prosody
f15e23840780
plugins/adhoc/adhoc.lib.lua

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plugins/adhoc/adhoc.lib.lua @ 13124:f15e23840780

util.http: Implement parser for RFC 7239 Forwarded header Standardized and structured replacement for the X-Forwarded-For, X-Forwarded-Proto set of headers. Notably, this allows per-hop protocol information, unlike X-Forwarded-Proto which is always a single value for some reason.
author Kim Alvefur <zash@zash.se>
date Sat, 03 Jun 2023 16:15:52 +0200
parent 13020:3174308d127e
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1 -- Copyright (C) 2009-2010 Florian Zeitz
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2 --
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3 -- This file is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6
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7 local st, uuid = require "prosody.util.stanza", require "prosody.util.uuid";
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8
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9 local xmlns_cmd = "http://jabber.org/protocol/commands";
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10
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11 local states = {}
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12
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13 local _M = {};
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14
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15 local function _cmdtag(desc, status, sessionid, action)
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16 local cmd = st.stanza("command", { xmlns = xmlns_cmd, node = desc.node, status = status });
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17 if sessionid then cmd.attr.sessionid = sessionid; end
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18 if action then cmd.attr.action = action; end
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19
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20 return cmd;
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21 end
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22
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23 function _M.new(name, node, handler, permission)
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24 if not permission then
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25 error "adhoc.new() expects a permission argument, none given"
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26 elseif permission == "user" then
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27 error "the permission mode 'user' has been renamed 'any', please update your code"
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28 end
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29 if permission == "admin" then
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30 module:default_permission("prosody:admin", "adhoc:"..node);
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31 permission = "check";
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32 elseif permission == "global_admin" then
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33 module:default_permission("prosody:operator", "adhoc:"..node);
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34 permission = "check";
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35 end
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36 return { name = name, node = node, handler = handler, cmdtag = _cmdtag, permission = permission };
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37 end
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38
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39 function _M.handle_cmd(command, origin, stanza)
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40 local cmdtag = stanza.tags[1]
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41 local sessionid = cmdtag.attr.sessionid or uuid.generate();
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42 local dataIn = {
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43 origin = origin;
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44 stanza = stanza;
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45 to = stanza.attr.to;
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46 from = stanza.attr.from;
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47 action = cmdtag.attr.action or "execute";
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48 form = cmdtag:get_child("x", "jabber:x:data");
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49 };
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50
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51 local data, state = command:handler(dataIn, states[sessionid]);
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52 states[sessionid] = state;
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53 local cmdreply;
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54 if data.status == "completed" then
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55 states[sessionid] = nil;
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56 cmdreply = command:cmdtag("completed", sessionid);
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57 elseif data.status == "canceled" then
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58 states[sessionid] = nil;
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59 cmdreply = command:cmdtag("canceled", sessionid);
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60 elseif data.status == "error" then
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61 states[sessionid] = nil;
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62 local reply = st.error_reply(stanza, data.error);
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63 origin.send(reply);
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64 return true;
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65 else
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66 cmdreply = command:cmdtag("executing", sessionid);
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67 data.actions = data.actions or { "complete" };
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68 end
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69
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70 for name, content in pairs(data) do
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71 if name == "info" then
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72 cmdreply:tag("note", {type="info"}):text(content):up();
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73 elseif name == "warn" then
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74 cmdreply:tag("note", {type="warn"}):text(content):up();
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75 elseif name == "error" then
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76 cmdreply:tag("note", {type="error"}):text(content.message):up();
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77 elseif name == "actions" then
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78 local actions = st.stanza("actions", { execute = content.default });
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79 for _, action in ipairs(content) do
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80 if (action == "prev") or (action == "next") or (action == "complete") then
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81 actions:tag(action):up();
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82 else
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83 module:log("error", "Command %q at node %q provided an invalid action %q",
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84 command.name, command.node, action);
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85 end
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86 end
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87 cmdreply:add_child(actions);
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88 elseif name == "form" then
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89 cmdreply:add_child((content.layout or content):form(content.values));
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90 elseif name == "result" then
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91 cmdreply:add_child((content.layout or content):form(content.values, "result"));
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92 elseif name == "other" then
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93 cmdreply:add_child(content);
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94 end
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95 end
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96 local reply = st.reply(stanza);
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97 reply:add_child(cmdreply);
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98 origin.send(reply);
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99
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100 return true;
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101 end
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102
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103 return _M;