annotate libervia/backend/plugins/plugin_misc_download.py @ 4090:e9d800b105c1

cli (event): minor typo
author Goffi <goffi@goffi.org>
date Thu, 08 Jun 2023 21:28:40 +0200
parents 4b842c1fb686
children 0d7bb4df2343
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1 #!/usr/bin/env python3
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2
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3 # SAT plugin for downloading files
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 import hashlib
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20 from pathlib import Path
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21 from typing import Any, Dict, Optional, Union, Tuple, Callable
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22 from urllib.parse import unquote, urlparse
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23
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24 import treq
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25 from twisted.internet import defer
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26 from twisted.words.protocols.jabber import error as jabber_error
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27
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28 from libervia.backend.core import exceptions
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29 from libervia.backend.core.constants import Const as C
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30 from libervia.backend.core.core_types import SatXMPPEntity
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31 from libervia.backend.core.i18n import D_, _
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32 from libervia.backend.core.log import getLogger
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33 from libervia.backend.tools import xml_tools
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34 from libervia.backend.tools import stream
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35 from libervia.backend.tools.common import data_format
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36 from libervia.backend.tools.web import treq_client_no_ssl
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37
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38 log = getLogger(__name__)
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39
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40
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41 PLUGIN_INFO = {
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42 C.PI_NAME: "File Download",
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43 C.PI_IMPORT_NAME: "DOWNLOAD",
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44 C.PI_TYPE: C.PLUG_TYPE_MISC,
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45 C.PI_MODES: C.PLUG_MODE_BOTH,
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46 C.PI_MAIN: "DownloadPlugin",
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47 C.PI_HANDLER: "no",
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48 C.PI_DESCRIPTION: _("""File download management"""),
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49 }
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50
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51
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52 class DownloadPlugin(object):
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53
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54 def __init__(self, host):
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55 log.info(_("plugin Download initialization"))
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56 self.host = host
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57 host.bridge.add_method(
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58 "file_download",
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59 ".plugin",
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60 in_sign="ssss",
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61 out_sign="s",
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62 method=self._file_download,
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63 async_=True,
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64 )
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65 host.bridge.add_method(
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66 "file_download_complete",
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67 ".plugin",
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68 in_sign="ssss",
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69 out_sign="s",
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70 method=self._file_download_complete,
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71 async_=True,
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72 )
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73 self._download_callbacks = {}
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74 self._scheme_callbacks = {}
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75 self.register_scheme('http', self.download_http)
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76 self.register_scheme('https', self.download_http)
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77
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78 def _file_download(
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79 self, attachment_s: str, dest_path: str, extra_s: str, profile: str
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80 ) -> defer.Deferred:
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81 d = defer.ensureDeferred(self.file_download(
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82 self.host.get_client(profile),
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83 data_format.deserialise(attachment_s),
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84 Path(dest_path),
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85 data_format.deserialise(extra_s)
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86 ))
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87 d.addCallback(lambda ret: data_format.serialise(ret))
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88 return d
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89
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90 async def file_download(
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91 self,
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92 client: SatXMPPEntity,
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93 attachment: Dict[str, Any],
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94 dest_path: Path,
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95 extra: Optional[Dict[str, Any]] = None
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96 ) -> Dict[str, Any]:
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97 """Download a file using best available method
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98
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99 parameters are the same as for [download]
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100 @return (dict): action dictionary, with progress id in case of success, else xmlui
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101 message
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102 """
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103 try:
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104 progress_id, __ = await self.download(client, attachment, dest_path, extra)
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105 except Exception as e:
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106 if (isinstance(e, jabber_error.StanzaError)
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107 and e.condition == 'not-acceptable'):
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108 reason = e.text
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109 else:
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110 reason = str(e)
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111 msg = D_("Can't download file: {reason}").format(reason=reason)
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112 log.warning(msg)
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113 return {
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114 "xmlui": xml_tools.note(
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115 msg, D_("Can't download file"), C.XMLUI_DATA_LVL_WARNING
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116 ).toXml()
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117 }
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118 else:
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119 return {"progress": progress_id}
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120
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121 def _file_download_complete(
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122 self, attachment_s: str, dest_path: str, extra_s: str, profile: str
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123 ) -> defer.Deferred:
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124 d = defer.ensureDeferred(self.file_download_complete(
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125 self.host.get_client(profile),
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126 data_format.deserialise(attachment_s),
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127 Path(dest_path),
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128 data_format.deserialise(extra_s)
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129 ))
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130 d.addCallback(lambda path: str(path))
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131 return d
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132
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133 async def file_download_complete(
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134 self,
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135 client: SatXMPPEntity,
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136 attachment: Dict[str, Any],
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137 dest_path: Path,
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
138 extra: Optional[Dict[str, Any]] = None
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
139 ) -> str:
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 """Helper method to fully download a file and return its path
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
141
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 parameters are the same as for [download]
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 @return (str): path to the downloaded file
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
144 use empty string to store the file in cache
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 """
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
146 __, download_d = await self.download(client, attachment, dest_path, extra)
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
147 dest_path = await download_d
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 return dest_path
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
149
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
150 async def download_uri(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
151 self,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
152 client: SatXMPPEntity,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
153 uri: str,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
154 dest_path: Union[Path, str],
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
155 extra: Optional[Dict[str, Any]] = None
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
156 ) -> Tuple[str, defer.Deferred]:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
157 if extra is None:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
158 extra = {}
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 uri_parsed = urlparse(uri, 'http')
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
160 if dest_path:
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
161 dest_path = Path(dest_path)
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
162 cache_uid = None
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
163 else:
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
164 filename = Path(unquote(uri_parsed.path)).name.strip() or C.FILE_DEFAULT_NAME
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
165 # we don't use Path.suffixes because we don't want to have more than 2
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
166 # suffixes, but we still want to handle suffixes like "tar.gz".
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
167 stem, *suffixes = filename.rsplit('.', 2)
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
168 # we hash the URL to have an unique identifier, and avoid double download
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
169 url_hash = hashlib.sha256(uri_parsed.geturl().encode()).hexdigest()
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
170 cache_uid = f"{stem}_{url_hash}"
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3922
diff changeset
171 cache_data = client.cache.get_metadata(cache_uid)
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
172 if cache_data is not None:
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
173 # file is already in cache, we return it
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
174 download_d = defer.succeed(cache_data['path'])
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
175 return '', download_d
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
176 else:
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
177 # the file is not in cache
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
178 unique_name = '.'.join([cache_uid] + suffixes)
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3922
diff changeset
179 with client.cache.cache_data(
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
180 "DOWNLOAD", cache_uid, filename=unique_name) as f:
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
181 # we close the file and only use its name, the file will be opened
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
182 # by the registered callback
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
183 dest_path = Path(f.name)
3205
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
184
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
185 # should we check certificates?
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3922
diff changeset
186 check_certificate = self.host.memory.param_get_a(
3205
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
187 "check_certificate", "Connection", profile_key=client.profile)
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
188 if not check_certificate:
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
189 extra['ignore_tls_errors'] = True
3205
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
190 log.warning(
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
191 _("certificate check disabled for download, this is dangerous!"))
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
192
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 try:
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
194 callback = self._scheme_callbacks[uri_parsed.scheme]
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 except KeyError:
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 raise exceptions.NotFound(f"Can't find any handler for uri {uri}")
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 else:
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
198 try:
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
199 progress_id, download_d = await callback(
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
200 client, uri_parsed, dest_path, extra)
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
201 except Exception as e:
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
202 log.warning(_(
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
203 "Can't download URI {uri}: {reason}").format(
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
204 uri=uri, reason=e))
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
205 if cache_uid is not None:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
Goffi <goffi@goffi.org>
parents: 3922
diff changeset
206 client.cache.remove_from_cache(cache_uid)
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
207 elif dest_path.exists():
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
208 dest_path.unlink()
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
209 raise e
3187
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
210 download_d.addCallback(lambda __: dest_path)
d92a144f3589 plugin download: use cache if dest_path is empty:
Goffi <goffi@goffi.org>
parents: 3186
diff changeset
211 return progress_id, download_d
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
212
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
213
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
214 async def download(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
215 self,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
216 client: SatXMPPEntity,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
217 attachment: Dict[str, Any],
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
218 dest_path: Union[Path, str],
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
219 extra: Optional[Dict[str, Any]] = None
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
220 ) -> Tuple[str, defer.Deferred]:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
221 """Download a file from URI using suitable method
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
222
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
223 @param uri: URI to the file to download
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
224 @param dest_path: where the file must be downloaded
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
225 if empty string, the file will be stored in local path
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
226 @param extra: options depending on scheme handler
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
227 Some common options:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
228 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
229 used only if HTTPS transport is needed
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
230 @return: ``progress_id`` and a Deferred which fire download URL when download is
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
231 finished.
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
232 ``progress_id`` can be empty string if the file already exist and is not
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
233 downloaded again (can happen if cache is used with empty ``dest_path``).
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
234 """
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
235 uri = attachment.get("uri")
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
236 if uri:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
237 return await self.download_uri(client, uri, dest_path, extra)
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
238 else:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
239 for source in attachment.get("sources", []):
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
240 source_type = source.get("type")
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
241 if not source_type:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
242 log.warning(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
243 "source type is missing for source: {source}\nattachment: "
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
244 f"{attachment}"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
245 )
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
246 continue
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
247 try:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
248 cb = self._download_callbacks[source_type]
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
249 except KeyError:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
250 log.warning(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
251 f"no source handler registered for {source_type!r}"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
252 )
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
253 else:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
254 try:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
255 return await cb(client, attachment, source, dest_path, extra)
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
256 except exceptions.CancelError as e:
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
257 # the handler can't or doesn't want to handle this source
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
258 log.debug(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
259 f"Following source handling by {cb} has been cancelled ({e}):"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
260 f"{source}"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
261 )
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
262
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
263 log.warning(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
264 "no source could be handled, we can't download the attachment:\n"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
265 f"{attachment}"
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
266 )
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
267 raise exceptions.FeatureNotFound("no handler could manage the attachment")
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
268
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
269 def register_download_handler(
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
270 self,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
271 source_type: str,
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
272 callback: Callable[
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
273 [
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
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274 SatXMPPEntity, Dict[str, Any], Dict[str, Any], Union[str, Path],
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275 Dict[str, Any]
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276 ],
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Goffi <goffi@goffi.org>
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277 Tuple[str, defer.Deferred]
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Goffi <goffi@goffi.org>
parents: 3479
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278 ]
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
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279 ) -> None:
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Goffi <goffi@goffi.org>
parents: 3479
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280 """Register a handler to manage a type of attachment source
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Goffi <goffi@goffi.org>
parents: 3479
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281
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Goffi <goffi@goffi.org>
parents: 3479
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282 @param source_type: ``type`` of source handled
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Goffi <goffi@goffi.org>
parents: 3479
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283 This is usually the namespace of the protocol used
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Goffi <goffi@goffi.org>
parents: 3479
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284 @param callback: method to call to manage the source.
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
285 Call arguments are the same as for [download], with an extra ``source`` dict
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Goffi <goffi@goffi.org>
parents: 3479
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286 which is used just after ``attachment`` to give a quick reference to the
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
287 source used.
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Goffi <goffi@goffi.org>
parents: 3479
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288 The callabke must return a tuple with:
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Goffi <goffi@goffi.org>
parents: 3479
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289 - progress ID
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Goffi <goffi@goffi.org>
parents: 3479
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290 - a Deferred which fire whant the file is fully downloaded
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Goffi <goffi@goffi.org>
parents: 3479
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291 """
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
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292 if source_type is self._download_callbacks:
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
293 raise exceptions.ConflictError(
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Goffi <goffi@goffi.org>
parents: 3479
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294 f"The is already a callback registered for source type {source_type!r}"
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
295 )
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Goffi <goffi@goffi.org>
parents: 3479
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296 self._download_callbacks[source_type] = callback
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Goffi <goffi@goffi.org>
parents: 3479
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297
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Goffi <goffi@goffi.org>
parents: 3479
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298 def register_scheme(self, scheme: str, download_cb: Callable) -> None:
3088
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parents:
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299 """Register an URI scheme handler
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parents:
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300
3922
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Goffi <goffi@goffi.org>
parents: 3479
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301 @param scheme: URI scheme this callback is handling
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Goffi <goffi@goffi.org>
parents: 3479
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302 @param download_cb: callback to download a file
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
303 arguments are:
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Goffi <goffi@goffi.org>
parents:
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304 - (SatXMPPClient) client
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Goffi <goffi@goffi.org>
parents:
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305 - (urllib.parse.SplitResult) parsed URI
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Goffi <goffi@goffi.org>
parents:
diff changeset
306 - (Path) destination path where the file must be downloaded
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 - (dict) options
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Goffi <goffi@goffi.org>
parents:
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308 must return a tuple with progress_id and a Deferred which fire when download
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 is finished
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
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310 """
3922
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Goffi <goffi@goffi.org>
parents: 3479
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311 if scheme in self._scheme_callbacks:
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
312 raise exceptions.ConflictError(
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
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313 f"A method with scheme {scheme!r} is already registered"
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
314 )
3922
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Goffi <goffi@goffi.org>
parents: 3479
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315 self._scheme_callbacks[scheme] = download_cb
3088
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Goffi <goffi@goffi.org>
parents:
diff changeset
316
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
317 def unregister(self, scheme):
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Goffi <goffi@goffi.org>
parents:
diff changeset
318 try:
3922
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Goffi <goffi@goffi.org>
parents: 3479
diff changeset
319 del self._scheme_callbacks[scheme]
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
320 except KeyError:
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
321 raise exceptions.NotFound(f"No callback registered for scheme {scheme!r}")
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
322
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
323 def errback_download(self, file_obj, download_d, resp):
3186
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
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324 """Set file_obj and download deferred appropriatly after a network error
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
325
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
326 @param file_obj(SatFile): file where the download must be done
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
327 @param download_d(Deferred): deffered which must be fired on complete download
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
328 @param resp(treq.response.IResponse): treq response
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
329 """
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
330 msg = f"HTTP error ({resp.code}): {resp.phrase.decode()}"
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
331 file_obj.close(error=msg)
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
332 download_d.errback(exceptions.NetworkError(msg))
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
333
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
334 async def download_http(self, client, uri_parsed, dest_path, options):
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
335 url = uri_parsed.geturl()
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
336
3205
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
337 if options.get('ignore_tls_errors', False):
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
338 log.warning(
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
339 "TLS certificate check disabled, this is highly insecure"
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
340 )
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
341 treq_client = treq_client_no_ssl
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
342 else:
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
343 treq_client = treq
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
344
3211
4252176ad993 plugin download: clean unfinished files and re-raise exception in case of download error
Goffi <goffi@goffi.org>
parents: 3205
diff changeset
345 head_data = await treq_client.head(url)
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
346 try:
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 content_length = int(head_data.headers.getRawHeaders('content-length')[0])
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 except (KeyError, TypeError, IndexError):
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 content_length = None
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 log.debug(f"No content lenght found at {url}")
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 file_obj = stream.SatFile(
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 self.host,
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
353 client,
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
354 dest_path,
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 mode="wb",
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 size = content_length,
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
357 )
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
358
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
359 progress_id = file_obj.uid
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
360
3205
2c0628f3927e plugin download, aesgcm: disable TLS check if `check_certificate` setting is disabled
Goffi <goffi@goffi.org>
parents: 3187
diff changeset
361 resp = await treq_client.get(url, unbuffered=True)
3186
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
362 if resp.code == 200:
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
363 d = treq.collect(resp, file_obj.write)
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
364 d.addBoth(lambda _: file_obj.close())
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
365 else:
84b0c8b4dee0 plugin download, aesgcm: fixed handling of HTTP errors
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
366 d = defer.Deferred()
3922
0ff265725489 plugin XEP-0447: handle attachment and download:
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
367 self.errback_download(file_obj, d, resp)
3088
d1464548055a plugin file download: meta plugin to handle file download:
Goffi <goffi@goffi.org>
parents:
diff changeset
368 return progress_id, d