agreement feature added to Ahenk. User must be accept agreement when first login on a Ahenk. Display and type of dm are getting on logging

opt/ahenk/ahenkd.py

@@ -10,7 +10,6 @@ import sys
 import threading
 import time
 import json
-
 from base.Scope import Scope
 from base.command.commander import Commander
 from base.config.ConfigManager import ConfigManager
@@ -27,6 +26,9 @@ from base.registration.Registration import Registration
 from base.scheduler.scheduler_factory import SchedulerFactory
 from base.system.system import System
 from base.task.TaskManager import TaskManager
+from base.agreement.agreement import Agreement
+from base.util.util import Util
+from multiprocessing import Process
 
 ahenkdaemon = None
 
@@ -155,7 +157,6 @@ class AhenkDeamon(BaseDaemon):
     def run(self):
         print('Ahenk running...')
 
-        self.signal_number = 0
         globalscope = Scope()
         globalscope.setInstance(globalscope)
 
@@ -197,6 +198,8 @@ class AhenkDeamon(BaseDaemon):
         self.messenger = self.init_messenger()
         self.logger.info('[AhenkDeamon] Messager was set')
 
+        Agreement().agreement_contract_update()
+
         self.init_message_response_queue()
 
         # if registration.is_ldap_registered() is False:
@@ -238,16 +241,58 @@ class AhenkDeamon(BaseDaemon):
             self.logger.debug('[AhenkDeamon] Signal is :{}'.format(str(json_data['event'])))
 
             if 'login' == str(json_data['event']):
-                self.logger.info('[AhenkDeamon] login event is handled for user: {}'.format(json_data['username']))
-                login_message = message_manager.login_msg(json_data['username'])
+                username = json_data['username']
+                display = json_data['display']
+                desktop = json_data['desktop']
+                self.logger.info('[AhenkDeamon] login event is handled for user: {}'.format(username))
+                login_message = message_manager.login_msg(username)
                 messenger.send_direct_message(login_message)
-                get_policy_message = message_manager.policy_request_msg(json_data['username'])
+
+                scope.getDbService().update('session', scope.getDbService().get_cols('session'), [username, display, desktop, Util.timestamp()])
+
+                agreement = Agreement()
+                agreement_choice = False
+                if agreement.check_agreement(username) is False:
+                    self.logger.debug('[AhenkDeamon] User {} has not accepted agreement.'.format(username))
+                    thread_ask = Process(target=agreement.ask, args=(username, display,))
+                    thread_ask.start()
+
+                    agreement_timeout = scope.getConfigurationManager().get('SESSION', 'agreement_timeout')
+
+                    timeout = int(agreement_timeout)  # sec
+                    timer = time.time()
+                    while 1:
+                        if thread_ask.is_alive() is False:
+                            self.logger.warning('[AhenkDeamon] {} was answered the question '.format(username))
+                            if Agreement().check_agreement(username):
+                                self.logger.warning('[AhenkDeamon] Choice of {} is YES'.format(username))
+                                agreement_choice = True
+                                break
+                            else:
+                                self.logger.warning('[AhenkDeamon] Choice of {} is NO'.format(username))
+                                agreement_choice = False
+                                break
+
+                        if (time.time() - timer) > timeout:
+                            if thread_ask.is_alive():
+                                thread_ask.terminate()
+                            Util.execute('pkill -9 -u {}'.format(username))
+                            self.logger.warning('[AhenkDeamon] Session of {} was ended because of timeout of contract agreement'.format(username))
+                            break
+                        time.sleep(0.1)
+                else:
+                    agreement_choice = True
+
+                if agreement_choice is True:
+                    get_policy_message = message_manager.policy_request_msg(username)
                     messenger.send_direct_message(get_policy_message)
+
             elif 'logout' == str(json_data['event']):
-                self.logger.info('[AhenkDeamon] logout event is handled for user: {}'.format(str(json_data['username'])))
-                logout_message = message_manager.logout_msg(json_data['username'])
+                username = json_data['username']
+                self.logger.info('[AhenkDeamon] logout event is handled for user: {}'.format(username))
+                logout_message = message_manager.logout_msg(username)
                 messenger.send_direct_message(logout_message)
-                plugin_manager.process_safe_mode(str(json_data['username']))
+                plugin_manager.process_safe_mode(username)
             elif 'send' == str(json_data['event']):
                 self.logger.info('[AhenkDeamon] Sending message over ahenkd command. Response Message: {}'.format(str(json_data['message'])))
                 message = str(json.dumps(json_data['message']))
@@ -300,8 +345,6 @@ if __name__ == '__main__':
             elif result is True:
                 if System.Ahenk.is_running() is True:
                     os.kill(int(System.Ahenk.get_pid_number()), signal.SIGALRM)
-
-
     except(KeyboardInterrupt, SystemExit):
         if System.Ahenk.is_running() is True:
             print('Ahenk will be closed.')

opt/ahenk/base/agreement/agreement.py

@@ -0,0 +1,70 @@
+from base.Scope import Scope
+from base.util.util import Util
+
+
+class Agreement:
+    def __init__(self):
+        scope = Scope().getInstance()
+        self.logger = scope.getLogger()
+        self.message_manager = scope.getMessageManager()
+        self.messenger = scope.getMessenger()
+        self.db_service = scope.getDbService()
+        self.ask_path = '/opt/ahenk/base/agreement/ask.py'
+        self.logger.debug('[Agreement] Instance initialized.')
+
+    def agreement_contract_update(self):
+        self.messenger.send_direct_message(self.message_manager.agreement_request_msg())
+        self.logger.debug('[Agreement] Requested updated agreement contract from lider.')
+
+    def check_agreement(self, username):
+        self.logger.debug('[Agreement] Checking agreement for user {}.'.format(username))
+        contract_id = self.get_current_contract_id()
+        if contract_id is None:
+            self.logger.debug('[Agreement] There is no any contract in database.')
+            if self.db_service.select_one_result('agreement', 'id', " contract_id='{0}' and username='{1}' and choice='Y' ".format('-1', username)) is None:
+                return False
+            else:
+                return True
+        else:
+            if self.db_service.select_one_result('agreement', 'id', " contract_id='{0}' and username='{1}' and choice='Y' ".format(contract_id, username)) is None:
+                return False
+            else:
+                return True
+
+    def get_current_contract_id(self):
+        return self.db_service.select_one_result('contract', 'id', 'id =(select MAX(id) from contract)')
+
+    def ask(self, username, display):
+
+        result = self.db_service.select('contract', ['content', 'title', 'id'], 'id =(select MAX(id) from contract)')
+
+        # TODO sec read from conf file
+
+        if result is None or len(result) < 1:
+            content = 'Ahenk kurulu bu bilgisayarda ilk defa oturum açıyorsunuz. ' \
+                      'Devam ederseniz Lider-Ahenk in bilgisayar üzeride yapacağı ' \
+                      'tüm işlemlere onay vermiş sayılacaksınız. Kabul ediyor musunuz?' \
+                      ' \n({} saniye içinde olumlu cevaplandırmadığınız takdirde oturumunuz ' \
+                      'sonlandırılacaktır.)'.format(10)
+            title = 'Ahenk Kurulu Bilgisayar Kullanım Anlaşması'
+            contract_id = '-1'
+        else:
+            content = result[0]
+            title = result[1]
+            contract_id = result[2]
+
+        command = 'export DISPLAY={0};python3 {1} \'{2}\' \'{3}\' '.format(display, self.ask_path, content, title)
+        result_code, p_out, p_err = Util.execute(command, as_user=username)
+        pout = str(p_out).replace('\n', '')
+        if pout != 'Error':
+            if pout == 'Y':
+                self.logger.debug('[Agreement] Agreement was accepted by {}.'.format(username))
+                self.db_service.update('agreement', self.db_service.get_cols('agreement'), [contract_id, username, Util.timestamp(), 'Y'])
+            elif pout == 'N':
+                self.db_service.update('agreement', self.db_service.get_cols('agreement'), [contract_id, username, Util.timestamp(), 'N'])
+                self.logger.debug('[Agreement] Agreement was ignored by {}. Session will be closed'.format(username))
+                Util.execute('pkill -9 -u {}'.format(username))
+            else:
+                self.logger.error('[Agreement] A problem occurred while executing ask.py. Error Message: {}'.format(str(pout)))
+        else:
+            self.logger.error('[Agreement] A problem occurred while executing ask.py (Probably argument fault). Error Message: {}'.format(str(pout)))

opt/ahenk/base/agreement/ask.py

@@ -0,0 +1,20 @@
+import sys
+import easygui
+
+
+def ask(content, title):
+    choice = easygui.ynbox(content, title, ('Evet', 'Hayır'))
+    if choice:
+        print('Y')
+    else:
+        print('N')
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 3:
+        try:
+            ask(sys.argv[1], sys.argv[2])
+        except Exception as e:
+            print(str(e))
+    else:
+        print('Error')