remove redundant path policy check

magick/string.c

@@ -1009,20 +1009,7 @@ MagickExport char *FileToString(const char *filename,const size_t extent,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
   p=filename;
   if ((*filename == '@') && (strlen(filename) > 1))
-    {
-      MagickBooleanType
-        status;
-
-      status=IsRightsAuthorized(PathPolicyDomain,ReadPolicyRights,filename);
-      if (status == MagickFalse)
-        {
-          errno=EPERM;
-          (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
-            "NotAuthorized","`%s'",filename);
-          return((char *) NULL);
-        }
-      p=filename+1;
-    }
+    p=filename+1;
   return((char *) FileToBlob(p,extent,&length,exception));
 }
 
@@ -1056,6 +1043,9 @@ MagickExport char *FileToString(const char *filename,const size_t extent,
 MagickExport StringInfo *FileToStringInfo(const char *filename,
   const size_t extent,ExceptionInfo *exception)
 {
+  const char
+    *p;
+
   StringInfo
     *string_info;
 
@@ -1065,7 +1055,10 @@ MagickExport StringInfo *FileToStringInfo(const char *filename,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
   string_info=AcquireStringInfoContainer();
   (void) CopyMagickString(string_info->path,filename,MaxTextExtent);
-  string_info->datum=FileToBlob(filename,extent,&string_info->length,exception);
+  p=filename;
+  if ((*filename == '@') && (strlen(filename) > 1))
+    p=filename+1;
+  string_info->datum=FileToBlob(p,extent,&string_info->length,exception);
   if (string_info->datum == (unsigned char *) NULL)
     {
       string_info=DestroyStringInfo(string_info);