discourse/lib/auth/twitter_authenticator.rb

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class Auth::TwitterAuthenticator < Auth::Authenticator
def name
"twitter"
end
def after_authenticate(auth_token)
result = Auth::Result.new
data = auth_token[:info]
result.email = data["email"]
result.email_valid = result.email.present?
result.username = data["nickname"]
result.name = data["name"]
twitter_user_id = auth_token["uid"]
result.extra_data = {
twitter_email: result.email,
twitter_user_id: twitter_user_id,
twitter_screen_name: result.username,
twitter_image: data["image"],
twitter_description: data["description"],
twitter_location: data["location"]
}
user_info = TwitterUserInfo.find_by(twitter_user_id: twitter_user_id)
result.user = user_info.try(:user)
if (!result.user) && result.email_valid && (result.user = User.find_by_email(result.email))
TwitterUserInfo.create(
user_id: result.user.id,
screen_name: result.username,
twitter_user_id: twitter_user_id,
email: result.email
)
end
retrieve_avatar(result.user, result.extra_data)
retrieve_profile(result.user, result.extra_data)
result
end
def after_create_account(user, auth)
extra_data = auth[:extra_data]
TwitterUserInfo.create(
user_id: user.id,
screen_name: extra_data[:twitter_screen_name],
twitter_user_id: extra_data[:twitter_user_id],
email: extra_data[:email]
)
retrieve_avatar(user, extra_data)
retrieve_profile(user, extra_data)
true
end
def register_middleware(omniauth)
omniauth.provider :twitter,
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setup: lambda { |env|
strategy = env["omniauth.strategy"]
strategy.options[:consumer_key] = SiteSetting.twitter_consumer_key
strategy.options[:consumer_secret] = SiteSetting.twitter_consumer_secret
}
end
protected
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def retrieve_avatar(user, data)
return unless user
return if user.user_avatar.try(:custom_upload_id).present?
if (avatar_url = data[:twitter_image]).present?
url = avatar_url.sub("_normal", "")
Jobs.enqueue(:download_avatar_from_url, url: url, user_id: user.id, override_gravatar: false)
end
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end
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def retrieve_profile(user, data)
return unless user
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bio = data[:twitter_description]
location = data[:twitter_location]
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if bio || location
profile = user.user_profile
profile.bio_raw = bio unless profile.bio_raw.present?
profile.location = location unless profile.location.present?
profile.save
end
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end
end