1 | /*
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2 | * ServletRealmCheck.java
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3 | * Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
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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 General Public License as published by
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7 | * the Free Software Foundation; either version 2 of the License, or
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8 | * (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 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 General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 | package org.greenstone.gsdl3.util;
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20 |
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21 | import java.io.BufferedReader;
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22 | import java.io.File;
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23 | import java.io.FileInputStream;
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24 | import java.io.InputStream;
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25 | import java.io.InputStreamReader;
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26 | import java.io.IOException;
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27 | import java.net.HttpURLConnection;
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28 | import java.net.URL;
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29 | import java.net.URLConnection;
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30 | import java.util.Properties;
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31 |
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32 | import org.greenstone.util.ProtocolPortProperties;
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33 |
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34 | /**
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35 | * Commandline script that is used by gliserver.pl to authenticate a username and password and
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36 | * return the user's groups, while the derby server is running. Because 2 JVM instances can't
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37 | * access the same embedded derby server at the same time, gliserver can't call usersDB2txt.java.
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38 | * If a collection parameter is additionally provided, this script will check the user's groups
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39 | * to see if any of these allow the user to edit that collection.
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40 | *
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41 | * Run as java org.greenstone.gsdl3.util.ServletRealmCheck <GS3SRCHOME> <un> <pwd> [colname]
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42 | *
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43 | * GS3\src\java>"C:\Program Files\Java\jdk1.6.0_22\bin\java"
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44 | * -classpath "GS3\web\WEB-INF\lib\gsdl3.jar;GS3\web\WEB-INF\lib\derby.jar"
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45 | * org.greenstone.gsdl3.util.ServletRealmCheck "GS3" admin <pw> 2>&1
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46 | *
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47 | * Tries URL: http://hostname:8383/greenstone3/library?a=s&sa=authenticated-ping&excerptid=gs_content&un=admin&pw=<pw>[&col=demo]
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48 | * The &excerptid=gs_content in the URL will return just the <div id="gs_content" /> part of the
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49 | * page that we're interested in.
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50 | *
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51 | * Result: either prints out an error message ("Authentication failed...") or a positive result,
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52 | * which is the user's groups. For the admin user example: administrator,all-collections-editor.
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53 | *
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54 | */
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55 | public class ServletRealmCheck
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56 | {
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57 | public static void main(String[] args) {
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58 |
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59 | if (args.length < 3 || args.length > 4){
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60 | System.out.println("Run with: <GSDL3SRCHOME> <un> <pwd> [collection-name]");
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61 | System.exit(0);
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62 | }
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63 |
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64 | String gsdl3srchome = args[0];
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65 | String username = args[1];
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66 | String password = args[2];
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67 | String collection = (args.length > 3) ? args[3] : null;
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68 |
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69 | //System.err.println("gsdl3srchome: " + gsdl3srchome);
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70 | //System.err.println("username: " + username);
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71 | //System.err.println("password: " + password);
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72 | //System.err.println("collection: " + collection);
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73 |
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74 |
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75 | // Load the build.properties file, get the GS3 server URL and send authenticated-ping and print the return result
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76 |
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77 | //http://www.mkyong.com/java/java-properties-file-examples/
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78 | Properties buildProps = new Properties();
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79 | InputStream input = null;
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80 |
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81 | try {
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82 | File buildPropsFile = new File(gsdl3srchome, "build.properties");
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83 | input = new FileInputStream(buildPropsFile);
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84 |
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85 | // load a properties file
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86 | buildProps.load(input);
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87 |
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88 | // get the property value and print it out
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89 | String servername = buildProps.getProperty("tomcat.server");
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90 | ProtocolPortProperties protocolPortProps = new ProtocolPortProperties(buildProps); // can throw Exception
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91 | String protocol = protocolPortProps.getProtocol();
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92 | String port = protocolPortProps.getPort();
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93 | int portNum = Integer.parseInt(port);
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94 |
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95 | // Appending &excerptid=gs_content will get just the <div ... id="gs_content"/> from the final web page:
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96 | String urlSuffix = "/greenstone3/library?a=s&sa=authenticated-ping&excerptid=gs_content&un="+username+"&pw="+password;
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97 | if(collection != null) {
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98 | urlSuffix = urlSuffix + "&col="+collection;
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99 | }
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100 | URL authenticationUrl = new URL(protocol, servername, portNum, urlSuffix);
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101 |
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102 | HttpURLConnection conn = (HttpURLConnection)authenticationUrl.openConnection();
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103 | BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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104 | String result = "";
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105 | String line = null;
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106 |
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107 | while((line = reader.readLine()) != null) {
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108 | result += line;
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109 | }
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110 |
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111 | //System.err.println("** Sent: " + authenticationUrl);
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112 | //System.err.println("** Got result:\n" + result);
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113 |
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114 | // Parse out the content nested inside <div ... id="gs_content"> </div>
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115 | int start = result.indexOf("id=\"gs_content\"");
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116 | if(start != -1) {
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117 | start = result.indexOf(">", start);
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118 | int end = result.indexOf("<", start);
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119 | result = result.substring(start+1, end);
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120 | result = result.trim();
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121 | }
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122 |
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123 | // Now we finally have what we actually want to print out for the caller to use
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124 | System.out.print(result); // don't add newline to end
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125 |
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126 | } catch (Exception ex) {
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127 | System.err.println("Got exception " + ex.getMessage());
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128 | ex.printStackTrace();
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129 | } finally {
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130 | if (input != null) {
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131 | try {
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132 | input.close();
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133 | } catch (IOException e) {
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134 | e.printStackTrace();
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135 | }
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136 | }
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137 | }
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138 |
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139 | }
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140 |
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141 | }
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