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