001/* 002 * Copyright (C) 2011 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.net; 018 019import com.google.common.annotations.Beta; 020import com.google.common.annotations.GwtCompatible; 021 022/** 023 * Contains constant definitions for the HTTP header field names. See: 024 * <ul> 025 * <li><a href="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a> 026 * <li><a href="http://www.ietf.org/rfc/rfc2183.txt">RFC 2183</a> 027 * <li><a href="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616</a> 028 * <li><a href="http://www.ietf.org/rfc/rfc2965.txt">RFC 2965</a> 029 * <li><a href="http://www.ietf.org/rfc/rfc5988.txt">RFC 5988</a> 030 * </ul> 031 * 032 * @author Kurt Alfred Kluever 033 * @since 11.0 034 */ 035@GwtCompatible 036public final class HttpHeaders { 037 private HttpHeaders() {} 038 039 // HTTP Request and Response header fields 040 041 /** The HTTP {@code Cache-Control} header field name. */ 042 public static final String CACHE_CONTROL = "Cache-Control"; 043 /** The HTTP {@code Content-Length} header field name. */ 044 public static final String CONTENT_LENGTH = "Content-Length"; 045 /** The HTTP {@code Content-Type} header field name. */ 046 public static final String CONTENT_TYPE = "Content-Type"; 047 /** The HTTP {@code Date} header field name. */ 048 public static final String DATE = "Date"; 049 /** The HTTP {@code Pragma} header field name. */ 050 public static final String PRAGMA = "Pragma"; 051 /** The HTTP {@code Via} header field name. */ 052 public static final String VIA = "Via"; 053 /** The HTTP {@code Warning} header field name. */ 054 public static final String WARNING = "Warning"; 055 056 // HTTP Request header fields 057 058 /** The HTTP {@code Accept} header field name. */ 059 public static final String ACCEPT = "Accept"; 060 /** The HTTP {@code Accept-Charset} header field name. */ 061 public static final String ACCEPT_CHARSET = "Accept-Charset"; 062 /** The HTTP {@code Accept-Encoding} header field name. */ 063 public static final String ACCEPT_ENCODING = "Accept-Encoding"; 064 /** The HTTP {@code Accept-Language} header field name. */ 065 public static final String ACCEPT_LANGUAGE = "Accept-Language"; 066 /** The HTTP {@code Access-Control-Request-Headers} header field name. */ 067 public static final String ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers"; 068 /** The HTTP {@code Access-Control-Request-Method} header field name. */ 069 public static final String ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method"; 070 /** The HTTP {@code Authorization} header field name. */ 071 public static final String AUTHORIZATION = "Authorization"; 072 /** The HTTP {@code Connection} header field name. */ 073 public static final String CONNECTION = "Connection"; 074 /** The HTTP {@code Cookie} header field name. */ 075 public static final String COOKIE = "Cookie"; 076 /** The HTTP {@code Expect} header field name. */ 077 public static final String EXPECT = "Expect"; 078 /** The HTTP {@code From} header field name. */ 079 public static final String FROM = "From"; 080 /** The HTTP {@code Host} header field name. */ 081 public static final String HOST = "Host"; 082 /** The HTTP {@code If-Match} header field name. */ 083 public static final String IF_MATCH = "If-Match"; 084 /** The HTTP {@code If-Modified-Since} header field name. */ 085 public static final String IF_MODIFIED_SINCE = "If-Modified-Since"; 086 /** The HTTP {@code If-None-Match} header field name. */ 087 public static final String IF_NONE_MATCH = "If-None-Match"; 088 /** The HTTP {@code If-Range} header field name. */ 089 public static final String IF_RANGE = "If-Range"; 090 /** The HTTP {@code If-Unmodified-Since} header field name. */ 091 public static final String IF_UNMODIFIED_SINCE = "If-Unmodified-Since"; 092 /** The HTTP {@code Last-Event-ID} header field name. */ 093 public static final String LAST_EVENT_ID = "Last-Event-ID"; 094 /** The HTTP {@code Max-Forwards} header field name. */ 095 public static final String MAX_FORWARDS = "Max-Forwards"; 096 /** The HTTP {@code Origin} header field name. */ 097 public static final String ORIGIN = "Origin"; 098 /** The HTTP {@code Proxy-Authorization} header field name. */ 099 public static final String PROXY_AUTHORIZATION = "Proxy-Authorization"; 100 /** The HTTP {@code Range} header field name. */ 101 public static final String RANGE = "Range"; 102 /** The HTTP {@code Referer} header field name. */ 103 public static final String REFERER = "Referer"; 104 /** The HTTP {@code TE} header field name. */ 105 public static final String TE = "TE"; 106 /** The HTTP {@code Upgrade} header field name. */ 107 public static final String UPGRADE = "Upgrade"; 108 /** The HTTP {@code User-Agent} header field name. */ 109 public static final String USER_AGENT = "User-Agent"; 110 111 // HTTP Response header fields 112 113 /** The HTTP {@code Accept-Ranges} header field name. */ 114 public static final String ACCEPT_RANGES = "Accept-Ranges"; 115 /** The HTTP {@code Access-Control-Allow-Headers} header field name. */ 116 public static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers"; 117 /** The HTTP {@code Access-Control-Allow-Methods} header field name. */ 118 public static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods"; 119 /** The HTTP {@code Access-Control-Allow-Origin} header field name. */ 120 public static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin"; 121 /** The HTTP {@code Access-Control-Allow-Credentials} header field name. */ 122 public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials"; 123 /** The HTTP {@code Access-Control-Expose-Headers} header field name. */ 124 public static final String ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers"; 125 /** The HTTP {@code Access-Control-Max-Age} header field name. */ 126 public static final String ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age"; 127 /** The HTTP {@code Age} header field name. */ 128 public static final String AGE = "Age"; 129 /** The HTTP {@code Allow} header field name. */ 130 public static final String ALLOW = "Allow"; 131 /** The HTTP {@code Content-Disposition} header field name. */ 132 public static final String CONTENT_DISPOSITION = "Content-Disposition"; 133 /** The HTTP {@code Content-Encoding} header field name. */ 134 public static final String CONTENT_ENCODING = "Content-Encoding"; 135 /** The HTTP {@code Content-Language} header field name. */ 136 public static final String CONTENT_LANGUAGE = "Content-Language"; 137 /** The HTTP {@code Content-Location} header field name. */ 138 public static final String CONTENT_LOCATION = "Content-Location"; 139 /** The HTTP {@code Content-MD5} header field name. */ 140 public static final String CONTENT_MD5 = "Content-MD5"; 141 /** The HTTP {@code Content-Range} header field name. */ 142 public static final String CONTENT_RANGE = "Content-Range"; 143 /** 144 * The HTTP <a href="http://w3.org/TR/CSP/#content-security-policy-header-field"> 145 * {@code Content-Security-Policy}</a> header field name. 146 * 147 * @since 15.0 148 */ 149 public static final String CONTENT_SECURITY_POLICY = "Content-Security-Policy"; 150 /** 151 * The HTTP <a href="http://w3.org/TR/CSP/#content-security-policy-report-only-header-field"> 152 * {@code Content-Security-Policy-Report-Only}</a> header field name. 153 * 154 * @since 15.0 155 */ 156 public static final String CONTENT_SECURITY_POLICY_REPORT_ONLY = 157 "Content-Security-Policy-Report-Only"; 158 /** The HTTP {@code ETag} header field name. */ 159 public static final String ETAG = "ETag"; 160 /** The HTTP {@code Expires} header field name. */ 161 public static final String EXPIRES = "Expires"; 162 /** The HTTP {@code Last-Modified} header field name. */ 163 public static final String LAST_MODIFIED = "Last-Modified"; 164 /** The HTTP {@code Link} header field name. */ 165 public static final String LINK = "Link"; 166 /** The HTTP {@code Location} header field name. */ 167 public static final String LOCATION = "Location"; 168 /** The HTTP {@code P3P} header field name. Limited browser support. */ 169 public static final String P3P = "P3P"; 170 /** The HTTP {@code Proxy-Authenticate} header field name. */ 171 public static final String PROXY_AUTHENTICATE = "Proxy-Authenticate"; 172 /** The HTTP {@code Refresh} header field name. Non-standard header supported by most browsers. */ 173 public static final String REFRESH = "Refresh"; 174 /** The HTTP {@code Retry-After} header field name. */ 175 public static final String RETRY_AFTER = "Retry-After"; 176 /** The HTTP {@code Server} header field name. */ 177 public static final String SERVER = "Server"; 178 /** The HTTP {@code Set-Cookie} header field name. */ 179 public static final String SET_COOKIE = "Set-Cookie"; 180 /** The HTTP {@code Set-Cookie2} header field name. */ 181 public static final String SET_COOKIE2 = "Set-Cookie2"; 182 /** 183 * The HTTP <a href="http://tools.ietf.org/html/rfc6797#section-6.1"> 184 * {@code Strict-Transport-Security}</a> header field name. 185 * 186 * @since 15.0 187 */ 188 public static final String STRICT_TRANSPORT_SECURITY = "Strict-Transport-Security"; 189 /** 190 * The HTTP <a href="http://www.w3.org/TR/resource-timing/#cross-origin-resources"> 191 * {@code Timing-Allow-Origin}</a> header field name. 192 * 193 * @since 15.0 194 */ 195 public static final String TIMING_ALLOW_ORIGIN = "Timing-Allow-Origin"; 196 /** The HTTP {@code Trailer} header field name. */ 197 public static final String TRAILER = "Trailer"; 198 /** The HTTP {@code Transfer-Encoding} header field name. */ 199 public static final String TRANSFER_ENCODING = "Transfer-Encoding"; 200 /** The HTTP {@code Vary} header field name. */ 201 public static final String VARY = "Vary"; 202 /** The HTTP {@code WWW-Authenticate} header field name. */ 203 public static final String WWW_AUTHENTICATE = "WWW-Authenticate"; 204 205 // Common, non-standard HTTP header fields 206 207 /** The HTTP {@code DNT} header field name. */ 208 public static final String DNT = "DNT"; 209 /** The HTTP {@code X-Content-Type-Options} header field name. */ 210 public static final String X_CONTENT_TYPE_OPTIONS = "X-Content-Type-Options"; 211 /** The HTTP {@code X-Do-Not-Track} header field name. */ 212 public static final String X_DO_NOT_TRACK = "X-Do-Not-Track"; 213 /** The HTTP {@code X-Forwarded-For} header field name. */ 214 public static final String X_FORWARDED_FOR = "X-Forwarded-For"; 215 /** The HTTP {@code X-Forwarded-Proto} header field name. */ 216 public static final String X_FORWARDED_PROTO = "X-Forwarded-Proto"; 217 /** The HTTP {@code X-Frame-Options} header field name. */ 218 public static final String X_FRAME_OPTIONS = "X-Frame-Options"; 219 /** The HTTP {@code X-Powered-By} header field name. */ 220 public static final String X_POWERED_BY = "X-Powered-By"; 221 /** 222 * The HTTP <a href="http://tools.ietf.org/html/draft-evans-palmer-key-pinning"> 223 * {@code Public-Key-Pins}</a> header field name. 224 * 225 * @since 15.0 226 */ 227 @Beta 228 public static final String PUBLIC_KEY_PINS = "Public-Key-Pins"; 229 /** 230 * The HTTP <a href="http://tools.ietf.org/html/draft-evans-palmer-key-pinning"> 231 * {@code Public-Key-Pins-Report-Only}</a> header field name. 232 * 233 * @since 15.0 234 */ 235 @Beta 236 public static final String PUBLIC_KEY_PINS_REPORT_ONLY = "Public-Key-Pins-Report-Only"; 237 /** The HTTP {@code X-Requested-With} header field name. */ 238 public static final String X_REQUESTED_WITH = "X-Requested-With"; 239 /** The HTTP {@code X-User-IP} header field name. */ 240 public static final String X_USER_IP = "X-User-IP"; 241 /** The HTTP {@code X-XSS-Protection} header field name. */ 242 public static final String X_XSS_PROTECTION = "X-XSS-Protection"; 243}