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annotate sat/tools/config.py @ 3219:2ba602aef90e

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plugin attach, aesgcm: attachments refactoring: attachment handling has been simplified, and now use a "register" method similar as the ones used for download or upload. A default method (for unencrypted messages) will try a simple upload and will copy the links to body. AESGCM plugin has been adapted to be used for encrypted files. If more than one file is sent with AESGCM plugin, they will be split in several messages as current de-facto standard (OMEMO media sharing) doesn't support several files per message.
author Goffi <goffi@goffi.org>
date Wed, 18 Mar 2020 20:25:02 +0100
parents 60a9e47ef988
children a3639d6d9643
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 """ Configuration related useful methods """
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22
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23 import os
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24 import csv
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25 import json
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26 from configparser import ConfigParser, DEFAULTSECT, NoOptionError, NoSectionError
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27 from xdg import BaseDirectory
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28 from sat.core.log import getLogger
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29 from sat.core.constants import Const as C
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30 from sat.core.i18n import _
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31 from sat.core import exceptions
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32
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33 log = getLogger(__name__)
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34
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35
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36 def fixConfigOption(section, option, value, silent=True):
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37 """Force a configuration option value, writing it in the first found user
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38 config file, eventually creating a new user config file if none is found.
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39
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40 @param section (str): the config section
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41 @param option (str): the config option
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42 @param value (str): the new value
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43 @param silent (boolean): toggle logging output (must be True when called from sat.sh)
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44 """
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45 config = ConfigParser()
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46 target_file = None
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47 for file_ in C.CONFIG_FILES[::-1]:
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48 # we will eventually update the existing file with the highest priority,
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49 # if it's a user personal file...
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50 if not silent:
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51 log.debug(_("Testing file %s") % file_)
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52 if os.path.isfile(file_):
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53 if file_.startswith(os.path.expanduser("~")):
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54 config.read([file_])
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55 target_file = file_
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56 break
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57 if not target_file:
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58 # ... otherwise we create a new config file for that user
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59 target_file = BaseDirectory.save_config_path("sat") + "/sat.conf"
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60 if section and section.upper() != DEFAULTSECT and not config.has_section(section):
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61 config.add_section(section)
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62 config.set(section, option, value)
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63 with open(target_file, "wb") as configfile:
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64 config.write(configfile) # for the next time that user launches sat
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65 if not silent:
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66 if option in ("passphrase",): # list here the options storing a password
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67 value = "******"
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68 log.warning(_("Config auto-update: {option} set to {value} in the file "
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69 "{config_file}.").format(option=option, value=value,
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70 config_file=target_file))
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71
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72
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73 # XXX: tmp update code, will be removed in the future
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74 # When you remove this, please add the default value for
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75 # 'local_dir' in sat.core.constants.Const.DEFAULT_CONFIG
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76 def fixLocalDir(silent=True):
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77 """Retro-compatibility with the previous local_dir default value.
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78
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79 @param silent (boolean): toggle logging output (must be True when called from sat.sh)
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80 """
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81 user_config = ConfigParser()
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82 try:
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83 user_config.read(C.CONFIG_FILES)
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84 except:
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85 pass # file is readable but its structure if wrong
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86 try:
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87 current_value = user_config.get("DEFAULT", "local_dir")
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88 except (NoOptionError, NoSectionError):
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89 current_value = ""
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90 if current_value:
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91 return # nothing to do
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92 old_default = "~/.sat"
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93 if os.path.isfile(os.path.expanduser(old_default) + "/" + C.SAVEFILE_DATABASE):
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94 if not silent:
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95 log.warning(_(
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96 "A database has been found in the default local_dir for previous "
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97 "versions (< 0.5)"
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98 ))
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99 fixConfigOption("", "local_dir", old_default, silent)
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100
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101
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102 def parseMainConf(log_filenames=False):
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103 """Look for main .ini configuration file, and parse it
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104
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105 @param log_filenames(bool): if True, log filenames of read config files
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106 """
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107 config = ConfigParser(defaults=C.DEFAULT_CONFIG)
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108 try:
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109 filenames = config.read(C.CONFIG_FILES)
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110 except Exception as e:
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111 log.error(_("Can't read main config: {msg}").format(msg=e), exc_info=True)
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112 else:
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113 if log_filenames:
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114 log.info(
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115 _("Configuration was read from: {filenames}").format(
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116 filenames=', '.join(filenames)))
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117
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118 return config
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119
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120
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121 def getConfig(config, section, name, default=None):
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122 """Get a configuration option
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123
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124 @param config (ConfigParser): the configuration instance
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125 @param section (str): section of the config file (None or '' for DEFAULT)
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126 @param name (str): name of the option
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127 @param default: value to use if not found, or Exception to raise an exception
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128 @return (unicode, list, dict): parsed value
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129 @raise: NoOptionError if option is not present and default is Exception
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130 NoSectionError if section doesn't exists and default is Exception
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131 exceptions.ParsingError error while parsing value
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132 """
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133 if not section:
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134 section = DEFAULTSECT
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135
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136 try:
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137 value = config.get(section, name)
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138 except (NoOptionError, NoSectionError) as e:
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139 if default is Exception:
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140 raise e
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141 return default
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142
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143 if name.endswith("_path") or name.endswith("_dir"):
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144 value = os.path.expanduser(value)
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145 # thx to Brian (http://stackoverflow.com/questions/186857/splitting-a-semicolon-separated-string-to-a-dictionary-in-python/186873#186873)
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146 elif name.endswith("_list"):
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147 value = next(csv.reader(
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148 [value], delimiter=",", quotechar='"', skipinitialspace=True
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149 ))
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150 elif name.endswith("_dict"):
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151 try:
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152 value = json.loads(value)
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153 except ValueError as e:
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154 raise exceptions.ParsingError("Error while parsing data: {}".format(e))
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155 if not isinstance(value, dict):
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156 raise exceptions.ParsingError(
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157 "{name} value is not a dict: {value}".format(name=name, value=value)
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158 )
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159 elif name.endswith("_json"):
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160 try:
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161 value = json.loads(value)
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162 except ValueError as e:
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163 raise exceptions.ParsingError("Error while parsing data: {}".format(e))
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164 return value