/**
* @param request
* @return
* @throws IOException
* @throws HttpExecuteException
* @throws MalformedURLException
*/
private HttpResponse executeRequest(HttpRequest request) throws IOException {
if (request.shouldIgnoreResponse()) return new HttpResponse();
if (!request.hasHeader("Host")) throw new HttpExecuteException("HTTP Host not set");
String host = request.getHeader("Host").get(0);
URL url = new URL("http", host, 80, request.getPath());
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod(request.getMethod());
for (Entry<String, List<String>> entry : request.getHeaderPairs().entrySet()) {
for (String value : entry.getValue()) connection.addRequestProperty(entry.getKey(), value);
}
if (request.getMethod().equals("POST")) {
// Write post data if it exists
connection.getOutputStream().write(request.getContent());
}
HttpResponse response = new HttpResponse();
response.setResponseCode(connection.getResponseCode());
response.setResponseMessage(connection.getResponseMessage());
for (Entry<String, List<String>> entry : connection.getHeaderFields().entrySet()) {
for (String value : entry.getValue()) response.addHeader(entry.getKey(), value);
}
// responseType is eg. the 4 in 403
int responseType = response.getResponseCode() / 100;
if (responseType == 4 || responseType == 5)
response.readAllContent(connection.getErrorStream());
else response.readAllContent(connection.getInputStream());
// Add Network Spoofer fingerprint
response.addHeader("X-Network-Spoofer", "ON");
return response;
}
protected int doInBackground(Socket socket) {
MagicInputStream input = null;
BufferedOutputStream output = null;
try {
Log.v(TAG, "New connection opened");
input = new MagicInputStream(new BufferedInputStream(socket.getInputStream()));
output = new BufferedOutputStream(socket.getOutputStream());
HttpRequest request = new HttpRequest();
request.setRequestLine(input.readStringLine());
String header;
while (!(header = input.readStringLine()).equals("")) {
request.addHeader(header);
}
// Rest is content now.
if (request.hasHeader("Content-Length")) {
int len = Integer.parseInt(request.getHeader("Content-Length").get(0));
request.readAllContent(input, len);
}
// Filter annoying requests
if (!filterRequest(request)) return 1;
// Manipulate request
manipulateRequest(request);
// Execute
try {
HttpResponse response = executeRequest(request);
if (!whitelistRequest(request)) manipulateResponse(response, request);
output.write(
String.format(
"HTTP/1.1 %d %s\r\n",
response.getResponseCode(), response.getResponseMessage())
.getBytes());
for (Entry<String, List<String>> entry : response.getHeaderPairs().entrySet()) {
for (String value : entry.getValue())
output.write(String.format("%s:%s\r\n", entry.getKey(), value).getBytes());
}
Log.d(TAG, "Writing content");
output.write(NEWLINE);
output.write(response.getContent());
output.flush();
} catch (HttpExecuteException e) {
Log.e(TAG, "Failed to execute HTTP request", e);
} catch (IOException e) {
Log.e(TAG, "Failed to execute HTTP request", e);
}
} catch (IOException e) {
Log.i(TAG, "Network communications failed for HTTP connection", e);
} finally {
if (input != null)
try {
output.close();
input.close();
socket.close();
} catch (IOException e) {
Log.e(TAG, "Failed to close reader for HTTP connection", e);
}
}
return 0;
}
