+++ /dev/null
-/*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
- * under the term of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * Mobile-Ledger is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.ktnx.mobileledger;
-
-import android.content.SharedPreferences;
-import android.os.AsyncTask;
-import android.util.Log;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.net.HttpURLConnection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import static java.lang.Thread.sleep;
-
-class SaveTransactionTask extends AsyncTask<LedgerTransaction, Void, Void> {
- private final TaskCallback task_callback;
- private String token;
- private String session;
- private String backend_url;
- private LedgerTransaction ltr;
- protected String error;
-
- private SharedPreferences pref;
- void setPref(SharedPreferences pref) {
- this.pref = pref;
- }
-
- SaveTransactionTask(TaskCallback callback) {
- task_callback = callback;
- }
- private boolean send_ok() throws IOException {
- HttpURLConnection http = NetworkUtil.prepare_connection(pref, "add");
- http.setRequestMethod("POST");
- http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
- http.setRequestProperty("Accept", "*/*");
- if ((session != null) && !session.isEmpty()) {
- http.setRequestProperty("Cookie", String.format("_SESSION=%s", session));
- }
- http.setDoOutput(true);
- http.setDoInput(true);
-
- UrlEncodedFormData params = new UrlEncodedFormData();
- params.add_pair("_formid", "identify-add");
- if (token != null) params.add_pair("_token", token);
- params.add_pair("date", ltr.getDate());
- params.add_pair("description", ltr.getDescription());
- {
- Iterator<LedgerTransactionItem> items = ltr.getItemsIterator();
- while (items.hasNext()) {
- LedgerTransactionItem item = items.next();
- params.add_pair("account", item.getAccountName());
- if (item.isAmountSet())
- params.add_pair("amount", String.format(Locale.US, "%1.2f", item.getAmount()));
- else params.add_pair("amount", "");
- }
- }
-
- String body = params.toString();
- http.addRequestProperty("Content-Length", String.valueOf(body.length()));
-
- Log.d("network", "request header: " + http.getRequestProperties().toString());
-
- try (OutputStream req = http.getOutputStream()) {
- Log.d("network", "Request body: " + body);
- req.write(body.getBytes("ASCII"));
-
- try (InputStream resp = http.getInputStream()) {
- Log.d("update_accounts", String.valueOf(http.getResponseCode()));
- if (http.getResponseCode() == 303) {
- // everything is fine
- return true;
- } else if (http.getResponseCode() == 200) {
- // get the new cookie
- {
- Pattern sess_cookie_re = Pattern.compile("_SESSION=([^;]+);.*");
-
- Map<String, List<String>> header = http.getHeaderFields();
- List<String> cookie_header = header.get("Set-Cookie");
- if (cookie_header != null) {
- String cookie = cookie_header.get(0);
- Matcher m = sess_cookie_re.matcher(cookie);
- if (m.matches()) {
- session = m.group(1);
- Log.d("network", "new session is " + session);
- } else {
- Log.d("network", "set-cookie: " + cookie);
- Log.w("network", "Response Set-Cookie headers is not a _SESSION one");
- }
- } else {
- Log.w("network", "Response has no Set-Cookie header");
- }
- }
- // the token needs to be updated
- BufferedReader reader = new BufferedReader(new InputStreamReader(resp));
- Pattern re = Pattern.compile("<input type=\"hidden\" name=\"_token\" value=\"([^\"]+)\">");
- String line;
- while ((line = reader.readLine()) != null) {
- //Log.d("dump", line);
- Matcher m = re.matcher(line);
- if (m.matches()) {
- token = m.group(1);
- Log.d("save-transaction", line);
- Log.d("save-transaction", "Token=" + token);
- return false; // retry
- }
- }
- throw new IOException("Can't find _token string");
- } else {
- throw new IOException(String.format("Error response code %d", http.getResponseCode()));
- }
- }
- }
- }
-
- @Override
- protected Void doInBackground(LedgerTransaction... ledgerTransactions) {
- error = null;
- try {
- backend_url = pref.getString("backend_url", "");
- ltr = ledgerTransactions[0];
-
- int tried = 0;
- while (!send_ok()) {
- try {
- tried++;
- if (tried >= 2)
- throw new IOException(String.format("aborting after %d tries", tried));
- sleep(100);
- }
- catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
- }
- catch (Exception e) {
- e.printStackTrace();
- error = e.getMessage();
- }
-
- return null;
- }
-
- @Override
- protected void onPostExecute(Void aVoid) {
- super.onPostExecute(aVoid);
- task_callback.done(error);
- }
-}
projects / mobile-ledger.git / blobdiff