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Modify linkRegex to require http|https (#6171) 

Modify the current linkRegex to require http|https which appears to be
the intended behavior based on the comments. Right now, it also matches
anything starting with www as well. Also add testing for linkRegex
This commit is contained in:
mrsdizzie 2019-02-28 07:31:53 -05:00 committed by Lunny Xiao
parent 4b7237b63e
commit 4a2e92bcd1
2 changed files with 63 additions and 1 deletions
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2
modules/markup/html.go
View File

@ -66,7 +66,7 @@ var (
// matches http/https links. used for autlinking those. partly modified from
// the original present in autolink.js
linkRegex = regexp.MustCompile(`(?:(?:http|https):\/\/(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)(?:(?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?`)
linkRegex = regexp.MustCompile(`(?:(?:http|https):\/\/(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+(?:\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)(?:(?:\/[\+~%\/\.\w\-]*)?\??(?:[\-\+:=&;%@\.\w]*)#?(?:[\.\!\/\\\w]*))?`)
)
// regexp for full links to issues/pulls

62
modules/markup/html_test.go
View File

@ -67,6 +67,68 @@ func TestMisc_IsSameDomain(t *testing.T) {
assert.False(t, IsSameDomain("favicon.ico"))
}
func TestRender_links(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderString("a.md", input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
// Text that should be turned into URL
test(
"https://www.example.com",
`<p><a href="https://www.example.com" rel="nofollow">https://www.example.com</a></p>`)
test(
"http://www.example.com",
`<p><a href="http://www.example.com" rel="nofollow">http://www.example.com</a></p>`)
test(
"https://example.com",
`<p><a href="https://example.com" rel="nofollow">https://example.com</a></p>`)
test(
"http://example.com",
`<p><a href="http://example.com" rel="nofollow">http://example.com</a></p>`)
test(
"http://foo.com/blah_blah",
`<p><a href="http://foo.com/blah_blah" rel="nofollow">http://foo.com/blah_blah</a></p>`)
test(
"http://foo.com/blah_blah/",
`<p><a href="http://foo.com/blah_blah/" rel="nofollow">http://foo.com/blah_blah/</a></p>`)
test(
"http://www.example.com/wpstyle/?p=364",
`<p><a href="http://www.example.com/wpstyle/?p=364" rel="nofollow">http://www.example.com/wpstyle/?p=364</a></p>`)
test(
"https://www.example.com/foo/?bar=baz&inga=42&quux",
`<p><a href="https://www.example.com/foo/?bar=baz&amp;inga=42&amp;quux" rel="nofollow">https://www.example.com/foo/?bar=baz&amp;inga=42&amp;quux</a></p>`)
test(
"http://142.42.1.1/",
`<p><a href="http://142.42.1.1/" rel="nofollow">http://142.42.1.1/</a></p>`)
// Test that should *not* be turned into URL
test(
"www.example.com",
`<p>www.example.com</p>`)
test(
"example.com",
`<p>example.com</p>`)
test(
"test.example.com",
`<p>test.example.com</p>`)
test(
"http://",
`<p>http://</p>`)
test(
"https://",
`<p>https://</p>`)
test(
"://",
`<p>://</p>`)
test(
"www",
`<p>www</p>`)
}
func TestRender_ShortLinks(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL