node-red-contrib-send-form

This is a node-red node for posting http(s) requests containing files as multipart formData.

Installation

run npm -g install @rbflurry/node-red-contrib-send-form

Features

Pulled together using some of the best of parts of other node-red-contrib nodes (particularly node-red-contrib-http-request), and the best parts of stackoverflow. Currently only sends files. Also Allows setting the url in msg.url

Usage

Required node inputs:

• url
• file source type:
  • base64 or binary buffer

File

• Data | Buffer
  Needs to be passed in msg.payload.file.data

• Name of file field | String
  Needs to be passed in msg.payload.file.field

• Name of file | String
  Needs to be passed in msg.payload.file.name

• Source type | String
  Can be selected within the node from a dropdown menu "type" or passed in msg.payload.file.type. Payload overrides the dropdown menu.

  Currently accepts

  • base64
  • binary

Form fields

Can be inserted within the node or passed as part of msg.payload.formOptions.<name of key>

msg.payload.formOptions.params = 'test':

is the same as

<input type=textbox name=params value="test">

Example msg.payload

msg.payload = {
  file: {
    field: 'file',
    data: msg.payload,
    type: 'binary',
    name: 'file'
  },
  formOptions: {
    params: '',
  }
}

same as:

  <form method=post enctype=multipart/form-data>
    <input type=textbox name=params value="">
    <input type=file name=file>
  </form>