261 lines
7.6 KiB
C++
261 lines
7.6 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <algorithm>
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#include <vector>
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#include "webrtc/libjingle/xmpp/constants.h"
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#include "webrtc/libjingle/xmpp/xmppengineimpl.h"
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#include "webrtc/base/common.h"
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namespace buzz {
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class XmppIqEntry {
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XmppIqEntry(const std::string & id, const std::string & to,
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XmppEngine * pxce, XmppIqHandler * iq_handler) :
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id_(id),
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to_(to),
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engine_(pxce),
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iq_handler_(iq_handler) {
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}
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private:
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friend class XmppEngineImpl;
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const std::string id_;
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const std::string to_;
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XmppEngine * const engine_;
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XmppIqHandler * const iq_handler_;
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};
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XmppReturnStatus
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XmppEngineImpl::SendIq(const XmlElement * element, XmppIqHandler * iq_handler,
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XmppIqCookie* cookie) {
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if (state_ == STATE_CLOSED)
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return XMPP_RETURN_BADSTATE;
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if (NULL == iq_handler)
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return XMPP_RETURN_BADARGUMENT;
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if (!element || element->Name() != QN_IQ)
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return XMPP_RETURN_BADARGUMENT;
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const std::string& type = element->Attr(QN_TYPE);
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if (type != "get" && type != "set")
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return XMPP_RETURN_BADARGUMENT;
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if (!element->HasAttr(QN_ID))
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return XMPP_RETURN_BADARGUMENT;
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const std::string& id = element->Attr(QN_ID);
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XmppIqEntry * iq_entry = new XmppIqEntry(id,
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element->Attr(QN_TO),
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this, iq_handler);
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iq_entries_->push_back(iq_entry);
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SendStanza(element);
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if (cookie)
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*cookie = iq_entry;
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return XMPP_RETURN_OK;
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}
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XmppReturnStatus
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XmppEngineImpl::RemoveIqHandler(XmppIqCookie cookie,
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XmppIqHandler ** iq_handler) {
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std::vector<XmppIqEntry*, std::allocator<XmppIqEntry*> >::iterator pos;
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pos = std::find(iq_entries_->begin(),
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iq_entries_->end(),
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reinterpret_cast<XmppIqEntry*>(cookie));
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if (pos == iq_entries_->end())
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return XMPP_RETURN_BADARGUMENT;
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XmppIqEntry* entry = *pos;
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iq_entries_->erase(pos);
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if (iq_handler)
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*iq_handler = entry->iq_handler_;
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delete entry;
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return XMPP_RETURN_OK;
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}
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void
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XmppEngineImpl::DeleteIqCookies() {
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for (size_t i = 0; i < iq_entries_->size(); i += 1) {
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XmppIqEntry * iq_entry_ = (*iq_entries_)[i];
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(*iq_entries_)[i] = NULL;
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delete iq_entry_;
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}
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iq_entries_->clear();
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}
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static void
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AecImpl(XmlElement * error_element, const QName & name,
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const char * type, const char * code) {
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error_element->AddElement(new XmlElement(QN_ERROR));
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error_element->AddAttr(QN_CODE, code, 1);
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error_element->AddAttr(QN_TYPE, type, 1);
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error_element->AddElement(new XmlElement(name, true), 1);
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}
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static void
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AddErrorCode(XmlElement * error_element, XmppStanzaError code) {
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switch (code) {
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case XSE_BAD_REQUEST:
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AecImpl(error_element, QN_STANZA_BAD_REQUEST, "modify", "400");
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break;
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case XSE_CONFLICT:
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AecImpl(error_element, QN_STANZA_CONFLICT, "cancel", "409");
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break;
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case XSE_FEATURE_NOT_IMPLEMENTED:
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AecImpl(error_element, QN_STANZA_FEATURE_NOT_IMPLEMENTED,
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"cancel", "501");
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break;
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case XSE_FORBIDDEN:
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AecImpl(error_element, QN_STANZA_FORBIDDEN, "auth", "403");
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break;
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case XSE_GONE:
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AecImpl(error_element, QN_STANZA_GONE, "modify", "302");
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break;
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case XSE_INTERNAL_SERVER_ERROR:
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AecImpl(error_element, QN_STANZA_INTERNAL_SERVER_ERROR, "wait", "500");
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break;
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case XSE_ITEM_NOT_FOUND:
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AecImpl(error_element, QN_STANZA_ITEM_NOT_FOUND, "cancel", "404");
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break;
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case XSE_JID_MALFORMED:
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AecImpl(error_element, QN_STANZA_JID_MALFORMED, "modify", "400");
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break;
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case XSE_NOT_ACCEPTABLE:
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AecImpl(error_element, QN_STANZA_NOT_ACCEPTABLE, "cancel", "406");
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break;
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case XSE_NOT_ALLOWED:
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AecImpl(error_element, QN_STANZA_NOT_ALLOWED, "cancel", "405");
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break;
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case XSE_PAYMENT_REQUIRED:
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AecImpl(error_element, QN_STANZA_PAYMENT_REQUIRED, "auth", "402");
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break;
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case XSE_RECIPIENT_UNAVAILABLE:
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AecImpl(error_element, QN_STANZA_RECIPIENT_UNAVAILABLE, "wait", "404");
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break;
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case XSE_REDIRECT:
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AecImpl(error_element, QN_STANZA_REDIRECT, "modify", "302");
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break;
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case XSE_REGISTRATION_REQUIRED:
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AecImpl(error_element, QN_STANZA_REGISTRATION_REQUIRED, "auth", "407");
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break;
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case XSE_SERVER_NOT_FOUND:
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AecImpl(error_element, QN_STANZA_REMOTE_SERVER_NOT_FOUND,
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"cancel", "404");
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break;
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case XSE_SERVER_TIMEOUT:
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AecImpl(error_element, QN_STANZA_REMOTE_SERVER_TIMEOUT, "wait", "502");
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break;
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case XSE_RESOURCE_CONSTRAINT:
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AecImpl(error_element, QN_STANZA_RESOURCE_CONSTRAINT, "wait", "500");
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break;
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case XSE_SERVICE_UNAVAILABLE:
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AecImpl(error_element, QN_STANZA_SERVICE_UNAVAILABLE, "cancel", "503");
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break;
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case XSE_SUBSCRIPTION_REQUIRED:
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AecImpl(error_element, QN_STANZA_SUBSCRIPTION_REQUIRED, "auth", "407");
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break;
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case XSE_UNDEFINED_CONDITION:
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AecImpl(error_element, QN_STANZA_UNDEFINED_CONDITION, "wait", "500");
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break;
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case XSE_UNEXPECTED_REQUEST:
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AecImpl(error_element, QN_STANZA_UNEXPECTED_REQUEST, "wait", "400");
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break;
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}
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}
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XmppReturnStatus
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XmppEngineImpl::SendStanzaError(const XmlElement * element_original,
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XmppStanzaError code,
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const std::string & text) {
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if (state_ == STATE_CLOSED)
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return XMPP_RETURN_BADSTATE;
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XmlElement error_element(element_original->Name());
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error_element.AddAttr(QN_TYPE, "error");
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// copy attrs, copy 'from' to 'to' and strip 'from'
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for (const XmlAttr * attribute = element_original->FirstAttr();
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attribute; attribute = attribute->NextAttr()) {
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QName name = attribute->Name();
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if (name == QN_TO)
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continue; // no need to put a from attr. Server will stamp stanza
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else if (name == QN_FROM)
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name = QN_TO;
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else if (name == QN_TYPE)
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continue;
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error_element.AddAttr(name, attribute->Value());
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}
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// copy children
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for (const XmlChild * child = element_original->FirstChild();
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child;
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child = child->NextChild()) {
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if (child->IsText()) {
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error_element.AddText(child->AsText()->Text());
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} else {
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error_element.AddElement(new XmlElement(*(child->AsElement())));
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}
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}
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// add error information
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AddErrorCode(&error_element, code);
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if (text != STR_EMPTY) {
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XmlElement * text_element = new XmlElement(QN_STANZA_TEXT, true);
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text_element->AddText(text);
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error_element.AddElement(text_element);
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}
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SendStanza(&error_element);
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return XMPP_RETURN_OK;
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}
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bool
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XmppEngineImpl::HandleIqResponse(const XmlElement * element) {
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if (iq_entries_->empty())
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return false;
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if (element->Name() != QN_IQ)
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return false;
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std::string type = element->Attr(QN_TYPE);
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if (type != "result" && type != "error")
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return false;
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if (!element->HasAttr(QN_ID))
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return false;
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std::string id = element->Attr(QN_ID);
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std::string from = element->Attr(QN_FROM);
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for (std::vector<XmppIqEntry *>::iterator it = iq_entries_->begin();
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it != iq_entries_->end(); it += 1) {
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XmppIqEntry * iq_entry = *it;
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if (iq_entry->id_ == id && iq_entry->to_ == from) {
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iq_entries_->erase(it);
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iq_entry->iq_handler_->IqResponse(iq_entry, element);
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delete iq_entry;
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return true;
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}
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}
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return false;
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}
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}
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