Improvements for password verify (addresses: https://github.com/iiab/calibre-web/pull/138)

cps/helper.py

@@ -696,15 +696,15 @@ def valid_password(check_password):
         if config.config_password_min_length > 0:
             verify += r"^(?=.{" + str(config.config_password_min_length) + ",}$)"
         if config.config_password_number:
-            verify += "(?=.*?\d)"
+            verify += r"(?=.*?\d)"
         if config.config_password_lower:
-            verify += "(?=.*?[\p{Ll}])"
+            verify += r"(?=.*?[\p{Ll}])"
         if config.config_password_upper:
-            verify += "(?=.*?[\p{Lu}])"
+            verify += r"(?=.*?[\p{Lu}])"
         if config.config_password_character:
-            verify += "(?=.*?[\p{Letter}])"
+            verify += r"(?=.*?[\p{Letter}])"
         if config.config_password_special:
-            verify += "(?=.*?[^\p{Letter}\s0-9])"
+            verify += r"(?=.*?[^\p{Letter}\s0-9])"
         match = regex.match(verify, check_password)
         if not match:
             raise Exception(_("Password doesn't comply with password validation rules"))

cps/static/js/password.js

@@ -24,7 +24,7 @@ $(document).ready(function() {
           },
 
         }, function () {
-        if ($('#password').data("verify")) {
+        if ($('#password').data("verify") === "True") {
             // Initialized and ready to go
             var options = {};
             options.common = {