all repos — flounder @ 2e4c18b8bddc9120c9fcac5cdf1f103205abd3b5

A small site builder for the Gemini protocol

http.go (view raw)

  1package main
  2
  3import (
  4	"bytes"
  5	"fmt"
  6	gmi "git.sr.ht/~adnano/go-gemini"
  7	"github.com/gorilla/handlers"
  8	"github.com/gorilla/sessions"
  9	_ "github.com/mattn/go-sqlite3"
 10	"github.com/prometheus/client_golang/prometheus/promhttp"
 11	metrics "github.com/slok/go-http-metrics/metrics/prometheus"
 12	"github.com/slok/go-http-metrics/middleware"
 13	"github.com/slok/go-http-metrics/middleware/std"
 14	"golang.org/x/crypto/bcrypt"
 15	"html/template"
 16	"io"
 17	"io/ioutil"
 18	"log"
 19	"net/http"
 20	"os"
 21	"path"
 22	"path/filepath"
 23	"strings"
 24	"time"
 25)
 26
 27var t *template.Template
 28var SessionStore *sessions.CookieStore
 29
 30func renderDefaultError(w http.ResponseWriter, statusCode int) {
 31	errorMsg := http.StatusText(statusCode)
 32	renderError(w, errorMsg, statusCode)
 33}
 34
 35func renderError(w http.ResponseWriter, errorMsg string, statusCode int) {
 36	data := struct {
 37		PageTitle  string
 38		StatusCode int
 39		ErrorMsg   string
 40	}{"Error!", statusCode, errorMsg}
 41	err := t.ExecuteTemplate(w, "error.html", data)
 42	if err != nil { // Shouldn't happen probably
 43		http.Error(w, errorMsg, statusCode)
 44	}
 45}
 46
 47func rootHandler(w http.ResponseWriter, r *http.Request) {
 48	// serve everything inside static directory
 49	if r.URL.Path != "/" {
 50		fileName := path.Join(c.TemplatesDirectory, "static", filepath.Clean(r.URL.Path))
 51		_, err := os.Stat(fileName)
 52		if err != nil {
 53			renderDefaultError(w, http.StatusNotFound)
 54			return
 55		}
 56		http.ServeFile(w, r, fileName) // TODO better error handling
 57		return
 58	}
 59
 60	user := newGetAuthUser(r)
 61	indexFiles, err := getIndexFiles(user.IsAdmin)
 62	if err != nil {
 63		panic(err)
 64	}
 65	allUsers, err := getActiveUserNames()
 66	if err != nil {
 67		panic(err)
 68	}
 69	data := struct {
 70		Host      string
 71		PageTitle string
 72		Files     []*File
 73		Users     []string
 74		AuthUser  AuthUser
 75	}{c.Host, c.SiteTitle, indexFiles, allUsers, user}
 76	err = t.ExecuteTemplate(w, "index.html", data)
 77	if err != nil {
 78		panic(err)
 79	}
 80}
 81
 82func feedHandler(w http.ResponseWriter, r *http.Request) {
 83	user := newGetAuthUser(r)
 84	feedEntries, feeds, err := getAllGemfeedEntries()
 85	if err != nil {
 86		panic(err)
 87	}
 88	data := struct {
 89		Host        string
 90		PageTitle   string
 91		FeedEntries []FeedEntry
 92		Feeds       []Gemfeed
 93		AuthUser    AuthUser
 94	}{c.Host, c.SiteTitle, feedEntries, feeds, user}
 95	err = t.ExecuteTemplate(w, "feed.html", data)
 96	if err != nil {
 97		panic(err)
 98	}
 99}
100
101func editFileHandler(w http.ResponseWriter, r *http.Request) {
102	user := newGetAuthUser(r)
103	if !user.LoggedIn {
104		renderDefaultError(w, http.StatusForbidden)
105		return
106	}
107	fileName := filepath.Clean(r.URL.Path[len("/edit/"):])
108	filePath := path.Join(c.FilesDirectory, user.Username, fileName)
109	isText := isTextFile(filePath)
110	alert := ""
111	if r.Method == "POST" {
112		// get post body
113		r.ParseForm()
114		fileText := r.Form.Get("file_text")
115		// Web form by default gives us CR LF newlines.
116		// Unix files use just LF
117		fileText = strings.ReplaceAll(fileText, "\r\n", "\n")
118		fileBytes := []byte(fileText)
119		err := checkIfValidFile(filePath, fileBytes)
120		if err != nil {
121			log.Println(err)
122			renderError(w, err.Error(), http.StatusBadRequest)
123			return
124		}
125		// create directories if dne
126		os.MkdirAll(path.Dir(filePath), os.ModePerm)
127		if userHasSpace(user.Username, len(fileBytes)) {
128			if isText { // Cant edit binary files here
129				err = ioutil.WriteFile(filePath, fileBytes, 0644)
130			}
131		} else {
132			renderError(w, fmt.Sprintf("Bad Request: Out of file space. Max space: %d.", c.MaxUserBytes), http.StatusBadRequest)
133			return
134		}
135		if err != nil {
136			panic(err)
137		}
138		alert = "saved"
139		newName := filepath.Clean(r.Form.Get("rename"))
140		err = checkIfValidFile(newName, fileBytes)
141		if err != nil {
142			log.Println(err)
143			renderError(w, err.Error(), http.StatusBadRequest)
144			return
145		}
146		if newName != fileName {
147			newPath := path.Join(c.FilesDirectory, user.Username, newName)
148			os.MkdirAll(path.Dir(newPath), os.ModePerm)
149			os.Rename(filePath, newPath)
150			fileName = newName
151			filePath = newPath
152			alert += " and renamed"
153		}
154	}
155
156	err := checkIfValidFile(filePath, nil)
157	if err != nil {
158		log.Println(err)
159		renderError(w, err.Error(), http.StatusBadRequest)
160		return
161	}
162	// Create directories if dne
163	f, err := os.OpenFile(filePath, os.O_RDONLY, 0644)
164	var fileBytes []byte
165	if os.IsNotExist(err) || !isText {
166		fileBytes = []byte{}
167		err = nil
168	} else {
169		defer f.Close()
170		fileBytes, err = ioutil.ReadAll(f)
171	}
172	if err != nil {
173		panic(err)
174	}
175	data := struct {
176		FileName  string
177		FileText  string
178		PageTitle string
179		AuthUser  AuthUser
180		Host      string
181		IsText    bool
182		Alert     string
183	}{fileName, string(fileBytes), c.SiteTitle, user, c.Host, isText, alert}
184	err = t.ExecuteTemplate(w, "edit_file.html", data)
185	if err != nil {
186		panic(err)
187	}
188}
189
190func uploadFilesHandler(w http.ResponseWriter, r *http.Request) {
191	if r.Method == "POST" {
192		user := newGetAuthUser(r)
193		if !user.LoggedIn {
194			renderDefaultError(w, http.StatusForbidden)
195			return
196		}
197		r.ParseMultipartForm(10 << 6) // why does this not work
198		file, fileHeader, err := r.FormFile("file")
199		fileName := filepath.Clean(fileHeader.Filename)
200		defer file.Close()
201		if err != nil {
202			log.Println(err)
203			renderError(w, err.Error(), http.StatusBadRequest)
204			return
205		}
206		dest, _ := ioutil.ReadAll(file)
207		err = checkIfValidFile(fileName, dest)
208		if err != nil {
209			log.Println(err)
210			renderError(w, err.Error(), http.StatusBadRequest)
211			return
212		}
213		destPath := path.Join(c.FilesDirectory, user.Username, fileName)
214
215		f, err := os.OpenFile(destPath, os.O_WRONLY|os.O_CREATE, 0644)
216		if err != nil {
217			panic(err)
218		}
219		defer f.Close()
220		if userHasSpace(user.Username, c.MaxFileBytes) { // Not quite right
221			io.Copy(f, bytes.NewReader(dest))
222		} else {
223			renderError(w, fmt.Sprintf("Bad Request: Out of file space. Max space: %d.", c.MaxUserBytes), http.StatusBadRequest)
224			return
225		}
226	}
227	http.Redirect(w, r, "/my_site", http.StatusSeeOther)
228}
229
230type AuthUser struct {
231	LoggedIn          bool
232	Username          string
233	IsAdmin           bool
234	ImpersonatingUser string // used if impersonating
235}
236
237func newGetAuthUser(r *http.Request) AuthUser {
238	session, _ := SessionStore.Get(r, "cookie-session")
239	user, ok := session.Values["auth_user"].(string)
240	impers, _ := session.Values["impersonating_user"].(string)
241	isAdmin, _ := session.Values["admin"].(bool)
242	return AuthUser{
243		LoggedIn:          ok,
244		Username:          user,
245		IsAdmin:           isAdmin,
246		ImpersonatingUser: impers,
247	}
248}
249
250func mySiteHandler(w http.ResponseWriter, r *http.Request) {
251	user := newGetAuthUser(r)
252	if !user.LoggedIn {
253		renderDefaultError(w, http.StatusForbidden)
254		return
255	}
256	// check auth
257	userFolder := getUserDirectory(user.Username)
258	files, _ := getMyFilesRecursive(userFolder, user.Username)
259	currentDate := time.Now().Format("2006-01-02")
260	data := struct {
261		Host        string
262		PageTitle   string
263		Files       []File
264		AuthUser    AuthUser
265		CurrentDate string
266	}{c.Host, c.SiteTitle, files, user, currentDate}
267	_ = t.ExecuteTemplate(w, "my_site.html", data)
268}
269
270func myAccountHandler(w http.ResponseWriter, r *http.Request) {
271	user := newGetAuthUser(r)
272	authUser := user.Username
273	if !user.LoggedIn {
274		renderDefaultError(w, http.StatusForbidden)
275		return
276	}
277	me, _ := getUserByName(user.Username)
278	type pageData struct {
279		PageTitle string
280		AuthUser  AuthUser
281		Email     string
282		Errors    []string
283	}
284	data := pageData{"My Account", user, me.Email, nil}
285
286	if r.Method == "GET" {
287		err := t.ExecuteTemplate(w, "me.html", data)
288		if err != nil {
289			panic(err)
290		}
291	} else if r.Method == "POST" {
292		r.ParseForm()
293		newUsername := r.Form.Get("username")
294		errors := []string{}
295		newEmail := r.Form.Get("email")
296		newUsername = strings.ToLower(newUsername)
297		var err error
298		if newEmail != me.Email {
299			_, err = DB.Exec("update user set email = ? where username = ?", newEmail, me.Email)
300			if err != nil {
301				// TODO better error not sql
302				errors = append(errors, err.Error())
303			} else {
304				log.Printf("Changed email for %s from %s to %s", authUser, me.Email, newEmail)
305			}
306		}
307		if newUsername != authUser {
308			// Rename User
309			err = renameUser(authUser, newUsername)
310			if err != nil {
311				log.Println(err)
312				errors = append(errors, "Could not rename user")
313			} else {
314				session, _ := SessionStore.Get(r, "cookie-session")
315				session.Values["auth_user"] = newUsername
316				session.Save(r, w)
317			}
318		}
319		// reset auth
320		user = newGetAuthUser(r)
321		data.Errors = errors
322		data.AuthUser = user
323		data.Email = newEmail
324		_ = t.ExecuteTemplate(w, "me.html", data)
325	}
326}
327
328func archiveHandler(w http.ResponseWriter, r *http.Request) {
329	authUser := newGetAuthUser(r)
330	if !authUser.LoggedIn {
331		renderDefaultError(w, http.StatusForbidden)
332		return
333	}
334	if r.Method == "GET" {
335		userFolder := getUserDirectory(authUser.Username)
336		err := zipit(userFolder, w)
337		if err != nil {
338			panic(err)
339		}
340
341	}
342}
343func loginHandler(w http.ResponseWriter, r *http.Request) {
344	if r.Method == "GET" {
345		// show page
346		data := struct {
347			Error     string
348			PageTitle string
349		}{"", "Login"}
350		err := t.ExecuteTemplate(w, "login.html", data)
351		if err != nil {
352			panic(err)
353		}
354	} else if r.Method == "POST" {
355		r.ParseForm()
356		name := r.Form.Get("username")
357		password := r.Form.Get("password")
358		row := DB.QueryRow("SELECT username, password_hash, active, admin FROM user where username = $1 OR email = $1", name)
359		var db_password []byte
360		var username string
361		var active bool
362		var isAdmin bool
363		err := row.Scan(&username, &db_password, &active, &isAdmin)
364		if err != nil {
365			panic(err)
366		}
367		if db_password != nil && !active {
368			data := struct {
369				Error     string
370				PageTitle string
371			}{"Your account is not active yet. Pending admin approval", c.SiteTitle}
372			t.ExecuteTemplate(w, "login.html", data)
373			return
374		}
375		if bcrypt.CompareHashAndPassword(db_password, []byte(password)) == nil {
376			log.Println("logged in")
377			session, _ := SessionStore.Get(r, "cookie-session")
378			session.Values["auth_user"] = username
379			session.Values["admin"] = isAdmin
380			session.Save(r, w)
381			http.Redirect(w, r, "/my_site", http.StatusSeeOther)
382		} else {
383			data := struct {
384				Error     string
385				PageTitle string
386			}{"Invalid login or password", c.SiteTitle}
387			err := t.ExecuteTemplate(w, "login.html", data)
388			if err != nil {
389				panic(err)
390			}
391		}
392	}
393}
394
395func logoutHandler(w http.ResponseWriter, r *http.Request) {
396	session, _ := SessionStore.Get(r, "cookie-session")
397	impers, ok := session.Values["impersonating_user"].(string)
398	if ok {
399		session.Values["auth_user"] = impers
400		session.Values["impersonating_user"] = nil // TODO expire this automatically
401		// session.Values["admin"] = nil // TODO fix admin
402	} else {
403		session.Options.MaxAge = -1
404	}
405	session.Save(r, w)
406	http.Redirect(w, r, "/", http.StatusSeeOther)
407}
408
409const ok = "-0123456789abcdefghijklmnopqrstuvwxyz"
410
411func isOkUsername(s string) error {
412	if len(s) < 1 {
413		return fmt.Errorf("Username is too short")
414	}
415	if len(s) > 32 {
416		return fmt.Errorf("Username is too long. 32 char max.")
417	}
418	for _, char := range s {
419		if !strings.Contains(ok, strings.ToLower(string(char))) {
420			return fmt.Errorf("Username contains invalid characters. Valid characters include lowercase letters, numbers, and hyphens.")
421		}
422	}
423	return nil
424}
425func registerHandler(w http.ResponseWriter, r *http.Request) {
426	if r.Method == "GET" {
427		data := struct {
428			Host      string
429			Errors    []string
430			PageTitle string
431		}{c.Host, nil, "Register"}
432		err := t.ExecuteTemplate(w, "register.html", data)
433		if err != nil {
434			panic(err)
435		}
436	} else if r.Method == "POST" {
437		r.ParseForm()
438		email := r.Form.Get("email")
439		password := r.Form.Get("password")
440		errors := []string{}
441		if r.Form.Get("password") != r.Form.Get("password2") {
442			errors = append(errors, "Passwords don't match")
443		}
444		if len(password) < 6 {
445			errors = append(errors, "Password is too short")
446		}
447		username := strings.ToLower(r.Form.Get("username"))
448		err := isOkUsername(username)
449		if err != nil {
450			errors = append(errors, err.Error())
451		}
452		hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 8) // TODO handle error
453		if err != nil {
454			panic(err)
455		}
456		reference := r.Form.Get("reference")
457		if len(errors) == 0 {
458			_, err = DB.Exec("insert into user (username, email, password_hash, reference) values ($1, $2, $3, $4)", username, email, string(hashedPassword), reference)
459			if err != nil {
460				errors = append(errors, "Username or email is already used")
461			}
462		}
463		if len(errors) > 0 {
464			data := struct {
465				Host      string
466				Errors    []string
467				PageTitle string
468			}{c.Host, errors, "Register"}
469			t.ExecuteTemplate(w, "register.html", data)
470		} else {
471			data := struct {
472				Host      string
473				Message   string
474				PageTitle string
475			}{c.Host, "Registration complete! The server admin will approve your request before you can log in.", "Registration Complete"}
476			t.ExecuteTemplate(w, "message.html", data)
477		}
478	}
479}
480
481func deleteFileHandler(w http.ResponseWriter, r *http.Request) {
482	user := newGetAuthUser(r)
483	if !user.LoggedIn {
484		renderDefaultError(w, http.StatusForbidden)
485		return
486	}
487	filePath := safeGetFilePath(user.Username, r.URL.Path[len("/delete/"):])
488	if r.Method == "POST" {
489		os.Remove(filePath) // TODO handle error
490	}
491	http.Redirect(w, r, "/my_site", http.StatusSeeOther)
492}
493
494func adminHandler(w http.ResponseWriter, r *http.Request) {
495	user := newGetAuthUser(r)
496	if !user.IsAdmin {
497		renderDefaultError(w, http.StatusForbidden)
498		return
499	}
500	allUsers, err := getUsers()
501	if err != nil {
502		log.Println(err)
503		renderDefaultError(w, http.StatusInternalServerError)
504		return
505	}
506	data := struct {
507		Users     []User
508		AuthUser  AuthUser
509		PageTitle string
510		Host      string
511	}{allUsers, user, "Admin", c.Host}
512	err = t.ExecuteTemplate(w, "admin.html", data)
513	if err != nil {
514		panic(err)
515	}
516}
517
518func getFavicon(user string) string {
519	faviconPath := path.Join(c.FilesDirectory, filepath.Clean(user), "favicon.txt")
520	content, err := ioutil.ReadFile(faviconPath)
521	if err != nil {
522		return ""
523	}
524	strcontent := []rune(string(content))
525	if len(strcontent) > 0 {
526		return string(strcontent[0])
527	}
528	return ""
529}
530
531// Server a user's file
532// Here be dragons
533func userFile(w http.ResponseWriter, r *http.Request) {
534	userName := filepath.Clean(strings.Split(r.Host, ".")[0]) // Clean probably unnecessary
535	p := filepath.Clean(r.URL.Path)
536	var isDir bool
537	fullPath := path.Join(c.FilesDirectory, userName, p) // TODO rename filepath
538	stat, err := os.Stat(fullPath)
539	if stat != nil {
540		isDir = stat.IsDir()
541	}
542	if strings.HasSuffix(p, "index.gmi") {
543		http.Redirect(w, r, path.Dir(p), http.StatusMovedPermanently)
544	}
545
546	if strings.HasPrefix(p, "/"+HiddenFolder) {
547		renderDefaultError(w, http.StatusForbidden)
548		return
549	}
550	if r.URL.Path == "/style.css" {
551		http.ServeFile(w, r, path.Join(c.TemplatesDirectory, "static/style.css"))
552		return
553	}
554	if r.URL.Path == "/gemlog/atom.xml" && os.IsNotExist(err) {
555		w.Header().Set("Content-Type", "application/atom+xml")
556		// TODO set always somehow
557		feed := generateFeedFromUser(userName)
558		atomString := feed.toAtomFeed()
559		io.Copy(w, strings.NewReader(atomString))
560		return
561	}
562
563	var geminiContent string
564	_, err = os.Stat(path.Join(fullPath, "index.gmi"))
565	if p == "/" || isDir {
566		if os.IsNotExist(err) {
567			if p == "/gemlog" {
568				geminiContent = generateGemfeedPage(userName)
569			} else {
570				geminiContent = generateFolderPage(fullPath)
571			}
572		} else {
573			fullPath = path.Join(fullPath, "index.gmi")
574		}
575	}
576	if geminiContent == "" && os.IsNotExist(err) {
577		renderDefaultError(w, http.StatusNotFound)
578		return
579	}
580	// Dumb content negotiation
581	_, raw := r.URL.Query()["raw"]
582	acceptsGemini := strings.Contains(r.Header.Get("Accept"), "text/gemini")
583	if !raw && !acceptsGemini && (isGemini(fullPath) || geminiContent != "") {
584		var htmlString string
585		if geminiContent == "" {
586			file, _ := os.Open(fullPath)
587			htmlString = textToHTML(gmi.ParseText(file))
588			defer file.Close()
589		} else {
590			htmlString = textToHTML(gmi.ParseText(strings.NewReader(geminiContent)))
591		}
592		favicon := getFavicon(userName)
593		hostname := strings.Split(r.Host, ":")[0]
594		URI := hostname + r.URL.String()
595		data := struct {
596			SiteBody  template.HTML
597			Favicon   string
598			PageTitle string
599			URI       string
600		}{template.HTML(htmlString), favicon, userName + p, URI}
601		t.ExecuteTemplate(w, "user_page.html", data)
602	} else {
603		http.ServeFile(w, r, fullPath)
604	}
605}
606
607func deleteAccountHandler(w http.ResponseWriter, r *http.Request) {
608	user := newGetAuthUser(r)
609	if r.Method == "POST" {
610		r.ParseForm()
611		validate := r.Form.Get("validate-delete")
612		if validate == user.Username {
613			err := deleteUser(user.Username)
614			if err != nil {
615				log.Println(err)
616				renderDefaultError(w, http.StatusInternalServerError)
617				return
618			}
619			logoutHandler(w, r)
620		} else {
621			http.Redirect(w, r, "/me", http.StatusSeeOther)
622		}
623	}
624}
625
626func resetPasswordHandler(w http.ResponseWriter, r *http.Request) {
627	user := newGetAuthUser(r)
628	data := struct {
629		PageTitle string
630		AuthUser  AuthUser
631		Error     string
632	}{"Reset Password", user, ""}
633	if r.Method == "GET" {
634		err := t.ExecuteTemplate(w, "reset_pass.html", data)
635		if err != nil {
636			panic(err)
637		}
638	} else if r.Method == "POST" {
639		r.ParseForm()
640		enteredCurrPass := r.Form.Get("password")
641		password1 := r.Form.Get("new_password1")
642		password2 := r.Form.Get("new_password2")
643		if password1 != password2 {
644			data.Error = "New passwords do not match"
645		} else if len(password1) < 6 {
646			data.Error = "Password is too short"
647		} else {
648			err := checkAuth(user.Username, enteredCurrPass)
649			if err == nil {
650				hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password1), 8)
651				if err != nil {
652					panic(err)
653				}
654				_, err = DB.Exec("update user set password_hash = ? where username = ?", hashedPassword, user.Username)
655				if err != nil {
656					panic(err)
657				}
658				log.Printf("User %s reset password", user.Username)
659				http.Redirect(w, r, "/me", http.StatusSeeOther)
660				return
661			} else {
662				data.Error = "That's not your current password"
663			}
664		}
665		err := t.ExecuteTemplate(w, "reset_pass.html", data)
666		if err != nil {
667			panic(err)
668		}
669	}
670}
671
672func adminUserHandler(w http.ResponseWriter, r *http.Request) {
673	user := newGetAuthUser(r)
674	if r.Method == "POST" {
675		if !user.IsAdmin {
676			renderDefaultError(w, http.StatusForbidden)
677			return
678		}
679		components := strings.Split(r.URL.Path, "/")
680		if len(components) < 5 {
681			renderError(w, "Invalid action", http.StatusBadRequest)
682			return
683		}
684		userName := components[3]
685		action := components[4]
686		var err error
687		if action == "activate" {
688			err = activateUser(userName)
689		} else if action == "impersonate" {
690			if user.ImpersonatingUser != "" {
691				// Don't allow nested impersonation
692				renderError(w, "Cannot nest impersonation, log out from impersonated user first.", 400)
693				return
694			}
695			session, _ := SessionStore.Get(r, "cookie-session")
696			session.Values["auth_user"] = userName
697			session.Values["impersonating_user"] = user.Username
698			session.Save(r, w)
699			log.Printf("User %s impersonated %s", user.Username, userName)
700			http.Redirect(w, r, "/", http.StatusSeeOther)
701			return
702		}
703		if err != nil {
704			log.Println(err)
705			renderDefaultError(w, http.StatusInternalServerError)
706			return
707		}
708		http.Redirect(w, r, "/admin", http.StatusSeeOther)
709	}
710}
711
712func runHTTPMetricsServer() {
713	metricsAddr := c.PrometheusMetricsPort
714	log.Printf("metrics listening at %s", metricsAddr)
715	if err := http.ListenAndServe(metricsAddr, promhttp.Handler()); err != nil {
716		log.Panicf("error while serving metrics: %s", err)
717	}
718}
719
720func runHTTPServer() {
721	log.Printf("Running http server with hostname %s on port %d. TLS enabled: %t", c.Host, c.HttpPort, c.HttpsEnabled)
722	var err error
723	t, err = template.ParseGlob(path.Join(c.TemplatesDirectory, "*.html"))
724	if err != nil {
725		log.Fatal(err)
726	}
727	serveMux := http.NewServeMux()
728
729	s := strings.SplitN(c.Host, ":", 2)
730	hostname := s[0]
731	port := c.HttpPort
732
733	serveMux.HandleFunc(hostname+"/", rootHandler)
734	serveMux.HandleFunc(hostname+"/feed", feedHandler)
735	serveMux.HandleFunc(hostname+"/my_site", mySiteHandler)
736	serveMux.HandleFunc(hostname+"/me", myAccountHandler)
737	serveMux.HandleFunc(hostname+"/my_site/flounder-archive.zip", archiveHandler)
738	serveMux.HandleFunc(hostname+"/admin", adminHandler)
739	serveMux.HandleFunc(hostname+"/edit/", editFileHandler)
740	serveMux.HandleFunc(hostname+"/upload", uploadFilesHandler)
741	serveMux.Handle(hostname+"/login", limit(http.HandlerFunc(loginHandler)))
742	serveMux.Handle(hostname+"/register", limit(http.HandlerFunc(registerHandler)))
743	serveMux.HandleFunc(hostname+"/logout", logoutHandler)
744	serveMux.HandleFunc(hostname+"/delete/", deleteFileHandler)
745	serveMux.HandleFunc(hostname+"/delete-account", deleteAccountHandler)
746	serveMux.HandleFunc(hostname+"/reset-password", resetPasswordHandler)
747
748	// admin commands
749	serveMux.HandleFunc(hostname+"/admin/user/", adminUserHandler)
750	// TODO authentication
751	serveMux.HandleFunc(hostname+"/webdav/", webdavHandler)
752
753	wrapped := handlers.LoggingHandler(log.Writer(), handlers.RecoveryHandler()(serveMux))
754	if c.PrometheusMetrics {
755		prom := middleware.New(middleware.Config{
756			Recorder: metrics.NewRecorder(metrics.Config{}),
757		})
758		wrapped = std.Handler("", prom, wrapped)
759	}
760
761	// handle user files based on subdomain
762	serveMux.HandleFunc("/", userFile)
763	// login+register functions
764	srv := &http.Server{
765		ReadTimeout:  5 * time.Second,
766		WriteTimeout: 10 * time.Second,
767		IdleTimeout:  120 * time.Second,
768		Addr:         fmt.Sprintf(":%d", port),
769		// TLSConfig:    tlsConfig,
770		Handler: wrapped,
771	}
772	if c.HttpsEnabled {
773		log.Fatal(srv.ListenAndServeTLS(c.TLSCertFile, c.TLSKeyFile))
774	} else {
775		log.Fatal(srv.ListenAndServe())
776	}
777
778}