Owen Cao questions

Owen Cao answers

• When authenticating a user with OAuth 2.0 how does the redirect URL know what user they belong to?
• Why does the Implicit Authorization Grant in OAuth require a "Web-hosted Client Resource"?
• Is there easy way to find list of authorised scopes for Google Access Token
• Automate the oauth authentication without browser in cron utility
• OAuth Secrets and Desktop Application
• How can I append to log files in this simple Java Logging implementation?
• Refresh Access Token with OAuth 2.0 Google App Engine
• Is "Authorized redirect URI" mandatory when setting up a new clientId under google developers console?
• Is there a way to *only* get a user's email address with Google's OAuth2 implementation?
• Google OAuth token exchange returns invalid_code