Mercurial > libervia-backend
annotate sat_frontends/jp/cmd_pipe.py @ 3492:fa796612adad
plugin XEP-0277: better resilience to broken items:
- if `author` element can't be found, `publisher` attribute, then `IQ`'s `from` attributes
are used as fallback to find author jid
- fix categories (tags) parsing if `author` element is not found
- remove items which have failed parsing from `mbGet` results (instead of using `None`).
author | Goffi <goffi@goffi.org> |
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date | Sat, 27 Mar 2021 14:38:27 +0100 |
parents | be6d91572633 |
children | 524856bd7b19 |
rev | line source |
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3137 | 1 #!/usr/bin/env python3 |
2 | |
815 | 3 |
4 # jp: a SAT command line tool | |
3479 | 5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
815 | 6 |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
3040 | 20 import socket |
21 import asyncio | |
22 import errno | |
23 from functools import partial | |
817 | 24 from sat_frontends.jp import base |
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25 from sat_frontends.jp.constants import Const as C |
3040 | 26 from sat_frontends.jp import xmlui_manager |
817 | 27 import sys |
814 | 28 from sat.core.i18n import _ |
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29 from sat_frontends.tools import jid |
0 | 30 |
817 | 31 __commands__ = ["Pipe"] |
0 | 32 |
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33 START_PORT = 9999 |
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34 |
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35 |
817 | 36 class PipeOut(base.CommandBase): |
37 def __init__(self, host): | |
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38 super(PipeOut, self).__init__(host, "out", help=_("send a pipe a stream")) |
393 | 39 |
817 | 40 def add_parser_options(self): |
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41 self.parser.add_argument( |
3028 | 42 "jid", help=_("the destination jid") |
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43 ) |
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44 |
3040 | 45 async def start(self): |
46 """ Create named pipe, and send stdin to it """ | |
47 try: | |
48 port = await self.host.bridge.streamOut( | |
49 await self.host.get_full_jid(self.args.jid), | |
50 self.profile, | |
51 ) | |
52 except Exception as e: | |
53 self.disp(f"can't start stream: {e}", error=True) | |
54 self.host.quit(C.EXIT_BRIDGE_ERRBACK) | |
55 else: | |
56 # FIXME: we use temporarily blocking code here, as it simplify | |
57 # asyncio port: "loop.connect_read_pipe(lambda: reader_protocol, | |
58 # sys.stdin.buffer)" doesn't work properly when a file is piped in | |
59 # (we get a "ValueError: Pipe transport is for pipes/sockets only.") | |
60 # while it's working well for simple text sending. | |
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61 |
3040 | 62 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
63 s.connect(("127.0.0.1", int(port))) | |
64 | |
65 while True: | |
66 buf = sys.stdin.buffer.read(4096) | |
67 if not buf: | |
68 break | |
69 try: | |
70 s.sendall(buf) | |
71 except socket.error as e: | |
72 if e.errno == errno.EPIPE: | |
73 sys.stderr.write(f"e\n") | |
74 self.host.quit(1) | |
75 else: | |
76 raise e | |
77 self.host.quit() | |
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78 |
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79 |
3040 | 80 async def handle_stream_in(reader, writer, host): |
81 """Write all received data to stdout""" | |
82 while True: | |
83 data = await reader.read(4096) | |
84 if not data: | |
85 break | |
86 sys.stdout.buffer.write(data) | |
87 try: | |
88 sys.stdout.flush() | |
89 except IOError as e: | |
90 sys.stderr.write(f"{e}\n") | |
91 break | |
92 host.quitFromSignal() | |
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93 |
817 | 94 |
95 class PipeIn(base.CommandAnswering): | |
96 def __init__(self, host): | |
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97 super(PipeIn, self).__init__(host, "in", help=_("receive a pipe stream")) |
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98 self.action_callbacks = {"STREAM": self.onStreamAction} |
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99 |
817 | 100 def add_parser_options(self): |
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101 self.parser.add_argument( |
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102 "jids", |
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103 nargs="*", |
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104 help=_('Jids accepted (none means "accept everything")'), |
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105 ) |
0 | 106 |
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107 def getXmluiId(self, action_data): |
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108 try: |
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109 xml_ui = action_data["xmlui"] |
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110 except KeyError: |
3028 | 111 self.disp(_("Action has no XMLUI"), 1) |
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112 else: |
3040 | 113 ui = xmlui_manager.create(self.host, xml_ui) |
114 if not ui.submit_id: | |
3028 | 115 self.disp(_("Invalid XMLUI received"), error=True) |
3040 | 116 self.quitFromSignal(C.EXIT_INTERNAL_ERROR) |
117 return ui.submit_id | |
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118 |
3040 | 119 async def onStreamAction(self, action_data, action_id, security_limit, profile): |
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120 xmlui_id = self.getXmluiId(action_data) |
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121 if xmlui_id is None: |
3040 | 122 self.host.quitFromSignal(C.EXIT_ERROR) |
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123 try: |
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124 from_jid = jid.JID(action_data["meta_from_jid"]) |
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125 except KeyError: |
3040 | 126 self.disp(_("Ignoring action without from_jid data"), error=True) |
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127 return |
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128 |
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129 if not self.bare_jids or from_jid.bare in self.bare_jids: |
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130 host, port = "localhost", START_PORT |
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131 while True: |
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132 try: |
3040 | 133 server = await asyncio.start_server( |
134 partial(handle_stream_in, host=self.host), host, port) | |
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135 except socket.error as e: |
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136 if e.errno == errno.EADDRINUSE: |
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137 port += 1 |
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138 else: |
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139 raise e |
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140 else: |
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141 break |
3028 | 142 xmlui_data = {"answer": C.BOOL_TRUE, "port": str(port)} |
3040 | 143 await self.host.bridge.launchAction( |
144 xmlui_id, xmlui_data, profile_key=profile) | |
145 async with server: | |
146 await server.serve_forever() | |
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147 self.host.quitFromSignal() |
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148 |
3040 | 149 async def start(self): |
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150 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids] |
3040 | 151 await self.start_answering() |
817 | 152 |
153 | |
154 class Pipe(base.CommandBase): | |
155 subcommands = (PipeOut, PipeIn) | |
156 | |
157 def __init__(self, host): | |
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158 super(Pipe, self).__init__( |
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159 host, "pipe", use_profile=False, help=_("stream piping through XMPP") |
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160 ) |