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