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Restructure markup & markdown to prepare for multiple markup language… (#2411)

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* restructure markup & markdown to prepare for multiple markup languages support

* adjust some functions between markdown and markup

* fix tests

* improve the comments
This commit is contained in:
Lunny Xiao 2017-09-17 01:17:57 +08:00 • committed by Lauris BH
parent 911ca02153
commit 52e11b24bf
19 changed files with 1206 additions and 1109 deletions
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4
models/issue_comment.go
View file

@ -16,7 +16,7 @@ import (
api "code.gitea.io/sdk/gitea"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
)
// CommentType defines whether a comment is just a simple comment, an action (like close) or a reference.
@ -272,7 +272,7 @@ func (c *Comment) LoadAssignees() error {
// MailParticipants sends new comment emails to repository watchers
// and mentioned people.
func (c *Comment) MailParticipants(e Engine, opType ActionType, issue *Issue) (err error) {
mentions := markdown.FindAllMentions(c.Content)
mentions := markup.FindAllMentions(c.Content)
if err = UpdateIssueMentions(e, c.IssueID, mentions); err != nil {
return fmt.Errorf("UpdateIssueMentions [%d]: %v", c.IssueID, err)
}

4
models/issue_mail.go
View file

@ -10,7 +10,7 @@ import (
"github.com/Unknwon/com"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
@ -104,7 +104,7 @@ func (issue *Issue) MailParticipants() (err error) {
}
func (issue *Issue) mailParticipants(e Engine) (err error) {
mentions := markdown.FindAllMentions(issue.Content)
mentions := markup.FindAllMentions(issue.Content)
if err = UpdateIssueMentions(e, issue.ID, mentions); err != nil {
return fmt.Errorf("UpdateIssueMentions [%d]: %v", issue.ID, err)
}

3
models/mail.go
View file

@ -14,6 +14,7 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/mailer"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"gopkg.in/gomail.v2"
"gopkg.in/macaron.v1"
@ -150,7 +151,7 @@ func composeTplData(subject, body, link string) map[string]interface{} {
func composeIssueCommentMessage(issue *Issue, doer *User, comment *Comment, tplName base.TplName, tos []string, info string) *mailer.Message {
subject := issue.mailSubject()
body := string(markdown.RenderString(issue.Content, issue.Repo.HTMLURL(), issue.Repo.ComposeMetas()))
body := string(markup.RenderByType(markdown.MarkupName, []byte(issue.Content), issue.Repo.HTMLURL(), issue.Repo.ComposeMetas()))
data := make(map[string]interface{}, 10)
if comment != nil {

4
models/migrations/v16.go
View file

@ -8,7 +8,7 @@ import (
"fmt"
"time"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"github.com/go-xorm/xorm"
)
@ -101,7 +101,7 @@ func addUnitsToTables(x *xorm.Engine) error {
config["ExternalTrackerURL"] = repo.ExternalTrackerURL
config["ExternalTrackerFormat"] = repo.ExternalTrackerFormat
if len(repo.ExternalTrackerStyle) == 0 {
repo.ExternalTrackerStyle = markdown.IssueNameStyleNumeric
repo.ExternalTrackerStyle = markup.IssueNameStyleNumeric
}
config["ExternalTrackerStyle"] = repo.ExternalTrackerStyle
case V16UnitTypeExternalWiki:

10
models/repo.go
View file

@ -22,7 +22,7 @@ import (
"code.gitea.io/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/options"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
@ -480,10 +480,10 @@ func (repo *Repository) ComposeMetas() map[string]string {
"repo": repo.Name,
}
switch unit.ExternalTrackerConfig().ExternalTrackerStyle {
case markdown.IssueNameStyleAlphanumeric:
repo.ExternalMetas["style"] = markdown.IssueNameStyleAlphanumeric
case markup.IssueNameStyleAlphanumeric:
repo.ExternalMetas["style"] = markup.IssueNameStyleAlphanumeric
default:
repo.ExternalMetas["style"] = markdown.IssueNameStyleNumeric
repo.ExternalMetas["style"] = markup.IssueNameStyleNumeric
}
}
@ -708,7 +708,7 @@ func (repo *Repository) DescriptionHTML() template.HTML {
sanitize := func(s string) string {
return fmt.Sprintf(`<a href="%[1]s" target="_blank" rel="noopener">%[1]s</a>`, s)
}
return template.HTML(descPattern.ReplaceAllStringFunc(markdown.Sanitize(repo.Description), sanitize))
return template.HTML(descPattern.ReplaceAllStringFunc(markup.Sanitize(repo.Description), sanitize))
}
// LocalCopyPath returns the local repository copy path

12
models/repo_test.go
View file

@ -8,7 +8,7 @@ import (
"path"
"testing"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
@ -39,13 +39,13 @@ func TestRepo(t *testing.T) {
assert.Equal(t, "https://someurl.com/{user}/{repo}/{issue}", metas["format"])
}
testSuccess(markdown.IssueNameStyleNumeric)
testSuccess(markup.IssueNameStyleNumeric)
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markdown.IssueNameStyleAlphanumeric
testSuccess(markdown.IssueNameStyleAlphanumeric)
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markup.IssueNameStyleAlphanumeric
testSuccess(markup.IssueNameStyleAlphanumeric)
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markdown.IssueNameStyleNumeric
testSuccess(markdown.IssueNameStyleNumeric)
externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markup.IssueNameStyleNumeric
testSuccess(markup.IssueNameStyleNumeric)
}
func TestGetRepositoryCount(t *testing.T) {

574
modules/markdown/markdown.go
View file

@ -6,107 +6,14 @@ package markdown
import (
"bytes"
"fmt"
"io"
"net/url"
"path"
"path/filepath"
"regexp"
"strings"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
"github.com/russross/blackfriday"
"golang.org/x/net/html"
)
// Issue name styles
const (
IssueNameStyleNumeric = "numeric"
IssueNameStyleAlphanumeric = "alphanumeric"
)
// IsMarkdownFile reports whether name looks like a Markdown file
// based on its extension.
func IsMarkdownFile(name string) bool {
extension := strings.ToLower(filepath.Ext(name))
for _, ext := range setting.Markdown.FileExtensions {
if strings.ToLower(ext) == extension {
return true
}
}
return false
}
var (
// NOTE: All below regex matching do not perform any extra validation.
// Thus a link is produced even if the user does not exist, the issue does not exist, the commit does not exist, etc.
// While fast, this is also incorrect and lead to false positives.
// MentionPattern matches string that mentions someone, e.g. @Unknwon
MentionPattern = regexp.MustCompile(`(\s|^|\W)@[0-9a-zA-Z-_\.]+`)
// IssueNumericPattern matches string that references to a numeric issue, e.g. #1287
IssueNumericPattern = regexp.MustCompile(`( |^|\()#[0-9]+\b`)
// IssueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
IssueAlphanumericPattern = regexp.MustCompile(`( |^|\()[A-Z]{1,10}-[1-9][0-9]*\b`)
// CrossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
CrossReferenceIssueNumericPattern = regexp.MustCompile(`( |^)[0-9a-zA-Z]+/[0-9a-zA-Z]+#[0-9]+\b`)
// 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.
Sha1CurrentPattern = regexp.MustCompile(`(?:^|\s|\()([0-9a-f]{7,40})\b`)
// ShortLinkPattern matches short but difficult to parse [[name|link|arg=test]] syntax
ShortLinkPattern = regexp.MustCompile(`(\[\[.*?\]\]\w*)`)
// AnySHA1Pattern allows to split url containing SHA into parts
AnySHA1Pattern = regexp.MustCompile(`(http\S*)://(\S+)/(\S+)/(\S+)/(\S+)/([0-9a-f]{40})(?:/?([^#\s]+)?(?:#(\S+))?)?`)
validLinksPattern = regexp.MustCompile(`^[a-z][\w-]+://`)
)
// regexp for full links to issues/pulls
var issueFullPattern *regexp.Regexp
// InitMarkdown initialize regexps for markdown parsing
func InitMarkdown() {
getIssueFullPattern()
}
func getIssueFullPattern() *regexp.Regexp {
if issueFullPattern == nil {
appURL := setting.AppURL
if len(appURL) > 0 && appURL[len(appURL)-1] != '/' {
appURL += "/"
}
issueFullPattern = regexp.MustCompile(appURL +
`\w+/\w+/(?:issues|pulls)/((?:\w{1,10}-)?[1-9][0-9]*)([\?|#]\S+.(\S+)?)?\b`)
}
return issueFullPattern
}
// isLink reports whether link fits valid format.
func isLink(link []byte) bool {
return validLinksPattern.Match(link)
}
// FindAllMentions matches mention patterns in given content
// and returns a list of found user names without @ prefix.
func FindAllMentions(content string) []string {
mentions := MentionPattern.FindAllString(content, -1)
for i := range mentions {
mentions[i] = mentions[i][strings.Index(mentions[i], "@")+1:] // Strip @ character
}
return mentions
}
// Renderer is a extended version of underlying render object.
type Renderer struct {
blackfriday.Renderer
@ -116,13 +23,13 @@ type Renderer struct {
// Link defines how formal links should be processed to produce corresponding HTML elements.
func (r *Renderer) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) {
if len(link) > 0 && !isLink(link) {
if len(link) > 0 && !markup.IsLink(link) {
if link[0] != '#' {
lnk := string(link)
if r.isWikiMarkdown {
lnk = URLJoin("wiki", lnk)
lnk = markup.URLJoin("wiki", lnk)
}
mLink := URLJoin(r.urlPrefix, lnk)
mLink := markup.URLJoin(r.urlPrefix, lnk)
link = []byte(mLink)
}
}
@ -190,11 +97,11 @@ var (
func (r *Renderer) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) {
prefix := r.urlPrefix
if r.isWikiMarkdown {
prefix = URLJoin(prefix, "wiki", "src")
prefix = markup.URLJoin(prefix, "wiki", "src")
}
prefix = strings.Replace(prefix, "/src/", "/raw/", 1)
if len(link) > 0 {
if isLink(link) {
if markup.IsLink(link) {
// External link with .svg suffix usually means CI status.
// TODO: define a keyword to allow non-svg images render as external link.
if bytes.HasSuffix(link, svgSuffix) || bytes.Contains(link, svgSuffixWithMark) {
@ -203,7 +110,7 @@ func (r *Renderer) Image(out *bytes.Buffer, link []byte, title []byte, alt []byt
}
} else {
lnk := string(link)
lnk = URLJoin(prefix, lnk)
lnk = markup.URLJoin(prefix, lnk)
lnk = strings.Replace(lnk, " ", "+", -1)
link = []byte(lnk)
}
@ -216,351 +123,6 @@ func (r *Renderer) Image(out *bytes.Buffer, link []byte, title []byte, alt []byt
out.WriteString("</a>")
}
// cutoutVerbosePrefix cutouts URL prefix including sub-path to
// return a clean unified string of request URL path.
func cutoutVerbosePrefix(prefix string) string {
if len(prefix) == 0 || prefix[0] != '/' {
return prefix
}
count := 0
for i := 0; i < len(prefix); i++ {
if prefix[i] == '/' {
count++
}
if count >= 3+setting.AppSubURLDepth {
return prefix[:i]
}
}
return prefix
}
// URLJoin joins url components, like path.Join, but preserving contents
func URLJoin(base string, elems ...string) string {
u, err := url.Parse(base)
if err != nil {
log.Error(4, "URLJoin: Invalid base URL %s", base)
return ""
}
joinArgs := make([]string, 0, len(elems)+1)
joinArgs = append(joinArgs, u.Path)
joinArgs = append(joinArgs, elems...)
u.Path = path.Join(joinArgs...)
return u.String()
}
// RenderIssueIndexPattern renders issue indexes to corresponding links.
func RenderIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
urlPrefix = cutoutVerbosePrefix(urlPrefix)
pattern := IssueNumericPattern
if metas["style"] == IssueNameStyleAlphanumeric {
pattern = IssueAlphanumericPattern
}
ms := pattern.FindAll(rawBytes, -1)
for _, m := range ms {
if m[0] == ' ' || m[0] == '(' {
m = m[1:] // ignore leading space or opening parentheses
}
var link string
if metas == nil {
link = fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(urlPrefix, "issues", string(m[1:])), m)
} else {
// Support for external issue tracker
if metas["style"] == IssueNameStyleAlphanumeric {
metas["index"] = string(m)
} else {
metas["index"] = string(m[1:])
}
link = fmt.Sprintf(`<a href="%s">%s</a>`, com.Expand(metas["format"], metas), m)
}
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1)
}
return rawBytes
}
// IsSameDomain checks if given url string has the same hostname as current Gitea instance
func IsSameDomain(s string) bool {
if strings.HasPrefix(s, "/") {
return true
}
if uapp, err := url.Parse(setting.AppURL); err == nil {
if u, err := url.Parse(s); err == nil {
return u.Host == uapp.Host
}
return false
}
return false
}
// renderFullSha1Pattern renders SHA containing URLs
func renderFullSha1Pattern(rawBytes []byte, urlPrefix string) []byte {
ms := AnySHA1Pattern.FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
all := m[0]
protocol := string(m[1])
paths := string(m[2])
path := protocol + "://" + paths
author := string(m[3])
repoName := string(m[4])
path = URLJoin(path, author, repoName)
ltype := "src"
itemType := m[5]
if IsSameDomain(paths) {
ltype = string(itemType)
} else if string(itemType) == "commit" {
ltype = "commit"
}
sha := m[6]
var subtree string
if len(m) > 7 && len(m[7]) > 0 {
subtree = string(m[7])
}
var line []byte
if len(m) > 8 && len(m[8]) > 0 {
line = m[8]
}
urlSuffix := ""
text := base.ShortSha(string(sha))
if subtree != "" {
urlSuffix = "/" + subtree
text += urlSuffix
}
if line != nil {
value := string(line)
urlSuffix += "#"
urlSuffix += value
text += " ("
text += value
text += ")"
}
rawBytes = bytes.Replace(rawBytes, all, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, URLJoin(path, ltype, string(sha))+urlSuffix, text)), -1)
}
return rawBytes
}
// RenderFullIssuePattern renders issues-like URLs
func RenderFullIssuePattern(rawBytes []byte) []byte {
ms := getIssueFullPattern().FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
all := m[0]
id := string(m[1])
text := "#" + id
// TODO if m[2] is not nil, then link is to a comment,
// and we should indicate that in the text somehow
rawBytes = bytes.Replace(rawBytes, all, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, string(all), text)), -1)
}
return rawBytes
}
func firstIndexOfByte(sl []byte, target byte) int {
for i := 0; i < len(sl); i++ {
if sl[i] == target {
return i
}
}
return -1
}
func lastIndexOfByte(sl []byte, target byte) int {
for i := len(sl) - 1; i >= 0; i-- {
if sl[i] == target {
return i
}
}
return -1
}
// RenderShortLinks processes [[syntax]]
//
// noLink flag disables making link tags when set to true
// so this function just replaces the whole [[...]] with the content text
//
// isWikiMarkdown is a flag to choose linking url prefix
func RenderShortLinks(rawBytes []byte, urlPrefix string, noLink bool, isWikiMarkdown bool) []byte {
ms := ShortLinkPattern.FindAll(rawBytes, -1)
for _, m := range ms {
orig := bytes.TrimSpace(m)
m = orig[2:]
tailPos := lastIndexOfByte(m, ']') + 1
tail := []byte{}
if tailPos < len(m) {
tail = m[tailPos:]
m = m[:tailPos-1]
}
m = m[:len(m)-2]
props := map[string]string{}
// MediaWiki uses [[link|text]], while GitHub uses [[text|link]]
// It makes page handling terrible, but we prefer GitHub syntax
// And fall back to MediaWiki only when it is obvious from the look
// Of text and link contents
sl := bytes.Split(m, []byte("|"))
for _, v := range sl {
switch bytes.Count(v, []byte("=")) {
// Piped args without = sign, these are mandatory arguments
case 0:
{
sv := string(v)
if props["name"] == "" {
if isLink(v) {
// If we clearly see it is a link, we save it so
// But first we need to ensure, that if both mandatory args provided
// look like links, we stick to GitHub syntax
if props["link"] != "" {
props["name"] = props["link"]
}
props["link"] = strings.TrimSpace(sv)
} else {
props["name"] = sv
}
} else {
props["link"] = strings.TrimSpace(sv)
}
}
// Piped args with = sign, these are optional arguments
case 1:
{
sep := firstIndexOfByte(v, '=')
key, val := string(v[:sep]), html.UnescapeString(string(v[sep+1:]))
lastCharIndex := len(val) - 1
if (val[0] == '"' || val[0] == '\'') && (val[lastCharIndex] == '"' || val[lastCharIndex] == '\'') {
val = val[1:lastCharIndex]
}
props[key] = val
}
}
}
var name string
var link string
if props["link"] != "" {
link = props["link"]
} else if props["name"] != "" {
link = props["name"]
}
if props["title"] != "" {
name = props["title"]
} else if props["name"] != "" {
name = props["name"]
} else {
name = link
}
name += string(tail)
image := false
ext := filepath.Ext(string(link))
if ext != "" {
switch ext {
case ".jpg", ".jpeg", ".png", ".tif", ".tiff", ".webp", ".gif", ".bmp", ".ico", ".svg":
{
image = true
}
}
}
absoluteLink := isLink([]byte(link))
if !absoluteLink {
link = strings.Replace(link, " ", "+", -1)
}
if image {
if !absoluteLink {
if IsSameDomain(urlPrefix) {
urlPrefix = strings.Replace(urlPrefix, "/src/", "/raw/", 1)
}
if isWikiMarkdown {
link = URLJoin("wiki", "raw", link)
}
link = URLJoin(urlPrefix, link)
}
title := props["title"]
if title == "" {
title = props["alt"]
}
if title == "" {
title = path.Base(string(name))
}
alt := props["alt"]
if alt == "" {
alt = name
}
if alt != "" {
alt = `alt="` + alt + `"`
}
name = fmt.Sprintf(`<img src="%s" %s title="%s" />`, link, alt, title)
} else if !absoluteLink {
if isWikiMarkdown {
link = URLJoin("wiki", link)
}
link = URLJoin(urlPrefix, link)
}
if noLink {
rawBytes = bytes.Replace(rawBytes, orig, []byte(name), -1)
} else {
rawBytes = bytes.Replace(rawBytes, orig,
[]byte(fmt.Sprintf(`<a href="%s">%s</a>`, link, name)), -1)
}
}
return rawBytes
}
// RenderCrossReferenceIssueIndexPattern renders issue indexes from other repositories to corresponding links.
func RenderCrossReferenceIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
ms := CrossReferenceIssueNumericPattern.FindAll(rawBytes, -1)
for _, m := range ms {
if m[0] == ' ' || m[0] == '(' {
m = m[1:] // ignore leading space or opening parentheses
}
repo := string(bytes.Split(m, []byte("#"))[0])
issue := string(bytes.Split(m, []byte("#"))[1])
link := fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(setting.AppURL, repo, "issues", issue), m)
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1)
}
return rawBytes
}
// renderSha1CurrentPattern renders SHA1 strings to corresponding links that assumes in the same repository.
func renderSha1CurrentPattern(rawBytes []byte, urlPrefix string) []byte {
ms := Sha1CurrentPattern.FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
hash := m[1]
// The regex does not lie, it matches the hash pattern.
// However, a regex cannot know if a hash actually exists or not.
// We could assume that a SHA1 hash should probably contain alphas AND numerics
// but that is not always the case.
// Although unlikely, deadbeef and 1234567 are valid short forms of SHA1 hash
// as used by git and github for linking and thus we have to do similar.
rawBytes = bytes.Replace(rawBytes, hash, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, URLJoin(urlPrefix, "commit", string(hash)), base.ShortSha(string(hash)))), -1)
}
return rawBytes
}
// RenderSpecialLink renders mentions, indexes and SHA1 strings to corresponding links.
func RenderSpecialLink(rawBytes []byte, urlPrefix string, metas map[string]string, isWikiMarkdown bool) []byte {
ms := MentionPattern.FindAll(rawBytes, -1)
for _, m := range ms {
m = m[bytes.Index(m, []byte("@")):]
rawBytes = bytes.Replace(rawBytes, m,
[]byte(fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(setting.AppURL, string(m[1:])), m)), -1)
}
rawBytes = RenderFullIssuePattern(rawBytes)
rawBytes = RenderShortLinks(rawBytes, urlPrefix, false, isWikiMarkdown)
rawBytes = RenderIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = renderFullSha1Pattern(rawBytes, urlPrefix)
rawBytes = renderSha1CurrentPattern(rawBytes, urlPrefix)
return rawBytes
}
// RenderRaw renders Markdown to HTML without handling special links.
func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
htmlFlags := 0
@ -588,107 +150,6 @@ func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
return body
}
var (
leftAngleBracket = []byte("</")
rightAngleBracket = []byte(">")
)
var noEndTags = []string{"img", "input", "br", "hr"}
// PostProcess treats different types of HTML differently,
// and only renders special links for plain text blocks.
func PostProcess(rawHTML []byte, urlPrefix string, metas map[string]string, isWikiMarkdown bool) []byte {
startTags := make([]string, 0, 5)
var buf bytes.Buffer
tokenizer := html.NewTokenizer(bytes.NewReader(rawHTML))
OUTER_LOOP:
for html.ErrorToken != tokenizer.Next() {
token := tokenizer.Token()
switch token.Type {
case html.TextToken:
buf.Write(RenderSpecialLink([]byte(token.String()), urlPrefix, metas, isWikiMarkdown))
case html.StartTagToken:
buf.WriteString(token.String())
tagName := token.Data
// If this is an excluded tag, we skip processing all output until a close tag is encountered.
if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) {
stackNum := 1
for html.ErrorToken != tokenizer.Next() {
token = tokenizer.Token()
// Copy the token to the output verbatim
buf.Write(RenderShortLinks([]byte(token.String()), urlPrefix, true, isWikiMarkdown))
if token.Type == html.StartTagToken && !com.IsSliceContainsStr(noEndTags, token.Data) {
stackNum++
}
// If this is the close tag to the outer-most, we are done
if token.Type == html.EndTagToken {
stackNum--
if stackNum <= 0 && strings.EqualFold(tagName, token.Data) {
break
}
}
}
continue OUTER_LOOP
}
if !com.IsSliceContainsStr(noEndTags, tagName) {
startTags = append(startTags, tagName)
}
case html.EndTagToken:
if len(startTags) == 0 {
buf.WriteString(token.String())
break
}
buf.Write(leftAngleBracket)
buf.WriteString(startTags[len(startTags)-1])
buf.Write(rightAngleBracket)
startTags = startTags[:len(startTags)-1]
default:
buf.WriteString(token.String())
}
}
if io.EOF == tokenizer.Err() {
return buf.Bytes()
}
// If we are not at the end of the input, then some other parsing error has occurred,
// so return the input verbatim.
return rawHTML
}
// Render renders Markdown to HTML with all specific handling stuff.
func render(rawBytes []byte, urlPrefix string, metas map[string]string, isWikiMarkdown bool) []byte {
urlPrefix = strings.Replace(urlPrefix, " ", "+", -1)
result := RenderRaw(rawBytes, urlPrefix, isWikiMarkdown)
result = PostProcess(result, urlPrefix, metas, isWikiMarkdown)
result = SanitizeBytes(result)
return result
}
// Render renders Markdown to HTML with all specific handling stuff.
func Render(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
return render(rawBytes, urlPrefix, metas, false)
}
// RenderString renders Markdown to HTML with special links and returns string type.
func RenderString(raw, urlPrefix string, metas map[string]string) string {
return string(render([]byte(raw), urlPrefix, metas, false))
}
// RenderWiki renders markdown wiki page to HTML and return HTML string
func RenderWiki(rawBytes []byte, urlPrefix string, metas map[string]string) string {
return string(render(rawBytes, urlPrefix, metas, true))
}
var (
// MarkupName describes markup's name
MarkupName = "markdown"
@ -714,5 +175,26 @@ func (Parser) Extensions() []string {
// Render implements markup.Parser
func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
return render(rawBytes, urlPrefix, metas, isWiki)
return RenderRaw(rawBytes, urlPrefix, isWiki)
}
// Render renders Markdown to HTML with all specific handling stuff.
func Render(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
return markup.Render("a.md", rawBytes, urlPrefix, metas)
}
// RenderString renders Markdown to HTML with special links and returns string type.
func RenderString(raw, urlPrefix string, metas map[string]string) string {
return markup.RenderString("a.md", raw, urlPrefix, metas)
}
// RenderWiki renders markdown wiki page to HTML and return HTML string
func RenderWiki(rawBytes []byte, urlPrefix string, metas map[string]string) string {
return markup.RenderWiki("a.md", rawBytes, urlPrefix, metas)
}
// IsMarkdownFile reports whether name looks like a Markdown file
// based on its extension.
func IsMarkdownFile(name string) bool {
return markup.IsMarkupFile(name, MarkupName)
}

598
modules/markdown/markdown_test.go
View file

@ -7,12 +7,13 @@ package markdown_test
import (
"fmt"
"strconv"
"strings"
"testing"
"strings"
. "code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
)
@ -24,24 +25,24 @@ var numericMetas = map[string]string{
"format": "https://someurl.com/{user}/{repo}/{index}",
"user": "someUser",
"repo": "someRepo",
"style": IssueNameStyleNumeric,
"style": markup.IssueNameStyleNumeric,
}
var alphanumericMetas = map[string]string{
"format": "https://someurl.com/{user}/{repo}/{index}",
"user": "someUser",
"repo": "someRepo",
"style": IssueNameStyleAlphanumeric,
"style": markup.IssueNameStyleAlphanumeric,
}
// numericLink an HTML to a numeric-style issue
func numericIssueLink(baseURL string, index int) string {
return link(URLJoin(baseURL, strconv.Itoa(index)), fmt.Sprintf("#%d", index))
return link(markup.URLJoin(baseURL, strconv.Itoa(index)), fmt.Sprintf("#%d", index))
}
// alphanumLink an HTML link to an alphanumeric-style issue
func alphanumIssueLink(baseURL string, name string) string {
return link(URLJoin(baseURL, name), name)
return link(markup.URLJoin(baseURL, name), name)
}
// urlContentsLink an HTML link whose contents is the target URL
@ -56,175 +57,7 @@ func link(href, contents string) string {
func testRenderIssueIndexPattern(t *testing.T, input, expected string, metas map[string]string) {
assert.Equal(t, expected,
string(RenderIssueIndexPattern([]byte(input), AppSubURL, metas)))
}
func TestURLJoin(t *testing.T) {
type test struct {
Expected string
Base string
Elements []string
}
newTest := func(expected, base string, elements ...string) test {
return test{Expected: expected, Base: base, Elements: elements}
}
for _, test := range []test{
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io", "a/b", "c"),
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io/", "/a/b/", "/c/"),
newTest("https://try.gitea.io/a/c",
"https://try.gitea.io/", "/a/./b/", "../c/"),
newTest("a/b/c",
"a", "b/c/"),
newTest("a/b/d",
"a/", "b/c/", "/../d/"),
} {
assert.Equal(t, test.Expected, URLJoin(test.Base, test.Elements...))
}
}
func TestRender_IssueIndexPattern(t *testing.T) {
// numeric: render inputs without valid mentions
test := func(s string) {
testRenderIssueIndexPattern(t, s, s, nil)
testRenderIssueIndexPattern(t, s, s, numericMetas)
}
// should not render anything when there are no mentions
test("")
test("this is a test")
test("test 123 123 1234")
test("#")
test("# # #")
test("# 123")
test("#abcd")
test("##1234")
test("test#1234")
test("#1234test")
test(" test #1234test")
// should not render issue mention without leading space
test("test#54321 issue")
// should not render issue mention without trailing space
test("test #54321issue")
}
func TestRender_IssueIndexPattern2(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// numeric: render inputs with valid mentions
test := func(s, expectedFmt string, indices ...int) {
links := make([]interface{}, len(indices))
for i, index := range indices {
links[i] = numericIssueLink(URLJoin(setting.AppSubURL, "issues"), index)
}
expectedNil := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNil, nil)
for i, index := range indices {
links[i] = numericIssueLink("https://someurl.com/someUser/someRepo/", index)
}
expectedNum := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNum, numericMetas)
}
// should render freestanding mentions
test("#1234 test", "%s test", 1234)
test("test #8 issue", "test %s issue", 8)
test("test issue #1234", "test issue %s", 1234)
// should render mentions in parentheses
test("(#54321 issue)", "(%s issue)", 54321)
test("test (#9801 extra) issue", "test (%s extra) issue", 9801)
test("test (#1)", "test (%s)", 1)
// should render multiple issue mentions in the same line
test("#54321 #1243", "%s %s", 54321, 1243)
test("wow (#54321 #1243)", "wow (%s %s)", 54321, 1243)
test("(#4)(#5)", "(%s)(%s)", 4, 5)
test("#1 (#4321) test", "%s (%s) test", 1, 4321)
}
func TestRender_IssueIndexPattern3(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// alphanumeric: render inputs without valid mentions
test := func(s string) {
testRenderIssueIndexPattern(t, s, s, alphanumericMetas)
}
test("")
test("this is a test")
test("test 123 123 1234")
test("#")
test("##1234")
test("# 123")
test("#abcd")
test("test #123")
test("abc-1234") // issue prefix must be capital
test("ABc-1234") // issue prefix must be _all_ capital
test("ABCDEFGHIJK-1234") // the limit is 10 characters in the prefix
test("ABC1234") // dash is required
test("test ABC- test") // number is required
test("test -1234 test") // prefix is required
test("testABC-123 test") // leading space is required
test("test ABC-123test") // trailing space is required
test("ABC-0123") // no leading zero
}
func TestRender_IssueIndexPattern4(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// alphanumeric: render inputs with valid mentions
test := func(s, expectedFmt string, names ...string) {
links := make([]interface{}, len(names))
for i, name := range names {
links[i] = alphanumIssueLink("https://someurl.com/someUser/someRepo/", name)
}
expected := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expected, alphanumericMetas)
}
test("OTT-1234 test", "%s test", "OTT-1234")
test("test T-12 issue", "test %s issue", "T-12")
test("test issue ABCDEFGHIJ-1234567890", "test issue %s", "ABCDEFGHIJ-1234567890")
}
func TestRender_AutoLink(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderSpecialLink([]byte(input), setting.AppSubURL, nil, false)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
buffer = RenderSpecialLink([]byte(input), setting.AppSubURL, nil, true)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
// render valid issue URLs
test(URLJoin(setting.AppSubURL, "issues", "3333"),
numericIssueLink(URLJoin(setting.AppSubURL, "issues"), 3333))
// render external issue URLs
for _, externalURL := range []string{
"http://1111/2222/ssss-issues/3333?param=blah&blahh=333",
"http://test.com/issues/33333",
"https://issues/333"} {
test(externalURL, externalURL)
}
// render valid commit URLs
tmp := URLJoin(AppSubURL, "commit", "d8a994ef243349f321568f9e36d5c3f444b99cae")
test(tmp, "<a href=\""+tmp+"\">d8a994ef24</a>")
tmp += "#diff-2"
test(tmp, "<a href=\""+tmp+"\">d8a994ef24 (diff-2)</a>")
// render other commit URLs
tmp = "https://external-link.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2"
test(tmp, "<a href=\""+tmp+"\">d8a994ef24 (diff-2)</a>")
string(markup.RenderIssueIndexPattern([]byte(input), AppSubURL, metas)))
}
func TestRender_StandardLinks(t *testing.T) {
@ -241,8 +74,8 @@ func TestRender_StandardLinks(t *testing.T) {
googleRendered := `<p><a href="https://google.com/" rel="nofollow">https://google.com/</a></p>`
test("<https://google.com/>", googleRendered, googleRendered)
lnk := URLJoin(AppSubURL, "WikiPage")
lnkWiki := URLJoin(AppSubURL, "wiki", "WikiPage")
lnk := markup.URLJoin(AppSubURL, "WikiPage")
lnkWiki := markup.URLJoin(AppSubURL, "wiki", "WikiPage")
test("[WikiPage](WikiPage)",
`<p><a href="`+lnk+`" rel="nofollow">WikiPage</a></p>`,
`<p><a href="`+lnkWiki+`" rel="nofollow">WikiPage</a></p>`)
@ -251,7 +84,7 @@ func TestRender_StandardLinks(t *testing.T) {
func TestRender_ShortLinks(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
tree := URLJoin(AppSubURL, "src", "master")
tree := markup.URLJoin(AppSubURL, "src", "master")
test := func(input, expected, expectedWiki string) {
buffer := RenderString(input, tree, nil)
@ -260,13 +93,13 @@ func TestRender_ShortLinks(t *testing.T) {
assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(string(buffer)))
}
rawtree := URLJoin(AppSubURL, "raw", "master")
url := URLJoin(tree, "Link")
otherUrl := URLJoin(tree, "OtherLink")
imgurl := URLJoin(rawtree, "Link.jpg")
urlWiki := URLJoin(AppSubURL, "wiki", "Link")
otherUrlWiki := URLJoin(AppSubURL, "wiki", "OtherLink")
imgurlWiki := URLJoin(AppSubURL, "wiki", "raw", "Link.jpg")
rawtree := markup.URLJoin(AppSubURL, "raw", "master")
url := markup.URLJoin(tree, "Link")
otherUrl := markup.URLJoin(tree, "OtherLink")
imgurl := markup.URLJoin(rawtree, "Link.jpg")
urlWiki := markup.URLJoin(AppSubURL, "wiki", "Link")
otherUrlWiki := markup.URLJoin(AppSubURL, "wiki", "OtherLink")
imgurlWiki := markup.URLJoin(AppSubURL, "wiki", "raw", "Link.jpg")
favicon := "http://google.com/favicon.ico"
test(
@ -311,271 +144,6 @@ func TestRender_ShortLinks(t *testing.T) {
`<p><a href="`+urlWiki+`" rel="nofollow">Link</a> <a href="`+otherUrlWiki+`" rel="nofollow">OtherLink</a></p>`)
}
func TestRender_Commits(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderString(input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
var sha = "b6dd6210eaebc915fd5be5579c58cce4da2e2579"
var commit = URLJoin(AppSubURL, "commit", sha)
var subtree = URLJoin(commit, "src")
var tree = strings.Replace(subtree, "/commit/", "/tree/", -1)
var src = strings.Replace(subtree, "/commit/", "/src/", -1)
test(sha, `<p><a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
test(sha[:7], `<p><a href="`+commit[:len(commit)-(40-7)]+`" rel="nofollow">b6dd621</a></p>`)
test(sha[:39], `<p><a href="`+commit[:len(commit)-(40-39)]+`" rel="nofollow">b6dd6210ea</a></p>`)
test(commit, `<p><a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
test(tree, `<p><a href="`+src+`" rel="nofollow">b6dd6210ea/src</a></p>`)
test("commit "+sha, `<p>commit <a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
}
func TestRender_Images(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderString(input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
url := "../../.images/src/02/train.jpg"
title := "Train"
result := URLJoin(AppSubURL, url)
test(
"!["+title+"]("+url+")",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"></a></p>`)
test(
"[["+title+"|"+url+"]]",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`" title="`+title+`"/></a></p>`)
}
func TestRender_CrossReferences(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderString(input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
test(
"gogits/gogs#12345",
`<p><a href="`+URLJoin(AppURL, "gogits", "gogs", "issues", "12345")+`" rel="nofollow">gogits/gogs#12345</a></p>`)
}
func TestRender_FullIssueURLs(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
result := RenderFullIssuePattern([]byte(input))
assert.Equal(t, expected, string(result))
}
test("Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6",
"Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6")
test("Look here http://localhost:3000/person/repo/issues/4",
`Look here <a href="http://localhost:3000/person/repo/issues/4">#4</a>`)
test("http://localhost:3000/person/repo/issues/4#issuecomment-1234",
`<a href="http://localhost:3000/person/repo/issues/4#issuecomment-1234">#4</a>`)
}
func TestRegExp_MentionPattern(t *testing.T) {
trueTestCases := []string{
"@Unknwon",
"@ANT_123",
"@xxx-DiN0-z-A..uru..s-xxx",
" @lol ",
" @Te/st",
}
falseTestCases := []string{
"@ 0",
"@ ",
"@",
"",
"ABC",
}
for _, testCase := range trueTestCases {
res := MentionPattern.MatchString(testCase)
if !res {
println()
println(testCase)
}
assert.True(t, res)
}
for _, testCase := range falseTestCases {
res := MentionPattern.MatchString(testCase)
if res {
println()
println(testCase)
}
assert.False(t, res)
}
}
func TestRegExp_IssueNumericPattern(t *testing.T) {
trueTestCases := []string{
"#1234",
"#0",
"#1234567890987654321",
}
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_IssueAlphanumericPattern(t *testing.T) {
trueTestCases := []string{
"ABC-1234",
"A-1",
"RC-80",
"ABCDEFGHIJ-1234567890987654321234567890",
}
falseTestCases := []string{
"RC-08",
"PR-0",
"ABCDEFGHIJK-1",
"PR_1",
"",
"#ABC",
"",
"ABC",
"GG-",
"rm-1",
}
for _, testCase := range trueTestCases {
assert.True(t, IssueAlphanumericPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, IssueAlphanumericPattern.MatchString(testCase))
}
}
func TestRegExp_Sha1CurrentPattern(t *testing.T) {
trueTestCases := []string{
"d8a994ef243349f321568f9e36d5c3f444b99cae",
"abcdefabcdefabcdefabcdefabcdefabcdefabcd",
}
falseTestCases := []string{
"test",
"abcdefg",
"abcdefghijklmnopqrstuvwxyzabcdefghijklmn",
"abcdefghijklmnopqrstuvwxyzabcdefghijklmO",
}
for _, testCase := range trueTestCases {
assert.True(t, Sha1CurrentPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, Sha1CurrentPattern.MatchString(testCase))
}
}
func TestRegExp_ShortLinkPattern(t *testing.T) {
trueTestCases := []string{
"[[stuff]]",
"[[]]",
"[[stuff|title=Difficult name with spaces*!]]",
}
falseTestCases := []string{
"test",
"abcdefg",
"[[]",
"[[",
"[]",
"]]",
"abcdefghijklmnopqrstuvwxyz",
}
for _, testCase := range trueTestCases {
assert.True(t, ShortLinkPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, ShortLinkPattern.MatchString(testCase))
}
}
func TestRegExp_AnySHA1Pattern(t *testing.T) {
testCases := map[string][]string{
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js#L2703": {
"https",
"github.com",
"jquery",
"jquery",
"blob",
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"test/unit/event.js",
"L2703",
},
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js": {
"https",
"github.com",
"jquery",
"jquery",
"blob",
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"test/unit/event.js",
"",
},
"https://github.com/jquery/jquery/commit/0705be475092aede1eddae01319ec931fb9c65fc": {
"https",
"github.com",
"jquery",
"jquery",
"commit",
"0705be475092aede1eddae01319ec931fb9c65fc",
"",
"",
},
"https://github.com/jquery/jquery/tree/0705be475092aede1eddae01319ec931fb9c65fc/src": {
"https",
"github.com",
"jquery",
"jquery",
"tree",
"0705be475092aede1eddae01319ec931fb9c65fc",
"src",
"",
},
"https://try.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2": {
"https",
"try.gogs.io",
"gogs",
"gogs",
"commit",
"d8a994ef243349f321568f9e36d5c3f444b99cae",
"",
"diff-2",
},
}
for k, v := range testCases {
assert.Equal(t, AnySHA1Pattern.FindStringSubmatch(k)[1:], v)
}
}
func TestMisc_IsMarkdownFile(t *testing.T) {
setting.Markdown.FileExtensions = []string{".md", ".markdown", ".mdown", ".mkd"}
trueTestCases := []string{
@ -598,49 +166,50 @@ func TestMisc_IsMarkdownFile(t *testing.T) {
}
}
func TestMisc_IsSameDomain(t *testing.T) {
func TestRender_Images(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
var sha = "b6dd6210eaebc915fd5be5579c58cce4da2e2579"
var commit = URLJoin(AppSubURL, "commit", sha)
test := func(input, expected string) {
buffer := RenderString(input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
assert.True(t, IsSameDomain(commit))
assert.False(t, IsSameDomain("http://google.com/ncr"))
assert.False(t, IsSameDomain("favicon.ico"))
url := "../../.images/src/02/train.jpg"
title := "Train"
result := markup.URLJoin(AppSubURL, url)
test(
"!["+title+"]("+url+")",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"></a></p>`)
test(
"[["+title+"|"+url+"]]",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`" title="`+title+`"/></a></p>`)
}
// Test cases without ambiguous links
var sameCases = []string{
// dear imgui wiki markdown extract: special wiki syntax
`Wiki! Enjoy :)
- [[Links, Language bindings, Engine bindings|Links]]
- [[Tips]]
func TestRegExp_ShortLinkPattern(t *testing.T) {
trueTestCases := []string{
"[[stuff]]",
"[[]]",
"[[stuff|title=Difficult name with spaces*!]]",
}
falseTestCases := []string{
"test",
"abcdefg",
"[[]",
"[[",
"[]",
"]]",
"abcdefghijklmnopqrstuvwxyz",
}
Ideas and codes
- Bezier widget (by @r-lyeh) ` + AppURL + `ocornut/imgui/issues/786
- Node graph editors https://github.com/ocornut/imgui/issues/306
- [[Memory Editor|memory_editor_example]]
- [[Plot var helper|plot_var_example]]`,
// wine-staging wiki home extract: tables, special wiki syntax, images
`## What is Wine Staging?
**Wine Staging** on website [wine-staging.com](http://wine-staging.com).
## Quick Links
Here are some links to the most important topics. You can find the full list of pages at the sidebar.
| [[images/icon-install.png]] | [[Installation]] |
|--------------------------------|----------------------------------------------------------|
| [[images/icon-usage.png]] | [[Usage]] |
`,
// libgdx wiki page: inline images with special syntax
`[Excelsior JET](http://www.excelsiorjet.com/) allows you to create native executables for Windows, Linux and Mac OS X.
1. [Package your libGDX application](https://github.com/libgdx/libgdx/wiki/Gradle-on-the-Commandline#packaging-for-the-desktop)
[[images/1.png]]
2. Perform a test run by hitting the Run! button.
[[images/2.png]]`,
for _, testCase := range trueTestCases {
assert.True(t, markup.ShortLinkPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, markup.ShortLinkPattern.MatchString(testCase))
}
}
func testAnswers(baseURLContent, baseURLImages string) []string {
@ -697,24 +266,41 @@ func testAnswers(baseURLContent, baseURLImages string) []string {
}
}
func TestTotal_RenderString(t *testing.T) {
answers := testAnswers(URLJoin(AppSubURL, "src", "master/"), URLJoin(AppSubURL, "raw", "master/"))
// Test cases without ambiguous links
var sameCases = []string{
// dear imgui wiki markdown extract: special wiki syntax
`Wiki! Enjoy :)
- [[Links, Language bindings, Engine bindings|Links]]
- [[Tips]]
for i := 0; i < len(sameCases); i++ {
line := RenderString(sameCases[i], URLJoin(AppSubURL, "src", "master/"), nil)
assert.Equal(t, answers[i], line)
}
Ideas and codes
testCases := []string{}
- Bezier widget (by @r-lyeh) ` + AppURL + `ocornut/imgui/issues/786
- Node graph editors https://github.com/ocornut/imgui/issues/306
- [[Memory Editor|memory_editor_example]]
- [[Plot var helper|plot_var_example]]`,
// wine-staging wiki home extract: tables, special wiki syntax, images
`## What is Wine Staging?
**Wine Staging** on website [wine-staging.com](http://wine-staging.com).
for i := 0; i < len(testCases); i += 2 {
line := RenderString(testCases[i], AppSubURL, nil)
assert.Equal(t, testCases[i+1], line)
}
## Quick Links
Here are some links to the most important topics. You can find the full list of pages at the sidebar.
| [[images/icon-install.png]] | [[Installation]] |
|--------------------------------|----------------------------------------------------------|
| [[images/icon-usage.png]] | [[Usage]] |
`,
// libgdx wiki page: inline images with special syntax
`[Excelsior JET](http://www.excelsiorjet.com/) allows you to create native executables for Windows, Linux and Mac OS X.
1. [Package your libGDX application](https://github.com/libgdx/libgdx/wiki/Gradle-on-the-Commandline#packaging-for-the-desktop)
[[images/1.png]]
2. Perform a test run by hitting the Run! button.
[[images/2.png]]`,
}
func TestTotal_RenderWiki(t *testing.T) {
answers := testAnswers(URLJoin(AppSubURL, "wiki/"), URLJoin(AppSubURL, "wiki", "raw/"))
answers := testAnswers(markup.URLJoin(AppSubURL, "wiki/"), markup.URLJoin(AppSubURL, "wiki", "raw/"))
for i := 0; i < len(sameCases); i++ {
line := RenderWiki([]byte(sameCases[i]), AppSubURL, nil)
@ -739,3 +325,19 @@ func TestTotal_RenderWiki(t *testing.T) {
assert.Equal(t, testCases[i+1], line)
}
}
func TestTotal_RenderString(t *testing.T) {
answers := testAnswers(markup.URLJoin(AppSubURL, "src", "master/"), markup.URLJoin(AppSubURL, "raw", "master/"))
for i := 0; i < len(sameCases); i++ {
line := RenderString(sameCases[i], markup.URLJoin(AppSubURL, "src", "master/"), nil)
assert.Equal(t, answers[i], line)
}
testCases := []string{}
for i := 0; i < len(testCases); i += 2 {
line := RenderString(testCases[i], AppSubURL, nil)
assert.Equal(t, testCases[i+1], line)
}
}

517
modules/markup/html.go Normal file
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@ -0,0 +1,517 @@
// Copyright 2017 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 markup
import (
"bytes"
"fmt"
"io"
"net/url"
"path"
"path/filepath"
"regexp"
"strings"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
"golang.org/x/net/html"
)
// Issue name styles
const (
IssueNameStyleNumeric = "numeric"
IssueNameStyleAlphanumeric = "alphanumeric"
)
var (
// 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 string that mentions someone, e.g. @Unknwon
MentionPattern = regexp.MustCompile(`(\s|^|\W)@[0-9a-zA-Z-_\.]+`)
// IssueNumericPattern matches string that references to a numeric issue, e.g. #1287
IssueNumericPattern = regexp.MustCompile(`( |^|\()#[0-9]+\b`)
// IssueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
IssueAlphanumericPattern = regexp.MustCompile(`( |^|\()[A-Z]{1,10}-[1-9][0-9]*\b`)
// CrossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
CrossReferenceIssueNumericPattern = regexp.MustCompile(`( |^)[0-9a-zA-Z]+/[0-9a-zA-Z]+#[0-9]+\b`)
// 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.
Sha1CurrentPattern = regexp.MustCompile(`(?:^|\s|\()([0-9a-f]{7,40})\b`)
// ShortLinkPattern matches short but difficult to parse [[name|link|arg=test]] syntax
ShortLinkPattern = regexp.MustCompile(`(\[\[.*?\]\]\w*)`)
// AnySHA1Pattern allows to split url containing SHA into parts
AnySHA1Pattern = regexp.MustCompile(`(http\S*)://(\S+)/(\S+)/(\S+)/(\S+)/([0-9a-f]{40})(?:/?([^#\s]+)?(?:#(\S+))?)?`)
validLinksPattern = regexp.MustCompile(`^[a-z][\w-]+://`)
)
// regexp for full links to issues/pulls
var issueFullPattern *regexp.Regexp
// IsLink reports whether link fits valid format.
func IsLink(link []byte) bool {
return isLink(link)
}
// isLink reports whether link fits valid format.
func isLink(link []byte) bool {
return validLinksPattern.Match(link)
}
func getIssueFullPattern() *regexp.Regexp {
if issueFullPattern == nil {
appURL := setting.AppURL
if len(appURL) > 0 && appURL[len(appURL)-1] != '/' {
appURL += "/"
}
issueFullPattern = regexp.MustCompile(appURL +
`\w+/\w+/(?:issues|pulls)/((?:\w{1,10}-)?[1-9][0-9]*)([\?|#]\S+.(\S+)?)?\b`)
}
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.FindAllString(content, -1)
for i := range mentions {
mentions[i] = mentions[i][strings.Index(mentions[i], "@")+1:] // Strip @ character
}
return mentions
}
// cutoutVerbosePrefix cutouts URL prefix including sub-path to
// return a clean unified string of request URL path.
func cutoutVerbosePrefix(prefix string) string {
if len(prefix) == 0 || prefix[0] != '/' {
return prefix
}
count := 0
for i := 0; i < len(prefix); i++ {
if prefix[i] == '/' {
count++
}
if count >= 3+setting.AppSubURLDepth {
return prefix[:i]
}
}
return prefix
}
// URLJoin joins url components, like path.Join, but preserving contents
func URLJoin(base string, elems ...string) string {
u, err := url.Parse(base)
if err != nil {
log.Error(4, "URLJoin: Invalid base URL %s", base)
return ""
}
joinArgs := make([]string, 0, len(elems)+1)
joinArgs = append(joinArgs, u.Path)
joinArgs = append(joinArgs, elems...)
u.Path = path.Join(joinArgs...)
return u.String()
}
// RenderIssueIndexPattern renders issue indexes to corresponding links.
func RenderIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
urlPrefix = cutoutVerbosePrefix(urlPrefix)
pattern := IssueNumericPattern
if metas["style"] == IssueNameStyleAlphanumeric {
pattern = IssueAlphanumericPattern
}
ms := pattern.FindAll(rawBytes, -1)
for _, m := range ms {
if m[0] == ' ' || m[0] == '(' {
m = m[1:] // ignore leading space or opening parentheses
}
var link string
if metas == nil {
link = fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(urlPrefix, "issues", string(m[1:])), m)
} else {
// Support for external issue tracker
if metas["style"] == IssueNameStyleAlphanumeric {
metas["index"] = string(m)
} else {
metas["index"] = string(m[1:])
}
link = fmt.Sprintf(`<a href="%s">%s</a>`, com.Expand(metas["format"], metas), m)
}
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1)
}
return rawBytes
}
// IsSameDomain checks if given url string has the same hostname as current Gitea instance
func IsSameDomain(s string) bool {
if strings.HasPrefix(s, "/") {
return true
}
if uapp, err := url.Parse(setting.AppURL); err == nil {
if u, err := url.Parse(s); err == nil {
return u.Host == uapp.Host
}
return false
}
return false
}
// renderFullSha1Pattern renders SHA containing URLs
func renderFullSha1Pattern(rawBytes []byte, urlPrefix string) []byte {
ms := AnySHA1Pattern.FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
all := m[0]
protocol := string(m[1])
paths := string(m[2])
path := protocol + "://" + paths
author := string(m[3])
repoName := string(m[4])
path = URLJoin(path, author, repoName)
ltype := "src"
itemType := m[5]
if IsSameDomain(paths) {
ltype = string(itemType)
} else if string(itemType) == "commit" {
ltype = "commit"
}
sha := m[6]
var subtree string
if len(m) > 7 && len(m[7]) > 0 {
subtree = string(m[7])
}
var line []byte
if len(m) > 8 && len(m[8]) > 0 {
line = m[8]
}
urlSuffix := ""
text := base.ShortSha(string(sha))
if subtree != "" {
urlSuffix = "/" + subtree
text += urlSuffix
}
if line != nil {
value := string(line)
urlSuffix += "#"
urlSuffix += value
text += " ("
text += value
text += ")"
}
rawBytes = bytes.Replace(rawBytes, all, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, URLJoin(path, ltype, string(sha))+urlSuffix, text)), -1)
}
return rawBytes
}
// RenderFullIssuePattern renders issues-like URLs
func RenderFullIssuePattern(rawBytes []byte) []byte {
ms := getIssueFullPattern().FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
all := m[0]
id := string(m[1])
text := "#" + id
// TODO if m[2] is not nil, then link is to a comment,
// and we should indicate that in the text somehow
rawBytes = bytes.Replace(rawBytes, all, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, string(all), text)), -1)
}
return rawBytes
}
func firstIndexOfByte(sl []byte, target byte) int {
for i := 0; i < len(sl); i++ {
if sl[i] == target {
return i
}
}
return -1
}
func lastIndexOfByte(sl []byte, target byte) int {
for i := len(sl) - 1; i >= 0; i-- {
if sl[i] == target {
return i
}
}
return -1
}
// RenderShortLinks processes [[syntax]]
//
// noLink flag disables making link tags when set to true
// so this function just replaces the whole [[...]] with the content text
//
// isWikiMarkdown is a flag to choose linking url prefix
func RenderShortLinks(rawBytes []byte, urlPrefix string, noLink bool, isWikiMarkdown bool) []byte {
ms := ShortLinkPattern.FindAll(rawBytes, -1)
for _, m := range ms {
orig := bytes.TrimSpace(m)
m = orig[2:]
tailPos := lastIndexOfByte(m, ']') + 1
tail := []byte{}
if tailPos < len(m) {
tail = m[tailPos:]
m = m[:tailPos-1]
}
m = m[:len(m)-2]
props := map[string]string{}
// MediaWiki uses [[link|text]], while GitHub uses [[text|link]]
// It makes page handling terrible, but we prefer GitHub syntax
// And fall back to MediaWiki only when it is obvious from the look
// Of text and link contents
sl := bytes.Split(m, []byte("|"))
for _, v := range sl {
switch bytes.Count(v, []byte("=")) {
// Piped args without = sign, these are mandatory arguments
case 0:
{
sv := string(v)
if props["name"] == "" {
if isLink(v) {
// If we clearly see it is a link, we save it so
// But first we need to ensure, that if both mandatory args provided
// look like links, we stick to GitHub syntax
if props["link"] != "" {
props["name"] = props["link"]
}
props["link"] = strings.TrimSpace(sv)
} else {
props["name"] = sv
}
} else {
props["link"] = strings.TrimSpace(sv)
}
}
// Piped args with = sign, these are optional arguments
case 1:
{
sep := firstIndexOfByte(v, '=')
key, val := string(v[:sep]), html.UnescapeString(string(v[sep+1:]))
lastCharIndex := len(val) - 1
if (val[0] == '"' || val[0] == '\'') && (val[lastCharIndex] == '"' || val[lastCharIndex] == '\'') {
val = val[1:lastCharIndex]
}
props[key] = val
}
}
}
var name string
var link string
if props["link"] != "" {
link = props["link"]
} else if props["name"] != "" {
link = props["name"]
}
if props["title"] != "" {
name = props["title"]
} else if props["name"] != "" {
name = props["name"]
} else {
name = link
}
name += string(tail)
image := false
ext := filepath.Ext(string(link))
if ext != "" {
switch ext {
case ".jpg", ".jpeg", ".png", ".tif", ".tiff", ".webp", ".gif", ".bmp", ".ico", ".svg":
{
image = true
}
}
}
absoluteLink := isLink([]byte(link))
if !absoluteLink {
link = strings.Replace(link, " ", "+", -1)
}
if image {
if !absoluteLink {
if IsSameDomain(urlPrefix) {
urlPrefix = strings.Replace(urlPrefix, "/src/", "/raw/", 1)
}
if isWikiMarkdown {
link = URLJoin("wiki", "raw", link)
}
link = URLJoin(urlPrefix, link)
}
title := props["title"]
if title == "" {
title = props["alt"]
}
if title == "" {
title = path.Base(string(name))
}
alt := props["alt"]
if alt == "" {
alt = name
}
if alt != "" {
alt = `alt="` + alt + `"`
}
name = fmt.Sprintf(`<img src="%s" %s title="%s" />`, link, alt, title)
} else if !absoluteLink {
if isWikiMarkdown {
link = URLJoin("wiki", link)
}
link = URLJoin(urlPrefix, link)
}
if noLink {
rawBytes = bytes.Replace(rawBytes, orig, []byte(name), -1)
} else {
rawBytes = bytes.Replace(rawBytes, orig,
[]byte(fmt.Sprintf(`<a href="%s">%s</a>`, link, name)), -1)
}
}
return rawBytes
}
// RenderCrossReferenceIssueIndexPattern renders issue indexes from other repositories to corresponding links.
func RenderCrossReferenceIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
ms := CrossReferenceIssueNumericPattern.FindAll(rawBytes, -1)
for _, m := range ms {
if m[0] == ' ' || m[0] == '(' {
m = m[1:] // ignore leading space or opening parentheses
}
repo := string(bytes.Split(m, []byte("#"))[0])
issue := string(bytes.Split(m, []byte("#"))[1])
link := fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(setting.AppURL, repo, "issues", issue), m)
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1)
}
return rawBytes
}
// renderSha1CurrentPattern renders SHA1 strings to corresponding links that assumes in the same repository.
func renderSha1CurrentPattern(rawBytes []byte, urlPrefix string) []byte {
ms := Sha1CurrentPattern.FindAllSubmatch(rawBytes, -1)
for _, m := range ms {
hash := m[1]
// The regex does not lie, it matches the hash pattern.
// However, a regex cannot know if a hash actually exists or not.
// We could assume that a SHA1 hash should probably contain alphas AND numerics
// but that is not always the case.
// Although unlikely, deadbeef and 1234567 are valid short forms of SHA1 hash
// as used by git and github for linking and thus we have to do similar.
rawBytes = bytes.Replace(rawBytes, hash, []byte(fmt.Sprintf(
`<a href="%s">%s</a>`, URLJoin(urlPrefix, "commit", string(hash)), base.ShortSha(string(hash)))), -1)
}
return rawBytes
}
// RenderSpecialLink renders mentions, indexes and SHA1 strings to corresponding links.
func RenderSpecialLink(rawBytes []byte, urlPrefix string, metas map[string]string, isWikiMarkdown bool) []byte {
ms := MentionPattern.FindAll(rawBytes, -1)
for _, m := range ms {
m = m[bytes.Index(m, []byte("@")):]
rawBytes = bytes.Replace(rawBytes, m,
[]byte(fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(setting.AppURL, string(m[1:])), m)), -1)
}
rawBytes = RenderFullIssuePattern(rawBytes)
rawBytes = RenderShortLinks(rawBytes, urlPrefix, false, isWikiMarkdown)
rawBytes = RenderIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = renderFullSha1Pattern(rawBytes, urlPrefix)
rawBytes = renderSha1CurrentPattern(rawBytes, urlPrefix)
return rawBytes
}
var (
leftAngleBracket = []byte("</")
rightAngleBracket = []byte(">")
)
var noEndTags = []string{"img", "input", "br", "hr"}
// PostProcess treats different types of HTML differently,
// and only renders special links for plain text blocks.
func PostProcess(rawHTML []byte, urlPrefix string, metas map[string]string, isWikiMarkdown bool) []byte {
startTags := make([]string, 0, 5)
var buf bytes.Buffer
tokenizer := html.NewTokenizer(bytes.NewReader(rawHTML))
OUTER_LOOP:
for html.ErrorToken != tokenizer.Next() {
token := tokenizer.Token()
switch token.Type {
case html.TextToken:
buf.Write(RenderSpecialLink([]byte(token.String()), urlPrefix, metas, isWikiMarkdown))
case html.StartTagToken:
buf.WriteString(token.String())
tagName := token.Data
// If this is an excluded tag, we skip processing all output until a close tag is encountered.
if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) {
stackNum := 1
for html.ErrorToken != tokenizer.Next() {
token = tokenizer.Token()
// Copy the token to the output verbatim
buf.Write(RenderShortLinks([]byte(token.String()), urlPrefix, true, isWikiMarkdown))
if token.Type == html.StartTagToken && !com.IsSliceContainsStr(noEndTags, token.Data) {
stackNum++
}
// If this is the close tag to the outer-most, we are done
if token.Type == html.EndTagToken {
stackNum--
if stackNum <= 0 && strings.EqualFold(tagName, token.Data) {
break
}
}
}
continue OUTER_LOOP
}
if !com.IsSliceContainsStr(noEndTags, tagName) {
startTags = append(startTags, tagName)
}
case html.EndTagToken:
if len(startTags) == 0 {
buf.WriteString(token.String())
break
}
buf.Write(leftAngleBracket)
buf.WriteString(startTags[len(startTags)-1])
buf.Write(rightAngleBracket)
startTags = startTags[:len(startTags)-1]
default:
buf.WriteString(token.String())
}
}
if io.EOF == tokenizer.Err() {
return buf.Bytes()
}
// If we are not at the end of the input, then some other parsing error has occurred,
// so return the input verbatim.
return rawHTML
}

460
modules/markup/html_test.go Normal file
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@ -0,0 +1,460 @@
// Copyright 2017 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 markup_test
import (
"fmt"
"strconv"
"strings"
"testing"
_ "code.gitea.io/gitea/modules/markdown"
. "code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
)
const AppURL = "http://localhost:3000/"
const Repo = "gogits/gogs"
const AppSubURL = AppURL + Repo + "/"
var numericMetas = map[string]string{
"format": "https://someurl.com/{user}/{repo}/{index}",
"user": "someUser",
"repo": "someRepo",
"style": IssueNameStyleNumeric,
}
var alphanumericMetas = map[string]string{
"format": "https://someurl.com/{user}/{repo}/{index}",
"user": "someUser",
"repo": "someRepo",
"style": IssueNameStyleAlphanumeric,
}
// numericLink an HTML to a numeric-style issue
func numericIssueLink(baseURL string, index int) string {
return link(URLJoin(baseURL, strconv.Itoa(index)), fmt.Sprintf("#%d", index))
}
// alphanumLink an HTML link to an alphanumeric-style issue
func alphanumIssueLink(baseURL string, name string) string {
return link(URLJoin(baseURL, name), name)
}
// urlContentsLink an HTML link whose contents is the target URL
func urlContentsLink(href string) string {
return link(href, href)
}
// link an HTML link
func link(href, contents string) string {
return fmt.Sprintf("<a href=\"%s\">%s</a>", href, contents)
}
func testRenderIssueIndexPattern(t *testing.T, input, expected string, metas map[string]string) {
assert.Equal(t, expected,
string(RenderIssueIndexPattern([]byte(input), AppSubURL, metas)))
}
func TestURLJoin(t *testing.T) {
type test struct {
Expected string
Base string
Elements []string
}
newTest := func(expected, base string, elements ...string) test {
return test{Expected: expected, Base: base, Elements: elements}
}
for _, test := range []test{
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io", "a/b", "c"),
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io/", "/a/b/", "/c/"),
newTest("https://try.gitea.io/a/c",
"https://try.gitea.io/", "/a/./b/", "../c/"),
newTest("a/b/c",
"a", "b/c/"),
newTest("a/b/d",
"a/", "b/c/", "/../d/"),
} {
assert.Equal(t, test.Expected, URLJoin(test.Base, test.Elements...))
}
}
func TestRender_IssueIndexPattern(t *testing.T) {
// numeric: render inputs without valid mentions
test := func(s string) {
testRenderIssueIndexPattern(t, s, s, nil)
testRenderIssueIndexPattern(t, s, s, numericMetas)
}
// should not render anything when there are no mentions
test("")
test("this is a test")
test("test 123 123 1234")
test("#")
test("# # #")
test("# 123")
test("#abcd")
test("##1234")
test("test#1234")
test("#1234test")
test(" test #1234test")
// should not render issue mention without leading space
test("test#54321 issue")
// should not render issue mention without trailing space
test("test #54321issue")
}
func TestRender_IssueIndexPattern2(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// numeric: render inputs with valid mentions
test := func(s, expectedFmt string, indices ...int) {
links := make([]interface{}, len(indices))
for i, index := range indices {
links[i] = numericIssueLink(URLJoin(setting.AppSubURL, "issues"), index)
}
expectedNil := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNil, nil)
for i, index := range indices {
links[i] = numericIssueLink("https://someurl.com/someUser/someRepo/", index)
}
expectedNum := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expectedNum, numericMetas)
}
// should render freestanding mentions
test("#1234 test", "%s test", 1234)
test("test #8 issue", "test %s issue", 8)
test("test issue #1234", "test issue %s", 1234)
// should render mentions in parentheses
test("(#54321 issue)", "(%s issue)", 54321)
test("test (#9801 extra) issue", "test (%s extra) issue", 9801)
test("test (#1)", "test (%s)", 1)
// should render multiple issue mentions in the same line
test("#54321 #1243", "%s %s", 54321, 1243)
test("wow (#54321 #1243)", "wow (%s %s)", 54321, 1243)
test("(#4)(#5)", "(%s)(%s)", 4, 5)
test("#1 (#4321) test", "%s (%s) test", 1, 4321)
}
func TestRender_IssueIndexPattern3(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// alphanumeric: render inputs without valid mentions
test := func(s string) {
testRenderIssueIndexPattern(t, s, s, alphanumericMetas)
}
test("")
test("this is a test")
test("test 123 123 1234")
test("#")
test("##1234")
test("# 123")
test("#abcd")
test("test #123")
test("abc-1234") // issue prefix must be capital
test("ABc-1234") // issue prefix must be _all_ capital
test("ABCDEFGHIJK-1234") // the limit is 10 characters in the prefix
test("ABC1234") // dash is required
test("test ABC- test") // number is required
test("test -1234 test") // prefix is required
test("testABC-123 test") // leading space is required
test("test ABC-123test") // trailing space is required
test("ABC-0123") // no leading zero
}
func TestRender_IssueIndexPattern4(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
// alphanumeric: render inputs with valid mentions
test := func(s, expectedFmt string, names ...string) {
links := make([]interface{}, len(names))
for i, name := range names {
links[i] = alphanumIssueLink("https://someurl.com/someUser/someRepo/", name)
}
expected := fmt.Sprintf(expectedFmt, links...)
testRenderIssueIndexPattern(t, s, expected, alphanumericMetas)
}
test("OTT-1234 test", "%s test", "OTT-1234")
test("test T-12 issue", "test %s issue", "T-12")
test("test issue ABCDEFGHIJ-1234567890", "test issue %s", "ABCDEFGHIJ-1234567890")
}
func TestRender_AutoLink(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderSpecialLink([]byte(input), setting.AppSubURL, nil, false)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
buffer = RenderSpecialLink([]byte(input), setting.AppSubURL, nil, true)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
// render valid issue URLs
test(URLJoin(setting.AppSubURL, "issues", "3333"),
numericIssueLink(URLJoin(setting.AppSubURL, "issues"), 3333))
// render external issue URLs
for _, externalURL := range []string{
"http://1111/2222/ssss-issues/3333?param=blah&blahh=333",
"http://test.com/issues/33333",
"https://issues/333"} {
test(externalURL, externalURL)
}
// render valid commit URLs
tmp := URLJoin(AppSubURL, "commit", "d8a994ef243349f321568f9e36d5c3f444b99cae")
test(tmp, "<a href=\""+tmp+"\">d8a994ef24</a>")
tmp += "#diff-2"
test(tmp, "<a href=\""+tmp+"\">d8a994ef24 (diff-2)</a>")
// render other commit URLs
tmp = "https://external-link.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2"
test(tmp, "<a href=\""+tmp+"\">d8a994ef24 (diff-2)</a>")
}
func TestRender_Commits(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
buffer := RenderString(".md", input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
var sha = "b6dd6210eaebc915fd5be5579c58cce4da2e2579"
var commit = URLJoin(AppSubURL, "commit", sha)
var subtree = URLJoin(commit, "src")
var tree = strings.Replace(subtree, "/commit/", "/tree/", -1)
var src = strings.Replace(subtree, "/commit/", "/src/", -1)
test(sha, `<p><a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
test(sha[:7], `<p><a href="`+commit[:len(commit)-(40-7)]+`" rel="nofollow">b6dd621</a></p>`)
test(sha[:39], `<p><a href="`+commit[:len(commit)-(40-39)]+`" rel="nofollow">b6dd6210ea</a></p>`)
test(commit, `<p><a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
test(tree, `<p><a href="`+src+`" rel="nofollow">b6dd6210ea/src</a></p>`)
test("commit "+sha, `<p>commit <a href="`+commit+`" rel="nofollow">b6dd6210ea</a></p>`)
}
func TestRender_CrossReferences(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)))
}
test(
"gogits/gogs#12345",
`<p><a href="`+URLJoin(AppURL, "gogits", "gogs", "issues", "12345")+`" rel="nofollow">gogits/gogs#12345</a></p>`)
}
func TestRender_FullIssueURLs(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
test := func(input, expected string) {
result := RenderFullIssuePattern([]byte(input))
assert.Equal(t, expected, string(result))
}
test("Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6",
"Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6")
test("Look here http://localhost:3000/person/repo/issues/4",
`Look here <a href="http://localhost:3000/person/repo/issues/4">#4</a>`)
test("http://localhost:3000/person/repo/issues/4#issuecomment-1234",
`<a href="http://localhost:3000/person/repo/issues/4#issuecomment-1234">#4</a>`)
}
func TestRegExp_MentionPattern(t *testing.T) {
trueTestCases := []string{
"@Unknwon",
"@ANT_123",
"@xxx-DiN0-z-A..uru..s-xxx",
" @lol ",
" @Te/st",
}
falseTestCases := []string{
"@ 0",
"@ ",
"@",
"",
"ABC",
}
for _, testCase := range trueTestCases {
res := MentionPattern.MatchString(testCase)
if !res {
println()
println(testCase)
}
assert.True(t, res)
}
for _, testCase := range falseTestCases {
res := MentionPattern.MatchString(testCase)
if res {
println()
println(testCase)
}
assert.False(t, res)
}
}
func TestRegExp_IssueNumericPattern(t *testing.T) {
trueTestCases := []string{
"#1234",
"#0",
"#1234567890987654321",
}
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_IssueAlphanumericPattern(t *testing.T) {
trueTestCases := []string{
"ABC-1234",
"A-1",
"RC-80",
"ABCDEFGHIJ-1234567890987654321234567890",
}
falseTestCases := []string{
"RC-08",
"PR-0",
"ABCDEFGHIJK-1",
"PR_1",
"",
"#ABC",
"",
"ABC",
"GG-",
"rm-1",
}
for _, testCase := range trueTestCases {
assert.True(t, IssueAlphanumericPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, IssueAlphanumericPattern.MatchString(testCase))
}
}
func TestRegExp_Sha1CurrentPattern(t *testing.T) {
trueTestCases := []string{
"d8a994ef243349f321568f9e36d5c3f444b99cae",
"abcdefabcdefabcdefabcdefabcdefabcdefabcd",
}
falseTestCases := []string{
"test",
"abcdefg",
"abcdefghijklmnopqrstuvwxyzabcdefghijklmn",
"abcdefghijklmnopqrstuvwxyzabcdefghijklmO",
}
for _, testCase := range trueTestCases {
assert.True(t, Sha1CurrentPattern.MatchString(testCase))
}
for _, testCase := range falseTestCases {
assert.False(t, Sha1CurrentPattern.MatchString(testCase))
}
}
func TestRegExp_AnySHA1Pattern(t *testing.T) {
testCases := map[string][]string{
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js#L2703": {
"https",
"github.com",
"jquery",
"jquery",
"blob",
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"test/unit/event.js",
"L2703",
},
"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js": {
"https",
"github.com",
"jquery",
"jquery",
"blob",
"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
"test/unit/event.js",
"",
},
"https://github.com/jquery/jquery/commit/0705be475092aede1eddae01319ec931fb9c65fc": {
"https",
"github.com",
"jquery",
"jquery",
"commit",
"0705be475092aede1eddae01319ec931fb9c65fc",
"",
"",
},
"https://github.com/jquery/jquery/tree/0705be475092aede1eddae01319ec931fb9c65fc/src": {
"https",
"github.com",
"jquery",
"jquery",
"tree",
"0705be475092aede1eddae01319ec931fb9c65fc",
"src",
"",
},
"https://try.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2": {
"https",
"try.gogs.io",
"gogs",
"gogs",
"commit",
"d8a994ef243349f321568f9e36d5c3f444b99cae",
"",
"diff-2",
},
}
for k, v := range testCases {
assert.Equal(t, AnySHA1Pattern.FindStringSubmatch(k)[1:], v)
}
}
func TestMisc_IsSameDomain(t *testing.T) {
setting.AppURL = AppURL
setting.AppSubURL = AppSubURL
var sha = "b6dd6210eaebc915fd5be5579c58cce4da2e2579"
var commit = URLJoin(AppSubURL, "commit", sha)
assert.True(t, IsSameDomain(commit))
assert.False(t, IsSameDomain("http://google.com/ncr"))
assert.False(t, IsSameDomain("favicon.ico"))
}

80
modules/markup/markup.go
View file

@ -9,6 +9,12 @@ import (
"strings"
)
// Init initialize regexps for markdown parsing
func Init() {
getIssueFullPattern()
NewSanitizer()
}
// Parser defines an interface for parsering markup file to HTML
type Parser interface {
Name() string // markup format name
@ -17,66 +23,94 @@ type Parser interface {
}
var (
parsers = make(map[string]Parser)
extParsers = make(map[string]Parser)
parsers = make(map[string]Parser)
)
// RegisterParser registers a new markup file parser
func RegisterParser(parser Parser) {
parsers[parser.Name()] = parser
for _, ext := range parser.Extensions() {
parsers[strings.ToLower(ext)] = parser
extParsers[strings.ToLower(ext)] = parser
}
}
// GetParserByFileName get parser by filename
func GetParserByFileName(filename string) Parser {
extension := strings.ToLower(filepath.Ext(filename))
return extParsers[extension]
}
// GetParserByType returns a parser according type
func GetParserByType(tp string) Parser {
return parsers[tp]
}
// Render renders markup file to HTML with all specific handling stuff.
func Render(filename string, rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
return render(filename, rawBytes, urlPrefix, metas, false)
return renderFile(filename, rawBytes, urlPrefix, metas, false)
}
func render(filename string, rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
extension := strings.ToLower(filepath.Ext(filename))
if parser, ok := parsers[extension]; ok {
return parser.Render(rawBytes, urlPrefix, metas, isWiki)
}
return nil
// RenderByType renders markup to HTML with special links and returns string type.
func RenderByType(tp string, rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
return renderByType(tp, rawBytes, urlPrefix, metas, false)
}
// RenderString renders Markdown to HTML with special links and returns string type.
func RenderString(filename string, raw, urlPrefix string, metas map[string]string) string {
return string(render(filename, []byte(raw), urlPrefix, metas, false))
return string(renderFile(filename, []byte(raw), urlPrefix, metas, false))
}
// RenderWiki renders markdown wiki page to HTML and return HTML string
func RenderWiki(filename string, rawBytes []byte, urlPrefix string, metas map[string]string) string {
return string(render(filename, rawBytes, urlPrefix, metas, true))
return string(renderFile(filename, rawBytes, urlPrefix, metas, true))
}
func render(parser Parser, rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
urlPrefix = strings.Replace(urlPrefix, " ", "+", -1)
result := parser.Render(rawBytes, urlPrefix, metas, isWiki)
result = PostProcess(result, urlPrefix, metas, isWiki)
return SanitizeBytes(result)
}
func renderByType(tp string, rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
if parser, ok := parsers[tp]; ok {
return render(parser, rawBytes, urlPrefix, metas, isWiki)
}
return nil
}
func renderFile(filename string, rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
extension := strings.ToLower(filepath.Ext(filename))
if parser, ok := extParsers[extension]; ok {
return render(parser, rawBytes, urlPrefix, metas, isWiki)
}
return nil
}
// Type returns if markup format via the filename
func Type(filename string) string {
extension := strings.ToLower(filepath.Ext(filename))
if parser, ok := parsers[extension]; ok {
if parser := GetParserByFileName(filename); parser != nil {
return parser.Name()
}
return ""
}
// ReadmeFileType reports whether name looks like a README file
// based on its name and find the parser via its ext name
func ReadmeFileType(name string) (string, bool) {
if IsReadmeFile(name) {
return Type(name), true
// IsMarkupFile reports whether file is a markup type file
func IsMarkupFile(name, markup string) bool {
if parser := GetParserByFileName(name); parser != nil {
return parser.Name() == markup
}
return "", false
return false
}
// IsReadmeFile reports whether name looks like a README file
// based on its name.
func IsReadmeFile(name string) bool {
name = strings.ToLower(name)
if len(name) < 6 {
return false
}
name = strings.ToLower(name)
if len(name) == 6 {
} else if len(name) == 6 {
return name == "readme"
}
return name[:7] == "readme."

5
modules/markup/markup_test.go
View file

@ -2,11 +2,14 @@
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markup
package markup_test
import (
"testing"
_ "code.gitea.io/gitea/modules/markdown"
. "code.gitea.io/gitea/modules/markup"
"github.com/stretchr/testify/assert"
)

2
modules/markdown/sanitizer.go → modules/markup/sanitizer.go
View file

@ -3,7 +3,7 @@
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markdown
package markup
import (
"regexp"

2
modules/markdown/sanitizer_test.go → modules/markup/sanitizer_test.go
View file

@ -3,7 +3,7 @@
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markdown
package markup
import (
"testing"

6
modules/templates/helper.go
View file

@ -24,7 +24,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
@ -173,7 +173,7 @@ func SafeJS(raw string) template.JS {
// Str2html render Markdown text to HTML
func Str2html(raw string) template.HTML {
return template.HTML(markdown.Sanitize(raw))
return template.HTML(markup.Sanitize(raw))
}
// List traversings the list
@ -253,7 +253,7 @@ func ReplaceLeft(s, old, new string) string {
// RenderCommitMessage renders commit message with XSS-safe and special links.
func RenderCommitMessage(full bool, msg, urlPrefix string, metas map[string]string) template.HTML {
cleanMsg := template.HTMLEscapeString(msg)
fullMessage := string(markdown.RenderIssueIndexPattern([]byte(cleanMsg), urlPrefix, metas))
fullMessage := string(markup.RenderIssueIndexPattern([]byte(cleanMsg), urlPrefix, metas))
msgLines := strings.Split(strings.TrimSpace(fullMessage), "\n")
numLines := len(msgLines)
if numLines == 0 {

3
routers/api/v1/misc/markdown.go
View file

@ -9,6 +9,7 @@ import (
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
@ -39,7 +40,7 @@ func Markdown(ctx *context.APIContext, form api.MarkdownOption) {
switch form.Mode {
case "gfm":
md := []byte(form.Text)
context := markdown.URLJoin(setting.AppURL, form.Context)
context := markup.URLJoin(setting.AppURL, form.Context)
if form.Wiki {
ctx.Write([]byte(markdown.RenderWiki(md, context, nil)))
} else {

20
routers/api/v1/misc/markdown_test.go
View file

@ -1,23 +1,21 @@
package misc
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"testing"
macaron "gopkg.in/macaron.v1"
"net/url"
"io/ioutil"
"strings"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/sdk/gitea"
"github.com/go-macaron/inject"
"github.com/stretchr/testify/assert"
macaron "gopkg.in/macaron.v1"
)
const AppURL = "http://localhost:3000/"
@ -55,7 +53,7 @@ func TestAPI_RenderGFM(t *testing.T) {
Context: Repo,
Wiki: true,
}
requrl, _ := url.Parse(markdown.URLJoin(AppURL, "api", "v1", "markdown"))
requrl, _ := url.Parse(markup.URLJoin(AppURL, "api", "v1", "markdown"))
req := &http.Request{
Method: "POST",
URL: requrl,
@ -149,7 +147,7 @@ func TestAPI_RenderSimple(t *testing.T) {
Text: "",
Context: Repo,
}
requrl, _ := url.Parse(markdown.URLJoin(AppURL, "api", "v1", "markdown"))
requrl, _ := url.Parse(markup.URLJoin(AppURL, "api", "v1", "markdown"))
req := &http.Request{
Method: "POST",
URL: requrl,
@ -168,7 +166,7 @@ func TestAPI_RenderSimple(t *testing.T) {
func TestAPI_RenderRaw(t *testing.T) {
setting.AppURL = AppURL
requrl, _ := url.Parse(markdown.URLJoin(AppURL, "api", "v1", "markdown"))
requrl, _ := url.Parse(markup.URLJoin(AppURL, "api", "v1", "markdown"))
req := &http.Request{
Method: "POST",
URL: requrl,

6
routers/init.go
View file

@ -16,7 +16,7 @@ import (
"code.gitea.io/gitea/modules/indexer"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/mailer"
"code.gitea.io/gitea/modules/markdown"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/ssh"
macaron "gopkg.in/macaron.v1"
@ -50,8 +50,8 @@ func GlobalInit() {
if setting.InstallLock {
highlight.NewContext()
markdown.InitMarkdown()
markdown.NewSanitizer()
markup.Init()
if err := models.NewEngine(migrations.Migrate); err != nil {
log.Fatal(4, "Failed to initialize ORM engine: %v", err)
}

5
routers/repo/view.go
View file

@ -61,13 +61,12 @@ func renderDirectory(ctx *context.Context, treeLink string) {
continue
}
tp, ok := markup.ReadmeFileType(entry.Name())
if !ok {
if !markup.IsReadmeFile(entry.Name()) {
continue
}
readmeFile = entry.Blob()
if tp != "" {
if markup.Type(entry.Name()) != "" {
break
}
}