chromium: Remove the Adobe Flash Player plugin support

The Flash support was completely removed in Chromium M88:
- https://www.chromium.org/flash-roadmap#TOC-Flash-Support-Removed-from-Chromium-Target:-Chrome-88---Jan-2021-
- https://chromestatus.com/feature/5643527180517376

See #110314.

2 files changed, 1 insertions, 100 deletions

diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index 900e823bb75d..79899d822b00 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -12,7 +12,6 @@
 , gnomeSupport ? false, gnome ? null
 , gnomeKeyringSupport ? false
 , proprietaryCodecs ? true
-, enablePepperFlash ? false
 , enableWideVine ? false
 , enableVaapi ? false # Disabled by default due to unofficial support
 , ungoogled ? false # Whether to build chromium or ungoogled-chromium
@@ -45,10 +44,6 @@ let
 
     browser = callPackage ./browser.nix { inherit channel enableWideVine ungoogled; };
 
-    plugins = callPackage ./plugins.nix {
-      inherit enablePepperFlash;
-    };
-
     ungoogled-chromium = callPackage ./ungoogled.nix {};
   };
 
@@ -166,7 +161,6 @@ in stdenv.mkDerivation {
 
   buildCommand = let
     browserBinary = "${chromiumWV}/libexec/chromium/chromium";
-    getWrapperFlags = plugin: "$(< \"${plugin}/nix-support/wrapper-flags\")";
     libPath = lib.makeLibraryPath [ libva pipewire_0_2 ];
 
   in with lib; ''
@@ -174,8 +168,7 @@ in stdenv.mkDerivation {
 
     eval makeWrapper "${browserBinary}" "$out/bin/chromium" \
       --add-flags ${escapeShellArg (escapeShellArg commandLineArgs)} \
-      ${lib.optionalString enableVaapi "--add-flags --enable-accelerated-video-decode"} \
-      ${concatMapStringsSep " " getWrapperFlags chromium.plugins.enabled}
+      ${lib.optionalString enableVaapi "--add-flags --enable-accelerated-video-decode"}
 
     ed -v -s "$out/bin/chromium" << EOF
     2i
diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
deleted file mode 100644
index 355f56331720..000000000000
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ /dev/null
@@ -1,92 +0,0 @@
-{ lib, stdenv, gcc
-, jshon
-, glib
-, nspr
-, nss
-, fetchzip
-, enablePepperFlash ? false
-
-, upstream-info
-}:
-
-with lib;
-
-let
-  mkrpath = p: "${makeSearchPathOutput "lib" "lib64" p}:${makeLibraryPath p}";
-
-  # Generate a shell fragment that emits flags appended to the
-  # final makeWrapper call for wrapping the browser's main binary.
-  #
-  # Note that this is shell-escaped so that only the variable specified
-  # by the "output" attribute is substituted.
-  mkPluginInfo = { output ? "out", allowedVars ? [ output ]
-                 , flags ? [], envVars ? {}
-                 }: let
-    shSearch = ["'"] ++ map (var: "@${var}@") allowedVars;
-    shReplace = ["'\\''"] ++ map (var: "'\"\${${var}}\"'") allowedVars;
-    # We need to triple-escape "val":
-    #  * First because makeWrapper doesn't do any quoting of its arguments by
-    #    itself.
-    #  * Second because it's passed to the makeWrapper call separated by IFS but
-    #    not by the _real_ arguments, for example the Widevine plugin flags
-    #    contain spaces, so they would end up as separate arguments.
-    #  * Third in order to be correctly quoted for the "echo" call below.
-    shEsc = val: "'${replaceStrings ["'"] ["'\\''"] val}'";
-    mkSh = val: "'${replaceStrings shSearch shReplace (shEsc val)}'";
-    mkFlag = flag: ["--add-flags" (shEsc flag)];
-    mkEnvVar = key: val: ["--set" (shEsc key) (shEsc val)];
-    envList = mapAttrsToList mkEnvVar envVars;
-    quoted = map mkSh (flatten ((map mkFlag flags) ++ envList));
-  in ''
-    mkdir -p "''$${output}/nix-support"
-    echo ${toString quoted} > "''$${output}/nix-support/wrapper-flags"
-  '';
-
-  flash = stdenv.mkDerivation rec {
-    pname = "flashplayer-ppapi";
-    version = "32.0.0.465";
-
-    src = fetchzip {
-      url = "https://fpdownload.adobe.com/pub/flashplayer/pdc/${version}/flash_player_ppapi_linux.x86_64.tar.gz";
-      sha256 = "16qbc2s8dg2rwggphf8f5665iccc6lrvgz45bdwskg9pwg87hlj1";
-      stripRoot = false;
-    };
-
-    patchPhase = ''
-      chmod +x libpepflashplayer.so
-      patchelf --set-rpath "${mkrpath [ gcc.cc ]}" libpepflashplayer.so
-    '';
-
-    doCheck = true;
-    checkPhase = ''
-      ! find -iname '*.so' -exec ldd {} + | grep 'not found'
-    '';
-
-    installPhase = ''
-      flashVersion="$(
-        "${jshon}/bin/jshon" -F manifest.json -e version -u
-      )"
-
-      install -vD libpepflashplayer.so "$out/lib/libpepflashplayer.so"
-
-      ${mkPluginInfo {
-        allowedVars = [ "out" "flashVersion" ];
-        flags = [
-          "--ppapi-flash-path=@out@/lib/libpepflashplayer.so"
-          "--ppapi-flash-version=@flashVersion@"
-        ];
-      }}
-    '';
-
-    dontStrip = true;
-
-    meta = {
-      license = lib.licenses.unfree;
-      maintainers = with lib.maintainers; [ taku0 ];
-      platforms = platforms.x86_64;
-    };
-  };
-
-in {
-  enabled = optional enablePepperFlash flash;
-}