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Added LXMF link support

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Mark Qvist 2022-07-04 19:25:17 +02:00
parent d8a35be14d
commit 247db32033
5 changed files with 91 additions and 23 deletions
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83
nomadnet/ui/textui/Browser.py
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@ -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):