mirror of
https://github.com/discourse/discourse.git
synced 2024-12-16 22:43:41 +08:00
141 lines
3.7 KiB
Ruby
141 lines
3.7 KiB
Ruby
require_dependency 'single_sign_on'
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class DiscourseSingleSignOn < SingleSignOn
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def self.sso_url
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SiteSetting.sso_url
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end
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def self.sso_secret
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SiteSetting.sso_secret
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end
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def self.generate_url(return_path="/")
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sso = new
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sso.nonce = SecureRandom.hex
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sso.register_nonce(return_path)
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sso.return_sso_url = Discourse.base_url + "/session/sso_login"
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sso.to_url
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end
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def register_nonce(return_path)
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if nonce
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$redis.setex(nonce_key, NONCE_EXPIRY_TIME, return_path)
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end
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end
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def nonce_valid?
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nonce && $redis.get(nonce_key).present?
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end
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def return_path
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$redis.get(nonce_key) || "/"
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end
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def expire_nonce!
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if nonce
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$redis.del nonce_key
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end
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end
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def nonce_key
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"SSO_NONCE_#{nonce}"
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end
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def lookup_or_create_user(ip_address=nil)
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sso_record = SingleSignOnRecord.find_by(external_id: external_id)
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if sso_record && user = sso_record.user
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sso_record.last_payload = unsigned_payload
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else
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user = match_email_or_create_user(ip_address)
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sso_record = user.single_sign_on_record
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end
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# if the user isn't new or it's attached to the SSO record we might be overriding username or email
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unless user.new_record?
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change_external_attributes_and_override(sso_record, user)
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end
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if sso_record && (user = sso_record.user) && !user.active && !require_activation
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user.active = true
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user.save!
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user.enqueue_welcome_message('welcome_user') unless suppress_welcome_message
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end
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custom_fields.each do |k,v|
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user.custom_fields[k] = v
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end
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user.ip_address = ip_address
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user.admin = admin unless admin.nil?
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user.moderator = moderator unless moderator.nil?
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# optionally save the user and sso_record if they have changed
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user.save!
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sso_record.save!
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sso_record && sso_record.user
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end
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private
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def match_email_or_create_user(ip_address)
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unless user = User.find_by_email(email)
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try_name = name.presence
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try_username = username.presence
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user_params = {
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email: email,
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name: try_name || User.suggest_name(try_username || email),
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username: UserNameSuggester.suggest(try_username || try_name || email),
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ip_address: ip_address
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}
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user = User.create!(user_params)
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end
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if user
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if sso_record = user.single_sign_on_record
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sso_record.last_payload = unsigned_payload
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sso_record.external_id = external_id
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else
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user.create_single_sign_on_record(last_payload: unsigned_payload,
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external_id: external_id,
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external_username: username,
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external_email: email,
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external_name: name)
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end
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end
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user
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end
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def change_external_attributes_and_override(sso_record, user)
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if SiteSetting.sso_overrides_email && user.email != email
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user.email = email
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end
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if SiteSetting.sso_overrides_username && user.username != username && username.present?
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user.username = UserNameSuggester.suggest(username || name || email, user.username)
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end
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if SiteSetting.sso_overrides_name && user.name != name && name.present?
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user.name = name || User.suggest_name(username.blank? ? email : username)
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end
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if SiteSetting.sso_overrides_avatar && avatar_url.present? && (
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avatar_force_update ||
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sso_record.external_avatar_url != avatar_url)
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UserAvatar.import_url_for_user(avatar_url, user)
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end
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# change external attributes for sso record
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sso_record.external_username = username
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sso_record.external_email = email
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sso_record.external_name = name
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sso_record.external_avatar_url = avatar_url
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end
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end
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