[UPDATED 3/27/18] GCal Search


I’ve found this as a result of the new limitations within IFTTT. I’ve been trying to install it using the new SmartThings app, but am receiving the Error 403 when I try to do the Google authentication. I’ve checked all my settings within the web client OAuth and they are correct. The only thing that I can think of is that the new app forces authentication to take place inside the app rather than a browser. Reading through this thread, I see that this was corrected back in 2017 using ‘external’ but this doesn’t seem to work with the new app. Any ideas?



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Maybe refresh your tokens? You may have already tried that? I think it’s mentioned around post 50. I haven’t touched this in ages and it’s hardly ever messed up, so I’m not sure how much help I can be.

It was definitely the new app. I found that I still had the old version installed on my iPad. I didn’t think that I’d be able to use it as it had previously only given me options to speak to support to upgrade to the new app. However, it did allow me to authenticate and its now all working successfully.

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Hi there!
I just try to install the Gcal-search app and I get an error when I try to enter credentials…something like: google cant log you inside this app…

Everything is looking fine ( api enabled for calendar, oauth is set for web app, client secret and id entered in the setings (ST)… Any clue on how to fix that?

Is your issue similar to the post above yours? Did you try the old app? Not that I think it’s functional anymore? Possibly that is now the only way to setup this old app?

Having the same issue (Error 403). Running the latest app on iOS. Do not have an older app. Any other way around this?

also having the 403 error.

does anything special have to be done for the OAuth Consent Screen on Google? Published status? Test Users?

Resurrecting the post… Has anybody found an answer to this error yet? It seems like the GCal Search app would be really useful, but I get stuck with the 403 disallowed_useragent error. Has anybody got this to work off the new app yet?

Is this GCal Search app dead?
I installed it under the classic ST app, migrated to the new ST app, and GCal Search was working until today. I uninstalled the GCal SmartApp, and reinstalled it to ST, and now getting the Error 403: disallowed_useragent error from Google when executing the GCal SmartApp. Didn’t change anything in the API setup…

Are you thinking of making this available for the Edge Drivers?

I really hope so. I use it for my automations…

Best Regards