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plugins/mod_saslauth.lua @ 185:a67c88ce1c6a
Added support for XEP-0049: Private XML Storage (mod_private)
author | Waqas Hussain <waqas20@gmail.com> |
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date | Sun, 26 Oct 2008 21:22:59 +0500 |
parent | 120:ef964468f174 |
child | 278:770a78cd38d7 |
child | 281:826308c07627 |
rev | line source |
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38 | 1 |
2 local st = require "util.stanza"; | |
3 local send = require "core.sessionmanager".send_to_session; | |
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4 local sm_bind_resource = require "core.sessionmanager".bind_resource; |
38 | 5 |
6 local usermanager_validate_credentials = require "core.usermanager".validate_credentials; | |
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7 local t_concat, t_insert = table.concat, table.insert; |
38 | 8 local tostring = tostring; |
9 | |
10 local log = require "util.logger".init("mod_saslauth"); | |
11 | |
12 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl'; | |
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13 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind'; |
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14 local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas'; |
38 | 15 |
16 local new_sasl = require "util.sasl".new; | |
17 | |
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18 add_handler("c2s_unauthed", "auth", xmlns_sasl, |
38 | 19 function (session, stanza) |
20 if not session.sasl_handler then | |
21 session.sasl_handler = new_sasl(stanza.attr.mechanism, | |
22 function (username, password) | |
23 -- onAuth | |
24 require "core.usermanager" | |
25 if usermanager_validate_credentials(session.host, username, password) then | |
26 return true; | |
27 end | |
28 return false; | |
29 end, | |
30 function (username) | |
31 -- onSuccess | |
32 local success, err = sessionmanager.make_authenticated(session, username); | |
33 if not success then | |
34 sessionmanager.destroy_session(session); | |
52
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35 return; |
38 | 36 end |
37 session.sasl_handler = nil; | |
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38 session:reset_stream(); |
38 | 39 end, |
40 function (reason) | |
41 -- onFail | |
42 log("debug", "SASL failure, reason: %s", reason); | |
43 end, | |
44 function (stanza) | |
45 -- onWrite | |
46 log("debug", "SASL writes: %s", tostring(stanza)); | |
47 send(session, stanza); | |
48 end | |
49 ); | |
50 session.sasl_handler:feed(stanza); | |
51 else | |
52 error("Client tried to negotiate SASL again", 0); | |
53 end | |
54 | |
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55 end); |
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56 |
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57 add_event_hook("stream-features", |
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58 function (session, features) |
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59 if not session.username then |
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60 t_insert(features, "<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>"); |
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61 t_insert(features, "<mechanism>PLAIN</mechanism>"); |
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62 t_insert(features, "</mechanisms>"); |
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63 else |
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64 t_insert(features, "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><required/></bind>"); |
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65 t_insert(features, "<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>"); |
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66 end |
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67 --send [[<register xmlns="http://jabber.org/features/iq-register"/> ]] |
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68 end); |
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69 |
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70 add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", |
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71 function (session, stanza) |
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72 log("debug", "Client tried to bind to a resource"); |
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73 local resource; |
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74 if stanza.attr.type == "set" then |
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75 local bind = stanza.tags[1]; |
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76 |
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77 if bind and bind.attr.xmlns == xmlns_bind then |
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78 resource = bind:child_with_name("resource"); |
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79 if resource then |
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80 resource = resource[1]; |
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81 end |
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82 end |
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83 end |
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84 local success, err = sm_bind_resource(session, resource); |
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85 if not success then |
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86 local reply = st.reply(stanza); |
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87 reply.attr.type = "error"; |
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88 if err == "conflict" then |
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89 reply:tag("error", { type = "modify" }) |
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90 :tag("conflict", { xmlns = xmlns_stanzas }); |
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91 elseif err == "constraint" then |
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92 reply:tag("error", { type = "cancel" }) |
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93 :tag("resource-constraint", { xmlns = xmlns_stanzas }); |
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94 elseif err == "auth" then |
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95 reply:tag("error", { type = "cancel" }) |
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96 :tag("not-allowed", { xmlns = xmlns_stanzas }); |
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97 end |
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98 send(session, reply); |
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99 else |
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100 local reply = st.reply(stanza); |
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101 reply:tag("bind", { xmlns = xmlns_bind}) |
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102 :tag("jid"):text(session.full_jid); |
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103 send(session, reply); |
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104 end |
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105 end); |
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106 |
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107 add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", |
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108 function (session, stanza) |
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109 log("debug", "Client tried to bind to a resource"); |
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110 send(session, st.reply(stanza)); |
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111 end); |