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