Best choice for referencing a file by name in a specific locationĢ. Dependent on the file name and location staying the same There are multiple ways to reference a file that can be used as path parameter:ġ. using the Dropbox API to interact with a specific file, most /files/ endpoints require a path that points to a specific file. Has to be whitelisted in Dropbox settingsĬonst OAUTH_REDIRECT_URL=' // Dropbox configuration You can simply replace the whole file with the following code:Ĭonst NodeCache = require( 'node-cache' ) Ĭonst Dropbox = require('dropbox').Dropbox Ĭonst fetch = require('isomorphic-fetch') To implement this flow, we need to add two routes to /routes/index.js. Finally, the token received will be saved within the current session so next time the user reaches the home page /, they will be able to use Dropbox resources as long as their token is still valid, bypassing the need for authorization. We validate the state checking that there was a session id for it and use the Dropbox JavaScript SDK to exchange the code for a token. If the user takes too long to validate credentials and authorize the app with Dropbox, the cache will expire, adding an extra layer of security.Īfter completing authentication and authorization with Dropbox, the user will be sent back to the redirect URL along with the state string we sent and a code. This will handle multiple users as each user will have a different state and session id.

Then we use the Dropbox JavaScript SDK to obtain the authorization URL and redirect the user to that address. To do that, we generate a random state using the crypto library and the node-cache library to save in cache for a few minutes with the state as key and the session id as value. When a request is received in the home route /, we check if the session for that user has already a token stored in it, if that is the case, we can use the token directly to get resources from Dropbox, if not, then we need to get a token.

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