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1
25 package org.snipsnap.net;
26
27 import org.radeox.util.logging.Logger;
28 import org.snipsnap.app.Application;
29 import org.snipsnap.config.Configuration;
30 import org.snipsnap.container.Components;
31 import org.snipsnap.snip.Snip;
32 import org.snipsnap.snip.SnipSpace;
33 import org.snipsnap.snip.label.TypeLabel;
34 import org.snipsnap.user.AuthenticationService;
35 import org.snipsnap.user.Roles;
36 import org.snipsnap.user.User;
37 import org.snipsnap.util.URLEncoderDecoder;
38
39 import javax.servlet.RequestDispatcher  ;
40 import javax.servlet.ServletException ;
41 import javax.servlet.http.HttpServlet ;
42 import javax.servlet.http.HttpServletRequest ;
43 import javax.servlet.http.HttpServletResponse ;
44 import java.io.IOException ;
45 import java.util.Collection ;
46 import java.util.Iterator ;
47 import java.util.Map ;
48
49
55 public class SnipViewServlet extends HttpServlet {
56 private final static Roles authRoles = new Roles(Roles.AUTHENTICATED);
57
58 protected void doHead(HttpServletRequest request, HttpServletResponse response)
59 throws ServletException , IOException {
60 doGet(request, response);
61 }
62
63 public void doGet(HttpServletRequest request, HttpServletResponse response)
64 throws IOException , ServletException {
65
66 Configuration config = Application.get().getConfiguration();
67 User user = Application.get().getUser();
68 AuthenticationService service = (AuthenticationService) Components.getComponent(AuthenticationService.class);
69
70 if (service.isAuthenticated(user)) {
71 user.lastAccess();
72 }
73
74 String name = request.getPathInfo();
76 if (null == name || "/".equals(name)) {
77 name = config.getStartSnip();
78 } else {
79 name = name.substring(1);
80 }
81 String encodedSpace = config.getEncodedSpace();
82 if (encodedSpace != null && encodedSpace.length() > 0) {
83 name = name.replace(encodedSpace.charAt(0), ' ');
84 }
85
87 SnipSpace space = (SnipSpace) Components.getComponent(SnipSpace.class);
89 Snip snip = space.load(name);
90
91 String subname = null;
92 if (null == snip) {
93 int slashIndex = name.lastIndexOf('/');
95 if (slashIndex != -1) {
96 subname = name.substring(slashIndex + 1);
97 name = name.substring(0, slashIndex);
98 Logger.log(Logger.DEBUG, name + ": attachment: " + subname);
99 }
100 snip = space.load(name);
101 }
102
103 request.setAttribute("snip", snip);
104
106 if (subname != null && subname.length() > 0) {
107 try {
108 request.setAttribute(FileDownloadServlet.FILENAME, subname);
109 RequestDispatcher dispatcher =
110 getServletContext().getNamedDispatcher("org.snipsnap.net.FileDownloadServlet");
111 dispatcher.forward(request, response);
112 return;
113 } catch (ServletException e) {
114 name = name + "/" + subname;
116 snip = null;
117 }
118 }
119
120 if ("HEAD".equals(request.getMethod())) {
122 response.setStatus(HttpServletResponse.SC_OK);
123 return;
124 }
125
126 if (null == snip) {
128 if (config.allow(Configuration.APP_PERM_CREATESNIP)) {
129 response.sendRedirect(config.getUrl("/exec/edit?name=" + URLEncoderDecoder.encode(name, config.getEncoding())));
130 } else {
131 if ("snipsnap-notfound".equals(name)) {
132 response.sendError(HttpServletResponse.SC_NOT_FOUND,
133 "Internal Error: could not find snipsnap-notfound page."
134 + "This may indicate that either the installation has failed or the Database is corrupted.");
135 return;
136 }
137 response.sendRedirect(config.getUrl("/space/snipsnap-notfound?name=" + URLEncoderDecoder.encode(name, config.getEncoding())));
138 }
139 return;
140 }
141
142 String viewHandler = null;
143 String type = null;
144 Collection mimeTypes = snip.getLabels().getLabels("TypeLabel");
145 if (!mimeTypes.isEmpty()) {
146 Iterator handlerIt = mimeTypes.iterator();
147 while (handlerIt.hasNext()) {
148 TypeLabel typeLabel = (TypeLabel) handlerIt.next();
149 viewHandler = typeLabel.getViewHandler();
150 if (null == viewHandler) {
152 viewHandler = TypeLabel.getViewHandler(typeLabel.getTypeValue());
153 }
154
155 if (null != viewHandler) {
156 type = typeLabel.getTypeValue();
157 request.setAttribute("view_handler", viewHandler);
158 request.setAttribute("mime_type", type);
159 break;
160 }
161 }
162 }
163
164 Application app = Application.get();
165 Map params = app.getParameters();
166 params.put("viewed", snip);
167 params.put("RSS", params.get("RSS") + "?snip=" + snip.getNameEncoded());
168
169 snip.handle(request);
170 RequestDispatcher dispatcher = request.getRequestDispatcher("/exec/snip.jsp");
171 dispatcher.forward(request, response);
172 }
173 }
174 |
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