Cookie Jar: allow setting cookies on "file" URLs.

* These are shared with HTTP cookies set for localhost. We probably want
to split them apart later on, so cookies should store and check the
protocol, additionally to the path and domain.
* Fixes #10195.

src/kits/network/libnetapi/NetworkCookie.cpp

@@ -38,6 +38,13 @@ BNetworkCookie::BNetworkCookie(const char* name, const char* value,
 	fValue = value;
 
 	SetDomain(url.Host());
+
+    if(url.Protocol() == "file" && url.Host().Length() == 0)
+    {
+        SetDomain("localhost");
+            // make sure cookies set from a file:// URL are stored somewhere.
+    }
+
 	SetPath(_DefaultPathForUrl(url));
 }
 
@@ -93,6 +100,13 @@ BNetworkCookie::ParseCookieString(const BString& string, const BUrl& url)
 	SetPath(_DefaultPathForUrl(url));
 	SetDomain(url.Host());
 	fHostOnly = true;
+    if(url.Protocol() == "file" && url.Host().Length() == 0)
+    {
+        fDomain = "localhost";
+            // make sure cookies set from a file:// URL are stored somewhere.
+            // not going through SetDomain as it requires at least one '.'
+            // in the domain (to avoid setting cookies on TLDs).
+    }
 
 	BString name;
 	BString value;
@@ -166,13 +180,12 @@ BNetworkCookie::ParseCookieString(const BString& string, const BUrl& url)
 		}
 	}
 
-	if (!IsValidForDomain(url.Host())) {
+	if (!IsValidForUrl(url)) {
 		// Invalidate the cookie.
 		_Reset();
 		return B_NOT_ALLOWED;
 	}
 
-
 	return result;
 }
 
@@ -423,6 +436,9 @@ BNetworkCookie::IsValidForUrl(const BUrl& url) const
 	if (Secure() && url.Protocol() != "https")
 		return false;
 
+    if (url.Protocol() == "file")
+        return Domain() == "localhost" && IsValidForPath(url.Path());
+
 	return IsValidForDomain(url.Host()) && IsValidForPath(url.Path());
 }
 

src/kits/network/libnetapi/NetworkCookieJar.cpp

@@ -591,8 +591,12 @@ BNetworkCookieJar::UrlIterator::UrlIterator(const BNetworkCookieJar* cookieJar,
 {
 	BString domain = url.Host();
 
-	if (!domain.Length())
-		return;
+	if (!domain.Length()) {
+        if (url.Protocol() == "file")
+            domain = "localhost";
+        else
+		    return;
+    }
 
 	fIterator = new(std::nothrow) PrivateIterator(
 		fCookieJar->fCookieHashMap->fHashMap.GetIterator());