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core/sessionmanager.lua @ 332:51e130b5c8de
Remove useless check for unavailable presence (which never exists)
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 18 Nov 2008 19:40:04 +0000 |
parent | 331:830fd67f9378 |
child | 333:8d15b073fdbe |
rev | line source |
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30 | 1 |
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2 local tonumber, tostring = tonumber, tostring; |
126
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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"); |
38 | 7 |
8 local hosts = hosts; | |
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9 local sessions = sessions; |
38 | 10 |
40
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11 local modulemanager = require "core.modulemanager"; |
30 | 12 local log = require "util.logger".init("sessionmanager"); |
40
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13 local error = error; |
145 | 14 local uuid_generate = require "util.uuid".generate; |
101
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15 local rm_load_roster = require "core.rostermanager".load_roster; |
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16 |
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17 local newproxy = newproxy; |
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18 local getmetatable = getmetatable; |
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19 |
30 | 20 module "sessionmanager" |
21 | |
123
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22 local open_sessions = 0; |
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23 |
30 | 24 function new_session(conn) |
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25 local session = { conn = conn, priority = 0, type = "c2s_unauthed" }; |
53
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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; |
30 | 31 local w = conn.write; |
32 session.send = function (t) w(tostring(t)); end | |
33 return session; | |
34 end | |
35 | |
38 | 36 function destroy_session(session) |
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37 (session.log or log)("info", "Destroying session"); |
331 | 38 |
39 -- Send unavailable presence | |
332
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40 if session.presence then |
331 | 41 local pres = st.presence{ type = "unavailable" }; |
42 if err == "closed" then err = "connection closed"; end | |
43 pres:tag("status"):text("Disconnected: "..err); | |
44 session.stanza_dispatch(pres); | |
45 end | |
46 | |
47 -- Remove session/resource from user's session list | |
148 | 48 if session.host and session.username then |
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49 if session.resource then |
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50 hosts[session.host].sessions[session.username].sessions[session.resource] = nil; |
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51 end |
148 | 52 if hosts[session.host] and hosts[session.host].sessions[session.username] then |
53 if not next(hosts[session.host].sessions[session.username].sessions) then | |
54 log("debug", "All resources of %s are now offline", session.username); | |
55 hosts[session.host].sessions[session.username] = nil; | |
56 end | |
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57 end |
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58 end |
331 | 59 |
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60 for k in pairs(session) do |
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61 if k ~= "trace" then |
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62 session[k] = nil; |
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63 end |
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64 end |
38 | 65 end |
66 | |
67 function make_authenticated(session, username) | |
68 session.username = username; | |
69 if session.type == "c2s_unauthed" then | |
70 session.type = "c2s"; | |
71 end | |
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72 return true; |
38 | 73 end |
74 | |
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75 -- returns true, nil on success |
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76 -- returns nil, err_type, err, err_message on failure |
38 | 77 function bind_resource(session, resource) |
304
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78 if not session.username then return nil, "auth", "not-authorized", "Cannot bind resource before authentication"; end |
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79 if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end |
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80 -- We don't support binding multiple resources |
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81 |
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82 resource = resource or uuid_generate(); |
38 | 83 --FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing |
84 | |
85 if not hosts[session.host].sessions[session.username] then | |
86 hosts[session.host].sessions[session.username] = { sessions = {} }; | |
87 else | |
88 if hosts[session.host].sessions[session.username].sessions[resource] then | |
89 -- Resource conflict | |
304
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90 return nil, "cancel", "conflict", "Resource already exists"; -- TODO kick old resource |
38 | 91 end |
92 end | |
93 | |
94 session.resource = resource; | |
95 session.full_jid = session.username .. '@' .. session.host .. '/' .. resource; | |
96 hosts[session.host].sessions[session.username].sessions[resource] = session; | |
97 | |
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98 session.roster = rm_load_roster(session.username, session.host); |
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99 |
38 | 100 return true; |
101 end | |
102 | |
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103 function streamopened(session, attr) |
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104 local send = session.send; |
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105 session.host = attr.to or error("Client failed to specify destination hostname"); |
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106 session.version = tonumber(attr.version) or 0; |
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107 session.streamid = m_random(1000000, 99999999); |
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108 (session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host); |
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109 |
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110 |
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111 send("<?xml version='1.0'?>"); |
40
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112 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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113 |
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114 if not hosts[session.host] then |
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115 -- We don't serve this host... |
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116 session:disconnect{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)}; |
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117 return; |
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118 end |
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119 |
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120 |
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121 local features = {}; |
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122 modulemanager.fire_event("stream-features", session, features); |
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123 |
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124 -- FIXME: Need to send() this all at once |
40
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125 send("<stream:features>"); |
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126 |
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127 for _, feature in ipairs(features) do |
312
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128 send(tostring(feature)); |
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129 end |
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130 |
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131 send("</stream:features>"); |
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132 log("info", "Stream opened successfully"); |
40
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133 session.notopen = nil; |
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134 end |
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135 |
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136 function send_to_available_resources(user, host, stanza) |
176
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137 local count = 0; |
175
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138 local to = stanza.attr.to; |
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139 stanza.attr.to = nil; |
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140 local h = hosts[host]; |
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141 if h and h.type == "local" then |
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142 local u = h.sessions[user]; |
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143 if u then |
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144 for k, session in pairs(u.sessions) do |
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145 if session.presence then |
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146 session.send(stanza); |
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147 count = count + 1; |
175
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148 end |
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149 end |
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150 end |
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151 end |
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152 stanza.attr.to = to; |
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153 return count; |
175
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154 end |
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155 |
30 | 156 return _M; |