static ProfileState CheckProfile()

in src/aws-cpp-sdk-identity-management/source/auth/STSProfileCredentialsProvider.cpp [90:163]
64 lines of code
16 McCabe index (conditional complexity)

static ProfileState CheckProfile(const Aws::Config::Profile& profile, bool topLevelProfile)
{
    constexpr int STATIC_CREDENTIALS = 1;
    constexpr int PROCESS_CREDENTIALS = 2;
    constexpr int SOURCE_PROFILE = 4;
    constexpr int ROLE_ARN = 8;

    int state = 0;

    if (!profile.GetCredentials().IsExpiredOrEmpty())
    {
        state += STATIC_CREDENTIALS;
    }

    if (!profile.GetCredentialProcess().empty())
    {
        state += PROCESS_CREDENTIALS;
    }

    if (!profile.GetSourceProfile().empty())
    {
        state += SOURCE_PROFILE;
    }

    if (!profile.GetRoleArn().empty())
    {
        state += ROLE_ARN;
    }

    if (topLevelProfile)
    {
        switch(state)
        {
            case 1:
                return ProfileState::Static;
            case 2:
                return ProfileState::Process;
            case 12: // just source profile && role arn available
                return ProfileState::SourceProfile;
            case 13: // static creds && source profile && role arn
                if (profile.GetName() == profile.GetSourceProfile())
                {
                    return ProfileState::SelfReferencing;
                }
                // source-profile over-rule static credentials in top-level profiles (except when self-referencing)
                return ProfileState::SourceProfile;
            default:
                // All other cases are considered malformed configuration.
                return ProfileState::Invalid;
        }
    }
    else
    {
        switch(state)
        {
            case 1:
                return ProfileState::Static;
            case 2:
                return ProfileState::Process;
            case 12: // just source profile && role arn available
                return ProfileState::SourceProfile;
            case 13: // static creds && source profile && role arn
                if (profile.GetName() == profile.GetSourceProfile())
                {
                    return ProfileState::SelfReferencing;
                }
                return ProfileState::Static; // static credentials over-rule source-profile (except when self-referencing)
            default:
                // All other cases are considered malformed configuration.
                return ProfileState::Invalid;
        }
    }

}