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31 lines
2.7 KiB
Markdown
31 lines
2.7 KiB
Markdown
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title = "Nest Thermostat Logger"
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date = 2022-12-24
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draft = true
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[taxonomies]
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tags = ["Nest", "Google", "API", "DeviceAccess", "OAuth2", "Temperature", "Humidity", "Weather"]
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Since [Works with Nest (WWN)](https://developers.nest.com/) is retiring, I decided to get set up on [Device Access](https://developers.google.com/nest/device-access/get-started) to check out the Smart Device Management (SDM) API. The Quick Start Guide on the Device Access page is very comprehensive, and here's what I did to get everything up and running.
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First I paid the seemingly unavoidable one-time, non-refundable $5 USD fee and accepted both the [Google API](https://developers.google.com/terms) and [Device Access Sandbox](https://developers.google.com/nest/device-access/tos) Terms of Service.
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Since access to the SDM API is through [Google Cloud Platform (GCP)](https://cloud.google.com/gcp/) I created a project and enabled the Smart Device Management API from the [API Enablement](https://console.developers.google.com/apis/library/smartdevicemanagement.googleapis.com) page and created an OAuth 2.0 Client ID on the [Credentials](https://console.developers.google.com/apis/credentials) page.
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My final step in setup was to create a project in Device Access, so I have the Project UUID needed to make SDM API calls.
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<!-- more -->
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Authorizing an account through this link allows granting access to my nest:
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>[https://nestservices.google.com/partnerconnections/***project-id***/auth?redirect_uri=https://www.google.com&access_type=offline&prompt=consent&client_id=<font color="green">***oauth2-client-id***</font>&response_type=code&scope=https://www.googleapis.com/auth/sdm.service](https://nestservices.google.com/partnerconnections/project-id/auth?redirect_uri=https://www.google.com&access_type=offline&prompt=consent&client_id=oauth2-client-id&response_type=code&scope=https://www.googleapis.com/auth/sdm.service)
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This redirects to [google.com](https://www.google.com) and returns the authorization code in the address bar:
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>[https://www.google.com?code=**authorization-code**&scope=https://www.googleapis.com/auth/sdm.service](https://www.google.com?code=authorization-code&scope=https://www.googleapis.com/auth/sdm.service
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)
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This [curl](https://curl.se/) request returns the access and refresh tokens:
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> $ curl -L -X POST [https://www.googleapis.com/oauth2/v4/token?client_id=oauth2-client-id&client_secret=oauth2-client-secret&code=authorization-code&grant_type=authorization_code&redirect_uri=https://www.google.com](https://www.googleapis.com/oauth2/v4/token?client_id=oauth2-client-id&client_secret=oauth2-client-secret&code=authorization-code&grant_type=authorization_code&redirect_uri=https://www.google.c |