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StreamableHTTPServerTransport should only check init status when sessionId existing #335

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StreamableHTTPServerTransport should only check init status when sessionId existing #335

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f0fbfc7
StreamableHTTPServerTransport should only check init status when ther…
qikaigao Apr 14, 2025
3048a6f
Merge branch 'main' into patch-1
cliffhall Apr 17, 2025
d88308b
Merge branch 'main' into patch-1
cliffhall Apr 17, 2025
0058c30
Update src/server/streamableHttp.ts
qikaigao Apr 17, 2025
1df3487
Update streamableHttp.ts
qikaigao Apr 17, 2025
88f962d
Merge branch 'main' into patch-1
cliffhall Apr 18, 2025
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11 changes: 6 additions & 5 deletions src/server/streamableHttp.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -463,6 +463,11 @@ export class StreamableHTTPServerTransport implements Transport {
* Returns true if the session is valid, false otherwise
*/
private validateSession(req: IncomingMessage, res: ServerResponse): boolean {
if (this.sessionId === undefined) {
// If the session ID is not set, the session management is disabled
// and we don't need to validate the session ID
return true;
}
if (!this._initialized) {
// If the server has not been initialized yet, reject all requests
res.writeHead(400).end(JSON.stringify({
Expand All @@ -475,11 +480,7 @@ export class StreamableHTTPServerTransport implements Transport {
}));
return false;
}
if (this.sessionId === undefined) {
// If the session ID is not set, the session management is disabled
// and we don't need to validate the session ID
return true;
}

const sessionId = req.headers["mcp-session-id"];

if (!sessionId) {
Expand Down