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 arr := oneforall(obj, "attributedTo")
472 for _, a := range arr {
473 s, ok := a.(string)
474 if ok {
475 return s
476 }
477 o, ok := a.(junk.Junk)
478 if ok {
479 t, _ := o.GetString("type")
480 id, _ := o.GetString("id")
481 if t == "Person" || t == "" {
482 return id
483 }
484 }
485 }
486 return ""
487}
488
489func oneforall(obj junk.Junk, key string) []interface{} {
490 if val, ok := obj.GetMap(key); ok {
491 return []interface{}{val}
492 }
493 if str, ok := obj.GetString(key); ok {
494 return []interface{}{str}
495 }
496 arr, _ := obj.GetArray(key)
497 return arr
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 // at some point we should just recurse
635 what, ok := obj.GetString("type")
636 if ok && (what == "Create" || what == "Update") {
637 obj, ok = obj.GetMap("object")
638 if !ok {
639 ilog.Printf("lost object inside announce %s", id)
640 return nil
641 }
642 if what == "Update" {
643 isUpdate = true
644 }
645 what, _ = obj.GetString("type")
646 }
647 if what == "Page" {
648 waspage = true
649 }
650 xid, _ = obj.GetString("id")
651 } else {
652 xid, _ = item.GetString("object")
653 }
654 if !needbonkid(user, xid) {
655 return nil
656 }
657 origin = originate(xid)
658 if ok && originate(id) == origin {
659 dlog.Printf("using object in announce for %s", xid)
660 } else {
661 dlog.Printf("getting bonk: %s", xid)
662 obj, err = GetJunkHardMode(user.ID, xid)
663 if err != nil {
664 ilog.Printf("error getting bonk: %s: %s", xid, err)
665 }
666 }
667 what = "bonk"
668 case "Update":
669 isUpdate = true
670 fallthrough
671 case "Create":
672 obj, ok = item.GetMap("object")
673 if !ok {
674 xid, _ = item.GetString("object")
675 dlog.Printf("getting created honk: %s", xid)
676 if originate(xid) != origin {
677 ilog.Printf("out of bounds %s not from %s", xid, origin)
678 return nil
679 }
680 obj, err = GetJunkHardMode(user.ID, xid)
681 if err != nil {
682 ilog.Printf("error getting creation: %s", err)
683 }
684 }
685 if obj == nil {
686 ilog.Printf("no object for creation %s", id)
687 return nil
688 }
689 return xonkxonkfn(obj, origin, isUpdate)
690 case "Read":
691 xid, ok = item.GetString("object")
692 if ok {
693 if !needxonkid(user, xid) {
694 dlog.Printf("don't need read obj: %s", xid)
695 return nil
696 }
697 obj, err = GetJunkHardMode(user.ID, xid)
698 if err != nil {
699 ilog.Printf("error getting read: %s", err)
700 return nil
701 }
702 return xonkxonkfn(obj, originate(xid), false)
703 }
704 return nil
705 case "Add":
706 xid, ok = item.GetString("object")
707 if ok {
708 // check target...
709 if !needxonkid(user, xid) {
710 dlog.Printf("don't need added obj: %s", xid)
711 return nil
712 }
713 obj, err = GetJunkHardMode(user.ID, xid)
714 if err != nil {
715 ilog.Printf("error getting add: %s", err)
716 return nil
717 }
718 return xonkxonkfn(obj, originate(xid), false)
719 }
720 return nil
721 case "Move":
722 obj = item
723 what = "move"
724 case "Page":
725 waspage = true
726 fallthrough
727 case "Audio":
728 fallthrough
729 case "Image":
730 if what == "Image" {
731 preferorig = true
732 }
733 fallthrough
734 case "Video":
735 fallthrough
736 case "Question":
737 fallthrough
738 case "Note":
739 fallthrough
740 case "Article":
741 obj = item
742 what = "honk"
743 case "Event":
744 obj = item
745 what = "event"
746 case "ChatMessage":
747 obj = item
748 what = "chonk"
749 default:
750 ilog.Printf("unknown activity: %s", what)
751 dumpactivity(item)
752 return nil
753 }
754
755 if obj != nil {
756 xid, _ = obj.GetString("id")
757 }
758
759 if xid == "" {
760 ilog.Printf("don't know what xid is")
761 item.Write(ilog.Writer())
762 return nil
763 }
764 if originate(xid) != origin {
765 if !develMode && origin != "" {
766 ilog.Printf("original sin: %s not from %s", xid, origin)
767 item.Write(ilog.Writer())
768 return nil
769 }
770 }
771
772 var xonk Honk
773 // early init
774 xonk.XID = xid
775 xonk.UserID = user.ID
776 xonk.Honker, _ = item.GetString("actor")
777 if xonk.Honker == "" {
778 xonk.Honker, _ = item.GetString("attributedTo")
779 }
780 if obj != nil {
781 if xonk.Honker == "" {
782 xonk.Honker = extractattrto(obj)
783 }
784 xonk.Oonker = extractattrto(obj)
785 if xonk.Oonker == xonk.Honker {
786 xonk.Oonker = ""
787 }
788 xonk.Audience = newphone(nil, obj)
789 }
790 xonk.Audience = append(xonk.Audience, xonk.Honker)
791 xonk.Audience = oneofakind(xonk.Audience)
792 xonk.Public = loudandproud(xonk.Audience)
793
794 var mentions []Mention
795 if obj != nil {
796 ot, _ := obj.GetString("type")
797 url, _ = obj.GetString("url")
798 if dt2, ok := obj.GetString("published"); ok {
799 dt = dt2
800 }
801 content, _ := obj.GetString("content")
802 if !strings.HasPrefix(content, "<p>") {
803 content = "<p>" + content
804 }
805 precis, _ := obj.GetString("summary")
806 if name, ok := obj.GetString("name"); ok {
807 if precis != "" {
808 content = precis + "<p>" + content
809 }
810 precis = html.EscapeString(name)
811 }
812 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
813 precis = "unspecified horror"
814 }
815 if waspage {
816 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
817 url = xid
818 }
819 if user.Options.InlineQuotes {
820 content = qutify(user, content)
821 }
822 rid, ok = obj.GetString("inReplyTo")
823 if !ok {
824 if robj, ok := obj.GetMap("inReplyTo"); ok {
825 rid, _ = robj.GetString("id")
826 }
827 }
828 convoy, _ = obj.GetString("context")
829 if convoy == "" {
830 convoy, _ = obj.GetString("conversation")
831 }
832 if ot == "Question" {
833 if what == "honk" {
834 what = "qonk"
835 }
836 content += "<ul>"
837 ans, _ := obj.GetArray("oneOf")
838 for _, ai := range ans {
839 a, ok := ai.(junk.Junk)
840 if !ok {
841 continue
842 }
843 as, _ := a.GetString("name")
844 content += "<li>" + as
845 }
846 ans, _ = obj.GetArray("anyOf")
847 for _, ai := range ans {
848 a, ok := ai.(junk.Junk)
849 if !ok {
850 continue
851 }
852 as, _ := a.GetString("name")
853 content += "<li>" + as
854 }
855 content += "</ul>"
856 }
857 if ot == "Move" {
858 targ, _ := obj.GetString("target")
859 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
860 }
861 if len(content) > 90001 {
862 ilog.Printf("content too long. truncating")
863 content = content[:90001]
864 }
865
866 xonk.Noise = content
867 xonk.Precis = precis
868 if rejectxonk(&xonk) {
869 dlog.Printf("fast reject: %s", xid)
870 return nil
871 }
872
873 numatts := 0
874 procatt := func(att junk.Junk) {
875 at, _ := att.GetString("type")
876 mt, _ := att.GetString("mediaType")
877 if mt == "" {
878 mt = "image"
879 }
880 u, ok := att.GetString("url")
881 if !ok {
882 u, ok = att.GetString("href")
883 }
884 if !ok {
885 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
886 u, ok = ua[0].(string)
887 if !ok {
888 if uu, ok := ua[0].(junk.Junk); ok {
889 u, _ = uu.GetString("href")
890 if mt == "" {
891 mt, _ = uu.GetString("mediaType")
892 }
893 }
894 }
895 } else if uu, ok := att.GetMap("url"); ok {
896 u, _ = uu.GetString("href")
897 if mt == "" {
898 mt, _ = uu.GetString("mediaType")
899 }
900 }
901 }
902 name, _ := att.GetString("name")
903 desc, _ := att.GetString("summary")
904 desc = html.UnescapeString(desc)
905 if desc == "" {
906 desc = name
907 }
908 localize := false
909 if at == "Document" || at == "Image" {
910 mt = strings.ToLower(mt)
911 dlog.Printf("attachment: %s %s", mt, u)
912 if mt == "text/plain" || mt == "application/pdf" ||
913 strings.HasPrefix(mt, "image") {
914 if numatts > 4 {
915 ilog.Printf("excessive attachment: %s", at)
916 } else {
917 localize = true
918 }
919 }
920 } else if at == "Link" {
921 if waspage {
922 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
923 return
924 }
925 if name == "" {
926 name = u
927 }
928 } else {
929 ilog.Printf("unknown attachment: %s", at)
930 }
931 if skipMedia(&xonk) {
932 localize = false
933 }
934 if preferorig && !localize {
935 return
936 }
937 donk := savedonk(u, name, desc, mt, localize)
938 if donk != nil {
939 xonk.Donks = append(xonk.Donks, donk)
940 }
941 numatts++
942 }
943 if img, ok := obj.GetMap("image"); ok {
944 procatt(img)
945 }
946 if preferorig {
947 atts, _ := obj.GetArray("url")
948 for _, atti := range atts {
949 att, ok := atti.(junk.Junk)
950 if !ok {
951 ilog.Printf("attachment that wasn't map?")
952 continue
953 }
954 procatt(att)
955 }
956 if numatts == 0 {
957 preferorig = false
958 }
959 }
960 if !preferorig {
961 atts := oneforall(obj, "attachment")
962 for _, atti := range atts {
963 att, ok := atti.(junk.Junk)
964 if !ok {
965 ilog.Printf("attachment that wasn't map?")
966 continue
967 }
968 procatt(att)
969 }
970 }
971 proctag := func(tag junk.Junk) {
972 tt, _ := tag.GetString("type")
973 name, _ := tag.GetString("name")
974 desc, _ := tag.GetString("summary")
975 desc = html.UnescapeString(desc)
976 if desc == "" {
977 desc = name
978 }
979 if tt == "Emoji" {
980 icon, _ := tag.GetMap("icon")
981 mt, _ := icon.GetString("mediaType")
982 if mt == "" {
983 mt = "image/png"
984 }
985 u, _ := icon.GetString("url")
986 donk := savedonk(u, name, desc, mt, true)
987 if donk != nil {
988 xonk.Donks = append(xonk.Donks, donk)
989 }
990 }
991 if tt == "Hashtag" {
992 if name == "" || name == "#" {
993 // skip it
994 } else {
995 if name[0] != '#' {
996 name = "#" + name
997 }
998 xonk.Onts = append(xonk.Onts, name)
999 }
1000 }
1001 if tt == "Place" {
1002 p := new(Place)
1003 p.Name = name
1004 p.Latitude, _ = tag.GetNumber("latitude")
1005 p.Longitude, _ = tag.GetNumber("longitude")
1006 p.Url, _ = tag.GetString("url")
1007 xonk.Place = p
1008 }
1009 if tt == "Mention" {
1010 var m Mention
1011 m.Who, _ = tag.GetString("name")
1012 m.Where, _ = tag.GetString("href")
1013 mentions = append(mentions, m)
1014 }
1015 }
1016 tags := oneforall(obj, "tag")
1017 for _, tagi := range tags {
1018 tag, ok := tagi.(junk.Junk)
1019 if !ok {
1020 continue
1021 }
1022 proctag(tag)
1023 }
1024 if starttime, ok := obj.GetString("startTime"); ok {
1025 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1026 t := new(Time)
1027 t.StartTime = start
1028 endtime, _ := obj.GetString("endTime")
1029 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1030 dura, _ := obj.GetString("duration")
1031 if strings.HasPrefix(dura, "PT") {
1032 dura = strings.ToLower(dura[2:])
1033 d, _ := time.ParseDuration(dura)
1034 t.Duration = Duration(d)
1035 }
1036 xonk.Time = t
1037 }
1038 }
1039 if loca, ok := obj.GetMap("location"); ok {
1040 if tt, _ := loca.GetString("type"); tt == "Place" {
1041 p := new(Place)
1042 p.Name, _ = loca.GetString("name")
1043 p.Latitude, _ = loca.GetNumber("latitude")
1044 p.Longitude, _ = loca.GetNumber("longitude")
1045 p.Url, _ = loca.GetString("url")
1046 xonk.Place = p
1047 }
1048 }
1049
1050 xonk.Onts = oneofakind(xonk.Onts)
1051 replyobj, ok := obj.GetMap("replies")
1052 if ok {
1053 items, ok := replyobj.GetArray("items")
1054 if !ok {
1055 first, ok := replyobj.GetMap("first")
1056 if ok {
1057 items, _ = first.GetArray("items")
1058 }
1059 }
1060 for _, repl := range items {
1061 s, ok := repl.(string)
1062 if ok {
1063 replies = append(replies, s)
1064 }
1065 }
1066 }
1067
1068 }
1069
1070 if currenttid == "" {
1071 currenttid = convoy
1072 }
1073
1074 // init xonk
1075 xonk.What = what
1076 xonk.RID = rid
1077 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1078 xonk.URL = url
1079 xonk.Format = "html"
1080 xonk.Convoy = convoy
1081 xonk.Mentions = mentions
1082 for _, m := range mentions {
1083 if m.Where == user.URL {
1084 xonk.Whofore = 1
1085 }
1086 }
1087 imaginate(&xonk)
1088
1089 if what == "chonk" {
1090 ch := Chonk{
1091 UserID: xonk.UserID,
1092 XID: xid,
1093 Who: xonk.Honker,
1094 Target: xonk.Honker,
1095 Date: xonk.Date,
1096 Noise: xonk.Noise,
1097 Format: xonk.Format,
1098 Donks: xonk.Donks,
1099 }
1100 savechonk(&ch)
1101 return nil
1102 }
1103
1104 if isUpdate {
1105 dlog.Printf("something has changed! %s", xonk.XID)
1106 prev := getxonk(user.ID, xonk.XID)
1107 if prev == nil {
1108 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1109 isUpdate = false
1110 } else {
1111 xonk.ID = prev.ID
1112 updatehonk(&xonk)
1113 }
1114 }
1115 if !isUpdate && needxonk(user, &xonk) {
1116 if rid != "" && xonk.Public {
1117 if needxonkid(user, rid) {
1118 goingup++
1119 saveonemore(rid)
1120 goingup--
1121 }
1122 if convoy == "" {
1123 xx := getxonk(user.ID, rid)
1124 if xx != nil {
1125 convoy = xx.Convoy
1126 }
1127 }
1128 }
1129 if convoy == "" {
1130 convoy = currenttid
1131 }
1132 if convoy == "" {
1133 convoy = "data:,missing-" + xfiltrate()
1134 currenttid = convoy
1135 }
1136 xonk.Convoy = convoy
1137 savexonk(&xonk)
1138 }
1139 if goingup == 0 {
1140 for _, replid := range replies {
1141 if needxonkid(user, replid) {
1142 dlog.Printf("missing a reply: %s", replid)
1143 saveonemore(replid)
1144 }
1145 }
1146 }
1147 return &xonk
1148 }
1149
1150 return xonkxonkfn(item, origin, false)
1151}
1152
1153func dumpactivity(item junk.Junk) {
1154 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1155 if err != nil {
1156 elog.Printf("error opening inbox! %s", err)
1157 return
1158 }
1159 defer fd.Close()
1160 item.Write(fd)
1161 io.WriteString(fd, "\n")
1162}
1163
1164func rubadubdub(user *WhatAbout, req junk.Junk) {
1165 actor, _ := req.GetString("actor")
1166 j := junk.New()
1167 j["@context"] = itiswhatitis
1168 j["id"] = user.URL + "/dub/" + xfiltrate()
1169 j["type"] = "Accept"
1170 j["actor"] = user.URL
1171 j["to"] = actor
1172 j["published"] = time.Now().UTC().Format(time.RFC3339)
1173 j["object"] = req
1174
1175 deliverate(user.ID, actor, j.ToBytes())
1176}
1177
1178func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1179 j := junk.New()
1180 j["@context"] = itiswhatitis
1181 j["id"] = user.URL + "/unsub/" + folxid
1182 j["type"] = "Undo"
1183 j["actor"] = user.URL
1184 j["to"] = owner
1185 f := junk.New()
1186 f["id"] = user.URL + "/sub/" + folxid
1187 f["type"] = "Follow"
1188 f["actor"] = user.URL
1189 f["to"] = owner
1190 f["object"] = xid
1191 j["object"] = f
1192 j["published"] = time.Now().UTC().Format(time.RFC3339)
1193
1194 deliverate(user.ID, owner, j.ToBytes())
1195}
1196
1197func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1198 if xid == "" {
1199 ilog.Printf("can't subscribe to empty")
1200 return
1201 }
1202 j := junk.New()
1203 j["@context"] = itiswhatitis
1204 j["id"] = user.URL + "/sub/" + folxid
1205 j["type"] = "Follow"
1206 j["actor"] = user.URL
1207 j["to"] = owner
1208 j["object"] = xid
1209 j["published"] = time.Now().UTC().Format(time.RFC3339)
1210
1211 deliverate(user.ID, owner, j.ToBytes())
1212}
1213
1214func activatedonks(donks []*Donk) []junk.Junk {
1215 var atts []junk.Junk
1216 for _, d := range donks {
1217 if re_emus.MatchString(d.Name) {
1218 continue
1219 }
1220 jd := junk.New()
1221 jd["mediaType"] = d.Media
1222 jd["name"] = d.Name
1223 jd["summary"] = html.EscapeString(d.Desc)
1224 jd["type"] = "Document"
1225 jd["url"] = d.URL
1226 atts = append(atts, jd)
1227 }
1228 return atts
1229}
1230
1231// returns activity, object
1232func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1233 dt := h.Date.Format(time.RFC3339)
1234 var jo junk.Junk
1235 j := junk.New()
1236 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1237 j["actor"] = user.URL
1238 j["published"] = dt
1239 j["to"] = h.Audience[0]
1240 if len(h.Audience) > 1 {
1241 j["cc"] = h.Audience[1:]
1242 }
1243
1244 switch h.What {
1245 case "update":
1246 fallthrough
1247 case "event":
1248 fallthrough
1249 case "honk":
1250 j["type"] = "Create"
1251 jo = junk.New()
1252 jo["id"] = h.XID
1253 jo["type"] = "Note"
1254 if h.What == "event" {
1255 jo["type"] = "Event"
1256 }
1257 if h.What == "update" {
1258 j["type"] = "Update"
1259 jo["updated"] = dt
1260 }
1261 jo["published"] = dt
1262 jo["url"] = h.XID
1263 jo["attributedTo"] = user.URL
1264 if h.RID != "" {
1265 jo["inReplyTo"] = h.RID
1266 }
1267 if h.Convoy != "" {
1268 jo["context"] = h.Convoy
1269 jo["conversation"] = h.Convoy
1270 }
1271 jo["to"] = h.Audience[0]
1272 if len(h.Audience) > 1 {
1273 jo["cc"] = h.Audience[1:]
1274 }
1275 if !h.Public {
1276 jo["directMessage"] = true
1277 }
1278 translate(h)
1279 redoimages(h)
1280 if h.Precis != "" {
1281 jo["sensitive"] = true
1282 }
1283
1284 var replies []string
1285 for _, reply := range h.Replies {
1286 replies = append(replies, reply.XID)
1287 }
1288 if len(replies) > 0 {
1289 jr := junk.New()
1290 jr["type"] = "Collection"
1291 jr["totalItems"] = len(replies)
1292 jr["items"] = replies
1293 jo["replies"] = jr
1294 }
1295
1296 var tags []junk.Junk
1297 for _, m := range h.Mentions {
1298 t := junk.New()
1299 t["type"] = "Mention"
1300 t["name"] = m.Who
1301 t["href"] = m.Where
1302 tags = append(tags, t)
1303 }
1304 for _, o := range h.Onts {
1305 t := junk.New()
1306 t["type"] = "Hashtag"
1307 o = strings.ToLower(o)
1308 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1309 t["name"] = o
1310 tags = append(tags, t)
1311 }
1312 for _, e := range herdofemus(h.Noise) {
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"] = e.Type
1320 i["url"] = e.ID
1321 t["icon"] = i
1322 tags = append(tags, t)
1323 }
1324 for _, e := range fixupflags(h) {
1325 t := junk.New()
1326 t["id"] = e.ID
1327 t["type"] = "Emoji"
1328 t["name"] = e.Name
1329 i := junk.New()
1330 i["type"] = "Image"
1331 i["mediaType"] = "image/png"
1332 i["url"] = e.ID
1333 t["icon"] = i
1334 tags = append(tags, t)
1335 }
1336 if len(tags) > 0 {
1337 jo["tag"] = tags
1338 }
1339 if p := h.Place; p != nil {
1340 t := junk.New()
1341 t["type"] = "Place"
1342 if p.Name != "" {
1343 t["name"] = p.Name
1344 }
1345 if p.Latitude != 0 {
1346 t["latitude"] = p.Latitude
1347 }
1348 if p.Longitude != 0 {
1349 t["longitude"] = p.Longitude
1350 }
1351 if p.Url != "" {
1352 t["url"] = p.Url
1353 }
1354 jo["location"] = t
1355 }
1356 if t := h.Time; t != nil {
1357 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1358 if t.Duration != 0 {
1359 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1360 }
1361 }
1362 atts := activatedonks(h.Donks)
1363 if len(atts) > 0 {
1364 jo["attachment"] = atts
1365 }
1366 jo["summary"] = h.Precis
1367 jo["content"] = h.Noise
1368 j["object"] = jo
1369 case "bonk":
1370 j["type"] = "Announce"
1371 if h.Convoy != "" {
1372 j["context"] = h.Convoy
1373 }
1374 j["object"] = h.XID
1375 case "unbonk":
1376 b := junk.New()
1377 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1378 b["type"] = "Announce"
1379 b["actor"] = user.URL
1380 if h.Convoy != "" {
1381 b["context"] = h.Convoy
1382 }
1383 b["object"] = h.XID
1384 j["type"] = "Undo"
1385 j["object"] = b
1386 case "zonk":
1387 j["type"] = "Delete"
1388 j["object"] = h.XID
1389 case "ack":
1390 j["type"] = "Read"
1391 j["object"] = h.XID
1392 if h.Convoy != "" {
1393 j["context"] = h.Convoy
1394 }
1395 case "react":
1396 j["type"] = "EmojiReact"
1397 j["object"] = h.XID
1398 if h.Convoy != "" {
1399 j["context"] = h.Convoy
1400 }
1401 j["content"] = h.Noise
1402 case "deack":
1403 b := junk.New()
1404 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1405 b["type"] = "Read"
1406 b["actor"] = user.URL
1407 b["object"] = h.XID
1408 if h.Convoy != "" {
1409 b["context"] = h.Convoy
1410 }
1411 j["type"] = "Undo"
1412 j["object"] = b
1413 }
1414
1415 return j, jo
1416}
1417
1418var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1419 row := stmtAnyXonk.QueryRow(xid)
1420 honk := scanhonk(row)
1421 if honk == nil || !honk.Public {
1422 return nil, true
1423 }
1424 user, _ := butwhatabout(honk.Username)
1425 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1426 reversehonks(rawhonks)
1427 for _, h := range rawhonks {
1428 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1429 honk.Replies = append(honk.Replies, h)
1430 }
1431 }
1432 donksforhonks([]*Honk{honk})
1433 _, j := jonkjonk(user, honk)
1434 if j == nil {
1435 elog.Fatalf("what just happened? %v", honk)
1436 }
1437 j["@context"] = itiswhatitis
1438
1439 return j.ToBytes(), true
1440}, Limit: 128})
1441
1442func gimmejonk(xid string) ([]byte, bool) {
1443 var j []byte
1444 ok := oldjonks.Get(xid, &j)
1445 return j, ok
1446}
1447
1448func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1449 rcpts := make(map[string]bool)
1450 for _, a := range addresses {
1451 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1452 continue
1453 }
1454 if a[0] == '%' {
1455 rcpts[a] = true
1456 continue
1457 }
1458 var box *Box
1459 ok := boxofboxes.Get(a, &box)
1460 if ok && useshared && box.Shared != "" {
1461 rcpts["%"+box.Shared] = true
1462 } else {
1463 rcpts[a] = true
1464 }
1465 }
1466 return rcpts
1467}
1468
1469func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1470 dt := ch.Date.Format(time.RFC3339)
1471 aud := []string{ch.Target}
1472
1473 jo := junk.New()
1474 jo["id"] = ch.XID
1475 jo["type"] = "ChatMessage"
1476 jo["published"] = dt
1477 jo["attributedTo"] = user.URL
1478 jo["to"] = aud
1479 jo["content"] = ch.HTML
1480 atts := activatedonks(ch.Donks)
1481 if len(atts) > 0 {
1482 jo["attachment"] = atts
1483 }
1484 var tags []junk.Junk
1485 for _, e := range herdofemus(ch.Noise) {
1486 t := junk.New()
1487 t["id"] = e.ID
1488 t["type"] = "Emoji"
1489 t["name"] = e.Name
1490 i := junk.New()
1491 i["type"] = "Image"
1492 i["mediaType"] = e.Type
1493 i["url"] = e.ID
1494 t["icon"] = i
1495 tags = append(tags, t)
1496 }
1497 if len(tags) > 0 {
1498 jo["tag"] = tags
1499 }
1500
1501 j := junk.New()
1502 j["@context"] = itiswhatitis
1503 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1504 j["type"] = "Create"
1505 j["actor"] = user.URL
1506 j["published"] = dt
1507 j["to"] = aud
1508 j["object"] = jo
1509
1510 return j.ToBytes()
1511}
1512
1513func sendchonk(user *WhatAbout, ch *Chonk) {
1514 msg := chonkifymsg(user, ch)
1515
1516 rcpts := make(map[string]bool)
1517 rcpts[ch.Target] = true
1518 for a := range rcpts {
1519 go deliverate(user.ID, a, msg)
1520 }
1521}
1522
1523func honkworldwide(user *WhatAbout, honk *Honk) {
1524 jonk, _ := jonkjonk(user, honk)
1525 jonk["@context"] = itiswhatitis
1526 msg := jonk.ToBytes()
1527
1528 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1529
1530 if honk.Public {
1531 for _, h := range getdubs(user.ID) {
1532 if h.XID == user.URL {
1533 continue
1534 }
1535 var box *Box
1536 ok := boxofboxes.Get(h.XID, &box)
1537 if ok && box.Shared != "" {
1538 rcpts["%"+box.Shared] = true
1539 } else {
1540 rcpts[h.XID] = true
1541 }
1542 }
1543 for _, f := range getbacktracks(honk.XID) {
1544 if f[0] == '%' {
1545 rcpts[f] = true
1546 } else {
1547 var box *Box
1548 ok := boxofboxes.Get(f, &box)
1549 if ok && box.Shared != "" {
1550 rcpts["%"+box.Shared] = true
1551 } else {
1552 rcpts[f] = true
1553 }
1554 }
1555 }
1556 }
1557 for a := range rcpts {
1558 go deliverate(user.ID, a, msg)
1559 }
1560 if honk.Public && len(honk.Onts) > 0 {
1561 collectiveaction(honk)
1562 }
1563}
1564
1565func collectiveaction(honk *Honk) {
1566 user := getserveruser()
1567 for _, ont := range honk.Onts {
1568 dubs := getnameddubs(readyLuserOne, ont)
1569 if len(dubs) == 0 {
1570 continue
1571 }
1572 j := junk.New()
1573 j["@context"] = itiswhatitis
1574 j["type"] = "Add"
1575 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1576 j["actor"] = user.URL
1577 j["object"] = honk.XID
1578 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1579 rcpts := make(map[string]bool)
1580 for _, dub := range dubs {
1581 var box *Box
1582 ok := boxofboxes.Get(dub.XID, &box)
1583 if ok && box.Shared != "" {
1584 rcpts["%"+box.Shared] = true
1585 } else {
1586 rcpts[dub.XID] = true
1587 }
1588 }
1589 msg := j.ToBytes()
1590 for a := range rcpts {
1591 go deliverate(user.ID, a, msg)
1592 }
1593 }
1594}
1595
1596func junkuser(user *WhatAbout) junk.Junk {
1597 j := junk.New()
1598 j["@context"] = itiswhatitis
1599 j["id"] = user.URL
1600 j["inbox"] = user.URL + "/inbox"
1601 j["outbox"] = user.URL + "/outbox"
1602 j["name"] = user.Display
1603 j["preferredUsername"] = user.Name
1604 j["summary"] = user.HTAbout
1605 var tags []junk.Junk
1606 for _, o := range user.Onts {
1607 t := junk.New()
1608 t["type"] = "Hashtag"
1609 o = strings.ToLower(o)
1610 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1611 t["name"] = o
1612 tags = append(tags, t)
1613 }
1614 if len(tags) > 0 {
1615 j["tag"] = tags
1616 }
1617
1618 if user.ID > 0 {
1619 j["type"] = "Person"
1620 j["url"] = user.URL
1621 j["followers"] = user.URL + "/followers"
1622 j["following"] = user.URL + "/following"
1623 a := junk.New()
1624 a["type"] = "Image"
1625 a["mediaType"] = "image/png"
1626 a["url"] = avatarURL(user)
1627 j["icon"] = a
1628 if ban := user.Options.Banner; ban != "" {
1629 a := junk.New()
1630 a["type"] = "Image"
1631 a["mediaType"] = "image/jpg"
1632 a["url"] = ban
1633 j["image"] = a
1634 }
1635 } else {
1636 j["type"] = "Service"
1637 }
1638 k := junk.New()
1639 k["id"] = user.URL + "#key"
1640 k["owner"] = user.URL
1641 k["publicKeyPem"] = user.Key
1642 j["publicKey"] = k
1643
1644 return j
1645}
1646
1647var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1648 user, err := butwhatabout(name)
1649 if err != nil {
1650 return nil, false
1651 }
1652 j := junkuser(user)
1653 return j.ToBytes(), true
1654}, Duration: 1 * time.Minute})
1655
1656func asjonker(name string) ([]byte, bool) {
1657 var j []byte
1658 ok := oldjonkers.Get(name, &j)
1659 return j, ok
1660}
1661
1662var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1663 m := strings.Split(name, "@")
1664 if len(m) != 2 {
1665 dlog.Printf("bad fish name: %s", name)
1666 return "", true
1667 }
1668 var href string
1669 row := stmtGetXonker.QueryRow(name, "fishname")
1670 err := row.Scan(&href)
1671 if err == nil {
1672 return href, true
1673 }
1674 dlog.Printf("fishing for %s", name)
1675 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1676 if err != nil {
1677 ilog.Printf("failed to go fish %s: %s", name, err)
1678 return "", true
1679 }
1680 links, _ := j.GetArray("links")
1681 for _, li := range links {
1682 l, ok := li.(junk.Junk)
1683 if !ok {
1684 continue
1685 }
1686 href, _ := l.GetString("href")
1687 rel, _ := l.GetString("rel")
1688 t, _ := l.GetString("type")
1689 if rel == "self" && friendorfoe(t) {
1690 when := time.Now().UTC().Format(dbtimeformat)
1691 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1692 if err != nil {
1693 elog.Printf("error saving fishname: %s", err)
1694 }
1695 return href, true
1696 }
1697 }
1698 return href, true
1699}, Duration: 1 * time.Minute})
1700
1701func gofish(name string) string {
1702 if name[0] == '@' {
1703 name = name[1:]
1704 }
1705 var href string
1706 handfull.Get(name, &href)
1707 return href
1708}
1709
1710func investigate(name string) (*SomeThing, error) {
1711 if name == "" {
1712 return nil, fmt.Errorf("no name")
1713 }
1714 if name[0] == '@' {
1715 name = gofish(name)
1716 }
1717 if name == "" {
1718 return nil, fmt.Errorf("no name")
1719 }
1720 obj, err := GetJunkFast(readyLuserOne, name)
1721 if err != nil {
1722 return nil, err
1723 }
1724 allinjest(originate(name), obj)
1725 return somethingabout(obj)
1726}
1727
1728func somethingabout(obj junk.Junk) (*SomeThing, error) {
1729 info := new(SomeThing)
1730 t, _ := obj.GetString("type")
1731 isowned := false
1732 switch t {
1733 case "Person":
1734 fallthrough
1735 case "Group":
1736 fallthrough
1737 case "Organization":
1738 fallthrough
1739 case "Application":
1740 fallthrough
1741 case "Service":
1742 info.What = SomeActor
1743 case "OrderedCollection":
1744 isowned = true
1745 fallthrough
1746 case "Collection":
1747 info.What = SomeCollection
1748 default:
1749 return nil, fmt.Errorf("unknown object type")
1750 }
1751 info.XID, _ = obj.GetString("id")
1752 info.Name, _ = obj.GetString("preferredUsername")
1753 if info.Name == "" {
1754 info.Name, _ = obj.GetString("name")
1755 }
1756 if isowned {
1757 info.Owner, _ = obj.GetString("attributedTo")
1758 }
1759 if info.Owner == "" {
1760 info.Owner = info.XID
1761 }
1762 return info, nil
1763}
1764
1765func allinjest(origin string, obj junk.Junk) {
1766 keyobj, ok := obj.GetMap("publicKey")
1767 if ok {
1768 ingestpubkey(origin, keyobj)
1769 }
1770 ingestboxes(origin, obj)
1771 ingesthandle(origin, obj)
1772}
1773
1774func ingestpubkey(origin string, obj junk.Junk) {
1775 keyobj, ok := obj.GetMap("publicKey")
1776 if ok {
1777 obj = keyobj
1778 }
1779 keyname, ok := obj.GetString("id")
1780 var data string
1781 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1782 err := row.Scan(&data)
1783 if err == nil {
1784 return
1785 }
1786 if !ok || origin != originate(keyname) {
1787 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1788 return
1789 }
1790 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1791 owner, ok := obj.GetString("owner")
1792 if !ok {
1793 ilog.Printf("error finding %s pubkey owner", keyname)
1794 return
1795 }
1796 data, ok = obj.GetString("publicKeyPem")
1797 if !ok {
1798 ilog.Printf("error finding %s pubkey", keyname)
1799 return
1800 }
1801 if originate(owner) != origin {
1802 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1803 return
1804 }
1805 _, _, err = httpsig.DecodeKey(data)
1806 if err != nil {
1807 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1808 return
1809 }
1810 when := time.Now().UTC().Format(dbtimeformat)
1811 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1812 if err != nil {
1813 elog.Printf("error saving key: %s", err)
1814 }
1815}
1816
1817func ingestboxes(origin string, obj junk.Junk) {
1818 ident, _ := obj.GetString("id")
1819 if ident == "" {
1820 return
1821 }
1822 if originate(ident) != origin {
1823 return
1824 }
1825 var info string
1826 row := stmtGetXonker.QueryRow(ident, "boxes")
1827 err := row.Scan(&info)
1828 if err == nil {
1829 return
1830 }
1831 dlog.Printf("ingesting boxes: %s", ident)
1832 inbox, _ := obj.GetString("inbox")
1833 outbox, _ := obj.GetString("outbox")
1834 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1835 if inbox != "" {
1836 when := time.Now().UTC().Format(dbtimeformat)
1837 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1838 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1839 if err != nil {
1840 elog.Printf("error saving boxes: %s", err)
1841 }
1842 }
1843}
1844
1845func ingesthandle(origin string, obj junk.Junk) {
1846 xid, _ := obj.GetString("id")
1847 if xid == "" {
1848 return
1849 }
1850 if originate(xid) != origin {
1851 return
1852 }
1853 var handle string
1854 row := stmtGetXonker.QueryRow(xid, "handle")
1855 err := row.Scan(&handle)
1856 if err == nil {
1857 return
1858 }
1859 handle, _ = obj.GetString("preferredUsername")
1860 if handle != "" {
1861 when := time.Now().UTC().Format(dbtimeformat)
1862 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1863 if err != nil {
1864 elog.Printf("error saving handle: %s", err)
1865 }
1866 }
1867}
1868
1869func updateMe(username string) {
1870 var user *WhatAbout
1871 somenamedusers.Get(username, &user)
1872 dt := time.Now().UTC().Format(time.RFC3339)
1873 j := junk.New()
1874 j["@context"] = itiswhatitis
1875 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1876 j["actor"] = user.URL
1877 j["published"] = dt
1878 j["to"] = thewholeworld
1879 j["type"] = "Update"
1880 j["object"] = junkuser(user)
1881
1882 msg := j.ToBytes()
1883
1884 rcpts := make(map[string]bool)
1885 for _, f := range getdubs(user.ID) {
1886 if f.XID == user.URL {
1887 continue
1888 }
1889 var box *Box
1890 boxofboxes.Get(f.XID, &box)
1891 if box != nil && box.Shared != "" {
1892 rcpts["%"+box.Shared] = true
1893 } else {
1894 rcpts[f.XID] = true
1895 }
1896 }
1897 for a := range rcpts {
1898 go deliverate(user.ID, a, msg)
1899 }
1900}
1901
1902func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1903 folxid, _ := j.GetString("id")
1904
1905 ilog.Printf("updating honker follow: %s %s", who, folxid)
1906
1907 var x string
1908 db := opendatabase()
1909 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1910 err := row.Scan(&x)
1911 if err != sql.ErrNoRows {
1912 ilog.Printf("duplicate follow request: %s", who)
1913 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1914 if err != nil {
1915 elog.Printf("error updating honker: %s", err)
1916 }
1917 } else {
1918 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1919 }
1920 go rubadubdub(user, j)
1921}
1922
1923func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1924 var folxid string
1925 if who == "" {
1926 folxid, _ = j.GetString("object")
1927
1928 db := opendatabase()
1929 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1930 err := row.Scan(&who, &name)
1931 if err != nil {
1932 if err != sql.ErrNoRows {
1933 elog.Printf("error scanning honker: %s", err)
1934 }
1935 return
1936 }
1937 }
1938
1939 ilog.Printf("updating honker undo: %s %s", who, folxid)
1940 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1941 if err != nil {
1942 elog.Printf("error updating honker: %s", err)
1943 return
1944 }
1945}
1946
1947func followyou(user *WhatAbout, honkerid int64, sync bool) {
1948 var url, owner string
1949 db := opendatabase()
1950 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1951 honkerid, user.ID)
1952 err := row.Scan(&url, &owner)
1953 if err != nil {
1954 elog.Printf("can't get honker xid: %s", err)
1955 return
1956 }
1957 folxid := xfiltrate()
1958 ilog.Printf("subscribing to %s", url)
1959 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1960 if err != nil {
1961 elog.Printf("error updating honker: %s", err)
1962 return
1963 }
1964 if sync {
1965 subsub(user, url, owner, folxid)
1966 } else {
1967 go subsub(user, url, owner, folxid)
1968 }
1969
1970}
1971func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1972 db := opendatabase()
1973 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1974 honkerid, user.ID)
1975 var url, owner, folxid, flavor string
1976 err := row.Scan(&url, &owner, &folxid, &flavor)
1977 if err != nil {
1978 elog.Printf("can't get honker xid: %s", err)
1979 return
1980 }
1981 if flavor == "peep" {
1982 return
1983 }
1984 ilog.Printf("unsubscribing from %s", url)
1985 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1986 if err != nil {
1987 elog.Printf("error updating honker: %s", err)
1988 return
1989 }
1990 if sync {
1991 itakeitallback(user, url, owner, folxid)
1992 } else {
1993 go itakeitallback(user, url, owner, folxid)
1994 }
1995}
1996
1997func followyou2(user *WhatAbout, j junk.Junk) {
1998 who, _ := j.GetString("actor")
1999
2000 ilog.Printf("updating honker accept: %s", who)
2001 db := opendatabase()
2002 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2003 user.ID, who)
2004 var name, folxid string
2005 err := row.Scan(&name, &folxid)
2006 if err != nil {
2007 elog.Printf("can't get honker name: %s", err)
2008 return
2009 }
2010 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2011 if err != nil {
2012 elog.Printf("error updating honker: %s", err)
2013 return
2014 }
2015}
2016
2017func nofollowyou2(user *WhatAbout, j junk.Junk) {
2018 who, _ := j.GetString("actor")
2019
2020 ilog.Printf("updating honker reject: %s", who)
2021 db := opendatabase()
2022 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2023 user.ID, who)
2024 var name, folxid string
2025 err := row.Scan(&name, &folxid)
2026 if err != nil {
2027 elog.Printf("can't get honker name: %s", err)
2028 return
2029 }
2030 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2031 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2032 if err != nil {
2033 elog.Printf("error updating honker: %s", err)
2034 return
2035 }
2036}