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express-filestack
Advanced tools
Express middleware to pipe multipart/form-data (upload) requests to Filestack
Express middleware to pipe multipart/form-data (upload) requests to Filestack.
This middleware allows you to create an intermediary endpoint for multipart/form-data
requests which uploads your file to Filestack.
npm install express-filestack
yarn add express-filestack
Set your Filestack upload URL as an environment variable.
FILESTACK_UPLOAD_URL='https://www.filestackapi.com/api/store/S3?key=4kBkTCq6QTqjkcprFyUN4c'`
On completion the middleware will attach a filestack
key to the express response object. It can be accessed as res.filestack
. The key will contain a strigified JSON object if the upload is succcessful.
Note: For cases when the API key is wrong, res.filestack
will contain a response string and not stringified JSON.
const express = require('express')
const filestack = require('express-filestack')
const app = express()
app.post('/uploads', filestack, (req, res) => {
try {
// Successful response will have a stringified JSON from Filestack
// '{"url": "https://cdn.filestackcontent.com/vP3jekLSdahlMH1g47vy", "size": 4950, "type": "image/png", "filename": "Screen Shot 2018-08-02 at 8.40.25 PM.png"}'
const data = JSON.parse(res.filestack)
res.json({ data })
} catch (err) {
// An uncsuccessful response string as a response
// Use an error middleware here or return the response from Filestack
res.json({ error: res.filestack })
}
})
app.listen(5000, () => console.log('Example app listening on port 5000!'));
The name of the input
field should be set as fileUpload
.
<form action="/uploads" method="post" enctype="multipart/form-data">
<input type="file" name="fileUpload">
</form>
Set your Filestack upload URL by passing it through the middleware. This option can only be a string.
const uploadUrl = 'https://www.filestackapi.com/api/store/S3?key=4kBkTCq6QTqjkcprFyUN4c'
app.post('/uploads', filestack({ uploadUrl }), (req, res) => {
res.json({
data: JSON.parse(res.filestack)
})
})
If you have application specific headers set in the original request omit those headers being sent to Filestack. This option should be an array of string(s). omitHeaders
is useful if you don't want to send authorization headers that is needed for your application and does not need to be piped to Filestack for security reasons.
const uploadUrl = 'https://www.filestackapi.com/api/store/S3?key=4kBkTCq6QTqjkcprFyUN4c'
const omitHeaders = [ 'authorization', 'x-something' ]
app.post('/uploads', filestack({ uploadUrl, omitHeaders }), (req, res) => {
res.json({
data: JSON.parse(res.filestack)
})
})
When set to true
, debug logs will be enabled. Or you can set DEBUG=express-filestack
environment variable to see all debugging information.
app.post('/uploads', filestack({ debug: true }), (req, res) => {
res.json({
data: JSON.parse(res.filestack)
})
})
Contributions are welcome. If you encounter any problem, file an issue here.
FAQs
Express middleware to pipe multipart/form-data (upload) requests to Filestack
The npm package express-filestack receives a total of 4 weekly downloads. As such, express-filestack popularity was classified as not popular.
We found that express-filestack demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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