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