cesnimda
28 lines
1.7 KiB
TypeScript
28 lines
1.7 KiB
TypeScript
export type EmailOAuthProvider = "gmail" | "microsoft";
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export type EmailOAuthAttempt = { provider: EmailOAuthProvider; origin: string; popup: Window };
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type TerminalMessage = { status: "connected" | "error"; message?: string };
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export function emailOAuthCallbackOrigin(authorizationUrl: unknown, provider: EmailOAuthProvider): string | null {
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if (typeof authorizationUrl !== "string") return null;
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try {
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const authorization = new URL(authorizationUrl);
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if (!["https:", "http:"].includes(authorization.protocol) || authorization.username || authorization.password) return null;
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const redirects = authorization.searchParams.getAll("redirect_uri");
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if (redirects.length !== 1) return null;
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const callback = new URL(redirects[0]);
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const path = provider === "gmail" ? "/api/gmail/oauth/callback" : "/api/microsoft-graph/oauth/callback";
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return ["https:", "http:"].includes(callback.protocol) && !callback.username && !callback.password
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&& callback.pathname === path && !callback.search && !callback.hash ? callback.origin : null;
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} catch { return null; }
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}
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export function emailOAuthMessage(event: MessageEvent, attempt: EmailOAuthAttempt): TerminalMessage | null {
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if (event.origin !== attempt.origin || event.source !== attempt.popup) return null;
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const data = event.data as { source?: unknown; status?: unknown; message?: unknown } | null;
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if (!data || typeof data !== "object" || Array.isArray(data)
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|| data.source !== (attempt.provider === "gmail" ? "jobtracker-gmail-oauth" : "jobtracker-microsoft-oauth")
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|| (data.status !== "connected" && data.status !== "error")
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|| (data.message !== undefined && typeof data.message !== "string")) return null;
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return { status: data.status, message: data.message };
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}
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