Mercurial > prosody-modules

annotate mod_pep_vcard_avatar/mod_pep_vcard_avatar.lua @ 2179:a90c7d7e7413

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mod_vjud: Fix missing comma (thanks Tobias)
author Kim Alvefur <zash@zash.se>
date Tue, 24 May 2016 11:59:25 +0200
parents 96aca307964b
children 724809023c92
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1591
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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diff changeset
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 base64 = require"util.encodings".base64;
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12 local sha1 = require"util.hashes".sha1;
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13
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14 local mod_pep = module:depends"pep";
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15 local pep_data = mod_pep.module.save().data;
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16
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17 module:add_feature("http://prosody.im/protocol/vcard-pep-integration");
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18 module:depends"vcard";
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19 local vcard_storage = module:open_store("vcard");
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20
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21 local function get_vcard(username)
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22 local vcard, err = vcard_storage:get(username);
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23 if vcard then
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24 vcard = st.deserialize(vcard);
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25 end
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26 if not vcard then
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27 vcard = st.stanza("vCard", { xmlns = "vcard-temp" });
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28 end
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29 return vcard, err;
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30 end
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31
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32 local function replace_tag(s, replacement)
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33 local once = false;
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34 s:maptags(function (tag)
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35 if tag.name == replacement.name and tag.attr.xmlns == replacement.attr.xmlns then
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36 if not once then
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37 once = true;
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38 return replacement;
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39 else
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40 return nil;
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41 end
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42 end
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43 return tag;
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44 end);
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45 if not once then
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46 s:add_child(replacement);
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47 end
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48 end
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49
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50 local function set_vcard(username, vcard)
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51 if vcard then
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52 vcard = st.preserialize(st.clone(vcard));
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53 end
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54 return vcard_storage:set(username, vcard);
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55 end
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56
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57 local function publish(session, node, id, item)
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58 return module:fire_event("pep-publish-item", {
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59 actor = true, session = session, node = node, id = id, item = item;
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60 });
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61 end
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62
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63 -- vCard -> PEP
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64 local function update_pep(session, vcard)
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65 if not vcard then return end
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66 local nickname = vcard:get_child_text("NICKNAME");
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67 if nickname then
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68 publish(session, "http://jabber.org/protocol/nick", "current", st.stanza("item", {id="current"})
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69 :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname));
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70 end
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71
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72 local photo = vcard:get_child("PHOTO");
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73 if photo then
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74 local photo_type = photo:get_child_text("TYPE");
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75 local photo_b64 = photo:get_child_text("BINVAL");
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76 local photo_raw = photo_b64 and base64.decode(photo_b64);
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77 if photo_raw and photo_type then -- Else invalid data or encoding
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78 local photo_hash = sha1(photo_raw, true);
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79
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80 publish(session, "urn:xmpp:avatar:data", photo_hash, st.stanza("item", {id=photo_hash})
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81 :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo_b64));
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82 publish(session, "urn:xmpp:avatar:metadata", photo_hash, st.stanza("item", {id=photo_hash})
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83 :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" })
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84 :tag("info", { id = photo_hash, bytes = tostring(#photo_raw), type = photo_type,}));
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85 end
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86 end
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87 end
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88
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89 local function handle_vcard(event)
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90 local session, stanza = event.origin, event.stanza;
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91 if not stanza.attr.to and stanza.attr.type == "set" then
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92 return update_pep(session, stanza:get_child("vCard", "vcard-temp"));
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93 end
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94 end
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95
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96 module:hook("iq/bare/vcard-temp:vCard", handle_vcard, 1);
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97
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98 -- PEP Avatar -> vCard
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99 local function on_publish_metadata(event)
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100 local username = event.session.username;
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101 local metadata = event.item:find("{urn:xmpp:avatar:metadata}metadata/info");
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102 if not metadata then
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103 module:log("error", "No info found");
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104 module:log("debug", event.item:top_tag());
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105 return;
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106 end
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107 module:log("debug", metadata:top_tag());
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108 local user_data = pep_data[username.."@"..module.host];
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109 local pep_photo = user_data["urn:xmpp:avatar:data"];
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110 pep_photo = pep_photo and pep_photo[1] == metadata.attr.id and pep_photo[2];
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111 if not pep_photo then
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112 module:log("error", "No photo found");
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113 return;
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114 end -- Publishing in the wrong order?
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115 local vcard = get_vcard(username);
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116 local new_photo = st.stanza("PHOTO", { xmlns = "vcard-temp" })
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117 :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
118 :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
119
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 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
121 set_vcard(username, vcard);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
124 -- PEP Nickname -> vCard
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 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
126 local username = event.session.username;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 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
128 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
129 :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
130 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
131 set_vcard(username, vcard);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 local function on_publish(event)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 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
136 local node = event.node;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 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
138 return on_publish_metadata(event);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 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
140 return on_publish_nick(event);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 module:hook("pep-publish-item", on_publish, 1);