1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
#include <xmpp/adhoc_commands_handler.hpp>
#include <xmpp/xmpp_component.hpp>
#include <utils/timed_events.hpp>
#include <logger/logger.hpp>
#include <config/config.hpp>
#include <xmpp/jid.hpp>
#include <iostream>
using namespace std::string_literals;
const std::map<const std::string, const AdhocCommand>& AdhocCommandsHandler::get_commands() const
{
return this->commands;
}
void AdhocCommandsHandler::add_command(std::string name, AdhocCommand command)
{
const auto found = this->commands.find(name);
if (found != this->commands.end())
throw std::runtime_error("Trying to add an ad-hoc command that already exist: " + name);
this->commands.emplace(std::make_pair(std::move(name), std::move(command)));
}
XmlNode AdhocCommandsHandler::handle_request(const std::string& executor_jid, const std::string& to, XmlNode command_node)
{
std::string action = command_node.get_tag("action");
if (action.empty())
action = "execute";
command_node.del_tag("action");
Jid jid(executor_jid);
const std::string node = command_node.get_tag("node");
auto command_it = this->commands.find(node);
if (command_it == this->commands.end())
{
XmlSubNode error(command_node, ADHOC_NS":error");
error["type"] = "cancel";
XmlSubNode condition(error, STANZA_NS":item-not-found");
}
else if (command_it->second.is_admin_only() &&
!Config::is_in_list("admin", jid.bare()))
{
XmlSubNode error(command_node, ADHOC_NS":error");
error["type"] = "cancel";
XmlSubNode condition(error, STANZA_NS":forbidden");
}
else
{
std::string sessionid = command_node.get_tag("sessionid");
if (sessionid.empty())
{ // create a new session, with a new id
sessionid = XmppComponent::next_id();
command_node["sessionid"] = sessionid;
this->sessions.emplace(std::piecewise_construct,
std::forward_as_tuple(sessionid, executor_jid),
std::forward_as_tuple(command_it->second, executor_jid, to));
TimedEventsManager::instance().add_event(TimedEvent(std::chrono::steady_clock::now() + 3600s,
std::bind(&AdhocCommandsHandler::remove_session, this, sessionid, executor_jid),
"adhocsession" + sessionid + executor_jid));
}
auto session_it = this->sessions.find(std::make_pair(sessionid, executor_jid));
if ((session_it != this->sessions.end()) &&
(action == "execute" || action == "next" || action == "complete"))
{
// execute the step
AdhocSession& session = session_it->second;
const AdhocStep& step = session.get_next_step();
step(this->xmpp_component, session, command_node);
if (session.remaining_steps() == 0 ||
session.is_terminated())
{
this->sessions.erase(session_it);
command_node["status"] = "completed";
TimedEventsManager::instance().cancel("adhocsession" + sessionid + executor_jid);
}
else
{
command_node["status"] = "executing";
XmlSubNode actions(command_node, "actions");
if (session.remaining_steps() == 1)
XmlSubNode next(actions, "complete");
else
XmlSubNode next(actions, "next");
}
}
else if (session_it != this->sessions.end() && action == "cancel")
{
this->sessions.erase(session_it);
command_node["status"] = "canceled";
TimedEventsManager::instance().cancel("adhocsession" + sessionid + executor_jid);
}
else // unsupported action
{
XmlSubNode error(command_node, ADHOC_NS":error");
error["type"] = "modify";
XmlSubNode condition(error, STANZA_NS":bad-request");
}
}
return command_node;
}
void AdhocCommandsHandler::remove_session(const std::string& session_id, const std::string& initiator_jid)
{
auto session_it = this->sessions.find(std::make_pair(session_id, initiator_jid));
if (session_it != this->sessions.end())
{
this->sessions.erase(session_it);
return ;
}
log_error("Tried to remove ad-hoc session for [", session_id, ", ", initiator_jid, "] but none found");
}
|
