Pupeteer download file multiple

And extract the file from the file system into memory. We have to first find its name and then we can read it. To do this, in essence, we can trigger the file download, intercept the request going out and then replicate it to get the actual data. First we need to enable request interception. This is done using the following line of code:. More info on this in Puppeteer docs.

Next, we need to trigger the actual file export. We might need to fill in some form, select exported file type, etc. We don't need to await this promise since we'll be waiting for the result of this action anyway the triggered request. 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.

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. I needed to log into a website, and download some. Headed was fine, headless failed no matter what I tried. Looking at the Network errors, the download is aborted, but I couldn't quickly determine why.

So, I intercepted the requests and used node-fetch to make the request outside of puppeteer. This required copying the fetch options, body, headers and adding in the access cookie. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to download file with puppeteer using headless: true? Ask Question.

Asked 3 years, 8 months ago. Active 1 month ago. Viewed 45k times. Any idea whats wrong? Thanks in advance for your time and help,. Improve this question. Antonio Gomez Alvarado Antonio Gomez Alvarado 1, 2 2 gold badges 10 10 silver badges 21 21 bronze badges. Add a comment. Active Oldest Votes. Improve this answer. Justin Justin 1, 10 10 silver badges 23 23 bronze badges. I was having a problem downloading a large text file 70MB even with headless false. The page would never fully load.

Using fetch worked like a charm. Sumit Mishra Sumit Mishra 1 1 silver badge 3 3 bronze badges. This also doesnt require page. The problem is that the browser closes before download finished.

I just didn't like to load file contents into buffer. You can get the filesize and the name of the file from the response, and then use a watch script to check filesize from downloaded file, in order to close the browser. Even that the way of searching in response can be improved though I hope you'll find this usefull. Python Javascript Linux Cheat sheet Contact. How to download file with puppeteer using headless: true?

Tags: Node. Js Chromium Puppeteer.