mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-27 08:42:14 +01:00
ffe089432f
Backport #25418 by @wolfogre Commit with `echo "\nmessage after a blank line\nsecond line of the message" | git commit --cleanup=verbatim -F -` and push. <img width="1139" alt="image" src="https://github.com/go-gitea/gitea/assets/9418365/f9a2c28c-e307-4c78-9e31-3d3ace7b9274"> Co-authored-by: Jason Song <i@wolfogre.com>
253 lines
8.5 KiB
Go
253 lines
8.5 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package templates
|
|
|
|
import (
|
|
"context"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"html/template"
|
|
"math"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
"unicode"
|
|
|
|
issues_model "code.gitea.io/gitea/models/issues"
|
|
"code.gitea.io/gitea/modules/emoji"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/markup"
|
|
"code.gitea.io/gitea/modules/markup/markdown"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/util"
|
|
)
|
|
|
|
// RenderCommitMessage renders commit message with XSS-safe and special links.
|
|
func RenderCommitMessage(ctx context.Context, msg, urlPrefix string, metas map[string]string) template.HTML {
|
|
return RenderCommitMessageLink(ctx, msg, urlPrefix, "", metas)
|
|
}
|
|
|
|
// RenderCommitMessageLink renders commit message as a XXS-safe link to the provided
|
|
// default url, handling for special links.
|
|
func RenderCommitMessageLink(ctx context.Context, 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(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: urlPrefix,
|
|
DefaultLink: urlDefault,
|
|
Metas: metas,
|
|
}, cleanMsg)
|
|
if err != nil {
|
|
log.Error("RenderCommitMessage: %v", err)
|
|
return ""
|
|
}
|
|
msgLines := strings.Split(strings.TrimSpace(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(ctx context.Context, 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(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: urlPrefix,
|
|
DefaultLink: urlDefault,
|
|
Metas: metas,
|
|
}, template.HTMLEscapeString(msgLine))
|
|
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(ctx context.Context, msg, urlPrefix string, metas map[string]string) template.HTML {
|
|
msgLine := strings.TrimSpace(msg)
|
|
lineEnd := strings.IndexByte(msgLine, '\n')
|
|
if lineEnd > 0 {
|
|
msgLine = msgLine[lineEnd+1:]
|
|
} else {
|
|
return ""
|
|
}
|
|
msgLine = strings.TrimLeftFunc(msgLine, unicode.IsSpace)
|
|
if len(msgLine) == 0 {
|
|
return ""
|
|
}
|
|
|
|
renderedMessage, err := markup.RenderCommitMessage(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: urlPrefix,
|
|
Metas: metas,
|
|
}, template.HTMLEscapeString(msgLine))
|
|
if err != nil {
|
|
log.Error("RenderCommitMessage: %v", err)
|
|
return ""
|
|
}
|
|
return template.HTML(renderedMessage)
|
|
}
|
|
|
|
// Match text that is between back ticks.
|
|
var codeMatcher = regexp.MustCompile("`([^`]+)`")
|
|
|
|
// RenderCodeBlock renders "`…`" as highlighted "<code>" block.
|
|
// Intended for issue and PR titles, these containers should have styles for "<code>" elements
|
|
func RenderCodeBlock(htmlEscapedTextToRender template.HTML) template.HTML {
|
|
htmlWithCodeTags := codeMatcher.ReplaceAllString(string(htmlEscapedTextToRender), "<code>$1</code>") // replace with HTML <code> tags
|
|
return template.HTML(htmlWithCodeTags)
|
|
}
|
|
|
|
// RenderIssueTitle renders issue/pull title with defined post processors
|
|
func RenderIssueTitle(ctx context.Context, text, urlPrefix string, metas map[string]string) template.HTML {
|
|
renderedText, err := markup.RenderIssueTitle(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: urlPrefix,
|
|
Metas: metas,
|
|
}, template.HTMLEscapeString(text))
|
|
if err != nil {
|
|
log.Error("RenderIssueTitle: %v", err)
|
|
return template.HTML("")
|
|
}
|
|
return template.HTML(renderedText)
|
|
}
|
|
|
|
// RenderLabel renders a label
|
|
func RenderLabel(ctx context.Context, label *issues_model.Label) template.HTML {
|
|
labelScope := label.ExclusiveScope()
|
|
|
|
textColor := "#111"
|
|
r, g, b := util.HexToRBGColor(label.Color)
|
|
// Determine if label text should be light or dark to be readable on background color
|
|
if util.UseLightTextOnBackground(r, g, b) {
|
|
textColor = "#eee"
|
|
}
|
|
|
|
description := emoji.ReplaceAliases(template.HTMLEscapeString(label.Description))
|
|
|
|
if labelScope == "" {
|
|
// Regular label
|
|
s := fmt.Sprintf("<div class='ui label' style='color: %s !important; background-color: %s !important' title='%s'>%s</div>",
|
|
textColor, label.Color, description, RenderEmoji(ctx, label.Name))
|
|
return template.HTML(s)
|
|
}
|
|
|
|
// Scoped label
|
|
scopeText := RenderEmoji(ctx, labelScope)
|
|
itemText := RenderEmoji(ctx, label.Name[len(labelScope)+1:])
|
|
|
|
// Make scope and item background colors slightly darker and lighter respectively.
|
|
// More contrast needed with higher luminance, empirically tweaked.
|
|
luminance := util.GetLuminance(r, g, b)
|
|
contrast := 0.01 + luminance*0.03
|
|
// Ensure we add the same amount of contrast also near 0 and 1.
|
|
darken := contrast + math.Max(luminance+contrast-1.0, 0.0)
|
|
lighten := contrast + math.Max(contrast-luminance, 0.0)
|
|
// Compute factor to keep RGB values proportional.
|
|
darkenFactor := math.Max(luminance-darken, 0.0) / math.Max(luminance, 1.0/255.0)
|
|
lightenFactor := math.Min(luminance+lighten, 1.0) / math.Max(luminance, 1.0/255.0)
|
|
|
|
scopeBytes := []byte{
|
|
uint8(math.Min(math.Round(r*darkenFactor), 255)),
|
|
uint8(math.Min(math.Round(g*darkenFactor), 255)),
|
|
uint8(math.Min(math.Round(b*darkenFactor), 255)),
|
|
}
|
|
itemBytes := []byte{
|
|
uint8(math.Min(math.Round(r*lightenFactor), 255)),
|
|
uint8(math.Min(math.Round(g*lightenFactor), 255)),
|
|
uint8(math.Min(math.Round(b*lightenFactor), 255)),
|
|
}
|
|
|
|
itemColor := "#" + hex.EncodeToString(itemBytes)
|
|
scopeColor := "#" + hex.EncodeToString(scopeBytes)
|
|
|
|
s := fmt.Sprintf("<span class='ui label scope-parent' title='%s'>"+
|
|
"<div class='ui label scope-left' style='color: %s !important; background-color: %s !important'>%s</div>"+
|
|
"<div class='ui label scope-right' style='color: %s !important; background-color: %s !important''>%s</div>"+
|
|
"</span>",
|
|
description,
|
|
textColor, scopeColor, scopeText,
|
|
textColor, itemColor, itemText)
|
|
return template.HTML(s)
|
|
}
|
|
|
|
// RenderEmoji renders html text with emoji post processors
|
|
func RenderEmoji(ctx context.Context, text string) template.HTML {
|
|
renderedText, err := markup.RenderEmoji(&markup.RenderContext{Ctx: ctx},
|
|
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/assets/img/emoji/%s.png"></img>`, reaction, setting.StaticURLPrefix, url.PathEscape(reaction)))
|
|
}
|
|
|
|
// RenderNote renders the contents of a git-notes file as a commit message.
|
|
func RenderNote(ctx context.Context, msg, urlPrefix string, metas map[string]string) template.HTML {
|
|
cleanMsg := template.HTMLEscapeString(msg)
|
|
fullMessage, err := markup.RenderCommitMessage(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: urlPrefix,
|
|
Metas: metas,
|
|
}, cleanMsg)
|
|
if err != nil {
|
|
log.Error("RenderNote: %v", err)
|
|
return ""
|
|
}
|
|
return template.HTML(fullMessage)
|
|
}
|
|
|
|
func RenderMarkdownToHtml(ctx context.Context, input string) template.HTML { //nolint:revive
|
|
output, err := markdown.RenderString(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
URLPrefix: setting.AppSubURL,
|
|
}, input)
|
|
if err != nil {
|
|
log.Error("RenderString: %v", err)
|
|
}
|
|
return template.HTML(output)
|
|
}
|
|
|
|
func RenderLabels(ctx context.Context, labels []*issues_model.Label, repoLink string) template.HTML {
|
|
htmlCode := `<span class="labels-list">`
|
|
for _, label := range labels {
|
|
// Protect against nil value in labels - shouldn't happen but would cause a panic if so
|
|
if label == nil {
|
|
continue
|
|
}
|
|
htmlCode += fmt.Sprintf("<a href='%s/issues?labels=%d'>%s</a> ",
|
|
repoLink, label.ID, RenderLabel(ctx, label))
|
|
}
|
|
htmlCode += "</span>"
|
|
return template.HTML(htmlCode)
|
|
}
|