001package ca.uhn.fhir.rest.api;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2019 University Health Network
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import java.nio.charset.Charset;
024import java.util.*;
025
026public class Constants {
027
028        public static final String HEADER_REQUEST_ID = "X-Request-ID";
029        public static final String CACHE_CONTROL_MAX_RESULTS = "max-results";
030        public static final String CACHE_CONTROL_NO_CACHE = "no-cache";
031        public static final String CACHE_CONTROL_NO_STORE = "no-store";
032        public static final String CHARSET_NAME_UTF8 = "UTF-8";
033        public static final Charset CHARSET_UTF8;
034        public static final String CHARSET_UTF8_CTSUFFIX = "; charset=" + CHARSET_NAME_UTF8;
035        /**
036         * Contains a standard set of headers which are used by FHIR / HAPI FHIR, and therefore
037         * would make a useful set for CORS AllowedHeader declarations
038         */
039        public static final Set<String> CORS_ALLOWED_HEADERS;
040        /**
041         * Contains a standard set of HTTP Methods which are used by FHIR / HAPI FHIR, and therefore
042         * would make a useful set for CORS AllowedMethod declarations
043         */
044        public static final Set<String> CORS_ALLWED_METHODS;
045        public static final String CT_FHIR_JSON = "application/json+fhir";
046        public static final String CT_RDF_TURTLE = "application/x-turtle";
047        /**
048         * The FHIR MimeType for JSON encoding in FHIR DSTU3+
049         */
050        public static final String CT_FHIR_JSON_NEW = "application/fhir+json";
051        public static final String CT_FHIR_XML = "application/xml+fhir";
052        /**
053         * The FHIR MimeType for XML encoding in FHIR DSTU3+
054         */
055        public static final String CT_FHIR_XML_NEW = "application/fhir+xml";
056        public static final String CT_HTML = "text/html";
057        public static final String CT_HTML_WITH_UTF8 = "text/html" + CHARSET_UTF8_CTSUFFIX;
058        public static final String CT_JSON = "application/json";
059        public static final String CT_JSON_PATCH = "application/json-patch+json";
060        public static final String CT_OCTET_STREAM = "application/octet-stream";
061        public static final String CT_TEXT = "text/plain";
062        public static final String CT_TEXT_WITH_UTF8 = CT_TEXT + CHARSET_UTF8_CTSUFFIX;
063        public static final String CT_X_FORM_URLENCODED = "application/x-www-form-urlencoded";
064        public static final String CT_XML = "application/xml";
065        public static final String CT_XML_PATCH = "application/xml-patch+xml";
066        public static final String ENCODING_GZIP = "gzip";
067        public static final String EXTOP_PROCESS_MESSAGE = "$process-message"; //Used in messaging
068        public static final String EXTOP_VALIDATE = "$validate";
069        public static final String EXTOP_VALIDATE_MODE = "mode";
070        public static final String EXTOP_VALIDATE_PROFILE = "profile";
071        public static final String EXTOP_VALIDATE_RESOURCE = "resource";
072        public static final String FORMAT_HTML = "html";
073        public static final String FORMAT_JSON = "json";
074        public static final String FORMAT_XML = "xml";
075        public static final String FORMAT_TURTLE = "text/turtle";
076
077
078        /**
079         * "text/html" and "html"
080         */
081        public static final Set<String> FORMATS_HTML;
082        public static final String FORMATS_HTML_JSON = "html/json";
083        public static final String FORMATS_HTML_XML = "html/xml";
084        public static final String HEADER_ACCEPT = "Accept";
085        public static final String HEADER_ACCEPT_ENCODING = "Accept-Encoding";
086        public static final String HEADER_ACCEPT_VALUE_JSON_NON_LEGACY = CT_FHIR_JSON_NEW + ";q=1.0, " + CT_FHIR_JSON + ";q=0.9";
087        public static final String HEADER_ACCEPT_VALUE_XML_NON_LEGACY = CT_FHIR_XML_NEW + ";q=1.0, " + CT_FHIR_XML + ";q=0.9";
088        public static final String HEADER_ACCEPT_VALUE_XML_OR_JSON_LEGACY = CT_FHIR_XML + ";q=1.0, " + CT_FHIR_JSON + ";q=1.0";
089        public static final String HEADER_ACCEPT_VALUE_XML_OR_JSON_NON_LEGACY = CT_FHIR_XML_NEW + ";q=1.0, " + CT_FHIR_JSON_NEW + ";q=1.0, " + HEADER_ACCEPT_VALUE_XML_OR_JSON_LEGACY.replace("1.0", "0.9");
090        public static final String HEADER_ALLOW = "Allow";
091        public static final String HEADER_AUTHORIZATION = "Authorization";
092        public static final String HEADER_AUTHORIZATION_VALPREFIX_BASIC = "Basic ";
093        public static final String HEADER_AUTHORIZATION_VALPREFIX_BEARER = "Bearer ";
094        public static final String HEADER_CACHE_CONTROL = "Cache-Control";
095        public static final String HEADER_CONTENT_DISPOSITION = "Content-Disposition";
096        public static final String HEADER_CONTENT_ENCODING = "Content-Encoding";
097        public static final String HEADER_CONTENT_LOCATION = "Content-Location";
098        public static final String HEADER_CONTENT_LOCATION_LC = HEADER_CONTENT_LOCATION.toLowerCase();
099        public static final String HEADER_CONTENT_TYPE = "Content-Type";
100        public static final String HEADER_CONTENT_TYPE_LC = HEADER_CONTENT_TYPE.toLowerCase();
101        public static final String HEADER_COOKIE = "Cookie";
102        public static final String HEADER_CORS_ALLOW_METHODS = "Access-Control-Allow-Methods";
103        public static final String HEADER_CORS_ALLOW_ORIGIN = "Access-Control-Allow-Origin";
104        public static final String HEADER_CORS_EXPOSE_HEADERS = "Access-Control-Expose-Headers";
105        public static final String HEADER_ETAG = "ETag";
106        public static final String HEADER_ETAG_LC = HEADER_ETAG.toLowerCase();
107        public static final String HEADER_IF_MATCH = "If-Match";
108        public static final String HEADER_IF_MATCH_LC = HEADER_IF_MATCH.toLowerCase();
109        public static final String HEADER_IF_MODIFIED_SINCE = "If-Modified-Since";
110        public static final String HEADER_IF_MODIFIED_SINCE_LC = HEADER_IF_MODIFIED_SINCE.toLowerCase();
111        public static final String HEADER_IF_NONE_EXIST = "If-None-Exist";
112        public static final String HEADER_IF_NONE_EXIST_LC = HEADER_IF_NONE_EXIST.toLowerCase();
113        public static final String HEADER_IF_NONE_MATCH = "If-None-Match";
114        public static final String HEADER_IF_NONE_MATCH_LC = HEADER_IF_NONE_MATCH.toLowerCase();
115        public static final String HEADER_LAST_MODIFIED = "Last-Modified";
116        public static final String HEADER_LAST_MODIFIED_LOWERCASE = HEADER_LAST_MODIFIED.toLowerCase();
117        public static final String HEADER_LOCATION = "Location";
118        public static final String HEADER_LOCATION_LC = HEADER_LOCATION.toLowerCase();
119        public static final String HEADER_ORIGIN = "Origin";
120        public static final String HEADER_PREFER = "Prefer";
121        public static final String HEADER_PREFER_RETURN = "return";
122        public static final String HEADER_PREFER_RETURN_MINIMAL = "minimal";
123        public static final String HEADER_PREFER_RETURN_REPRESENTATION = "representation";
124        public static final String HEADER_PREFER_RETURN_OPERATION_OUTCOME = "OperationOutcome";
125        public static final String HEADER_SUFFIX_CT_UTF_8 = "; charset=UTF-8";
126        public static final String HEADERVALUE_CORS_ALLOW_METHODS_ALL = "GET, POST, PUT, DELETE, OPTIONS";
127        public static final Map<Integer, String> HTTP_STATUS_NAMES;
128        public static final String LINK_FHIR_BASE = "fhir-base";
129        public static final String LINK_FIRST = "first";
130        public static final String LINK_LAST = "last";
131        public static final String LINK_NEXT = "next";
132        public static final String LINK_PREVIOUS = "previous";
133        public static final String LINK_SELF = "self";
134        public static final String OPENSEARCH_NS_OLDER = "http://purl.org/atompub/tombstones/1.0";
135        public static final String PARAM_ASYNC = "async"; //Used in messaging
136        public static final String PARAM_AT = "_at";
137        /**
138         * Used in paging links
139         */
140        public static final String PARAM_BUNDLETYPE = "_bundletype";
141        public static final String PARAM_FILTER = "_filter";
142        public static final String PARAM_CONTENT = "_content";
143        public static final String PARAM_COUNT = "_count";
144        public static final String PARAM_DELETE = "_delete";
145        public static final String PARAM_ELEMENTS = "_elements";
146        public static final String PARAM_ELEMENTS_EXCLUDE_MODIFIER = ":exclude";
147        public static final String PARAM_FORMAT = "_format";
148        public static final String PARAM_HAS = "_has";
149        public static final String PARAM_HISTORY = "_history";
150        public static final String PARAM_INCLUDE = "_include";
151        public static final String PARAM_INCLUDE_QUALIFIER_RECURSE = ":recurse";
152        public static final String PARAM_INCLUDE_RECURSE = "_include" + PARAM_INCLUDE_QUALIFIER_RECURSE;
153        public static final String PARAM_LASTUPDATED = "_lastUpdated";
154        public static final String PARAM_NARRATIVE = "_narrative";
155        public static final String PARAM_PAGINGACTION = "_getpages";
156        public static final String PARAM_PAGINGOFFSET = "_getpagesoffset";
157        public static final String PARAM_PRETTY = "_pretty";
158        public static final String PARAM_PRETTY_VALUE_FALSE = "false";
159        public static final String PARAM_PRETTY_VALUE_TRUE = "true";
160        public static final String PARAM_PROFILE = "_profile";
161        public static final String PARAM_QUERY = "_query";
162        public static final String PARAM_RESPONSE_URL = "response-url"; //Used in messaging
163        public static final String PARAM_REVINCLUDE = "_revinclude";
164        public static final String PARAM_REVINCLUDE_RECURSE = PARAM_REVINCLUDE + PARAM_INCLUDE_QUALIFIER_RECURSE;
165        public static final String PARAM_SEARCH = "_search";
166        public static final String PARAM_SECURITY = "_security";
167        public static final String PARAM_SINCE = "_since";
168        public static final String PARAM_SORT = "_sort";
169        public static final String PARAM_SORT_ASC = "_sort:asc";
170        public static final String PARAM_SORT_DESC = "_sort:desc";
171        public static final String PARAM_SUMMARY = "_summary";
172        public static final String PARAM_TAG = "_tag";
173        public static final String PARAM_TAGS = "_tags";
174        public static final String PARAM_TEXT = "_text";
175        public static final String PARAM_VALIDATE = "_validate";
176        public static final String PARAMQUALIFIER_MISSING = ":missing";
177        public static final String PARAMQUALIFIER_MISSING_FALSE = "false";
178        public static final String PARAMQUALIFIER_MISSING_TRUE = "true";
179        public static final String PARAMQUALIFIER_STRING_CONTAINS = ":contains";
180        public static final String PARAMQUALIFIER_STRING_EXACT = ":exact";
181        public static final String PARAMQUALIFIER_TOKEN_TEXT = ":text";
182        public static final int STATUS_HTTP_200_OK = 200;
183        public static final int STATUS_HTTP_201_CREATED = 201;
184        public static final int STATUS_HTTP_204_NO_CONTENT = 204;
185        public static final int STATUS_HTTP_304_NOT_MODIFIED = 304;
186        public static final int STATUS_HTTP_400_BAD_REQUEST = 400;
187        public static final int STATUS_HTTP_401_CLIENT_UNAUTHORIZED = 401;
188        public static final int STATUS_HTTP_403_FORBIDDEN = 403;
189
190        public static final int STATUS_HTTP_404_NOT_FOUND = 404;
191        public static final int STATUS_HTTP_405_METHOD_NOT_ALLOWED = 405;
192        public static final int STATUS_HTTP_409_CONFLICT = 409;
193        public static final int STATUS_HTTP_410_GONE = 410;
194        public static final int STATUS_HTTP_412_PRECONDITION_FAILED = 412;
195        public static final int STATUS_HTTP_422_UNPROCESSABLE_ENTITY = 422;
196        public static final int STATUS_HTTP_500_INTERNAL_ERROR = 500;
197        public static final int STATUS_HTTP_501_NOT_IMPLEMENTED = 501;
198        public static final String TAG_SUBSETTED_CODE = "SUBSETTED";
199        public static final String TAG_SUBSETTED_SYSTEM_DSTU3 = "http://hl7.org/fhir/v3/ObservationValue";
200        public static final String TAG_SUBSETTED_SYSTEM_R4 = "http://terminology.hl7.org/CodeSystem/v3-ObservationValue";
201        public static final String URL_TOKEN_HISTORY = "_history";
202        public static final String URL_TOKEN_METADATA = "metadata";
203        public static final String OO_INFOSTATUS_PROCESSING = "processing";
204        public static final String PARAM_GRAPHQL_QUERY = "query";
205        public static final String HEADER_X_CACHE = "X-Cache";
206        public static final String HEADER_X_SECURITY_CONTEXT = "X-Security-Context";
207        public static final String POWERED_BY_HEADER = "X-Powered-By";
208        public static final Charset CHARSET_US_ASCII;
209        public static final String PARAM_PAGEID = "_pageId";
210        /**
211         * This is provided for testing only! Use with caution as this property may change.
212         */
213        public static final String TEST_SYSTEM_PROP_VALIDATION_RESOURCE_CACHES_MS = "TEST_SYSTEM_PROP_VALIDATION_RESOURCE_CACHES_MS";
214        public static final String PARAM_SEARCH_TOTAL_MODE = "_total";
215        public static final String CAPABILITYSTATEMENT_WEBSOCKET_URL = "http://hl7.org/fhir/StructureDefinition/capabilitystatement-websocket";
216        public static final String PARAMETER_CASCADE_DELETE = "_cascade";
217        public static final String HEADER_CASCADE = "X-Cascade";
218        public static final String CASCADE_DELETE = "delete";
219        public static final int MAX_RESOURCE_NAME_LENGTH = 100;
220        public static final String CACHE_CONTROL_PRIVATE = "private";
221        public static final int STATUS_HTTP_412_PAYLOAD_TOO_LARGE = 413;
222        public static final String OPERATION_NAME_GRAPHQL = "$graphql";
223
224        static {
225                CHARSET_UTF8 = Charset.forName(CHARSET_NAME_UTF8);
226                CHARSET_US_ASCII = Charset.forName("ISO-8859-1");
227
228                HashMap<Integer, String> statusNames = new HashMap<>();
229                statusNames.put(200, "OK");
230                statusNames.put(201, "Created");
231                statusNames.put(202, "Accepted");
232                statusNames.put(203, "Non-Authoritative Information");
233                statusNames.put(204, "No Content");
234                statusNames.put(205, "Reset Content");
235                statusNames.put(206, "Partial Content");
236                statusNames.put(207, "Multi-Status");
237                statusNames.put(208, "Already Reported");
238                statusNames.put(226, "IM Used");
239                statusNames.put(300, "Multiple Choices");
240                statusNames.put(301, "Moved Permanently");
241                statusNames.put(302, "Found");
242                statusNames.put(302, "Moved Temporarily");
243                statusNames.put(303, "See Other");
244                statusNames.put(304, "Not Modified");
245                statusNames.put(305, "Use Proxy");
246                statusNames.put(307, "Temporary Redirect");
247                statusNames.put(308, "Permanent Redirect");
248                statusNames.put(400, "Bad Request");
249                statusNames.put(401, "Unauthorized");
250                statusNames.put(402, "Payment Required");
251                statusNames.put(403, "Forbidden");
252                statusNames.put(404, "Not Found");
253                statusNames.put(405, "Method Not Allowed");
254                statusNames.put(406, "Not Acceptable");
255                statusNames.put(407, "Proxy Authentication Required");
256                statusNames.put(408, "Request Timeout");
257                statusNames.put(409, "Conflict");
258                statusNames.put(410, "Gone");
259                statusNames.put(411, "Length Required");
260                statusNames.put(412, "Precondition Failed");
261                statusNames.put(413, "Payload Too Large");
262                statusNames.put(413, "Request Entity Too Large");
263                statusNames.put(414, "URI Too Long");
264                statusNames.put(414, "Request-URI Too Long");
265                statusNames.put(415, "Unsupported Media Type");
266                statusNames.put(416, "Requested range not satisfiable");
267                statusNames.put(417, "Expectation Failed");
268                statusNames.put(418, "I'm a teapot");
269                statusNames.put(419, "Insufficient Space On Resource");
270                statusNames.put(420, "Method Failure");
271                statusNames.put(421, "Destination Locked");
272                statusNames.put(422, "Unprocessable Entity");
273                statusNames.put(423, "Locked");
274                statusNames.put(424, "Failed Dependency");
275                statusNames.put(426, "Upgrade Required");
276                statusNames.put(428, "Precondition Required");
277                statusNames.put(429, "Too Many Requests");
278                statusNames.put(431, "Request Header Fields Too Large");
279                statusNames.put(500, "Internal Server Error");
280                statusNames.put(501, "Not Implemented");
281                statusNames.put(502, "Bad Gateway");
282                statusNames.put(503, "Service Unavailable");
283                statusNames.put(504, "Gateway Timeout");
284                statusNames.put(505, "HTTP Version not supported");
285                statusNames.put(506, "Variant Also Negotiates");
286                statusNames.put(507, "Insufficient Storage");
287                statusNames.put(508, "Loop Detected");
288                statusNames.put(509, "Bandwidth Limit Exceeded");
289                statusNames.put(510, "Not Extended");
290                statusNames.put(511, "Network Authentication Required");
291                HTTP_STATUS_NAMES = Collections.unmodifiableMap(statusNames);
292
293                Set<String> formatsHtml = new HashSet<>();
294                formatsHtml.add(CT_HTML);
295                formatsHtml.add(FORMAT_HTML);
296                FORMATS_HTML = Collections.unmodifiableSet(formatsHtml);
297
298                // *********************************************************
299                // Update CorsInterceptor's constructor documentation if you change these:
300                // *********************************************************
301                HashSet<String> corsAllowedHeaders = new HashSet<>();
302                corsAllowedHeaders.add("Accept");
303                corsAllowedHeaders.add("Access-Control-Request-Headers");
304                corsAllowedHeaders.add("Access-Control-Request-Method");
305                corsAllowedHeaders.add("Cache-Control");
306                corsAllowedHeaders.add("Content-Type");
307                corsAllowedHeaders.add("Origin");
308                corsAllowedHeaders.add("Prefer");
309                corsAllowedHeaders.add("X-FHIR-Starter");
310                corsAllowedHeaders.add("X-Requested-With");
311                CORS_ALLOWED_HEADERS = Collections.unmodifiableSet(corsAllowedHeaders);
312
313                // *********************************************************
314                // Update CorsInterceptor's constructor documentation if you change these:
315                // *********************************************************
316                HashSet<String> corsAllowedMethods = new HashSet<>();
317                corsAllowedMethods.addAll(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"));
318                CORS_ALLWED_METHODS = Collections.unmodifiableSet(corsAllowedMethods);
319        }
320
321}