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/cache"
34 "humungus.tedunangst.com/r/webs/gate"
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 honkClient = http.Client{}
63
64func gogglesDoNothing() {
65 honkClient.Transport = &http.Transport{
66 TLSClientConfig: &tls.Config{
67 InsecureSkipVerify: true,
68 },
69 }
70}
71
72func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
73 return PostMsg(keyname, key, url, j.ToBytes())
74}
75
76func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
77 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
78 if err != nil {
79 return err
80 }
81 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
82 req.Header.Set("Content-Type", theonetruename)
83 httpsig.SignRequest(keyname, key, req, msg)
84 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
85 defer cancel()
86 req = req.WithContext(ctx)
87 resp, err := honkClient.Do(req)
88 if err != nil {
89 return err
90 }
91 resp.Body.Close()
92 switch resp.StatusCode {
93 case 200:
94 case 201:
95 case 202:
96 default:
97 return fmt.Errorf("http post status: %d", resp.StatusCode)
98 }
99 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
100 return nil
101}
102
103func GetJunk(userid int64, url string) (junk.Junk, error) {
104 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
105}
106
107func GetJunkFast(userid int64, url string) (junk.Junk, error) {
108 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
109}
110
111func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
112 j, err := GetJunk(userid, url)
113 if err != nil {
114 emsg := err.Error()
115 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
116 ilog.Printf("trying again after error: %s", emsg)
117 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
118 j, err = GetJunk(userid, url)
119 if err != nil {
120 ilog.Printf("still couldn't get it")
121 } else {
122 ilog.Printf("retry success!")
123 }
124 }
125 }
126 return j, err
127}
128
129var flightdeck = gate.NewSerializer()
130
131func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
132 if rejectorigin(userid, url, false) {
133 return nil, fmt.Errorf("rejected origin: %s", url)
134 }
135 sign := func(req *http.Request) error {
136 var ki *KeyInfo
137 ok := ziggies.Get(userid, &ki)
138 if ok {
139 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
140 }
141 return nil
142 }
143 if develMode {
144 sign = nil
145 }
146 client := honkClient
147 client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
148 if len(via) >= 5 {
149 return fmt.Errorf("stopped after 5 redirects")
150 }
151 if sign != nil {
152 sign(req)
153 }
154 return nil
155 }
156 fn := func() (interface{}, error) {
157 at := theonetruename
158 if strings.Contains(url, ".well-known/webfinger?resource") {
159 at = "application/jrd+json"
160 }
161 j, err := junk.Get(url, junk.GetArgs{
162 Accept: at,
163 Agent: "honksnonk/5.0; " + serverName,
164 Timeout: timeout,
165 Client: &client,
166 Fixup: sign,
167 })
168 return j, err
169 }
170
171 ji, err := flightdeck.Call(url, fn)
172 if err != nil {
173 return nil, err
174 }
175 j := ji.(junk.Junk)
176 return j, nil
177}
178
179func fetchsome(url string) ([]byte, error) {
180 req, err := http.NewRequest("GET", url, nil)
181 if err != nil {
182 ilog.Printf("error fetching %s: %s", url, err)
183 return nil, err
184 }
185 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
186 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
187 defer cancel()
188 req = req.WithContext(ctx)
189 resp, err := honkClient.Do(req)
190 if err != nil {
191 ilog.Printf("error fetching %s: %s", url, err)
192 return nil, err
193 }
194 defer resp.Body.Close()
195 switch resp.StatusCode {
196 case 200:
197 case 201:
198 case 202:
199 default:
200 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
201 }
202 var buf bytes.Buffer
203 limiter := io.LimitReader(resp.Body, 10*1024*1024)
204 io.Copy(&buf, limiter)
205 return buf.Bytes(), nil
206}
207
208func savedonk(url string, name, desc, media string, localize bool) *Donk {
209 if url == "" {
210 return nil
211 }
212 if donk := finddonk(url); donk != nil {
213 return donk
214 }
215 ilog.Printf("saving donk: %s", url)
216 data := []byte{}
217 if localize {
218 fn := func() (interface{}, error) {
219 return fetchsome(url)
220 }
221 ii, err := flightdeck.Call(url, fn)
222 if err != nil {
223 ilog.Printf("error fetching donk: %s", err)
224 localize = false
225 goto saveit
226 }
227 data = ii.([]byte)
228
229 if len(data) == 10*1024*1024 {
230 ilog.Printf("truncation likely")
231 }
232 if strings.HasPrefix(media, "image") {
233 img, err := shrinkit(data)
234 if err != nil {
235 ilog.Printf("unable to decode image: %s", err)
236 localize = false
237 data = []byte{}
238 goto saveit
239 }
240 data = img.Data
241 media = "image/" + img.Format
242 } else if media == "application/pdf" {
243 if len(data) > 1000000 {
244 ilog.Printf("not saving large pdf")
245 localize = false
246 data = []byte{}
247 }
248 } else if len(data) > 100000 {
249 ilog.Printf("not saving large attachment")
250 localize = false
251 data = []byte{}
252 }
253 }
254saveit:
255 fileid, err := savefile(name, desc, url, media, localize, data)
256 if err != nil {
257 elog.Printf("error saving file %s: %s", url, err)
258 return nil
259 }
260 donk := new(Donk)
261 donk.FileID = fileid
262 return donk
263}
264
265func iszonked(userid int64, xid string) bool {
266 var id int64
267 row := stmtFindZonk.QueryRow(userid, xid)
268 err := row.Scan(&id)
269 if err == nil {
270 return true
271 }
272 if err != sql.ErrNoRows {
273 ilog.Printf("error querying zonk: %s", err)
274 }
275 return false
276}
277
278func needxonk(user *WhatAbout, x *Honk) bool {
279 if rejectxonk(x) {
280 return false
281 }
282 return needxonkid(user, x.XID)
283}
284func needbonkid(user *WhatAbout, xid string) bool {
285 return needxonkidX(user, xid, true)
286}
287func needxonkid(user *WhatAbout, xid string) bool {
288 return needxonkidX(user, xid, false)
289}
290func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
291 if !strings.HasPrefix(xid, "https://") {
292 return false
293 }
294 if strings.HasPrefix(xid, user.URL+"/") {
295 return false
296 }
297 if rejectorigin(user.ID, xid, isannounce) {
298 ilog.Printf("rejecting origin: %s", xid)
299 return false
300 }
301 if iszonked(user.ID, xid) {
302 ilog.Printf("already zonked: %s", xid)
303 return false
304 }
305 var id int64
306 row := stmtFindXonk.QueryRow(user.ID, xid)
307 err := row.Scan(&id)
308 if err == nil {
309 return false
310 }
311 if err != sql.ErrNoRows {
312 ilog.Printf("error querying xonk: %s", err)
313 }
314 return true
315}
316
317func eradicatexonk(userid int64, xid string) {
318 xonk := getxonk(userid, xid)
319 if xonk != nil {
320 deletehonk(xonk.ID)
321 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
322 if err != nil {
323 elog.Printf("error eradicating: %s", err)
324 }
325 }
326}
327
328func savexonk(x *Honk) {
329 ilog.Printf("saving xonk: %s", x.XID)
330 go handles(x.Honker)
331 go handles(x.Oonker)
332 savehonk(x)
333}
334
335type Box struct {
336 In string
337 Out string
338 Shared string
339}
340
341var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
342 var info string
343 row := stmtGetXonker.QueryRow(ident, "boxes")
344 err := row.Scan(&info)
345 if err != nil {
346 dlog.Printf("need to get boxes for %s", ident)
347 var j junk.Junk
348 j, err = GetJunk(readyLuserOne, ident)
349 if err != nil {
350 dlog.Printf("error getting boxes: %s", err)
351 return nil, false
352 }
353 allinjest(originate(ident), j)
354 row = stmtGetXonker.QueryRow(ident, "boxes")
355 err = row.Scan(&info)
356 }
357 if err == nil {
358 m := strings.Split(info, " ")
359 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
360 return b, true
361 }
362 return nil, false
363}})
364
365func gimmexonks(user *WhatAbout, outbox string) {
366 dlog.Printf("getting outbox: %s", outbox)
367 j, err := GetJunk(user.ID, outbox)
368 if err != nil {
369 ilog.Printf("error getting outbox: %s", err)
370 return
371 }
372 t, _ := j.GetString("type")
373 origin := originate(outbox)
374 if t == "OrderedCollection" {
375 items, _ := j.GetArray("orderedItems")
376 if items == nil {
377 items, _ = j.GetArray("items")
378 }
379 if items == nil {
380 obj, ok := j.GetMap("first")
381 if ok {
382 items, _ = obj.GetArray("orderedItems")
383 } else {
384 page1, ok := j.GetString("first")
385 if ok {
386 j, err = GetJunk(user.ID, page1)
387 if err != nil {
388 ilog.Printf("error getting page1: %s", err)
389 return
390 }
391 items, _ = j.GetArray("orderedItems")
392 }
393 }
394 }
395 if len(items) > 20 {
396 items = items[0:20]
397 }
398 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
399 items[i], items[j] = items[j], items[i]
400 }
401 for _, item := range items {
402 obj, ok := item.(junk.Junk)
403 if ok {
404 xonksaver(user, obj, origin)
405 continue
406 }
407 xid, ok := item.(string)
408 if ok {
409 if !needxonkid(user, xid) {
410 continue
411 }
412 obj, err = GetJunk(user.ID, xid)
413 if err != nil {
414 ilog.Printf("error getting item: %s", err)
415 continue
416 }
417 xonksaver(user, obj, originate(xid))
418 }
419 }
420 }
421}
422
423func newphone(a []string, obj junk.Junk) []string {
424 for _, addr := range []string{"to", "cc", "attributedTo"} {
425 who, _ := obj.GetString(addr)
426 if who != "" {
427 a = append(a, who)
428 }
429 whos, _ := obj.GetArray(addr)
430 for _, w := range whos {
431 who, _ := w.(string)
432 if who != "" {
433 a = append(a, who)
434 }
435 }
436 }
437 return a
438}
439
440func extractattrto(obj junk.Junk) string {
441 arr := oneforall(obj, "attributedTo")
442 for _, a := range arr {
443 s, ok := a.(string)
444 if ok {
445 return s
446 }
447 o, ok := a.(junk.Junk)
448 if ok {
449 t, _ := o.GetString("type")
450 id, _ := o.GetString("id")
451 if t == "Person" || t == "" {
452 return id
453 }
454 }
455 }
456 return ""
457}
458
459func oneforall(obj junk.Junk, key string) []interface{} {
460 if val, ok := obj.GetMap(key); ok {
461 return []interface{}{val}
462 }
463 if str, ok := obj.GetString(key); ok {
464 return []interface{}{str}
465 }
466 arr, _ := obj.GetArray(key)
467 return arr
468}
469
470func firstofmany(obj junk.Junk, key string) string {
471 if val, _ := obj.GetString(key); val != "" {
472 return val
473 }
474 if arr, _ := obj.GetArray(key); len(arr) > 0 {
475 val, ok := arr[0].(string)
476 if ok {
477 return val
478 }
479 }
480 return ""
481}
482
483var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
484var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)/([[:digit:]]+)`)
485var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
486var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
487var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
488var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
489var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
490
491func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
492 depth := 0
493 maxdepth := 10
494 currenttid := ""
495 goingup := 0
496 var xonkxonkfn func(junk.Junk, string, bool, string) *Honk
497
498 qutify := func(user *WhatAbout, content string) string {
499 if depth >= maxdepth {
500 ilog.Printf("in too deep")
501 return content
502 }
503 // well this is gross
504 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
505 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
506 mlinks := re_qtlinks.FindAllString(malcontent, -1)
507 for _, m := range mlinks {
508 tryit := false
509 m = m[1 : len(m)-1]
510 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
511 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
512 re_roma1ink.MatchString(m) {
513 tryit = true
514 } else if re_masto1ink.MatchString(m) {
515 m = re_masto1ink.ReplaceAllString(m, "https://$1/users/$2/statuses/$3")
516 tryit = true
517 }
518 if tryit {
519 if x := getxonk(user.ID, m); x != nil {
520 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, x.Noise)
521 } else if j, err := GetJunk(user.ID, m); err == nil {
522 q, ok := j.GetString("content")
523 if ok {
524 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
525 }
526 prevdepth := depth
527 depth = maxdepth
528 xonkxonkfn(j, originate(m), false, "")
529 depth = prevdepth
530 }
531 }
532 }
533 return content
534 }
535
536 saveonemore := func(xid string) {
537 dlog.Printf("getting onemore: %s", xid)
538 if depth >= maxdepth {
539 ilog.Printf("in too deep")
540 return
541 }
542 obj, err := GetJunkHardMode(user.ID, xid)
543 if err != nil {
544 ilog.Printf("error getting onemore: %s: %s", xid, err)
545 return
546 }
547 xonkxonkfn(obj, originate(xid), false, "")
548 }
549
550 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
551 id, _ := item.GetString("id")
552 what := firstofmany(item, "type")
553 dt, ok := item.GetString("published")
554 if !ok {
555 dt = time.Now().Format(time.RFC3339)
556 }
557 if depth >= maxdepth+5 {
558 ilog.Printf("went too deep in xonkxonk")
559 return nil
560 }
561 depth++
562 defer func() { depth-- }()
563
564 var err error
565 var xid, rid, url, convoy string
566 var replies []string
567 var obj junk.Junk
568 waspage := false
569 preferorig := false
570 switch what {
571 case "Delete":
572 obj, ok = item.GetMap("object")
573 if ok {
574 xid, _ = obj.GetString("id")
575 } else {
576 xid, _ = item.GetString("object")
577 }
578 if xid == "" {
579 return nil
580 }
581 if originate(xid) != origin {
582 ilog.Printf("forged delete: %s", xid)
583 return nil
584 }
585 ilog.Printf("eradicating %s", xid)
586 eradicatexonk(user.ID, xid)
587 return nil
588 case "Remove":
589 xid, _ = item.GetString("object")
590 targ, _ := obj.GetString("target")
591 ilog.Printf("remove %s from %s", obj, targ)
592 return nil
593 case "Tombstone":
594 xid, _ = item.GetString("id")
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 "Announce":
606 obj, ok = item.GetMap("object")
607 if ok {
608 // peek ahead some
609 what, ok := obj.GetString("type")
610 if ok && (what == "Create" || what == "Update") {
611 if what == "Update" {
612 isUpdate = true
613 }
614 inner, ok := obj.GetMap("object")
615 if ok {
616 obj = inner
617 } else {
618 xid, _ = obj.GetString("object")
619 }
620 }
621 if xid == "" {
622 xid, _ = obj.GetString("id")
623 }
624 } else {
625 xid, _ = item.GetString("object")
626 }
627 if !isUpdate && !needbonkid(user, xid) {
628 return nil
629 }
630 bonker, _ = item.GetString("actor")
631 origin = originate(xid)
632 if ok && originate(id) == origin {
633 dlog.Printf("using object in announce for %s", xid)
634 } else {
635 dlog.Printf("getting bonk: %s", xid)
636 obj, err = GetJunkHardMode(user.ID, xid)
637 if err != nil {
638 ilog.Printf("error getting bonk: %s: %s", xid, err)
639 return nil
640 }
641 }
642 return xonkxonkfn(obj, origin, isUpdate, bonker)
643 case "Update":
644 isUpdate = true
645 fallthrough
646 case "Create":
647 obj, ok = item.GetMap("object")
648 if !ok {
649 xid, _ = item.GetString("object")
650 dlog.Printf("getting created honk: %s", xid)
651 if originate(xid) != origin {
652 ilog.Printf("out of bounds %s not from %s", xid, origin)
653 return nil
654 }
655 obj, err = GetJunkHardMode(user.ID, xid)
656 if err != nil {
657 ilog.Printf("error getting creation: %s", err)
658 }
659 }
660 if obj == nil {
661 ilog.Printf("no object for creation %s", id)
662 return nil
663 }
664 return xonkxonkfn(obj, origin, isUpdate, bonker)
665 case "Read":
666 xid, ok = item.GetString("object")
667 if ok {
668 if !needxonkid(user, xid) {
669 dlog.Printf("don't need read obj: %s", xid)
670 return nil
671 }
672 obj, err = GetJunkHardMode(user.ID, xid)
673 if err != nil {
674 ilog.Printf("error getting read: %s", err)
675 return nil
676 }
677 return xonkxonkfn(obj, originate(xid), false, "")
678 }
679 return nil
680 case "Add":
681 xid, ok = item.GetString("object")
682 if ok {
683 // check target...
684 if !needxonkid(user, xid) {
685 dlog.Printf("don't need added obj: %s", xid)
686 return nil
687 }
688 obj, err = GetJunkHardMode(user.ID, xid)
689 if err != nil {
690 ilog.Printf("error getting add: %s", err)
691 return nil
692 }
693 return xonkxonkfn(obj, originate(xid), false, "")
694 }
695 return nil
696 case "Move":
697 obj = item
698 what = "move"
699 case "Page":
700 waspage = true
701 fallthrough
702 case "Audio":
703 fallthrough
704 case "Image":
705 if what == "Image" {
706 preferorig = true
707 }
708 fallthrough
709 case "Video":
710 fallthrough
711 case "Question":
712 fallthrough
713 case "Note":
714 fallthrough
715 case "Article":
716 obj = item
717 what = "honk"
718 case "Event":
719 obj = item
720 what = "event"
721 case "ChatMessage":
722 bonker = ""
723 obj = item
724 what = "chonk"
725 default:
726 ilog.Printf("unknown activity: %s", what)
727 dumpactivity(item)
728 return nil
729 }
730 if bonker != "" {
731 what = "bonk"
732 }
733
734 if obj != nil {
735 xid, _ = obj.GetString("id")
736 }
737
738 if xid == "" {
739 ilog.Printf("don't know what xid is")
740 item.Write(ilog.Writer())
741 return nil
742 }
743 if originate(xid) != origin {
744 if !develMode && origin != "" {
745 ilog.Printf("original sin: %s not from %s", xid, origin)
746 item.Write(ilog.Writer())
747 return nil
748 }
749 }
750
751 var xonk Honk
752 // early init
753 xonk.XID = xid
754 xonk.UserID = user.ID
755 xonk.Honker, _ = item.GetString("actor")
756 if xonk.Honker == "" {
757 xonk.Honker, _ = item.GetString("attributedTo")
758 }
759 if obj != nil {
760 if xonk.Honker == "" {
761 xonk.Honker = extractattrto(obj)
762 }
763 if bonker != "" {
764 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
765 }
766 if xonk.Oonker == xonk.Honker {
767 xonk.Oonker = ""
768 }
769 xonk.Audience = newphone(nil, obj)
770 }
771 xonk.Audience = append(xonk.Audience, xonk.Honker)
772 xonk.Audience = oneofakind(xonk.Audience)
773 xonk.Public = loudandproud(xonk.Audience)
774
775 var mentions []Mention
776 if obj != nil {
777 ot, _ := obj.GetString("type")
778 url, _ = obj.GetString("url")
779 if dt2, ok := obj.GetString("published"); ok {
780 dt = dt2
781 }
782 content, _ := obj.GetString("content")
783 if !strings.HasPrefix(content, "<p>") {
784 content = "<p>" + content
785 }
786 precis, _ := obj.GetString("summary")
787 if name, ok := obj.GetString("name"); ok {
788 if precis != "" {
789 content = precis + "<p>" + content
790 }
791 precis = html.EscapeString(name)
792 }
793 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
794 precis = "unspecified horror"
795 }
796 if waspage {
797 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
798 url = xid
799 }
800 if user.Options.InlineQuotes {
801 content = qutify(user, content)
802 }
803 rid, ok = obj.GetString("inReplyTo")
804 if !ok {
805 if robj, ok := obj.GetMap("inReplyTo"); ok {
806 rid, _ = robj.GetString("id")
807 }
808 }
809 convoy, _ = obj.GetString("context")
810 if convoy == "" {
811 convoy, _ = obj.GetString("conversation")
812 }
813 if ot == "Question" {
814 if what == "honk" {
815 what = "qonk"
816 }
817 content += "<ul>"
818 ans, _ := obj.GetArray("oneOf")
819 for _, ai := range ans {
820 a, ok := ai.(junk.Junk)
821 if !ok {
822 continue
823 }
824 as, _ := a.GetString("name")
825 content += "<li>" + as
826 }
827 ans, _ = obj.GetArray("anyOf")
828 for _, ai := range ans {
829 a, ok := ai.(junk.Junk)
830 if !ok {
831 continue
832 }
833 as, _ := a.GetString("name")
834 content += "<li>" + as
835 }
836 content += "</ul>"
837 }
838 if ot == "Move" {
839 targ, _ := obj.GetString("target")
840 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
841 }
842 if len(content) > 90001 {
843 ilog.Printf("content too long. truncating")
844 content = content[:90001]
845 }
846
847 xonk.Noise = content
848 xonk.Precis = precis
849 if rejectxonk(&xonk) {
850 dlog.Printf("fast reject: %s", xid)
851 return nil
852 }
853
854 numatts := 0
855 procatt := func(att junk.Junk) {
856 at, _ := att.GetString("type")
857 mt, _ := att.GetString("mediaType")
858 if mt == "" {
859 mt = "image"
860 }
861 u, ok := att.GetString("url")
862 if !ok {
863 u, ok = att.GetString("href")
864 }
865 if !ok {
866 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
867 u, ok = ua[0].(string)
868 if !ok {
869 if uu, ok := ua[0].(junk.Junk); ok {
870 u, _ = uu.GetString("href")
871 if mt == "" {
872 mt, _ = uu.GetString("mediaType")
873 }
874 }
875 }
876 } else if uu, ok := att.GetMap("url"); ok {
877 u, _ = uu.GetString("href")
878 if mt == "" {
879 mt, _ = uu.GetString("mediaType")
880 }
881 }
882 }
883 name, _ := att.GetString("name")
884 desc, _ := att.GetString("summary")
885 desc = html.UnescapeString(desc)
886 if desc == "" {
887 desc = name
888 }
889 localize := false
890 if at == "Document" || at == "Image" {
891 mt = strings.ToLower(mt)
892 dlog.Printf("attachment: %s %s", mt, u)
893 if mt == "text/plain" || mt == "application/pdf" ||
894 strings.HasPrefix(mt, "image") {
895 if numatts > 4 {
896 ilog.Printf("excessive attachment: %s", at)
897 } else {
898 localize = true
899 }
900 }
901 } else if at == "Link" {
902 if waspage {
903 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
904 return
905 }
906 if name == "" {
907 name = u
908 }
909 } else {
910 ilog.Printf("unknown attachment: %s", at)
911 }
912 if skipMedia(&xonk) {
913 localize = false
914 }
915 if preferorig && !localize {
916 return
917 }
918 donk := savedonk(u, name, desc, mt, localize)
919 if donk != nil {
920 xonk.Donks = append(xonk.Donks, donk)
921 }
922 numatts++
923 }
924 if img, ok := obj.GetMap("image"); ok {
925 procatt(img)
926 }
927 if preferorig {
928 atts, _ := obj.GetArray("url")
929 for _, atti := range atts {
930 att, ok := atti.(junk.Junk)
931 if !ok {
932 ilog.Printf("attachment that wasn't map?")
933 continue
934 }
935 procatt(att)
936 }
937 if numatts == 0 {
938 preferorig = false
939 }
940 }
941 if !preferorig {
942 atts := oneforall(obj, "attachment")
943 for _, atti := range atts {
944 att, ok := atti.(junk.Junk)
945 if !ok {
946 ilog.Printf("attachment that wasn't map?")
947 continue
948 }
949 procatt(att)
950 }
951 }
952 proctag := func(tag junk.Junk) {
953 tt, _ := tag.GetString("type")
954 name, _ := tag.GetString("name")
955 desc, _ := tag.GetString("summary")
956 desc = html.UnescapeString(desc)
957 if desc == "" {
958 desc = name
959 }
960 if tt == "Emoji" {
961 icon, _ := tag.GetMap("icon")
962 mt, _ := icon.GetString("mediaType")
963 if mt == "" {
964 mt = "image/png"
965 }
966 u, _ := icon.GetString("url")
967 donk := savedonk(u, name, desc, mt, true)
968 if donk != nil {
969 xonk.Donks = append(xonk.Donks, donk)
970 }
971 }
972 if tt == "Hashtag" {
973 if name == "" || name == "#" {
974 // skip it
975 } else {
976 if name[0] != '#' {
977 name = "#" + name
978 }
979 xonk.Onts = append(xonk.Onts, name)
980 }
981 }
982 if tt == "Place" {
983 p := new(Place)
984 p.Name = name
985 p.Latitude, _ = tag.GetNumber("latitude")
986 p.Longitude, _ = tag.GetNumber("longitude")
987 p.Url, _ = tag.GetString("url")
988 xonk.Place = p
989 }
990 if tt == "Mention" {
991 var m Mention
992 m.Who, _ = tag.GetString("name")
993 m.Where, _ = tag.GetString("href")
994 mentions = append(mentions, m)
995 }
996 }
997 tags := oneforall(obj, "tag")
998 for _, tagi := range tags {
999 tag, ok := tagi.(junk.Junk)
1000 if !ok {
1001 continue
1002 }
1003 proctag(tag)
1004 }
1005 if starttime, ok := obj.GetString("startTime"); ok {
1006 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1007 t := new(Time)
1008 t.StartTime = start
1009 endtime, _ := obj.GetString("endTime")
1010 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1011 dura, _ := obj.GetString("duration")
1012 if strings.HasPrefix(dura, "PT") {
1013 dura = strings.ToLower(dura[2:])
1014 d, _ := time.ParseDuration(dura)
1015 t.Duration = Duration(d)
1016 }
1017 xonk.Time = t
1018 }
1019 }
1020 if loca, ok := obj.GetMap("location"); ok {
1021 if tt, _ := loca.GetString("type"); tt == "Place" {
1022 p := new(Place)
1023 p.Name, _ = loca.GetString("name")
1024 p.Latitude, _ = loca.GetNumber("latitude")
1025 p.Longitude, _ = loca.GetNumber("longitude")
1026 p.Url, _ = loca.GetString("url")
1027 xonk.Place = p
1028 }
1029 }
1030
1031 xonk.Onts = oneofakind(xonk.Onts)
1032 replyobj, ok := obj.GetMap("replies")
1033 if ok {
1034 items, ok := replyobj.GetArray("items")
1035 if !ok {
1036 first, ok := replyobj.GetMap("first")
1037 if ok {
1038 items, _ = first.GetArray("items")
1039 }
1040 }
1041 for _, repl := range items {
1042 s, ok := repl.(string)
1043 if ok {
1044 replies = append(replies, s)
1045 }
1046 }
1047 }
1048
1049 }
1050
1051 if currenttid == "" {
1052 currenttid = convoy
1053 }
1054
1055 // init xonk
1056 xonk.What = what
1057 xonk.RID = rid
1058 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1059 xonk.URL = url
1060 xonk.Format = "html"
1061 xonk.Convoy = convoy
1062 xonk.Mentions = mentions
1063 for _, m := range mentions {
1064 if m.Where == user.URL {
1065 xonk.Whofore = 1
1066 }
1067 }
1068 imaginate(&xonk)
1069
1070 if what == "chonk" {
1071 target, _ := obj.GetString("to")
1072 if target == user.URL {
1073 target = xonk.Honker
1074 }
1075 ch := Chonk{
1076 UserID: xonk.UserID,
1077 XID: xid,
1078 Who: xonk.Honker,
1079 Target: target,
1080 Date: xonk.Date,
1081 Noise: xonk.Noise,
1082 Format: xonk.Format,
1083 Donks: xonk.Donks,
1084 }
1085 savechonk(&ch)
1086 return nil
1087 }
1088
1089 if isUpdate {
1090 dlog.Printf("something has changed! %s", xonk.XID)
1091 prev := getxonk(user.ID, xonk.XID)
1092 if prev == nil {
1093 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1094 isUpdate = false
1095 } else {
1096 xonk.ID = prev.ID
1097 updatehonk(&xonk)
1098 }
1099 }
1100 if !isUpdate && needxonk(user, &xonk) {
1101 if rid != "" && xonk.Public {
1102 if needxonkid(user, rid) {
1103 goingup++
1104 saveonemore(rid)
1105 goingup--
1106 }
1107 if convoy == "" {
1108 xx := getxonk(user.ID, rid)
1109 if xx != nil {
1110 convoy = xx.Convoy
1111 }
1112 }
1113 }
1114 if convoy == "" {
1115 convoy = currenttid
1116 }
1117 if convoy == "" {
1118 convoy = "data:,missing-" + xfiltrate()
1119 currenttid = convoy
1120 }
1121 xonk.Convoy = convoy
1122 savexonk(&xonk)
1123 }
1124 if goingup == 0 {
1125 for _, replid := range replies {
1126 if needxonkid(user, replid) {
1127 dlog.Printf("missing a reply: %s", replid)
1128 saveonemore(replid)
1129 }
1130 }
1131 }
1132 return &xonk
1133 }
1134
1135 return xonkxonkfn(item, origin, false, "")
1136}
1137
1138func dumpactivity(item junk.Junk) {
1139 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1140 if err != nil {
1141 elog.Printf("error opening inbox! %s", err)
1142 return
1143 }
1144 defer fd.Close()
1145 item.Write(fd)
1146 io.WriteString(fd, "\n")
1147}
1148
1149func rubadubdub(user *WhatAbout, req junk.Junk) {
1150 actor, _ := req.GetString("actor")
1151 j := junk.New()
1152 j["@context"] = itiswhatitis
1153 j["id"] = user.URL + "/dub/" + xfiltrate()
1154 j["type"] = "Accept"
1155 j["actor"] = user.URL
1156 j["to"] = actor
1157 j["published"] = time.Now().UTC().Format(time.RFC3339)
1158 j["object"] = req
1159
1160 deliverate(user.ID, actor, j.ToBytes())
1161}
1162
1163func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1164 j := junk.New()
1165 j["@context"] = itiswhatitis
1166 j["id"] = user.URL + "/unsub/" + folxid
1167 j["type"] = "Undo"
1168 j["actor"] = user.URL
1169 j["to"] = owner
1170 f := junk.New()
1171 f["id"] = user.URL + "/sub/" + folxid
1172 f["type"] = "Follow"
1173 f["actor"] = user.URL
1174 f["to"] = owner
1175 f["object"] = xid
1176 j["object"] = f
1177 j["published"] = time.Now().UTC().Format(time.RFC3339)
1178
1179 deliverate(user.ID, owner, j.ToBytes())
1180}
1181
1182func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1183 if xid == "" {
1184 ilog.Printf("can't subscribe to empty")
1185 return
1186 }
1187 j := junk.New()
1188 j["@context"] = itiswhatitis
1189 j["id"] = user.URL + "/sub/" + folxid
1190 j["type"] = "Follow"
1191 j["actor"] = user.URL
1192 j["to"] = owner
1193 j["object"] = xid
1194 j["published"] = time.Now().UTC().Format(time.RFC3339)
1195
1196 deliverate(user.ID, owner, j.ToBytes())
1197}
1198
1199func activatedonks(donks []*Donk) []junk.Junk {
1200 var atts []junk.Junk
1201 for _, d := range donks {
1202 if re_emus.MatchString(d.Name) {
1203 continue
1204 }
1205 jd := junk.New()
1206 jd["mediaType"] = d.Media
1207 jd["name"] = d.Name
1208 jd["summary"] = html.EscapeString(d.Desc)
1209 jd["type"] = "Document"
1210 jd["url"] = d.URL
1211 atts = append(atts, jd)
1212 }
1213 return atts
1214}
1215
1216// returns activity, object
1217func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1218 dt := h.Date.Format(time.RFC3339)
1219 var jo junk.Junk
1220 j := junk.New()
1221 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1222 j["actor"] = user.URL
1223 j["published"] = dt
1224 j["to"] = h.Audience[0]
1225 if len(h.Audience) > 1 {
1226 j["cc"] = h.Audience[1:]
1227 }
1228
1229 switch h.What {
1230 case "update":
1231 fallthrough
1232 case "event":
1233 fallthrough
1234 case "honk":
1235 j["type"] = "Create"
1236 jo = junk.New()
1237 jo["id"] = h.XID
1238 jo["type"] = "Note"
1239 if h.What == "event" {
1240 jo["type"] = "Event"
1241 }
1242 if h.What == "update" {
1243 j["type"] = "Update"
1244 jo["updated"] = dt
1245 }
1246 jo["published"] = dt
1247 jo["url"] = h.XID
1248 jo["attributedTo"] = user.URL
1249 if h.RID != "" {
1250 jo["inReplyTo"] = h.RID
1251 }
1252 if h.Convoy != "" {
1253 jo["context"] = h.Convoy
1254 jo["conversation"] = h.Convoy
1255 }
1256 jo["to"] = h.Audience[0]
1257 if len(h.Audience) > 1 {
1258 jo["cc"] = h.Audience[1:]
1259 }
1260 if !h.Public {
1261 jo["directMessage"] = true
1262 }
1263 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1264 translate(h)
1265 redoimages(h)
1266 if h.Precis != "" {
1267 jo["sensitive"] = true
1268 }
1269
1270 var replies []string
1271 for _, reply := range h.Replies {
1272 replies = append(replies, reply.XID)
1273 }
1274 if len(replies) > 0 {
1275 jr := junk.New()
1276 jr["type"] = "Collection"
1277 jr["totalItems"] = len(replies)
1278 jr["items"] = replies
1279 jo["replies"] = jr
1280 }
1281
1282 var tags []junk.Junk
1283 for _, m := range h.Mentions {
1284 t := junk.New()
1285 t["type"] = "Mention"
1286 t["name"] = m.Who
1287 t["href"] = m.Where
1288 tags = append(tags, t)
1289 }
1290 for _, o := range h.Onts {
1291 t := junk.New()
1292 t["type"] = "Hashtag"
1293 o = strings.ToLower(o)
1294 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1295 t["name"] = o
1296 tags = append(tags, t)
1297 }
1298 for _, e := range herdofemus(h.Noise) {
1299 t := junk.New()
1300 t["id"] = e.ID
1301 t["type"] = "Emoji"
1302 t["name"] = e.Name
1303 i := junk.New()
1304 i["type"] = "Image"
1305 i["mediaType"] = e.Type
1306 i["url"] = e.ID
1307 t["icon"] = i
1308 tags = append(tags, t)
1309 }
1310 for _, e := range fixupflags(h) {
1311 t := junk.New()
1312 t["id"] = e.ID
1313 t["type"] = "Emoji"
1314 t["name"] = e.Name
1315 i := junk.New()
1316 i["type"] = "Image"
1317 i["mediaType"] = "image/png"
1318 i["url"] = e.ID
1319 t["icon"] = i
1320 tags = append(tags, t)
1321 }
1322 if len(tags) > 0 {
1323 jo["tag"] = tags
1324 }
1325 if p := h.Place; p != nil {
1326 t := junk.New()
1327 t["type"] = "Place"
1328 if p.Name != "" {
1329 t["name"] = p.Name
1330 }
1331 if p.Latitude != 0 {
1332 t["latitude"] = p.Latitude
1333 }
1334 if p.Longitude != 0 {
1335 t["longitude"] = p.Longitude
1336 }
1337 if p.Url != "" {
1338 t["url"] = p.Url
1339 }
1340 jo["location"] = t
1341 }
1342 if t := h.Time; t != nil {
1343 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1344 if t.Duration != 0 {
1345 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1346 }
1347 }
1348 atts := activatedonks(h.Donks)
1349 if len(atts) > 0 {
1350 jo["attachment"] = atts
1351 }
1352 jo["summary"] = h.Precis
1353 jo["content"] = h.Noise
1354 j["object"] = jo
1355 case "bonk":
1356 j["type"] = "Announce"
1357 if h.Convoy != "" {
1358 j["context"] = h.Convoy
1359 }
1360 j["object"] = h.XID
1361 case "unbonk":
1362 b := junk.New()
1363 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1364 b["type"] = "Announce"
1365 b["actor"] = user.URL
1366 if h.Convoy != "" {
1367 b["context"] = h.Convoy
1368 }
1369 b["object"] = h.XID
1370 j["type"] = "Undo"
1371 j["object"] = b
1372 case "zonk":
1373 j["type"] = "Delete"
1374 j["object"] = h.XID
1375 case "ack":
1376 j["type"] = "Read"
1377 j["object"] = h.XID
1378 if h.Convoy != "" {
1379 j["context"] = h.Convoy
1380 }
1381 case "react":
1382 j["type"] = "EmojiReact"
1383 j["object"] = h.XID
1384 if h.Convoy != "" {
1385 j["context"] = h.Convoy
1386 }
1387 j["content"] = h.Noise
1388 case "deack":
1389 b := junk.New()
1390 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1391 b["type"] = "Read"
1392 b["actor"] = user.URL
1393 b["object"] = h.XID
1394 if h.Convoy != "" {
1395 b["context"] = h.Convoy
1396 }
1397 j["type"] = "Undo"
1398 j["object"] = b
1399 }
1400
1401 return j, jo
1402}
1403
1404var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1405 row := stmtAnyXonk.QueryRow(xid)
1406 honk := scanhonk(row)
1407 if honk == nil || !honk.Public {
1408 return nil, true
1409 }
1410 user, _ := butwhatabout(honk.Username)
1411 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1412 reversehonks(rawhonks)
1413 for _, h := range rawhonks {
1414 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1415 honk.Replies = append(honk.Replies, h)
1416 }
1417 }
1418 donksforhonks([]*Honk{honk})
1419 _, j := jonkjonk(user, honk)
1420 if j == nil {
1421 elog.Fatalf("what just happened? %v", honk)
1422 }
1423 j["@context"] = itiswhatitis
1424
1425 return j.ToBytes(), true
1426}, Limit: 128})
1427
1428func gimmejonk(xid string) ([]byte, bool) {
1429 var j []byte
1430 ok := oldjonks.Get(xid, &j)
1431 return j, ok
1432}
1433
1434func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1435 rcpts := make(map[string]bool)
1436 for _, a := range addresses {
1437 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1438 continue
1439 }
1440 if a[0] == '%' {
1441 rcpts[a] = true
1442 continue
1443 }
1444 var box *Box
1445 ok := boxofboxes.Get(a, &box)
1446 if ok && useshared && box.Shared != "" {
1447 rcpts["%"+box.Shared] = true
1448 } else {
1449 rcpts[a] = true
1450 }
1451 }
1452 return rcpts
1453}
1454
1455func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1456 dt := ch.Date.Format(time.RFC3339)
1457 aud := []string{ch.Target}
1458
1459 jo := junk.New()
1460 jo["id"] = ch.XID
1461 jo["type"] = "ChatMessage"
1462 jo["published"] = dt
1463 jo["attributedTo"] = user.URL
1464 jo["to"] = aud
1465 jo["content"] = ch.HTML
1466 atts := activatedonks(ch.Donks)
1467 if len(atts) > 0 {
1468 jo["attachment"] = atts
1469 }
1470 var tags []junk.Junk
1471 for _, e := range herdofemus(ch.Noise) {
1472 t := junk.New()
1473 t["id"] = e.ID
1474 t["type"] = "Emoji"
1475 t["name"] = e.Name
1476 i := junk.New()
1477 i["type"] = "Image"
1478 i["mediaType"] = e.Type
1479 i["url"] = e.ID
1480 t["icon"] = i
1481 tags = append(tags, t)
1482 }
1483 if len(tags) > 0 {
1484 jo["tag"] = tags
1485 }
1486
1487 j := junk.New()
1488 j["@context"] = itiswhatitis
1489 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1490 j["type"] = "Create"
1491 j["actor"] = user.URL
1492 j["published"] = dt
1493 j["to"] = aud
1494 j["object"] = jo
1495
1496 return j.ToBytes()
1497}
1498
1499func sendchonk(user *WhatAbout, ch *Chonk) {
1500 msg := chonkifymsg(user, ch)
1501
1502 rcpts := make(map[string]bool)
1503 rcpts[ch.Target] = true
1504 for a := range rcpts {
1505 go deliverate(user.ID, a, msg)
1506 }
1507}
1508
1509func honkworldwide(user *WhatAbout, honk *Honk) {
1510 jonk, _ := jonkjonk(user, honk)
1511 jonk["@context"] = itiswhatitis
1512 msg := jonk.ToBytes()
1513
1514 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1515
1516 if honk.Public {
1517 for _, h := range getdubs(user.ID) {
1518 if h.XID == user.URL {
1519 continue
1520 }
1521 var box *Box
1522 ok := boxofboxes.Get(h.XID, &box)
1523 if ok && box.Shared != "" {
1524 rcpts["%"+box.Shared] = true
1525 } else {
1526 rcpts[h.XID] = true
1527 }
1528 }
1529 for _, f := range getbacktracks(honk.XID) {
1530 if f[0] == '%' {
1531 rcpts[f] = true
1532 } else {
1533 var box *Box
1534 ok := boxofboxes.Get(f, &box)
1535 if ok && box.Shared != "" {
1536 rcpts["%"+box.Shared] = true
1537 } else {
1538 rcpts[f] = true
1539 }
1540 }
1541 }
1542 }
1543 for a := range rcpts {
1544 go deliverate(user.ID, a, msg)
1545 }
1546 if honk.Public && len(honk.Onts) > 0 {
1547 collectiveaction(honk)
1548 }
1549}
1550
1551func collectiveaction(honk *Honk) {
1552 user := getserveruser()
1553 for _, ont := range honk.Onts {
1554 dubs := getnameddubs(readyLuserOne, ont)
1555 if len(dubs) == 0 {
1556 continue
1557 }
1558 j := junk.New()
1559 j["@context"] = itiswhatitis
1560 j["type"] = "Add"
1561 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1562 j["actor"] = user.URL
1563 j["object"] = honk.XID
1564 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1565 rcpts := make(map[string]bool)
1566 for _, dub := range dubs {
1567 var box *Box
1568 ok := boxofboxes.Get(dub.XID, &box)
1569 if ok && box.Shared != "" {
1570 rcpts["%"+box.Shared] = true
1571 } else {
1572 rcpts[dub.XID] = true
1573 }
1574 }
1575 msg := j.ToBytes()
1576 for a := range rcpts {
1577 go deliverate(user.ID, a, msg)
1578 }
1579 }
1580}
1581
1582func junkuser(user *WhatAbout) junk.Junk {
1583 j := junk.New()
1584 j["@context"] = itiswhatitis
1585 j["id"] = user.URL
1586 j["inbox"] = user.URL + "/inbox"
1587 j["outbox"] = user.URL + "/outbox"
1588 j["name"] = user.Display
1589 j["preferredUsername"] = user.Name
1590 j["summary"] = user.HTAbout
1591 var tags []junk.Junk
1592 for _, o := range user.Onts {
1593 t := junk.New()
1594 t["type"] = "Hashtag"
1595 o = strings.ToLower(o)
1596 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1597 t["name"] = o
1598 tags = append(tags, t)
1599 }
1600 if len(tags) > 0 {
1601 j["tag"] = tags
1602 }
1603
1604 if user.ID > 0 {
1605 j["type"] = "Person"
1606 j["url"] = user.URL
1607 j["followers"] = user.URL + "/followers"
1608 j["following"] = user.URL + "/following"
1609 a := junk.New()
1610 a["type"] = "Image"
1611 a["mediaType"] = "image/png"
1612 a["url"] = avatarURL(user)
1613 j["icon"] = a
1614 if ban := user.Options.Banner; ban != "" {
1615 a := junk.New()
1616 a["type"] = "Image"
1617 a["mediaType"] = "image/jpg"
1618 a["url"] = ban
1619 j["image"] = a
1620 }
1621 } else {
1622 j["type"] = "Service"
1623 }
1624 k := junk.New()
1625 k["id"] = user.URL + "#key"
1626 k["owner"] = user.URL
1627 k["publicKeyPem"] = user.Key
1628 j["publicKey"] = k
1629
1630 return j
1631}
1632
1633var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1634 user, err := butwhatabout(name)
1635 if err != nil {
1636 return nil, false
1637 }
1638 j := junkuser(user)
1639 return j.ToBytes(), true
1640}, Duration: 1 * time.Minute})
1641
1642func asjonker(name string) ([]byte, bool) {
1643 var j []byte
1644 ok := oldjonkers.Get(name, &j)
1645 return j, ok
1646}
1647
1648var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1649 m := strings.Split(name, "@")
1650 if len(m) != 2 {
1651 dlog.Printf("bad fish name: %s", name)
1652 return "", true
1653 }
1654 var href string
1655 row := stmtGetXonker.QueryRow(name, "fishname")
1656 err := row.Scan(&href)
1657 if err == nil {
1658 return href, true
1659 }
1660 dlog.Printf("fishing for %s", name)
1661 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1662 if err != nil {
1663 ilog.Printf("failed to go fish %s: %s", name, err)
1664 return "", true
1665 }
1666 links, _ := j.GetArray("links")
1667 for _, li := range links {
1668 l, ok := li.(junk.Junk)
1669 if !ok {
1670 continue
1671 }
1672 href, _ := l.GetString("href")
1673 rel, _ := l.GetString("rel")
1674 t, _ := l.GetString("type")
1675 if rel == "self" && friendorfoe(t) {
1676 when := time.Now().UTC().Format(dbtimeformat)
1677 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1678 if err != nil {
1679 elog.Printf("error saving fishname: %s", err)
1680 }
1681 return href, true
1682 }
1683 }
1684 return href, true
1685}, Duration: 1 * time.Minute})
1686
1687func gofish(name string) string {
1688 if name[0] == '@' {
1689 name = name[1:]
1690 }
1691 var href string
1692 handfull.Get(name, &href)
1693 return href
1694}
1695
1696func investigate(name string) (*SomeThing, error) {
1697 if name == "" {
1698 return nil, fmt.Errorf("no name")
1699 }
1700 if name[0] == '@' {
1701 name = gofish(name)
1702 }
1703 if name == "" {
1704 return nil, fmt.Errorf("no name")
1705 }
1706 obj, err := GetJunkFast(readyLuserOne, name)
1707 if err != nil {
1708 return nil, err
1709 }
1710 allinjest(originate(name), obj)
1711 return somethingabout(obj)
1712}
1713
1714func somethingabout(obj junk.Junk) (*SomeThing, error) {
1715 info := new(SomeThing)
1716 t, _ := obj.GetString("type")
1717 isowned := false
1718 switch t {
1719 case "Person":
1720 fallthrough
1721 case "Group":
1722 fallthrough
1723 case "Organization":
1724 fallthrough
1725 case "Application":
1726 fallthrough
1727 case "Service":
1728 info.What = SomeActor
1729 case "OrderedCollection":
1730 isowned = true
1731 fallthrough
1732 case "Collection":
1733 info.What = SomeCollection
1734 default:
1735 return nil, fmt.Errorf("unknown object type")
1736 }
1737 info.XID, _ = obj.GetString("id")
1738 info.Name, _ = obj.GetString("preferredUsername")
1739 if info.Name == "" {
1740 info.Name, _ = obj.GetString("name")
1741 }
1742 if isowned {
1743 info.Owner, _ = obj.GetString("attributedTo")
1744 }
1745 if info.Owner == "" {
1746 info.Owner = info.XID
1747 }
1748 return info, nil
1749}
1750
1751func allinjest(origin string, obj junk.Junk) {
1752 keyobj, ok := obj.GetMap("publicKey")
1753 if ok {
1754 ingestpubkey(origin, keyobj)
1755 }
1756 ingestboxes(origin, obj)
1757 ingesthandle(origin, obj)
1758}
1759
1760func ingestpubkey(origin string, obj junk.Junk) {
1761 keyobj, ok := obj.GetMap("publicKey")
1762 if ok {
1763 obj = keyobj
1764 }
1765 keyname, ok := obj.GetString("id")
1766 var data string
1767 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1768 err := row.Scan(&data)
1769 if err == nil {
1770 return
1771 }
1772 if !ok || origin != originate(keyname) {
1773 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1774 return
1775 }
1776 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1777 owner, ok := obj.GetString("owner")
1778 if !ok {
1779 ilog.Printf("error finding %s pubkey owner", keyname)
1780 return
1781 }
1782 data, ok = obj.GetString("publicKeyPem")
1783 if !ok {
1784 ilog.Printf("error finding %s pubkey", keyname)
1785 return
1786 }
1787 if originate(owner) != origin {
1788 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1789 return
1790 }
1791 _, _, err = httpsig.DecodeKey(data)
1792 if err != nil {
1793 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1794 return
1795 }
1796 when := time.Now().UTC().Format(dbtimeformat)
1797 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1798 if err != nil {
1799 elog.Printf("error saving key: %s", err)
1800 }
1801}
1802
1803func ingestboxes(origin string, obj junk.Junk) {
1804 ident, _ := obj.GetString("id")
1805 if ident == "" {
1806 return
1807 }
1808 if originate(ident) != origin {
1809 return
1810 }
1811 var info string
1812 row := stmtGetXonker.QueryRow(ident, "boxes")
1813 err := row.Scan(&info)
1814 if err == nil {
1815 return
1816 }
1817 dlog.Printf("ingesting boxes: %s", ident)
1818 inbox, _ := obj.GetString("inbox")
1819 outbox, _ := obj.GetString("outbox")
1820 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1821 if inbox != "" {
1822 when := time.Now().UTC().Format(dbtimeformat)
1823 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1824 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1825 if err != nil {
1826 elog.Printf("error saving boxes: %s", err)
1827 }
1828 }
1829}
1830
1831func ingesthandle(origin string, obj junk.Junk) {
1832 xid, _ := obj.GetString("id")
1833 if xid == "" {
1834 return
1835 }
1836 if originate(xid) != origin {
1837 return
1838 }
1839 var handle string
1840 row := stmtGetXonker.QueryRow(xid, "handle")
1841 err := row.Scan(&handle)
1842 if err == nil {
1843 return
1844 }
1845 handle, _ = obj.GetString("preferredUsername")
1846 if handle != "" {
1847 when := time.Now().UTC().Format(dbtimeformat)
1848 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1849 if err != nil {
1850 elog.Printf("error saving handle: %s", err)
1851 }
1852 }
1853}
1854
1855func updateMe(username string) {
1856 var user *WhatAbout
1857 somenamedusers.Get(username, &user)
1858 dt := time.Now().UTC().Format(time.RFC3339)
1859 j := junk.New()
1860 j["@context"] = itiswhatitis
1861 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1862 j["actor"] = user.URL
1863 j["published"] = dt
1864 j["to"] = thewholeworld
1865 j["type"] = "Update"
1866 j["object"] = junkuser(user)
1867
1868 msg := j.ToBytes()
1869
1870 rcpts := make(map[string]bool)
1871 for _, f := range getdubs(user.ID) {
1872 if f.XID == user.URL {
1873 continue
1874 }
1875 var box *Box
1876 boxofboxes.Get(f.XID, &box)
1877 if box != nil && box.Shared != "" {
1878 rcpts["%"+box.Shared] = true
1879 } else {
1880 rcpts[f.XID] = true
1881 }
1882 }
1883 for a := range rcpts {
1884 go deliverate(user.ID, a, msg)
1885 }
1886}
1887
1888func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1889 folxid, _ := j.GetString("id")
1890
1891 ilog.Printf("updating honker follow: %s %s", who, folxid)
1892
1893 var x string
1894 db := opendatabase()
1895 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1896 err := row.Scan(&x)
1897 if err != sql.ErrNoRows {
1898 ilog.Printf("duplicate follow request: %s", who)
1899 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1900 if err != nil {
1901 elog.Printf("error updating honker: %s", err)
1902 }
1903 } else {
1904 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1905 }
1906 go rubadubdub(user, j)
1907}
1908
1909func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1910 var folxid string
1911 if who == "" {
1912 folxid, _ = j.GetString("object")
1913
1914 db := opendatabase()
1915 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1916 err := row.Scan(&who, &name)
1917 if err != nil {
1918 if err != sql.ErrNoRows {
1919 elog.Printf("error scanning honker: %s", err)
1920 }
1921 return
1922 }
1923 }
1924
1925 ilog.Printf("updating honker undo: %s %s", who, folxid)
1926 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1927 if err != nil {
1928 elog.Printf("error updating honker: %s", err)
1929 return
1930 }
1931}
1932
1933func followyou(user *WhatAbout, honkerid int64, sync bool) {
1934 var url, owner string
1935 db := opendatabase()
1936 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1937 honkerid, user.ID)
1938 err := row.Scan(&url, &owner)
1939 if err != nil {
1940 elog.Printf("can't get honker xid: %s", err)
1941 return
1942 }
1943 folxid := xfiltrate()
1944 ilog.Printf("subscribing to %s", url)
1945 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1946 if err != nil {
1947 elog.Printf("error updating honker: %s", err)
1948 return
1949 }
1950 if sync {
1951 subsub(user, url, owner, folxid)
1952 } else {
1953 go subsub(user, url, owner, folxid)
1954 }
1955
1956}
1957func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1958 db := opendatabase()
1959 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1960 honkerid, user.ID)
1961 var url, owner, folxid, flavor string
1962 err := row.Scan(&url, &owner, &folxid, &flavor)
1963 if err != nil {
1964 elog.Printf("can't get honker xid: %s", err)
1965 return
1966 }
1967 if flavor == "peep" {
1968 return
1969 }
1970 ilog.Printf("unsubscribing from %s", url)
1971 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1972 if err != nil {
1973 elog.Printf("error updating honker: %s", err)
1974 return
1975 }
1976 if sync {
1977 itakeitallback(user, url, owner, folxid)
1978 } else {
1979 go itakeitallback(user, url, owner, folxid)
1980 }
1981}
1982
1983func followyou2(user *WhatAbout, j junk.Junk) {
1984 who, _ := j.GetString("actor")
1985
1986 ilog.Printf("updating honker accept: %s", who)
1987 db := opendatabase()
1988 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1989 user.ID, who)
1990 var name, folxid string
1991 err := row.Scan(&name, &folxid)
1992 if err != nil {
1993 elog.Printf("can't get honker name: %s", err)
1994 return
1995 }
1996 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1997 if err != nil {
1998 elog.Printf("error updating honker: %s", err)
1999 return
2000 }
2001}
2002
2003func nofollowyou2(user *WhatAbout, j junk.Junk) {
2004 who, _ := j.GetString("actor")
2005
2006 ilog.Printf("updating honker reject: %s", who)
2007 db := opendatabase()
2008 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2009 user.ID, who)
2010 var name, folxid string
2011 err := row.Scan(&name, &folxid)
2012 if err != nil {
2013 elog.Printf("can't get honker name: %s", err)
2014 return
2015 }
2016 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2017 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2018 if err != nil {
2019 elog.Printf("error updating honker: %s", err)
2020 return
2021 }
2022}