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Update urn regex expression to be std::regex safe

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This commit is contained in:
Ray Vincent 2021-08-25 16:55:01 -07:00
parent f787a8a7a7
commit 3442709aa7
1 changed files with 2 additions and 2 deletions
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include/valijson/internal/uri.hpp
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@ -22,11 +22,11 @@ inline bool isUriAbsolute(const std::string &documentUri)
/**
* @brief Placeholder function to check whether a URI is a URN
*
* This function validates that the URI matches the RFC 8141
* This function validates that the URI matches the RFC 8141 spec
*/
inline bool isUrn(const std::string &documentUri) {
static const std::regex pattern(
"^(?i:urn:(?!urn:)([a-z0-9][a-z0-9-]{1,31}):((?:[-a-z0-9()+,.:=@;$_!*'&~\\/]|%[0-9a-f]{2})+)(?:\\?\\+(.*?))?(?:\\?=(.*?))?(?:#(.*?))?)$");
"^((urn)|(URN)):(?!urn:)([a-zA-Z0-9][a-zA-Z0-9-]{1,31})(:[-a-zA-Z0-9\\\\._~%!$&'()\\/*+,;=]+)+(\\?[-a-zA-Z0-9\\\\._~%!$&'()\\/*+,;:=]+){0,1}(#[-a-zA-Z0-9\\\\._~%!$&'()\\/*+,;:=]+){0,1}$");
return std::regex_match(documentUri, pattern);
}