Fix incorrect email validation

2 files changed, 21 insertions, 6 deletions

diff --git a/indexer/editable_map_object.cpp b/indexer/editable_map_object.cpp
index db2c5c760a..14ae7c01c1 100644
--- a/indexer/editable_map_object.cpp
+++ b/indexer/editable_map_object.cpp
@@ -312,6 +312,15 @@ bool EditableMapObject::ValidateEmail(string const & email)
   if (email.empty())
     return true;
 
+  if (strings::IsASCIIString(email))
+    return regex_match(email, regex(R"([^@\s]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$)"));
+  
+  if ('@' == email.front() || '@' == email.back())
+    return false;
+  
+  if ('.' == email.back())
+    return false;
+  
   auto const atPos = find(begin(email), end(email), '@');
   if (atPos == end(email))
     return false;
@@ -320,14 +329,10 @@ bool EditableMapObject::ValidateEmail(string const & email)
   if (find(next(atPos), end(email), '@') != end(email))
     return false;
 
-  // There should be at least one '.' sign after '@' ...
+  // There should be at least one '.' sign after '@'
   if (find(next(atPos), end(email), '.') == end(email))
     return false;
 
-  // ... not in the end.
-  if (email.back() == '.')
-    return false;
-
   return true;
 }
 }  // namespace osm
diff --git a/indexer/indexer_tests/editable_map_object_test.cpp b/indexer/indexer_tests/editable_map_object_test.cpp
index 332c0f2858..496ff0afd2 100644
--- a/indexer/indexer_tests/editable_map_object_test.cpp
+++ b/indexer/indexer_tests/editable_map_object_test.cpp
@@ -106,10 +106,20 @@ UNIT_TEST(EditableMapObject_ValidateEmail)
   TEST(EditableMapObject::ValidateEmail(""), ());
   TEST(EditableMapObject::ValidateEmail("e@ma.il"), ());
   TEST(EditableMapObject::ValidateEmail("e@ma.i.l"), ());
-
+  TEST(EditableMapObject::ValidateEmail("e-m.ail@dot.com.gov"), ());
+  TEST(EditableMapObject::ValidateEmail("#$%&'*+-/=?^`_{}|~.@dot.qw.com.gov"), ());
+  
   TEST(!EditableMapObject::ValidateEmail("e.ma.il"), ());
   TEST(!EditableMapObject::ValidateEmail("e@ma@il"), ());
   TEST(!EditableMapObject::ValidateEmail("e@ma@i.l"), ());
   TEST(!EditableMapObject::ValidateEmail("e@mail"), ());
+  TEST(!EditableMapObject::ValidateEmail("@email.a"), ());
+  TEST(!EditableMapObject::ValidateEmail("emai.l@"), ());
+  TEST(!EditableMapObject::ValidateEmail("emai@l."), ());
+  TEST(!EditableMapObject::ValidateEmail("e mai@l.com"), ());
+  TEST(!EditableMapObject::ValidateEmail("emai@.l"), ());
+  TEST(!EditableMapObject::ValidateEmail("emai@_l.ab"), ());
+  TEST(!EditableMapObject::ValidateEmail("emai@l_.ab"), ());
+  TEST(!EditableMapObject::ValidateEmail("email@e#$%&'*+-/=?^`_{}|~.com"), ());
 }
 }  // namespace