initial package for TREZOR browser plugin

This plugin allows a browser to access a TREZOR device.
It requires a udev rule and a wrapped browser to operate.

Closes #3475

pkgs/applications/networking/browsers/mozilla-plugins/trezor/default.nix

···
+{ stdenv, fetchurl, dpkg, zlib }:
+
+assert stdenv.system == "x86_64-linux" || stdenv.system == "i686-linux";
+
+stdenv.mkDerivation {
+  name = "TREZOR-bridge-1.0.5";
+
+  passthru = {
+    mozillaPlugin = "/lib/mozilla/plugins";
+  };
+
+  src =
+    if stdenv.system == "x86_64-linux" then
+      fetchurl {
+        url    = https://mytrezor.com/data/plugin/1.0.5/browser-plugin-trezor_1.0.5_amd64.deb;
+        sha256 = "0097h4v88yca4aayzprrh4pk03xvvj7ncz2mi83chm81gsr2v67z";
+      }
+    else
+      fetchurl {
+        url    = https://mytrezor.com/data/plugin/1.0.5/browser-plugin-trezor_1.0.5_i386.deb;
+        sha256 = "0xzbq78s3ivg00f0bj6gyjgf47pvjx2l4mm05jjmdar60bf1xr1n";
+      };
+
+  phases = [ "unpackPhase" "installPhase" "fixupPhase" ];
+
+  dontStrip = true;
+  dontPatchELF = true;
+
+  unpackPhase = "${dpkg}/bin/dpkg-deb -x $src .";
+
+  installPhase = ''
+    mkdir -p $out/etc/udev/rules.d/ $out/lib/mozilla/plugins
+    cp ./lib/udev/rules.d/51-trezor-udev.rules $out/etc/udev/rules.d/
+    cp ./usr/lib/mozilla/plugins/npBitcoinTrezorPlugin.so $out/lib/mozilla/plugins
+  '';
+
+  meta = with stdenv.lib;
+    { description = "Plugin for browser to TREZOR device communication";
+      homepage = https://mytrezor.com;
+      license = licenses.unfree;
+      maintainers = with maintainers; [ emery ];
+    };
+
+}

pkgs/top-level/all-packages.nix

···
 
   tree = callPackage ../tools/system/tree {};
 
+  trezor-bridge = callPackage ../applications/networking/browsers/mozilla-plugins/trezor { };
+
   tribler = callPackage ../applications/networking/p2p/tribler { };
 
   twister = callPackage ../applications/networking/p2p/twister { };
···
           ++ lib.optional (cfg.enableGoogleTalkPlugin or false) google_talk_plugin
           ++ lib.optional (cfg.enableFriBIDPlugin or false) fribid
           ++ lib.optional (cfg.enableGnomeExtensions or false) gnome3.gnome_shell
+          ++ lib.optional (cfg.enableTrezor or false) trezor-bridge
          );
       libs = [ gstreamer gst_plugins_base ] ++ lib.optionals (cfg.enableQuakeLive or false)
              (with xlibs; [ stdenv.gcc libX11 libXxf86dga libXxf86vm libXext libXt alsaLib zlib ]);