I am building a Google Chrome extension to visualize some data stored in a csv files. I know this exists already with the webrequest API .
The problem is that sometimes the file is generated by a php page and no webrequest is send.
I've looked at the download API that listens to downloads. I am now able to know when a download is done.
My question is:
Can I access to the content of a file that has been downloaded, or that is being downloaded?
.
Here is a code sample
chrome.downloads.onChanged.addListener(function(currentFile) {
console.log(currentFile)
// I would need to get the content of currentFile here.
});
It's not possible to get the contents of a downloaded file with a Chrome extension. It's not even possible to get access to such information through the webRequest
API (it's a popular feature request though).
Usually, if you want the response body, you have to send a new request to the server (and hope that Chrome is getting the data from the cache). This method is unfortunately not very practical for non-GET (eg POST) request. There is no general way to solve this problem.
If you wish to get access to the response body, you have to develop a solution specific to your application, eg something that intercepts all POST requests for a particular page, and send the data back to the user (in order to save the file).
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