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Fix TigerInbox connector getting stuck after an auth failure #27

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Merged
DIodide merged 1 commit into from
Sep 28, 2026
Merged

Fix TigerInbox connector getting stuck after an auth failure #27

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18 changes: 18 additions & 0 deletions app/src/server/pi.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -366,6 +366,12 @@ export class Pi extends Think<Env, PiState> {
!enabled.has(app.key) ||
(identityChanged && app.key !== "gcal") ||
(app.key === "gcal" && !gcalEntitled) ||
// Bearer-token apps never need OAuth: a stored connection that failed or
// fell into an OAuth flow (e.g. after a rejected token) would otherwise
// stay stuck in that state for the life of the object. Drop it and
// reconnect fresh with the current credentials.
(app.key !== "gcal" &&
(server.state === "failed" || server.state === "authenticating")) ||
server.server_url !== expectedUrl(app);
if (stale) await this.removeMcpServer(id);
}
Expand Down Expand Up @@ -466,6 +472,7 @@ export class Pi extends Think<Env, PiState> {
private connectFailure(app: PiApp, err: unknown): string {
const raw = err instanceof Error ? err.message : String(err);
console.warn(`connect ${app.key} failed:`, raw);
if (app.key === "tigerinbox") void this.logTokenFingerprint();
const text = raw.toLowerCase();
const has = (...needles: string[]) => needles.some((n) => text.includes(n));
if (has("timeout", "timed out", "abort")) {
Expand Down Expand Up @@ -875,6 +882,17 @@ export class Pi extends Think<Env, PiState> {
return (this.env.ENGINE_MCP_BASE || DEFAULT_ENGINE_BASE).replace(/\/$/, "");
}

/**
* Log a short SHA-256 fingerprint (never the value) of the configured
* TigerInbox token, so a mismatch with TigerInbox's own token is provable.
*/
private async logTokenFingerprint(): Promise<void> {
const token = this.env.TIGERINBOX_MCP_TOKEN ?? "";
const digest = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(token));
const hex = [...new Uint8Array(digest)].map((b) => b.toString(16).padStart(2, "0")).join("");
console.warn(`tigerinbox token fingerprint: ${token ? hex.slice(0, 12) : "(empty)"}`);
}

/**
* TigerInbox's connector reads a shared, public-listserv archive, so it takes
* PI's own token and deliberately no student identity headers.
Expand Down
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