summaryrefslogtreecommitdiff
path: root/protocols/WhatsApp/src/connection.cpp
blob: 5fc08ec1dc1292c37059a887d028682db55d8bc7 (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
226
227
228
229
230
231
232
233
234
235
236
#include "common.h"

void WhatsAppProto::ChangeStatus(void*)
{
	if (m_iDesiredStatus != ID_STATUS_OFFLINE && m_iStatus == ID_STATUS_OFFLINE)
	{
		ResetEvent(update_loop_lock_);
		ForkThread(&WhatsAppProto::sentinelLoop, this);
		ForkThread(&WhatsAppProto::stayConnectedLoop, this);
	}
	else if (m_iStatus == ID_STATUS_INVISIBLE && m_iDesiredStatus == ID_STATUS_ONLINE)
	{
		if (this->connection != NULL)
		{
			this->connection->sendAvailableForChat();
			m_iStatus = ID_STATUS_ONLINE;
			ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE) m_iStatus, ID_STATUS_INVISIBLE);
		}
	}
	else if (m_iStatus == ID_STATUS_ONLINE && m_iDesiredStatus == ID_STATUS_INVISIBLE)
	{
		if (this->connection != NULL)
		{
			this->connection->sendClose();
			m_iStatus = ID_STATUS_INVISIBLE;
			SetAllContactStatuses( ID_STATUS_OFFLINE, true );
			ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE) m_iStatus, ID_STATUS_ONLINE);
		}
	}
	else if (m_iDesiredStatus == ID_STATUS_OFFLINE)
	{
		if (this->conn != NULL)
		{
			SetEvent(update_loop_lock_);
			this->conn->forceShutdown();
			debugLogA("Forced shutdown");
		}
	}
}

void WhatsAppProto::stayConnectedLoop(void*)
{
	bool error = true;
	std::string cc, in, pass;
	DBVARIANT dbv = {0};

	if ( !getString(WHATSAPP_KEY_CC, &dbv))
	{
		cc = dbv.pszVal;
		db_free(&dbv);
		error = cc.empty();
	}
	if (error)
	{
		NotifyEvent(m_tszUserName,TranslateT("Please enter a country-code."),NULL,WHATSAPP_EVENT_CLIENT);
		return;
	}

	error = true;
	if ( !getString(WHATSAPP_KEY_LOGIN, &dbv))
	{
		in = dbv.pszVal;
		db_free(&dbv);
		error = in.empty();
	}
	if (error)
	{
		NotifyEvent(m_tszUserName,TranslateT("Please enter a phone-number without country code."),NULL,WHATSAPP_EVENT_CLIENT);
		return;
	}
	this->phoneNumber = cc + in;
	this->jid = this->phoneNumber + "@s.whatsapp.net";

	error = true;
	if ( !getString(WHATSAPP_KEY_NICK, &dbv))
	{
		this->nick = dbv.pszVal;
		db_free(&dbv);
		error = nick.empty();
	}
	if (error)
	{
		NotifyEvent(m_tszUserName, TranslateT("Please enter a nickname."), NULL, WHATSAPP_EVENT_CLIENT);
		return;
	}

	error = true;
	if ( !getString(WHATSAPP_KEY_PASS, &dbv))
	{
		pass = dbv.pszVal;
		db_free(&dbv);
		error = pass.empty();
	}
	if (error)
	{
		NotifyEvent(m_tszUserName,TranslateT("Please enter a password."),NULL,WHATSAPP_EVENT_CLIENT);
		return;
	}

	// -----------------------------

	Mutex writerMutex;
	WALogin* login = NULL;
	int desiredStatus;

	this->conn = NULL;

	while (true)
	{
		if (connection != NULL)
		{
			if (connection->getLogin() == NULL && login != NULL)
			{
				delete login;
				login = NULL;
			}
			delete connection;
			connection = NULL;
		}
		if (this->conn != NULL)
		{
			delete this->conn;
			this->conn = NULL;
		}

		desiredStatus = this->m_iDesiredStatus;
		if (desiredStatus == ID_STATUS_OFFLINE || error)
		{
			debugLogA("Set status to offline");
			SetAllContactStatuses( ID_STATUS_OFFLINE, true );
			this->ToggleStatusMenuItems(false);
			int prevStatus = this->m_iStatus;
			this->m_iStatus = ID_STATUS_OFFLINE;
			ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE) m_iStatus, prevStatus);
			break;
		}

		debugLogA("Connecting...");
		this->m_iStatus = ID_STATUS_CONNECTING;
		ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE) ID_STATUS_OFFLINE, m_iStatus);

		CODE_BLOCK_TRY
			unsigned passLen;
			ptrA passBin((char*)mir_base64_decode(pass.c_str(), &passLen));
			std::string password(passBin, passLen), resource = ACCOUNT_RESOURCE;
			int portNumber;
			if (getByte(WHATSAPP_KEY_SSL, 0))
				portNumber = 443, resource += "-443";
			else
				portNumber = 5222, resource += "-5222";
				
			this->conn = new WASocketConnection("c.whatsapp.net", portNumber);

			connection = new WAConnection(&this->connMutex, this, this);
			login = new WALogin(connection, new BinTreeNodeReader(connection, conn, WAConnection::dictionary, WAConnection::DICTIONARY_LEN),
					new BinTreeNodeWriter(connection, conn, WAConnection::dictionary, WAConnection::DICTIONARY_LEN, &writerMutex),
					"s.whatsapp.net", this->phoneNumber, resource, password, nick);

			std::vector<unsigned char>* nextChallenge = login->login(*this->challenge);
			delete this->challenge;
			this->challenge = nextChallenge;
			connection->setLogin(login);
			connection->setVerboseId(true); // ?
			if (desiredStatus != ID_STATUS_INVISIBLE) {
				connection->sendAvailableForChat();
			}

			debugLogA("Set status to online");
			this->m_iStatus = desiredStatus;
			ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE )m_iStatus, ID_STATUS_CONNECTING);
			this->ToggleStatusMenuItems(true);

			ForkThread(&WhatsAppProto::ProcessBuddyList, this);

			// #TODO Move out of try block. Exception is expected on disconnect
			bool cont = true;
			while (cont == true)
			{
				this->lastPongTime = time(NULL);
				cont = connection->read();
			}
			debugLogA("Exit from read-loop");

		CODE_BLOCK_CATCH(WAException)
			error = true;
		CODE_BLOCK_CATCH(exception)
			error = true;
		CODE_BLOCK_CATCH_UNKNOWN
			error = true;
		CODE_BLOCK_END
	}
	debugLogA("Break out from loop");
}

void WhatsAppProto::sentinelLoop(void*)
{
	int delay = MAX_SILENT_INTERVAL;
	int quietInterval;
	while (WaitForSingleObjectEx(update_loop_lock_, delay * 1000, true) == WAIT_TIMEOUT)
	{
		if (this->m_iStatus != ID_STATUS_OFFLINE && this->connection != NULL && this->m_iDesiredStatus == this->m_iStatus)
		{
			// #TODO Quiet after pong or tree read?
			quietInterval = difftime(time(NULL), this->lastPongTime);
			if (quietInterval >= MAX_SILENT_INTERVAL)
			{
				CODE_BLOCK_TRY
					debugLogA("send ping");
					this->lastPongTime = time(NULL);
					this->connection->sendPing();
				CODE_BLOCK_CATCH(exception)
				CODE_BLOCK_END
			}
			else
			{
				delay = MAX_SILENT_INTERVAL - quietInterval;
			}
		}
		else
		{
			delay = MAX_SILENT_INTERVAL;
		}
	}
	ResetEvent(update_loop_lock_);
	debugLogA("Exiting sentinel loop");
}

void WhatsAppProto::onPing(const std::string& id)
{
	if (this->isOnline()) {
		CODE_BLOCK_TRY
			debugLogA("Sending pong with id %s", id.c_str());
			this->connection->sendPong(id);
		CODE_BLOCK_CATCH_ALL
	}
}