001    /*
002     * Copyright (c) 2009 The openGion Project.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013     * either express or implied. See the License for the specific language
014     * governing permissions and limitations under the License.
015     */
016    package org.opengion.hayabusa.filter;
017    
018    import org.opengion.fukurou.util.Closer;
019    import org.opengion.fukurou.util.HybsDateUtil;
020    
021    import javax.servlet.ServletRequest;
022    import javax.servlet.http.HttpServletRequest;
023    import javax.servlet.ServletResponse;
024    import javax.servlet.ServletException;
025    import javax.servlet.ServletContext;
026    import javax.servlet.Filter;
027    import javax.servlet.FilterChain;
028    import javax.servlet.FilterConfig;
029    
030    // import java.util.Date;
031    // import java.util.Locale ;
032    // import java.text.DateFormat;
033    // import java.text.SimpleDateFormat;
034    
035    import java.io.File;                                                    // 5.7.3.2 (2014/02/28) Tomcat8 蟇ｾ蠢?
036    import java.io.PrintWriter;
037    import java.io.BufferedReader;
038    import java.io.IOException;
039    import java.io.FileInputStream;
040    import java.io.InputStreamReader;
041    import java.io.UnsupportedEncodingException;
042    
043    /**
044     * AccessStopFilter 縺ｯ縲：ilter 繧､繝ｳ繧ｿ繝ｼ繝輔ぉ繝ｼ繧ｹ繧堤ｶ呎価縺励◆ 繧｢繧ｯ繧ｻ繧ｹ蛻ｶ蠕｡繧ｯ繝ｩ繧ｹ縺ｧ縺吶?
045     * web.xml 縺ｧ filter 險ｭ螳壹☆繧九％縺ｨ縺ｫ繧医ｊ縲仝eb繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ縺ｸ縺ｮ繧｢繧ｯ繧ｻ繧ｹ繧貞宛蠕｡縺ｧ縺阪∪縺吶?
046     * 縺ｾ縺溘?SYSTEM 繝ｦ繝ｼ繧ｶ繝ｼ縺ｯ縲√％縺ｮ繝輔ぅ繝ｫ繧ｿ繝ｼ繧貞ｸｸ縺ｫ騾夐℃縺励∪縺吶?
047     *
048     * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｫ蟇ｾ縺励※web.xml 縺ｧ繝代Λ繝｡繝ｼ繧ｿ繧定ｨｭ螳壹＠縺ｾ縺吶?
049     *   繝ｻstartTime:蛛懈ｭ｢髢句ｧ区凾蛻ｻ
050     *   繝ｻstopTime :蛛懈ｭ｢邨ゆｺ?凾蛻ｻ
051     *   繝ｻfilename :蛛懈ｭ｢譎ゅΓ繝?そ繝ｼ繧ｸ陦ｨ遉ｺ繝輔ぃ繧､繝ｫ蜷?
052     *
053     * 縲晋EB-INF/web.xml縲?
054     *     &lt;filter&gt;
055     *         &lt;filter-name&gt;AccessStopFilter&lt;/filter-name&gt;
056     *         &lt;filter-class&gt;org.opengion.hayabusa.filter.AccessStopFilter&lt;/filter-class&gt;
057     *         &lt;init-param&gt;
058     *             &lt;param-name&gt;startTime&lt;/param-name&gt;
059     *             &lt;param-value&gt;070000&lt;/param-value&gt;
060     *         &lt;/init-param&gt;
061     *         &lt;init-param&gt;
062     *             &lt;param-name&gt;stopTime&lt;/param-name&gt;
063     *             &lt;param-value&gt;070000&lt;/param-value&gt;
064     *         &lt;/init-param&gt;
065     *         &lt;init-param&gt;
066     *             &lt;param-name&gt;filename&lt;/param-name&gt;
067     *             &lt;param-value&gt;jsp/custom/stopFile.html&lt;/param-value&gt;
068     *         &lt;/init-param&gt;
069     *     &lt;/filter&gt;
070     *
071     *     &lt;filter-mapping&gt;
072     *         &lt;filter-name&gt;AccessStopFilter&lt;/filter-name&gt;
073     *         &lt;url-pattern&gt;/jsp/*&lt;/url-pattern&gt;
074     *     &lt;/filter-mapping&gt;
075     *
076     * @og.group 繝輔ぅ繝ｫ繧ｿ繝ｼ蜃ｦ逅?
077     *
078     * @version  4.0
079     * @author   Kazuhiko Hasegawa
080     * @since    JDK5.0,
081     */
082    public final class AccessStopFilter implements Filter {
083    
084            private static boolean stopFilter = false;
085            private String startTime = "230000";            // 蛛懈ｭ｢髢句ｧ区凾蛻ｻ
086            private String stopTime  = "070000";            // 蛛懈ｭ｢邨ゆｺ?凾蛻ｻ
087            private String filename  = null;                        // 蛛懈ｭ｢譎ゅΓ繝?そ繝ｼ繧ｸ陦ｨ遉ｺ繝輔ぃ繧､繝ｫ蜷?
088            private int    startStop = 0;
089    
090            /**
091             * 繝輔ぅ繝ｫ繧ｿ繝ｼ蜃ｦ逅?悽菴薙?繝｡繧ｽ繝?ラ縺ｧ縺吶?
092             *
093             * @og.rev 3.1.3.0 (2003/04/10) UTF-8 豎ｺ繧∵遠縺｡縺ｧ縲《topFile.html 繧定ｿ秘?縺吶ｋ縲?
094             * @og.rev 3.1.8.0 (2003/05/16) 譁?ｭ励お繝ｳ繧ｳ繝ｼ繝峨′縲ゞTF-8 縺ｫ縺ｪ縺｣縺ｦ縺?↑縺??繧剃ｿｮ豁｣縲?
095             *
096             * @param       request         ServletRequest繧ｪ繝悶ず繧ｧ繧ｯ繝?
097             * @param       response        ServletResponse繧ｪ繝悶ず繧ｧ繧ｯ繝?
098             * @param       chain           FilterChain繧ｪ繝悶ず繧ｧ繧ｯ繝?
099             * @throws IOException 蜈･蜃ｺ蜉帙お繝ｩ繝ｼ縺檎匱逕溘＠縺溷?蜷医?throw 縺輔ｌ縺ｾ縺吶?
100             * @throws ServletException 繧ｵ繝ｼ繝悶Ξ繝?ヨ髢｢菫ゅ?繧ｨ繝ｩ繝ｼ縺檎匱逕溘＠縺溷?蜷医?throw 縺輔ｌ縺ｾ縺吶?
101             */
102            public void doFilter( final ServletRequest request,
103                                                            final ServletResponse response,
104                                                            final FilterChain chain)
105                                                                    throws IOException, ServletException {
106    
107                    if( isStop( request ) ) {
108                            BufferedReader in = null ;
109                            try {
110                                    response.setContentType( "text/html; charset=UTF-8" );
111                                    PrintWriter out = response.getWriter();
112                                    in = new BufferedReader( new InputStreamReader(
113                                                                    new FileInputStream( filename ) ,"UTF-8" ) );
114                                    String str ;
115                                    while( (str = in.readLine()) != null ) {
116                                            out.println( str );
117                                    }
118                                    out.flush();
119                            }
120                            catch( UnsupportedEncodingException ex ) {
121                                    String errMsg = "謖?ｮ壹＆繧後◆繧ｨ繝ｳ繧ｳ繝ｼ繝?ぅ繝ｳ繧ｰ縺後し繝昴?繝医＆繧後※縺?∪縺帙ｓ縲?UTF-8]" ;
122                                    throw new RuntimeException( errMsg,ex );
123                            }
124                            catch( IOException ex ) {
125                                    String errMsg = "繧ｹ繝医Μ繝ｼ繝?′繧ｪ繝ｼ繝励Φ蜃ｺ譚･縺ｾ縺帙ｓ縺ｧ縺励◆縲?" + filename + "]" ;
126                                    throw new RuntimeException( errMsg,ex );
127                            }
128                            finally {
129                                    Closer.ioClose( in );
130                            }
131                            return;
132                    }
133    
134                    chain.doFilter(request, response);
135            }
136    
137            /**
138             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｮ蛻晄悄蜃ｦ逅?Γ繧ｽ繝?ラ縺ｧ縺吶?
139             *
140             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｫ蟇ｾ縺励※web.xml 縺ｧ蛻晄悄繝代Λ繝｡繝ｼ繧ｿ繧定ｨｭ螳壹＠縺ｾ縺吶?
141             *   繝ｻstartTime:蛛懈ｭ｢髢句ｧ区凾蛻ｻ
142             *   繝ｻstopTime :蛛懈ｭ｢邨ゆｺ?凾蛻ｻ
143             *   繝ｻfilename :蛛懈ｭ｢譎ゅΓ繝?そ繝ｼ繧ｸ陦ｨ遉ｺ繝輔ぃ繧､繝ｫ蜷?
144             *
145             * @og.rev 5.7.3.2 (2014/02/28) Tomcat8 蟇ｾ蠢懊?getRealPath( "/" ) 縺ｮ莠呈鋤諤ｧ縺ｮ縺溘ａ縺ｮ菫ｮ豁｣縲?
146             *
147             * @param       filterConfig    FilterConfig繧ｪ繝悶ず繧ｧ繧ｯ繝?
148             */
149            public void init(final FilterConfig filterConfig) {
150    
151                    ServletContext context = filterConfig.getServletContext();
152    //              String realPath = context.getRealPath( "/" );
153                    String realPath = context.getRealPath( "" ) + File.separator;   // 5.7.3.2 (2014/02/28) Tomcat8 蟇ｾ蠢?
154    
155                    startTime = filterConfig.getInitParameter("startTime");
156                    stopTime  = filterConfig.getInitParameter("stopTime");
157                    filename  = realPath + filterConfig.getInitParameter("filename");
158    
159                    if( startTime == null || stopTime == null ) {
160                            startStop = 0;
161                    }
162                    else {
163                            startStop = startTime.compareTo( stopTime );
164                    }
165            }
166    
167            /**
168             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｮ邨ゆｺ??逅?Γ繧ｽ繝?ラ縺ｧ縺吶?
169             *
170             */
171            public void destroy() {
172                    // 縺薙％縺ｧ縺ｯ蜃ｦ逅?ｒ陦後＞縺ｾ縺帙ｓ縲?
173            }
174    
175            /**
176             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｮ蜀?Κ迥ｶ諷九ｒ繝√ぉ繝?け縺吶ｋ繝｡繧ｽ繝?ラ縺ｧ縺吶?
177             * 蜀?Κ縺ｮ繝輔Λ繧ｰ繧偵ｂ縺ｨ縺ｫ縲∝●豁｢/險ｱ蜿ｯ繧呈ｱゅａ縺ｾ縺吶?
178             *
179             * @og.rev 3.1.8.0 (2003/05/16) 髢句ｧ区凾蛻ｻ縺ｨ邨ゆｺ?凾蛻ｻ繧貞酔荳?↓縺励※縺?ｋ縺ｨ縲∫判髱｢縺九ｉ縺ｮ蛻ｶ蠕｡縺悟柑縺九↑縺?ヰ繧ｰ繧剃ｿｮ豁｣縲?
180             * @og.rev 5.5.3.2 (2012/06/08) 騾夐℃縺輔○繧九Θ繝ｼ繧ｶ繝ｼ縺ｫ縲∥dmin 繧定ｿｽ蜉?＠縺ｾ縺吶?
181             * @og.rev 5.5.7.2 (2012/10/09) HybsDateUtil 繧貞茜逕ｨ縺吶ｋ繧医≧縺ｫ菫ｮ豁｣縺励∪縺吶?
182             *
183             * @param request ServletRequest繧ｪ繝悶ず繧ｧ繧ｯ繝?
184             *
185             * @return      (true:蛛懈ｭ｢  false:螳溯｡瑚ｨｱ蜿ｯ)
186             */
187            private boolean isStop( final ServletRequest request ) {
188                    String userID = ((HttpServletRequest)request).getRemoteUser() ;
189                    // 5.5.3.2 (2012/06/08) 騾夐℃縺輔○繧九Θ繝ｼ繧ｶ繝ｼ縺ｫ縲∥dmin 繧定ｿｽ蜉?
190    //              if( "SYSTEM".equalsIgnoreCase( userID ) ) {
191                    if( "SYSTEM".equalsIgnoreCase( userID ) || "admin".equalsIgnoreCase( userID ) ) {
192                            return false;
193                    }
194    
195                    // 4.0.0 (2005/01/31)
196    //              DateFormat formatter = new SimpleDateFormat( "HHmmss",Locale.JAPAN );
197    //              String time = formatter.format( new Date() );
198                    String time = HybsDateUtil.getDate( "HHmmss" );         // 5.5.7.2 (2012/10/09) HybsDateUtil 繧貞茜逕ｨ
199    
200                    boolean rtnFlag = stopFilter;
201                    if( startStop < 0 ) {
202                            if( startTime.compareTo( time ) < 0 &&
203                                    time.compareTo( stopTime )  < 0 ) {
204                                            rtnFlag = true;
205                            }
206                    }
207                    else if( startStop > 0 ) {
208                            if( startTime.compareTo( time ) < 0 ||
209                                    time.compareTo( stopTime )  < 0 ) {
210                                            rtnFlag = true;
211                                    }
212                    }
213                    return rtnFlag;
214            }
215    
216            /**
217             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｮ蠑ｷ蛻ｶ蛛懈ｭ｢/隗｣髯､繧定ｨｭ螳壹☆繧九Γ繧ｽ繝?ラ縺ｧ縺吶?
218             *
219             * @og.rev 4.0.0.0 (2005/01/31) synchronized 縺ｮ蟒?ｭ｢
220             *
221             * @param flag (true:蛛懈ｭ｢  false:螳溯｡瑚ｨｱ蜿ｯ)
222             */
223            public static void setStopFilter( final boolean flag ) {
224                    stopFilter = flag;
225            }
226    
227            /**
228             * 繝輔ぅ繝ｫ繧ｿ繝ｼ縺ｮ蜀?Κ迥ｶ諷?蠑ｷ蛻ｶ蛛懈ｭ｢/隗｣髯､)繧貞叙蠕励☆繧九Γ繧ｽ繝?ラ縺ｧ縺吶?
229             * 縺薙ｌ縺ｯ縲∫樟蝨ｨ縲√い繧ｯ繧ｻ繧ｹ蛻ｶ髯舌′縺ｩ縺?↑縺｣縺ｦ縺?ｋ縺九→縺?≧迥ｶ諷九〒縺ｯ縺ｪ縺上?
230             * 蠑ｷ蛻ｶ蛛懈ｭ｢縺輔ｌ縺ｦ縺?ｋ縺九←縺?°縺ｮ遒ｺ隱阪Γ繧ｽ繝?ラ縺ｧ縺吶?
231             *
232             * @og.rev 4.0.0.0 (2007/11/29) getStopFilter() 竍?isStopFilter() 縺ｫ螟画峩
233             *
234             * @return      (true:蛛懈ｭ｢  false:螳溯｡瑚ｨｱ蜿ｯ)
235             */
236    //      public static boolean getStopFilter() {
237            public static boolean isStopFilter() {
238                    return stopFilter;
239            }
240    
241            /**
242             * 蜀?Κ迥ｶ諷九ｒ譁?ｭ怜?縺ｧ霑斐＠縺ｾ縺吶?
243             *
244             * @return      縺薙?繧ｯ繝ｩ繧ｹ縺ｮ譁?ｭ怜?陦ｨ遉ｺ
245             */
246            @Override
247            public String toString() {
248                    StringBuilder sb = new StringBuilder();
249                    sb.append( "AccessStopFilter" );
250                    sb.append( "[" ).append( startTime ).append( "],");
251                    sb.append( "[" ).append( stopTime  ).append( "],");
252                    sb.append( "[" ).append( filename  ).append( "],");
253                    return (sb.toString());
254            }
255    }