Add Mega-Debrid unrestrict workarounds and bump to 1.1.18

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.1.17",
+  "version": "1.1.18",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "real-debrid-downloader",
-      "version": "1.1.17",
+      "version": "1.1.18",
       "license": "MIT",
       "dependencies": {
         "adm-zip": "^0.5.16",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "real-debrid-downloader",
-  "version": "1.1.17",
+  "version": "1.1.18",
   "description": "Real-Debrid Downloader Desktop (Electron + React + TypeScript)",
   "main": "build/main/main/main.js",
   "author": "Sucukdeluxe",

src/main/constants.ts

@@ -3,7 +3,7 @@ import os from "node:os";
 import { AppSettings } from "../shared/types";
 
 export const APP_NAME = "Debrid Download Manager";
-export const APP_VERSION = "1.1.17";
+export const APP_VERSION = "1.1.18";
 export const API_BASE_URL = "https://api.real-debrid.com/rest/1.0";
 
 export const DCRYPT_UPLOAD_URL = "https://dcrypt.it/decrypt/upload";

src/main/debrid.ts

@@ -1,4 +1,5 @@
 import { AppSettings, DebridProvider } from "../shared/types";
+import { createHash } from "node:crypto";
 import { REQUEST_RETRIES } from "./constants";
 import { RealDebridClient, UnrestrictedLink } from "./realdebrid";
 import { compactErrorText, filenameFromUrl, looksLikeOpaqueFilename, sleep } from "./utils";
@@ -194,16 +195,52 @@ class MegaDebridClient {
     this.token = token;
   }
 
-  public async unrestrictLink(link: string): Promise<UnrestrictedLink> {
-    let lastError = "";
-    for (let attempt = 1; attempt <= REQUEST_RETRIES; attempt += 1) {
+  private normalizeMegaCandidates(link: string): string[] {
+    const result = new Set<string>();
+    const trimmed = link.trim();
+    if (trimmed) {
+      result.add(trimmed);
+    }
+
     try {
-        const body = new URLSearchParams({ link });
-        const response = await fetch(`${MEGA_DEBRID_API}?action=getLink&token=${encodeURIComponent(this.token)}`, {
+      const parsed = new URL(trimmed);
+      const host = parsed.hostname.toLowerCase();
+      if (host.includes("rapidgator.net")) {
+        const parts = parsed.pathname.split("/").filter(Boolean);
+        const fileIdx = parts.findIndex((part) => part.toLowerCase() === "file");
+        if (fileIdx >= 0 && parts[fileIdx + 1]) {
+          const hash = parts[fileIdx + 1];
+          result.add(`https://rapidgator.net/file/${hash}`);
+          result.add(`http://rapidgator.net/file/${hash}`);
+          if (parts[fileIdx + 2]) {
+            const name = parts[fileIdx + 2].replace(/\.html$/i, "");
+            result.add(`https://rapidgator.net/file/${hash}/${name}.html`);
+            result.add(`http://rapidgator.net/file/${hash}/${name}.html`);
+          }
+        }
+      }
+    } catch {
+      // ignore malformed URL
+    }
+
+    return [...result];
+  }
+
+  private async requestMega(link: string, includePasswordField: boolean, useGetLinkParam: boolean): Promise<UnrestrictedLink> {
+    const url = `${MEGA_DEBRID_API}?action=getLink&token=${encodeURIComponent(this.token)}${useGetLinkParam ? `&link=${encodeURIComponent(link)}` : ""}`;
+    const body = new URLSearchParams();
+    if (!useGetLinkParam) {
+      body.set("link", link);
+    }
+    if (includePasswordField) {
+      body.set("password", createHash("md5").update("").digest("hex"));
+    }
+
+    const response = await fetch(url, {
       method: "POST",
       headers: {
         "Content-Type": "application/x-www-form-urlencoded",
-            "User-Agent": "RD-Node-Downloader/1.1.12"
+        "User-Agent": "RD-Node-Downloader/1.1.17"
       },
       body
     });
@@ -211,12 +248,7 @@ class MegaDebridClient {
     const payload = asRecord(parseJson(text));
 
     if (!response.ok) {
-          const reason = parseError(response.status, text, payload);
-          if (shouldRetryStatus(response.status) && attempt < REQUEST_RETRIES) {
-            await sleep(retryDelay(attempt));
-            continue;
-          }
-          throw new Error(reason);
+      throw new Error(parseError(response.status, text, payload));
     }
 
     const responseCode = pickString(payload, ["response_code"]);
@@ -235,8 +267,37 @@ class MegaDebridClient {
       fileName,
       directUrl,
       fileSize,
-          retriesUsed: attempt - 1
+      retriesUsed: 0
     };
+  }
+
+  public async unrestrictLink(link: string): Promise<UnrestrictedLink> {
+    let lastError = "";
+    for (let attempt = 1; attempt <= REQUEST_RETRIES; attempt += 1) {
+      try {
+        const candidates = this.normalizeMegaCandidates(link);
+        const variants = [
+          { includePasswordField: false, useGetLinkParam: false },
+          { includePasswordField: true, useGetLinkParam: false },
+          { includePasswordField: false, useGetLinkParam: true },
+          { includePasswordField: true, useGetLinkParam: true }
+        ];
+
+        for (const candidate of candidates) {
+          for (const variant of variants) {
+            try {
+              const out = await this.requestMega(candidate, variant.includePasswordField, variant.useGetLinkParam);
+              out.retriesUsed = attempt - 1;
+              return out;
+            } catch (error) {
+              lastError = compactErrorText(error);
+            }
+          }
+        }
+
+        if (/token error|vip_end/i.test(lastError)) {
+          throw new Error(lastError);
+        }
       } catch (error) {
         lastError = compactErrorText(error);
         if (attempt >= REQUEST_RETRIES) {

tests/debrid.test.ts

@@ -143,6 +143,45 @@ describe("debrid service", () => {
     expect(result.fileSize).toBe(4096);
   });
 
+  it("retries Mega-Debrid with alternate request variants", async () => {
+    const settings = {
+      ...defaultSettings(),
+      token: "",
+      megaToken: "mega-token",
+      bestToken: "",
+      allDebridToken: "",
+      providerPrimary: "megadebrid" as const,
+      providerSecondary: "megadebrid" as const,
+      providerTertiary: "megadebrid" as const,
+      autoProviderFallback: true
+    };
+
+    let calls = 0;
+    globalThis.fetch = (async (input: RequestInfo | URL): Promise<Response> => {
+      calls += 1;
+      const url = typeof input === "string" ? input : input instanceof URL ? input.toString() : input.url;
+      if (url.includes("mega-debrid.eu/api.php?action=getLink") && !url.includes("&link=")) {
+        return new Response(JSON.stringify({ response_code: "UNRESTRICTING_ERROR_1", response_text: "UNRESTRICTING_ERROR_1" }), {
+          status: 200,
+          headers: { "Content-Type": "application/json" }
+        });
+      }
+      if (url.includes("mega-debrid.eu/api.php?action=getLink") && url.includes("&link=")) {
+        return new Response(JSON.stringify({ response_code: "ok", debridLink: "https://mega.example/file2.bin", filename: "file2.bin" }), {
+          status: 200,
+          headers: { "Content-Type": "application/json" }
+        });
+      }
+      return new Response("not-found", { status: 404 });
+    }) as typeof fetch;
+
+    const service = new DebridService(settings);
+    const result = await service.unrestrictLink("https://rapidgator.net/file/abc/name.part1.rar.html");
+    expect(result.provider).toBe("megadebrid");
+    expect(result.fileName).toBe("file2.bin");
+    expect(calls).toBeGreaterThan(1);
+  });
+
   it("respects provider selection and does not append hidden fallback providers", async () => {
     const settings = {
       ...defaultSettings(),