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# Copyright (C) 2020 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from typing import Any
import logging
from nbxmpp.modules.dataforms import MultipleDataForm
from nbxmpp.modules.dataforms import SimpleDataForm
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Protocol
from nbxmpp.structs import RegisterData
def is_error(error: Any) -> bool:
return isinstance(error, BaseError)
class BaseError(Exception):
def __init__(self, is_fatal: bool = False) -> None:
self.is_fatal = is_fatal
self.text = ""
def __str__(self) -> str:
return self.text
def get_text(self, _pref_lang: str | None = None) -> str:
return self.text
class StanzaError(BaseError):
log_level = logging.INFO
app_namespace = None
def __init__(self, stanza: Protocol) -> None:
BaseError.__init__(self)
self.stanza = stanza
self._stanza_name = stanza.getName()
self._error_node = stanza.getTag("error")
self.condition: str | None = stanza.getError()
self.condition_data = self._error_node.getTagData(self.condition)
self.app_condition = self._get_app_condition()
self.type = stanza.getErrorType()
self.jid = stanza.getFrom()
self.id = stanza.getID()
self._text: dict[str, str] = {}
text_elements = self._error_node.getTags("text", namespace=Namespace.STANZAS)
for element in text_elements:
lang = element.getXmlLang()
text = element.getData()
self._text[lang] = text
def _get_app_condition(self) -> str | None:
if self.app_namespace is None:
return None
for node in self._error_node.getChildren():
if node.getNamespace() == self.app_namespace:
return node.getName()
return None
def get_text(self, pref_lang: str | None = None) -> str:
if pref_lang is not None:
text = self._text.get(pref_lang)
if text is not None:
return text
if self._text:
text = self._text.get("en")
if text is not None:
return text
text = self._text.get(None)
if text is not None:
return text
return self._text.popitem()[1]
return ""
def set_text(self, lang: str, text: str) -> None:
self._text[lang] = text
def __str__(self) -> str:
condition = self.condition
if self.app_condition is not None:
condition = "%s (%s)" % (self.condition, self.app_condition)
text = self.get_text("en") or ""
if text:
text = " - %s" % text
return "Error from %s: %s%s" % (self.jid, condition, text)
class PubSubStanzaError(StanzaError):
app_namespace = Namespace.PUBSUB_ERROR
class HTTPUploadStanzaError(StanzaError):
app_namespace = Namespace.HTTPUPLOAD_0
def get_max_file_size(self) -> float | None:
if self.app_condition != "file-too-large":
return None
node = self._error_node.getTag(self.app_condition)
try:
return float(node.getTagData("max-file-size"))
except Exception:
return None
def get_retry_date(self) -> str | None:
if self.app_condition != "retry":
return None
return self._error_node.getTagAttr("stamp")
class MalformedStanzaError(BaseError):
log_level = logging.WARNING
def __init__(self, text: str, stanza: Protocol, is_fatal: bool = True) -> None:
BaseError.__init__(self, is_fatal=is_fatal)
self.stanza = stanza
self.text = str(text)
class CancelledError(BaseError):
log_level = logging.INFO
def __init__(self) -> None:
BaseError.__init__(self, is_fatal=True)
self.text = "Task has been cancelled"
class TimeoutStanzaError(BaseError):
log_level = logging.INFO
def __init__(self) -> None:
BaseError.__init__(self)
self.text = "Timeout reached"
class RegisterStanzaError(StanzaError):
def __init__(self, stanza: Protocol, data: RegisterData) -> None:
StanzaError.__init__(self, stanza)
self._data = data
def get_data(self) -> RegisterData:
return self._data
class ChangePasswordStanzaError(StanzaError):
def __init__(
self, stanza: Protocol, form: SimpleDataForm | MultipleDataForm
) -> None:
StanzaError.__init__(self, stanza)
self._form = form
def get_form(self) -> SimpleDataForm | MultipleDataForm:
return self._form
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