You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
280 lines
8.6 KiB
280 lines
8.6 KiB
/*
|
|
* 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;
|
|
}
|
|
|
|
}
|