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/*
* WALogin.h
*
* Created on: 26/06/2012
* Author: Antonio
*/
#ifndef WALOGIN_H_
#define WALOGIN_H_
#include "BinTreeNodeReader.h"
#include "BinTreeNodeWriter.h"
#include "WAConnection.h"
#include <string>
#include "../OpenSSL/rc4.h"
#include "../OpenSSL/hmac.h"
class WAConnection;
class BinTreeNodeReader;
class BinTreeNodeWriter;
class KeyStream {
private:
RC4_KEY rc4;
HMAC_CTX hmac;
unsigned char* key;
int keyLength;
void hmacsha1(unsigned char* text, int textLength, unsigned char *out);
public:
KeyStream(unsigned char* key, size_t keyLegnth);
virtual ~KeyStream();
static void keyFromPasswordAndNonce(const std::string& pass, const std::vector<unsigned char>& nonce, unsigned char *out);
void decodeMessage(unsigned char* buffer, int macOffset, int offset, const int length);
void encodeMessage(unsigned char* buffer, int macOffset, int offset, const int length);
};
class WALogin {
private:
static const std::string NONCE_KEY;
KeyStream* outputKey;
WAConnection* connection;
std::vector<unsigned char>* getAuthBlob(const std::vector<unsigned char>& nonce);
void sendResponse(const std::vector<unsigned char>& challengeData);
void sendFeatures();
void sendAuth(const std::vector<unsigned char>& nonce);
std::vector<unsigned char>* readFeaturesUntilChallengeOrSuccess();
void parseSuccessNode(ProtocolTreeNode* node);
std::vector<unsigned char> readSuccess();
std::string getResponse(const std::string& challenge);
public:
std::string user;
std::string domain;
std::string password;
std::string resource;
std::string push_name;
bool supports_receipt_acks;
time_t expire_date;
int account_kind;
BinTreeNodeReader* inn;
BinTreeNodeWriter* out;
WALogin(WAConnection* connection, BinTreeNodeReader *reader, BinTreeNodeWriter *writer, const std::string& domain, const std::string& user, const std::string& resource, const std::string& password, const std::string& push_name);
std::vector<unsigned char>* login(const std::vector<unsigned char>& blobLength);
BinTreeNodeReader *getTreeNodeReader();
BinTreeNodeWriter *getTreeNodeWriter();
virtual ~WALogin();
};
#endif /* WALOGIN_H_ */
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