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 }
1071 }
1072 for _, repl := range items {
1073 s, ok := repl.(string)
1074 if ok {
1075 replies = append(replies, s)
1076 }
1077 }
1078 }
1079
1080 }
1081
1082 if currenttid == "" {
1083 currenttid = convoy
1084 }
1085
1086 // init xonk
1087 xonk.What = what
1088 xonk.RID = rid
1089 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1090 xonk.URL = url
1091 xonk.Format = "html"
1092 xonk.Convoy = convoy
1093 xonk.Mentions = mentions
1094 for _, m := range mentions {
1095 if m.Where == user.URL {
1096 xonk.Whofore = 1
1097 }
1098 }
1099 imaginate(&xonk)
1100
1101 if what == "chonk" {
1102 target, _ := obj.GetString("to")
1103 if target == user.URL {
1104 target = xonk.Honker
1105 }
1106 ch := Chonk{
1107 UserID: xonk.UserID,
1108 XID: xid,
1109 Who: xonk.Honker,
1110 Target: target,
1111 Date: xonk.Date,
1112 Noise: xonk.Noise,
1113 Format: xonk.Format,
1114 Donks: xonk.Donks,
1115 }
1116 savechonk(&ch)
1117 return nil
1118 }
1119
1120 if isUpdate {
1121 dlog.Printf("something has changed! %s", xonk.XID)
1122 prev := getxonk(user.ID, xonk.XID)
1123 if prev == nil {
1124 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1125 isUpdate = false
1126 } else {
1127 xonk.ID = prev.ID
1128 updatehonk(&xonk)
1129 }
1130 }
1131 if !isUpdate && needxonk(user, &xonk) {
1132 if rid != "" && xonk.Public {
1133 if needxonkid(user, rid) {
1134 goingup++
1135 saveonemore(rid)
1136 goingup--
1137 }
1138 if convoy == "" {
1139 xx := getxonk(user.ID, rid)
1140 if xx != nil {
1141 convoy = xx.Convoy
1142 }
1143 }
1144 }
1145 if convoy == "" {
1146 convoy = currenttid
1147 }
1148 if convoy == "" {
1149 convoy = xonk.XID
1150 currenttid = convoy
1151 }
1152 xonk.Convoy = convoy
1153 savexonk(&xonk)
1154 }
1155 if goingup == 0 {
1156 for _, replid := range replies {
1157 if needxonkid(user, replid) {
1158 dlog.Printf("missing a reply: %s", replid)
1159 saveonemore(replid)
1160 }
1161 }
1162 }
1163 return &xonk
1164 }
1165
1166 return xonkxonkfn(item, origin, false, "")
1167}
1168
1169func dumpactivity(item junk.Junk) {
1170 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1171 if err != nil {
1172 elog.Printf("error opening inbox! %s", err)
1173 return
1174 }
1175 defer fd.Close()
1176 item.Write(fd)
1177 io.WriteString(fd, "\n")
1178}
1179
1180func rubadubdub(user *WhatAbout, req junk.Junk) {
1181 actor, _ := req.GetString("actor")
1182 j := junk.New()
1183 j["@context"] = itiswhatitis
1184 j["id"] = user.URL + "/dub/" + xfiltrate()
1185 j["type"] = "Accept"
1186 j["actor"] = user.URL
1187 j["to"] = actor
1188 j["published"] = time.Now().UTC().Format(time.RFC3339)
1189 j["object"] = req
1190
1191 deliverate(user.ID, actor, j.ToBytes())
1192}
1193
1194func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1195 j := junk.New()
1196 j["@context"] = itiswhatitis
1197 j["id"] = user.URL + "/unsub/" + folxid
1198 j["type"] = "Undo"
1199 j["actor"] = user.URL
1200 j["to"] = owner
1201 f := junk.New()
1202 f["id"] = user.URL + "/sub/" + folxid
1203 f["type"] = "Follow"
1204 f["actor"] = user.URL
1205 f["to"] = owner
1206 f["object"] = xid
1207 j["object"] = f
1208 j["published"] = time.Now().UTC().Format(time.RFC3339)
1209
1210 deliverate(user.ID, owner, j.ToBytes())
1211}
1212
1213func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1214 if xid == "" {
1215 ilog.Printf("can't subscribe to empty")
1216 return
1217 }
1218 j := junk.New()
1219 j["@context"] = itiswhatitis
1220 j["id"] = user.URL + "/sub/" + folxid
1221 j["type"] = "Follow"
1222 j["actor"] = user.URL
1223 j["to"] = owner
1224 j["object"] = xid
1225 j["published"] = time.Now().UTC().Format(time.RFC3339)
1226
1227 deliverate(user.ID, owner, j.ToBytes())
1228}
1229
1230func activatedonks(donks []*Donk) []junk.Junk {
1231 var atts []junk.Junk
1232 for _, d := range donks {
1233 if re_emus.MatchString(d.Name) {
1234 continue
1235 }
1236 jd := junk.New()
1237 jd["mediaType"] = d.Media
1238 jd["name"] = d.Name
1239 jd["summary"] = html.EscapeString(d.Desc)
1240 jd["type"] = "Document"
1241 jd["url"] = d.URL
1242 atts = append(atts, jd)
1243 }
1244 return atts
1245}
1246
1247// returns activity, object
1248func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1249 dt := h.Date.Format(time.RFC3339)
1250 var jo junk.Junk
1251 j := junk.New()
1252 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1253 j["actor"] = user.URL
1254 j["published"] = dt
1255 j["to"] = h.Audience[0]
1256 if len(h.Audience) > 1 {
1257 j["cc"] = h.Audience[1:]
1258 }
1259
1260 switch h.What {
1261 case "update":
1262 fallthrough
1263 case "event":
1264 fallthrough
1265 case "honk":
1266 j["type"] = "Create"
1267 jo = junk.New()
1268 jo["id"] = h.XID
1269 jo["type"] = "Note"
1270 if h.What == "event" {
1271 jo["type"] = "Event"
1272 }
1273 if h.What == "update" {
1274 j["type"] = "Update"
1275 jo["updated"] = dt
1276 }
1277 jo["published"] = dt
1278 jo["url"] = h.XID
1279 jo["attributedTo"] = user.URL
1280 if h.RID != "" {
1281 jo["inReplyTo"] = h.RID
1282 }
1283 if h.Convoy != "" {
1284 jo["context"] = h.Convoy
1285 jo["conversation"] = h.Convoy
1286 }
1287 jo["to"] = h.Audience[0]
1288 if len(h.Audience) > 1 {
1289 jo["cc"] = h.Audience[1:]
1290 }
1291 if !h.Public {
1292 jo["directMessage"] = true
1293 }
1294 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1295 translate(h)
1296 redoimages(h)
1297 if h.Precis != "" {
1298 jo["sensitive"] = true
1299 }
1300
1301 var replies []string
1302 for _, reply := range h.Replies {
1303 replies = append(replies, reply.XID)
1304 }
1305 if len(replies) > 0 {
1306 jr := junk.New()
1307 jr["type"] = "Collection"
1308 jr["totalItems"] = len(replies)
1309 jr["items"] = replies
1310 jo["replies"] = jr
1311 }
1312
1313 var tags []junk.Junk
1314 for _, m := range h.Mentions {
1315 t := junk.New()
1316 t["type"] = "Mention"
1317 t["name"] = m.Who
1318 t["href"] = m.Where
1319 tags = append(tags, t)
1320 }
1321 for _, o := range h.Onts {
1322 t := junk.New()
1323 t["type"] = "Hashtag"
1324 o = strings.ToLower(o)
1325 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1326 t["name"] = o
1327 tags = append(tags, t)
1328 }
1329 for _, e := range herdofemus(h.Noise) {
1330 t := junk.New()
1331 t["id"] = e.ID
1332 t["type"] = "Emoji"
1333 t["name"] = e.Name
1334 i := junk.New()
1335 i["type"] = "Image"
1336 i["mediaType"] = e.Type
1337 i["url"] = e.ID
1338 t["icon"] = i
1339 tags = append(tags, t)
1340 }
1341 for _, e := range fixupflags(h) {
1342 t := junk.New()
1343 t["id"] = e.ID
1344 t["type"] = "Emoji"
1345 t["name"] = e.Name
1346 i := junk.New()
1347 i["type"] = "Image"
1348 i["mediaType"] = "image/png"
1349 i["url"] = e.ID
1350 t["icon"] = i
1351 tags = append(tags, t)
1352 }
1353 if len(tags) > 0 {
1354 jo["tag"] = tags
1355 }
1356 if p := h.Place; p != nil {
1357 t := junk.New()
1358 t["type"] = "Place"
1359 if p.Name != "" {
1360 t["name"] = p.Name
1361 }
1362 if p.Latitude != 0 {
1363 t["latitude"] = p.Latitude
1364 }
1365 if p.Longitude != 0 {
1366 t["longitude"] = p.Longitude
1367 }
1368 if p.Url != "" {
1369 t["url"] = p.Url
1370 }
1371 jo["location"] = t
1372 }
1373 if t := h.Time; t != nil {
1374 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1375 if t.Duration != 0 {
1376 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1377 }
1378 }
1379 atts := activatedonks(h.Donks)
1380 if len(atts) > 0 {
1381 jo["attachment"] = atts
1382 }
1383 jo["summary"] = h.Precis
1384 jo["content"] = h.Noise
1385 j["object"] = jo
1386 case "bonk":
1387 j["type"] = "Announce"
1388 if h.Convoy != "" {
1389 j["context"] = h.Convoy
1390 }
1391 j["object"] = h.XID
1392 case "unbonk":
1393 b := junk.New()
1394 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1395 b["type"] = "Announce"
1396 b["actor"] = user.URL
1397 if h.Convoy != "" {
1398 b["context"] = h.Convoy
1399 }
1400 b["object"] = h.XID
1401 j["type"] = "Undo"
1402 j["object"] = b
1403 case "zonk":
1404 j["type"] = "Delete"
1405 j["object"] = h.XID
1406 case "ack":
1407 j["type"] = "Read"
1408 j["object"] = h.XID
1409 if h.Convoy != "" {
1410 j["context"] = h.Convoy
1411 }
1412 case "react":
1413 j["type"] = "EmojiReact"
1414 j["object"] = h.XID
1415 if h.Convoy != "" {
1416 j["context"] = h.Convoy
1417 }
1418 j["content"] = h.Noise
1419 case "deack":
1420 b := junk.New()
1421 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1422 b["type"] = "Read"
1423 b["actor"] = user.URL
1424 b["object"] = h.XID
1425 if h.Convoy != "" {
1426 b["context"] = h.Convoy
1427 }
1428 j["type"] = "Undo"
1429 j["object"] = b
1430 }
1431
1432 return j, jo
1433}
1434
1435var oldjonks = gencache.New(gencache.Options[string, []byte]{Fill: func(xid string) ([]byte, bool) {
1436 row := stmtAnyXonk.QueryRow(xid)
1437 honk := scanhonk(row)
1438 if honk == nil || !honk.Public {
1439 return nil, true
1440 }
1441 user, _ := butwhatabout(honk.Username)
1442 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1443 reversehonks(rawhonks)
1444 for _, h := range rawhonks {
1445 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1446 honk.Replies = append(honk.Replies, h)
1447 }
1448 }
1449 donksforhonks([]*Honk{honk})
1450 _, j := jonkjonk(user, honk)
1451 if j == nil {
1452 elog.Fatalf("what just happened? %v", honk)
1453 }
1454 j["@context"] = itiswhatitis
1455
1456 return j.ToBytes(), true
1457}, Limit: 128})
1458
1459func gimmejonk(xid string) ([]byte, bool) {
1460 j, ok := oldjonks.Get(xid)
1461 return j, ok
1462}
1463
1464func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1465 rcpts := make(map[string]bool)
1466 for _, a := range addresses {
1467 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1468 continue
1469 }
1470 if a[0] == '%' {
1471 rcpts[a] = true
1472 continue
1473 }
1474 box, ok := boxofboxes.Get(a)
1475 if ok && useshared && box.Shared != "" {
1476 rcpts["%"+box.Shared] = true
1477 } else {
1478 rcpts[a] = true
1479 }
1480 }
1481 return rcpts
1482}
1483
1484func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1485 dt := ch.Date.Format(time.RFC3339)
1486 aud := []string{ch.Target}
1487
1488 jo := junk.New()
1489 jo["id"] = ch.XID
1490 jo["type"] = "ChatMessage"
1491 jo["published"] = dt
1492 jo["attributedTo"] = user.URL
1493 jo["to"] = aud
1494 jo["content"] = ch.HTML
1495 atts := activatedonks(ch.Donks)
1496 if len(atts) > 0 {
1497 jo["attachment"] = atts
1498 }
1499 var tags []junk.Junk
1500 for _, e := range herdofemus(ch.Noise) {
1501 t := junk.New()
1502 t["id"] = e.ID
1503 t["type"] = "Emoji"
1504 t["name"] = e.Name
1505 i := junk.New()
1506 i["type"] = "Image"
1507 i["mediaType"] = e.Type
1508 i["url"] = e.ID
1509 t["icon"] = i
1510 tags = append(tags, t)
1511 }
1512 if len(tags) > 0 {
1513 jo["tag"] = tags
1514 }
1515
1516 j := junk.New()
1517 j["@context"] = itiswhatitis
1518 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1519 j["type"] = "Create"
1520 j["actor"] = user.URL
1521 j["published"] = dt
1522 j["to"] = aud
1523 j["object"] = jo
1524
1525 return j.ToBytes()
1526}
1527
1528func sendchonk(user *WhatAbout, ch *Chonk) {
1529 msg := chonkifymsg(user, ch)
1530
1531 rcpts := make(map[string]bool)
1532 rcpts[ch.Target] = true
1533 for a := range rcpts {
1534 go deliverate(user.ID, a, msg)
1535 }
1536}
1537
1538func honkworldwide(user *WhatAbout, honk *Honk) {
1539 jonk, _ := jonkjonk(user, honk)
1540 jonk["@context"] = itiswhatitis
1541 msg := jonk.ToBytes()
1542
1543 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1544
1545 if honk.Public {
1546 for _, h := range getdubs(user.ID) {
1547 if h.XID == user.URL {
1548 continue
1549 }
1550 box, ok := boxofboxes.Get(h.XID)
1551 if ok && box.Shared != "" {
1552 rcpts["%"+box.Shared] = true
1553 } else {
1554 rcpts[h.XID] = true
1555 }
1556 }
1557 for _, f := range getbacktracks(honk.XID) {
1558 if f[0] == '%' {
1559 rcpts[f] = true
1560 } else {
1561 box, ok := boxofboxes.Get(f)
1562 if ok && box.Shared != "" {
1563 rcpts["%"+box.Shared] = true
1564 } else {
1565 rcpts[f] = true
1566 }
1567 }
1568 }
1569 }
1570 for a := range rcpts {
1571 go deliverate(user.ID, a, msg)
1572 }
1573 if honk.Public && len(honk.Onts) > 0 {
1574 collectiveaction(honk)
1575 }
1576}
1577
1578func collectiveaction(honk *Honk) {
1579 user := getserveruser()
1580 for _, ont := range honk.Onts {
1581 dubs := getnameddubs(readyLuserOne, ont)
1582 if len(dubs) == 0 {
1583 continue
1584 }
1585 j := junk.New()
1586 j["@context"] = itiswhatitis
1587 j["type"] = "Add"
1588 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1589 j["actor"] = user.URL
1590 j["object"] = honk.XID
1591 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1592 rcpts := make(map[string]bool)
1593 for _, dub := range dubs {
1594 box, ok := boxofboxes.Get(dub.XID)
1595 if ok && box.Shared != "" {
1596 rcpts["%"+box.Shared] = true
1597 } else {
1598 rcpts[dub.XID] = true
1599 }
1600 }
1601 msg := j.ToBytes()
1602 for a := range rcpts {
1603 go deliverate(user.ID, a, msg)
1604 }
1605 }
1606}
1607
1608func junkuser(user *WhatAbout) junk.Junk {
1609 j := junk.New()
1610 j["@context"] = itiswhatitis
1611 j["id"] = user.URL
1612 j["inbox"] = user.URL + "/inbox"
1613 j["outbox"] = user.URL + "/outbox"
1614 j["name"] = user.Display
1615 j["preferredUsername"] = user.Name
1616 j["summary"] = user.HTAbout
1617 var tags []junk.Junk
1618 for _, o := range user.Onts {
1619 t := junk.New()
1620 t["type"] = "Hashtag"
1621 o = strings.ToLower(o)
1622 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1623 t["name"] = o
1624 tags = append(tags, t)
1625 }
1626 if len(tags) > 0 {
1627 j["tag"] = tags
1628 }
1629
1630 if user.ID > 0 {
1631 j["type"] = "Person"
1632 j["url"] = user.URL
1633 j["followers"] = user.URL + "/followers"
1634 j["following"] = user.URL + "/following"
1635 a := junk.New()
1636 a["type"] = "Image"
1637 a["mediaType"] = "image/png"
1638 a["url"] = avatarURL(user)
1639 j["icon"] = a
1640 if ban := user.Options.Banner; ban != "" {
1641 a := junk.New()
1642 a["type"] = "Image"
1643 a["mediaType"] = "image/jpg"
1644 a["url"] = ban
1645 j["image"] = a
1646 }
1647 } else {
1648 j["type"] = "Service"
1649 }
1650 k := junk.New()
1651 k["id"] = user.URL + "#key"
1652 k["owner"] = user.URL
1653 k["publicKeyPem"] = user.Key
1654 j["publicKey"] = k
1655
1656 return j
1657}
1658
1659var oldjonkers = gencache.New(gencache.Options[string, []byte]{Fill: func(name string) ([]byte, bool) {
1660 user, err := butwhatabout(name)
1661 if err != nil {
1662 return nil, false
1663 }
1664 j := junkuser(user)
1665 return j.ToBytes(), true
1666}, Duration: 1 * time.Minute})
1667
1668func asjonker(name string) ([]byte, bool) {
1669 j, ok := oldjonkers.Get(name)
1670 return j, ok
1671}
1672
1673var handfull = gencache.New(gencache.Options[string, string]{Fill: func(name string) (string, bool) {
1674 m := strings.Split(name, "@")
1675 if len(m) != 2 {
1676 dlog.Printf("bad fish name: %s", name)
1677 return "", true
1678 }
1679 var href string
1680 row := stmtGetXonker.QueryRow(name, "fishname")
1681 err := row.Scan(&href)
1682 if err == nil {
1683 return href, true
1684 }
1685 dlog.Printf("fishing for %s", name)
1686 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1687 if err != nil {
1688 ilog.Printf("failed to go fish %s: %s", name, err)
1689 return "", true
1690 }
1691 links, _ := j.GetArray("links")
1692 for _, li := range links {
1693 l, ok := li.(junk.Junk)
1694 if !ok {
1695 continue
1696 }
1697 href, _ := l.GetString("href")
1698 rel, _ := l.GetString("rel")
1699 t, _ := l.GetString("type")
1700 if rel == "self" && friendorfoe(t) {
1701 when := time.Now().UTC().Format(dbtimeformat)
1702 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1703 if err != nil {
1704 elog.Printf("error saving fishname: %s", err)
1705 }
1706 return href, true
1707 }
1708 }
1709 return href, true
1710}, Duration: 1 * time.Minute})
1711
1712func gofish(name string) string {
1713 if name[0] == '@' {
1714 name = name[1:]
1715 }
1716 href, _ := handfull.Get(name)
1717 return href
1718}
1719
1720func investigate(name string) (*SomeThing, error) {
1721 if name == "" {
1722 return nil, fmt.Errorf("no name")
1723 }
1724 if name[0] == '@' {
1725 name = gofish(name)
1726 }
1727 if name == "" {
1728 return nil, fmt.Errorf("no name")
1729 }
1730 obj, err := GetJunkFast(readyLuserOne, name)
1731 if err != nil {
1732 return nil, err
1733 }
1734 allinjest(originate(name), obj)
1735 return somethingabout(obj)
1736}
1737
1738func somethingabout(obj junk.Junk) (*SomeThing, error) {
1739 info := new(SomeThing)
1740 t, _ := obj.GetString("type")
1741 isowned := false
1742 switch t {
1743 case "Person":
1744 fallthrough
1745 case "Group":
1746 fallthrough
1747 case "Organization":
1748 fallthrough
1749 case "Application":
1750 fallthrough
1751 case "Service":
1752 info.What = SomeActor
1753 case "OrderedCollection":
1754 isowned = true
1755 fallthrough
1756 case "Collection":
1757 info.What = SomeCollection
1758 default:
1759 return nil, fmt.Errorf("unknown object type")
1760 }
1761 info.XID, _ = obj.GetString("id")
1762 info.Name, _ = obj.GetString("preferredUsername")
1763 if info.Name == "" {
1764 info.Name, _ = obj.GetString("name")
1765 }
1766 if isowned {
1767 info.Owner, _ = obj.GetString("attributedTo")
1768 }
1769 if info.Owner == "" {
1770 info.Owner = info.XID
1771 }
1772 return info, nil
1773}
1774
1775func allinjest(origin string, obj junk.Junk) {
1776 keyobj, ok := obj.GetMap("publicKey")
1777 if ok {
1778 ingestpubkey(origin, keyobj)
1779 }
1780 ingestboxes(origin, obj)
1781 ingesthandle(origin, obj)
1782}
1783
1784func ingestpubkey(origin string, obj junk.Junk) {
1785 keyobj, ok := obj.GetMap("publicKey")
1786 if ok {
1787 obj = keyobj
1788 }
1789 keyname, ok := obj.GetString("id")
1790 var data string
1791 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1792 err := row.Scan(&data)
1793 if err == nil {
1794 return
1795 }
1796 if !ok || origin != originate(keyname) {
1797 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1798 return
1799 }
1800 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1801 owner, ok := obj.GetString("owner")
1802 if !ok {
1803 ilog.Printf("error finding %s pubkey owner", keyname)
1804 return
1805 }
1806 data, ok = obj.GetString("publicKeyPem")
1807 if !ok {
1808 ilog.Printf("error finding %s pubkey", keyname)
1809 return
1810 }
1811 if originate(owner) != origin {
1812 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1813 return
1814 }
1815 _, _, err = httpsig.DecodeKey(data)
1816 if err != nil {
1817 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1818 return
1819 }
1820 when := time.Now().UTC().Format(dbtimeformat)
1821 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1822 if err != nil {
1823 elog.Printf("error saving key: %s", err)
1824 }
1825}
1826
1827func ingestboxes(origin string, obj junk.Junk) {
1828 ident, _ := obj.GetString("id")
1829 if ident == "" {
1830 return
1831 }
1832 if originate(ident) != origin {
1833 return
1834 }
1835 var info string
1836 row := stmtGetXonker.QueryRow(ident, "boxes")
1837 err := row.Scan(&info)
1838 if err == nil {
1839 return
1840 }
1841 dlog.Printf("ingesting boxes: %s", ident)
1842 inbox, _ := obj.GetString("inbox")
1843 outbox, _ := obj.GetString("outbox")
1844 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1845 if inbox != "" {
1846 when := time.Now().UTC().Format(dbtimeformat)
1847 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1848 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1849 if err != nil {
1850 elog.Printf("error saving boxes: %s", err)
1851 }
1852 }
1853}
1854
1855func ingesthandle(origin string, obj junk.Junk) {
1856 xid, _ := obj.GetString("id")
1857 if xid == "" {
1858 return
1859 }
1860 if originate(xid) != origin {
1861 return
1862 }
1863 var handle string
1864 row := stmtGetXonker.QueryRow(xid, "handle")
1865 err := row.Scan(&handle)
1866 if err == nil {
1867 return
1868 }
1869 handle, _ = obj.GetString("preferredUsername")
1870 if handle != "" {
1871 when := time.Now().UTC().Format(dbtimeformat)
1872 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1873 if err != nil {
1874 elog.Printf("error saving handle: %s", err)
1875 }
1876 }
1877}
1878
1879func updateMe(username string) {
1880 user, _ := somenamedusers.Get(username)
1881 dt := time.Now().UTC().Format(time.RFC3339)
1882 j := junk.New()
1883 j["@context"] = itiswhatitis
1884 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1885 j["actor"] = user.URL
1886 j["published"] = dt
1887 j["to"] = thewholeworld
1888 j["type"] = "Update"
1889 j["object"] = junkuser(user)
1890
1891 msg := j.ToBytes()
1892
1893 rcpts := make(map[string]bool)
1894 for _, f := range getdubs(user.ID) {
1895 if f.XID == user.URL {
1896 continue
1897 }
1898 box, ok := boxofboxes.Get(f.XID)
1899 if ok && box.Shared != "" {
1900 rcpts["%"+box.Shared] = true
1901 } else {
1902 rcpts[f.XID] = true
1903 }
1904 }
1905 for a := range rcpts {
1906 go deliverate(user.ID, a, msg)
1907 }
1908}
1909
1910func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1911 folxid, _ := j.GetString("id")
1912
1913 ilog.Printf("updating honker follow: %s %s", who, folxid)
1914
1915 var x string
1916 db := opendatabase()
1917 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1918 err := row.Scan(&x)
1919 if err != sql.ErrNoRows {
1920 ilog.Printf("duplicate follow request: %s", who)
1921 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1922 if err != nil {
1923 elog.Printf("error updating honker: %s", err)
1924 }
1925 } else {
1926 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1927 }
1928 go rubadubdub(user, j)
1929}
1930
1931func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1932 var folxid string
1933 if who == "" {
1934 folxid, _ = j.GetString("object")
1935
1936 db := opendatabase()
1937 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1938 err := row.Scan(&who, &name)
1939 if err != nil {
1940 if err != sql.ErrNoRows {
1941 elog.Printf("error scanning honker: %s", err)
1942 }
1943 return
1944 }
1945 }
1946
1947 ilog.Printf("updating honker undo: %s %s", who, folxid)
1948 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1949 if err != nil {
1950 elog.Printf("error updating honker: %s", err)
1951 return
1952 }
1953}
1954
1955func followyou(user *WhatAbout, honkerid int64, sync bool) {
1956 var url, owner string
1957 db := opendatabase()
1958 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1959 honkerid, user.ID)
1960 err := row.Scan(&url, &owner)
1961 if err != nil {
1962 elog.Printf("can't get honker xid: %s", err)
1963 return
1964 }
1965 folxid := xfiltrate()
1966 ilog.Printf("subscribing to %s", url)
1967 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1968 if err != nil {
1969 elog.Printf("error updating honker: %s", err)
1970 return
1971 }
1972 if sync {
1973 subsub(user, url, owner, folxid)
1974 } else {
1975 go subsub(user, url, owner, folxid)
1976 }
1977
1978}
1979func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1980 db := opendatabase()
1981 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1982 honkerid, user.ID)
1983 var url, owner, folxid, flavor string
1984 err := row.Scan(&url, &owner, &folxid, &flavor)
1985 if err != nil {
1986 elog.Printf("can't get honker xid: %s", err)
1987 return
1988 }
1989 if flavor == "peep" {
1990 return
1991 }
1992 ilog.Printf("unsubscribing from %s", url)
1993 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1994 if err != nil {
1995 elog.Printf("error updating honker: %s", err)
1996 return
1997 }
1998 if sync {
1999 itakeitallback(user, url, owner, folxid)
2000 } else {
2001 go itakeitallback(user, url, owner, folxid)
2002 }
2003}
2004
2005func followyou2(user *WhatAbout, j junk.Junk) {
2006 who, _ := j.GetString("actor")
2007
2008 ilog.Printf("updating honker accept: %s", who)
2009 db := opendatabase()
2010 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2011 user.ID, who)
2012 var name, folxid string
2013 err := row.Scan(&name, &folxid)
2014 if err != nil {
2015 elog.Printf("can't get honker name: %s", err)
2016 return
2017 }
2018 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2019 if err != nil {
2020 elog.Printf("error updating honker: %s", err)
2021 return
2022 }
2023}
2024
2025func nofollowyou2(user *WhatAbout, j junk.Junk) {
2026 who, _ := j.GetString("actor")
2027
2028 ilog.Printf("updating honker reject: %s", who)
2029 db := opendatabase()
2030 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2031 user.ID, who)
2032 var name, folxid string
2033 err := row.Scan(&name, &folxid)
2034 if err != nil {
2035 elog.Printf("can't get honker name: %s", err)
2036 return
2037 }
2038 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2039 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2040 if err != nil {
2041 elog.Printf("error updating honker: %s", err)
2042 return
2043 }
2044}