activity.go (view raw)
1//
2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
3//
4// Permission to use, copy, modify, and distribute this software for any
5// purpose with or without fee is hereby granted, provided that the above
6// copyright notice and this permission notice appear in all copies.
7//
8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15
16package main
17
18import (
19 "bytes"
20 "context"
21 "crypto/tls"
22 "database/sql"
23 "fmt"
24 "html"
25 "io"
26 notrand "math/rand"
27 "net/http"
28 "os"
29 "regexp"
30 "strings"
31 "time"
32
33 "humungus.tedunangst.com/r/webs/gate"
34 "humungus.tedunangst.com/r/webs/gencache"
35 "humungus.tedunangst.com/r/webs/httpsig"
36 "humungus.tedunangst.com/r/webs/junk"
37 "humungus.tedunangst.com/r/webs/templates"
38)
39
40var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
41var thefakename = `application/activity+json`
42var falsenames = []string{
43 `application/ld+json`,
44 `application/activity+json`,
45}
46var itiswhatitis = "https://www.w3.org/ns/activitystreams"
47var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
48
49var fastTimeout time.Duration = 5
50var slowTimeout time.Duration = 30
51
52func friendorfoe(ct string) bool {
53 ct = strings.ToLower(ct)
54 for _, at := range falsenames {
55 if strings.HasPrefix(ct, at) {
56 return true
57 }
58 }
59 return false
60}
61
62var honkTransport = http.Transport{
63 MaxIdleConns: 120,
64 MaxConnsPerHost: 4,
65}
66
67var honkClient = http.Client{
68 Transport: &honkTransport,
69}
70
71func gogglesDoNothing() {
72 honkTransport.TLSClientConfig = &tls.Config{
73 InsecureSkipVerify: true,
74 }
75}
76
77func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
78 return PostMsg(keyname, key, url, j.ToBytes())
79}
80
81func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
82 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
83 if err != nil {
84 return err
85 }
86 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
87 req.Header.Set("Content-Type", theonetruename)
88 httpsig.SignRequest(keyname, key, req, msg)
89 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
90 defer cancel()
91 req = req.WithContext(ctx)
92 resp, err := honkClient.Do(req)
93 if err != nil {
94 return err
95 }
96 defer resp.Body.Close()
97 switch resp.StatusCode {
98 case 200:
99 case 201:
100 case 202:
101 default:
102 var buf [4096]byte
103 n, _ := resp.Body.Read(buf[:])
104 dlog.Printf("post failure message: %s", buf[:n])
105 return fmt.Errorf("http post status: %d", resp.StatusCode)
106 }
107 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
108 return nil
109}
110
111func GetJunk(userid int64, url string) (junk.Junk, error) {
112 return GetJunkTimeout(userid, url, slowTimeout*time.Second, nil)
113}
114
115func GetJunkFast(userid int64, url string) (junk.Junk, error) {
116 return GetJunkTimeout(userid, url, fastTimeout*time.Second, nil)
117}
118
119func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
120 j, err := GetJunk(userid, url)
121 if err != nil {
122 emsg := err.Error()
123 if emsg == "http get status: 429" || emsg == "http get status: 502" ||
124 strings.Contains(emsg, "timeout") {
125 ilog.Printf("trying %s again after error: %s", url, emsg)
126 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
127 j, err = GetJunk(userid, url)
128 if err != nil {
129 ilog.Printf("still couldn't get %s", url)
130 } else {
131 ilog.Printf("retry success!")
132 }
133 }
134 }
135 return j, err
136}
137
138var flightdeck = gate.NewSerializer()
139
140func GetJunkTimeout(userid int64, url string, timeout time.Duration, final *string) (junk.Junk, error) {
141 if rejectorigin(userid, url, false) {
142 return nil, fmt.Errorf("rejected origin: %s", url)
143 }
144 if final != nil {
145 *final = url
146 }
147 sign := func(req *http.Request) error {
148 ki := ziggy(userid)
149 if ki != nil {
150 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
151 }
152 return nil
153 }
154 if develMode {
155 sign = nil
156 }
157 client := honkClient
158 client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
159 if len(via) >= 5 {
160 return fmt.Errorf("stopped after 5 redirects")
161 }
162 if final != nil {
163 *final = req.URL.String()
164 }
165 if sign != nil {
166 sign(req)
167 }
168 return nil
169 }
170 fn := func() (interface{}, error) {
171 at := theonetruename
172 if strings.Contains(url, ".well-known/webfinger?resource") {
173 at = "application/jrd+json"
174 }
175 j, err := junk.Get(url, junk.GetArgs{
176 Accept: at,
177 Agent: "honksnonk/5.0; " + serverName,
178 Timeout: timeout,
179 Client: &client,
180 Fixup: sign,
181 })
182 return j, err
183 }
184
185 ji, err := flightdeck.Call(url, fn)
186 if err != nil {
187 return nil, err
188 }
189 j := ji.(junk.Junk)
190 return j, nil
191}
192
193func fetchsome(url string) ([]byte, error) {
194 req, err := http.NewRequest("GET", url, nil)
195 if err != nil {
196 ilog.Printf("error fetching %s: %s", url, err)
197 return nil, err
198 }
199 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
200 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
201 defer cancel()
202 req = req.WithContext(ctx)
203 resp, err := honkClient.Do(req)
204 if err != nil {
205 ilog.Printf("error fetching %s: %s", url, err)
206 return nil, err
207 }
208 defer resp.Body.Close()
209 switch resp.StatusCode {
210 case 200:
211 case 201:
212 case 202:
213 default:
214 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
215 }
216 var buf bytes.Buffer
217 limiter := io.LimitReader(resp.Body, 10*1024*1024)
218 io.Copy(&buf, limiter)
219 return buf.Bytes(), nil
220}
221
222func savedonk(url string, name, desc, media string, localize bool) *Donk {
223 if url == "" {
224 return nil
225 }
226 if donk := finddonk(url); donk != nil {
227 return donk
228 }
229 ilog.Printf("saving donk: %s", url)
230 data := []byte{}
231 if localize {
232 fn := func() (interface{}, error) {
233 return fetchsome(url)
234 }
235 ii, err := flightdeck.Call(url, fn)
236 if err != nil {
237 ilog.Printf("error fetching donk: %s", err)
238 localize = false
239 goto saveit
240 }
241 data = ii.([]byte)
242
243 if len(data) == 10*1024*1024 {
244 ilog.Printf("truncation likely")
245 }
246 if strings.HasPrefix(media, "image") {
247 img, err := shrinkit(data)
248 if err != nil {
249 ilog.Printf("unable to decode image: %s", err)
250 localize = false
251 data = []byte{}
252 goto saveit
253 }
254 data = img.Data
255 media = "image/" + img.Format
256 } else if media == "application/pdf" {
257 if len(data) > 1000000 {
258 ilog.Printf("not saving large pdf")
259 localize = false
260 data = []byte{}
261 }
262 } else if len(data) > 100000 {
263 ilog.Printf("not saving large attachment")
264 localize = false
265 data = []byte{}
266 }
267 }
268saveit:
269 fileid, err := savefile(name, desc, url, media, localize, data)
270 if err != nil {
271 elog.Printf("error saving file %s: %s", url, err)
272 return nil
273 }
274 donk := new(Donk)
275 donk.FileID = fileid
276 return donk
277}
278
279func iszonked(userid int64, xid string) bool {
280 var id int64
281 row := stmtFindZonk.QueryRow(userid, xid)
282 err := row.Scan(&id)
283 if err == nil {
284 return true
285 }
286 if err != sql.ErrNoRows {
287 ilog.Printf("error querying zonk: %s", err)
288 }
289 return false
290}
291
292func needxonk(user *WhatAbout, x *Honk) bool {
293 if rejectxonk(x) {
294 return false
295 }
296 return needxonkid(user, x.XID)
297}
298func needbonkid(user *WhatAbout, xid string) bool {
299 return needxonkidX(user, xid, true)
300}
301func needxonkid(user *WhatAbout, xid string) bool {
302 return needxonkidX(user, xid, false)
303}
304func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
305 if !strings.HasPrefix(xid, "https://") {
306 return false
307 }
308 if strings.HasPrefix(xid, user.URL+"/") {
309 return false
310 }
311 if rejectorigin(user.ID, xid, isannounce) {
312 ilog.Printf("rejecting origin: %s", xid)
313 return false
314 }
315 if iszonked(user.ID, xid) {
316 ilog.Printf("already zonked: %s", xid)
317 return false
318 }
319 var id int64
320 row := stmtFindXonk.QueryRow(user.ID, xid)
321 err := row.Scan(&id)
322 if err == nil {
323 return false
324 }
325 if err != sql.ErrNoRows {
326 ilog.Printf("error querying xonk: %s", err)
327 }
328 return true
329}
330
331func eradicatexonk(userid int64, xid string) {
332 xonk := getxonk(userid, xid)
333 if xonk != nil {
334 deletehonk(xonk.ID)
335 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
336 if err != nil {
337 elog.Printf("error eradicating: %s", err)
338 }
339 }
340}
341
342func savexonk(x *Honk) {
343 ilog.Printf("saving xonk: %s", x.XID)
344 go handles(x.Honker)
345 go handles(x.Oonker)
346 savehonk(x)
347}
348
349type Box struct {
350 In string
351 Out string
352 Shared string
353}
354
355var boxofboxes = gencache.New(gencache.Options[string, *Box]{Fill: func(ident string) (*Box, bool) {
356 var info string
357 row := stmtGetXonker.QueryRow(ident, "boxes")
358 err := row.Scan(&info)
359 if err != nil {
360 dlog.Printf("need to get boxes for %s", ident)
361 var j junk.Junk
362 j, err = GetJunk(readyLuserOne, ident)
363 if err != nil {
364 dlog.Printf("error getting boxes: %s", err)
365 return nil, false
366 }
367 allinjest(originate(ident), j)
368 row = stmtGetXonker.QueryRow(ident, "boxes")
369 err = row.Scan(&info)
370 }
371 if err == nil {
372 m := strings.Split(info, " ")
373 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
374 return b, true
375 }
376 return nil, false
377}})
378
379var gettergate = gate.NewLimiter(1)
380
381func getsomemore(user *WhatAbout, page string) {
382 time.Sleep(5 * time.Second)
383 gettergate.Start()
384 defer gettergate.Finish()
385 gimmexonks(user, page)
386}
387
388func gimmexonks(user *WhatAbout, outbox string) {
389 dlog.Printf("getting outbox: %s", outbox)
390 j, err := GetJunk(user.ID, outbox)
391 if err != nil {
392 ilog.Printf("error getting outbox: %s", err)
393 return
394 }
395 t, _ := j.GetString("type")
396 origin := originate(outbox)
397 if t == "OrderedCollection" || t == "CollectionPage" {
398 items, _ := j.GetArray("orderedItems")
399 if items == nil {
400 items, _ = j.GetArray("items")
401 }
402 if items == nil {
403 obj, ok := j.GetMap("first")
404 if ok {
405 items, _ = obj.GetArray("orderedItems")
406 } else {
407 page1, ok := j.GetString("first")
408 if ok {
409 j, err = GetJunk(user.ID, page1)
410 if err != nil {
411 ilog.Printf("error getting page1: %s", err)
412 return
413 }
414 items, _ = j.GetArray("orderedItems")
415 }
416 }
417 }
418 if len(items) > 20 {
419 items = items[0:20]
420 }
421 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
422 items[i], items[j] = items[j], items[i]
423 }
424 for _, item := range items {
425 obj, ok := item.(junk.Junk)
426 if ok {
427 xonksaver(user, obj, origin)
428 continue
429 }
430 xid, ok := item.(string)
431 if ok {
432 if !needxonkid(user, xid) {
433 continue
434 }
435 obj, err = GetJunk(user.ID, xid)
436 if err != nil {
437 ilog.Printf("error getting item: %s", err)
438 continue
439 }
440 xonksaver(user, obj, originate(xid))
441 }
442 }
443 }
444}
445
446func newphone(a []string, obj junk.Junk) []string {
447 for _, addr := range []string{"to", "cc", "attributedTo"} {
448 who, _ := obj.GetString(addr)
449 if who != "" {
450 a = append(a, who)
451 }
452 whos, _ := obj.GetArray(addr)
453 for _, w := range whos {
454 who, _ := w.(string)
455 if who != "" {
456 a = append(a, who)
457 }
458 }
459 }
460 return a
461}
462
463func extractattrto(obj junk.Junk) string {
464 arr := oneforall(obj, "attributedTo")
465 for _, a := range arr {
466 s, ok := a.(string)
467 if ok {
468 return s
469 }
470 o, ok := a.(junk.Junk)
471 if ok {
472 t, _ := o.GetString("type")
473 id, _ := o.GetString("id")
474 if t == "Person" || t == "" {
475 return id
476 }
477 }
478 }
479 return ""
480}
481
482func oneforall(obj junk.Junk, key string) []interface{} {
483 if val, ok := obj.GetMap(key); ok {
484 return []interface{}{val}
485 }
486 if str, ok := obj.GetString(key); ok {
487 return []interface{}{str}
488 }
489 arr, _ := obj.GetArray(key)
490 return arr
491}
492
493func firstofmany(obj junk.Junk, key string) string {
494 if val, _ := obj.GetString(key); val != "" {
495 return val
496 }
497 if arr, _ := obj.GetArray(key); len(arr) > 0 {
498 val, ok := arr[0].(string)
499 if ok {
500 return val
501 }
502 }
503 return ""
504}
505
506var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
507var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)(@[[:alnum:].]+)?/([[:digit:]]+)`)
508var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
509var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
510var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
511var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
512var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
513
514func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
515 depth := 0
516 maxdepth := 10
517 currenttid := ""
518 goingup := 0
519 var xonkxonkfn func(junk.Junk, string, bool, string) *Honk
520
521 qutify := func(user *WhatAbout, qurl, content string) string {
522 if depth >= maxdepth {
523 ilog.Printf("in too deep")
524 return content
525 }
526 // well this is gross
527 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
528 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
529 mlinks := re_qtlinks.FindAllString(malcontent, -1)
530 if qurl != "" {
531 mlinks = append(mlinks, ">"+qurl+"<")
532 }
533 for _, m := range mlinks {
534 tryit := false
535 m = m[1 : len(m)-1]
536 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
537 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
538 re_roma1ink.MatchString(m) {
539 tryit = true
540 } else if re_masto1ink.MatchString(m) {
541 tryit = true
542 }
543 if tryit {
544 var prefix string
545 if m == qurl {
546 prefix += fmt.Sprintf("<p><a href=\"%s\">%s</a>", m, m)
547 }
548 var final string
549 if x := getxonk(user.ID, m); x != nil {
550 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, x.Noise)
551 } else if j, err := GetJunkTimeout(user.ID, m, fastTimeout*time.Second, &final); err == nil {
552 q, ok := j.GetString("content")
553 if ok {
554 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, q)
555 }
556 prevdepth := depth
557 depth = maxdepth
558 xonkxonkfn(j, originate(final), false, "")
559 depth = prevdepth
560 }
561 }
562 }
563 return content
564 }
565
566 saveonemore := func(xid string) {
567 dlog.Printf("getting onemore: %s", xid)
568 if depth >= maxdepth {
569 ilog.Printf("in too deep")
570 return
571 }
572 obj, err := GetJunkHardMode(user.ID, xid)
573 if err != nil {
574 ilog.Printf("error getting onemore: %s: %s", xid, err)
575 return
576 }
577 xonkxonkfn(obj, originate(xid), false, "")
578 }
579
580 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
581 id, _ := item.GetString("id")
582 what := firstofmany(item, "type")
583 dt, ok := item.GetString("published")
584 if !ok {
585 dt = time.Now().Format(time.RFC3339)
586 }
587 if depth >= maxdepth+5 {
588 ilog.Printf("went too deep in xonkxonk")
589 return nil
590 }
591 depth++
592 defer func() { depth-- }()
593
594 var err error
595 var xid, rid, url, convoy string
596 var replies []string
597 var obj junk.Junk
598 waspage := false
599 preferorig := false
600 switch what {
601 case "Delete":
602 obj, ok = item.GetMap("object")
603 if ok {
604 xid, _ = obj.GetString("id")
605 } else {
606 xid, _ = item.GetString("object")
607 }
608 if xid == "" {
609 return nil
610 }
611 if originate(xid) != origin {
612 ilog.Printf("forged delete: %s", xid)
613 return nil
614 }
615 ilog.Printf("eradicating %s", xid)
616 eradicatexonk(user.ID, xid)
617 return nil
618 case "Remove":
619 xid, _ = item.GetString("object")
620 targ, _ := obj.GetString("target")
621 ilog.Printf("remove %s from %s", obj, targ)
622 return nil
623 case "Tombstone":
624 xid, _ = item.GetString("id")
625 if xid == "" {
626 return nil
627 }
628 if originate(xid) != origin {
629 ilog.Printf("forged delete: %s", xid)
630 return nil
631 }
632 ilog.Printf("eradicating %s", xid)
633 eradicatexonk(user.ID, xid)
634 return nil
635 case "Announce":
636 obj, ok = item.GetMap("object")
637 if ok {
638 // peek ahead some
639 what := firstofmany(obj, "type")
640 if what == "Create" || what == "Update" {
641 if what == "Update" {
642 isUpdate = true
643 }
644 inner, ok := obj.GetMap("object")
645 if ok {
646 obj = inner
647 } else {
648 xid, _ = obj.GetString("object")
649 }
650 }
651 if xid == "" {
652 xid, _ = obj.GetString("id")
653 }
654 } else {
655 xid, _ = item.GetString("object")
656 }
657 if !isUpdate && !needbonkid(user, xid) {
658 return nil
659 }
660 bonker, _ = item.GetString("actor")
661 origin = originate(xid)
662 if ok && originate(id) == origin {
663 dlog.Printf("using object in announce for %s", xid)
664 } else {
665 dlog.Printf("getting bonk: %s", xid)
666 obj, err = GetJunkHardMode(user.ID, xid)
667 if err != nil {
668 ilog.Printf("error getting bonk: %s: %s", xid, err)
669 return nil
670 }
671 }
672 return xonkxonkfn(obj, origin, isUpdate, bonker)
673 case "Update":
674 isUpdate = true
675 fallthrough
676 case "Create":
677 obj, ok = item.GetMap("object")
678 if !ok {
679 xid, _ = item.GetString("object")
680 dlog.Printf("getting created honk: %s", xid)
681 if originate(xid) != origin {
682 ilog.Printf("out of bounds %s not from %s", xid, origin)
683 return nil
684 }
685 obj, err = GetJunkHardMode(user.ID, xid)
686 if err != nil {
687 ilog.Printf("error getting creation: %s", err)
688 }
689 }
690 if obj == nil {
691 ilog.Printf("no object for creation %s", id)
692 return nil
693 }
694 return xonkxonkfn(obj, origin, isUpdate, bonker)
695 case "Read":
696 xid, ok = item.GetString("object")
697 if ok {
698 if !needxonkid(user, xid) {
699 dlog.Printf("don't need read obj: %s", xid)
700 return nil
701 }
702 obj, err = GetJunkHardMode(user.ID, xid)
703 if err != nil {
704 ilog.Printf("error getting read: %s", err)
705 return nil
706 }
707 return xonkxonkfn(obj, originate(xid), false, "")
708 }
709 return nil
710 case "Add":
711 xid, ok = item.GetString("object")
712 if ok {
713 // check target...
714 if !needxonkid(user, xid) {
715 dlog.Printf("don't need added obj: %s", xid)
716 return nil
717 }
718 obj, err = GetJunkHardMode(user.ID, xid)
719 if err != nil {
720 ilog.Printf("error getting add: %s", err)
721 return nil
722 }
723 return xonkxonkfn(obj, originate(xid), false, "")
724 }
725 return nil
726 case "Move":
727 obj = item
728 what = "move"
729 case "Page":
730 waspage = true
731 fallthrough
732 case "Audio":
733 fallthrough
734 case "Image":
735 if what == "Image" {
736 preferorig = true
737 }
738 fallthrough
739 case "Video":
740 fallthrough
741 case "Question":
742 fallthrough
743 case "Note":
744 fallthrough
745 case "Article":
746 obj = item
747 what = "honk"
748 case "Event":
749 obj = item
750 what = "event"
751 case "ChatMessage":
752 bonker = ""
753 obj = item
754 what = "chonk"
755 default:
756 ilog.Printf("unknown activity: %s", what)
757 dumpactivity(item)
758 return nil
759 }
760 if bonker != "" {
761 what = "bonk"
762 }
763
764 if obj != nil {
765 xid, _ = obj.GetString("id")
766 }
767
768 if xid == "" {
769 ilog.Printf("don't know what xid is")
770 item.Write(ilog.Writer())
771 return nil
772 }
773 if originate(xid) != origin {
774 if !develMode && origin != "" {
775 ilog.Printf("original sin: %s not from %s", xid, origin)
776 item.Write(ilog.Writer())
777 return nil
778 }
779 }
780
781 var xonk Honk
782 // early init
783 xonk.XID = xid
784 xonk.UserID = user.ID
785 xonk.Honker, _ = item.GetString("actor")
786 if xonk.Honker == "" {
787 xonk.Honker, _ = item.GetString("attributedTo")
788 }
789 if obj != nil {
790 if xonk.Honker == "" {
791 xonk.Honker = extractattrto(obj)
792 }
793 if bonker != "" {
794 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
795 }
796 if xonk.Oonker == xonk.Honker {
797 xonk.Oonker = ""
798 }
799 xonk.Audience = newphone(nil, obj)
800 }
801 xonk.Audience = append(xonk.Audience, xonk.Honker)
802 xonk.Audience = oneofakind(xonk.Audience)
803 xonk.Public = loudandproud(xonk.Audience)
804
805 var mentions []Mention
806 if obj != nil {
807 ot := firstofmany(obj, "type")
808 url, _ = obj.GetString("url")
809 if dt2, ok := obj.GetString("published"); ok {
810 dt = dt2
811 }
812 content, _ := obj.GetString("content")
813 if !strings.HasPrefix(content, "<p>") {
814 content = "<p>" + content
815 }
816 precis, _ := obj.GetString("summary")
817 if name, ok := obj.GetString("name"); ok {
818 if precis != "" {
819 content = precis + "<p>" + content
820 }
821 precis = html.EscapeString(name)
822 }
823 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
824 precis = "unspecified horror"
825 }
826 if waspage {
827 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
828 url = xid
829 }
830 if user.Options.InlineQuotes {
831 qurl, _ := obj.GetString("quoteUrl")
832 content = qutify(user, qurl, content)
833 }
834 rid, ok = obj.GetString("inReplyTo")
835 if !ok {
836 if robj, ok := obj.GetMap("inReplyTo"); ok {
837 rid, _ = robj.GetString("id")
838 }
839 }
840 convoy, _ = obj.GetString("context")
841 if convoy == "" {
842 convoy, _ = obj.GetString("conversation")
843 }
844 if ot == "Question" {
845 if what == "honk" {
846 what = "qonk"
847 }
848 content += "<ul>"
849 ans, _ := obj.GetArray("oneOf")
850 for _, ai := range ans {
851 a, ok := ai.(junk.Junk)
852 if !ok {
853 continue
854 }
855 as, _ := a.GetString("name")
856 content += "<li>" + as
857 }
858 ans, _ = obj.GetArray("anyOf")
859 for _, ai := range ans {
860 a, ok := ai.(junk.Junk)
861 if !ok {
862 continue
863 }
864 as, _ := a.GetString("name")
865 content += "<li>" + as
866 }
867 content += "</ul>"
868 }
869 if ot == "Move" {
870 targ, _ := obj.GetString("target")
871 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
872 }
873 if len(content) > 90001 {
874 ilog.Printf("content too long. truncating")
875 content = content[:90001]
876 }
877
878 xonk.Noise = content
879 xonk.Precis = precis
880 if rejectxonk(&xonk) {
881 dlog.Printf("fast reject: %s", xid)
882 return nil
883 }
884
885 numatts := 0
886 procatt := func(att junk.Junk) {
887 at, _ := att.GetString("type")
888 mt, _ := att.GetString("mediaType")
889 if mt == "" {
890 mt = "image"
891 }
892 u, ok := att.GetString("url")
893 if !ok {
894 u, ok = att.GetString("href")
895 }
896 if !ok {
897 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
898 u, ok = ua[0].(string)
899 if !ok {
900 if uu, ok := ua[0].(junk.Junk); ok {
901 u, _ = uu.GetString("href")
902 if mt == "" {
903 mt, _ = uu.GetString("mediaType")
904 }
905 }
906 }
907 } else if uu, ok := att.GetMap("url"); ok {
908 u, _ = uu.GetString("href")
909 if mt == "" {
910 mt, _ = uu.GetString("mediaType")
911 }
912 }
913 }
914 name, _ := att.GetString("name")
915 desc, _ := att.GetString("summary")
916 desc = html.UnescapeString(desc)
917 if desc == "" {
918 desc = name
919 }
920 localize := false
921 if at == "Document" || at == "Image" {
922 mt = strings.ToLower(mt)
923 dlog.Printf("attachment: %s %s", mt, u)
924 if mt == "text/plain" || mt == "application/pdf" ||
925 strings.HasPrefix(mt, "image") {
926 if numatts > 4 {
927 ilog.Printf("excessive attachment: %s", at)
928 } else {
929 localize = true
930 }
931 }
932 } else if at == "Link" {
933 if waspage {
934 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
935 return
936 }
937 if name == "" {
938 name = u
939 }
940 } else {
941 ilog.Printf("unknown attachment: %s", at)
942 }
943 if skipMedia(&xonk) {
944 localize = false
945 }
946 if preferorig && !localize {
947 return
948 }
949 donk := savedonk(u, name, desc, mt, localize)
950 if donk != nil {
951 xonk.Donks = append(xonk.Donks, donk)
952 }
953 numatts++
954 }
955 if img, ok := obj.GetMap("image"); ok {
956 procatt(img)
957 }
958 if preferorig {
959 atts, _ := obj.GetArray("url")
960 for _, atti := range atts {
961 att, ok := atti.(junk.Junk)
962 if !ok {
963 ilog.Printf("attachment that wasn't map?")
964 continue
965 }
966 procatt(att)
967 }
968 if numatts == 0 {
969 preferorig = false
970 }
971 }
972 if !preferorig {
973 atts := oneforall(obj, "attachment")
974 for _, atti := range atts {
975 att, ok := atti.(junk.Junk)
976 if !ok {
977 ilog.Printf("attachment that wasn't map?")
978 continue
979 }
980 procatt(att)
981 }
982 }
983 proctag := func(tag junk.Junk) {
984 tt, _ := tag.GetString("type")
985 name, _ := tag.GetString("name")
986 desc, _ := tag.GetString("summary")
987 desc = html.UnescapeString(desc)
988 if desc == "" {
989 desc = name
990 }
991 if tt == "Emoji" {
992 icon, _ := tag.GetMap("icon")
993 mt, _ := icon.GetString("mediaType")
994 if mt == "" {
995 mt = "image/png"
996 }
997 u, _ := icon.GetString("url")
998 donk := savedonk(u, name, desc, mt, true)
999 if donk != nil {
1000 xonk.Donks = append(xonk.Donks, donk)
1001 }
1002 }
1003 if tt == "Hashtag" {
1004 if name == "" || name == "#" {
1005 // skip it
1006 } else {
1007 if name[0] != '#' {
1008 name = "#" + name
1009 }
1010 xonk.Onts = append(xonk.Onts, name)
1011 }
1012 }
1013 if tt == "Place" {
1014 p := new(Place)
1015 p.Name = name
1016 p.Latitude, _ = tag.GetNumber("latitude")
1017 p.Longitude, _ = tag.GetNumber("longitude")
1018 p.Url, _ = tag.GetString("url")
1019 xonk.Place = p
1020 }
1021 if tt == "Mention" {
1022 var m Mention
1023 m.Who, _ = tag.GetString("name")
1024 m.Where, _ = tag.GetString("href")
1025 mentions = append(mentions, m)
1026 }
1027 }
1028 tags := oneforall(obj, "tag")
1029 for _, tagi := range tags {
1030 tag, ok := tagi.(junk.Junk)
1031 if !ok {
1032 continue
1033 }
1034 proctag(tag)
1035 }
1036 if starttime, ok := obj.GetString("startTime"); ok {
1037 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1038 t := new(Time)
1039 t.StartTime = start
1040 endtime, _ := obj.GetString("endTime")
1041 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1042 dura, _ := obj.GetString("duration")
1043 if strings.HasPrefix(dura, "PT") {
1044 dura = strings.ToLower(dura[2:])
1045 d, _ := time.ParseDuration(dura)
1046 t.Duration = Duration(d)
1047 }
1048 xonk.Time = t
1049 }
1050 }
1051 if loca, ok := obj.GetMap("location"); ok {
1052 if tt, _ := loca.GetString("type"); tt == "Place" {
1053 p := new(Place)
1054 p.Name, _ = loca.GetString("name")
1055 p.Latitude, _ = loca.GetNumber("latitude")
1056 p.Longitude, _ = loca.GetNumber("longitude")
1057 p.Url, _ = loca.GetString("url")
1058 xonk.Place = p
1059 }
1060 }
1061
1062 xonk.Onts = oneofakind(xonk.Onts)
1063 replyobj, ok := obj.GetMap("replies")
1064 if ok {
1065 items, ok := replyobj.GetArray("items")
1066 if !ok {
1067 first, ok := replyobj.GetMap("first")
1068 if ok {
1069 items, _ = first.GetArray("items")
1070 next, _ := first.GetString("next")
1071 if next != "" {
1072 go getsomemore(user, next)
1073 }
1074 }
1075 }
1076 for _, repl := range items {
1077 s, ok := repl.(string)
1078 if ok {
1079 replies = append(replies, s)
1080 }
1081 }
1082 }
1083
1084 }
1085
1086 if currenttid == "" {
1087 currenttid = convoy
1088 }
1089
1090 // init xonk
1091 xonk.What = what
1092 xonk.RID = rid
1093 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1094 xonk.URL = url
1095 xonk.Format = "html"
1096 xonk.Convoy = convoy
1097 xonk.Mentions = mentions
1098 for _, m := range mentions {
1099 if m.Where == user.URL {
1100 xonk.Whofore = 1
1101 }
1102 }
1103 imaginate(&xonk)
1104
1105 if what == "chonk" {
1106 target, _ := obj.GetString("to")
1107 if target == user.URL {
1108 target = xonk.Honker
1109 }
1110 ch := Chonk{
1111 UserID: xonk.UserID,
1112 XID: xid,
1113 Who: xonk.Honker,
1114 Target: target,
1115 Date: xonk.Date,
1116 Noise: xonk.Noise,
1117 Format: xonk.Format,
1118 Donks: xonk.Donks,
1119 }
1120 savechonk(&ch)
1121 return nil
1122 }
1123
1124 if isUpdate {
1125 dlog.Printf("something has changed! %s", xonk.XID)
1126 prev := getxonk(user.ID, xonk.XID)
1127 if prev == nil {
1128 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1129 isUpdate = false
1130 } else {
1131 xonk.ID = prev.ID
1132 updatehonk(&xonk)
1133 }
1134 }
1135 if !isUpdate && needxonk(user, &xonk) {
1136 if rid != "" && xonk.Public {
1137 if needxonkid(user, rid) {
1138 goingup++
1139 saveonemore(rid)
1140 goingup--
1141 }
1142 if convoy == "" {
1143 xx := getxonk(user.ID, rid)
1144 if xx != nil {
1145 convoy = xx.Convoy
1146 }
1147 }
1148 }
1149 if convoy == "" {
1150 convoy = currenttid
1151 }
1152 if convoy == "" {
1153 convoy = xonk.XID
1154 currenttid = convoy
1155 }
1156 xonk.Convoy = convoy
1157 savexonk(&xonk)
1158 }
1159 if goingup == 0 {
1160 for _, replid := range replies {
1161 if needxonkid(user, replid) {
1162 dlog.Printf("missing a reply: %s", replid)
1163 saveonemore(replid)
1164 }
1165 }
1166 }
1167 return &xonk
1168 }
1169
1170 return xonkxonkfn(item, origin, false, "")
1171}
1172
1173func dumpactivity(item junk.Junk) {
1174 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1175 if err != nil {
1176 elog.Printf("error opening inbox! %s", err)
1177 return
1178 }
1179 defer fd.Close()
1180 item.Write(fd)
1181 io.WriteString(fd, "\n")
1182}
1183
1184func rubadubdub(user *WhatAbout, req junk.Junk) {
1185 actor, _ := req.GetString("actor")
1186 j := junk.New()
1187 j["@context"] = itiswhatitis
1188 j["id"] = user.URL + "/dub/" + xfiltrate()
1189 j["type"] = "Accept"
1190 j["actor"] = user.URL
1191 j["to"] = actor
1192 j["published"] = time.Now().UTC().Format(time.RFC3339)
1193 j["object"] = req
1194
1195 deliverate(user.ID, actor, j.ToBytes())
1196}
1197
1198func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1199 j := junk.New()
1200 j["@context"] = itiswhatitis
1201 j["id"] = user.URL + "/unsub/" + folxid
1202 j["type"] = "Undo"
1203 j["actor"] = user.URL
1204 j["to"] = owner
1205 f := junk.New()
1206 f["id"] = user.URL + "/sub/" + folxid
1207 f["type"] = "Follow"
1208 f["actor"] = user.URL
1209 f["to"] = owner
1210 f["object"] = xid
1211 j["object"] = f
1212 j["published"] = time.Now().UTC().Format(time.RFC3339)
1213
1214 deliverate(user.ID, owner, j.ToBytes())
1215}
1216
1217func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1218 if xid == "" {
1219 ilog.Printf("can't subscribe to empty")
1220 return
1221 }
1222 j := junk.New()
1223 j["@context"] = itiswhatitis
1224 j["id"] = user.URL + "/sub/" + folxid
1225 j["type"] = "Follow"
1226 j["actor"] = user.URL
1227 j["to"] = owner
1228 j["object"] = xid
1229 j["published"] = time.Now().UTC().Format(time.RFC3339)
1230
1231 deliverate(user.ID, owner, j.ToBytes())
1232}
1233
1234func activatedonks(donks []*Donk) []junk.Junk {
1235 var atts []junk.Junk
1236 for _, d := range donks {
1237 if re_emus.MatchString(d.Name) {
1238 continue
1239 }
1240 jd := junk.New()
1241 jd["mediaType"] = d.Media
1242 jd["name"] = d.Name
1243 jd["summary"] = html.EscapeString(d.Desc)
1244 jd["type"] = "Document"
1245 jd["url"] = d.URL
1246 atts = append(atts, jd)
1247 }
1248 return atts
1249}
1250
1251// returns activity, object
1252func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1253 dt := h.Date.Format(time.RFC3339)
1254 var jo junk.Junk
1255 j := junk.New()
1256 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1257 j["actor"] = user.URL
1258 j["published"] = dt
1259 j["to"] = h.Audience[0]
1260 if len(h.Audience) > 1 {
1261 j["cc"] = h.Audience[1:]
1262 }
1263
1264 switch h.What {
1265 case "update":
1266 fallthrough
1267 case "event":
1268 fallthrough
1269 case "honk":
1270 j["type"] = "Create"
1271 jo = junk.New()
1272 jo["id"] = h.XID
1273 jo["type"] = "Note"
1274 if h.What == "event" {
1275 jo["type"] = "Event"
1276 }
1277 if h.What == "update" {
1278 j["type"] = "Update"
1279 jo["updated"] = dt
1280 }
1281 jo["published"] = dt
1282 jo["url"] = h.XID
1283 jo["attributedTo"] = user.URL
1284 if h.RID != "" {
1285 jo["inReplyTo"] = h.RID
1286 }
1287 if h.Convoy != "" {
1288 jo["context"] = h.Convoy
1289 jo["conversation"] = h.Convoy
1290 }
1291 jo["to"] = h.Audience[0]
1292 if len(h.Audience) > 1 {
1293 jo["cc"] = h.Audience[1:]
1294 }
1295 if !h.Public {
1296 jo["directMessage"] = true
1297 }
1298 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1299 translate(h)
1300 redoimages(h)
1301 if h.Precis != "" {
1302 jo["sensitive"] = true
1303 }
1304
1305 var replies []string
1306 for _, reply := range h.Replies {
1307 replies = append(replies, reply.XID)
1308 }
1309 if len(replies) > 0 {
1310 jr := junk.New()
1311 jr["type"] = "Collection"
1312 jr["totalItems"] = len(replies)
1313 jr["items"] = replies
1314 jo["replies"] = jr
1315 }
1316
1317 var tags []junk.Junk
1318 for _, m := range h.Mentions {
1319 t := junk.New()
1320 t["type"] = "Mention"
1321 t["name"] = m.Who
1322 t["href"] = m.Where
1323 tags = append(tags, t)
1324 }
1325 for _, o := range h.Onts {
1326 t := junk.New()
1327 t["type"] = "Hashtag"
1328 o = strings.ToLower(o)
1329 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1330 t["name"] = o
1331 tags = append(tags, t)
1332 }
1333 for _, e := range herdofemus(h.Noise) {
1334 t := junk.New()
1335 t["id"] = e.ID
1336 t["type"] = "Emoji"
1337 t["name"] = e.Name
1338 i := junk.New()
1339 i["type"] = "Image"
1340 i["mediaType"] = e.Type
1341 i["url"] = e.ID
1342 t["icon"] = i
1343 tags = append(tags, t)
1344 }
1345 for _, e := range fixupflags(h) {
1346 t := junk.New()
1347 t["id"] = e.ID
1348 t["type"] = "Emoji"
1349 t["name"] = e.Name
1350 i := junk.New()
1351 i["type"] = "Image"
1352 i["mediaType"] = "image/png"
1353 i["url"] = e.ID
1354 t["icon"] = i
1355 tags = append(tags, t)
1356 }
1357 if len(tags) > 0 {
1358 jo["tag"] = tags
1359 }
1360 if p := h.Place; p != nil {
1361 t := junk.New()
1362 t["type"] = "Place"
1363 if p.Name != "" {
1364 t["name"] = p.Name
1365 }
1366 if p.Latitude != 0 {
1367 t["latitude"] = p.Latitude
1368 }
1369 if p.Longitude != 0 {
1370 t["longitude"] = p.Longitude
1371 }
1372 if p.Url != "" {
1373 t["url"] = p.Url
1374 }
1375 jo["location"] = t
1376 }
1377 if t := h.Time; t != nil {
1378 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1379 if t.Duration != 0 {
1380 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1381 }
1382 }
1383 atts := activatedonks(h.Donks)
1384 if len(atts) > 0 {
1385 jo["attachment"] = atts
1386 }
1387 jo["summary"] = h.Precis
1388 jo["content"] = h.Noise
1389 j["object"] = jo
1390 case "bonk":
1391 j["type"] = "Announce"
1392 if h.Convoy != "" {
1393 j["context"] = h.Convoy
1394 }
1395 j["object"] = h.XID
1396 case "unbonk":
1397 b := junk.New()
1398 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1399 b["type"] = "Announce"
1400 b["actor"] = user.URL
1401 if h.Convoy != "" {
1402 b["context"] = h.Convoy
1403 }
1404 b["object"] = h.XID
1405 j["type"] = "Undo"
1406 j["object"] = b
1407 case "zonk":
1408 j["type"] = "Delete"
1409 j["object"] = h.XID
1410 case "ack":
1411 j["type"] = "Read"
1412 j["object"] = h.XID
1413 if h.Convoy != "" {
1414 j["context"] = h.Convoy
1415 }
1416 case "react":
1417 j["type"] = "EmojiReact"
1418 j["object"] = h.XID
1419 if h.Convoy != "" {
1420 j["context"] = h.Convoy
1421 }
1422 j["content"] = h.Noise
1423 case "deack":
1424 b := junk.New()
1425 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1426 b["type"] = "Read"
1427 b["actor"] = user.URL
1428 b["object"] = h.XID
1429 if h.Convoy != "" {
1430 b["context"] = h.Convoy
1431 }
1432 j["type"] = "Undo"
1433 j["object"] = b
1434 }
1435
1436 return j, jo
1437}
1438
1439var oldjonks = gencache.New(gencache.Options[string, []byte]{Fill: func(xid string) ([]byte, bool) {
1440 row := stmtAnyXonk.QueryRow(xid)
1441 honk := scanhonk(row)
1442 if honk == nil || !honk.Public {
1443 return nil, true
1444 }
1445 user, _ := butwhatabout(honk.Username)
1446 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1447 reversehonks(rawhonks)
1448 for _, h := range rawhonks {
1449 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1450 honk.Replies = append(honk.Replies, h)
1451 }
1452 }
1453 donksforhonks([]*Honk{honk})
1454 _, j := jonkjonk(user, honk)
1455 if j == nil {
1456 elog.Fatalf("what just happened? %v", honk)
1457 }
1458 j["@context"] = itiswhatitis
1459
1460 return j.ToBytes(), true
1461}, Limit: 128})
1462
1463func gimmejonk(xid string) ([]byte, bool) {
1464 j, ok := oldjonks.Get(xid)
1465 return j, ok
1466}
1467
1468func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1469 rcpts := make(map[string]bool)
1470 for _, a := range addresses {
1471 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1472 continue
1473 }
1474 if a[0] == '%' {
1475 rcpts[a] = true
1476 continue
1477 }
1478 box, ok := boxofboxes.Get(a)
1479 if ok && useshared && box.Shared != "" {
1480 rcpts["%"+box.Shared] = true
1481 } else {
1482 rcpts[a] = true
1483 }
1484 }
1485 return rcpts
1486}
1487
1488func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1489 dt := ch.Date.Format(time.RFC3339)
1490 aud := []string{ch.Target}
1491
1492 jo := junk.New()
1493 jo["id"] = ch.XID
1494 jo["type"] = "ChatMessage"
1495 jo["published"] = dt
1496 jo["attributedTo"] = user.URL
1497 jo["to"] = aud
1498 jo["content"] = ch.HTML
1499 atts := activatedonks(ch.Donks)
1500 if len(atts) > 0 {
1501 jo["attachment"] = atts
1502 }
1503 var tags []junk.Junk
1504 for _, e := range herdofemus(ch.Noise) {
1505 t := junk.New()
1506 t["id"] = e.ID
1507 t["type"] = "Emoji"
1508 t["name"] = e.Name
1509 i := junk.New()
1510 i["type"] = "Image"
1511 i["mediaType"] = e.Type
1512 i["url"] = e.ID
1513 t["icon"] = i
1514 tags = append(tags, t)
1515 }
1516 if len(tags) > 0 {
1517 jo["tag"] = tags
1518 }
1519
1520 j := junk.New()
1521 j["@context"] = itiswhatitis
1522 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1523 j["type"] = "Create"
1524 j["actor"] = user.URL
1525 j["published"] = dt
1526 j["to"] = aud
1527 j["object"] = jo
1528
1529 return j.ToBytes()
1530}
1531
1532func sendchonk(user *WhatAbout, ch *Chonk) {
1533 msg := chonkifymsg(user, ch)
1534
1535 rcpts := make(map[string]bool)
1536 rcpts[ch.Target] = true
1537 for a := range rcpts {
1538 go deliverate(user.ID, a, msg)
1539 }
1540}
1541
1542func honkworldwide(user *WhatAbout, honk *Honk) {
1543 jonk, _ := jonkjonk(user, honk)
1544 jonk["@context"] = itiswhatitis
1545 msg := jonk.ToBytes()
1546
1547 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1548
1549 if honk.Public {
1550 for _, h := range getdubs(user.ID) {
1551 if h.XID == user.URL {
1552 continue
1553 }
1554 box, ok := boxofboxes.Get(h.XID)
1555 if ok && box.Shared != "" {
1556 rcpts["%"+box.Shared] = true
1557 } else {
1558 rcpts[h.XID] = true
1559 }
1560 }
1561 for _, f := range getbacktracks(honk.XID) {
1562 if f[0] == '%' {
1563 rcpts[f] = true
1564 } else {
1565 box, ok := boxofboxes.Get(f)
1566 if ok && box.Shared != "" {
1567 rcpts["%"+box.Shared] = true
1568 } else {
1569 rcpts[f] = true
1570 }
1571 }
1572 }
1573 }
1574 for a := range rcpts {
1575 go deliverate(user.ID, a, msg)
1576 }
1577 if honk.Public && len(honk.Onts) > 0 {
1578 collectiveaction(honk)
1579 }
1580}
1581
1582func collectiveaction(honk *Honk) {
1583 user := getserveruser()
1584 for _, ont := range honk.Onts {
1585 dubs := getnameddubs(readyLuserOne, ont)
1586 if len(dubs) == 0 {
1587 continue
1588 }
1589 j := junk.New()
1590 j["@context"] = itiswhatitis
1591 j["type"] = "Add"
1592 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1593 j["actor"] = user.URL
1594 j["object"] = honk.XID
1595 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1596 rcpts := make(map[string]bool)
1597 for _, dub := range dubs {
1598 box, ok := boxofboxes.Get(dub.XID)
1599 if ok && box.Shared != "" {
1600 rcpts["%"+box.Shared] = true
1601 } else {
1602 rcpts[dub.XID] = true
1603 }
1604 }
1605 msg := j.ToBytes()
1606 for a := range rcpts {
1607 go deliverate(user.ID, a, msg)
1608 }
1609 }
1610}
1611
1612func junkuser(user *WhatAbout) junk.Junk {
1613 j := junk.New()
1614 j["@context"] = itiswhatitis
1615 j["id"] = user.URL
1616 j["inbox"] = user.URL + "/inbox"
1617 j["outbox"] = user.URL + "/outbox"
1618 j["name"] = user.Display
1619 j["preferredUsername"] = user.Name
1620 j["summary"] = user.HTAbout
1621 var tags []junk.Junk
1622 for _, o := range user.Onts {
1623 t := junk.New()
1624 t["type"] = "Hashtag"
1625 o = strings.ToLower(o)
1626 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1627 t["name"] = o
1628 tags = append(tags, t)
1629 }
1630 if len(tags) > 0 {
1631 j["tag"] = tags
1632 }
1633
1634 if user.ID > 0 {
1635 j["type"] = "Person"
1636 j["url"] = user.URL
1637 j["followers"] = user.URL + "/followers"
1638 j["following"] = user.URL + "/following"
1639 a := junk.New()
1640 a["type"] = "Image"
1641 a["mediaType"] = "image/png"
1642 a["url"] = avatarURL(user)
1643 j["icon"] = a
1644 if ban := user.Options.Banner; ban != "" {
1645 a := junk.New()
1646 a["type"] = "Image"
1647 a["mediaType"] = "image/jpg"
1648 a["url"] = ban
1649 j["image"] = a
1650 }
1651 } else {
1652 j["type"] = "Service"
1653 }
1654 k := junk.New()
1655 k["id"] = user.URL + "#key"
1656 k["owner"] = user.URL
1657 k["publicKeyPem"] = user.Key
1658 j["publicKey"] = k
1659
1660 return j
1661}
1662
1663var oldjonkers = gencache.New(gencache.Options[string, []byte]{Fill: func(name string) ([]byte, bool) {
1664 user, err := butwhatabout(name)
1665 if err != nil {
1666 return nil, false
1667 }
1668 j := junkuser(user)
1669 return j.ToBytes(), true
1670}, Duration: 1 * time.Minute})
1671
1672func asjonker(name string) ([]byte, bool) {
1673 j, ok := oldjonkers.Get(name)
1674 return j, ok
1675}
1676
1677var handfull = gencache.New(gencache.Options[string, string]{Fill: func(name string) (string, bool) {
1678 m := strings.Split(name, "@")
1679 if len(m) != 2 {
1680 dlog.Printf("bad fish name: %s", name)
1681 return "", true
1682 }
1683 var href string
1684 row := stmtGetXonker.QueryRow(name, "fishname")
1685 err := row.Scan(&href)
1686 if err == nil {
1687 return href, true
1688 }
1689 dlog.Printf("fishing for %s", name)
1690 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1691 if err != nil {
1692 ilog.Printf("failed to go fish %s: %s", name, err)
1693 return "", true
1694 }
1695 links, _ := j.GetArray("links")
1696 for _, li := range links {
1697 l, ok := li.(junk.Junk)
1698 if !ok {
1699 continue
1700 }
1701 href, _ := l.GetString("href")
1702 rel, _ := l.GetString("rel")
1703 t, _ := l.GetString("type")
1704 if rel == "self" && friendorfoe(t) {
1705 when := time.Now().UTC().Format(dbtimeformat)
1706 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1707 if err != nil {
1708 elog.Printf("error saving fishname: %s", err)
1709 }
1710 return href, true
1711 }
1712 }
1713 return href, true
1714}, Duration: 1 * time.Minute})
1715
1716func gofish(name string) string {
1717 if name[0] == '@' {
1718 name = name[1:]
1719 }
1720 href, _ := handfull.Get(name)
1721 return href
1722}
1723
1724func investigate(name string) (*SomeThing, error) {
1725 if name == "" {
1726 return nil, fmt.Errorf("no name")
1727 }
1728 if name[0] == '@' {
1729 name = gofish(name)
1730 }
1731 if name == "" {
1732 return nil, fmt.Errorf("no name")
1733 }
1734 obj, err := GetJunkFast(readyLuserOne, name)
1735 if err != nil {
1736 return nil, err
1737 }
1738 allinjest(originate(name), obj)
1739 return somethingabout(obj)
1740}
1741
1742func somethingabout(obj junk.Junk) (*SomeThing, error) {
1743 info := new(SomeThing)
1744 t, _ := obj.GetString("type")
1745 isowned := false
1746 switch t {
1747 case "Person":
1748 fallthrough
1749 case "Group":
1750 fallthrough
1751 case "Organization":
1752 fallthrough
1753 case "Application":
1754 fallthrough
1755 case "Service":
1756 info.What = SomeActor
1757 case "OrderedCollection":
1758 isowned = true
1759 fallthrough
1760 case "Collection":
1761 info.What = SomeCollection
1762 default:
1763 return nil, fmt.Errorf("unknown object type")
1764 }
1765 info.XID, _ = obj.GetString("id")
1766 info.Name, _ = obj.GetString("preferredUsername")
1767 if info.Name == "" {
1768 info.Name, _ = obj.GetString("name")
1769 }
1770 if isowned {
1771 info.Owner, _ = obj.GetString("attributedTo")
1772 }
1773 if info.Owner == "" {
1774 info.Owner = info.XID
1775 }
1776 return info, nil
1777}
1778
1779func allinjest(origin string, obj junk.Junk) {
1780 keyobj, ok := obj.GetMap("publicKey")
1781 if ok {
1782 ingestpubkey(origin, keyobj)
1783 }
1784 ingestboxes(origin, obj)
1785 ingesthandle(origin, obj)
1786}
1787
1788func ingestpubkey(origin string, obj junk.Junk) {
1789 keyobj, ok := obj.GetMap("publicKey")
1790 if ok {
1791 obj = keyobj
1792 }
1793 keyname, ok := obj.GetString("id")
1794 var data string
1795 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1796 err := row.Scan(&data)
1797 if err == nil {
1798 return
1799 }
1800 if !ok || origin != originate(keyname) {
1801 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1802 return
1803 }
1804 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1805 owner, ok := obj.GetString("owner")
1806 if !ok {
1807 ilog.Printf("error finding %s pubkey owner", keyname)
1808 return
1809 }
1810 data, ok = obj.GetString("publicKeyPem")
1811 if !ok {
1812 ilog.Printf("error finding %s pubkey", keyname)
1813 return
1814 }
1815 if originate(owner) != origin {
1816 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1817 return
1818 }
1819 _, _, err = httpsig.DecodeKey(data)
1820 if err != nil {
1821 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1822 return
1823 }
1824 when := time.Now().UTC().Format(dbtimeformat)
1825 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1826 if err != nil {
1827 elog.Printf("error saving key: %s", err)
1828 }
1829}
1830
1831func ingestboxes(origin string, obj junk.Junk) {
1832 ident, _ := obj.GetString("id")
1833 if ident == "" {
1834 return
1835 }
1836 if originate(ident) != origin {
1837 return
1838 }
1839 var info string
1840 row := stmtGetXonker.QueryRow(ident, "boxes")
1841 err := row.Scan(&info)
1842 if err == nil {
1843 return
1844 }
1845 dlog.Printf("ingesting boxes: %s", ident)
1846 inbox, _ := obj.GetString("inbox")
1847 outbox, _ := obj.GetString("outbox")
1848 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1849 if inbox != "" {
1850 when := time.Now().UTC().Format(dbtimeformat)
1851 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1852 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1853 if err != nil {
1854 elog.Printf("error saving boxes: %s", err)
1855 }
1856 }
1857}
1858
1859func ingesthandle(origin string, obj junk.Junk) {
1860 xid, _ := obj.GetString("id")
1861 if xid == "" {
1862 return
1863 }
1864 if originate(xid) != origin {
1865 return
1866 }
1867 var handle string
1868 row := stmtGetXonker.QueryRow(xid, "handle")
1869 err := row.Scan(&handle)
1870 if err == nil {
1871 return
1872 }
1873 handle, _ = obj.GetString("preferredUsername")
1874 if handle != "" {
1875 when := time.Now().UTC().Format(dbtimeformat)
1876 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1877 if err != nil {
1878 elog.Printf("error saving handle: %s", err)
1879 }
1880 }
1881}
1882
1883func updateMe(username string) {
1884 user, _ := somenamedusers.Get(username)
1885 dt := time.Now().UTC().Format(time.RFC3339)
1886 j := junk.New()
1887 j["@context"] = itiswhatitis
1888 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1889 j["actor"] = user.URL
1890 j["published"] = dt
1891 j["to"] = thewholeworld
1892 j["type"] = "Update"
1893 j["object"] = junkuser(user)
1894
1895 msg := j.ToBytes()
1896
1897 rcpts := make(map[string]bool)
1898 for _, f := range getdubs(user.ID) {
1899 if f.XID == user.URL {
1900 continue
1901 }
1902 box, ok := boxofboxes.Get(f.XID)
1903 if ok && box.Shared != "" {
1904 rcpts["%"+box.Shared] = true
1905 } else {
1906 rcpts[f.XID] = true
1907 }
1908 }
1909 for a := range rcpts {
1910 go deliverate(user.ID, a, msg)
1911 }
1912}
1913
1914func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1915 folxid, _ := j.GetString("id")
1916
1917 ilog.Printf("updating honker follow: %s %s", who, folxid)
1918
1919 var x string
1920 db := opendatabase()
1921 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1922 err := row.Scan(&x)
1923 if err != sql.ErrNoRows {
1924 ilog.Printf("duplicate follow request: %s", who)
1925 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1926 if err != nil {
1927 elog.Printf("error updating honker: %s", err)
1928 }
1929 } else {
1930 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1931 }
1932 go rubadubdub(user, j)
1933}
1934
1935func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1936 var folxid string
1937 if who == "" {
1938 folxid, _ = j.GetString("object")
1939
1940 db := opendatabase()
1941 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1942 err := row.Scan(&who, &name)
1943 if err != nil {
1944 if err != sql.ErrNoRows {
1945 elog.Printf("error scanning honker: %s", err)
1946 }
1947 return
1948 }
1949 }
1950
1951 ilog.Printf("updating honker undo: %s %s", who, folxid)
1952 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1953 if err != nil {
1954 elog.Printf("error updating honker: %s", err)
1955 return
1956 }
1957}
1958
1959func followyou(user *WhatAbout, honkerid int64, sync bool) {
1960 var url, owner string
1961 db := opendatabase()
1962 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1963 honkerid, user.ID)
1964 err := row.Scan(&url, &owner)
1965 if err != nil {
1966 elog.Printf("can't get honker xid: %s", err)
1967 return
1968 }
1969 folxid := xfiltrate()
1970 ilog.Printf("subscribing to %s", url)
1971 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1972 if err != nil {
1973 elog.Printf("error updating honker: %s", err)
1974 return
1975 }
1976 if sync {
1977 subsub(user, url, owner, folxid)
1978 } else {
1979 go subsub(user, url, owner, folxid)
1980 }
1981
1982}
1983func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1984 db := opendatabase()
1985 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1986 honkerid, user.ID)
1987 var url, owner, folxid, flavor string
1988 err := row.Scan(&url, &owner, &folxid, &flavor)
1989 if err != nil {
1990 elog.Printf("can't get honker xid: %s", err)
1991 return
1992 }
1993 if flavor == "peep" {
1994 return
1995 }
1996 ilog.Printf("unsubscribing from %s", url)
1997 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1998 if err != nil {
1999 elog.Printf("error updating honker: %s", err)
2000 return
2001 }
2002 if sync {
2003 itakeitallback(user, url, owner, folxid)
2004 } else {
2005 go itakeitallback(user, url, owner, folxid)
2006 }
2007}
2008
2009func followyou2(user *WhatAbout, j junk.Junk) {
2010 who, _ := j.GetString("actor")
2011
2012 ilog.Printf("updating honker accept: %s", who)
2013 db := opendatabase()
2014 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2015 user.ID, who)
2016 var name, folxid string
2017 err := row.Scan(&name, &folxid)
2018 if err != nil {
2019 elog.Printf("can't get honker name: %s", err)
2020 return
2021 }
2022 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2023 if err != nil {
2024 elog.Printf("error updating honker: %s", err)
2025 return
2026 }
2027}
2028
2029func nofollowyou2(user *WhatAbout, j junk.Junk) {
2030 who, _ := j.GetString("actor")
2031
2032 ilog.Printf("updating honker reject: %s", who)
2033 db := opendatabase()
2034 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2035 user.ID, who)
2036 var name, folxid string
2037 err := row.Scan(&name, &folxid)
2038 if err != nil {
2039 elog.Printf("can't get honker name: %s", err)
2040 return
2041 }
2042 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2043 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2044 if err != nil {
2045 elog.Printf("error updating honker: %s", err)
2046 return
2047 }
2048}