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25 package org.snipsnap.net;
26
27 import org.radeox.util.Encoder;
28 import org.radeox.util.logging.Logger;
29 import org.snipsnap.app.Application;
30 import org.snipsnap.container.Components;
31 import org.snipsnap.snip.Snip;
32 import org.snipsnap.snip.SnipSpace;
33 import org.snipsnap.snip.label.Label;
34 import org.snipsnap.snip.label.Labels;
35 import org.snipsnap.snip.label.TypeLabel;
36 import org.snipsnap.user.Permissions;
37 import org.snipsnap.user.Roles;
38 import org.snipsnap.user.Security;
39
40 import javax.servlet.RequestDispatcher  ;
41 import javax.servlet.ServletException ;
42 import javax.servlet.http.HttpServlet ;
43 import javax.servlet.http.HttpServletRequest ;
44 import javax.servlet.http.HttpServletResponse ;
45 import java.io.IOException ;
46 import java.util.ArrayList ;
47 import java.util.Collection ;
48 import java.util.Iterator ;
49 import java.util.List ;
50
51
58 public class SnipEditServlet extends HttpServlet {
59
60 private final static Roles authRoles = new Roles(Roles.AUTHENTICATED);
61
62 public void doPost(HttpServletRequest request, HttpServletResponse response)
63 throws IOException , ServletException {
64 doGet(request, response);
65 }
66
67 public void doGet(HttpServletRequest request, HttpServletResponse response)
68 throws IOException , ServletException {
69
70 String name = request.getParameter("name");
71 String content = request.getParameter("content");
72 String type = request.getParameter("type");
73 String editHandler = request.getParameter("handler");
74
75 SnipSpace space = (SnipSpace) Components.getComponent(SnipSpace.class);
76 Snip snip = null;
77 if (name != null && space.exists(name)) {
78 snip = space.load(name);
79 Collection snipTypes = snip.getLabels().getLabels("TypeLabel");
81 if (!snipTypes.isEmpty()) {
82 Iterator handlerIt = snipTypes.iterator();
83 while (handlerIt.hasNext()) {
84 TypeLabel typeLabel = (TypeLabel) handlerIt.next();
85 editHandler = typeLabel.getEditHandler();
86 if (null == editHandler) {
87 editHandler = TypeLabel.getEditHandler(typeLabel.getTypeValue());
88 }
89 if (null != editHandler && !"".equals(editHandler)) {
91 if (Security.checkPermission(Permissions.EDIT_SNIP, Application.get().getUser(), snip) &&
92 Security.hasRoles(Application.get().getUser(), snip, authRoles)) {
93 Logger.log("SnipEditServlet: using edit handler '" + editHandler + "'");
94 type = typeLabel.getTypeValue();
95 } else {
96 editHandler = null;
97 }
98 break;
99 }
100 }
101 }
102 } else {
103
104 String parent = request.getParameter("parent");
106 String parentBefore = request.getParameter("parentBefore");
107 if (null == parentBefore) {
108 parentBefore = parent;
109 }
110 request.setAttribute("parent", parent);
111 request.setAttribute("parentBefore", parentBefore);
112 request.setAttribute("templates", getTemplates());
113 if (type != null) {
114 editHandler = TypeLabel.getEditHandler(type);
115 }
116 }
117
118 String template = request.getParameter("template");
120 boolean copyTemplate = request.getParameter("copy.template") != null;
121 if (copyTemplate && template != null) {
122 Snip templateSnip = space.load(template);
123 content = (content != null ? content : "") + templateSnip.getContent();
124 }
125
126 request.setAttribute("snip", snip);
128 request.setAttribute("snip_name", name);
129
130 if (null != content) {
131 request.setAttribute("content", content);
132 } else {
133 request.setAttribute("content", snip != null ? snip.getContent() : "");
134 }
135
136 if (null != editHandler && !"".equals(editHandler)) {
137 if (Security.hasRoles(Application.get().getUser(), snip, authRoles)) {
138 request.setAttribute("edit_handler", editHandler);
139 request.setAttribute("mime_type", type);
140 }
141 }
142
143 String referer = sanitize(request.getParameter("referer"));
144 if (null == referer && request.getHeader("REFERER") != null) {
145 referer = Encoder.escape(request.getHeader("REFERER"));
146 }
147 request.setAttribute("referer", referer == null ? "" : referer);
148
149 RequestDispatcher dispatcher = request.getRequestDispatcher("/exec/edit.jsp");
150 dispatcher.forward(request, response);
151 }
152
153 private List getTemplates() {
154 List templates = new ArrayList ();
155
156 SnipSpace snipspace = (SnipSpace) Components.getComponent(SnipSpace.class);
157 List snipList = snipspace.getAll();
158
159 Iterator iterator = snipList.iterator();
160 while (iterator.hasNext()) {
161 Snip snip = (Snip) iterator.next();
162 Labels labels = snip.getLabels();
163 boolean noLabelsAll = labels.getAll().isEmpty();
164
165 if (!noLabelsAll) {
166 Collection labelsCat = labels.getLabels("TypeLabel");
167 if (!labelsCat.isEmpty()) {
168 Iterator iter = labelsCat.iterator();
169 while (iter.hasNext()) {
170 Label label = (Label) iter.next();
171 if (label.getValue().equals("Template")) {
172 templates.add(snip.getName());
173 }
174 }
175 }
176 }
177 }
178 return templates;
179 }
180
181 private String sanitize(String parameter) {
182 if (null != parameter) {
183 return parameter.split("[\r\n]")[0];
184 }
185 return parameter;
186 }
187 }
188 |
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