extensions.js[" + sessionId + "]";
FileWriter fileWriter = null;
BufferedWriter writer = null;
try {
fileWriter = new FileWriter(new File(coreDir, path));
writer = new BufferedWriter(fileWriter);
writer.write(queueSet.getExtensionJs());
} finally {
if (writer != null) {
writer.close();
}
if (fileWriter != null) {
fileWriter.close();
}
}
fileWriter.close();
}
}
public void close() {
if (browserOptions.is("killProcessesByName")) {
WindowsUtils.tryToKillByName("iexplore.exe");
}
if (browserOptions.is("killProcessesByName")) {
WindowsUtils.tryToKillByName("mshta.exe");
}
if (iexploreProcess != null) {
int exitValue = iexploreProcess.destroy();
if (exitValue == 0) {
log.warning("Embedded iexplore seems to have ended on its own (did we kill the real browser???)");
}
}
if (htaProcess == null) return;
htaProcess.destroy();
FileHandler.delete(dir);
}
public void launchHTMLSuite(String suiteUrl, String browserURL) {
launch(
LauncherUtils.getDefaultHTMLSuiteUrl(browserURL, suiteUrl,
(!BrowserOptions.isSingleWindow(browserOptions)), getPort()), "TestRunner.hta");
}
private int getPort() {
return configuration.getPortDriversShouldContact();
}
public void launchRemoteSession(String url) {
launch(
LauncherUtils.getDefaultRemoteSessionUrl(url, sessionId,
(!BrowserOptions.isSingleWindow(browserOptions)), getPort(),
browserOptions.is("browserSideLog")), "RemoteRunner.hta");
}
}
