/*----------------------------------------------------------------------
| NPT_Url::SetPath
+---------------------------------------------------------------------*/
NPT_Result
NPT_Url::SetPath(const char* path, bool encoded)
{
if (encoded) {
m_Path = path;
} else {
m_Path = PercentEncode(path, PathCharsToEncode);
}
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| NPT_Url::SetFragment
+---------------------------------------------------------------------*/
NPT_Result
NPT_Url::SetFragment(const char* fragment, bool encoded)
{
if (encoded) {
m_Fragment = fragment;
} else {
m_Fragment = PercentEncode(fragment, FragmentCharsToEncode);
}
m_HasFragment = fragment!=NULL;
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| NPT_Url::SetQuery
+---------------------------------------------------------------------*/
NPT_Result
NPT_Url::SetQuery(const char* query, bool encoded)
{
if (encoded) {
m_Query = query;
} else {
m_Query = PercentEncode(query, QueryCharsToEncode);
}
m_HasQuery = query!=NULL && NPT_StringLength(query)>0;
return NPT_SUCCESS;
}
std::string URLEncode(const std::string& decoded) {
return PercentEncode(decoded);
}
/*++
* @method: Client::getSignature
*
* @description: this method calculates HMAC-SHA1 signature of OAuth header
*
* @input: eType - HTTP request type
* rawUrl - raw url of the HTTP request
* rawKeyValuePairs - key-value pairs containing OAuth headers and HTTP data
*
* @output: oAuthSignature - base64 and url encoded signature
*
* @remarks: internal method
*
*--*/
bool Client::getSignature( const Http::RequestType eType,
const std::string& rawUrl,
const KeyValuePairs& rawKeyValuePairs,
std::string& oAuthSignature )
{
std::string rawParams;
std::string paramsSeperator;
std::string sigBase;
/* Initially empty signature */
oAuthSignature.assign( "" );
/* Build a string using key-value pairs */
paramsSeperator = "&";
getStringFromOAuthKeyValuePairs( rawKeyValuePairs, rawParams, paramsSeperator );
/* Start constructing base signature string. Refer http://dev.twitter.com/auth#intro */
switch( eType )
{
case Http::Head:
{
sigBase.assign( "HEAD&" );
}
break;
case Http::Get:
{
sigBase.assign( "GET&" );
}
break;
case Http::Post:
{
sigBase.assign( "POST&" );
}
break;
case Http::Delete:
{
sigBase.assign( "DELETE&" );
}
break;
case Http::Put:
{
sigBase.assign( "PUT&" );
}
break;
default:
{
return false;
}
break;
}
sigBase.append( PercentEncode( rawUrl ) );
sigBase.append( "&" );
sigBase.append( PercentEncode( rawParams ) );
/* Now, hash the signature base string using HMAC_SHA1 class */
CHMAC_SHA1 objHMACSHA1;
std::string secretSigningKey;
unsigned char strDigest[Defaults::BUFFSIZE_LARGE];
memset( strDigest, 0, Defaults::BUFFSIZE_LARGE );
/* Signing key is composed of consumer_secret&token_secret */
secretSigningKey.assign( PercentEncode(mConsumer->secret()) );
secretSigningKey.append( "&" );
if( mToken && mToken->secret().length() )
{
secretSigningKey.append( PercentEncode(mToken->secret()) );
}
objHMACSHA1.HMAC_SHA1( (unsigned char*)sigBase.c_str(),
sigBase.length(),
(unsigned char*)secretSigningKey.c_str(),
secretSigningKey.length(),
strDigest );
/* Do a base64 encode of signature */
std::string base64Str = base64_encode( strDigest, 20 /* SHA 1 digest is 160 bits */ );
/* Do an url encode */
oAuthSignature = PercentEncode( base64Str );
return ( oAuthSignature.length() ) ? true : false;
}
