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plugins/mod_vcard_legacy.lua @ 9271:651e945ad971
mod_vcard_legacy: Handle avatar without vcard4
Since vcards are just avatar containers in many modern clients, aborting
in case of no vcard4 data is not optimal.
The upgrade mechanism needs further tweaks.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 07 Sep 2018 01:04:53 +0200 |
parent | 9270:b024fae6919e |
child | 9272:c047be86dd51 |
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local st = require "util.stanza" local jid_split = require "util.jid".split; local mod_pep = module:depends("pep"); local sha1 = require "util.hashes".sha1; local base64_decode = require "util.encodings".base64.decode; local vcards = module:open_store("vcard"); module:add_feature("vcard-temp"); module:hook("account-disco-info", function (event) event.reply:tag("feature", { var = "urn:xmpp:pep-vcard-conversion:0" }):up(); end); local function handle_error(origin, stanza, err) if err == "forbidden" then origin.send(st.error_reply(stanza, "auth", "forbidden")); elseif err == "internal-server-error" then origin.send(st.error_reply(stanza, "wait", "internal-server-error")); else origin.send(st.error_reply(stanza, "modify", "undefined-condition", err)); end end -- Simple translations -- <foo><text>hey</text></foo> -> <FOO>hey</FOO> local simple_map = { nickname = "text"; title = "text"; role = "text"; categories = "text"; note = "text"; url = "uri"; bday = "date"; } module:hook("iq-get/bare/vcard-temp:vCard", function (event) local origin, stanza = event.origin, event.stanza; local pep_service = mod_pep.get_pep_service(jid_split(stanza.attr.to) or origin.username); local ok, id, vcard4_item = pep_service:get_last_item("urn:xmpp:vcard4", stanza.attr.from); local vcard_temp = st.stanza("vCard", { xmlns = "vcard-temp" }); if ok and vcard4_item then local vcard4 = vcard4_item.tags[1]; local fn = vcard4:get_child("fn"); vcard_temp:text_tag("FN", fn and fn:get_child_text("text")); local v4n = vcard4:get_child("n"); vcard_temp:tag("N") :text_tag("FAMILY", v4n and v4n:get_child_text("surname")) :text_tag("GIVEN", v4n and v4n:get_child_text("given")) :text_tag("MIDDLE", v4n and v4n:get_child_text("additional")) :text_tag("PREFIX", v4n and v4n:get_child_text("prefix")) :text_tag("SUFFIX", v4n and v4n:get_child_text("suffix")) :up(); for tag in vcard4:childtags() do local typ = simple_map[tag.name]; if typ then local text = tag:get_child_text(typ); if text then vcard_temp:text_tag(tag.name:upper(), text); end elseif tag.name == "email" then local text = tag:get_child_text("text"); if text then vcard_temp:tag("EMAIL") :text_tag("USERID", text) :tag("INTERNET"):up(); if tag:find"parameters/type/text#" == "home" then vcard_temp:tag("HOME"):up(); elseif tag:find"parameters/type/text#" == "work" then vcard_temp:tag("WORK"):up(); end vcard_temp:up(); end elseif tag.name == "tel" then local text = tag:get_child_text("uri"); if text then if text:sub(1, 4) == "tel:" then text = text:sub(5) end vcard_temp:tag("TEL"):text_tag("NUMBER", text); if tag:find"parameters/type/text#" == "home" then vcard_temp:tag("HOME"):up(); elseif tag:find"parameters/type/text#" == "work" then vcard_temp:tag("WORK"):up(); end vcard_temp:up(); end elseif tag.name == "adr" then vcard_temp:tag("ADR") :text_tag("POBOX", tag:get_child_text("pobox")) :text_tag("EXTADD", tag:get_child_text("ext")) :text_tag("STREET", tag:get_child_text("street")) :text_tag("LOCALITY", tag:get_child_text("locality")) :text_tag("REGION", tag:get_child_text("region")) :text_tag("PCODE", tag:get_child_text("code")) :text_tag("CTRY", tag:get_child_text("country")); if tag:find"parameters/type/text#" == "home" then vcard_temp:tag("HOME"):up(); elseif tag:find"parameters/type/text#" == "work" then vcard_temp:tag("WORK"):up(); end vcard_temp:up(); end end end local meta_ok, avatar_meta = pep_service:get_items("urn:xmpp:avatar:metadata", stanza.attr.from); local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", stanza.attr.from); if meta_ok and data_ok then for _, hash in ipairs(avatar_meta) do local meta = avatar_meta[hash]; local data = avatar_data[hash]; local info = meta and meta.tags[1]:get_child("info"); vcard_temp:tag("PHOTO"); if info and info.attr.type then vcard_temp:text_tag("TYPE", info.attr.type); end if data then vcard_temp:text_tag("BINVAL", data.tags[1]:get_text()); elseif info and info.attr.url then vcard_temp:text_tag("EXTVAL", info.attr.uri); end vcard_temp:up(); end end origin.send(st.reply(stanza):add_child(vcard_temp)); return true; end); module:hook("iq-set/self/vcard-temp:vCard", function (event) local origin, stanza = event.origin, event.stanza; local pep_service = mod_pep.get_pep_service(origin.username); local vcard_temp = stanza.tags[1]; local vcard4 = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = "current" }) :tag("vcard", { xmlns = 'urn:ietf:params:xml:ns:vcard-4.0' }); if pep_service:purge("urn:xmpp:avatar:metadata", origin.full_jid) then pep_service:purge("urn:xmpp:avatar:data", origin.full_jid); end vcard4:tag("fn"):text_tag("text", vcard_temp:get_child_text("FN")):up(); local N = vcard_temp:get_child("N"); vcard4:tag("n") :text_tag("surname", N and N:get_child_text("FAMILY")) :text_tag("given", N and N:get_child_text("GIVEN")) :text_tag("additional", N and N:get_child_text("MIDDLe")) :text_tag("prefix", N and N:get_child_text("PREFIX")) :text_tag("suffix", N and N:get_child_text("SUFFIX")) :up(); for tag in vcard_temp:childtags() do local typ = simple_map[tag.name:lower()]; if typ then local text = tag:get_text(); if text then vcard4:tag(tag.name:lower()):text_tag(typ, text):up(); end elseif tag.name == "EMAIL" then local text = tag:get_child_text("USERID"); if text then vcard4:tag("email") vcard4:text_tag("text", text) vcard4:tag("parameters"):tag("type"); if tag:get_child("HOME") then vcard4:text_tag("text", "home"); elseif tag:get_child("WORK") then vcard4:text_tag("text", "work"); end vcard4:up():up():up(); end elseif tag.name == "TEL" then local text = tag:get_child_text("NUMBER"); if text then vcard4:tag("tel"):text_tag("uri", "tel:"..text); end vcard4:tag("parameters"):tag("type"); if tag:get_child("HOME") then vcard4:text_tag("text", "home"); elseif tag:get_child("WORK") then vcard4:text_tag("text", "work"); end vcard4:up():up():up(); elseif tag.name == "ORG" then local text = tag:get_child_text("ORGNAME"); if text then vcard4:tag("org"):text_tag("text", text):up(); end elseif tag.name == "DESC" then local text = tag:get_text(); if text then vcard4:tag("note"):text_tag("text", text):up(); end elseif tag.name == "ADR" then vcard4:tag("adr") :text_tag("pobox", tag:get_child_text("POBOX")) :text_tag("ext", tag:get_child_text("EXTADD")) :text_tag("street", tag:get_child_text("STREET")) :text_tag("locality", tag:get_child_text("LOCALITY")) :text_tag("region", tag:get_child_text("REGION")) :text_tag("code", tag:get_child_text("PCODE")) :text_tag("country", tag:get_child_text("CTRY")); vcard4:tag("parameters"):tag("type"); if tag:get_child("HOME") then vcard4:text_tag("text", "home"); elseif tag:get_child("WORK") then vcard4:text_tag("text", "work"); end vcard4:up():up():up(); elseif tag.name == "PHOTO" then local avatar_type = tag:get_child_text("TYPE"); local avatar_payload = tag:get_child_text("BINVAL"); if avatar_payload then local avatar_raw = base64_decode(avatar_payload); local avatar_hash = sha1(avatar_raw, true); local avatar_meta = st.stanza("item", { id = avatar_hash, xmlns = "http://jabber.org/protocol/pubsub" }) :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" }) :tag("info", { bytes = tostring(#avatar_raw), id = avatar_hash, type = avatar_type, }); local avatar_data = st.stanza("item", { id = avatar_hash, xmlns = "http://jabber.org/protocol/pubsub" }) :tag("data", { xmlns="urn:xmpp:avatar:data" }) :text(avatar_payload); local ok, err = pep_service:publish("urn:xmpp:avatar:data", origin.full_jid, avatar_hash, avatar_data) if ok then ok, err = pep_service:publish("urn:xmpp:avatar:metadata", origin.full_jid, avatar_hash, avatar_meta); end if not ok then handle_error(origin, stanza, err); return true; end end end end local ok, err = pep_service:publish("urn:xmpp:vcard4", origin.full_jid, "current", vcard4); if ok then origin.send(st.reply(stanza)); else handle_error(origin, stanza, err); end return true; end); local function inject_xep153(event) local origin, stanza = event.origin, event.stanza; local username = origin.username; if not username then return end local pep_service = mod_pep.get_pep_service(username); stanza:remove_children("x", "vcard-temp:x:update"); local x_update = st.stanza("x", { xmlns = "vcard-temp:x:update" }); local ok, avatar_hash = pep_service:get_last_item("urn:xmpp:avatar:metadata", true); if ok and avatar_hash then x_update:text_tag("photo", avatar_hash); end stanza:add_direct_child(x_update); end module:hook("pre-presence/full", inject_xep153, 1); module:hook("pre-presence/bare", inject_xep153, 1); module:hook("pre-presence/host", inject_xep153, 1);