prosody
b16f842b7525
plugins/mod_pep.lua

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plugins/mod_pep.lua @ 3344:b16f842b7525

mod_pep: Use util.caps
author Matthew Wild <mwild1@gmail.com>
date Fri, 09 Jul 2010 13:22:58 +0100
parent 3290:1eec2bd19bf7
child 3648:c0148fddd81f
comparison
equal deleted inserted replaced
3343:c70c6d5bf270 3344:b16f842b7525
14 local user_exists = require "core.usermanager".user_exists; 14 local user_exists = require "core.usermanager".user_exists;
15 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; 15 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
16 local pairs, ipairs = pairs, ipairs; 16 local pairs, ipairs = pairs, ipairs;
17 local next = next; 17 local next = next;
18 local type = type; 18 local type = type;
19 local sha1 = require "util.hashes".sha1; 19 local calculate_hash = require "util.caps".calculate_hash;
20 local base64 = require "util.encodings".base64.encode;
21 20
22 local NULL = {}; 21 local NULL = {};
23 local data = {}; 22 local data = {};
24 local recipients = {}; 23 local recipients = {};
25 local hash_map = {}; 24 local hash_map = {};
207 return true; 206 return true;
208 end 207 end
209 end 208 end
210 end); 209 end);
211 210
212 local function calculate_hash(disco_info)
213 local identities, features, extensions = {}, {}, {};
214 for _, tag in pairs(disco_info) do
215 if tag.name == "identity" then
216 table.insert(identities, (tag.attr.category or "").."\0"..(tag.attr.type or "").."\0"..(tag.attr["xml:lang"] or "").."\0"..(tag.attr.name or ""));
217 elseif tag.name == "feature" then
218 table.insert(features, tag.attr.var or "");
219 elseif tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then
220 local form = {};
221 local FORM_TYPE;
222 for _, field in pairs(tag.tags) do
223 if field.name == "field" and field.attr.var then
224 local values = {};
225 for _, val in pairs(field.tags) do
226 val = #val.tags == 0 and table.concat(val); -- FIXME use get_text?
227 if val then table.insert(values, val); end
228 end
229 table.sort(values);
230 if field.attr.var == "FORM_TYPE" then
231 FORM_TYPE = values[1];
232 elseif #values > 0 then
233 table.insert(form, field.attr.var.."\0"..table.concat(values, "<"));
234 else
235 table.insert(form, field.attr.var);
236 end
237 end
238 end
239 table.sort(form);
240 form = table.concat(form, "<");
241 if FORM_TYPE then form = FORM_TYPE.."\0"..form; end
242 table.insert(extensions, form);
243 end
244 end
245 table.sort(identities);
246 table.sort(features);
247 table.sort(extensions);
248 if #identities > 0 then identities = table.concat(identities, "<"):gsub("%z", "/").."<"; else identities = ""; end
249 if #features > 0 then features = table.concat(features, "<").."<"; else features = ""; end
250 if #extensions > 0 then extensions = table.concat(extensions, "<"):gsub("%z", "<").."<"; else extensions = ""; end
251 local S = identities..features..extensions;
252 local ver = base64(sha1(S));
253 return ver, S;
254 end
255
256 module:hook("iq/bare/disco", function(event) 211 module:hook("iq/bare/disco", function(event)
257 local session, stanza = event.origin, event.stanza; 212 local session, stanza = event.origin, event.stanza;
258 if stanza.attr.type == "result" then 213 if stanza.attr.type == "result" then
259 local disco = stanza.tags[1]; 214 local disco = stanza.tags[1];
260 if disco and disco.name == "query" and disco.attr.xmlns == "http://jabber.org/protocol/disco#info" then 215 if disco and disco.name == "query" and disco.attr.xmlns == "http://jabber.org/protocol/disco#info" then