annotate mod_pep_vcard_avatar/mod_pep_vcard_avatar.lua @ 2491:5fbca7de2088

mod_smacks: Send out more ack requests where needed Under some circumstances it was possible that more than "max_unacked_stanzas" where left in the outgoing stanza queue without forcing an ack. This could happen, when more stanzas entered the queue while the last ack request was still unanswered. Now the test "#queue > max_unacked_stanzas" is done upon receiving an ack as well as when sending out stanzas, which fixes this bug.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 19:27:50 +0100
parents 724809023c92
children 933049a60ce6
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2014 Matthew Wild
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3 -- Copyright (C) 2008-2014 Waqas Hussain
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4 -- Copyright (C) 2014 Kim Alvefur
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9
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10 local st = require "util.stanza"
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11 local jid = require "util.jid";
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12 local base64 = require"util.encodings".base64;
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13 local sha1 = require"util.hashes".sha1;
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14
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15 local mod_pep = module:depends"pep";
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16 local pep_data = mod_pep.module.save().data;
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17
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18 module:add_feature("http://prosody.im/protocol/vcard-pep-integration");
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19 module:depends"vcard";
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20 local vcard_storage = module:open_store("vcard");
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21
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22 local function get_vcard(username)
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23 local vcard, err = vcard_storage:get(username);
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24 if vcard then
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25 vcard = st.deserialize(vcard);
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26 end
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27 if not vcard then
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28 vcard = st.stanza("vCard", { xmlns = "vcard-temp" });
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29 end
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30 return vcard, err;
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31 end
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32
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33 local function replace_tag(s, replacement)
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34 local once = false;
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35 s:maptags(function (tag)
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36 if tag.name == replacement.name and tag.attr.xmlns == replacement.attr.xmlns then
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37 if not once then
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38 once = true;
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39 return replacement;
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40 else
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41 return nil;
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42 end
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43 end
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44 return tag;
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45 end);
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46 if not once then
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47 s:add_child(replacement);
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48 end
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49 end
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50
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51 local function set_vcard(username, vcard)
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52 if vcard then
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53 vcard = st.preserialize(st.clone(vcard));
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54 end
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55 return vcard_storage:set(username, vcard);
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56 end
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57
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58 local function publish(session, node, id, item)
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59 return module:fire_event("pep-publish-item", {
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60 actor = true, user = jid.bare(session.full_jid), session = session, node = node, id = id, item = item;
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61 });
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62 end
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63
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64 -- vCard -> PEP
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65 local function update_pep(session, vcard)
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66 if not vcard then return end
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67 local nickname = vcard:get_child_text("NICKNAME");
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68 if nickname then
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69 publish(session, "http://jabber.org/protocol/nick", "current", st.stanza("item", {id="current"})
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70 :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname));
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71 end
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72
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73 local photo = vcard:get_child("PHOTO");
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74 if photo then
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75 local photo_type = photo:get_child_text("TYPE");
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76 local photo_b64 = photo:get_child_text("BINVAL");
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77 local photo_raw = photo_b64 and base64.decode(photo_b64);
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78 if photo_raw and photo_type then -- Else invalid data or encoding
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79 local photo_hash = sha1(photo_raw, true);
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80
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81 publish(session, "urn:xmpp:avatar:data", photo_hash, st.stanza("item", {id=photo_hash})
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82 :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo_b64));
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83 publish(session, "urn:xmpp:avatar:metadata", photo_hash, st.stanza("item", {id=photo_hash})
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84 :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" })
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85 :tag("info", { id = photo_hash, bytes = tostring(#photo_raw), type = photo_type,}));
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86 end
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87 end
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88 end
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89
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90 local function handle_vcard(event)
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91 local session, stanza = event.origin, event.stanza;
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92 if not stanza.attr.to and stanza.attr.type == "set" then
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93 return update_pep(session, stanza:get_child("vCard", "vcard-temp"));
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94 end
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95 end
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96
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97 module:hook("iq/bare/vcard-temp:vCard", handle_vcard, 1);
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98
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99 -- PEP Avatar -> vCard
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100 local function on_publish_metadata(event)
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101 local username = event.session.username;
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102 local metadata = event.item:find("{urn:xmpp:avatar:metadata}metadata/info");
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103 if not metadata then
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104 module:log("error", "No info found");
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105 module:log("debug", event.item:top_tag());
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106 return;
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107 end
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108 module:log("debug", metadata:top_tag());
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109 local user_data = pep_data[username.."@"..module.host];
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110 local pep_photo = user_data["urn:xmpp:avatar:data"];
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111 pep_photo = pep_photo and pep_photo[1] == metadata.attr.id and pep_photo[2];
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112 if not pep_photo then
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113 module:log("error", "No photo found");
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114 return;
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115 end -- Publishing in the wrong order?
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116 local vcard = get_vcard(username);
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Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
117 local new_photo = st.stanza("PHOTO", { xmlns = "vcard-temp" })
2151
96aca307964b mod_pep_vcard_avatar: Fix typo [luacheck]
Kim Alvefur <zash@zash.se>
parents: 2150
diff changeset
118 :tag("TYPE"):text(metadata.attr.type):up()
2150
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
119 :tag("BINVAL"):text(pep_photo:get_child_text("data", "urn:xmpp:avatar:data"));
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
120
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
121 replace_tag(vcard, new_photo);
1591
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 set_vcard(username, vcard);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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parents:
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123 end
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parents:
diff changeset
124
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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parents:
diff changeset
125 -- PEP Nickname -> vCard
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 local function on_publish_nick(event)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 local username = event.session.username;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
128 local vcard = get_vcard(username);
2150
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
129 local new_nick = st.stanza("NICKNAME", { xmlns = "vcard-temp" })
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
130 :text(event.item:get_child_text("nick", "http://jabber.org/protocol/nick"));
c1ecc3bc88fa mod_pep_vcard_avatar: Replace PHOTO and NICKNAME tags instead of modifying them in-place
Kim Alvefur <zash@zash.se>
parents: 2149
diff changeset
131 replace_tag(vcard, new_nick);
1591
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 set_vcard(username, vcard);
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parents:
diff changeset
133 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 local function on_publish(event)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 if event.actor == true then return end -- Not from a client
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 local node = event.node;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 if node == "urn:xmpp:avatar:metadata" then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 return on_publish_metadata(event);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 elseif node == "http://jabber.org/protocol/nick" then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return on_publish_nick(event);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 module:hook("pep-publish-item", on_publish, 1);