mirror of
https://github.com/go-gitea/gitea
synced 2024-12-05 03:38:27 +01:00
94 lines
3.7 KiB
Go
94 lines
3.7 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
|
|
// Copyright 2023 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package common
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"path"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/httplib"
|
|
"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"
|
|
"code.gitea.io/gitea/services/context"
|
|
)
|
|
|
|
// RenderMarkup renders markup text for the /markup and /markdown endpoints
|
|
func RenderMarkup(ctx *context.Base, repo *context.Repository, mode, text, urlPathContext, filePath string) {
|
|
// urlPathContext format is "/subpath/{user}/{repo}/src/{branch, commit, tag}/{identifier/path}/{file/dir}"
|
|
// filePath is the path of the file to render if the end user is trying to preview a repo file (mode == "file")
|
|
// filePath will be used as RenderContext.RelativePath
|
|
|
|
// for example, when previewing file "/gitea/owner/repo/src/branch/features/feat-123/doc/CHANGE.md", then filePath is "doc/CHANGE.md"
|
|
// and the urlPathContext is "/gitea/owner/repo/src/branch/features/feat-123/doc"
|
|
|
|
renderCtx := &markup.RenderContext{
|
|
Ctx: ctx,
|
|
Links: markup.Links{AbsolutePrefix: true},
|
|
MarkupType: markdown.MarkupName,
|
|
}
|
|
if urlPathContext != "" {
|
|
renderCtx.Links.Base = fmt.Sprintf("%s%s", httplib.GuessCurrentHostURL(ctx), urlPathContext)
|
|
}
|
|
|
|
if mode == "" || mode == "markdown" {
|
|
// raw markdown doesn't need any special handling
|
|
if err := markdown.RenderRaw(renderCtx, strings.NewReader(text), ctx.Resp); err != nil {
|
|
ctx.Error(http.StatusInternalServerError, err.Error())
|
|
}
|
|
return
|
|
}
|
|
switch mode {
|
|
case "gfm": // legacy mode, do nothing
|
|
case "comment":
|
|
renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "comment"}
|
|
case "wiki":
|
|
renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "document", "markupContentMode": "wiki"}
|
|
case "file":
|
|
// render the repo file content by its extension
|
|
renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "document"}
|
|
renderCtx.MarkupType = ""
|
|
renderCtx.RelativePath = filePath
|
|
renderCtx.InStandalonePage = true
|
|
default:
|
|
ctx.Error(http.StatusUnprocessableEntity, fmt.Sprintf("Unknown mode: %s", mode))
|
|
return
|
|
}
|
|
|
|
fields := strings.SplitN(strings.TrimPrefix(urlPathContext, setting.AppSubURL+"/"), "/", 5)
|
|
if len(fields) == 5 && fields[2] == "src" && (fields[3] == "branch" || fields[3] == "commit" || fields[3] == "tag") {
|
|
// absolute base prefix is something like "https://host/subpath/{user}/{repo}"
|
|
absoluteBasePrefix := fmt.Sprintf("%s%s/%s", httplib.GuessCurrentAppURL(ctx), fields[0], fields[1])
|
|
|
|
fileDir := path.Dir(filePath) // it is "doc" if filePath is "doc/CHANGE.md"
|
|
refPath := strings.Join(fields[3:], "/") // it is "branch/features/feat-12/doc"
|
|
refPath = strings.TrimSuffix(refPath, "/"+fileDir) // now we get the correct branch path: "branch/features/feat-12"
|
|
|
|
renderCtx.Links = markup.Links{AbsolutePrefix: true, Base: absoluteBasePrefix, BranchPath: refPath, TreePath: fileDir}
|
|
}
|
|
|
|
if repo != nil && repo.Repository != nil {
|
|
renderCtx.Repo = repo.Repository
|
|
if mode == "file" {
|
|
renderCtx.Metas = repo.Repository.ComposeDocumentMetas(ctx)
|
|
} else if mode == "wiki" {
|
|
renderCtx.Metas = repo.Repository.ComposeWikiMetas(ctx)
|
|
} else if mode == "comment" {
|
|
renderCtx.Metas = repo.Repository.ComposeMetas(ctx)
|
|
}
|
|
}
|
|
if err := markup.Render(renderCtx, strings.NewReader(text), ctx.Resp); err != nil {
|
|
if errors.Is(err, util.ErrInvalidArgument) {
|
|
ctx.Error(http.StatusUnprocessableEntity, err.Error())
|
|
} else {
|
|
ctx.Error(http.StatusInternalServerError, err.Error())
|
|
}
|
|
return
|
|
}
|
|
}
|