static int s_profile_file_credentials_provider_get_credentials_async()

in source/credentials_provider_profile.c [41:136]

• 74 lines of code
• 7 McCabe index (conditional complexity)

static int s_profile_file_credentials_provider_get_credentials_async(
    struct aws_credentials_provider *provider,
    aws_on_get_credentials_callback_fn callback,
    void *user_data) {

    struct aws_credentials_provider_profile_file_impl *impl = provider->impl;
    struct aws_credentials *credentials = NULL;

    /*
     * Parse config file, if it exists
     */
    struct aws_profile_collection *config_profiles =
        aws_profile_collection_new_from_file(provider->allocator, impl->config_file_path, AWS_PST_CONFIG);

    if (config_profiles != NULL) {
        AWS_LOGF_DEBUG(
            AWS_LS_AUTH_CREDENTIALS_PROVIDER,
            "(id=%p) Profile credentials provider successfully built config profile collection from file at (%s)",
            (void *)provider,
            aws_string_c_str(impl->config_file_path));
    } else {
        AWS_LOGF_DEBUG(
            AWS_LS_AUTH_CREDENTIALS_PROVIDER,
            "(id=%p) Profile credentials provider failed to build config profile collection from file at (%s)",
            (void *)provider,
            aws_string_c_str(impl->config_file_path));
    }

    /*
     * Parse credentials file, if it exists
     */
    struct aws_profile_collection *credentials_profiles =
        aws_profile_collection_new_from_file(provider->allocator, impl->credentials_file_path, AWS_PST_CREDENTIALS);

    if (credentials_profiles != NULL) {
        AWS_LOGF_DEBUG(
            AWS_LS_AUTH_CREDENTIALS_PROVIDER,
            "(id=%p) Profile credentials provider successfully built credentials profile collection from file at (%s)",
            (void *)provider,
            aws_string_c_str(impl->credentials_file_path));
    } else {
        AWS_LOGF_DEBUG(
            AWS_LS_AUTH_CREDENTIALS_PROVIDER,
            "(id=%p) Profile credentials provider failed to build credentials profile collection from file at (%s)",
            (void *)provider,
            aws_string_c_str(impl->credentials_file_path));
    }

    /*
     * Merge the (up to) two sources into a single unified profile
     */
    struct aws_profile_collection *merged_profiles =
        aws_profile_collection_new_from_merge(provider->allocator, config_profiles, credentials_profiles);
    if (merged_profiles != NULL) {
        const struct aws_profile *profile = aws_profile_collection_get_profile(merged_profiles, impl->profile_name);
        if (profile != NULL) {
            AWS_LOGF_INFO(
                AWS_LS_AUTH_CREDENTIALS_PROVIDER,
                "(id=%p) Profile credentials provider attempting to pull credentials from profile \"%s\"",
                (void *)provider,
                aws_string_c_str(impl->profile_name));
            credentials = aws_credentials_new_from_profile(provider->allocator, profile);
        } else {
            AWS_LOGF_INFO(
                AWS_LS_AUTH_CREDENTIALS_PROVIDER,
                "(id=%p) Profile credentials provider could not find a profile named \"%s\"",
                (void *)provider,
                aws_string_c_str(impl->profile_name));
        }
    } else {
        AWS_LOGF_ERROR(
            AWS_LS_AUTH_CREDENTIALS_PROVIDER,
            "(id=%p) Profile credentials provider failed to merge config and credentials profile collections",
            (void *)provider);
    }

    int error_code = AWS_ERROR_SUCCESS;
    if (credentials == NULL) {
        error_code = aws_last_error();
        if (error_code == AWS_ERROR_SUCCESS) {
            error_code = AWS_AUTH_CREDENTIALS_PROVIDER_PROFILE_SOURCE_FAILURE;
        }
    }

    callback(credentials, error_code, user_data);

    /*
     * clean up
     */
    aws_credentials_release(credentials);
    aws_profile_collection_destroy(merged_profiles);
    aws_profile_collection_destroy(config_profiles);
    aws_profile_collection_destroy(credentials_profiles);

    return AWS_OP_SUCCESS;
}