perf: 随机密码生成规则添加可排除字符选项

apps/accounts/serializers/account/template.py

@@ -15,6 +15,7 @@ class PasswordRulesSerializer(serializers.Serializer):
     uppercase = serializers.BooleanField(default=True, label=_('Uppercase'))
     digit = serializers.BooleanField(default=True, label=_('Digit'))
     symbol = serializers.BooleanField(default=True, label=_('Special symbol'))
+    exclude_symbols = serializers.CharField(default='', max_length=16, label=_('Exclude symbol'))
 
 
 class AccountTemplateSerializer(BaseAccountSerializer):

apps/accounts/utils.py

@@ -30,7 +30,8 @@ class SecretGenerator:
             'lower': rules['lowercase'],
             'upper': rules['uppercase'],
             'digit': rules['digit'],
-            'special_char': rules['symbol']
+            'special_char': rules['symbol'],
+            'exclude_chars': rules['exclude_symbols']
         }
         return random_string(**rules)
 

apps/common/utils/random.py

@@ -32,7 +32,16 @@ def random_replace_char(s, chars, length):
     return ''.join(seq)
 
 
-def random_string(length: int, lower=True, upper=True, digit=True, special_char=False, symbols=string_punctuation):
+def remove_exclude_char(s, exclude_chars):
+    for i in exclude_chars:
+        s = s.replace(i, '')
+    return s
+
+
+def random_string(
+        length: int, lower=True, upper=True, digit=True,
+        special_char=False, exclude_chars='', symbols=string_punctuation
+):
     if not any([lower, upper, digit]):
         raise ValueError('At least one of `lower`, `upper`, `digit` must be `True`')
     if length < 4:
@@ -44,11 +53,13 @@ def random_string(length: int, lower=True, upper=True, digit=True, special_char=
         (digit, string.digits),
     )
     chars = ''.join([i[1] for i in chars_map if i[0]])
+    chars = remove_exclude_char(chars, exclude_chars)
     texts = list(secrets.choice(chars) for __ in range(length))
     texts = ''.join(texts)
 
     # 控制一下特殊字符的数量, 别随机出来太多
     if special_char:
+        symbols = remove_exclude_char(symbols, exclude_chars)
         symbol_num = length // 16 + 1
         texts = random_replace_char(texts, symbols, symbol_num)
     return texts