feat: generate breached passwords script

backend/database/generatePasswords.py

@@ -0,0 +1,40 @@
+import random
+import string
+import csv
+
+'''
+Generates 20 passwords between 10-24 characters that contain:
+- at least 1 lowercase letter
+- at least 1 uppercase letter
+- at least 1 digit
+- 1 special character
+
+since when presented with these requirements, most users choose 1 special character and fill in the rest of the characters with letters and digits. Writes to passwords to a csv file.
+'''
+passwords, i = [], 0
+while i < 20:
+    # meet requirements:
+    password = random.choice(string.ascii_lowercase) # select 1 lowercase
+    password += random.choice(string.ascii_uppercase) # select 1 uppercase
+    password += random.choice(string.digits) # select 1 digit
+    password += random.choice(string.punctuation) # select 1 special symbol
+
+    # generate other characters
+    random_source = string.ascii_letters + string.digits
+    r = random.randint(6,20)
+    for _ in range(r):
+        password += random.choice(random_source)
+
+    # shuffle all characters
+    password_list = list(password)
+    random.SystemRandom().shuffle(password_list)
+    password = ''.join(password_list)
+
+    if password not in passwords:
+        passwords.append(password)
+        i += 1
+
+# write to csv file
+with open('./backend/database/breachedPasswords.csv', 'w', newline='') as csvfile:
+    writer = csv.writer(csvfile, delimiter = '\n')
+    writer.writerow(passwords)