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Added EncryptionChatMessageModifier + moved some logic of ChatMessage reception from ChatRoom to the message itself

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This commit is contained in:
Sylvain Berfini 2017-10-03 11:07:46 +02:00
parent da23396b6e
commit 61d1cdd8b0
12 changed files with 198 additions and 73 deletions
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2
src/CMakeLists.txt
View file

@ -48,6 +48,7 @@ set(LINPHONE_CXX_OBJECTS_PRIVATE_HEADER_FILES
chat/is-composing.h
chat/modifier/chat-message-modifier.h
chat/modifier/cpim-chat-message-modifier.h
chat/modifier/encryption-chat-message-modifier.h
chat/modifier/multipart-chat-message-modifier.h
chat/real-time-text-chat-room-p.h
chat/real-time-text-chat-room.h
@ -129,6 +130,7 @@ set(LINPHONE_CXX_OBJECTS_SOURCE_FILES
chat/imdn.cpp
chat/is-composing.cpp
chat/modifier/cpim-chat-message-modifier.cpp
chat/modifier/encryption-chat-message-modifier.cpp
chat/modifier/multipart-chat-message-modifier.cpp
chat/real-time-text-chat-room.cpp
conference/conference.cpp

4
src/chat/chat-message-p.h
View file

@ -29,6 +29,7 @@ LINPHONE_BEGIN_NAMESPACE
class ChatMessagePrivate : public ObjectPrivate {
friend class CpimChatMessageModifier;
friend class EncryptionChatMessageModifier;
friend class MultipartChatMessageModifier;
public:
@ -98,6 +99,7 @@ public:
void sendImdn(ImdnType imdnType, LinphoneReason reason);
LinphoneReason receive();
void send();
private:
@ -143,6 +145,8 @@ private:
int startHttpTransfer(std::string url, std::string action, belle_http_request_listener_callbacks_t *cbs);
void releaseHttpRequest();
std::shared_ptr<ChatMessage> getPublicSharedPtr();
// -----------------------------------------------------------------------------

86
src/chat/chat-message.cpp
View file

@ -29,9 +29,11 @@
#include "content/content.h"
#include "chat-room-p.h"
#include "real-time-text-chat-room.h"
#include "modifier/multipart-chat-message-modifier.h"
#include "modifier/cpim-chat-message-modifier.h"
#include "modifier/encryption-chat-message-modifier.h"
#include "modifier/multipart-chat-message-modifier.h"
#include "logger/logger.h"
#include "ortp/b64.h"
// =============================================================================
@ -53,6 +55,11 @@ ChatMessagePrivate::~ChatMessagePrivate () {}
// -----------------------------------------------------------------------------
shared_ptr<ChatMessage> ChatMessagePrivate::getPublicSharedPtr() {
L_Q();
return q->getSharedPtr();
}
void ChatMessagePrivate::setChatRoom (shared_ptr<ChatRoom> cr) {
chatRoom = cr;
}
@ -887,6 +894,59 @@ void ChatMessagePrivate::releaseHttpRequest() {
}
}
LinphoneReason ChatMessagePrivate::receive() {
L_Q();
LinphoneReason reason = LinphoneReasonNone;
bool store = false;
// ---------------------------------------
// Start of message modification
// ---------------------------------------
EncryptionChatMessageModifier ecmm;
int retval = 0;
retval = ecmm.decode(this);
if (retval > 0) {
/* Unable to decrypt message */
chatRoom->getPrivate()->notifyUndecryptableMessageReceived(getPublicSharedPtr());
reason = linphone_error_code_to_reason(retval);
q->sendDeliveryNotification(reason);
/* Return LinphoneReasonNone to avoid flexisip resending us a message we can't decrypt */
reason = LinphoneReasonNone;
goto end;
}
// ---------------------------------------
// End of message modification
// ---------------------------------------
if ((retval <= 0) && (linphone_core_is_content_type_supported(chatRoom->getCore(), getContentType().c_str()) == FALSE)) {
retval = 415;
lError() << "Unsupported MESSAGE (content-type " << getContentType() << " not recognized)";
}
if (retval > 0) {
reason = linphone_error_code_to_reason(retval);
q->sendDeliveryNotification(reason);
goto end;
}
if (ContentType::isFileTransfer(getContentType())) {
create_file_transfer_information_from_vnd_gsma_rcs_ft_http_xml(L_GET_C_BACK_PTR(getPublicSharedPtr()));
store = true;
} else if (ContentType::isText(getContentType())) {
store = true;
}
if (store) {
q->store();
}
end:
return reason;
}
void ChatMessagePrivate::send() {
L_Q();
SalOp *op = salOp;
@ -941,19 +1001,14 @@ void ChatMessagePrivate::send() {
if (!getContentType().empty()) {
clearTextContentType = getContentType();
}
int retval = -1;
LinphoneImEncryptionEngine *imee = chatRoom->getCore()->im_encryption_engine;
if (imee) {
LinphoneImEncryptionEngineCbs *imeeCbs = linphone_im_encryption_engine_get_callbacks(imee);
LinphoneImEncryptionEngineCbsOutgoingMessageCb cbProcessOutgoingMessage = linphone_im_encryption_engine_cbs_get_process_outgoing_message(imeeCbs);
if (cbProcessOutgoingMessage) {
retval = cbProcessOutgoingMessage(imee, L_GET_C_BACK_PTR(chatRoom), L_GET_C_BACK_PTR(q->getSharedPtr()));
if (retval == 0) {
isSecured = true;
}
}
if (contents.size() > 1) {
MultipartChatMessageModifier mcmm;
mcmm.encode(this);
}
EncryptionChatMessageModifier ecmm;
int retval = ecmm.encode(this);
if (retval > 0) {
sal_error_info_set((SalErrorInfo *)op->get_error_info(), SalReasonNotAcceptable, "SIP", retval, "Unable to encrypt IM", nullptr);
@ -962,11 +1017,6 @@ void ChatMessagePrivate::send() {
return;
}
if (contents.size() > 1) {
MultipartChatMessageModifier mcmm;
mcmm.encode(this);
}
if (lp_config_get_int(chatRoom->getCore()->config, "sip", "use_cpim", 0) == 1) {
CpimChatMessageModifier ccmm;
ccmm.encode(this);

1
src/chat/chat-room-p.h
View file

@ -35,6 +35,7 @@
LINPHONE_BEGIN_NAMESPACE
class ChatRoomPrivate : public ObjectPrivate, public IsComposingListener {
friend class ChatMessagePrivate;
public:
ChatRoomPrivate (LinphoneCore *core);
virtual ~ChatRoomPrivate ();

47
src/chat/chat-room.cpp
View file

@ -416,57 +416,20 @@ LinphoneReason ChatRoomPrivate::messageReceived (SalOp *op, const SalMessage *sa
if (salMsg->url)
msg->setExternalBodyUrl(salMsg->url);
int retval = -1;
LinphoneImEncryptionEngine *imee = core->im_encryption_engine;
if (imee) {
LinphoneImEncryptionEngineCbs *imeeCbs = linphone_im_encryption_engine_get_callbacks(imee);
LinphoneImEncryptionEngineCbsIncomingMessageCb cbProcessIncomingMessage = linphone_im_encryption_engine_cbs_get_process_incoming_message(imeeCbs);
if (cbProcessIncomingMessage) {
retval = cbProcessIncomingMessage(imee, L_GET_C_BACK_PTR(q), L_GET_C_BACK_PTR(msg));
if (retval == 0) {
msg->setIsSecured(true);
} else if (retval > 0) {
/* Unable to decrypt message */
notifyUndecryptableMessageReceived(msg);
reason = linphone_error_code_to_reason(retval);
msg->sendDeliveryNotification(reason);
/* Return LinphoneReasonNone to avoid flexisip resending us a message we can't decrypt */
reason = LinphoneReasonNone;
goto end;
}
}
}
reason = msg->getPrivate()->receive();
if ((retval <= 0) && (linphone_core_is_content_type_supported(core, msg->getPrivate()->getContentType().c_str()) == FALSE)) {
retval = 415;
lError() << "Unsupported MESSAGE (content-type " << msg->getPrivate()->getContentType() << " not recognized)";
}
if (retval > 0) {
reason = linphone_error_code_to_reason(retval);
msg->sendDeliveryNotification(reason);
goto end;
}
if (ContentType::isFileTransfer(msg->getPrivate()->getContentType())) {
create_file_transfer_information_from_vnd_gsma_rcs_ft_http_xml(L_GET_C_BACK_PTR(msg));
msg->setIsToBeStored(true);
} else if (ContentType::isImIsComposing(msg->getPrivate()->getContentType())) {
if (ContentType::isImIsComposing(msg->getPrivate()->getContentType())) {
isComposingReceived(msg->getPrivate()->getText());
msg->setIsToBeStored(false);
increaseMsgCount = FALSE;
if (lp_config_get_int(core->config, "sip", "deliver_imdn", 0) != 1) {
goto end;
}
} else if (ContentType::isImdn(msg->getPrivate()->getContentType())) {
imdnReceived(msg->getPrivate()->getText());
msg->setIsToBeStored(false);
increaseMsgCount = FALSE;
if (lp_config_get_int(core->config, "sip", "deliver_imdn", 0) != 1) {
goto end;
}
} else if (ContentType::isText(msg->getPrivate()->getContentType())) {
msg->setIsToBeStored(true);
}
if (increaseMsgCount) {
@ -482,10 +445,6 @@ LinphoneReason ChatRoomPrivate::messageReceived (SalOp *op, const SalMessage *sa
chatMessageReceived(msg);
if (msg->isToBeStored()) {
msg->store();
}
pendingMessage = nullptr;
end:
@ -751,7 +710,7 @@ void ChatRoom::markAsRead () {
sqlite3_free(buf);
if (d->pendingMessage) {
d->pendingMessage->getPrivate()->setState(ChatMessage::State::Displayed);
d->pendingMessage->updateState(ChatMessage::State::Displayed);
d->pendingMessage->sendDisplayNotification();
}

5
src/chat/modifier/chat-message-modifier.h
View file

@ -20,7 +20,6 @@
#define _CHAT_MESSAGE_MODIFIER_H_
#include "linphone/utils/general.h"
#include "private.h"
// =============================================================================
@ -33,8 +32,8 @@ class ChatMessageModifier {
public:
virtual ~ChatMessageModifier () = default;
virtual void encode (ChatMessagePrivate *messagePrivate) = 0;
virtual void decode (ChatMessagePrivate *messagePrivate) = 0;
virtual int encode (ChatMessagePrivate *messagePrivate) = 0;
virtual int decode (ChatMessagePrivate *messagePrivate) = 0;
};
LINPHONE_END_NAMESPACE

6
src/chat/modifier/cpim-chat-message-modifier.cpp
View file

@ -30,7 +30,7 @@ using namespace std;
LINPHONE_BEGIN_NAMESPACE
void CpimChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
int CpimChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
Cpim::Message message;
Cpim::GenericHeader cpimContentTypeHeader;
cpimContentTypeHeader.setName("Content-Type");
@ -68,9 +68,10 @@ void CpimChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
newContent->setBody(message.asString());
messagePrivate->internalContent = newContent;
}
return 0;
}
void CpimChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
int CpimChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
shared_ptr<Content> content;
if (messagePrivate->internalContent) {
content = messagePrivate->internalContent;
@ -94,6 +95,7 @@ void CpimChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
} else {
//TODO
}
return 0;
}
LINPHONE_END_NAMESPACE

4
src/chat/modifier/cpim-chat-message-modifier.h
View file

@ -29,8 +29,8 @@ class CpimChatMessageModifier : public ChatMessageModifier {
public:
CpimChatMessageModifier () = default;
void encode (ChatMessagePrivate *messagePrivate) override;
void decode (ChatMessagePrivate *messagePrivate) override;
int encode (ChatMessagePrivate *messagePrivate) override;
int decode (ChatMessagePrivate *messagePrivate) override;
};
LINPHONE_END_NAMESPACE

68
src/chat/modifier/encryption-chat-message-modifier.cpp Normal file
View file

@ -0,0 +1,68 @@
/*
* encryption-chat-message-modifier.cpp
* Copyright (C) 2017 Belledonne Communications SARL
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "encryption-chat-message-modifier.h"
#include "object/object-p.h"
#include "c-wrapper/c-wrapper.h"
#include "content/content-type.h"
#include "content/content.h"
#include "address/address.h"
#include "chat/chat-room.h"
#include "chat/chat-message-p.h"
// =============================================================================
using namespace std;
LINPHONE_BEGIN_NAMESPACE
int EncryptionChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
int retval = -1;
LinphoneImEncryptionEngine *imee = messagePrivate->chatRoom->getCore()->im_encryption_engine;
if (imee) {
LinphoneImEncryptionEngineCbs *imeeCbs = linphone_im_encryption_engine_get_callbacks(imee);
LinphoneImEncryptionEngineCbsOutgoingMessageCb cbProcessOutgoingMessage = linphone_im_encryption_engine_cbs_get_process_outgoing_message(imeeCbs);
if (cbProcessOutgoingMessage) {
retval = cbProcessOutgoingMessage(imee, L_GET_C_BACK_PTR(messagePrivate->chatRoom), L_GET_C_BACK_PTR(messagePrivate->getPublicSharedPtr()));
if (retval == 0) {
messagePrivate->isSecured = true;
}
}
}
return retval;
}
int EncryptionChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
int retval = -1;
LinphoneImEncryptionEngine *imee = messagePrivate->chatRoom->getCore()->im_encryption_engine;
if (imee) {
LinphoneImEncryptionEngineCbs *imeeCbs = linphone_im_encryption_engine_get_callbacks(imee);
LinphoneImEncryptionEngineCbsIncomingMessageCb cbProcessIncomingMessage = linphone_im_encryption_engine_cbs_get_process_incoming_message(imeeCbs);
if (cbProcessIncomingMessage) {
retval = cbProcessIncomingMessage(imee, L_GET_C_BACK_PTR(messagePrivate->chatRoom), L_GET_C_BACK_PTR(messagePrivate->getPublicSharedPtr()));
if (retval == 0) {
messagePrivate->isSecured = true;
}
}
}
return retval;
}
LINPHONE_END_NAMESPACE

38
src/chat/modifier/encryption-chat-message-modifier.h Normal file
View file

@ -0,0 +1,38 @@
/*
* encryption-chat-message-modifier.h
* Copyright (C) 2017 Belledonne Communications SARL
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ENCRYPTION_CHAT_MESSAGE_MODIFIER_H_
#define _ENCRYPTION_CHAT_MESSAGE_MODIFIER_H_
#include "chat-message-modifier.h"
// =============================================================================
LINPHONE_BEGIN_NAMESPACE
class EncryptionChatMessageModifier : public ChatMessageModifier {
public:
EncryptionChatMessageModifier () = default;
int encode (ChatMessagePrivate *messagePrivate) override;
int decode (ChatMessagePrivate *messagePrivate) override;
};
LINPHONE_END_NAMESPACE
#endif // ifndef _ENCRYPTION_CHAT_MESSAGE_MODIFIER_H_

6
src/chat/modifier/multipart-chat-message-modifier.cpp
View file

@ -26,14 +26,16 @@ using namespace std;
LINPHONE_BEGIN_NAMESPACE
void MultipartChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
int MultipartChatMessageModifier::encode (ChatMessagePrivate *messagePrivate) {
if (messagePrivate->contents.size() > 1) {
//TODO
}
return 0;
}
void MultipartChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
int MultipartChatMessageModifier::decode (ChatMessagePrivate *messagePrivate) {
//TODO
return 0;
}
LINPHONE_END_NAMESPACE

4
src/chat/modifier/multipart-chat-message-modifier.h
View file

@ -29,8 +29,8 @@ class MultipartChatMessageModifier : public ChatMessageModifier {
public:
MultipartChatMessageModifier () = default;
void encode (ChatMessagePrivate *message) override;
void decode (ChatMessagePrivate *message) override;
int encode (ChatMessagePrivate *message) override;
int decode (ChatMessagePrivate *message) override;
};
LINPHONE_END_NAMESPACE