10e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org/* 20e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * libjingle 30e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Copyright 2004--2012, Google Inc. 40e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 50e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Redistribution and use in source and binary forms, with or without 60e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * modification, are permitted provided that the following conditions are met: 70e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 80e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 90e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer. 100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer in the documentation 120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * and/or other materials provided with the distribution. 130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 3. The name of the author may not be used to endorse or promote products 140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * derived from this software without specific prior written permission. 150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org */ 270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/xmpp/presencereceivetask.h" 290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/xmpp/constants.h" 31cf81adffe15fa8ea0f333432e41f6d504148f18abuildbot@webrtc.org#include "webrtc/base/stringencode.h" 320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace buzz { 340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgstatic bool IsUtf8FirstByte(int c) { 360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return (((c)&0x80)==0) || // is single byte 370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ((unsigned char)((c)-0xc0)<0x3e); // or is lead byte 380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgPresenceReceiveTask::PresenceReceiveTask(XmppTaskParentInterface* parent) 410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org : XmppTask(parent, XmppEngine::HL_TYPE) { 420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 440e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgPresenceReceiveTask::~PresenceReceiveTask() { 450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org Stop(); 460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgint PresenceReceiveTask::ProcessStart() { 490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement * stanza = NextStanza(); 500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stanza == NULL) { 510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return STATE_BLOCKED; 520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org Jid from(stanza->Attr(QN_FROM)); 550e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org HandlePresence(from, stanza); 560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return STATE_START; 580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 600e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgbool PresenceReceiveTask::HandleStanza(const XmlElement * stanza) { 610e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Verify that this is a presence stanze 620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stanza->Name() != QN_PRESENCE) { 630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return false; // not sure if this ever happens. 640e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 650e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 660e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Queue it up 670e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org QueueStanza(stanza); 680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 690e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return true; 700e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 710e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 720e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid PresenceReceiveTask::HandlePresence(const Jid& from, 730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement* stanza) { 740e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stanza->Attr(QN_TYPE) == STR_ERROR) { 750e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return; 760e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 770e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 780e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PresenceStatus status; 790e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org DecodeStatus(from, stanza, &status); 800e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PresenceUpdate(status); 810e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 820e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 830e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid PresenceReceiveTask::DecodeStatus(const Jid& from, 840e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement* stanza, 850e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PresenceStatus* presence_status) { 860e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_jid(from); 870e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stanza->Attr(QN_TYPE) == STR_UNAVAILABLE) { 880e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_available(false); 890e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else { 900e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_available(true); 910e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement * status_elem = stanza->FirstNamed(QN_STATUS); 920e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (status_elem != NULL) { 930e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_status(status_elem->BodyText()); 940e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 950e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Truncate status messages longer than 300 bytes 960e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (presence_status->status().length() > 300) { 970e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org size_t len = 300; 980e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 990e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Be careful not to split legal utf-8 chars in half 1000e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org while (!IsUtf8FirstByte(presence_status->status()[len]) && len > 0) { 1010e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org len -= 1; 1020e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1030e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::string truncated(presence_status->status(), 0, len); 1040e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_status(truncated); 1050e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1060e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1070e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1080e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement * priority = stanza->FirstNamed(QN_PRIORITY); 1090e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (priority != NULL) { 1100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org int pri; 1112a86ce22ccc387dfa6f8a98ce3eba5c1e6f9e538buildbot@webrtc.org if (rtc::FromString(priority->BodyText(), &pri)) { 1120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_priority(pri); 1130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement * show = stanza->FirstNamed(QN_SHOW); 1170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (show == NULL || show->FirstChild() == NULL) { 1180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_ONLINE); 1190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (show->BodyText() == "away") { 1200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_AWAY); 1210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (show->BodyText() == "xa") { 1220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_XA); 1230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (show->BodyText() == "dnd") { 1240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_DND); 1250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (show->BodyText() == "chat") { 1260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_CHAT); 1270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else { 1280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_show(PresenceStatus::SHOW_ONLINE); 1290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1310e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement * caps = stanza->FirstNamed(QN_CAPS_C); 1320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (caps != NULL) { 1330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::string node = caps->Attr(QN_NODE); 1340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::string ver = caps->Attr(QN_VER); 1350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::string exts = caps->Attr(QN_EXT); 1360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_know_capabilities(true); 1380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_caps_node(node); 1390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_version(ver); 1400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement* delay = stanza->FirstNamed(kQnDelayX); 1430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (delay != NULL) { 1440e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Ideally we would parse this according to the Psuedo ISO-8601 rules 1450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // that are laid out in JEP-0082: 1460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // http://www.jabber.org/jeps/jep-0082.html 1470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org std::string stamp = delay->Attr(kQnStamp); 1480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_sent_time(stamp); 1490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const XmlElement* nick = stanza->FirstNamed(QN_NICKNAME); 1520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (nick) { 1530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org presence_status->set_nick(nick->BodyText()); 1540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1550e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace buzz 159