annotate src/plugins/plugin_misc_upload.py @ 2088:c02f96756d5c

core: bridge can now be changed in conf by default DBus bridge is used, but this can be changed in sat.conf's DEFAULT section using "bridge" option. bridge can be "dbus" (or equivalent "dbus_bridge") or embedded at the moment. Bridge name used is saved in SAT.bridge_name, and load_bridge method can be used by frontends.
author Goffi <goffi@goffi.org>
date Sun, 04 Dec 2016 18:16:37 +0100
parents 2daf7b4c6756
children 1d3f73e065e1
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1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for file tansfer
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5 # Copyright (C) 2009-2016 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
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20 from sat.core.i18n import _, D_
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21 from sat.core.constants import Const as C
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22 from sat.core.log import getLogger
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23 log = getLogger(__name__)
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24 from sat.core import exceptions
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25 from sat.tools import xml_tools
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26 from twisted.internet import defer
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27 from twisted.words.protocols.jabber import jid
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28 import os
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29 import os.path
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30
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31
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32 PLUGIN_INFO = {
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33 "name": "File Upload",
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34 "import_name": "UPLOAD",
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35 "type": C.PLUG_TYPE_MISC,
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36 "main": "UploadPlugin",
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37 "handler": "no",
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38 "description": _("""File upload management""")
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39 }
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41
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42 UPLOADING = D_(u'Please select a file to upload')
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43 UPLOADING_TITLE = D_(u'File upload')
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44 BOOL_OPTIONS = ('ignore_tls_errors',)
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45
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46
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47 class UploadPlugin(object):
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48 # TODO: plugin unload
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49
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50 def __init__(self, host):
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51 log.info(_("plugin Upload initialization"))
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52 self.host = host
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53 host.bridge.addMethod("fileUpload", ".plugin", in_sign='sssa{ss}s', out_sign='a{ss}', method=self._fileUpload, async=True)
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54 self._upload_callbacks = []
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55
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56 def _fileUpload(self, filepath, filename, upload_jid_s='', options=None, profile=C.PROF_KEY_NONE):
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57 client = self.host.getClient(profile)
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58 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None
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59 if options is None:
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60 options = {}
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61 # we convert values that are well-known booleans
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62 for bool_option in BOOL_OPTIONS:
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63 try:
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64 options[bool_option] = C.bool(options[bool_option])
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65 except KeyError:
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66 pass
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67
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68 return self.fileUpload(client, filepath, filename or None, upload_jid, options or None)
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69
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70 def fileUpload(self, client, filepath, filename, upload_jid, options):
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71 """Send a file using best available method
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72
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73 parameters are the same as for [upload]
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74 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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75 """
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76 def uploadCb(data):
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77 progress_id, dummy = data
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78 return {'progress': progress_id}
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79
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80 def uploadEb(fail):
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81 msg = unicode(fail)
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82 log.warning(msg)
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83 return {'xmlui': xml_tools.note(u"Can't upload file", msg, C.XMLUI_DATA_LVL_WARNING).toXml()}
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84
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85 d = self.upload(client, filepath, filename, upload_jid, options)
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86 d.addCallback(uploadCb)
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87 d.addErrback(uploadEb)
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88 return d
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89
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90 @defer.inlineCallbacks
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91 def upload(self, client, filepath, filename=None, upload_jid=None, options=None):
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92 """Send a file using best available method
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93
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94 @param filepath(str): absolute path to the file
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95 @param filename(None, unicode): name to use for the upload
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96 None to use basename of the path
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97 @param upload_jid(jid.JID, None): upload capable entity jid,
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98 or None to use autodetected, if possible
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99 @param options(dict): option to use for the upload, may be:
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100 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
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101 used only if HTTPS transport is needed
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102 @param profile: %(doc_profile)s
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103 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire download URL
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parents: 1766
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104 when upload is finished
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105 """
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106 if options is None:
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107 options = {}
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108 if not os.path.isfile(filepath):
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109 raise exceptions.DataError(u"The given path doesn't link to a file")
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110 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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111 try:
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112 upload_jid = yield available_cb(upload_jid, client.profile)
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113 except exceptions.NotFound:
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114 continue # no entity managing this extension found
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115
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116 log.info(u"{name} method will be used to upload the file".format(name=method_name))
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117 progress_id_d, download_d = yield defer.maybeDeferred(upload_cb, filepath, filename, upload_jid, options, client.profile)
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118 progress_id = yield progress_id_d
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119 defer.returnValue((progress_id, download_d))
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120
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121 raise exceptions.NotFound(u"Can't find any method to upload a file")
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122
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Goffi <goffi@goffi.org>
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123 def register(self, method_name, available_cb, upload_cb, priority=0):
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124 """Register a fileUploading method
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Goffi <goffi@goffi.org>
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125
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Goffi <goffi@goffi.org>
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126 @param method_name(unicode): short name for the method, must be unique
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127 @param available_cb(callable): method to call to check if this method is usable
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Goffi <goffi@goffi.org>
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128 the callback must take two arguments: upload_jid (can be None) and profile
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Goffi <goffi@goffi.org>
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129 the callback must return the first entity found (being upload_jid or one of its components)
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130 exceptions.NotFound must be raised if no entity has been found
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131 @param upload_cb(callable): method to upload a file
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Goffi <goffi@goffi.org>
parents: 1766
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132 must have the same signature as [fileUpload]
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parents: 1766
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133 must return a tuple with progress_id and a Deferred which fire download URL when
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Goffi <goffi@goffi.org>
parents: 1766
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134 upload is finished
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135 @param priority(int): pririoty of this method, the higher available will be used
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Goffi <goffi@goffi.org>
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136 """
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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137 assert method_name
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
parents:
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138 for data in self._upload_callbacks:
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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139 if method_name == data[0]:
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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140 raise exceptions.ConflictError(u'A method with this name is already registered')
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Goffi <goffi@goffi.org>
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141 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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parents: 1766
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142 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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143
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
parents:
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144 def unregister(self, method_name):
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Goffi <goffi@goffi.org>
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145 for idx, data in enumerate(self._upload_callbacks):
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Goffi <goffi@goffi.org>
parents:
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146 if data[0] == method_name:
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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147 del [idx]
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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148 return
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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149 raise exceptions.NotFound(u"The name to unregister doesn't exist")