// Protected members
protected override Uri GetWebDriverUri(IWebBrowserInfo webBrowserInfo, IHttpWebRequestFactory webRequestFactory)
{
Uri versionUri = new Uri("https://chromedriver.storage.googleapis.com/LATEST_RELEASE");
// If we can get the current version of Google Chrome, we can select an exact web driver version.
Version browserVersion = webBrowserInfo?.Version;
if (browserVersion is object)
{
versionUri = new Uri(versionUri.AbsoluteUri + $"_{browserVersion.Major}.{browserVersion.Minor}.{browserVersion.Build}");
}
using (IWebClient webClient = webRequestFactory.ToWebClientFactory().Create()) {
// Get the latest web driver version.
string latestVersionString = webClient.DownloadString(versionUri);
// Create a download URL for this version.
if (!string.IsNullOrWhiteSpace(latestVersionString))
{
Uri downloadUri = new Uri(versionUri, $"/{latestVersionString}/chromedriver_{GetPlatformOS()}.zip");
return(downloadUri);
}
}
// We weren't able to get information on the latest web driver.
return(null);
}
private bool DownloadWebDriver(IWebBrowserInfo webBrowserInfo, CancellationToken cancellationToken)
{
string webDriverExecutablePath = GetWebDriverExecutablePathInternal();
OnLog.Info("Getting web driver download url");
Uri webDriverDownloadUri = GetWebDriverUri(webBrowserInfo, webRequestFactory);
string downloadFilePath = PathUtilities.SetFileExtension(Path.GetTempFileName(), ".zip");
if (webDriverDownloadUri is object)
{
OnLog.Info($"Downloading {webDriverDownloadUri}");
using (IWebClient webClient = webRequestFactory.ToWebClientFactory().Create()) {
webClient.DownloadProgressChanged += (sender, e) => OnDownloadFileProgressChanged(this, new DownloadFileProgressChangedEventArgs(webDriverDownloadUri, downloadFilePath, e));
webClient.DownloadFileCompleted += (sender, e) => OnDownloadFileCompleted(this, new DownloadFileCompletedEventArgs(webDriverDownloadUri, downloadFilePath, e.Error is null));
webClient.DownloadFileSync(webDriverDownloadUri, downloadFilePath, cancellationToken);
}
try {
string filePathInArchive = PathUtilities.GetFilename(webDriverExecutablePath);
OnLog.Info($"Extracting {filePathInArchive}");
ArchiveUtilities.ExtractFile(downloadFilePath, filePathInArchive, webDriverExecutablePath);
}
catch (Exception ex) {
OnLog.Error(ex.ToString());
throw ex;
}
finally {
File.Delete(downloadFilePath);
}
// We were able to successfully update the web driver.
return(true);
}
// We were not able to successfully update the web driver.
return(false);
}
private IWebClient CreateWebClient()
{
return(webRequestFactory.ToWebClientFactory().Create());
}
public static IWebClient CreateWebClient(this IHttpWebRequestFactory webRequestFactory)
{
return(webRequestFactory.ToWebClientFactory().Create());
}
