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// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
package main
import (
"encoding/hex"
"errors"
"fmt"
"io"
"net"
"net/http"
"strings"
"git.sr.ht/~sircmpwn/go-bare"
)
type commitDisplay struct {
Hash string
Author string
Email string
Date string
Message string
}
// httpHandleRepoIndex provides the front page of a repo using git2d.
func httpHandleRepoIndex(w http.ResponseWriter, req *http.Request, params map[string]any) {
repoName := params["repo_name"].(string)
groupPath := params["group_path"].([]string)
_, repoPath, _, _, _, _, _ := getRepoInfo(req.Context(), groupPath, repoName, "") // TODO: Don't use getRepoInfo
var notes []string
if strings.Contains(repoName, "\n") || sliceContainsNewlines(groupPath) {
notes = append(notes, "Path contains newlines; HTTP Git access impossible")
}
conn, err := net.Dial("unix", config.Git.Socket)
if err != nil {
errorPage500(w, params, "git2d connection failed: "+err.Error())
return
}
defer conn.Close()
writer := bare.NewWriter(conn)
if err := writer.WriteData([]byte(repoPath)); err != nil {
errorPage500(w, params, "sending repo path failed: "+err.Error())
return
}
reader := bare.NewReader(conn)
status, err := reader.ReadUint()
if err != nil {
errorPage500(w, params, "reading status failed: "+err.Error())
return
}
if status != 0 {
errorPage500(w, params, fmt.Sprintf("git2d error: %d", status))
return
}
// README
readmeRaw, err := reader.ReadData()
if err != nil {
readmeRaw = nil
}
readmeFilename, readmeRendered := renderReadme(readmeRaw, "README.md")
// Commits
var commits []commitDisplay
for {
id, err := reader.ReadData()
if err != nil {
if errors.Is(err, io.EOF) {
break
}
errorPage500(w, params, "error reading commit ID: "+err.Error())
return
}
title, _ := reader.ReadData()
authorName, _ := reader.ReadData()
authorEmail, _ := reader.ReadData()
authorDate, _ := reader.ReadData()
commits = append(commits, commitDisplay{
Hash: hex.EncodeToString(id),
Author: string(authorName),
Email: string(authorEmail),
Date: string(authorDate),
Message: string(title),
})
}
params["commits"] = commits
params["readme_filename"] = readmeFilename
params["readme"] = readmeRendered
params["notes"] = notes
renderTemplate(w, "repo_index", params)
// TODO: Caching
}
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