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Fix Linkify to allow host with beginning single-letter domain label

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Fixes #190
This commit is contained in:
Cameron Moore 2021-01-30 08:48:27 -06:00
parent c4b3054802
commit 3d7ce16f2f
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GPG key ID: AF96E12468D7553E
2 changed files with 22 additions and 10 deletions
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8
extension/_test/linkify.txt
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@ -169,3 +169,11 @@ http://server.intranet.acme.com:1313
//- - - - - - - - -//
<p><a href="http://server.intranet.acme.com:1313">http://server.intranet.acme.com:1313</a></p>
//= = = = = = = = = = = = = = = = = = = = = = = =//
17
//- - - - - - - - -//
https://g.page/foo
//- - - - - - - - -//
<p><a href="https://g.page/foo">https://g.page/foo</a></p>
//= = = = = = = = = = = = = = = = = = = = = = = =//

24
extension/linkify.go
View file

@ -11,9 +11,9 @@ import (
"github.com/yuin/goldmark/util"
)
var wwwURLRegxp = regexp.MustCompile(`^www\.[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]+(?:[/#?][-a-zA-Z0-9@:%_\+.~#!?&/=\(\);,'">\^{}\[\]` + "`" + `]*)?`)
var wwwURLRegxp = regexp.MustCompile(`^www\.[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-z]+(?:[/#?][-a-zA-Z0-9@:%_\+.~#!?&/=\(\);,'">\^{}\[\]` + "`" + `]*)?`)
var urlRegexp = regexp.MustCompile(`^(?:http|https|ftp)://[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]+(?::\d+)?(?:[/#?][-a-zA-Z0-9@:%_+.~#$!?&/=\(\);,'">\^{}\[\]` + "`" + `]*)?`)
var urlRegexp = regexp.MustCompile(`^(?:http|https|ftp)://[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-z]+(?::\d+)?(?:[/#?][-a-zA-Z0-9@:%_+.~#$!?&/=\(\);,'">\^{}\[\]` + "`" + `]*)?`)
// An LinkifyConfig struct is a data structure that holds configuration of the
// Linkify extension.
@ -24,10 +24,12 @@ type LinkifyConfig struct {
EmailRegexp *regexp.Regexp
}
const optLinkifyAllowedProtocols parser.OptionName = "LinkifyAllowedProtocols"
const optLinkifyURLRegexp parser.OptionName = "LinkifyURLRegexp"
const optLinkifyWWWRegexp parser.OptionName = "LinkifyWWWRegexp"
const optLinkifyEmailRegexp parser.OptionName = "LinkifyEmailRegexp"
const (
optLinkifyAllowedProtocols parser.OptionName = "LinkifyAllowedProtocols"
optLinkifyURLRegexp parser.OptionName = "LinkifyURLRegexp"
optLinkifyWWWRegexp parser.OptionName = "LinkifyWWWRegexp"
optLinkifyEmailRegexp parser.OptionName = "LinkifyEmailRegexp"
)
// SetOption implements SetOptioner.
func (c *LinkifyConfig) SetOption(name parser.OptionName, value interface{}) {
@ -156,10 +158,12 @@ func (s *linkifyParser) Trigger() []byte {
return []byte{' ', '*', '_', '~', '('}
}
var protoHTTP = []byte("http:")
var protoHTTPS = []byte("https:")
var protoFTP = []byte("ftp:")
var domainWWW = []byte("www.")
var (
protoHTTP = []byte("http:")
protoHTTPS = []byte("https:")
protoFTP = []byte("ftp:")
domainWWW = []byte("www.")
)
func (s *linkifyParser) Parse(parent ast.Node, block text.Reader, pc parser.Context) ast.Node {
if pc.IsInLinkLabel() {