From 5d2487dc97a63b0545b2d7d56405e7417fa2dd75 Mon Sep 17 00:00:00 2001
From: Alexander Lantsev <aunsane@gmail.com>
Date: Wed, 9 Apr 2014 12:06:39 +0000
Subject: Steam: - add searching by name - added contact info updating - small
 improvements

git-svn-id: http://svn.miranda-ng.org/main/trunk@8901 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 protocols/Steam/src/steam_utils.cpp | 134 ++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 protocols/Steam/src/steam_utils.cpp

(limited to 'protocols/Steam/src/steam_utils.cpp')

diff --git a/protocols/Steam/src/steam_utils.cpp b/protocols/Steam/src/steam_utils.cpp
new file mode 100644
index 0000000000..2f2caca443
--- /dev/null
+++ b/protocols/Steam/src/steam_utils.cpp
@@ -0,0 +1,134 @@
+#include "common.h"
+
+WORD CSteamProto::SteamToMirandaStatus(int state)
+{
+	switch (state)
+	{
+	case 0: //Offline
+		return ID_STATUS_OFFLINE;
+	case 2: //Busy
+		return ID_STATUS_DND;
+	case 3: //Away
+		return ID_STATUS_AWAY;
+		/*case 4: //Snoozing
+		prim = PURPLE_STATUS_EXTENDED_AWAY;
+		break;
+		case 5: //Looking to trade
+		return "trade";
+		case 6: //Looking to play
+		return "play";*/
+		//case 1: //Online
+	default:
+		return ID_STATUS_ONLINE;
+	}
+}
+
+int CSteamProto::MirandaToSteamState(int status)
+{
+	switch (status)
+	{
+	case ID_STATUS_OFFLINE:
+		return 0; //Offline
+	case ID_STATUS_DND:
+		return 2; //Busy
+	case ID_STATUS_AWAY:
+		return 3; //Away
+		/*case 4: //Snoozing
+		prim = PURPLE_STATUS_EXTENDED_AWAY;
+		break;
+		case 5: //Looking to trade
+		return "trade";
+		case 6: //Looking to play
+		return "play";*/
+		//case 1: //Online
+	default:
+		return ID_STATUS_ONLINE;
+	}
+}
+
+int CSteamProto::RsaEncrypt(const SteamWebApi::RsaKeyApi::RsaKey &rsaKey, const char *data, DWORD dataSize, BYTE *encryptedData, DWORD &encryptedSize)
+{
+	const char *pszModulus = rsaKey.GetModulus();
+	DWORD cchModulus = strlen(pszModulus);
+
+	// convert hex string to byte array
+	DWORD cbLen = 0, dwSkip = 0, dwFlags = 0;
+	if (!CryptStringToBinaryA(pszModulus, cchModulus, CRYPT_STRING_HEX, NULL, &cbLen, &dwSkip, &dwFlags))
+		return GetLastError();
+
+	// allocate a new buffer.
+	BYTE *pbBuffer = (BYTE*)malloc(cbLen);
+	if (!CryptStringToBinaryA(pszModulus, cchModulus, CRYPT_STRING_HEX, pbBuffer, &cbLen, &dwSkip, &dwFlags))
+		return GetLastError();
+
+	// reverse byte array, because of microsoft
+	for (int i = 0; i < cbLen / 2; ++i)
+	{
+		BYTE temp = pbBuffer[cbLen - i - 1];
+		pbBuffer[cbLen - i - 1] = pbBuffer[i];
+		pbBuffer[i] = temp;
+	}
+
+	HCRYPTPROV hCSP = 0;
+	if (!CryptAcquireContext(&hCSP, NULL, NULL, PROV_RSA_AES, CRYPT_SILENT) &&
+		!CryptAcquireContext(&hCSP, NULL, NULL, PROV_RSA_AES, CRYPT_SILENT | CRYPT_NEWKEYSET))
+		return GetLastError();
+
+	// Move the key into the key container.
+	DWORD cbKeyBlob = sizeof(PUBLICKEYSTRUC) + sizeof(RSAPUBKEY) + cbLen;
+	BYTE *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
+	HCRYPTKEY phKey = 0;
+	if (!CryptImportKey(hCSP, pKeyBlob, cbKeyBlob, 0, 0, &phKey))
+		return GetLastError();
+
+	// 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))
+			return GetLastError();
+		return 0;
+	}
+
+	// encrypt password
+	memcpy(encryptedData, data, dataSize);
+	if (!CryptEncrypt(phKey, 0, TRUE, 0, encryptedData, &dataSize, encryptedSize))
+		return GetLastError();
+
+	// reverse byte array again
+	for (int i = 0; i < encryptedSize / 2; ++i)
+	{
+		BYTE temp = encryptedData[encryptedSize - i - 1];
+		encryptedData[encryptedSize - i - 1] = encryptedData[i];
+		encryptedData[i] = temp;
+	}
+
+	free(pKeyBlob);
+	CryptDestroyKey(phKey);
+	
+	free(pbBuffer);
+	CryptReleaseContext(hCSP, 0);
+
+	return 0;
+}
\ No newline at end of file
-- 
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