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 "sync"
32 "time"
33
34 "humungus.tedunangst.com/r/webs/gate"
35 "humungus.tedunangst.com/r/webs/gencache"
36 "humungus.tedunangst.com/r/webs/httpsig"
37 "humungus.tedunangst.com/r/webs/junk"
38 "humungus.tedunangst.com/r/webs/templates"
39)
40
41var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
42var thefakename = `application/activity+json`
43var falsenames = []string{
44 `application/ld+json`,
45 `application/activity+json`,
46}
47
48const itiswhatitis = "https://www.w3.org/ns/activitystreams"
49const thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
50const tinyworld = "as:Public"
51const chatKeyProp = "chatKeyV0"
52
53var fastTimeout time.Duration = 5
54var slowTimeout time.Duration = 30
55
56func friendorfoe(ct string) bool {
57 ct = strings.ToLower(ct)
58 for _, at := range falsenames {
59 if strings.HasPrefix(ct, at) {
60 return true
61 }
62 }
63 return false
64}
65
66var honkTransport = http.Transport{
67 MaxIdleConns: 120,
68 MaxConnsPerHost: 4,
69}
70
71var honkClient = http.Client{
72 Transport: &honkTransport,
73}
74
75func gogglesDoNothing() {
76 honkTransport.TLSClientConfig = &tls.Config{
77 InsecureSkipVerify: true,
78 }
79}
80
81func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
82 return PostMsg(keyname, key, url, j.ToBytes())
83}
84
85func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
86 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
87 if err != nil {
88 return err
89 }
90 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
91 req.Header.Set("Content-Type", theonetruename)
92 httpsig.SignRequest(keyname, key, req, msg)
93 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
94 defer cancel()
95 req = req.WithContext(ctx)
96 resp, err := honkClient.Do(req)
97 if err != nil {
98 return err
99 }
100 defer resp.Body.Close()
101 switch resp.StatusCode {
102 case 200:
103 case 201:
104 case 202:
105 default:
106 var buf [4096]byte
107 n, _ := resp.Body.Read(buf[:])
108 dlog.Printf("post failure message: %s", buf[:n])
109 return fmt.Errorf("http post status: %d", resp.StatusCode)
110 }
111 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
112 return nil
113}
114
115func GetJunk(userid int64, url string) (junk.Junk, error) {
116 return GetJunkTimeout(userid, url, slowTimeout*time.Second, nil)
117}
118
119func GetJunkFast(userid int64, url string) (junk.Junk, error) {
120 return GetJunkTimeout(userid, url, fastTimeout*time.Second, nil)
121}
122
123func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
124 j, err := GetJunk(userid, url)
125 if err != nil {
126 emsg := err.Error()
127 if emsg == "http get status: 429" || emsg == "http get status: 502" ||
128 strings.Contains(emsg, "timeout") {
129 ilog.Printf("trying %s again after error: %s", url, emsg)
130 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
131 j, err = GetJunk(userid, url)
132 if err != nil {
133 ilog.Printf("still couldn't get %s", url)
134 } else {
135 ilog.Printf("retry success!")
136 }
137 }
138 }
139 return j, err
140}
141
142var flightdeck = gate.NewSerializer()
143
144func GetJunkTimeout(userid int64, url string, timeout time.Duration, final *string) (junk.Junk, error) {
145 if rejectorigin(userid, url, false) {
146 return nil, fmt.Errorf("rejected origin: %s", url)
147 }
148 if final != nil {
149 *final = url
150 }
151 sign := func(req *http.Request) error {
152 ki := ziggy(userid)
153 if ki != nil {
154 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
155 }
156 return nil
157 }
158 if develMode {
159 sign = nil
160 }
161 client := honkClient
162 client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
163 if len(via) >= 5 {
164 return fmt.Errorf("stopped after 5 redirects")
165 }
166 if final != nil {
167 *final = req.URL.String()
168 }
169 if sign != nil {
170 sign(req)
171 }
172 return nil
173 }
174 fn := func() (interface{}, error) {
175 at := theonetruename
176 if strings.Contains(url, ".well-known/webfinger?resource") {
177 at = "application/jrd+json"
178 }
179 j, err := junk.Get(url, junk.GetArgs{
180 Accept: at,
181 Agent: "honksnonk/5.0; " + serverName,
182 Timeout: timeout,
183 Client: &client,
184 Fixup: sign,
185 })
186 return j, err
187 }
188
189 ji, err := flightdeck.Call(url, fn)
190 if err != nil {
191 return nil, err
192 }
193 j := ji.(junk.Junk)
194 return j, nil
195}
196
197func fetchsome(url string) ([]byte, error) {
198 req, err := http.NewRequest("GET", url, nil)
199 if err != nil {
200 ilog.Printf("error fetching %s: %s", url, err)
201 return nil, err
202 }
203 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
204 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
205 defer cancel()
206 req = req.WithContext(ctx)
207 resp, err := honkClient.Do(req)
208 if err != nil {
209 ilog.Printf("error fetching %s: %s", url, err)
210 return nil, err
211 }
212 defer resp.Body.Close()
213 switch resp.StatusCode {
214 case 200:
215 case 201:
216 case 202:
217 default:
218 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
219 }
220 var buf bytes.Buffer
221 limiter := io.LimitReader(resp.Body, 10*1024*1024)
222 io.Copy(&buf, limiter)
223 return buf.Bytes(), nil
224}
225
226func savedonk(url string, name, desc, media string, localize bool) *Donk {
227 if url == "" {
228 return nil
229 }
230 if donk := finddonk(url); donk != nil {
231 return donk
232 }
233 ilog.Printf("saving donk: %s", url)
234 data := []byte{}
235 if localize {
236 fn := func() (interface{}, error) {
237 return fetchsome(url)
238 }
239 ii, err := flightdeck.Call(url, fn)
240 if err != nil {
241 ilog.Printf("error fetching donk: %s", err)
242 localize = false
243 goto saveit
244 }
245 data = ii.([]byte)
246
247 if len(data) == 10*1024*1024 {
248 ilog.Printf("truncation likely")
249 }
250 if strings.HasPrefix(media, "image") {
251 img, err := shrinkit(data)
252 if err != nil {
253 ilog.Printf("unable to decode image: %s", err)
254 localize = false
255 data = []byte{}
256 goto saveit
257 }
258 data = img.Data
259 media = "image/" + img.Format
260 } else if media == "application/pdf" {
261 if len(data) > 1000000 {
262 ilog.Printf("not saving large pdf")
263 localize = false
264 data = []byte{}
265 }
266 } else if len(data) > 100000 {
267 ilog.Printf("not saving large attachment")
268 localize = false
269 data = []byte{}
270 }
271 }
272saveit:
273 fileid, err := savefile(name, desc, url, media, localize, data)
274 if err != nil {
275 elog.Printf("error saving file %s: %s", url, err)
276 return nil
277 }
278 donk := new(Donk)
279 donk.FileID = fileid
280 return donk
281}
282
283func iszonked(userid int64, xid string) bool {
284 var id int64
285 row := stmtFindZonk.QueryRow(userid, xid)
286 err := row.Scan(&id)
287 if err == nil {
288 return true
289 }
290 if err != sql.ErrNoRows {
291 ilog.Printf("error querying zonk: %s", err)
292 }
293 return false
294}
295
296func needxonk(user *WhatAbout, x *Honk) bool {
297 if rejectxonk(x) {
298 return false
299 }
300 return needxonkid(user, x.XID)
301}
302func needbonkid(user *WhatAbout, xid string) bool {
303 return needxonkidX(user, xid, true)
304}
305func needxonkid(user *WhatAbout, xid string) bool {
306 return needxonkidX(user, xid, false)
307}
308func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
309 if !strings.HasPrefix(xid, "https://") {
310 return false
311 }
312 if strings.HasPrefix(xid, user.URL+"/") {
313 return false
314 }
315 if rejectorigin(user.ID, xid, isannounce) {
316 ilog.Printf("rejecting origin: %s", xid)
317 return false
318 }
319 if iszonked(user.ID, xid) {
320 ilog.Printf("already zonked: %s", xid)
321 return false
322 }
323 var id int64
324 row := stmtFindXonk.QueryRow(user.ID, xid)
325 err := row.Scan(&id)
326 if err == nil {
327 return false
328 }
329 if err != sql.ErrNoRows {
330 ilog.Printf("error querying xonk: %s", err)
331 }
332 return true
333}
334
335func eradicatexonk(userid int64, xid string) {
336 xonk := getxonk(userid, xid)
337 if xonk != nil {
338 deletehonk(xonk.ID)
339 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
340 if err != nil {
341 elog.Printf("error eradicating: %s", err)
342 }
343 }
344}
345
346func savexonk(x *Honk) {
347 ilog.Printf("saving xonk: %s", x.XID)
348 go handles(x.Honker)
349 go handles(x.Oonker)
350 savehonk(x)
351}
352
353type Box struct {
354 In string
355 Out string
356 Shared string
357}
358
359var boxofboxes = gencache.New(gencache.Options[string, *Box]{Fill: func(ident string) (*Box, bool) {
360 var info string
361 row := stmtGetXonker.QueryRow(ident, "boxes")
362 err := row.Scan(&info)
363 if err != nil {
364 dlog.Printf("need to get boxes for %s", ident)
365 var j junk.Junk
366 j, err = GetJunk(readyLuserOne, ident)
367 if err != nil {
368 dlog.Printf("error getting boxes: %s", err)
369 return nil, false
370 }
371 allinjest(originate(ident), j)
372 row = stmtGetXonker.QueryRow(ident, "boxes")
373 err = row.Scan(&info)
374 }
375 if err == nil {
376 m := strings.Split(info, " ")
377 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
378 return b, true
379 }
380 return nil, false
381}})
382
383var gettergate = gate.NewLimiter(1)
384
385func getsomemore(user *WhatAbout, page string) {
386 time.Sleep(5 * time.Second)
387 gettergate.Start()
388 defer gettergate.Finish()
389 gimmexonks(user, page)
390}
391
392func gimmexonks(user *WhatAbout, outbox string) {
393 dlog.Printf("getting outbox: %s", outbox)
394 j, err := GetJunk(user.ID, outbox)
395 if err != nil {
396 ilog.Printf("error getting outbox: %s", err)
397 return
398 }
399 t, _ := j.GetString("type")
400 origin := originate(outbox)
401 if t == "OrderedCollection" || t == "CollectionPage" {
402 items, _ := j.GetArray("orderedItems")
403 if items == nil {
404 items, _ = j.GetArray("items")
405 }
406 if items == nil {
407 obj, ok := j.GetMap("first")
408 if ok {
409 items, _ = obj.GetArray("orderedItems")
410 } else {
411 page1, ok := j.GetString("first")
412 if ok {
413 j, err = GetJunk(user.ID, page1)
414 if err != nil {
415 ilog.Printf("error getting page1: %s", err)
416 return
417 }
418 items, _ = j.GetArray("orderedItems")
419 }
420 }
421 }
422 if len(items) > 20 {
423 items = items[0:20]
424 }
425 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
426 items[i], items[j] = items[j], items[i]
427 }
428 for _, item := range items {
429 obj, ok := item.(junk.Junk)
430 if ok {
431 xonksaver(user, obj, origin)
432 continue
433 }
434 xid, ok := item.(string)
435 if ok {
436 if !needxonkid(user, xid) {
437 continue
438 }
439 obj, err = GetJunk(user.ID, xid)
440 if err != nil {
441 ilog.Printf("error getting item: %s", err)
442 continue
443 }
444 xonksaver(user, obj, originate(xid))
445 }
446 }
447 }
448}
449
450func newphone(a []string, obj junk.Junk) []string {
451 for _, addr := range []string{"to", "cc", "attributedTo"} {
452 who, _ := obj.GetString(addr)
453 if who != "" {
454 a = append(a, who)
455 }
456 whos, _ := obj.GetArray(addr)
457 for _, w := range whos {
458 who, _ := w.(string)
459 if who != "" {
460 a = append(a, who)
461 }
462 }
463 }
464 return a
465}
466
467func extractattrto(obj junk.Junk) string {
468 arr := oneforall(obj, "attributedTo")
469 for _, a := range arr {
470 s, ok := a.(string)
471 if ok {
472 return s
473 }
474 o, ok := a.(junk.Junk)
475 if ok {
476 t, _ := o.GetString("type")
477 id, _ := o.GetString("id")
478 if t == "Person" || t == "" {
479 return id
480 }
481 }
482 }
483 return ""
484}
485
486func oneforall(obj junk.Junk, key string) []interface{} {
487 if val, ok := obj.GetMap(key); ok {
488 return []interface{}{val}
489 }
490 if str, ok := obj.GetString(key); ok {
491 return []interface{}{str}
492 }
493 arr, _ := obj.GetArray(key)
494 return arr
495}
496
497func firstofmany(obj junk.Junk, key string) string {
498 if val, _ := obj.GetString(key); val != "" {
499 return val
500 }
501 if arr, _ := obj.GetArray(key); len(arr) > 0 {
502 val, ok := arr[0].(string)
503 if ok {
504 return val
505 }
506 }
507 return ""
508}
509
510var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
511var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)(@[[:alnum:].]+)?/([[:digit:]]+)`)
512var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
513var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
514var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
515var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
516var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
517
518func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
519 depth := 0
520 maxdepth := 10
521 currenttid := ""
522 goingup := 0
523 var xonkxonkfn func(junk.Junk, string, bool, string) *Honk
524
525 qutify := func(user *WhatAbout, qurl, content string) string {
526 if depth >= maxdepth {
527 ilog.Printf("in too deep")
528 return content
529 }
530 // well this is gross
531 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
532 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
533 mlinks := re_qtlinks.FindAllString(malcontent, -1)
534 if qurl != "" {
535 mlinks = append(mlinks, ">"+qurl+"<")
536 }
537 mlinks = oneofakind(mlinks)
538 for _, m := range mlinks {
539 tryit := false
540 m = m[1 : len(m)-1]
541 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
542 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
543 re_roma1ink.MatchString(m) {
544 tryit = true
545 } else if re_masto1ink.MatchString(m) {
546 tryit = true
547 }
548 if tryit {
549 var prefix string
550 if m == qurl {
551 prefix += fmt.Sprintf("<p><a href=\"%s\">%s</a>", m, m)
552 }
553 var final string
554 if x := getxonk(user.ID, m); x != nil {
555 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, x.Noise)
556 } else if j, err := GetJunkTimeout(user.ID, m, fastTimeout*time.Second, &final); err == nil {
557 q, ok := j.GetString("content")
558 if ok {
559 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, q)
560 }
561 prevdepth := depth
562 depth = maxdepth
563 xonkxonkfn(j, originate(final), false, "")
564 depth = prevdepth
565 }
566 }
567 }
568 return content
569 }
570
571 saveonemore := func(xid string) {
572 dlog.Printf("getting onemore: %s", xid)
573 if depth >= maxdepth {
574 ilog.Printf("in too deep")
575 return
576 }
577 obj, err := GetJunkHardMode(user.ID, xid)
578 if err != nil {
579 ilog.Printf("error getting onemore: %s: %s", xid, err)
580 return
581 }
582 xonkxonkfn(obj, originate(xid), false, "")
583 }
584
585 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
586 id, _ := item.GetString("id")
587 what := firstofmany(item, "type")
588 dt, ok := item.GetString("published")
589 if !ok {
590 dt = time.Now().Format(time.RFC3339)
591 }
592 if depth >= maxdepth+5 {
593 ilog.Printf("went too deep in xonkxonk")
594 return nil
595 }
596 depth++
597 defer func() { depth-- }()
598
599 var err error
600 var xid, rid, url, convoy string
601 var replies []string
602 var obj junk.Junk
603 waspage := false
604 preferorig := false
605 switch what {
606 case "Delete":
607 obj, ok = item.GetMap("object")
608 if ok {
609 xid, _ = obj.GetString("id")
610 } else {
611 xid, _ = item.GetString("object")
612 }
613 if xid == "" {
614 return nil
615 }
616 if originate(xid) != origin {
617 ilog.Printf("forged delete: %s", xid)
618 return nil
619 }
620 ilog.Printf("eradicating %s", xid)
621 eradicatexonk(user.ID, xid)
622 return nil
623 case "Remove":
624 xid, _ = item.GetString("object")
625 targ, _ := obj.GetString("target")
626 ilog.Printf("remove %s from %s", obj, targ)
627 return nil
628 case "Tombstone":
629 xid, _ = item.GetString("id")
630 if xid == "" {
631 return nil
632 }
633 if originate(xid) != origin {
634 ilog.Printf("forged delete: %s", xid)
635 return nil
636 }
637 ilog.Printf("eradicating %s", xid)
638 eradicatexonk(user.ID, xid)
639 return nil
640 case "Announce":
641 obj, ok = item.GetMap("object")
642 if ok {
643 // peek ahead some
644 what := firstofmany(obj, "type")
645 if what == "Create" || what == "Update" {
646 if what == "Update" {
647 isUpdate = true
648 }
649 inner, ok := obj.GetMap("object")
650 if ok {
651 obj = inner
652 } else {
653 xid, _ = obj.GetString("object")
654 }
655 }
656 if xid == "" {
657 xid, _ = obj.GetString("id")
658 }
659 } else {
660 xid, _ = item.GetString("object")
661 }
662 if !isUpdate && !needbonkid(user, xid) {
663 return nil
664 }
665 bonker, _ = item.GetString("actor")
666 if originate(bonker) != origin {
667 ilog.Printf("out of bounds actor in bonk: %s not from %s", bonker, origin)
668 item.Write(ilog.Writer())
669 return nil
670 }
671 origin = originate(xid)
672 if ok && originate(id) == origin {
673 dlog.Printf("using object in announce for %s", xid)
674 } else {
675 dlog.Printf("getting bonk: %s", xid)
676 obj, err = GetJunkHardMode(user.ID, xid)
677 if err != nil {
678 ilog.Printf("error getting bonk: %s: %s", xid, err)
679 return nil
680 }
681 }
682 return xonkxonkfn(obj, origin, isUpdate, bonker)
683 case "Update":
684 isUpdate = true
685 fallthrough
686 case "Create":
687 obj, ok = item.GetMap("object")
688 if !ok {
689 xid, _ = item.GetString("object")
690 dlog.Printf("getting created honk: %s", xid)
691 if originate(xid) != origin {
692 ilog.Printf("out of bounds object in create: %s not from %s", xid, origin)
693 return nil
694 }
695 obj, err = GetJunkHardMode(user.ID, xid)
696 if err != nil {
697 ilog.Printf("error getting creation: %s", err)
698 }
699 }
700 if obj == nil {
701 ilog.Printf("no object for creation %s", id)
702 return nil
703 }
704 return xonkxonkfn(obj, origin, isUpdate, bonker)
705 case "Read":
706 xid, ok = item.GetString("object")
707 if ok {
708 if !needxonkid(user, xid) {
709 dlog.Printf("don't need read obj: %s", xid)
710 return nil
711 }
712 obj, err = GetJunkHardMode(user.ID, xid)
713 if err != nil {
714 ilog.Printf("error getting read: %s", err)
715 return nil
716 }
717 return xonkxonkfn(obj, originate(xid), false, "")
718 }
719 return nil
720 case "Add":
721 xid, ok = item.GetString("object")
722 if ok {
723 // check target...
724 if !needxonkid(user, xid) {
725 dlog.Printf("don't need added obj: %s", xid)
726 return nil
727 }
728 obj, err = GetJunkHardMode(user.ID, xid)
729 if err != nil {
730 ilog.Printf("error getting add: %s", err)
731 return nil
732 }
733 return xonkxonkfn(obj, originate(xid), false, "")
734 }
735 return nil
736 case "Move":
737 obj = item
738 what = "move"
739 case "Page":
740 waspage = true
741 fallthrough
742 case "Audio":
743 fallthrough
744 case "Image":
745 if what == "Image" {
746 preferorig = true
747 }
748 fallthrough
749 case "Video":
750 fallthrough
751 case "Question":
752 fallthrough
753 case "Note":
754 fallthrough
755 case "Article":
756 obj = item
757 what = "honk"
758 case "Event":
759 obj = item
760 what = "event"
761 case "ChatMessage":
762 bonker = ""
763 obj = item
764 what = "chonk"
765 default:
766 ilog.Printf("unknown activity: %s", what)
767 dumpactivity(item)
768 return nil
769 }
770 if bonker != "" {
771 what = "bonk"
772 }
773
774 if obj != nil {
775 xid, _ = obj.GetString("id")
776 }
777
778 if xid == "" {
779 ilog.Printf("don't know what xid is")
780 item.Write(ilog.Writer())
781 return nil
782 }
783 if originate(xid) != origin {
784 if !develMode && origin != "" {
785 ilog.Printf("original sin: %s not from %s", xid, origin)
786 item.Write(ilog.Writer())
787 return nil
788 }
789 }
790
791 var xonk Honk
792 // early init
793 xonk.XID = xid
794 xonk.UserID = user.ID
795 xonk.Honker, _ = item.GetString("actor")
796 if xonk.Honker == "" {
797 xonk.Honker, _ = item.GetString("attributedTo")
798 }
799 if originate(xonk.Honker) != origin {
800 ilog.Printf("out of bounds honker %s from %s", xonk.Honker, origin)
801 item.Write(ilog.Writer())
802 return nil
803 }
804 if obj != nil {
805 if xonk.Honker == "" {
806 xonk.Honker = extractattrto(obj)
807 }
808 if bonker != "" {
809 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
810 }
811 if xonk.Oonker == xonk.Honker {
812 xonk.Oonker = ""
813 }
814 xonk.Audience = newphone(nil, obj)
815 }
816 xonk.Audience = append(xonk.Audience, xonk.Honker)
817 xonk.Audience = oneofakind(xonk.Audience)
818 for i, a := range xonk.Audience {
819 if a == tinyworld {
820 xonk.Audience[i] = thewholeworld
821 }
822 }
823 xonk.Public = loudandproud(xonk.Audience)
824
825 var mentions []Mention
826 if obj != nil {
827 ot := firstofmany(obj, "type")
828 url, _ = obj.GetString("url")
829 if dt2, ok := obj.GetString("published"); ok {
830 dt = dt2
831 }
832 content, _ := obj.GetString("content")
833 if !strings.HasPrefix(content, "<p>") {
834 content = "<p>" + content
835 }
836 precis, _ := obj.GetString("summary")
837 if name, ok := obj.GetString("name"); ok {
838 if precis != "" {
839 content = precis + "<p>" + content
840 }
841 precis = html.EscapeString(name)
842 }
843 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
844 precis = "unspecified horror"
845 }
846 if waspage {
847 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
848 url = xid
849 }
850 if user.Options.InlineQuotes {
851 qurl, _ := obj.GetString("quoteUrl")
852 content = qutify(user, qurl, content)
853 }
854 rid, ok = obj.GetString("inReplyTo")
855 if !ok {
856 if robj, ok := obj.GetMap("inReplyTo"); ok {
857 rid, _ = robj.GetString("id")
858 }
859 }
860 convoy, _ = obj.GetString("context")
861 if convoy == "" {
862 convoy, _ = obj.GetString("conversation")
863 }
864 if ot == "Question" {
865 if what == "honk" {
866 what = "qonk"
867 }
868 content += "<ul>"
869 ans, _ := obj.GetArray("oneOf")
870 for _, ai := range ans {
871 a, ok := ai.(junk.Junk)
872 if !ok {
873 continue
874 }
875 as, _ := a.GetString("name")
876 content += "<li>" + as
877 }
878 ans, _ = obj.GetArray("anyOf")
879 for _, ai := range ans {
880 a, ok := ai.(junk.Junk)
881 if !ok {
882 continue
883 }
884 as, _ := a.GetString("name")
885 content += "<li>" + as
886 }
887 content += "</ul>"
888 }
889 if ot == "Move" {
890 targ, _ := obj.GetString("target")
891 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
892 }
893 if len(content) > 90001 {
894 ilog.Printf("content too long. truncating")
895 content = content[:90001]
896 }
897
898 xonk.Noise = content
899 xonk.Precis = precis
900 if rejectxonk(&xonk) {
901 dlog.Printf("fast reject: %s", xid)
902 return nil
903 }
904
905 numatts := 0
906 var donkfns []func() *Donk
907 procatt := func(att junk.Junk) {
908 at, _ := att.GetString("type")
909 mt, _ := att.GetString("mediaType")
910 if mt == "" {
911 mt = "image"
912 }
913 u, ok := att.GetString("url")
914 if !ok {
915 u, ok = att.GetString("href")
916 }
917 if !ok {
918 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
919 u, ok = ua[0].(string)
920 if !ok {
921 if uu, ok := ua[0].(junk.Junk); ok {
922 u, _ = uu.GetString("href")
923 if mt == "" {
924 mt, _ = uu.GetString("mediaType")
925 }
926 }
927 }
928 } else if uu, ok := att.GetMap("url"); ok {
929 u, _ = uu.GetString("href")
930 if mt == "" {
931 mt, _ = uu.GetString("mediaType")
932 }
933 }
934 }
935 name, _ := att.GetString("name")
936 desc, _ := att.GetString("summary")
937 desc = html.UnescapeString(desc)
938 if desc == "" {
939 desc = name
940 }
941 localize := false
942 if at == "Document" || at == "Image" {
943 mt = strings.ToLower(mt)
944 dlog.Printf("attachment: %s %s", mt, u)
945 if mt == "text/plain" || mt == "application/pdf" ||
946 strings.HasPrefix(mt, "image") {
947 if numatts > 4 {
948 ilog.Printf("excessive attachment: %s", at)
949 } else {
950 localize = true
951 }
952 }
953 } else if at == "Link" {
954 if waspage {
955 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
956 return
957 }
958 if name == "" {
959 name = u
960 }
961 } else {
962 ilog.Printf("unknown attachment: %s", at)
963 }
964 if skipMedia(&xonk) {
965 localize = false
966 }
967 if preferorig && !localize {
968 return
969 }
970 numatts++
971 donkfns = append(donkfns, func() *Donk {
972 return savedonk(u, name, desc, mt, localize)
973 })
974 }
975 if img, ok := obj.GetMap("image"); ok {
976 procatt(img)
977 }
978 if preferorig {
979 atts, _ := obj.GetArray("url")
980 for _, atti := range atts {
981 att, ok := atti.(junk.Junk)
982 if !ok {
983 ilog.Printf("attachment that wasn't map?")
984 continue
985 }
986 procatt(att)
987 }
988 if numatts == 0 {
989 preferorig = false
990 }
991 }
992 if !preferorig {
993 atts := oneforall(obj, "attachment")
994 for _, atti := range atts {
995 att, ok := atti.(junk.Junk)
996 if !ok {
997 ilog.Printf("attachment that wasn't map?")
998 continue
999 }
1000 procatt(att)
1001 }
1002 }
1003 for _, donk := range multiRun(donkfns) {
1004 if donk != nil {
1005 xonk.Donks = append(xonk.Donks, donk)
1006 }
1007 }
1008 proctag := func(tag junk.Junk) {
1009 tt, _ := tag.GetString("type")
1010 name, _ := tag.GetString("name")
1011 desc, _ := tag.GetString("summary")
1012 desc = html.UnescapeString(desc)
1013 if desc == "" {
1014 desc = name
1015 }
1016 if tt == "Emoji" {
1017 icon, _ := tag.GetMap("icon")
1018 mt, _ := icon.GetString("mediaType")
1019 if mt == "" {
1020 mt = "image/png"
1021 }
1022 u, _ := icon.GetString("url")
1023 donk := savedonk(u, name, desc, mt, true)
1024 if donk != nil {
1025 xonk.Donks = append(xonk.Donks, donk)
1026 }
1027 }
1028 if tt == "Hashtag" {
1029 if name == "" || name == "#" {
1030 // skip it
1031 } else {
1032 if name[0] != '#' {
1033 name = "#" + name
1034 }
1035 xonk.Onts = append(xonk.Onts, name)
1036 }
1037 }
1038 if tt == "Place" {
1039 p := new(Place)
1040 p.Name = name
1041 p.Latitude, _ = tag.GetNumber("latitude")
1042 p.Longitude, _ = tag.GetNumber("longitude")
1043 p.Url, _ = tag.GetString("url")
1044 xonk.Place = p
1045 }
1046 if tt == "Mention" {
1047 var m Mention
1048 m.Who, _ = tag.GetString("name")
1049 m.Where, _ = tag.GetString("href")
1050 mentions = append(mentions, m)
1051 }
1052 }
1053 tags := oneforall(obj, "tag")
1054 for _, tagi := range tags {
1055 tag, ok := tagi.(junk.Junk)
1056 if !ok {
1057 continue
1058 }
1059 proctag(tag)
1060 }
1061 if starttime, ok := obj.GetString("startTime"); ok {
1062 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1063 t := new(Time)
1064 t.StartTime = start
1065 endtime, _ := obj.GetString("endTime")
1066 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1067 dura, _ := obj.GetString("duration")
1068 if strings.HasPrefix(dura, "PT") {
1069 dura = strings.ToLower(dura[2:])
1070 d, _ := time.ParseDuration(dura)
1071 t.Duration = Duration(d)
1072 }
1073 xonk.Time = t
1074 }
1075 }
1076 if loca, ok := obj.GetMap("location"); ok {
1077 if tt, _ := loca.GetString("type"); tt == "Place" {
1078 p := new(Place)
1079 p.Name, _ = loca.GetString("name")
1080 p.Latitude, _ = loca.GetNumber("latitude")
1081 p.Longitude, _ = loca.GetNumber("longitude")
1082 p.Url, _ = loca.GetString("url")
1083 xonk.Place = p
1084 }
1085 }
1086
1087 xonk.Onts = oneofakind(xonk.Onts)
1088 replyobj, ok := obj.GetMap("replies")
1089 if ok {
1090 items, ok := replyobj.GetArray("items")
1091 if !ok {
1092 first, ok := replyobj.GetMap("first")
1093 if ok {
1094 items, _ = first.GetArray("items")
1095 }
1096 }
1097 for _, repl := range items {
1098 s, ok := repl.(string)
1099 if ok {
1100 replies = append(replies, s)
1101 }
1102 }
1103 }
1104
1105 }
1106
1107 if currenttid == "" {
1108 currenttid = convoy
1109 }
1110
1111 // init xonk
1112 xonk.What = what
1113 xonk.RID = rid
1114 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1115 xonk.URL = url
1116 xonk.Format = "html"
1117 xonk.Convoy = convoy
1118 xonk.Mentions = mentions
1119 for _, m := range mentions {
1120 if m.Where == user.URL {
1121 xonk.Whofore = 1
1122 }
1123 }
1124 imaginate(&xonk)
1125
1126 if what == "chonk" {
1127 // undo damage above
1128 xonk.Noise = strings.TrimPrefix(xonk.Noise, "<p>")
1129 target := firstofmany(obj, "to")
1130 if target == user.URL {
1131 target = xonk.Honker
1132 }
1133 enc, _ := obj.GetString(chatKeyProp)
1134 if enc != "" {
1135 var dec string
1136 if pubkey, ok := getchatkey(xonk.Honker); ok {
1137 dec, err = decryptString(xonk.Noise, user.ChatSecKey, pubkey)
1138 if err != nil {
1139 ilog.Printf("failed to decrypt chonk")
1140 }
1141 }
1142 if err == nil {
1143 dlog.Printf("successful decrypt from %s", xonk.Honker)
1144 xonk.Noise = dec
1145 }
1146 }
1147 ch := Chonk{
1148 UserID: xonk.UserID,
1149 XID: xid,
1150 Who: xonk.Honker,
1151 Target: target,
1152 Date: xonk.Date,
1153 Noise: xonk.Noise,
1154 Format: xonk.Format,
1155 Donks: xonk.Donks,
1156 }
1157 savechonk(&ch)
1158 return nil
1159 }
1160
1161 if isUpdate {
1162 dlog.Printf("something has changed! %s", xonk.XID)
1163 prev := getxonk(user.ID, xonk.XID)
1164 if prev == nil {
1165 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1166 isUpdate = false
1167 } else {
1168 xonk.ID = prev.ID
1169 updatehonk(&xonk)
1170 }
1171 }
1172 if !isUpdate && needxonk(user, &xonk) {
1173 if rid != "" && xonk.Public {
1174 if needxonkid(user, rid) {
1175 goingup++
1176 saveonemore(rid)
1177 goingup--
1178 }
1179 if convoy == "" {
1180 xx := getxonk(user.ID, rid)
1181 if xx != nil {
1182 convoy = xx.Convoy
1183 }
1184 }
1185 }
1186 if convoy == "" {
1187 convoy = currenttid
1188 }
1189 if convoy == "" {
1190 convoy = xonk.XID
1191 currenttid = convoy
1192 }
1193 xonk.Convoy = convoy
1194 savexonk(&xonk)
1195 }
1196 if goingup == 0 {
1197 for _, replid := range replies {
1198 if needxonkid(user, replid) {
1199 dlog.Printf("missing a reply: %s", replid)
1200 saveonemore(replid)
1201 }
1202 }
1203 }
1204 return &xonk
1205 }
1206
1207 return xonkxonkfn(item, origin, false, "")
1208}
1209
1210func dumpactivity(item junk.Junk) {
1211 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1212 if err != nil {
1213 elog.Printf("error opening inbox! %s", err)
1214 return
1215 }
1216 defer fd.Close()
1217 item.Write(fd)
1218 io.WriteString(fd, "\n")
1219}
1220
1221func rubadubdub(user *WhatAbout, req junk.Junk) {
1222 actor, _ := req.GetString("actor")
1223 j := junk.New()
1224 j["@context"] = itiswhatitis
1225 j["id"] = user.URL + "/dub/" + xfiltrate()
1226 j["type"] = "Accept"
1227 j["actor"] = user.URL
1228 j["to"] = actor
1229 j["published"] = time.Now().UTC().Format(time.RFC3339)
1230 j["object"] = req
1231
1232 deliverate(user.ID, actor, j.ToBytes())
1233}
1234
1235func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1236 j := junk.New()
1237 j["@context"] = itiswhatitis
1238 j["id"] = user.URL + "/unsub/" + folxid
1239 j["type"] = "Undo"
1240 j["actor"] = user.URL
1241 j["to"] = owner
1242 f := junk.New()
1243 f["id"] = user.URL + "/sub/" + folxid
1244 f["type"] = "Follow"
1245 f["actor"] = user.URL
1246 f["to"] = owner
1247 f["object"] = xid
1248 j["object"] = f
1249 j["published"] = time.Now().UTC().Format(time.RFC3339)
1250
1251 deliverate(user.ID, owner, j.ToBytes())
1252}
1253
1254func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1255 if xid == "" {
1256 ilog.Printf("can't subscribe to empty")
1257 return
1258 }
1259 j := junk.New()
1260 j["@context"] = itiswhatitis
1261 j["id"] = user.URL + "/sub/" + folxid
1262 j["type"] = "Follow"
1263 j["actor"] = user.URL
1264 j["to"] = owner
1265 j["object"] = xid
1266 j["published"] = time.Now().UTC().Format(time.RFC3339)
1267
1268 deliverate(user.ID, owner, j.ToBytes())
1269}
1270
1271func activatedonks(donks []*Donk) []junk.Junk {
1272 var atts []junk.Junk
1273 for _, d := range donks {
1274 if re_emus.MatchString(d.Name) {
1275 continue
1276 }
1277 jd := junk.New()
1278 jd["mediaType"] = d.Media
1279 jd["name"] = d.Name
1280 jd["summary"] = html.EscapeString(d.Desc)
1281 jd["type"] = "Document"
1282 jd["url"] = d.URL
1283 atts = append(atts, jd)
1284 }
1285 return atts
1286}
1287
1288// returns activity, object
1289func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1290 dt := h.Date.Format(time.RFC3339)
1291 var jo junk.Junk
1292 j := junk.New()
1293 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1294 j["actor"] = user.URL
1295 j["published"] = dt
1296 j["to"] = h.Audience[0]
1297 if len(h.Audience) > 1 {
1298 j["cc"] = h.Audience[1:]
1299 }
1300
1301 switch h.What {
1302 case "update":
1303 fallthrough
1304 case "event":
1305 fallthrough
1306 case "honk":
1307 j["type"] = "Create"
1308 jo = junk.New()
1309 jo["id"] = h.XID
1310 jo["type"] = "Note"
1311 if h.What == "event" {
1312 jo["type"] = "Event"
1313 }
1314 if h.What == "update" {
1315 j["type"] = "Update"
1316 jo["updated"] = dt
1317 }
1318 jo["published"] = dt
1319 jo["url"] = h.XID
1320 jo["attributedTo"] = user.URL
1321 if h.RID != "" {
1322 jo["inReplyTo"] = h.RID
1323 }
1324 if h.Convoy != "" {
1325 jo["context"] = h.Convoy
1326 jo["conversation"] = h.Convoy
1327 }
1328 jo["to"] = h.Audience[0]
1329 if len(h.Audience) > 1 {
1330 jo["cc"] = h.Audience[1:]
1331 }
1332 if !h.Public {
1333 jo["directMessage"] = true
1334 }
1335 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1336 translate(h)
1337 redoimages(h)
1338 if h.Precis != "" {
1339 jo["sensitive"] = true
1340 }
1341
1342 var replies []string
1343 for _, reply := range h.Replies {
1344 replies = append(replies, reply.XID)
1345 }
1346 if len(replies) > 0 {
1347 jr := junk.New()
1348 jr["type"] = "Collection"
1349 jr["totalItems"] = len(replies)
1350 jr["items"] = replies
1351 jo["replies"] = jr
1352 }
1353
1354 var tags []junk.Junk
1355 for _, m := range h.Mentions {
1356 t := junk.New()
1357 t["type"] = "Mention"
1358 t["name"] = m.Who
1359 t["href"] = m.Where
1360 tags = append(tags, t)
1361 }
1362 for _, o := range h.Onts {
1363 t := junk.New()
1364 t["type"] = "Hashtag"
1365 o = strings.ToLower(o)
1366 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1367 t["name"] = o
1368 tags = append(tags, t)
1369 }
1370 for _, e := range herdofemus(h.Noise) {
1371 t := junk.New()
1372 t["id"] = e.ID
1373 t["type"] = "Emoji"
1374 t["name"] = e.Name
1375 i := junk.New()
1376 i["type"] = "Image"
1377 i["mediaType"] = e.Type
1378 i["url"] = e.ID
1379 t["icon"] = i
1380 tags = append(tags, t)
1381 }
1382 for _, e := range fixupflags(h) {
1383 t := junk.New()
1384 t["id"] = e.ID
1385 t["type"] = "Emoji"
1386 t["name"] = e.Name
1387 i := junk.New()
1388 i["type"] = "Image"
1389 i["mediaType"] = "image/png"
1390 i["url"] = e.ID
1391 t["icon"] = i
1392 tags = append(tags, t)
1393 }
1394 if len(tags) > 0 {
1395 jo["tag"] = tags
1396 }
1397 if p := h.Place; p != nil {
1398 t := junk.New()
1399 t["type"] = "Place"
1400 if p.Name != "" {
1401 t["name"] = p.Name
1402 }
1403 if p.Latitude != 0 {
1404 t["latitude"] = p.Latitude
1405 }
1406 if p.Longitude != 0 {
1407 t["longitude"] = p.Longitude
1408 }
1409 if p.Url != "" {
1410 t["url"] = p.Url
1411 }
1412 jo["location"] = t
1413 }
1414 if t := h.Time; t != nil {
1415 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1416 if t.Duration != 0 {
1417 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1418 }
1419 }
1420 atts := activatedonks(h.Donks)
1421 if len(atts) > 0 {
1422 jo["attachment"] = atts
1423 }
1424 jo["summary"] = h.Precis
1425 jo["content"] = h.Noise
1426 j["object"] = jo
1427 case "bonk":
1428 j["type"] = "Announce"
1429 if h.Convoy != "" {
1430 j["context"] = h.Convoy
1431 }
1432 j["object"] = h.XID
1433 case "unbonk":
1434 b := junk.New()
1435 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1436 b["type"] = "Announce"
1437 b["actor"] = user.URL
1438 if h.Convoy != "" {
1439 b["context"] = h.Convoy
1440 }
1441 b["object"] = h.XID
1442 j["type"] = "Undo"
1443 j["object"] = b
1444 case "zonk":
1445 j["type"] = "Delete"
1446 j["object"] = h.XID
1447 case "ack":
1448 j["type"] = "Read"
1449 j["object"] = h.XID
1450 if h.Convoy != "" {
1451 j["context"] = h.Convoy
1452 }
1453 case "react":
1454 j["type"] = "EmojiReact"
1455 j["object"] = h.XID
1456 if h.Convoy != "" {
1457 j["context"] = h.Convoy
1458 }
1459 j["content"] = h.Noise
1460 case "deack":
1461 b := junk.New()
1462 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1463 b["type"] = "Read"
1464 b["actor"] = user.URL
1465 b["object"] = h.XID
1466 if h.Convoy != "" {
1467 b["context"] = h.Convoy
1468 }
1469 j["type"] = "Undo"
1470 j["object"] = b
1471 }
1472
1473 return j, jo
1474}
1475
1476var oldjonks = gencache.New(gencache.Options[string, []byte]{Fill: func(xid string) ([]byte, bool) {
1477 row := stmtAnyXonk.QueryRow(xid)
1478 honk := scanhonk(row)
1479 if honk == nil || !honk.Public {
1480 return nil, true
1481 }
1482 user, _ := butwhatabout(honk.Username)
1483 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1484 reversehonks(rawhonks)
1485 for _, h := range rawhonks {
1486 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1487 honk.Replies = append(honk.Replies, h)
1488 }
1489 }
1490 donksforhonks([]*Honk{honk})
1491 _, j := jonkjonk(user, honk)
1492 if j == nil {
1493 elog.Fatalf("what just happened? %v", honk)
1494 }
1495 j["@context"] = itiswhatitis
1496
1497 return j.ToBytes(), true
1498}, Limit: 128})
1499
1500func gimmejonk(xid string) ([]byte, bool) {
1501 j, ok := oldjonks.Get(xid)
1502 return j, ok
1503}
1504
1505func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1506 rcpts := make(map[string]bool)
1507 for _, a := range addresses {
1508 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1509 continue
1510 }
1511 if a[0] == '%' {
1512 rcpts[a] = true
1513 continue
1514 }
1515 box, ok := boxofboxes.Get(a)
1516 if ok && useshared && box.Shared != "" {
1517 rcpts["%"+box.Shared] = true
1518 } else {
1519 rcpts[a] = true
1520 }
1521 }
1522 return rcpts
1523}
1524
1525func chonkifymsg(user *WhatAbout, rcpt string, ch *Chonk) []byte {
1526 dt := ch.Date.Format(time.RFC3339)
1527 aud := []string{ch.Target}
1528
1529 jo := junk.New()
1530 jo["id"] = ch.XID
1531 jo["type"] = "ChatMessage"
1532 jo["published"] = dt
1533 jo["attributedTo"] = user.URL
1534 jo["to"] = aud
1535 content := string(ch.HTML)
1536 if user.ChatSecKey.key != nil {
1537 if pubkey, ok := getchatkey(rcpt); ok {
1538 var err error
1539 content, err = encryptString(content, user.ChatSecKey, pubkey)
1540 if err != nil {
1541 ilog.Printf("failure encrypting chonk: %s", err)
1542 }
1543 jo[chatKeyProp] = user.Options.ChatPubKey
1544 }
1545 }
1546 jo["content"] = content
1547
1548 atts := activatedonks(ch.Donks)
1549 if len(atts) > 0 {
1550 jo["attachment"] = atts
1551 }
1552 var tags []junk.Junk
1553 for _, e := range herdofemus(ch.Noise) {
1554 t := junk.New()
1555 t["id"] = e.ID
1556 t["type"] = "Emoji"
1557 t["name"] = e.Name
1558 i := junk.New()
1559 i["type"] = "Image"
1560 i["mediaType"] = e.Type
1561 i["url"] = e.ID
1562 t["icon"] = i
1563 tags = append(tags, t)
1564 }
1565 if len(tags) > 0 {
1566 jo["tag"] = tags
1567 }
1568
1569 j := junk.New()
1570 j["@context"] = itiswhatitis
1571 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1572 j["type"] = "Create"
1573 j["actor"] = user.URL
1574 j["published"] = dt
1575 j["to"] = aud
1576 j["object"] = jo
1577
1578 return j.ToBytes()
1579}
1580
1581func sendchonk(user *WhatAbout, ch *Chonk) {
1582 rcpts := make(map[string]bool)
1583 rcpts[ch.Target] = true
1584 for a := range rcpts {
1585 msg := chonkifymsg(user, a, ch)
1586 go deliverate(user.ID, a, msg)
1587 }
1588}
1589
1590func honkworldwide(user *WhatAbout, honk *Honk) {
1591 jonk, _ := jonkjonk(user, honk)
1592 jonk["@context"] = itiswhatitis
1593 msg := jonk.ToBytes()
1594
1595 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1596
1597 if honk.Public {
1598 for _, h := range getdubs(user.ID) {
1599 if h.XID == user.URL {
1600 continue
1601 }
1602 box, ok := boxofboxes.Get(h.XID)
1603 if ok && box.Shared != "" {
1604 rcpts["%"+box.Shared] = true
1605 } else {
1606 rcpts[h.XID] = true
1607 }
1608 }
1609 for _, f := range getbacktracks(honk.XID) {
1610 if f[0] == '%' {
1611 rcpts[f] = true
1612 } else {
1613 box, ok := boxofboxes.Get(f)
1614 if ok && box.Shared != "" {
1615 rcpts["%"+box.Shared] = true
1616 } else {
1617 rcpts[f] = true
1618 }
1619 }
1620 }
1621 }
1622 for a := range rcpts {
1623 go deliverate(user.ID, a, msg)
1624 }
1625 if honk.Public && len(honk.Onts) > 0 {
1626 collectiveaction(honk)
1627 }
1628}
1629
1630func collectiveaction(honk *Honk) {
1631 user := getserveruser()
1632 for _, ont := range honk.Onts {
1633 dubs := getnameddubs(readyLuserOne, ont)
1634 if len(dubs) == 0 {
1635 continue
1636 }
1637 j := junk.New()
1638 j["@context"] = itiswhatitis
1639 j["type"] = "Add"
1640 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1641 j["actor"] = user.URL
1642 j["object"] = honk.XID
1643 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1644 rcpts := make(map[string]bool)
1645 for _, dub := range dubs {
1646 box, ok := boxofboxes.Get(dub.XID)
1647 if ok && box.Shared != "" {
1648 rcpts["%"+box.Shared] = true
1649 } else {
1650 rcpts[dub.XID] = true
1651 }
1652 }
1653 msg := j.ToBytes()
1654 for a := range rcpts {
1655 go deliverate(user.ID, a, msg)
1656 }
1657 }
1658}
1659
1660func junkuser(user *WhatAbout) junk.Junk {
1661 j := junk.New()
1662 j["@context"] = itiswhatitis
1663 j["id"] = user.URL
1664 j["inbox"] = user.URL + "/inbox"
1665 j["outbox"] = user.URL + "/outbox"
1666 j["name"] = user.Display
1667 j["preferredUsername"] = user.Name
1668 j["summary"] = user.HTAbout
1669 var tags []junk.Junk
1670 for _, o := range user.Onts {
1671 t := junk.New()
1672 t["type"] = "Hashtag"
1673 o = strings.ToLower(o)
1674 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1675 t["name"] = o
1676 tags = append(tags, t)
1677 }
1678 if len(tags) > 0 {
1679 j["tag"] = tags
1680 }
1681
1682 if user.ID > 0 {
1683 j["type"] = "Person"
1684 j["url"] = user.URL
1685 j["followers"] = user.URL + "/followers"
1686 j["following"] = user.URL + "/following"
1687 a := junk.New()
1688 a["type"] = "Image"
1689 a["mediaType"] = "image/png"
1690 a["url"] = avatarURL(user)
1691 j["icon"] = a
1692 if ban := user.Options.Banner; ban != "" {
1693 a := junk.New()
1694 a["type"] = "Image"
1695 a["mediaType"] = "image/jpg"
1696 a["url"] = ban
1697 j["image"] = a
1698 }
1699 } else {
1700 j["type"] = "Service"
1701 }
1702 k := junk.New()
1703 k["id"] = user.URL + "#key"
1704 k["owner"] = user.URL
1705 k["publicKeyPem"] = user.Key
1706 j["publicKey"] = k
1707 j[chatKeyProp] = user.Options.ChatPubKey
1708
1709 return j
1710}
1711
1712var oldjonkers = gencache.New(gencache.Options[string, []byte]{Fill: func(name string) ([]byte, bool) {
1713 user, err := butwhatabout(name)
1714 if err != nil {
1715 return nil, false
1716 }
1717 j := junkuser(user)
1718 return j.ToBytes(), true
1719}, Duration: 1 * time.Minute})
1720
1721func asjonker(name string) ([]byte, bool) {
1722 j, ok := oldjonkers.Get(name)
1723 return j, ok
1724}
1725
1726var handfull = gencache.New(gencache.Options[string, string]{Fill: func(name string) (string, bool) {
1727 m := strings.Split(name, "@")
1728 if len(m) != 2 {
1729 dlog.Printf("bad fish name: %s", name)
1730 return "", true
1731 }
1732 var href string
1733 row := stmtGetXonker.QueryRow(name, "fishname")
1734 err := row.Scan(&href)
1735 if err == nil {
1736 return href, true
1737 }
1738 dlog.Printf("fishing for %s", name)
1739 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1740 if err != nil {
1741 ilog.Printf("failed to go fish %s: %s", name, err)
1742 return "", true
1743 }
1744 links, _ := j.GetArray("links")
1745 for _, li := range links {
1746 l, ok := li.(junk.Junk)
1747 if !ok {
1748 continue
1749 }
1750 href, _ := l.GetString("href")
1751 rel, _ := l.GetString("rel")
1752 t, _ := l.GetString("type")
1753 if rel == "self" && friendorfoe(t) {
1754 when := time.Now().UTC().Format(dbtimeformat)
1755 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1756 if err != nil {
1757 elog.Printf("error saving fishname: %s", err)
1758 }
1759 return href, true
1760 }
1761 }
1762 return href, true
1763}, Duration: 1 * time.Minute})
1764
1765func gofish(name string) string {
1766 if name[0] == '@' {
1767 name = name[1:]
1768 }
1769 href, _ := handfull.Get(name)
1770 return href
1771}
1772
1773func investigate(name string) (*SomeThing, error) {
1774 if name == "" {
1775 return nil, fmt.Errorf("no name")
1776 }
1777 if name[0] == '@' {
1778 name = gofish(name)
1779 }
1780 if name == "" {
1781 return nil, fmt.Errorf("no name")
1782 }
1783 obj, err := GetJunkFast(readyLuserOne, name)
1784 if err != nil {
1785 return nil, err
1786 }
1787 allinjest(originate(name), obj)
1788 return somethingabout(obj)
1789}
1790
1791func somethingabout(obj junk.Junk) (*SomeThing, error) {
1792 info := new(SomeThing)
1793 t, _ := obj.GetString("type")
1794 isowned := false
1795 switch t {
1796 case "Person":
1797 fallthrough
1798 case "Group":
1799 fallthrough
1800 case "Organization":
1801 fallthrough
1802 case "Application":
1803 fallthrough
1804 case "Service":
1805 info.What = SomeActor
1806 case "OrderedCollection":
1807 isowned = true
1808 fallthrough
1809 case "Collection":
1810 info.What = SomeCollection
1811 default:
1812 return nil, fmt.Errorf("unknown object type")
1813 }
1814 info.XID, _ = obj.GetString("id")
1815 info.Name, _ = obj.GetString("preferredUsername")
1816 if info.Name == "" {
1817 info.Name, _ = obj.GetString("name")
1818 }
1819 if isowned {
1820 info.Owner, _ = obj.GetString("attributedTo")
1821 }
1822 if info.Owner == "" {
1823 info.Owner = info.XID
1824 }
1825 return info, nil
1826}
1827
1828func allinjest(origin string, obj junk.Junk) {
1829 ident, _ := obj.GetString("id")
1830 if ident == "" {
1831 return
1832 }
1833 if originate(ident) != origin {
1834 return
1835 }
1836 keyobj, ok := obj.GetMap("publicKey")
1837 if ok {
1838 ingestpubkey(origin, keyobj)
1839 }
1840 ingestboxes(origin, obj)
1841 ingesthandle(origin, obj)
1842 chatkey, ok := obj.GetString(chatKeyProp)
1843 if ok {
1844 when := time.Now().UTC().Format(dbtimeformat)
1845 _, err := stmtSaveXonker.Exec(ident, chatkey, chatKeyProp, when)
1846 if err != nil {
1847 elog.Printf("error saving chatkey: %s", err)
1848 }
1849 }
1850}
1851
1852func ingestpubkey(origin string, obj junk.Junk) {
1853 keyobj, ok := obj.GetMap("publicKey")
1854 if ok {
1855 obj = keyobj
1856 }
1857 keyname, ok := obj.GetString("id")
1858 var data string
1859 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1860 err := row.Scan(&data)
1861 if err == nil {
1862 return
1863 }
1864 if !ok || origin != originate(keyname) {
1865 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1866 return
1867 }
1868 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1869 owner, ok := obj.GetString("owner")
1870 if !ok {
1871 ilog.Printf("error finding %s pubkey owner", keyname)
1872 return
1873 }
1874 data, ok = obj.GetString("publicKeyPem")
1875 if !ok {
1876 ilog.Printf("error finding %s pubkey", keyname)
1877 return
1878 }
1879 if originate(owner) != origin {
1880 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1881 return
1882 }
1883 _, _, err = httpsig.DecodeKey(data)
1884 if err != nil {
1885 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1886 return
1887 }
1888 when := time.Now().UTC().Format(dbtimeformat)
1889 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1890 if err != nil {
1891 elog.Printf("error saving key: %s", err)
1892 }
1893}
1894
1895func ingestboxes(origin string, obj junk.Junk) {
1896 ident, _ := obj.GetString("id")
1897 if ident == "" {
1898 return
1899 }
1900 if originate(ident) != origin {
1901 return
1902 }
1903 var info string
1904 row := stmtGetXonker.QueryRow(ident, "boxes")
1905 err := row.Scan(&info)
1906 if err == nil {
1907 return
1908 }
1909 dlog.Printf("ingesting boxes: %s", ident)
1910 inbox, _ := obj.GetString("inbox")
1911 outbox, _ := obj.GetString("outbox")
1912 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1913 if inbox != "" {
1914 when := time.Now().UTC().Format(dbtimeformat)
1915 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1916 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1917 if err != nil {
1918 elog.Printf("error saving boxes: %s", err)
1919 }
1920 }
1921}
1922
1923func ingesthandle(origin string, obj junk.Junk) {
1924 xid, _ := obj.GetString("id")
1925 if xid == "" {
1926 return
1927 }
1928 if originate(xid) != origin {
1929 return
1930 }
1931 var handle string
1932 row := stmtGetXonker.QueryRow(xid, "handle")
1933 err := row.Scan(&handle)
1934 if err == nil {
1935 return
1936 }
1937 handle, _ = obj.GetString("preferredUsername")
1938 if handle != "" {
1939 when := time.Now().UTC().Format(dbtimeformat)
1940 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1941 if err != nil {
1942 elog.Printf("error saving handle: %s", err)
1943 }
1944 }
1945}
1946
1947func updateMe(username string) {
1948 user, _ := somenamedusers.Get(username)
1949 dt := time.Now().UTC().Format(time.RFC3339)
1950 j := junk.New()
1951 j["@context"] = itiswhatitis
1952 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1953 j["actor"] = user.URL
1954 j["published"] = dt
1955 j["to"] = thewholeworld
1956 j["type"] = "Update"
1957 j["object"] = junkuser(user)
1958
1959 msg := j.ToBytes()
1960
1961 rcpts := make(map[string]bool)
1962 for _, f := range getdubs(user.ID) {
1963 if f.XID == user.URL {
1964 continue
1965 }
1966 box, ok := boxofboxes.Get(f.XID)
1967 if ok && box.Shared != "" {
1968 rcpts["%"+box.Shared] = true
1969 } else {
1970 rcpts[f.XID] = true
1971 }
1972 }
1973 for a := range rcpts {
1974 go deliverate(user.ID, a, msg)
1975 }
1976}
1977
1978func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1979 folxid, _ := j.GetString("id")
1980
1981 ilog.Printf("updating honker follow: %s %s", who, folxid)
1982
1983 var x string
1984 db := opendatabase()
1985 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1986 err := row.Scan(&x)
1987 if err != sql.ErrNoRows {
1988 ilog.Printf("duplicate follow request: %s", who)
1989 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1990 if err != nil {
1991 elog.Printf("error updating honker: %s", err)
1992 }
1993 } else {
1994 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1995 }
1996 go rubadubdub(user, j)
1997}
1998
1999func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
2000 var folxid string
2001 if who == "" {
2002 folxid, _ = j.GetString("object")
2003
2004 db := opendatabase()
2005 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
2006 err := row.Scan(&who, &name)
2007 if err != nil {
2008 if err != sql.ErrNoRows {
2009 elog.Printf("error scanning honker: %s", err)
2010 }
2011 return
2012 }
2013 }
2014
2015 ilog.Printf("updating honker undo: %s %s", who, folxid)
2016 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
2017 if err != nil {
2018 elog.Printf("error updating honker: %s", err)
2019 return
2020 }
2021}
2022
2023func followyou(user *WhatAbout, honkerid int64, sync bool) {
2024 var url, owner string
2025 db := opendatabase()
2026 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
2027 honkerid, user.ID)
2028 err := row.Scan(&url, &owner)
2029 if err != nil {
2030 elog.Printf("can't get honker xid: %s", err)
2031 return
2032 }
2033 folxid := xfiltrate()
2034 ilog.Printf("subscribing to %s", url)
2035 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
2036 if err != nil {
2037 elog.Printf("error updating honker: %s", err)
2038 return
2039 }
2040 if sync {
2041 subsub(user, url, owner, folxid)
2042 } else {
2043 go subsub(user, url, owner, folxid)
2044 }
2045
2046}
2047func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
2048 db := opendatabase()
2049 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
2050 honkerid, user.ID)
2051 var url, owner, folxid, flavor string
2052 err := row.Scan(&url, &owner, &folxid, &flavor)
2053 if err != nil {
2054 elog.Printf("can't get honker xid: %s", err)
2055 return
2056 }
2057 if flavor == "peep" {
2058 return
2059 }
2060 ilog.Printf("unsubscribing from %s", url)
2061 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
2062 if err != nil {
2063 elog.Printf("error updating honker: %s", err)
2064 return
2065 }
2066 if sync {
2067 itakeitallback(user, url, owner, folxid)
2068 } else {
2069 go itakeitallback(user, url, owner, folxid)
2070 }
2071}
2072
2073func followyou2(user *WhatAbout, j junk.Junk) {
2074 who, _ := j.GetString("actor")
2075
2076 ilog.Printf("updating honker accept: %s", who)
2077 db := opendatabase()
2078 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2079 user.ID, who)
2080 var name, folxid string
2081 err := row.Scan(&name, &folxid)
2082 if err != nil {
2083 elog.Printf("can't get honker name: %s", err)
2084 return
2085 }
2086 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2087 if err != nil {
2088 elog.Printf("error updating honker: %s", err)
2089 return
2090 }
2091}
2092
2093func nofollowyou2(user *WhatAbout, j junk.Junk) {
2094 who, _ := j.GetString("actor")
2095
2096 ilog.Printf("updating honker reject: %s", who)
2097 db := opendatabase()
2098 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2099 user.ID, who)
2100 var name, folxid string
2101 err := row.Scan(&name, &folxid)
2102 if err != nil {
2103 elog.Printf("can't get honker name: %s", err)
2104 return
2105 }
2106 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2107 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2108 if err != nil {
2109 elog.Printf("error updating honker: %s", err)
2110 return
2111 }
2112}
2113
2114func multiRun[R any](fns []func() R) []R {
2115 results := make([]R, len(fns))
2116 var wg sync.WaitGroup
2117 for i, fn := range fns {
2118 wg.Add(1)
2119 go func(i int, fn func() R) {
2120 results[i] = fn()
2121 wg.Done()
2122 }(i, fn)
2123 }
2124 wg.Wait()
2125 return results
2126}