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