Java Code Examples for org.springframework.web.socket.WebSocketHttpHeaders#getSecWebSocketExtensions()
The following examples show how to use
org.springframework.web.socket.WebSocketHttpHeaders#getSecWebSocketExtensions() .
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Example 1
| Source File: AbstractWebSocketClient.java From spring-analysis-note with MIT License | 5 votes |
|
@Override
public final ListenableFuture<WebSocketSession> doHandshake(WebSocketHandler webSocketHandler,
@Nullable WebSocketHttpHeaders headers, URI uri) {
Assert.notNull(webSocketHandler, "WebSocketHandler must not be null");
assertUri(uri);
if (logger.isDebugEnabled()) {
logger.debug("Connecting to " + uri);
}
HttpHeaders headersToUse = new HttpHeaders();
if (headers != null) {
headers.forEach((header, values) -> {
if (values != null && !specialHeaders.contains(header.toLowerCase())) {
headersToUse.put(header, values);
}
});
}
List<String> subProtocols =
(headers != null ? headers.getSecWebSocketProtocol() : Collections.emptyList());
List<WebSocketExtension> extensions =
(headers != null ? headers.getSecWebSocketExtensions() : Collections.emptyList());
return doHandshakeInternal(webSocketHandler, headersToUse, uri, subProtocols, extensions,
Collections.emptyMap());
}
Example 2
| Source File: AbstractWebSocketClient.java From java-technology-stack with MIT License | 5 votes |
|
@Override
public final ListenableFuture<WebSocketSession> doHandshake(WebSocketHandler webSocketHandler,
@Nullable WebSocketHttpHeaders headers, URI uri) {
Assert.notNull(webSocketHandler, "WebSocketHandler must not be null");
assertUri(uri);
if (logger.isDebugEnabled()) {
logger.debug("Connecting to " + uri);
}
HttpHeaders headersToUse = new HttpHeaders();
if (headers != null) {
headers.forEach((header, values) -> {
if (values != null && !specialHeaders.contains(header.toLowerCase())) {
headersToUse.put(header, values);
}
});
}
List<String> subProtocols =
(headers != null ? headers.getSecWebSocketProtocol() : Collections.emptyList());
List<WebSocketExtension> extensions =
(headers != null ? headers.getSecWebSocketExtensions() : Collections.emptyList());
return doHandshakeInternal(webSocketHandler, headersToUse, uri, subProtocols, extensions,
Collections.emptyMap());
}
Example 3
| Source File: AbstractWebSocketClient.java From spring4-understanding with Apache License 2.0 | 5 votes |
|
@Override
public final ListenableFuture<WebSocketSession> doHandshake(WebSocketHandler webSocketHandler,
WebSocketHttpHeaders headers, URI uri) {
Assert.notNull(webSocketHandler, "webSocketHandler must not be null");
assertUri(uri);
if (logger.isDebugEnabled()) {
logger.debug("Connecting to " + uri);
}
HttpHeaders headersToUse = new HttpHeaders();
if (headers != null) {
for (String header : headers.keySet()) {
if (!specialHeaders.contains(header.toLowerCase())) {
headersToUse.put(header, headers.get(header));
}
}
}
List<String> subProtocols = ((headers != null) && (headers.getSecWebSocketProtocol() != null)) ?
headers.getSecWebSocketProtocol() : Collections.<String>emptyList();
List<WebSocketExtension> extensions = ((headers != null) && (headers.getSecWebSocketExtensions() != null)) ?
headers.getSecWebSocketExtensions() : Collections.<WebSocketExtension>emptyList();
return doHandshakeInternal(webSocketHandler, headersToUse, uri, subProtocols, extensions,
Collections.<String, Object>emptyMap());
}
Example 4
| Source File: AbstractHandshakeHandler.java From spring-analysis-note with MIT License | 4 votes |
|
@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, Map<String, Object> attributes) throws HandshakeFailureException {
WebSocketHttpHeaders headers = new WebSocketHttpHeaders(request.getHeaders());
if (logger.isTraceEnabled()) {
logger.trace("Processing request " + request.getURI() + " with headers=" + headers);
}
try {
if (HttpMethod.GET != request.getMethod()) {
response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
if (logger.isErrorEnabled()) {
logger.error("Handshake failed due to unexpected HTTP method: " + request.getMethod());
}
return false;
}
if (!"WebSocket".equalsIgnoreCase(headers.getUpgrade())) {
handleInvalidUpgradeHeader(request, response);
return false;
}
if (!headers.getConnection().contains("Upgrade") && !headers.getConnection().contains("upgrade")) {
handleInvalidConnectHeader(request, response);
return false;
}
if (!isWebSocketVersionSupported(headers)) {
handleWebSocketVersionNotSupported(request, response);
return false;
}
if (!isValidOrigin(request)) {
response.setStatusCode(HttpStatus.FORBIDDEN);
return false;
}
String wsKey = headers.getSecWebSocketKey();
if (wsKey == null) {
if (logger.isErrorEnabled()) {
logger.error("Missing \"Sec-WebSocket-Key\" header");
}
response.setStatusCode(HttpStatus.BAD_REQUEST);
return false;
}
}
catch (IOException ex) {
throw new HandshakeFailureException(
"Response update failed during upgrade to WebSocket: " + request.getURI(), ex);
}
String subProtocol = selectProtocol(headers.getSecWebSocketProtocol(), wsHandler);
List<WebSocketExtension> requested = headers.getSecWebSocketExtensions();
List<WebSocketExtension> supported = this.requestUpgradeStrategy.getSupportedExtensions(request);
List<WebSocketExtension> extensions = filterRequestedExtensions(request, requested, supported);
Principal user = determineUser(request, wsHandler, attributes);
if (logger.isTraceEnabled()) {
logger.trace("Upgrading to WebSocket, subProtocol=" + subProtocol + ", extensions=" + extensions);
}
this.requestUpgradeStrategy.upgrade(request, response, subProtocol, extensions, user, wsHandler, attributes);
return true;
}
Example 5
| Source File: AbstractHandshakeHandler.java From java-technology-stack with MIT License | 4 votes |
|
@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, Map<String, Object> attributes) throws HandshakeFailureException {
WebSocketHttpHeaders headers = new WebSocketHttpHeaders(request.getHeaders());
if (logger.isTraceEnabled()) {
logger.trace("Processing request " + request.getURI() + " with headers=" + headers);
}
try {
if (HttpMethod.GET != request.getMethod()) {
response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
if (logger.isErrorEnabled()) {
logger.error("Handshake failed due to unexpected HTTP method: " + request.getMethod());
}
return false;
}
if (!"WebSocket".equalsIgnoreCase(headers.getUpgrade())) {
handleInvalidUpgradeHeader(request, response);
return false;
}
if (!headers.getConnection().contains("Upgrade") && !headers.getConnection().contains("upgrade")) {
handleInvalidConnectHeader(request, response);
return false;
}
if (!isWebSocketVersionSupported(headers)) {
handleWebSocketVersionNotSupported(request, response);
return false;
}
if (!isValidOrigin(request)) {
response.setStatusCode(HttpStatus.FORBIDDEN);
return false;
}
String wsKey = headers.getSecWebSocketKey();
if (wsKey == null) {
if (logger.isErrorEnabled()) {
logger.error("Missing \"Sec-WebSocket-Key\" header");
}
response.setStatusCode(HttpStatus.BAD_REQUEST);
return false;
}
}
catch (IOException ex) {
throw new HandshakeFailureException(
"Response update failed during upgrade to WebSocket: " + request.getURI(), ex);
}
String subProtocol = selectProtocol(headers.getSecWebSocketProtocol(), wsHandler);
List<WebSocketExtension> requested = headers.getSecWebSocketExtensions();
List<WebSocketExtension> supported = this.requestUpgradeStrategy.getSupportedExtensions(request);
List<WebSocketExtension> extensions = filterRequestedExtensions(request, requested, supported);
Principal user = determineUser(request, wsHandler, attributes);
if (logger.isTraceEnabled()) {
logger.trace("Upgrading to WebSocket, subProtocol=" + subProtocol + ", extensions=" + extensions);
}
this.requestUpgradeStrategy.upgrade(request, response, subProtocol, extensions, user, wsHandler, attributes);
return true;
}
Example 6
| Source File: AbstractHandshakeHandler.java From spring4-understanding with Apache License 2.0 | 4 votes |
|
@Override
public final boolean doHandshake(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, Map<String, Object> attributes) throws HandshakeFailureException {
WebSocketHttpHeaders headers = new WebSocketHttpHeaders(request.getHeaders());
if (logger.isTraceEnabled()) {
logger.trace("Processing request " + request.getURI() + " with headers=" + headers);
}
try {
if (HttpMethod.GET != request.getMethod()) {
response.setStatusCode(HttpStatus.METHOD_NOT_ALLOWED);
response.getHeaders().setAllow(Collections.singleton(HttpMethod.GET));
if (logger.isErrorEnabled()) {
logger.error("Handshake failed due to unexpected HTTP method: " + request.getMethod());
}
return false;
}
if (!"WebSocket".equalsIgnoreCase(headers.getUpgrade())) {
handleInvalidUpgradeHeader(request, response);
return false;
}
if (!headers.getConnection().contains("Upgrade") && !headers.getConnection().contains("upgrade")) {
handleInvalidConnectHeader(request, response);
return false;
}
if (!isWebSocketVersionSupported(headers)) {
handleWebSocketVersionNotSupported(request, response);
return false;
}
if (!isValidOrigin(request)) {
response.setStatusCode(HttpStatus.FORBIDDEN);
return false;
}
String wsKey = headers.getSecWebSocketKey();
if (wsKey == null) {
if (logger.isErrorEnabled()) {
logger.error("Missing \"Sec-WebSocket-Key\" header");
}
response.setStatusCode(HttpStatus.BAD_REQUEST);
return false;
}
}
catch (IOException ex) {
throw new HandshakeFailureException(
"Response update failed during upgrade to WebSocket: " + request.getURI(), ex);
}
String subProtocol = selectProtocol(headers.getSecWebSocketProtocol(), wsHandler);
List<WebSocketExtension> requested = headers.getSecWebSocketExtensions();
List<WebSocketExtension> supported = this.requestUpgradeStrategy.getSupportedExtensions(request);
List<WebSocketExtension> extensions = filterRequestedExtensions(request, requested, supported);
Principal user = determineUser(request, wsHandler, attributes);
if (logger.isTraceEnabled()) {
logger.trace("Upgrading to WebSocket, subProtocol=" + subProtocol + ", extensions=" + extensions);
}
this.requestUpgradeStrategy.upgrade(request, response, subProtocol, extensions, user, wsHandler, attributes);
return true;
}
