front end trigger for backend jobs framework

back/pialert.py

@@ -42,10 +42,8 @@ from pytz import timezone
 #===============================================================================
 # PATHS
 #===============================================================================
-PIALERT_BACK_PATH = os.path.dirname(os.path.abspath(__file__))
-pialertPath = PIALERT_BACK_PATH + "/.."  #to fix - remove references and use pialertPath instead
-logPath     = pialertPath + '/front/log'
 pialertPath = '/home/pi/pialert'
+logPath     = pialertPath + '/front/log'
 confPath = "/config/pialert.conf"
 dbPath = '/db/pialert.db'
 fullConfPath = pialertPath + confPath
@@ -451,6 +449,9 @@ def main ():
         # re-load user configuration
         importConfig()         
 
+        # check if there is a front end initiated event which needs to be executed
+        check_and_run_event()
+
         # proceed if 1 minute passed
         if last_run + datetime.timedelta(minutes=1) < time_started :
 
@@ -798,8 +799,7 @@ def update_devices_MAC_vendors (pArg = ''):
 
     # Update vendors DB (iab oui)
     file_print('    Updating vendors DB (iab & oui)')    
-    # update_args = ['sh', PIALERT_BACK_PATH + '/update_vendors.sh', ' > ', logPath +  '/update_vendors.log',    '2>&1']
+    update_args = ['sh', pialertPath + '/update_vendors.sh', pArg]
-    update_args = ['sh', PIALERT_BACK_PATH + '/update_vendors.sh', pArg]
 
     try:
         # try runnning a subprocess
@@ -808,10 +808,6 @@ def update_devices_MAC_vendors (pArg = ''):
         # An error occured, handle it
         file_print(e.output)        
 
-    # DEBUG
-        # update_args = ['./vendors_db_update.sh']
-        # subprocess.call (update_args, shell=True)
-
     # Initialize variables
     recordsToUpdate = []
     ignored = 0
@@ -1597,7 +1593,7 @@ def performNmapScan(devicesToScan):
             # prepare arguments from user supplied ones
             nmapArgs = ['nmap'] + NMAP_ARGS.split() + [device["dev_LastIP"]]
 
-            progress = ' (' + str(devIndex) + '/' + str(devTotal) + ')'
+            progress = ' (' + str(devIndex+1) + '/' + str(devTotal) + ')'
 
             try:
                 # try runnning a subprocess with a forced (timeout + 30 seconds)  in case the subprocess hangs
@@ -2016,14 +2012,14 @@ def send_notifications ():
 						)""")
 
     # Open text Template
-    template_file = open(PIALERT_BACK_PATH + '/report_template.txt', 'r') 
+    template_file = open(pialertPath + '/back/report_template.txt', 'r') 
     mail_text = template_file.read() 
     template_file.close() 
 
     # Open html Template
-    template_file = open(PIALERT_BACK_PATH + '/report_template.html', 'r') 
+    template_file = open(pialertPath + '/back/report_template.html', 'r') 
     if isNewVersion():
-        template_file = open(PIALERT_BACK_PATH + '/report_template_new_version.html', 'r') 
+        template_file = open(pialertPath + '/back/report_template_new_version.html', 'r') 
 
     mail_html = template_file.read() 
     template_file.close() 
@@ -2191,7 +2187,7 @@ def send_notifications ():
             file_print('      Sending report by Email')
             send_email (mail_text, mail_html)
         else :
-            file_print('    Skip mail')
+            file_print('      Skip email')
         if REPORT_APPRISE and check_config('apprise'):
             updateState("Send: Apprise")
             file_print('      Sending report by Apprise')
@@ -2770,7 +2766,8 @@ def upgradeDB ():
     ('Front_Details_Tab', 'tabDetails'),
     ('Back_Settings_Imported', round(time.time() * 1000)),
     ('Back_App_State', 'Initializing'), 
-    ('Back_New_Version_Available', False)
+    ('Back_New_Version_Available', False),
+    ('Front_Event', 'none')    
     ] 
 
     sql.executemany ("""INSERT INTO Parameters ("par_ID", "par_Value") VALUES (?, ?)""", params)  
@@ -3020,6 +3017,48 @@ def hide_email(email):
 
     return email    
 
+#-------------------------------------------------------------------------------
+def check_and_run_event():
+    sql.execute(""" select * from Parameters where par_ID = "Front_Event" """)
+    rows = sql.fetchall()    
+
+    event, param = ['','']
+    if len(rows) > 0 and rows[0]['par_Value'] != 'none':        
+        event = rows[0]['par_Value'].split('|')[0]
+        param = rows[0]['par_Value'].split('|')[1]
+    else:
+        return
+
+    if event == 'test':
+        handle_test(param)
+
+    # clear event execution flag
+    sql.execute ("UPDATE Parameters SET par_Value='none' WHERE par_ID='Front_Event'")        
+
+    # commit to DB  
+    commitDB ()
+
+#-------------------------------------------------------------------------------
+def handle_test(testType):
+    if testType == 'REPORT_MAIL':
+        test_email()
+
+#-------------------------------------------------------------------------------    
+def test_email():
+
+    # Open text Template
+    template_file = open(pialertPath + '/back/report_sample_1.txt', 'r') 
+    mail_text_txt = template_file.read() 
+    template_file.close() 
+
+    # Open html Template 
+    template_file = open(pialertPath + '/back/report_sample_2.html', 'r') 
+    mail_text_html = template_file.read() 
+    template_file.close() 
+
+    send_email(mail_text_txt, mail_text_html)
+    
+
 #-------------------------------------------------------------------------------
 def isNewVersion():   
     global newVersionAvailable

back/report_sample_1.txt

@@ -0,0 +1,50 @@
+Report Date: 2021-12-08 12:30
+Server:      Synology-NAS
+
+New Devices
+----------------------
+Name: 	(name not found)
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.121
+	Time: 	2021-12-08 12:30
+	More Info: 	Micro-Star INTL CO., LTD.
+
+Name: 	(name not found)
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.151
+	Time: 	2021-12-08 12:30
+	More Info: 	Espressif Inc.
+
+
+
+Events
+----------------------
+Name: 	Samsung
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.27
+	Time: 	2021-12-08 12:30
+	Event: 	Connected
+	More Info: 	
+
+Name: 	(name not found)
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.6
+	Time: 	2021-12-08 12:30
+	Event: 	Disconnected
+	More Info: 	
+
+Name: 	Google-Home-Mini
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.16
+	Time: 	2021-12-08 12:30
+	Event: 	Disconnected
+	More Info: 	
+
+Name: 	(name not found)
+	MAC: 	2c:2c:2c:2c:2c:2c
+	IP: 	192.168.1.119
+	Time: 	2021-12-08 12:30
+	Event: 	Disconnected
+	More Info: 	
+
+

docs/WEBHOOK_N8N.md

@@ -2,7 +2,7 @@
 ![n8n workflow](https://i.imgur.com/2EGrQjt.png)
 
 ### Specify your email template 
-See [sample JSON](https://github.com/jokob-sk/Pi.Alert/blob/main/docs/webhook_json_sample.json) if you want to see the JSON paths used in the email template below
+See [sample JSON](https://github.com/jokob-sk/Pi.Alert/blob/main/back/webhook_json_sample.json) if you want to see the JSON paths used in the email template below
 ![Email template](https://i.imgur.com/kcVjGm1.png)
 
 ### Get your webhook in n8n

front/css/pialert.css

@@ -692,6 +692,13 @@ height: 50px;
     
 }
 
+.settings-expand-icon {
+    font-size: medium;
+    /* background-color: #272c30; */
+    margin: 10px;
+    
+}
+
 .settings_content input[type=checkbox] 
 { 
     width: auto 
@@ -712,3 +719,8 @@ height: 50px;
     left: 0px;
     font-size: large;
 }
+
+.pointer
+{
+    cursor:pointer;
+}

front/php/templates/language/en_us.php

@@ -500,7 +500,7 @@ the arp-scan will take hours to complete instead of seconds.
 'WEBHOOK_URL_name' => 'Target URL',
 'WEBHOOK_URL_description' => 'Target URL starting with <code>http://</code> or <code>https://</code>.',
 'WEBHOOK_PAYLOAD_name' => 'Payload type',
-'WEBHOOK_PAYLOAD_description' => 'The Webhook payload data format for the <code>body</code> > <code>attachments</code> > <code>text</code> attribute in the payload json. See an example of the payload <a target="_blank" href="https://github.com/jokob-sk/Pi.Alert/blob/main/docs/webhook_json_sample.json">here</a>. (e.g.: for discord use <code>html</code>)',
+'WEBHOOK_PAYLOAD_description' => 'The Webhook payload data format for the <code>body</code> > <code>attachments</code> > <code>text</code> attribute in the payload json. See an example of the payload <a target="_blank" href="https://github.com/jokob-sk/Pi.Alert/blob/main/back/webhook_json_sample.json">here</a>. (e.g.: for discord use <code>html</code>)',
 'WEBHOOK_REQUEST_METHOD_name' => 'Request method',
 'WEBHOOK_REQUEST_METHOD_description' => 'The HTTP request method to be used for the webhook call.',
 

front/settings.php

@@ -53,7 +53,7 @@ CommitDB();
           <?php echo lang('Navigation_Settings');?> 
           <a style="cursor:pointer">
             <span>
-              <i id='toggleSettings' onclick="toggleAllSettings()" class="fa fa-angle-double-down"></i>
+              <i id='toggleSettings' onclick="toggleAllSettings()" class="settings-expand-icon fa fa-angle-double-down"></i>
             </span> 
           </a>
       </h1>
@@ -239,10 +239,16 @@ CommitDB();
             
             $eventsList = createArray($set['Events']);  
 
+            $iconMap = [
+              "test"  => ["To test this configuration you have to save it at first.","fa-vial-circle-check"]              
+            ];
+
             if(count($eventsList) > 0)
             {
               foreach ($eventsList as $event) {
-                $eventsHtml = $eventsHtml.'<span class="input-group-addon"><i class="fa fa-vial-circle-check" data-toggle="'.$event.'"></i></span>';
+                $eventsHtml = $eventsHtml.'<span class="input-group-addon">
+                  <i title="'.$iconMap[$event][0].'" class="fa '.$iconMap[$event][1].' pointer" data-myparam="'.$set['Code_Name'].'" data-myevent="'.$event.'"></i>
+                </span>';
               }
             }
 
@@ -444,11 +450,30 @@ CommitDB();
     
   }
 
-
 </script>
 
 <script defer>
 
+  // ----------------------------------------------------------------------------- 
+  // handling events on the backend initiated by the front end START
+  // ----------------------------------------------------------------------------- 
+  $(window).on('load', function() { 
+    $('i[data-myevent]').each(function(index, element){
+      $(element).attr('onclick', 
+      'handleEvent(\"' + $(element).attr('data-myevent') + '|'+ $(element).attr('data-myparam') + '\")'      
+      );
+    });
+  });
+
+  function handleEvent (value){        
+
+    setParameter ('Front_Event', value)
+
+  }
+  // ----------------------------------------------------------------------------- 
+  // handling events on the backend initiated by the front end END
+  // ----------------------------------------------------------------------------- 
+
   // ---------------------------------------------------------
   // Show last time settings have been imported
   getParam("lastImportedTime", "Back_Settings_Imported", skipCache = true);