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Forum Discussion
Accessing get_metadata endpoint without Dropbox Javascript package
For fun, I'm making a cataloging web app using asp.net core 2.1 MVC and javascript. I don't need a frontend framework, so I don't want to bring in the whole NodeJS npm situation into this project. ...
While we recommend using the official libraries, it's not required. You can always call the Dropbox API HTTPS endpoints directly if you prefer. The documentation covers the requirements for each endpoint, and includes an example of calling using curl, e.g., for /2/files/get_metadata.
It looks like you're running in to a CORS issue though, due to your use of `credentials: 'include'`. Dropbox API calls, such as for /2/files/get_metadata, are authenticated using Dropbox API access tokens, not the browser's credentials. You need to supply the access token in the "Authorization" header as a "Bearer" token. (Also, the parameters should be a JSON string in the body.)
So, you code should look more like this:
fetch(apiURL, { method: 'post', headers: { "Authorization": "Bearer ACCESS_TOKEN_HERE", "Content-type": "application/json; charset=UTF-8" }, body: JSON.stringify(reqData), })
Greg-DB
Dropbox Staff
Dropbox StaffWhile we recommend using the official libraries, it's not required. You can always call the Dropbox API HTTPS endpoints directly if you prefer. The documentation covers the requirements for each endpoint, and includes an example of calling using curl, e.g., for /2/files/get_metadata.
It looks like you're running in to a CORS issue though, due to your use of `credentials: 'include'`. Dropbox API calls, such as for /2/files/get_metadata, are authenticated using Dropbox API access tokens, not the browser's credentials. You need to supply the access token in the "Authorization" header as a "Bearer" token. (Also, the parameters should be a JSON string in the body.)
So, you code should look more like this:
fetch(apiURL, {
method: 'post',
headers: {
"Authorization": "Bearer ACCESS_TOKEN_HERE",
"Content-type": "application/json; charset=UTF-8"
},
body: JSON.stringify(reqData),
})Thank You! I see that when I make the body parameter a string and make the other changes concerning Authorization, it works. However I am using the the Access Token that I made manually for my own development purposes. My new problem is about getting the access token on the server side. I'll post another question after I have thought about everything some more. :slight_smile:
- Greg-DB
Great! I'm glad to hear you were able to get that working.
For information on the OAuth app authorization flow, I recommend reviewing the OAuth guide and the authorization documentation.
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