Mercurial > libervia-backend
annotate libervia/cli/cmd_pipe.py @ 4309:b56b1eae7994
component email gateway: add multicasting:
XEP-0033 multicasting is now supported both for incoming and outgoing messages. XEP-0033
metadata are converted to suitable Email headers and vice versa.
Email address and JID are both supported, and delivery is done by the gateway when
suitable on incoming messages.
rel 450
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 26 Sep 2024 16:12:01 +0200 |
| parents | 0d7bb4df2343 |
| children |
| rev | line source |
|---|---|
| 3137 | 1 #!/usr/bin/env python3 |
| 2 | |
| 815 | 3 |
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4 # Libervia CLI |
| 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 asyncio |
| 21 import errno | |
| 22 from functools import partial | |
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23 import socket |
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24 import sys |
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25 |
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26 from libervia.backend.core.i18n import _ |
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27 from libervia.backend.tools.common import data_format |
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28 from libervia.cli import base |
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29 from libervia.cli import xmlui_manager |
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30 from libervia.cli.constants import Const as C |
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31 from libervia.frontends.tools import jid |
| 0 | 32 |
| 817 | 33 __commands__ = ["Pipe"] |
| 0 | 34 |
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35 START_PORT = 9999 |
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36 |
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37 |
| 817 | 38 class PipeOut(base.CommandBase): |
| 39 def __init__(self, host): | |
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40 super(PipeOut, self).__init__(host, "out", help=_("send a pipe a stream")) |
| 393 | 41 |
| 817 | 42 def add_parser_options(self): |
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43 self.parser.add_argument("jid", help=_("the destination jid")) |
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44 |
| 3040 | 45 async def start(self): |
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46 """Create named pipe, and send stdin to it""" |
| 3040 | 47 try: |
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48 port = await self.host.bridge.stream_out( |
| 3040 | 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 | |
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92 host.quit_from_signal() |
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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.on_stream_action} |
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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 get_xmlui_id(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) |
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116 self.quit_from_signal(C.EXIT_INTERNAL_ERROR) |
| 3040 | 117 return ui.submit_id |
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118 |
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119 async def on_stream_action(self, action_data, action_id, security_limit, profile): |
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120 xmlui_id = self.get_xmlui_id(action_data) |
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121 if xmlui_id is None: |
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122 self.host.quit_from_signal(C.EXIT_ERROR) |
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123 try: |
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124 from_jid = jid.JID(action_data["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( |
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134 partial(handle_stream_in, host=self.host), host, port |
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135 ) |
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136 except socket.error as e: |
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137 if e.errno == errno.EADDRINUSE: |
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138 port += 1 |
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139 else: |
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140 raise e |
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141 else: |
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142 break |
| 3028 | 143 xmlui_data = {"answer": C.BOOL_TRUE, "port": str(port)} |
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144 await self.host.bridge.action_launch( |
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145 xmlui_id, data_format.serialise(xmlui_data), profile_key=profile |
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146 ) |
| 3040 | 147 async with server: |
| 148 await server.serve_forever() | |
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149 self.host.quit_from_signal() |
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150 |
| 3040 | 151 async def start(self): |
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152 self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids] |
| 3040 | 153 await self.start_answering() |
| 817 | 154 |
| 155 | |
| 156 class Pipe(base.CommandBase): | |
| 157 subcommands = (PipeOut, PipeIn) | |
| 158 | |
| 159 def __init__(self, host): | |
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160 super(Pipe, self).__init__( |
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161 host, "pipe", use_profile=False, help=_("stream piping through XMPP") |
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162 ) |