1 files changed, 62 insertions, 0 deletions
diff --git a/unrefactored/utility.py b/unrefactored/utility.py
new file mode 100644
index 0000000..e48c069
--- /dev/null
+++ b/unrefactored/utility.py
@@ -0,0 +1,62 @@
+import dbus
+
+def is_address_valid(addr):
+    """
+    Validate e-mail addresses based on lexical rules set forth in RFC 822
+    Ported from Recipe 3.9 in Secure Programming Cookbook for C and C++ by
+    John Viega and Matt Messier (O'Reilly 2003)
+    """
+
+    # Mail variables
+    rfc822_specials = '()<>@,;:\\"[]'
+
+    c = 0
+    while c < len(addr):
+        if addr[c] == '"' and (not c or addr[c - 1] == '.' or addr[c - - 1] == '"'):
+            c = c + 1
+            while c < len(addr):
+                if addr[c] == '"': break
+                if addr[c] == '\\' and addr[c + 1] == ' ':
+                    c = c + 2
+                    continue
+                if ord(addr[c]) < 32 or ord(addr[c]) >= 127: return 0
+                c = c + 1
+            else: return 0
+            if addr[c] == '@': break
+            if addr[c] != '.': return 0
+            c = c + 1
+            continue
+        if addr[c] == '@': break
+        if ord(addr[c]) <= 32 or ord(addr[c]) >= 127: return 0
+        if addr[c] in rfc822_specials: return 0
+        c = c + 1
+    if not c or addr[c - 1] == '.': return 0
+
+    # Next we validate the domain portion (name at domain)
+    domain = c = c + 1
+    if domain >= len(addr): return 0
+    count = 0
+    while c < len(addr):
+        if addr[c] == '.':
+            if c == domain or addr[c - 1] == '.': return 0
+            count = count + 1
+        if ord(addr[c]) <= 32 or ord(addr[c]) >= 127: return 0
+        if addr[c] in rfc822_specials: return 0
+        c = c + 1
+
+    return count >= 1
+
+def flatten(msg):
+    from email.generator import Generator
+    from cStringIO import StringIO
+    fp = StringIO()
+    g = Generator(fp, mangle_from_=False, maxheaderlen=60)
+    g.flatten(msg)
+    flattened_msg = fp.getvalue()
+    return flattened_msg
+
+def check_online():
+    'returns True if active network connection, False otherwise'
+    bus = dbus.SystemBus()
+    proxy = bus.get_object('org.freedesktop.NetworkManager', '/org/freedesktop/NetworkManager')        
+    return (proxy.state()==3)