feat: add gblob scheme support for extension (#1358)

pkg/download/testdata/extensions/gblob/index.js

@@ -0,0 +1,62 @@
+gopeed.events.onResolve(async function (ctx) {
+    if (ctx.req.url.endsWith("/blob")) {
+        const blob = new Blob(["hello world"], {type: "text/plain"});
+        const url = URL.createObjectURL(blob);
+        ctx.res = {
+            name: "gblob-blob",
+            files: [
+                {
+                    name: "hello.txt",
+                    size: 11,
+                    req: {
+                        url,
+                    }
+                }
+            ]
+        };
+        return;
+    }
+
+    const transform = new TransformStream();
+    const writer = transform.writable.getWriter();
+    const url = URL.createObjectURL(transform.writable);
+
+    if (ctx.req.url.endsWith("/stream-unknown")) {
+        (async () => {
+            await writer.write(new TextEncoder().encode("line 1\n"));
+            await new Promise((resolve) => setTimeout(resolve, 120));
+            await writer.write(new TextEncoder().encode("line 2\n"));
+            await writer.close();
+        })();
+
+        ctx.res = {
+            name: "gblob-stream-unknown",
+            files: [
+                {
+                    name: "stream-unknown.txt",
+                    req: {
+                        url,
+                    }
+                }
+            ]
+        };
+        return;
+    }
+
+    await writer.write(new TextEncoder().encode("line 1\n"));
+    await writer.write(new TextEncoder().encode("line 2\n"));
+    await writer.close();
+
+    ctx.res = {
+        name: "gblob-stream",
+        files: [
+            {
+                name: "stream.txt",
+                size: 14,
+                req: {
+                    url,
+                }
+            }
+        ]
+    };
+});

pkg/download/testdata/extensions/gblob/manifest.json

@@ -0,0 +1,16 @@
+{
+  "name": "gblob",
+  "title": "gopeed extension gblob test",
+  "version": "0.0.1",
+  "scripts": [
+    {
+      "event": "onResolve",
+      "match": {
+        "urls": [
+          "*://example.com/*"
+        ]
+      },
+      "entry": "index.js"
+    }
+  ]
+}

pkg/download/testdata/extensions/gblob_recover/index.js

@@ -0,0 +1,42 @@
+gopeed.events.onResolve(async function (ctx) {
+    if (!ctx.req.url.endsWith("/recover")) {
+        return;
+    }
+
+    const transform = new TransformStream();
+    const writer = transform.writable.getWriter();
+    const url = URL.createObjectURL(transform.writable);
+
+    (async () => {
+        await writer.write(new TextEncoder().encode("stale\n"));
+        await new Promise((resolve) => setTimeout(resolve, 50));
+        await writer.abort("expired");
+    })();
+
+    ctx.res = {
+        name: "gblob-recover",
+        files: [
+            {
+                name: "recover.txt",
+                req: {
+                    url,
+                }
+            }
+        ]
+    };
+});
+
+gopeed.events.onError(async function (ctx) {
+    const req = ctx.task.meta.req;
+    if (!req.rawUrl || !req.rawUrl.endsWith("/recover")) {
+        return;
+    }
+    req.labels = req.labels || {};
+    if (req.labels.recovered === "true") {
+        return;
+    }
+
+    req.labels.recovered = "true";
+    req.url = URL.createObjectURL(new Blob(["recovered\n"], { type: "text/plain" }));
+    ctx.task.continue();
+});

pkg/download/testdata/extensions/gblob_recover/manifest.json

@@ -0,0 +1,25 @@
+{
+  "name": "gblob-recover",
+  "title": "gopeed extension gblob recover test",
+  "version": "0.0.1",
+  "scripts": [
+    {
+      "event": "onResolve",
+      "match": {
+        "urls": [
+          "*://example.com/*"
+        ]
+      },
+      "entry": "index.js"
+    },
+    {
+      "event": "onError",
+      "match": {
+        "urls": [
+          "*://example.com/*"
+        ]
+      },
+      "entry": "index.js"
+    }
+  ]
+}