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808 lines
25 KiB
808 lines
25 KiB
# -*- coding: utf-8 -*-
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# Copyright © 2018, 2019 Damir Jelić <poljar@termina.org.uk>
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# Copyright © 2018, 2019 Denis Kasak <dkasak@termina.org.uk>
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#
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# Permission to use, copy, modify, and/or distribute this software for
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# any purpose with or without fee is hereby granted, provided that the
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# above copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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# RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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"""weechat-matrix Configuration module.
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This module contains abstractions on top of weechats configuration files and
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the main script configuration class.
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To add configuration options refer to MatrixConfig.
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Server specific configuration options are handled in server.py
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"""
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from builtins import super
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from collections import namedtuple
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from enum import Enum, unique
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import logbook
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import nio
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from matrix.globals import SCRIPT_NAME, SERVERS, W
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from matrix.utf import utf8_decode
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from . import globals as G
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@unique
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class RedactType(Enum):
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STRIKETHROUGH = 0
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NOTICE = 1
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DELETE = 2
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@unique
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class ServerBufferType(Enum):
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MERGE_CORE = 0
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MERGE = 1
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INDEPENDENT = 2
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nio.logger_group.level = logbook.ERROR
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class Option(
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namedtuple(
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"Option",
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[
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"name",
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"type",
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"string_values",
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"min",
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"max",
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"value",
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"description",
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"cast_func",
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"change_callback",
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],
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)
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):
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"""A class representing a new configuration option.
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An option object is consumed by the ConfigSection class adding
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configuration options to weechat.
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"""
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__slots__ = ()
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def __new__(
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cls,
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name,
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type,
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string_values,
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min,
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max,
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value,
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description,
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cast=None,
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change_callback=None,
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):
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"""
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Parameters:
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name (str): Name of the configuration option
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type (str): Type of the configuration option, can be one of the
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supported weechat types: string, boolean, integer, color
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string_values: (str): A list of string values that the option can
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accept seprated by |
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min (int): Minimal value of the option, only used if the type of
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the option is integer
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max (int): Maximal value of the option, only used if the type of
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the option is integer
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description (str): Description of the configuration option
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cast (callable): A callable function taking a single value and
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returning a modified value. Useful to turn the configuration
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option into an enum while reading it.
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change_callback(callable): A function that will be called
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by weechat every time the configuration option is changed.
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"""
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return super().__new__(
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cls,
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name,
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type,
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string_values,
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min,
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max,
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value,
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description,
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cast,
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change_callback,
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)
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@utf8_decode
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def matrix_config_reload_cb(data, config_file):
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return W.WEECHAT_RC_OK
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def change_log_level(category, level):
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"""Change the log level of the underlying nio lib
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Called every time the user changes the log level or log category
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configuration option."""
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if category == "all":
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nio.logger_group.level = level
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elif category == "http":
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nio.http.logger.level = level
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elif category == "client":
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nio.client.logger.level = level
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elif category == "events":
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nio.events.logger.level = level
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elif category == "responses":
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nio.responses.logger.level = level
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elif category == "encryption":
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nio.crypto.logger.level = level
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@utf8_decode
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def config_server_buffer_cb(data, option):
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"""Callback for the look.server_buffer option.
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Is called when the option is changed and merges/splits the server
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buffer"""
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for server in SERVERS.values():
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server.buffer_merge()
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return 1
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@utf8_decode
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def config_log_level_cb(data, option):
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"""Callback for the network.debug_level option."""
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change_log_level(
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G.CONFIG.network.debug_category, G.CONFIG.network.debug_level
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)
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return 1
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@utf8_decode
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def config_log_category_cb(data, option):
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"""Callback for the network.debug_category option."""
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change_log_level(G.CONFIG.debug_category, logbook.ERROR)
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G.CONFIG.debug_category = G.CONFIG.network.debug_category
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change_log_level(
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G.CONFIG.network.debug_category, G.CONFIG.network.debug_level
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)
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return 1
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@utf8_decode
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def config_pgup_cb(data, option):
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"""Callback for the network.fetch_backlog_on_pgup option.
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Enables or disables the hook that is run when /window page_up is called"""
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if G.CONFIG.network.fetch_backlog_on_pgup:
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if not G.CONFIG.page_up_hook:
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G.CONFIG.page_up_hook = W.hook_command_run(
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"/window page_up", "matrix_command_pgup_cb", ""
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)
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else:
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if G.CONFIG.page_up_hook:
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W.unhook(G.CONFIG.page_up_hook)
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G.CONFIG.page_up_hook = None
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return 1
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def level_to_logbook(value):
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if value == 0:
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return logbook.ERROR
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if value == 1:
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return logbook.WARNING
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if value == 2:
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return logbook.INFO
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if value == 3:
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return logbook.DEBUG
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return logbook.ERROR
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def logbook_category(value):
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if value == 0:
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return "all"
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if value == 1:
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return "http"
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if value == 2:
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return "client"
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if value == 3:
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return "events"
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if value == 4:
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return "responses"
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if value == 5:
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return "encryption"
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return "all"
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def eval_cast(string):
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"""A function that passes a string to weechat which evaluates it using its
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expression evaluation syntax.
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Can only be used with strings, useful for passwords or options that contain
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a formatted string to e.g. add colors.
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More info here:
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https://weechat.org/files/doc/stable/weechat_plugin_api.en.html#_string_eval_expression"""
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return W.string_eval_expression(string, {}, {}, {})
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class WeechatConfig(object):
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"""A class representing a weechat configuration file
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Wraps weechats configuration creation functionality"""
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def __init__(self, sections):
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"""Create a new weechat configuration file, expects the global
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SCRIPT_NAME to be defined and a reload callback
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Parameters:
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sections (List[Tuple[str, List[Option]]]): List of config sections
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that will be created for the configuration file.
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"""
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self._ptr = W.config_new(
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SCRIPT_NAME, SCRIPT_NAME + "_config_reload_cb", ""
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)
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for section in sections:
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name, options = section
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section_class = ConfigSection.build(name, options)
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setattr(self, name, section_class(name, self._ptr, options))
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def free(self):
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"""Free all the config sections and their options as well as the
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configuration file. Should be called when the script is unloaded."""
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for section in [
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getattr(self, a)
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for a in dir(self)
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if isinstance(getattr(self, a), ConfigSection)
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]:
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section.free()
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W.config_free(self._ptr)
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def read(self):
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"""Read the config file"""
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return_code = W.config_read(self._ptr)
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if return_code == W.WEECHAT_CONFIG_READ_OK:
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return True
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if return_code == W.WEECHAT_CONFIG_READ_MEMORY_ERROR:
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return False
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if return_code == W.WEECHAT_CONFIG_READ_FILE_NOT_FOUND:
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return True
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return False
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class ConfigSection(object):
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"""A class representing a weechat config section.
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Should not be used on its own, the WeechatConfig class uses this to build
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config sections."""
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@classmethod
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def build(cls, name, options):
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def constructor(self, name, config_ptr, options):
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self._ptr = W.config_new_section(
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config_ptr, name, 0, 0, "", "", "", "", "", "", "", "", "", ""
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)
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self._config_ptr = config_ptr
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self._option_ptrs = {}
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for option in options:
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self._add_option(option)
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attributes = {
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option.name: cls.option_property(
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option.name, option.type, cast_func=option.cast_func
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)
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for option in options
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}
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attributes["__init__"] = constructor
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section_class = type(name.title() + "Section", (cls,), attributes)
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return section_class
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def free(self):
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W.config_section_free_options(self._ptr)
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W.config_section_free(self._ptr)
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def _add_option(self, option):
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cb = option.change_callback.__name__ if option.change_callback else ""
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option_ptr = W.config_new_option(
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self._config_ptr,
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self._ptr,
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option.name,
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option.type,
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option.description,
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option.string_values,
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option.min,
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option.max,
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option.value,
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option.value,
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0,
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"",
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"",
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cb,
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"",
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"",
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"",
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)
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self._option_ptrs[option.name] = option_ptr
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@staticmethod
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def option_property(name, option_type, evaluate=False, cast_func=None):
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"""Create a property for this class that makes the reading of config
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option values pythonic. The option will be available as a property with
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the name of the option.
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If a cast function was defined for the option the property will pass
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the option value to the cast function and return its result."""
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def bool_getter(self):
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return bool(W.config_boolean(self._option_ptrs[name]))
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def str_getter(self):
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if cast_func:
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return cast_func(W.config_string(self._option_ptrs[name]))
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return W.config_string(self._option_ptrs[name])
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def str_evaluate_getter(self):
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return W.string_eval_expression(
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W.config_string(self._option_ptrs[name]), {}, {}, {}
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)
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def int_getter(self):
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if cast_func:
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return cast_func(W.config_integer(self._option_ptrs[name]))
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return W.config_integer(self._option_ptrs[name])
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if option_type in ("string", "color"):
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if evaluate:
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return property(str_evaluate_getter)
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return property(str_getter)
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if option_type == "boolean":
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return property(bool_getter)
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if option_type == "integer":
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return property(int_getter)
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class MatrixConfig(WeechatConfig):
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"""Main matrix configuration file.
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This class defines all the global matrix configuration options.
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New global options should be added to the constructor of this class under
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the appropriate section.
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There are three main sections defined:
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Look: This section is for options that change the way matrix messages
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are shown or the way the buffers are shown.
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Color: This section should mainly be for color options, options that
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change color schemes or themes should go to the look section.
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Network: This section is for options that change the way the script
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behaves, e.g. the way it communicates with the server, it handles
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responses or any other behavioural change that doesn't fit in the
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previous sections.
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There is a special section called server defined which contains per server
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configuration options. Server options aren't defined here, they need to be
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added in server.py
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"""
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def __init__(self):
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self.debug_buffer = ""
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self.upload_buffer = ""
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self.debug_category = "all"
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self.page_up_hook = None
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self.human_buffer_names = None
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look_options = [
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Option(
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"redactions",
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"integer",
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"strikethrough|notice|delete",
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0,
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0,
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"strikethrough",
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(
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"Only notice redactions, strike through or delete "
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"redacted messages"
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),
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RedactType,
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),
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Option(
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"server_buffer",
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"integer",
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"merge_with_core|merge_without_core|independent",
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0,
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0,
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"merge_with_core",
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"Merge server buffers",
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ServerBufferType,
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config_server_buffer_cb,
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),
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Option(
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"max_typing_notice_item_length",
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"integer",
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"",
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10,
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1000,
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"50",
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("Limit the length of the typing notice bar item."),
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),
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Option(
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"bar_item_typing_notice_prefix",
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"string",
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"",
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0,
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0,
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"Typing: ",
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("Prefix for the typing notice bar item."),
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),
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Option(
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"encryption_warning_sign",
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"string",
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"",
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0,
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0,
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"⚠️ ",
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("A sign that is used to signal trust issues in encrypted "
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"rooms (note: content is evaluated, see /help eval)"),
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eval_cast,
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),
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Option(
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"busy_sign",
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"string",
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"",
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0,
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0,
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"⏳",
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("A sign that is used to signal that the client is busy e.g. "
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"when the room backlog is fetching"
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" (note: content is evaluated, see /help eval)"),
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eval_cast,
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),
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Option(
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"encrypted_room_sign",
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"string",
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"",
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0,
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0,
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"🔐",
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("A sign that is used to show that the current room is "
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"encrypted "
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"(note: content is evaluated, see /help eval)"),
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eval_cast,
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),
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Option(
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"disconnect_sign",
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"string",
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"",
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0,
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0,
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"❌",
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("A sign that is used to show that the server is disconnected "
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"(note: content is evaluated, see /help eval)"),
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eval_cast,
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),
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Option(
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"pygments_style",
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"string",
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"",
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0,
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0,
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"native",
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"Pygments style to use for highlighting source code blocks",
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),
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Option(
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"code_blocks",
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"boolean",
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"",
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0,
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0,
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"on",
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("Display preformatted code blocks as rectangular areas by "
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"padding them with whitespace up to the length of the longest"
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" line (with optional margin)"),
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),
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Option(
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"code_block_margin",
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"integer",
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"",
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0,
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100,
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"2",
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("Number of spaces to add as a margin around around a code "
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"block"),
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),
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Option(
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"human_buffer_names",
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"boolean",
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"",
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0,
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0,
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"off",
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("If turned on the buffer name will consist of the server "
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"name and the room name instead of the Matrix room ID. Note, "
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"this requires a change to the logger.file.mask setting "
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"since conflicts can happen otherwise "
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"(requires a script reload)."),
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),
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]
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network_options = [
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Option(
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"max_initial_sync_events",
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"integer",
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"",
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1,
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10000,
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"30",
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("How many events to fetch during the initial sync"),
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),
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Option(
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"max_backlog_sync_events",
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"integer",
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"",
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1,
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100,
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"10",
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("How many events to fetch during backlog fetching"),
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),
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Option(
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"fetch_backlog_on_pgup",
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"boolean",
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"",
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0,
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0,
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"on",
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("Fetch messages in the backlog on a window page up event"),
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None,
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config_pgup_cb,
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),
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Option(
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"debug_level",
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"integer",
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"error|warn|info|debug",
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0,
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0,
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"error",
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"Enable network protocol debugging.",
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level_to_logbook,
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config_log_level_cb,
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),
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Option(
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"debug_category",
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"integer",
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"all|http|client|events|responses|encryption",
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0,
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0,
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"all",
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"Debugging category",
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logbook_category,
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config_log_category_cb,
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),
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Option(
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"debug_buffer",
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"boolean",
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"",
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0,
|
|
0,
|
|
"off",
|
|
("Use a separate buffer for debug logs."),
|
|
),
|
|
Option(
|
|
"lazy_load_room_users",
|
|
"boolean",
|
|
"",
|
|
0,
|
|
0,
|
|
"off",
|
|
("If on, room users won't be loaded in the background "
|
|
"proactively, they will be loaded when the user switches to "
|
|
"the room buffer. This only affects non-encrypted rooms."),
|
|
),
|
|
Option(
|
|
"max_nicklist_users",
|
|
"integer",
|
|
"",
|
|
100,
|
|
20000,
|
|
"5000",
|
|
("Limit the number of users that are added to the nicklist. "
|
|
"Active users and users with a higher power level are always."
|
|
" Inactive users will be removed from the nicklist after a "
|
|
"day of inactivity."),
|
|
),
|
|
Option(
|
|
"lag_reconnect",
|
|
"integer",
|
|
"",
|
|
5,
|
|
604800,
|
|
"90",
|
|
("Reconnect to the server if the lag is greater than this "
|
|
"value (in seconds)"),
|
|
),
|
|
Option(
|
|
"print_unconfirmed_messages",
|
|
"boolean",
|
|
"",
|
|
0,
|
|
0,
|
|
"on",
|
|
("If off, messages are only printed after the server confirms "
|
|
"their receival. If on, messages are immediately printed but "
|
|
"colored differently until receival is confirmed."),
|
|
),
|
|
Option(
|
|
"lag_min_show",
|
|
"integer",
|
|
"",
|
|
1,
|
|
604800,
|
|
"500",
|
|
("minimum lag to show (in milliseconds)"),
|
|
),
|
|
Option(
|
|
"typing_notice_conditions",
|
|
"string",
|
|
"",
|
|
0,
|
|
0,
|
|
"${typing_enabled}",
|
|
("conditions to send typing notifications (note: content is "
|
|
"evaluated, see /help eval); besides the buffer and window "
|
|
"variables the typing_enabled variable is also expanded; "
|
|
"the typing_enabled variable can be manipulated with the "
|
|
"/room command, see /help room"),
|
|
),
|
|
Option(
|
|
"read_markers_conditions",
|
|
"string",
|
|
"",
|
|
0,
|
|
0,
|
|
"${markers_enabled}",
|
|
("conditions to send read markers (note: content is "
|
|
"evaluated, see /help eval); besides the buffer and window "
|
|
"variables the markers_enabled variable is also expanded; "
|
|
"the markers_enabled variable can be manipulated with the "
|
|
"/room command, see /help room"),
|
|
),
|
|
Option(
|
|
"resending_ignores_devices",
|
|
"boolean",
|
|
"",
|
|
0,
|
|
0,
|
|
"on",
|
|
("If on resending the same message to a room that contains "
|
|
"unverified devices will mark the devices as ignored and "
|
|
"continue sending the message. If off resending the message "
|
|
"will again fail and devices need to be marked as verified "
|
|
"one by one or the /send-anyways command needs to be used to "
|
|
"ignore them."),
|
|
),
|
|
]
|
|
|
|
color_options = [
|
|
Option(
|
|
"quote_fg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"lightgreen",
|
|
"Foreground color for matrix style blockquotes",
|
|
),
|
|
Option(
|
|
"quote_bg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"default",
|
|
"Background counterpart of quote_fg",
|
|
),
|
|
Option(
|
|
"error_message_fg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"darkgray",
|
|
("Foreground color for error messages that appear inside a "
|
|
"room buffer (e.g. when a message errors out when sending or "
|
|
"when a message is redacted)"),
|
|
),
|
|
Option(
|
|
"error_message_bg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"default",
|
|
"Background counterpart of error_message_fg.",
|
|
),
|
|
Option(
|
|
"unconfirmed_message_fg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"darkgray",
|
|
("Foreground color for messages that are printed out but the "
|
|
"server hasn't confirmed the that he received them."),
|
|
),
|
|
Option(
|
|
"unconfirmed_message_bg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"default",
|
|
"Background counterpart of unconfirmed_message_fg."
|
|
),
|
|
Option(
|
|
"untagged_code_fg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"blue",
|
|
("Foreground color for code without a language specifier. "
|
|
"Also used for `inline code`."),
|
|
),
|
|
Option(
|
|
"untagged_code_bg",
|
|
"color",
|
|
"",
|
|
0,
|
|
0,
|
|
"default",
|
|
"Background counterpart of untagged_code_fg",
|
|
),
|
|
]
|
|
|
|
sections = [
|
|
("network", network_options),
|
|
("look", look_options),
|
|
("color", color_options),
|
|
]
|
|
|
|
super().__init__(sections)
|
|
|
|
# The server section is essentially a section with subsections and no
|
|
# options, handle that case independently.
|
|
W.config_new_section(
|
|
self._ptr,
|
|
"server",
|
|
0,
|
|
0,
|
|
"matrix_config_server_read_cb",
|
|
"",
|
|
"matrix_config_server_write_cb",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
)
|
|
|
|
def read(self):
|
|
super().read()
|
|
self.human_buffer_names = self.look.human_buffer_names
|
|
|
|
def free(self):
|
|
section_ptr = W.config_search_section(self._ptr, "server")
|
|
W.config_section_free(section_ptr)
|
|
super().free()
|