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1
53
54 package com.Yasna.forum.tags;
55
56 import javax.servlet.jsp.tagext.*;
57 import com.Yasna.forum.*;
58 import javax.servlet.jsp.*;
59 import java.net.*;
60 import java.util.*;
61
62
68 public class PerformAdminActionTag extends TagSupport {
69
70 private Action target;
71
72 public int doStartTag() throws JspException {
73 try {
74 Authorization authToken = getAuthToken();
75 ForumFactory forumFactory = ForumFactory.getInstance(authToken);
76 ForumPermissions permissions = forumFactory.getPermissions(authToken);
77 boolean isSystemAdmin = permissions.get(ForumPermissions.SYSTEM_ADMIN);
78 boolean isUserAdmin = permissions.get(ForumPermissions.FORUM_ADMIN);
79 boolean isModerator = false;
80 Forum forum = getCurrentForum();
81 if (forum != null) {
82 isModerator = forum.getPermissions(authToken).get(ForumPermissions.MODERATOR);
83 }
84 boolean isAdmin = isUserAdmin || isSystemAdmin || isModerator;
85 if (isAdmin) {
86 Enumeration en = pageContext.getRequest().getParameterNames();
87 while (en.hasMoreElements()) {
88 String  p = (String ) en.nextElement();
89 if (p.startsWith("approve_")) {
90 try {
91 String idStr = p.substring(8, p.indexOf("."));
92 int id = Integer.parseInt(idStr);
93 target.setApprovement(id, true);
94 break;
95 } catch(Exception e) {
96 e.printStackTrace();
97 }
98 } else if (p.startsWith("delete_")) {
99 try {
100 String idStr = p.substring(7, p.indexOf("."));
101 int id = Integer.parseInt(idStr);
102 target.delete(id);
103 break;
104 } catch(Exception e) {
105 e.printStackTrace();
106 }
107 }
108 }
109
110 } } catch(Exception e) {
112 }
113 return SKIP_BODY;
114 }
115
116
121 public void setTarget(String t) throws Exception {
122 if ("thread".equals(t)) {
123 target = new TargetThread();
124 } else if ("forum".equals(t)) {
125 target = new TargetForum();
126 } else {
127 throw new Exception ("Unknown 'target' = [" + target + "] set for attribute on PerformAdminAction tag!");
128 }
129 }
130
131
137 private Authorization getAuthToken() {
138 YazdState js = (YazdState) pageContext.getAttribute("yazdUserState",PageContext.SESSION_SCOPE);
139 return js.getAuthorization();
140 }
141
142 private ForumThread getCurrentThread() {
143 ThreadTag tt = null;
144 try {
145 tt = (ThreadTag)this.findAncestorWithClass(this,
146 Class.forName("com.Yasna.forum.tags.ThreadTag"));
147 } catch(Exception e) {
148 }
149 return tt.getThread();
150 }
151
152 private Forum getCurrentForum() {
153 ForumTag tt = null;
154 try {
155 tt = (ForumTag)this.findAncestorWithClass(this,
156 Class.forName("com.Yasna.forum.tags.ForumTag"));
157 } catch(Exception e) {
158 }
159 return tt.getForum();
160 }
161
162 interface Action {
163 public void delete(int id) throws Exception ;
164 public void setApprovement(int id, boolean approvement) throws Exception ;
165 }
166 class TargetThread implements Action {
167 public void delete(int id) throws Exception {
168 ForumThread thread = getCurrentThread();
169 ForumMessage toDelete = thread.getMessage(id);
170 thread.deleteMessage(toDelete);
171 }
172 public void setApprovement(int id, boolean approvement) throws Exception {
173 ForumThread thread = getCurrentThread();
174 thread.getMessage(id).setApprovment(approvement);
175 }
176 }
177 class TargetForum implements Action {
178 public void delete(int id) throws Exception {
179 Forum forum = getCurrentForum();
180 ForumThread toDelete = forum.getThread(id);
181 forum.deleteThread(toDelete);
182 }
183 public void setApprovement(int id, boolean approvement) throws Exception {
184 Forum forum = getCurrentForum();
185 forum.getThread(id).setApprovment(approvement);
186 }
187 }
188
189 } |
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