http.go (view raw)
1package main
2
3import (
4 "bytes"
5 "fmt"
6 gmi "git.sr.ht/~adnano/go-gemini"
7 "github.com/LukeEmmet/html2gemini"
8 "github.com/gorilla/handlers"
9 "github.com/gorilla/sessions"
10 _ "github.com/mattn/go-sqlite3"
11 "golang.org/x/crypto/bcrypt"
12 "html/template"
13 "io"
14 "io/ioutil"
15 "log"
16 "net/http"
17 "net/url"
18 "os"
19 "path"
20 "path/filepath"
21 "strings"
22 "time"
23)
24
25var t *template.Template
26var SessionStore *sessions.CookieStore
27
28func renderDefaultError(w http.ResponseWriter, statusCode int) {
29 errorMsg := http.StatusText(statusCode)
30 renderError(w, errorMsg, statusCode)
31}
32
33func renderError(w http.ResponseWriter, errorMsg string, statusCode int) {
34 data := struct {
35 StatusCode int
36 ErrorMsg string
37 Config Config
38 }{statusCode, errorMsg, c}
39 err := t.ExecuteTemplate(w, "error.html", data)
40 if err != nil { // Shouldn't happen probably
41 http.Error(w, errorMsg, statusCode)
42 }
43}
44
45func rootHandler(w http.ResponseWriter, r *http.Request) {
46 // serve everything inside static directory
47 if r.URL.Path != "/" {
48 fileName := path.Join(c.TemplatesDirectory, "static", filepath.Clean(r.URL.Path))
49 _, err := os.Stat(fileName)
50 if err != nil {
51 renderDefaultError(w, http.StatusNotFound)
52 return
53 }
54 http.ServeFile(w, r, fileName) // TODO better error handling
55 return
56 }
57
58 user := newGetAuthUser(r)
59 indexFiles, err := getIndexFiles(user.IsAdmin)
60 if err != nil {
61 panic(err)
62 }
63 allUsers, err := getActiveUserNames()
64 if err != nil {
65 panic(err)
66 }
67 data := struct {
68 Config Config
69 AuthUser AuthUser
70 Files []*File
71 Users []string
72 }{c, user, indexFiles, allUsers}
73 err = t.ExecuteTemplate(w, "index.html", data)
74 if err != nil {
75 panic(err)
76 }
77}
78
79func feedHandler(w http.ResponseWriter, r *http.Request) {
80 user := newGetAuthUser(r)
81 feedEntries, feeds, err := getAllGemfeedEntries()
82 if err != nil {
83 panic(err)
84 }
85 data := struct {
86 Config Config
87 FeedEntries []FeedEntry
88 Feeds []Gemfeed
89 AuthUser AuthUser
90 }{c, feedEntries, feeds, user}
91 err = t.ExecuteTemplate(w, "feed.html", data)
92 if err != nil {
93 panic(err)
94 }
95}
96
97func editFileHandler(w http.ResponseWriter, r *http.Request) {
98 user := newGetAuthUser(r)
99 if !user.LoggedIn {
100 renderDefaultError(w, http.StatusForbidden)
101 return
102 }
103 fileName := filepath.Clean(r.URL.Path[len("/edit/"):])
104 filePath := path.Join(c.FilesDirectory, user.Username, fileName)
105 isText := isTextFile(filePath)
106 alert := ""
107 var warnings []string
108 if r.Method == "POST" {
109 // get post body
110 r.ParseForm()
111 fileText := r.Form.Get("file_text")
112 // Web form by default gives us CR LF newlines.
113 // Unix files use just LF
114 fileText = strings.ReplaceAll(fileText, "\r\n", "\n")
115 fileBytes := []byte(fileText)
116 err := checkIfValidFile(filePath, fileBytes)
117 if err != nil {
118 log.Println(err)
119 renderError(w, err.Error(), http.StatusBadRequest)
120 return
121 }
122 sfl := getSchemedFlounderLinkLines(strings.NewReader(fileText))
123 if len(sfl) > 0 {
124 warnings = append(warnings, "Warning! Some of your links to flounder pages use schemas. This means that they may break when viewed in Gemini or over HTTPS. Plase remove gemini: or https: from the start of these links:\n")
125 for _, l := range sfl {
126 warnings = append(warnings, l)
127 }
128 }
129 // create directories if dne
130 os.MkdirAll(path.Dir(filePath), os.ModePerm)
131 if userHasSpace(user.Username, len(fileBytes)) {
132 if isText { // Cant edit binary files here
133 err = ioutil.WriteFile(filePath, fileBytes, 0644)
134 }
135 } else {
136 renderError(w, fmt.Sprintf("Bad Request: Out of file space. Max space: %d.", c.MaxUserBytes), http.StatusBadRequest)
137 return
138 }
139 if err != nil {
140 panic(err)
141 }
142 alert = "saved"
143 newName := filepath.Clean(r.Form.Get("rename"))
144 err = checkIfValidFile(newName, fileBytes)
145 if err != nil {
146 log.Println(err)
147 renderError(w, err.Error(), http.StatusBadRequest)
148 return
149 }
150 if newName != fileName {
151 newPath := path.Join(c.FilesDirectory, user.Username, newName)
152 os.MkdirAll(path.Dir(newPath), os.ModePerm)
153 os.Rename(filePath, newPath)
154 fileName = newName
155 filePath = newPath
156 alert += " and renamed"
157 }
158 }
159
160 err := checkIfValidFile(filePath, nil)
161 if err != nil {
162 log.Println(err)
163 renderError(w, err.Error(), http.StatusBadRequest)
164 return
165 }
166 // Create directories if dne
167 f, err := os.OpenFile(filePath, os.O_RDONLY, 0644)
168 var fileBytes []byte
169 if os.IsNotExist(err) || !isText {
170 fileBytes = []byte{}
171 err = nil
172 } else {
173 defer f.Close()
174 fileBytes, err = ioutil.ReadAll(f)
175 }
176 if err != nil {
177 panic(err)
178 }
179 data := struct {
180 FileName string
181 FileText string
182 Config Config
183 AuthUser AuthUser
184 Host string
185 IsText bool
186 IsGemini bool
187 IsGemlog bool
188 Alert string
189 Warnings []string
190 }{fileName, string(fileBytes), c, user, c.Host, isText, isGemini(fileName), strings.HasPrefix(fileName, "gemlog"), alert, warnings}
191 err = t.ExecuteTemplate(w, "edit_file.html", data)
192 if err != nil {
193 panic(err)
194 }
195}
196
197func uploadFilesHandler(w http.ResponseWriter, r *http.Request) {
198 if r.Method == "POST" {
199 user := newGetAuthUser(r)
200 if !user.LoggedIn {
201 renderDefaultError(w, http.StatusForbidden)
202 return
203 }
204 r.ParseMultipartForm(10 << 6) // why does this not work
205 file, fileHeader, err := r.FormFile("file")
206 fileName := filepath.Clean(fileHeader.Filename)
207 defer file.Close()
208 if err != nil {
209 log.Println(err)
210 renderError(w, err.Error(), http.StatusBadRequest)
211 return
212 }
213 dest, _ := ioutil.ReadAll(file)
214 err = checkIfValidFile(fileName, dest)
215 if err != nil {
216 log.Println(err)
217 renderError(w, err.Error(), http.StatusBadRequest)
218 return
219 }
220 destPath := path.Join(c.FilesDirectory, user.Username, fileName)
221
222 f, err := os.OpenFile(destPath, os.O_WRONLY|os.O_CREATE, 0644)
223 if err != nil {
224 panic(err)
225 }
226 defer f.Close()
227 if userHasSpace(user.Username, c.MaxFileBytes) { // Not quite right
228 io.Copy(f, bytes.NewReader(dest))
229 } else {
230 renderError(w, fmt.Sprintf("Bad Request: Out of file space. Max space: %d.", c.MaxUserBytes), http.StatusBadRequest)
231 return
232 }
233 }
234 http.Redirect(w, r, "/my_site", http.StatusSeeOther)
235}
236
237type AuthUser struct {
238 LoggedIn bool
239 Username string
240 IsAdmin bool
241 ImpersonatingUser string // used if impersonating
242}
243
244func newGetAuthUser(r *http.Request) AuthUser {
245 session, _ := SessionStore.Get(r, "cookie-session")
246 user, ok := session.Values["auth_user"].(string)
247 impers, _ := session.Values["impersonating_user"].(string)
248 isAdmin, _ := session.Values["admin"].(bool)
249 return AuthUser{
250 LoggedIn: ok,
251 Username: user,
252 IsAdmin: isAdmin,
253 ImpersonatingUser: impers,
254 }
255}
256
257func mySiteHandler(w http.ResponseWriter, r *http.Request) {
258 user := newGetAuthUser(r)
259 if !user.LoggedIn {
260 renderDefaultError(w, http.StatusForbidden)
261 return
262 }
263 // check auth
264 userFolder := getUserDirectory(user.Username)
265 files, _ := getMyFilesRecursive(userFolder, user.Username)
266 currentDate := time.Now().Format("2006-01-02")
267 data := struct {
268 Config Config
269 Files []File
270 AuthUser AuthUser
271 CurrentDate string
272 }{c, files, user, currentDate}
273 _ = t.ExecuteTemplate(w, "my_site.html", data)
274}
275
276func myAccountHandler(w http.ResponseWriter, r *http.Request) {
277 user := newGetAuthUser(r)
278 authUser := user.Username
279 if !user.LoggedIn {
280 renderDefaultError(w, http.StatusForbidden)
281 return
282 }
283 me, _ := getUserByName(user.Username)
284 type pageData struct {
285 Config Config
286 AuthUser AuthUser
287 MyUser *User
288 Errors []string
289 }
290 data := pageData{c, user, me, nil}
291
292 if r.Method == "GET" {
293 err := t.ExecuteTemplate(w, "me.html", data)
294 if err != nil {
295 panic(err)
296 }
297 } else if r.Method == "POST" {
298 r.ParseForm()
299 newUsername := r.Form.Get("username")
300 errors := []string{}
301 newEmail := r.Form.Get("email")
302 newDomain := r.Form.Get("domain")
303 newUsername = strings.ToLower(newUsername)
304 var err error
305 _, exists := domains[newDomain]
306 if newDomain != me.Domain && !exists {
307 _, err = DB.Exec("update user set domain = ? where username = ?", newDomain, me.Username) // TODO use transaction
308 if err != nil {
309 errors = append(errors, err.Error())
310 } else {
311 refreshDomainMap()
312 log.Printf("Changed domain for %s from %s to %s", authUser, me.Domain, newDomain)
313 }
314 }
315 if newEmail != me.Email {
316 _, err = DB.Exec("update user set email = ? where username = ?", newEmail, me.Username)
317 if err != nil {
318 // TODO better error not sql
319 errors = append(errors, err.Error())
320 } else {
321 log.Printf("Changed email for %s from %s to %s", authUser, me.Email, newEmail)
322 }
323 }
324 if newUsername != authUser {
325 // Rename User
326 err = renameUser(authUser, newUsername)
327 if err != nil {
328 log.Println(err)
329 errors = append(errors, "Could not rename user")
330 } else {
331 session, _ := SessionStore.Get(r, "cookie-session")
332 session.Values["auth_user"] = newUsername
333 session.Save(r, w)
334 }
335 }
336 // reset auth
337 user = newGetAuthUser(r)
338 data.Errors = errors
339 data.AuthUser = user
340 data.MyUser.Email = newEmail
341 data.MyUser.Domain = newDomain
342 _ = t.ExecuteTemplate(w, "me.html", data)
343 }
344}
345
346func archiveHandler(w http.ResponseWriter, r *http.Request) {
347 authUser := newGetAuthUser(r)
348 if !authUser.LoggedIn {
349 renderDefaultError(w, http.StatusForbidden)
350 return
351 }
352 if r.Method == "GET" {
353 userFolder := getUserDirectory(authUser.Username)
354 err := zipit(userFolder, w)
355 if err != nil {
356 panic(err)
357 }
358
359 }
360}
361func loginHandler(w http.ResponseWriter, r *http.Request) {
362 if r.Method == "GET" {
363 // show page
364 data := struct {
365 Error string
366 Config Config
367 }{"", c}
368 err := t.ExecuteTemplate(w, "login.html", data)
369 if err != nil {
370 panic(err)
371 }
372 } else if r.Method == "POST" {
373 r.ParseForm()
374 name := strings.ToLower(r.Form.Get("username"))
375 password := r.Form.Get("password")
376 row := DB.QueryRow("SELECT username, password_hash, active, admin FROM user where username = $1 OR email = $1", name)
377 var db_password []byte
378 var username string
379 var active bool
380 var isAdmin bool
381 err := row.Scan(&username, &db_password, &active, &isAdmin)
382 if err != nil {
383 if strings.Contains(err.Error(), "no rows") {
384 data := struct {
385 Error string
386 Config Config
387 }{"Username or email '" + name + "' does not exist", c}
388 t.ExecuteTemplate(w, "login.html", data)
389 return
390 } else {
391 panic(err)
392 }
393 }
394 if db_password != nil && !active {
395 data := struct {
396 Error string
397 Config Config
398 }{"Your account is not active yet. Pending admin approval", c}
399 t.ExecuteTemplate(w, "login.html", data)
400 return
401 }
402 if bcrypt.CompareHashAndPassword(db_password, []byte(password)) == nil {
403 log.Println("logged in")
404 session, _ := SessionStore.Get(r, "cookie-session")
405 session.Values["auth_user"] = username
406 session.Values["admin"] = isAdmin
407 session.Save(r, w)
408 http.Redirect(w, r, "/my_site", http.StatusSeeOther)
409 } else {
410 data := struct {
411 Error string
412 Config Config
413 }{"Invalid login or password", c}
414 err := t.ExecuteTemplate(w, "login.html", data)
415 if err != nil {
416 panic(err)
417 }
418 }
419 }
420}
421
422func logoutHandler(w http.ResponseWriter, r *http.Request) {
423 session, _ := SessionStore.Get(r, "cookie-session")
424 impers, ok := session.Values["impersonating_user"].(string)
425 if ok {
426 session.Values["auth_user"] = impers
427 session.Values["impersonating_user"] = nil // TODO expire this automatically
428 // session.Values["admin"] = nil // TODO fix admin
429 } else {
430 session.Options.MaxAge = -1
431 }
432 session.Save(r, w)
433 http.Redirect(w, r, "/", http.StatusSeeOther)
434}
435
436const ok = "-0123456789abcdefghijklmnopqrstuvwxyz"
437
438var bannedUsernames = []string{"www", "proxy", "grafana"}
439
440func registerHandler(w http.ResponseWriter, r *http.Request) {
441 if r.Method == "GET" {
442 data := struct {
443 Errors []string
444 Config Config
445 }{nil, c}
446 err := t.ExecuteTemplate(w, "register.html", data)
447 if err != nil {
448 panic(err)
449 }
450 } else if r.Method == "POST" {
451 r.ParseForm()
452 email := strings.ToLower(r.Form.Get("email"))
453 password := r.Form.Get("password")
454 errors := []string{}
455 if r.Form.Get("password") != r.Form.Get("password2") {
456 errors = append(errors, "Passwords don't match")
457 }
458 if len(password) < 6 {
459 errors = append(errors, "Password is too short")
460 }
461 username := strings.ToLower(r.Form.Get("username"))
462 err := isOkUsername(username)
463 if err != nil {
464 errors = append(errors, err.Error())
465 }
466 hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 8) // TODO handle error
467 if err != nil {
468 panic(err)
469 }
470 reference := r.Form.Get("reference")
471 if len(errors) == 0 {
472 _, err = DB.Exec("insert into user (username, email, password_hash, reference) values ($1, $2, $3, $4)", username, email, string(hashedPassword), reference)
473 if err != nil {
474 errors = append(errors, "Username or email is already used")
475 }
476 }
477 if len(errors) > 0 {
478 data := struct {
479 Config Config
480 Errors []string
481 }{c, errors}
482 t.ExecuteTemplate(w, "register.html", data)
483 } else {
484 data := struct {
485 Config Config
486 Message string
487 Title string
488 }{c, "Registration complete! The server admin will approve your request before you can log in.", "Registration Complete"}
489 t.ExecuteTemplate(w, "message.html", data)
490 }
491 }
492}
493
494func deleteFileHandler(w http.ResponseWriter, r *http.Request) {
495 user := newGetAuthUser(r)
496 if !user.LoggedIn {
497 renderDefaultError(w, http.StatusForbidden)
498 return
499 }
500 filePath := safeGetFilePath(user.Username, r.URL.Path[len("/delete/"):])
501 if r.Method == "POST" {
502 os.Remove(filePath) // TODO handle error
503 }
504 http.Redirect(w, r, "/my_site", http.StatusSeeOther)
505}
506
507func adminHandler(w http.ResponseWriter, r *http.Request) {
508 user := newGetAuthUser(r)
509 if !user.IsAdmin {
510 renderDefaultError(w, http.StatusForbidden)
511 return
512 }
513 allUsers, err := getUsers()
514 if err != nil {
515 log.Println(err)
516 renderDefaultError(w, http.StatusInternalServerError)
517 return
518 }
519 data := struct {
520 Users []User
521 AuthUser AuthUser
522 Config Config
523 }{allUsers, user, c}
524 err = t.ExecuteTemplate(w, "admin.html", data)
525 if err != nil {
526 panic(err)
527 }
528}
529
530func getFavicon(user string) string {
531 faviconPath := path.Join(c.FilesDirectory, filepath.Clean(user), "favicon.txt")
532 content, err := ioutil.ReadFile(faviconPath)
533 if err != nil {
534 return ""
535 }
536 strcontent := []rune(string(content))
537 if len(strcontent) > 0 {
538 return string(strcontent[0])
539 }
540 return ""
541}
542
543// Server a user's file
544// TODO replace with gemini proxy
545// Here be dragons
546func userFile(w http.ResponseWriter, r *http.Request) {
547 var userName string
548 custom := domains[r.Host]
549 if custom != "" {
550 userName = custom
551 } else {
552 userName = filepath.Clean(strings.Split(r.Host, ".")[0]) // Clean probably unnecessary
553 }
554 p := filepath.Clean(r.URL.Path)
555 var isDir bool
556 fullPath := path.Join(c.FilesDirectory, userName, p) // TODO rename filepath
557 stat, err := os.Stat(fullPath)
558 if stat != nil {
559 isDir = stat.IsDir()
560 }
561 if strings.HasSuffix(p, "index.gmi") {
562 http.Redirect(w, r, path.Dir(p), http.StatusMovedPermanently)
563 }
564
565 if strings.HasPrefix(p, "/"+HiddenFolder) {
566 renderDefaultError(w, http.StatusForbidden)
567 return
568 }
569 if r.URL.Path == "/gemlog/atom.xml" && os.IsNotExist(err) {
570 w.Header().Set("Content-Type", "application/atom+xml")
571 // TODO set always somehow
572 feed := generateFeedFromUser(userName)
573 atomString := feed.toAtomFeed()
574 io.Copy(w, strings.NewReader(atomString))
575 return
576 }
577
578 var geminiContent string
579 _, err = os.Stat(path.Join(fullPath, "index.gmi"))
580 if isDir {
581 // redirect slash
582 if !strings.HasSuffix(r.URL.Path, "/") {
583 http.Redirect(w, r, p+"/", http.StatusSeeOther)
584 }
585 if os.IsNotExist(err) {
586 if p == "/gemlog" {
587 geminiContent = generateGemfeedPage(userName)
588 } else {
589 geminiContent = generateFolderPage(fullPath)
590 }
591 } else {
592 fullPath = path.Join(fullPath, "index.gmi")
593 }
594 }
595 if geminiContent == "" && os.IsNotExist(err) {
596 renderDefaultError(w, http.StatusNotFound)
597 return
598 }
599 // Dumb content negotiation
600 _, raw := r.URL.Query()["raw"]
601 acceptsGemini := strings.Contains(r.Header.Get("Accept"), "text/gemini")
602 if !raw && !acceptsGemini && (isGemini(fullPath) || geminiContent != "") {
603 var htmlString string
604 if geminiContent == "" {
605 file, _ := os.Open(fullPath)
606 parse, _ := gmi.ParseText(file)
607 htmlString = textToHTML(nil, parse)
608 defer file.Close()
609 } else {
610 parse, _ := gmi.ParseText(strings.NewReader(geminiContent))
611 htmlString = textToHTML(nil, parse)
612 }
613 favicon := getFavicon(userName)
614 hostname := strings.Split(r.Host, ":")[0]
615 uri := url.URL{
616 Scheme: "gemini",
617 Host: hostname,
618 Path: p,
619 }
620 data := struct {
621 SiteBody template.HTML
622 Favicon string
623 PageTitle string
624 URI *url.URL
625 Config Config
626 }{template.HTML(htmlString), favicon, userName + p, &uri, c}
627 err = t.ExecuteTemplate(w, "user_page.html", data)
628 if err != nil {
629 panic(err)
630 }
631 } else {
632 http.ServeFile(w, r, fullPath)
633 }
634}
635
636func deleteAccountHandler(w http.ResponseWriter, r *http.Request) {
637 user := newGetAuthUser(r)
638 if r.Method == "POST" {
639 r.ParseForm()
640 validate := r.Form.Get("validate-delete")
641 if validate == user.Username {
642 err := deleteUser(user.Username)
643 if err != nil {
644 log.Println(err)
645 renderDefaultError(w, http.StatusInternalServerError)
646 return
647 }
648 logoutHandler(w, r)
649 } else {
650 http.Redirect(w, r, "/me", http.StatusSeeOther)
651 }
652 }
653}
654
655func resetPasswordHandler(w http.ResponseWriter, r *http.Request) {
656 user := newGetAuthUser(r)
657 data := struct {
658 Config Config
659 AuthUser AuthUser
660 Error string
661 }{c, user, ""}
662 if r.Method == "GET" {
663 err := t.ExecuteTemplate(w, "reset_pass.html", data)
664 if err != nil {
665 panic(err)
666 }
667 } else if r.Method == "POST" {
668 r.ParseForm()
669 enteredCurrPass := r.Form.Get("password")
670 password1 := r.Form.Get("new_password1")
671 password2 := r.Form.Get("new_password2")
672 if password1 != password2 {
673 data.Error = "New passwords do not match"
674 } else if len(password1) < 6 {
675 data.Error = "Password is too short"
676 } else {
677 err := checkAuth(user.Username, enteredCurrPass)
678 if err == nil {
679 hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password1), 8)
680 if err != nil {
681 panic(err)
682 }
683 _, err = DB.Exec("update user set password_hash = ? where username = ?", hashedPassword, user.Username)
684 if err != nil {
685 panic(err)
686 }
687 log.Printf("User %s reset password", user.Username)
688 http.Redirect(w, r, "/me", http.StatusSeeOther)
689 return
690 } else {
691 data.Error = "That's not your current password"
692 }
693 }
694 err := t.ExecuteTemplate(w, "reset_pass.html", data)
695 if err != nil {
696 panic(err)
697 }
698 }
699}
700
701func adminUserHandler(w http.ResponseWriter, r *http.Request) {
702 user := newGetAuthUser(r)
703 if r.Method == "POST" {
704 if !user.IsAdmin {
705 renderDefaultError(w, http.StatusForbidden)
706 return
707 }
708 components := strings.Split(r.URL.Path, "/")
709 if len(components) < 5 {
710 renderError(w, "Invalid action", http.StatusBadRequest)
711 return
712 }
713 userName := components[3]
714 action := components[4]
715 var err error
716 if action == "activate" {
717 err = activateUser(userName)
718 } else if action == "impersonate" {
719 if user.ImpersonatingUser != "" {
720 // Don't allow nested impersonation
721 renderError(w, "Cannot nest impersonation, log out from impersonated user first.", 400)
722 return
723 }
724 session, _ := SessionStore.Get(r, "cookie-session")
725 session.Values["auth_user"] = userName
726 session.Values["impersonating_user"] = user.Username
727 session.Save(r, w)
728 log.Printf("User %s impersonated %s", user.Username, userName)
729 http.Redirect(w, r, "/", http.StatusSeeOther)
730 return
731 }
732 if err != nil {
733 log.Println(err)
734 renderDefaultError(w, http.StatusInternalServerError)
735 return
736 }
737 http.Redirect(w, r, "/admin", http.StatusSeeOther)
738 }
739}
740
741func convertTextHandler(w http.ResponseWriter, r *http.Request) {
742 text := ""
743 var err error
744 if r.Method == "GET" {
745 text = ""
746 } else if r.Method == "POST" {
747 r.ParseForm()
748 fmt.Println(r.Form.Get("file_text"))
749 ctx := html2gemini.NewTraverseContext(html2gemini.Options{})
750 text, err = html2gemini.FromString(r.Form.Get("file_text"), *ctx)
751 fmt.Println(text)
752 if err != nil {
753 panic(err)
754 }
755 // TODO handle error?
756 }
757 data := struct {
758 Config Config
759 Text string
760 }{c, text}
761 t.ExecuteTemplate(w, "convert.html", data)
762}
763
764func checkDomainHandler(w http.ResponseWriter, r *http.Request) {
765 domain := r.URL.Query().Get("domain")
766 if domain != "" && domains[domain] != "" {
767 w.Write([]byte(domain))
768 return
769 }
770 http.Error(w, "Not Found", 404)
771}
772func runHTTPServer() {
773 log.Printf("Running http server with hostname %s on port %d.", c.Host, c.HttpPort)
774 var err error
775 t = template.New("main").Funcs(template.FuncMap{"parent": path.Dir, "hasSuffix": strings.HasSuffix,
776 "safeGeminiURL": func(u string) template.URL {
777 if strings.HasPrefix(u, "gemini://") {
778 return template.URL(u)
779 }
780 return ""
781 }})
782 t, err = t.ParseGlob(path.Join(c.TemplatesDirectory, "*.html"))
783 if err != nil {
784 log.Fatal(err)
785 }
786 serveMux := http.NewServeMux()
787
788 s := strings.SplitN(c.Host, ":", 2)
789 hostname := s[0]
790 port := c.HttpPort
791
792 serveMux.HandleFunc(hostname+"/", rootHandler)
793 serveMux.HandleFunc(hostname+"/feed", feedHandler)
794 serveMux.HandleFunc(hostname+"/my_site", mySiteHandler)
795 serveMux.HandleFunc(hostname+"/me", myAccountHandler)
796 serveMux.HandleFunc(hostname+"/my_site/flounder-archive.zip", archiveHandler)
797 serveMux.HandleFunc(hostname+"/admin", adminHandler)
798 serveMux.HandleFunc(hostname+"/edit/", editFileHandler)
799 serveMux.HandleFunc(hostname+"/convert", convertTextHandler)
800 serveMux.HandleFunc(hostname+"/upload", uploadFilesHandler)
801 serveMux.Handle(hostname+"/login", limit(http.HandlerFunc(loginHandler)))
802 serveMux.Handle(hostname+"/register", limit(http.HandlerFunc(registerHandler)))
803 serveMux.HandleFunc(hostname+"/logout", logoutHandler)
804 serveMux.HandleFunc(hostname+"/delete/", deleteFileHandler)
805 serveMux.HandleFunc(hostname+"/delete-account", deleteAccountHandler)
806 serveMux.HandleFunc(hostname+"/reset-password", resetPasswordHandler)
807
808 // Check domain -- used by caddy
809 serveMux.HandleFunc(hostname+"/check-domain", checkDomainHandler)
810
811 // admin commands
812 serveMux.HandleFunc(hostname+"/admin/user/", adminUserHandler)
813
814 serveMux.HandleFunc(hostname+"/webdav/", webdavHandler)
815
816 wrapped := handlers.CustomLoggingHandler(log.Writer(), handlers.RecoveryHandler()(serveMux), logFormatter)
817
818 // handle user files based on subdomain
819 // also routes to proxy
820 serveMux.HandleFunc("proxy."+hostname+"/", proxyGemini) // eg. proxy.flounder.online
821 serveMux.HandleFunc("/", userFile)
822 // login+register functions
823 srv := &http.Server{
824 ReadTimeout: 5 * time.Second,
825 WriteTimeout: 10 * time.Second,
826 IdleTimeout: 120 * time.Second,
827 Addr: fmt.Sprintf(":%d", port),
828 // TLSConfig: tlsConfig,
829 Handler: wrapped,
830 }
831 log.Fatal(srv.ListenAndServe())
832}