| 1 | /** |
| 2 | * Backend paths the web dev server proxies in single-origin browser dev. |
| 3 | * |
| 4 | * Two consumers must agree on this list: the Vite proxy map |
| 5 | * (apps/web/vite.config.ts) that forwards these to the backend, and the |
| 6 | * server's dev catch-all (apps/server/src/http.ts) that 404s them instead of |
| 7 | * redirecting back to Vite. Drift is silent and nasty in both directions — a |
| 8 | * prefix only Vite knows gets answered with index.html; a prefix only the |
| 9 | * server knows redirect-loops through the proxy. |
| 10 | */ |
| 11 | export const DEV_PROXIED_PATH_PREFIXES = [ |
| 12 | "/api", |
| 13 | "/oauth", |
| 14 | "/.well-known", |
| 15 | "/ws", |
| 16 | "/mcp", |
| 17 | "/environments", |
| 18 | ] as const; |
| 19 | |
| 20 | /** |
| 21 | * Prefixes the proxy must forward with the browser's own Host. MCP OAuth |
| 22 | * derives its issuer and resource URLs from the request, and a client |
| 23 | * rejects metadata naming a different origin than the one it fetched. The |
| 24 | * server accepts a cookie session on `/ws` only when the page's Origin matches |
| 25 | * the Host it sees, so whatever origin the page was opened on keeps working. |
| 26 | */ |
| 27 | export const DEV_PROXIED_ORIGIN_PRESERVING_PREFIXES: ReadonlySet<string> = new Set([ |
| 28 | "/oauth", |
| 29 | "/.well-known", |
| 30 | "/mcp", |
| 31 | "/ws", |
| 32 | "/environments", |
| 33 | ]); |
| 34 | |
| 35 | export function isDevProxiedPath(pathname: string): boolean { |
| 36 | return DEV_PROXIED_PATH_PREFIXES.some( |
| 37 | (prefix) => pathname === prefix || pathname.startsWith(`${prefix}/`), |
| 38 | ); |
| 39 | } |