Question

所以突然他们决定我需要一个Spotify Search API的授权标题。

我的应用程序使用Poco Net库在C ++中运行，但我无法使用它。

我完成了获取＆＃34;代码＆＃34;的所有过程。我应该交换令牌。我假设这段代码是有效的，即使我只使用了一个完全不相关的域，然后复制了发送到该页面的变量。

请参阅https://developer.spotify.com/web-api/authorization-guide/

这是我的代码：

%s

我尝试使用BasicCredentials而不是将客户端ID和clientSecret放入请求中，但结果相同。

这是HTTP请求在修改后的值中的显示方式：

 Thread Name: Thread Group 1-1  
Sample Start: 2017-06-02 12:20:45 EDT  
Load time: 21015  
Connect Time: 0  
Latency: 0  
Size in bytes: 0  
Sent bytes:0  
Headers size in bytes: 0  
Body size in bytes: 0  
Sample Count: 1  
Error Count: 1  
Data type ("text"|"bin"|""):  
Response code: 500  
Response message: javax.mail.MessagingException: Connect failed;  
  nested exception is:  
    java.net.ConnectException: Connection timed out: connect  
pop3s://enwarali@gmail.com@pop.googlemail.com:995/INBOX[1]  

 Response headers:


 SampleResult fields:  
ContentType:  
DataEncoding: null

我得到的回应是：

bool getToken()
{
    Poco::URI loginURI( "https://accounts.spotify.com" );
    Poco::Net::HTTPSClientSession loginSession( loginURI.getHost(), loginURI.getPort(), context );
//      Poco::Net::HTTPBasicCredentials credentials( clientId, clientSecret );

    std::ostringstream requestOStr;
    requestOStr << "https://accounts.spotify.com/api/token?grant_type=authorization_code&code="
            << (m_refreshToken.empty() ? code : m_refreshToken)
            << "&redirect_uri=" << redirectURI
            << "&client_id=" << clientId << "&client_secret=" << clientSecret;

    std::string requestStr( requestOStr.str() );
    Poco::Net::HTTPRequest loginRequest( Poco::Net::HTTPRequest::HTTP_POST, requestStr,
            Poco::Net::HTTPMessage::HTTP_1_1 );

//      credentials.authenticate( loginRequest );

    loginSession.sendRequest( loginRequest );
    Poco::Net::HTTPResponse response;

    std::istream& rs = loginSession.receiveResponse( response );
    std::cout << "Login request " << requestStr << std::endl;
    std::cout << "Login response status " << static_cast<int>(response.getStatus()) << ", "
            << response.getReason() << std::endl;

    std::string rsStr(std::istreambuf_iterator<char>(rs), {});
    if( rsStr.empty() )
    {
        std::cout << "No results" << std::endl;
        return false;
    }
    else
    {
        std::cout << "Logon response:\n" << rsStr << std::endl;
    }
    Parser parser;
    Var result;
    result = parser.parse(rsStr);
    Object::Ptr obj = result.extract<Object::Ptr>();
    try
    {
        Var tokenVar = obj->get( "access_token ");
        if( tokenVar.isString() )
        {
            m_token = tokenVar.convert< std::string >();
        }
        else
        {
            std::cerr << "Could not get access token" << std::endl;
            return false;
        }
        Var refreshTokenVar = obj->get( "refresh_token" );
        if( refreshTokenVar.isString() )
        {
            m_refreshToken = refreshTokenVar.convert< std::string >();
        }
        return true;
    }
    catch( const std::exception& err )
    {
        std::cerr << "Error getting login token" << err.what() << std::endl;
        return false;
    }
}

Answer 1

好的，我现在回答了我自己的问题。我的错误是误用了POST。

一旦我拥有原始的authorization_code，这就有效。一旦＆＃34;交换＆＃34;代码将不再有效。但那是一个不同的问题。

bool getToken()
{
    Poco::URI loginURI( "https://accounts.spotify.com" );
    Poco::Net::HTTPSClientSession loginSession( loginURI.getHost(), loginURI.getPort(), context );
    Poco::Net::HTTPBasicCredentials credentials( clientId, clientSecret );

    loginSession.setKeepAlive( true );
    std::string requestStr( "https://accounts.spotify.com/api/token" );
    Poco::Net::HTTPRequest loginRequest( Poco::Net::HTTPRequest::HTTP_POST,
            requestStr,
            Poco::Net::HTTPMessage::HTTP_1_1 );
    loginRequest.setContentType("application/x-www-form-urlencoded");
    loginRequest.setKeepAlive( true );

    std::string grantType;
    std::string authCode;

    if( m_refreshToken.empty() )
    {
        grantType = "authorization_code";
        authCode = code;
    }
    else
    {
        grantType = "refresh_token";
        authCode = m_refreshToken;
    }
    std::ostringstream contentOStr;
    contentOStr << "grant_type=" << grantType <<
        "&code=" << authCode
        << "&redirect_uri=" << redirectURI;

    std::string contentStr = contentOStr.str();
    loginRequest.setContentLength( contentStr.size() );
    credentials.authenticate( loginRequest );

    std::ostream& requestOStr = loginSession.sendRequest( loginRequest );
    requestOStr << contentStr;
    requestOStr.flush();
    Poco::Net::HTTPResponse response;

    std::istream& rs = loginSession.receiveResponse( response );
    std::cout << "Login request ";
    loginRequest.write(std::cout);
    std::cout << std::endl;
    std::cout << "Login response status " << static_cast<int>(response.getStatus()) << ", "
            << response.getReason() << std::endl;

    std::string rsStr(std::istreambuf_iterator<char>(rs), {});
    if( rsStr.empty() )
    {
        std::cout << "No results" << std::endl;
        return false;
    }
    else
    {
        std::cout << "Logon response:\n" << rsStr << std::endl;
    }
    Parser parser;
    Var result;
    result = parser.parse(rsStr);
    Object::Ptr obj = result.extract<Object::Ptr>();
    try
    {
        Var tokenVar = obj->get( "access_token" );
        if( tokenVar.isString() )
        {
            m_token = tokenVar.convert< std::string >();
        }
        else
        {
            std::cerr << "Could not get access token" << std::endl;
            return false;
        }
        Var refreshTokenVar = obj->get( "refresh_token" );
        if( refreshTokenVar.isString() )
        {
            m_refreshToken = refreshTokenVar.convert< std::string >();
        }
        return true;
    }
    catch( const std::exception& err )
    {
        std::cerr << "Error getting login token" << err.what() << std::endl;
        return false;
    }
}

如何使用Poco Net Library在Spotify中交换令牌代码

1 个答案: