151 lines
3.3 KiB
Crystal
151 lines
3.3 KiB
Crystal
require "uuid"
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require "option_parser"
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require "openssl"
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require "jwt"
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require "ipc"
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require "./authd.cr"
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require "./passwd.cr"
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extend AuthD
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class IPC::Connection
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def send(type : AuthD::ResponseTypes, payload : String)
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send type.to_u8, payload
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end
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end
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authd_passwd_file = "passwd"
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authd_group_file = "group"
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authd_jwt_key = "nico-nico-nii"
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OptionParser.parse! do |parser|
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parser.on "-u file", "--passwd-file file", "passwd file." do |name|
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authd_passwd_file = name
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end
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parser.on "-g file", "--group-file file", "group file." do |name|
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authd_group_file = name
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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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authd_jwt_key = File.read(file_name).chomp
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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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passwd = Passwd.new authd_passwd_file, authd_group_file
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##
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# Provides a JWT-based authentication scheme for service-specific users.
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IPC::Service.new "auth" do |event|
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if event.is_a? IPC::Exception
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puts "oh no"
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pp! event
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next
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end
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client = event.connection
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case event
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when IPC::Event::Message
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message = event.message
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payload = message.payload
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case RequestTypes.new message.type.to_i
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when RequestTypes::GetToken
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begin
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request = GetTokenRequest.from_json String.new payload
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rescue e
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client.send ResponseTypes::MalformedRequest.value.to_u8, e.message || ""
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next
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end
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user = passwd.get_user request.login, request.password
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if user.nil?
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client.send ResponseTypes::InvalidCredentials.value.to_u8, ""
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next
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end
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client.send ResponseTypes::Ok.value.to_u8,
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JWT.encode user.to_h, authd_jwt_key, JWT::Algorithm::HS256
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when RequestTypes::AddUser
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begin
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request = AddUserRequest.from_json String.new payload
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rescue e
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client.send ResponseTypes::MalformedRequest.value.to_u8, e.message || ""
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next
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end
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if passwd.user_exists? request.login
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client.send ResponseTypes::InvalidUser, "Another user with the same login already exists."
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next
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end
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user = passwd.add_user request.login, request.password
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client.send ResponseTypes::Ok, user.sanitize!.to_json
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when RequestTypes::GetUserByCredentials
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begin
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request = GetUserByCredentialsRequest.from_json String.new payload
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rescue e
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client.send ResponseTypes::MalformedRequest, e.message || ""
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next
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end
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user = passwd.get_user request.login, request.password
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if user
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client.send ResponseTypes::Ok, user.sanitize!.to_json
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else
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client.send ResponseTypes::UserNotFound, ""
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end
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when RequestTypes::GetUser
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begin
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request = GetUserRequest.from_json String.new payload
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rescue e
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client.send ResponseTypes::MalformedRequest, e.message || ""
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next
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end
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user = passwd.get_user request.uid
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if user
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client.send ResponseTypes::Ok, user.sanitize!.to_json
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else
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client.send ResponseTypes::UserNotFound, ""
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end
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when RequestTypes::ModUser
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begin
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request = ModUserRequest.from_json String.new payload
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rescue e
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client.send ResponseTypes::MalformedRequest, e.message || ""
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next
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end
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password_hash = request.password.try do |s|
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Passwd.hash_password s
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end
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avatar = request.avatar
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passwd.mod_user request.uid, password_hash: password_hash, avatar: avatar
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client.send ResponseTypes::Ok, ""
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end
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end
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end
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