summaryrefslogtreecommitdiff
path: root/protocols/SkypeWeb/src/skype_messages.cpp
blob: 05b6c7b35d83e6b4fc68b6996f4a05510bba9e12 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
#include "common.h"

MEVENT CSkypeProto::GetMessageFromDB(MCONTACT hContact, DWORD timestamp, const char *messageId)
{
	mir_cslock lock(messageSyncLock);

	size_t messageIdLength = mir_strlen(messageId);
	for (MEVENT hDbEvent = db_event_last(hContact); hDbEvent; hDbEvent = db_event_prev(hContact, hDbEvent))
	{
		DBEVENTINFO dbei = { sizeof(dbei) };
		dbei.cbBlob = db_event_getBlobSize(hDbEvent);
		if (dbei.cbBlob < messageIdLength)
			continue;

		mir_ptr<BYTE> blob((PBYTE)mir_alloc(dbei.cbBlob));
		dbei.pBlob = blob;
		db_event_get(hDbEvent, &dbei);

		if (dbei.timestamp < timestamp)
			break;

		if ((dbei.eventType == EVENTTYPE_MESSAGE || dbei.eventType == SKYPE_DB_EVENT_TYPE_ACTION))
			if (memcmp(&dbei.pBlob[dbei.cbBlob - messageIdLength], messageId, messageIdLength) == 0)
				return hDbEvent;
	}

	return NULL;
}

MEVENT CSkypeProto::AddMessageToDb(MCONTACT hContact, DWORD timestamp, DWORD flags, const char *messageId, char *content, int emoteOffset)
{
	if (MEVENT hDbEvent = GetMessageFromDB(hContact, timestamp, messageId))
		return hDbEvent;

	size_t messageLength = mir_strlen(&content[emoteOffset]) + 1;
	size_t messageIdLength = mir_strlen(messageId);
	size_t cbBlob = messageLength + messageIdLength;
	PBYTE pBlob = (PBYTE)mir_alloc(cbBlob);
	memcpy(pBlob, &content[emoteOffset], messageLength);
	memcpy(pBlob + messageLength, messageId, messageIdLength);

	return AddEventToDb(hContact, emoteOffset == 0 ? EVENTTYPE_MESSAGE : SKYPE_DB_EVENT_TYPE_ACTION, timestamp, flags, cbBlob, pBlob);
}

/* MESSAGE RECEIVING */

// incoming message flow
int CSkypeProto::OnReceiveMessage(const char *messageId, const char *url, time_t timestamp, char *content, int emoteOffset, bool isRead)
{
	ptrA skypename(ContactUrlToName(url));
	setDword("LastMsgTime", timestamp);
	PROTORECVEVENT recv = { 0 };
	recv.flags = PREF_UTF;
	recv.timestamp = timestamp;
	recv.szMessage = content;
	recv.lParam = emoteOffset;
	recv.pCustomData = (void*)messageId;
	recv.cbCustomDataSize = mir_strlen(messageId);
	if (isRead)
		recv.flags |= PREF_CREATEREAD;
	debugLogA("Incoming message from %s", skypename);
	MCONTACT hContact = GetContact(skypename);
	return ProtoChainRecvMsg(hContact, &recv);
}

// writing message/even into db
int CSkypeProto::SaveMessageToDb(MCONTACT hContact, PROTORECVEVENT *pre)
{
	//return Proto_RecvMessage(hContact, pre);
	if (pre->szMessage == NULL)
		return NULL;

	int flags = DBEF_UTF;
	if ((pre->flags & PREF_CREATEREAD) == PREF_CREATEREAD)
		flags |= DBEF_READ;
	if ((pre->flags & PREF_SENT) == PREF_SENT)
		flags |= DBEF_SENT;

	return AddMessageToDb(hContact, pre->timestamp, flags, (char*)pre->pCustomData, pre->szMessage, pre->lParam);
}

/* MESSAGE SENDING */

struct SendMessageParam
{
	MCONTACT hContact;
	HANDLE hMessage;
};

// outcoming message flow
int CSkypeProto::OnSendMessage(MCONTACT hContact, int flags, const char *szMessage)
{
	if (!IsOnline())
	{
		ProtoBroadcastAck(hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, NULL, (LPARAM)"You cannot send when you are offline.");
		return 0;
	}

	time_t timestamp = time(NULL); //InterlockedIncrement(&hMessageProcess);

	SendMessageParam *param = new SendMessageParam();
	param->hContact = hContact;
	param->hMessage = (HANDLE)timestamp;

	ptrA message;
	if (flags & PREF_UNICODE)
		message = mir_utf8encodeW((wchar_t*)&szMessage[mir_strlen(szMessage) + 1]);
	else if (flags & PREF_UTF)
		message = mir_strdup(szMessage);
	else
		message = mir_utf8encode(szMessage);

	ptrA server(getStringA("Server"));
	ptrA token(getStringA("registrationToken"));
	ptrA username(getStringA(hContact, "Skypename"));
	if (strncmp(message, "/me ", 4) == 0)
	{
		PushRequest(new SendActionRequest(token, username, timestamp, &message[4], server), &CSkypeProto::OnMessageSent, param);
		return timestamp;
	}
	PushRequest(new SendMessageRequest(token, username, timestamp, message, server), &CSkypeProto::OnMessageSent, param);
	return timestamp;
}

void CSkypeProto::OnMessageSent(const NETLIBHTTPREQUEST *response, void *arg)
{
	SendMessageParam *param = (SendMessageParam*)arg;
	MCONTACT hContact = param->hContact;
	HANDLE hMessage = param->hMessage;
	delete param;
	if (response == NULL)
	{
		ProtoBroadcastAck(hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, hMessage, (LPARAM)"Response = NULL");
		return;
	}
	if (response->resultCode != 200 && response->resultCode != 201)
	{
		CMStringA error = "Unknown error";
		if (response)
		{
			JSONROOT root(response->pData);
			JSONNODE *node = json_get(root, "errorCode");
			error = _T2A(json_as_string(node));
		}
		ptrT username(getTStringA(hContact, "Skypename"));
		debugLogA(__FUNCTION__": failed to send message for %s (%s)", username, error);
		ProtoBroadcastAck(hContact, ACKTYPE_MESSAGE, ACKRESULT_FAILED, hMessage, (LPARAM)error.GetBuffer());
		return;
	}
}

// preparing message/action to writing into db
int CSkypeProto::OnPreCreateMessage(WPARAM, LPARAM lParam)
{
	MessageWindowEvent *evt = (MessageWindowEvent*)lParam;
	if (mir_strcmp(GetContactProto(evt->hContact), m_szModuleName))
		return 0;

	char *message = (char*)evt->dbei->pBlob;
	if (strncmp(message, "/me ", 4) == 0)
	{
		evt->dbei->cbBlob = evt->dbei->cbBlob - 4;
		memmove(evt->dbei->pBlob, &evt->dbei->pBlob[4], evt->dbei->cbBlob);
		evt->dbei->eventType = SKYPE_DB_EVENT_TYPE_ACTION;
	}
	char messageId[20];
	itoa(evt->seq, messageId, 10);
	int messageIdLength = mir_strlen(messageId);
	evt->dbei->pBlob = (PBYTE)mir_realloc(evt->dbei->pBlob, evt->dbei->cbBlob + messageIdLength);
	memcpy(&evt->dbei->pBlob[evt->dbei->cbBlob], messageId, messageIdLength);
	evt->dbei->cbBlob += messageIdLength;

	return 1;
}

/* HISTORY SYNC */

void CSkypeProto::OnGetServerHistory(const NETLIBHTTPREQUEST *response)
{
	if (response == NULL)
		return;

	JSONROOT root(response->pData);
	if (root == NULL)
		return;

	JSONNODE *conversations = json_as_array(json_get(root, "messages"));
	for (size_t i = 0; i < json_size(conversations); i++)
	{
		JSONNODE *message = json_at(conversations, i);

		ptrA clientMsgId(mir_t2a(ptrT(json_as_string(json_get(message, "clientmessageid")))));
		ptrA skypeEditedId(mir_t2a(ptrT(json_as_string(json_get(message, "skypeeditedid")))));
		ptrA messageType(mir_t2a(ptrT(json_as_string(json_get(message, "messagetype")))));
		ptrA from(mir_t2a(ptrT(json_as_string(json_get(message, "from")))));
		ptrA content(mir_t2a(ptrT(json_as_string(json_get(message, "content")))));
		ptrT composeTime(json_as_string(json_get(message, "composetime")));
		ptrA conversationLink(mir_t2a(ptrT(json_as_string(json_get(message, "conversationLink")))));
		time_t timestamp = IsoToUnixTime(composeTime);
		if (conversationLink != NULL && strstr(conversationLink, "/8:"))
		{
			int emoteOffset = json_as_int(json_get(message, "skypeemoteoffset"));

			int flags = DBEF_UTF | DBEF_READ;

			ptrA skypename(ContactUrlToName(from));
			
			bool isMe = IsMe(skypename);
			if (isMe)
				flags |= DBEF_SENT;

			MCONTACT hContact = IsMe(skypename)
				? GetContact(ptrA(ContactUrlToName(conversationLink)))
				: GetContact(skypename);

			AddMessageToDb(hContact, timestamp, flags, clientMsgId, content, emoteOffset);
		}
	}
}

INT_PTR CSkypeProto::GetContactHistory(WPARAM hContact, LPARAM lParam)
{
	PushRequest(new GetHistoryRequest(ptrA(getStringA("registrationToken")), ptrA(db_get_sa(hContact, m_szModuleName, "Skypename")), ptrA(getStringA("Server"))), &CSkypeProto::OnGetServerHistory);
	return 0;
}