1 | /*
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2 | * ProtocolPortProperties.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.util;
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20 |
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21 | import java.util.Properties;
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22 |
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23 | /*
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24 | * Utility class to set the protocol and port values from the Properties provided,
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25 | * which can be a Properties object loaded from either build.properties or global.properties
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26 | * Currently used by ServletRealmCheck and FedoraServiceProxy.
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27 | * (Could also be used by Server3.java and GlobalProperties in future, if applicable.)
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28 | * Can adjust fallback behaviour in this one location to make them all work consistently.
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29 | */
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30 | public class ProtocolPortProperties {
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31 |
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32 | public final boolean legacyMode; // true if before https protocol supported
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33 |
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34 | public static final int ALL_CORRECT = 0;
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35 | public static final int SECONDARY_PORT_NON_NUMERIC = 1;
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36 | public static final int INVALID_PRIMARY_PORT = 2;
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37 | public static final int OLD_TOMCATPORT_BUT_NO_VALUE = 3;
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38 | public static final int NO_PROTOCOL_OR_PORT = 4;
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39 | public static final int INVALID_PROTOCOL = 5;
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40 | public static final int HTTPS_INCONSISTENCY = 6;
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41 |
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42 | private static final String defProtocol = "http";
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43 | private static final String defHttpPort = "8383";
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44 | private static final String defHttpsPort = "8443";
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45 |
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46 | private String protocol; //= defProtocol;
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47 | private String port; //defHttpPort; //defProtocol.equals("https") ? defHttpsPort : defHttpPort; // port that matches protocol as String
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48 | private String httpPort; //defHttpPort;
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49 | private String httpsPort; //defHttpsPort;
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50 | //private int portNum = -1; // port that matches protocol as int
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51 |
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52 | private String errorMsg;
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53 | private int errorCode;
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54 |
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55 | public String getProtocol() { return protocol; }
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56 | public String getPort() { return port; }
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57 | public String getHttpPort() { return httpPort; }
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58 | public String getHttpsPort() { return httpsPort; }
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59 | public int getPortNum() { return Integer.parseInt(port); }
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60 |
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61 | public String getErrorMsg() { return errorMsg; }
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62 | public int getErrorCode() { return errorCode; }
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63 |
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64 | public boolean hadError() { return errorCode != ALL_CORRECT; }
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65 |
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66 | // Won't attempt to recover on error.
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67 | // This means on error, port etc values will be invalid
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68 | public ProtocolPortProperties(Properties props) {
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69 | this(props, false);
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70 | }
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71 |
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72 | public ProtocolPortProperties(Properties props, boolean recover)
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73 | {
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74 | StringBuffer msg = new StringBuffer();
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75 |
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76 | port = props.getProperty("tomcat.port");
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77 |
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78 | // We could either be dealing with properties files from before https support was introduced, in which case we want to be backwards compatible
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79 | // Or we're dealing with properties files after https support was introduced.
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80 | // To determine which, can ignore server.protocol: server.protocol was introduced at a time when tomcat.port was still in effect,
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81 | // server.protocol's presence does not indicate whether our GS3 installation supports https or not. Only the tomcat.port properties
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82 | // indicates that: if tomcat.port exists BUT tomcat.port.http(s) don't, then it's an older GS3 that has no https support, so default to http.
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83 | // If there is no tomcat.port at all, but there is a server.protocol check for the newer tomcat.port.<protocol> properties.
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84 | // NOTE: global.properties still has a property called tomcat.port. We're only dealing with the old tomcat.port-only way if tomcat.port.http(s) don't exist
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85 |
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86 | if(props.getProperty("tomcat.port.http") == null && props.getProperty("tomcat.port.https") == null && port != null) {
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87 | // tomcat.port exists but tomcat.port.http(s) don't, so this is a GS3 before https support.
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88 | legacyMode = true;
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89 |
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90 | // Back when tomcat.port was used AND tomcat.port.http(s) didn't exist, server.protocol if specified
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91 | // would always be treated as http regardless of what it was set to
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92 |
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93 | protocol = defProtocol; // tomcat.port.http(s) doesn't exist, just use http
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94 |
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95 |
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96 | if(port.equals("")) {
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97 | errorCode = OLD_TOMCATPORT_BUT_NO_VALUE;
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98 | msg.append("tomcat.port enabled but did not have a value.");
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99 | if(recover) {
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100 | port = httpPort = defHttpPort;
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101 | }
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102 | } else { // No issues: using tomcat.port is the pre-https way.
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103 | errorCode = ALL_CORRECT;
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104 | httpPort = port;
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105 | }
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106 | }
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107 | else {
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108 | legacyMode = false;
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109 |
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110 | protocol = props.getProperty("server.protocol");
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111 | if(protocol == null || (!protocol.equals("http") && !protocol.equals("https"))) {
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112 | if(port == null) { // if tomcat.port is null AND server.protocol is null or wrong. Something very wrong with the properties file
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113 | errorCode = NO_PROTOCOL_OR_PORT;
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114 | msg.append("server.protocol not set. And can't determine port.");
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115 | } else if(protocol == null) {
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116 | errorCode = NO_PROTOCOL_OR_PORT;
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117 | msg.append("server.protocol not set.");
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118 | } else {
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119 | errorCode = INVALID_PROTOCOL;
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120 | msg.append("server.protocol property must be http or https, but is set to invalid value. And can't determine port.");
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121 | }
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122 |
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123 | if(recover) {
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124 | protocol = defProtocol;
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125 | port = httpPort = defHttpPort;
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126 | }
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127 |
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128 | } else { // server.protocol was explicitly set and set to an acceptable value, try to find matching tomcat.port
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129 |
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130 | port = props.getProperty("tomcat.port."+protocol); // tomcat.port.http or tomcat.port.https, depending on server.protocol.
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131 |
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132 | // Handle cases where there's some inconsistency in the properties file between protocol and port.
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133 | // i.e. if server.protocol=http, then tomcat.port.http must be set too.
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134 | if(port == null || port.equals("")) {
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135 | errorCode = INVALID_PROTOCOL;
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136 | msg.append("server.protocol="+protocol+", but matching tomcat.port."+protocol+"not enabled or set.");
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137 |
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138 | if(recover) {
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139 | protocol = defProtocol;
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140 | if(protocol.startsWith("https")) { // server.protocol=https yet tomcat.port.https not provided
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141 | port = httpsPort = defHttpsPort; // use default https port to set
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142 | } else {
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143 | port = httpPort = defHttpPort;
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144 | }
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145 | }
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146 |
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147 | } else { //tomcat.port.<protocol> property matching server.protocol is set, not checking if it's an int and a valid port, though
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148 | errorCode = ALL_CORRECT;
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149 | // port is set
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150 |
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151 | if(protocol.startsWith("https")) {
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152 | httpsPort = port;
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153 | httpPort = props.getProperty("tomcat.port.http"); // httpPort will remain null if tomcat.port.http not set
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154 | } else { // protocol=http
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155 | httpPort = port;
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156 | httpsPort = props.getProperty("tomcat.port.https"); // httpsPort will remain null if tomcat.port.https not set
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157 | }
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158 | }
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159 | }
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160 | }
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161 |
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162 | if(errorCode == ALL_CORRECT) { // then check any assigned ports are valid
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163 | if(httpPort != null) {
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164 | try {
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165 | Integer.parseInt(httpPort);
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166 | } catch(NumberFormatException nfe) {
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167 | msg.append("\nInvalid port specified for over http: not numeric.");
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168 | if(port == httpPort) {
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169 | errorCode = INVALID_PRIMARY_PORT;
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170 | if(recover) {
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171 | port = httpPort = defHttpPort;
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172 | } else { // no recovery requested, so if port for protocol is non-numeric, consider it a 'fatal' error
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173 | port = httpPort = httpsPort = null;
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174 | }
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175 | } else { // secondary protocol's port is non-numeric, not fatal?
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176 | errorCode = SECONDARY_PORT_NON_NUMERIC;
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177 | if(recover) {
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178 | msg.append("\nNot using this port");
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179 | }
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180 | httpPort = null;
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181 | }
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182 | }
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183 | }
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184 |
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185 | if(httpsPort != null) {
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186 | try {
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187 | Integer.parseInt(httpsPort);
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188 | } catch(NumberFormatException nfe) {
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189 | msg.append("\nInvalid port specified for over https: not numeric.");
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190 | if(port == httpsPort) {
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191 | errorCode = INVALID_PRIMARY_PORT;
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192 | if(recover) {
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193 | port = httpsPort = defHttpsPort;
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194 | } else { // primary port affected and not asked to recover, treat as fatal
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195 | port = httpsPort = httpPort = null;
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196 | }
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197 | } else { // non primary port is invalid/non-numeric, not fatal
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198 | errorCode = SECONDARY_PORT_NON_NUMERIC;
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199 | if(recover) {
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200 | msg.append("\nNot using this port");
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201 | }
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202 | httpsPort = null;
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203 | }
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204 | }
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205 | }
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206 | }
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207 |
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208 |
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209 | if(recover) {
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210 | msg.append("\nFalling back to port ").append(port).append(" and protocol ").append(protocol).append(".");
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211 | }
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212 | // else if(errorCode == ALL_CORRECT) {
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213 | // msg.append("\nUsing port ").append(port).append(" and protocol ").append(protocol).append(".");
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214 | //} // else invalid property value(s) and we've not been asked to recover. msg alreay set.
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215 |
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216 | errorMsg = msg.toString();
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217 | }
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218 |
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219 | }
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