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