Patch for Fontbase, based off of https://gist.github.com/witchymary/1eeb6595740eb81d3a8e55ac15b74d7d

fontbase-patch.py

#!/usr/bin/env python3
import sys
import os
import re
import argparse

# changelog
# 2022-04-05 Initial
# 2022-04-06 Support AppData/Local installation, make program interactive so it can be run by double-clicking on Windows
# 2022-04-18 Make match independent of variable names
# 2022-05-23 Unlock the advanced options on linux, which are locked by default.
#            This is mainly for unlocking dark mode and friends, so other features might not work.
# 2022-05-24 Add option to disable the unlocking
# 2023-12-06 Update to support FontBase 2.20.1
# 2023-12-14 Update to support FontBase 2.20.7
# 2025-07-10 Update to support Fontbase 2.22.48

FILENAME = "app/dist/app.js"
# Essentially replace the function that has `base64").toString("ascii` into a stub that returns `true`
TARGET = re.compile(r',\w+=\w+\(\[iH\],\(\w+\(\w+\)\{(.*?\"base64\"\)\.toString\(\"ascii\"\).*?)}\)\),', re.DOTALL)
REPLACEMENT = r'return true;'

OPTTARGET = ",\"showAwsm\",\"linux\"!==process.platform"
OPTREPLACEMENT = ",\"showAwsm\",true"

WINPATH = "C:/Program Files/FontBase/resources"
WINPATH_LOCAL = f"C:/Users/{os.getlogin()}/AppData/Local/Programs/FontBase/resources"
LINPATH = "/usr/share/fontbase"

parser = argparse.ArgumentParser()
parser.add_argument("dir", type=str, nargs="?", help="FontBase install directory")
parser.add_argument("--no-wait", action="store_true", help="Don't wait after finishing")

args = parser.parse_args()

def check_installdir(d):
    return os.path.isfile(os.path.join(d, FILENAME))

def quit(*qargs):
    if not args.no_wait:
        input("Press Return to continue...")
    exit(*qargs)

def mismatch_error():
    print("Couldn't find patching target! Version might be incompatible.")
    quit(-1)

def perm_error():
    print("Insufficient permissions - please run with root privileges.")
    quit(-1)

fbpath = None

if args.dir != None:
    fbpath = args.dir
elif os.name == "nt" and check_installdir(WINPATH):
    fbpath = WINPATH
elif os.name == "nt" and check_installdir(WINPATH_LOCAL):
    fbpath = WINPATH_LOCAL
elif os.name == "posix" and check_installdir(LINPATH):
    fbpath = LINPATH

if fbpath == None:
    print("Please specify the path to your FontBase installation's resources folder as an argument, or enter it here! It should contain a folder called \"app\".")
    print(f"Example for Windows: {WINPATH}")
    print(f"Example for Linux: {LINPATH}")
    try:
        while True:
            dir = input("Enter Path: ")
            if check_installdir(dir):
                fbpath = dir
                break
            else:
                print("Invalid path - app.js not found.")
    except KeyboardInterrupt:
        exit()

fname = os.path.join(fbpath, FILENAME)
print(f"FNAME: {fname}")
try:
    with open(fname, encoding="utf-8") as f:
        content = f.read()
except FileNotFoundError:
    mismatch_error()
except PermissionError:
    perm_error()

ms = list(TARGET.finditer(content))
print(f"MS: {ms}")

if not ms:
    print("Regex source not found")
    mismatch_error()

m = ms[0]
if REPLACEMENT in content:
    print("Couldn't find patching target! Application might already have been patched.")
    quit()

content = content.replace(m.group(1), REPLACEMENT)

try:
    with open(fname, "w", encoding="utf-8") as f:
        f.write(content)
except PermissionError:
    perm_error()

print("Success! Restart FontBase if necessary.")
quit()

can u make for new version 2.22.67

can u make for new version 2.25.1 ^_^

I haven't got the time to update this, I also don't use this app anymore...
Try and change the TARGET variable based on the app's code and it would probably work for newer versions.