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feat: make opencode web embeddable in iframes at a subpath #23912

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feat: make opencode web embeddable in iframes at a subpath #23912

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8 changes: 8 additions & 0 deletions packages/app/src/entry.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,14 @@ if (!(root instanceof HTMLElement) && import.meta.env.DEV) {
}

const getCurrentUrl = () => {
// Honor the localStorage `defaultServerUrl` override if set so that the
// initial `servers[0]` entry matches the `defaultServer` key; otherwise
// `allServers().find(...)` in the server context falls back to
// `allServers()[0]` and the SDK ends up calling `location.origin` for
// control-plane ("/global/*") routes even when the user configured a
// different server URL via localStorage.
const lsDefault = readDefaultServerUrl()
if (lsDefault) return lsDefault
if (location.hostname.includes("opencode.ai")) return "http://localhost:4096"
if (import.meta.env.DEV)
return `http://${import.meta.env.VITE_OPENCODE_SERVER_HOST ?? "localhost"}:${import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"}`
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4 changes: 4 additions & 0 deletions packages/app/vite.config.ts
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Expand Up @@ -3,6 +3,10 @@ import desktopPlugin from "./vite"

export default defineConfig({
plugins: [desktopPlugin] as any,
// Relative base so the built SPA can be served under any URL subpath
// (iframe embedding via reverse proxy) without requiring absolute-path
// asset resolution at the host origin. Also works for direct-serve at `/`.
base: "./",
server: {
host: "0.0.0.0",
allowedHosts: true,
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4 changes: 2 additions & 2 deletions packages/opencode/src/server/routes/ui.ts
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Expand Up @@ -11,10 +11,10 @@ const embeddedUIPromise = Flag.OPENCODE_DISABLE_EMBEDDED_WEB_UI
import("opencode-web-ui.gen.ts").then((module) => module.default as Record<string, string>).catch(() => null)

const DEFAULT_CSP =
"default-src 'self'; script-src 'self' 'wasm-unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:"
"default-src 'self'; script-src 'self' 'wasm-unsafe-eval' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:"

const csp = (hash = "") =>
`default-src 'self'; script-src 'self' 'wasm-unsafe-eval'${hash ? ` 'sha256-${hash}'` : ""}; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:`
`default-src 'self'; script-src 'self' 'wasm-unsafe-eval' 'unsafe-eval'${hash ? ` 'sha256-${hash}'` : ""}; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:`

export const UIRoutes = (): Hono =>
new Hono().all("/*", async (c) => {
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