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Proxy local ZXDB/WoS mirror downloads through application API

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- Created `src/app/api/zxdb/download/route.ts` to serve local files.
- Updated `resolveLocalLink` in `src/server/repo/zxdb.ts` to return
  API-relative URLs with `source` and `path` parameters.
- Encodes the relative subpath to ensure correct URL construction.
- Includes security checks in the API route to prevent path traversal.
- Updated `docs/ZXDB.md` to reflect the proxy mechanism.

Signed-off: junie@lucy.xalior.com
This commit is contained in:
D. Rimron-Soutter
2026-02-17 12:43:26 +00:00
parent 2e47b598c1
commit 32985c33b9
3 changed files with 65 additions and 7 deletions
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17
src/server/repo/zxdb.ts
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@@ -116,20 +116,25 @@ export interface EntryFacets {
*/
function resolveLocalLink(fileLink: string): string | null {
let localPath: string | null = null;
let source: "zxdb" | "wos" | null = null;
let subPath: string | null = null;
const zxdbPrefix = env.ZXDB_FILE_PREFIX || "";
const wosPrefix = env.WOS_FILE_PREFIX || "";
if (fileLink.startsWith(zxdbPrefix) && env.ZXDB_LOCAL_FILEPATH) {
const sub = fileLink.slice(zxdbPrefix.replace(/\/$/, "").length);
localPath = path.join(env.ZXDB_LOCAL_FILEPATH, sub);
subPath = fileLink.slice(zxdbPrefix.replace(/\/$/, "").length);
localPath = path.join(env.ZXDB_LOCAL_FILEPATH, subPath);
source = "zxdb";
} else if (fileLink.startsWith(wosPrefix) && env.WOS_LOCAL_FILEPATH) {
const sub = fileLink.slice(wosPrefix.replace(/\/$/, "").length);
localPath = path.join(env.WOS_LOCAL_FILEPATH, sub);
subPath = fileLink.slice(wosPrefix.replace(/\/$/, "").length);
localPath = path.join(env.WOS_LOCAL_FILEPATH, subPath);
source = "wos";
}
if (localPath && fs.existsSync(localPath)) {
return localPath;
if (localPath && fs.existsSync(localPath) && source && subPath) {
// Return an application-relative URL instead of the absolute filesystem path
return `/api/zxdb/download?source=${source}&path=${encodeURIComponent(subPath)}`;
}
return null;