1package routes
 2
 3import (
 4	"log"
 5	"net/http"
 6	"path/filepath"
 7
 8	"github.com/alexedwards/flow"
 9	"github.com/sosedoff/gitkit"
10	"icyphox.sh/legit/config"
11)
12
13type depsWrapper struct {
14	actualDeps deps
15	gitsvc     *gitkit.Server
16}
17
18// Checks for gitprotocol-http(5) specific smells; if found, passes
19// the request on to the git http service, else render the web frontend.
20func (dw *depsWrapper) Multiplex(w http.ResponseWriter, r *http.Request) {
21	path := flow.Param(r.Context(), "...")
22	name := flow.Param(r.Context(), "name")
23	name = filepath.Clean(name)
24
25	if r.URL.RawQuery == "service=git-receive-pack" {
26		w.WriteHeader(http.StatusBadRequest)
27		w.Write([]byte("no pushing allowed!"))
28		return
29	}
30
31	if path == "info/refs" && r.URL.RawQuery == "service=git-upload-pack" && r.Method == "GET" {
32		dw.gitsvc.ServeHTTP(w, r)
33	} else if path == "git-upload-pack" && r.Method == "POST" {
34		dw.gitsvc.ServeHTTP(w, r)
35	} else if r.Method == "GET" {
36		dw.actualDeps.RepoIndex(w, r)
37	}
38}
39
40func Handlers(c *config.Config) *flow.Mux {
41	mux := flow.New()
42	d := deps{c}
43
44	gitsvc := gitkit.New(gitkit.Config{
45		Dir:        c.Repo.ScanPath,
46		AutoCreate: false,
47	})
48	if err := gitsvc.Setup(); err != nil {
49		log.Fatalf("git server: %s", err)
50	}
51
52	dw := depsWrapper{actualDeps: d, gitsvc: gitsvc}
53
54	mux.NotFound = http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
55		d.Write404(w)
56	})
57
58	mux.HandleFunc("/", d.Index, "GET")
59	mux.HandleFunc("/static/:file", d.ServeStatic, "GET")
60	mux.HandleFunc("/:name", dw.Multiplex, "GET", "POST")
61	mux.HandleFunc("/:name/tree/:ref/...", d.RepoTree, "GET")
62	mux.HandleFunc("/:name/blob/:ref/...", d.FileContent, "GET")
63	mux.HandleFunc("/:name/log/:ref", d.Log, "GET")
64	mux.HandleFunc("/:name/commit/:ref", d.Diff, "GET")
65	mux.HandleFunc("/:name/refs", d.Refs, "GET")
66	mux.HandleFunc("/:name/...", dw.Multiplex, "GET", "POST")
67
68	return mux
69}