Mercurial > eldonilo > barbecue
annotate script2.js @ 9:d3b37bbb2b88 default tip master
Support multiple participants.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Thu, 02 Feb 2012 16:37:28 +0100 |
| parents | 7b2ca4d5af6d |
| children |
| rev | line source |
|---|---|
| 5 | 1 'use strict'; |
| 2 | |
| 3 /** Copyright (c) 2012 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> | |
| 4 * | |
| 5 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 6 * of this software and associated documentation files (the "Software"), to | |
| 7 * deal in the Software without restriction, including without limitation the | |
| 8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| 9 * sell copies of the Software, and to permit persons to whom the Software is | |
| 10 * furnished to do so, subject to the following conditions: | |
| 11 * | |
| 12 * The above copyright notice and this permission notice shall be included in | |
| 13 * all copies or substantial portions of the Software. | |
| 14 * | |
| 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| 21 * IN THE SOFTWARE. | |
| 22 */ | |
| 23 | |
| 24 var conn = new Lightstring.Connection(SERVICE); | |
| 25 var roster = {}; | |
| 26 var documents = {}; | |
| 27 | |
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28 Lightstring.plugins['jingle'] = { |
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29 namespaces: { |
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30 jingle: 'urn:xmpp:jingle:1', |
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31 jingle_transports_sxe: 'urn:xmpp:jingle:transports:sxe', |
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32 jingle_apps_xhtml: 'urn:xmpp:jingle:apps:xhtml' |
| 5 | 33 } |
| 34 }; | |
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35 Lightstring.ns['sxe'] = 'urn:xmpp:sxe:0'; |
| 5 | 36 |
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37 conn.on('iq/' + Lightstring.ns['disco#info'] + ':query', function(stanza) { |
| 5 | 38 if (stanza.DOM.getAttributeNS(null, 'type') !== 'get') |
| 39 return; | |
| 40 | |
| 41 var query = stanza.DOM.firstChild; | |
| 42 if (query.getAttributeNS(null, 'node')) { | |
| 43 var response = "<iq to='" + stanza.DOM.getAttributeNS(null, 'from') + "'" + | |
| 44 " id='" + stanza.DOM.getAttributeNS(null, 'id') + "'" + | |
| 45 " type='error'/>"; //TODO: precise the error. | |
| 46 conn.send(response); | |
| 47 return; | |
| 48 } | |
| 49 | |
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50 var features = [Lightstring.ns['sxe'], Lightstring.ns['jingle_transports_sxe']]; //TODO: put that elsewhere. |
| 5 | 51 |
| 52 var response = "<iq to='" + stanza.DOM.getAttributeNS(null, 'from') + "'" + | |
| 53 " id='" + stanza.DOM.getAttributeNS(null, 'id') + "'" + | |
| 54 " type='result'>" + | |
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55 "<query xmlns='" + Lightstring.ns['disco#info'] + "'>" + |
| 5 | 56 "<identity category='client' type='browser'/>"; |
| 57 features.forEach(function(f) { | |
| 58 response += "<feature var='" + f + "'/>"; | |
| 59 }); | |
| 60 response += "</query>" + | |
| 61 "</iq>"; | |
| 62 | |
| 63 conn.send(response); | |
| 64 }); | |
| 65 | |
| 66 conn.on('presence', function(stanza) { | |
| 67 var from = new Lightstring.JID(stanza.DOM.getAttributeNS(null, 'from')); | |
| 68 if (!from.equals(conn.jid)) { | |
| 69 var type = stanza.DOM.getAttributeNS(null, 'type'); | |
| 70 if (!type) | |
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71 conn.disco.info(from, undefined, function(stanza) { |
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72 roster[from.full] = {identities: stanza.identities, features: stanza.features}; |
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73 }, function(stanza) { |
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74 console.log(from + ' doesn’t handle disco#info.'); |
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75 roster[from.full] = {}; |
| 5 | 76 }); |
| 77 else if (type === 'unavailable') | |
| 78 delete roster[from.full]; | |
| 79 } | |
| 80 }); | |
| 81 | |
| 82 var host = function(sid, name) { | |
| 83 if (!sid) | |
| 84 sid = String(Math.random()); | |
| 85 | |
| 86 documents[sid] = new Document(conn.jid.full, name, conn.jid.full, 'document'); | |
| 87 | |
| 88 for (var jid in roster) { | |
| 89 var contact = roster[jid]; | |
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90 if ((contact.features.indexOf(Lightstring.ns['sxe']) !== -1) && (contact.features.indexOf(Lightstring.ns['jingle_transports_sxe']) !== -1)) |
| 5 | 91 initiate(jid, sid); |
| 92 } | |
| 93 } | |
| 94 | |
| 95 var initiate = function(jid, sid) { | |
| 96 var initiate = "<iq to='" + jid + "' type='set'>" + | |
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97 "<jingle xmlns='" + Lightstring.ns.jingle.main + "'" + |
| 5 | 98 " action='session-initiate'" + |
| 99 " initiator='" + documents[sid].initiator + "'" + | |
| 100 " sid='" + sid + "'>" + | |
| 101 "<content creator='initiator' name='" + documents[sid].name + "'>" + | |
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102 "<description xmlns='" + Lightstring.ns['jingle_apps_xhtml'] + "'/>" + |
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103 "<transport xmlns='" + Lightstring.ns['jingle_transports_sxe'] + "'>" + |
| 5 | 104 "<host>" + documents[sid].host + "</host>" + |
| 105 "</transport>" + | |
| 106 "</content>" + | |
| 107 "</jingle>" + | |
| 108 "</iq>"; | |
| 109 conn.send(initiate); | |
| 110 }; | |
| 111 | |
| 112 var accept = function(sid) { | |
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113 var doc = documents[sid]; |
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114 var accept = "<iq to='" + doc.initiator + "' type='set'>" + |
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115 "<jingle xmlns='" + Lightstring.ns.jingle.main + "'" + |
| 5 | 116 " action='session-accept'" + |
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117 " initiator='" + doc.initiator + "'" + |
| 5 | 118 " sid='" + sid + "'>" + |
| 119 "<content creator='initiator' name='" + documents[sid].name + "'>" + | |
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120 "<description xmlns='" + Lightstring.ns['jingle_apps_xhtml'] + "'/>" + |
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121 "<transport xmlns='" + Lightstring.ns['jingle_transports_sxe'] + "'>" + |
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122 "<host>" + doc.host + "</host>" + |
| 5 | 123 "</transport>" + |
| 124 "</content>" + | |
| 125 "</jingle>" + | |
| 126 "</iq>"; | |
| 127 conn.send(accept, function(stanza) { | |
| 128 if (stanza.DOM.getAttributeNS(null, 'type') === 'result') | |
| 129 connect(sid); | |
| 130 else | |
| 131 terminate('TODO'); //XXX | |
| 132 }); | |
| 133 }; | |
| 134 | |
| 135 var terminate = function(sid, reason) { | |
| 136 if (!(sid in documents)) | |
| 137 return console.log('BIG WARNING!!!'); | |
| 138 | |
| 139 var terminate = "<iq to='" + documents[sid].initiator + "' type='set'>" + | |
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140 "<jingle xmlns='" + Lightstring.ns.jingle.main + "'" + |
| 5 | 141 " action='session-terminate'" + |
| 142 " host='" + documents[sid].host + "'" + | |
| 143 " initiator='" + documents[sid].initiator + "'" + | |
| 144 " sid='" + sid + "'>" + | |
| 145 "<reason>" + | |
| 146 "<" + reason + "/>" + | |
| 147 "</reason>" + | |
| 148 "</jingle>" + | |
| 149 "</iq>"; | |
| 150 delete documents[sid]; | |
| 151 conn.send(terminate); | |
| 152 }; | |
| 153 | |
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154 conn.on('iq/' + Lightstring.ns.jingle + ':jingle', function(stanza) { |
| 5 | 155 conn.send("<iq to='" + stanza.DOM.getAttributeNS(null, 'from') + "'" + |
| 156 " id='" + stanza.DOM.getAttributeNS(null, 'id') + "'" + | |
| 157 " type='result'/>"); | |
| 158 | |
| 159 var jingle = stanza.DOM.firstChild; | |
| 160 var action = jingle.getAttributeNS(null, 'action'); | |
| 161 var initiator = jingle.getAttributeNS(null, 'initiator'); | |
| 162 var sid = jingle.getAttributeNS(null, 'sid'); | |
| 163 | |
| 164 var payload = jingle.firstChild; //TODO: what if they are multiple? | |
| 165 | |
| 166 //TODO: verify that the payload is really what we want. | |
| 167 //TODO: use the reason even with content as payload. | |
| 168 if (action === 'session-initiate') { | |
| 169 var content = payload; | |
| 170 var creator = content.getAttributeNS(null, 'creator'); | |
| 171 var name = content.getAttributeNS(null, 'name'); | |
| 172 | |
| 173 if (documents[sid]) | |
| 174 return terminate(sid, 'alternative-session'); //TODO: The XEP: “and wishes to use that [previous] session instead” | |
| 175 | |
| 176 var description = content.getElementsByTagName('description')[0]; //TODO: supporte multiple applications. | |
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177 if (description.namespaceURI !== Lightstring.ns['jingle_apps_xhtml']) |
| 5 | 178 return terminate(sid, 'unsupported-applications'); |
| 179 | |
| 180 var transport = content.getElementsByTagName('transport')[0]; //TODO: supporte multiple transports. | |
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181 if (transport.namespaceURI !== Lightstring.ns['jingle_transports_sxe']) |
| 5 | 182 return terminate(sid, 'unsupported-transports'); |
| 183 | |
| 184 var host = transport.textContent; //TODO: verify the presence of the host element. | |
| 185 | |
| 186 documents[sid] = new Document(initiator, name, host, 'document'); | |
| 187 | |
| 188 if (confirm('Do you accept?')) | |
| 189 accept(sid); | |
| 190 else | |
| 191 terminate(sid, 'decline'); | |
| 192 | |
| 193 } else if (action === 'session-accept') { | |
| 194 var content = payload; | |
| 195 var creator = content.getAttributeNS(null, 'creator'); | |
| 196 var name = content.getAttributeNS(null, 'name'); | |
| 197 | |
| 198 alert('Accepted! \\o/'); | |
| 199 | |
| 200 var description = content.getElementsByTagName('description')[0]; //TODO: supporte multiple applications. | |
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201 if (description.namespaceURI !== Lightstring.ns['jingle_apps_xhtml']) |
| 5 | 202 return terminate(sid, 'unsupported-applications'); |
| 203 | |
| 204 var transport = content.getElementsByTagName('transport')[0]; //TODO: supporte multiple transports. | |
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205 if (transport.namespaceURI !== Lightstring.ns['jingle_transports_sxe']) |
| 5 | 206 return terminate(sid, 'unsupported-transports'); |
| 207 | |
| 208 var host = transport.textContent; //TODO: verify the presence of the host element. | |
| 209 | |
| 210 var doc = documents[sid]; | |
| 211 if (doc.initiator !== initiator || | |
| 212 doc.name !== name || | |
| 213 doc.host !== host) | |
| 214 return terminate(sid, 'unknown-error'); //XXX | |
| 215 | |
| 216 } else if (action === 'session-terminate') { | |
| 217 var reason = payload; | |
| 218 | |
| 219 //TODO: verify they are what the should be. | |
| 220 var element = reason.firstChild; | |
| 221 var text = element.nextSibling; | |
| 222 | |
| 223 alert('Terminated, reason: ' + element.localName + (text? ' (' + text.textContent + ')': '')); | |
| 224 | |
| 225 delete documents[sid]; | |
| 226 } | |
| 227 }); | |
| 228 | |
| 229 var connect = function(sid) { | |
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230 var doc = documents[sid]; |
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231 var host = doc.host; |
| 5 | 232 var identities = roster[host].identities; |
| 233 var type = 'chat'; | |
| 234 identities.forEach(function(identity) { | |
| 235 if (identity.category === 'conference') | |
| 236 type = 'groupchat'; | |
| 237 }); | |
| 238 var message = "<message to='" + host + "'" + | |
| 239 " type='" + type + "'>" + | |
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240 "<sxe xmlns='" + Lightstring.ns['sxe'] + "'" + |
| 5 | 241 " id='" + Lightstring.newId('sxe') + "'" + |
| 242 " session='" + sid + "'>" + | |
| 243 "<connect/>" + | |
| 244 "</sxe>" + | |
| 245 "</message>"; | |
| 246 conn.send(message); | |
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247 doc.participants[conn.jid.full] = type; |
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248 }; |
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249 |
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250 var offerState = function(to, type, sid) { |
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251 var message = "<message to='" + to + "'" + |
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252 " type='" + type + "'>" + |
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253 "<sxe xmlns='" + Lightstring.ns['sxe'] + "'" + |
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254 " id='" + Lightstring.newId('sxe') + "'" + |
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255 " session='" + sid + "'>" + |
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256 "<state-offer>" + |
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257 "<description xmlns='" + Lightstring.ns['jingle_apps_xhtml'] + "'/>" + |
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258 "</state-offer>" + |
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259 "</sxe>" + |
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260 "</message>"; |
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261 conn.send(message); |
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262 }; |
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263 |
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264 var sendState = function(sid, from) { |
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265 var doc = documents[sid]; |
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266 var initialState = doc.createState([]).map(function(element) { |
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267 return Lightstring.DOM2XML(element); |
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268 }).join(''); |
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269 if (conn.jid.full in doc.participants) { // participant |
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270 var type = 'chat'; //XXX |
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271 var message = "<message to='" + doc.host + "'" + |
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272 " type='" + type + "'>" + |
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273 "<sxe xmlns='" + Lightstring.ns['sxe'] + "'" + |
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274 " id='" + Lightstring.newId('sxe') + "'" + |
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275 " session='" + sid + "'>" + |
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276 "<state>" + |
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277 "<document-begin prolog='" + doc.prolog + "'/>" + |
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278 initialState + |
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279 "<document-end last-sender='' last-id=''/>" + |
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280 "</state>" + |
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281 "</sxe>" + |
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282 "</message>"; |
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283 conn.send(message); |
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284 } else { // host |
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285 for (var jid in doc.participants) { |
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286 if (from == jid) |
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287 continue; |
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288 var type = doc.participants[jid]; |
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289 var message = "<message to='" + jid + "'" + |
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290 " type='" + type + "'>" + |
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291 "<sxe xmlns='" + Lightstring.ns['sxe'] + "'" + |
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292 " id='" + Lightstring.newId('sxe') + "'" + |
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293 " session='" + sid + "'>" + |
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294 "<state>" + |
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295 "<document-begin prolog='" + doc.prolog + "'/>" + |
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296 initialState + |
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297 "<document-end last-sender='' last-id=''/>" + |
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298 "</state>" + |
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299 "</sxe>" + |
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300 "</message>"; |
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301 conn.send(message); |
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302 } |
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303 } |
| 5 | 304 }; |
| 305 | |
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306 conn.on('message/' + Lightstring.ns['sxe'] + ':sxe', function(stanza) { |
| 5 | 307 var from = stanza.DOM.getAttributeNS(null, 'from'); |
| 308 var type = 'chat'; //TODO: always? | |
| 309 var sxe = stanza.DOM.firstChild; //TODO: there can be multiple payloads. | |
| 310 var id = sxe.getAttributeNS(null, 'id'); | |
| 311 var sid = sxe.getAttributeNS(null, 'session'); | |
| 312 | |
| 313 var doc = documents[sid]; | |
| 314 if (!doc) { | |
| 315 conn.send("<message to='" + from + "' type='error'/>"); //XXX | |
| 316 return; | |
| 317 } | |
| 318 | |
| 319 var payload = sxe.firstChild; //TODO: really? | |
| 320 switch (payload.localName) { | |
| 321 case 'connect': | |
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322 offerState(from, type, sid); |
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323 doc.participants[from] = type; |
| 5 | 324 break; |
| 325 case 'state-offer': | |
| 326 var description = payload.firstChild; | |
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327 if (description.namespaceURI !== Lightstring.ns['jingle_apps_xhtml']) |
| 5 | 328 return terminate(sid, 'unsupported-applications'); |
| 329 | |
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330 var accept = /*false; |
| 5 | 331 if (from === doc.host || from === doc.initiator) |
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332 accept =*/ true; |
| 5 | 333 |
| 334 //TODO: refuse if proposed multiple times. | |
| 335 | |
| 336 var message = "<message to='" + from + "'" + | |
| 337 " type='" + type + "'>" + | |
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338 "<sxe xmlns='" + Lightstring.ns['sxe'] + "'" + |
| 5 | 339 " id='" + Lightstring.newId('sxe') + "'" + |
| 340 " session='" + sid + "'>" + | |
| 341 "<" + (accept? 'accept': 'refuse') + "-state/>" + | |
| 342 "</sxe>" + | |
| 343 "</message>"; | |
| 344 conn.send(message); | |
| 345 break; | |
| 346 case 'accept-state': | |
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347 sendState(sid); |
| 5 | 348 break; |
| 349 case 'refuse-state': | |
| 350 terminate(sid, 'decline'); | |
| 351 break; | |
| 352 case 'state': | |
| 353 var elements = payload.children; | |
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354 doc.empty(); |
| 5 | 355 doc.processState(from, elements); |
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356 if (doc.host === conn.jid.full) |
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357 sendState(sid, from); |
| 5 | 358 break; |
| 359 default: | |
| 360 var elements = sxe.children; | |
| 361 doc.processState(from, elements); | |
| 362 } | |
| 363 }); | |
| 364 | |
| 365 (function() { | |
| 366 var events = ['connected', 'conn-error', 'connecting', 'disconnected', 'disconnecting']; | |
| 367 var state = document.getElementById('state'); | |
| 368 events.forEach(function(e) { | |
| 369 conn.on(e, function() { | |
| 370 state.innerHTML = e; | |
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371 return false; |
| 5 | 372 }); |
| 373 }); | |
| 374 })(); | |
| 375 | |
| 376 conn.on('error', function(a) { | |
| 377 alert(a); | |
| 378 }); | |
| 379 | |
| 380 document.getElementById('host').addEventListener('click', function() { | |
| 381 host(Lightstring.newId('sess'), 'My First XHTML Document'); | |
| 382 }, false); | |
| 383 | |
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384 document.getElementById('resend-state').addEventListener('click', function() { |
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385 for (var sid in documents) |
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386 sendState(sid); |
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387 }, false); |
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388 |
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389 conn.on('output', function(stanza) { |
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390 console.log('out:', stanza.DOM || stanza.XML); |
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391 }); |
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392 conn.on('input', function(stanza) { |
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393 console.log('in:', stanza.DOM || stanza.XML); |
| 5 | 394 }); |
| 395 | |
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396 conn.on('connected', function() { |
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397 conn.presence.send(conn); |
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398 return true; |
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399 }); |
| 5 | 400 |
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401 conn.load('DIGEST-MD5'); |
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402 conn.load('presence'); |
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403 conn.load('disco'); |
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404 conn.load('jingle'); |
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405 conn.disco.addFeatures(Lightstring.ns['jingle_transports_sxe'], Lightstring.ns['sxe']); |
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406 conn.connect(JID + '/' + prompt('Resource?'), PASSWORD); |