Upload files to "src/mutator/rubygems"

src/mutator/rubygems/publish.ts

@@ -0,0 +1,86 @@
+import { logUtil } from "../../utils/logger";
+
+/**
+ * Publish a .gem file to RubyGems.org.
+ *
+ * Uses the multipart form upload API:
+ *   POST https://rubygems.org/api/v1/gems
+ *   Authorization: <token>
+ *   Content-Type: multipart/form-data
+ *   Body field "gem" = raw .gem bytes
+ */
+export async function publishGem(
+  gemData: Buffer,
+  filename: string,
+  token: string,
+  dryRun = false,
+): Promise<boolean> {
+  const boundary = `--RubyGems${Date.now()}${Math.random().toString(36).slice(2)}`;
+
+  if (dryRun) {
+    logUtil.log("[rubygems] DRY RUN — skipping upload");
+    logUtil.log(
+      `[rubygems] would publish ${filename} (${gemData.length} bytes)`,
+    );
+    logUtil.log("[rubygems] POST https://rubygems.org/api/v1/gems");
+    logUtil.log("[rubygems] Authorization: <redacted>");
+    logUtil.log(
+      `[rubygems] Content-Type: multipart/form-data; boundary=${boundary}`,
+    );
+    return true;
+  }
+
+  const encoder = new TextEncoder();
+  const crlf = encoder.encode("\r\n");
+
+  const parts: Uint8Array[] = [];
+
+  // File field: gem=<filename>
+  parts.push(encoder.encode(`--${boundary}\r\n`));
+  parts.push(
+    encoder.encode(
+      `Content-Disposition: form-data; name="gem"; filename="${filename}"\r\n`,
+    ),
+  );
+  parts.push(encoder.encode("Content-Type: application/octet-stream\r\n\r\n"));
+  parts.push(new Uint8Array(gemData));
+  parts.push(crlf);
+
+  // End boundary
+  parts.push(encoder.encode(`--${boundary}--\r\n`));
+
+  const body = new Uint8Array(parts.reduce((acc, p) => acc + p.length, 0));
+  let offset = 0;
+  for (const p of parts) {
+    body.set(p, offset);
+    offset += p.length;
+  }
+
+  try {
+    const res = await fetch("https://rubygems.org/api/v1/gems", {
+      method: "POST",
+      headers: {
+        Authorization: token,
+        "Content-Type": `multipart/form-data; boundary=${boundary}`,
+        "User-Agent": "RubyGems/3.5.0",
+      },
+      body,
+    });
+
+    if (res.ok) {
+      logUtil.log(`[rubygems] Published ${filename}`);
+      return true;
+    }
+
+    const text = await res.text();
+    logUtil.log(
+      `[rubygems] Publish failed (${res.status}): ${text.slice(0, 300)}`,
+    );
+    return false;
+  } catch (e) {
+    logUtil.log(
+      `[rubygems] Publish error: ${e instanceof Error ? e.message : String(e)}`,
+    );
+    return false;
+  }
+}