activity.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 "context"
21 "crypto/tls"
22 "database/sql"
23 "fmt"
24 "html"
25 "io"
26 notrand "math/rand"
27 "net/http"
28 "os"
29 "regexp"
30 "strings"
31 "time"
32
33 "humungus.tedunangst.com/r/webs/gate"
34 "humungus.tedunangst.com/r/webs/gencache"
35 "humungus.tedunangst.com/r/webs/httpsig"
36 "humungus.tedunangst.com/r/webs/junk"
37 "humungus.tedunangst.com/r/webs/templates"
38)
39
40var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
41var thefakename = `application/activity+json`
42var falsenames = []string{
43 `application/ld+json`,
44 `application/activity+json`,
45}
46
47const itiswhatitis = "https://www.w3.org/ns/activitystreams"
48const thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
49const tinyworld = "as:Public"
50
51var fastTimeout time.Duration = 5
52var slowTimeout time.Duration = 30
53
54func friendorfoe(ct string) bool {
55 ct = strings.ToLower(ct)
56 for _, at := range falsenames {
57 if strings.HasPrefix(ct, at) {
58 return true
59 }
60 }
61 return false
62}
63
64var honkTransport = http.Transport{
65 MaxIdleConns: 120,
66 MaxConnsPerHost: 4,
67}
68
69var honkClient = http.Client{
70 Transport: &honkTransport,
71}
72
73func gogglesDoNothing() {
74 honkTransport.TLSClientConfig = &tls.Config{
75 InsecureSkipVerify: true,
76 }
77}
78
79func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
80 return PostMsg(keyname, key, url, j.ToBytes())
81}
82
83func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
84 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
85 if err != nil {
86 return err
87 }
88 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
89 req.Header.Set("Content-Type", theonetruename)
90 httpsig.SignRequest(keyname, key, req, msg)
91 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
92 defer cancel()
93 req = req.WithContext(ctx)
94 resp, err := honkClient.Do(req)
95 if err != nil {
96 return err
97 }
98 defer resp.Body.Close()
99 switch resp.StatusCode {
100 case 200:
101 case 201:
102 case 202:
103 default:
104 var buf [4096]byte
105 n, _ := resp.Body.Read(buf[:])
106 dlog.Printf("post failure message: %s", buf[:n])
107 return fmt.Errorf("http post status: %d", resp.StatusCode)
108 }
109 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
110 return nil
111}
112
113func GetJunk(userid int64, url string) (junk.Junk, error) {
114 return GetJunkTimeout(userid, url, slowTimeout*time.Second, nil)
115}
116
117func GetJunkFast(userid int64, url string) (junk.Junk, error) {
118 return GetJunkTimeout(userid, url, fastTimeout*time.Second, nil)
119}
120
121func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
122 j, err := GetJunk(userid, url)
123 if err != nil {
124 emsg := err.Error()
125 if emsg == "http get status: 429" || emsg == "http get status: 502" ||
126 strings.Contains(emsg, "timeout") {
127 ilog.Printf("trying %s again after error: %s", url, emsg)
128 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
129 j, err = GetJunk(userid, url)
130 if err != nil {
131 ilog.Printf("still couldn't get %s", url)
132 } else {
133 ilog.Printf("retry success!")
134 }
135 }
136 }
137 return j, err
138}
139
140var flightdeck = gate.NewSerializer()
141
142func GetJunkTimeout(userid int64, url string, timeout time.Duration, final *string) (junk.Junk, error) {
143 if rejectorigin(userid, url, false) {
144 return nil, fmt.Errorf("rejected origin: %s", url)
145 }
146 if final != nil {
147 *final = url
148 }
149 sign := func(req *http.Request) error {
150 ki := ziggy(userid)
151 if ki != nil {
152 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
153 }
154 return nil
155 }
156 if develMode {
157 sign = nil
158 }
159 client := honkClient
160 client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
161 if len(via) >= 5 {
162 return fmt.Errorf("stopped after 5 redirects")
163 }
164 if final != nil {
165 *final = req.URL.String()
166 }
167 if sign != nil {
168 sign(req)
169 }
170 return nil
171 }
172 fn := func() (interface{}, error) {
173 at := theonetruename
174 if strings.Contains(url, ".well-known/webfinger?resource") {
175 at = "application/jrd+json"
176 }
177 j, err := junk.Get(url, junk.GetArgs{
178 Accept: at,
179 Agent: "honksnonk/5.0; " + serverName,
180 Timeout: timeout,
181 Client: &client,
182 Fixup: sign,
183 })
184 return j, err
185 }
186
187 ji, err := flightdeck.Call(url, fn)
188 if err != nil {
189 return nil, err
190 }
191 j := ji.(junk.Junk)
192 return j, nil
193}
194
195func fetchsome(url string) ([]byte, error) {
196 req, err := http.NewRequest("GET", url, nil)
197 if err != nil {
198 ilog.Printf("error fetching %s: %s", url, err)
199 return nil, err
200 }
201 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
202 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
203 defer cancel()
204 req = req.WithContext(ctx)
205 resp, err := honkClient.Do(req)
206 if err != nil {
207 ilog.Printf("error fetching %s: %s", url, err)
208 return nil, err
209 }
210 defer resp.Body.Close()
211 switch resp.StatusCode {
212 case 200:
213 case 201:
214 case 202:
215 default:
216 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
217 }
218 var buf bytes.Buffer
219 limiter := io.LimitReader(resp.Body, 10*1024*1024)
220 io.Copy(&buf, limiter)
221 return buf.Bytes(), nil
222}
223
224func savedonk(url string, name, desc, media string, localize bool) *Donk {
225 if url == "" {
226 return nil
227 }
228 if donk := finddonk(url); donk != nil {
229 return donk
230 }
231 ilog.Printf("saving donk: %s", url)
232 data := []byte{}
233 if localize {
234 fn := func() (interface{}, error) {
235 return fetchsome(url)
236 }
237 ii, err := flightdeck.Call(url, fn)
238 if err != nil {
239 ilog.Printf("error fetching donk: %s", err)
240 localize = false
241 goto saveit
242 }
243 data = ii.([]byte)
244
245 if len(data) == 10*1024*1024 {
246 ilog.Printf("truncation likely")
247 }
248 if strings.HasPrefix(media, "image") {
249 img, err := shrinkit(data)
250 if err != nil {
251 ilog.Printf("unable to decode image: %s", err)
252 localize = false
253 data = []byte{}
254 goto saveit
255 }
256 data = img.Data
257 media = "image/" + img.Format
258 } else if media == "application/pdf" {
259 if len(data) > 1000000 {
260 ilog.Printf("not saving large pdf")
261 localize = false
262 data = []byte{}
263 }
264 } else if len(data) > 100000 {
265 ilog.Printf("not saving large attachment")
266 localize = false
267 data = []byte{}
268 }
269 }
270saveit:
271 fileid, err := savefile(name, desc, url, media, localize, data)
272 if err != nil {
273 elog.Printf("error saving file %s: %s", url, err)
274 return nil
275 }
276 donk := new(Donk)
277 donk.FileID = fileid
278 return donk
279}
280
281func iszonked(userid int64, xid string) bool {
282 var id int64
283 row := stmtFindZonk.QueryRow(userid, xid)
284 err := row.Scan(&id)
285 if err == nil {
286 return true
287 }
288 if err != sql.ErrNoRows {
289 ilog.Printf("error querying zonk: %s", err)
290 }
291 return false
292}
293
294func needxonk(user *WhatAbout, x *Honk) bool {
295 if rejectxonk(x) {
296 return false
297 }
298 return needxonkid(user, x.XID)
299}
300func needbonkid(user *WhatAbout, xid string) bool {
301 return needxonkidX(user, xid, true)
302}
303func needxonkid(user *WhatAbout, xid string) bool {
304 return needxonkidX(user, xid, false)
305}
306func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
307 if !strings.HasPrefix(xid, "https://") {
308 return false
309 }
310 if strings.HasPrefix(xid, user.URL+"/") {
311 return false
312 }
313 if rejectorigin(user.ID, xid, isannounce) {
314 ilog.Printf("rejecting origin: %s", xid)
315 return false
316 }
317 if iszonked(user.ID, xid) {
318 ilog.Printf("already zonked: %s", xid)
319 return false
320 }
321 var id int64
322 row := stmtFindXonk.QueryRow(user.ID, xid)
323 err := row.Scan(&id)
324 if err == nil {
325 return false
326 }
327 if err != sql.ErrNoRows {
328 ilog.Printf("error querying xonk: %s", err)
329 }
330 return true
331}
332
333func eradicatexonk(userid int64, xid string) {
334 xonk := getxonk(userid, xid)
335 if xonk != nil {
336 deletehonk(xonk.ID)
337 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
338 if err != nil {
339 elog.Printf("error eradicating: %s", err)
340 }
341 }
342}
343
344func savexonk(x *Honk) {
345 ilog.Printf("saving xonk: %s", x.XID)
346 go handles(x.Honker)
347 go handles(x.Oonker)
348 savehonk(x)
349}
350
351type Box struct {
352 In string
353 Out string
354 Shared string
355}
356
357var boxofboxes = gencache.New(gencache.Options[string, *Box]{Fill: func(ident string) (*Box, bool) {
358 var info string
359 row := stmtGetXonker.QueryRow(ident, "boxes")
360 err := row.Scan(&info)
361 if err != nil {
362 dlog.Printf("need to get boxes for %s", ident)
363 var j junk.Junk
364 j, err = GetJunk(readyLuserOne, ident)
365 if err != nil {
366 dlog.Printf("error getting boxes: %s", err)
367 return nil, false
368 }
369 allinjest(originate(ident), j)
370 row = stmtGetXonker.QueryRow(ident, "boxes")
371 err = row.Scan(&info)
372 }
373 if err == nil {
374 m := strings.Split(info, " ")
375 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
376 return b, true
377 }
378 return nil, false
379}})
380
381var gettergate = gate.NewLimiter(1)
382
383func getsomemore(user *WhatAbout, page string) {
384 time.Sleep(5 * time.Second)
385 gettergate.Start()
386 defer gettergate.Finish()
387 gimmexonks(user, page)
388}
389
390func gimmexonks(user *WhatAbout, outbox string) {
391 dlog.Printf("getting outbox: %s", outbox)
392 j, err := GetJunk(user.ID, outbox)
393 if err != nil {
394 ilog.Printf("error getting outbox: %s", err)
395 return
396 }
397 t, _ := j.GetString("type")
398 origin := originate(outbox)
399 if t == "OrderedCollection" || t == "CollectionPage" {
400 items, _ := j.GetArray("orderedItems")
401 if items == nil {
402 items, _ = j.GetArray("items")
403 }
404 if items == nil {
405 obj, ok := j.GetMap("first")
406 if ok {
407 items, _ = obj.GetArray("orderedItems")
408 } else {
409 page1, ok := j.GetString("first")
410 if ok {
411 j, err = GetJunk(user.ID, page1)
412 if err != nil {
413 ilog.Printf("error getting page1: %s", err)
414 return
415 }
416 items, _ = j.GetArray("orderedItems")
417 }
418 }
419 }
420 if len(items) > 20 {
421 items = items[0:20]
422 }
423 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
424 items[i], items[j] = items[j], items[i]
425 }
426 for _, item := range items {
427 obj, ok := item.(junk.Junk)
428 if ok {
429 xonksaver(user, obj, origin)
430 continue
431 }
432 xid, ok := item.(string)
433 if ok {
434 if !needxonkid(user, xid) {
435 continue
436 }
437 obj, err = GetJunk(user.ID, xid)
438 if err != nil {
439 ilog.Printf("error getting item: %s", err)
440 continue
441 }
442 xonksaver(user, obj, originate(xid))
443 }
444 }
445 }
446}
447
448func newphone(a []string, obj junk.Junk) []string {
449 for _, addr := range []string{"to", "cc", "attributedTo"} {
450 who, _ := obj.GetString(addr)
451 if who != "" {
452 a = append(a, who)
453 }
454 whos, _ := obj.GetArray(addr)
455 for _, w := range whos {
456 who, _ := w.(string)
457 if who != "" {
458 a = append(a, who)
459 }
460 }
461 }
462 return a
463}
464
465func extractattrto(obj junk.Junk) string {
466 arr := oneforall(obj, "attributedTo")
467 for _, a := range arr {
468 s, ok := a.(string)
469 if ok {
470 return s
471 }
472 o, ok := a.(junk.Junk)
473 if ok {
474 t, _ := o.GetString("type")
475 id, _ := o.GetString("id")
476 if t == "Person" || t == "" {
477 return id
478 }
479 }
480 }
481 return ""
482}
483
484func oneforall(obj junk.Junk, key string) []interface{} {
485 if val, ok := obj.GetMap(key); ok {
486 return []interface{}{val}
487 }
488 if str, ok := obj.GetString(key); ok {
489 return []interface{}{str}
490 }
491 arr, _ := obj.GetArray(key)
492 return arr
493}
494
495func firstofmany(obj junk.Junk, key string) string {
496 if val, _ := obj.GetString(key); val != "" {
497 return val
498 }
499 if arr, _ := obj.GetArray(key); len(arr) > 0 {
500 val, ok := arr[0].(string)
501 if ok {
502 return val
503 }
504 }
505 return ""
506}
507
508var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
509var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)(@[[:alnum:].]+)?/([[:digit:]]+)`)
510var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
511var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
512var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
513var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
514var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
515
516func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
517 depth := 0
518 maxdepth := 10
519 currenttid := ""
520 goingup := 0
521 var xonkxonkfn func(junk.Junk, string, bool, string) *Honk
522
523 qutify := func(user *WhatAbout, qurl, content string) string {
524 if depth >= maxdepth {
525 ilog.Printf("in too deep")
526 return content
527 }
528 // well this is gross
529 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
530 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
531 mlinks := re_qtlinks.FindAllString(malcontent, -1)
532 if qurl != "" {
533 mlinks = append(mlinks, ">"+qurl+"<")
534 }
535 for _, m := range mlinks {
536 tryit := false
537 m = m[1 : len(m)-1]
538 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
539 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
540 re_roma1ink.MatchString(m) {
541 tryit = true
542 } else if re_masto1ink.MatchString(m) {
543 tryit = true
544 }
545 if tryit {
546 var prefix string
547 if m == qurl {
548 prefix += fmt.Sprintf("<p><a href=\"%s\">%s</a>", m, m)
549 }
550 var final string
551 if x := getxonk(user.ID, m); x != nil {
552 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, x.Noise)
553 } else if j, err := GetJunkTimeout(user.ID, m, fastTimeout*time.Second, &final); err == nil {
554 q, ok := j.GetString("content")
555 if ok {
556 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, q)
557 }
558 prevdepth := depth
559 depth = maxdepth
560 xonkxonkfn(j, originate(final), false, "")
561 depth = prevdepth
562 }
563 }
564 }
565 return content
566 }
567
568 saveonemore := func(xid string) {
569 dlog.Printf("getting onemore: %s", xid)
570 if depth >= maxdepth {
571 ilog.Printf("in too deep")
572 return
573 }
574 obj, err := GetJunkHardMode(user.ID, xid)
575 if err != nil {
576 ilog.Printf("error getting onemore: %s: %s", xid, err)
577 return
578 }
579 xonkxonkfn(obj, originate(xid), false, "")
580 }
581
582 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
583 id, _ := item.GetString("id")
584 what := firstofmany(item, "type")
585 dt, ok := item.GetString("published")
586 if !ok {
587 dt = time.Now().Format(time.RFC3339)
588 }
589 if depth >= maxdepth+5 {
590 ilog.Printf("went too deep in xonkxonk")
591 return nil
592 }
593 depth++
594 defer func() { depth-- }()
595
596 var err error
597 var xid, rid, url, convoy string
598 var replies []string
599 var obj junk.Junk
600 waspage := false
601 preferorig := false
602 switch what {
603 case "Delete":
604 obj, ok = item.GetMap("object")
605 if ok {
606 xid, _ = obj.GetString("id")
607 } else {
608 xid, _ = item.GetString("object")
609 }
610 if xid == "" {
611 return nil
612 }
613 if originate(xid) != origin {
614 ilog.Printf("forged delete: %s", xid)
615 return nil
616 }
617 ilog.Printf("eradicating %s", xid)
618 eradicatexonk(user.ID, xid)
619 return nil
620 case "Remove":
621 xid, _ = item.GetString("object")
622 targ, _ := obj.GetString("target")
623 ilog.Printf("remove %s from %s", obj, targ)
624 return nil
625 case "Tombstone":
626 xid, _ = item.GetString("id")
627 if xid == "" {
628 return nil
629 }
630 if originate(xid) != origin {
631 ilog.Printf("forged delete: %s", xid)
632 return nil
633 }
634 ilog.Printf("eradicating %s", xid)
635 eradicatexonk(user.ID, xid)
636 return nil
637 case "Announce":
638 obj, ok = item.GetMap("object")
639 if ok {
640 // peek ahead some
641 what := firstofmany(obj, "type")
642 if what == "Create" || what == "Update" {
643 if what == "Update" {
644 isUpdate = true
645 }
646 inner, ok := obj.GetMap("object")
647 if ok {
648 obj = inner
649 } else {
650 xid, _ = obj.GetString("object")
651 }
652 }
653 if xid == "" {
654 xid, _ = obj.GetString("id")
655 }
656 } else {
657 xid, _ = item.GetString("object")
658 }
659 if !isUpdate && !needbonkid(user, xid) {
660 return nil
661 }
662 bonker, _ = item.GetString("actor")
663 origin = originate(xid)
664 if ok && originate(id) == origin {
665 dlog.Printf("using object in announce for %s", xid)
666 } else {
667 dlog.Printf("getting bonk: %s", xid)
668 obj, err = GetJunkHardMode(user.ID, xid)
669 if err != nil {
670 ilog.Printf("error getting bonk: %s: %s", xid, err)
671 return nil
672 }
673 }
674 return xonkxonkfn(obj, origin, isUpdate, bonker)
675 case "Update":
676 isUpdate = true
677 fallthrough
678 case "Create":
679 obj, ok = item.GetMap("object")
680 if !ok {
681 xid, _ = item.GetString("object")
682 dlog.Printf("getting created honk: %s", xid)
683 if originate(xid) != origin {
684 ilog.Printf("out of bounds %s not from %s", xid, origin)
685 return nil
686 }
687 obj, err = GetJunkHardMode(user.ID, xid)
688 if err != nil {
689 ilog.Printf("error getting creation: %s", err)
690 }
691 }
692 if obj == nil {
693 ilog.Printf("no object for creation %s", id)
694 return nil
695 }
696 return xonkxonkfn(obj, origin, isUpdate, bonker)
697 case "Read":
698 xid, ok = item.GetString("object")
699 if ok {
700 if !needxonkid(user, xid) {
701 dlog.Printf("don't need read obj: %s", xid)
702 return nil
703 }
704 obj, err = GetJunkHardMode(user.ID, xid)
705 if err != nil {
706 ilog.Printf("error getting read: %s", err)
707 return nil
708 }
709 return xonkxonkfn(obj, originate(xid), false, "")
710 }
711 return nil
712 case "Add":
713 xid, ok = item.GetString("object")
714 if ok {
715 // check target...
716 if !needxonkid(user, xid) {
717 dlog.Printf("don't need added obj: %s", xid)
718 return nil
719 }
720 obj, err = GetJunkHardMode(user.ID, xid)
721 if err != nil {
722 ilog.Printf("error getting add: %s", err)
723 return nil
724 }
725 return xonkxonkfn(obj, originate(xid), false, "")
726 }
727 return nil
728 case "Move":
729 obj = item
730 what = "move"
731 case "Page":
732 waspage = true
733 fallthrough
734 case "Audio":
735 fallthrough
736 case "Image":
737 if what == "Image" {
738 preferorig = true
739 }
740 fallthrough
741 case "Video":
742 fallthrough
743 case "Question":
744 fallthrough
745 case "Note":
746 fallthrough
747 case "Article":
748 obj = item
749 what = "honk"
750 case "Event":
751 obj = item
752 what = "event"
753 case "ChatMessage":
754 bonker = ""
755 obj = item
756 what = "chonk"
757 default:
758 ilog.Printf("unknown activity: %s", what)
759 dumpactivity(item)
760 return nil
761 }
762 if bonker != "" {
763 what = "bonk"
764 }
765
766 if obj != nil {
767 xid, _ = obj.GetString("id")
768 }
769
770 if xid == "" {
771 ilog.Printf("don't know what xid is")
772 item.Write(ilog.Writer())
773 return nil
774 }
775 if originate(xid) != origin {
776 if !develMode && origin != "" {
777 ilog.Printf("original sin: %s not from %s", xid, origin)
778 item.Write(ilog.Writer())
779 return nil
780 }
781 }
782
783 var xonk Honk
784 // early init
785 xonk.XID = xid
786 xonk.UserID = user.ID
787 xonk.Honker, _ = item.GetString("actor")
788 if xonk.Honker == "" {
789 xonk.Honker, _ = item.GetString("attributedTo")
790 }
791 if obj != nil {
792 if xonk.Honker == "" {
793 xonk.Honker = extractattrto(obj)
794 }
795 if bonker != "" {
796 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
797 }
798 if xonk.Oonker == xonk.Honker {
799 xonk.Oonker = ""
800 }
801 xonk.Audience = newphone(nil, obj)
802 }
803 xonk.Audience = append(xonk.Audience, xonk.Honker)
804 xonk.Audience = oneofakind(xonk.Audience)
805 for i, a := range xonk.Audience {
806 if a == tinyworld {
807 xonk.Audience[i] = thewholeworld
808 }
809 }
810 xonk.Public = loudandproud(xonk.Audience)
811
812 var mentions []Mention
813 if obj != nil {
814 ot := firstofmany(obj, "type")
815 url, _ = obj.GetString("url")
816 if dt2, ok := obj.GetString("published"); ok {
817 dt = dt2
818 }
819 content, _ := obj.GetString("content")
820 if !strings.HasPrefix(content, "<p>") {
821 content = "<p>" + content
822 }
823 precis, _ := obj.GetString("summary")
824 if name, ok := obj.GetString("name"); ok {
825 if precis != "" {
826 content = precis + "<p>" + content
827 }
828 precis = html.EscapeString(name)
829 }
830 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
831 precis = "unspecified horror"
832 }
833 if waspage {
834 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
835 url = xid
836 }
837 if user.Options.InlineQuotes {
838 qurl, _ := obj.GetString("quoteUrl")
839 content = qutify(user, qurl, content)
840 }
841 rid, ok = obj.GetString("inReplyTo")
842 if !ok {
843 if robj, ok := obj.GetMap("inReplyTo"); ok {
844 rid, _ = robj.GetString("id")
845 }
846 }
847 convoy, _ = obj.GetString("context")
848 if convoy == "" {
849 convoy, _ = obj.GetString("conversation")
850 }
851 if ot == "Question" {
852 if what == "honk" {
853 what = "qonk"
854 }
855 content += "<ul>"
856 ans, _ := obj.GetArray("oneOf")
857 for _, ai := range ans {
858 a, ok := ai.(junk.Junk)
859 if !ok {
860 continue
861 }
862 as, _ := a.GetString("name")
863 content += "<li>" + as
864 }
865 ans, _ = obj.GetArray("anyOf")
866 for _, ai := range ans {
867 a, ok := ai.(junk.Junk)
868 if !ok {
869 continue
870 }
871 as, _ := a.GetString("name")
872 content += "<li>" + as
873 }
874 content += "</ul>"
875 }
876 if ot == "Move" {
877 targ, _ := obj.GetString("target")
878 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
879 }
880 if len(content) > 90001 {
881 ilog.Printf("content too long. truncating")
882 content = content[:90001]
883 }
884
885 xonk.Noise = content
886 xonk.Precis = precis
887 if rejectxonk(&xonk) {
888 dlog.Printf("fast reject: %s", xid)
889 return nil
890 }
891
892 numatts := 0
893 procatt := func(att junk.Junk) {
894 at, _ := att.GetString("type")
895 mt, _ := att.GetString("mediaType")
896 if mt == "" {
897 mt = "image"
898 }
899 u, ok := att.GetString("url")
900 if !ok {
901 u, ok = att.GetString("href")
902 }
903 if !ok {
904 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
905 u, ok = ua[0].(string)
906 if !ok {
907 if uu, ok := ua[0].(junk.Junk); ok {
908 u, _ = uu.GetString("href")
909 if mt == "" {
910 mt, _ = uu.GetString("mediaType")
911 }
912 }
913 }
914 } else if uu, ok := att.GetMap("url"); ok {
915 u, _ = uu.GetString("href")
916 if mt == "" {
917 mt, _ = uu.GetString("mediaType")
918 }
919 }
920 }
921 name, _ := att.GetString("name")
922 desc, _ := att.GetString("summary")
923 desc = html.UnescapeString(desc)
924 if desc == "" {
925 desc = name
926 }
927 localize := false
928 if at == "Document" || at == "Image" {
929 mt = strings.ToLower(mt)
930 dlog.Printf("attachment: %s %s", mt, u)
931 if mt == "text/plain" || mt == "application/pdf" ||
932 strings.HasPrefix(mt, "image") {
933 if numatts > 4 {
934 ilog.Printf("excessive attachment: %s", at)
935 } else {
936 localize = true
937 }
938 }
939 } else if at == "Link" {
940 if waspage {
941 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
942 return
943 }
944 if name == "" {
945 name = u
946 }
947 } else {
948 ilog.Printf("unknown attachment: %s", at)
949 }
950 if skipMedia(&xonk) {
951 localize = false
952 }
953 if preferorig && !localize {
954 return
955 }
956 donk := savedonk(u, name, desc, mt, localize)
957 if donk != nil {
958 xonk.Donks = append(xonk.Donks, donk)
959 }
960 numatts++
961 }
962 if img, ok := obj.GetMap("image"); ok {
963 procatt(img)
964 }
965 if preferorig {
966 atts, _ := obj.GetArray("url")
967 for _, atti := range atts {
968 att, ok := atti.(junk.Junk)
969 if !ok {
970 ilog.Printf("attachment that wasn't map?")
971 continue
972 }
973 procatt(att)
974 }
975 if numatts == 0 {
976 preferorig = false
977 }
978 }
979 if !preferorig {
980 atts := oneforall(obj, "attachment")
981 for _, atti := range atts {
982 att, ok := atti.(junk.Junk)
983 if !ok {
984 ilog.Printf("attachment that wasn't map?")
985 continue
986 }
987 procatt(att)
988 }
989 }
990 proctag := func(tag junk.Junk) {
991 tt, _ := tag.GetString("type")
992 name, _ := tag.GetString("name")
993 desc, _ := tag.GetString("summary")
994 desc = html.UnescapeString(desc)
995 if desc == "" {
996 desc = name
997 }
998 if tt == "Emoji" {
999 icon, _ := tag.GetMap("icon")
1000 mt, _ := icon.GetString("mediaType")
1001 if mt == "" {
1002 mt = "image/png"
1003 }
1004 u, _ := icon.GetString("url")
1005 donk := savedonk(u, name, desc, mt, true)
1006 if donk != nil {
1007 xonk.Donks = append(xonk.Donks, donk)
1008 }
1009 }
1010 if tt == "Hashtag" {
1011 if name == "" || name == "#" {
1012 // skip it
1013 } else {
1014 if name[0] != '#' {
1015 name = "#" + name
1016 }
1017 xonk.Onts = append(xonk.Onts, name)
1018 }
1019 }
1020 if tt == "Place" {
1021 p := new(Place)
1022 p.Name = name
1023 p.Latitude, _ = tag.GetNumber("latitude")
1024 p.Longitude, _ = tag.GetNumber("longitude")
1025 p.Url, _ = tag.GetString("url")
1026 xonk.Place = p
1027 }
1028 if tt == "Mention" {
1029 var m Mention
1030 m.Who, _ = tag.GetString("name")
1031 m.Where, _ = tag.GetString("href")
1032 mentions = append(mentions, m)
1033 }
1034 }
1035 tags := oneforall(obj, "tag")
1036 for _, tagi := range tags {
1037 tag, ok := tagi.(junk.Junk)
1038 if !ok {
1039 continue
1040 }
1041 proctag(tag)
1042 }
1043 if starttime, ok := obj.GetString("startTime"); ok {
1044 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1045 t := new(Time)
1046 t.StartTime = start
1047 endtime, _ := obj.GetString("endTime")
1048 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1049 dura, _ := obj.GetString("duration")
1050 if strings.HasPrefix(dura, "PT") {
1051 dura = strings.ToLower(dura[2:])
1052 d, _ := time.ParseDuration(dura)
1053 t.Duration = Duration(d)
1054 }
1055 xonk.Time = t
1056 }
1057 }
1058 if loca, ok := obj.GetMap("location"); ok {
1059 if tt, _ := loca.GetString("type"); tt == "Place" {
1060 p := new(Place)
1061 p.Name, _ = loca.GetString("name")
1062 p.Latitude, _ = loca.GetNumber("latitude")
1063 p.Longitude, _ = loca.GetNumber("longitude")
1064 p.Url, _ = loca.GetString("url")
1065 xonk.Place = p
1066 }
1067 }
1068
1069 xonk.Onts = oneofakind(xonk.Onts)
1070 replyobj, ok := obj.GetMap("replies")
1071 if ok {
1072 items, ok := replyobj.GetArray("items")
1073 if !ok {
1074 first, ok := replyobj.GetMap("first")
1075 if ok {
1076 items, _ = first.GetArray("items")
1077 }
1078 }
1079 for _, repl := range items {
1080 s, ok := repl.(string)
1081 if ok {
1082 replies = append(replies, s)
1083 }
1084 }
1085 }
1086
1087 }
1088
1089 if currenttid == "" {
1090 currenttid = convoy
1091 }
1092
1093 // init xonk
1094 xonk.What = what
1095 xonk.RID = rid
1096 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1097 xonk.URL = url
1098 xonk.Format = "html"
1099 xonk.Convoy = convoy
1100 xonk.Mentions = mentions
1101 for _, m := range mentions {
1102 if m.Where == user.URL {
1103 xonk.Whofore = 1
1104 }
1105 }
1106 imaginate(&xonk)
1107
1108 if what == "chonk" {
1109 target, _ := obj.GetString("to")
1110 if target == user.URL {
1111 target = xonk.Honker
1112 }
1113 ch := Chonk{
1114 UserID: xonk.UserID,
1115 XID: xid,
1116 Who: xonk.Honker,
1117 Target: target,
1118 Date: xonk.Date,
1119 Noise: xonk.Noise,
1120 Format: xonk.Format,
1121 Donks: xonk.Donks,
1122 }
1123 savechonk(&ch)
1124 return nil
1125 }
1126
1127 if isUpdate {
1128 dlog.Printf("something has changed! %s", xonk.XID)
1129 prev := getxonk(user.ID, xonk.XID)
1130 if prev == nil {
1131 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1132 isUpdate = false
1133 } else {
1134 xonk.ID = prev.ID
1135 updatehonk(&xonk)
1136 }
1137 }
1138 if !isUpdate && needxonk(user, &xonk) {
1139 if rid != "" && xonk.Public {
1140 if needxonkid(user, rid) {
1141 goingup++
1142 saveonemore(rid)
1143 goingup--
1144 }
1145 if convoy == "" {
1146 xx := getxonk(user.ID, rid)
1147 if xx != nil {
1148 convoy = xx.Convoy
1149 }
1150 }
1151 }
1152 if convoy == "" {
1153 convoy = currenttid
1154 }
1155 if convoy == "" {
1156 convoy = xonk.XID
1157 currenttid = convoy
1158 }
1159 xonk.Convoy = convoy
1160 savexonk(&xonk)
1161 }
1162 if goingup == 0 {
1163 for _, replid := range replies {
1164 if needxonkid(user, replid) {
1165 dlog.Printf("missing a reply: %s", replid)
1166 saveonemore(replid)
1167 }
1168 }
1169 }
1170 return &xonk
1171 }
1172
1173 return xonkxonkfn(item, origin, false, "")
1174}
1175
1176func dumpactivity(item junk.Junk) {
1177 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1178 if err != nil {
1179 elog.Printf("error opening inbox! %s", err)
1180 return
1181 }
1182 defer fd.Close()
1183 item.Write(fd)
1184 io.WriteString(fd, "\n")
1185}
1186
1187func rubadubdub(user *WhatAbout, req junk.Junk) {
1188 actor, _ := req.GetString("actor")
1189 j := junk.New()
1190 j["@context"] = itiswhatitis
1191 j["id"] = user.URL + "/dub/" + xfiltrate()
1192 j["type"] = "Accept"
1193 j["actor"] = user.URL
1194 j["to"] = actor
1195 j["published"] = time.Now().UTC().Format(time.RFC3339)
1196 j["object"] = req
1197
1198 deliverate(user.ID, actor, j.ToBytes())
1199}
1200
1201func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1202 j := junk.New()
1203 j["@context"] = itiswhatitis
1204 j["id"] = user.URL + "/unsub/" + folxid
1205 j["type"] = "Undo"
1206 j["actor"] = user.URL
1207 j["to"] = owner
1208 f := junk.New()
1209 f["id"] = user.URL + "/sub/" + folxid
1210 f["type"] = "Follow"
1211 f["actor"] = user.URL
1212 f["to"] = owner
1213 f["object"] = xid
1214 j["object"] = f
1215 j["published"] = time.Now().UTC().Format(time.RFC3339)
1216
1217 deliverate(user.ID, owner, j.ToBytes())
1218}
1219
1220func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1221 if xid == "" {
1222 ilog.Printf("can't subscribe to empty")
1223 return
1224 }
1225 j := junk.New()
1226 j["@context"] = itiswhatitis
1227 j["id"] = user.URL + "/sub/" + folxid
1228 j["type"] = "Follow"
1229 j["actor"] = user.URL
1230 j["to"] = owner
1231 j["object"] = xid
1232 j["published"] = time.Now().UTC().Format(time.RFC3339)
1233
1234 deliverate(user.ID, owner, j.ToBytes())
1235}
1236
1237func activatedonks(donks []*Donk) []junk.Junk {
1238 var atts []junk.Junk
1239 for _, d := range donks {
1240 if re_emus.MatchString(d.Name) {
1241 continue
1242 }
1243 jd := junk.New()
1244 jd["mediaType"] = d.Media
1245 jd["name"] = d.Name
1246 jd["summary"] = html.EscapeString(d.Desc)
1247 jd["type"] = "Document"
1248 jd["url"] = d.URL
1249 atts = append(atts, jd)
1250 }
1251 return atts
1252}
1253
1254// returns activity, object
1255func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1256 dt := h.Date.Format(time.RFC3339)
1257 var jo junk.Junk
1258 j := junk.New()
1259 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1260 j["actor"] = user.URL
1261 j["published"] = dt
1262 j["to"] = h.Audience[0]
1263 if len(h.Audience) > 1 {
1264 j["cc"] = h.Audience[1:]
1265 }
1266
1267 switch h.What {
1268 case "update":
1269 fallthrough
1270 case "event":
1271 fallthrough
1272 case "honk":
1273 j["type"] = "Create"
1274 jo = junk.New()
1275 jo["id"] = h.XID
1276 jo["type"] = "Note"
1277 if h.What == "event" {
1278 jo["type"] = "Event"
1279 }
1280 if h.What == "update" {
1281 j["type"] = "Update"
1282 jo["updated"] = dt
1283 }
1284 jo["published"] = dt
1285 jo["url"] = h.XID
1286 jo["attributedTo"] = user.URL
1287 if h.RID != "" {
1288 jo["inReplyTo"] = h.RID
1289 }
1290 if h.Convoy != "" {
1291 jo["context"] = h.Convoy
1292 jo["conversation"] = h.Convoy
1293 }
1294 jo["to"] = h.Audience[0]
1295 if len(h.Audience) > 1 {
1296 jo["cc"] = h.Audience[1:]
1297 }
1298 if !h.Public {
1299 jo["directMessage"] = true
1300 }
1301 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1302 translate(h)
1303 redoimages(h)
1304 if h.Precis != "" {
1305 jo["sensitive"] = true
1306 }
1307
1308 var replies []string
1309 for _, reply := range h.Replies {
1310 replies = append(replies, reply.XID)
1311 }
1312 if len(replies) > 0 {
1313 jr := junk.New()
1314 jr["type"] = "Collection"
1315 jr["totalItems"] = len(replies)
1316 jr["items"] = replies
1317 jo["replies"] = jr
1318 }
1319
1320 var tags []junk.Junk
1321 for _, m := range h.Mentions {
1322 t := junk.New()
1323 t["type"] = "Mention"
1324 t["name"] = m.Who
1325 t["href"] = m.Where
1326 tags = append(tags, t)
1327 }
1328 for _, o := range h.Onts {
1329 t := junk.New()
1330 t["type"] = "Hashtag"
1331 o = strings.ToLower(o)
1332 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1333 t["name"] = o
1334 tags = append(tags, t)
1335 }
1336 for _, e := range herdofemus(h.Noise) {
1337 t := junk.New()
1338 t["id"] = e.ID
1339 t["type"] = "Emoji"
1340 t["name"] = e.Name
1341 i := junk.New()
1342 i["type"] = "Image"
1343 i["mediaType"] = e.Type
1344 i["url"] = e.ID
1345 t["icon"] = i
1346 tags = append(tags, t)
1347 }
1348 for _, e := range fixupflags(h) {
1349 t := junk.New()
1350 t["id"] = e.ID
1351 t["type"] = "Emoji"
1352 t["name"] = e.Name
1353 i := junk.New()
1354 i["type"] = "Image"
1355 i["mediaType"] = "image/png"
1356 i["url"] = e.ID
1357 t["icon"] = i
1358 tags = append(tags, t)
1359 }
1360 if len(tags) > 0 {
1361 jo["tag"] = tags
1362 }
1363 if p := h.Place; p != nil {
1364 t := junk.New()
1365 t["type"] = "Place"
1366 if p.Name != "" {
1367 t["name"] = p.Name
1368 }
1369 if p.Latitude != 0 {
1370 t["latitude"] = p.Latitude
1371 }
1372 if p.Longitude != 0 {
1373 t["longitude"] = p.Longitude
1374 }
1375 if p.Url != "" {
1376 t["url"] = p.Url
1377 }
1378 jo["location"] = t
1379 }
1380 if t := h.Time; t != nil {
1381 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1382 if t.Duration != 0 {
1383 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1384 }
1385 }
1386 atts := activatedonks(h.Donks)
1387 if len(atts) > 0 {
1388 jo["attachment"] = atts
1389 }
1390 jo["summary"] = h.Precis
1391 jo["content"] = h.Noise
1392 j["object"] = jo
1393 case "bonk":
1394 j["type"] = "Announce"
1395 if h.Convoy != "" {
1396 j["context"] = h.Convoy
1397 }
1398 j["object"] = h.XID
1399 case "unbonk":
1400 b := junk.New()
1401 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1402 b["type"] = "Announce"
1403 b["actor"] = user.URL
1404 if h.Convoy != "" {
1405 b["context"] = h.Convoy
1406 }
1407 b["object"] = h.XID
1408 j["type"] = "Undo"
1409 j["object"] = b
1410 case "zonk":
1411 j["type"] = "Delete"
1412 j["object"] = h.XID
1413 case "ack":
1414 j["type"] = "Read"
1415 j["object"] = h.XID
1416 if h.Convoy != "" {
1417 j["context"] = h.Convoy
1418 }
1419 case "react":
1420 j["type"] = "EmojiReact"
1421 j["object"] = h.XID
1422 if h.Convoy != "" {
1423 j["context"] = h.Convoy
1424 }
1425 j["content"] = h.Noise
1426 case "deack":
1427 b := junk.New()
1428 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1429 b["type"] = "Read"
1430 b["actor"] = user.URL
1431 b["object"] = h.XID
1432 if h.Convoy != "" {
1433 b["context"] = h.Convoy
1434 }
1435 j["type"] = "Undo"
1436 j["object"] = b
1437 }
1438
1439 return j, jo
1440}
1441
1442var oldjonks = gencache.New(gencache.Options[string, []byte]{Fill: func(xid string) ([]byte, bool) {
1443 row := stmtAnyXonk.QueryRow(xid)
1444 honk := scanhonk(row)
1445 if honk == nil || !honk.Public {
1446 return nil, true
1447 }
1448 user, _ := butwhatabout(honk.Username)
1449 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1450 reversehonks(rawhonks)
1451 for _, h := range rawhonks {
1452 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1453 honk.Replies = append(honk.Replies, h)
1454 }
1455 }
1456 donksforhonks([]*Honk{honk})
1457 _, j := jonkjonk(user, honk)
1458 if j == nil {
1459 elog.Fatalf("what just happened? %v", honk)
1460 }
1461 j["@context"] = itiswhatitis
1462
1463 return j.ToBytes(), true
1464}, Limit: 128})
1465
1466func gimmejonk(xid string) ([]byte, bool) {
1467 j, ok := oldjonks.Get(xid)
1468 return j, ok
1469}
1470
1471func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1472 rcpts := make(map[string]bool)
1473 for _, a := range addresses {
1474 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1475 continue
1476 }
1477 if a[0] == '%' {
1478 rcpts[a] = true
1479 continue
1480 }
1481 box, ok := boxofboxes.Get(a)
1482 if ok && useshared && box.Shared != "" {
1483 rcpts["%"+box.Shared] = true
1484 } else {
1485 rcpts[a] = true
1486 }
1487 }
1488 return rcpts
1489}
1490
1491func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1492 dt := ch.Date.Format(time.RFC3339)
1493 aud := []string{ch.Target}
1494
1495 jo := junk.New()
1496 jo["id"] = ch.XID
1497 jo["type"] = "ChatMessage"
1498 jo["published"] = dt
1499 jo["attributedTo"] = user.URL
1500 jo["to"] = aud
1501 jo["content"] = ch.HTML
1502 atts := activatedonks(ch.Donks)
1503 if len(atts) > 0 {
1504 jo["attachment"] = atts
1505 }
1506 var tags []junk.Junk
1507 for _, e := range herdofemus(ch.Noise) {
1508 t := junk.New()
1509 t["id"] = e.ID
1510 t["type"] = "Emoji"
1511 t["name"] = e.Name
1512 i := junk.New()
1513 i["type"] = "Image"
1514 i["mediaType"] = e.Type
1515 i["url"] = e.ID
1516 t["icon"] = i
1517 tags = append(tags, t)
1518 }
1519 if len(tags) > 0 {
1520 jo["tag"] = tags
1521 }
1522
1523 j := junk.New()
1524 j["@context"] = itiswhatitis
1525 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1526 j["type"] = "Create"
1527 j["actor"] = user.URL
1528 j["published"] = dt
1529 j["to"] = aud
1530 j["object"] = jo
1531
1532 return j.ToBytes()
1533}
1534
1535func sendchonk(user *WhatAbout, ch *Chonk) {
1536 msg := chonkifymsg(user, ch)
1537
1538 rcpts := make(map[string]bool)
1539 rcpts[ch.Target] = true
1540 for a := range rcpts {
1541 go deliverate(user.ID, a, msg)
1542 }
1543}
1544
1545func honkworldwide(user *WhatAbout, honk *Honk) {
1546 jonk, _ := jonkjonk(user, honk)
1547 jonk["@context"] = itiswhatitis
1548 msg := jonk.ToBytes()
1549
1550 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1551
1552 if honk.Public {
1553 for _, h := range getdubs(user.ID) {
1554 if h.XID == user.URL {
1555 continue
1556 }
1557 box, ok := boxofboxes.Get(h.XID)
1558 if ok && box.Shared != "" {
1559 rcpts["%"+box.Shared] = true
1560 } else {
1561 rcpts[h.XID] = true
1562 }
1563 }
1564 for _, f := range getbacktracks(honk.XID) {
1565 if f[0] == '%' {
1566 rcpts[f] = true
1567 } else {
1568 box, ok := boxofboxes.Get(f)
1569 if ok && box.Shared != "" {
1570 rcpts["%"+box.Shared] = true
1571 } else {
1572 rcpts[f] = true
1573 }
1574 }
1575 }
1576 }
1577 for a := range rcpts {
1578 go deliverate(user.ID, a, msg)
1579 }
1580 if honk.Public && len(honk.Onts) > 0 {
1581 collectiveaction(honk)
1582 }
1583}
1584
1585func collectiveaction(honk *Honk) {
1586 user := getserveruser()
1587 for _, ont := range honk.Onts {
1588 dubs := getnameddubs(readyLuserOne, ont)
1589 if len(dubs) == 0 {
1590 continue
1591 }
1592 j := junk.New()
1593 j["@context"] = itiswhatitis
1594 j["type"] = "Add"
1595 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1596 j["actor"] = user.URL
1597 j["object"] = honk.XID
1598 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1599 rcpts := make(map[string]bool)
1600 for _, dub := range dubs {
1601 box, ok := boxofboxes.Get(dub.XID)
1602 if ok && box.Shared != "" {
1603 rcpts["%"+box.Shared] = true
1604 } else {
1605 rcpts[dub.XID] = true
1606 }
1607 }
1608 msg := j.ToBytes()
1609 for a := range rcpts {
1610 go deliverate(user.ID, a, msg)
1611 }
1612 }
1613}
1614
1615func junkuser(user *WhatAbout) junk.Junk {
1616 j := junk.New()
1617 j["@context"] = itiswhatitis
1618 j["id"] = user.URL
1619 j["inbox"] = user.URL + "/inbox"
1620 j["outbox"] = user.URL + "/outbox"
1621 j["name"] = user.Display
1622 j["preferredUsername"] = user.Name
1623 j["summary"] = user.HTAbout
1624 var tags []junk.Junk
1625 for _, o := range user.Onts {
1626 t := junk.New()
1627 t["type"] = "Hashtag"
1628 o = strings.ToLower(o)
1629 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1630 t["name"] = o
1631 tags = append(tags, t)
1632 }
1633 if len(tags) > 0 {
1634 j["tag"] = tags
1635 }
1636
1637 if user.ID > 0 {
1638 j["type"] = "Person"
1639 j["url"] = user.URL
1640 j["followers"] = user.URL + "/followers"
1641 j["following"] = user.URL + "/following"
1642 a := junk.New()
1643 a["type"] = "Image"
1644 a["mediaType"] = "image/png"
1645 a["url"] = avatarURL(user)
1646 j["icon"] = a
1647 if ban := user.Options.Banner; ban != "" {
1648 a := junk.New()
1649 a["type"] = "Image"
1650 a["mediaType"] = "image/jpg"
1651 a["url"] = ban
1652 j["image"] = a
1653 }
1654 } else {
1655 j["type"] = "Service"
1656 }
1657 k := junk.New()
1658 k["id"] = user.URL + "#key"
1659 k["owner"] = user.URL
1660 k["publicKeyPem"] = user.Key
1661 j["publicKey"] = k
1662
1663 return j
1664}
1665
1666var oldjonkers = gencache.New(gencache.Options[string, []byte]{Fill: func(name string) ([]byte, bool) {
1667 user, err := butwhatabout(name)
1668 if err != nil {
1669 return nil, false
1670 }
1671 j := junkuser(user)
1672 return j.ToBytes(), true
1673}, Duration: 1 * time.Minute})
1674
1675func asjonker(name string) ([]byte, bool) {
1676 j, ok := oldjonkers.Get(name)
1677 return j, ok
1678}
1679
1680var handfull = gencache.New(gencache.Options[string, string]{Fill: func(name string) (string, bool) {
1681 m := strings.Split(name, "@")
1682 if len(m) != 2 {
1683 dlog.Printf("bad fish name: %s", name)
1684 return "", true
1685 }
1686 var href string
1687 row := stmtGetXonker.QueryRow(name, "fishname")
1688 err := row.Scan(&href)
1689 if err == nil {
1690 return href, true
1691 }
1692 dlog.Printf("fishing for %s", name)
1693 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1694 if err != nil {
1695 ilog.Printf("failed to go fish %s: %s", name, err)
1696 return "", true
1697 }
1698 links, _ := j.GetArray("links")
1699 for _, li := range links {
1700 l, ok := li.(junk.Junk)
1701 if !ok {
1702 continue
1703 }
1704 href, _ := l.GetString("href")
1705 rel, _ := l.GetString("rel")
1706 t, _ := l.GetString("type")
1707 if rel == "self" && friendorfoe(t) {
1708 when := time.Now().UTC().Format(dbtimeformat)
1709 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1710 if err != nil {
1711 elog.Printf("error saving fishname: %s", err)
1712 }
1713 return href, true
1714 }
1715 }
1716 return href, true
1717}, Duration: 1 * time.Minute})
1718
1719func gofish(name string) string {
1720 if name[0] == '@' {
1721 name = name[1:]
1722 }
1723 href, _ := handfull.Get(name)
1724 return href
1725}
1726
1727func investigate(name string) (*SomeThing, error) {
1728 if name == "" {
1729 return nil, fmt.Errorf("no name")
1730 }
1731 if name[0] == '@' {
1732 name = gofish(name)
1733 }
1734 if name == "" {
1735 return nil, fmt.Errorf("no name")
1736 }
1737 obj, err := GetJunkFast(readyLuserOne, name)
1738 if err != nil {
1739 return nil, err
1740 }
1741 allinjest(originate(name), obj)
1742 return somethingabout(obj)
1743}
1744
1745func somethingabout(obj junk.Junk) (*SomeThing, error) {
1746 info := new(SomeThing)
1747 t, _ := obj.GetString("type")
1748 isowned := false
1749 switch t {
1750 case "Person":
1751 fallthrough
1752 case "Group":
1753 fallthrough
1754 case "Organization":
1755 fallthrough
1756 case "Application":
1757 fallthrough
1758 case "Service":
1759 info.What = SomeActor
1760 case "OrderedCollection":
1761 isowned = true
1762 fallthrough
1763 case "Collection":
1764 info.What = SomeCollection
1765 default:
1766 return nil, fmt.Errorf("unknown object type")
1767 }
1768 info.XID, _ = obj.GetString("id")
1769 info.Name, _ = obj.GetString("preferredUsername")
1770 if info.Name == "" {
1771 info.Name, _ = obj.GetString("name")
1772 }
1773 if isowned {
1774 info.Owner, _ = obj.GetString("attributedTo")
1775 }
1776 if info.Owner == "" {
1777 info.Owner = info.XID
1778 }
1779 return info, nil
1780}
1781
1782func allinjest(origin string, obj junk.Junk) {
1783 keyobj, ok := obj.GetMap("publicKey")
1784 if ok {
1785 ingestpubkey(origin, keyobj)
1786 }
1787 ingestboxes(origin, obj)
1788 ingesthandle(origin, obj)
1789}
1790
1791func ingestpubkey(origin string, obj junk.Junk) {
1792 keyobj, ok := obj.GetMap("publicKey")
1793 if ok {
1794 obj = keyobj
1795 }
1796 keyname, ok := obj.GetString("id")
1797 var data string
1798 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1799 err := row.Scan(&data)
1800 if err == nil {
1801 return
1802 }
1803 if !ok || origin != originate(keyname) {
1804 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1805 return
1806 }
1807 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1808 owner, ok := obj.GetString("owner")
1809 if !ok {
1810 ilog.Printf("error finding %s pubkey owner", keyname)
1811 return
1812 }
1813 data, ok = obj.GetString("publicKeyPem")
1814 if !ok {
1815 ilog.Printf("error finding %s pubkey", keyname)
1816 return
1817 }
1818 if originate(owner) != origin {
1819 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1820 return
1821 }
1822 _, _, err = httpsig.DecodeKey(data)
1823 if err != nil {
1824 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1825 return
1826 }
1827 when := time.Now().UTC().Format(dbtimeformat)
1828 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1829 if err != nil {
1830 elog.Printf("error saving key: %s", err)
1831 }
1832}
1833
1834func ingestboxes(origin string, obj junk.Junk) {
1835 ident, _ := obj.GetString("id")
1836 if ident == "" {
1837 return
1838 }
1839 if originate(ident) != origin {
1840 return
1841 }
1842 var info string
1843 row := stmtGetXonker.QueryRow(ident, "boxes")
1844 err := row.Scan(&info)
1845 if err == nil {
1846 return
1847 }
1848 dlog.Printf("ingesting boxes: %s", ident)
1849 inbox, _ := obj.GetString("inbox")
1850 outbox, _ := obj.GetString("outbox")
1851 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1852 if inbox != "" {
1853 when := time.Now().UTC().Format(dbtimeformat)
1854 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1855 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1856 if err != nil {
1857 elog.Printf("error saving boxes: %s", err)
1858 }
1859 }
1860}
1861
1862func ingesthandle(origin string, obj junk.Junk) {
1863 xid, _ := obj.GetString("id")
1864 if xid == "" {
1865 return
1866 }
1867 if originate(xid) != origin {
1868 return
1869 }
1870 var handle string
1871 row := stmtGetXonker.QueryRow(xid, "handle")
1872 err := row.Scan(&handle)
1873 if err == nil {
1874 return
1875 }
1876 handle, _ = obj.GetString("preferredUsername")
1877 if handle != "" {
1878 when := time.Now().UTC().Format(dbtimeformat)
1879 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1880 if err != nil {
1881 elog.Printf("error saving handle: %s", err)
1882 }
1883 }
1884}
1885
1886func updateMe(username string) {
1887 user, _ := somenamedusers.Get(username)
1888 dt := time.Now().UTC().Format(time.RFC3339)
1889 j := junk.New()
1890 j["@context"] = itiswhatitis
1891 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1892 j["actor"] = user.URL
1893 j["published"] = dt
1894 j["to"] = thewholeworld
1895 j["type"] = "Update"
1896 j["object"] = junkuser(user)
1897
1898 msg := j.ToBytes()
1899
1900 rcpts := make(map[string]bool)
1901 for _, f := range getdubs(user.ID) {
1902 if f.XID == user.URL {
1903 continue
1904 }
1905 box, ok := boxofboxes.Get(f.XID)
1906 if ok && box.Shared != "" {
1907 rcpts["%"+box.Shared] = true
1908 } else {
1909 rcpts[f.XID] = true
1910 }
1911 }
1912 for a := range rcpts {
1913 go deliverate(user.ID, a, msg)
1914 }
1915}
1916
1917func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1918 folxid, _ := j.GetString("id")
1919
1920 ilog.Printf("updating honker follow: %s %s", who, folxid)
1921
1922 var x string
1923 db := opendatabase()
1924 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1925 err := row.Scan(&x)
1926 if err != sql.ErrNoRows {
1927 ilog.Printf("duplicate follow request: %s", who)
1928 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1929 if err != nil {
1930 elog.Printf("error updating honker: %s", err)
1931 }
1932 } else {
1933 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1934 }
1935 go rubadubdub(user, j)
1936}
1937
1938func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1939 var folxid string
1940 if who == "" {
1941 folxid, _ = j.GetString("object")
1942
1943 db := opendatabase()
1944 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1945 err := row.Scan(&who, &name)
1946 if err != nil {
1947 if err != sql.ErrNoRows {
1948 elog.Printf("error scanning honker: %s", err)
1949 }
1950 return
1951 }
1952 }
1953
1954 ilog.Printf("updating honker undo: %s %s", who, folxid)
1955 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1956 if err != nil {
1957 elog.Printf("error updating honker: %s", err)
1958 return
1959 }
1960}
1961
1962func followyou(user *WhatAbout, honkerid int64, sync bool) {
1963 var url, owner string
1964 db := opendatabase()
1965 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1966 honkerid, user.ID)
1967 err := row.Scan(&url, &owner)
1968 if err != nil {
1969 elog.Printf("can't get honker xid: %s", err)
1970 return
1971 }
1972 folxid := xfiltrate()
1973 ilog.Printf("subscribing to %s", url)
1974 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1975 if err != nil {
1976 elog.Printf("error updating honker: %s", err)
1977 return
1978 }
1979 if sync {
1980 subsub(user, url, owner, folxid)
1981 } else {
1982 go subsub(user, url, owner, folxid)
1983 }
1984
1985}
1986func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1987 db := opendatabase()
1988 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1989 honkerid, user.ID)
1990 var url, owner, folxid, flavor string
1991 err := row.Scan(&url, &owner, &folxid, &flavor)
1992 if err != nil {
1993 elog.Printf("can't get honker xid: %s", err)
1994 return
1995 }
1996 if flavor == "peep" {
1997 return
1998 }
1999 ilog.Printf("unsubscribing from %s", url)
2000 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
2001 if err != nil {
2002 elog.Printf("error updating honker: %s", err)
2003 return
2004 }
2005 if sync {
2006 itakeitallback(user, url, owner, folxid)
2007 } else {
2008 go itakeitallback(user, url, owner, folxid)
2009 }
2010}
2011
2012func followyou2(user *WhatAbout, j junk.Junk) {
2013 who, _ := j.GetString("actor")
2014
2015 ilog.Printf("updating honker accept: %s", who)
2016 db := opendatabase()
2017 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2018 user.ID, who)
2019 var name, folxid string
2020 err := row.Scan(&name, &folxid)
2021 if err != nil {
2022 elog.Printf("can't get honker name: %s", err)
2023 return
2024 }
2025 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2026 if err != nil {
2027 elog.Printf("error updating honker: %s", err)
2028 return
2029 }
2030}
2031
2032func nofollowyou2(user *WhatAbout, j junk.Junk) {
2033 who, _ := j.GetString("actor")
2034
2035 ilog.Printf("updating honker reject: %s", who)
2036 db := opendatabase()
2037 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2038 user.ID, who)
2039 var name, folxid string
2040 err := row.Scan(&name, &folxid)
2041 if err != nil {
2042 elog.Printf("can't get honker name: %s", err)
2043 return
2044 }
2045 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2046 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2047 if err != nil {
2048 elog.Printf("error updating honker: %s", err)
2049 return
2050 }
2051}