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 "net/url"
29 "os"
30 "regexp"
31 "strings"
32 "time"
33
34 "humungus.tedunangst.com/r/webs/cache"
35 "humungus.tedunangst.com/r/webs/gate"
36 "humungus.tedunangst.com/r/webs/httpsig"
37 "humungus.tedunangst.com/r/webs/junk"
38 "humungus.tedunangst.com/r/webs/templates"
39)
40
41var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
42var thefakename = `application/activity+json`
43var falsenames = []string{
44 `application/ld+json`,
45 `application/activity+json`,
46}
47var itiswhatitis = "https://www.w3.org/ns/activitystreams"
48var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
49
50var fastTimeout time.Duration = 5
51var slowTimeout time.Duration = 30
52
53func friendorfoe(ct string) bool {
54 ct = strings.ToLower(ct)
55 for _, at := range falsenames {
56 if strings.HasPrefix(ct, at) {
57 return true
58 }
59 }
60 return false
61}
62
63var develClient = &http.Client{
64 Transport: &http.Transport{
65 TLSClientConfig: &tls.Config{
66 InsecureSkipVerify: true,
67 },
68 },
69}
70
71func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
72 return PostMsg(keyname, key, url, j.ToBytes())
73}
74
75func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
76 client := http.DefaultClient
77 if develMode {
78 client = develClient
79 }
80 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
81 if err != nil {
82 return err
83 }
84 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
85 req.Header.Set("Content-Type", theonetruename)
86 httpsig.SignRequest(keyname, key, req, msg)
87 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
88 defer cancel()
89 req = req.WithContext(ctx)
90 resp, err := client.Do(req)
91 if err != nil {
92 return err
93 }
94 resp.Body.Close()
95 switch resp.StatusCode {
96 case 200:
97 case 201:
98 case 202:
99 default:
100 return fmt.Errorf("http post status: %d", resp.StatusCode)
101 }
102 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
103 return nil
104}
105
106func GetJunk(userid int64, url string) (junk.Junk, error) {
107 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
108}
109
110func GetJunkFast(userid int64, url string) (junk.Junk, error) {
111 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
112}
113
114func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
115 j, err := GetJunk(userid, url)
116 if err != nil {
117 emsg := err.Error()
118 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
119 ilog.Printf("trying again after error: %s", emsg)
120 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
121 j, err = GetJunk(userid, url)
122 if err != nil {
123 ilog.Printf("still couldn't get it")
124 } else {
125 ilog.Printf("retry success!")
126 }
127 }
128 }
129 return j, err
130}
131
132var flightdeck = gate.NewSerializer()
133
134var signGets = true
135
136func junkGet(userid int64, url string, args junk.GetArgs) (junk.Junk, error) {
137 client := http.DefaultClient
138 if args.Client != nil {
139 client = args.Client
140 }
141 req, err := http.NewRequest("GET", url, nil)
142 if err != nil {
143 return nil, err
144 }
145 if args.Accept != "" {
146 req.Header.Set("Accept", args.Accept)
147 }
148 if args.Agent != "" {
149 req.Header.Set("User-Agent", args.Agent)
150 }
151 if signGets {
152 var ki *KeyInfo
153 ok := ziggies.Get(userid, &ki)
154 if ok {
155 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
156 }
157 }
158 if args.Timeout != 0 {
159 ctx, cancel := context.WithTimeout(context.Background(), args.Timeout)
160 defer cancel()
161 req = req.WithContext(ctx)
162 }
163 resp, err := client.Do(req)
164 if err != nil {
165 return nil, err
166 }
167 defer resp.Body.Close()
168
169 if resp.StatusCode != 200 {
170 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
171 }
172 return junk.Read(resp.Body)
173}
174
175func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
176 client := http.DefaultClient
177 if develMode {
178 client = develClient
179 }
180 fn := func() (interface{}, error) {
181 at := thefakename
182 if strings.Contains(url, ".well-known/webfinger?resource") {
183 at = "application/jrd+json"
184 }
185 j, err := junkGet(userid, url, junk.GetArgs{
186 Accept: at,
187 Agent: "honksnonk/5.0; " + serverName,
188 Timeout: timeout,
189 Client: client,
190 })
191 return j, err
192 }
193
194 ji, err := flightdeck.Call(url, fn)
195 if err != nil {
196 return nil, err
197 }
198 j := ji.(junk.Junk)
199 return j, nil
200}
201
202func fetchsome(url string) ([]byte, error) {
203 client := http.DefaultClient
204 if develMode {
205 client = develClient
206 }
207 req, err := http.NewRequest("GET", url, nil)
208 if err != nil {
209 ilog.Printf("error fetching %s: %s", url, err)
210 return nil, err
211 }
212 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
213 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
214 defer cancel()
215 req = req.WithContext(ctx)
216 resp, err := client.Do(req)
217 if err != nil {
218 ilog.Printf("error fetching %s: %s", url, err)
219 return nil, err
220 }
221 defer resp.Body.Close()
222 switch resp.StatusCode {
223 case 200:
224 case 201:
225 case 202:
226 default:
227 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
228 }
229 var buf bytes.Buffer
230 limiter := io.LimitReader(resp.Body, 10*1024*1024)
231 io.Copy(&buf, limiter)
232 return buf.Bytes(), nil
233}
234
235func savedonk(url string, name, desc, media string, localize bool) *Donk {
236 if url == "" {
237 return nil
238 }
239 if donk := finddonk(url); donk != nil {
240 return donk
241 }
242 ilog.Printf("saving donk: %s", url)
243 data := []byte{}
244 if localize {
245 fn := func() (interface{}, error) {
246 return fetchsome(url)
247 }
248 ii, err := flightdeck.Call(url, fn)
249 if err != nil {
250 ilog.Printf("error fetching donk: %s", err)
251 localize = false
252 goto saveit
253 }
254 data = ii.([]byte)
255
256 if len(data) == 10*1024*1024 {
257 ilog.Printf("truncation likely")
258 }
259 if strings.HasPrefix(media, "image") {
260 img, err := shrinkit(data)
261 if err != nil {
262 ilog.Printf("unable to decode image: %s", err)
263 localize = false
264 data = []byte{}
265 goto saveit
266 }
267 data = img.Data
268 media = "image/" + img.Format
269 } else if media == "application/pdf" {
270 if len(data) > 1000000 {
271 ilog.Printf("not saving large pdf")
272 localize = false
273 data = []byte{}
274 }
275 } else if len(data) > 100000 {
276 ilog.Printf("not saving large attachment")
277 localize = false
278 data = []byte{}
279 }
280 }
281saveit:
282 fileid, err := savefile(name, desc, url, media, localize, data)
283 if err != nil {
284 elog.Printf("error saving file %s: %s", url, err)
285 return nil
286 }
287 donk := new(Donk)
288 donk.FileID = fileid
289 return donk
290}
291
292func iszonked(userid int64, xid string) bool {
293 var id int64
294 row := stmtFindZonk.QueryRow(userid, xid)
295 err := row.Scan(&id)
296 if err == nil {
297 return true
298 }
299 if err != sql.ErrNoRows {
300 ilog.Printf("error querying zonk: %s", err)
301 }
302 return false
303}
304
305func needxonk(user *WhatAbout, x *Honk) bool {
306 if rejectxonk(x) {
307 return false
308 }
309 return needxonkid(user, x.XID)
310}
311func needbonkid(user *WhatAbout, xid string) bool {
312 return needxonkidX(user, xid, true)
313}
314func needxonkid(user *WhatAbout, xid string) bool {
315 return needxonkidX(user, xid, false)
316}
317func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
318 if !strings.HasPrefix(xid, "https://") {
319 return false
320 }
321 if strings.HasPrefix(xid, user.URL+"/") {
322 return false
323 }
324 if rejectorigin(user.ID, xid, isannounce) {
325 ilog.Printf("rejecting origin: %s", xid)
326 return false
327 }
328 if iszonked(user.ID, xid) {
329 ilog.Printf("already zonked: %s", xid)
330 return false
331 }
332 var id int64
333 row := stmtFindXonk.QueryRow(user.ID, xid)
334 err := row.Scan(&id)
335 if err == nil {
336 return false
337 }
338 if err != sql.ErrNoRows {
339 ilog.Printf("error querying xonk: %s", err)
340 }
341 return true
342}
343
344func eradicatexonk(userid int64, xid string) {
345 xonk := getxonk(userid, xid)
346 if xonk != nil {
347 deletehonk(xonk.ID)
348 }
349 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
350 if err != nil {
351 elog.Printf("error eradicating: %s", err)
352 }
353}
354
355func savexonk(x *Honk) {
356 ilog.Printf("saving xonk: %s", x.XID)
357 go handles(x.Honker)
358 go handles(x.Oonker)
359 savehonk(x)
360}
361
362type Box struct {
363 In string
364 Out string
365 Shared string
366}
367
368var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
369 var info string
370 row := stmtGetXonker.QueryRow(ident, "boxes")
371 err := row.Scan(&info)
372 if err != nil {
373 dlog.Printf("need to get boxes for %s", ident)
374 var j junk.Junk
375 j, err = GetJunk(readyLuserOne, ident)
376 if err != nil {
377 dlog.Printf("error getting boxes: %s", err)
378 return nil, false
379 }
380 allinjest(originate(ident), j)
381 row = stmtGetXonker.QueryRow(ident, "boxes")
382 err = row.Scan(&info)
383 }
384 if err == nil {
385 m := strings.Split(info, " ")
386 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
387 return b, true
388 }
389 return nil, false
390}})
391
392func gimmexonks(user *WhatAbout, outbox string) {
393 dlog.Printf("getting outbox: %s", outbox)
394 j, err := GetJunk(user.ID, outbox)
395 if err != nil {
396 ilog.Printf("error getting outbox: %s", err)
397 return
398 }
399 t, _ := j.GetString("type")
400 origin := originate(outbox)
401 if t == "OrderedCollection" {
402 items, _ := j.GetArray("orderedItems")
403 if items == nil {
404 items, _ = j.GetArray("items")
405 }
406 if items == nil {
407 obj, ok := j.GetMap("first")
408 if ok {
409 items, _ = obj.GetArray("orderedItems")
410 } else {
411 page1, ok := j.GetString("first")
412 if ok {
413 j, err = GetJunk(user.ID, page1)
414 if err != nil {
415 ilog.Printf("error getting page1: %s", err)
416 return
417 }
418 items, _ = j.GetArray("orderedItems")
419 }
420 }
421 }
422 if len(items) > 20 {
423 items = items[0:20]
424 }
425 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
426 items[i], items[j] = items[j], items[i]
427 }
428 for _, item := range items {
429 obj, ok := item.(junk.Junk)
430 if ok {
431 xonksaver(user, obj, origin)
432 continue
433 }
434 xid, ok := item.(string)
435 if ok {
436 if !needxonkid(user, xid) {
437 continue
438 }
439 obj, err = GetJunk(user.ID, xid)
440 if err != nil {
441 ilog.Printf("error getting item: %s", err)
442 continue
443 }
444 xonksaver(user, obj, originate(xid))
445 }
446 }
447 }
448}
449
450func newphone(a []string, obj junk.Junk) []string {
451 for _, addr := range []string{"to", "cc", "attributedTo"} {
452 who, _ := obj.GetString(addr)
453 if who != "" {
454 a = append(a, who)
455 }
456 whos, _ := obj.GetArray(addr)
457 for _, w := range whos {
458 who, _ := w.(string)
459 if who != "" {
460 a = append(a, who)
461 }
462 }
463 }
464 return a
465}
466
467func extractattrto(obj junk.Junk) string {
468 who, _ := obj.GetString("attributedTo")
469 if who != "" {
470 return who
471 }
472 o, ok := obj.GetMap("attributedTo")
473 if ok {
474 id, ok := o.GetString("id")
475 if ok {
476 return id
477 }
478 }
479 arr, _ := obj.GetArray("attributedTo")
480 for _, a := range arr {
481 o, ok := a.(junk.Junk)
482 if ok {
483 t, _ := o.GetString("type")
484 id, _ := o.GetString("id")
485 if t == "Person" || t == "" {
486 return id
487 }
488 }
489 s, ok := a.(string)
490 if ok {
491 return s
492 }
493 }
494 return ""
495}
496
497func firstofmany(obj junk.Junk, key string) string {
498 if val, _ := obj.GetString(key); val != "" {
499 return val
500 }
501 if arr, _ := obj.GetArray(key); len(arr) > 0 {
502 val, ok := arr[0].(string)
503 if ok {
504 return val
505 }
506 }
507 return ""
508}
509
510var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
511var re_masto1ink = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
512var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
513var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
514var re_romalink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
515var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
516
517func qutify(user *WhatAbout, content string) string {
518 mlinks := re_qtlinks.FindAllString(content, -1)
519 for _, m := range mlinks {
520 m = m[1 : len(m)-1]
521 dlog.Printf("consider qt: %s", m)
522 if re_mast0link.MatchString(m) ||
523 re_masto1ink.MatchString(m) ||
524 re_misslink.MatchString(m) ||
525 re_honklink.MatchString(m) ||
526 re_romalink.MatchString(m) {
527 j, err := GetJunk(user.ID, m)
528 dlog.Printf("fetched %s: %s", m, err)
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 switch what {
577 case "Delete":
578 obj, ok = item.GetMap("object")
579 if ok {
580 xid, _ = obj.GetString("id")
581 } else {
582 xid, _ = item.GetString("object")
583 }
584 if xid == "" {
585 return nil
586 }
587 if originate(xid) != origin {
588 ilog.Printf("forged delete: %s", xid)
589 return nil
590 }
591 ilog.Printf("eradicating %s", xid)
592 eradicatexonk(user.ID, xid)
593 return nil
594 case "Remove":
595 xid, _ = item.GetString("object")
596 targ, _ := obj.GetString("target")
597 ilog.Printf("remove %s from %s", obj, targ)
598 return nil
599 case "Tombstone":
600 xid, _ = item.GetString("id")
601 if xid == "" {
602 return nil
603 }
604 if originate(xid) != origin {
605 ilog.Printf("forged delete: %s", xid)
606 return nil
607 }
608 ilog.Printf("eradicating %s", xid)
609 eradicatexonk(user.ID, xid)
610 return nil
611 case "Announce":
612 obj, ok = item.GetMap("object")
613 if ok {
614 xid, _ = obj.GetString("id")
615 } else {
616 xid, _ = item.GetString("object")
617 }
618 if !needbonkid(user, xid) {
619 return nil
620 }
621 dlog.Printf("getting bonk: %s", xid)
622 obj, err = GetJunkHardMode(user.ID, xid)
623 if err != nil {
624 ilog.Printf("error getting bonk: %s: %s", xid, err)
625 }
626 origin = originate(xid)
627 what = "bonk"
628 case "Update":
629 isUpdate = true
630 fallthrough
631 case "Create":
632 obj, ok = item.GetMap("object")
633 if !ok {
634 xid, _ = item.GetString("object")
635 dlog.Printf("getting created honk: %s", xid)
636 if originate(xid) != origin {
637 ilog.Printf("out of bounds %s not from %s", xid, origin)
638 return nil
639 }
640 obj, err = GetJunkHardMode(user.ID, xid)
641 if err != nil {
642 ilog.Printf("error getting creation: %s", err)
643 }
644 }
645 if obj == nil {
646 ilog.Printf("no object for creation %s", id)
647 return nil
648 }
649 return xonkxonkfn(obj, origin, isUpdate)
650 case "Read":
651 xid, ok = item.GetString("object")
652 if ok {
653 if !needxonkid(user, xid) {
654 dlog.Printf("don't need read obj: %s", xid)
655 return nil
656 }
657 obj, err = GetJunkHardMode(user.ID, xid)
658 if err != nil {
659 ilog.Printf("error getting read: %s", err)
660 return nil
661 }
662 return xonkxonkfn(obj, originate(xid), false)
663 }
664 return nil
665 case "Add":
666 xid, ok = item.GetString("object")
667 if ok {
668 // check target...
669 if !needxonkid(user, xid) {
670 dlog.Printf("don't need added obj: %s", xid)
671 return nil
672 }
673 obj, err = GetJunkHardMode(user.ID, xid)
674 if err != nil {
675 ilog.Printf("error getting add: %s", err)
676 return nil
677 }
678 return xonkxonkfn(obj, originate(xid), false)
679 }
680 return nil
681 case "Move":
682 obj = item
683 what = "move"
684 case "Page":
685 waspage = true
686 fallthrough
687 case "GuessWord": // dealt with below
688 fallthrough
689 case "Audio":
690 fallthrough
691 case "Image":
692 fallthrough
693 case "Video":
694 fallthrough
695 case "Question":
696 fallthrough
697 case "Note":
698 fallthrough
699 case "Article":
700 obj = item
701 what = "honk"
702 case "Event":
703 obj = item
704 what = "event"
705 case "ChatMessage":
706 obj = item
707 what = "chonk"
708 default:
709 ilog.Printf("unknown activity: %s", what)
710 dumpactivity(item)
711 return nil
712 }
713
714 if obj != nil {
715 xid, _ = obj.GetString("id")
716 }
717
718 if xid == "" {
719 ilog.Printf("don't know what xid is")
720 item.Write(ilog.Writer())
721 return nil
722 }
723 if originate(xid) != origin {
724 if !develMode && origin != "" {
725 ilog.Printf("original sin: %s not from %s", xid, origin)
726 item.Write(ilog.Writer())
727 return nil
728 }
729 }
730
731 var xonk Honk
732 // early init
733 xonk.XID = xid
734 xonk.UserID = user.ID
735 xonk.Honker, _ = item.GetString("actor")
736 if xonk.Honker == "" {
737 xonk.Honker, _ = item.GetString("attributedTo")
738 }
739 if obj != nil {
740 if xonk.Honker == "" {
741 xonk.Honker = extractattrto(obj)
742 }
743 xonk.Oonker = extractattrto(obj)
744 if xonk.Oonker == xonk.Honker {
745 xonk.Oonker = ""
746 }
747 xonk.Audience = newphone(nil, obj)
748 }
749 xonk.Audience = append(xonk.Audience, xonk.Honker)
750 xonk.Audience = oneofakind(xonk.Audience)
751 xonk.Public = loudandproud(xonk.Audience)
752
753 var mentions []Mention
754 if obj != nil {
755 ot, _ := obj.GetString("type")
756 url, _ = obj.GetString("url")
757 if dt2, ok := obj.GetString("published"); ok {
758 dt = dt2
759 }
760 content, _ := obj.GetString("content")
761 if !strings.HasPrefix(content, "<p>") {
762 content = "<p>" + content
763 }
764 precis, _ := obj.GetString("summary")
765 if name, ok := obj.GetString("name"); ok {
766 if precis != "" {
767 content = precis + "<p>" + content
768 }
769 precis = html.EscapeString(name)
770 }
771 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
772 precis = "unspecified horror"
773 }
774 if waspage {
775 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
776 url = xid
777 }
778 content = qutify(user, content)
779 rid, ok = obj.GetString("inReplyTo")
780 if !ok {
781 if robj, ok := obj.GetMap("inReplyTo"); ok {
782 rid, _ = robj.GetString("id")
783 }
784 }
785 convoy, _ = obj.GetString("context")
786 if convoy == "" {
787 convoy, _ = obj.GetString("conversation")
788 }
789 if ot == "Question" {
790 if what == "honk" {
791 what = "qonk"
792 }
793 content += "<ul>"
794 ans, _ := obj.GetArray("oneOf")
795 for _, ai := range ans {
796 a, ok := ai.(junk.Junk)
797 if !ok {
798 continue
799 }
800 as, _ := a.GetString("name")
801 content += "<li>" + as
802 }
803 ans, _ = obj.GetArray("anyOf")
804 for _, ai := range ans {
805 a, ok := ai.(junk.Junk)
806 if !ok {
807 continue
808 }
809 as, _ := a.GetString("name")
810 content += "<li>" + as
811 }
812 content += "</ul>"
813 }
814 if ot == "Move" {
815 targ, _ := obj.GetString("target")
816 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
817 }
818 if ot == "GuessWord" {
819 what = "wonk"
820 content, _ = obj.GetString("content")
821 xonk.Wonkles, _ = obj.GetString("wordlist")
822 go savewonkles(xonk.Wonkles)
823 }
824 if what == "honk" && rid != "" {
825 what = "tonk"
826 }
827 if len(content) > 90001 {
828 ilog.Printf("content too long. truncating")
829 content = content[:90001]
830 }
831
832 xonk.Noise = content
833 xonk.Precis = precis
834 if rejectxonk(&xonk) {
835 dlog.Printf("fast reject: %s", xid)
836 return nil
837 }
838
839 numatts := 0
840 procatt := func(att junk.Junk) {
841 at, _ := att.GetString("type")
842 mt, _ := att.GetString("mediaType")
843 u, ok := att.GetString("url")
844 if !ok {
845 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
846 u, ok = ua[0].(string)
847 if !ok {
848 if uu, ok := ua[0].(junk.Junk); ok {
849 u, _ = uu.GetString("href")
850 if mt == "" {
851 mt, _ = uu.GetString("mediaType")
852 }
853 }
854 }
855 } else if uu, ok := att.GetMap("url"); ok {
856 u, _ = uu.GetString("href")
857 if mt == "" {
858 mt, _ = uu.GetString("mediaType")
859 }
860 }
861 }
862 name, _ := att.GetString("name")
863 desc, _ := att.GetString("summary")
864 desc = html.UnescapeString(desc)
865 if desc == "" {
866 desc = name
867 }
868 localize := false
869 if numatts > 4 {
870 ilog.Printf("excessive attachment: %s", at)
871 } else if at == "Document" || at == "Image" {
872 mt = strings.ToLower(mt)
873 dlog.Printf("attachment: %s %s", mt, u)
874 if mt == "text/plain" || mt == "application/pdf" ||
875 strings.HasPrefix(mt, "image") {
876 localize = true
877 }
878 } else {
879 ilog.Printf("unknown attachment: %s", at)
880 }
881 if skipMedia(&xonk) {
882 localize = false
883 }
884 donk := savedonk(u, name, desc, mt, localize)
885 if donk != nil {
886 xonk.Donks = append(xonk.Donks, donk)
887 }
888 numatts++
889 }
890 atts, _ := obj.GetArray("attachment")
891 for _, atti := range atts {
892 att, ok := atti.(junk.Junk)
893 if !ok {
894 ilog.Printf("attachment that wasn't map?")
895 continue
896 }
897 procatt(att)
898 }
899 if att, ok := obj.GetMap("attachment"); ok {
900 procatt(att)
901 }
902 tags, _ := obj.GetArray("tag")
903 for _, tagi := range tags {
904 tag, ok := tagi.(junk.Junk)
905 if !ok {
906 continue
907 }
908 tt, _ := tag.GetString("type")
909 name, _ := tag.GetString("name")
910 desc, _ := tag.GetString("summary")
911 desc = html.UnescapeString(desc)
912 if desc == "" {
913 desc = name
914 }
915 if tt == "Emoji" {
916 icon, _ := tag.GetMap("icon")
917 mt, _ := icon.GetString("mediaType")
918 if mt == "" {
919 mt = "image/png"
920 }
921 u, _ := icon.GetString("url")
922 donk := savedonk(u, name, desc, mt, true)
923 if donk != nil {
924 xonk.Donks = append(xonk.Donks, donk)
925 }
926 }
927 if tt == "Hashtag" {
928 if name == "" || name == "#" {
929 // skip it
930 } else {
931 if name[0] != '#' {
932 name = "#" + name
933 }
934 xonk.Onts = append(xonk.Onts, name)
935 }
936 }
937 if tt == "Place" {
938 p := new(Place)
939 p.Name = name
940 p.Latitude, _ = tag.GetNumber("latitude")
941 p.Longitude, _ = tag.GetNumber("longitude")
942 p.Url, _ = tag.GetString("url")
943 xonk.Place = p
944 }
945 if tt == "Mention" {
946 var m Mention
947 m.Who, _ = tag.GetString("name")
948 m.Where, _ = tag.GetString("href")
949 mentions = append(mentions, m)
950 }
951 }
952 if starttime, ok := obj.GetString("startTime"); ok {
953 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
954 t := new(Time)
955 t.StartTime = start
956 endtime, _ := obj.GetString("endTime")
957 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
958 dura, _ := obj.GetString("duration")
959 if strings.HasPrefix(dura, "PT") {
960 dura = strings.ToLower(dura[2:])
961 d, _ := time.ParseDuration(dura)
962 t.Duration = Duration(d)
963 }
964 xonk.Time = t
965 }
966 }
967 if loca, ok := obj.GetMap("location"); ok {
968 if tt, _ := loca.GetString("type"); tt == "Place" {
969 p := new(Place)
970 p.Name, _ = loca.GetString("name")
971 p.Latitude, _ = loca.GetNumber("latitude")
972 p.Longitude, _ = loca.GetNumber("longitude")
973 p.Url, _ = loca.GetString("url")
974 xonk.Place = p
975 }
976 }
977
978 xonk.Onts = oneofakind(xonk.Onts)
979 replyobj, ok := obj.GetMap("replies")
980 if ok {
981 items, ok := replyobj.GetArray("items")
982 if !ok {
983 first, ok := replyobj.GetMap("first")
984 if ok {
985 items, _ = first.GetArray("items")
986 }
987 }
988 for _, repl := range items {
989 s, ok := repl.(string)
990 if ok {
991 replies = append(replies, s)
992 }
993 }
994 }
995
996 }
997
998 if currenttid == "" {
999 currenttid = convoy
1000 }
1001
1002 // init xonk
1003 xonk.What = what
1004 xonk.RID = rid
1005 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1006 xonk.URL = url
1007 xonk.Format = "html"
1008 xonk.Convoy = convoy
1009 xonk.Mentions = mentions
1010 for _, m := range mentions {
1011 if m.Where == user.URL {
1012 xonk.Whofore = 1
1013 }
1014 }
1015 imaginate(&xonk)
1016
1017 if what == "chonk" {
1018 ch := Chonk{
1019 UserID: xonk.UserID,
1020 XID: xid,
1021 Who: xonk.Honker,
1022 Target: xonk.Honker,
1023 Date: xonk.Date,
1024 Noise: xonk.Noise,
1025 Format: xonk.Format,
1026 Donks: xonk.Donks,
1027 }
1028 savechonk(&ch)
1029 return nil
1030 }
1031
1032 if isUpdate {
1033 dlog.Printf("something has changed! %s", xonk.XID)
1034 prev := getxonk(user.ID, xonk.XID)
1035 if prev == nil {
1036 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1037 isUpdate = false
1038 } else {
1039 xonk.ID = prev.ID
1040 updatehonk(&xonk)
1041 }
1042 }
1043 if !isUpdate && needxonk(user, &xonk) {
1044 if rid != "" && xonk.Public {
1045 if needxonkid(user, rid) {
1046 goingup++
1047 saveonemore(rid)
1048 goingup--
1049 }
1050 if convoy == "" {
1051 xx := getxonk(user.ID, rid)
1052 if xx != nil {
1053 convoy = xx.Convoy
1054 }
1055 }
1056 }
1057 if convoy == "" {
1058 convoy = currenttid
1059 }
1060 if convoy == "" {
1061 convoy = "data:,missing-" + xfiltrate()
1062 currenttid = convoy
1063 }
1064 xonk.Convoy = convoy
1065 savexonk(&xonk)
1066 }
1067 if goingup == 0 {
1068 for _, replid := range replies {
1069 if needxonkid(user, replid) {
1070 dlog.Printf("missing a reply: %s", replid)
1071 saveonemore(replid)
1072 }
1073 }
1074 }
1075 return &xonk
1076 }
1077
1078 return xonkxonkfn(item, origin, false)
1079}
1080
1081func dumpactivity(item junk.Junk) {
1082 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1083 if err != nil {
1084 elog.Printf("error opening inbox! %s", err)
1085 return
1086 }
1087 defer fd.Close()
1088 item.Write(fd)
1089 io.WriteString(fd, "\n")
1090}
1091
1092func rubadubdub(user *WhatAbout, req junk.Junk) {
1093 actor, _ := req.GetString("actor")
1094 j := junk.New()
1095 j["@context"] = itiswhatitis
1096 j["id"] = user.URL + "/dub/" + xfiltrate()
1097 j["type"] = "Accept"
1098 j["actor"] = user.URL
1099 j["to"] = actor
1100 j["published"] = time.Now().UTC().Format(time.RFC3339)
1101 j["object"] = req
1102
1103 deliverate(0, user.ID, actor, j.ToBytes(), true)
1104}
1105
1106func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1107 j := junk.New()
1108 j["@context"] = itiswhatitis
1109 j["id"] = user.URL + "/unsub/" + folxid
1110 j["type"] = "Undo"
1111 j["actor"] = user.URL
1112 j["to"] = owner
1113 f := junk.New()
1114 f["id"] = user.URL + "/sub/" + folxid
1115 f["type"] = "Follow"
1116 f["actor"] = user.URL
1117 f["to"] = owner
1118 f["object"] = xid
1119 j["object"] = f
1120 j["published"] = time.Now().UTC().Format(time.RFC3339)
1121
1122 deliverate(0, user.ID, owner, j.ToBytes(), true)
1123}
1124
1125func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1126 if xid == "" {
1127 ilog.Printf("can't subscribe to empty")
1128 return
1129 }
1130 j := junk.New()
1131 j["@context"] = itiswhatitis
1132 j["id"] = user.URL + "/sub/" + folxid
1133 j["type"] = "Follow"
1134 j["actor"] = user.URL
1135 j["to"] = owner
1136 j["object"] = xid
1137 j["published"] = time.Now().UTC().Format(time.RFC3339)
1138
1139 deliverate(0, user.ID, owner, j.ToBytes(), true)
1140}
1141
1142func activatedonks(donks []*Donk) []junk.Junk {
1143 var atts []junk.Junk
1144 for _, d := range donks {
1145 if re_emus.MatchString(d.Name) {
1146 continue
1147 }
1148 jd := junk.New()
1149 jd["mediaType"] = d.Media
1150 jd["name"] = d.Name
1151 jd["summary"] = html.EscapeString(d.Desc)
1152 jd["type"] = "Document"
1153 jd["url"] = d.URL
1154 atts = append(atts, jd)
1155 }
1156 return atts
1157}
1158
1159// returns activity, object
1160func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1161 dt := h.Date.Format(time.RFC3339)
1162 var jo junk.Junk
1163 j := junk.New()
1164 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1165 j["actor"] = user.URL
1166 j["published"] = dt
1167 j["to"] = h.Audience[0]
1168 if len(h.Audience) > 1 {
1169 j["cc"] = h.Audience[1:]
1170 }
1171
1172 switch h.What {
1173 case "update":
1174 fallthrough
1175 case "tonk":
1176 fallthrough
1177 case "event":
1178 fallthrough
1179 case "wonk":
1180 fallthrough
1181 case "honk":
1182 j["type"] = "Create"
1183 jo = junk.New()
1184 jo["id"] = h.XID
1185 jo["type"] = "Note"
1186 if h.What == "event" {
1187 jo["type"] = "Event"
1188 } else if h.What == "wonk" {
1189 jo["type"] = "GuessWord"
1190 }
1191 if h.What == "update" {
1192 j["type"] = "Update"
1193 jo["updated"] = dt
1194 }
1195 jo["published"] = dt
1196 jo["url"] = h.XID
1197 jo["attributedTo"] = user.URL
1198 if h.RID != "" {
1199 jo["inReplyTo"] = h.RID
1200 }
1201 if h.Convoy != "" {
1202 jo["context"] = h.Convoy
1203 jo["conversation"] = h.Convoy
1204 }
1205 jo["to"] = h.Audience[0]
1206 if len(h.Audience) > 1 {
1207 jo["cc"] = h.Audience[1:]
1208 }
1209 if !h.Public {
1210 jo["directMessage"] = true
1211 }
1212 translate(h)
1213 redoimages(h)
1214 if h.Precis != "" {
1215 jo["sensitive"] = true
1216 }
1217
1218 var replies []string
1219 for _, reply := range h.Replies {
1220 replies = append(replies, reply.XID)
1221 }
1222 if len(replies) > 0 {
1223 jr := junk.New()
1224 jr["type"] = "Collection"
1225 jr["totalItems"] = len(replies)
1226 jr["items"] = replies
1227 jo["replies"] = jr
1228 }
1229
1230 var tags []junk.Junk
1231 for _, m := range h.Mentions {
1232 t := junk.New()
1233 t["type"] = "Mention"
1234 t["name"] = m.Who
1235 t["href"] = m.Where
1236 tags = append(tags, t)
1237 }
1238 for _, o := range h.Onts {
1239 t := junk.New()
1240 t["type"] = "Hashtag"
1241 o = strings.ToLower(o)
1242 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1243 t["name"] = o
1244 tags = append(tags, t)
1245 }
1246 for _, e := range herdofemus(h.Noise) {
1247 t := junk.New()
1248 t["id"] = e.ID
1249 t["type"] = "Emoji"
1250 t["name"] = e.Name
1251 i := junk.New()
1252 i["type"] = "Image"
1253 i["mediaType"] = e.Type
1254 i["url"] = e.ID
1255 t["icon"] = i
1256 tags = append(tags, t)
1257 }
1258 for _, e := range fixupflags(h) {
1259 t := junk.New()
1260 t["id"] = e.ID
1261 t["type"] = "Emoji"
1262 t["name"] = e.Name
1263 i := junk.New()
1264 i["type"] = "Image"
1265 i["mediaType"] = "image/png"
1266 i["url"] = e.ID
1267 t["icon"] = i
1268 tags = append(tags, t)
1269 }
1270 if len(tags) > 0 {
1271 jo["tag"] = tags
1272 }
1273 if p := h.Place; p != nil {
1274 t := junk.New()
1275 t["type"] = "Place"
1276 if p.Name != "" {
1277 t["name"] = p.Name
1278 }
1279 if p.Latitude != 0 {
1280 t["latitude"] = p.Latitude
1281 }
1282 if p.Longitude != 0 {
1283 t["longitude"] = p.Longitude
1284 }
1285 if p.Url != "" {
1286 t["url"] = p.Url
1287 }
1288 jo["location"] = t
1289 }
1290 if t := h.Time; t != nil {
1291 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1292 if t.Duration != 0 {
1293 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1294 }
1295 }
1296 if w := h.Wonkles; w != "" {
1297 jo["wordlist"] = w
1298 }
1299 atts := activatedonks(h.Donks)
1300 if len(atts) > 0 {
1301 jo["attachment"] = atts
1302 }
1303 jo["summary"] = html.EscapeString(h.Precis)
1304 jo["content"] = h.Noise
1305 j["object"] = jo
1306 case "bonk":
1307 j["type"] = "Announce"
1308 if h.Convoy != "" {
1309 j["context"] = h.Convoy
1310 }
1311 j["object"] = h.XID
1312 case "unbonk":
1313 b := junk.New()
1314 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1315 b["type"] = "Announce"
1316 b["actor"] = user.URL
1317 if h.Convoy != "" {
1318 b["context"] = h.Convoy
1319 }
1320 b["object"] = h.XID
1321 j["type"] = "Undo"
1322 j["object"] = b
1323 case "zonk":
1324 j["type"] = "Delete"
1325 j["object"] = h.XID
1326 case "ack":
1327 j["type"] = "Read"
1328 j["object"] = h.XID
1329 if h.Convoy != "" {
1330 j["context"] = h.Convoy
1331 }
1332 case "react":
1333 j["type"] = "EmojiReact"
1334 j["object"] = h.XID
1335 if h.Convoy != "" {
1336 j["context"] = h.Convoy
1337 }
1338 j["content"] = h.Noise
1339 case "deack":
1340 b := junk.New()
1341 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1342 b["type"] = "Read"
1343 b["actor"] = user.URL
1344 b["object"] = h.XID
1345 if h.Convoy != "" {
1346 b["context"] = h.Convoy
1347 }
1348 j["type"] = "Undo"
1349 j["object"] = b
1350 }
1351
1352 return j, jo
1353}
1354
1355var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1356 row := stmtAnyXonk.QueryRow(xid)
1357 honk := scanhonk(row)
1358 if honk == nil || !honk.Public {
1359 return nil, true
1360 }
1361 user, _ := butwhatabout(honk.Username)
1362 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1363 reversehonks(rawhonks)
1364 for _, h := range rawhonks {
1365 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1366 honk.Replies = append(honk.Replies, h)
1367 }
1368 }
1369 donksforhonks([]*Honk{honk})
1370 _, j := jonkjonk(user, honk)
1371 if j == nil {
1372 elog.Fatalf("what just happened? %v", honk)
1373 }
1374 j["@context"] = itiswhatitis
1375
1376 return j.ToBytes(), true
1377}, Limit: 128})
1378
1379func gimmejonk(xid string) ([]byte, bool) {
1380 var j []byte
1381 ok := oldjonks.Get(xid, &j)
1382 return j, ok
1383}
1384
1385func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1386 rcpts := make(map[string]bool)
1387 for _, a := range addresses {
1388 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1389 continue
1390 }
1391 if a[0] == '%' {
1392 rcpts[a] = true
1393 continue
1394 }
1395 var box *Box
1396 ok := boxofboxes.Get(a, &box)
1397 if ok && useshared && box.Shared != "" {
1398 rcpts["%"+box.Shared] = true
1399 } else {
1400 rcpts[a] = true
1401 }
1402 }
1403 return rcpts
1404}
1405
1406func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1407 dt := ch.Date.Format(time.RFC3339)
1408 aud := []string{ch.Target}
1409
1410 jo := junk.New()
1411 jo["id"] = ch.XID
1412 jo["type"] = "ChatMessage"
1413 jo["published"] = dt
1414 jo["attributedTo"] = user.URL
1415 jo["to"] = aud
1416 jo["content"] = ch.HTML
1417 atts := activatedonks(ch.Donks)
1418 if len(atts) > 0 {
1419 jo["attachment"] = atts
1420 }
1421 var tags []junk.Junk
1422 for _, e := range herdofemus(ch.Noise) {
1423 t := junk.New()
1424 t["id"] = e.ID
1425 t["type"] = "Emoji"
1426 t["name"] = e.Name
1427 i := junk.New()
1428 i["type"] = "Image"
1429 i["mediaType"] = e.Type
1430 i["url"] = e.ID
1431 t["icon"] = i
1432 tags = append(tags, t)
1433 }
1434 if len(tags) > 0 {
1435 jo["tag"] = tags
1436 }
1437
1438 j := junk.New()
1439 j["@context"] = itiswhatitis
1440 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1441 j["type"] = "Create"
1442 j["actor"] = user.URL
1443 j["published"] = dt
1444 j["to"] = aud
1445 j["object"] = jo
1446
1447 return j.ToBytes()
1448}
1449
1450func sendchonk(user *WhatAbout, ch *Chonk) {
1451 msg := chonkifymsg(user, ch)
1452
1453 rcpts := make(map[string]bool)
1454 rcpts[ch.Target] = true
1455 for a := range rcpts {
1456 go deliverate(0, user.ID, a, msg, true)
1457 }
1458}
1459
1460func honkworldwide(user *WhatAbout, honk *Honk) {
1461 jonk, _ := jonkjonk(user, honk)
1462 jonk["@context"] = itiswhatitis
1463 msg := jonk.ToBytes()
1464
1465 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1466
1467 if honk.Public {
1468 for _, h := range getdubs(user.ID) {
1469 if h.XID == user.URL {
1470 continue
1471 }
1472 var box *Box
1473 ok := boxofboxes.Get(h.XID, &box)
1474 if ok && box.Shared != "" {
1475 rcpts["%"+box.Shared] = true
1476 } else {
1477 rcpts[h.XID] = true
1478 }
1479 }
1480 for _, f := range getbacktracks(honk.XID) {
1481 if f[0] == '%' {
1482 rcpts[f] = true
1483 } else {
1484 var box *Box
1485 ok := boxofboxes.Get(f, &box)
1486 if ok && box.Shared != "" {
1487 rcpts["%"+box.Shared] = true
1488 } else {
1489 rcpts[f] = true
1490 }
1491 }
1492 }
1493 }
1494 for a := range rcpts {
1495 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1496 }
1497 if honk.Public && len(honk.Onts) > 0 {
1498 collectiveaction(honk)
1499 }
1500}
1501
1502func doesitmatter(what string) bool {
1503 switch what {
1504 case "ack":
1505 return false
1506 case "react":
1507 return false
1508 case "deack":
1509 return false
1510 }
1511 return true
1512}
1513
1514func collectiveaction(honk *Honk) {
1515 user := getserveruser()
1516 for _, ont := range honk.Onts {
1517 dubs := getnameddubs(readyLuserOne, ont)
1518 if len(dubs) == 0 {
1519 continue
1520 }
1521 j := junk.New()
1522 j["@context"] = itiswhatitis
1523 j["type"] = "Add"
1524 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1525 j["actor"] = user.URL
1526 j["object"] = honk.XID
1527 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1528 rcpts := make(map[string]bool)
1529 for _, dub := range dubs {
1530 var box *Box
1531 ok := boxofboxes.Get(dub.XID, &box)
1532 if ok && box.Shared != "" {
1533 rcpts["%"+box.Shared] = true
1534 } else {
1535 rcpts[dub.XID] = true
1536 }
1537 }
1538 msg := j.ToBytes()
1539 for a := range rcpts {
1540 go deliverate(0, user.ID, a, msg, false)
1541 }
1542 }
1543}
1544
1545func junkuser(user *WhatAbout) junk.Junk {
1546 j := junk.New()
1547 j["@context"] = itiswhatitis
1548 j["id"] = user.URL
1549 j["inbox"] = user.URL + "/inbox"
1550 j["outbox"] = user.URL + "/outbox"
1551 j["name"] = user.Display
1552 j["preferredUsername"] = user.Name
1553 j["summary"] = user.HTAbout
1554 var tags []junk.Junk
1555 for _, o := range user.Onts {
1556 t := junk.New()
1557 t["type"] = "Hashtag"
1558 o = strings.ToLower(o)
1559 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1560 t["name"] = o
1561 tags = append(tags, t)
1562 }
1563 if len(tags) > 0 {
1564 j["tag"] = tags
1565 }
1566
1567 if user.ID > 0 {
1568 j["type"] = "Person"
1569 j["url"] = user.URL
1570 j["followers"] = user.URL + "/followers"
1571 j["following"] = user.URL + "/following"
1572 a := junk.New()
1573 a["type"] = "Image"
1574 a["mediaType"] = "image/png"
1575 if ava := user.Options.Avatar; ava != "" {
1576 a["url"] = ava
1577 } else {
1578 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1579 a["url"] = u
1580 }
1581 j["icon"] = a
1582 if ban := user.Options.Banner; ban != "" {
1583 a := junk.New()
1584 a["type"] = "Image"
1585 a["mediaType"] = "image/jpg"
1586 a["url"] = ban
1587 j["image"] = a
1588 }
1589 } else {
1590 j["type"] = "Service"
1591 }
1592 k := junk.New()
1593 k["id"] = user.URL + "#key"
1594 k["owner"] = user.URL
1595 k["publicKeyPem"] = user.Key
1596 j["publicKey"] = k
1597
1598 return j
1599}
1600
1601var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1602 user, err := butwhatabout(name)
1603 if err != nil {
1604 return nil, false
1605 }
1606 var buf bytes.Buffer
1607 j := junkuser(user)
1608 j.Write(&buf)
1609 return buf.Bytes(), true
1610}, Duration: 1 * time.Minute})
1611
1612func asjonker(name string) ([]byte, bool) {
1613 var j []byte
1614 ok := oldjonkers.Get(name, &j)
1615 return j, ok
1616}
1617
1618var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1619 m := strings.Split(name, "@")
1620 if len(m) != 2 {
1621 dlog.Printf("bad fish name: %s", name)
1622 return "", true
1623 }
1624 var href string
1625 row := stmtGetXonker.QueryRow(name, "fishname")
1626 err := row.Scan(&href)
1627 if err == nil {
1628 return href, true
1629 }
1630 dlog.Printf("fishing for %s", name)
1631 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1632 if err != nil {
1633 ilog.Printf("failed to go fish %s: %s", name, err)
1634 return "", true
1635 }
1636 links, _ := j.GetArray("links")
1637 for _, li := range links {
1638 l, ok := li.(junk.Junk)
1639 if !ok {
1640 continue
1641 }
1642 href, _ := l.GetString("href")
1643 rel, _ := l.GetString("rel")
1644 t, _ := l.GetString("type")
1645 if rel == "self" && friendorfoe(t) {
1646 when := time.Now().UTC().Format(dbtimeformat)
1647 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1648 if err != nil {
1649 elog.Printf("error saving fishname: %s", err)
1650 }
1651 return href, true
1652 }
1653 }
1654 return href, true
1655}, Duration: 1 * time.Minute})
1656
1657func gofish(name string) string {
1658 if name[0] == '@' {
1659 name = name[1:]
1660 }
1661 var href string
1662 handfull.Get(name, &href)
1663 return href
1664}
1665
1666func investigate(name string) (*SomeThing, error) {
1667 if name == "" {
1668 return nil, fmt.Errorf("no name")
1669 }
1670 if name[0] == '@' {
1671 name = gofish(name)
1672 }
1673 if name == "" {
1674 return nil, fmt.Errorf("no name")
1675 }
1676 obj, err := GetJunkFast(readyLuserOne, name)
1677 if err != nil {
1678 return nil, err
1679 }
1680 allinjest(originate(name), obj)
1681 return somethingabout(obj)
1682}
1683
1684func somethingabout(obj junk.Junk) (*SomeThing, error) {
1685 info := new(SomeThing)
1686 t, _ := obj.GetString("type")
1687 switch t {
1688 case "Person":
1689 fallthrough
1690 case "Organization":
1691 fallthrough
1692 case "Application":
1693 fallthrough
1694 case "Service":
1695 info.What = SomeActor
1696 case "OrderedCollection":
1697 fallthrough
1698 case "Collection":
1699 info.What = SomeCollection
1700 default:
1701 return nil, fmt.Errorf("unknown object type")
1702 }
1703 info.XID, _ = obj.GetString("id")
1704 info.Name, _ = obj.GetString("preferredUsername")
1705 if info.Name == "" {
1706 info.Name, _ = obj.GetString("name")
1707 }
1708 info.Owner, _ = obj.GetString("attributedTo")
1709 if info.Owner == "" {
1710 info.Owner = info.XID
1711 }
1712 return info, nil
1713}
1714
1715func allinjest(origin string, obj junk.Junk) {
1716 keyobj, ok := obj.GetMap("publicKey")
1717 if ok {
1718 ingestpubkey(origin, keyobj)
1719 }
1720 ingestboxes(origin, obj)
1721 ingesthandle(origin, obj)
1722}
1723
1724func ingestpubkey(origin string, obj junk.Junk) {
1725 keyobj, ok := obj.GetMap("publicKey")
1726 if ok {
1727 obj = keyobj
1728 }
1729 keyname, ok := obj.GetString("id")
1730 var data string
1731 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1732 err := row.Scan(&data)
1733 if err == nil {
1734 return
1735 }
1736 if !ok || origin != originate(keyname) {
1737 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1738 return
1739 }
1740 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1741 owner, ok := obj.GetString("owner")
1742 if !ok {
1743 ilog.Printf("error finding %s pubkey owner", keyname)
1744 return
1745 }
1746 data, ok = obj.GetString("publicKeyPem")
1747 if !ok {
1748 ilog.Printf("error finding %s pubkey", keyname)
1749 return
1750 }
1751 if originate(owner) != origin {
1752 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1753 return
1754 }
1755 _, _, err = httpsig.DecodeKey(data)
1756 if err != nil {
1757 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1758 return
1759 }
1760 when := time.Now().UTC().Format(dbtimeformat)
1761 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1762 if err != nil {
1763 elog.Printf("error saving key: %s", err)
1764 }
1765}
1766
1767func ingestboxes(origin string, obj junk.Junk) {
1768 ident, _ := obj.GetString("id")
1769 if ident == "" {
1770 return
1771 }
1772 if originate(ident) != origin {
1773 return
1774 }
1775 var info string
1776 row := stmtGetXonker.QueryRow(ident, "boxes")
1777 err := row.Scan(&info)
1778 if err == nil {
1779 return
1780 }
1781 dlog.Printf("ingesting boxes: %s", ident)
1782 inbox, _ := obj.GetString("inbox")
1783 outbox, _ := obj.GetString("outbox")
1784 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1785 if inbox != "" {
1786 when := time.Now().UTC().Format(dbtimeformat)
1787 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1788 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1789 if err != nil {
1790 elog.Printf("error saving boxes: %s", err)
1791 }
1792 }
1793}
1794
1795func ingesthandle(origin string, obj junk.Junk) {
1796 xid, _ := obj.GetString("id")
1797 if xid == "" {
1798 return
1799 }
1800 if originate(xid) != origin {
1801 return
1802 }
1803 var handle string
1804 row := stmtGetXonker.QueryRow(xid, "handle")
1805 err := row.Scan(&handle)
1806 if err == nil {
1807 return
1808 }
1809 handle, _ = obj.GetString("preferredUsername")
1810 if handle != "" {
1811 when := time.Now().UTC().Format(dbtimeformat)
1812 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1813 if err != nil {
1814 elog.Printf("error saving handle: %s", err)
1815 }
1816 }
1817}
1818
1819func updateMe(username string) {
1820 var user *WhatAbout
1821 somenamedusers.Get(username, &user)
1822 dt := time.Now().UTC().Format(time.RFC3339)
1823 j := junk.New()
1824 j["@context"] = itiswhatitis
1825 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1826 j["actor"] = user.URL
1827 j["published"] = dt
1828 j["to"] = thewholeworld
1829 j["type"] = "Update"
1830 j["object"] = junkuser(user)
1831
1832 msg := j.ToBytes()
1833
1834 rcpts := make(map[string]bool)
1835 for _, f := range getdubs(user.ID) {
1836 if f.XID == user.URL {
1837 continue
1838 }
1839 var box *Box
1840 boxofboxes.Get(f.XID, &box)
1841 if box != nil && box.Shared != "" {
1842 rcpts["%"+box.Shared] = true
1843 } else {
1844 rcpts[f.XID] = true
1845 }
1846 }
1847 for a := range rcpts {
1848 go deliverate(0, user.ID, a, msg, false)
1849 }
1850}
1851
1852func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1853 folxid, _ := j.GetString("id")
1854
1855 ilog.Printf("updating honker follow: %s %s", who, folxid)
1856
1857 var x string
1858 db := opendatabase()
1859 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1860 err := row.Scan(&x)
1861 if err != sql.ErrNoRows {
1862 ilog.Printf("duplicate follow request: %s", who)
1863 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1864 if err != nil {
1865 elog.Printf("error updating honker: %s", err)
1866 }
1867 } else {
1868 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1869 }
1870 go rubadubdub(user, j)
1871}
1872
1873func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1874 var folxid string
1875 if who == "" {
1876 folxid, _ = j.GetString("object")
1877
1878 db := opendatabase()
1879 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1880 err := row.Scan(&who, &name)
1881 if err != nil {
1882 if err != sql.ErrNoRows {
1883 elog.Printf("error scanning honker: %s", err)
1884 }
1885 return
1886 }
1887 }
1888
1889 ilog.Printf("updating honker undo: %s %s", who, folxid)
1890 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1891 if err != nil {
1892 elog.Printf("error updating honker: %s", err)
1893 return
1894 }
1895}
1896
1897func followyou(user *WhatAbout, honkerid int64) {
1898 var url, owner string
1899 db := opendatabase()
1900 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1901 honkerid, user.ID)
1902 err := row.Scan(&url, &owner)
1903 if err != nil {
1904 elog.Printf("can't get honker xid: %s", err)
1905 return
1906 }
1907 folxid := xfiltrate()
1908 ilog.Printf("subscribing to %s", url)
1909 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1910 if err != nil {
1911 elog.Printf("error updating honker: %s", err)
1912 return
1913 }
1914 go subsub(user, url, owner, folxid)
1915
1916}
1917func unfollowyou(user *WhatAbout, honkerid int64) {
1918 db := opendatabase()
1919 row := db.QueryRow("select xid, owner, folxid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1920 honkerid, user.ID)
1921 var url, owner, folxid string
1922 err := row.Scan(&url, &owner, &folxid)
1923 if err != nil {
1924 elog.Printf("can't get honker xid: %s", err)
1925 return
1926 }
1927 ilog.Printf("unsubscribing from %s", url)
1928 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1929 if err != nil {
1930 elog.Printf("error updating honker: %s", err)
1931 return
1932 }
1933 go itakeitallback(user, url, owner, folxid)
1934}
1935
1936func followyou2(user *WhatAbout, j junk.Junk) {
1937 who, _ := j.GetString("actor")
1938
1939 ilog.Printf("updating honker accept: %s", who)
1940 db := opendatabase()
1941 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub')",
1942 user.ID, who)
1943 var name, folxid string
1944 err := row.Scan(&name, &folxid)
1945 if err != nil {
1946 elog.Printf("can't get honker name: %s", err)
1947 return
1948 }
1949 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1950 if err != nil {
1951 elog.Printf("error updating honker: %s", err)
1952 return
1953 }
1954}
1955
1956func nofollowyou2(user *WhatAbout, j junk.Junk) {
1957 who, _ := j.GetString("actor")
1958
1959 ilog.Printf("updating honker reject: %s", who)
1960 db := opendatabase()
1961 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1962 user.ID, who)
1963 var name, folxid string
1964 err := row.Scan(&name, &folxid)
1965 if err != nil {
1966 elog.Printf("can't get honker name: %s", err)
1967 return
1968 }
1969 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
1970 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
1971 if err != nil {
1972 elog.Printf("error updating honker: %s", err)
1973 return
1974 }
1975}