public async Task <byte[]> ScreenshotPNG(string url, IEnumerable <CookieParam> cookies, ViewPortOptions viewport, ScreenshotOptions options, RevisionInfo revision)
{
LaunchOptions launchOptions = new LaunchOptions()
{
ExecutablePath = revision.ExecutablePath,
Args = BrowserArgs,
Headless = true,
DefaultViewport = viewport,
Timeout = 0
};
browser = await Puppeteer.LaunchAsync(launchOptions);
try {
var page = await browser.NewPageAsync();
try {
NavigationOptions navigationOptions = new NavigationOptions()
{
Timeout = 0
};
string originalUserAgent = await browser.GetUserAgentAsync();
await page.SetUserAgentAsync($"{originalUserAgent} {USER_AGENT_SUFFIX}");
if (cookies.Any())
{
await page.SetCookieAsync(cookies.ToArray());
}
await page.GoToAsync(url, navigationOptions);
return(await page.ScreenshotDataAsync(options));
} finally {
await Cleanup(page);
}
} finally {
Cleanup(browser);
}
}
public async Task <byte[]> PrintPDF(string url, IEnumerable <CookieParam> cookies, ViewPortOptions viewport, PdfOptions options, RevisionInfo revision)
{
LaunchOptions launchOptions = new LaunchOptions()
{
ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe",
Args = BrowserArgs,
Headless = true,
DefaultViewport = viewport,
Timeout = 0
};
browser = await Puppeteer.LaunchAsync(launchOptions);
try {
var page = await browser.NewPageAsync();
try {
WaitUntilNavigation[] waitUntilNavigations = { WaitUntilNavigation.Networkidle0 };
NavigationOptions navigationOptions = new NavigationOptions()
{
Timeout = 0,
WaitUntil = waitUntilNavigations
};
string originalUserAgent = await browser.GetUserAgentAsync();
await page.SetUserAgentAsync($"{originalUserAgent} {USER_AGENT_SUFFIX}");
if (cookies.Any())
{
await page.SetCookieAsync(cookies.ToArray());
}
await page.GoToAsync(url, navigationOptions);
await InjectCustomStylesAsync(page, ref options);
bool hasPageNumbers = await page.EvaluateFunctionAsync <bool>("(window.UltimatePDF? window.UltimatePDF.hasPageNumbers : function() { return false; })");
if (hasPageNumbers)
{
/*
* When the layout has page numbers, we first retrieve a
* first blank pdf to calculate the number of pages.
* Then, knowing how many pages, we can layout the headers and footers,
* and retrieve the final pdf.
*/
byte[] blankContents = await page.PdfDataAsync(options);
using (var blankPdf = new PDFUtils(blankContents)) {
await page.EvaluateFunctionAsync("window.UltimatePDF.layoutPages", blankPdf.Pages);
return(await page.PdfDataAsync(options));
}
}
else
{
return(await page.PdfDataAsync(options));
}
} finally {
await Cleanup(page);
}
} finally {
Cleanup(browser);
}
}