1package routes
 2
 3import (
 4	"log"
 5	"net/http"
 6	"path/filepath"
 7	"regexp"
 8
 9	"github.com/alexedwards/flow"
10	"github.com/sosedoff/gitkit"
11	"icyphox.sh/legit/config"
12)
13
14type depsWrapper struct {
15	actualDeps deps
16	gitsvc     *gitkit.Server
17}
18
19// Checks for gitprotocol-http(5) specific query params; if found, passes
20// the request on to the git http service, else render the web frontend.
21func (dw *depsWrapper) Multiplex(w http.ResponseWriter, r *http.Request) {
22	path := flow.Param(r.Context(), "...")
23	name := flow.Param(r.Context(), "name")
24	name = filepath.Clean(name)
25	gitCommand := regexp.MustCompile(`git-(upload|receive)-pack`)
26
27	if path == "info/refs" && gitCommand.MatchString(r.URL.RawQuery) && r.Method == "GET" {
28		dw.gitsvc.ServeHTTP(w, r)
29	} else if gitCommand.MatchString(path) && r.Method == "POST" {
30		dw.gitsvc.ServeHTTP(w, r)
31	} else if r.Method == "GET" {
32		log.Println("index:", r.URL.String())
33		dw.actualDeps.RepoIndex(w, r)
34	}
35}
36
37func Handlers(c *config.Config) *flow.Mux {
38	mux := flow.New()
39	d := deps{c}
40
41	gitsvc := gitkit.New(gitkit.Config{
42		Dir:        c.Repo.ScanPath,
43		AutoCreate: false,
44	})
45	if err := gitsvc.Setup(); err != nil {
46		log.Fatalf("git server: %s", err)
47	}
48
49	dw := depsWrapper{actualDeps: d, gitsvc: gitsvc}
50
51	mux.NotFound = http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
52		d.Write404(w)
53	})
54
55	mux.HandleFunc("/", d.Index, "GET")
56	mux.HandleFunc("/:name", dw.Multiplex, "GET", "POST")
57	mux.HandleFunc("/:name/tree/:ref/...", d.RepoTree, "GET")
58	mux.HandleFunc("/:name/blob/:ref/...", d.FileContent, "GET")
59	mux.HandleFunc("/:name/log/:ref", d.Log, "GET")
60	mux.HandleFunc("/:name/commit/:ref", d.Diff, "GET")
61	mux.HandleFunc("/:name/refs", d.Refs, "GET")
62	mux.HandleFunc("/:name/...", dw.Multiplex, "GET", "POST")
63
64	return mux
65}