routes/handler.go (view raw)
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import (
"io/fs"
"log"
"net/http"
"path"
"path/filepath"
"strings"
"github.com/dimfeld/httptreemux/v5"
"github.com/fsnotify/fsnotify"
"alin.ovh/elgit/config"
)
// Checks for gitprotocol-http(5) specific smells; if found, passes
// the request on to the git http service, else render the web frontend.
func (d *deps) Multiplex(w http.ResponseWriter, r *http.Request, params map[string]string) {
rest := params["rest"]
switch params["name"] {
case "info", "git-upload-pack":
rest = path.Join(params["name"], params["rest"])
params["name"] = params["category"]
params["category"] = ""
}
if d.isNotAllowed(path.Join(params["category"], params["name"])) {
d.Write404(w)
return
}
if r.URL.RawQuery == "service=git-receive-pack" {
w.WriteHeader(http.StatusBadRequest)
_, err := w.Write([]byte("no pushing allowed!"))
if err != nil {
log.Println(err)
d.Write500(w)
return
}
return
}
if rest == "info/refs" &&
r.URL.RawQuery == "service=git-upload-pack" &&
r.Method == "GET" {
d.InfoRefs(w, r, params)
} else if rest == "git-upload-pack" && r.Method == "POST" {
d.UploadPack(w, r, params)
} else if r.Method == "GET" {
if fixed, found := strings.CutSuffix(r.URL.Path, "/"); found {
http.Redirect(w, r, fixed, http.StatusPermanentRedirect)
} else {
d.RepoIndex(w, r, params)
}
}
}
func Handlers(c *config.Config, staticFiles fs.FS) *httptreemux.TreeMux {
mux := httptreemux.New()
plist := filepath.Join(c.Repo.Root, "projects.list")
projects, err := ReadProjectsList(plist)
if err != nil {
log.Fatal(err)
}
d := deps{
c,
projects,
}
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Fatal(err)
}
err = watcher.Add(plist)
if err != nil {
log.Fatal(err)
}
go func() {
for {
select {
case event, ok := <-watcher.Events:
if !ok {
continue
}
if event.Op.Has(fsnotify.Write) {
d.projects, err = ReadProjectsList(plist)
if err != nil {
log.Println(err)
}
}
case err, ok := <-watcher.Errors:
if !ok {
continue
}
log.Println("error:", err)
}
}
}()
mux.NotFoundHandler = func(w http.ResponseWriter, r *http.Request) {
d.Write404(w)
}
mux.RedirectTrailingSlash = false
mux.GET("/", d.Index)
mux.NewGroup("/static/").
UsingContext().
Handler("GET", "/*", http.FileServerFS(staticFiles))
mux.GET("/:name/tree/:ref/*rest", d.RepoTree)
mux.GET("/:name/blob/:ref/*rest", d.FileContent)
mux.GET("/:name/tree/:ref/", d.RepoTree)
mux.GET("/:name/blob/:ref/", d.FileContent)
mux.GET("/:name/log/:ref", d.Log)
mux.GET("/:name/archive/:file", d.Archive)
mux.GET("/:name/commit/:ref", d.Diff)
mux.GET("/:name/commit/:ref/*file", d.FileDiff)
mux.GET("/:name/refs/", d.Refs)
mux.GET("/:name", d.Multiplex)
mux.POST("/:name", d.Multiplex)
mux.GET("/:name/", d.Multiplex)
mux.POST("/:name/", d.Multiplex)
mux.GET("/:name/*rest", d.Multiplex)
mux.POST("/:name/*rest", d.Multiplex)
mux.GET("/:category/:name/tree/:ref/*rest", d.RepoTree)
mux.GET("/:category/:name/blob/:ref/*rest", d.FileContent)
mux.GET("/:category/:name/tree/:ref/", d.RepoTree)
mux.GET("/:category/:name/blob/:ref/", d.FileContent)
mux.GET("/:category/:name/log/:ref", d.Log)
mux.GET("/:category/:name/archive/:file", d.Archive)
mux.GET("/:category/:name/commit/:ref", d.Diff)
mux.GET("/:category/:name/commit/:ref/*file", d.FileDiff)
mux.GET("/:category/:name/refs/", d.Refs)
mux.GET("/:category/:name", d.Multiplex)
mux.POST("/:category/:name", d.Multiplex)
mux.GET("/:category/:name/", d.Multiplex)
mux.POST("/:category/:name/", d.Multiplex)
mux.GET("/:category/:name/*rest", d.Multiplex)
mux.POST("/:category/:name/*rest", d.Multiplex)
return mux
}
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