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ID0adba4532cb15fe139378c574473fae888cded09
AuthorRunxi Yu<me@runxiyu.org>
Author dateTue, 11 Feb 2025 12:36:50 +0800
CommitterRunxi Yu<me@runxiyu.org>
Committer dateTue, 11 Feb 2025 12:36:50 +0800
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repo_raw: Serve raw files
package main

import (
	"net/http"
	"path"
	"strings"

	"github.com/go-git/go-git/v5/plumbing"
	"github.com/go-git/go-git/v5/plumbing/object"
)

func handle_repo_raw(w http.ResponseWriter, r *http.Request) {
	data := make(map[string]any)
	// TODO: Sanitize path values
	raw_path_spec := r.PathValue("rest")
	ref_name, group_name, repo_name, path_spec := r.PathValue("ref"), r.PathValue("group_name"), r.PathValue("repo_name"), strings.TrimSuffix(raw_path_spec, "/")
	data["ref"], data["group_name"], data["repo_name"], data["path_spec"] = ref_name, group_name, repo_name, path_spec
	repo, err := open_git_repo(group_name, repo_name)
	if err != nil {
		_, _ = w.Write([]byte("Error opening repo: " + err.Error()))
		return
	}
	ref, err := repo.Reference(plumbing.NewBranchReferenceName(ref_name), true)
	if err != nil {
		_, _ = w.Write([]byte("Error getting repo reference: " + err.Error()))
		return
	}
	ref_hash := ref.Hash()
	commit_object, err := repo.CommitObject(ref_hash)
	if err != nil {
		_, _ = w.Write([]byte("Error getting commit object: " + err.Error()))
		return
	}
	tree, err := commit_object.Tree()
	if err != nil {
		_, _ = w.Write([]byte("Error getting file tree: " + err.Error()))
		return
	}

	var target *object.Tree
	if path_spec == "" {
		target = tree
	} else {
		target, err = tree.Tree(path_spec)
		if err != nil {
			file, err := tree.File(path_spec)
			if err != nil {
				_, _ = w.Write([]byte("Error retrieving path: " + err.Error()))
				return
			}
			file_contents, err := file.Contents()
			if err != nil {
				_, _ = w.Write([]byte("Error reading file: " + err.Error()))
				return
			}
			_, _ = w.Write([]byte(file_contents))
			return
		}
	}

	if len(raw_path_spec) != 0 && raw_path_spec[len(raw_path_spec)-1] != '/' {
		http.Redirect(w, r, path.Base(path_spec)+"/", http.StatusSeeOther)
		return
	}

	data["files"] = build_display_git_tree(target)

	err = templates.ExecuteTemplate(w, "repo_raw_dir", data)
	if err != nil {
		_, _ = w.Write([]byte("Error rendering template: " + err.Error()))
		return
	}
}
package main

import (
	"flag"
	"net"
	"net/http"

	"go.lindenii.runxiyu.org/lindenii-common/clog"
)

func main() {
	config_path := flag.String(
		"config",
		"/etc/lindenii/forge.scfg",
		"path to configuration file",
	)
	flag.Parse()

	err := load_config(*config_path)
	if err != nil {
		clog.Fatal(1, "Loading configuration: "+err.Error())
	}

	err = load_templates()
	if err != nil {
		clog.Fatal(1, "Loading templates: "+err.Error())
	}

	err = serve_static()
	if err != nil {
		clog.Fatal(1, "Serving static: "+err.Error())
	}

	serve_source()

	http.HandleFunc("/{$}", handle_index)
	http.HandleFunc("/g/{group_name}/repos/{$}", handle_group_repos)
	http.HandleFunc("/g/{group_name}/repos/{repo_name}/{$}", handle_repo_index)
	http.HandleFunc("/g/{group_name}/repos/{repo_name}/tree/{ref}/{rest...}", handle_repo_tree)
	http.HandleFunc("/g/{group_name}/repos/{repo_name}/raw/{ref}/{rest...}", handle_repo_raw)

	listener, err := net.Listen(config.HTTP.Net, config.HTTP.Addr)
	if err != nil {
		clog.Fatal(1, "Listening: "+err.Error())
	}

	err = http.Serve(listener, nil)
	if err != nil {
		clog.Fatal(1, "Serving: "+err.Error())
	}
}
{{- define "repo_raw_dir" -}}
<!DOCTYPE html>
<html lang="en">
	<head>
		{{ template "head_common" . }}
		<title>{{ .group_name }}/repos/{{ .repo_name }}/{{ .path_spec }}{{ if ne .path_spec "" }}/{{ end }} &ndash; Lindenii Forge</title>
	</head>
	<body class="repo-tree-dir">
		<div class="padding-wrapper">
			<table id="file-tree">
				<thead>
					<tr class="title-row">
						<th colspan="3">
							(Raw) /{{ .path_spec }}{{ if ne .path_spec "" }}/{{ end }} on {{ .ref }}
						</th>
					</tr>
					<tr>
						<th scope="col">Mode</th>
						<th scope="col">Name</th>
						<th scope="col">Size</th>
					</tr>
				</thead>
				<tbody>
					{{- $path_spec := .path_spec }}
					{{- range .files }}
						<tr>
							<td class="file-mode">{{ .Mode }}</td>
							<td class="file-name"><a href="{{ .Name }}{{ if not .Is_file }}/{{ end }}">{{ .Name }}</a>{{ if not .Is_file }}/{{ end }}</td>
							<td class="file-size">{{ .Size }}</td>
						</tr>
					{{- end }}
				</tbody>
			</table>
		</div>
		<div class="padding-wrapper">
			<div id="refs">
			</div>
		</div>
		<footer>
			{{ template "footer" . }}
		</footer>
	</body>
</html>
{{- end -}}