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The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*'
Hey guys I am using npm package to work with dropbox. However when I try to upload a file I get the following error XMLHttpRequest cannot load https://content.dropboxapi.com/2/files/upload. Respo...
I used an example Meteor app, and in server/main.js I just used the node library normally:
var Dropbox = require('dropbox');const dbx = new Dropbox({accessToken: "<ACCESS_TOKEN>"}) dbx.filesUpload({path: "/test_207235.txt", contents: "some test data"}) .then(function (response) { console.log(response) }) .catch(function (error) { console.error(error) })That uploaded the file successfully. Attempting the same in client/main.js failed with the same error you got.
I don't have a more advanced sample available though. The filesUpload method takes a string or buffer, but beyond that I'm afraid I can't offer much insight as to how to manage files/data in node and Meteor themselves.
If you want to upload directly from the user's browser, you can use the JavaScript SDK in the browser's JavaScript. E.g., include the library via a script tag in your HTML, and run JavaScript from a script tag, as shown in the basic browser example.
Greg-DB
Dropbox Staff
Dropbox StaffThanks for the post. We'll be happy to help with this. Can you let me know what version of the library you're using, and share the code that reproduces this issue? Thanks in advance!
Hi Greg!
I'm using dropbox@2.5.1
And here is the code
import Dropbox from 'dropbox'
uploadCallback (file,self) {
// TODO: Integrate dropbox with its SDK
// TODO: Pass the link to the editor
// const self = this
console.log(self)
return new Promise(
(resolve, reject) => {
console.log('uploadCallback promise')
console.log('file', file)
const dataObject = {
file,
resolve,
reject
}
console.log('dataObject', dataObject)
self.uploadToDropbox(dataObject)
}
)
}
uploadToDropbox (dataObject) {
const dbx = new Dropbox({accessToken: Meteor.settings.public.dropbox.accessToken})
console.log('dataObject', dataObject)
const { file } = dataObject
console.log('file', file)
const { resolve, reject } = dataObject
console.log('resolve', resolve)
console.log('reject', reject)
dbx.filesUpload({path: '/' + file.name, contents: file})
.then(function (response) {
console.log(response)
resolve({ data: { link: 'http://dummy_image_src.com' } })
})
.catch(function (error) {
console.error(error)
reject('some error')
})
return false
}Do you have any ideas?
- Greg-DB
Thanks! Based on your code, it looks like you're running this in a Meteor app.
I tried it out in a Meteor app, and I wasn't able to reproduce the issue when making an upload code in the 'server' code, but I was when I tried to run it in the 'client' code. Are you running this in the client code?
I'm not sure offhand if this is something we can support, so instead you can either:
- run this in your 'server' code.
- import the JavaScript SDK as a JavaScript library on the page and use the normal browser interface.Hi Greg!
Thanks for your reply and you got it all right!
Would you mind if I ask how you used the sdk in the server?
You see at first I tried using it in the server however I got problems passing the file object to a Meteor method in the server. Then I convereted the file to base64 send it to the server and was able to upload to dropbox, however the image was empty. So I thought the problem may be while passing file from client to server thus it would be better to directly upload to dropbox from the client. And then I got this headers' error. But I am pretty much sure I am overcomplicating something and there is a simpler solution.
- Greg-DB
I used an example Meteor app, and in server/main.js I just used the node library normally:
var Dropbox = require('dropbox');const dbx = new Dropbox({accessToken: "<ACCESS_TOKEN>"}) dbx.filesUpload({path: "/test_207235.txt", contents: "some test data"}) .then(function (response) { console.log(response) }) .catch(function (error) { console.error(error) })That uploaded the file successfully. Attempting the same in client/main.js failed with the same error you got.
I don't have a more advanced sample available though. The filesUpload method takes a string or buffer, but beyond that I'm afraid I can't offer much insight as to how to manage files/data in node and Meteor themselves.
If you want to upload directly from the user's browser, you can use the JavaScript SDK in the browser's JavaScript. E.g., include the library via a script tag in your HTML, and run JavaScript from a script tag, as shown in the basic browser example.
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