Further progress on registry UI.

Add package README view support and style adjustments

registry/src/utils.ts

@@ -47,6 +47,8 @@ export const basicauth = (realm: string) => (next: ABC.HandlerFunc) => (
 
       if (config?.user[username]?.password === passwd) {
          console.log("User authenticated!");
+         if (!ctx.customContext) ctx.customContext = {};
+         ctx.customContext.user = username;
          return next(ctx);
       }
    }
@@ -62,6 +64,7 @@ export const basicauth = (realm: string) => (next: ABC.HandlerFunc) => (
 
 export function extractPackagePath(path: string): [string, string | undefined] {
    let packageName = "";
+   path = path.toLowerCase();
    if (path.startsWith("@")) {
       packageName = "@";
       path = path.slice(1);
@@ -84,3 +87,48 @@ export function extractPackagePath(path: string): [string, string | undefined] {
 
    return [packageName, packageVersion];
 }
+
+import db from "./db.ts";
+
+import bucket from "./s3.ts";
+import { S3 } from "./deps.ts";
+
+export async function getFile(
+   pkgName: string,
+   version: string | null | undefined,
+   file: string
+): Promise<Uint8Array | null> {
+   const meta = await db.package.findOne({ name: pkgName });
+
+   if (!meta || meta.versions.length < 1) return null;
+
+   const versions = meta.versions.sort(sortVersions).reverse();
+
+   if (!version) {
+      version = versions[0];
+   } else {
+      const v = versions.filter((e) => e.startsWith(version as string));
+      if (v.length < 1) return null;
+      version = v[0];
+   }
+
+   const bucketPath = (
+      "packages/" +
+      pkgName +
+      "/" +
+      version +
+      "/" +
+      file
+   ).replace(/@/g, "§");
+
+   console.log("Getting file from:", bucketPath);
+
+   try {
+      const data = (await bucket.getObject(bucketPath))?.body;
+      return data;
+   } catch (err) {
+      const msg = err.message as string;
+      if (msg.indexOf("404") >= 0) return null;
+      throw err;
+   }
+}