private static string ResolveExecutablePath()
{
var executablePath = Environment.GetEnvironmentVariable("PUPPETEER_EXECUTABLE_PATH");
if (!string.IsNullOrEmpty(executablePath))
{
if (!File.Exists(executablePath))
{
throw new FileNotFoundException("Tried to use PUPPETEER_EXECUTABLE_PATH env variable to launch browser but did not find any executable", executablePath);
}
return(executablePath);
}
var browserFetcher = new BrowserFetcher();
var revision = Environment.GetEnvironmentVariable("PUPPETEER_CHROMIUM_REVISION");
RevisionInfo revisionInfo;
if (!string.IsNullOrEmpty(revision) && int.TryParse(revision, out var revisionNumber))
{
revisionInfo = browserFetcher.RevisionInfo(revisionNumber);
if (!revisionInfo.Local)
{
throw new FileNotFoundException("Tried to use PUPPETEER_CHROMIUM_REVISION env variable to launch browser but did not find executable", revisionInfo.ExecutablePath);
}
return(revisionInfo.ExecutablePath);
}
revisionInfo = browserFetcher.RevisionInfo(BrowserFetcher.DefaultRevision);
if (!revisionInfo.Local)
{
throw new FileNotFoundException("Chromium revision is not downloaded. Run BrowserFetcher.DownloadAsync or download Chromium manually", revisionInfo.ExecutablePath);
}
return(revisionInfo.ExecutablePath);
}
internal static string[] GetDefaultArgs(LaunchOptions options)
{
var chromeArguments = new List <string>(DefaultArgs);
if (!string.IsNullOrEmpty(options.UserDataDir))
{
chromeArguments.Add($"{UserDataDirArgument}={options.UserDataDir.Quote()}");
}
if (options.Devtools)
{
chromeArguments.Add("--auto-open-devtools-for-tabs");
}
if (options.Headless)
{
chromeArguments.AddRange(new[] {
"--headless",
"--hide-scrollbars",
"--mute-audio"
});
if (BrowserFetcher.GetCurrentPlatform() == Platform.Win32)
{
chromeArguments.Add("--disable-gpu");
}
}
if (options.Args.All(arg => arg.StartsWith("-", StringComparison.Ordinal)))
{
chromeArguments.Add("about:blank");
}
chromeArguments.AddRange(options.Args);
return(chromeArguments.ToArray());
}
private async Task <string> ResolveExecutablePathAsync()
{
var executablePath = Environment.GetEnvironmentVariable("PUPPETEER_EXECUTABLE_PATH");
if (!string.IsNullOrEmpty(executablePath))
{
if (!File.Exists(executablePath))
{
throw new FileNotFoundException("Tried to use PUPPETEER_EXECUTABLE_PATH env variable to launch browser but did not find any executable", executablePath);
}
return(executablePath);
}
var revision = Environment.GetEnvironmentVariable("PUPPETEER_CHROMIUM_REVISION");
using var browserFetcher = new BrowserFetcher(_product);
RevisionInfo revisionInfo;
if (!string.IsNullOrEmpty(revision))
{
revisionInfo = browserFetcher.RevisionInfo(revision);
if (!revisionInfo.Local)
{
throw new FileNotFoundException("Tried to use PUPPETEER_CHROMIUM_REVISION env variable to launch browser but did not find executable", revisionInfo.ExecutablePath);
}
return(revisionInfo.ExecutablePath);
}
revisionInfo = await browserFetcher.GetRevisionInfoAsync().ConfigureAwait(false);
if (!revisionInfo.Local)
{
throw new FileNotFoundException("Process revision is not downloaded. Run BrowserFetcher.DownloadAsync or download the process manually", revisionInfo.ExecutablePath);
}
return(revisionInfo.ExecutablePath);
}
/// <summary>
/// The method launches a browser instance with given arguments. The browser will be closed when the Browser is disposed.
/// </summary>
/// <param name="options">Options for launching Chrome</param>
/// <returns>A connected browser.</returns>
/// <remarks>
/// See <a href="https://www.howtogeek.com/202825/what%E2%80%99s-the-difference-between-chromium-and-chrome/">this article</a>
/// for a description of the differences between Chromium and Chrome.
/// <a href="https://chromium.googlesource.com/chromium/src/+/lkcr/docs/chromium_browser_vs_google_chrome.md">This article</a> describes some differences for Linux users.
/// </remarks>
public async Task <Browser> LaunchAsync(LaunchOptions options)
{
if (_chromiumLaunched)
{
throw new InvalidOperationException("Unable to create or connect to another chromium process");
}
_chromiumLaunched = true;
var chromeArguments = InitChromeArgument(options);
var chromeExecutable = options.ExecutablePath;
if (string.IsNullOrEmpty(chromeExecutable))
{
var browserFetcher = new BrowserFetcher();
chromeExecutable = browserFetcher.RevisionInfo(BrowserFetcher.DefaultRevision).ExecutablePath;
}
if (!File.Exists(chromeExecutable))
{
throw new FileNotFoundException("Failed to launch chrome! path to executable does not exist", chromeExecutable);
}
_chromeProcess = CreateChromeProcess(options, chromeArguments, chromeExecutable);
try
{
var connectionDelay = options.SlowMo;
var browserWSEndpoint = await WaitForEndpoint(_chromeProcess, options.Timeout).ConfigureAwait(false);
try
{
var keepAliveInterval = 0;
_connection = await Connection
.Create(browserWSEndpoint, connectionDelay, keepAliveInterval, _loggerFactory)
.ConfigureAwait(false);
var browser = await Browser.CreateAsync(
_connection,
Array.Empty <string>(),
options.IgnoreHTTPSErrors,
!options.AppMode,
_chromeProcess,
GracefullyCloseChrome
)
.ConfigureAwait(false);
await EnsureInitialPageAsync(browser).ConfigureAwait(false);
return(browser);
}
catch (Exception ex)
{
throw new ChromeProcessException("Failed to create connection", ex);
}
}
catch
{
KillChrome();
await _chromeCloseTcs.Task.ConfigureAwait(false);
throw;
}
}
static async System.Threading.Tasks.Task StartWebBrowser()
{
var browserRevision = PuppeteerSharp.BrowserFetcher.DefaultChromiumRevision;
var browserFetcher = new PuppeteerSharp.BrowserFetcher(new PuppeteerSharp.BrowserFetcherOptions
{
Path = BrowserDownloadDirPath()
});
await browserFetcher.DownloadAsync(browserRevision);
browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions
{
Headless = false,
UserDataDir = UserDataDirPath("default"),
DefaultViewport = null,
ExecutablePath = browserFetcher.RevisionInfo(browserRevision).ExecutablePath,
});
browserPage = (await browser.PagesAsync()).FirstOrDefault() ?? await browser.NewPageAsync();
await browserPage.ExposeFunctionAsync("____callback____", (string returnValue) =>
{
callbackFromBrowserDelegate?.Invoke(returnValue);
return(0);
});
}
/// <summary>
/// The method launches a browser instance with given arguments. The browser will be closed when the Browser is disposed.
/// </summary>
/// <param name="options">Options for launching Chrome</param>
/// <returns>A connected browser.</returns>
/// <remarks>
/// See <a href="https://www.howtogeek.com/202825/what%E2%80%99s-the-difference-between-chromium-and-chrome/">this article</a>
/// for a description of the differences between Chromium and Chrome.
/// <a href="https://chromium.googlesource.com/chromium/src/+/lkcr/docs/chromium_browser_vs_google_chrome.md">This article</a> describes some differences for Linux users.
/// </remarks>
public async Task <Browser> LaunchAsync(LaunchOptions options)
{
if (_chromiumLaunched)
{
throw new InvalidOperationException("Unable to create or connect to another chromium process");
}
_chromiumLaunched = true;
var chromeArguments = InitChromeArgument(options);
var chromeExecutable = options.ExecutablePath;
if (string.IsNullOrEmpty(chromeExecutable))
{
var browserFetcher = new BrowserFetcher();
chromeExecutable = browserFetcher.RevisionInfo(BrowserFetcher.DefaultRevision).ExecutablePath;
}
if (!File.Exists(chromeExecutable))
{
throw new FileNotFoundException("Failed to launch chrome! path to executable does not exist", chromeExecutable);
}
CreateChromeProcess(options, chromeArguments, chromeExecutable);
try
{
var connectionDelay = options.SlowMo;
var browserWSEndpoint = await WaitForEndpoint(_chromeProcess, options.Timeout, options.DumpIO);
var keepAliveInterval = options.KeepAliveInterval;
_connection = await Connection.Create(browserWSEndpoint, connectionDelay, keepAliveInterval, _loggerFactory);
_processLoaded = true;
if (options.LogProcess)
{
_logger.LogInformation("Process Count: {ProcessCount}", Interlocked.Increment(ref _processCount));
}
return(await Browser.CreateAsync(_connection, options, _chromeProcess, KillChrome));
}
catch (Exception ex)
{
ForceKillChrome();
throw new ChromeProcessException("Failed to create connection", ex);
}
}
private static string GetOrFetchChromeExecutable(LaunchOptions options)
{
var chromeExecutable = options.ExecutablePath;
if (string.IsNullOrEmpty(chromeExecutable))
{
var browserFetcher = new BrowserFetcher();
chromeExecutable = browserFetcher.RevisionInfo(BrowserFetcher.DefaultRevision).ExecutablePath;
}
if (!File.Exists(chromeExecutable))
{
throw new FileNotFoundException("Failed to launch chrome! path to executable does not exist", chromeExecutable);
}
return(chromeExecutable);
}
public static async Task Main(string[] args)
{
var currentDirectory = Directory.GetCurrentDirectory();
var downloadPath = Path.Combine(currentDirectory, "CustomChromium");
Console.WriteLine($"Attemping to set up puppeteer to use Chromium found under directory {downloadPath} ");
if (!Directory.Exists(downloadPath))
{
Console.WriteLine("Custom directory not found. Creating directory");
Directory.CreateDirectory(downloadPath);
}
Console.WriteLine("Downloading Chromium...");
var browserFetcherOptions = new BrowserFetcherOptions {
Path = downloadPath
};
var browserFetcher = new BrowserFetcher(browserFetcherOptions);
await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);
var executablePath = browserFetcher.GetExecutablePath(BrowserFetcher.DefaultRevision);
if (string.IsNullOrEmpty(executablePath))
{
Console.WriteLine("Custom Chromium location is empty. Unable to start Chromium. Exiting.\n Press any key to continue");
Console.ReadLine();
return;
}
Console.WriteLine($"Attemping to start Chromium using executable path: {executablePath}");
var options = new LaunchOptions {
Headless = true, ExecutablePath = executablePath
};
using (var browser = await Puppeteer.LaunchAsync(options))
using (var page = await browser.NewPageAsync())
{
await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
await page.SetViewportAsync(new ViewPortOptions { Width = 1920, Height = 1080 });
var waitUntil = new NavigationOptions {
Timeout = 0, WaitUntil = new[] { WaitUntilNavigation.Networkidle0 }
};
string url = "https://github.com/puppeteer/puppeteer/issues/1345";
await page.GoToAsync(url, waitUntil);
#region Screenshot Dashboard:
var optionsScreenShot = new ScreenshotOptions {
FullPage = true
};
//Đường dẫn lưu file
var savePath = Path.Combine(currentDirectory, "Capture");
if (!Directory.Exists(savePath))
{
Console.WriteLine("SavePath directory not found. Creating directory");
Directory.CreateDirectory(savePath);
}
string date = DateTime.Now.ToString("yyyyMMddHHmmss");
var outputfile = savePath + "/capture_" + date + ".png";
await page.ScreenshotAsync(outputfile, optionsScreenShot);
Console.WriteLine("Capture completed! Path: " + outputfile, ConsoleColor.Green);
#endregion
await page.CloseAsync();
}
return;
}
