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Diffstat (limited to 'src/java/com/juick/http/www/Utils.java')
| -rw-r--r-- | src/java/com/juick/http/www/Utils.java | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/java/com/juick/http/www/Utils.java b/src/java/com/juick/http/www/Utils.java deleted file mode 100644 index afaf131e..00000000 --- a/src/java/com/juick/http/www/Utils.java +++ /dev/null @@ -1,244 +0,0 @@ -/* - * 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.http.www; - -import java.io.BufferedReader; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.PrintWriter; -import java.net.URL; -import java.net.URLConnection; -import java.sql.Connection; -import java.sql.ResultSet; -import java.sql.SQLException; -import java.sql.Statement; -import java.util.ArrayList; -import java.util.UUID; -import javax.servlet.http.Cookie; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import javax.servlet.http.Part; - -/** - * - * @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 String receiveMultiPartFile(HttpServletRequest request, String name) throws Exception { - String attachmentFName = null; - - Part filePart = request.getPart("attach"); - if (filePart != null) { - String partname = Utils.getPartFilename(filePart); - 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 com.juick.User getVisitorUser(Connection sql, HttpServletRequest request, HttpServletResponse response) { - String hash = getCookie(request, "hash"); - if (hash != null) { - com.juick.User visitor = com.juick.server.UserQueries.getUserByHash(sql, hash); - if (response != null && visitor != null) { - response.setHeader("X-Username", visitor.UName); - } - return visitor; - } else { - return null; - } - } - - public static void sendTemporaryRedirect(HttpServletResponse response, String location) { - response.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY); - response.setHeader("Location", location); - } - - public static void sendPermanentRedirect(HttpServletResponse response, String location) { - response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); - response.setHeader("Location", location); - } - - 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 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 void replyJSON(HttpServletRequest request, HttpServletResponse response, String json) throws IOException { - response.setContentType("application/json; charset=UTF-8"); - response.setHeader("Access-Control-Allow-Origin", "*"); - - String callback = request.getParameter("callback"); - if (callback != null && (callback.length() > 64 || !callback.matches("[a-zA-Z0-9\\-\\_]+"))) { - callback = null; - } - - PrintWriter out = response.getWriter(); - try { - if (callback != null) { - out.print(callback + "("); - out.print(json); - out.print(")"); - } else { - out.print(json); - } - } finally { - out.close(); - } - } - - 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) { - return str.replaceAll("&", "&").replaceAll("<", "<").replaceAll(">", ">").replaceAll("'", "'").replaceAll("\"", """).replaceAll("\n", " "); - } - - public static String encodeSphinx(String str) { - return str.replaceAll("@", "\\\\@"); - } - - 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 fetchURL(String url) { - try { - URLConnection c = new URL(url).openConnection(); - BufferedReader in = new BufferedReader(new InputStreamReader(c.getInputStream())); - String inputLine; - StringBuilder b = new StringBuilder(); - while ((inputLine = in.readLine()) != null) { - b.append(inputLine).append("\n"); - } - in.close(); - return b.toString(); - } catch (Exception e) { - System.err.println("fetchURL: "+e.toString()); - return null; - } - } - - public static String downloadImage(String url) throws Exception { - String attachmentFName = null; - Exception ex = null; - - InputStream is = null; - FileOutputStream fos = null; - try { - URLConnection urlConn = new URL(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; - } - } -} |