summaryrefslogtreecommitdiff
path: root/louloulibs/xmpp/adhoc_commands_handler.cpp
blob: 46c8a325aa25bf1f02b0db859a1c1f9a9ad65dc1 (plain)
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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
#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;
}

std::map<const std::string, const AdhocCommand>& AdhocCommandsHandler::get_commands()
{
  return this->commands;
}

XmlNode AdhocCommandsHandler::handle_request(const std::string& executor_jid, 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())
    {
      XmlNode error(ADHOC_NS":error");
      error["type"] = "cancel";
      XmlNode condition(STANZA_NS":item-not-found");
      condition.close();
      error.add_child(std::move(condition));
      error.close();
      command_node.add_child(std::move(error));
    }
  else if (command_it->second.is_admin_only() &&
           Config::get("admin", "") != jid.local + "@" + jid.domain)
    {
      XmlNode error(ADHOC_NS":error");
      error["type"] = "cancel";
      XmlNode condition(STANZA_NS":forbidden");
      condition.close();
      error.add_child(std::move(condition));
      error.close();
      command_node.add_child(std::move(error));
    }
  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));
          TimedEventsManager::instance().add_event(TimedEvent(std::chrono::steady_clock::now() + 3600s,
                                                              std::bind(&AdhocCommandsHandler::remove_session, this, sessionid, executor_jid),
                                                              "adhocsession"s + sessionid + executor_jid));
        }
      auto session_it = this->sessions.find(std::make_pair(sessionid, executor_jid));
      if (session_it == this->sessions.end())
        {
          XmlNode error(ADHOC_NS":error");
          error["type"] = "modify";
          XmlNode condition(STANZA_NS":bad-request");
          condition.close();
          error.add_child(std::move(condition));
          error.close();
          command_node.add_child(std::move(error));
        }
      else if (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"s + sessionid + executor_jid);
            }
          else
            {
              command_node["status"] = "executing";
              XmlNode actions("actions");
              XmlNode next("next");
              next.close();
              actions.add_child(std::move(next));
              actions.close();
              command_node.add_child(std::move(actions));
            }
        }
      else if (action == "cancel")
        {
          this->sessions.erase(session_it);
          command_node["status"] = "canceled";
          TimedEventsManager::instance().cancel("adhocsession"s + sessionid + executor_jid);
        }
      else                      // unsupported action
        {
          XmlNode error(ADHOC_NS":error");
          error["type"] = "modify";
          XmlNode condition(STANZA_NS":bad-request");
          condition.close();
          error.add_child(std::move(condition));
          error.close();
          command_node.add_child(std::move(error));
        }
    }
  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");
}