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LibUnicode: Support IgnorePunnycode option in ToAscii algorithm

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This was introduced in UTS 46 revision 31.
This commit is contained in:
Shannon Booth 2024-12-01 22:54:06 +13:00 • committed by Alexander Kalenik
commit 923ab8658e
Notes: github-actions[bot] 2024-12-05 16:30:43 +00:00
2 changed files with 11 additions and 0 deletions
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5
Libraries/LibUnicode/IDNA.cpp
View file

@ -45,12 +45,17 @@ ErrorOr<String> to_ascii(Utf8View domain_name, ToAsciiOptions const& options)
errors &= ~UIDNA_ERROR_LEADING_HYPHEN; errors &= ~UIDNA_ERROR_LEADING_HYPHEN;
errors &= ~UIDNA_ERROR_TRAILING_HYPHEN; errors &= ~UIDNA_ERROR_TRAILING_HYPHEN;
} }
if (options.verify_dns_length == VerifyDnsLength::No) { if (options.verify_dns_length == VerifyDnsLength::No) {
errors &= ~UIDNA_ERROR_EMPTY_LABEL; errors &= ~UIDNA_ERROR_EMPTY_LABEL;
errors &= ~UIDNA_ERROR_LABEL_TOO_LONG; errors &= ~UIDNA_ERROR_LABEL_TOO_LONG;
errors &= ~UIDNA_ERROR_DOMAIN_NAME_TOO_LONG; errors &= ~UIDNA_ERROR_DOMAIN_NAME_TOO_LONG;
} }
if (options.ignore_invalid_punycode == IgnoreInvalidPunycode::Yes) {
errors &= ~UIDNA_ERROR_PUNYCODE;
}
if (icu_failure(status) || errors != 0) if (icu_failure(status) || errors != 0)
return Error::from_string_literal("Unable to convert domain to ASCII"); return Error::from_string_literal("Unable to convert domain to ASCII");

6
Libraries/LibUnicode/IDNA.h
View file

@ -42,6 +42,11 @@ enum class VerifyDnsLength {
Yes, Yes,
}; };
enum class IgnoreInvalidPunycode {
No,
Yes,
};
struct ToAsciiOptions { struct ToAsciiOptions {
CheckHyphens check_hyphens { CheckHyphens::Yes }; CheckHyphens check_hyphens { CheckHyphens::Yes };
CheckBidi check_bidi { CheckBidi::Yes }; CheckBidi check_bidi { CheckBidi::Yes };
@ -49,6 +54,7 @@ struct ToAsciiOptions {
UseStd3AsciiRules use_std3_ascii_rules { UseStd3AsciiRules::No }; UseStd3AsciiRules use_std3_ascii_rules { UseStd3AsciiRules::No };
TransitionalProcessing transitional_processing { TransitionalProcessing::No }; TransitionalProcessing transitional_processing { TransitionalProcessing::No };
VerifyDnsLength verify_dns_length { VerifyDnsLength::Yes }; VerifyDnsLength verify_dns_length { VerifyDnsLength::Yes };
IgnoreInvalidPunycode ignore_invalid_punycode { IgnoreInvalidPunycode::No };
}; };
ErrorOr<String> to_ascii(Utf8View domain_name, ToAsciiOptions const& = {}); ErrorOr<String> to_ascii(Utf8View domain_name, ToAsciiOptions const& = {});