/*++
* @method: Client::getStringFromOAuthKeyValuePairs
*
* @description: this method builds a sorted string from key-value pairs
*
* @input: rawParamMap - key-value pairs map
* paramsSeperator - sepearator, either & or ,
*
* @output: rawParams - sorted string of OAuth parameters
*
* @remarks: internal method
*
*--*/
bool Client::getStringFromOAuthKeyValuePairs( const KeyValuePairs& rawParamMap,
std::string& rawParams,
const std::string& paramsSeperator )
{
rawParams.assign( "" );
if( rawParamMap.size() )
{
KeyValueList keyValueList;
std::string dummyStr;
/* Push key-value pairs to a list of strings */
keyValueList.clear();
KeyValuePairs::const_iterator itMap = rawParamMap.begin();
for( ; itMap != rawParamMap.end(); itMap++ )
{
dummyStr.assign( itMap->first );
dummyStr.append( "=" );
if( paramsSeperator == "," )
{
dummyStr.append( "\"" );
}
dummyStr.append( itMap->second );
if( paramsSeperator == "," )
{
dummyStr.append( "\"" );
}
keyValueList.push_back( dummyStr );
}
/* Sort key-value pairs based on key name */
keyValueList.sort();
/* Now, form a string */
dummyStr.assign( "" );
KeyValueList::iterator itKeyValue = keyValueList.begin();
for( ; itKeyValue != keyValueList.end(); itKeyValue++ )
{
if( dummyStr.length() )
{
dummyStr.append( paramsSeperator );
}
dummyStr.append( itKeyValue->c_str() );
}
rawParams.assign( dummyStr );
}
return ( rawParams.length() ) ? true : false;
}
/*++
* @method: Client::buildOAuthTokenKeyValuePairs
*
* @description: this method prepares key-value pairs required for OAuth header
* and signature generation.
*
* @input: includeOAuthVerifierPin - flag to indicate whether oauth_verifer key-value
* pair needs to be included. oauth_verifer is only
* used during exchanging request token with access token.
* rawData - url encoded data. this is used during signature generation.
* oauthSignature - base64 and url encoded OAuth signature.
* generateTimestamp - If true, then generate new timestamp for nonce.
*
* @input: urlEncodeValues - if true, URLEncode the values inserted into the
* output keyValueMap
* @output: keyValueMap - map in which key-value pairs are populated
*
* @remarks: internal method
*
*--*/
bool Client::buildOAuthTokenKeyValuePairs( const bool includeOAuthVerifierPin,
const std::string& rawData,
const std::string& oauthSignature,
KeyValuePairs& keyValueMap,
const bool urlEncodeValues,
const bool generateTimestamp )
{
// Encodes value part of key-value pairs depending on type of output (query
// string vs. HTTP headers.
StringConvertFunction value_encoder = (urlEncodeValues ? HttpEncodeQueryValue : PassThrough);
/* Generate nonce and timestamp if required */
if( generateTimestamp )
{
generateNonceTimeStamp();
}
/* Consumer key and its value */
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::CONSUMERKEY_KEY, value_encoder(mConsumer->key()));
/* Nonce key and its value */
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::NONCE_KEY, value_encoder(m_nonce));
/* Signature if supplied */
if( oauthSignature.length() )
{
// Signature is exempt from encoding. The procedure for
// computing it already percent-encodes it as required by the
// spec for both query string and Auth header
// methods. Therefore, it's pass-through in both cases.
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::SIGNATURE_KEY, oauthSignature);
}
/* Signature method, only HMAC-SHA1 as of now */
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::SIGNATUREMETHOD_KEY, std::string( "HMAC-SHA1" ));
/* Timestamp */
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::TIMESTAMP_KEY, value_encoder(m_timeStamp));
/* Token */
if( mToken && mToken->key().length() )
{
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::TOKEN_KEY, value_encoder(mToken->key()));
}
/* Verifier */
if( includeOAuthVerifierPin && mToken && mToken->pin().length() )
{
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::VERIFIER_KEY, value_encoder(mToken->pin()));
}
/* Version */
ReplaceOrInsertKeyValuePair(keyValueMap, Defaults::VERSION_KEY, std::string( "1.0" ));
/* Data if it's present */
if( rawData.length() )
{
/* Data should already be urlencoded once */
std::string dummyStrKey;
std::string dummyStrValue;
size_t nPos = rawData.find_first_of( "=" );
if( std::string::npos != nPos )
{
dummyStrKey = rawData.substr( 0, nPos );
dummyStrValue = rawData.substr( nPos + 1 );
ReplaceOrInsertKeyValuePair(keyValueMap, dummyStrKey, dummyStrValue);
}
}
return ( keyValueMap.size() ) ? true : false;
}
/*++
* @method: Client::buildOAuthTokenKeyValuePairs
*
* @description: this method prepares key-value pairs required for OAuth header
* and signature generation.
*
* @input: includeOAuthVerifierPin - flag to indicate whether oauth_verifer key-value
* pair needs to be included. oauth_verifer is only
* used during exchanging request token with access token.
* rawData - url encoded data. this is used during signature generation.
* oauthSignature - base64 and url encoded OAuth signature.
* generateTimestamp - If true, then generate new timestamp for nonce.
*
* @input: urlEncodeValues - if true, URLEncode the values inserted into the
* output keyValueMap
* @output: keyValueMap - map in which key-value pairs are populated
*
* @remarks: internal method
*
*--*/
bool Client::buildOAuthTokenKeyValuePairs( const bool includeOAuthVerifierPin,
const std::string& rawData,
const std::string& oauthSignature,
KeyValuePairs& keyValueMap,
const bool urlEncodeValues,
const bool generateTimestamp )
{
StringConvertFunction encoder = (urlEncodeValues ? URLEncode : PassThrough);
/* Generate nonce and timestamp if required */
if( generateTimestamp )
{
generateNonceTimeStamp();
}
/* Consumer key and its value */
keyValueMap[Defaults::CONSUMERKEY_KEY] = encoder(mConsumer->key());
/* Nonce key and its value */
keyValueMap[Defaults::NONCE_KEY] = encoder(m_nonce);
/* Signature if supplied */
if( oauthSignature.length() )
{
keyValueMap[Defaults::SIGNATURE_KEY] = encoder(oauthSignature);
}
/* Signature method, only HMAC-SHA1 as of now */
keyValueMap[Defaults::SIGNATUREMETHOD_KEY] = std::string( "HMAC-SHA1" );
/* Timestamp */
keyValueMap[Defaults::TIMESTAMP_KEY] = encoder(m_timeStamp);
/* Token */
if( mToken && mToken->key().length() )
{
keyValueMap[Defaults::TOKEN_KEY] = encoder(mToken->key());
}
/* Verifier */
if( includeOAuthVerifierPin && mToken && mToken->pin().length() )
{
keyValueMap[Defaults::VERIFIER_KEY] = encoder(mToken->pin());
}
/* Version */
keyValueMap[Defaults::VERSION_KEY] = std::string( "1.0" );
/* Data if it's present */
if( rawData.length() )
{
/* Data should already be urlencoded once */
std::string dummyStrKey;
std::string dummyStrValue;
size_t nPos = rawData.find_first_of( "=" );
if( std::string::npos != nPos )
{
dummyStrKey = rawData.substr( 0, nPos );
dummyStrValue = rawData.substr( nPos + 1 );
keyValueMap[dummyStrKey] = dummyStrValue;
}
}
return ( keyValueMap.size() ) ? true : false;
}
