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Detect full references to issues and pulls in commit messages (#12399) 

Fix #10269

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2020-08-06 20:20:05 +01:00 committed by GitHub
parent e17e3f71f4
commit e770c2b850
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 200 additions and 8 deletions
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76
modules/markup/mdstripper/mdstripper.go
View File

@ -6,12 +6,15 @@ package mdstripper
import (
"bytes"
"net/url"
"strings"
"sync"
"io"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup/common"
"code.gitea.io/gitea/modules/setting"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/ast"
@ -22,9 +25,15 @@ import (
"github.com/yuin/goldmark/text"
)
var (
giteaHostInit sync.Once
giteaHost *url.URL
)
type stripRenderer struct {
links []string
empty bool
localhost *url.URL
links []string
empty bool
}
func (r *stripRenderer) Render(w io.Writer, source []byte, doc ast.Node) error {
@ -50,7 +59,8 @@ func (r *stripRenderer) Render(w io.Writer, source []byte, doc ast.Node) error {
r.processLink(w, v.Destination)
return ast.WalkSkipChildren, nil
case *ast.AutoLink:
r.processLink(w, v.URL(source))
// This could be a reference to an issue or pull - if so convert it
r.processAutoLink(w, v.URL(source))
return ast.WalkSkipChildren, nil
}
return ast.WalkContinue, nil
@ -72,6 +82,50 @@ func (r *stripRenderer) processString(w io.Writer, text []byte, coalesce bool) {
r.empty = false
}
// ProcessAutoLinks to detect and handle links to issues and pulls
func (r *stripRenderer) processAutoLink(w io.Writer, link []byte) {
linkStr := string(link)
u, err := url.Parse(linkStr)
if err != nil {
// Process out of band
r.links = append(r.links, linkStr)
return
}
// Note: we're not attempting to match the URL scheme (http/https)
host := strings.ToLower(u.Host)
if host != "" && host != strings.ToLower(r.localhost.Host) {
// Process out of band
r.links = append(r.links, linkStr)
return
}
// We want: /user/repo/issues/3
parts := strings.Split(strings.TrimPrefix(u.EscapedPath(), r.localhost.EscapedPath()), "/")
if len(parts) != 5 || parts[0] != "" {
// Process out of band
r.links = append(r.links, linkStr)
return
}
var sep string
if parts[3] == "issues" {
sep = "#"
} else if parts[3] == "pulls" {
sep = "!"
} else {
// Process out of band
r.links = append(r.links, linkStr)
return
}
_, _ = w.Write([]byte(parts[1]))
_, _ = w.Write([]byte("/"))
_, _ = w.Write([]byte(parts[2]))
_, _ = w.Write([]byte(sep))
_, _ = w.Write([]byte(parts[4]))
}
func (r *stripRenderer) processLink(w io.Writer, link []byte) {
// Links are processed out of band
r.links = append(r.links, string(link))
@ -120,8 +174,9 @@ func StripMarkdownBytes(rawBytes []byte) ([]byte, []string) {
stripParser = gdMarkdown.Parser()
})
stripper := &stripRenderer{
links: make([]string, 0, 10),
empty: true,
localhost: getGiteaHost(),
links: make([]string, 0, 10),
empty: true,
}
reader := text.NewReader(rawBytes)
doc := stripParser.Parse(reader)
@ -131,3 +186,14 @@ func StripMarkdownBytes(rawBytes []byte) ([]byte, []string) {
}
return buf.Bytes(), stripper.GetLinks()
}
// getGiteaHostName returns a normalized string with the local host name, with no scheme or port information
func getGiteaHost() *url.URL {
giteaHostInit.Do(func() {
var err error
if giteaHost, err = url.Parse(setting.AppURL); err != nil {
giteaHost = &url.URL{}
}
})
return giteaHost
}

54
modules/references/references.go
View File

@ -41,8 +41,9 @@ var (
issueCloseKeywordsPat, issueReopenKeywordsPat *regexp.Regexp
issueKeywordsOnce sync.Once
giteaHostInit sync.Once
giteaHost string
giteaHostInit sync.Once
giteaHost string
giteaIssuePullPattern *regexp.Regexp
)
// XRefAction represents the kind of effect a cross reference has once is resolved
@ -152,13 +153,25 @@ func getGiteaHostName() string {
giteaHostInit.Do(func() {
if uapp, err := url.Parse(setting.AppURL); err == nil {
giteaHost = strings.ToLower(uapp.Host)
giteaIssuePullPattern = regexp.MustCompile(
`(\s|^|\(|\[)` +
regexp.QuoteMeta(strings.TrimSpace(setting.AppURL)) +
`([0-9a-zA-Z-_\.]+/[0-9a-zA-Z-_\.]+)/` +
`((?:issues)|(?:pulls))/([0-9]+)(?:\s|$|\)|\]|[:;,.?!]\s|[:;,.?!]$)`)
} else {
giteaHost = ""
giteaIssuePullPattern = nil
}
})
return giteaHost
}
// getGiteaIssuePullPattern
func getGiteaIssuePullPattern() *regexp.Regexp {
getGiteaHostName()
return giteaIssuePullPattern
}
// FindAllMentionsMarkdown matches mention patterns in given content and
// returns a list of found unvalidated user names **not including** the @ prefix.
func FindAllMentionsMarkdown(content string) []string {
@ -219,7 +232,42 @@ func findAllIssueReferencesMarkdown(content string) []*rawReference {
// FindAllIssueReferences returns a list of unvalidated references found in a string.
func FindAllIssueReferences(content string) []IssueReference {
return rawToIssueReferenceList(findAllIssueReferencesBytes([]byte(content), []string{}))
// Need to convert fully qualified html references to local system to #/! short codes
contentBytes := []byte(content)
if re := getGiteaIssuePullPattern(); re != nil {
pos := 0
for {
match := re.FindSubmatchIndex(contentBytes[pos:])
if match == nil {
break
}
// match[0]-match[1] is whole string
// match[2]-match[3] is preamble
pos += match[3]
// match[4]-match[5] is owner/repo
endPos := pos + match[5] - match[4]
copy(contentBytes[pos:endPos], contentBytes[match[4]:match[5]])
pos = endPos
// match[6]-match[7] == 'issues'
contentBytes[pos] = '#'
if string(contentBytes[match[6]:match[7]]) == "pulls" {
contentBytes[pos] = '!'
}
pos++
// match[8]-match[9] is the number
endPos = pos + match[9] - match[8]
copy(contentBytes[pos:endPos], contentBytes[match[8]:match[9]])
copy(contentBytes[endPos:], contentBytes[match[9]:])
// now we reset the length
// our new section has length endPos - match[3]
// our old section has length match[9] - match[3]
contentBytes = contentBytes[:len(contentBytes)-match[9]+endPos]
pos = endPos
}
} else {
log.Debug("No GiteaIssuePullPattern pattern")
}
return rawToIssueReferenceList(findAllIssueReferencesBytes(contentBytes, []string{}))
}
// FindRenderizableReferenceNumeric returns the first unvalidated reference found in a string.

78
modules/repofiles/action_test.go
View File

@ -10,6 +10,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
)
@ -208,6 +209,32 @@ func TestUpdateIssuesCommit(t *testing.T) {
models.AssertExistsAndLoadBean(t, commentBean)
models.AssertNotExistsBean(t, issueBean, "is_closed=1")
models.CheckConsistencyFor(t, &models.Action{})
pushCommits = []*repository.PushCommit{
{
Sha1: "abcdef3",
CommitterEmail: "user2@example.com",
CommitterName: "User Two",
AuthorEmail: "user2@example.com",
AuthorName: "User Two",
Message: "close " + setting.AppURL + repo.FullName() + "/pulls/1",
},
}
repo = models.AssertExistsAndLoadBean(t, &models.Repository{ID: 3}).(*models.Repository)
commentBean = &models.Comment{
Type: models.CommentTypeCommitRef,
CommitSHA: "abcdef3",
PosterID: user.ID,
IssueID: 6,
}
issueBean = &models.Issue{RepoID: repo.ID, Index: 1}
models.AssertNotExistsBean(t, commentBean)
models.AssertNotExistsBean(t, &models.Issue{RepoID: repo.ID, Index: 1}, "is_closed=1")
assert.NoError(t, UpdateIssuesCommit(user, repo, pushCommits, repo.DefaultBranch))
models.AssertExistsAndLoadBean(t, commentBean)
models.AssertExistsAndLoadBean(t, issueBean, "is_closed=1")
models.CheckConsistencyFor(t, &models.Action{})
}
func TestUpdateIssuesCommit_Colon(t *testing.T) {
@ -304,6 +331,41 @@ func TestUpdateIssuesCommit_AnotherRepo(t *testing.T) {
models.CheckConsistencyFor(t, &models.Action{})
}
func TestUpdateIssuesCommit_AnotherRepo_FullAddress(t *testing.T) {
assert.NoError(t, models.PrepareTestDatabase())
user := models.AssertExistsAndLoadBean(t, &models.User{ID: 2}).(*models.User)
// Test that a push to default branch closes issue in another repo
// If the user also has push permissions to that repo
pushCommits := []*repository.PushCommit{
{
Sha1: "abcdef1",
CommitterEmail: "user2@example.com",
CommitterName: "User Two",
AuthorEmail: "user2@example.com",
AuthorName: "User Two",
Message: "close " + setting.AppURL + "user2/repo1/issues/1",
},
}
repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: 2}).(*models.Repository)
commentBean := &models.Comment{
Type: models.CommentTypeCommitRef,
CommitSHA: "abcdef1",
PosterID: user.ID,
IssueID: 1,
}
issueBean := &models.Issue{RepoID: 1, Index: 1, ID: 1}
models.AssertNotExistsBean(t, commentBean)
models.AssertNotExistsBean(t, issueBean, "is_closed=1")
assert.NoError(t, UpdateIssuesCommit(user, repo, pushCommits, repo.DefaultBranch))
models.AssertExistsAndLoadBean(t, commentBean)
models.AssertExistsAndLoadBean(t, issueBean, "is_closed=1")
models.CheckConsistencyFor(t, &models.Action{})
}
func TestUpdateIssuesCommit_AnotherRepoNoPermission(t *testing.T) {
assert.NoError(t, models.PrepareTestDatabase())
user := models.AssertExistsAndLoadBean(t, &models.User{ID: 10}).(*models.User)
@ -319,6 +381,14 @@ func TestUpdateIssuesCommit_AnotherRepoNoPermission(t *testing.T) {
AuthorName: "User Ten",
Message: "close user3/repo3#1",
},
{
Sha1: "abcdef4",
CommitterEmail: "user10@example.com",
CommitterName: "User Ten",
AuthorEmail: "user10@example.com",
AuthorName: "User Ten",
Message: "close " + setting.AppURL + "user3/repo3/issues/1",
},
}
repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: 6}).(*models.Repository)
@ -328,13 +398,21 @@ func TestUpdateIssuesCommit_AnotherRepoNoPermission(t *testing.T) {
PosterID: user.ID,
IssueID: 6,
}
commentBean2 := &models.Comment{
Type: models.CommentTypeCommitRef,
CommitSHA: "abcdef4",
PosterID: user.ID,
IssueID: 6,
}
issueBean := &models.Issue{RepoID: 3, Index: 1, ID: 6}
models.AssertNotExistsBean(t, commentBean)
models.AssertNotExistsBean(t, commentBean2)
models.AssertNotExistsBean(t, issueBean, "is_closed=1")
assert.NoError(t, UpdateIssuesCommit(user, repo, pushCommits, repo.DefaultBranch))
models.AssertNotExistsBean(t, commentBean)
models.AssertNotExistsBean(t, commentBean2)
models.AssertNotExistsBean(t, issueBean, "is_closed=1")
models.CheckConsistencyFor(t, &models.Action{})
}