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gitea/modules/templates/helper.go
zeripath 96969ddec8
Fix yet another bug with diff file names (#12771)
Following further testing it has become apparent that the diff line
cannot be used to determine filenames for diffs with any sort of predictability
the answer therefore is to use the other lines that are provided with a diff

Fix #12768

Signed-off-by: Andrew Thornton <art27@cantab.net>
2020-09-09 14:08:40 +01:00

805 lines
22 KiB
Go

// Copyright 2018 The Gitea Authors. All rights reserved.
// Copyright 2014 The Gogs 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 templates
import (
"bytes"
"container/list"
"encoding/json"
"errors"
"fmt"
"html"
"html/template"
"mime"
"net/url"
"path/filepath"
"regexp"
"runtime"
"strings"
texttmpl "text/template"
"time"
"unicode"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/emoji"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/svg"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/services/gitdiff"
mirror_service "code.gitea.io/gitea/services/mirror"
"github.com/editorconfig/editorconfig-core-go/v2"
)
// Used from static.go && dynamic.go
var mailSubjectSplit = regexp.MustCompile(`(?m)^-{3,}[\s]*$`)
// NewFuncMap returns functions for injecting to templates
func NewFuncMap() []template.FuncMap {
return []template.FuncMap{map[string]interface{}{
"GoVer": func() string {
return strings.Title(runtime.Version())
},
"UseHTTPS": func() bool {
return strings.HasPrefix(setting.AppURL, "https")
},
"AppName": func() string {
return setting.AppName
},
"AppSubUrl": func() string {
return setting.AppSubURL
},
"StaticUrlPrefix": func() string {
return setting.StaticURLPrefix
},
"AppUrl": func() string {
return setting.AppURL
},
"AppVer": func() string {
return setting.AppVer
},
"AppBuiltWith": func() string {
return setting.AppBuiltWith
},
"AppDomain": func() string {
return setting.Domain
},
"DisableGravatar": func() bool {
return setting.DisableGravatar
},
"DefaultShowFullName": func() bool {
return setting.UI.DefaultShowFullName
},
"ShowFooterTemplateLoadTime": func() bool {
return setting.ShowFooterTemplateLoadTime
},
"LoadTimes": func(startTime time.Time) string {
return fmt.Sprint(time.Since(startTime).Nanoseconds()/1e6) + "ms"
},
"AllowedReactions": func() []string {
return setting.UI.Reactions
},
"AvatarLink": models.AvatarLink,
"Safe": Safe,
"SafeJS": SafeJS,
"Str2html": Str2html,
"TimeSince": timeutil.TimeSince,
"TimeSinceUnix": timeutil.TimeSinceUnix,
"RawTimeSince": timeutil.RawTimeSince,
"FileSize": base.FileSize,
"PrettyNumber": base.PrettyNumber,
"Subtract": base.Subtract,
"EntryIcon": base.EntryIcon,
"MigrationIcon": MigrationIcon,
"Add": func(a ...int) int {
sum := 0
for _, val := range a {
sum += val
}
return sum
},
"Mul": func(a ...int) int {
sum := 1
for _, val := range a {
sum *= val
}
return sum
},
"ActionIcon": ActionIcon,
"DateFmtLong": func(t time.Time) string {
return t.Format(time.RFC1123Z)
},
"DateFmtShort": func(t time.Time) string {
return t.Format("Jan 02, 2006")
},
"SizeFmt": base.FileSize,
"List": List,
"SubStr": func(str string, start, length int) string {
if len(str) == 0 {
return ""
}
end := start + length
if length == -1 {
end = len(str)
}
if len(str) < end {
return str
}
return str[start:end]
},
"EllipsisString": base.EllipsisString,
"DiffTypeToStr": DiffTypeToStr,
"DiffLineTypeToStr": DiffLineTypeToStr,
"Sha1": Sha1,
"ShortSha": base.ShortSha,
"MD5": base.EncodeMD5,
"ActionContent2Commits": ActionContent2Commits,
"PathEscape": url.PathEscape,
"EscapePound": func(str string) string {
return strings.NewReplacer("%", "%25", "#", "%23", " ", "%20", "?", "%3F").Replace(str)
},
"PathEscapeSegments": util.PathEscapeSegments,
"URLJoin": util.URLJoin,
"RenderCommitMessage": RenderCommitMessage,
"RenderCommitMessageLink": RenderCommitMessageLink,
"RenderCommitMessageLinkSubject": RenderCommitMessageLinkSubject,
"RenderCommitBody": RenderCommitBody,
"RenderEmoji": RenderEmoji,
"RenderEmojiPlain": emoji.ReplaceAliases,
"ReactionToEmoji": ReactionToEmoji,
"RenderNote": RenderNote,
"IsMultilineCommitMessage": IsMultilineCommitMessage,
"ThemeColorMetaTag": func() string {
return setting.UI.ThemeColorMetaTag
},
"MetaAuthor": func() string {
return setting.UI.Meta.Author
},
"MetaDescription": func() string {
return setting.UI.Meta.Description
},
"MetaKeywords": func() string {
return setting.UI.Meta.Keywords
},
"UseServiceWorker": func() bool {
return setting.UI.UseServiceWorker
},
"FilenameIsImage": func(filename string) bool {
mimeType := mime.TypeByExtension(filepath.Ext(filename))
return strings.HasPrefix(mimeType, "image/")
},
"TabSizeClass": func(ec interface{}, filename string) string {
var (
value *editorconfig.Editorconfig
ok bool
)
if ec != nil {
if value, ok = ec.(*editorconfig.Editorconfig); !ok || value == nil {
return "tab-size-8"
}
def, err := value.GetDefinitionForFilename(filename)
if err != nil {
log.Error("tab size class: getting definition for filename: %v", err)
return "tab-size-8"
}
if def.TabWidth > 0 {
return fmt.Sprintf("tab-size-%d", def.TabWidth)
}
}
return "tab-size-8"
},
"SubJumpablePath": func(str string) []string {
var path []string
index := strings.LastIndex(str, "/")
if index != -1 && index != len(str) {
path = append(path, str[0:index+1], str[index+1:])
} else {
path = append(path, str)
}
return path
},
"Json": func(in interface{}) string {
out, err := json.Marshal(in)
if err != nil {
return ""
}
return string(out)
},
"JsonPrettyPrint": func(in string) string {
var out bytes.Buffer
err := json.Indent(&out, []byte(in), "", " ")
if err != nil {
return ""
}
return out.String()
},
"DisableGitHooks": func() bool {
return setting.DisableGitHooks
},
"DisableImportLocal": func() bool {
return !setting.ImportLocalPaths
},
"TrN": TrN,
"Dict": func(values ...interface{}) (map[string]interface{}, error) {
if len(values)%2 != 0 {
return nil, errors.New("invalid dict call")
}
dict := make(map[string]interface{}, len(values)/2)
for i := 0; i < len(values); i += 2 {
key, ok := values[i].(string)
if !ok {
return nil, errors.New("dict keys must be strings")
}
dict[key] = values[i+1]
}
return dict, nil
},
"Printf": fmt.Sprintf,
"Escape": Escape,
"Sec2Time": models.SecToTime,
"ParseDeadline": func(deadline string) []string {
return strings.Split(deadline, "|")
},
"DefaultTheme": func() string {
return setting.UI.DefaultTheme
},
"dict": func(values ...interface{}) (map[string]interface{}, error) {
if len(values) == 0 {
return nil, errors.New("invalid dict call")
}
dict := make(map[string]interface{})
for i := 0; i < len(values); i++ {
switch key := values[i].(type) {
case string:
i++
if i == len(values) {
return nil, errors.New("specify the key for non array values")
}
dict[key] = values[i]
case map[string]interface{}:
m := values[i].(map[string]interface{})
for i, v := range m {
dict[i] = v
}
default:
return nil, errors.New("dict values must be maps")
}
}
return dict, nil
},
"percentage": func(n int, values ...int) float32 {
var sum = 0
for i := 0; i < len(values); i++ {
sum += values[i]
}
return float32(n) * 100 / float32(sum)
},
"CommentMustAsDiff": gitdiff.CommentMustAsDiff,
"MirrorAddress": mirror_service.Address,
"MirrorFullAddress": mirror_service.AddressNoCredentials,
"MirrorUserName": mirror_service.Username,
"MirrorPassword": mirror_service.Password,
"CommitType": func(commit interface{}) string {
switch commit.(type) {
case models.SignCommitWithStatuses:
return "SignCommitWithStatuses"
case models.SignCommit:
return "SignCommit"
case models.UserCommit:
return "UserCommit"
default:
return ""
}
},
"NotificationSettings": func() map[string]interface{} {
return map[string]interface{}{
"MinTimeout": int(setting.UI.Notification.MinTimeout / time.Millisecond),
"TimeoutStep": int(setting.UI.Notification.TimeoutStep / time.Millisecond),
"MaxTimeout": int(setting.UI.Notification.MaxTimeout / time.Millisecond),
"EventSourceUpdateTime": int(setting.UI.Notification.EventSourceUpdateTime / time.Millisecond),
}
},
"contain": func(s []int64, id int64) bool {
for i := 0; i < len(s); i++ {
if s[i] == id {
return true
}
}
return false
},
"svg": SVG,
"SortArrow": func(normSort, revSort, urlSort string, isDefault bool) template.HTML {
// if needed
if len(normSort) == 0 || len(urlSort) == 0 {
return ""
}
if len(urlSort) == 0 && isDefault {
// if sort is sorted as default add arrow tho this table header
if isDefault {
return SVG("octicon-triangle-down", 16)
}
} else {
// if sort arg is in url test if it correlates with column header sort arguments
if urlSort == normSort {
// the table is sorted with this header normal
return SVG("octicon-triangle-down", 16)
} else if urlSort == revSort {
// the table is sorted with this header reverse
return SVG("octicon-triangle-up", 16)
}
}
// the table is NOT sorted with this header
return ""
},
}}
}
// NewTextFuncMap returns functions for injecting to text templates
// It's a subset of those used for HTML and other templates
func NewTextFuncMap() []texttmpl.FuncMap {
return []texttmpl.FuncMap{map[string]interface{}{
"GoVer": func() string {
return strings.Title(runtime.Version())
},
"AppName": func() string {
return setting.AppName
},
"AppSubUrl": func() string {
return setting.AppSubURL
},
"AppUrl": func() string {
return setting.AppURL
},
"AppVer": func() string {
return setting.AppVer
},
"AppBuiltWith": func() string {
return setting.AppBuiltWith
},
"AppDomain": func() string {
return setting.Domain
},
"TimeSince": timeutil.TimeSince,
"TimeSinceUnix": timeutil.TimeSinceUnix,
"RawTimeSince": timeutil.RawTimeSince,
"DateFmtLong": func(t time.Time) string {
return t.Format(time.RFC1123Z)
},
"DateFmtShort": func(t time.Time) string {
return t.Format("Jan 02, 2006")
},
"List": List,
"SubStr": func(str string, start, length int) string {
if len(str) == 0 {
return ""
}
end := start + length
if length == -1 {
end = len(str)
}
if len(str) < end {
return str
}
return str[start:end]
},
"EllipsisString": base.EllipsisString,
"URLJoin": util.URLJoin,
"Dict": func(values ...interface{}) (map[string]interface{}, error) {
if len(values)%2 != 0 {
return nil, errors.New("invalid dict call")
}
dict := make(map[string]interface{}, len(values)/2)
for i := 0; i < len(values); i += 2 {
key, ok := values[i].(string)
if !ok {
return nil, errors.New("dict keys must be strings")
}
dict[key] = values[i+1]
}
return dict, nil
},
"Printf": fmt.Sprintf,
"Escape": Escape,
"Sec2Time": models.SecToTime,
"ParseDeadline": func(deadline string) []string {
return strings.Split(deadline, "|")
},
"dict": func(values ...interface{}) (map[string]interface{}, error) {
if len(values) == 0 {
return nil, errors.New("invalid dict call")
}
dict := make(map[string]interface{})
for i := 0; i < len(values); i++ {
switch key := values[i].(type) {
case string:
i++
if i == len(values) {
return nil, errors.New("specify the key for non array values")
}
dict[key] = values[i]
case map[string]interface{}:
m := values[i].(map[string]interface{})
for i, v := range m {
dict[i] = v
}
default:
return nil, errors.New("dict values must be maps")
}
}
return dict, nil
},
"percentage": func(n int, values ...int) float32 {
var sum = 0
for i := 0; i < len(values); i++ {
sum += values[i]
}
return float32(n) * 100 / float32(sum)
},
"Add": func(a ...int) int {
sum := 0
for _, val := range a {
sum += val
}
return sum
},
"Mul": func(a ...int) int {
sum := 1
for _, val := range a {
sum *= val
}
return sum
},
}}
}
var widthRe = regexp.MustCompile(`width="[0-9]+?"`)
var heightRe = regexp.MustCompile(`height="[0-9]+?"`)
// SVG render icons - arguments icon name (string), size (int), class (string)
func SVG(icon string, others ...interface{}) template.HTML {
var size = others[0].(int)
class := ""
if len(others) > 1 && others[1].(string) != "" {
class = others[1].(string)
}
if svgStr, ok := svg.SVGs[icon]; ok {
if size != 16 {
svgStr = widthRe.ReplaceAllString(svgStr, fmt.Sprintf(`width="%d"`, size))
svgStr = heightRe.ReplaceAllString(svgStr, fmt.Sprintf(`height="%d"`, size))
}
if class != "" {
svgStr = strings.Replace(svgStr, `class="`, fmt.Sprintf(`class="%s `, class), 1)
}
return template.HTML(svgStr)
}
return template.HTML("")
}
// Safe render raw as HTML
func Safe(raw string) template.HTML {
return template.HTML(raw)
}
// SafeJS renders raw as JS
func SafeJS(raw string) template.JS {
return template.JS(raw)
}
// Str2html render Markdown text to HTML
func Str2html(raw string) template.HTML {
return template.HTML(markup.Sanitize(raw))
}
// Escape escapes a HTML string
func Escape(raw string) string {
return html.EscapeString(raw)
}
// List traversings the list
func List(l *list.List) chan interface{} {
e := l.Front()
c := make(chan interface{})
go func() {
for e != nil {
c <- e.Value
e = e.Next()
}
close(c)
}()
return c
}
// Sha1 returns sha1 sum of string
func Sha1(str string) string {
return base.EncodeSha1(str)
}
// RenderCommitMessage renders commit message with XSS-safe and special links.
func RenderCommitMessage(msg, urlPrefix string, metas map[string]string) template.HTML {
return RenderCommitMessageLink(msg, urlPrefix, "", metas)
}
// RenderCommitMessageLink renders commit message as a XXS-safe link to the provided
// default url, handling for special links.
func RenderCommitMessageLink(msg, urlPrefix, urlDefault string, metas map[string]string) template.HTML {
cleanMsg := template.HTMLEscapeString(msg)
// we can safely assume that it will not return any error, since there
// shouldn't be any special HTML.
fullMessage, err := markup.RenderCommitMessage([]byte(cleanMsg), urlPrefix, urlDefault, metas)
if err != nil {
log.Error("RenderCommitMessage: %v", err)
return ""
}
msgLines := strings.Split(strings.TrimSpace(string(fullMessage)), "\n")
if len(msgLines) == 0 {
return template.HTML("")
}
return template.HTML(msgLines[0])
}
// RenderCommitMessageLinkSubject renders commit message as a XXS-safe link to
// the provided default url, handling for special links without email to links.
func RenderCommitMessageLinkSubject(msg, urlPrefix, urlDefault string, metas map[string]string) template.HTML {
msgLine := strings.TrimLeftFunc(msg, unicode.IsSpace)
lineEnd := strings.IndexByte(msgLine, '\n')
if lineEnd > 0 {
msgLine = msgLine[:lineEnd]
}
msgLine = strings.TrimRightFunc(msgLine, unicode.IsSpace)
if len(msgLine) == 0 {
return template.HTML("")
}
// we can safely assume that it will not return any error, since there
// shouldn't be any special HTML.
renderedMessage, err := markup.RenderCommitMessageSubject([]byte(template.HTMLEscapeString(msgLine)), urlPrefix, urlDefault, metas)
if err != nil {
log.Error("RenderCommitMessageSubject: %v", err)
return template.HTML("")
}
return template.HTML(renderedMessage)
}
// RenderCommitBody extracts the body of a commit message without its title.
func RenderCommitBody(msg, urlPrefix string, metas map[string]string) template.HTML {
msgLine := strings.TrimRightFunc(msg, unicode.IsSpace)
lineEnd := strings.IndexByte(msgLine, '\n')
if lineEnd > 0 {
msgLine = msgLine[lineEnd+1:]
} else {
return template.HTML("")
}
msgLine = strings.TrimLeftFunc(msgLine, unicode.IsSpace)
if len(msgLine) == 0 {
return template.HTML("")
}
renderedMessage, err := markup.RenderCommitMessage([]byte(template.HTMLEscapeString(msgLine)), urlPrefix, "", metas)
if err != nil {
log.Error("RenderCommitMessage: %v", err)
return ""
}
return template.HTML(renderedMessage)
}
// RenderEmoji renders html text with emoji post processors
func RenderEmoji(text string) template.HTML {
renderedText, err := markup.RenderEmoji([]byte(template.HTMLEscapeString(text)))
if err != nil {
log.Error("RenderEmoji: %v", err)
return template.HTML("")
}
return template.HTML(renderedText)
}
//ReactionToEmoji renders emoji for use in reactions
func ReactionToEmoji(reaction string) template.HTML {
val := emoji.FromCode(reaction)
if val != nil {
return template.HTML(val.Emoji)
}
val = emoji.FromAlias(reaction)
if val != nil {
return template.HTML(val.Emoji)
}
return template.HTML(fmt.Sprintf(`<img alt=":%s:" src="%s/img/emoji/%s.png"></img>`, reaction, setting.StaticURLPrefix, reaction))
}
// RenderNote renders the contents of a git-notes file as a commit message.
func RenderNote(msg, urlPrefix string, metas map[string]string) template.HTML {
cleanMsg := template.HTMLEscapeString(msg)
fullMessage, err := markup.RenderCommitMessage([]byte(cleanMsg), urlPrefix, "", metas)
if err != nil {
log.Error("RenderNote: %v", err)
return ""
}
return template.HTML(string(fullMessage))
}
// IsMultilineCommitMessage checks to see if a commit message contains multiple lines.
func IsMultilineCommitMessage(msg string) bool {
return strings.Count(strings.TrimSpace(msg), "\n") >= 1
}
// Actioner describes an action
type Actioner interface {
GetOpType() models.ActionType
GetActUserName() string
GetRepoUserName() string
GetRepoName() string
GetRepoPath() string
GetRepoLink() string
GetBranch() string
GetContent() string
GetCreate() time.Time
GetIssueInfos() []string
}
// ActionIcon accepts an action operation type and returns an icon class name.
func ActionIcon(opType models.ActionType) string {
switch opType {
case models.ActionCreateRepo, models.ActionTransferRepo:
return "repo"
case models.ActionCommitRepo, models.ActionPushTag, models.ActionDeleteTag, models.ActionDeleteBranch:
return "git-commit"
case models.ActionCreateIssue:
return "issue-opened"
case models.ActionCreatePullRequest:
return "git-pull-request"
case models.ActionCommentIssue, models.ActionCommentPull:
return "comment-discussion"
case models.ActionMergePullRequest:
return "git-merge"
case models.ActionCloseIssue, models.ActionClosePullRequest:
return "issue-closed"
case models.ActionReopenIssue, models.ActionReopenPullRequest:
return "issue-reopened"
case models.ActionMirrorSyncPush, models.ActionMirrorSyncCreate, models.ActionMirrorSyncDelete:
return "repo-clone"
case models.ActionApprovePullRequest:
return "check"
case models.ActionRejectPullRequest:
return "diff"
case models.ActionPublishRelease:
return "tag"
default:
return "question"
}
}
// ActionContent2Commits converts action content to push commits
func ActionContent2Commits(act Actioner) *repository.PushCommits {
push := repository.NewPushCommits()
if err := json.Unmarshal([]byte(act.GetContent()), push); err != nil {
log.Error("json.Unmarshal:\n%s\nERROR: %v", act.GetContent(), err)
}
return push
}
// DiffTypeToStr returns diff type name
func DiffTypeToStr(diffType int) string {
diffTypes := map[int]string{
1: "add", 2: "modify", 3: "del", 4: "rename", 5: "copy",
}
return diffTypes[diffType]
}
// DiffLineTypeToStr returns diff line type name
func DiffLineTypeToStr(diffType int) string {
switch diffType {
case 2:
return "add"
case 3:
return "del"
case 4:
return "tag"
}
return "same"
}
// Language specific rules for translating plural texts
var trNLangRules = map[string]func(int64) int{
"en-US": func(cnt int64) int {
if cnt == 1 {
return 0
}
return 1
},
"lv-LV": func(cnt int64) int {
if cnt%10 == 1 && cnt%100 != 11 {
return 0
}
return 1
},
"ru-RU": func(cnt int64) int {
if cnt%10 == 1 && cnt%100 != 11 {
return 0
}
return 1
},
"zh-CN": func(cnt int64) int {
return 0
},
"zh-HK": func(cnt int64) int {
return 0
},
"zh-TW": func(cnt int64) int {
return 0
},
"fr-FR": func(cnt int64) int {
if cnt > -2 && cnt < 2 {
return 0
}
return 1
},
}
// TrN returns key to be used for plural text translation
func TrN(lang string, cnt interface{}, key1, keyN string) string {
var c int64
if t, ok := cnt.(int); ok {
c = int64(t)
} else if t, ok := cnt.(int16); ok {
c = int64(t)
} else if t, ok := cnt.(int32); ok {
c = int64(t)
} else if t, ok := cnt.(int64); ok {
c = t
} else {
return keyN
}
ruleFunc, ok := trNLangRules[lang]
if !ok {
ruleFunc = trNLangRules["en-US"]
}
if ruleFunc(c) == 0 {
return key1
}
return keyN
}
// MigrationIcon returns a Font Awesome name matching the service an issue/comment was migrated from
func MigrationIcon(hostname string) string {
switch hostname {
case "github.com":
return "fa-github"
default:
return "fa-git-alt"
}
}
func buildSubjectBodyTemplate(stpl *texttmpl.Template, btpl *template.Template, name string, content []byte) {
// Split template into subject and body
var subjectContent []byte
bodyContent := content
loc := mailSubjectSplit.FindIndex(content)
if loc != nil {
subjectContent = content[0:loc[0]]
bodyContent = content[loc[1]:]
}
if _, err := stpl.New(name).
Parse(string(subjectContent)); err != nil {
log.Warn("Failed to parse template [%s/subject]: %v", name, err)
}
if _, err := btpl.New(name).
Parse(string(bodyContent)); err != nil {
log.Warn("Failed to parse template [%s/body]: %v", name, err)
}
}