ugit/internal/http/http.go

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package http
import (
"fmt"
"net/http"
"net/url"
"strings"
"go.jolheiser.com/ugit/assets"
"go.jolheiser.com/ugit/internal/git"
"go.jolheiser.com/ugit/internal/html"
"go.jolheiser.com/ugit/internal/http/httperr"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
)
// Server is the container struct for the HTTP server
type Server struct {
port int
Mux *chi.Mux
}
// ListenAndServe simply wraps http.ListenAndServe to contain the functionality here
func (s Server) ListenAndServe() error {
return http.ListenAndServe(fmt.Sprintf("localhost:%d", s.port), s.Mux)
}
// Settings is the configuration for the HTTP server
type Settings struct {
Title string
Description string
CloneURL string
Port int
RepoDir string
Profile Profile
ShowPrivate bool
}
// Profile is the index profile
type Profile struct {
Username string
Email string
Links []Link
}
// Link is a profile link
type Link struct {
Name string
URL string
}
func (s Settings) goGet(repo string) string {
u, _ := url.Parse(s.CloneURL)
return fmt.Sprintf(`<!DOCTYPE html><title>%[1]s</title><meta name="go-import" content="%[2]s/%[1]s git %[3]s/%[1]s.git"><meta name="go-source" content="%[2]s/%[1]s _ %[3]s/%[1]s/tree/main{/dir}/{file}#L{line}">`, repo, u.Hostname(), s.CloneURL)
}
// New returns a new HTTP server
func New(settings Settings) Server {
mux := chi.NewMux()
mux.Use(middleware.Logger)
mux.Use(middleware.Recoverer)
rh := repoHandler{s: settings}
mux.Route("/", func(r chi.Router) {
r.Get("/", httperr.Handler(rh.index))
r.Route("/{repo}", func(r chi.Router) {
r.Use(rh.repoMiddleware)
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
if r.URL.Query().Has("go-get") {
w.Write([]byte(settings.goGet(repo.Name())))
return
}
if strings.HasSuffix(chi.URLParam(r, "repo"), ".git") {
http.Redirect(w, r, "/"+repo.Name(), http.StatusFound)
return
}
rh.repoTree("", "").ServeHTTP(w, r)
})
r.Get("/tree/{ref}/*", func(w http.ResponseWriter, r *http.Request) {
rh.repoTree(chi.URLParam(r, "ref"), chi.URLParam(r, "*")).ServeHTTP(w, r)
})
r.Get("/refs", httperr.Handler(rh.repoRefs))
r.Get("/log/{ref}", httperr.Handler(rh.repoLog))
r.Get("/commit/{commit}", httperr.Handler(rh.repoCommit))
r.Get("/commit/{commit}.patch", httperr.Handler(rh.repoPatch))
r.Get("/search", httperr.Handler(rh.repoSearch))
// Protocol
r.Get("/info/refs", httperr.Handler(rh.infoRefs))
r.Post("/git-upload-pack", httperr.Handler(rh.uploadPack))
})
})
mux.Route("/_", func(r chi.Router) {
r.Get("/favicon.svg", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "image/svg+xml")
w.Write(assets.LogoIcon)
})
r.Get("/tailwind.css", html.TailwindHandler)
})
return Server{Mux: mux, port: settings.Port}
}
type repoHandler struct {
s Settings
}
func (rh repoHandler) baseContext() html.BaseContext {
return html.BaseContext{
Title: rh.s.Title,
Description: rh.s.Description,
}
}
func (rh repoHandler) repoHeaderContext(repo *git.Repo, r *http.Request) html.RepoHeaderComponentContext {
ref := chi.URLParam(r, "ref")
if ref == "" {
ref, _ = repo.DefaultBranch()
}
return html.RepoHeaderComponentContext{
Description: repo.Meta.Description,
Name: chi.URLParam(r, "repo"),
Ref: ref,
CloneURL: rh.s.CloneURL,
Tags: repo.Meta.Tags,
}
}
func (rh repoHandler) repoBreadcrumbContext(repo *git.Repo, r *http.Request, path string) html.RepoBreadcrumbComponentContext {
ref := chi.URLParam(r, "ref")
if ref == "" {
ref, _ = repo.DefaultBranch()
}
return html.RepoBreadcrumbComponentContext{
Repo: chi.URLParam(r, "repo"),
Ref: ref,
Path: path,
}
}
// NoopLogger is a no-op logging middleware
func NoopLogger(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
next.ServeHTTP(w, r)
})
}