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Code Issues Pull Requests Releases Wiki Activity

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

* 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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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)
}

594
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)
assert.True(t, IsSameDomain(commit))
assert.False(t, IsSameDomain("http://google.com/ncr"))
assert.False(t, IsSameDomain("favicon.ico"))
test := func(input, expected string) {
buffer := RenderString(input, setting.AppSubURL, nil)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
// 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]]
url := "../../.images/src/02/train.jpg"
title := "Train"
result := markup.URLJoin(AppSubURL, url)
Ideas and codes
test(
"!["+title+"]("+url+")",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"></a></p>`)
- 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).
test(
"[["+title+"|"+url+"]]",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" alt="`+title+`" title="`+title+`"/></a></p>`)
}
## Quick Links
Here are some links to the most important topics. You can find the full list of pages at the sidebar.
func TestRegExp_ShortLinkPattern(t *testing.T) {
trueTestCases := []string{
"[[stuff]]",
"[[]]",
"[[stuff|title=Difficult name with spaces*!]]",
}
falseTestCases := []string{
"test",
"abcdefg",
"[[]",
"[[",
"[]",
"]]",
"abcdefghijklmnopqrstuvwxyz",
}
| [[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
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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
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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"))
}

78
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 (
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
}
}