Examples with OAuthBearerClientRequest org.apache.oltu.oauth2.client.request.OAuthBearerClientRequest used on opensource projects

Example 11 with OAuthBearerClientRequest

use of org.apache.oltu.oauth2.client.request.OAuthBearerClientRequest in project mbed-cloud-sdk-java by ARMmbed.

the class OAuth method retryingIntercept.

private Response retryingIntercept(Chain chain, boolean updateTokenAndRetryOnAuthorizationFailure) throws IOException {
    Request request = chain.request();
    // If the request already have an authorization (eg. Basic auth), do nothing
    if (request.header("Authorization") != null) {
        return chain.proceed(request);
    }
    // If first time, get the token
    OAuthClientRequest oAuthRequest;
    if (getAccessToken() == null) {
        updateAccessToken(null);
    }
    if (getAccessToken() != null) {
        // Build the request
        Builder rb = request.newBuilder();
        String requestAccessToken = new String(getAccessToken());
        try {
            oAuthRequest = new OAuthBearerClientRequest(request.url().toString()).setAccessToken(requestAccessToken).buildHeaderMessage();
        } catch (OAuthSystemException e) {
            throw new IOException(e);
        }
        for (Map.Entry<String, String> header : oAuthRequest.getHeaders().entrySet()) {
            rb.addHeader(header.getKey(), header.getValue());
        }
        rb.url(oAuthRequest.getLocationUri());
        // Execute the request
        Response response = chain.proceed(rb.build());
        // 401/403 most likely indicates that access token has expired. Unless it happens two times in a row.
        if (response != null && (response.code() == HTTP_UNAUTHORIZED || response.code() == HTTP_FORBIDDEN) && updateTokenAndRetryOnAuthorizationFailure) {
            if (updateAccessToken(requestAccessToken)) {
                return retryingIntercept(chain, false);
            }
        }
        return response;
    } else {
        return chain.proceed(chain.request());
    }
}