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				https://github.com/go-gitea/gitea
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	Since `modules/context` has to depend on `models` and many other packages, it should be moved from `modules/context` to `services/context` according to design principles. There is no logic code change on this PR, only move packages. - Move `code.gitea.io/gitea/modules/context` to `code.gitea.io/gitea/services/context` - Move `code.gitea.io/gitea/modules/contexttest` to `code.gitea.io/gitea/services/contexttest` because of depending on context - Move `code.gitea.io/gitea/modules/upload` to `code.gitea.io/gitea/services/context/upload` because of depending on context
		
			
				
	
	
		
			78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repo
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import (
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	"bytes"
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	"io"
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	"net/http"
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	"path"
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	"code.gitea.io/gitea/modules/charset"
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	"code.gitea.io/gitea/modules/git"
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	"code.gitea.io/gitea/modules/markup"
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	"code.gitea.io/gitea/modules/typesniffer"
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	"code.gitea.io/gitea/modules/util"
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	"code.gitea.io/gitea/services/context"
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)
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// RenderFile renders a file by repos path
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func RenderFile(ctx *context.Context) {
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	blob, err := ctx.Repo.Commit.GetBlobByPath(ctx.Repo.TreePath)
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	if err != nil {
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		if git.IsErrNotExist(err) {
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			ctx.NotFound("GetBlobByPath", err)
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		} else {
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			ctx.ServerError("GetBlobByPath", err)
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		}
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		return
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	}
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	dataRc, err := blob.DataAsync()
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	if err != nil {
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		ctx.ServerError("DataAsync", err)
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		return
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	}
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	defer dataRc.Close()
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	buf := make([]byte, 1024)
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	n, _ := util.ReadAtMost(dataRc, buf)
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	buf = buf[:n]
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	st := typesniffer.DetectContentType(buf)
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	isTextFile := st.IsText()
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	rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc), charset.ConvertOpts{})
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	if markupType := markup.Type(blob.Name()); markupType == "" {
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		if isTextFile {
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			_, err = io.Copy(ctx.Resp, rd)
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			if err != nil {
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				ctx.ServerError("Copy", err)
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			}
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			return
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		}
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		ctx.Error(http.StatusInternalServerError, "Unsupported file type render")
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		return
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	}
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	ctx.Resp.Header().Add("Content-Security-Policy", "frame-src 'self'; sandbox allow-scripts")
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	err = markup.Render(&markup.RenderContext{
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		Ctx:          ctx,
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		RelativePath: ctx.Repo.TreePath,
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		Links: markup.Links{
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			Base:       ctx.Repo.RepoLink,
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			BranchPath: ctx.Repo.BranchNameSubURL(),
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			TreePath:   path.Dir(ctx.Repo.TreePath),
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		},
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		Metas:            ctx.Repo.Repository.ComposeDocumentMetas(ctx),
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		GitRepo:          ctx.Repo.GitRepo,
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		InStandalonePage: true,
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	}, rd, ctx.Resp)
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	if err != nil {
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		ctx.ServerError("Render", err)
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		return
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	}
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}
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