password generation: added "complexity" to the generated password by including more character classes

register.py

@@ -23,8 +23,16 @@ HOST = config.HOST
 ADMIN_TOKEN = config.ADMIN_TOKEN
 
 
-def rand_str(n) -> str:
-    return ''.join([random.choice(string.ascii_lowercase) for _ in range(n)])
+def rand_password(n: int) -> str:
+    """
+    Vraci string, ktery splnuje pozadavky Gitey na slozitost hesel a pri tom je dostatecne nahodny.
+
+    @param n Delka nahodne casti retezce
+    """
+
+    req_compliance_str = 'Aa1!@'
+    rnd_str = ''.join([random.choice(string.ascii_letters) for _ in range(n)])
+    return req_compliance_str + rnd_str
 
 
 def text_red(text) -> str:
@@ -190,7 +198,7 @@ def register(username: str, seminar: str, fullname: str, email: str, host, admin
 
     # pripravime si uzivatele na zalozeni
     create_user_req = CreateUserOption(email=email, full_name=fullname, username=username,
-                                       password=rand_str(20))
+                                       password=rand_password(20))
 
     # provedeme zmeny v systemu
     user = checked_api_action(lambda: admin_api.admin_create_user(body=create_user_req), "Zakladam noveho uzivatele...")