New file structure: authd can now be used as a simple library.
parent
34f1077757
commit
78838f5ab9
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@ -9,9 +9,9 @@ authors:
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targets:
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authd:
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main: src/main.cr
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main: src/server.cr
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authc:
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main: utils/authc.cr
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main: src/client.cr
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crystal: 1.7.1
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259
src/authd.cr
259
src/authd.cr
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@ -1,239 +1,40 @@
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extend AuthD
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require "uuid"
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require "option_parser"
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require "openssl"
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require "colorize"
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require "jwt"
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require "grok"
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require "dodb"
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require "ipc"
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require "baguette-crystal-base"
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# Allows get configuration from a provided file.
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# See Baguette::Configuration::Base.get
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class Baguette::Configuration
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class Auth < IPC
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property recreate_indexes : Bool = false
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property storage : String = "storage"
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property registrations : Bool = false
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property require_email : Bool = false
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property activation_template : String = "email-activation"
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property recovery_template : String = "email-recovery"
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property mailer_exe : String = "mailer"
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property read_only_profile_keys : Array(String) = Array(String).new
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include YAML::Serializable
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property print_password_recovery_parameters : Bool = false
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property login : String? = nil
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property pass : String? = nil
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property shared_key : String = "nico-nico-nii" # Default authd key, as per the specs. :eyes:
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property shared_key_file : String? = nil
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def initialize
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end
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end
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end
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# Provides a JWT-based authentication scheme for service-specific users.
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class AuthD::Service < IPC
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property configuration : Baguette::Configuration::Auth
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# Token and user classes.
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require "./authd/token.cr"
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require "./authd/user.cr"
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# DB and its indexes.
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property users : DODB::DataBase(User)
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property users_per_uid : DODB::Index(User)
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property users_per_login : DODB::Index(User)
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# Requests and responses.
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require "./authd/exceptions"
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# #{@configuration.storage}/last_used_uid
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property last_uid_file : String
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# Requests and responses.
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require "./network"
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def initialize(@configuration)
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super()
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@users = DODB::DataBase(User).new @configuration.storage
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@users_per_uid = @users.new_index "uid", &.uid.to_s
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@users_per_login = @users.new_index "login", &.login
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@last_uid_file = "#{@configuration.storage}/last_used_uid"
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if @configuration.recreate_indexes
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@users.reindex_everything!
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end
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self.timer @configuration.ipc_timer
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self.service_init "auth"
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end
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def hash_password(password : String) : String
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digest = OpenSSL::Digest.new "sha256"
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digest << password
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digest.hexfinal
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end
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# new_uid reads the last given UID and returns it incremented.
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# Splitting the retrieval and record of new user ids allows to
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# only increment when an user fully registers, thus avoiding a
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# Denial of Service attack.
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#
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# WARNING: to record this new UID, new_uid_commit must be called.
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# WARNING: new_uid isn't thread safe.
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def new_uid
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begin
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uid = File.read(@last_uid_file).to_i
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rescue
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uid = 999
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end
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uid += 1
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end
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# new_uid_commit records the new UID.
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# WARNING: new_uid_commit isn't thread safe.
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def new_uid_commit(uid : Int)
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File.write @last_uid_file, uid.to_s
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end
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def handle_request(event : IPC::Event)
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request_start = Time.utc
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array = event.message.not_nil!
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slice = Slice.new array.to_unsafe, array.size
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message = IPCMessage::TypedMessage.deserialize slice
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request = AuthD.requests.parse_ipc_json message.not_nil!
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if request.nil?
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raise "unknown request type"
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end
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request_name = request.class.name.sub /^AuthD::Request::/, ""
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Baguette::Log.debug "<< #{request_name}"
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response = begin
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request.handle self
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rescue e : UserNotFound
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Baguette::Log.error "#{request_name} user not found"
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AuthD::Response::Error.new "authorization error"
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rescue e : AuthenticationInfoLacking
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Baguette::Log.error "#{request_name} lacking authentication info"
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AuthD::Response::Error.new "authorization error"
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rescue e : AdminAuthorizationException
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Baguette::Log.error "#{request_name} admin authentication failed"
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AuthD::Response::Error.new "authorization error"
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rescue e
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Baguette::Log.error "#{request_name} generic error #{e}"
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AuthD::Response::Error.new "unknown error"
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end
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# If clients sent requests with an “id” field, it is copied
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# in the responses. Allows identifying responses easily.
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response.id = request.id
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schedule event.fd, response
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duration = Time.utc - request_start
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response_name = response.class.name.sub /^AuthD::Response::/, ""
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if response.is_a? AuthD::Response::Error
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Baguette::Log.warning ">> #{response_name} (#{response.reason})"
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else
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Baguette::Log.debug ">> #{response_name} (Total duration: #{duration})"
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end
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end
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def get_user_from_token(token : String)
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token_payload = Token.from_s(@configuration.shared_key, token)
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@users_per_uid.get? token_payload.uid.to_s
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end
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def run
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Baguette::Log.title "Starting authd"
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Baguette::Log.info "(mailer) Email activation template: #{@configuration.activation_template}"
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Baguette::Log.info "(mailer) Email recovery template: #{@configuration.recovery_template}"
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self.loop do |event|
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case event.type
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when LibIPC::EventType::Timer
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Baguette::Log.debug "Timer" if @configuration.print_ipc_timer
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when LibIPC::EventType::MessageRx
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Baguette::Log.debug "Received message from #{event.fd}" if @configuration.print_ipc_message_received
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begin
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handle_request event
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rescue e
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Baguette::Log.error "#{e.message}"
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# send event.fd, Response::Error.new e.message
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end
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when LibIPC::EventType::MessageTx
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Baguette::Log.debug "Message sent to #{event.fd}" if @configuration.print_ipc_message_sent
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when LibIPC::EventType::Connection
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Baguette::Log.debug "Connection from #{event.fd}" if @configuration.print_ipc_connection
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when LibIPC::EventType::Disconnection
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Baguette::Log.debug "Disconnection from #{event.fd}" if @configuration.print_ipc_disconnection
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else
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Baguette::Log.error "Not implemented behavior for event: #{event}"
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end
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end
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end
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end
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begin
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simulation, no_configuration, configuration_file = Baguette::Configuration.option_parser
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configuration = if no_configuration
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Baguette::Log.info "do not load a configuration file."
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Baguette::Configuration::Auth.new
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else
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Baguette::Configuration::Auth.get(configuration_file) ||
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Baguette::Configuration::Auth.new
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end
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Baguette::Context.verbosity = configuration.verbosity
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if key_file = configuration.shared_key_file
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configuration.shared_key = File.read(key_file).chomp
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end
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OptionParser.parse do |parser|
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parser.banner = "usage: authd [options]"
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parser.on "--storage directory", "Directory in which to store users." do |directory|
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configuration.storage = directory
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end
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parser.on "-K file", "--key-file file", "JWT key file" do |file_name|
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configuration.shared_key = File.read(file_name).chomp
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end
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parser.on "-R", "--allow-registrations", "Allow user registration." do
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configuration.registrations = true
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end
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parser.on "-E", "--require-email", "Require an email." do
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configuration.require_email = true
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end
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parser.on "-t activation-template-name", "--activation-template name", "Email activation template." do |opt|
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configuration.activation_template = opt
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end
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parser.on "-r recovery-template-name", "--recovery-template name", "Email recovery template." do |opt|
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configuration.recovery_template = opt
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end
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parser.on "-m mailer-exe", "--mailer mailer-exe", "Application to send registration emails." do |opt|
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configuration.mailer_exe = opt
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end
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parser.on "-x key", "--read-only-profile-key key", "Marks a user profile key as being read-only." do |key|
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configuration.read_only_profile_keys.push key
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end
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parser.on "-h", "--help", "Show this help" do
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puts parser
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exit 0
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end
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end
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if simulation
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pp! configuration
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exit 0
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end
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AuthD::Service.new(configuration).run
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rescue e : OptionParser::Exception
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Baguette::Log.error e.message
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rescue e
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Baguette::Log.error "exception raised: #{e.message}"
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e.backtrace.try &.each do |line|
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STDERR << " - " << line << '\n'
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end
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end
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# Functions to request the authd server.
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require "./authd/client.cr"
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@ -1,11 +1,6 @@
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require "option_parser"
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require "ipc"
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require "yaml"
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require "baguette-crystal-base"
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require "../src/libauth.cr"
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require "./authd.cr"
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class Context
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class_property simulation = false # do not perform the action
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@ -1,34 +0,0 @@
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require "json"
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require "jwt"
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require "ipc"
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require "baguette-crystal-base"
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# Allows get configuration from a provided file.
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# See Baguette::Configuration::Base.get
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class Baguette::Configuration
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class Auth < IPC
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include YAML::Serializable
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property login : String? = nil
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property pass : String? = nil
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property shared_key : String = "nico-nico-nii" # Default authd key, as per the specs. :eyes:
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property shared_key_file : String? = nil
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def initialize
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end
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end
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end
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# Token and user classes.
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require "./authd/token.cr"
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require "./authd/user.cr"
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# Requests and responses.
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require "./authd/exceptions"
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# Requests and responses.
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require "./network"
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# Functions to request the authd server.
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require "./authd/client.cr"
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13
src/main.cr
13
src/main.cr
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@ -1,13 +0,0 @@
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require "uuid"
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require "option_parser"
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require "openssl"
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require "colorize"
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require "jwt"
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require "grok"
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require "dodb"
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require "baguette-crystal-base"
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require "ipc"
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require "./libauth.cr"
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require "./authd.cr"
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@ -0,0 +1,241 @@
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require "./authd.cr"
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extend AuthD
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class Baguette::Configuration
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class Auth < IPC
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property recreate_indexes : Bool = false
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property storage : String = "storage"
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property registrations : Bool = false
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property require_email : Bool = false
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property activation_template : String = "email-activation"
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property recovery_template : String = "email-recovery"
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property mailer_exe : String = "mailer"
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property read_only_profile_keys : Array(String) = Array(String).new
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property print_password_recovery_parameters : Bool = false
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end
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end
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# Provides a JWT-based authentication scheme for service-specific users.
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class AuthD::Service < IPC
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property configuration : Baguette::Configuration::Auth
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# DB and its indexes.
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property users : DODB::DataBase(User)
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property users_per_uid : DODB::Index(User)
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property users_per_login : DODB::Index(User)
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# #{@configuration.storage}/last_used_uid
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property last_uid_file : String
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def initialize(@configuration)
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super()
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@users = DODB::DataBase(User).new @configuration.storage
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@users_per_uid = @users.new_index "uid", &.uid.to_s
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@users_per_login = @users.new_index "login", &.login
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@last_uid_file = "#{@configuration.storage}/last_used_uid"
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if @configuration.recreate_indexes
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@users.reindex_everything!
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end
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self.timer @configuration.ipc_timer
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self.service_init "auth"
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end
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def hash_password(password : String) : String
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digest = OpenSSL::Digest.new "sha256"
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digest << password
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digest.hexfinal
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end
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# new_uid reads the last given UID and returns it incremented.
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# Splitting the retrieval and record of new user ids allows to
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# only increment when an user fully registers, thus avoiding a
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# Denial of Service attack.
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#
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# WARNING: to record this new UID, new_uid_commit must be called.
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# WARNING: new_uid isn't thread safe.
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def new_uid
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begin
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uid = File.read(@last_uid_file).to_i
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rescue
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uid = 999
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end
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uid += 1
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end
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# new_uid_commit records the new UID.
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# WARNING: new_uid_commit isn't thread safe.
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def new_uid_commit(uid : Int)
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File.write @last_uid_file, uid.to_s
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end
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def handle_request(event : IPC::Event)
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request_start = Time.utc
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array = event.message.not_nil!
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slice = Slice.new array.to_unsafe, array.size
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message = IPCMessage::TypedMessage.deserialize slice
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request = AuthD.requests.parse_ipc_json message.not_nil!
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if request.nil?
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raise "unknown request type"
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end
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request_name = request.class.name.sub /^AuthD::Request::/, ""
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Baguette::Log.debug "<< #{request_name}"
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response = begin
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request.handle self
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rescue e : UserNotFound
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Baguette::Log.error "#{request_name} user not found"
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AuthD::Response::Error.new "authorization error"
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rescue e : AuthenticationInfoLacking
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Baguette::Log.error "#{request_name} lacking authentication info"
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AuthD::Response::Error.new "authorization error"
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rescue e : AdminAuthorizationException
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Baguette::Log.error "#{request_name} admin authentication failed"
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AuthD::Response::Error.new "authorization error"
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rescue e
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Baguette::Log.error "#{request_name} generic error #{e}"
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AuthD::Response::Error.new "unknown error"
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end
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# If clients sent requests with an “id” field, it is copied
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# in the responses. Allows identifying responses easily.
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response.id = request.id
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schedule event.fd, response
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duration = Time.utc - request_start
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response_name = response.class.name.sub /^AuthD::Response::/, ""
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if response.is_a? AuthD::Response::Error
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Baguette::Log.warning ">> #{response_name} (#{response.reason})"
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else
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Baguette::Log.debug ">> #{response_name} (Total duration: #{duration})"
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end
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end
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def get_user_from_token(token : String)
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token_payload = Token.from_s(@configuration.shared_key, token)
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@users_per_uid.get? token_payload.uid.to_s
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end
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def run
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Baguette::Log.title "Starting authd"
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Baguette::Log.info "(mailer) Email activation template: #{@configuration.activation_template}"
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Baguette::Log.info "(mailer) Email recovery template: #{@configuration.recovery_template}"
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self.loop do |event|
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case event.type
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when LibIPC::EventType::Timer
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Baguette::Log.debug "Timer" if @configuration.print_ipc_timer
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when LibIPC::EventType::MessageRx
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Baguette::Log.debug "Received message from #{event.fd}" if @configuration.print_ipc_message_received
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begin
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handle_request event
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rescue e
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Baguette::Log.error "#{e.message}"
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# send event.fd, Response::Error.new e.message
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end
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when LibIPC::EventType::MessageTx
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Baguette::Log.debug "Message sent to #{event.fd}" if @configuration.print_ipc_message_sent
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when LibIPC::EventType::Connection
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Baguette::Log.debug "Connection from #{event.fd}" if @configuration.print_ipc_connection
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when LibIPC::EventType::Disconnection
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Baguette::Log.debug "Disconnection from #{event.fd}" if @configuration.print_ipc_disconnection
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else
|
||||
Baguette::Log.error "Not implemented behavior for event: #{event}"
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
begin
|
||||
simulation, no_configuration, configuration_file = Baguette::Configuration.option_parser
|
||||
|
||||
configuration = if no_configuration
|
||||
Baguette::Log.info "do not load a configuration file."
|
||||
Baguette::Configuration::Auth.new
|
||||
else
|
||||
Baguette::Configuration::Auth.get(configuration_file) ||
|
||||
Baguette::Configuration::Auth.new
|
||||
end
|
||||
|
||||
Baguette::Context.verbosity = configuration.verbosity
|
||||
|
||||
if key_file = configuration.shared_key_file
|
||||
configuration.shared_key = File.read(key_file).chomp
|
||||
end
|
||||
|
||||
OptionParser.parse do |parser|
|
||||
parser.banner = "usage: authd [options]"
|
||||
|
||||
parser.on "--storage directory", "Directory in which to store users." do |directory|
|
||||
configuration.storage = directory
|
||||
end
|
||||
|
||||
parser.on "-K file", "--key-file file", "JWT key file" do |file_name|
|
||||
configuration.shared_key = File.read(file_name).chomp
|
||||
end
|
||||
|
||||
parser.on "-R", "--allow-registrations", "Allow user registration." do
|
||||
configuration.registrations = true
|
||||
end
|
||||
|
||||
parser.on "-E", "--require-email", "Require an email." do
|
||||
configuration.require_email = true
|
||||
end
|
||||
|
||||
parser.on "-t activation-template-name", "--activation-template name", "Email activation template." do |opt|
|
||||
configuration.activation_template = opt
|
||||
end
|
||||
|
||||
parser.on "-r recovery-template-name", "--recovery-template name", "Email recovery template." do |opt|
|
||||
configuration.recovery_template = opt
|
||||
end
|
||||
|
||||
parser.on "-m mailer-exe", "--mailer mailer-exe", "Application to send registration emails." do |opt|
|
||||
configuration.mailer_exe = opt
|
||||
end
|
||||
|
||||
|
||||
parser.on "-x key", "--read-only-profile-key key", "Marks a user profile key as being read-only." do |key|
|
||||
configuration.read_only_profile_keys.push key
|
||||
end
|
||||
|
||||
parser.on "-h", "--help", "Show this help" do
|
||||
puts parser
|
||||
exit 0
|
||||
end
|
||||
end
|
||||
|
||||
if simulation
|
||||
pp! configuration
|
||||
exit 0
|
||||
end
|
||||
|
||||
AuthD::Service.new(configuration).run
|
||||
|
||||
rescue e : OptionParser::Exception
|
||||
Baguette::Log.error e.message
|
||||
rescue e
|
||||
Baguette::Log.error "exception raised: #{e.message}"
|
||||
e.backtrace.try &.each do |line|
|
||||
STDERR << " - " << line << '\n'
|
||||
end
|
||||
end
|
||||
Loading…
Reference in New Issue