6/23/2023 0 Comments Puppeteer headless download![]() If your needs to download a file are more simplistic, you can probably use the other methods mentioned on this thread, or the linked thread. Chrome defaults to downloading files in various places, depending on the operating system. The details of DownloadFileRequiringHeadersAndCookies are here. Var cookieContainer = new CookieContainer() ĬookieContainer.Add(new Cookie(cookie.Name, cookie.Value, cookie.Path, cookie.Domain)) Im able to run it with no problems while headless: false, but when headless:true, the file does not download. Populate the Cookie Container like this: private CookieContainer BuildCookieContainer(IEnumerable cookies) 1 Im running a script that logs into an authenticated session on a website and clicks a button to download an excel file. NEED THIS TIMEOUT TO KEEP THE BROWSER OPEN WHILE THE FILE IS DOWNLOADING!Īwait page.WaitForTimeoutAsync(1000 * configs.DownloadDurationEstimateInSeconds) Var cookieContainer = BuildCookieContainer(pageCookies) Īwait DownloadFileRequiringHeadersAndCookies(getUrl, fullPath, cookieContainer, cancellationToken) Īwait page.ClickAsync("button") Var pageCookies = await page.GetCookiesAsync() Add the cookies to a container for the upcoming Download GET request My Puppeteer script is running in headless mode and its timing out. If (contentType.Contains("application/vnd.ms-excel")) Handle the response with the Excel download Page.Response += async (sender, responseCreatedEventArgs) => ![]() ![]() Handle multiple responses and process the Download await using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions ))Īwait using (var page = await browser.NewPageAsync()) PUPPETEERSKIPCHROMIUMDOWNLOAD'true' will skip downloading the default version of Chromium when installing Puppeteer. ![]() Once I had that particular response, I had to attach headers and cookies for the remote server to send the downloadable data in the response. As of writing this comment, the latest version of Puppeteer is not compatible with chromium in Alpine linux. In essence, before the button click, I had to process multiple responses and handle a single response with the download. I needed both Headers and Cookies set before the download would start. I had a more difficult variation of this, using Puppeteer Sharp.
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