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Automated driver management and other helper features for Selenium
WebDriver in Java
/*
* (C) Copyright 2020 Boni Garcia (https://bonigarcia.github.io/)
*
* 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..
*
*/
package io.github.bonigarcia.wdm.versions;
import static io.github.bonigarcia.wdm.WebDriverManager.loadXML;
import static io.github.bonigarcia.wdm.config.Config.isNullOrEmpty;
import static io.github.bonigarcia.wdm.managers.ChromeDriverManager.MIN_CHROMEDRIVER_IN_CFT;
import static io.github.bonigarcia.wdm.versions.Shell.runAndWait;
import static java.lang.invoke.MethodHandles.lookup;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Locale.ROOT;
import static java.util.Optional.empty;
import static java.util.stream.Collectors.toList;
import static org.slf4j.LoggerFactory.getLogger;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Properties;
import java.util.stream.Collectors;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.w3c.dom.Document;
import io.github.bonigarcia.wdm.config.Config;
import io.github.bonigarcia.wdm.config.OperatingSystem;
import io.github.bonigarcia.wdm.online.GoodVersions;
import io.github.bonigarcia.wdm.online.GoodVersions.Versions;
import io.github.bonigarcia.wdm.online.HttpClient;
import io.github.bonigarcia.wdm.online.LastGoodVersions;
import io.github.bonigarcia.wdm.online.Parser;
/**
* Driver and browser version detector.
*
* @author Boni Garcia
* @since 4.0.0
*/
public class VersionDetector {
static final String ONLINE = "online";
static final String LOCAL = "local";
static final String VERSIONS_PROPERTIES = "versions.properties";
static final String COMMANDS_PROPERTIES = "commands.properties";
static final String FILE_PROTOCOL = "file";
static final String CFT_URL = "https://googlechromelabs.github.io/chrome-for-testing/";
final Logger log = getLogger(lookup().lookupClass());
Config config;
HttpClient httpClient;
Map propertiesMap;
boolean isSnap;
public VersionDetector(Config config, HttpClient httpClient) {
this.config = config;
this.httpClient = httpClient;
propertiesMap = new HashMap<>();
}
public Optional getDriverVersionFromProperties(String key) {
// Chromium values are the same than Chrome
if (key.contains("chromium")) {
key = key.replace("chromium", "chrome");
}
boolean online = config.isVersionsPropertiesOnlineFirst();
String propertiesName = VERSIONS_PROPERTIES;
String onlineMessage = online ? ONLINE : LOCAL;
log.debug("Getting driver version for {} from {} {}", key,
onlineMessage, propertiesName);
String value = getValueFromProperties(
getProperties(propertiesName, online), key);
if (value == null) {
String notOnlineMessage = online ? LOCAL : ONLINE;
log.debug("Driver for {} not found in {} properties (using {} {})",
key, onlineMessage, notOnlineMessage, propertiesName);
propertiesMap.remove(propertiesName);
value = getProperties(propertiesName, !online).getProperty(key);
}
return value == null ? empty() : Optional.of(value);
}
public String getValueFromProperties(Properties properties, String key) {
String keyWithOs = key + "." + config.getOperatingSystem().getName();
return Optional.ofNullable(properties.getProperty(keyWithOs))
.orElse(properties.getProperty(key));
}
public Optional getDriverVersionFromRepository(
Optional driverVersion, URL driverUrl,
Charset versionCharset, String driverName, String versionLabel,
String latestLabel, Optional optOsLabel) {
if (driverName.equalsIgnoreCase("chromedriver")) {
String cftUrl = null;
try {
if (driverVersion.isPresent() && Integer.parseInt(
driverVersion.get()) >= MIN_CHROMEDRIVER_IN_CFT) {
// Parse JSON using GoodVersions
cftUrl = config.getChromeGoodVersionsUrl();
GoodVersions versions = Parser.parseJson(httpClient, cftUrl,
GoodVersions.class);
List fileteredList = versions.versions.stream()
.filter(v -> v.version
.startsWith(driverVersion.get()))
.collect(toList());
return Optional.of(fileteredList
.get(fileteredList.size() - 1).version);
} else if (!driverVersion.isPresent()) {
// Parse JSON using LastGoodVersions
cftUrl = config.getChromeLastGoodVersionsUrl();
LastGoodVersions versions = Parser.parseJson(httpClient,
cftUrl, LastGoodVersions.class);
return Optional.of(versions.channels.stable.version);
}
} catch (Exception e) {
log.warn(
"Exception reading CfT URL ('{}') to get version of {} ({})",
cftUrl, driverName, e.getMessage());
try {
driverUrl = new URL(CFT_URL);
} catch (MalformedURLException e1) {
log.error("Exception creating CfT URL {}: {}", CFT_URL,
e.getMessage());
}
if (!driverVersion.isPresent()) {
versionLabel += "_STABLE";
}
}
}
String osLabel = optOsLabel.isPresent() ? optOsLabel.get() : "";
String url = driverVersion.isPresent()
? driverUrl + latestLabel + "_" + driverVersion.get() + osLabel
: driverUrl + versionLabel;
Optional result = Optional.empty();
try (InputStream response = httpClient
.execute(httpClient.createHttpGet(new URL(url))).getEntity()
.getContent()) {
result = Optional.of(IOUtils.toString(response, versionCharset)
.replace("\r\n", ""));
} catch (Exception e) {
log.warn("Exception reading {} to get latest version of {} ({})",
url, driverName, e.getMessage());
}
if (result.isPresent()) {
log.debug("Latest version of {} according to {} is {}", driverName,
url, result.get());
}
return result;
}
public Optional getBrowserPath(String browserName) {
log.debug("Detecting {} path using the commands database", browserName);
String pathStr = "";
Properties commandsProperties = getProperties(COMMANDS_PROPERTIES,
config.isCommandsPropertiesOnlineFirst());
List commandsPerOs = getCommandsList(browserName,
commandsProperties);
for (String commandKey : commandsPerOs) {
String command = commandsProperties.get(commandKey).toString();
int lastSpaceIndex = command.lastIndexOf(" ");
String firstCommand = command;
if (lastSpaceIndex != -1) {
firstCommand = command.substring(0, lastSpaceIndex);
}
OperatingSystem operatingSystem = config.getOperatingSystem();
switch (operatingSystem) {
case WIN:
if (command.toLowerCase(ROOT).contains("wmic")) {
File wmicLocation = findFileLocation("wmic.exe");
String newCommand = command.replace("Version", "Caption");
String captionOutput = runAndWait(wmicLocation,
newCommand.split(" "));
int iCaption = captionOutput.indexOf("=");
if (iCaption != -1) {
pathStr = captionOutput.substring(iCaption + 1);
}
}
break;
case MAC:
case LINUX:
default:
if (firstCommand.contains("/")) {
pathStr = firstCommand;
} else {
String[] commandArray = new String[] { "bash", "-c",
"type -p " + firstCommand };
pathStr = runAndWait(commandArray);
}
break;
}
Path path = Paths.get(pathStr);
if (!isNullOrEmpty(pathStr) && Files.exists(path)) {
log.debug("The path of {} is {}", browserName, pathStr);
return Optional.of(path);
}
}
log.info("Browser {} is not available in the system", browserName);
return empty();
}
public Optional getBrowserVersionFromTheShell(String browserName) {
Optional browserVersionUsingProperties = empty();
String browserVersionDetectionCommand = config
.getBrowserVersionDetectionCommand();
if (!isNullOrEmpty(browserVersionDetectionCommand)) {
browserVersionUsingProperties = getBrowserVersionUsingCommand(
browserVersionDetectionCommand);
}
if (browserVersionUsingProperties.isPresent()) {
return browserVersionUsingProperties;
}
boolean online = config.isCommandsPropertiesOnlineFirst();
String propertiesName = COMMANDS_PROPERTIES;
Properties commandsProperties = getProperties(propertiesName, online);
String onlineMessage = online ? ONLINE : LOCAL;
log.debug("Detecting {} version using {} {}", browserName,
onlineMessage, propertiesName);
browserVersionUsingProperties = getBrowserVersionUsingProperties(
browserName, commandsProperties);
if (!browserVersionUsingProperties.isPresent()) {
String notOnlineMessage = online ? LOCAL : ONLINE;
log.debug(
"Browser version for {} not detected using {} properties (using {} {})",
browserName, onlineMessage, notOnlineMessage,
propertiesName);
commandsProperties = getProperties(propertiesName, !online);
browserVersionUsingProperties = getBrowserVersionUsingProperties(
browserName, commandsProperties);
}
return browserVersionUsingProperties;
}
protected Optional getBrowserVersionUsingProperties(
String browserName, Properties commandsProperties) {
List commandsPerOs = getCommandsList(browserName,
commandsProperties);
for (String commandKey : commandsPerOs) {
String command = commandsProperties.get(commandKey).toString();
Optional browserVersionUsingCommand = getBrowserVersionUsingCommand(
command);
if (browserVersionUsingCommand.isPresent()) {
return browserVersionUsingCommand;
}
}
return empty();
}
protected List getCommandsList(String browserName,
Properties commandsProperties) {
OperatingSystem operatingSystem = config.getOperatingSystem();
return Collections.list(commandsProperties.keys()).stream()
.map(Object::toString).filter(s -> s.contains(browserName))
.filter(operatingSystem::matchOs).sorted()
.collect(Collectors.toList());
}
protected Optional getBrowserVersionUsingCommand(String command) {
String commandLowerCase = command.toLowerCase(ROOT);
boolean isWmic = commandLowerCase.contains("wmic");
boolean isRegQuery = commandLowerCase.contains("reg query");
int lastSpaceIndex = command.lastIndexOf(" ");
String[] commandArray;
if (!isWmic && !isRegQuery && lastSpaceIndex != -1) {
// For non-windows (wmic or reg query), the command is splitted into
// two parts: {"browserPath", "--version"}
commandArray = new String[] { command.substring(0, lastSpaceIndex),
command.substring(lastSpaceIndex + 1) };
} else {
commandArray = command.split(" ");
}
String browserVersionOutput;
if (isWmic) {
File wmicLocation = findFileLocation("wmic.exe");
browserVersionOutput = runAndWait(wmicLocation, commandArray);
} else {
browserVersionOutput = runAndWait(commandArray);
}
if (!isNullOrEmpty(browserVersionOutput)) {
if (browserVersionOutput.toLowerCase(ROOT).contains("snap")) {
isSnap = true;
}
String parsedBrowserVersion = browserVersionOutput
.replaceAll(config.getBrowserVersionDetectionRegex(), "");
log.trace("Detected browser version is {}", parsedBrowserVersion);
return Optional.of(getMajorVersion(parsedBrowserVersion));
} else {
return empty();
}
}
protected Properties getProperties(String propertiesName, boolean online) {
if (propertiesMap.containsKey(propertiesName)) {
log.trace("Already created {}", propertiesName);
return propertiesMap.get(propertiesName);
} else {
Properties properties = null;
try (InputStream inputStream = getVersionsInputStream(
propertiesName, online)) {
properties = new Properties();
properties.load(new StringReader(IOUtils
.toString(inputStream, UTF_8).replace("\\", "\\\\")));
propertiesMap.put(propertiesName, properties);
} catch (Exception e) {
throw new IllegalStateException("Cannot read " + propertiesName,
e);
}
return properties;
}
}
protected InputStream getVersionsInputStream(String propertiesName,
boolean online) throws IOException {
String onlineMessage = online ? ONLINE : LOCAL;
log.trace("Reading {} {} to find out driver version", onlineMessage,
propertiesName);
InputStream inputStream;
try {
if (online) {
inputStream = getOnlineInputStream(propertiesName);
} else {
inputStream = getLocalInputStream(propertiesName);
}
} catch (Exception e) {
String exceptionMessage = online ? LOCAL : ONLINE;
log.warn("Error reading {}, using {} instead", propertiesName,
exceptionMessage);
if (online) {
inputStream = getLocalInputStream(propertiesName);
} else {
inputStream = getOnlineInputStream(propertiesName);
}
}
return inputStream;
}
protected InputStream getLocalInputStream(String propertiesName) {
InputStream inputStream;
inputStream = Config.class.getResourceAsStream("/" + propertiesName);
return inputStream;
}
protected InputStream getOnlineInputStream(String propertiesName)
throws IOException {
URL propertiesUrl = propertiesName.equals(VERSIONS_PROPERTIES)
? config.getVersionsPropertiesUrl()
: config.getCommandsPropertiesUrl();
InputStream inputStream;
if (propertiesUrl.getProtocol().equalsIgnoreCase(FILE_PROTOCOL)) {
inputStream = new FileInputStream(
new File(propertiesUrl.getFile()));
} else {
inputStream = httpClient
.execute(httpClient.createHttpGet(propertiesUrl))
.getEntity().getContent();
}
return inputStream;
}
public static String getMajorVersion(String version) {
if (version != null) {
int i = version.indexOf('.');
return i != -1 ? version.substring(0, i) : version;
} else {
return "0";
}
}
protected File findFileLocation(String filename) {
// Alternative #1: in System32 folder
File system32Folder = new File(System.getenv("SystemRoot"), "System32");
File system32File = new File(system32Folder, filename);
if (checkFileAndFolder(system32Folder, system32File)) {
return system32Folder;
}
// Alternative #2: in wbem folder
File wbemFolder = new File(system32Folder, "wbem");
File wbemFile = new File(wbemFolder, filename);
if (checkFileAndFolder(wbemFolder, wbemFile)) {
return wbemFolder;
}
return new File(".");
}
protected boolean checkFileAndFolder(File folder, File file) {
return folder.exists() && folder.isDirectory() && file.exists()
&& file.isFile();
}
public boolean isSnap() {
return isSnap;
}
public static final Optional getWdmVersion(Class clazz) {
try {
String className = clazz.getName();
String classfileName = "/" + className.replace('.', '/') + ".class";
URL classfileResource = clazz.getResource(classfileName);
if (classfileResource != null) {
Path absolutePackagePath = Paths.get(classfileResource.toURI())
.getParent();
int packagePathSegments = className.length()
- className.replace(".", "").length();
Path path = absolutePackagePath;
for (int i = 0, segmentsToRemove = packagePathSegments
+ 2; i < segmentsToRemove; i++) {
path = path.getParent();
}
Path pom = path.resolve("pom.xml");
try (InputStream is = Files.newInputStream(pom)) {
Document doc = loadXML(is);
doc.getDocumentElement().normalize();
String version = (String) XPathFactory.newInstance()
.newXPath().compile("/project/version")
.evaluate(doc, XPathConstants.STRING);
if (version != null) {
version = version.trim();
if (!version.isEmpty()) {
return Optional.of(version);
}
}
}
}
} catch (Exception e) {
// Ignore
}
try (InputStream is = clazz.getResourceAsStream(
"/META-INF/maven/io.github.bonigarcia/webdrivermanager/pom.properties")) {
if (is != null) {
Properties p = new Properties();
p.load(is);
String version = p.getProperty("version", "").trim();
if (!version.isEmpty()) {
return Optional.of(version);
}
}
} catch (Exception e) {
// Ignore
}
String version = null;
Package pkg = clazz.getPackage();
if (pkg != null) {
version = pkg.getImplementationVersion();
if (version == null) {
version = pkg.getSpecificationVersion();
}
}
version = version == null ? "" : version.trim();
return version.isEmpty() ? Optional.empty() : Optional.of(version);
}
}