public String get(String path, Map<String, String> params) {
try {
GetMethod getMethod = new GetMethod(baseUrl() + path);
if (params != null) {
getMethod.setParams(httpParams(params));
}
int returnCode = client().executeMethod(getMethod);
if (returnCode >= 200 && returnCode <= 200) {
return getMethod.getResponseBodyAsString();
}
throw new RuntimeException(
String.format(
"The request to [%s] could not be completed. Response [%s] was returned with code [%s]",
path, getMethod.getResponseBodyAsString(), returnCode));
} catch (IOException e) {
throw new RuntimeException("Connection pooped", e);
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
GetMethod httpGet = null;
try {
String url = RequestUtil.getParameter(request, PARAM_URL, defaultProxyUrl);
String host = url.split("/")[2];
// Get the proxy parameters
// TODO: Add dependency injection to set proxy config from GeoNetwork settings, using also the
// credentials configured
String proxyHost = System.getProperty("http.proxyHost");
String proxyPort = System.getProperty("http.proxyPort");
// Get rest of parameters to pass to proxied url
HttpMethodParams urlParams = new HttpMethodParams();
Enumeration paramNames = request.getParameterNames();
while (paramNames.hasMoreElements()) {
String paramName = (String) paramNames.nextElement();
if (!paramName.equalsIgnoreCase(PARAM_URL)) {
urlParams.setParameter(paramName, request.getParameter(paramName));
}
}
// Checks if allowed host
if (!isAllowedHost(host)) {
// throw new ServletException("This proxy does not allow you to access that location.");
returnExceptionMessage(response, "This proxy does not allow you to access that location.");
return;
}
if (url.startsWith("http://") || url.startsWith("https://")) {
HttpClient client = new HttpClient();
// Added support for proxy
if (proxyHost != null && proxyPort != null) {
client.getHostConfiguration().setProxy(proxyHost, Integer.valueOf(proxyPort));
}
httpGet = new GetMethod(url);
httpGet.setParams(urlParams);
client.executeMethod(httpGet);
if (httpGet.getStatusCode() == HttpStatus.SC_OK) {
Header contentType = httpGet.getResponseHeader(HEADER_CONTENT_TYPE);
String[] contentTypesReturned = contentType.getValue().split(";");
if (!isValidContentType(contentTypesReturned[0])) {
contentTypesReturned = contentType.getValue().split(" ");
if (!isValidContentType(contentTypesReturned[0])) {
throw new ServletException("Status: 415 Unsupported media type");
}
}
// Sets response contentType
response.setContentType(getResponseContentType(contentTypesReturned));
String responseBody = httpGet.getResponseBodyAsString().trim();
PrintWriter out = response.getWriter();
out.print(responseBody);
out.flush();
out.close();
} else {
returnExceptionMessage(
response, "Unexpected failure: " + httpGet.getStatusLine().toString());
}
httpGet.releaseConnection();
} else {
// throw new ServletException("only HTTP(S) protocol supported");
returnExceptionMessage(response, "only HTTP(S) protocol supported");
}
} catch (Exception e) {
e.printStackTrace();
// throw new ServletException("Some unexpected error occurred. Error text was: " +
// e.getMessage());
returnExceptionMessage(
response, "Some unexpected error occurred. Error text was: " + e.getMessage());
} finally {
if (httpGet != null) httpGet.releaseConnection();
}
}