mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-22 23:05:37 +01:00
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package repo
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"net/http"
|
|
"path"
|
|
|
|
"code.gitea.io/gitea/modules/charset"
|
|
"code.gitea.io/gitea/modules/git"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/markup"
|
|
"code.gitea.io/gitea/modules/typesniffer"
|
|
"code.gitea.io/gitea/modules/util"
|
|
"code.gitea.io/gitea/services/context"
|
|
)
|
|
|
|
// RenderFile renders a file by repos path
|
|
func RenderFile(ctx *context.Context) {
|
|
blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreePath)
|
|
if err != nil {
|
|
if git.IsErrNotExist(err) {
|
|
ctx.NotFound("GetBlobByPath", err)
|
|
} else {
|
|
ctx.ServerError("GetBlobByPath", err)
|
|
}
|
|
return
|
|
}
|
|
|
|
dataRc, err := blob.DataAsync()
|
|
if err != nil {
|
|
ctx.ServerError("DataAsync", err)
|
|
return
|
|
}
|
|
defer dataRc.Close()
|
|
|
|
buf := make([]byte, 1024)
|
|
n, _ := util.ReadAtMost(dataRc, buf)
|
|
buf = buf[:n]
|
|
|
|
st := typesniffer.DetectContentType(buf)
|
|
isTextFile := st.IsText()
|
|
|
|
rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc), charset.ConvertOpts{})
|
|
ctx.Resp.Header().Add("Content-Security-Policy", "frame-src 'self'; sandbox allow-scripts")
|
|
|
|
if markupType := markup.DetectMarkupTypeByFileName(blob.Name()); markupType == "" {
|
|
if isTextFile {
|
|
_, _ = io.Copy(ctx.Resp, rd)
|
|
} else {
|
|
http.Error(ctx.Resp, "Unsupported file type render", http.StatusInternalServerError)
|
|
}
|
|
return
|
|
}
|
|
|
|
err = markup.Render(&markup.RenderContext{
|
|
Ctx: ctx,
|
|
RelativePath: ctx.Repo.TreePath,
|
|
Links: markup.Links{
|
|
Base: ctx.Repo.RepoLink,
|
|
BranchPath: ctx.Repo.BranchNameSubURL(),
|
|
TreePath: path.Dir(ctx.Repo.TreePath),
|
|
},
|
|
Metas: ctx.Repo.Repository.ComposeDocumentMetas(ctx),
|
|
GitRepo: ctx.Repo.GitRepo,
|
|
InStandalonePage: true,
|
|
}, rd, ctx.Resp)
|
|
if err != nil {
|
|
log.Error("Failed to render file %q: %v", ctx.Repo.TreePath, err)
|
|
http.Error(ctx.Resp, "Failed to render file", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
}
|