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node_modules/@modelcontextprotocol/sdk/dist/esm/server/sse.d.ts

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+import { IncomingMessage, ServerResponse } from 'node:http';
+import { Transport } from '../shared/transport.js';
+import { JSONRPCMessage, MessageExtraInfo } from '../types.js';
+import { AuthInfo } from './auth/types.js';
+/**
+ * Configuration options for SSEServerTransport.
+ */
+export interface SSEServerTransportOptions {
+    /**
+     * List of allowed host header values for DNS rebinding protection.
+     * If not specified, host validation is disabled.
+     * @deprecated Use the `hostHeaderValidation` middleware from `@modelcontextprotocol/sdk/server/middleware/hostHeaderValidation.js` instead,
+     * or use `createMcpExpressApp` from `@modelcontextprotocol/sdk/server/express.js` which includes localhost protection by default.
+     */
+    allowedHosts?: string[];
+    /**
+     * List of allowed origin header values for DNS rebinding protection.
+     * If not specified, origin validation is disabled.
+     * @deprecated Use the `hostHeaderValidation` middleware from `@modelcontextprotocol/sdk/server/middleware/hostHeaderValidation.js` instead,
+     * or use `createMcpExpressApp` from `@modelcontextprotocol/sdk/server/express.js` which includes localhost protection by default.
+     */
+    allowedOrigins?: string[];
+    /**
+     * Enable DNS rebinding protection (requires allowedHosts and/or allowedOrigins to be configured).
+     * Default is false for backwards compatibility.
+     * @deprecated Use the `hostHeaderValidation` middleware from `@modelcontextprotocol/sdk/server/middleware/hostHeaderValidation.js` instead,
+     * or use `createMcpExpressApp` from `@modelcontextprotocol/sdk/server/express.js` which includes localhost protection by default.
+     */
+    enableDnsRebindingProtection?: boolean;
+}
+/**
+ * Server transport for SSE: this will send messages over an SSE connection and receive messages from HTTP POST requests.
+ *
+ * This transport is only available in Node.js environments.
+ * @deprecated SSEServerTransport is deprecated. Use StreamableHTTPServerTransport instead.
+ */
+export declare class SSEServerTransport implements Transport {
+    private _endpoint;
+    private res;
+    private _sseResponse?;
+    private _sessionId;
+    private _options;
+    onclose?: () => void;
+    onerror?: (error: Error) => void;
+    onmessage?: (message: JSONRPCMessage, extra?: MessageExtraInfo) => void;
+    /**
+     * Creates a new SSE server transport, which will direct the client to POST messages to the relative or absolute URL identified by `_endpoint`.
+     */
+    constructor(_endpoint: string, res: ServerResponse, options?: SSEServerTransportOptions);
+    /**
+     * Validates request headers for DNS rebinding protection.
+     * @returns Error message if validation fails, undefined if validation passes.
+     */
+    private validateRequestHeaders;
+    /**
+     * Handles the initial SSE connection request.
+     *
+     * This should be called when a GET request is made to establish the SSE stream.
+     */
+    start(): Promise<void>;
+    /**
+     * Handles incoming POST messages.
+     *
+     * This should be called when a POST request is made to send a message to the server.
+     */
+    handlePostMessage(req: IncomingMessage & {
+        auth?: AuthInfo;
+    }, res: ServerResponse, parsedBody?: unknown): Promise<void>;
+    /**
+     * Handle a client message, regardless of how it arrived. This can be used to inform the server of messages that arrive via a means different than HTTP POST.
+     */
+    handleMessage(message: unknown, extra?: MessageExtraInfo): Promise<void>;
+    close(): Promise<void>;
+    send(message: JSONRPCMessage): Promise<void>;
+    /**
+     * Returns the session ID for this transport.
+     *
+     * This can be used to route incoming POST requests.
+     */
+    get sessionId(): string;
+}
+//# sourceMappingURL=sse.d.ts.map