AuthD::Client#get_user?(login, password) added.

src/authd.cr

@@ -11,6 +11,7 @@ module AuthD
 		GetToken
 		AddUser
 		GetUser
+		GetUserByCredentials
 	end
 
 	enum ResponseTypes
@@ -46,6 +47,13 @@ module AuthD
 		})
 	end
 
+	class GetUserByCredentialsRequest
+		JSON.mapping({
+			login: String,
+			password: String
+		})
+	end
+
 	class Client < IPC::Client
 		property key : String
 
@@ -70,6 +78,21 @@ module AuthD
 			end
 		end
 
+		def get_user?(login : String, password : String)
+			send RequestTypes::GetUserByCredentials, {
+				:login => login,
+				:password => password
+			}.to_json
+
+			response = read
+
+			if response.type == ResponseTypes::Ok.value.to_u8
+				User.from_json response.payload
+			else
+				nil
+			end
+		end
+
 		def get_user?(uid : Int32)
 			send RequestTypes::GetUser, {:uid => uid}.to_json
 

src/main.cr

@@ -93,6 +93,21 @@ IPC::Service.new "auth" do |event|
 			user = passwd.add_user request.login, request.password
 
 			client.send ResponseTypes::Ok, user.to_json
+		when RequestTypes::GetUserByCredentials
+			begin
+				request = GetUserByCredentialsRequest.from_json payload
+			rescue e
+				client.send ResponseTypes::MalformedRequest, e.message || ""
+				next
+			end
+
+			user = passwd.get_user request.login, request.password
+
+			if user
+				client.send ResponseTypes::Ok, user.to_json
+			else
+				client.send ResponseTypes::UserNotFound, ""
+			end
 		when RequestTypes::GetUser
 			begin
 				request = GetUserRequest.from_json payload