15976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org/* 25976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * libjingle 35976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Copyright 2004--2012, Google Inc. 45976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 55976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * Redistribution and use in source and binary forms, with or without 65976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * modification, are permitted provided that the following conditions are met: 75976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 85976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 95976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * this list of conditions and the following disclaimer. 105976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 115976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * this list of conditions and the following disclaimer in the documentation 125976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * and/or other materials provided with the distribution. 135976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 3. The name of the author may not be used to endorse or promote products 145976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * derived from this software without specific prior written permission. 155976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * 165976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 175976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 185976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 195976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 205976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 215976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 225976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 235976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 245976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 255976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 265976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org */ 275976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 285976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/presencereceivetask.h" 295976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 305976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/base/stringencode.h" 315976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org#include "talk/xmpp/constants.h" 325976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 335976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgnamespace buzz { 345976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 355976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgstatic bool IsUtf8FirstByte(int c) { 365976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return (((c)&0x80)==0) || // is single byte 375976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org ((unsigned char)((c)-0xc0)<0x3e); // or is lead byte 385976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 395976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 405976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgPresenceReceiveTask::PresenceReceiveTask(XmppTaskParentInterface* parent) 415976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org : XmppTask(parent, XmppEngine::HL_TYPE) { 425976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 435976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 445976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgPresenceReceiveTask::~PresenceReceiveTask() { 455976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org Stop(); 465976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 475976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 485976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgint PresenceReceiveTask::ProcessStart() { 495976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement * stanza = NextStanza(); 505976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza == NULL) { 515976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_BLOCKED; 525976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 535976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 545976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org Jid from(stanza->Attr(QN_FROM)); 555976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org HandlePresence(from, stanza); 565976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 575976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return STATE_START; 585976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 595976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 605976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgbool PresenceReceiveTask::HandleStanza(const XmlElement * stanza) { 615976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // Verify that this is a presence stanze 625976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza->Name() != QN_PRESENCE) { 635976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return false; // not sure if this ever happens. 645976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 655976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 665976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // Queue it up 675976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org QueueStanza(stanza); 685976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 695976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return true; 705976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 715976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 725976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid PresenceReceiveTask::HandlePresence(const Jid& from, 735976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement* stanza) { 745976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza->Attr(QN_TYPE) == STR_ERROR) { 755976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org return; 765976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 775976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 785976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org PresenceStatus status; 795976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org DecodeStatus(from, stanza, &status); 805976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org PresenceUpdate(status); 815976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 825976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 835976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.orgvoid PresenceReceiveTask::DecodeStatus(const Jid& from, 845976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement* stanza, 855976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org PresenceStatus* presence_status) { 865976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_jid(from); 875976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (stanza->Attr(QN_TYPE) == STR_UNAVAILABLE) { 885976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_available(false); 895976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 905976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_available(true); 915976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement * status_elem = stanza->FirstNamed(QN_STATUS); 925976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (status_elem != NULL) { 935976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_status(status_elem->BodyText()); 945976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 955976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // Truncate status messages longer than 300 bytes 965976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (presence_status->status().length() > 300) { 975976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org size_t len = 300; 985976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 995976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // Be careful not to split legal utf-8 chars in half 1005976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org while (!IsUtf8FirstByte(presence_status->status()[len]) && len > 0) { 1015976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org len -= 1; 1025976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1035976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org std::string truncated(presence_status->status(), 0, len); 1045976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_status(truncated); 1055976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1065976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1075976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1085976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement * priority = stanza->FirstNamed(QN_PRIORITY); 1095976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (priority != NULL) { 1105976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org int pri; 1115976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (talk_base::FromString(priority->BodyText(), &pri)) { 1125976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_priority(pri); 1135976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1145976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1155976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1165976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement * show = stanza->FirstNamed(QN_SHOW); 1175976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (show == NULL || show->FirstChild() == NULL) { 1185976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_ONLINE); 1195976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else if (show->BodyText() == "away") { 1205976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_AWAY); 1215976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else if (show->BodyText() == "xa") { 1225976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_XA); 1235976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else if (show->BodyText() == "dnd") { 1245976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_DND); 1255976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else if (show->BodyText() == "chat") { 1265976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_CHAT); 1275976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } else { 1285976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_show(PresenceStatus::SHOW_ONLINE); 1295976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1305976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1315976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement * caps = stanza->FirstNamed(QN_CAPS_C); 1325976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (caps != NULL) { 1335976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org std::string node = caps->Attr(QN_NODE); 1345976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org std::string ver = caps->Attr(QN_VER); 1355976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org std::string exts = caps->Attr(QN_EXT); 1365976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1375976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_know_capabilities(true); 1385976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_caps_node(node); 1395976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_version(ver); 1405976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1415976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1425976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement* delay = stanza->FirstNamed(kQnDelayX); 1435976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (delay != NULL) { 1445976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // Ideally we would parse this according to the Psuedo ISO-8601 rules 1455976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // that are laid out in JEP-0082: 1465976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org // http://www.jabber.org/jeps/jep-0082.html 1475976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org std::string stamp = delay->Attr(kQnStamp); 1485976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_sent_time(stamp); 1495976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1505976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1515976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org const XmlElement* nick = stanza->FirstNamed(QN_NICKNAME); 1525976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org if (nick) { 1535976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org presence_status->set_nick(nick->BodyText()); 1545976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1555976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org } 1565976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} 1575976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org 1585976650443d68ccfadf1dea24999ee459dd2819mflodman@webrtc.org} // namespace buzz 159