Added option to block non-trusted callers

sbapp/sideband/core.py

@@ -853,6 +853,8 @@ class SidebandCore():
             self.config["voice_input"] = None
         if not "voice_ringer" in self.config:
             self.config["voice_ringer"] = None
+        if not "voice_trusted_only" in self.config:
+            self.config["voice_trusted_only"] = False
 
         # Make sure we have a database
         if not os.path.isfile(self.db_path):
@@ -1074,6 +1076,20 @@ class SidebandCore():
             RNS.log("Error while checking trust for "+RNS.prettyhexrep(context_dest)+": "+str(e), RNS.LOG_ERROR)
             return False
 
+    def voice_is_trusted(self, identity_hash):
+        context_dest = identity_hash
+        try:
+            lxmf_destination_hash = RNS.Destination.hash_from_name_and_identity("lxmf.delivery", identity_hash)
+            existing_voice = self._db_conversation(context_dest)
+            existing_lxmf  = self._db_conversation(lxmf_destination_hash)
+            if existing_lxmf: trust = existing_lxmf["trust"]
+            else: trust = existing_voice["trust"]
+            return trust == 1
+
+        except Exception as e:
+            RNS.log("Could not decode a valid peer name from data: "+str(e), RNS.LOG_DEBUG)
+            return False
+
     def is_object(self, context_dest, conv_data = None):
         try:
             if conv_data == None:

sbapp/sideband/voice.py

@@ -51,6 +51,7 @@ class ReticulumTelephone():
         self.telephone.set_speaker(self.speaker_device)
         self.telephone.set_microphone(self.microphone_device)
         self.telephone.set_ringer(self.ringer_device)
+        self.telephone.set_allowed(self.__is_allowed)
         RNS.log(f"{self} initialised", RNS.LOG_DEBUG)
 
     def set_ringtone(self, ringtone_path):
@@ -155,6 +156,11 @@ class ReticulumTelephone():
             self.state = self.STATE_IN_CALL
             RNS.log(f"Call established with {RNS.prettyhexrep(self.caller.hash)}", RNS.LOG_DEBUG)
 
+    def __is_allowed(self, identity_hash):
+        if self.owner.config["voice_trusted_only"]:
+            return self.owner.voice_is_trusted(identity_hash)
+        else: return True
+
     def __spin(self, until=None, msg=None, timeout=None):
         if msg: RNS.log(msg, RNS.LOG_DEBUG)
         if timeout != None: timeout = time.time()+timeout

sbapp/ui/voice.py

@@ -200,6 +200,9 @@ class Voice():
             if not self.app.sideband.config["voice_ringer"] in self.output_devices: self.output_devices.append(self.app.sideband.config["voice_ringer"])
 
     def update_settings_screen(self, sender=None):
+        self.voice_settings_screen.ids.voice_trusted_only.active = self.app.sideband.config["voice_trusted_only"]
+        self.voice_settings_screen.ids.voice_trusted_only.bind(active=self.settings_save_action)
+
         bp = 6; ml = 45; fs = 16; ics = 14
         self.update_devices()
 
@@ -257,6 +260,9 @@ class Voice():
                 self.voice_settings_screen.ids.ringer_devices.add_widget(device_button)
                 self.listed_ringer_devices.append(device)
 
+    def settings_save_action(self, sender=None, event=None):
+        self.app.sideband.config["voice_trusted_only"] = self.voice_settings_screen.ids.voice_trusted_only.active
+        self.app.sideband.save_configuration()
 
     def output_device_action(self, sender=None):
         self.app.sideband.config["voice_output"] = sender.device
@@ -377,7 +383,42 @@ MDScreen:
                 orientation: "vertical"
                 size_hint_y: None
                 height: self.minimum_height
-                padding: [dp(28), dp(32), dp(28), dp(16)]
+                padding: [dp(28), dp(48), dp(28), dp(16)]
+
+                MDLabel:
+                    text: "Call Handling"
+                    font_style: "H6"
+                    height: self.texture_size[1]
+                    padding: [dp(0), dp(0), dp(0), dp(12)]
+
+                MDLabel:
+                    id: voice_settings_info
+                    markup: True
+                    text: "You can block calls from all other callers than contacts marked as trusted, by enabling the following option."
+                    size_hint_y: None
+                    text_size: self.width, None
+                    height: self.texture_size[1]
+                    padding: [dp(0), dp(16), dp(0), dp(16)]
+
+                MDBoxLayout:
+                    orientation: "horizontal"
+                    padding: [0,0,dp(24),0]
+                    size_hint_y: None
+                    height: dp(48)
+                    
+                    MDLabel:
+                        text: "Block non-trusted callers"
+                        font_style: "H6"
+
+                    MDSwitch:
+                        id: voice_trusted_only
+                        pos_hint: {"center_y": 0.3}
+                        active: False
+
+                MDLabel:
+                    text: "Audio Devices"
+                    font_style: "H6"
+                    padding: [dp(0), dp(96), dp(0), dp(12)]
 
                 MDLabel:
                     id: voice_settings_info
@@ -386,11 +427,12 @@ MDScreen:
                     size_hint_y: None
                     text_size: self.width, None
                     height: self.texture_size[1]
-                    padding: [dp(0), dp(0), dp(0), dp(48)]
+                    padding: [dp(0), dp(64), dp(0), dp(32)]
 
                 MDLabel:
-                    text: "Output Device"
+                    text: "[b]Output[/b]"
-                    font_style: "H6"
+                    font_size: dp(18)
+                    markup: True
 
                 MDBoxLayout:
                     id: output_devices
@@ -398,7 +440,7 @@ MDScreen:
                     spacing: "12dp"
                     size_hint_y: None
                     height: self.minimum_height
-                    padding: [dp(0), dp(35), dp(0), dp(48)]
+                    padding: [dp(0), dp(24), dp(0), dp(48)]
 
                     # MDRectangleFlatIconButton:
                     #     id: output_default_button
@@ -411,8 +453,9 @@ MDScreen:
                     #     disabled: False
 
                 MDLabel:
-                    text: "Input Device"
+                    text: "[b]Input[/b]"
-                    font_style: "H6"
+                    font_size: dp(18)
+                    markup: True
 
                 MDBoxLayout:
                     id: input_devices
@@ -420,11 +463,12 @@ MDScreen:
                     spacing: "12dp"
                     size_hint_y: None
                     height: self.minimum_height
-                    padding: [dp(0), dp(35), dp(0), dp(48)]
+                    padding: [dp(0), dp(24), dp(0), dp(48)]
 
                 MDLabel:
-                    text: "Ringer Device"
+                    text: "[b]Ringer[/b]"
-                    font_style: "H6"
+                    font_size: dp(18)
+                    markup: True
 
                 MDBoxLayout:
                     id: ringer_devices
@@ -432,6 +476,6 @@ MDScreen:
                     spacing: "12dp"
                     size_hint_y: None
                     height: self.minimum_height
-                    padding: [dp(0), dp(35), dp(0), dp(48)]
+                    padding: [dp(0), dp(24), dp(0), dp(48)]
 
 """