2 files changed, 0 insertions, 143 deletions
diff --git a/Swiften b/Swiften
new file mode 160000
+Subproject 8213ba16d0043d2461f4b031c881d61dda5a38c
diff --git a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp b/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp
deleted file mode 100644
index 5dc924e..0000000
--- a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-#include "Swiften/SASL/SCRAMSHA1ClientAuthenticator.h"
-
-#include <cassert>
-#include <map>
-#include <boost/lexical_cast.hpp>
-
-#include "Swiften/StringCodecs/SHA1.h"
-#include "Swiften/StringCodecs/Base64.h"
-#include "Swiften/StringCodecs/HMACSHA1.h"
-#include "Swiften/StringCodecs/PBKDF2.h"
-#include "Swiften/StringPrep/StringPrep.h"
-
-namespace Swift {
-
-static String escape(const String& s) {
-	String result;
-	for (size_t i = 0; i < s.getUTF8Size(); ++i) {
-		if (s[i] == ',') {
-			result += "=2C";
-		}
-		else if (s[i] == '=') {
-			result += "=3D";
-		}
-		else {
-			result += s[i];
-		}
-	}
-	return result;
-}
-
-
-SCRAMSHA1ClientAuthenticator::SCRAMSHA1ClientAuthenticator(const String& nonce) : ClientAuthenticator("SCRAM-SHA-1"), step(Initial), clientnonce(nonce) {
-}
-
-ByteArray SCRAMSHA1ClientAuthenticator::getResponse() const {
-	if (step == Initial) {
-		return getGS2Header() + getInitialBareClientMessage();
-	}
-	else if (step == Proof) {
-		ByteArray clientKey = HMACSHA1::getResult(saltedPassword, "Client Key");
-		ByteArray storedKey = SHA1::getHash(clientKey);
-		ByteArray clientSignature = HMACSHA1::getResult(storedKey, authMessage);
-		ByteArray clientProof = clientKey;
-		for (unsigned int i = 0; i < clientProof.getSize(); ++i) {
-			clientProof[i] ^= clientSignature[i];
-		}
-		ByteArray result = ByteArray("c=") + Base64::encode(getGS2Header()) + ",r=" + clientnonce + serverNonce + ",p=" + Base64::encode(clientProof);
-		return result;
-	}
-	else {
-		return ByteArray();
-	}
-}
-
-bool SCRAMSHA1ClientAuthenticator::setChallenge(const ByteArray& challenge) {
-	if (step == Initial) {
-		initialServerMessage = challenge;
-
-		std::map<char, String> keys = parseMap(String(initialServerMessage.getData(), initialServerMessage.getSize()));
-
-		// Extract the salt
-		ByteArray salt = Base64::decode(keys['s']);
-
-		// Extract the server nonce
-		String clientServerNonce = keys['r'];
-		if (clientServerNonce.getUTF8Size() <= clientnonce.getUTF8Size()) {
-			return false;
-		}
-		String receivedClientNonce = clientServerNonce.getSubstring(0, clientnonce.getUTF8Size());
-		if (receivedClientNonce != clientnonce) {
-			return false;
-		}
-		serverNonce = clientServerNonce.getSubstring(clientnonce.getUTF8Size(), clientServerNonce.npos());
-
-		// Extract the number of iterations
-		int iterations = 0;
-		try {
-			iterations = boost::lexical_cast<int>(keys['i'].getUTF8String());
-		}
-		catch (const boost::bad_lexical_cast&) {
-			return false;
-		}
-		if (iterations <= 0) {
-			return false;
-		}
-
-		// Compute all the values needed for the server signature
-		saltedPassword = PBKDF2::encode(StringPrep::getPrepared(getPassword(), StringPrep::SASLPrep), salt, iterations);
-		authMessage = getInitialBareClientMessage() + "," + initialServerMessage + "," + "c=" + Base64::encode(getGS2Header()) + ",r=" + clientnonce + serverNonce;
-		ByteArray serverKey = HMACSHA1::getResult(saltedPassword, "Server Key");
-		serverSignature = HMACSHA1::getResult(serverKey, authMessage);
-
-		step = Proof;
-		return true;
-	}
-	else if (step == Proof) {
-		ByteArray result = ByteArray("v=") + ByteArray(Base64::encode(serverSignature));
-		step = Final;
-		return challenge == result;
-	}
-	else {
-		return true;
-	}
-}
-
-std::map<char, String> SCRAMSHA1ClientAuthenticator::parseMap(const String& s) {
-	std::map<char, String> result;
-	if (s.getUTF8Size() > 0) {
-		char key;
-		String value;
-		size_t i = 0;
-		bool expectKey = true;
-		while (i < s.getUTF8Size()) {
-			if (expectKey) {
-				key = s[i];
-				expectKey = false;
-				i++;
-			}
-			else if (s[i] == ',') {
-				result[key] = value;
-				value = "";
-				expectKey = true;
-			}
-			else {
-				value += s[i];
-			}
-			i++;
-		}
-		result[key] = value;
-	}
-	return result;
-}
-
-ByteArray SCRAMSHA1ClientAuthenticator::getInitialBareClientMessage() const {
-	String authenticationID = StringPrep::getPrepared(getAuthenticationID(), StringPrep::SASLPrep);
-	return ByteArray(String("n=" + escape(authenticationID) + ",r=" + clientnonce));
-}
-
-ByteArray SCRAMSHA1ClientAuthenticator::getGS2Header() const {
-	return ByteArray("n,") + (getAuthorizationID().isEmpty() ? "" : "a=" + escape(getAuthorizationID())) + ",";
-}
-
-}