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Forum Discussion
iOS - Problems connecting from own app to Dropbox when Dropbox App is installed
Dear community,
since a few days I have the following strange situation.
I have developed an app for iOS which can store data on the Dropbox. The connection is set up as described in the ...
Greg-DB
Dropbox Staff
Dropbox StaffThanks for the report! Can you also share:
- the code you're using to start the authorization flow
- whether or not you also have the non-scenes "Handle redirect back into SDK" code added
- the version number of the Dropbox SDK
- the version number of the Dropbox iOS app
- the version number of iOS
I'm using the following authorization flow, my App is set up in Dropbox with a permanent token:
DropboxClientsManager.authorizeFromController(UIApplication.shared, controller: self, openURL: {(url: URL) -> Void in UIApplication.shared.open(url, options: [:], completionHandler: nil)})
I tried it with your alternative authorization flow as published too, but the result is the same.
The newest SDK version, I can install via cocoaPod is 7.0.1. Astonishingly I can either install version 8.2.0 via CocoaPods ( pod 'SwiftyDropbox', '>=8.0.0' creates an error, only
pod 'SwiftyDropbox', '>=7.0.0' works and leads to 7.0.1) nor via Swift Package Manager with the published link (the link is not found).
iOS-Version is 15.0
- Greg-DB
gcarl While either should technically work, you should use the newer "authorizeFromControllerV2" method as shown here, instead of "authorizeFromController". Is that what you're referring to when you say "alternative authorization flow"?
In any case, I've been unable to reproduce the issue in my own testing, even with the same version of the SDK. You didn't mention which version number of the Dropbox iOS app you have installed though, so please do share that. You can find it in the settings section of the app.
Also, when you run in to this issue, do you get any error or output, such as in the UI or in the Xcode console?
Finally, I also can't reproduce the SDK installation issues you mentioned. If you're still seeing those, can you share the full error/output for those?
Dear greg-db,
thanks for your support. Unfortunately, I can't manage it.
I'm using the DropboxApp version 258.2.2.
SwiftyDropbox SDK-version is 7.0.1
For the authorization I use the "authorizeFromControllerV2" as described:
func connectDropbox(withRequest request: Dropboxrequest) {
let scopeRequest = ScopeRequest(scopeType: .user, scopes: ["files.content.write"], includeGrantedScopes: false)
DropboxClientsManager.authorizeFromControllerV2(
UIApplication.shared,
controller: self,
loadingStatusDelegate: nil,
openURL: { (url: URL) -> Void in UIApplication.shared.open(url, options: [:], completionHandler: nil) },
scopeRequest: scopeRequest
)
}
and the functions within AppDelegate and in SceneDelegate are as described in the manual:
func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
let oauthCompletion: DropboxOAuthCompletion = {
if let authResult = $0 {
switch authResult {
case .success:
print("Success! User is logged into DropboxClientsManager.")
case .cancel:
print("Authorization flow was manually canceled by user!")
case .error(_, let description):
print("Error: \(String(describing: description))")
}
}
}
for context in URLContexts {
// stop iterating after the first handle-able url
if DropboxClientsManager.handleRedirectURL(context.url, completion: oauthCompletion) { break }
}
}
When trying to read or write a file to Dropbox I'm always referred to the Authorization Screen from the Dropbox and I'm asked if I want to give access permission for my app.
Furthermore I got the following messages:
021-11-05 17:16:15.392198+0000 Kochbuch[36069:5578791] [connection] nw_read_request_report [C4] Receive failed with error "Software caused connection abort"
2021-11-05 17:16:15.411732+0000 Kochbuch[36069:5578791] Task <F851E3DF-4C19-444C-AB1B-82ACB996ACD8>.<4> HTTP load failed, 36/0 bytes (error code: -1005 [1:53])
2021-11-05 17:16:15.412911+0000 Kochbuch[36069:5579146] Task <F851E3DF-4C19-444C-AB1B-82ACB996ACD8>.<4> finished with error [-1005] Error Domain=NSURLErrorDomain Code=-1005 "Die Netzwerkverbindung wurde unterbrochen." UserInfo={_kCFStreamErrorCodeKey=53, NSUnderlyingError=0x2806e0840 {Error Domain=kCFErrorDomainCFNetwork Code=-1005 "(null)" UserInfo={_kCFStreamErrorCodeKey=53, _kCFStreamErrorDomainKey=1}}, _NSURLErrorFailingURLSessionTaskErrorKey=LocalDataTask <F851E3DF-4C19-444C-AB1B-82ACB996ACD8>.<4>, _NSURLErrorRelatedURLSessionTaskErrorKey=(
"LocalDataTask <F851E3DF-4C19-444C-AB1B-82ACB996ACD8>.<4>"
), NSLocalizedDescription=Die Netzwerkverbindung wurde unterbrochen., NSErrorFailingURLStringKey=https://api.dropbox.com/oauth2/token, NSErrorFailingURLKey=https://api.dropbox.com/oauth2/token, _kCFStreamErrorDomainKey=1}
Error: nil
- Greg-DB
Thanks for following up and sharing that error output. That particular error code indicates that the network connection was lost. (The https://api.dropbox.com/oauth2/token address is used by the last step of the authorization flow, to call the Dropbox severs to retrieve the access token.)
Is there anything on your network connection/device that may be interfering with the connection to api.dropbox.com, such as firewall, proxy, VPN, anti-virus, etc.?
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