From e5c8298beee5dde90ca98cc4707faac4bf0e2f0c Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 7 Jul 2016 15:13:47 +0300
Subject: reorganize project
---
juick-www/src/main/java/com/juick/www/Utils.java | 242 +++++++++++++++++++++++
1 file changed, 242 insertions(+)
create mode 100644 juick-www/src/main/java/com/juick/www/Utils.java
(limited to 'juick-www/src/main/java/com/juick/www/Utils.java')
diff --git a/juick-www/src/main/java/com/juick/www/Utils.java b/juick-www/src/main/java/com/juick/www/Utils.java
new file mode 100644
index 00000000..c98bddf9
--- /dev/null
+++ b/juick-www/src/main/java/com/juick/www/Utils.java
@@ -0,0 +1,242 @@
+/*
+ * 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 .
+ */
+package com.juick.www;
+
+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.*;
+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.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 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 com.juick.User getVisitorUser(JdbcTemplate 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.getUName());
+ }
+ 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 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(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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