how to do this curl operation in Node.js using request library

Question

How can I convert this curl operation using request Node.js library:

curl -L -X GET -H "Content-Type:application/json" -H "Authorization: authorization..." -H "Scope: 11111111" https://url/download >> file.gz

    /*the -L is curl option which means --location      Follow redirects (H)
         --location-trusted  Like '--location', and send auth to other hosts (H)*/

Stretch0 · Accepted Answer · 2018-04-11 14:34:36Z

1

If you just want to download to a file, you can use a head request type.

The request will look like so:

request.head({
    url: "https://url/download",
    followAllRedirects: true,
    headers: {
    'Content-Type': 'application/json',
    'Authorization':'authorization...',
    'Scope': '11111111'
  }
}, (err, res, body) => {
  request('https://url/download')
    .pipe(fs.createWriteStream(`tmp/${res.path}`)).on('close', (data, err) => {
            if(err) console.log(`Unable to write to file ${err}`)
            console.log('Done')
    })
})

I have used a similar snippet which worked well

Use Postmans code generator

Click code on the top left
Paste your curl request
Select Node.js Request from dropdown on top left of popup
You should then get JS snippet converted from your working cURL request

edited Apr 11, 2018 at 14:34

answered Apr 11, 2018 at 9:09

Stretch0

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6 Comments

bams Over a year ago

Thank you for your answer, but I get a file which contains 401 Unauthorized. I think I need the equivalent of -L of curl option because it works perfectly with the curl command but not with the request.

Stretch0 Over a year ago

Have updated my answer and added option for followAllRedirects = true. Give that whirl

bams Over a year ago

I still got the same error the res.path returns undefined and a file which contains <title>401 Unauthorized</title>... even if as I said it works perfectly with curl

Stretch0 Over a year ago

Have you got postman? You can paste your curl request in the code snippet generator and then select Node.js Request from the drop down in the top left of the popup and it should create a javascript snippet for you.

bams Over a year ago

Thank you, but even with postman's snippet it didn't work so strange but I found the solution which is request inside request.

|

bams · Accepted Answer · 2018-04-12 11:55:59Z

0

Here is the solution we have to put request inside another because: so the first request returns the url and the second one will download the file

const options = {
  url: url,
  headers: {
    Authorization: `auth`,
    'scope': profileId,
    'content-type': 'application/json'
  },
};
const r = request.get(options, async (err, res, body) => {
    const fileStream = fs.createWriteStream(`${path}.gz`);
    request(res.request.uri.href).pipe(fileStream);
    // path exists unless there was an error
  });

answered Apr 12, 2018 at 11:55

bams

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