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 what, _ = obj.GetString("type")
642 }
643 if what == "Page" {
644 waspage = true
645 }
646 xid, _ = obj.GetString("id")
647 } else {
648 xid, _ = item.GetString("object")
649 }
650 if !needbonkid(user, xid) {
651 return nil
652 }
653 origin = originate(xid)
654 if ok && originate(id) == origin {
655 dlog.Printf("using object in announce for %s", xid)
656 } else {
657 dlog.Printf("getting bonk: %s", xid)
658 obj, err = GetJunkHardMode(user.ID, xid)
659 if err != nil {
660 ilog.Printf("error getting bonk: %s: %s", xid, err)
661 }
662 }
663 what = "bonk"
664 case "Update":
665 isUpdate = true
666 fallthrough
667 case "Create":
668 obj, ok = item.GetMap("object")
669 if !ok {
670 xid, _ = item.GetString("object")
671 dlog.Printf("getting created honk: %s", xid)
672 if originate(xid) != origin {
673 ilog.Printf("out of bounds %s not from %s", xid, origin)
674 return nil
675 }
676 obj, err = GetJunkHardMode(user.ID, xid)
677 if err != nil {
678 ilog.Printf("error getting creation: %s", err)
679 }
680 }
681 if obj == nil {
682 ilog.Printf("no object for creation %s", id)
683 return nil
684 }
685 return xonkxonkfn(obj, origin, isUpdate)
686 case "Read":
687 xid, ok = item.GetString("object")
688 if ok {
689 if !needxonkid(user, xid) {
690 dlog.Printf("don't need read obj: %s", xid)
691 return nil
692 }
693 obj, err = GetJunkHardMode(user.ID, xid)
694 if err != nil {
695 ilog.Printf("error getting read: %s", err)
696 return nil
697 }
698 return xonkxonkfn(obj, originate(xid), false)
699 }
700 return nil
701 case "Add":
702 xid, ok = item.GetString("object")
703 if ok {
704 // check target...
705 if !needxonkid(user, xid) {
706 dlog.Printf("don't need added obj: %s", xid)
707 return nil
708 }
709 obj, err = GetJunkHardMode(user.ID, xid)
710 if err != nil {
711 ilog.Printf("error getting add: %s", err)
712 return nil
713 }
714 return xonkxonkfn(obj, originate(xid), false)
715 }
716 return nil
717 case "Move":
718 obj = item
719 what = "move"
720 case "Page":
721 waspage = true
722 fallthrough
723 case "Audio":
724 fallthrough
725 case "Image":
726 if what == "Image" {
727 preferorig = true
728 }
729 fallthrough
730 case "Video":
731 fallthrough
732 case "Question":
733 fallthrough
734 case "Note":
735 fallthrough
736 case "Article":
737 obj = item
738 what = "honk"
739 case "Event":
740 obj = item
741 what = "event"
742 case "ChatMessage":
743 obj = item
744 what = "chonk"
745 default:
746 ilog.Printf("unknown activity: %s", what)
747 dumpactivity(item)
748 return nil
749 }
750
751 if obj != nil {
752 xid, _ = obj.GetString("id")
753 }
754
755 if xid == "" {
756 ilog.Printf("don't know what xid is")
757 item.Write(ilog.Writer())
758 return nil
759 }
760 if originate(xid) != origin {
761 if !develMode && origin != "" {
762 ilog.Printf("original sin: %s not from %s", xid, origin)
763 item.Write(ilog.Writer())
764 return nil
765 }
766 }
767
768 var xonk Honk
769 // early init
770 xonk.XID = xid
771 xonk.UserID = user.ID
772 xonk.Honker, _ = item.GetString("actor")
773 if xonk.Honker == "" {
774 xonk.Honker, _ = item.GetString("attributedTo")
775 }
776 if obj != nil {
777 if xonk.Honker == "" {
778 xonk.Honker = extractattrto(obj)
779 }
780 xonk.Oonker = extractattrto(obj)
781 if xonk.Oonker == xonk.Honker {
782 xonk.Oonker = ""
783 }
784 xonk.Audience = newphone(nil, obj)
785 }
786 xonk.Audience = append(xonk.Audience, xonk.Honker)
787 xonk.Audience = oneofakind(xonk.Audience)
788 xonk.Public = loudandproud(xonk.Audience)
789
790 var mentions []Mention
791 if obj != nil {
792 ot, _ := obj.GetString("type")
793 url, _ = obj.GetString("url")
794 if dt2, ok := obj.GetString("published"); ok {
795 dt = dt2
796 }
797 content, _ := obj.GetString("content")
798 if !strings.HasPrefix(content, "<p>") {
799 content = "<p>" + content
800 }
801 precis, _ := obj.GetString("summary")
802 if name, ok := obj.GetString("name"); ok {
803 if precis != "" {
804 content = precis + "<p>" + content
805 }
806 precis = html.EscapeString(name)
807 }
808 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
809 precis = "unspecified horror"
810 }
811 if waspage {
812 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
813 url = xid
814 }
815 if user.Options.InlineQuotes {
816 content = qutify(user, content)
817 }
818 rid, ok = obj.GetString("inReplyTo")
819 if !ok {
820 if robj, ok := obj.GetMap("inReplyTo"); ok {
821 rid, _ = robj.GetString("id")
822 }
823 }
824 convoy, _ = obj.GetString("context")
825 if convoy == "" {
826 convoy, _ = obj.GetString("conversation")
827 }
828 if ot == "Question" {
829 if what == "honk" {
830 what = "qonk"
831 }
832 content += "<ul>"
833 ans, _ := obj.GetArray("oneOf")
834 for _, ai := range ans {
835 a, ok := ai.(junk.Junk)
836 if !ok {
837 continue
838 }
839 as, _ := a.GetString("name")
840 content += "<li>" + as
841 }
842 ans, _ = obj.GetArray("anyOf")
843 for _, ai := range ans {
844 a, ok := ai.(junk.Junk)
845 if !ok {
846 continue
847 }
848 as, _ := a.GetString("name")
849 content += "<li>" + as
850 }
851 content += "</ul>"
852 }
853 if ot == "Move" {
854 targ, _ := obj.GetString("target")
855 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
856 }
857 if len(content) > 90001 {
858 ilog.Printf("content too long. truncating")
859 content = content[:90001]
860 }
861
862 xonk.Noise = content
863 xonk.Precis = precis
864 if rejectxonk(&xonk) {
865 dlog.Printf("fast reject: %s", xid)
866 return nil
867 }
868
869 numatts := 0
870 procatt := func(att junk.Junk) {
871 at, _ := att.GetString("type")
872 mt, _ := att.GetString("mediaType")
873 if mt == "" {
874 mt = "image"
875 }
876 u, ok := att.GetString("url")
877 if !ok {
878 u, ok = att.GetString("href")
879 }
880 if !ok {
881 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
882 u, ok = ua[0].(string)
883 if !ok {
884 if uu, ok := ua[0].(junk.Junk); ok {
885 u, _ = uu.GetString("href")
886 if mt == "" {
887 mt, _ = uu.GetString("mediaType")
888 }
889 }
890 }
891 } else if uu, ok := att.GetMap("url"); ok {
892 u, _ = uu.GetString("href")
893 if mt == "" {
894 mt, _ = uu.GetString("mediaType")
895 }
896 }
897 }
898 name, _ := att.GetString("name")
899 desc, _ := att.GetString("summary")
900 desc = html.UnescapeString(desc)
901 if desc == "" {
902 desc = name
903 }
904 localize := false
905 if at == "Document" || at == "Image" {
906 mt = strings.ToLower(mt)
907 dlog.Printf("attachment: %s %s", mt, u)
908 if mt == "text/plain" || mt == "application/pdf" ||
909 strings.HasPrefix(mt, "image") {
910 if numatts > 4 {
911 ilog.Printf("excessive attachment: %s", at)
912 } else {
913 localize = true
914 }
915 }
916 } else if at == "Link" {
917 if waspage {
918 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
919 return
920 }
921 if name == "" {
922 name = u
923 }
924 } else {
925 ilog.Printf("unknown attachment: %s", at)
926 }
927 if skipMedia(&xonk) {
928 localize = false
929 }
930 if preferorig && !localize {
931 return
932 }
933 donk := savedonk(u, name, desc, mt, localize)
934 if donk != nil {
935 xonk.Donks = append(xonk.Donks, donk)
936 }
937 numatts++
938 }
939 if img, ok := obj.GetMap("image"); ok {
940 procatt(img)
941 }
942 if preferorig {
943 atts, _ := obj.GetArray("url")
944 for _, atti := range atts {
945 att, ok := atti.(junk.Junk)
946 if !ok {
947 ilog.Printf("attachment that wasn't map?")
948 continue
949 }
950 procatt(att)
951 }
952 if numatts == 0 {
953 preferorig = false
954 }
955 }
956 if !preferorig {
957 atts, _ := obj.GetArray("attachment")
958 for _, atti := range atts {
959 att, ok := atti.(junk.Junk)
960 if !ok {
961 ilog.Printf("attachment that wasn't map?")
962 continue
963 }
964 procatt(att)
965 }
966 if att, ok := obj.GetMap("attachment"); ok {
967 procatt(att)
968 }
969 }
970 tags, _ := obj.GetArray("tag")
971 for _, tagi := range tags {
972 tag, ok := tagi.(junk.Junk)
973 if !ok {
974 continue
975 }
976 tt, _ := tag.GetString("type")
977 name, _ := tag.GetString("name")
978 desc, _ := tag.GetString("summary")
979 desc = html.UnescapeString(desc)
980 if desc == "" {
981 desc = name
982 }
983 if tt == "Emoji" {
984 icon, _ := tag.GetMap("icon")
985 mt, _ := icon.GetString("mediaType")
986 if mt == "" {
987 mt = "image/png"
988 }
989 u, _ := icon.GetString("url")
990 donk := savedonk(u, name, desc, mt, true)
991 if donk != nil {
992 xonk.Donks = append(xonk.Donks, donk)
993 }
994 }
995 if tt == "Hashtag" {
996 if name == "" || name == "#" {
997 // skip it
998 } else {
999 if name[0] != '#' {
1000 name = "#" + name
1001 }
1002 xonk.Onts = append(xonk.Onts, name)
1003 }
1004 }
1005 if tt == "Place" {
1006 p := new(Place)
1007 p.Name = name
1008 p.Latitude, _ = tag.GetNumber("latitude")
1009 p.Longitude, _ = tag.GetNumber("longitude")
1010 p.Url, _ = tag.GetString("url")
1011 xonk.Place = p
1012 }
1013 if tt == "Mention" {
1014 var m Mention
1015 m.Who, _ = tag.GetString("name")
1016 m.Where, _ = tag.GetString("href")
1017 mentions = append(mentions, m)
1018 }
1019 }
1020 if starttime, ok := obj.GetString("startTime"); ok {
1021 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1022 t := new(Time)
1023 t.StartTime = start
1024 endtime, _ := obj.GetString("endTime")
1025 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1026 dura, _ := obj.GetString("duration")
1027 if strings.HasPrefix(dura, "PT") {
1028 dura = strings.ToLower(dura[2:])
1029 d, _ := time.ParseDuration(dura)
1030 t.Duration = Duration(d)
1031 }
1032 xonk.Time = t
1033 }
1034 }
1035 if loca, ok := obj.GetMap("location"); ok {
1036 if tt, _ := loca.GetString("type"); tt == "Place" {
1037 p := new(Place)
1038 p.Name, _ = loca.GetString("name")
1039 p.Latitude, _ = loca.GetNumber("latitude")
1040 p.Longitude, _ = loca.GetNumber("longitude")
1041 p.Url, _ = loca.GetString("url")
1042 xonk.Place = p
1043 }
1044 }
1045
1046 xonk.Onts = oneofakind(xonk.Onts)
1047 replyobj, ok := obj.GetMap("replies")
1048 if ok {
1049 items, ok := replyobj.GetArray("items")
1050 if !ok {
1051 first, ok := replyobj.GetMap("first")
1052 if ok {
1053 items, _ = first.GetArray("items")
1054 }
1055 }
1056 for _, repl := range items {
1057 s, ok := repl.(string)
1058 if ok {
1059 replies = append(replies, s)
1060 }
1061 }
1062 }
1063
1064 }
1065
1066 if currenttid == "" {
1067 currenttid = convoy
1068 }
1069
1070 // init xonk
1071 xonk.What = what
1072 xonk.RID = rid
1073 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1074 xonk.URL = url
1075 xonk.Format = "html"
1076 xonk.Convoy = convoy
1077 xonk.Mentions = mentions
1078 for _, m := range mentions {
1079 if m.Where == user.URL {
1080 xonk.Whofore = 1
1081 }
1082 }
1083 imaginate(&xonk)
1084
1085 if what == "chonk" {
1086 ch := Chonk{
1087 UserID: xonk.UserID,
1088 XID: xid,
1089 Who: xonk.Honker,
1090 Target: xonk.Honker,
1091 Date: xonk.Date,
1092 Noise: xonk.Noise,
1093 Format: xonk.Format,
1094 Donks: xonk.Donks,
1095 }
1096 savechonk(&ch)
1097 return nil
1098 }
1099
1100 if isUpdate {
1101 dlog.Printf("something has changed! %s", xonk.XID)
1102 prev := getxonk(user.ID, xonk.XID)
1103 if prev == nil {
1104 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1105 isUpdate = false
1106 } else {
1107 xonk.ID = prev.ID
1108 updatehonk(&xonk)
1109 }
1110 }
1111 if !isUpdate && needxonk(user, &xonk) {
1112 if rid != "" && xonk.Public {
1113 if needxonkid(user, rid) {
1114 goingup++
1115 saveonemore(rid)
1116 goingup--
1117 }
1118 if convoy == "" {
1119 xx := getxonk(user.ID, rid)
1120 if xx != nil {
1121 convoy = xx.Convoy
1122 }
1123 }
1124 }
1125 if convoy == "" {
1126 convoy = currenttid
1127 }
1128 if convoy == "" {
1129 convoy = "data:,missing-" + xfiltrate()
1130 currenttid = convoy
1131 }
1132 xonk.Convoy = convoy
1133 savexonk(&xonk)
1134 }
1135 if goingup == 0 {
1136 for _, replid := range replies {
1137 if needxonkid(user, replid) {
1138 dlog.Printf("missing a reply: %s", replid)
1139 saveonemore(replid)
1140 }
1141 }
1142 }
1143 return &xonk
1144 }
1145
1146 return xonkxonkfn(item, origin, false)
1147}
1148
1149func dumpactivity(item junk.Junk) {
1150 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1151 if err != nil {
1152 elog.Printf("error opening inbox! %s", err)
1153 return
1154 }
1155 defer fd.Close()
1156 item.Write(fd)
1157 io.WriteString(fd, "\n")
1158}
1159
1160func rubadubdub(user *WhatAbout, req junk.Junk) {
1161 actor, _ := req.GetString("actor")
1162 j := junk.New()
1163 j["@context"] = itiswhatitis
1164 j["id"] = user.URL + "/dub/" + xfiltrate()
1165 j["type"] = "Accept"
1166 j["actor"] = user.URL
1167 j["to"] = actor
1168 j["published"] = time.Now().UTC().Format(time.RFC3339)
1169 j["object"] = req
1170
1171 deliverate(user.ID, actor, j.ToBytes())
1172}
1173
1174func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1175 j := junk.New()
1176 j["@context"] = itiswhatitis
1177 j["id"] = user.URL + "/unsub/" + folxid
1178 j["type"] = "Undo"
1179 j["actor"] = user.URL
1180 j["to"] = owner
1181 f := junk.New()
1182 f["id"] = user.URL + "/sub/" + folxid
1183 f["type"] = "Follow"
1184 f["actor"] = user.URL
1185 f["to"] = owner
1186 f["object"] = xid
1187 j["object"] = f
1188 j["published"] = time.Now().UTC().Format(time.RFC3339)
1189
1190 deliverate(user.ID, owner, j.ToBytes())
1191}
1192
1193func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1194 if xid == "" {
1195 ilog.Printf("can't subscribe to empty")
1196 return
1197 }
1198 j := junk.New()
1199 j["@context"] = itiswhatitis
1200 j["id"] = user.URL + "/sub/" + folxid
1201 j["type"] = "Follow"
1202 j["actor"] = user.URL
1203 j["to"] = owner
1204 j["object"] = xid
1205 j["published"] = time.Now().UTC().Format(time.RFC3339)
1206
1207 deliverate(user.ID, owner, j.ToBytes())
1208}
1209
1210func activatedonks(donks []*Donk) []junk.Junk {
1211 var atts []junk.Junk
1212 for _, d := range donks {
1213 if re_emus.MatchString(d.Name) {
1214 continue
1215 }
1216 jd := junk.New()
1217 jd["mediaType"] = d.Media
1218 jd["name"] = d.Name
1219 jd["summary"] = html.EscapeString(d.Desc)
1220 jd["type"] = "Document"
1221 jd["url"] = d.URL
1222 atts = append(atts, jd)
1223 }
1224 return atts
1225}
1226
1227// returns activity, object
1228func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1229 dt := h.Date.Format(time.RFC3339)
1230 var jo junk.Junk
1231 j := junk.New()
1232 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1233 j["actor"] = user.URL
1234 j["published"] = dt
1235 j["to"] = h.Audience[0]
1236 if len(h.Audience) > 1 {
1237 j["cc"] = h.Audience[1:]
1238 }
1239
1240 switch h.What {
1241 case "update":
1242 fallthrough
1243 case "event":
1244 fallthrough
1245 case "honk":
1246 j["type"] = "Create"
1247 jo = junk.New()
1248 jo["id"] = h.XID
1249 jo["type"] = "Note"
1250 if h.What == "event" {
1251 jo["type"] = "Event"
1252 }
1253 if h.What == "update" {
1254 j["type"] = "Update"
1255 jo["updated"] = dt
1256 }
1257 jo["published"] = dt
1258 jo["url"] = h.XID
1259 jo["attributedTo"] = user.URL
1260 if h.RID != "" {
1261 jo["inReplyTo"] = h.RID
1262 }
1263 if h.Convoy != "" {
1264 jo["context"] = h.Convoy
1265 jo["conversation"] = h.Convoy
1266 }
1267 jo["to"] = h.Audience[0]
1268 if len(h.Audience) > 1 {
1269 jo["cc"] = h.Audience[1:]
1270 }
1271 if !h.Public {
1272 jo["directMessage"] = true
1273 }
1274 translate(h)
1275 redoimages(h)
1276 if h.Precis != "" {
1277 jo["sensitive"] = true
1278 }
1279
1280 var replies []string
1281 for _, reply := range h.Replies {
1282 replies = append(replies, reply.XID)
1283 }
1284 if len(replies) > 0 {
1285 jr := junk.New()
1286 jr["type"] = "Collection"
1287 jr["totalItems"] = len(replies)
1288 jr["items"] = replies
1289 jo["replies"] = jr
1290 }
1291
1292 var tags []junk.Junk
1293 for _, m := range h.Mentions {
1294 t := junk.New()
1295 t["type"] = "Mention"
1296 t["name"] = m.Who
1297 t["href"] = m.Where
1298 tags = append(tags, t)
1299 }
1300 for _, o := range h.Onts {
1301 t := junk.New()
1302 t["type"] = "Hashtag"
1303 o = strings.ToLower(o)
1304 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1305 t["name"] = o
1306 tags = append(tags, t)
1307 }
1308 for _, e := range herdofemus(h.Noise) {
1309 t := junk.New()
1310 t["id"] = e.ID
1311 t["type"] = "Emoji"
1312 t["name"] = e.Name
1313 i := junk.New()
1314 i["type"] = "Image"
1315 i["mediaType"] = e.Type
1316 i["url"] = e.ID
1317 t["icon"] = i
1318 tags = append(tags, t)
1319 }
1320 for _, e := range fixupflags(h) {
1321 t := junk.New()
1322 t["id"] = e.ID
1323 t["type"] = "Emoji"
1324 t["name"] = e.Name
1325 i := junk.New()
1326 i["type"] = "Image"
1327 i["mediaType"] = "image/png"
1328 i["url"] = e.ID
1329 t["icon"] = i
1330 tags = append(tags, t)
1331 }
1332 if len(tags) > 0 {
1333 jo["tag"] = tags
1334 }
1335 if p := h.Place; p != nil {
1336 t := junk.New()
1337 t["type"] = "Place"
1338 if p.Name != "" {
1339 t["name"] = p.Name
1340 }
1341 if p.Latitude != 0 {
1342 t["latitude"] = p.Latitude
1343 }
1344 if p.Longitude != 0 {
1345 t["longitude"] = p.Longitude
1346 }
1347 if p.Url != "" {
1348 t["url"] = p.Url
1349 }
1350 jo["location"] = t
1351 }
1352 if t := h.Time; t != nil {
1353 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1354 if t.Duration != 0 {
1355 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1356 }
1357 }
1358 atts := activatedonks(h.Donks)
1359 if len(atts) > 0 {
1360 jo["attachment"] = atts
1361 }
1362 jo["summary"] = h.Precis
1363 jo["content"] = h.Noise
1364 j["object"] = jo
1365 case "bonk":
1366 j["type"] = "Announce"
1367 if h.Convoy != "" {
1368 j["context"] = h.Convoy
1369 }
1370 j["object"] = h.XID
1371 case "unbonk":
1372 b := junk.New()
1373 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1374 b["type"] = "Announce"
1375 b["actor"] = user.URL
1376 if h.Convoy != "" {
1377 b["context"] = h.Convoy
1378 }
1379 b["object"] = h.XID
1380 j["type"] = "Undo"
1381 j["object"] = b
1382 case "zonk":
1383 j["type"] = "Delete"
1384 j["object"] = h.XID
1385 case "ack":
1386 j["type"] = "Read"
1387 j["object"] = h.XID
1388 if h.Convoy != "" {
1389 j["context"] = h.Convoy
1390 }
1391 case "react":
1392 j["type"] = "EmojiReact"
1393 j["object"] = h.XID
1394 if h.Convoy != "" {
1395 j["context"] = h.Convoy
1396 }
1397 j["content"] = h.Noise
1398 case "deack":
1399 b := junk.New()
1400 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1401 b["type"] = "Read"
1402 b["actor"] = user.URL
1403 b["object"] = h.XID
1404 if h.Convoy != "" {
1405 b["context"] = h.Convoy
1406 }
1407 j["type"] = "Undo"
1408 j["object"] = b
1409 }
1410
1411 return j, jo
1412}
1413
1414var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1415 row := stmtAnyXonk.QueryRow(xid)
1416 honk := scanhonk(row)
1417 if honk == nil || !honk.Public {
1418 return nil, true
1419 }
1420 user, _ := butwhatabout(honk.Username)
1421 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1422 reversehonks(rawhonks)
1423 for _, h := range rawhonks {
1424 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1425 honk.Replies = append(honk.Replies, h)
1426 }
1427 }
1428 donksforhonks([]*Honk{honk})
1429 _, j := jonkjonk(user, honk)
1430 if j == nil {
1431 elog.Fatalf("what just happened? %v", honk)
1432 }
1433 j["@context"] = itiswhatitis
1434
1435 return j.ToBytes(), true
1436}, Limit: 128})
1437
1438func gimmejonk(xid string) ([]byte, bool) {
1439 var j []byte
1440 ok := oldjonks.Get(xid, &j)
1441 return j, ok
1442}
1443
1444func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1445 rcpts := make(map[string]bool)
1446 for _, a := range addresses {
1447 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1448 continue
1449 }
1450 if a[0] == '%' {
1451 rcpts[a] = true
1452 continue
1453 }
1454 var box *Box
1455 ok := boxofboxes.Get(a, &box)
1456 if ok && useshared && box.Shared != "" {
1457 rcpts["%"+box.Shared] = true
1458 } else {
1459 rcpts[a] = true
1460 }
1461 }
1462 return rcpts
1463}
1464
1465func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1466 dt := ch.Date.Format(time.RFC3339)
1467 aud := []string{ch.Target}
1468
1469 jo := junk.New()
1470 jo["id"] = ch.XID
1471 jo["type"] = "ChatMessage"
1472 jo["published"] = dt
1473 jo["attributedTo"] = user.URL
1474 jo["to"] = aud
1475 jo["content"] = ch.HTML
1476 atts := activatedonks(ch.Donks)
1477 if len(atts) > 0 {
1478 jo["attachment"] = atts
1479 }
1480 var tags []junk.Junk
1481 for _, e := range herdofemus(ch.Noise) {
1482 t := junk.New()
1483 t["id"] = e.ID
1484 t["type"] = "Emoji"
1485 t["name"] = e.Name
1486 i := junk.New()
1487 i["type"] = "Image"
1488 i["mediaType"] = e.Type
1489 i["url"] = e.ID
1490 t["icon"] = i
1491 tags = append(tags, t)
1492 }
1493 if len(tags) > 0 {
1494 jo["tag"] = tags
1495 }
1496
1497 j := junk.New()
1498 j["@context"] = itiswhatitis
1499 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1500 j["type"] = "Create"
1501 j["actor"] = user.URL
1502 j["published"] = dt
1503 j["to"] = aud
1504 j["object"] = jo
1505
1506 return j.ToBytes()
1507}
1508
1509func sendchonk(user *WhatAbout, ch *Chonk) {
1510 msg := chonkifymsg(user, ch)
1511
1512 rcpts := make(map[string]bool)
1513 rcpts[ch.Target] = true
1514 for a := range rcpts {
1515 go deliverate(user.ID, a, msg)
1516 }
1517}
1518
1519func honkworldwide(user *WhatAbout, honk *Honk) {
1520 jonk, _ := jonkjonk(user, honk)
1521 jonk["@context"] = itiswhatitis
1522 msg := jonk.ToBytes()
1523
1524 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1525
1526 if honk.Public {
1527 for _, h := range getdubs(user.ID) {
1528 if h.XID == user.URL {
1529 continue
1530 }
1531 var box *Box
1532 ok := boxofboxes.Get(h.XID, &box)
1533 if ok && box.Shared != "" {
1534 rcpts["%"+box.Shared] = true
1535 } else {
1536 rcpts[h.XID] = true
1537 }
1538 }
1539 for _, f := range getbacktracks(honk.XID) {
1540 if f[0] == '%' {
1541 rcpts[f] = true
1542 } else {
1543 var box *Box
1544 ok := boxofboxes.Get(f, &box)
1545 if ok && box.Shared != "" {
1546 rcpts["%"+box.Shared] = true
1547 } else {
1548 rcpts[f] = true
1549 }
1550 }
1551 }
1552 }
1553 for a := range rcpts {
1554 go deliverate(user.ID, a, msg)
1555 }
1556 if honk.Public && len(honk.Onts) > 0 {
1557 collectiveaction(honk)
1558 }
1559}
1560
1561func collectiveaction(honk *Honk) {
1562 user := getserveruser()
1563 for _, ont := range honk.Onts {
1564 dubs := getnameddubs(readyLuserOne, ont)
1565 if len(dubs) == 0 {
1566 continue
1567 }
1568 j := junk.New()
1569 j["@context"] = itiswhatitis
1570 j["type"] = "Add"
1571 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1572 j["actor"] = user.URL
1573 j["object"] = honk.XID
1574 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1575 rcpts := make(map[string]bool)
1576 for _, dub := range dubs {
1577 var box *Box
1578 ok := boxofboxes.Get(dub.XID, &box)
1579 if ok && box.Shared != "" {
1580 rcpts["%"+box.Shared] = true
1581 } else {
1582 rcpts[dub.XID] = true
1583 }
1584 }
1585 msg := j.ToBytes()
1586 for a := range rcpts {
1587 go deliverate(user.ID, a, msg)
1588 }
1589 }
1590}
1591
1592func junkuser(user *WhatAbout) junk.Junk {
1593 j := junk.New()
1594 j["@context"] = itiswhatitis
1595 j["id"] = user.URL
1596 j["inbox"] = user.URL + "/inbox"
1597 j["outbox"] = user.URL + "/outbox"
1598 j["name"] = user.Display
1599 j["preferredUsername"] = user.Name
1600 j["summary"] = user.HTAbout
1601 var tags []junk.Junk
1602 for _, o := range user.Onts {
1603 t := junk.New()
1604 t["type"] = "Hashtag"
1605 o = strings.ToLower(o)
1606 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1607 t["name"] = o
1608 tags = append(tags, t)
1609 }
1610 if len(tags) > 0 {
1611 j["tag"] = tags
1612 }
1613
1614 if user.ID > 0 {
1615 j["type"] = "Person"
1616 j["url"] = user.URL
1617 j["followers"] = user.URL + "/followers"
1618 j["following"] = user.URL + "/following"
1619 a := junk.New()
1620 a["type"] = "Image"
1621 a["mediaType"] = "image/png"
1622 a["url"] = avatarURL(user)
1623 j["icon"] = a
1624 if ban := user.Options.Banner; ban != "" {
1625 a := junk.New()
1626 a["type"] = "Image"
1627 a["mediaType"] = "image/jpg"
1628 a["url"] = ban
1629 j["image"] = a
1630 }
1631 } else {
1632 j["type"] = "Service"
1633 }
1634 k := junk.New()
1635 k["id"] = user.URL + "#key"
1636 k["owner"] = user.URL
1637 k["publicKeyPem"] = user.Key
1638 j["publicKey"] = k
1639
1640 return j
1641}
1642
1643var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1644 user, err := butwhatabout(name)
1645 if err != nil {
1646 return nil, false
1647 }
1648 j := junkuser(user)
1649 return j.ToBytes(), true
1650}, Duration: 1 * time.Minute})
1651
1652func asjonker(name string) ([]byte, bool) {
1653 var j []byte
1654 ok := oldjonkers.Get(name, &j)
1655 return j, ok
1656}
1657
1658var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1659 m := strings.Split(name, "@")
1660 if len(m) != 2 {
1661 dlog.Printf("bad fish name: %s", name)
1662 return "", true
1663 }
1664 var href string
1665 row := stmtGetXonker.QueryRow(name, "fishname")
1666 err := row.Scan(&href)
1667 if err == nil {
1668 return href, true
1669 }
1670 dlog.Printf("fishing for %s", name)
1671 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1672 if err != nil {
1673 ilog.Printf("failed to go fish %s: %s", name, err)
1674 return "", true
1675 }
1676 links, _ := j.GetArray("links")
1677 for _, li := range links {
1678 l, ok := li.(junk.Junk)
1679 if !ok {
1680 continue
1681 }
1682 href, _ := l.GetString("href")
1683 rel, _ := l.GetString("rel")
1684 t, _ := l.GetString("type")
1685 if rel == "self" && friendorfoe(t) {
1686 when := time.Now().UTC().Format(dbtimeformat)
1687 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1688 if err != nil {
1689 elog.Printf("error saving fishname: %s", err)
1690 }
1691 return href, true
1692 }
1693 }
1694 return href, true
1695}, Duration: 1 * time.Minute})
1696
1697func gofish(name string) string {
1698 if name[0] == '@' {
1699 name = name[1:]
1700 }
1701 var href string
1702 handfull.Get(name, &href)
1703 return href
1704}
1705
1706func investigate(name string) (*SomeThing, error) {
1707 if name == "" {
1708 return nil, fmt.Errorf("no name")
1709 }
1710 if name[0] == '@' {
1711 name = gofish(name)
1712 }
1713 if name == "" {
1714 return nil, fmt.Errorf("no name")
1715 }
1716 obj, err := GetJunkFast(readyLuserOne, name)
1717 if err != nil {
1718 return nil, err
1719 }
1720 allinjest(originate(name), obj)
1721 return somethingabout(obj)
1722}
1723
1724func somethingabout(obj junk.Junk) (*SomeThing, error) {
1725 info := new(SomeThing)
1726 t, _ := obj.GetString("type")
1727 isowned := false
1728 switch t {
1729 case "Person":
1730 fallthrough
1731 case "Group":
1732 fallthrough
1733 case "Organization":
1734 fallthrough
1735 case "Application":
1736 fallthrough
1737 case "Service":
1738 info.What = SomeActor
1739 case "OrderedCollection":
1740 isowned = true
1741 fallthrough
1742 case "Collection":
1743 info.What = SomeCollection
1744 default:
1745 return nil, fmt.Errorf("unknown object type")
1746 }
1747 info.XID, _ = obj.GetString("id")
1748 info.Name, _ = obj.GetString("preferredUsername")
1749 if info.Name == "" {
1750 info.Name, _ = obj.GetString("name")
1751 }
1752 if isowned {
1753 info.Owner, _ = obj.GetString("attributedTo")
1754 }
1755 if info.Owner == "" {
1756 info.Owner = info.XID
1757 }
1758 return info, nil
1759}
1760
1761func allinjest(origin string, obj junk.Junk) {
1762 keyobj, ok := obj.GetMap("publicKey")
1763 if ok {
1764 ingestpubkey(origin, keyobj)
1765 }
1766 ingestboxes(origin, obj)
1767 ingesthandle(origin, obj)
1768}
1769
1770func ingestpubkey(origin string, obj junk.Junk) {
1771 keyobj, ok := obj.GetMap("publicKey")
1772 if ok {
1773 obj = keyobj
1774 }
1775 keyname, ok := obj.GetString("id")
1776 var data string
1777 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1778 err := row.Scan(&data)
1779 if err == nil {
1780 return
1781 }
1782 if !ok || origin != originate(keyname) {
1783 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1784 return
1785 }
1786 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1787 owner, ok := obj.GetString("owner")
1788 if !ok {
1789 ilog.Printf("error finding %s pubkey owner", keyname)
1790 return
1791 }
1792 data, ok = obj.GetString("publicKeyPem")
1793 if !ok {
1794 ilog.Printf("error finding %s pubkey", keyname)
1795 return
1796 }
1797 if originate(owner) != origin {
1798 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1799 return
1800 }
1801 _, _, err = httpsig.DecodeKey(data)
1802 if err != nil {
1803 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1804 return
1805 }
1806 when := time.Now().UTC().Format(dbtimeformat)
1807 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1808 if err != nil {
1809 elog.Printf("error saving key: %s", err)
1810 }
1811}
1812
1813func ingestboxes(origin string, obj junk.Junk) {
1814 ident, _ := obj.GetString("id")
1815 if ident == "" {
1816 return
1817 }
1818 if originate(ident) != origin {
1819 return
1820 }
1821 var info string
1822 row := stmtGetXonker.QueryRow(ident, "boxes")
1823 err := row.Scan(&info)
1824 if err == nil {
1825 return
1826 }
1827 dlog.Printf("ingesting boxes: %s", ident)
1828 inbox, _ := obj.GetString("inbox")
1829 outbox, _ := obj.GetString("outbox")
1830 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1831 if inbox != "" {
1832 when := time.Now().UTC().Format(dbtimeformat)
1833 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1834 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1835 if err != nil {
1836 elog.Printf("error saving boxes: %s", err)
1837 }
1838 }
1839}
1840
1841func ingesthandle(origin string, obj junk.Junk) {
1842 xid, _ := obj.GetString("id")
1843 if xid == "" {
1844 return
1845 }
1846 if originate(xid) != origin {
1847 return
1848 }
1849 var handle string
1850 row := stmtGetXonker.QueryRow(xid, "handle")
1851 err := row.Scan(&handle)
1852 if err == nil {
1853 return
1854 }
1855 handle, _ = obj.GetString("preferredUsername")
1856 if handle != "" {
1857 when := time.Now().UTC().Format(dbtimeformat)
1858 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1859 if err != nil {
1860 elog.Printf("error saving handle: %s", err)
1861 }
1862 }
1863}
1864
1865func updateMe(username string) {
1866 var user *WhatAbout
1867 somenamedusers.Get(username, &user)
1868 dt := time.Now().UTC().Format(time.RFC3339)
1869 j := junk.New()
1870 j["@context"] = itiswhatitis
1871 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1872 j["actor"] = user.URL
1873 j["published"] = dt
1874 j["to"] = thewholeworld
1875 j["type"] = "Update"
1876 j["object"] = junkuser(user)
1877
1878 msg := j.ToBytes()
1879
1880 rcpts := make(map[string]bool)
1881 for _, f := range getdubs(user.ID) {
1882 if f.XID == user.URL {
1883 continue
1884 }
1885 var box *Box
1886 boxofboxes.Get(f.XID, &box)
1887 if box != nil && box.Shared != "" {
1888 rcpts["%"+box.Shared] = true
1889 } else {
1890 rcpts[f.XID] = true
1891 }
1892 }
1893 for a := range rcpts {
1894 go deliverate(user.ID, a, msg)
1895 }
1896}
1897
1898func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1899 folxid, _ := j.GetString("id")
1900
1901 ilog.Printf("updating honker follow: %s %s", who, folxid)
1902
1903 var x string
1904 db := opendatabase()
1905 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1906 err := row.Scan(&x)
1907 if err != sql.ErrNoRows {
1908 ilog.Printf("duplicate follow request: %s", who)
1909 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1910 if err != nil {
1911 elog.Printf("error updating honker: %s", err)
1912 }
1913 } else {
1914 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1915 }
1916 go rubadubdub(user, j)
1917}
1918
1919func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1920 var folxid string
1921 if who == "" {
1922 folxid, _ = j.GetString("object")
1923
1924 db := opendatabase()
1925 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1926 err := row.Scan(&who, &name)
1927 if err != nil {
1928 if err != sql.ErrNoRows {
1929 elog.Printf("error scanning honker: %s", err)
1930 }
1931 return
1932 }
1933 }
1934
1935 ilog.Printf("updating honker undo: %s %s", who, folxid)
1936 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1937 if err != nil {
1938 elog.Printf("error updating honker: %s", err)
1939 return
1940 }
1941}
1942
1943func followyou(user *WhatAbout, honkerid int64, sync bool) {
1944 var url, owner string
1945 db := opendatabase()
1946 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1947 honkerid, user.ID)
1948 err := row.Scan(&url, &owner)
1949 if err != nil {
1950 elog.Printf("can't get honker xid: %s", err)
1951 return
1952 }
1953 folxid := xfiltrate()
1954 ilog.Printf("subscribing to %s", url)
1955 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1956 if err != nil {
1957 elog.Printf("error updating honker: %s", err)
1958 return
1959 }
1960 if sync {
1961 subsub(user, url, owner, folxid)
1962 } else {
1963 go subsub(user, url, owner, folxid)
1964 }
1965
1966}
1967func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1968 db := opendatabase()
1969 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1970 honkerid, user.ID)
1971 var url, owner, folxid, flavor string
1972 err := row.Scan(&url, &owner, &folxid, &flavor)
1973 if err != nil {
1974 elog.Printf("can't get honker xid: %s", err)
1975 return
1976 }
1977 if flavor == "peep" {
1978 return
1979 }
1980 ilog.Printf("unsubscribing from %s", url)
1981 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1982 if err != nil {
1983 elog.Printf("error updating honker: %s", err)
1984 return
1985 }
1986 if sync {
1987 itakeitallback(user, url, owner, folxid)
1988 } else {
1989 go itakeitallback(user, url, owner, folxid)
1990 }
1991}
1992
1993func followyou2(user *WhatAbout, j junk.Junk) {
1994 who, _ := j.GetString("actor")
1995
1996 ilog.Printf("updating honker accept: %s", who)
1997 db := opendatabase()
1998 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1999 user.ID, who)
2000 var name, folxid string
2001 err := row.Scan(&name, &folxid)
2002 if err != nil {
2003 elog.Printf("can't get honker name: %s", err)
2004 return
2005 }
2006 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2007 if err != nil {
2008 elog.Printf("error updating honker: %s", err)
2009 return
2010 }
2011}
2012
2013func nofollowyou2(user *WhatAbout, j junk.Junk) {
2014 who, _ := j.GetString("actor")
2015
2016 ilog.Printf("updating honker reject: %s", who)
2017 db := opendatabase()
2018 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2019 user.ID, who)
2020 var name, folxid string
2021 err := row.Scan(&name, &folxid)
2022 if err != nil {
2023 elog.Printf("can't get honker name: %s", err)
2024 return
2025 }
2026 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2027 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2028 if err != nil {
2029 elog.Printf("error updating honker: %s", err)
2030 return
2031 }
2032}