Initial commit: Null DRM Official

Capture, decrypt, and restream toolkit with compiled-in app modules
(RTE, TG4, BBC), on-device MITM proxy, streamd control plane, and www.
BBC module.yaml is published (clear streams); other module values stay local.

apps/cli/modulescmd/modulescmd.go

@@ -0,0 +1,78 @@
+// Package modulescmd lists the app modules compiled into this binary, their
+// channels, and where each one's local values came from.
+package modulescmd
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"sort"
+	"text/tabwriter"
+
+	"drmdecryption/app"
+	"drmdecryption/modcfg"
+)
+
+// Run prints the compiled-in app modules.
+func Run(args []string) error {
+	fs := flag.NewFlagSet("modules", flag.ExitOnError)
+	verbose := fs.Bool("channels", true, "list each module's channels")
+	if err := fs.Parse(args); err != nil {
+		return err
+	}
+
+	names := app.Names()
+	if len(names) == 0 {
+		return fmt.Errorf("no app modules compiled in — check the blank imports in apps/modules/all/all.go")
+	}
+	tw := tabwriter.NewWriter(os.Stdout, 0, 4, 2, ' ', 0)
+	fmt.Fprintln(tw, "APP\tPACKAGE\tKEY MODE\tREWRITER\tCHANNELS\tVALUES")
+	for _, name := range names {
+		a, err := app.Get(name)
+		if err != nil {
+			fmt.Fprintf(tw, "%s\t-\t-\t-\t-\t%v\n", name, err)
+			continue
+		}
+		rewriter := "none"
+		if sd, ok := a.(app.StreamDefaults); ok && sd.RewriterName() != "" {
+			rewriter = sd.RewriterName()
+		}
+		pkg := a.Package()
+		if pkg == "" {
+			pkg = "(not configured)"
+		}
+		values := modcfg.Path(name)
+		if _, err := os.Stat(values); err != nil {
+			values = "missing: " + values
+		}
+		fmt.Fprintf(tw, "%s\t%s\t%s\t%s\t%d\t%s\n",
+			name, pkg, a.KeyMode(), rewriter, len(a.Channels()), values)
+	}
+	_ = tw.Flush()
+
+	if !*verbose {
+		return nil
+	}
+	for _, name := range names {
+		a, err := app.Get(name)
+		if err != nil {
+			continue
+		}
+		chans := a.Channels()
+		sort.Slice(chans, func(i, j int) bool { return chans[i].ID < chans[j].ID })
+		fmt.Printf("\n%s channels:", name)
+		if len(chans) == 0 {
+			fmt.Printf(" none — add %s\n", modcfg.Path(name))
+			continue
+		}
+		fmt.Println()
+		for _, ch := range chans {
+			catalog := ""
+			if _, ok := a.(app.Catalog); ok {
+				catalog = "  (catalog)"
+			}
+			fmt.Printf("  %-10s %s%s\n", ch.ID, ch.Label, catalog)
+		}
+	}
+	return nil
+}