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Fix bug of link query order on markdown render (#14156)

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* Fix bug of link query order on markdown render

* Fix bluemonday bug and fix one wrong test

Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Lunny Xiao 2020-12-29 00:28:27 +08:00 committed by GitHub
parent 3175d08626
commit 11555d850b
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 76 additions and 16 deletions
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2
go.mod
View file

@ -126,3 +126,5 @@ require (
)
replace github.com/hashicorp/go-version => github.com/6543/go-version v1.2.4
replace github.com/microcosm-cc/bluemonday => github.com/lunny/bluemonday v1.0.5-0.20201227154428-ca34796141e8

4
go.sum
View file

@ -743,6 +743,8 @@ github.com/lib/pq v1.8.1-0.20200908161135-083382b7e6fc h1:ERSU1OvZ6MdWhHieo2oT7x
github.com/lib/pq v1.8.1-0.20200908161135-083382b7e6fc/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lunny/bluemonday v1.0.5-0.20201227154428-ca34796141e8 h1:1omo92DLtxQu6VwVPSZAmduHaK5zssed6cvkHyl1XOg=
github.com/lunny/bluemonday v1.0.5-0.20201227154428-ca34796141e8/go.mod h1:8iwZnFn2CDDNZ0r6UXhF4xawGvzaqzCRa1n3/lO3W2w=
github.com/lunny/dingtalk_webhook v0.0.0-20171025031554-e3534c89ef96 h1:uNwtsDp7ci48vBTTxDuwcoTXz4lwtDTe7TjCQ0noaWY=
github.com/lunny/dingtalk_webhook v0.0.0-20171025031554-e3534c89ef96/go.mod h1:mmIfjCSQlGYXmJ95jFN84AkQFnVABtKuJL8IrzwvUKQ=
github.com/lunny/log v0.0.0-20160921050905-7887c61bf0de h1:nyxwRdWHAVxpFcDThedEgQ07DbcRc5xgNObtbTp76fk=
@ -801,8 +803,6 @@ github.com/mgechev/revive v1.0.3-0.20200921231451-246eac737dc7 h1:ydVkpU/M4/c45y
github.com/mgechev/revive v1.0.3-0.20200921231451-246eac737dc7/go.mod h1:no/hfevHbndpXR5CaJahkYCfM/FFpmM/dSOwFGU7Z1o=
github.com/mholt/archiver/v3 v3.5.0 h1:nE8gZIrw66cu4osS/U7UW7YDuGMHssxKutU8IfWxwWE=
github.com/mholt/archiver/v3 v3.5.0/go.mod h1:qqTTPUK/HZPFgFQ/TJ3BzvTpF/dPtFVJXdQbCmeMxwc=
github.com/microcosm-cc/bluemonday v1.0.4 h1:p0L+CTpo/PLFdkoPcJemLXG+fpMD7pYOoDEq1axMbGg=
github.com/microcosm-cc/bluemonday v1.0.4/go.mod h1:8iwZnFn2CDDNZ0r6UXhF4xawGvzaqzCRa1n3/lO3W2w=
github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
github.com/minio/md5-simd v1.1.0 h1:QPfiOqlZH+Cj9teu0t9b1nTBfPbyTl16Of5MeuShdK4=
github.com/minio/md5-simd v1.1.0/go.mod h1:XpBqgZULrMYD3R+M28PcmP0CkI7PEMzB3U77ZrKZ0Gw=

2
modules/markup/html_test.go
View file

@ -142,7 +142,7 @@ func TestRender_links(t *testing.T) {
`<p><a href="ftp://gitea.com/file.txt" rel="nofollow">ftp://gitea.com/file.txt</a></p>`)
test(
"magnet:?xt=urn:btih:5dee65101db281ac9c46344cd6b175cdcadabcde&dn=download",
`<p><a href="magnet:?dn=download&xt=urn%3Abtih%3A5dee65101db281ac9c46344cd6b175cdcadabcde" rel="nofollow">magnet:?xt=urn:btih:5dee65101db281ac9c46344cd6b175cdcadabcde&amp;dn=download</a></p>`)
`<p><a href="magnet:?xt=urn%3Abtih%3A5dee65101db281ac9c46344cd6b175cdcadabcde&dn=download" rel="nofollow">magnet:?xt=urn:btih:5dee65101db281ac9c46344cd6b175cdcadabcde&amp;dn=download</a></p>`)
// Test that should *not* be turned into URL
test(

81
vendor/github.com/microcosm-cc/bluemonday/sanitize.go generated vendored
View file

@ -122,22 +122,79 @@ func escapeUrlComponent(val string) string {
return w.String()
}
func sanitizedUrl(val string) (string, error) {
// Query represents a query
type Query struct {
Key string
Value string
}
func parseQuery(query string) (values []Query, err error) {
for query != "" {
key := query
if i := strings.IndexAny(key, "&;"); i >= 0 {
key, query = key[:i], key[i+1:]
} else {
query = ""
}
if key == "" {
continue
}
value := ""
if i := strings.Index(key, "="); i >= 0 {
key, value = key[:i], key[i+1:]
}
key, err1 := url.QueryUnescape(key)
if err1 != nil {
if err == nil {
err = err1
}
continue
}
value, err1 = url.QueryUnescape(value)
if err1 != nil {
if err == nil {
err = err1
}
continue
}
values = append(values, Query{
Key: key,
Value: value,
})
}
return values, err
}
func encodeQueries(queries []Query) string {
var b strings.Builder
for i, query := range queries {
b.WriteString(url.QueryEscape(query.Key))
b.WriteString("=")
b.WriteString(url.QueryEscape(query.Value))
if i < len(queries)-1 {
b.WriteString("&")
}
}
return b.String()
}
func sanitizedURL(val string) (string, error) {
u, err := url.Parse(val)
if err != nil {
return "", err
}
// sanitize the url query params
sanitizedQueryValues := make(url.Values, 0)
queryValues := u.Query()
for k, vals := range queryValues {
sk := html.EscapeString(k)
for _, v := range vals {
sv := v
sanitizedQueryValues.Add(sk, sv)
}
// we use parseQuery but not u.Query to keep the order not change because
// url.Values is a map which has a random order.
queryValues, err := parseQuery(u.RawQuery)
if err != nil {
return "", err
}
u.RawQuery = sanitizedQueryValues.Encode()
// sanitize the url query params
for i, query := range queryValues {
queryValues[i].Key = html.EscapeString(query.Key)
}
u.RawQuery = encodeQueries(queryValues)
// u.String() will also sanitize host/scheme/user/pass
return u.String(), nil
}
@ -158,7 +215,7 @@ func (p *Policy) writeLinkableBuf(buff *bytes.Buffer, token *html.Token) {
tokenBuff.WriteString(html.EscapeString(attr.Val))
continue
}
u, err := sanitizedUrl(u)
u, err := sanitizedURL(u)
if err == nil {
tokenBuff.WriteString(u)
} else {

3
vendor/modules.txt vendored
View file

@ -576,7 +576,7 @@ github.com/mgechev/revive/rule
# github.com/mholt/archiver/v3 v3.5.0
## explicit
github.com/mholt/archiver/v3
# github.com/microcosm-cc/bluemonday v1.0.4
# github.com/microcosm-cc/bluemonday v1.0.4 => github.com/lunny/bluemonday v1.0.5-0.20201227154428-ca34796141e8
## explicit
github.com/microcosm-cc/bluemonday
# github.com/minio/md5-simd v1.1.0
@ -998,3 +998,4 @@ xorm.io/xorm/names
xorm.io/xorm/schemas
xorm.io/xorm/tags
# github.com/hashicorp/go-version => github.com/6543/go-version v1.2.4
# github.com/microcosm-cc/bluemonday => github.com/lunny/bluemonday v1.0.5-0.20201227154428-ca34796141e8