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/*
* Juick
* Copyright (C) 2008-2011, Ugnich Anton
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.api;
import com.juick.server.UserQueries;
import org.springframework.jdbc.core.JdbcTemplate;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Base64;
import java.util.UUID;
/**
*
* @author Ugnich Anton
*/
public class Utils {
public static String getCookie(HttpServletRequest request, String name) {
Cookie cookies[] = request.getCookies();
if (cookies != null) {
for (int i = 0; i < cookies.length; i++) {
if (cookies[i].getName().equals(name)) {
return cookies[i].getValue();
}
}
}
return null;
}
public static com.juick.User getVisitorUser(JdbcTemplate sql, HttpServletRequest request) {
String hash = getCookie(request, "hash");
if (hash != null) {
return com.juick.server.UserQueries.getUserByHash(sql, hash);
} else {
return null;
}
}
public static int getVisitorUID(JdbcTemplate sql, HttpServletRequest request) {
Cookie cookies[] = request.getCookies();
if (cookies != null) {
for (int i = 0; i < cookies.length; i++) {
if (cookies[i].getName().equals("hash")) {
String hash = cookies[i].getValue();
return com.juick.server.UserQueries.getUIDbyHash(sql, hash);
}
}
}
return 0;
}
public static int getHttpAuthUID(JdbcTemplate sql, HttpServletRequest request) {
String auth = request.getHeader("Authorization");
if (auth != null && auth.length() > 8 && auth.startsWith("Basic ")) {
Base64.Decoder dec = Base64.getDecoder();
String loginpassw[] = new String(dec.decode(auth.substring(6))).split(":", 2);
if (loginpassw.length == 2 && loginpassw[0].length() > 1 && loginpassw[0].length() < 16 && loginpassw[0].matches("[a-zA-Z0-9\\-]+") && !loginpassw[1].isEmpty()) {
return UserQueries.checkPassword(sql, loginpassw[0], loginpassw[1]);
}
}
return 0;
}
public static int getVisitorQueryStringUID(JdbcTemplate sql, HttpServletRequest request) {
String hash = request.getParameter("hash");
if (hash != null && hash.length() == 16) {
return com.juick.server.UserQueries.getUIDbyHash(sql, hash);
}
return 0;
}
public static void sendPermanentRedirect(HttpServletResponse response, String location) {
response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
response.setHeader("Location", location);
}
public static void finishSQL(ResultSet rs, Statement stmt) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
}
}
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
}
}
}
public static String convertArray2String(ArrayList<Integer> mids) {
String q = "";
for (int i = 0; i < mids.size(); i++) {
if (i > 0) {
q += ",";
}
q += mids.get(i);
}
return q;
}
public static String encodeHTML(String str) {
String ret = str;
ret = ret.replaceAll("<", "<");
ret = ret.replaceAll(">", ">");
return str;
}
public static String encodeSphinx(String str) {
String ret = str;
ret = ret.replaceAll("@", "\\\\@");
return ret;
}
public static int parseInt(String str, int def) {
int ret = def;
if (str != null) {
try {
ret = Integer.parseInt(str);
} catch (Exception e) {
}
}
return ret;
}
public static String getPartFilename(Part part) {
for (String cd : part.getHeader("content-disposition").split(";")) {
if (cd.trim().startsWith("filename")) {
String filename = cd.substring(cd.indexOf('=') + 1).trim().replace("\"", "");
return filename.substring(filename.lastIndexOf('/') + 1).substring(filename.lastIndexOf('\\') + 1); // MSIE fix.
}
}
return null;
}
public static String receiveMultiPartFile(HttpServletRequest request, String name) throws Exception {
String attachmentFName = null;
Part filePart = request.getPart("attach");
if (filePart != null) {
String partname = Utils.getPartFilename(filePart);
if (partname != null && partname.length() > 0) {
String attachmentType = partname.substring(partname.length() - 3).toLowerCase();
if (attachmentType.equals("jpg") || attachmentType.equals("peg") || attachmentType.equals("png")) {
if (attachmentType.equals("peg")) {
attachmentType = "jpg";
}
attachmentFName = UUID.randomUUID().toString() + "." + attachmentType;
filePart.write("/var/www/juick.com/i/tmp/" + attachmentFName);
} else {
throw new Exception("Wrong file type");
}
}
}
return attachmentFName;
}
public static String downloadImage(URL url) throws Exception {
String attachmentFName = null;
Exception ex = null;
InputStream is = null;
FileOutputStream fos = null;
try {
URLConnection urlConn = url.openConnection();
is = urlConn.getInputStream();
String mime = urlConn.getContentType();
String attachmentType;
if (mime != null && mime.equals("image/jpeg")) {
attachmentType = "jpg";
} else if (mime != null && mime.equals("image/png")) {
attachmentType = "png";
} else {
throw new Exception("Wrong file type");
}
attachmentFName = UUID.randomUUID().toString() + "." + attachmentType;
fos = new FileOutputStream("/var/www/juick.com/i/tmp/" + attachmentFName);
byte[] buffer = new byte[10240];
int len;
while ((len = is.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
} catch (Exception e) {
ex = e;
attachmentFName = null;
} finally {
try {
if (is != null) {
is.close();
}
} finally {
if (fos != null) {
fos.close();
}
}
}
if (ex != null) {
throw ex;
} else {
return attachmentFName;
}
}
}
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