annotate src/org/eclipse/jetty/server/Authentication.java @ 808:b3176fd168bf

replace use of jetty.util.B64Code with java.util.Base64
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 08 Sep 2016 16:13:27 -0600
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children f8f7cb485c25
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.server;
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20
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21 import javax.servlet.ServletRequest;
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22 import javax.servlet.ServletResponse;
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23 import javax.servlet.http.HttpServletRequest;
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24 import javax.servlet.http.HttpServletResponse;
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25
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26
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27 /* ------------------------------------------------------------ */
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28 /** The Authentication state of a request.
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29 * <p>
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30 * The Authentication state can be one of several sub-types that
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31 * reflects where the request is in the many different authentication
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32 * cycles. Authentication might not yet be checked or it might be checked
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33 * and failed, checked and deferred or succeeded.
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34 *
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35 */
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36 public interface Authentication
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37 {
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38 /* ------------------------------------------------------------ */
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39 /** A successful Authentication with User information.
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40 */
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41 public interface User extends Authentication
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42 {
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43 String getAuthMethod();
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44 UserIdentity getUserIdentity();
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45 boolean isUserInRole(UserIdentity.Scope scope,String role);
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46 void logout();
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47 }
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48
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49 /* ------------------------------------------------------------ */
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50 /** A wrapped authentication with methods provide the
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51 * wrapped request/response for use by the application
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52 */
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53 public interface Wrapped extends Authentication
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54 {
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55 HttpServletRequest getHttpServletRequest();
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56 HttpServletResponse getHttpServletResponse();
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57 }
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58
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59 /* ------------------------------------------------------------ */
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60 /** A deferred authentication with methods to progress
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61 * the authentication process.
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62 */
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63 public interface Deferred extends Authentication
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64 {
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65 /* ------------------------------------------------------------ */
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66 /** Authenticate if possible without sending a challenge.
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67 * This is used to check credentials that have been sent for
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68 * non-manditory authentication.
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69 * @return The new Authentication state.
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70 */
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71 Authentication authenticate(ServletRequest request);
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72
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73 /* ------------------------------------------------------------ */
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74 /** Authenticate and possibly send a challenge.
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75 * This is used to initiate authentication for previously
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76 * non-manditory authentication.
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77 * @return The new Authentication state.
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78 */
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79 Authentication authenticate(ServletRequest request,ServletResponse response);
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80
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81
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82 /* ------------------------------------------------------------ */
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83 /** Login with the LOGIN authenticator
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84 * @param username
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85 * @param password
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86 * @return The new Authentication state
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87 */
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88 Authentication login(String username,Object password,ServletRequest request);
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89 }
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90
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91
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92 /* ------------------------------------------------------------ */
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93 /** Authentication Response sent state.
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94 * Responses are sent by authenticators either to issue an
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95 * authentication challenge or on successful authentication in
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96 * order to redirect the user to the original URL.
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97 */
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98 public interface ResponseSent extends Authentication
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99 {
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100 }
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101
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102 /* ------------------------------------------------------------ */
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103 /** An Authentication Challenge has been sent.
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104 */
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105 public interface Challenge extends ResponseSent
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106 {
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107 }
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108
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109 /* ------------------------------------------------------------ */
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110 /** An Authentication Failure has been sent.
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111 */
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112 public interface Failure extends ResponseSent
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113 {
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114 }
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115
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116 public interface SendSuccess extends ResponseSent
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117 {
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118 }
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119
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120 /* ------------------------------------------------------------ */
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121 /** Unauthenticated state.
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122 * <p>
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123 * This convenience instance is for non mandatory authentication where credentials
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124 * have been presented and checked, but failed authentication.
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125 */
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126 public final static Authentication UNAUTHENTICATED = new Authentication(){@Override
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127 public String toString(){return "UNAUTHENTICATED";}};
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128
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129 /* ------------------------------------------------------------ */
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130 /** Authentication not checked
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131 * <p>
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132 * This convenience instance us for non mandatory authentication when no
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133 * credentials are present to be checked.
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134 */
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135 public final static Authentication NOT_CHECKED = new Authentication(){@Override
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136 public String toString(){return "NOT CHECKED";}};
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137
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138 /* ------------------------------------------------------------ */
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139 /** Authentication challenge sent.
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140 * <p>
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141 * This convenience instance is for when an authentication challenge has been sent.
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142 */
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143 public final static Authentication SEND_CONTINUE = new Authentication.Challenge(){@Override
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144 public String toString(){return "CHALLENGE";}};
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145
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146 /* ------------------------------------------------------------ */
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147 /** Authentication failure sent.
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148 * <p>
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149 * This convenience instance is for when an authentication failure has been sent.
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150 */
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151 public final static Authentication SEND_FAILURE = new Authentication.Failure(){@Override
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152 public String toString(){return "FAILURE";}};
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153 public final static Authentication SEND_SUCCESS = new SendSuccess(){@Override
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154 public String toString(){return "SEND_SUCCESS";}};
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155 }