prosody
3be63719428e
core/sessionmanager.lua

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core/sessionmanager.lua @ 329:3be63719428e

Allow us to close client connections, with or without a stream error. Partially fixes #8, we still need the same for s2s (though it should be almost a straight copy of the code, I'm too tired atm)
author Matthew Wild <mwild1@gmail.com>
date Tue, 18 Nov 2008 05:13:29 +0000
parent 317:dcb5bce69a0f
child 331:830fd67f9378
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1
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2 local tonumber, tostring = tonumber, tostring;
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3 local ipairs, pairs, print, next= ipairs, pairs, print, next;
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4 local collectgarbage = collectgarbage;
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5 local m_random = import("math", "random");
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6 local format = import("string", "format");
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7
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8 local hosts = hosts;
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9 local sessions = sessions;
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10
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11 local modulemanager = require "core.modulemanager";
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12 local log = require "util.logger".init("sessionmanager");
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13 local error = error;
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14 local uuid_generate = require "util.uuid".generate;
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15 local rm_load_roster = require "core.rostermanager".load_roster;
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17 local newproxy = newproxy;
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18 local getmetatable = getmetatable;
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20 module "sessionmanager"
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21
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22 local open_sessions = 0;
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24 function new_session(conn)
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25 local session = { conn = conn, priority = 0, type = "c2s_unauthed" };
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26 if true then
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27 session.trace = newproxy(true);
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28 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; print("Session got collected, now "..open_sessions.." sessions are allocated") end;
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29 end
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30 open_sessions = open_sessions + 1;
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31 local w = conn.write;
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32 session.send = function (t) w(tostring(t)); end
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33 return session;
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34 end
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36 function destroy_session(session)
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37 (session.log or log)("info", "Destroying session");
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38 if session.host and session.username then
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39 if session.resource then
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40 hosts[session.host].sessions[session.username].sessions[session.resource] = nil;
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41 end
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42 if hosts[session.host] and hosts[session.host].sessions[session.username] then
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43 if not next(hosts[session.host].sessions[session.username].sessions) then
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44 log("debug", "All resources of %s are now offline", session.username);
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45 hosts[session.host].sessions[session.username] = nil;
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46 end
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47 end
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48 end
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49 session.conn = nil;
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50 session.disconnect = nil;
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51 for k in pairs(session) do
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52 if k ~= "trace" then
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53 session[k] = nil;
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54 end
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55 end
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56 end
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57
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58 function make_authenticated(session, username)
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59 session.username = username;
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60 if session.type == "c2s_unauthed" then
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61 session.type = "c2s";
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62 end
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63 return true;
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64 end
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65
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66 -- returns true, nil on success
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67 -- returns nil, err_type, err, err_message on failure
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68 function bind_resource(session, resource)
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69 if not session.username then return nil, "auth", "not-authorized", "Cannot bind resource before authentication"; end
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70 if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end
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71 -- We don't support binding multiple resources
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72
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73 resource = resource or uuid_generate();
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74 --FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing
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75
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76 if not hosts[session.host].sessions[session.username] then
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77 hosts[session.host].sessions[session.username] = { sessions = {} };
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78 else
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79 if hosts[session.host].sessions[session.username].sessions[resource] then
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80 -- Resource conflict
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81 return nil, "cancel", "conflict", "Resource already exists"; -- TODO kick old resource
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82 end
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83 end
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84
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85 session.resource = resource;
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86 session.full_jid = session.username .. '@' .. session.host .. '/' .. resource;
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87 hosts[session.host].sessions[session.username].sessions[resource] = session;
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88
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89 session.roster = rm_load_roster(session.username, session.host);
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90
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91 return true;
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92 end
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93
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94 function streamopened(session, attr)
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95 local send = session.send;
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96 session.host = attr.to or error("Client failed to specify destination hostname");
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97 session.version = tonumber(attr.version) or 0;
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98 session.streamid = m_random(1000000, 99999999);
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99 (session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host);
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102 send("<?xml version='1.0'?>");
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103 send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0'>", session.streamid, session.host));
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104
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105 if not hosts[session.host] then
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106 -- We don't serve this host...
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107 session:disconnect{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)};
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108 return;
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109 end
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111
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112 local features = {};
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113 modulemanager.fire_event("stream-features", session, features);
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114
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115 -- FIXME: Need to send() this all at once
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116 send("<stream:features>");
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117
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118 for _, feature in ipairs(features) do
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119 send(tostring(feature));
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120 end
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121
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122 send("</stream:features>");
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123 log("info", "Stream opened successfully");
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124 session.notopen = nil;
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125 end
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126
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127 function send_to_available_resources(user, host, stanza)
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128 local count = 0;
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129 local to = stanza.attr.to;
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130 stanza.attr.to = nil;
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131 local h = hosts[host];
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132 if h and h.type == "local" then
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133 local u = h.sessions[user];
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134 if u then
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135 for k, session in pairs(u.sessions) do
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136 if session.presence then
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137 session.send(stanza);
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138 count = count + 1;
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139 end
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140 end
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141 end
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142 end
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143 stanza.attr.to = to;
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144 return count;
175
5f71d290bb44 Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents: 156
diff changeset
145 end
5f71d290bb44 Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
parents: 156
diff changeset
146
30
bcf539295f2d Huge commit to:
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147 return _M;