diff options
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmppengineimpl_iq.cc')
-rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmppengineimpl_iq.cc | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmppengineimpl_iq.cc b/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmppengineimpl_iq.cc new file mode 100644 index 00000000..eb623ed9 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmpp/xmppengineimpl_iq.cc @@ -0,0 +1,279 @@ +/* + * libjingle + * Copyright 2004--2005, Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <vector> +#include <algorithm> +#include "talk/base/common.h" +#include "talk/xmpp/xmppengineimpl.h" +#include "talk/xmpp/constants.h" + +#define new TRACK_NEW + +namespace buzz { + +class XmppIqEntry { + XmppIqEntry(const std::string & id, const std::string & to, + XmppEngine * pxce, XmppIqHandler * iq_handler) : + id_(id), + to_(to), + engine_(pxce), + iq_handler_(iq_handler) { + } + +private: + friend class XmppEngineImpl; + + const std::string id_; + const std::string to_; + XmppEngine * const engine_; + XmppIqHandler * const iq_handler_; +}; + + +XmppReturnStatus +XmppEngineImpl::SendIq(const XmlElement * element, XmppIqHandler * iq_handler, + XmppIqCookie* cookie) { + if (state_ == STATE_CLOSED) + return XMPP_RETURN_BADSTATE; + if (NULL == iq_handler) + return XMPP_RETURN_BADARGUMENT; + if (!element || element->Name() != QN_IQ) + return XMPP_RETURN_BADARGUMENT; + + const std::string& type = element->Attr(QN_TYPE); + if (type != "get" && type != "set") + return XMPP_RETURN_BADARGUMENT; + + if (!element->HasAttr(QN_ID)) + return XMPP_RETURN_BADARGUMENT; + const std::string& id = element->Attr(QN_ID); + + XmppIqEntry * iq_entry = new XmppIqEntry(id, + element->Attr(QN_TO), + this, iq_handler); + iq_entries_->push_back(iq_entry); + SendStanza(element); + + if (cookie) + *cookie = iq_entry; + + return XMPP_RETURN_OK; +} + + +XmppReturnStatus +XmppEngineImpl::RemoveIqHandler(XmppIqCookie cookie, + XmppIqHandler ** iq_handler) { + + std::vector<XmppIqEntry*, std::allocator<XmppIqEntry*> >::iterator pos; + + pos = std::find(iq_entries_->begin(), + iq_entries_->end(), + reinterpret_cast<XmppIqEntry*>(cookie)); + + if (pos == iq_entries_->end()) + return XMPP_RETURN_BADARGUMENT; + + XmppIqEntry* entry = *pos; + iq_entries_->erase(pos); + if (iq_handler) + *iq_handler = entry->iq_handler_; + delete entry; + + return XMPP_RETURN_OK; +} + +void +XmppEngineImpl::DeleteIqCookies() { + for (size_t i = 0; i < iq_entries_->size(); i += 1) { + XmppIqEntry * iq_entry_ = (*iq_entries_)[i]; + (*iq_entries_)[i] = NULL; + delete iq_entry_; + } + iq_entries_->clear(); +} + +static void +AecImpl(XmlElement * error_element, const QName & name, + const char * type, const char * code) { + error_element->AddElement(new XmlElement(QN_ERROR)); + error_element->AddAttr(QN_CODE, code, 1); + error_element->AddAttr(QN_TYPE, type, 1); + error_element->AddElement(new XmlElement(name, true), 1); +} + + +static void +AddErrorCode(XmlElement * error_element, XmppStanzaError code) { + switch (code) { + case XSE_BAD_REQUEST: + AecImpl(error_element, QN_STANZA_BAD_REQUEST, "modify", "400"); + break; + case XSE_CONFLICT: + AecImpl(error_element, QN_STANZA_CONFLICT, "cancel", "409"); + break; + case XSE_FEATURE_NOT_IMPLEMENTED: + AecImpl(error_element, QN_STANZA_FEATURE_NOT_IMPLEMENTED, + "cancel", "501"); + break; + case XSE_FORBIDDEN: + AecImpl(error_element, QN_STANZA_FORBIDDEN, "auth", "403"); + break; + case XSE_GONE: + AecImpl(error_element, QN_STANZA_GONE, "modify", "302"); + break; + case XSE_INTERNAL_SERVER_ERROR: + AecImpl(error_element, QN_STANZA_INTERNAL_SERVER_ERROR, "wait", "500"); + break; + case XSE_ITEM_NOT_FOUND: + AecImpl(error_element, QN_STANZA_ITEM_NOT_FOUND, "cancel", "404"); + break; + case XSE_JID_MALFORMED: + AecImpl(error_element, QN_STANZA_JID_MALFORMED, "modify", "400"); + break; + case XSE_NOT_ACCEPTABLE: + AecImpl(error_element, QN_STANZA_NOT_ACCEPTABLE, "cancel", "406"); + break; + case XSE_NOT_ALLOWED: + AecImpl(error_element, QN_STANZA_NOT_ALLOWED, "cancel", "405"); + break; + case XSE_PAYMENT_REQUIRED: + AecImpl(error_element, QN_STANZA_PAYMENT_REQUIRED, "auth", "402"); + break; + case XSE_RECIPIENT_UNAVAILABLE: + AecImpl(error_element, QN_STANZA_RECIPIENT_UNAVAILABLE, "wait", "404"); + break; + case XSE_REDIRECT: + AecImpl(error_element, QN_STANZA_REDIRECT, "modify", "302"); + break; + case XSE_REGISTRATION_REQUIRED: + AecImpl(error_element, QN_STANZA_REGISTRATION_REQUIRED, "auth", "407"); + break; + case XSE_SERVER_NOT_FOUND: + AecImpl(error_element, QN_STANZA_REMOTE_SERVER_NOT_FOUND, + "cancel", "404"); + break; + case XSE_SERVER_TIMEOUT: + AecImpl(error_element, QN_STANZA_REMOTE_SERVER_TIMEOUT, "wait", "502"); + break; + case XSE_RESOURCE_CONSTRAINT: + AecImpl(error_element, QN_STANZA_RESOURCE_CONSTRAINT, "wait", "500"); + break; + case XSE_SERVICE_UNAVAILABLE: + AecImpl(error_element, QN_STANZA_SERVICE_UNAVAILABLE, "cancel", "503"); + break; + case XSE_SUBSCRIPTION_REQUIRED: + AecImpl(error_element, QN_STANZA_SUBSCRIPTION_REQUIRED, "auth", "407"); + break; + case XSE_UNDEFINED_CONDITION: + AecImpl(error_element, QN_STANZA_UNDEFINED_CONDITION, "wait", "500"); + break; + case XSE_UNEXPECTED_REQUEST: + AecImpl(error_element, QN_STANZA_UNEXPECTED_REQUEST, "wait", "400"); + break; + } +} + + +XmppReturnStatus +XmppEngineImpl::SendStanzaError(const XmlElement * element_original, + XmppStanzaError code, + const std::string & text) { + + if (state_ == STATE_CLOSED) + return XMPP_RETURN_BADSTATE; + + XmlElement error_element(element_original->Name()); + error_element.AddAttr(QN_TYPE, "error"); + + // copy attrs, copy 'from' to 'to' and strip 'from' + for (const XmlAttr * attribute = element_original->FirstAttr(); + attribute; attribute = attribute->NextAttr()) { + QName name = attribute->Name(); + if (name == QN_TO) + continue; // no need to put a from attr. Server will stamp stanza + else if (name == QN_FROM) + name = QN_TO; + else if (name == QN_TYPE) + continue; + error_element.AddAttr(name, attribute->Value()); + } + + // copy children + for (const XmlChild * child = element_original->FirstChild(); + child; + child = child->NextChild()) { + if (child->IsText()) { + error_element.AddText(child->AsText()->Text()); + } else { + error_element.AddElement(new XmlElement(*(child->AsElement()))); + } + } + + // add error information + AddErrorCode(&error_element, code); + if (text != STR_EMPTY) { + XmlElement * text_element = new XmlElement(QN_STANZA_TEXT, true); + text_element->AddText(text); + error_element.AddElement(text_element); + } + + SendStanza(&error_element); + + return XMPP_RETURN_OK; +} + + +bool +XmppEngineImpl::HandleIqResponse(const XmlElement * element) { + if (iq_entries_->empty()) + return false; + if (element->Name() != QN_IQ) + return false; + std::string type = element->Attr(QN_TYPE); + if (type != "result" && type != "error") + return false; + if (!element->HasAttr(QN_ID)) + return false; + std::string id = element->Attr(QN_ID); + std::string from = element->Attr(QN_FROM); + + for (std::vector<XmppIqEntry *>::iterator it = iq_entries_->begin(); + it != iq_entries_->end(); it += 1) { + XmppIqEntry * iq_entry = *it; + if (iq_entry->id_ == id && iq_entry->to_ == from) { + iq_entries_->erase(it); + iq_entry->iq_handler_->IqResponse(iq_entry, element); + delete iq_entry; + return true; + } + } + + return false; +} + +} |