add option to shorten passphrase

config.py

@@ -159,6 +159,7 @@ def build_config(_config_file):
                     'URL': config.get(section, 'URL'),
                     'APPEND_INT': config.getint(section, 'APPEND_INT'),
                     'SHARED_SECRET': config.get(section, 'SHARED_SECRET'),
+                    'SHORTEN_PASSPHRASE': config.getboolean(section, 'SHORTEN_PASSPHRASE'),
 
                 })
 

hblink-SAMPLE.cfg

@@ -148,6 +148,8 @@ URL: http://localhost:8080/auth
 APPEND_INT: 1
 # Secret used to authenticate with user managment server, before checking if user login is approved
 SHARED_SECRET: test
+# Shorten passphrases to 8 characters
+SHORTEN_PASSPHRASE: False
 
 
 # MASTER INSTANCES - DUPLICATE SECTION FOR MULTIPLE MASTERS

user_managment/app.py

@@ -30,7 +30,11 @@ script_links = {}
 def gen_passphrase(dmr_id):
     _new_peer_id = bytes_4(int(str(dmr_id)[:7]))
     calc_passphrase = base64.b64encode(bytes.fromhex(str(hex(libscrc.ccitt((_new_peer_id) + append_int.to_bytes(2, 'big') + bytes.fromhex(str(hex(libscrc.posix((_new_peer_id) + append_int.to_bytes(2, 'big'))))[2:].zfill(8)))))[2:].zfill(4)) + (_new_peer_id) + append_int.to_bytes(2, 'big') + bytes.fromhex(str(hex(libscrc.posix((_new_peer_id) + append_int.to_bytes(2, 'big'))))[2:].zfill(8)))
-    return str(calc_passphrase)[2:-1]
+    print(calc_passphrase)
+    if use_short_passphrase == True:
+        return str(calc_passphrase)[-9:-1]
+    elif use_short_passphrase ==False:
+        return str(calc_passphrase)[2:-1]
 
 def get_ids(callsign):
     try:

user_managment/config-SAMPLE.py

@@ -8,6 +8,8 @@ db_location = 'sqlite:///./users.db'
 # Legacy passphrase used in hblink.cfg
 legacy_passphrase = 'passw0rd'
 
+# Trim passphrases to 8 characters
+use_short_passphrase = False
 
 # Title of the Dashboard
 title = 'MMDVM User Portal'