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Rewrite reference processing code in preparation for opening/closing from comment references (#8261)

* Add a markdown stripper for mentions and xrefs

* Improve comments

* Small code simplification

* Move reference code to modules/references

* Fix typo

* Make MarkdownStripper return [][]byte

* Implement preliminary keywords parsing

* Add FIXME comment

* Fix comment

* make fmt

* Fix permissions check

* Fix text assumptions

* Fix imports

* Fix lint, fmt

* Fix unused import

* Add missing export comment

* Bypass revive on implemented interface

* Move mdstripper into its own package

* Support alphanumeric patterns

* Refactor FindAllMentions

* Move mentions test to references

* Parse mentions from reference package

* Refactor code to implement renderizable references

* Fix typo

* Move patterns and tests to the references package

* Fix nil reference

* Preliminary rendering attempt of closing keywords

* Normalize names, comments, general tidy-up

* Add CSS style for action keywords

* Fix permission for admin and owner

* Fix golangci-lint

* Fix golangci-lint
release/v1.10
guillep2k 3 years ago
committed by zeripath
parent
commit
15809d81f7
  1. 13
      integrations/issue_test.go
  2. 177
      models/action.go
  3. 53
      models/action_test.go
  4. 11
      models/issue_comment.go
  5. 111
      models/issue_xref.go
  6. 124
      modules/markup/html.go
  7. 92
      modules/markup/html_internal_test.go
  8. 260
      modules/markup/mdstripper/mdstripper.go
  9. 71
      modules/markup/mdstripper/mdstripper_test.go
  10. 3
      modules/markup/sanitizer.go
  11. 322
      modules/references/references.go
  12. 296
      modules/references/references_test.go
  13. 1
      public/css/index.css
  14. 5
      public/less/_repository.less
  15. 4
      services/mailer/mail_comment.go
  16. 4
      services/mailer/mail_issue.go

13
integrations/issue_test.go

@ -13,6 +13,7 @@ import (
"testing"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
@ -207,7 +208,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: 0,
RefIsPull: false,
RefAction: models.XRefActionNone})
RefAction: references.XRefActionNone})
// Edit title, neuter ref
testIssueChangeInfo(t, "user2", issueRefURL, "title", "Title no ref")
@ -217,7 +218,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: 0,
RefIsPull: false,
RefAction: models.XRefActionNeutered})
RefAction: references.XRefActionNeutered})
// Ref from issue content
issueRefURL, issueRef = testIssueWithBean(t, "user2", 1, "TitleXRef", fmt.Sprintf("Description ref #%d", issueBase.Index))
@ -227,7 +228,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: 0,
RefIsPull: false,
RefAction: models.XRefActionNone})
RefAction: references.XRefActionNone})
// Edit content, neuter ref
testIssueChangeInfo(t, "user2", issueRefURL, "content", "Description no ref")
@ -237,7 +238,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: 0,
RefIsPull: false,
RefAction: models.XRefActionNeutered})
RefAction: references.XRefActionNeutered})
// Ref from a comment
session := loginUser(t, "user2")
@ -248,7 +249,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: commentID,
RefIsPull: false,
RefAction: models.XRefActionNone}
RefAction: references.XRefActionNone}
models.AssertExistsAndLoadBean(t, comment)
// Ref from a different repository
@ -259,7 +260,7 @@ func TestIssueCrossReference(t *testing.T) {
RefIssueID: issueRef.ID,
RefCommentID: 0,
RefIsPull: false,
RefAction: models.XRefActionNone})
RefAction: references.XRefActionNone})
}
func testIssueWithBean(t *testing.T, user string, repoID int64, title, content string) (string, *models.Issue) {

177
models/action.go

@ -10,15 +10,14 @@ import (
"fmt"
"html"
"path"
"regexp"
"strconv"
"strings"
"time"
"unicode"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
@ -54,29 +53,6 @@ const (
ActionMirrorSyncDelete // 20
)
var (
// Same as GitHub. See
// https://help.github.com/articles/closing-issues-via-commit-messages
issueCloseKeywords = []string{"close", "closes", "closed", "fix", "fixes", "fixed", "resolve", "resolves", "resolved"}
issueReopenKeywords = []string{"reopen", "reopens", "reopened"}
issueCloseKeywordsPat, issueReopenKeywordsPat *regexp.Regexp
issueReferenceKeywordsPat *regexp.Regexp
)
const issueRefRegexpStr = `(?:([0-9a-zA-Z-_\.]+)/([0-9a-zA-Z-_\.]+))?(#[0-9]+)+`
const issueRefRegexpStrNoKeyword = `(?:\s|^|\(|\[)(?:([0-9a-zA-Z-_\.]+)/([0-9a-zA-Z-_\.]+))?(#[0-9]+)(?:\s|$|\)|\]|:|\.(\s|$))`
func assembleKeywordsPattern(words []string) string {
return fmt.Sprintf(`(?i)(?:%s)(?::?) %s`, strings.Join(words, "|"), issueRefRegexpStr)
}
func init() {
issueCloseKeywordsPat = regexp.MustCompile(assembleKeywordsPattern(issueCloseKeywords))
issueReopenKeywordsPat = regexp.MustCompile(assembleKeywordsPattern(issueReopenKeywords))
issueReferenceKeywordsPat = regexp.MustCompile(issueRefRegexpStrNoKeyword)
}
// Action represents user operation type and other information to
// repository. It implemented interface base.Actioner so that can be
// used in template render.
@ -351,10 +327,6 @@ func RenameRepoAction(actUser *User, oldRepoName string, repo *Repository) error
return renameRepoAction(x, actUser, oldRepoName, repo)
}
func issueIndexTrimRight(c rune) bool {
return !unicode.IsDigit(c)
}
// PushCommit represents a commit in a push operation.
type PushCommit struct {
Sha1 string
@ -480,39 +452,9 @@ func (pc *PushCommits) AvatarLink(email string) string {
}
// getIssueFromRef returns the issue referenced by a ref. Returns a nil *Issue
// if the provided ref is misformatted or references a non-existent issue.
func getIssueFromRef(repo *Repository, ref string) (*Issue, error) {
ref = ref[strings.IndexByte(ref, ' ')+1:]
ref = strings.TrimRightFunc(ref, issueIndexTrimRight)
var refRepo *Repository
poundIndex := strings.IndexByte(ref, '#')
if poundIndex < 0 {
return nil, nil
} else if poundIndex == 0 {
refRepo = repo
} else {
slashIndex := strings.IndexByte(ref, '/')
if slashIndex < 0 || slashIndex >= poundIndex {
return nil, nil
}
ownerName := ref[:slashIndex]
repoName := ref[slashIndex+1 : poundIndex]
var err error
refRepo, err = GetRepositoryByOwnerAndName(ownerName, repoName)
if err != nil {
if IsErrRepoNotExist(err) {
return nil, nil
}
return nil, err
}
}
issueIndex, err := strconv.ParseInt(ref[poundIndex+1:], 10, 64)
if err != nil {
return nil, nil
}
issue, err := GetIssueByIndex(refRepo.ID, issueIndex)
// if the provided ref references a non-existent issue.
func getIssueFromRef(repo *Repository, index int64) (*Issue, error) {
issue, err := GetIssueByIndex(repo.ID, index)
if err != nil {
if IsErrIssueNotExist(err) {
return nil, nil
@ -522,20 +464,7 @@ func getIssueFromRef(repo *Repository, ref string) (*Issue, error) {
return issue, nil
}
func changeIssueStatus(repo *Repository, doer *User, ref string, refMarked map[int64]bool, status bool) error {
issue, err := getIssueFromRef(repo, ref)
if err != nil {
return err
}
if issue == nil || refMarked[issue.ID] {
return nil
}
refMarked[issue.ID] = true
if issue.RepoID != repo.ID || issue.IsClosed == status {
return nil
}
func changeIssueStatus(repo *Repository, issue *Issue, doer *User, status bool) error {
stopTimerIfAvailable := func(doer *User, issue *Issue) error {
@ -549,7 +478,7 @@ func changeIssueStatus(repo *Repository, doer *User, ref string, refMarked map[i
}
issue.Repo = repo
if err = issue.ChangeStatus(doer, status); err != nil {
if err := issue.ChangeStatus(doer, status); err != nil {
// Don't return an error when dependencies are open as this would let the push fail
if IsErrDependenciesLeft(err) {
return stopTimerIfAvailable(doer, issue)
@ -566,99 +495,67 @@ func UpdateIssuesCommit(doer *User, repo *Repository, commits []*PushCommit, bra
for i := len(commits) - 1; i >= 0; i-- {
c := commits[i]
refMarked := make(map[int64]bool)
type markKey struct {
ID int64
Action references.XRefAction
}
refMarked := make(map[markKey]bool)
var refRepo *Repository
var refIssue *Issue
var err error
for _, m := range issueReferenceKeywordsPat.FindAllStringSubmatch(c.Message, -1) {
if len(m[3]) == 0 {
continue
}
ref := m[3]
for _, ref := range references.FindAllIssueReferences(c.Message) {
// issue is from another repo
if len(m[1]) > 0 && len(m[2]) > 0 {
refRepo, err = GetRepositoryFromMatch(m[1], m[2])
if len(ref.Owner) > 0 && len(ref.Name) > 0 {
refRepo, err = GetRepositoryFromMatch(ref.Owner, ref.Name)
if err != nil {
continue
}
} else {
refRepo = repo
}
issue, err := getIssueFromRef(refRepo, ref)
if err != nil {
if refIssue, err = getIssueFromRef(refRepo, ref.Index); err != nil {
return err
}
if issue == nil || refMarked[issue.ID] {
if refIssue == nil {
continue
}
refMarked[issue.ID] = true
message := fmt.Sprintf(`<a href="%s/commit/%s">%s</a>`, repo.Link(), c.Sha1, html.EscapeString(c.Message))
if err = CreateRefComment(doer, refRepo, issue, message, c.Sha1); err != nil {
perm, err := GetUserRepoPermission(refRepo, doer)
if err != nil {
return err
}
}
// Change issue status only if the commit has been pushed to the default branch.
// and if the repo is configured to allow only that
if repo.DefaultBranch != branchName && !repo.CloseIssuesViaCommitInAnyBranch {
continue
}
refMarked = make(map[int64]bool)
for _, m := range issueCloseKeywordsPat.FindAllStringSubmatch(c.Message, -1) {
if len(m[3]) == 0 {
key := markKey{ID: refIssue.ID, Action: ref.Action}
if refMarked[key] {
continue
}
ref := m[3]
refMarked[key] = true
// issue is from another repo
if len(m[1]) > 0 && len(m[2]) > 0 {
refRepo, err = GetRepositoryFromMatch(m[1], m[2])
if err != nil {
continue
}
} else {
refRepo = repo
}
perm, err := GetUserRepoPermission(refRepo, doer)
if err != nil {
return err
}
// only close issues in another repo if user has push access
if perm.CanWrite(UnitTypeCode) {
if err := changeIssueStatus(refRepo, doer, ref, refMarked, true); err != nil {
// only create comments for issues if user has permission for it
if perm.IsAdmin() || perm.IsOwner() || perm.CanWrite(UnitTypeIssues) {
message := fmt.Sprintf(`<a href="%s/commit/%s">%s</a>`, repo.Link(), c.Sha1, html.EscapeString(c.Message))
if err = CreateRefComment(doer, refRepo, refIssue, message, c.Sha1); err != nil {
return err
}
}
}
// It is conflict to have close and reopen at same time, so refsMarked doesn't need to reinit here.
for _, m := range issueReopenKeywordsPat.FindAllStringSubmatch(c.Message, -1) {
if len(m[3]) == 0 {
// Process closing/reopening keywords
if ref.Action != references.XRefActionCloses && ref.Action != references.XRefActionReopens {
continue
}
ref := m[3]
// issue is from another repo
if len(m[1]) > 0 && len(m[2]) > 0 {
refRepo, err = GetRepositoryFromMatch(m[1], m[2])
if err != nil {
continue
}
} else {
refRepo = repo
}
perm, err := GetUserRepoPermission(refRepo, doer)
if err != nil {
return err
// Change issue status only if the commit has been pushed to the default branch.
// and if the repo is configured to allow only that
// FIXME: we should be using Issue.ref if set instead of repo.DefaultBranch
if repo.DefaultBranch != branchName && !repo.CloseIssuesViaCommitInAnyBranch {
continue
}
// only reopen issues in another repo if user has push access
if perm.CanWrite(UnitTypeCode) {
if err := changeIssueStatus(refRepo, doer, ref, refMarked, false); err != nil {
// only close issues in another repo if user has push access
if perm.IsAdmin() || perm.IsOwner() || perm.CanWrite(UnitTypeCode) {
if err := changeIssueStatus(refRepo, refIssue, doer, ref.Action == references.XRefActionCloses); err != nil {
return err
}
}

53
models/action_test.go

@ -1,7 +1,6 @@
package models
import (
"fmt"
"path"
"strings"
"testing"
@ -181,56 +180,6 @@ func TestPushCommits_AvatarLink(t *testing.T) {
pushCommits.AvatarLink("nonexistent@example.com"))
}
func TestRegExp_issueReferenceKeywordsPat(t *testing.T) {
trueTestCases := []string{
"#2",
"[#2]",
"please see go-gitea/gitea#5",
"#2:",
}
falseTestCases := []string{
"kb#2",
"#2xy",
}
for _, testCase := range trueTestCases {
assert.True(t, issueReferenceKeywordsPat.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, issueReferenceKeywordsPat.MatchString(testCase))
}
}
func Test_getIssueFromRef(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
repo := AssertExistsAndLoadBean(t, &Repository{ID: 1}).(*Repository)
for _, test := range []struct {
Ref string
ExpectedIssueID int64
}{
{"#2", 2},
{"reopen #2", 2},
{"user2/repo2#1", 4},
{"fixes user2/repo2#1", 4},
{"fixes: user2/repo2#1", 4},
} {
issue, err := getIssueFromRef(repo, test.Ref)
assert.NoError(t, err)
if assert.NotNil(t, issue) {
assert.EqualValues(t, test.ExpectedIssueID, issue.ID)
}
}
for _, badRef := range []string{
"doesnotexist/doesnotexist#1",
fmt.Sprintf("#%d", NonexistentID),
} {
issue, err := getIssueFromRef(repo, badRef)
assert.NoError(t, err)
assert.Nil(t, issue)
}
}
func TestUpdateIssuesCommit(t *testing.T) {
assert.NoError(t, PrepareTestDatabase())
pushCommits := []*PushCommit{
@ -431,7 +380,7 @@ func TestUpdateIssuesCommit_AnotherRepoNoPermission(t *testing.T) {
AssertNotExistsBean(t, commentBean)
AssertNotExistsBean(t, issueBean, "is_closed=1")
assert.NoError(t, UpdateIssuesCommit(user, repo, pushCommits, repo.DefaultBranch))
AssertExistsAndLoadBean(t, commentBean)
AssertNotExistsBean(t, commentBean)
AssertNotExistsBean(t, issueBean, "is_closed=1")
CheckConsistencyFor(t, &Action{})
}

11
models/issue_comment.go

@ -13,6 +13,7 @@ import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/references"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
@ -144,10 +145,10 @@ type Comment struct {
// Reference an issue or pull from another comment, issue or PR
// All information is about the origin of the reference
RefRepoID int64 `xorm:"index"` // Repo where the referencing
RefIssueID int64 `xorm:"index"`
RefCommentID int64 `xorm:"index"` // 0 if origin is Issue title or content (or PR's)
RefAction XRefAction `xorm:"SMALLINT"` // What hapens if RefIssueID resolves
RefRepoID int64 `xorm:"index"` // Repo where the referencing
RefIssueID int64 `xorm:"index"`
RefCommentID int64 `xorm:"index"` // 0 if origin is Issue title or content (or PR's)
RefAction references.XRefAction `xorm:"SMALLINT"` // What hapens if RefIssueID resolves
RefIsPull bool
RefRepo *Repository `xorm:"-"`
@ -773,7 +774,7 @@ type CreateCommentOptions struct {
RefRepoID int64
RefIssueID int64
RefCommentID int64
RefAction XRefAction
RefAction references.XRefAction
RefIsPull bool
}

111
models/issue_xref.go

@ -5,42 +5,16 @@
package models
import (
"regexp"
"strconv"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/references"
"github.com/go-xorm/xorm"
"github.com/unknwon/com"
)
var (
// TODO: Unify all regexp treatment of cross references in one place
// issueNumericPattern matches string that references to a numeric issue, e.g. #1287
issueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(?:#)([0-9]+)(?:\s|$|\)|\]|:|\.(\s|$))`)
// crossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
crossReferenceIssueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-zA-Z-_\.]+)/([0-9a-zA-Z-_\.]+)#([0-9]+)(?:\s|$|\)|\]|\.(\s|$))`)
)
// XRefAction represents the kind of effect a cross reference has once is resolved
type XRefAction int64
const (
// XRefActionNone means the cross-reference is a mention (commit, etc.)
XRefActionNone XRefAction = iota // 0
// XRefActionCloses means the cross-reference should close an issue if it is resolved
XRefActionCloses // 1 - not implemented yet
// XRefActionReopens means the cross-reference should reopen an issue if it is resolved
XRefActionReopens // 2 - Not implemented yet
// XRefActionNeutered means the cross-reference will no longer affect the source
XRefActionNeutered // 3
)
type crossReference struct {
Issue *Issue
Action XRefAction
Action references.XRefAction
}
// crossReferencesContext is context to pass along findCrossReference functions
@ -72,7 +46,7 @@ func newCrossReference(e *xorm.Session, ctx *crossReferencesContext, xref *cross
func neuterCrossReferences(e Engine, issueID int64, commentID int64) error {
active := make([]*Comment, 0, 10)
sess := e.Where("`ref_action` IN (?, ?, ?)", XRefActionNone, XRefActionCloses, XRefActionReopens)
sess := e.Where("`ref_action` IN (?, ?, ?)", references.XRefActionNone, references.XRefActionCloses, references.XRefActionReopens)
if issueID != 0 {
sess = sess.And("`ref_issue_id` = ?", issueID)
}
@ -86,7 +60,7 @@ func neuterCrossReferences(e Engine, issueID int64, commentID int64) error {
for i, c := range active {
ids[i] = c.ID
}
_, err := e.In("id", ids).Cols("`ref_action`").Update(&Comment{RefAction: XRefActionNeutered})
_, err := e.In("id", ids).Cols("`ref_action`").Update(&Comment{RefAction: references.XRefActionNeutered})
return err
}
@ -110,11 +84,11 @@ func (issue *Issue) addCrossReferences(e *xorm.Session, doer *User) error {
Doer: doer,
OrigIssue: issue,
}
return issue.createCrossReferences(e, ctx, issue.Title+"\n"+issue.Content)
return issue.createCrossReferences(e, ctx, issue.Title, issue.Content)
}
func (issue *Issue) createCrossReferences(e *xorm.Session, ctx *crossReferencesContext, content string) error {
xreflist, err := ctx.OrigIssue.getCrossReferences(e, ctx, content)
func (issue *Issue) createCrossReferences(e *xorm.Session, ctx *crossReferencesContext, plaincontent, mdcontent string) error {
xreflist, err := ctx.OrigIssue.getCrossReferences(e, ctx, plaincontent, mdcontent)
if err != nil {
return err
}
@ -126,47 +100,43 @@ func (issue *Issue) createCrossReferences(e *xorm.Session, ctx *crossReferencesC
return nil
}
func (issue *Issue) getCrossReferences(e *xorm.Session, ctx *crossReferencesContext, content string) ([]*crossReference, error) {
func (issue *Issue) getCrossReferences(e *xorm.Session, ctx *crossReferencesContext, plaincontent, mdcontent string) ([]*crossReference, error) {
xreflist := make([]*crossReference, 0, 5)
var xref *crossReference
// Issues in the same repository
// FIXME: Should we support IssueNameStyleAlphanumeric?
matches := issueNumericPattern.FindAllStringSubmatch(content, -1)
for _, match := range matches {
if index, err := strconv.ParseInt(match[1], 10, 64); err == nil {
if err = ctx.OrigIssue.loadRepo(e); err != nil {
var (
refRepo *Repository
refIssue *Issue
err error
)
allrefs := append(references.FindAllIssueReferences(plaincontent), references.FindAllIssueReferencesMarkdown(mdcontent)...)
for _, ref := range allrefs {
if ref.Owner == "" && ref.Name == "" {
// Issues in the same repository
if err := ctx.OrigIssue.loadRepo(e); err != nil {
return nil, err
}
if xref, err = ctx.OrigIssue.isValidCommentReference(e, ctx, issue.Repo, index); err != nil {
return nil, err
}
if xref != nil {
xreflist = ctx.OrigIssue.updateCrossReferenceList(xreflist, xref)
}
}
}
// Issues in other repositories
matches = crossReferenceIssueNumericPattern.FindAllStringSubmatch(content, -1)
for _, match := range matches {
if index, err := strconv.ParseInt(match[3], 10, 64); err == nil {
repo, err := getRepositoryByOwnerAndName(e, match[1], match[2])
refRepo = ctx.OrigIssue.Repo
} else {
// Issues in other repositories
refRepo, err = getRepositoryByOwnerAndName(e, ref.Owner, ref.Name)
if err != nil {
if IsErrRepoNotExist(err) {
continue
}
return nil, err
}
if err = ctx.OrigIssue.loadRepo(e); err != nil {
return nil, err
}
if xref, err = issue.isValidCommentReference(e, ctx, repo, index); err != nil {
return nil, err
}
if xref != nil {
xreflist = issue.updateCrossReferenceList(xreflist, xref)
}
}
if refIssue, err = ctx.OrigIssue.findReferencedIssue(e, ctx, refRepo, ref.Index); err != nil {
return nil, err
}
if refIssue != nil {
xreflist = ctx.OrigIssue.updateCrossReferenceList(xreflist, &crossReference{
Issue: refIssue,
// FIXME: currently ignore keywords
// Action: ref.Action,
Action: references.XRefActionNone,
})
}
}
@ -179,7 +149,7 @@ func (issue *Issue) updateCrossReferenceList(list []*crossReference, xref *cross
}
for i, r := range list {
if r.Issue.ID == xref.Issue.ID {
if xref.Action != XRefActionNone {
if xref.Action != references.XRefActionNone {
list[i].Action = xref.Action
}
return list
@ -188,7 +158,7 @@ func (issue *Issue) updateCrossReferenceList(list []*crossReference, xref *cross
return append(list, xref)
}
func (issue *Issue) isValidCommentReference(e Engine, ctx *crossReferencesContext, repo *Repository, index int64) (*crossReference, error) {
func (issue *Issue) findReferencedIssue(e Engine, ctx *crossReferencesContext, repo *Repository, index int64) (*Issue, error) {
refIssue := &Issue{RepoID: repo.ID, Index: index}
if has, _ := e.Get(refIssue); !has {
return nil, nil
@ -206,10 +176,7 @@ func (issue *Issue) isValidCommentReference(e Engine, ctx *crossReferencesContex
return nil, nil
}
}
return &crossReference{
Issue: refIssue,
Action: XRefActionNone,
}, nil
return refIssue, nil
}
func (issue *Issue) neuterCrossReferences(e Engine) error {
@ -237,7 +204,7 @@ func (comment *Comment) addCrossReferences(e *xorm.Session, doer *User) error {
OrigIssue: comment.Issue,
OrigComment: comment,
}
return comment.Issue.createCrossReferences(e, ctx, comment.Content)
return comment.Issue.createCrossReferences(e, ctx, "", comment.Content)
}
func (comment *Comment) neuterCrossReferences(e Engine) error {

124
modules/markup/html.go

@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
@ -36,17 +37,6 @@ var (
// While fast, this is also incorrect and lead to false positives.
// TODO: fix invalid linking issue
// mentionPattern matches all mentions in the form of "@user"
mentionPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(@[0-9a-zA-Z-_\.]+)(?:\s|$|\)|\])`)
// issueNumericPattern matches string that references to a numeric issue, e.g. #1287
issueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(#[0-9]+)(?:\s|$|\)|\]|:|\.(\s|$))`)
// issueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
issueAlphanumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([A-Z]{1,10}-[1-9][0-9]*)(?:\s|$|\)|\]|:|\.(\s|$))`)
// crossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
crossReferenceIssueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-zA-Z-_\.]+/[0-9a-zA-Z-_\.]+#[0-9]+)(?:\s|$|\)|\]|\.(\s|$))`)
// sha1CurrentPattern matches string that represents a commit SHA, e.g. d8a994ef243349f321568f9e36d5c3f444b99cae
// Although SHA1 hashes are 40 chars long, the regex matches the hash from 7 to 40 chars in length
// so that abbreviated hash links can be used as well. This matches git and github useability.
@ -70,6 +60,9 @@ var (
linkRegex, _ = xurls.StrictMatchingScheme("https?://")
)
// CSS class for action keywords (e.g. "closes: #1")
const keywordClass = "issue-keyword"
// regexp for full links to issues/pulls
var issueFullPattern *regexp.Regexp
@ -99,17 +92,6 @@ func getIssueFullPattern() *regexp.Regexp {
return issueFullPattern
}
// FindAllMentions matches mention patterns in given content
// and returns a list of found user names without @ prefix.
func FindAllMentions(content string) []string {
mentions := mentionPattern.FindAllStringSubmatch(content, -1)
ret := make([]string, len(mentions))
for i, val := range mentions {
ret[i] = val[1][1:]
}
return ret
}
// IsSameDomain checks if given url string has the same hostname as current Gitea instance
func IsSameDomain(s string) bool {
if strings.HasPrefix(s, "/") {
@ -142,7 +124,6 @@ var defaultProcessors = []processor{
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
crossReferenceIssueIndexPatternProcessor,
sha1CurrentPatternProcessor,
emailAddressProcessor,
}
@ -183,7 +164,6 @@ var commitMessageProcessors = []processor{
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
crossReferenceIssueIndexPatternProcessor,
sha1CurrentPatternProcessor,
emailAddressProcessor,
}
@ -217,7 +197,6 @@ var commitMessageSubjectProcessors = []processor{
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
crossReferenceIssueIndexPatternProcessor,
sha1CurrentPatternProcessor,
}
@ -330,6 +309,24 @@ func (ctx *postProcessCtx) textNode(node *html.Node) {
}
}
// createKeyword() renders a highlighted version of an action keyword
func createKeyword(content string) *html.Node {
span := &html.Node{
Type: html.ElementNode,
Data: atom.Span.String(),
Attr: []html.Attribute{},
}
span.Attr = append(span.Attr, html.Attribute{Key: "class", Val: keywordClass})
text := &html.Node{
Type: html.TextNode,
Data: content,
}
span.AppendChild(text)
return span
}
func createLink(href, content, class string) *html.Node {
a := &html.Node{
Type: html.ElementNode,
@ -377,10 +374,16 @@ func createCodeLink(href, content, class string) *html.Node {
return a
}
// replaceContent takes a text node, and in its content it replaces a section of
// it with the specified newNode. An example to visualize how this can work can
// be found here: https://play.golang.org/p/5zP8NnHZ03s
// replaceContent takes text node, and in its content it replaces a section of
// it with the specified newNode.
func replaceContent(node *html.Node, i, j int, newNode *html.Node) {
replaceContentList(node, i, j, []*html.Node{newNode})
}
// replaceContentList takes text node, and in its content it replaces a section of
// it with the specified newNodes. An example to visualize how this can work can
// be found here: https://play.golang.org/p/5zP8NnHZ03s
func replaceContentList(node *html.Node, i, j int, newNodes []*html.Node) {
// get the data before and after the match
before := node.Data[:i]
after := node.Data[j:]
@ -392,7 +395,9 @@ func replaceContent(node *html.Node, i, j int, newNode *html.Node) {
// Get the current next sibling, before which we place the replaced data,
// and after that we place the new text node.
nextSibling := node.NextSibling
node.Parent.InsertBefore(newNode, nextSibling)
for _, n := range newNodes {
node.Parent.InsertBefore(n, nextSibling)
}
if after != "" {
node.Parent.InsertBefore(&html.Node{
Type: html.TextNode,
@ -402,13 +407,13 @@ func replaceContent(node *html.Node, i, j int, newNode *html.Node) {
}
func mentionProcessor(_ *postProcessCtx, node *html.Node) {
m := mentionPattern.FindStringSubmatchIndex(node.Data)
if m == nil {
// We replace only the first mention; other mentions will be addressed later
found, loc := references.FindFirstMentionBytes([]byte(node.Data))
if !found {
return
}
// Replace the mention with a link to the specified user.
mention := node.Data[m[2]:m[3]]
replaceContent(node, m[2], m[3], createLink(util.URLJoin(setting.AppURL, mention[1:]), mention, "mention"))
mention := node.Data[loc.Start:loc.End]
replaceContent(node, loc.Start, loc.End, createLink(util.URLJoin(setting.AppURL, mention[1:]), mention, "mention"))
}
func shortLinkProcessor(ctx *postProcessCtx, node *html.Node) {
@ -597,45 +602,44 @@ func issueIndexPatternProcessor(ctx *postProcessCtx, node *html.Node) {
if ctx.metas == nil {
return
}
// default to numeric pattern, unless alphanumeric is requested.
pattern := issueNumericPattern
var (
found bool
ref *references.RenderizableReference
)
if ctx.metas["style"] == IssueNameStyleAlphanumeric {
pattern = issueAlphanumericPattern
found, ref = references.FindRenderizableReferenceAlphanumeric(node.Data)
} else {
found, ref = references.FindRenderizableReferenceNumeric(node.Data)
}
match := pattern.FindStringSubmatchIndex(node.Data)
if match == nil {
if !found {
return
}
id := node.Data[match[2]:match[3]]
var link *html.Node
reftext := node.Data[ref.RefLocation.Start:ref.RefLocation.End]
if _, ok := ctx.metas["format"]; ok {
// Support for external issue tracker
if ctx.metas["style"] == IssueNameStyleAlphanumeric {
ctx.metas["index"] = id
} else {
ctx.metas["index"] = id[1:]
}
link = createLink(com.Expand(ctx.metas["format"], ctx.metas), id, "issue")
ctx.metas["index"] = ref.Issue
link = createLink(com.Expand(ctx.metas["format"], ctx.metas), reftext, "issue")
} else if ref.Owner == "" {
link = createLink(util.URLJoin(setting.AppURL, ctx.metas["user"], ctx.metas["repo"], "issues", ref.Issue), reftext, "issue")
} else {
link = createLink(util.URLJoin(setting.AppURL, ctx.metas["user"], ctx.metas["repo"], "issues", id[1:]), id, "issue")
link = createLink(util.URLJoin(setting.AppURL, ref.Owner, ref.Name, "issues", ref.Issue), reftext, "issue")
}
replaceContent(node, match[2], match[3], link)
}
func crossReferenceIssueIndexPatternProcessor(ctx *postProcessCtx, node *html.Node) {
m := crossReferenceIssueNumericPattern.FindStringSubmatchIndex(node.Data)
if m == nil {
if ref.Action == references.XRefActionNone {
replaceContent(node, ref.RefLocation.Start, ref.RefLocation.End, link)
return
}
ref := node.Data[m[2]:m[3]]
parts := strings.SplitN(ref, "#", 2)
repo, issue := parts[0], parts[1]
replaceContent(node, m[2], m[3],
createLink(util.URLJoin(setting.AppURL, repo, "issues", issue), ref, issue))
// Decorate action keywords
keyword := createKeyword(node.Data[ref.ActionLocation.Start:ref.ActionLocation.End])
spaces := &html.Node{
Type: html.TextNode,
Data: node.Data[ref.ActionLocation.End:ref.RefLocation.Start],
}
replaceContentList(node, ref.ActionLocation.Start, ref.RefLocation.End, []*html.Node{keyword, spaces, link})
}
// fullSha1PatternProcessor renders SHA containing URLs

92
modules/markup/html_internal_test.go

@ -239,34 +239,6 @@ func TestRender_FullIssueURLs(t *testing.T) {
`<a href="http://localhost:3000/gogits/gogs/issues/4" class="issue">#4</a>`)
}
func TestRegExp_issueNumericPattern(t *testing.T) {
trueTestCases := []string{
"#1234",
"#0",
"#1234567890987654321",
" #12",
"#12:",
"ref: #12: msg",
}
falseTestCases := []string{
"# 1234",
"# 0",
"# ",
"#",
"#ABC",
"#1A2B",
"",
"ABC",
}
for _, testCase := range trueTestCases {
assert.True(t, issueNumericPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, issueNumericPattern.MatchString(testCase))
}
}
func TestRegExp_sha1CurrentPattern(t *testing.T) {
trueTestCases := []string{
"d8a994ef243349f321568f9e36d5c3f444b99cae",
@ -325,70 +297,6 @@ func TestRegExp_anySHA1Pattern(t *testing.T) {
}
}
func TestRegExp_mentionPattern(t *testing.T) {
trueTestCases := []string{
"@Unknwon",
"@ANT_123",
"@xxx-DiN0-z-A..uru..s-xxx",
" @lol ",
" @Te-st",
"(@gitea)",
"[@gitea]",
}
falseTestCases := []string{
"@ 0",
"@ ",
"@",
"",
"ABC",
"/home/gitea/@gitea",
"\"@gitea\"",
}
for _, testCase := range trueTestCases {
res := mentionPattern.MatchString(testCase)
assert.True(t, res)
}
for _, testCase := range falseTestCases {
res := mentionPattern.MatchString(testCase)
assert.False(t, res)
}
}
func TestRegExp_issueAlphanumericPattern(t *testing.T) {
trueTestCases := []string{
"ABC-1234",
"A-1",
"RC-80",
"ABCDEFGHIJ-1234567890987654321234567890",
"ABC-123.",
"(ABC-123)",
"[ABC-123]",
"ABC-123:",
}
falseTestCases := []string{
"RC-08",
"PR-0",
"ABCDEFGHIJK-1",
"PR_1",
"",
"#ABC",
"",
"ABC",
"GG-",
"rm-1",
"/home/gitea/ABC-1234",
"MY-STRING-ABC-123",
}
for _, testCase := range trueTestCases {
assert.True(t, issueAlphanumericPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, issueAlphanumericPattern.MatchString(testCase))
}
}
func TestRegExp_shortLinkPattern(t *testing.T) {
trueTestCases := []string{
"[[stuff]]",

260
modules/markup/mdstripper/mdstripper.go

@ -0,0 +1,260 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package mdstripper
import (
"bytes"
"github.com/russross/blackfriday"
)
// MarkdownStripper extends blackfriday.Renderer
type MarkdownStripper struct {
blackfriday.Renderer
links []string
coallesce bool
}
const (
blackfridayExtensions = 0 |
blackfriday.EXTENSION_NO_INTRA_EMPHASIS |
blackfriday.EXTENSION_TABLES |
blackfriday.EXTENSION_FENCED_CODE |
blackfriday.EXTENSION_STRIKETHROUGH |
blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK |
blackfriday.EXTENSION_DEFINITION_LISTS |
blackfriday.EXTENSION_FOOTNOTES |
blackfriday.EXTENSION_HEADER_IDS |
blackfriday.EXTENSION_AUTO_HEADER_IDS |
// Not included in modules/markup/markdown/markdown.go;
// required here to process inline links
blackfriday.EXTENSION_AUTOLINK
)
//revive:disable:var-naming Implementing the Rendering interface requires breaking some linting rules
// StripMarkdown parses markdown content by removing all markup and code blocks
// in order to extract links and other references
func StripMarkdown(rawBytes []byte) (string, []string) {
stripper := &MarkdownStripper{
links: make([]string, 0, 10),
}
body := blackfriday.Markdown(rawBytes, stripper, blackfridayExtensions)
return string(body), stripper.GetLinks()
}
// StripMarkdownBytes parses markdown content by removing all markup and code blocks
// in order to extract links and other references
func StripMarkdownBytes(rawBytes []byte) ([]byte, []string) {
stripper := &MarkdownStripper{
links: make([]string, 0, 10),
}
body := blackfriday.Markdown(rawBytes, stripper, blackfridayExtensions)
return body, stripper.GetLinks()
}
// block-level callbacks
// BlockCode dummy function to proceed with rendering
func (r *MarkdownStripper) BlockCode(out *bytes.Buffer, text []byte, infoString string) {
// Not rendered
r.coallesce = false
}
// BlockQuote dummy function to proceed with rendering
func (r *MarkdownStripper) BlockQuote(out *bytes.Buffer, text []byte) {
// FIXME: perhaps it's better to leave out block quote for this?
r.processString(out, text, false)
}
// BlockHtml dummy function to proceed with rendering
func (r *MarkdownStripper) BlockHtml(out *bytes.Buffer, text []byte) { //nolint
// Not rendered
r.coallesce = false
}
// Header dummy function to proceed with rendering
func (r *MarkdownStripper) Header(out *bytes.Buffer, text func() bool, level int, id string) {
text()
r.coallesce = false
}
// HRule dummy function to proceed with rendering
func (r *MarkdownStripper) HRule(out *bytes.Buffer) {
// Not rendered
r.coallesce = false
}
// List dummy function to proceed with rendering
func (r *MarkdownStripper) List(out *bytes.Buffer, text func() bool, flags int) {
text()
r.coallesce = false
}
// ListItem dummy function to proceed with rendering
func (r *MarkdownStripper) ListItem(out *bytes.Buffer, text []byte, flags int) {
r.processString(out, text, false)
}
// Paragraph dummy function to proceed with rendering
func (r *MarkdownStripper) Paragraph(out *bytes.Buffer, text func() bool) {
text()
r.coallesce = false
}
// Table dummy function to proceed with rendering
func (r *MarkdownStripper) Table(out *bytes.Buffer, header []byte, body []byte, columnData []int) {
r.processString(out, header, false)
r.processString(out, body, false)
}
// TableRow dummy function to proceed with rendering
func (r *MarkdownStripper) TableRow(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// TableHeaderCell dummy function to proceed with rendering
func (r *MarkdownStripper) TableHeaderCell(out *bytes.Buffer, text []byte, flags int) {
r.processString(out, text, false)
}
// TableCell dummy function to proceed with rendering
func (r *MarkdownStripper) TableCell(out *bytes.Buffer, text []byte, flags int) {
r.processString(out, text, false)
}
// Footnotes dummy function to proceed with rendering
func (r *MarkdownStripper) Footnotes(out *bytes.Buffer, text func() bool) {
text()
}
// FootnoteItem dummy function to proceed with rendering
func (r *MarkdownStripper) FootnoteItem(out *bytes.Buffer, name, text []byte, flags int) {
r.processString(out, text, false)
}
// TitleBlock dummy function to proceed with rendering
func (r *MarkdownStripper) TitleBlock(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// Span-level callbacks
// AutoLink dummy function to proceed with rendering
func (r *MarkdownStripper) AutoLink(out *bytes.Buffer, link []byte, kind int) {
r.processLink(out, link, []byte{})
}
// CodeSpan dummy function to proceed with rendering
func (r *MarkdownStripper) CodeSpan(out *bytes.Buffer, text []byte) {
// Not rendered
r.coallesce = false
}
// DoubleEmphasis dummy function to proceed with rendering
func (r *MarkdownStripper) DoubleEmphasis(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// Emphasis dummy function to proceed with rendering
func (r *MarkdownStripper) Emphasis(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// Image dummy function to proceed with rendering
func (r *MarkdownStripper) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) {
// Not rendered
r.coallesce = false
}
// LineBreak dummy function to proceed with rendering
func (r *MarkdownStripper) LineBreak(out *bytes.Buffer) {
// Not rendered
r.coallesce = false
}
// Link dummy function to proceed with rendering
func (r *MarkdownStripper) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) {
r.processLink(out, link, content)
}
// RawHtmlTag dummy function to proceed with rendering
func (r *MarkdownStripper) RawHtmlTag(out *bytes.Buffer, tag []byte) { //nolint
// Not rendered
r.coallesce = false
}
// TripleEmphasis dummy function to proceed with rendering
func (r *MarkdownStripper) TripleEmphasis(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// StrikeThrough dummy function to proceed with rendering
func (r *MarkdownStripper) StrikeThrough(out *bytes.Buffer, text []byte) {
r.processString(out, text, false)
}
// FootnoteRef dummy function to proceed with rendering
func (r *MarkdownStripper) FootnoteRef(out *bytes.Buffer, ref []byte, id int) {
// Not rendered
r.coallesce = false
}
// Low-level callbacks
// Entity dummy function to proceed with rendering
func (r *MarkdownStripper) Entity(out *bytes.Buffer, entity []byte) {
// FIXME: literal entities are not parsed; perhaps they should
r.coallesce = false
}
// NormalText dummy function to proceed with rendering
func (r *MarkdownStripper) NormalText(out *bytes.Buffer, text []byte) {
r.processString(out, text, true)
}
// Header and footer
// DocumentHeader dummy function to proceed with rendering
func (r *MarkdownStripper) DocumentHeader(out *bytes.Buffer) {
r.coallesce = false
}
// DocumentFooter dummy function to proceed with rendering
func (r *MarkdownStripper) DocumentFooter(out *bytes.Buffer) {
r.coallesce = false
}
// GetFlags returns rendering flags
func (r *MarkdownStripper) GetFlags() int {
return 0
}
//revive:enable:var-naming
func doubleSpace(out *bytes.Buffer) {
if out.Len() > 0 {
out.WriteByte('\n')
}
}
func (r *MarkdownStripper) processString(out *bytes.Buffer, text []byte, coallesce bool) {
// Always break-up words
if !coallesce || !r.coallesce {
doubleSpace(out)
}
out.Write(text)
r.coallesce = coallesce
}
func (r *MarkdownStripper) processLink(out *bytes.Buffer, link []byte, content []byte) {
// Links are processed out of band
r.links = append(r.links, string(link))
r.coallesce = false
}
// GetLinks returns the list of link data collected while parsing
func (r *MarkdownStripper) GetLinks() []string {
return r.links
}

71
modules/markup/mdstripper/mdstripper_test.go

@ -0,0 +1,71 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package mdstripper
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestMarkdownStripper(t *testing.T) {
type testItem struct {
markdown string
expectedText []string
expectedLinks []string
}
list := []testItem{
{
`
## This is a title
This is [one](link) to paradise.
This **is emphasized**.
This: should coallesce.
` + "```" + `
This is a code block.
This should not appear in the output at all.
` + "```" + `
* Bullet 1
* Bullet 2
A HIDDEN ` + "`" + `GHOST` + "`" + ` IN THIS LINE.
`,
[]string{
"This is a title",
"This is",
"to paradise.",
"This",
"is emphasized",
".",
"This: should coallesce.",
"Bullet 1",
"Bullet 2",
"A HIDDEN",
"IN THIS LINE.",
},
[]string{
"link",
}},
}
for _, test := range list {
text, links := StripMarkdown([]byte(test.markdown))
rawlines := strings.Split(text, "\n")
lines := make([]string, 0, len(rawlines))
for _, line := range rawlines {
line := strings.TrimSpace(line)
if line != "" {
lines = append(lines, line)
}
}
assert.EqualValues(t, test.expectedText, lines)
assert.EqualValues(t, test.expectedLinks, links)
}
}

3
modules/markup/sanitizer.go

@ -38,6 +38,9 @@ func NewSanitizer() {
// Custom URL-Schemes
sanitizer.policy.AllowURLSchemes(setting.Markdown.CustomURLSchemes...)
// Allow keyword markup
sanitizer.policy.AllowAttrs("class").Matching(regexp.MustCompile(`^` + keywordClass + `$`)).OnElements("span")
})
}

322
modules/references/references.go

@ -0,0 +1,322 @@
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package references
import (
"net/url"
"regexp"
"strconv"
"strings"
"sync"
"code.gitea.io/gitea/modules/markup/mdstripper"
"code.gitea.io/gitea/modules/setting"
)
var (
// validNamePattern performs only the most basic validation for user or repository names
// Repository name should contain only alphanumeric, dash ('-'), underscore ('_') and dot ('.') characters.
validNamePattern = regexp.MustCompile(`^[a-z0-9_.-]+$`)
// NOTE: All below regex matching do not perform any extra validation.
// Thus a link is produced even if the linked entity does not exist.
// While fast, this is also incorrect and lead to false positives.
// TODO: fix invalid linking issue
// mentionPattern matches all mentions in the form of "@user"
mentionPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(@[0-9a-zA-Z-_\.]+)(?:\s|$|\)|\])`)
// issueNumericPattern matches string that references to a numeric issue, e.g. #1287
issueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(#[0-9]+)(?:\s|$|\)|\]|:|\.(\s|$))`)
// issueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
issueAlphanumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([A-Z]{1,10}-[1-9][0-9]*)(?:\s|$|\)|\]|:|\.(\s|$))`)
// crossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
crossReferenceIssueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-zA-Z-_\.]+/[0-9a-zA-Z-_\.]+#[0-9]+)(?:\s|$|\)|\]|\.(\s|$))`)
// Same as GitHub. See
// https://help.github.com/articles/closing-issues-via-commit-messages
issueCloseKeywords = []string{"close", "closes", "closed", "fix", "fixes", "fixed", "resolve", "resolves", "resolved"}
issueReopenKeywords = []string{"reopen", "reopens", "reopened"}
issueCloseKeywordsPat, issueReopenKeywordsPat *regexp.Regexp
giteaHostInit sync.Once
giteaHost string
)
// XRefAction represents the kind of effect a cross reference has once is resolved
type XRefAction int64
const (
// XRefActionNone means the cross-reference is simply a comment
XRefActionNone XRefAction = iota // 0
// XRefActionCloses means the cross-reference should close an issue if it is resolved
XRefActionCloses // 1
// XRefActionReopens means the cross-reference should reopen an issue if it is resolved
XRefActionReopens // 2
// XRefActionNeutered means the cross-reference will no longer affect the source
XRefActionNeutered // 3
)
// IssueReference contains an unverified cross-reference to a local issue or pull request
type IssueReference struct {
Index int64
Owner string
Name string
Action XRefAction
}
// RenderizableReference contains an unverified cross-reference to with rendering information
type RenderizableReference struct {
Issue string
Owner string
Name string
RefLocation *RefSpan
Action XRefAction
ActionLocation *RefSpan
}
type rawReference struct {
index int64
owner string
name string
action XRefAction
issue string
refLocation *RefSpan
actionLocation *RefSpan
}
func rawToIssueReferenceList(reflist []*rawReference) []IssueReference {
refarr := make([]IssueReference, len(reflist))
for i, r := range reflist {
refarr[i] = IssueReference{
Index: r.index,
Owner: r.owner,
Name: r.name,
Action: r.action,
}
}
return refarr
}
// RefSpan is the position where the reference was found within the parsed text
type RefSpan struct {
Start int
End int
}
func makeKeywordsPat(keywords []string) *regexp.Regexp {
return regexp.MustCompile(`(?i)(?:\s|^|\(|\[)(` + strings.Join(keywords, `|`) + `):? $`)
}
func init() {
issueCloseKeywordsPat = makeKeywordsPat(issueCloseKeywords)
issueReopenKeywordsPat = makeKeywordsPat(issueReopenKeywords)
}
// getGiteaHostName returns a normalized string with the local host name, with no scheme or port information
func getGiteaHostName() string {
giteaHostInit.Do(func() {
if uapp, err := url.Parse(setting.AppURL); err == nil {
giteaHost = strings.ToLower(uapp.Host)
} else {
giteaHost = ""
}
})
return giteaHost
}
// 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 {
bcontent, _ := mdstripper.StripMarkdownBytes([]byte(content))
locations := FindAllMentionsBytes(bcontent)
mentions := make([]string, len(locations))
for i, val := range locations {
mentions[i] = string(bcontent[val.Start+1 : val.End])
}
return mentions
}
// FindAllMentionsBytes matches mention patterns in given content
// and returns a list of locations for the unvalidated user names, including the @ prefix.
func FindAllMentionsBytes(content []byte) []RefSpan {
mentions := mentionPattern.FindAllSubmatchIndex(content, -1)
ret := make([]RefSpan, len(mentions))
for i, val := range mentions {
ret[i] = RefSpan{Start: val[2], End: val[3]}
}
return ret
}
// FindFirstMentionBytes matches the first mention in then given content
// and returns the location of the unvalidated user name, including the @ prefix.
func FindFirstMentionBytes(content []byte) (bool, RefSpan) {
mention := mentionPattern.