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, qurl, 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 if qurl != "" {
508 mlinks = append(mlinks, ">"+qurl+"<")
509 }
510 for _, m := range mlinks {
511 tryit := false
512 m = m[1 : len(m)-1]
513 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
514 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
515 re_roma1ink.MatchString(m) {
516 tryit = true
517 } else if re_masto1ink.MatchString(m) {
518 m = re_masto1ink.ReplaceAllString(m, "https://$1/users/$2/statuses/$3")
519 tryit = true
520 }
521 if tryit {
522 var prefix string
523 if m == qurl {
524 prefix += fmt.Sprintf("<p><a href=\"%s\">%s</a>", m, m)
525 }
526 if x := getxonk(user.ID, m); x != nil {
527 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, x.Noise)
528 } else if j, err := GetJunk(user.ID, m); err == nil {
529 q, ok := j.GetString("content")
530 if ok {
531 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, q)
532 }
533 prevdepth := depth
534 depth = maxdepth
535 xonkxonkfn(j, originate(m), false, "")
536 depth = prevdepth
537 }
538 }
539 }
540 return content
541 }
542
543 saveonemore := func(xid string) {
544 dlog.Printf("getting onemore: %s", xid)
545 if depth >= maxdepth {
546 ilog.Printf("in too deep")
547 return
548 }
549 obj, err := GetJunkHardMode(user.ID, xid)
550 if err != nil {
551 ilog.Printf("error getting onemore: %s: %s", xid, err)
552 return
553 }
554 xonkxonkfn(obj, originate(xid), false, "")
555 }
556
557 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
558 id, _ := item.GetString("id")
559 what := firstofmany(item, "type")
560 dt, ok := item.GetString("published")
561 if !ok {
562 dt = time.Now().Format(time.RFC3339)
563 }
564 if depth >= maxdepth+5 {
565 ilog.Printf("went too deep in xonkxonk")
566 return nil
567 }
568 depth++
569 defer func() { depth-- }()
570
571 var err error
572 var xid, rid, url, convoy string
573 var replies []string
574 var obj junk.Junk
575 waspage := false
576 preferorig := false
577 switch what {
578 case "Delete":
579 obj, ok = item.GetMap("object")
580 if ok {
581 xid, _ = obj.GetString("id")
582 } else {
583 xid, _ = item.GetString("object")
584 }
585 if xid == "" {
586 return nil
587 }
588 if originate(xid) != origin {
589 ilog.Printf("forged delete: %s", xid)
590 return nil
591 }
592 ilog.Printf("eradicating %s", xid)
593 eradicatexonk(user.ID, xid)
594 return nil
595 case "Remove":
596 xid, _ = item.GetString("object")
597 targ, _ := obj.GetString("target")
598 ilog.Printf("remove %s from %s", obj, targ)
599 return nil
600 case "Tombstone":
601 xid, _ = item.GetString("id")
602 if xid == "" {
603 return nil
604 }
605 if originate(xid) != origin {
606 ilog.Printf("forged delete: %s", xid)
607 return nil
608 }
609 ilog.Printf("eradicating %s", xid)
610 eradicatexonk(user.ID, xid)
611 return nil
612 case "Announce":
613 obj, ok = item.GetMap("object")
614 if ok {
615 // peek ahead some
616 what := firstofmany(obj, "type")
617 if what == "Create" || what == "Update" {
618 if what == "Update" {
619 isUpdate = true
620 }
621 inner, ok := obj.GetMap("object")
622 if ok {
623 obj = inner
624 } else {
625 xid, _ = obj.GetString("object")
626 }
627 }
628 if xid == "" {
629 xid, _ = obj.GetString("id")
630 }
631 } else {
632 xid, _ = item.GetString("object")
633 }
634 if !isUpdate && !needbonkid(user, xid) {
635 return nil
636 }
637 bonker, _ = item.GetString("actor")
638 origin = originate(xid)
639 if ok && originate(id) == origin {
640 dlog.Printf("using object in announce for %s", xid)
641 } else {
642 dlog.Printf("getting bonk: %s", xid)
643 obj, err = GetJunkHardMode(user.ID, xid)
644 if err != nil {
645 ilog.Printf("error getting bonk: %s: %s", xid, err)
646 return nil
647 }
648 }
649 return xonkxonkfn(obj, origin, isUpdate, bonker)
650 case "Update":
651 isUpdate = true
652 fallthrough
653 case "Create":
654 obj, ok = item.GetMap("object")
655 if !ok {
656 xid, _ = item.GetString("object")
657 dlog.Printf("getting created honk: %s", xid)
658 if originate(xid) != origin {
659 ilog.Printf("out of bounds %s not from %s", xid, origin)
660 return nil
661 }
662 obj, err = GetJunkHardMode(user.ID, xid)
663 if err != nil {
664 ilog.Printf("error getting creation: %s", err)
665 }
666 }
667 if obj == nil {
668 ilog.Printf("no object for creation %s", id)
669 return nil
670 }
671 return xonkxonkfn(obj, origin, isUpdate, bonker)
672 case "Read":
673 xid, ok = item.GetString("object")
674 if ok {
675 if !needxonkid(user, xid) {
676 dlog.Printf("don't need read obj: %s", xid)
677 return nil
678 }
679 obj, err = GetJunkHardMode(user.ID, xid)
680 if err != nil {
681 ilog.Printf("error getting read: %s", err)
682 return nil
683 }
684 return xonkxonkfn(obj, originate(xid), false, "")
685 }
686 return nil
687 case "Add":
688 xid, ok = item.GetString("object")
689 if ok {
690 // check target...
691 if !needxonkid(user, xid) {
692 dlog.Printf("don't need added obj: %s", xid)
693 return nil
694 }
695 obj, err = GetJunkHardMode(user.ID, xid)
696 if err != nil {
697 ilog.Printf("error getting add: %s", err)
698 return nil
699 }
700 return xonkxonkfn(obj, originate(xid), false, "")
701 }
702 return nil
703 case "Move":
704 obj = item
705 what = "move"
706 case "Page":
707 waspage = true
708 fallthrough
709 case "Audio":
710 fallthrough
711 case "Image":
712 if what == "Image" {
713 preferorig = true
714 }
715 fallthrough
716 case "Video":
717 fallthrough
718 case "Question":
719 fallthrough
720 case "Note":
721 fallthrough
722 case "Article":
723 obj = item
724 what = "honk"
725 case "Event":
726 obj = item
727 what = "event"
728 case "ChatMessage":
729 bonker = ""
730 obj = item
731 what = "chonk"
732 default:
733 ilog.Printf("unknown activity: %s", what)
734 dumpactivity(item)
735 return nil
736 }
737 if bonker != "" {
738 what = "bonk"
739 }
740
741 if obj != nil {
742 xid, _ = obj.GetString("id")
743 }
744
745 if xid == "" {
746 ilog.Printf("don't know what xid is")
747 item.Write(ilog.Writer())
748 return nil
749 }
750 if originate(xid) != origin {
751 if !develMode && origin != "" {
752 ilog.Printf("original sin: %s not from %s", xid, origin)
753 item.Write(ilog.Writer())
754 return nil
755 }
756 }
757
758 var xonk Honk
759 // early init
760 xonk.XID = xid
761 xonk.UserID = user.ID
762 xonk.Honker, _ = item.GetString("actor")
763 if xonk.Honker == "" {
764 xonk.Honker, _ = item.GetString("attributedTo")
765 }
766 if obj != nil {
767 if xonk.Honker == "" {
768 xonk.Honker = extractattrto(obj)
769 }
770 if bonker != "" {
771 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
772 }
773 if xonk.Oonker == xonk.Honker {
774 xonk.Oonker = ""
775 }
776 xonk.Audience = newphone(nil, obj)
777 }
778 xonk.Audience = append(xonk.Audience, xonk.Honker)
779 xonk.Audience = oneofakind(xonk.Audience)
780 xonk.Public = loudandproud(xonk.Audience)
781
782 var mentions []Mention
783 if obj != nil {
784 ot := firstofmany(obj, "type")
785 url, _ = obj.GetString("url")
786 if dt2, ok := obj.GetString("published"); ok {
787 dt = dt2
788 }
789 content, _ := obj.GetString("content")
790 if !strings.HasPrefix(content, "<p>") {
791 content = "<p>" + content
792 }
793 precis, _ := obj.GetString("summary")
794 if name, ok := obj.GetString("name"); ok {
795 if precis != "" {
796 content = precis + "<p>" + content
797 }
798 precis = html.EscapeString(name)
799 }
800 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
801 precis = "unspecified horror"
802 }
803 if waspage {
804 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
805 url = xid
806 }
807 if user.Options.InlineQuotes {
808 qurl, _ := obj.GetString("quoteUrl")
809 content = qutify(user, qurl, content)
810 }
811 rid, ok = obj.GetString("inReplyTo")
812 if !ok {
813 if robj, ok := obj.GetMap("inReplyTo"); ok {
814 rid, _ = robj.GetString("id")
815 }
816 }
817 convoy, _ = obj.GetString("context")
818 if convoy == "" {
819 convoy, _ = obj.GetString("conversation")
820 }
821 if ot == "Question" {
822 if what == "honk" {
823 what = "qonk"
824 }
825 content += "<ul>"
826 ans, _ := obj.GetArray("oneOf")
827 for _, ai := range ans {
828 a, ok := ai.(junk.Junk)
829 if !ok {
830 continue
831 }
832 as, _ := a.GetString("name")
833 content += "<li>" + as
834 }
835 ans, _ = obj.GetArray("anyOf")
836 for _, ai := range ans {
837 a, ok := ai.(junk.Junk)
838 if !ok {
839 continue
840 }
841 as, _ := a.GetString("name")
842 content += "<li>" + as
843 }
844 content += "</ul>"
845 }
846 if ot == "Move" {
847 targ, _ := obj.GetString("target")
848 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
849 }
850 if len(content) > 90001 {
851 ilog.Printf("content too long. truncating")
852 content = content[:90001]
853 }
854
855 xonk.Noise = content
856 xonk.Precis = precis
857 if rejectxonk(&xonk) {
858 dlog.Printf("fast reject: %s", xid)
859 return nil
860 }
861
862 numatts := 0
863 procatt := func(att junk.Junk) {
864 at, _ := att.GetString("type")
865 mt, _ := att.GetString("mediaType")
866 if mt == "" {
867 mt = "image"
868 }
869 u, ok := att.GetString("url")
870 if !ok {
871 u, ok = att.GetString("href")
872 }
873 if !ok {
874 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
875 u, ok = ua[0].(string)
876 if !ok {
877 if uu, ok := ua[0].(junk.Junk); ok {
878 u, _ = uu.GetString("href")
879 if mt == "" {
880 mt, _ = uu.GetString("mediaType")
881 }
882 }
883 }
884 } else if uu, ok := att.GetMap("url"); ok {
885 u, _ = uu.GetString("href")
886 if mt == "" {
887 mt, _ = uu.GetString("mediaType")
888 }
889 }
890 }
891 name, _ := att.GetString("name")
892 desc, _ := att.GetString("summary")
893 desc = html.UnescapeString(desc)
894 if desc == "" {
895 desc = name
896 }
897 localize := false
898 if at == "Document" || at == "Image" {
899 mt = strings.ToLower(mt)
900 dlog.Printf("attachment: %s %s", mt, u)
901 if mt == "text/plain" || mt == "application/pdf" ||
902 strings.HasPrefix(mt, "image") {
903 if numatts > 4 {
904 ilog.Printf("excessive attachment: %s", at)
905 } else {
906 localize = true
907 }
908 }
909 } else if at == "Link" {
910 if waspage {
911 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
912 return
913 }
914 if name == "" {
915 name = u
916 }
917 } else {
918 ilog.Printf("unknown attachment: %s", at)
919 }
920 if skipMedia(&xonk) {
921 localize = false
922 }
923 if preferorig && !localize {
924 return
925 }
926 donk := savedonk(u, name, desc, mt, localize)
927 if donk != nil {
928 xonk.Donks = append(xonk.Donks, donk)
929 }
930 numatts++
931 }
932 if img, ok := obj.GetMap("image"); ok {
933 procatt(img)
934 }
935 if preferorig {
936 atts, _ := obj.GetArray("url")
937 for _, atti := range atts {
938 att, ok := atti.(junk.Junk)
939 if !ok {
940 ilog.Printf("attachment that wasn't map?")
941 continue
942 }
943 procatt(att)
944 }
945 if numatts == 0 {
946 preferorig = false
947 }
948 }
949 if !preferorig {
950 atts := oneforall(obj, "attachment")
951 for _, atti := range atts {
952 att, ok := atti.(junk.Junk)
953 if !ok {
954 ilog.Printf("attachment that wasn't map?")
955 continue
956 }
957 procatt(att)
958 }
959 }
960 proctag := func(tag junk.Junk) {
961 tt, _ := tag.GetString("type")
962 name, _ := tag.GetString("name")
963 desc, _ := tag.GetString("summary")
964 desc = html.UnescapeString(desc)
965 if desc == "" {
966 desc = name
967 }
968 if tt == "Emoji" {
969 icon, _ := tag.GetMap("icon")
970 mt, _ := icon.GetString("mediaType")
971 if mt == "" {
972 mt = "image/png"
973 }
974 u, _ := icon.GetString("url")
975 donk := savedonk(u, name, desc, mt, true)
976 if donk != nil {
977 xonk.Donks = append(xonk.Donks, donk)
978 }
979 }
980 if tt == "Hashtag" {
981 if name == "" || name == "#" {
982 // skip it
983 } else {
984 if name[0] != '#' {
985 name = "#" + name
986 }
987 xonk.Onts = append(xonk.Onts, name)
988 }
989 }
990 if tt == "Place" {
991 p := new(Place)
992 p.Name = name
993 p.Latitude, _ = tag.GetNumber("latitude")
994 p.Longitude, _ = tag.GetNumber("longitude")
995 p.Url, _ = tag.GetString("url")
996 xonk.Place = p
997 }
998 if tt == "Mention" {
999 var m Mention
1000 m.Who, _ = tag.GetString("name")
1001 m.Where, _ = tag.GetString("href")
1002 mentions = append(mentions, m)
1003 }
1004 }
1005 tags := oneforall(obj, "tag")
1006 for _, tagi := range tags {
1007 tag, ok := tagi.(junk.Junk)
1008 if !ok {
1009 continue
1010 }
1011 proctag(tag)
1012 }
1013 if starttime, ok := obj.GetString("startTime"); ok {
1014 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1015 t := new(Time)
1016 t.StartTime = start
1017 endtime, _ := obj.GetString("endTime")
1018 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1019 dura, _ := obj.GetString("duration")
1020 if strings.HasPrefix(dura, "PT") {
1021 dura = strings.ToLower(dura[2:])
1022 d, _ := time.ParseDuration(dura)
1023 t.Duration = Duration(d)
1024 }
1025 xonk.Time = t
1026 }
1027 }
1028 if loca, ok := obj.GetMap("location"); ok {
1029 if tt, _ := loca.GetString("type"); tt == "Place" {
1030 p := new(Place)
1031 p.Name, _ = loca.GetString("name")
1032 p.Latitude, _ = loca.GetNumber("latitude")
1033 p.Longitude, _ = loca.GetNumber("longitude")
1034 p.Url, _ = loca.GetString("url")
1035 xonk.Place = p
1036 }
1037 }
1038
1039 xonk.Onts = oneofakind(xonk.Onts)
1040 replyobj, ok := obj.GetMap("replies")
1041 if ok {
1042 items, ok := replyobj.GetArray("items")
1043 if !ok {
1044 first, ok := replyobj.GetMap("first")
1045 if ok {
1046 items, _ = first.GetArray("items")
1047 }
1048 }
1049 for _, repl := range items {
1050 s, ok := repl.(string)
1051 if ok {
1052 replies = append(replies, s)
1053 }
1054 }
1055 }
1056
1057 }
1058
1059 if currenttid == "" {
1060 currenttid = convoy
1061 }
1062
1063 // init xonk
1064 xonk.What = what
1065 xonk.RID = rid
1066 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1067 xonk.URL = url
1068 xonk.Format = "html"
1069 xonk.Convoy = convoy
1070 xonk.Mentions = mentions
1071 for _, m := range mentions {
1072 if m.Where == user.URL {
1073 xonk.Whofore = 1
1074 }
1075 }
1076 imaginate(&xonk)
1077
1078 if what == "chonk" {
1079 target, _ := obj.GetString("to")
1080 if target == user.URL {
1081 target = xonk.Honker
1082 }
1083 ch := Chonk{
1084 UserID: xonk.UserID,
1085 XID: xid,
1086 Who: xonk.Honker,
1087 Target: target,
1088 Date: xonk.Date,
1089 Noise: xonk.Noise,
1090 Format: xonk.Format,
1091 Donks: xonk.Donks,
1092 }
1093 savechonk(&ch)
1094 return nil
1095 }
1096
1097 if isUpdate {
1098 dlog.Printf("something has changed! %s", xonk.XID)
1099 prev := getxonk(user.ID, xonk.XID)
1100 if prev == nil {
1101 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1102 isUpdate = false
1103 } else {
1104 xonk.ID = prev.ID
1105 updatehonk(&xonk)
1106 }
1107 }
1108 if !isUpdate && needxonk(user, &xonk) {
1109 if rid != "" && xonk.Public {
1110 if needxonkid(user, rid) {
1111 goingup++
1112 saveonemore(rid)
1113 goingup--
1114 }
1115 if convoy == "" {
1116 xx := getxonk(user.ID, rid)
1117 if xx != nil {
1118 convoy = xx.Convoy
1119 }
1120 }
1121 }
1122 if convoy == "" {
1123 convoy = currenttid
1124 }
1125 if convoy == "" {
1126 convoy = xonk.XID
1127 currenttid = convoy
1128 }
1129 xonk.Convoy = convoy
1130 savexonk(&xonk)
1131 }
1132 if goingup == 0 {
1133 for _, replid := range replies {
1134 if needxonkid(user, replid) {
1135 dlog.Printf("missing a reply: %s", replid)
1136 saveonemore(replid)
1137 }
1138 }
1139 }
1140 return &xonk
1141 }
1142
1143 return xonkxonkfn(item, origin, false, "")
1144}
1145
1146func dumpactivity(item junk.Junk) {
1147 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1148 if err != nil {
1149 elog.Printf("error opening inbox! %s", err)
1150 return
1151 }
1152 defer fd.Close()
1153 item.Write(fd)
1154 io.WriteString(fd, "\n")
1155}
1156
1157func rubadubdub(user *WhatAbout, req junk.Junk) {
1158 actor, _ := req.GetString("actor")
1159 j := junk.New()
1160 j["@context"] = itiswhatitis
1161 j["id"] = user.URL + "/dub/" + xfiltrate()
1162 j["type"] = "Accept"
1163 j["actor"] = user.URL
1164 j["to"] = actor
1165 j["published"] = time.Now().UTC().Format(time.RFC3339)
1166 j["object"] = req
1167
1168 deliverate(user.ID, actor, j.ToBytes())
1169}
1170
1171func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1172 j := junk.New()
1173 j["@context"] = itiswhatitis
1174 j["id"] = user.URL + "/unsub/" + folxid
1175 j["type"] = "Undo"
1176 j["actor"] = user.URL
1177 j["to"] = owner
1178 f := junk.New()
1179 f["id"] = user.URL + "/sub/" + folxid
1180 f["type"] = "Follow"
1181 f["actor"] = user.URL
1182 f["to"] = owner
1183 f["object"] = xid
1184 j["object"] = f
1185 j["published"] = time.Now().UTC().Format(time.RFC3339)
1186
1187 deliverate(user.ID, owner, j.ToBytes())
1188}
1189
1190func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1191 if xid == "" {
1192 ilog.Printf("can't subscribe to empty")
1193 return
1194 }
1195 j := junk.New()
1196 j["@context"] = itiswhatitis
1197 j["id"] = user.URL + "/sub/" + folxid
1198 j["type"] = "Follow"
1199 j["actor"] = user.URL
1200 j["to"] = owner
1201 j["object"] = xid
1202 j["published"] = time.Now().UTC().Format(time.RFC3339)
1203
1204 deliverate(user.ID, owner, j.ToBytes())
1205}
1206
1207func activatedonks(donks []*Donk) []junk.Junk {
1208 var atts []junk.Junk
1209 for _, d := range donks {
1210 if re_emus.MatchString(d.Name) {
1211 continue
1212 }
1213 jd := junk.New()
1214 jd["mediaType"] = d.Media
1215 jd["name"] = d.Name
1216 jd["summary"] = html.EscapeString(d.Desc)
1217 jd["type"] = "Document"
1218 jd["url"] = d.URL
1219 atts = append(atts, jd)
1220 }
1221 return atts
1222}
1223
1224// returns activity, object
1225func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1226 dt := h.Date.Format(time.RFC3339)
1227 var jo junk.Junk
1228 j := junk.New()
1229 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1230 j["actor"] = user.URL
1231 j["published"] = dt
1232 j["to"] = h.Audience[0]
1233 if len(h.Audience) > 1 {
1234 j["cc"] = h.Audience[1:]
1235 }
1236
1237 switch h.What {
1238 case "update":
1239 fallthrough
1240 case "event":
1241 fallthrough
1242 case "honk":
1243 j["type"] = "Create"
1244 jo = junk.New()
1245 jo["id"] = h.XID
1246 jo["type"] = "Note"
1247 if h.What == "event" {
1248 jo["type"] = "Event"
1249 }
1250 if h.What == "update" {
1251 j["type"] = "Update"
1252 jo["updated"] = dt
1253 }
1254 jo["published"] = dt
1255 jo["url"] = h.XID
1256 jo["attributedTo"] = user.URL
1257 if h.RID != "" {
1258 jo["inReplyTo"] = h.RID
1259 }
1260 if h.Convoy != "" {
1261 jo["context"] = h.Convoy
1262 jo["conversation"] = h.Convoy
1263 }
1264 jo["to"] = h.Audience[0]
1265 if len(h.Audience) > 1 {
1266 jo["cc"] = h.Audience[1:]
1267 }
1268 if !h.Public {
1269 jo["directMessage"] = true
1270 }
1271 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1272 translate(h)
1273 redoimages(h)
1274 if h.Precis != "" {
1275 jo["sensitive"] = true
1276 }
1277
1278 var replies []string
1279 for _, reply := range h.Replies {
1280 replies = append(replies, reply.XID)
1281 }
1282 if len(replies) > 0 {
1283 jr := junk.New()
1284 jr["type"] = "Collection"
1285 jr["totalItems"] = len(replies)
1286 jr["items"] = replies
1287 jo["replies"] = jr
1288 }
1289
1290 var tags []junk.Junk
1291 for _, m := range h.Mentions {
1292 t := junk.New()
1293 t["type"] = "Mention"
1294 t["name"] = m.Who
1295 t["href"] = m.Where
1296 tags = append(tags, t)
1297 }
1298 for _, o := range h.Onts {
1299 t := junk.New()
1300 t["type"] = "Hashtag"
1301 o = strings.ToLower(o)
1302 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1303 t["name"] = o
1304 tags = append(tags, t)
1305 }
1306 for _, e := range herdofemus(h.Noise) {
1307 t := junk.New()
1308 t["id"] = e.ID
1309 t["type"] = "Emoji"
1310 t["name"] = e.Name
1311 i := junk.New()
1312 i["type"] = "Image"
1313 i["mediaType"] = e.Type
1314 i["url"] = e.ID
1315 t["icon"] = i
1316 tags = append(tags, t)
1317 }
1318 for _, e := range fixupflags(h) {
1319 t := junk.New()
1320 t["id"] = e.ID
1321 t["type"] = "Emoji"
1322 t["name"] = e.Name
1323 i := junk.New()
1324 i["type"] = "Image"
1325 i["mediaType"] = "image/png"
1326 i["url"] = e.ID
1327 t["icon"] = i
1328 tags = append(tags, t)
1329 }
1330 if len(tags) > 0 {
1331 jo["tag"] = tags
1332 }
1333 if p := h.Place; p != nil {
1334 t := junk.New()
1335 t["type"] = "Place"
1336 if p.Name != "" {
1337 t["name"] = p.Name
1338 }
1339 if p.Latitude != 0 {
1340 t["latitude"] = p.Latitude
1341 }
1342 if p.Longitude != 0 {
1343 t["longitude"] = p.Longitude
1344 }
1345 if p.Url != "" {
1346 t["url"] = p.Url
1347 }
1348 jo["location"] = t
1349 }
1350 if t := h.Time; t != nil {
1351 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1352 if t.Duration != 0 {
1353 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1354 }
1355 }
1356 atts := activatedonks(h.Donks)
1357 if len(atts) > 0 {
1358 jo["attachment"] = atts
1359 }
1360 jo["summary"] = h.Precis
1361 jo["content"] = h.Noise
1362 j["object"] = jo
1363 case "bonk":
1364 j["type"] = "Announce"
1365 if h.Convoy != "" {
1366 j["context"] = h.Convoy
1367 }
1368 j["object"] = h.XID
1369 case "unbonk":
1370 b := junk.New()
1371 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1372 b["type"] = "Announce"
1373 b["actor"] = user.URL
1374 if h.Convoy != "" {
1375 b["context"] = h.Convoy
1376 }
1377 b["object"] = h.XID
1378 j["type"] = "Undo"
1379 j["object"] = b
1380 case "zonk":
1381 j["type"] = "Delete"
1382 j["object"] = h.XID
1383 case "ack":
1384 j["type"] = "Read"
1385 j["object"] = h.XID
1386 if h.Convoy != "" {
1387 j["context"] = h.Convoy
1388 }
1389 case "react":
1390 j["type"] = "EmojiReact"
1391 j["object"] = h.XID
1392 if h.Convoy != "" {
1393 j["context"] = h.Convoy
1394 }
1395 j["content"] = h.Noise
1396 case "deack":
1397 b := junk.New()
1398 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1399 b["type"] = "Read"
1400 b["actor"] = user.URL
1401 b["object"] = h.XID
1402 if h.Convoy != "" {
1403 b["context"] = h.Convoy
1404 }
1405 j["type"] = "Undo"
1406 j["object"] = b
1407 }
1408
1409 return j, jo
1410}
1411
1412var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1413 row := stmtAnyXonk.QueryRow(xid)
1414 honk := scanhonk(row)
1415 if honk == nil || !honk.Public {
1416 return nil, true
1417 }
1418 user, _ := butwhatabout(honk.Username)
1419 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1420 reversehonks(rawhonks)
1421 for _, h := range rawhonks {
1422 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1423 honk.Replies = append(honk.Replies, h)
1424 }
1425 }
1426 donksforhonks([]*Honk{honk})
1427 _, j := jonkjonk(user, honk)
1428 if j == nil {
1429 elog.Fatalf("what just happened? %v", honk)
1430 }
1431 j["@context"] = itiswhatitis
1432
1433 return j.ToBytes(), true
1434}, Limit: 128})
1435
1436func gimmejonk(xid string) ([]byte, bool) {
1437 var j []byte
1438 ok := oldjonks.Get(xid, &j)
1439 return j, ok
1440}
1441
1442func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1443 rcpts := make(map[string]bool)
1444 for _, a := range addresses {
1445 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1446 continue
1447 }
1448 if a[0] == '%' {
1449 rcpts[a] = true
1450 continue
1451 }
1452 var box *Box
1453 ok := boxofboxes.Get(a, &box)
1454 if ok && useshared && box.Shared != "" {
1455 rcpts["%"+box.Shared] = true
1456 } else {
1457 rcpts[a] = true
1458 }
1459 }
1460 return rcpts
1461}
1462
1463func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1464 dt := ch.Date.Format(time.RFC3339)
1465 aud := []string{ch.Target}
1466
1467 jo := junk.New()
1468 jo["id"] = ch.XID
1469 jo["type"] = "ChatMessage"
1470 jo["published"] = dt
1471 jo["attributedTo"] = user.URL
1472 jo["to"] = aud
1473 jo["content"] = ch.HTML
1474 atts := activatedonks(ch.Donks)
1475 if len(atts) > 0 {
1476 jo["attachment"] = atts
1477 }
1478 var tags []junk.Junk
1479 for _, e := range herdofemus(ch.Noise) {
1480 t := junk.New()
1481 t["id"] = e.ID
1482 t["type"] = "Emoji"
1483 t["name"] = e.Name
1484 i := junk.New()
1485 i["type"] = "Image"
1486 i["mediaType"] = e.Type
1487 i["url"] = e.ID
1488 t["icon"] = i
1489 tags = append(tags, t)
1490 }
1491 if len(tags) > 0 {
1492 jo["tag"] = tags
1493 }
1494
1495 j := junk.New()
1496 j["@context"] = itiswhatitis
1497 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1498 j["type"] = "Create"
1499 j["actor"] = user.URL
1500 j["published"] = dt
1501 j["to"] = aud
1502 j["object"] = jo
1503
1504 return j.ToBytes()
1505}
1506
1507func sendchonk(user *WhatAbout, ch *Chonk) {
1508 msg := chonkifymsg(user, ch)
1509
1510 rcpts := make(map[string]bool)
1511 rcpts[ch.Target] = true
1512 for a := range rcpts {
1513 go deliverate(user.ID, a, msg)
1514 }
1515}
1516
1517func honkworldwide(user *WhatAbout, honk *Honk) {
1518 jonk, _ := jonkjonk(user, honk)
1519 jonk["@context"] = itiswhatitis
1520 msg := jonk.ToBytes()
1521
1522 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1523
1524 if honk.Public {
1525 for _, h := range getdubs(user.ID) {
1526 if h.XID == user.URL {
1527 continue
1528 }
1529 var box *Box
1530 ok := boxofboxes.Get(h.XID, &box)
1531 if ok && box.Shared != "" {
1532 rcpts["%"+box.Shared] = true
1533 } else {
1534 rcpts[h.XID] = true
1535 }
1536 }
1537 for _, f := range getbacktracks(honk.XID) {
1538 if f[0] == '%' {
1539 rcpts[f] = true
1540 } else {
1541 var box *Box
1542 ok := boxofboxes.Get(f, &box)
1543 if ok && box.Shared != "" {
1544 rcpts["%"+box.Shared] = true
1545 } else {
1546 rcpts[f] = true
1547 }
1548 }
1549 }
1550 }
1551 for a := range rcpts {
1552 go deliverate(user.ID, a, msg)
1553 }
1554 if honk.Public && len(honk.Onts) > 0 {
1555 collectiveaction(honk)
1556 }
1557}
1558
1559func collectiveaction(honk *Honk) {
1560 user := getserveruser()
1561 for _, ont := range honk.Onts {
1562 dubs := getnameddubs(readyLuserOne, ont)
1563 if len(dubs) == 0 {
1564 continue
1565 }
1566 j := junk.New()
1567 j["@context"] = itiswhatitis
1568 j["type"] = "Add"
1569 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1570 j["actor"] = user.URL
1571 j["object"] = honk.XID
1572 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1573 rcpts := make(map[string]bool)
1574 for _, dub := range dubs {
1575 var box *Box
1576 ok := boxofboxes.Get(dub.XID, &box)
1577 if ok && box.Shared != "" {
1578 rcpts["%"+box.Shared] = true
1579 } else {
1580 rcpts[dub.XID] = true
1581 }
1582 }
1583 msg := j.ToBytes()
1584 for a := range rcpts {
1585 go deliverate(user.ID, a, msg)
1586 }
1587 }
1588}
1589
1590func junkuser(user *WhatAbout) junk.Junk {
1591 j := junk.New()
1592 j["@context"] = itiswhatitis
1593 j["id"] = user.URL
1594 j["inbox"] = user.URL + "/inbox"
1595 j["outbox"] = user.URL + "/outbox"
1596 j["name"] = user.Display
1597 j["preferredUsername"] = user.Name
1598 j["summary"] = user.HTAbout
1599 var tags []junk.Junk
1600 for _, o := range user.Onts {
1601 t := junk.New()
1602 t["type"] = "Hashtag"
1603 o = strings.ToLower(o)
1604 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1605 t["name"] = o
1606 tags = append(tags, t)
1607 }
1608 if len(tags) > 0 {
1609 j["tag"] = tags
1610 }
1611
1612 if user.ID > 0 {
1613 j["type"] = "Person"
1614 j["url"] = user.URL
1615 j["followers"] = user.URL + "/followers"
1616 j["following"] = user.URL + "/following"
1617 a := junk.New()
1618 a["type"] = "Image"
1619 a["mediaType"] = "image/png"
1620 a["url"] = avatarURL(user)
1621 j["icon"] = a
1622 if ban := user.Options.Banner; ban != "" {
1623 a := junk.New()
1624 a["type"] = "Image"
1625 a["mediaType"] = "image/jpg"
1626 a["url"] = ban
1627 j["image"] = a
1628 }
1629 } else {
1630 j["type"] = "Service"
1631 }
1632 k := junk.New()
1633 k["id"] = user.URL + "#key"
1634 k["owner"] = user.URL
1635 k["publicKeyPem"] = user.Key
1636 j["publicKey"] = k
1637
1638 return j
1639}
1640
1641var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1642 user, err := butwhatabout(name)
1643 if err != nil {
1644 return nil, false
1645 }
1646 j := junkuser(user)
1647 return j.ToBytes(), true
1648}, Duration: 1 * time.Minute})
1649
1650func asjonker(name string) ([]byte, bool) {
1651 var j []byte
1652 ok := oldjonkers.Get(name, &j)
1653 return j, ok
1654}
1655
1656var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1657 m := strings.Split(name, "@")
1658 if len(m) != 2 {
1659 dlog.Printf("bad fish name: %s", name)
1660 return "", true
1661 }
1662 var href string
1663 row := stmtGetXonker.QueryRow(name, "fishname")
1664 err := row.Scan(&href)
1665 if err == nil {
1666 return href, true
1667 }
1668 dlog.Printf("fishing for %s", name)
1669 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1670 if err != nil {
1671 ilog.Printf("failed to go fish %s: %s", name, err)
1672 return "", true
1673 }
1674 links, _ := j.GetArray("links")
1675 for _, li := range links {
1676 l, ok := li.(junk.Junk)
1677 if !ok {
1678 continue
1679 }
1680 href, _ := l.GetString("href")
1681 rel, _ := l.GetString("rel")
1682 t, _ := l.GetString("type")
1683 if rel == "self" && friendorfoe(t) {
1684 when := time.Now().UTC().Format(dbtimeformat)
1685 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1686 if err != nil {
1687 elog.Printf("error saving fishname: %s", err)
1688 }
1689 return href, true
1690 }
1691 }
1692 return href, true
1693}, Duration: 1 * time.Minute})
1694
1695func gofish(name string) string {
1696 if name[0] == '@' {
1697 name = name[1:]
1698 }
1699 var href string
1700 handfull.Get(name, &href)
1701 return href
1702}
1703
1704func investigate(name string) (*SomeThing, error) {
1705 if name == "" {
1706 return nil, fmt.Errorf("no name")
1707 }
1708 if name[0] == '@' {
1709 name = gofish(name)
1710 }
1711 if name == "" {
1712 return nil, fmt.Errorf("no name")
1713 }
1714 obj, err := GetJunkFast(readyLuserOne, name)
1715 if err != nil {
1716 return nil, err
1717 }
1718 allinjest(originate(name), obj)
1719 return somethingabout(obj)
1720}
1721
1722func somethingabout(obj junk.Junk) (*SomeThing, error) {
1723 info := new(SomeThing)
1724 t, _ := obj.GetString("type")
1725 isowned := false
1726 switch t {
1727 case "Person":
1728 fallthrough
1729 case "Group":
1730 fallthrough
1731 case "Organization":
1732 fallthrough
1733 case "Application":
1734 fallthrough
1735 case "Service":
1736 info.What = SomeActor
1737 case "OrderedCollection":
1738 isowned = true
1739 fallthrough
1740 case "Collection":
1741 info.What = SomeCollection
1742 default:
1743 return nil, fmt.Errorf("unknown object type")
1744 }
1745 info.XID, _ = obj.GetString("id")
1746 info.Name, _ = obj.GetString("preferredUsername")
1747 if info.Name == "" {
1748 info.Name, _ = obj.GetString("name")
1749 }
1750 if isowned {
1751 info.Owner, _ = obj.GetString("attributedTo")
1752 }
1753 if info.Owner == "" {
1754 info.Owner = info.XID
1755 }
1756 return info, nil
1757}
1758
1759func allinjest(origin string, obj junk.Junk) {
1760 keyobj, ok := obj.GetMap("publicKey")
1761 if ok {
1762 ingestpubkey(origin, keyobj)
1763 }
1764 ingestboxes(origin, obj)
1765 ingesthandle(origin, obj)
1766}
1767
1768func ingestpubkey(origin string, obj junk.Junk) {
1769 keyobj, ok := obj.GetMap("publicKey")
1770 if ok {
1771 obj = keyobj
1772 }
1773 keyname, ok := obj.GetString("id")
1774 var data string
1775 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1776 err := row.Scan(&data)
1777 if err == nil {
1778 return
1779 }
1780 if !ok || origin != originate(keyname) {
1781 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1782 return
1783 }
1784 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1785 owner, ok := obj.GetString("owner")
1786 if !ok {
1787 ilog.Printf("error finding %s pubkey owner", keyname)
1788 return
1789 }
1790 data, ok = obj.GetString("publicKeyPem")
1791 if !ok {
1792 ilog.Printf("error finding %s pubkey", keyname)
1793 return
1794 }
1795 if originate(owner) != origin {
1796 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1797 return
1798 }
1799 _, _, err = httpsig.DecodeKey(data)
1800 if err != nil {
1801 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1802 return
1803 }
1804 when := time.Now().UTC().Format(dbtimeformat)
1805 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1806 if err != nil {
1807 elog.Printf("error saving key: %s", err)
1808 }
1809}
1810
1811func ingestboxes(origin string, obj junk.Junk) {
1812 ident, _ := obj.GetString("id")
1813 if ident == "" {
1814 return
1815 }
1816 if originate(ident) != origin {
1817 return
1818 }
1819 var info string
1820 row := stmtGetXonker.QueryRow(ident, "boxes")
1821 err := row.Scan(&info)
1822 if err == nil {
1823 return
1824 }
1825 dlog.Printf("ingesting boxes: %s", ident)
1826 inbox, _ := obj.GetString("inbox")
1827 outbox, _ := obj.GetString("outbox")
1828 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1829 if inbox != "" {
1830 when := time.Now().UTC().Format(dbtimeformat)
1831 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1832 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1833 if err != nil {
1834 elog.Printf("error saving boxes: %s", err)
1835 }
1836 }
1837}
1838
1839func ingesthandle(origin string, obj junk.Junk) {
1840 xid, _ := obj.GetString("id")
1841 if xid == "" {
1842 return
1843 }
1844 if originate(xid) != origin {
1845 return
1846 }
1847 var handle string
1848 row := stmtGetXonker.QueryRow(xid, "handle")
1849 err := row.Scan(&handle)
1850 if err == nil {
1851 return
1852 }
1853 handle, _ = obj.GetString("preferredUsername")
1854 if handle != "" {
1855 when := time.Now().UTC().Format(dbtimeformat)
1856 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1857 if err != nil {
1858 elog.Printf("error saving handle: %s", err)
1859 }
1860 }
1861}
1862
1863func updateMe(username string) {
1864 var user *WhatAbout
1865 somenamedusers.Get(username, &user)
1866 dt := time.Now().UTC().Format(time.RFC3339)
1867 j := junk.New()
1868 j["@context"] = itiswhatitis
1869 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1870 j["actor"] = user.URL
1871 j["published"] = dt
1872 j["to"] = thewholeworld
1873 j["type"] = "Update"
1874 j["object"] = junkuser(user)
1875
1876 msg := j.ToBytes()
1877
1878 rcpts := make(map[string]bool)
1879 for _, f := range getdubs(user.ID) {
1880 if f.XID == user.URL {
1881 continue
1882 }
1883 var box *Box
1884 boxofboxes.Get(f.XID, &box)
1885 if box != nil && box.Shared != "" {
1886 rcpts["%"+box.Shared] = true
1887 } else {
1888 rcpts[f.XID] = true
1889 }
1890 }
1891 for a := range rcpts {
1892 go deliverate(user.ID, a, msg)
1893 }
1894}
1895
1896func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1897 folxid, _ := j.GetString("id")
1898
1899 ilog.Printf("updating honker follow: %s %s", who, folxid)
1900
1901 var x string
1902 db := opendatabase()
1903 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1904 err := row.Scan(&x)
1905 if err != sql.ErrNoRows {
1906 ilog.Printf("duplicate follow request: %s", who)
1907 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1908 if err != nil {
1909 elog.Printf("error updating honker: %s", err)
1910 }
1911 } else {
1912 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1913 }
1914 go rubadubdub(user, j)
1915}
1916
1917func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1918 var folxid string
1919 if who == "" {
1920 folxid, _ = j.GetString("object")
1921
1922 db := opendatabase()
1923 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1924 err := row.Scan(&who, &name)
1925 if err != nil {
1926 if err != sql.ErrNoRows {
1927 elog.Printf("error scanning honker: %s", err)
1928 }
1929 return
1930 }
1931 }
1932
1933 ilog.Printf("updating honker undo: %s %s", who, folxid)
1934 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1935 if err != nil {
1936 elog.Printf("error updating honker: %s", err)
1937 return
1938 }
1939}
1940
1941func followyou(user *WhatAbout, honkerid int64, sync bool) {
1942 var url, owner string
1943 db := opendatabase()
1944 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1945 honkerid, user.ID)
1946 err := row.Scan(&url, &owner)
1947 if err != nil {
1948 elog.Printf("can't get honker xid: %s", err)
1949 return
1950 }
1951 folxid := xfiltrate()
1952 ilog.Printf("subscribing to %s", url)
1953 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1954 if err != nil {
1955 elog.Printf("error updating honker: %s", err)
1956 return
1957 }
1958 if sync {
1959 subsub(user, url, owner, folxid)
1960 } else {
1961 go subsub(user, url, owner, folxid)
1962 }
1963
1964}
1965func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1966 db := opendatabase()
1967 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1968 honkerid, user.ID)
1969 var url, owner, folxid, flavor string
1970 err := row.Scan(&url, &owner, &folxid, &flavor)
1971 if err != nil {
1972 elog.Printf("can't get honker xid: %s", err)
1973 return
1974 }
1975 if flavor == "peep" {
1976 return
1977 }
1978 ilog.Printf("unsubscribing from %s", url)
1979 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1980 if err != nil {
1981 elog.Printf("error updating honker: %s", err)
1982 return
1983 }
1984 if sync {
1985 itakeitallback(user, url, owner, folxid)
1986 } else {
1987 go itakeitallback(user, url, owner, folxid)
1988 }
1989}
1990
1991func followyou2(user *WhatAbout, j junk.Junk) {
1992 who, _ := j.GetString("actor")
1993
1994 ilog.Printf("updating honker accept: %s", who)
1995 db := opendatabase()
1996 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1997 user.ID, who)
1998 var name, folxid string
1999 err := row.Scan(&name, &folxid)
2000 if err != nil {
2001 elog.Printf("can't get honker name: %s", err)
2002 return
2003 }
2004 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2005 if err != nil {
2006 elog.Printf("error updating honker: %s", err)
2007 return
2008 }
2009}
2010
2011func nofollowyou2(user *WhatAbout, j junk.Junk) {
2012 who, _ := j.GetString("actor")
2013
2014 ilog.Printf("updating honker reject: %s", who)
2015 db := opendatabase()
2016 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2017 user.ID, who)
2018 var name, folxid string
2019 err := row.Scan(&name, &folxid)
2020 if err != nil {
2021 elog.Printf("can't get honker name: %s", err)
2022 return
2023 }
2024 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2025 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2026 if err != nil {
2027 elog.Printf("error updating honker: %s", err)
2028 return
2029 }
2030}