annotate src/twisted/plugins/libervia_server.py @ 990:6daa59d44ee2

pages: menu implementation, first draft: menu can now be specified in sat.conf using menu_json setting and using pages' names. A default menu is set in constants, with only login and blog pages for now.
author Goffi <goffi@goffi.org>
date Fri, 01 Dec 2017 00:02:34 +0100
parents fd4eae654182
children f2170536ba23
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2013-2017 Jérôme Poisson <goffi@goffi.org>
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6 # Copyright (C) 2013-2016 Adrien Cossa <souliane@mailoo.org>
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7 # Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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8
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9 # This program is free software: you can redistribute it and/or modify
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10 # it under the terms of the GNU Affero General Public License as published by
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11 # the Free Software Foundation, either version 3 of the License, or
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12 # (at your option) any later version.
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14 # This program is distributed in the hope that it will be useful,
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 # GNU Affero General Public License for more details.
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18
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19 # You should have received a copy of the GNU Affero General Public License
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20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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21
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22 from twisted.internet import defer
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23 if defer.Deferred.debug:
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24 # if we are in debug mode, we want to use ipdb instead of pdb
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25 try:
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26 import ipdb
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27 import pdb
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28 pdb.set_trace = ipdb.set_trace
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29 pdb.post_mortem = ipdb.post_mortem
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30 except ImportError:
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31 pass
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32
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33 import os.path
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34 import libervia
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35 import sat
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36
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37 from libervia.server.constants import Const as C
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38
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39 from sat.core.i18n import _
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40 from sat.tools import config
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41
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42 from zope.interface import implements
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44 from twisted.python import usage
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45 from twisted.plugin import IPlugin
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46 from twisted.application.service import IServiceMaker
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47 import ConfigParser
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49
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50 CONFIG_SECTION = C.APP_NAME.lower()
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51 if libervia.__version__ != sat.__version__:
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52 import sys
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53 sys.stderr.write(u"""sat module version ({sat_version}) and {current_app} version ({current_version}) mismatch
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54
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55 sat module is located at {sat_path}
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56 libervia module is located at {libervia_path}
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57
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58 Please be sure to have the same version running
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59 """.format(
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60 sat_version = sat.__version__,
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61 current_app = C.APP_NAME,
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62 current_version = libervia.__version__,
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63 sat_path = os.path.dirname(sat.__file__),
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64 libervia_path = os.path.dirname(libervia.__file__),
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65 ).encode('utf-8'))
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66 sys.stderr.flush()
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67 # we call os._exit to avoid help to be printed by twisted
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68 import os
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69 os._exit(1)
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71
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72 def coerceConnectionType(value): # called from Libervia.OPT_PARAMETERS
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73 allowed_values = ('http', 'https', 'both')
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74 if value not in allowed_values:
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75 raise ValueError("%(given)s not in %(expected)s" % {'given': value, 'expected': str(allowed_values)})
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76 return value
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77
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78 def coerceDataDir(value): # called from Libervia.OPT_PARAMETERS
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79 if isinstance(value, unicode):
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80 # XXX: if value comes from sat.conf, it's unicode,
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81 # and we need byte str here (for twisted)
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82 value = value.encode('utf-8')
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83 value = value.encode('utf-8')
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84 html = os.path.join(value, C.HTML_DIR)
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85 if not os.path.isfile(os.path.join(html, C.LIBERVIA_MAIN_PAGE)):
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86 raise ValueError("%s is not a Libervia's browser HTML directory" % os.path.realpath(html))
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87 themes_dir = os.path.join(value, C.THEMES_DIR)
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88 if not os.path.isfile(os.path.join(themes_dir, 'default/styles/blog.css')):
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89 raise ValueError("%s is not a Libervia's server data directory" % os.path.realpath(themes_dir))
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90 return value
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91
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92 def coerceBool(value):
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93 return C.bool(value)
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94
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95 def coerceUnicode(value):
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96 # XXX: we use this method to check which value to convert to Unicode
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97 # but we don't do the conversion here as Twisted expect str
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98 return value
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99
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100 DATA_DIR_DEFAULT = ''
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101 OPT_PARAMETERS_BOTH = [['connection_type', 't', 'https', _(u"'http', 'https' or 'both' (to launch both servers).").encode('utf-8'), coerceConnectionType],
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102 ['port', 'p', 8080, _(u'The port number to listen HTTP on.').encode('utf-8'), int],
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103 ['port_https', 's', 8443, _(u'The port number to listen HTTPS on.').encode('utf-8'), int],
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104 ['port_https_ext', 'e', 0, _(u'The external port number used for HTTPS (0 means port_https value).').encode('utf-8'), int],
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105 ['tls_private_key', '', '', _(u'TLS certificate private key (PEM format)').encode('utf-8'), coerceUnicode],
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106 ['tls_certificate', 'c', 'libervia.pem', _(u'TLS public certificate or private key and public certificate combined (PEM format)').encode('utf-8'), coerceUnicode],
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107 ['tls_chain', '', '', _(u'TLS certificate intermediate chain (PEM format)').encode('utf-8'), coerceUnicode],
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108 ['redirect_to_https', 'r', True, _(u'Automatically redirect from HTTP to HTTPS.').encode('utf-8'), coerceBool],
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109 ['security_warning', 'w', True, _(u'Warn user that he is about to connect on HTTP.').encode('utf-8'), coerceBool],
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110 ['passphrase', 'k', '', (_(u"Passphrase for the SàT profile named '%s'") % C.SERVICE_PROFILE).encode('utf-8'), coerceUnicode],
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111 ['data_dir', 'd', DATA_DIR_DEFAULT, _(u'Data directory for Libervia').encode('utf-8'), coerceDataDir],
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112 ['allow_registration', '', True, _(u'Allow user to register new account').encode('utf-8'), coerceBool],
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113 ['base_url_ext', '', '', _(u'The external URL to use as base URL').encode('utf-8'), coerceUnicode],
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114 ] # options which are in sat.conf and on command line, see https://twistedmatrix.com/documents/current/api/twisted.python.usage.Options.html
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115 # Options which are in sat.conf only
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116 OPT_PARAMETERS_CFG = [
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117 ['empty_password_allowed_warning_dangerous_list', None, '', None],
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118 ['url_redirections_profile', None, '', None],
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119 ['url_redirections_dict', None, {}, None],
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120 ['menu_json', None, C.DEFAULT_MENU, None],
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121 ]
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122
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123 def initialise(options):
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124 """Method to initialise global modules"""
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125 from twisted.internet import glib2reactor
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126 glib2reactor.install()
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127 # XXX: We need to configure logs before any log method is used, so here is the best place.
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128 from sat.core import log_config
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129 log_config.satConfigure(C.LOG_BACKEND_TWISTED, C, backend_data=options)
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130 from libervia.server import server
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131 # we can't import this file from libervia.server.server because it's not a true module
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132 # (there is no __init__.py file, as required by twistd plugin system), so we set the
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133 # global values from here
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134 server.DATA_DIR_DEFAULT = DATA_DIR_DEFAULT
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135 server.OPT_PARAMETERS_BOTH = OPT_PARAMETERS_BOTH
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136 server.OPT_PARAMETERS_CFG = OPT_PARAMETERS_CFG
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137 server.coerceDataDir = coerceDataDir
331
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138
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139
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140 class Options(usage.Options):
415
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141 # optArgs is not really useful in our case, we need more than a flag
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142 optParameters = OPT_PARAMETERS_BOTH
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143
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144 def __init__(self):
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145 """Read SàT configuration file in order to overwrite the hard-coded default values.
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146
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147 Priority for the usage of the values is (from lowest to highest):
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148 - hard-coded default values
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149 - values from SàT configuration files
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150 - values passed on the command line
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151 """
470
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152 # If we do it the reading later: after the command line options have been parsed, there's no good way to know
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153 # if the options values are the hard-coded ones or if they have been passed on the command line.
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154
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155 # FIXME: must be refactored + code can be factorised with backend
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156 config_parser = ConfigParser.SafeConfigParser()
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157 config_parser.read(C.CONFIG_FILES)
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158 self.handleDeprecated(config_parser)
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159 for param in self.optParameters + OPT_PARAMETERS_CFG:
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160 name = param[0]
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161 try:
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162 value = config.getConfig(config_parser, CONFIG_SECTION, name, Exception)
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163 if isinstance(value, unicode):
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164 value = value.encode('utf-8')
470
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165 try:
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166 param[2] = param[4](value)
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167 except IndexError: # the coerce method is optional
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168 param[2] = value
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169 except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
415
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170 pass
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171 usage.Options.__init__(self)
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172 for opt_data in OPT_PARAMETERS_CFG:
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173 self[opt_data[0]] = opt_data[2]
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174
811
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175 def handleDeprecated(self, config_parser):
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176 """display warning and/or change option when a deprecated option if found
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177
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178 param config_parser(ConfigParser): read ConfigParser instance for sat.conf
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179 """
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180 replacements = (('ssl_certificate', 'tls_certificate'),)
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181 for old, new in replacements:
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182 try:
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183 value = config.getConfig(config_parser, CONFIG_SECTION, old, Exception)
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184 except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
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185 pass
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186 else:
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187 print u"\n/!\\ Use of {old} is deprecated, please use {new} instead\n".format(old=old, new=new)
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188 config_parser.set(CONFIG_SECTION, new, value)
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189
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190
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191 class LiberviaMaker(object):
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192 implements(IServiceMaker, IPlugin)
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193
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194 tapname = C.APP_NAME_FILE
514
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195 description = _(u'The web frontend of Salut à Toi')
331
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196 options = Options
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197
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198 def makeService(self, options):
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199 for opt in OPT_PARAMETERS_BOTH:
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200 # FIXME: that's a ugly way to get unicode in Libervia
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201 # from command line or sat.conf
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202 # we should move to argparse and handle options this properly
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203 try:
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204 coerce_cb = opt[4]
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205 except IndexError:
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206 continue
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207 if coerce_cb == coerceUnicode:
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208 options[opt[0]] = options[opt[0]].decode('utf-8')
514
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209 initialise(options.parent)
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210 from libervia.server import server
810
3905bc24eb17 server: proper options handling
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diff changeset
211 return server.Libervia(options)
331
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212
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213
421
39b07289ff42 server_side: added parameter port_https_ext (external port for HTTPS, used for example for the redirection)
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diff changeset
214 # affectation to some variable is necessary for twisted introspection to work
331
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diff changeset
215 serviceMaker = LiberviaMaker()