108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"flag"
|
||
|
|
"fmt"
|
||
|
|
"html/template"
|
||
|
|
"log"
|
||
|
|
"net/http"
|
||
|
|
"os"
|
||
|
|
|
||
|
|
_ "embed"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Repo struct {
|
||
|
|
ImportPath string // like example.com/package/code
|
||
|
|
ShortPath string // like package/code
|
||
|
|
|
||
|
|
RepoType string // like git or svn
|
||
|
|
RepoPath string // like https://git.example.com/package/code.git or git@git.example.com:package/code.git
|
||
|
|
}
|
||
|
|
|
||
|
|
type Config struct {
|
||
|
|
GitServerPrefix string // Like https://github.com or https://git.example.com (without ending slash)
|
||
|
|
|
||
|
|
// go-source tag strings. Example:
|
||
|
|
// GoSourceFile: https://git.example.com/{/path}/src/branch/master{/dir}
|
||
|
|
// GoSourceLine: https://git.example.com/{/path}/src/branch/master{/dir}/{file}#L{line}
|
||
|
|
GoSourceFile, GoSourceLine string
|
||
|
|
|
||
|
|
Repos map[string]*Repo // mapped by ShortPath, like package/code
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:embed template.html
|
||
|
|
var httpTemplate string
|
||
|
|
|
||
|
|
var (
|
||
|
|
ConfigFile, TemplateFile string
|
||
|
|
ListenAddress string
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
flag.StringVar(&ConfigFile, "config", "config.json", "Config file")
|
||
|
|
flag.StringVar(&TemplateFile, "template", "template.html", "template HTML file")
|
||
|
|
flag.StringVar(&ListenAddress, "listen", "0.0.0.0:32148", "listen address")
|
||
|
|
}
|
||
|
|
|
||
|
|
type Server struct {
|
||
|
|
config Config
|
||
|
|
template *template.Template
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *Server) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
|
||
|
|
log.Print("request: ", req.URL.Path)
|
||
|
|
id := req.URL.Path[1:]
|
||
|
|
if repo, ok := s.config.Repos[id]; ok {
|
||
|
|
err := s.template.Execute(resp, repo)
|
||
|
|
if err != nil {
|
||
|
|
resp.WriteHeader(500)
|
||
|
|
resp.Write([]byte("Internal Server Error\n\n"))
|
||
|
|
resp.Write([]byte(fmt.Sprintf("Error: Executing Template: %s, id=%s\n\nRepo=%v", err.Error(), id, repo)))
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
resp.WriteHeader(404)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var c Config
|
||
|
|
|
||
|
|
flag.Parse()
|
||
|
|
|
||
|
|
file, err := os.Open(ConfigFile)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Fprint(os.Stderr, "cannot open config file: ", err)
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
|
||
|
|
dec := json.NewDecoder(file)
|
||
|
|
err = dec.Decode(&c)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Fprint(os.Stderr, "error parsing config file:", err)
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
|
||
|
|
tempbyte, err := os.ReadFile(TemplateFile)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Fprint(os.Stderr, "error reading template file:", err)
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
|
||
|
|
s := &Server{config: c, template: template.New("")}
|
||
|
|
s.template.Funcs(template.FuncMap{
|
||
|
|
"config": func() Config {
|
||
|
|
return c
|
||
|
|
},
|
||
|
|
})
|
||
|
|
_, err = s.template.Parse(string(tempbyte))
|
||
|
|
if err != nil {
|
||
|
|
fmt.Fprint(os.Stderr, "error parsing template file:", err)
|
||
|
|
os.Exit(1)
|
||
|
|
}
|
||
|
|
|
||
|
|
log.Print("listening on ", ListenAddress)
|
||
|
|
http.ListenAndServe(ListenAddress, s)
|
||
|
|
|
||
|
|
}
|