50 lines
1.8 KiB
TypeScript
50 lines
1.8 KiB
TypeScript
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import crypto from "crypto"
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import { NextResponse } from "next/server"
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import { getSessionUser } from "@/lib/session"
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import { getAccountContext } from "@/lib/account"
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import { getAdapter } from "@/lib/esign"
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import { signState, ESIGN_NONCE_COOKIE } from "@/lib/esign/state"
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// Starts the OAuth connect flow for an e-signature provider (owner-only).
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// API-key providers (Dropbox Sign) don't use this — they connect via a form.
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export async function GET(request: Request, { params }: { params: Promise<{ provider: string }> }) {
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const { provider } = await params
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const adapter = getAdapter(provider)
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const settings = new URL("/settings/integrations", request.url)
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if (!adapter) {
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settings.searchParams.set("error", "unknown_provider")
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return NextResponse.redirect(settings)
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}
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const user = await getSessionUser()
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if (!user) return NextResponse.redirect(new URL("/login", request.url))
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const ctx = await getAccountContext(user.id)
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if (!ctx.isOwner) {
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settings.searchParams.set("error", "owner_only")
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return NextResponse.redirect(settings)
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}
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if (adapter.kind !== "oauth") {
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settings.searchParams.set("error", "use_api_key")
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return NextResponse.redirect(settings)
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}
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if (!adapter.available()) {
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settings.searchParams.set("error", "not_configured")
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return NextResponse.redirect(settings)
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}
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// Bind the round-trip to this browser: nonce in the signed state AND a cookie.
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const nonce = crypto.randomUUID()
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const state = signState({ ownerId: ctx.ownerId, provider, nonce })
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const res = NextResponse.redirect(adapter.getAuthUrl(state))
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res.cookies.set(ESIGN_NONCE_COOKIE, nonce, {
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httpOnly: true,
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secure: process.env.NODE_ENV === "production",
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sameSite: "lax",
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path: "/",
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maxAge: 600,
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})
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return res
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}
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