org.glassfish.jersey.server.ContainerRequest Maven / Gradle / Ivy
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package org.glassfish.jersey.server;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URI;
import java.text.ParseException;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.Variant;
import org.glassfish.jersey.internal.PropertiesDelegate;
import org.glassfish.jersey.internal.util.collection.Ref;
import org.glassfish.jersey.internal.util.collection.Refs;
import org.glassfish.jersey.message.internal.AcceptableLanguageTag;
import org.glassfish.jersey.message.internal.AcceptableMediaType;
import org.glassfish.jersey.message.internal.HttpHeaderReader;
import org.glassfish.jersey.message.internal.InboundMessageContext;
import org.glassfish.jersey.message.internal.MatchingEntityTag;
import org.glassfish.jersey.message.internal.TracingAwarePropertiesDelegate;
import org.glassfish.jersey.message.internal.VariantSelector;
import org.glassfish.jersey.server.internal.LocalizationMessages;
import org.glassfish.jersey.server.internal.monitoring.EmptyRequestEventBuilder;
import org.glassfish.jersey.server.internal.monitoring.RequestEventBuilder;
import org.glassfish.jersey.server.internal.routing.UriRoutingContext;
import org.glassfish.jersey.server.monitoring.RequestEvent;
import org.glassfish.jersey.server.monitoring.RequestEventListener;
import org.glassfish.jersey.server.spi.ContainerResponseWriter;
import org.glassfish.jersey.server.spi.RequestScopedInitializer;
import org.glassfish.jersey.uri.UriComponent;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
/**
* Jersey container request context.
*
* An instance of the request context is passed by the container to the
* {@link ApplicationHandler} for each incoming client request.
*
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public class ContainerRequest extends InboundMessageContext
implements ContainerRequestContext, Request, HttpHeaders, PropertiesDelegate {
private static URI DEFAULT_BASE_URI = URI.create("/");
private static URI normalizeBaseUri(URI baseUri) {
return baseUri.normalize();
}
// Request-scoped properties delegate
private final PropertiesDelegate propertiesDelegate;
// Absolute application root URI (base URI)
private URI baseUri;
// Absolute request URI
private URI requestUri;
// Lazily computed encoded request path (relative to application root URI)
private String encodedRelativePath = null;
// Lazily computed decoded request path (relative to application root URI)
private String decodedRelativePath = null;
// Request method
private String httpMethod;
// Request security context
private SecurityContext securityContext;
// Request filter chain execution aborting response
private Response abortResponse;
// Vary header value to be set in the response
private String varyValue;
// UriInfo reference
private UriRoutingContext uriRoutingContext;
// Custom Jersey container request scoped initializer
private RequestScopedInitializer requestScopedInitializer;
// Request-scoped response writer of the invoking container
private ContainerResponseWriter responseWriter;
// True if the request is used in the response processing phase (for example in ContainerResponseFilter)
private boolean inResponseProcessingPhase;
// Event listener registered to this request.
private RequestEventListener requestEventListener = null;
private RequestEventBuilder requestEventBuilder = EmptyRequestEventBuilder.EMPTY_EVENT_BUILDER;
/**
* Create new Jersey container request context.
*
* @param baseUri base application URI.
* @param requestUri request URI.
* @param httpMethod request HTTP method name.
* @param securityContext security context of the current request. Must not be {@code null}.
* The {@link SecurityContext#getUserPrincipal()} must return
* {@code null} if the current request has not been authenticated
* by the container.
* @param propertiesDelegate custom {@link PropertiesDelegate properties delegate}
* to be used by the context.
*/
public ContainerRequest(
URI baseUri,
URI requestUri,
String httpMethod,
SecurityContext securityContext,
PropertiesDelegate propertiesDelegate) {
super(true);
this.baseUri = baseUri == null ? DEFAULT_BASE_URI : normalizeBaseUri(baseUri);
this.requestUri = requestUri;
this.httpMethod = httpMethod;
this.securityContext = securityContext;
this.propertiesDelegate = new TracingAwarePropertiesDelegate(propertiesDelegate);
}
/**
* Get a custom container extensions initializer for the current request.
*
* The initializer is guaranteed to be run from within the request scope of
* the current request.
*
* @return custom container extensions initializer or {@code null} if not
* available.
*/
public RequestScopedInitializer getRequestScopedInitializer() {
return requestScopedInitializer;
}
/**
* Set a custom container extensions initializer for the current request.
*
* The initializer is guaranteed to be run from within the request scope of
* the current request.
*
* @param requestScopedInitializer custom container extensions initializer.
*/
public void setRequestScopedInitializer(RequestScopedInitializer requestScopedInitializer) {
this.requestScopedInitializer = requestScopedInitializer;
}
/**
* Get the container response writer for the current request.
*
* @return container response writer.
*/
public ContainerResponseWriter getResponseWriter() {
return responseWriter;
}
/**
* Set the container response writer for the current request.
*
* @param responseWriter container response writer. Must not be {@code null}.
*/
public void setWriter(ContainerResponseWriter responseWriter) {
this.responseWriter = responseWriter;
}
/**
* Read entity from a context entity input stream.
*
* @param entity Java object type.
* @param rawType raw Java entity type.
* @return entity read from a context entity input stream.
*/
public T readEntity(Class rawType) {
return readEntity(rawType, propertiesDelegate);
}
/**
* Read entity from a context entity input stream.
*
* @param entity Java object type.
* @param rawType raw Java entity type.
* @param annotations entity annotations.
* @return entity read from a context entity input stream.
*/
public T readEntity(Class rawType, Annotation[] annotations) {
return super.readEntity(rawType, annotations, propertiesDelegate);
}
/**
* Read entity from a context entity input stream.
*
* @param entity Java object type.
* @param rawType raw Java entity type.
* @param type generic Java entity type.
* @return entity read from a context entity input stream.
*/
public T readEntity(Class rawType, Type type) {
return super.readEntity(rawType, type, propertiesDelegate);
}
/**
* Read entity from a context entity input stream.
*
* @param entity Java object type.
* @param rawType raw Java entity type.
* @param type generic Java entity type.
* @param annotations entity annotations.
* @return entity read from a context entity input stream.
*/
public T readEntity(Class rawType, Type type, Annotation[] annotations) {
return super.readEntity(rawType, type, annotations, propertiesDelegate);
}
@Override
public Object getProperty(String name) {
return propertiesDelegate.getProperty(name);
}
@Override
public Collection getPropertyNames() {
return propertiesDelegate.getPropertyNames();
}
@Override
public void setProperty(String name, Object object) {
propertiesDelegate.setProperty(name, object);
}
@Override
public void removeProperty(String name) {
propertiesDelegate.removeProperty(name);
}
/**
* Get the underlying properties delegate.
*
* @return underlying properties delegate.
*/
public PropertiesDelegate getPropertiesDelegate() {
return propertiesDelegate;
}
@Override
public ExtendedUriInfo getUriInfo() {
return uriRoutingContext;
}
/**
* Set the request scoped {@link UriRoutingContext} instance.
*
* @param uriRoutingContext request scoped {@code UriRoutingContext} instance.
*/
void setUriRoutingContext(UriRoutingContext uriRoutingContext) {
this.uriRoutingContext = uriRoutingContext;
}
/**
* Get base request URI.
*
* @return base request URI.
*/
public URI getBaseUri() {
return baseUri;
}
/**
* Get request URI.
*
* @return request URI.
*/
public URI getRequestUri() {
return requestUri;
}
@Override
public void setRequestUri(URI requestUri) throws IllegalStateException {
if (!uriRoutingContext.getMatchedURIs().isEmpty()) {
throw new IllegalStateException("Method could be called only in pre-matching request filter.");
}
this.encodedRelativePath = null;
this.decodedRelativePath = null;
this.uriRoutingContext.invalidateUriComponentViews();
this.requestUri = requestUri;
}
@Override
public void setRequestUri(URI baseUri, URI requestUri) throws IllegalStateException {
if (!uriRoutingContext.getMatchedURIs().isEmpty()) {
throw new IllegalStateException("Method could be called only in pre-matching request filter.");
}
this.encodedRelativePath = null;
this.decodedRelativePath = null;
this.uriRoutingContext.invalidateUriComponentViews();
this.baseUri = baseUri;
this.requestUri = requestUri;
}
/**
* Get the path of the current request relative to the application root (base)
* URI as a string.
*
* @param decode controls whether sequences of escaped octets are decoded
* ({@code true}) or not ({@code false}).
* @return relative request path.
*/
public String getPath(boolean decode) {
if (decode) {
if (decodedRelativePath != null) {
return decodedRelativePath;
}
return decodedRelativePath = UriComponent.decode(encodedRelativePath(), UriComponent.Type.PATH);
} else {
return encodedRelativePath();
}
}
private String encodedRelativePath() {
if (encodedRelativePath != null) {
return encodedRelativePath;
}
String result;
String requestUriRawPath = getRequestUriRawPath();
if (baseUri == null) {
result = requestUriRawPath;
} else {
final String applicationRootUriRawPath = baseUri.getRawPath();
if (applicationRootUriRawPath.length() > requestUriRawPath.length()) {
result = "";
} else {
result = requestUriRawPath.substring(applicationRootUriRawPath.length());
}
}
if (result.isEmpty()) {
result = "/";
}
return encodedRelativePath = (result.charAt(0) == '/') ? result : '/' + result;
}
/**
* Return semi-normalized {@link URI} raw path of the request. If path contains another absolute {@code URI}
* (with {@code ://}) then part before this {@code URI} is normalized and the {@code URI} is appended to this path as is.
* Otherwise the whole path is normalized.
*
* This method make sure that if a {@code URI} is supposed to be a {@link javax.ws.rs.PathParam path parameter} value that
* it's not corrupted by normalization.
*
* @return raw path of the request {@code URI}.
*/
private String getRequestUriRawPath() {
final String rawPath = requestUri.getRawPath();
final StringBuilder builder = new StringBuilder();
int lastSlashPos = 0;
int slashPos = rawPath.indexOf('/');
while (slashPos > -1) {
builder.append(rawPath.substring(lastSlashPos, slashPos + 1));
final String uriPart = rawPath.substring(slashPos + 1);
if (uriPart.matches("[a-zA-Z][a-zA-Z\\+\\-\\.]*(:[^/]*)?://.+")) {
return URI.create(builder.toString()).normalize().toString() + uriPart;
}
lastSlashPos = slashPos;
slashPos = rawPath.indexOf('/', slashPos + 1);
}
return requestUri.normalize().getRawPath();
}
@Override
public String getMethod() {
return httpMethod;
}
@Override
public void setMethod(String method) throws IllegalStateException {
if (!uriRoutingContext.getMatchedURIs().isEmpty()) {
throw new IllegalStateException("Method could be called only in pre-matching request filter.");
}
this.httpMethod = method;
}
/**
* Set {@link RequestEventListener request event listener} that will listen to events of this request and
* {@link RequestEventBuilder request event builder} that will be used to build these events.
*
*
* Do not use this method to set empty mock event listener which has no internal functionality in order to
* disable event listener and set {@code requestEventListener} to null instead. Request event listeners are usually created from
* {@link org.glassfish.jersey.server.monitoring.ApplicationEventListener#onRequest(org.glassfish.jersey.server.monitoring.RequestEvent)}.
* If this method is never called on the request the default no functionality event listener
* and event builder will be used.
*
*
*
* @param requestEventListener Request event listener or null if the listening to events should be disabled.
* @param requestEventBuilder Request event builder.
*/
void setRequestEventListener(RequestEventListener requestEventListener,
RequestEventBuilder requestEventBuilder) {
if (requestEventListener != null) {
this.requestEventListener = requestEventListener;
this.requestEventBuilder = requestEventBuilder;
} else {
// use mock builder
this.requestEventBuilder = EmptyRequestEventBuilder.EMPTY_EVENT_BUILDER;
}
}
/**
* Get an event builder bound to the current container request.
*
* @return event builder bound to the current container request.
*/
RequestEventBuilder getRequestEventBuilder() {
return requestEventBuilder;
}
/**
* Trigger a new monitoring event for the current request.
*
* @param requestEventType request event type.
*/
public void triggerEvent(RequestEvent.Type requestEventType) {
if (requestEventListener != null) {
requestEventListener.onEvent(requestEventBuilder.build(requestEventType));
}
}
/**
* Like {@link #setMethod(String)} but does not throw {@link IllegalStateException} if the method is invoked in other than
* pre-matching phase.
*
* @param method HTTP method.
*/
public void setMethodWithoutException(String method) {
this.httpMethod = method;
}
@Override
public SecurityContext getSecurityContext() {
return securityContext;
}
@Override
public void setSecurityContext(SecurityContext context) {
Preconditions.checkState(!inResponseProcessingPhase, LocalizationMessages.ERROR_REQUEST_SET_SECURITY_CONTEXT_IN_RESPONSE_PHASE());
this.securityContext = context;
}
@Override
public void setEntityStream(InputStream input) {
Preconditions.checkState(!inResponseProcessingPhase, LocalizationMessages.ERROR_REQUEST_SET_ENTITY_STREAM_IN_RESPONSE_PHASE());
super.setEntityStream(input);
}
@Override
public Request getRequest() {
return this;
}
@Override
public void abortWith(Response response) {
Preconditions.checkState(!inResponseProcessingPhase, LocalizationMessages.ERROR_REQUEST_ABORT_IN_RESPONSE_PHASE());
this.abortResponse = response;
}
/**
* Notify this request that the response created from this request is already being
* processed. This means that the request processing phase has finished and this
* request can be used only in the request processing phase (for example in
* ContainerResponseFilter).
*
* The request can be used for processing of more than one response (in async cases).
* Then this method should be called when the first response is created from this
* request. Multiple calls to this method has the same effect as calling the method
* only once.
*/
public void inResponseProcessing() {
this.inResponseProcessingPhase = true;
}
/**
* Get the request filter chain aborting response if set, or {@code null} otherwise.
*
* @return request filter chain aborting response if set, or {@code null} otherwise.
*/
public Response getAbortResponse() {
return abortResponse;
}
@Override
public Map getCookies() {
return super.getRequestCookies();
}
@Override
public List getAcceptableMediaTypes() {
return Lists.transform(getQualifiedAcceptableMediaTypes(), new Function() {
@Override
public MediaType apply(AcceptableMediaType input) {
return input;
}
});
}
@Override
public List getAcceptableLanguages() {
return Lists.transform(getQualifiedAcceptableLanguages(), new Function() {
@Override
public Locale apply(AcceptableLanguageTag input) {
return input.getAsLocale();
}
});
}
// JAX-RS request
@Override
public Variant selectVariant(List variants) throws IllegalArgumentException {
if (variants == null || variants.isEmpty()) {
throw new IllegalArgumentException(LocalizationMessages.METHOD_PARAMETER_CANNOT_BE_NULL_OR_EMPTY("variants"));
}
Ref varyValueRef = Refs.emptyRef();
final Variant variant = VariantSelector.selectVariant(this, variants, varyValueRef);
this.varyValue = varyValueRef.get();
return variant;
}
/**
* Get the value of HTTP Vary response header to be set in the response,
* or {@code null} if no value is to be set.
*
* @return value of HTTP Vary response header to be set in the response if available,
* {@code null} otherwise.
*/
public String getVaryValue() {
return varyValue;
}
@Override
public Response.ResponseBuilder evaluatePreconditions(EntityTag eTag) {
if (eTag == null) {
throw new IllegalArgumentException(LocalizationMessages.METHOD_PARAMETER_CANNOT_BE_NULL("eTag"));
}
Response.ResponseBuilder r = evaluateIfMatch(eTag);
if (r != null) {
return r;
}
return evaluateIfNoneMatch(eTag);
}
@Override
public Response.ResponseBuilder evaluatePreconditions(Date lastModified) {
if (lastModified == null) {
throw new IllegalArgumentException(LocalizationMessages.METHOD_PARAMETER_CANNOT_BE_NULL("lastModified"));
}
final long lastModifiedTime = lastModified.getTime();
Response.ResponseBuilder r = evaluateIfUnmodifiedSince(lastModifiedTime);
if (r != null) {
return r;
}
return evaluateIfModifiedSince(lastModifiedTime);
}
@Override
public Response.ResponseBuilder evaluatePreconditions(Date lastModified, EntityTag eTag) {
if (lastModified == null) {
throw new IllegalArgumentException(LocalizationMessages.METHOD_PARAMETER_CANNOT_BE_NULL("lastModified"));
}
if (eTag == null) {
throw new IllegalArgumentException(LocalizationMessages.METHOD_PARAMETER_CANNOT_BE_NULL("eTag"));
}
Response.ResponseBuilder r = evaluateIfMatch(eTag);
if (r != null) {
return r;
}
final long lastModifiedTime = lastModified.getTime();
r = evaluateIfUnmodifiedSince(lastModifiedTime);
if (r != null) {
return r;
}
final boolean isGetOrHead = getMethod().equals("GET") || getMethod().equals("HEAD");
final Set matchingTags = getIfNoneMatch();
if (matchingTags != null) {
r = evaluateIfNoneMatch(eTag, matchingTags, isGetOrHead);
// If the If-None-Match header is present and there is no
// match then the If-Modified-Since header must be ignored
if (r == null) {
return r;
}
// Otherwise if the If-None-Match header is present and there
// is a match then the If-Modified-Since header must be checked
// for consistency
}
final String ifModifiedSinceHeader = getHeaderString(HttpHeaders.IF_MODIFIED_SINCE);
if (ifModifiedSinceHeader != null && ifModifiedSinceHeader.length() > 0 && isGetOrHead) {
r = evaluateIfModifiedSince(lastModifiedTime, ifModifiedSinceHeader);
if (r != null) {
r.tag(eTag);
}
}
return r;
}
@Override
public Response.ResponseBuilder evaluatePreconditions() {
Set matchingTags = getIfMatch();
if (matchingTags == null) {
return null;
}
// Since the resource does not exist the method must not be
// perform and 412 Precondition Failed is returned
return Response.status(Response.Status.PRECONDITION_FAILED);
}
// Private methods
private Response.ResponseBuilder evaluateIfMatch(EntityTag eTag) {
Set matchingTags = getIfMatch();
if (matchingTags == null) {
return null;
}
// The strong comparison function must be used to compare the entity
// tags. Thus if the entity tag of the entity is weak then matching
// of entity tags in the If-Match header should fail.
if (eTag.isWeak()) {
return Response.status(Response.Status.PRECONDITION_FAILED);
}
if (matchingTags != MatchingEntityTag.ANY_MATCH && !matchingTags.contains(eTag)) {
// 412 Precondition Failed
return Response.status(Response.Status.PRECONDITION_FAILED);
}
return null;
}
private Response.ResponseBuilder evaluateIfNoneMatch(EntityTag eTag) {
Set matchingTags = getIfNoneMatch();
if (matchingTags == null) {
return null;
}
final String httpMethod = getMethod();
return evaluateIfNoneMatch(eTag, matchingTags, httpMethod.equals("GET") || httpMethod.equals("HEAD"));
}
private Response.ResponseBuilder evaluateIfNoneMatch(EntityTag eTag, Set matchingTags,
boolean isGetOrHead) {
if (isGetOrHead) {
if (matchingTags == MatchingEntityTag.ANY_MATCH) {
// 304 Not modified
return Response.notModified(eTag);
}
// The weak comparison function may be used to compare entity tags
if (matchingTags.contains(eTag) || matchingTags.contains(new EntityTag(eTag.getValue(), !eTag.isWeak()))) {
// 304 Not modified
return Response.notModified(eTag);
}
} else {
// The strong comparison function must be used to compare the entity
// tags. Thus if the entity tag of the entity is weak then matching
// of entity tags in the If-None-Match header should fail if the
// HTTP method is not GET or not HEAD.
if (eTag.isWeak()) {
return null;
}
if (matchingTags == MatchingEntityTag.ANY_MATCH || matchingTags.contains(eTag)) {
// 412 Precondition Failed
return Response.status(Response.Status.PRECONDITION_FAILED);
}
}
return null;
}
private Response.ResponseBuilder evaluateIfUnmodifiedSince(long lastModified) {
String ifUnmodifiedSinceHeader = getHeaderString(HttpHeaders.IF_UNMODIFIED_SINCE);
if (ifUnmodifiedSinceHeader != null && ifUnmodifiedSinceHeader.length() > 0) {
try {
long ifUnmodifiedSince = HttpHeaderReader.readDate(ifUnmodifiedSinceHeader).getTime();
if (roundDown(lastModified) > ifUnmodifiedSince) {
// 412 Precondition Failed
return Response.status(Response.Status.PRECONDITION_FAILED);
}
} catch (ParseException ex) {
// Ignore the header if parsing error
}
}
return null;
}
private Response.ResponseBuilder evaluateIfModifiedSince(long lastModified) {
String ifModifiedSinceHeader = getHeaderString(HttpHeaders.IF_MODIFIED_SINCE);
if (ifModifiedSinceHeader == null || ifModifiedSinceHeader.length() == 0) {
return null;
}
final String httpMethod = getMethod();
if (httpMethod.equals("GET") || httpMethod.equals("HEAD")) {
return evaluateIfModifiedSince(lastModified, ifModifiedSinceHeader);
} else {
return null;
}
}
private Response.ResponseBuilder evaluateIfModifiedSince(long lastModified, String ifModifiedSinceHeader) {
try {
long ifModifiedSince = HttpHeaderReader.readDate(ifModifiedSinceHeader).getTime();
if (roundDown(lastModified) <= ifModifiedSince) {
// 304 Not modified
return Response.notModified();
}
} catch (ParseException ex) {
// Ignore the header if parsing error
}
return null;
}
/**
* Round down the time to the nearest second.
*
* @param time the time to round down.
* @return the rounded down time.
*/
private static long roundDown(long time) {
return time - time % 1000;
}
/**
* Get the values of a HTTP request header. The returned List is read-only.
* This is a shortcut for {@code getRequestHeaders().get(name)}.
*
* @param name the header name, case insensitive.
* @return a read-only list of header values.
* @throws IllegalStateException if called outside the scope of a request.
*/
@Override
public List getRequestHeader(String name) {
return getHeaders().get(name);
}
/**
* Get the values of HTTP request headers. The returned Map is case-insensitive
* wrt. keys and is read-only. The method never returns {@code null}.
*
* @return a read-only map of header names and values.
* @throws IllegalStateException if called outside the scope of a request.
*/
@Override
public MultivaluedMap getRequestHeaders() {
return getHeaders();
}
/**
* Check if the container request has been properly initialized for processing.
*
* @throws IllegalStateException in case the internal state is not ready for processing.
*/
void checkState() throws IllegalStateException {
if (securityContext == null) {
throw new IllegalStateException("SecurityContext set in the ContainerRequestContext must not be null.");
} else if (responseWriter == null) {
throw new IllegalStateException("ResponseWriter set in the ContainerRequestContext must not be null.");
}
}
}