added password validator

2 files changed, 31 insertions, 0 deletions

diff --git a/src/edify/library/__init__.py b/src/edify/library/__init__.py
index fe1f116..62d6528 100644
--- a/src/edify/library/__init__.py
+++ b/src/edify/library/__init__.py
@@ -12,3 +12,4 @@ from .url import url
 from .uuid import uuid
 from .zip import zip
 from .guid import guid
+from .password import password
diff --git a/src/edify/library/password.py b/src/edify/library/password.py
new file mode 100644
index 0000000..85ef09c
--- /dev/null
+++ b/src/edify/library/password.py
@@ -0,0 +1,30 @@
+import re
+
+def password(password: str, min_length: int = 8, max_length: int = 64, min_upper: int = 1, min_lower: int = 1, min_digit: int = 1, min_special: int = 1, special_chars: str = "!@#$%^&*()_+-=[]{}|;':\",./<>?") -> bool:
+    """Check if the given string is a valid password.
+
+    Args:
+        password (str): The string to check.
+        min_length (int): The minimum length of the password.
+        max_length (int): The maximum length of the password.
+        min_upper (int): The minimum number of upper case characters.
+        min_lower (int): The minimum number of lower case characters.
+        min_digit (int): The minimum number of digits.
+        min_special (int): The minimum number of special characters.
+        special_chars (str): The special characters to check for.
+
+    Returns:
+        bool: True if the string is a valid password, False otherwise.
+    """
+    if len(password) < min_length or len(password) > max_length:
+        return False
+
+    upper = re.findall("[A-Z]", password or "")
+    lower = re.findall("[a-z]", password or "")
+    digit = re.findall("[0-9]", password or "")
+    special = [c for c in password if c in special_chars]
+
+    if len(upper) < min_upper or len(lower) < min_lower or len(digit) < min_digit or len(special) < min_special:
+        return False
+
+    return True