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