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-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AbstractWebRequestHandler.java327
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diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AbstractWebRequestHandler.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AbstractWebRequestHandler.java
deleted file mode 100644
index 3cd6dd85..00000000
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AbstractWebRequestHandler.java
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
-* Copyright 2009 Federal Chancellery Austria and
-* Graz University of Technology
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-package at.gv.egiz.bku.online.webapp;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-import java.util.regex.Pattern;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.slf4j.MDC;
-
-import at.gv.egiz.bku.binding.HTTPBindingProcessor;
-import at.gv.egiz.bku.binding.HttpUtil;
-import at.gv.egiz.bku.binding.Id;
-import at.gv.egiz.bku.binding.IdFactory;
-import at.gv.egiz.bku.binding.InputDecoderFactory;
-import at.gv.egiz.bku.utils.StreamUtil;
-import at.gv.egiz.org.apache.tomcat.util.http.AcceptLanguage;
-
-public abstract class AbstractWebRequestHandler extends SpringBKUServlet {
-
- private static final long serialVersionUID = 1L;
-
- public static final String APPLET_PAGE_P = "appletPage";
- public static final String APPLET_PAGE_DEFAULT = "applet.jsp";
-
- public static final String PARAM_APPLET_WIDTH = "appletWidth";
- public static final String ATTR_APPLET_WIDTH = "appletWidth";
-
- public static final String PARAM_APPLET_HEIGHT = "appletHeight";
- public static final String ATTR_APPLET_HEIGHT = "appletHeight";
-
- public static final String PARAM_APPLET_BACKGROUND = "appletBackground";
- public static final String ATTR_APPLET_BACKGROUND = "appletBackground";
-
- public static final String PARAM_APPLET_BACKGROUND_COLOR = "appletBackgroundColor";
- public static final String ATTR_APPLET_BACKGROUND_COLOR = "appletBackgroundColor";
-
- public static final Pattern PATTERM_APPLET_BACKGROUND_COLOR = Pattern.compile("\\#[0-9a-fA-F]{6}");
- public static final String PARAM_APPLET_GUI_STYLE = "appletGuiStyle";
- public static final String ATTR_APPLET_GUI_STYLE = "appletGuiStyle";
-
- public static final String[] VALUES_APPLET_GUI_STYLE = new String[] {"tiny", "simple", "advanced"};
- public static final String PARAM_APPLET_EXTENSION = "appletExtension";
- public static final String ATTR_APPLET_EXTENSION = "appletExtension";
-
- public static final String[] VALUES_APPLET_EXTENSION = new String[] {"pin", "activation"};
- public static final String PARAM_LOCALE = "locale";
- public static final String ATTR_LOCALE = "locale";
-
- public static final Pattern PATTERN_LOCALE = Pattern.compile("[a-zA-Z][a-zA-Z](_[a-zA-Z][a-zA-Z]){0,2}");
- public static final String REDIRECT_URL_SESSION_ATTRIBUTE = "redirectUrl";
-
- private final Logger log = LoggerFactory.getLogger(BKURequestHandler.class);
-
- protected static String getStringFromStream(InputStream is, String encoding)
- throws IOException {
- if (is == null) {
- return null;
- }
- if (encoding == null) {
- encoding = HttpUtil.DEFAULT_CHARSET;
- }
- ByteArrayOutputStream os = new ByteArrayOutputStream();
- StreamUtil.copyStream(is, os);
- return new String(os.toByteArray(), encoding);
- }
-
- protected abstract String getRequestProtocol(HttpServletRequest req);
-
- protected HTTPBindingProcessor getBindingProcessor(Id id, HttpServletRequest req, Locale locale) {
-
- // remove existing binding processor if present
- getBindingProcessorManager().removeBindingProcessor(id);
-
- // create new binding processor
- return (HTTPBindingProcessor) getBindingProcessorManager().createBindingProcessor(getRequestProtocol(req), locale);
-
- }
-
- @Override
- protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
- java.io.IOException {
-
- String msg = (req.getSession(false) == null) ? "New session created."
- : "Session already established.";
-
- Id id = IdFactory.getInstance().createId(req.getSession().getId());
- MDC.put("id", id.toString());
-
- String acceptLanguage = req.getHeader("Accept-Language");
- Locale locale = AcceptLanguage.getLocale(acceptLanguage);
-
- if (log.isInfoEnabled()) {
- log.info("Recieved request (Accept-Language locale: {}). {}", locale, msg);
- }
-
- try {
-
- HTTPBindingProcessor bindingProcessor = getBindingProcessor(id, req, locale);
-
- Map<String, String> headerMap = new HashMap<String, String>();
- for (Enumeration<?> headerName = req.getHeaderNames(); headerName
- .hasMoreElements();) {
- String header = (String) headerName.nextElement();
- if (header != null) {
- headerMap.put(header, req.getHeader(header));
- }
- }
-
- InputStream inputStream;
- String charset;
- if (req.getMethod().equals("POST")) {
- charset = req.getCharacterEncoding();
- String contentType = req.getContentType();
- if (charset != null) {
- contentType += ";" + charset;
- }
- headerMap.put(HttpUtil.HTTP_HEADER_CONTENT_TYPE, contentType);
- inputStream = req.getInputStream();
- } else {
- charset = "UTF-8";
- headerMap.put(HttpUtil.HTTP_HEADER_CONTENT_TYPE,
- InputDecoderFactory.URL_ENCODED);
- String queryString = req.getQueryString();
- if (queryString != null) {
- inputStream = new ByteArrayInputStream(queryString.getBytes(charset));
- } else {
- inputStream = new ByteArrayInputStream(new byte[] {});
- }
- }
- bindingProcessor.setHTTPHeaders(headerMap);
- bindingProcessor.consumeRequestStream(req.getRequestURL().toString(),
- inputStream);
-
- req.getInputStream().close();
- getBindingProcessorManager().process(id, bindingProcessor);
-
- HttpSession session = req.getSession();
-
- log.trace("Looking for applet parameters in request.");
-
- // appletWidth
- String width = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_WIDTH), charset);
- if (width != null && !width.isEmpty()) {
- try {
- // must be a valid integer
- session.setAttribute(ATTR_APPLET_WIDTH, Integer.parseInt(width));
- log.debug("Found parameter " + PARAM_APPLET_WIDTH + "='{}'.", width);
- } catch (NumberFormatException nfe) {
- log.warn("Parameter " + PARAM_APPLET_WIDTH
- + " does not contain a valid value.", nfe);
- }
- }
-
- // appletHeight
- String height = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_HEIGHT), charset);
- if (height != null && !height.isEmpty()) {
- try {
- // must be a valid integer
- session.setAttribute(ATTR_APPLET_HEIGHT, Integer.parseInt(height));
- log.debug("Found parameter " + PARAM_APPLET_HEIGHT + "='{}'.", height);
- } catch (NumberFormatException nfe) {
- log.warn("Parameter " + PARAM_APPLET_HEIGHT
- + " does not contain a valid value.", nfe);
- }
- }
-
- // appletBackground
- String background = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_BACKGROUND), charset);
- if (background != null && !background.isEmpty()) {
- session.setAttribute(ATTR_APPLET_BACKGROUND, background);
- try {
- // must be a valid http or https URL
- URI backgroundURL = new URI(background);
- if ("http".equals(backgroundURL.getScheme())
- || "https".equals(backgroundURL.getScheme())) {
- session.setAttribute(ATTR_APPLET_BACKGROUND, backgroundURL
- .toASCIIString());
- log.debug("Found parameter " + PARAM_APPLET_BACKGROUND + "='{}'.",
- backgroundURL.toASCIIString());
- } else {
- log.warn("Parameter " + PARAM_APPLET_BACKGROUND
- + "='{}' is not a valid http/https URL.", background);
- }
- } catch (URISyntaxException e) {
- log.warn("Parameter " + PARAM_APPLET_BACKGROUND
- + "='{}' is not a valid http/https URL.", background, e);
- }
- }
-
- // appletBackgroundColor
- String backgroundColor = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_BACKGROUND_COLOR), charset);
- if (backgroundColor != null && !backgroundColor.isEmpty()) {
- // must be a valid color definition
- if (PATTERM_APPLET_BACKGROUND_COLOR.matcher(backgroundColor).matches()) {
- session.setAttribute(ATTR_APPLET_BACKGROUND_COLOR, backgroundColor);
- log.debug("Faund parameter " + PARAM_APPLET_BACKGROUND_COLOR
- + "='{}'.", backgroundColor);
- } else {
- log.warn("Parameter " + PARAM_APPLET_BACKGROUND_COLOR
- + "='{}' is not a valid color definition "
- + "(must be of form '#hhhhhh').", backgroundColor);
- }
- }
-
- // appletGuiStyle
- String guiStyle = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_GUI_STYLE), charset);
- if (guiStyle != null && !guiStyle.isEmpty()) {
- // must be one of VALUES_APPLET_GUI_STYLE
- String style = guiStyle.toLowerCase();
- if (Arrays.asList(VALUES_APPLET_GUI_STYLE).contains(style)) {
- session.setAttribute(ATTR_APPLET_GUI_STYLE, style);
- log.debug("Found parameter " + PARAM_APPLET_GUI_STYLE + "='{}'.", style);
- } else {
- StringBuilder sb = new StringBuilder();
- sb.append("Parameter ").append(PARAM_APPLET_GUI_STYLE).append(
- "='").append(guiStyle).append("' is not valid (must be one of ")
- .append(Arrays.toString(VALUES_APPLET_GUI_STYLE)).append(").");
- log.warn(sb.toString());
- }
- }
-
- // appletExtension
- String extension = getStringFromStream(bindingProcessor
- .getFormData(PARAM_APPLET_EXTENSION), charset);
- if (extension != null && !extension.isEmpty()) {
- // must be one of VALUES_APPLET_EXTENSION
- String ext = extension.toLowerCase();
- if (Arrays.asList(VALUES_APPLET_EXTENSION).contains(ext)) {
- session.setAttribute(ATTR_APPLET_EXTENSION, ext);
- log.debug("Found parameter " + PARAM_APPLET_EXTENSION + "='{}'.", ext);
- } else {
- StringBuilder sb = new StringBuilder();
- sb.append("Parameter ").append(PARAM_APPLET_EXTENSION).append(
- "='").append(extension).append("' is not valid (must be one of ")
- .append(Arrays.toString(VALUES_APPLET_EXTENSION)).append(").");
- log.warn(sb.toString());
- }
- }
-
- // locale
- String localeFormParam = getStringFromStream(bindingProcessor
- .getFormData(PARAM_LOCALE), charset);
- if (localeFormParam != null && !localeFormParam.isEmpty()) {
- // must be a valid locale
- if (PATTERN_LOCALE.matcher(localeFormParam).matches()) {
- locale = new Locale(localeFormParam);
- log.debug("Override accept-language header locale {} "
- + "with form param {}.", locale, localeFormParam);
- } else {
- log.warn("Parameter " + PARAM_LOCALE
- + "='{}' is not a valid locale definition.", localeFormParam);
- }
- }
- if (locale != null) {
- log.debug("Using locale {}.", locale);
- session.setAttribute(ATTR_LOCALE, locale.toString());
- }
-
- beforeAppletPage(req, bindingProcessor);
-
- String appletPage = getStringFromStream(bindingProcessor
- .getFormData(APPLET_PAGE_P), charset);
- if (appletPage == null || appletPage.isEmpty()) {
- appletPage = APPLET_PAGE_DEFAULT;
- }
- log.debug("Sending redirect to UI page '{}'.", appletPage + ";jsessionid=" + id);
- resp.sendRedirect(appletPage + ";jsessionid=" + id);
-
- } finally {
- MDC.remove("id");
- }
- }
-
- @Override
- protected void doGet(HttpServletRequest req, HttpServletResponse resp)
- throws ServletException, java.io.IOException {
- doPost(req, resp);
- }
-
- /**
- * Called before the request is forwarded or redirected to the Applet page.
- *
- * @param req
- * @param bindingProcessor
- */
- protected void beforeAppletPage(HttpServletRequest req,
- HTTPBindingProcessor bindingProcessor) {
- }
-
-}