Added LXMF link support

nomadnet/Conversation.py

@@ -239,10 +239,11 @@ class Conversation:
     def __str__(self):
         string = self.source_hash
 
-        if self.source_identity:
-            if self.source_identity.app_data:
-                # TODO: Sanitise for viewing
-                string += " | "+self.source.source_identity.app_data.decode("utf-8")
+        # TODO: Remove this
+        # if self.source_identity:
+        #     if self.source_identity.app_data:
+        #         # TODO: Sanitise for viewing, or just clean this
+        #         string += " | "+self.source_identity.app_data.decode("utf-8")
 
         return string
 

nomadnet/Directory.py

@@ -60,8 +60,6 @@ class Directory:
 
                 entries = {}
                 for e in unpacked_list:
-                    if e[1] == None:
-                        e[1] = RNS.prettyhexrep(e[0])
                         
                     if len(e) > 3:
                         hosts_node = e[3]
@@ -250,8 +248,9 @@ class DirectoryEntry:
         if len(source_hash) == RNS.Identity.TRUNCATED_HASHLENGTH//8:
             self.source_hash  = source_hash
 
-            if display_name  == None:
-                display_name  = source_hash
+            # TODO: Clean
+            # if display_name  == None:
+            #     display_name  = source_hash
 
             self.display_name = display_name
 

nomadnet/ui/textui/Browser.py

@@ -133,17 +133,82 @@ class Browser:
             self.browser_footer = urwid.AttrMap(urwid.Pile([urwid.Divider(self.g["divider1"]), urwid.Text("Link to: "+str(link_target))]), "browser_controls")
             self.frame.contents["footer"] = (self.browser_footer, self.frame.options())
 
-    def handle_link(self, link_target):
-        if self.status >= Browser.DISCONECTED:
-            RNS.log("Browser handling link to: "+str(link_target), RNS.LOG_DEBUG)
-            try:
-                self.retrieve_url(link_target)
-            except Exception as e:
-                self.browser_footer = urwid.Text("Could not open link: "+str(e))
-                self.frame.contents["footer"] = (self.browser_footer, self.frame.options())
+    def expand_shorthands(self, destination_type):
+        if destination_type == "nnn":
+            return "nomadnetwork.node"
+        elif destination_type == "lxmf":
+            return "lxmf.delivery"
         else:
-            RNS.log("Browser aleady hadling link, cannot handle link to: "+str(link_target), RNS.LOG_DEBUG)
+            return destination_type
 
+    def handle_link(self, link_target):
+        components = link_target.split("@")
+        destination_type = None
+
+        if len(components) == 2:
+            destination_type = self.expand_shorthands(components[0])
+            link_target = components[1]
+        else:
+            destination_type = "nomadnetwork.node"
+            link_target = components[0]
+
+        if destination_type == "nomadnetwork.node":
+            if self.status >= Browser.DISCONECTED:
+                RNS.log("Browser handling link to: "+str(link_target), RNS.LOG_DEBUG)
+                try:
+                    self.retrieve_url(link_target)
+                except Exception as e:
+                    self.browser_footer = urwid.Text("Could not open link: "+str(e))
+                    self.frame.contents["footer"] = (self.browser_footer, self.frame.options())
+            else:
+                RNS.log("Browser already handling link, cannot handle link to: "+str(link_target), RNS.LOG_DEBUG)
+
+        elif destination_type == "lxmf.delivery":
+            RNS.log("Passing LXMF link to handler", RNS.LOG_DEBUG)
+            self.handle_lxmf_link(link_target)
+
+        else:
+            RNS.log("No known handler for destination type "+str(destination_type), RNS.LOG_DEBUG)
+            self.browser_footer = urwid.Text("Could not open link: "+"No known handler for destination type "+str(destination_type))
+            self.frame.contents["footer"] = (self.browser_footer, self.frame.options())
+
+    def handle_lxmf_link(self, link_target):
+        try:
+            if not type(link_target) is str:
+                raise ValueError("Invalid data type for LXMF link")
+
+            if len(link_target) != (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2:
+                raise ValueError("Invalid length for LXMF link")
+
+            try:
+                bytes.fromhex(link_target)
+
+            except Exception as e:
+                raise ValueError("Could not decode destination hash from LXMF link")
+
+            existing_conversations = nomadnet.Conversation.conversation_list(self.app)
+            
+            source_hash_text = link_target
+            display_name_data = RNS.Identity.recall_app_data(bytes.fromhex(source_hash_text))
+
+            display_name = None
+            if display_name_data != None:
+                display_name = display_name_data.decode("utf-8")
+
+            if not source_hash_text in [c[0] for c in existing_conversations]:
+                entry = DirectoryEntry(bytes.fromhex(source_hash_text), display_name=display_name)
+                self.app.directory.remember(entry)
+
+                new_conversation = nomadnet.Conversation(source_hash_text, nomadnet.NomadNetworkApp.get_shared_instance(), initiator=True)
+                self.app.ui.main_display.sub_displays.conversations_display.update_conversation_list()
+
+            self.app.ui.main_display.sub_displays.conversations_display.display_conversation(None, source_hash_text)
+            self.app.ui.main_display.show_conversations(None)
+
+        except Exception as e:
+            RNS.log("Error while starting conversation from link. The contained exception was: "+str(e), RNS.LOG_ERROR)
+            self.browser_footer = urwid.Text("Could not open LXMF link: "+str(e))
+            self.frame.contents["footer"] = (self.browser_footer, self.frame.options())
 
 
     def micron_released_focus(self):

nomadnet/ui/textui/Guide.py

@@ -929,11 +929,11 @@ Here's a few examples:
 
 `Faaa
 `=
-Here is a link without any label: `[1385edace36466a6b3dd:/page/index.mu]
+Here is a link without any label: `[72914442a3689add83a09a767963f57c:/page/index.mu]
 
-This is a `[labeled link`1385edace36466a6b3dd:/page/index.mu] to the same page, but it's hard to see if you don't know it
+This is a `[labeled link`72914442a3689add83a09a767963f57c:/page/index.mu] to the same page, but it's hard to see if you don't know it
 
-Here is `F00a`_`[a more visible link`1385edace36466a6b3dd:/page/index.mu]`_`f
+Here is `F00a`_`[a more visible link`72914442a3689add83a09a767963f57c:/page/index.mu]`_`f
 `=
 ``
 
@@ -941,11 +941,11 @@ The above markup produces the following output:
 
 `Faaa`B333
 
-Here is a link without any label: `[1385edace36466a6b3dd:/page/index.mu]
+Here is a link without any label: `[72914442a3689add83a09a767963f57c:/page/index.mu]
 
-This is a `[labeled link`1385edace36466a6b3dd:/page/index.mu] to the same page, but it's hard to see if you don't know it
+This is a `[labeled link`72914442a3689add83a09a767963f57c:/page/index.mu] to the same page, but it's hard to see if you don't know it
 
-Here is `F00f`_`[a more visible link`1385edace36466a6b3dd:/page/index.mu]`_`f
+Here is `F00f`_`[a more visible link`72914442a3689add83a09a767963f57c:/page/index.mu]`_`f
 
 ``
 

nomadnet/ui/textui/Network.py

@@ -420,6 +420,9 @@ class KnownNodeInfo(urwid.WidgetWrap):
 
         addr_str     = "<"+RNS.hexrep(source_hash, delimit=False)+">"
 
+        if display_str == None:
+            display_str = addr_str
+
         if node_ident != None:
             lxmf_addr_str = g["sent"]+" LXMF Propagation Node Address is "+RNS.prettyhexrep(RNS.Destination.hash_from_name_and_identity("lxmf.propagation", node_ident))
         else: