| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.common.net; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.annotations.GwtCompatible; |
| |
| /** |
| * Contains constant definitions for the HTTP header field names. See: |
| * |
| * <ul> |
| * <li><a href="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a> |
| * <li><a href="http://www.ietf.org/rfc/rfc2183.txt">RFC 2183</a> |
| * <li><a href="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616</a> |
| * <li><a href="http://www.ietf.org/rfc/rfc2965.txt">RFC 2965</a> |
| * <li><a href="http://www.ietf.org/rfc/rfc5988.txt">RFC 5988</a> |
| * </ul> |
| * |
| * |
| * @author Kurt Alfred Kluever |
| * @since 11.0 |
| */ |
| @GwtCompatible |
| public final class HttpHeaders { |
| private HttpHeaders() {} |
| |
| // HTTP Request and Response header fields |
| |
| /** The HTTP {@code Cache-Control} header field name. */ |
| public static final String CACHE_CONTROL = "Cache-Control"; |
| /** The HTTP {@code Content-Length} header field name. */ |
| public static final String CONTENT_LENGTH = "Content-Length"; |
| /** The HTTP {@code Content-Type} header field name. */ |
| public static final String CONTENT_TYPE = "Content-Type"; |
| /** The HTTP {@code Date} header field name. */ |
| public static final String DATE = "Date"; |
| /** The HTTP {@code Pragma} header field name. */ |
| public static final String PRAGMA = "Pragma"; |
| /** The HTTP {@code Via} header field name. */ |
| public static final String VIA = "Via"; |
| /** The HTTP {@code Warning} header field name. */ |
| public static final String WARNING = "Warning"; |
| |
| // HTTP Request header fields |
| |
| /** The HTTP {@code Accept} header field name. */ |
| public static final String ACCEPT = "Accept"; |
| /** The HTTP {@code Accept-Charset} header field name. */ |
| public static final String ACCEPT_CHARSET = "Accept-Charset"; |
| /** The HTTP {@code Accept-Encoding} header field name. */ |
| public static final String ACCEPT_ENCODING = "Accept-Encoding"; |
| /** The HTTP {@code Accept-Language} header field name. */ |
| public static final String ACCEPT_LANGUAGE = "Accept-Language"; |
| /** The HTTP {@code Access-Control-Request-Headers} header field name. */ |
| public static final String ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers"; |
| /** The HTTP {@code Access-Control-Request-Method} header field name. */ |
| public static final String ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method"; |
| /** The HTTP {@code Authorization} header field name. */ |
| public static final String AUTHORIZATION = "Authorization"; |
| /** The HTTP {@code Connection} header field name. */ |
| public static final String CONNECTION = "Connection"; |
| /** The HTTP {@code Cookie} header field name. */ |
| public static final String COOKIE = "Cookie"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/rfc8470">{@code Early-Data}</a> header field |
| * name. |
| * |
| * @since 27.0 |
| */ |
| public static final String EARLY_DATA = "Early-Data"; |
| /** The HTTP {@code Expect} header field name. */ |
| public static final String EXPECT = "Expect"; |
| /** The HTTP {@code From} header field name. */ |
| public static final String FROM = "From"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/rfc7239">{@code Forwarded}</a> header field name. |
| * |
| * @since 20.0 |
| */ |
| public static final String FORWARDED = "Forwarded"; |
| /** |
| * The HTTP {@code Follow-Only-When-Prerender-Shown} header field name. |
| * |
| * @since 17.0 |
| */ |
| @Beta |
| public static final String FOLLOW_ONLY_WHEN_PRERENDER_SHOWN = "Follow-Only-When-Prerender-Shown"; |
| /** The HTTP {@code Host} header field name. */ |
| public static final String HOST = "Host"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/rfc7540#section-3.2.1">{@code HTTP2-Settings} |
| * </a> header field name. |
| * |
| * @since 24.0 |
| */ |
| public static final String HTTP2_SETTINGS = "HTTP2-Settings"; |
| /** The HTTP {@code If-Match} header field name. */ |
| public static final String IF_MATCH = "If-Match"; |
| /** The HTTP {@code If-Modified-Since} header field name. */ |
| public static final String IF_MODIFIED_SINCE = "If-Modified-Since"; |
| /** The HTTP {@code If-None-Match} header field name. */ |
| public static final String IF_NONE_MATCH = "If-None-Match"; |
| /** The HTTP {@code If-Range} header field name. */ |
| public static final String IF_RANGE = "If-Range"; |
| /** The HTTP {@code If-Unmodified-Since} header field name. */ |
| public static final String IF_UNMODIFIED_SINCE = "If-Unmodified-Since"; |
| /** The HTTP {@code Last-Event-ID} header field name. */ |
| public static final String LAST_EVENT_ID = "Last-Event-ID"; |
| /** The HTTP {@code Max-Forwards} header field name. */ |
| public static final String MAX_FORWARDS = "Max-Forwards"; |
| /** The HTTP {@code Origin} header field name. */ |
| public static final String ORIGIN = "Origin"; |
| /** The HTTP {@code Proxy-Authorization} header field name. */ |
| public static final String PROXY_AUTHORIZATION = "Proxy-Authorization"; |
| /** The HTTP {@code Range} header field name. */ |
| public static final String RANGE = "Range"; |
| /** The HTTP {@code Referer} header field name. */ |
| public static final String REFERER = "Referer"; |
| /** |
| * The HTTP <a href="https://www.w3.org/TR/referrer-policy/">{@code Referrer-Policy}</a> header |
| * field name. |
| * |
| * @since 23.4 |
| */ |
| public static final String REFERRER_POLICY = "Referrer-Policy"; |
| |
| /** |
| * Values for the <a href="https://www.w3.org/TR/referrer-policy/">{@code Referrer-Policy}</a> |
| * header. |
| * |
| * @since 23.4 |
| */ |
| public static final class ReferrerPolicyValues { |
| private ReferrerPolicyValues() {} |
| |
| public static final String NO_REFERRER = "no-referrer"; |
| public static final String NO_REFFERER_WHEN_DOWNGRADE = "no-referrer-when-downgrade"; |
| public static final String SAME_ORIGIN = "same-origin"; |
| public static final String ORIGIN = "origin"; |
| public static final String STRICT_ORIGIN = "strict-origin"; |
| public static final String ORIGIN_WHEN_CROSS_ORIGIN = "origin-when-cross-origin"; |
| public static final String STRICT_ORIGIN_WHEN_CROSS_ORIGIN = "strict-origin-when-cross-origin"; |
| public static final String UNSAFE_URL = "unsafe-url"; |
| } |
| |
| /** |
| * The HTTP <a href="https://www.w3.org/TR/service-workers/#update-algorithm">{@code |
| * Service-Worker}</a> header field name. |
| */ |
| public static final String SERVICE_WORKER = "Service-Worker"; |
| /** The HTTP {@code TE} header field name. */ |
| public static final String TE = "TE"; |
| /** The HTTP {@code Upgrade} header field name. */ |
| public static final String UPGRADE = "Upgrade"; |
| /** The HTTP {@code User-Agent} header field name. */ |
| public static final String USER_AGENT = "User-Agent"; |
| |
| // HTTP Response header fields |
| |
| /** The HTTP {@code Accept-Ranges} header field name. */ |
| public static final String ACCEPT_RANGES = "Accept-Ranges"; |
| /** The HTTP {@code Access-Control-Allow-Headers} header field name. */ |
| public static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers"; |
| /** The HTTP {@code Access-Control-Allow-Methods} header field name. */ |
| public static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods"; |
| /** The HTTP {@code Access-Control-Allow-Origin} header field name. */ |
| public static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin"; |
| /** The HTTP {@code Access-Control-Allow-Credentials} header field name. */ |
| public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials"; |
| /** The HTTP {@code Access-Control-Expose-Headers} header field name. */ |
| public static final String ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers"; |
| /** The HTTP {@code Access-Control-Max-Age} header field name. */ |
| public static final String ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age"; |
| /** The HTTP {@code Age} header field name. */ |
| public static final String AGE = "Age"; |
| /** The HTTP {@code Allow} header field name. */ |
| public static final String ALLOW = "Allow"; |
| /** The HTTP {@code Content-Disposition} header field name. */ |
| public static final String CONTENT_DISPOSITION = "Content-Disposition"; |
| /** The HTTP {@code Content-Encoding} header field name. */ |
| public static final String CONTENT_ENCODING = "Content-Encoding"; |
| /** The HTTP {@code Content-Language} header field name. */ |
| public static final String CONTENT_LANGUAGE = "Content-Language"; |
| /** The HTTP {@code Content-Location} header field name. */ |
| public static final String CONTENT_LOCATION = "Content-Location"; |
| /** The HTTP {@code Content-MD5} header field name. */ |
| public static final String CONTENT_MD5 = "Content-MD5"; |
| /** The HTTP {@code Content-Range} header field name. */ |
| public static final String CONTENT_RANGE = "Content-Range"; |
| /** |
| * The HTTP <a href="http://w3.org/TR/CSP/#content-security-policy-header-field">{@code |
| * Content-Security-Policy}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| public static final String CONTENT_SECURITY_POLICY = "Content-Security-Policy"; |
| /** |
| * The HTTP <a href="http://w3.org/TR/CSP/#content-security-policy-report-only-header-field"> |
| * {@code Content-Security-Policy-Report-Only}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| public static final String CONTENT_SECURITY_POLICY_REPORT_ONLY = |
| "Content-Security-Policy-Report-Only"; |
| /** |
| * The HTTP nonstandard {@code X-Content-Security-Policy} header field name. It was introduced in |
| * <a href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the Firefox until |
| * version 23 and the Internet Explorer version 10. Please, use {@link #CONTENT_SECURITY_POLICY} |
| * to pass the CSP. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_CONTENT_SECURITY_POLICY = "X-Content-Security-Policy"; |
| /** |
| * The HTTP nonstandard {@code X-Content-Security-Policy-Report-Only} header field name. It was |
| * introduced in <a href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the |
| * Firefox until version 23 and the Internet Explorer version 10. Please, use {@link |
| * #CONTENT_SECURITY_POLICY_REPORT_ONLY} to pass the CSP. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_CONTENT_SECURITY_POLICY_REPORT_ONLY = |
| "X-Content-Security-Policy-Report-Only"; |
| /** |
| * The HTTP nonstandard {@code X-WebKit-CSP} header field name. It was introduced in <a |
| * href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the Chrome until |
| * version 25. Please, use {@link #CONTENT_SECURITY_POLICY} to pass the CSP. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_WEBKIT_CSP = "X-WebKit-CSP"; |
| /** |
| * The HTTP nonstandard {@code X-WebKit-CSP-Report-Only} header field name. It was introduced in |
| * <a href="https://www.w3.org/TR/2011/WD-CSP-20111129/">CSP v.1</a> and used by the Chrome until |
| * version 25. Please, use {@link #CONTENT_SECURITY_POLICY_REPORT_ONLY} to pass the CSP. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_WEBKIT_CSP_REPORT_ONLY = "X-WebKit-CSP-Report-Only"; |
| /** The HTTP {@code ETag} header field name. */ |
| public static final String ETAG = "ETag"; |
| /** The HTTP {@code Expires} header field name. */ |
| public static final String EXPIRES = "Expires"; |
| /** The HTTP {@code Last-Modified} header field name. */ |
| public static final String LAST_MODIFIED = "Last-Modified"; |
| /** The HTTP {@code Link} header field name. */ |
| public static final String LINK = "Link"; |
| /** The HTTP {@code Location} header field name. */ |
| public static final String LOCATION = "Location"; |
| /** |
| * The HTTP <a href="https://googlechrome.github.io/OriginTrials/#header">{@code Origin-Trial}</a> |
| * header field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String ORIGIN_TRIAL = "Origin-Trial"; |
| /** The HTTP {@code P3P} header field name. Limited browser support. */ |
| public static final String P3P = "P3P"; |
| /** The HTTP {@code Proxy-Authenticate} header field name. */ |
| public static final String PROXY_AUTHENTICATE = "Proxy-Authenticate"; |
| /** The HTTP {@code Refresh} header field name. Non-standard header supported by most browsers. */ |
| public static final String REFRESH = "Refresh"; |
| /** |
| * The HTTP <a href="https://www.w3.org/TR/reporting/">{@code Report-To}</a> header field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String REPORT_TO = "Report-To"; |
| /** The HTTP {@code Retry-After} header field name. */ |
| public static final String RETRY_AFTER = "Retry-After"; |
| /** The HTTP {@code Server} header field name. */ |
| public static final String SERVER = "Server"; |
| /** |
| * The HTTP <a href="https://www.w3.org/TR/server-timing/">{@code Server-Timing}</a> header field |
| * name. |
| * |
| * @since 23.6 |
| */ |
| public static final String SERVER_TIMING = "Server-Timing"; |
| /** |
| * The HTTP <a href="https://www.w3.org/TR/service-workers/#update-algorithm">{@code |
| * Service-Worker-Allowed}</a> header field name. |
| * |
| * @since 20.0 |
| */ |
| public static final String SERVICE_WORKER_ALLOWED = "Service-Worker-Allowed"; |
| /** The HTTP {@code Set-Cookie} header field name. */ |
| public static final String SET_COOKIE = "Set-Cookie"; |
| /** The HTTP {@code Set-Cookie2} header field name. */ |
| public static final String SET_COOKIE2 = "Set-Cookie2"; |
| |
| /** |
| * The HTTP <a href="http://goo.gl/Dxx19N">{@code SourceMap}</a> header field name. |
| * |
| * @since 27.1 |
| */ |
| @Beta public static final String SOURCE_MAP = "SourceMap"; |
| |
| /** |
| * The HTTP <a href="http://tools.ietf.org/html/rfc6797#section-6.1">{@code |
| * Strict-Transport-Security}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| public static final String STRICT_TRANSPORT_SECURITY = "Strict-Transport-Security"; |
| /** |
| * The HTTP <a href="http://www.w3.org/TR/resource-timing/#cross-origin-resources">{@code |
| * Timing-Allow-Origin}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| public static final String TIMING_ALLOW_ORIGIN = "Timing-Allow-Origin"; |
| /** The HTTP {@code Trailer} header field name. */ |
| public static final String TRAILER = "Trailer"; |
| /** The HTTP {@code Transfer-Encoding} header field name. */ |
| public static final String TRANSFER_ENCODING = "Transfer-Encoding"; |
| /** The HTTP {@code Vary} header field name. */ |
| public static final String VARY = "Vary"; |
| /** The HTTP {@code WWW-Authenticate} header field name. */ |
| public static final String WWW_AUTHENTICATE = "WWW-Authenticate"; |
| |
| // Common, non-standard HTTP header fields |
| |
| /** The HTTP {@code DNT} header field name. */ |
| public static final String DNT = "DNT"; |
| /** The HTTP {@code X-Content-Type-Options} header field name. */ |
| public static final String X_CONTENT_TYPE_OPTIONS = "X-Content-Type-Options"; |
| /** The HTTP {@code X-Do-Not-Track} header field name. */ |
| public static final String X_DO_NOT_TRACK = "X-Do-Not-Track"; |
| /** The HTTP {@code X-Forwarded-For} header field name (superseded by {@code Forwarded}). */ |
| public static final String X_FORWARDED_FOR = "X-Forwarded-For"; |
| /** The HTTP {@code X-Forwarded-Proto} header field name. */ |
| public static final String X_FORWARDED_PROTO = "X-Forwarded-Proto"; |
| /** |
| * The HTTP <a href="http://goo.gl/lQirAH">{@code X-Forwarded-Host}</a> header field name. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_FORWARDED_HOST = "X-Forwarded-Host"; |
| /** |
| * The HTTP <a href="http://goo.gl/YtV2at">{@code X-Forwarded-Port}</a> header field name. |
| * |
| * @since 20.0 |
| */ |
| public static final String X_FORWARDED_PORT = "X-Forwarded-Port"; |
| /** The HTTP {@code X-Frame-Options} header field name. */ |
| public static final String X_FRAME_OPTIONS = "X-Frame-Options"; |
| /** The HTTP {@code X-Powered-By} header field name. */ |
| public static final String X_POWERED_BY = "X-Powered-By"; |
| /** |
| * The HTTP <a href="http://tools.ietf.org/html/draft-evans-palmer-key-pinning">{@code |
| * Public-Key-Pins}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| @Beta public static final String PUBLIC_KEY_PINS = "Public-Key-Pins"; |
| /** |
| * The HTTP <a href="http://tools.ietf.org/html/draft-evans-palmer-key-pinning">{@code |
| * Public-Key-Pins-Report-Only}</a> header field name. |
| * |
| * @since 15.0 |
| */ |
| @Beta public static final String PUBLIC_KEY_PINS_REPORT_ONLY = "Public-Key-Pins-Report-Only"; |
| /** The HTTP {@code X-Requested-With} header field name. */ |
| public static final String X_REQUESTED_WITH = "X-Requested-With"; |
| /** The HTTP {@code X-User-IP} header field name. */ |
| public static final String X_USER_IP = "X-User-IP"; |
| /** |
| * The HTTP <a href="https://goo.gl/VKpXxa">{@code X-Download-Options}</a> header field name. |
| * |
| * <p>When the new X-Download-Options header is present with the value {@code noopen}, the user is |
| * prevented from opening a file download directly; instead, they must first save the file |
| * locally. |
| * |
| * @since 24.1 |
| */ |
| @Beta public static final String X_DOWNLOAD_OPTIONS = "X-Download-Options"; |
| /** The HTTP {@code X-XSS-Protection} header field name. */ |
| public static final String X_XSS_PROTECTION = "X-XSS-Protection"; |
| /** |
| * The HTTP <a |
| * href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control">{@code |
| * X-DNS-Prefetch-Control}</a> header controls DNS prefetch behavior. Value can be "on" or "off". |
| * By default, DNS prefetching is "on" for HTTP pages and "off" for HTTPS pages. |
| */ |
| public static final String X_DNS_PREFETCH_CONTROL = "X-DNS-Prefetch-Control"; |
| /** |
| * The HTTP <a href="http://html.spec.whatwg.org/multipage/semantics.html#hyperlink-auditing"> |
| * {@code Ping-From}</a> header field name. |
| * |
| * @since 19.0 |
| */ |
| public static final String PING_FROM = "Ping-From"; |
| /** |
| * The HTTP <a href="http://html.spec.whatwg.org/multipage/semantics.html#hyperlink-auditing"> |
| * {@code Ping-To}</a> header field name. |
| * |
| * @since 19.0 |
| */ |
| public static final String PING_TO = "Ping-To"; |
| |
| /** |
| * The HTTP <a href="https://mikewest.github.io/sec-metadata/">{@code Sec-Fetch-Dest}</a> header |
| * field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String SEC_FETCH_DEST = "Sec-Fetch-Dest"; |
| /** |
| * The HTTP <a href="https://mikewest.github.io/sec-metadata/">{@code Sec-Fetch-Mode}</a> header |
| * field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String SEC_FETCH_MODE = "Sec-Fetch-Mode"; |
| /** |
| * The HTTP <a href="https://mikewest.github.io/sec-metadata/">{@code Sec-Fetch-Site}</a> header |
| * field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String SEC_FETCH_SITE = "Sec-Fetch-Site"; |
| /** |
| * The HTTP <a href="https://mikewest.github.io/sec-metadata/">{@code Sec-Fetch-User}</a> header |
| * field name. |
| * |
| * @since 27.1 |
| */ |
| public static final String SEC_FETCH_USER = "Sec-Fetch-User"; |
| /** |
| * The HTTP <a href="https://mikewest.github.io/sec-metadata/">{@code Sec-Metadata}</a> header |
| * field name. |
| * |
| * @since 26.0 |
| */ |
| public static final String SEC_METADATA = "Sec-Metadata"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/draft-ietf-tokbind-https">{@code |
| * Sec-Token-Binding}</a> header field name. |
| * |
| * @since 25.1 |
| */ |
| public static final String SEC_TOKEN_BINDING = "Sec-Token-Binding"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/draft-ietf-tokbind-ttrp">{@code |
| * Sec-Provided-Token-Binding-ID}</a> header field name. |
| * |
| * @since 25.1 |
| */ |
| public static final String SEC_PROVIDED_TOKEN_BINDING_ID = "Sec-Provided-Token-Binding-ID"; |
| /** |
| * The HTTP <a href="https://tools.ietf.org/html/draft-ietf-tokbind-ttrp">{@code |
| * Sec-Referred-Token-Binding-ID}</a> header field name. |
| * |
| * @since 25.1 |
| */ |
| public static final String SEC_REFERRED_TOKEN_BINDING_ID = "Sec-Referred-Token-Binding-ID"; |
| } |