1 files changed, 39 insertions, 0 deletions
diff --git a/src/leap/util/web.py b/src/leap/util/web.py
new file mode 100644
index 00000000..b2aef058
--- /dev/null
+++ b/src/leap/util/web.py
@@ -0,0 +1,39 @@
+"""
+web related utilities
+"""
+
+
+class UsageError(Exception):
+    """ """
+
+
+def get_https_domain_and_port(full_domain):
+    """
+    returns a tuple with domain and port
+    from a full_domain string that can
+    contain a colon
+    """
+    if full_domain is None:
+        return None, None
+
+    https_sch = "https://"
+    http_sch = "http://"
+
+    if full_domain.startswith(https_sch):
+        full_domain = full_domain.lstrip(https_sch)
+    elif full_domain.startswith(http_sch):
+        raise UsageError(
+            "cannot be called with a domain "
+            "that begins with 'http://'")
+
+    domain_split = full_domain.split(':')
+    _len = len(domain_split)
+    if _len == 1:
+        domain, port = full_domain, 443
+    elif _len == 2:
+        domain, port = domain_split
+    else:
+        raise UsageError(
+            "must be called with one only parameter"
+            "in the form domain[:port]")
+    return domain, port