limit and validate responses before logging the text (#292)

Improvement: When logging HTTP responses, the body is now sanity checked to ensure it is human readable, and the length of the output is capped to prevent inadvertent log bloat

1 files changed, 14 insertions, 0 deletions

diff --git a/src/zencore/string.cpp b/src/zencore/string.cpp
index 242d41abe..a0d8c927f 100644
--- a/src/zencore/string.cpp
+++ b/src/zencore/string.cpp
@@ -99,6 +99,20 @@ FilepathFindExtension(const std::string_view& Path, const char* ExtensionToMatch
 
 //////////////////////////////////////////////////////////////////////////
 
+bool
+IsValidUtf8(const std::string_view& str)
+{
+	return utf8::is_valid(begin(str), end(str));
+}
+
+std::string_view::const_iterator
+FindFirstInvalidUtf8Byte(const std::string_view& str)
+{
+	return utf8::find_invalid(begin(str), end(str));
+}
+
+//////////////////////////////////////////////////////////////////////////
+
 void
 Utf8ToWide(const char8_t* Str8, WideStringBuilderBase& OutString)
 {