Custom handlers support for whitelist and blacklist

[Issue#] N/A
[Problem] N/A
[Cause] N/A
[Solution] N/A
[Verification] To verify build repo and run custom_handler.wgt test

Change-Id: I65776616193c522b2ace0d9bf76b0ad36bec368c

diff --git a/src/view/webkit/view_logic.cpp b/src/view/webkit/view_logic.cpp
index 81695a7..c2a06ac 100755 (executable)
--- a/src/view/webkit/view_logic.cpp
+++ b/src/view/webkit/view_logic.cpp
@@ -1736,6 +1736,43 @@ void ViewLogic::detachFromCustomHandlersDao()
     }
 }
 
+const int protocolWhiteListLenth = 15;
+char const * const protocolWhiteList[protocolWhiteListLenth] = {
+    "irc",
+    "geo",
+    "mailto",
+    "magnet",
+    "mms",
+    "news",
+    "nntp",
+    "sip",
+    "sms",
+    "smsto",
+    "ssh",
+    "tel",
+    "urn",
+    "webcal",
+    "xmpp"
+};
+
+const int contentBlackListLenth = 14;
+char const * const contentBlackList[contentBlackListLenth] = {
+    "application/x-www-form-urlencoded",
+    "application/xhtml+xml",
+    "application/xml",
+    "image/gif",
+    "image/jpeg",
+    "image/png",
+    "image/svg+xml",
+    "multipart/x-mixed-replace",
+    "text/cache-manifest",
+    "text/css",
+    "text/html",
+    "text/ping",
+    "text/plain",
+    "text/xml"
+};
+
 void ViewLogic::protocolHandlerRegistrationCallback(void* data,
                                                     Evas_Object* obj,
                                                     void* eventInfo)
@@ -1744,7 +1781,43 @@ void ViewLogic::protocolHandlerRegistrationCallback(void* data,
     LogDebug("enter");
     CustomHandlerDB::CustomHandlerPtr customHandler =
             getCustomHandlerFromData(eventInfo);
-    //TODO: whitelist/blacklist
+
+    std::string scheme = DPL::ToUTF8String(customHandler->target);
+    if (scheme.empty()) {
+        LogError("No scheme provided");
+        //TODO what about securityError?
+        return;
+    }
+    bool matched = false;
+    //scheme on whiteList
+    for (int i = 0; i < protocolWhiteListLenth; ++i) {
+        if (0 == strcmp(protocolWhiteList[i], scheme.c_str()))
+        {
+            LogDebug("Match found, protocol can be handled");
+            matched = true;
+        }
+    }
+    if (!matched) {
+        //starts with web+ and have at least 5 chars (lowercase ASCII)
+        if (strncmp("web+", scheme.c_str(), 4) || scheme.length() < 5) {
+            LogWarning("Scheme neither on whitelist nor starts with \"web+\"");
+            //throw SecurityException
+            return;
+        }
+        int l = 4;
+        char c = scheme[l];
+        while (c != '\0')
+        {
+            if (c < 'a' || c > 'z') {
+                LogWarning("Wrong char inside scheme. "
+                           << "Only lowercase ASCII letters accepted");
+                //throw SecurityException
+                return;
+            }
+            c = scheme[++l];
+        }
+    }
+
     ViewLogic* This = static_cast<ViewLogic*>(data);
     LogDebug("Creating handlers dao");
     This->attachToCustomHandlersDao();
@@ -1765,6 +1838,8 @@ void ViewLogic::protocolHandlerRegistrationCallback(void* data,
         handlersDao.registerProtocolHandler(*(customHandler.get()));
         LogDebug("Protocal saved");
     }
+
+    // TODO to be continued...
 }
 
 void ViewLogic::protocolHandlerIsRegisteredCallback(void* data,
@@ -1793,7 +1868,22 @@ void ViewLogic::contentHandlerRegistrationCallback(void* data,
     LogDebug("enter");
     CustomHandlerDB::CustomHandlerPtr customHandler =
             getCustomHandlerFromData(eventInfo);
-    //TODO: whitelist/blacklist
+
+    std::string mimeType = DPL::ToUTF8String(customHandler->target);
+    if (mimeType.empty()) {
+        LogError("No mimeType provided.");
+        return;
+    }
+    for (int i = 0; i < contentBlackListLenth; ++i)
+    {
+        if (0 == strcmp(contentBlackList[i], mimeType.c_str()))
+        {
+            LogWarning("mimeType blacklisted");
+            //throw SecurityException
+            return;
+        }
+    }
+
     ViewLogic* This = static_cast<ViewLogic*>(data);
     LogDebug("Creating handlers dao");
     This->attachToCustomHandlersDao();
@@ -1814,6 +1904,8 @@ void ViewLogic::contentHandlerRegistrationCallback(void* data,
         handlersDao.registerContentHandler(*(customHandler.get()));
         LogDebug("Content saved");
     }
+
+    // TODO to be continued...
 }
 
 void ViewLogic::contentHandlerIsRegisteredCallback(void* data,