| commit | author | age | ||
| ec2456 | 1 | /* |
| DO | 2 | * Copyright 2014 gitblit.com. |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package com.gitblit.servlet; | |
| 17 | ||
| 18 | import java.io.IOException; | |
| 1b34b0 | 19 | import java.util.ArrayList; |
| ec2456 | 20 | import java.util.Iterator; |
| DO | 21 | import java.util.List; |
| 22 | ||
| cdb2fe | 23 | import com.google.inject.Inject; |
| JM | 24 | import com.google.inject.Singleton; |
| 1b34b0 | 25 | import javax.servlet.Filter; |
| ec2456 | 26 | import javax.servlet.FilterChain; |
| DO | 27 | import javax.servlet.FilterConfig; |
| 28 | import javax.servlet.ServletException; | |
| 29 | import javax.servlet.ServletRequest; | |
| 30 | import javax.servlet.ServletResponse; | |
| 31 | ||
| cf5db4 | 32 | import ro.fortsoft.pf4j.PluginWrapper; |
| JM | 33 | |
| ec2456 | 34 | import com.gitblit.extensions.HttpRequestFilter; |
| DO | 35 | import com.gitblit.manager.IPluginManager; |
| cf5db4 | 36 | import com.gitblit.manager.IRuntimeManager; |
| ec2456 | 37 | |
| DO | 38 | /** |
| cf5db4 | 39 | * A request filter than allows registered extension request filters to access |
| ec2456 | 40 | * request data. The intended purpose is for server monitoring plugins. |
| DO | 41 | * |
| 42 | * @author David Ostrovsky | |
| 43 | * @since 1.6.0 | |
| 44 | */ | |
| 1b34b0 | 45 | @Singleton |
| JM | 46 | public class ProxyFilter implements Filter { |
| 47 | private final IRuntimeManager runtimeManager; | |
| 48 | ||
| 49 | private final IPluginManager pluginManager; | |
| 50 | ||
| 51 | private final List<HttpRequestFilter> filters; | |
| 52 | ||
| 53 | @Inject | |
| 54 | public ProxyFilter( | |
| 55 | IRuntimeManager runtimeManager, | |
| 56 | IPluginManager pluginManager) { | |
| 57 | ||
| 58 | this.runtimeManager = runtimeManager; | |
| 59 | this.pluginManager = pluginManager; | |
| 60 | this.filters = new ArrayList<>(); | |
| 61 | ||
| 62 | } | |
| ec2456 | 63 | |
| DO | 64 | @Override |
| 1b34b0 | 65 | public void init(FilterConfig filterConfig) throws ServletException { |
| cf5db4 | 66 | |
| 1b34b0 | 67 | filters.addAll(pluginManager.getExtensions(HttpRequestFilter.class)); |
| ec2456 | 68 | for (HttpRequestFilter f : filters) { |
| cf5db4 | 69 | // wrap the filter config for Gitblit settings retrieval |
| JM | 70 | PluginWrapper pluginWrapper = pluginManager.whichPlugin(f.getClass()); |
| 71 | FilterConfig runtimeConfig = new FilterRuntimeConfig(runtimeManager, | |
| 72 | pluginWrapper.getPluginId(), filterConfig); | |
| 73 | ||
| 74 | f.init(runtimeConfig); | |
| ec2456 | 75 | } |
| DO | 76 | } |
| 77 | ||
| 78 | @Override | |
| 79 | public void doFilter(ServletRequest req, ServletResponse res, final FilterChain last) | |
| 80 | throws IOException, ServletException { | |
| 81 | final Iterator<HttpRequestFilter> itr = filters.iterator(); | |
| 82 | new FilterChain() { | |
| 83 | @Override | |
| 84 | public void doFilter(ServletRequest req, ServletResponse res) throws IOException, | |
| 85 | ServletException { | |
| 86 | if (itr.hasNext()) { | |
| 87 | itr.next().doFilter(req, res, this); | |
| 88 | } else { | |
| 89 | last.doFilter(req, res); | |
| 90 | } | |
| 91 | } | |
| 92 | }.doFilter(req, res); | |
| 93 | } | |
| 94 | ||
| 95 | @Override | |
| 96 | public void destroy() { | |
| 97 | for (HttpRequestFilter f : filters) { | |
| 98 | f.destroy(); | |
| 99 | } | |
| 100 | } | |
| 101 | } | |
