Save images from browser

README.md

1. Save as HAR with content
2. Rename file to har.json
3. Download node script
4. Modify filter expression
5. Run node script.

script.js

var json = require('./har');
var fs = require('fs');
function write(filename, base64content) {
var fd, content;
try {
  fd = fs.openSync(filename, 'w');
  content = Buffer.from(base64content, 'base64');
  fs.writeFileSync(fd, content);
  console.log('written', filename)
} catch (err) {
console.log(err)
  /* Handle the error */
} finally {
  if (fd !== undefined)
    fs.closeSync(fd);
}

}


var entries = json.log.entries;
entries.forEach(entry => {
  var file = entry['response']['content'];
  var fileUrl = entry.request.url;
  if(file.mimeType=='image/jpeg') {
    var text = file.text;
    // modify match expression
    var match = fileUrl.match(/https:\/\/.*\/(.*\.jpg).*/)
    if(match) {
      var fileName = match[1];
        write('./' + fileName, text);
    }
  }
});