From d233943fc29508dc37714852b11b96b0b46b55d9 Mon Sep 17 00:00:00 2001 From: Vitaly Takmazov Date: Thu, 24 Nov 2016 21:38:52 +0300 Subject: juick-api: now on spring-webmvc --- .../main/java/com/juick/api/util/HttpUtils.java | 112 +++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 juick-api/src/main/java/com/juick/api/util/HttpUtils.java (limited to 'juick-api/src/main/java/com/juick/api/util/HttpUtils.java') diff --git a/juick-api/src/main/java/com/juick/api/util/HttpUtils.java b/juick-api/src/main/java/com/juick/api/util/HttpUtils.java new file mode 100644 index 00000000..f20e10a8 --- /dev/null +++ b/juick-api/src/main/java/com/juick/api/util/HttpUtils.java @@ -0,0 +1,112 @@ +/* + * 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.api.util; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.Part; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.net.URL; +import java.net.URLConnection; +import java.util.UUID; + +/** + * + * @author Ugnich Anton + */ +public class HttpUtils { + 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 = HttpUtils.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; + } + } +} -- cgit v1.2.3