summaryrefslogtreecommitdiff
path: root/protocols/Steam/src/steam_utils.cpp
blob: ea924eac865ada16083ad31ebf55bb4dab686557 (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
#include "stdafx.h"

#pragma comment(lib, "crypt32.lib")

WORD CSteamProto::SteamToMirandaStatus(int state)
{
	switch (state)
	{
	case 0: //Offline
		return ID_STATUS_OFFLINE;
	case 1: //Online
		return ID_STATUS_ONLINE;
	case 2: //Busy
		return ID_STATUS_DND;
	case 3: //Away
		return ID_STATUS_AWAY;
	case 4: //Snoozing
		return ID_STATUS_NA;
	case 5: //Looking to trade
		return ID_STATUS_OUTTOLUNCH;
	case 6: //Looking to play
		return ID_STATUS_FREECHAT;
	default:
		return ID_STATUS_ONLINE;
	}
}

int CSteamProto::MirandaToSteamState(int status)
{
	switch (status)
	{
	case ID_STATUS_OFFLINE:
		return 0; //Offline
	case ID_STATUS_ONLINE:
		return 1; //Online
	case ID_STATUS_DND:
		return 2; //Busy
	case ID_STATUS_AWAY:
		return 3; //Away
	case ID_STATUS_NA:
		return 4; //Snoozing
	case ID_STATUS_OUTTOLUNCH:
		return 5; //Looking to trade
	case ID_STATUS_FREECHAT:
		return 6; //Looking to play
	default:
		return 1;
	}
}

int CSteamProto::RsaEncrypt(const char *pszModulus, const char *data, BYTE *encryptedData, DWORD &encryptedSize)
{
	DWORD cchModulus = (DWORD)strlen(pszModulus);
	int result = 0;
	BYTE *pbBuffer = 0;
	BYTE *pKeyBlob = 0;
	HCRYPTKEY phKey = 0;
	HCRYPTPROV hCSP = 0;

	// convert hex string to byte array
	DWORD cbLen = 0, dwSkip = 0, dwFlags = 0;
	if (!CryptStringToBinaryA(pszModulus, cchModulus, CRYPT_STRING_HEX, NULL, &cbLen, &dwSkip, &dwFlags))
	{
		result = GetLastError();
		goto exit;
	}

	// allocate a new buffer.
	pbBuffer = (BYTE*)malloc(cbLen);
	if (!CryptStringToBinaryA(pszModulus, cchModulus, CRYPT_STRING_HEX, pbBuffer, &cbLen, &dwSkip, &dwFlags))
	{
		result = GetLastError();
		goto exit;
	}

	// reverse byte array, because of microsoft
	for (int i = 0; i < (int)(cbLen / 2); ++i)
	{
		BYTE temp = pbBuffer[cbLen - i - 1];
		pbBuffer[cbLen - i - 1] = pbBuffer[i];
		pbBuffer[i] = temp;
	}
	
	if (!CryptAcquireContext(&hCSP, NULL, NULL, PROV_RSA_AES, CRYPT_SILENT) &&
		!CryptAcquireContext(&hCSP, NULL, NULL, PROV_RSA_AES, CRYPT_SILENT | CRYPT_NEWKEYSET))
	{
		result = GetLastError();
		goto exit;
	}

	// Move the key into the key container.
	DWORD cbKeyBlob = sizeof(PUBLICKEYSTRUC) + sizeof(RSAPUBKEY) + cbLen;
	pKeyBlob = (BYTE*)malloc(cbKeyBlob);

	// Fill in the data.
	PUBLICKEYSTRUC *pPublicKey = (PUBLICKEYSTRUC*)pKeyBlob;
	pPublicKey->bType = PUBLICKEYBLOB; 
	pPublicKey->bVersion = CUR_BLOB_VERSION;  // Always use this value.
	pPublicKey->reserved = 0;                 // Must be zero.
	pPublicKey->aiKeyAlg = CALG_RSA_KEYX;     // RSA public-key key exchange. 

	// The next block of data is the RSAPUBKEY structure.
	RSAPUBKEY *pRsaPubKey = (RSAPUBKEY*)(pKeyBlob + sizeof(PUBLICKEYSTRUC));
	pRsaPubKey->magic = 0x31415352; // RSA1 // Use public key
	pRsaPubKey->bitlen = cbLen * 8;  // Number of bits in the modulus.
	pRsaPubKey->pubexp = 0x10001; // "010001" // Exponent.

	// Copy the modulus into the blob. Put the modulus directly after the
	// RSAPUBKEY structure in the blob.
	BYTE *pKey = (BYTE*)(((BYTE *)pRsaPubKey) + sizeof(RSAPUBKEY));
	//pKeyBlob + sizeof(BLOBHEADER)+ sizeof(RSAPUBKEY); 
	memcpy(pKey, pbBuffer, cbLen);

	// Now import public key	
	if (!CryptImportKey(hCSP, pKeyBlob, cbKeyBlob, 0, 0, &phKey))
	{
		result = GetLastError();
		goto exit;
	}

	DWORD dataSize = (DWORD)strlen(data);

	// if data is not allocated just renurn size
	if (encryptedData == NULL)
	{
		// get length of encrypted data
		if (!CryptEncrypt(phKey, 0, TRUE, 0, NULL, &encryptedSize, dataSize))
			result = GetLastError();
		goto exit;
	}

	// encrypt password
	memcpy(encryptedData, data, dataSize);
	if (!CryptEncrypt(phKey, 0, TRUE, 0, encryptedData, &dataSize, encryptedSize))
	{
		result = GetLastError();
		goto exit;
	}

	// reverse byte array again
	for (int i = 0; i < (int)(encryptedSize / 2); ++i)
	{
		BYTE temp = encryptedData[encryptedSize - i - 1];
		encryptedData[encryptedSize - i - 1] = encryptedData[i];
		encryptedData[i] = temp;
	}

exit:
	if (pKeyBlob)
		free(pKeyBlob);
	if (phKey)
		CryptDestroyKey(phKey);
	
	if (pbBuffer)
		free(pbBuffer);
	if (hCSP)
		CryptReleaseContext(hCSP, 0);

	return 0;
}

MEVENT CSteamProto::AddDBEvent(MCONTACT hContact, WORD type, DWORD timestamp, DWORD flags, DWORD cbBlob, PBYTE pBlob)
{
	DBEVENTINFO dbei = { sizeof(dbei) };
	dbei.szModule = m_szModuleName;
	dbei.timestamp = timestamp;
	dbei.eventType = type;
	dbei.cbBlob = cbBlob;
	dbei.pBlob = pBlob;
	dbei.flags = flags;

	return db_event_add(hContact, &dbei);
}

void CSteamProto::ShowNotification(const wchar_t *caption, const wchar_t *message, int flags, MCONTACT hContact)
{
	if (Miranda_Terminated())
		return;

	if (ServiceExists(MS_POPUP_ADDPOPUPT) && db_get_b(NULL, "Popup", "ModuleIsEnabled", 1))
	{
		POPUPDATAW ppd = { 0 };
		ppd.lchContact = hContact;
		wcsncpy(ppd.lpwzContactName, caption, MAX_CONTACTNAME);
		wcsncpy(ppd.lpwzText, message, MAX_SECONDLINE);
		ppd.lchIcon = ::Skin_GetIcon("Skype_main");

		if (!PUAddPopupW(&ppd))
			return;
	}

	MessageBoxW(NULL, message, caption, MB_OK | flags);
}

void CSteamProto::ShowNotification(const wchar_t *message, int flags, MCONTACT hContact)
{
	ShowNotification(TranslateT(MODULE), message, flags, hContact);
}