1 | /** |
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2 | * MailArchiver is an application that provides services for storing and managing e-mail messages through a Web Services SOAP interface. |
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3 | * Copyright (C) 2012 Marcio Andre Scholl Levien and Fernando Alberto Reuter Wendt and Jose Ronaldo Nogueira Fonseca Junior |
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4 | * |
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5 | * This program is free software: you can redistribute it and/or modify |
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6 | * it under the terms of the GNU Affero General Public License as |
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7 | * published by the Free Software Foundation, either version 3 of the |
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8 | * License, or (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU Affero General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU Affero General Public License |
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 | */ |
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18 | |
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19 | /******************************************************************************\ |
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20 | * |
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21 | * This product was developed by |
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22 | * |
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23 | * SERVIÃO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), |
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24 | * |
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25 | * a government company established under Brazilian law (5.615/70), |
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26 | * at Department of Development of Porto Alegre. |
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27 | * |
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28 | \******************************************************************************/ |
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29 | |
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30 | package serpro.mailarchiver.util; |
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31 | |
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32 | import java.io.IOException; |
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33 | import java.nio.file.Files; |
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34 | import java.nio.file.Path; |
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35 | import java.util.regex.Matcher; |
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36 | import java.util.regex.Pattern; |
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37 | |
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38 | import javax.servlet.http.HttpServletRequest; |
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39 | import javax.servlet.http.HttpServletResponse; |
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40 | |
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41 | import org.eclipse.jetty.rewrite.handler.RegexRule; |
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42 | import org.eclipse.jetty.rewrite.handler.Rule; |
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43 | import org.eclipse.jetty.server.Request; |
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44 | |
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45 | import org.springframework.beans.factory.annotation.Autowired; |
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46 | import org.springframework.beans.factory.annotation.Configurable; |
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47 | |
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48 | import serpro.mailarchiver.session.Session; |
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49 | import serpro.mailarchiver.session.SessionMap; |
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50 | |
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51 | @Configurable |
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52 | public class MailAccessRule |
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53 | extends RegexRule |
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54 | implements Rule.ApplyURI |
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55 | { |
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56 | private static final Logger log = Logger.getLocalLogger(); |
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57 | |
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58 | public MailAccessRule() { |
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59 | _handling = false; |
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60 | _terminating = false; |
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61 | |
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62 | setRegex("^/(.*)$"); |
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63 | } |
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64 | |
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65 | @Autowired |
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66 | private UserAppConfig userAppConfig; |
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67 | |
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68 | private static final String messagePathRegex = |
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69 | "^([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})/" + |
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70 | "(([^/]+/)*([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\\.eml)$"; |
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71 | |
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72 | private static final Pattern messagePathPattern = Pattern.compile(messagePathRegex, Pattern.CASE_INSENSITIVE); |
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73 | |
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74 | @Override |
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75 | public String apply( |
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76 | String oldTarget, |
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77 | HttpServletRequest request, |
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78 | HttpServletResponse response, |
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79 | Matcher matcher) { |
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80 | |
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81 | Matcher m = messagePathPattern.matcher(matcher.group(1)); |
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82 | |
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83 | if(m.matches()) { |
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84 | String sessionId = m.group(1); |
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85 | Session session = SessionMap.get(sessionId); |
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86 | if(session != null) { |
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87 | String relativeStrPath = session.getUserId() + "/" + m.group(2); |
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88 | Path absolutePath = userAppConfig.SERVER.getArchiveDir() |
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89 | .resolve("mail") |
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90 | .resolve(relativeStrPath); |
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91 | if(Files.exists(absolutePath)) { |
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92 | return "/" + relativeStrPath; |
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93 | } |
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94 | } |
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95 | try { |
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96 | response.sendError(HttpServletResponse.SC_NOT_FOUND); |
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97 | } |
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98 | catch (IOException ex) { |
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99 | } |
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100 | } |
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101 | else { |
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102 | try { |
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103 | response.sendError(HttpServletResponse.SC_BAD_REQUEST); |
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104 | } |
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105 | catch (IOException ex) { |
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106 | } |
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107 | } |
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108 | |
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109 | return oldTarget; |
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110 | } |
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111 | |
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112 | @Override |
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113 | public void applyURI( |
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114 | Request request, |
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115 | String oldTarget, |
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116 | String newTarget) throws IOException { |
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117 | |
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118 | if( ! newTarget.equalsIgnoreCase(oldTarget)) { |
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119 | request.setRequestURI(request.getContextPath() + newTarget); |
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120 | } |
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121 | } |
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122 | } |
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