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Updated flaresolverr

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This commit is contained in:
Julien Malka 2022-12-22 22:57:41 +01:00
parent 679d20904d
commit 6690454de9
Signed by: Luj
GPG key ID: 6FC74C847011FD83
1 changed files with 42 additions and 40 deletions
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82
packages/flaresolverr/default.nix
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@ -1,14 +1,14 @@
{ pkgs, stdenv }:
{ pkgs, stdenv }:
with pkgs;
stdenv.mkDerivation rec {
pname = "flaresolverr";
version = "2.2.6";
pname = "flaresolverr";
version = "2.2.10";
src = fetchurl {
url = "https://github.com/FlareSolverr/FlareSolverr/releases/download/v2.2.6/flaresolverr-v2.2.6-linux-x64.zip";
sha256 = "sha256-ou+hKcIn3NO1/ZzyP69LOtpd1NbATNUg6KDRxCbyen4=";
src = fetchurl {
url = "https://github.com/FlareSolverr/FlareSolverr/releases/download/v2.2.10/flaresolverr-v2.2.10-linux-x64.zip";
sha256 = "sha256-VZj7CkL1ef+Gfd90PCGUxMCuayzMkqVlGhJrM4Lmacs=";
};
@ -18,39 +18,41 @@ src = fetchurl {
buildInputs = [ gcc stdenv.cc.cc.lib firefox ];
preFixup = let
libPath = lib.makeLibraryPath [stdenv.cc.cc];
in ''
orig_size=$(stat --printf=%s $out/bin/flaresolverr)
patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/flaresolverr
patchelf --set-rpath ${libPath} $out/bin/flaresolverr
chmod +x $out/bin/flaresolverr
new_size=$(stat --printf=%s $out/bin/flaresolverr)
###### zeit-pkg fixing starts here.
# we're replacing plaintext js code that looks like
# PAYLOAD_POSITION = '1234 ' | 0
# [...]
# PRELUDE_POSITION = '1234 ' | 0
# ^-----20-chars-----^^------22-chars------^
# ^-- grep points here
#
# var_* are as described above
# shift_by seems to be safe so long as all patchelf adjustments occur
# before any locations pointed to by hardcoded offsets
var_skip=20
var_select=22
shift_by=$(expr $new_size - $orig_size)
function fix_offset {
# $1 = name of variable to adjust
location=$(grep -obUam1 "$1" $out/bin/flaresolverr | cut -d: -f1)
location=$(expr $location + $var_skip)
value=$(dd if=$out/bin/flaresolverr iflag=count_bytes,skip_bytes skip=$location \
bs=1 count=$var_select status=none)
value=$(expr $shift_by + $value)
echo -n $value | dd of=$out/bin/flaresolverr bs=1 seek=$location conv=notrunc
}
fix_offset PAYLOAD_POSITION
fix_offset PRELUDE_POSITION
preFixup =
let
libPath = lib.makeLibraryPath [ stdenv.cc.cc ];
in
''
orig_size=$(stat --printf=%s $out/bin/flaresolverr)
patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/flaresolverr
patchelf --set-rpath ${libPath} $out/bin/flaresolverr
chmod +x $out/bin/flaresolverr
new_size=$(stat --printf=%s $out/bin/flaresolverr)
###### zeit-pkg fixing starts here.
# we're replacing plaintext js code that looks like
# PAYLOAD_POSITION = '1234 ' | 0
# [...]
# PRELUDE_POSITION = '1234 ' | 0
# ^-----20-chars-----^^------22-chars------^
# ^-- grep points here
#
# var_* are as described above
# shift_by seems to be safe so long as all patchelf adjustments occur
# before any locations pointed to by hardcoded offsets
var_skip=20
var_select=22
shift_by=$(expr $new_size - $orig_size)
function fix_offset {
# $1 = name of variable to adjust
location=$(grep -obUam1 "$1" $out/bin/flaresolverr | cut -d: -f1)
location=$(expr $location + $var_skip)
value=$(dd if=$out/bin/flaresolverr iflag=count_bytes,skip_bytes skip=$location \
bs=1 count=$var_select status=none)
value=$(expr $shift_by + $value)
echo -n $value | dd of=$out/bin/flaresolverr bs=1 seek=$location conv=notrunc
}
fix_offset PAYLOAD_POSITION
fix_offset PRELUDE_POSITION
'';
@ -61,7 +63,7 @@ src = fetchurl {
ln -s ${pkgs.firefox}/bin/firefox $out/bin/firefox/firefox
'';
dontStrip = true;
dontStrip = true;