honk.go (view raw)
1//
2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
3//
4// Permission to use, copy, modify, and distribute this software for any
5// purpose with or without fee is hereby granted, provided that the above
6// copyright notice and this permission notice appear in all copies.
7//
8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15
16package main
17
18import (
19 "bytes"
20 "crypto/rand"
21 "crypto/rsa"
22 "database/sql"
23 "fmt"
24 "html/template"
25 "image"
26 _ "image/gif"
27 _ "image/jpeg"
28 _ "image/png"
29 "io"
30 "log"
31 "net/http"
32 "os"
33 "sort"
34 "strings"
35 "sync"
36 "time"
37
38 "github.com/gorilla/mux"
39)
40
41type UserInfo struct {
42 UserID int64
43 Username string
44}
45
46type WhatAbout struct {
47 ID int64
48 Name string
49 Display string
50 About string
51 Key string
52 URL string
53}
54
55type Honk struct {
56 ID int64
57 UserID int64
58 Username string
59 What string
60 Honker string
61 XID string
62 RID string
63 Date time.Time
64 URL string
65 Noise string
66 Audience []string
67 HTML template.HTML
68 Donks []*Donk
69}
70
71type Donk struct {
72 FileID int64
73 XID string
74 Name string
75 URL string
76 Media string
77 Content []byte
78}
79
80type Honker struct {
81 ID int64
82 UserID int64
83 Name string
84 XID string
85 Flavor string
86}
87
88var serverName string
89var iconName = "icon.png"
90
91var readviews *Template
92
93func getInfo(r *http.Request) map[string]interface{} {
94 templinfo := make(map[string]interface{})
95 templinfo["StyleParam"] = getstyleparam("views/style.css")
96 templinfo["LocalStyleParam"] = getstyleparam("views/local.css")
97 templinfo["ServerName"] = serverName
98 templinfo["IconName"] = iconName
99 templinfo["UserInfo"] = GetUserInfo(r)
100 templinfo["LogoutCSRF"] = GetCSRF("logout", r)
101 return templinfo
102}
103
104func homepage(w http.ResponseWriter, r *http.Request) {
105 templinfo := getInfo(r)
106 u := GetUserInfo(r)
107 var honks []*Honk
108 if u != nil {
109 honks = gethonksforuser(u.UserID)
110 templinfo["HonkCSRF"] = GetCSRF("honkhonk", r)
111 } else {
112 honks = gethonks()
113 }
114 sort.Slice(honks, func(i, j int) bool {
115 return honks[i].Date.After(honks[j].Date)
116 })
117 reverbolate(honks)
118
119 var modtime time.Time
120 if len(honks) > 0 {
121 modtime = honks[0].Date
122 }
123 debug := false
124 getconfig("debug", &debug)
125 imh := r.Header.Get("If-Modified-Since")
126 if !debug && imh != "" && !modtime.IsZero() {
127 ifmod, err := time.Parse(http.TimeFormat, imh)
128 if err == nil && !modtime.After(ifmod) {
129 w.WriteHeader(http.StatusNotModified)
130 return
131 }
132 }
133
134 msg := "Things happen."
135 getconfig("servermsg", &msg)
136 templinfo["Honks"] = honks
137 templinfo["ShowRSS"] = true
138 templinfo["ServerMessage"] = msg
139 w.Header().Set("Cache-Control", "max-age=0")
140 w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
141 err := readviews.ExecuteTemplate(w, "homepage.html", templinfo)
142 if err != nil {
143 log.Print(err)
144 }
145}
146
147func showrss(w http.ResponseWriter, r *http.Request) {
148 name := mux.Vars(r)["name"]
149
150 var honks []*Honk
151 if name != "" {
152 honks = gethonksbyuser(name)
153 } else {
154 honks = gethonks()
155 }
156 sort.Slice(honks, func(i, j int) bool {
157 return honks[i].Date.After(honks[j].Date)
158 })
159 reverbolate(honks)
160
161 home := fmt.Sprintf("https://%s/", serverName)
162 base := home
163 if name != "" {
164 home += "u/" + name
165 name += " "
166 }
167 feed := RssFeed{
168 Title: name + "honk",
169 Link: home,
170 Description: name + "honk rss",
171 FeedImage: &RssFeedImage{
172 URL: base + "icon.png",
173 Title: name + "honk rss",
174 Link: home,
175 },
176 }
177 var modtime time.Time
178 past := time.Now().UTC().Add(-3 * 24 * time.Hour)
179 for _, honk := range honks {
180 if honk.Date.Before(past) {
181 break
182 }
183 if honk.URL[0] == '/' {
184 honk.URL = "https://" + serverName + honk.URL
185 }
186 feed.Items = append(feed.Items, &RssItem{
187 Title: fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
188 Description: RssCData{string(honk.HTML)},
189 Link: honk.URL,
190 PubDate: honk.Date.Format(time.RFC1123),
191 })
192 if honk.Date.After(modtime) {
193 modtime = honk.Date
194 }
195 }
196 w.Header().Set("Cache-Control", "max-age=300")
197 w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
198
199 err := feed.Write(w)
200 if err != nil {
201 log.Printf("error writing rss: %s", err)
202 }
203}
204
205func butwhatabout(name string) (*WhatAbout, error) {
206 row := stmtWhatAbout.QueryRow(name)
207 var user WhatAbout
208 err := row.Scan(&user.ID, &user.Name, &user.Display, &user.About, &user.Key)
209 user.URL = fmt.Sprintf("https://%s/u/%s", serverName, user.Name)
210 return &user, err
211}
212
213func crappola(j map[string]interface{}) bool {
214 t, _ := jsongetstring(j, "type")
215 a, _ := jsongetstring(j, "actor")
216 o, _ := jsongetstring(j, "object")
217 if t == "Delete" && a == o {
218 log.Printf("crappola from %s", a)
219 return true
220 }
221 return false
222}
223
224func ping(user *WhatAbout, who string) {
225 inbox, _, err := getboxes(who)
226 if err != nil {
227 log.Printf("no inbox for ping: %s", err)
228 return
229 }
230 j := NewJunk()
231 j["@context"] = itiswhatitis
232 j["type"] = "Ping"
233 j["id"] = user.URL + "/ping/" + xfiltrate()
234 j["actor"] = user.URL
235 j["to"] = who
236 keyname, key := ziggy(user.Name)
237 err = PostJunk(keyname, key, inbox, j)
238 if err != nil {
239 log.Printf("can't send ping: %s", err)
240 return
241 }
242 log.Printf("sent ping to %s: %s", who, j["id"])
243}
244
245func pong(user *WhatAbout, who string, obj string) {
246 inbox, _, err := getboxes(who)
247 if err != nil {
248 log.Printf("no inbox for pong %s : %s", who, err)
249 return
250 }
251 j := NewJunk()
252 j["@context"] = itiswhatitis
253 j["type"] = "Pong"
254 j["id"] = user.URL + "/pong/" + xfiltrate()
255 j["actor"] = user.URL
256 j["to"] = who
257 j["object"] = obj
258 keyname, key := ziggy(user.Name)
259 err = PostJunk(keyname, key, inbox, j)
260 if err != nil {
261 log.Printf("can't send pong: %s", err)
262 return
263 }
264}
265
266func inbox(w http.ResponseWriter, r *http.Request) {
267 name := mux.Vars(r)["name"]
268 user, err := butwhatabout(name)
269 if err != nil {
270 http.NotFound(w, r)
271 return
272 }
273 var buf bytes.Buffer
274 io.Copy(&buf, r.Body)
275 payload := buf.Bytes()
276 j, err := ReadJunk(bytes.NewReader(payload))
277 if err != nil {
278 log.Printf("bad payload: %s", err)
279 io.WriteString(os.Stdout, "bad payload\n")
280 os.Stdout.Write(payload)
281 io.WriteString(os.Stdout, "\n")
282 return
283 }
284 if crappola(j) {
285 return
286 }
287 keyname, err := zag(r, payload)
288 if err != nil {
289 log.Printf("inbox message failed signature: %s", err)
290 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
291 io.WriteString(fd, "bad signature:\n")
292 WriteJunk(fd, j)
293 io.WriteString(fd, "\n")
294 fd.Close()
295 return
296 }
297 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
298 WriteJunk(fd, j)
299 io.WriteString(fd, "\n")
300 fd.Close()
301 who, _ := jsongetstring(j, "actor")
302 if !keymatch(keyname, who) {
303 log.Printf("keyname actor mismatch: %s <> %s", keyname, who)
304 return
305 }
306 what, _ := jsongetstring(j, "type")
307 switch what {
308 case "Ping":
309 obj, _ := jsongetstring(j, "id")
310 log.Printf("ping from %s: %s", who, obj)
311 pong(user, who, obj)
312 case "Pong":
313 obj, _ := jsongetstring(j, "object")
314 log.Printf("pong from %s: %s", who, obj)
315 case "Follow":
316 log.Printf("updating honker follow: %s", who)
317 rubadubdub(user, j)
318 case "Accept":
319 db := opendatabase()
320 log.Printf("updating honker accept: %s", who)
321 db.Exec("update honkers set flavor = 'sub' where xid = ? and flavor = 'presub'", who)
322 case "Undo":
323 obj, ok := jsongetmap(j, "object")
324 if !ok {
325 log.Printf("unknown undo no object")
326 } else {
327 what, _ := jsongetstring(obj, "type")
328 if what != "Follow" {
329 log.Printf("unknown undo: %s", what)
330 } else {
331 log.Printf("updating honker undo: %s", who)
332 db := opendatabase()
333 db.Exec("update honkers set flavor = 'undub' where xid = ? and flavor = 'dub'", who)
334 }
335 }
336 default:
337 xonk := xonkxonk(j)
338 if xonk != nil && needxonk(user, xonk) {
339 xonk.UserID = user.ID
340 savexonk(xonk)
341 }
342 }
343}
344
345func outbox(w http.ResponseWriter, r *http.Request) {
346 name := mux.Vars(r)["name"]
347 user, err := butwhatabout(name)
348 if err != nil {
349 http.NotFound(w, r)
350 return
351 }
352 honks := gethonksbyuser(name)
353
354 var jonks []map[string]interface{}
355 for _, h := range honks {
356 j, _ := jonkjonk(user, h)
357 jonks = append(jonks, j)
358 }
359
360 j := NewJunk()
361 j["@context"] = itiswhatitis
362 j["id"] = user.URL + "/outbox"
363 j["type"] = "OrderedCollection"
364 j["totalItems"] = len(jonks)
365 j["orderedItems"] = jonks
366
367 w.Header().Set("Content-Type", theonetruename)
368 WriteJunk(w, j)
369}
370
371func viewuser(w http.ResponseWriter, r *http.Request) {
372 name := mux.Vars(r)["name"]
373 user, err := butwhatabout(name)
374 if err != nil {
375 http.NotFound(w, r)
376 return
377 }
378 if friendorfoe(r.Header.Get("Accept")) {
379 j := asjonker(user)
380 w.Header().Set("Content-Type", theonetruename)
381 WriteJunk(w, j)
382 return
383 }
384 honks := gethonksbyuser(name)
385 u := GetUserInfo(r)
386 honkpage(w, r, u, user, honks)
387}
388
389func viewhonker(w http.ResponseWriter, r *http.Request) {
390 name := mux.Vars(r)["name"]
391 u := GetUserInfo(r)
392 honks := gethonksbyhonker(u.UserID, name)
393 honkpage(w, r, nil, nil, honks)
394}
395
396func fingerlicker(w http.ResponseWriter, r *http.Request) {
397 orig := r.FormValue("resource")
398
399 log.Printf("finger lick: %s", orig)
400
401 if strings.HasPrefix(orig, "acct:") {
402 orig = orig[5:]
403 }
404
405 name := orig
406 idx := strings.LastIndexByte(name, '/')
407 if idx != -1 {
408 name = name[idx+1:]
409 if "https://"+serverName+"/u/"+name != orig {
410 log.Printf("foreign request rejected")
411 name = ""
412 }
413 } else {
414 idx = strings.IndexByte(name, '@')
415 if idx != -1 {
416 name = name[:idx]
417 if name+"@"+serverName != orig {
418 log.Printf("foreign request rejected")
419 name = ""
420 }
421 }
422 }
423 user, err := butwhatabout(name)
424 if err != nil {
425 http.NotFound(w, r)
426 return
427 }
428
429 j := NewJunk()
430 j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, serverName)
431 j["aliases"] = []string{user.URL}
432 var links []map[string]interface{}
433 l := NewJunk()
434 l["rel"] = "self"
435 l["type"] = `application/activity+json`
436 l["href"] = user.URL
437 links = append(links, l)
438 j["links"] = links
439
440 w.Header().Set("Content-Type", "application/jrd+json")
441 WriteJunk(w, j)
442}
443
444func viewhonk(w http.ResponseWriter, r *http.Request) {
445 name := mux.Vars(r)["name"]
446 xid := mux.Vars(r)["xid"]
447 user, err := butwhatabout(name)
448 if err != nil {
449 http.NotFound(w, r)
450 return
451 }
452 h := getxonk(name, xid)
453 if h == nil {
454 http.NotFound(w, r)
455 return
456 }
457 if friendorfoe(r.Header.Get("Accept")) {
458 _, j := jonkjonk(user, h)
459 j["@context"] = itiswhatitis
460 w.Header().Set("Content-Type", theonetruename)
461 WriteJunk(w, j)
462 return
463 }
464 honkpage(w, r, nil, nil, []*Honk{h})
465}
466
467func honkpage(w http.ResponseWriter, r *http.Request, u *UserInfo, user *WhatAbout, honks []*Honk) {
468 reverbolate(honks)
469 templinfo := getInfo(r)
470 if u != nil && u.Username == user.Name {
471 templinfo["UserCSRF"] = GetCSRF("saveuser", r)
472 templinfo["HonkCSRF"] = GetCSRF("honkhonk", r)
473 }
474 if user != nil {
475 templinfo["Name"] = user.Name
476 whatabout := user.About
477 templinfo["RawWhatAbout"] = whatabout
478 whatabout = obfusbreak(whatabout)
479 templinfo["WhatAbout"] = cleanstring(whatabout)
480 }
481 templinfo["Honks"] = honks
482 err := readviews.ExecuteTemplate(w, "honkpage.html", templinfo)
483 if err != nil {
484 log.Print(err)
485 }
486}
487
488func saveuser(w http.ResponseWriter, r *http.Request) {
489 whatabout := r.FormValue("whatabout")
490 u := GetUserInfo(r)
491 db := opendatabase()
492 _, err := db.Exec("update users set about = ? where username = ?", whatabout, u.Username)
493 if err != nil {
494 log.Printf("error bouting what: %s", err)
495 }
496
497 http.Redirect(w, r, "/u/"+u.Username, http.StatusSeeOther)
498}
499
500func gethonkers(userid int64) []*Honker {
501 rows, err := stmtHonkers.Query(userid)
502 if err != nil {
503 log.Printf("error querying honkers: %s", err)
504 return nil
505 }
506 defer rows.Close()
507 var honkers []*Honker
508 for rows.Next() {
509 var f Honker
510 err = rows.Scan(&f.ID, &f.UserID, &f.Name, &f.XID, &f.Flavor)
511 if err != nil {
512 log.Printf("error scanning honker: %s", err)
513 return nil
514 }
515 honkers = append(honkers, &f)
516 }
517 return honkers
518}
519
520func getdubs(userid int64) []*Honker {
521 rows, err := stmtDubbers.Query(userid)
522 if err != nil {
523 log.Printf("error querying dubs: %s", err)
524 return nil
525 }
526 defer rows.Close()
527 var honkers []*Honker
528 for rows.Next() {
529 var f Honker
530 err = rows.Scan(&f.ID, &f.UserID, &f.Name, &f.XID, &f.Flavor)
531 if err != nil {
532 log.Printf("error scanning honker: %s", err)
533 return nil
534 }
535 honkers = append(honkers, &f)
536 }
537 return honkers
538}
539
540func getxonk(name, xid string) *Honk {
541 var h Honk
542 var dt, aud string
543 row := stmtOneXonk.QueryRow(xid)
544 err := row.Scan(&h.ID, &h.UserID, &h.Username, &h.What, &h.Honker, &h.XID, &h.RID,
545 &dt, &h.URL, &aud, &h.Noise)
546 if err != nil {
547 log.Printf("error scanning xonk: %s", err)
548 return nil
549 }
550 if name != "" && h.Username != name {
551 log.Printf("user xonk mismatch")
552 return nil
553 }
554 h.Date, _ = time.Parse(dbtimeformat, dt)
555 h.Audience = strings.Split(aud, " ")
556 donksforhonks([]*Honk{&h})
557 return &h
558}
559
560func gethonks() []*Honk {
561 rows, err := stmtHonks.Query()
562 return getsomehonks(rows, err)
563}
564func gethonksbyuser(name string) []*Honk {
565 rows, err := stmtUserHonks.Query(name)
566 return getsomehonks(rows, err)
567}
568func gethonksforuser(userid int64) []*Honk {
569 dt := time.Now().UTC().Add(-2 * 24 * time.Hour)
570 rows, err := stmtHonksForUser.Query(userid, dt.Format(dbtimeformat))
571 return getsomehonks(rows, err)
572}
573func gethonksbyhonker(userid int64, honker string) []*Honk {
574 rows, err := stmtHonksByHonker.Query(userid, honker)
575 return getsomehonks(rows, err)
576}
577
578func getsomehonks(rows *sql.Rows, err error) []*Honk {
579 if err != nil {
580 log.Printf("error querying honks: %s", err)
581 return nil
582 }
583 defer rows.Close()
584 var honks []*Honk
585 for rows.Next() {
586 var h Honk
587 var dt, aud string
588 err = rows.Scan(&h.ID, &h.UserID, &h.Username, &h.What, &h.Honker, &h.XID, &h.RID,
589 &dt, &h.URL, &aud, &h.Noise)
590 if err != nil {
591 log.Printf("error scanning honks: %s", err)
592 return nil
593 }
594 h.Date, _ = time.Parse(dbtimeformat, dt)
595 h.Audience = strings.Split(aud, " ")
596 honks = append(honks, &h)
597 }
598 rows.Close()
599 donksforhonks(honks)
600 return honks
601}
602
603func donksforhonks(honks []*Honk) {
604 db := opendatabase()
605 var ids []string
606 hmap := make(map[int64]*Honk)
607 for _, h := range honks {
608 ids = append(ids, fmt.Sprintf("%d", h.ID))
609 hmap[h.ID] = h
610 }
611 q := fmt.Sprintf("select honkid, donks.fileid, xid, name, url, media from donks join files on donks.fileid = files.fileid where honkid in (%s)", strings.Join(ids, ","))
612 rows, err := db.Query(q)
613 if err != nil {
614 log.Printf("error querying donks: %s", err)
615 return
616 }
617 defer rows.Close()
618 for rows.Next() {
619 var hid int64
620 var d Donk
621 err = rows.Scan(&hid, &d.FileID, &d.XID, &d.Name, &d.URL, &d.Media)
622 if err != nil {
623 log.Printf("error scanning donk: %s", err)
624 continue
625 }
626 h := hmap[hid]
627 h.Donks = append(h.Donks, &d)
628 }
629}
630
631func savebonk(w http.ResponseWriter, r *http.Request) {
632 xid := r.FormValue("xid")
633
634 log.Printf("bonking %s", xid)
635
636 xonk := getxonk("", xid)
637 if xonk == nil {
638 return
639 }
640 if xonk.Honker == "" {
641 xonk.XID = fmt.Sprintf("https://%s/u/%s/h/%s", serverName, xonk.Username, xonk.XID)
642 }
643
644 userinfo := GetUserInfo(r)
645
646 dt := time.Now().UTC()
647 bonk := Honk{
648 UserID: userinfo.UserID,
649 Username: userinfo.Username,
650 Honker: xonk.Honker,
651 What: "bonk",
652 XID: xonk.XID,
653 Date: dt,
654 Noise: xonk.Noise,
655 Donks: xonk.Donks,
656 Audience: oneofakind(prepend(thewholeworld, xonk.Audience)),
657 }
658
659 aud := strings.Join(bonk.Audience, " ")
660 res, err := stmtSaveHonk.Exec(userinfo.UserID, "bonk", "", xid, "",
661 dt.Format(dbtimeformat), "", aud, bonk.Noise)
662 if err != nil {
663 log.Printf("error saving bonk: %s", err)
664 return
665 }
666 bonk.ID, _ = res.LastInsertId()
667 for _, d := range bonk.Donks {
668 _, err = stmtSaveDonk.Exec(bonk.ID, d.FileID)
669 if err != nil {
670 log.Printf("err saving donk: %s", err)
671 return
672 }
673 }
674
675 user, _ := butwhatabout(userinfo.Username)
676
677 go honkworldwide(user, &bonk)
678
679}
680
681func savehonk(w http.ResponseWriter, r *http.Request) {
682 rid := r.FormValue("rid")
683 noise := r.FormValue("noise")
684
685 userinfo := GetUserInfo(r)
686
687 dt := time.Now().UTC()
688 xid := xfiltrate()
689 if xid == "" {
690 return
691 }
692 what := "honk"
693 if rid != "" {
694 what = "tonk"
695 }
696 honk := Honk{
697 UserID: userinfo.UserID,
698 Username: userinfo.Username,
699 What: "honk",
700 XID: xid,
701 RID: rid,
702 Date: dt,
703 }
704 if noise[0] == '@' {
705 honk.Audience = append(grapevine(noise), thewholeworld)
706 } else {
707 honk.Audience = append([]string{thewholeworld}, grapevine(noise)...)
708 }
709 if rid != "" {
710 xonk := getxonk("", rid)
711 if xonk != nil {
712 honk.Audience = append(honk.Audience, xonk.Audience...)
713 } else {
714 xonkaud := whosthere(rid)
715 honk.Audience = append(honk.Audience, xonkaud...)
716 }
717 }
718 honk.Audience = oneofakind(honk.Audience)
719 noise = obfusbreak(noise)
720 honk.Noise = noise
721
722 file, _, err := r.FormFile("donk")
723 if err == nil {
724 var buf bytes.Buffer
725 io.Copy(&buf, file)
726 file.Close()
727 data := buf.Bytes()
728 img, format, err := image.Decode(&buf)
729 if err != nil {
730 log.Printf("bad image: %s", err)
731 return
732 }
733 data, format, err = vacuumwrap(img, format)
734 if err != nil {
735 log.Printf("can't vacuum image: %s", err)
736 return
737 }
738 name := xfiltrate()
739 media := "image/" + format
740 if format == "jpeg" {
741 format = "jpg"
742 }
743 name = name + "." + format
744 url := fmt.Sprintf("https://%s/d/%s", serverName, name)
745 res, err := stmtSaveFile.Exec(name, name, url, media, data)
746 if err != nil {
747 log.Printf("unable to save image: %s", err)
748 return
749 }
750 var d Donk
751 d.FileID, _ = res.LastInsertId()
752 d.XID = name
753 d.Name = name
754 d.Media = media
755 d.URL = url
756 honk.Donks = append(honk.Donks, &d)
757 }
758 herd := herdofemus(honk.Noise)
759 for _, e := range herd {
760 donk := savedonk(e.ID, e.Name, "image/png")
761 if donk != nil {
762 honk.Donks = append(honk.Donks, donk)
763 }
764 }
765
766 aud := strings.Join(honk.Audience, " ")
767 res, err := stmtSaveHonk.Exec(userinfo.UserID, what, "", xid, rid,
768 dt.Format(dbtimeformat), "", aud, noise)
769 if err != nil {
770 log.Printf("error saving honk: %s", err)
771 return
772 }
773 honk.ID, _ = res.LastInsertId()
774 for _, d := range honk.Donks {
775 _, err = stmtSaveDonk.Exec(honk.ID, d.FileID)
776 if err != nil {
777 log.Printf("err saving donk: %s", err)
778 return
779 }
780 }
781
782 user, _ := butwhatabout(userinfo.Username)
783
784 go honkworldwide(user, &honk)
785
786 http.Redirect(w, r, "/", http.StatusSeeOther)
787}
788
789func showhonkers(w http.ResponseWriter, r *http.Request) {
790 userinfo := GetUserInfo(r)
791 templinfo := getInfo(r)
792 templinfo["Honkers"] = gethonkers(userinfo.UserID)
793 templinfo["HonkerCSRF"] = GetCSRF("savehonker", r)
794 err := readviews.ExecuteTemplate(w, "honkers.html", templinfo)
795 if err != nil {
796 log.Print(err)
797 }
798}
799
800var handfull = make(map[string]string)
801var handlock sync.Mutex
802
803func gofish(name string) string {
804 if name[0] == '@' {
805 name = name[1:]
806 }
807 m := strings.Split(name, "@")
808 if len(m) != 2 {
809 log.Printf("bad fish name: %s", name)
810 return ""
811 }
812 handlock.Lock()
813 defer handlock.Unlock()
814 ref, ok := handfull[name]
815 if ok {
816 return ref
817 }
818 j, err := GetJunk(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
819 if err != nil {
820 log.Printf("failed to go fish %s: %s", name, err)
821 handfull[name] = ""
822 return ""
823 }
824 links, _ := jsongetarray(j, "links")
825 for _, l := range links {
826 href, _ := jsongetstring(l, "href")
827 rel, _ := jsongetstring(l, "rel")
828 t, _ := jsongetstring(l, "type")
829 if rel == "self" && friendorfoe(t) {
830 handfull[name] = href
831 return href
832 }
833 }
834 handfull[name] = ""
835 return ""
836}
837
838func savehonker(w http.ResponseWriter, r *http.Request) {
839 name := r.FormValue("name")
840 url := r.FormValue("url")
841 peep := r.FormValue("peep")
842 flavor := "presub"
843 if peep == "peep" {
844 flavor = "peep"
845 }
846
847 if url == "" {
848 return
849 }
850 if url[0] == '@' {
851 url = gofish(url)
852 }
853 if url == "" {
854 return
855 }
856
857 u := GetUserInfo(r)
858 db := opendatabase()
859 _, err := db.Exec("insert into honkers (userid, name, xid, flavor) values (?, ?, ?, ?)",
860 u.UserID, name, url, flavor)
861 if err != nil {
862 log.Print(err)
863 }
864 if flavor == "presub" {
865 user, _ := butwhatabout(u.Username)
866 go subsub(user, url)
867 }
868 http.Redirect(w, r, "/honkers", http.StatusSeeOther)
869}
870
871func avatate(w http.ResponseWriter, r *http.Request) {
872 n := r.FormValue("a")
873 a := avatar(n)
874 w.Header().Set("Cache-Control", "max-age=432000")
875 w.Write(a)
876}
877
878func servecss(w http.ResponseWriter, r *http.Request) {
879 w.Header().Set("Cache-Control", "max-age=7776000")
880 http.ServeFile(w, r, "views"+r.URL.Path)
881}
882func servehtml(w http.ResponseWriter, r *http.Request) {
883 templinfo := getInfo(r)
884 err := readviews.ExecuteTemplate(w, r.URL.Path[1:]+".html", templinfo)
885 if err != nil {
886 log.Print(err)
887 }
888}
889func serveemu(w http.ResponseWriter, r *http.Request) {
890 xid := mux.Vars(r)["xid"]
891 w.Header().Set("Cache-Control", "max-age=432000")
892 http.ServeFile(w, r, "emus/"+xid)
893}
894
895func servefile(w http.ResponseWriter, r *http.Request) {
896 xid := mux.Vars(r)["xid"]
897 row := stmtFileData.QueryRow(xid)
898 var data []byte
899 err := row.Scan(&data)
900 if err != nil {
901 log.Printf("error loading file: %s", err)
902 http.NotFound(w, r)
903 return
904 }
905 w.Header().Set("Cache-Control", "max-age=432000")
906 w.Write(data)
907}
908
909func serve() {
910 db := opendatabase()
911 LoginInit(db)
912
913 listener, err := openListener()
914 if err != nil {
915 log.Fatal(err)
916 }
917 debug := false
918 getconfig("debug", &debug)
919 readviews = ParseTemplates(debug,
920 "views/homepage.html",
921 "views/honkpage.html",
922 "views/honkers.html",
923 "views/honkform.html",
924 "views/honk.html",
925 "views/login.html",
926 "views/header.html",
927 )
928 if !debug {
929 s := "views/style.css"
930 savedstyleparams[s] = getstyleparam(s)
931 s = "views/local.css"
932 savedstyleparams[s] = getstyleparam(s)
933 }
934
935 mux := mux.NewRouter()
936 mux.Use(LoginChecker)
937
938 posters := mux.Methods("POST").Subrouter()
939 getters := mux.Methods("GET").Subrouter()
940
941 getters.HandleFunc("/", homepage)
942 getters.HandleFunc("/rss", showrss)
943 getters.HandleFunc("/u/{name:[[:alnum:]]+}", viewuser)
944 getters.HandleFunc("/u/{name:[[:alnum:]]+}/h/{xid:[[:alnum:]]+}", viewhonk)
945 getters.HandleFunc("/u/{name:[[:alnum:]]+}/rss", showrss)
946 posters.HandleFunc("/u/{name:[[:alnum:]]+}/inbox", inbox)
947 getters.HandleFunc("/u/{name:[[:alnum:]]+}/outbox", outbox)
948 getters.HandleFunc("/a", avatate)
949 getters.HandleFunc("/d/{xid:[[:alnum:].]+}", servefile)
950 getters.HandleFunc("/emu/{xid:[[:alnum:]_.]+}", serveemu)
951 getters.HandleFunc("/h/{name:[[:alnum:]]+}", viewhonker)
952 getters.HandleFunc("/.well-known/webfinger", fingerlicker)
953
954 getters.HandleFunc("/style.css", servecss)
955 getters.HandleFunc("/local.css", servecss)
956 getters.HandleFunc("/login", servehtml)
957 posters.HandleFunc("/dologin", dologin)
958 getters.HandleFunc("/logout", dologout)
959
960 loggedin := mux.NewRoute().Subrouter()
961 loggedin.Use(LoginRequired)
962 loggedin.Handle("/honk", CSRFWrap("honkhonk", http.HandlerFunc(savehonk)))
963 loggedin.Handle("/bonk", CSRFWrap("honkhonk", http.HandlerFunc(savebonk)))
964 loggedin.Handle("/saveuser", CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
965 loggedin.HandleFunc("/honkers", showhonkers)
966 loggedin.Handle("/savehonker", CSRFWrap("savehonker", http.HandlerFunc(savehonker)))
967
968 err = http.Serve(listener, mux)
969 if err != nil {
970 log.Fatal(err)
971 }
972}
973
974var stmtHonkers, stmtDubbers, stmtOneXonk, stmtHonks, stmtUserHonks *sql.Stmt
975var stmtHonksForUser, stmtDeleteHonk, stmtSaveDub *sql.Stmt
976var stmtHonksByHonker, stmtSaveHonk, stmtFileData, stmtWhatAbout *sql.Stmt
977var stmtFindXonk, stmtSaveDonk, stmtFindFile, stmtSaveFile *sql.Stmt
978
979func prepareStatements(db *sql.DB) {
980 var err error
981 stmtHonkers, err = db.Prepare("select honkerid, userid, name, xid, flavor from honkers where userid = ? and flavor = 'sub' or flavor = 'peep'")
982 if err != nil {
983 log.Fatal(err)
984 }
985 stmtDubbers, err = db.Prepare("select honkerid, userid, name, xid, flavor from honkers where userid = ? and flavor = 'dub'")
986 if err != nil {
987 log.Fatal(err)
988 }
989 stmtOneXonk, err = db.Prepare("select honkid, honks.userid, users.username, what, honker, xid, rid, dt, url, audience, noise from honks join users on honks.userid = users.userid where xid = ?")
990 if err != nil {
991 log.Fatal(err)
992 }
993 stmtHonks, err = db.Prepare("select honkid, honks.userid, users.username, what, honker, xid, rid, dt, url, audience, noise from honks join users on honks.userid = users.userid where honker = '' order by honkid desc limit 50")
994 if err != nil {
995 log.Fatal(err)
996 }
997 stmtUserHonks, err = db.Prepare("select honkid, honks.userid, username, what, honker, xid, rid, dt, url, audience, noise from honks join users on honks.userid = users.userid where honker = '' and username = ? order by honkid desc limit 50")
998 if err != nil {
999 log.Fatal(err)
1000 }
1001 stmtHonksForUser, err = db.Prepare("select honkid, honks.userid, users.username, what, honker, xid, rid, dt, url, audience, noise from honks join users on honks.userid = users.userid where honks.userid = ? and dt > ? order by honkid desc limit 250")
1002 if err != nil {
1003 log.Fatal(err)
1004 }
1005 stmtHonksByHonker, err = db.Prepare("select honkid, honks.userid, users.username, what, honker, honks.xid, rid, dt, url, audience, noise from honks join users on honks.userid = users.userid join honkers on honkers.xid = honks.honker where honks.userid = ? and honkers.name = ? order by honkid desc limit 50")
1006 if err != nil {
1007 log.Fatal(err)
1008 }
1009 stmtSaveHonk, err = db.Prepare("insert into honks (userid, what, honker, xid, rid, dt, url, audience, noise) values (?, ?, ?, ?, ?, ?, ?, ?, ?)")
1010 if err != nil {
1011 log.Fatal(err)
1012 }
1013 stmtFileData, err = db.Prepare("select content from files where xid = ?")
1014 if err != nil {
1015 log.Fatal(err)
1016 }
1017 stmtFindXonk, err = db.Prepare("select honkid from honks where userid = ? and xid = ?")
1018 if err != nil {
1019 log.Fatal(err)
1020 }
1021 stmtSaveDonk, err = db.Prepare("insert into donks (honkid, fileid) values (?, ?)")
1022 if err != nil {
1023 log.Fatal(err)
1024 }
1025 stmtDeleteHonk, err = db.Prepare("update honks set what = 'zonk' where xid = ? and honker = ?")
1026 if err != nil {
1027 log.Fatal(err)
1028 }
1029 stmtFindFile, err = db.Prepare("select fileid from files where url = ?")
1030 if err != nil {
1031 log.Fatal(err)
1032 }
1033 stmtSaveFile, err = db.Prepare("insert into files (xid, name, url, media, content) values (?, ?, ?, ?, ?)")
1034 if err != nil {
1035 log.Fatal(err)
1036 }
1037 stmtWhatAbout, err = db.Prepare("select userid, username, displayname, about, pubkey from users where username = ?")
1038 if err != nil {
1039 log.Fatal(err)
1040 }
1041 stmtSaveDub, err = db.Prepare("insert into honkers (userid, name, xid, flavor) values (?, ?, ?, ?)")
1042 if err != nil {
1043 log.Fatal(err)
1044 }
1045}
1046
1047func ElaborateUnitTests() {
1048}
1049
1050func finishusersetup() error {
1051 db := opendatabase()
1052 k, err := rsa.GenerateKey(rand.Reader, 2048)
1053 if err != nil {
1054 return err
1055 }
1056 pubkey, err := zem(&k.PublicKey)
1057 if err != nil {
1058 return err
1059 }
1060 seckey, err := zem(k)
1061 if err != nil {
1062 return err
1063 }
1064 _, err = db.Exec("update users set displayname = username, about = ?, pubkey = ?, seckey = ? where userid = 1", "what about me?", pubkey, seckey)
1065 if err != nil {
1066 return err
1067 }
1068 return nil
1069}
1070
1071func main() {
1072 cmd := "run"
1073 if len(os.Args) > 1 {
1074 cmd = os.Args[1]
1075 }
1076 if cmd != "init" {
1077 db := opendatabase()
1078 prepareStatements(db)
1079 getconfig("servername", &serverName)
1080 }
1081 switch cmd {
1082 case "ping":
1083 if len(os.Args) < 4 {
1084 fmt.Printf("usage: honk ping from to\n")
1085 return
1086 }
1087 name := os.Args[2]
1088 targ := os.Args[3]
1089 user, err := butwhatabout(name)
1090 if err != nil {
1091 log.Printf("unknown user")
1092 return
1093 }
1094 ping(user, targ)
1095 case "peep":
1096 peeppeep()
1097 case "init":
1098 initdb()
1099 case "run":
1100 serve()
1101 case "test":
1102 ElaborateUnitTests()
1103 default:
1104 log.Fatal("unknown command")
1105 }
1106}