Http request node - Authentication

i am not sure if it is possible to send authentication username and password to http-request node. So when I have more nodes of this type, if I can manage the username and password from a global variable for example. Thanks.

it is possible to include the username and password in the URL
The HTTP node extracts them and uses the with auth type (basic/digest) you set on node.

Alternatively, depending on the auth type, you can probably set the Authorization header yourself (either in the HTTP node edit dialog or via a change/function node before the HTP request.

basic auth example

const user = flow.get('user')
const pass = flow.get('pass')
msg.headers = msg.headers || {}
msg.headers.Authorization = "Basic " + Buffer.from(`${user}:${password}`).toString("base64");

Alternatively, you can use Env Vars for setting the username and password.

See Using environment variables : Node-RED

Here is an example of basic authorization in a change node.

[{"id":"bba0f53aec84ae5f","type":"change","z":"b779de97.b1b46","name":"","rules":[{"t":"set","p":"user","pt":"msg","to":"user","tot":"global"},{"t":"set","p":"password","pt":"msg","to":"password","tot":"global"},{"t":"set","p":"headers","pt":"msg","to":"{}","tot":"json"},{"t":"set","p":"headers.Authorization","pt":"msg","to":"\"Basic \" &  $base64decode($$.user & \":\" & $$.password)","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":200,"y":5240,"wires":[[]]}]

Thanks all for great and fast help. I think, I will use the Change node, which will do, what I need. Great. Thanks.

Please lets use https in any logon examples. And please note that even with https, you are leaking your id and password to the Internet. This is HIGHLY INSECURE.

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