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annotate src/server/session_iface.py @ 979:1d558dfb32ca

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server: pages redirection: when using a redirection dict, a new "page" key can be used to redirect to a named page. "args" can be added to specified named arguments to set (will be put in request.args, in addition to existing ones). The redirection is done dynamically, during the request workflow.
author Goffi <goffi@goffi.org>
date Sun, 12 Nov 2017 12:56:46 +0100
parents fd4eae654182
children f88325b56a6a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 SAT frontend
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5 # Copyright (C) 2009-2017 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 from zope.interface import Interface, Attribute, implements
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20 from sat.tools.common import data_objects
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21 import shortuuid
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22
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23 FLAGS_KEY = '_flags'
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24
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25 class ISATSession(Interface):
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26 profile = Attribute("Sat profile")
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27 jid = Attribute("JID associated with the profile")
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28 uuid = Attribute("uuid associated with the profile session")
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29 identities = Attribute("Identities of XMPP entities")
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30
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31
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32 class SATSession(object):
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33 implements(ISATSession)
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34
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35 def __init__(self, session):
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36 self.profile = None
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37 self.jid = None
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38 self.uuid = unicode(shortuuid.uuid())
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39 self.identities = data_objects.Identities()
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40 self.csrf_token = unicode(shortuuid.uuid())
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41 self.pages_data = {} # used to keep data accross reloads (key is page instance)
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42
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43 def getPageData(self, page, key):
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44 """get session data for a page
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45
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46 @param page(LiberviaPage): instance of the page
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47 @param key(object): data key
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48 return (None, object): value of the key
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49 None if not found or page_data doesn't exist
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50 """
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51 return self.pages_data.get(page, {}).get(key)
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52
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53 def popPageData(self, page, key, default=None):
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54 """like getPageData, but remove key once value is gotten
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55
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56 @param page(LiberviaPage): instance of the page
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57 @param key(object): data key
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58 @param default(object): value to return if key is not found
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59 @return (object): found value or default
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60 """
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61 page_data = self.pages_data.get(page)
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62 if page_data is None:
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63 return default
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64 value = page_data.pop(key, default)
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65 if not page_data:
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66 # no need to keep unused page_data
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67 del self.pages_data[page]
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68 return value
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69
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70 def setPageData(self, page, key, value):
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71 """set data to persist on reload
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72
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73 @param page(LiberviaPage): instance of the page
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74 @param key(object): data key
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75 @param value(object): value to set
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76 @return (object): set value
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77 """
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78 page_data = self.pages_data.setdefault(page, {})
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79 page_data[key] = value
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80 return value
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81
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82 def setPageFlag(self, page, flag):
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83 """set a flag for this page
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84
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85 @param page(LiberviaPage): instance of the page
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86 @param flag(unicode): flag to set
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87 """
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88 flags = self.getPageData(page, FLAGS_KEY)
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89 if flags is None:
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90 flags = self.setPageData(page, FLAGS_KEY, set())
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91 flags.add(flag)
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92
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93 def popPageFlag(self, page, flag):
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94 """return True if flag is set
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95
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96 flag is removed if it was set
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97 @param page(LiberviaPage): instance of the page
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98 @param flag(unicode): flag to set
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99 @return (bool): True if flaag was set
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100 """
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101 page_data = self.pages_data.get(page, {})
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102 flags = page_data.get(FLAGS_KEY)
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103 if flags is None:
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104 return False
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105 if flag in flags:
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106 flags.remove(flag)
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107 # we remove data if they are not used anymore
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108 if not flags:
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109 del page_data[FLAGS_KEY]
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110 if not page_data:
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111 del self.pages_data[page]
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112 return True
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113 else:
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114 return False
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117 class ISATGuestSession(Interface):
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118 id = Attribute("UUID of the guest")
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119 data = Attribute("data associated with the guest")
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121
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122 class SATGuestSession(object):
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123 implements(ISATGuestSession)
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124
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125 def __init__(self, session):
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126 self.id = None
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127 self.data = None