This is what JetBrains uses(used?) for encoding webServers.xml and other configs

jetbrains_encoding.py

# Source file:
# http://git.jetbrains.org/?p=idea/community.git;a=blob_plain;f=platform/platform-api/src/com/intellij/openapi/util/PasswordUtil.java;hb=HEAD
# PasswordUtil.decodePassword
def decode_jebtrains(encoded):
    out = ''
    for i in range(0, len(encoded), 4):
        out += chr(int(encoded[i:i+4], 16) ^ 57258)
    return out
   
# PasswordUtil.encodePassword
def encode_jebtrains(password):
    out = ''
    for i in range(0, len(password)):
        out += hex(ord(password[i]) ^ 57258).replace('0x', '')
    return out