321 lines
7.3 KiB
Crystal
321 lines
7.3 KiB
Crystal
require "uuid"
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require "file_utils"
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require "option_parser"
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require "authd"
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require "./project.cr"
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require "./requests.cr"
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authd_key = nil : String?
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storage_directory = "./projects"
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# It’ll get replaced later. But FIXME, this is only a temporary workaround.
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authd = nil.unsafe_as AuthD::Client
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OptionParser.parse do |parser|
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parser.on "-k file", "--jwt-key file", "Provides the JWT key for authd." do |file|
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authd_key = File.read(file).chomp
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end
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parser.on "-S dir", "--storage dir", "Provides a directory in which to store kanband’s data and projects." do |dir|
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storage_directory = dir
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end
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parser.on "-h", "--help", "Prints this help message." 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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class ConnectionArray < Array(Int32)
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def <<(x : IPC::Connection)
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self << x.fd
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end
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def [](key) : IPC::Connection
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fd = fetch key
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connection = LibIPC::Connection.new# 0, 0, fd, 0, Pointer(UInt8).null
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connection.fd = fd
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IPC::Connection.new connection
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end
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def each
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super do |fd|
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connection = LibIPC::Connection.new# 0, 0, fd, 0, Pointer(UInt8).null
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connection.fd = fd
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yield IPC::Connection.new connection
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end
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end
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end
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class ConnectionHash < Hash(Int32, AuthD::User)
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def [](key : IPC::Connection)
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self[key.fd]
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end
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end
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sockets = ConnectionArray.new
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users = ConnectionHash.new
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authd = AuthD::Client.new
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key = authd_key
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authd.key = key if key.is_a? String
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# FIXME: Upstream this?
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class IPC::Service
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def loop(&block : Proc(IPC::Event::Connection | IPC::Event::Disconnection | IPC::Event::Message | IPC::Exception, Nil))
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previous_def do |event|
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begin
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block.call event
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rescue e
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STDERR.puts "IPC::Service caught an exception: #{e}"
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end
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end
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end
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end
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IPC::Service.new "kanban" do |event|
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case event
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when IPC::Event::Connection
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when IPC::Event::Disconnection
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socket = event.connection
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users.delete socket
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sockets.delete socket
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when IPC::Event::Message
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message_as_s = String.new event.message.payload
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begin
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message = JSON.parse(message_as_s).as_h
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rescue
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next # Dropping malformed requests.
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end
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connection = event.connection
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case message["type"]
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when "login"
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request = Requests::Login.from_json message_as_s
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login = request.login
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password = request.password
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user = authd.get_user? login, password
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unless user
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connection.send(0, {
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type: "login-error",
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error: "Invalid credentials."
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}.to_json)
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next
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end
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users[connection.fd] = user
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sockets << connection.fd
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connection.send(0, {
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type: "login"
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}.to_json)
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connection.send(0, {
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type: "list-projects",
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projects: Project.all storage_directory
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}.to_json)
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when "new-project"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::NewProject.from_json message_as_s
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project = Project.new request.name
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "list-projects",
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projects: Project.all storage_directory
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}.to_json)
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "project"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::Tasks.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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connection.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "edit-project"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::EditProject.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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if name = request.name
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project.name = name
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end
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if color = request.color
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project.color = color
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end
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "new-column"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::NewColumn.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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project.columns << Column.new request.name
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "new-task"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::NewTask.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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column = project.columns.find(&.id.==(request.column)).not_nil!
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project.tasks << Task.new request.title, user.uid, request.description, column.id
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "edit-task"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::EditTask.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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task = project.tasks.find(&.id.==(request.task)).not_nil!
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if column = request.column
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column = project.columns.find(&.id.==(column)).not_nil!
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task.column = column.id
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end
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if title = request.title
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task.title = title
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end
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if description = request.description
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task.description = description
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end
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if color = request.color
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task.color = color
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end
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# FIXME: Check it’s a valid UID.
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if assigned_to = request.assigned_to
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# FIXME: Probably not the best way to handle this corner-case.
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assigned_to = nil if assigned_to == -1
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task.assigned_to = assigned_to
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end
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "delete-task"
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user = users[connection]
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request = Requests::DeleteTask.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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project.tasks.select! &.id.!=(request.task)
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "edit-column"
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user = users[connection] # FIXME: make it an authentication error
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request = Requests::EditColumn.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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column = project.columns.find(&.id.==(request.column)).not_nil!
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if name = request.name
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column.name = name
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end
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puts project.columns.to_json
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "delete-column"
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user = users[connection]
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request = Requests::DeleteColumn.from_json message_as_s
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project = Project.get_from_id request.project, storage_directory
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project.columns.select! &.id.!=(request.column)
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project.tasks.select! &.column.!=(request.column)
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project.write! storage_directory
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# FIXME: Only notify concerned users.
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sockets.each &.send(0, {
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type: "project",
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project: project
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}.to_json)
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when "get-user"
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request = Requests::GetUser.from_json message_as_s
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user = authd.get_user? request.uid
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connection.send(0, {
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type: "user",
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user: user
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}.to_json)
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end
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else
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pp event
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end
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end
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