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_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
515var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
516var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
517
518func qutify(user *WhatAbout, content string) string {
519 // well this is gross
520 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
521 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
522 mlinks := re_qtlinks.FindAllString(malcontent, -1)
523 for _, m := range mlinks {
524 m = m[1 : len(m)-1]
525 if re_mast0link.MatchString(m) || re_masto1ink.MatchString(m) ||
526 re_misslink.MatchString(m) ||
527 re_honklink.MatchString(m) ||
528 re_r0malink.MatchString(m) || re_roma1ink.MatchString(m) {
529 j, err := GetJunk(user.ID, m)
530 if err == nil {
531 q, ok := j.GetString("content")
532 if ok {
533 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
534 }
535 }
536 }
537 }
538 return content
539}
540
541func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
542 depth := 0
543 maxdepth := 10
544 currenttid := ""
545 goingup := 0
546 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
547
548 saveonemore := func(xid string) {
549 dlog.Printf("getting onemore: %s", xid)
550 if depth >= maxdepth {
551 ilog.Printf("in too deep")
552 return
553 }
554 obj, err := GetJunkHardMode(user.ID, xid)
555 if err != nil {
556 ilog.Printf("error getting onemore: %s: %s", xid, err)
557 return
558 }
559 depth++
560 xonkxonkfn(obj, originate(xid), false)
561 depth--
562 }
563
564 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
565 id, _ := item.GetString("id")
566 what := firstofmany(item, "type")
567 dt, ok := item.GetString("published")
568 if !ok {
569 dt = time.Now().Format(time.RFC3339)
570 }
571
572 var err error
573 var xid, rid, url, convoy string
574 var replies []string
575 var obj junk.Junk
576 waspage := false
577 preferorig := false
578 switch what {
579 case "Delete":
580 obj, ok = item.GetMap("object")
581 if ok {
582 xid, _ = obj.GetString("id")
583 } else {
584 xid, _ = item.GetString("object")
585 }
586 if xid == "" {
587 return nil
588 }
589 if originate(xid) != origin {
590 ilog.Printf("forged delete: %s", xid)
591 return nil
592 }
593 ilog.Printf("eradicating %s", xid)
594 eradicatexonk(user.ID, xid)
595 return nil
596 case "Remove":
597 xid, _ = item.GetString("object")
598 targ, _ := obj.GetString("target")
599 ilog.Printf("remove %s from %s", obj, targ)
600 return nil
601 case "Tombstone":
602 xid, _ = item.GetString("id")
603 if xid == "" {
604 return nil
605 }
606 if originate(xid) != origin {
607 ilog.Printf("forged delete: %s", xid)
608 return nil
609 }
610 ilog.Printf("eradicating %s", xid)
611 eradicatexonk(user.ID, xid)
612 return nil
613 case "Announce":
614 obj, ok = item.GetMap("object")
615 if ok {
616 xid, _ = obj.GetString("id")
617 } else {
618 xid, _ = item.GetString("object")
619 }
620 if !needbonkid(user, xid) {
621 return nil
622 }
623 dlog.Printf("getting bonk: %s", xid)
624 obj, err = GetJunkHardMode(user.ID, xid)
625 if err != nil {
626 ilog.Printf("error getting bonk: %s: %s", xid, err)
627 }
628 origin = originate(xid)
629 what = "bonk"
630 case "Update":
631 isUpdate = true
632 fallthrough
633 case "Create":
634 obj, ok = item.GetMap("object")
635 if !ok {
636 xid, _ = item.GetString("object")
637 dlog.Printf("getting created honk: %s", xid)
638 if originate(xid) != origin {
639 ilog.Printf("out of bounds %s not from %s", xid, origin)
640 return nil
641 }
642 obj, err = GetJunkHardMode(user.ID, xid)
643 if err != nil {
644 ilog.Printf("error getting creation: %s", err)
645 }
646 }
647 if obj == nil {
648 ilog.Printf("no object for creation %s", id)
649 return nil
650 }
651 return xonkxonkfn(obj, origin, isUpdate)
652 case "Read":
653 xid, ok = item.GetString("object")
654 if ok {
655 if !needxonkid(user, xid) {
656 dlog.Printf("don't need read obj: %s", xid)
657 return nil
658 }
659 obj, err = GetJunkHardMode(user.ID, xid)
660 if err != nil {
661 ilog.Printf("error getting read: %s", err)
662 return nil
663 }
664 return xonkxonkfn(obj, originate(xid), false)
665 }
666 return nil
667 case "Add":
668 xid, ok = item.GetString("object")
669 if ok {
670 // check target...
671 if !needxonkid(user, xid) {
672 dlog.Printf("don't need added obj: %s", xid)
673 return nil
674 }
675 obj, err = GetJunkHardMode(user.ID, xid)
676 if err != nil {
677 ilog.Printf("error getting add: %s", err)
678 return nil
679 }
680 return xonkxonkfn(obj, originate(xid), false)
681 }
682 return nil
683 case "Move":
684 obj = item
685 what = "move"
686 case "Page":
687 waspage = true
688 fallthrough
689 case "Audio":
690 fallthrough
691 case "Image":
692 if what == "Image" {
693 preferorig = true
694 }
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 what == "honk" && rid != "" {
824 what = "tonk"
825 }
826 if len(content) > 90001 {
827 ilog.Printf("content too long. truncating")
828 content = content[:90001]
829 }
830
831 xonk.Noise = content
832 xonk.Precis = precis
833 if rejectxonk(&xonk) {
834 dlog.Printf("fast reject: %s", xid)
835 return nil
836 }
837
838 numatts := 0
839 procatt := func(att junk.Junk) {
840 at, _ := att.GetString("type")
841 mt, _ := att.GetString("mediaType")
842 if mt == "" {
843 mt = "image"
844 }
845 u, ok := att.GetString("url")
846 if !ok {
847 u, ok = att.GetString("href")
848 }
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 at == "Document" || at == "Image" {
875 mt = strings.ToLower(mt)
876 dlog.Printf("attachment: %s %s", mt, u)
877 if mt == "text/plain" || mt == "application/pdf" ||
878 strings.HasPrefix(mt, "image") {
879 if numatts > 4 {
880 ilog.Printf("excessive attachment: %s", at)
881 } else {
882 localize = true
883 }
884 }
885 } else {
886 ilog.Printf("unknown attachment: %s", at)
887 }
888 if skipMedia(&xonk) {
889 localize = false
890 }
891 if preferorig && !localize {
892 return
893 }
894 donk := savedonk(u, name, desc, mt, localize)
895 if donk != nil {
896 xonk.Donks = append(xonk.Donks, donk)
897 }
898 numatts++
899 }
900 if img, ok := obj.GetMap("image"); ok {
901 procatt(img)
902 }
903 if preferorig {
904 atts, _ := obj.GetArray("url")
905 for _, atti := range atts {
906 att, ok := atti.(junk.Junk)
907 if !ok {
908 ilog.Printf("attachment that wasn't map?")
909 continue
910 }
911 procatt(att)
912 }
913 if numatts == 0 {
914 preferorig = false
915 }
916 }
917 if !preferorig {
918 atts, _ := obj.GetArray("attachment")
919 for _, atti := range atts {
920 att, ok := atti.(junk.Junk)
921 if !ok {
922 ilog.Printf("attachment that wasn't map?")
923 continue
924 }
925 procatt(att)
926 }
927 if att, ok := obj.GetMap("attachment"); ok {
928 procatt(att)
929 }
930 }
931 tags, _ := obj.GetArray("tag")
932 for _, tagi := range tags {
933 tag, ok := tagi.(junk.Junk)
934 if !ok {
935 continue
936 }
937 tt, _ := tag.GetString("type")
938 name, _ := tag.GetString("name")
939 desc, _ := tag.GetString("summary")
940 desc = html.UnescapeString(desc)
941 if desc == "" {
942 desc = name
943 }
944 if tt == "Emoji" {
945 icon, _ := tag.GetMap("icon")
946 mt, _ := icon.GetString("mediaType")
947 if mt == "" {
948 mt = "image/png"
949 }
950 u, _ := icon.GetString("url")
951 donk := savedonk(u, name, desc, mt, true)
952 if donk != nil {
953 xonk.Donks = append(xonk.Donks, donk)
954 }
955 }
956 if tt == "Hashtag" {
957 if name == "" || name == "#" {
958 // skip it
959 } else {
960 if name[0] != '#' {
961 name = "#" + name
962 }
963 xonk.Onts = append(xonk.Onts, name)
964 }
965 }
966 if tt == "Place" {
967 p := new(Place)
968 p.Name = name
969 p.Latitude, _ = tag.GetNumber("latitude")
970 p.Longitude, _ = tag.GetNumber("longitude")
971 p.Url, _ = tag.GetString("url")
972 xonk.Place = p
973 }
974 if tt == "Mention" {
975 var m Mention
976 m.Who, _ = tag.GetString("name")
977 m.Where, _ = tag.GetString("href")
978 mentions = append(mentions, m)
979 }
980 }
981 if starttime, ok := obj.GetString("startTime"); ok {
982 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
983 t := new(Time)
984 t.StartTime = start
985 endtime, _ := obj.GetString("endTime")
986 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
987 dura, _ := obj.GetString("duration")
988 if strings.HasPrefix(dura, "PT") {
989 dura = strings.ToLower(dura[2:])
990 d, _ := time.ParseDuration(dura)
991 t.Duration = Duration(d)
992 }
993 xonk.Time = t
994 }
995 }
996 if loca, ok := obj.GetMap("location"); ok {
997 if tt, _ := loca.GetString("type"); tt == "Place" {
998 p := new(Place)
999 p.Name, _ = loca.GetString("name")
1000 p.Latitude, _ = loca.GetNumber("latitude")
1001 p.Longitude, _ = loca.GetNumber("longitude")
1002 p.Url, _ = loca.GetString("url")
1003 xonk.Place = p
1004 }
1005 }
1006
1007 xonk.Onts = oneofakind(xonk.Onts)
1008 replyobj, ok := obj.GetMap("replies")
1009 if ok {
1010 items, ok := replyobj.GetArray("items")
1011 if !ok {
1012 first, ok := replyobj.GetMap("first")
1013 if ok {
1014 items, _ = first.GetArray("items")
1015 }
1016 }
1017 for _, repl := range items {
1018 s, ok := repl.(string)
1019 if ok {
1020 replies = append(replies, s)
1021 }
1022 }
1023 }
1024
1025 }
1026
1027 if currenttid == "" {
1028 currenttid = convoy
1029 }
1030
1031 // init xonk
1032 xonk.What = what
1033 xonk.RID = rid
1034 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1035 xonk.URL = url
1036 xonk.Format = "html"
1037 xonk.Convoy = convoy
1038 xonk.Mentions = mentions
1039 for _, m := range mentions {
1040 if m.Where == user.URL {
1041 xonk.Whofore = 1
1042 }
1043 }
1044 imaginate(&xonk)
1045
1046 if what == "chonk" {
1047 ch := Chonk{
1048 UserID: xonk.UserID,
1049 XID: xid,
1050 Who: xonk.Honker,
1051 Target: xonk.Honker,
1052 Date: xonk.Date,
1053 Noise: xonk.Noise,
1054 Format: xonk.Format,
1055 Donks: xonk.Donks,
1056 }
1057 savechonk(&ch)
1058 return nil
1059 }
1060
1061 if isUpdate {
1062 dlog.Printf("something has changed! %s", xonk.XID)
1063 prev := getxonk(user.ID, xonk.XID)
1064 if prev == nil {
1065 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1066 isUpdate = false
1067 } else {
1068 xonk.ID = prev.ID
1069 updatehonk(&xonk)
1070 }
1071 }
1072 if !isUpdate && needxonk(user, &xonk) {
1073 if rid != "" && xonk.Public {
1074 if needxonkid(user, rid) {
1075 goingup++
1076 saveonemore(rid)
1077 goingup--
1078 }
1079 if convoy == "" {
1080 xx := getxonk(user.ID, rid)
1081 if xx != nil {
1082 convoy = xx.Convoy
1083 }
1084 }
1085 }
1086 if convoy == "" {
1087 convoy = currenttid
1088 }
1089 if convoy == "" {
1090 convoy = "data:,missing-" + xfiltrate()
1091 currenttid = convoy
1092 }
1093 xonk.Convoy = convoy
1094 savexonk(&xonk)
1095 }
1096 if goingup == 0 {
1097 for _, replid := range replies {
1098 if needxonkid(user, replid) {
1099 dlog.Printf("missing a reply: %s", replid)
1100 saveonemore(replid)
1101 }
1102 }
1103 }
1104 return &xonk
1105 }
1106
1107 return xonkxonkfn(item, origin, false)
1108}
1109
1110func dumpactivity(item junk.Junk) {
1111 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1112 if err != nil {
1113 elog.Printf("error opening inbox! %s", err)
1114 return
1115 }
1116 defer fd.Close()
1117 item.Write(fd)
1118 io.WriteString(fd, "\n")
1119}
1120
1121func rubadubdub(user *WhatAbout, req junk.Junk) {
1122 actor, _ := req.GetString("actor")
1123 j := junk.New()
1124 j["@context"] = itiswhatitis
1125 j["id"] = user.URL + "/dub/" + xfiltrate()
1126 j["type"] = "Accept"
1127 j["actor"] = user.URL
1128 j["to"] = actor
1129 j["published"] = time.Now().UTC().Format(time.RFC3339)
1130 j["object"] = req
1131
1132 deliverate(0, user.ID, actor, j.ToBytes(), true)
1133}
1134
1135func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1136 j := junk.New()
1137 j["@context"] = itiswhatitis
1138 j["id"] = user.URL + "/unsub/" + folxid
1139 j["type"] = "Undo"
1140 j["actor"] = user.URL
1141 j["to"] = owner
1142 f := junk.New()
1143 f["id"] = user.URL + "/sub/" + folxid
1144 f["type"] = "Follow"
1145 f["actor"] = user.URL
1146 f["to"] = owner
1147 f["object"] = xid
1148 j["object"] = f
1149 j["published"] = time.Now().UTC().Format(time.RFC3339)
1150
1151 deliverate(0, user.ID, owner, j.ToBytes(), true)
1152}
1153
1154func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1155 if xid == "" {
1156 ilog.Printf("can't subscribe to empty")
1157 return
1158 }
1159 j := junk.New()
1160 j["@context"] = itiswhatitis
1161 j["id"] = user.URL + "/sub/" + folxid
1162 j["type"] = "Follow"
1163 j["actor"] = user.URL
1164 j["to"] = owner
1165 j["object"] = xid
1166 j["published"] = time.Now().UTC().Format(time.RFC3339)
1167
1168 deliverate(0, user.ID, owner, j.ToBytes(), true)
1169}
1170
1171func activatedonks(donks []*Donk) []junk.Junk {
1172 var atts []junk.Junk
1173 for _, d := range donks {
1174 if re_emus.MatchString(d.Name) {
1175 continue
1176 }
1177 jd := junk.New()
1178 jd["mediaType"] = d.Media
1179 jd["name"] = d.Name
1180 jd["summary"] = html.EscapeString(d.Desc)
1181 jd["type"] = "Document"
1182 jd["url"] = d.URL
1183 atts = append(atts, jd)
1184 }
1185 return atts
1186}
1187
1188// returns activity, object
1189func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1190 dt := h.Date.Format(time.RFC3339)
1191 var jo junk.Junk
1192 j := junk.New()
1193 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1194 j["actor"] = user.URL
1195 j["published"] = dt
1196 j["to"] = h.Audience[0]
1197 if len(h.Audience) > 1 {
1198 j["cc"] = h.Audience[1:]
1199 }
1200
1201 switch h.What {
1202 case "update":
1203 fallthrough
1204 case "tonk":
1205 fallthrough
1206 case "event":
1207 fallthrough
1208 case "honk":
1209 j["type"] = "Create"
1210 jo = junk.New()
1211 jo["id"] = h.XID
1212 jo["type"] = "Note"
1213 if h.What == "event" {
1214 jo["type"] = "Event"
1215 }
1216 if h.What == "update" {
1217 j["type"] = "Update"
1218 jo["updated"] = dt
1219 }
1220 jo["published"] = dt
1221 jo["url"] = h.XID
1222 jo["attributedTo"] = user.URL
1223 if h.RID != "" {
1224 jo["inReplyTo"] = h.RID
1225 }
1226 if h.Convoy != "" {
1227 jo["context"] = h.Convoy
1228 jo["conversation"] = h.Convoy
1229 }
1230 jo["to"] = h.Audience[0]
1231 if len(h.Audience) > 1 {
1232 jo["cc"] = h.Audience[1:]
1233 }
1234 if !h.Public {
1235 jo["directMessage"] = true
1236 }
1237 translate(h)
1238 redoimages(h)
1239 if h.Precis != "" {
1240 jo["sensitive"] = true
1241 }
1242
1243 var replies []string
1244 for _, reply := range h.Replies {
1245 replies = append(replies, reply.XID)
1246 }
1247 if len(replies) > 0 {
1248 jr := junk.New()
1249 jr["type"] = "Collection"
1250 jr["totalItems"] = len(replies)
1251 jr["items"] = replies
1252 jo["replies"] = jr
1253 }
1254
1255 var tags []junk.Junk
1256 for _, m := range h.Mentions {
1257 t := junk.New()
1258 t["type"] = "Mention"
1259 t["name"] = m.Who
1260 t["href"] = m.Where
1261 tags = append(tags, t)
1262 }
1263 for _, o := range h.Onts {
1264 t := junk.New()
1265 t["type"] = "Hashtag"
1266 o = strings.ToLower(o)
1267 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1268 t["name"] = o
1269 tags = append(tags, t)
1270 }
1271 for _, e := range herdofemus(h.Noise) {
1272 t := junk.New()
1273 t["id"] = e.ID
1274 t["type"] = "Emoji"
1275 t["name"] = e.Name
1276 i := junk.New()
1277 i["type"] = "Image"
1278 i["mediaType"] = e.Type
1279 i["url"] = e.ID
1280 t["icon"] = i
1281 tags = append(tags, t)
1282 }
1283 for _, e := range fixupflags(h) {
1284 t := junk.New()
1285 t["id"] = e.ID
1286 t["type"] = "Emoji"
1287 t["name"] = e.Name
1288 i := junk.New()
1289 i["type"] = "Image"
1290 i["mediaType"] = "image/png"
1291 i["url"] = e.ID
1292 t["icon"] = i
1293 tags = append(tags, t)
1294 }
1295 if len(tags) > 0 {
1296 jo["tag"] = tags
1297 }
1298 if p := h.Place; p != nil {
1299 t := junk.New()
1300 t["type"] = "Place"
1301 if p.Name != "" {
1302 t["name"] = p.Name
1303 }
1304 if p.Latitude != 0 {
1305 t["latitude"] = p.Latitude
1306 }
1307 if p.Longitude != 0 {
1308 t["longitude"] = p.Longitude
1309 }
1310 if p.Url != "" {
1311 t["url"] = p.Url
1312 }
1313 jo["location"] = t
1314 }
1315 if t := h.Time; t != nil {
1316 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1317 if t.Duration != 0 {
1318 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1319 }
1320 }
1321 atts := activatedonks(h.Donks)
1322 if len(atts) > 0 {
1323 jo["attachment"] = atts
1324 }
1325 jo["summary"] = h.Precis
1326 jo["content"] = h.Noise
1327 j["object"] = jo
1328 case "bonk":
1329 j["type"] = "Announce"
1330 if h.Convoy != "" {
1331 j["context"] = h.Convoy
1332 }
1333 j["object"] = h.XID
1334 case "unbonk":
1335 b := junk.New()
1336 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1337 b["type"] = "Announce"
1338 b["actor"] = user.URL
1339 if h.Convoy != "" {
1340 b["context"] = h.Convoy
1341 }
1342 b["object"] = h.XID
1343 j["type"] = "Undo"
1344 j["object"] = b
1345 case "zonk":
1346 j["type"] = "Delete"
1347 j["object"] = h.XID
1348 case "ack":
1349 j["type"] = "Read"
1350 j["object"] = h.XID
1351 if h.Convoy != "" {
1352 j["context"] = h.Convoy
1353 }
1354 case "react":
1355 j["type"] = "EmojiReact"
1356 j["object"] = h.XID
1357 if h.Convoy != "" {
1358 j["context"] = h.Convoy
1359 }
1360 j["content"] = h.Noise
1361 case "deack":
1362 b := junk.New()
1363 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1364 b["type"] = "Read"
1365 b["actor"] = user.URL
1366 b["object"] = h.XID
1367 if h.Convoy != "" {
1368 b["context"] = h.Convoy
1369 }
1370 j["type"] = "Undo"
1371 j["object"] = b
1372 }
1373
1374 return j, jo
1375}
1376
1377var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1378 row := stmtAnyXonk.QueryRow(xid)
1379 honk := scanhonk(row)
1380 if honk == nil || !honk.Public {
1381 return nil, true
1382 }
1383 user, _ := butwhatabout(honk.Username)
1384 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1385 reversehonks(rawhonks)
1386 for _, h := range rawhonks {
1387 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1388 honk.Replies = append(honk.Replies, h)
1389 }
1390 }
1391 donksforhonks([]*Honk{honk})
1392 _, j := jonkjonk(user, honk)
1393 if j == nil {
1394 elog.Fatalf("what just happened? %v", honk)
1395 }
1396 j["@context"] = itiswhatitis
1397
1398 return j.ToBytes(), true
1399}, Limit: 128})
1400
1401func gimmejonk(xid string) ([]byte, bool) {
1402 var j []byte
1403 ok := oldjonks.Get(xid, &j)
1404 return j, ok
1405}
1406
1407func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1408 rcpts := make(map[string]bool)
1409 for _, a := range addresses {
1410 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1411 continue
1412 }
1413 if a[0] == '%' {
1414 rcpts[a] = true
1415 continue
1416 }
1417 var box *Box
1418 ok := boxofboxes.Get(a, &box)
1419 if ok && useshared && box.Shared != "" {
1420 rcpts["%"+box.Shared] = true
1421 } else {
1422 rcpts[a] = true
1423 }
1424 }
1425 return rcpts
1426}
1427
1428func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1429 dt := ch.Date.Format(time.RFC3339)
1430 aud := []string{ch.Target}
1431
1432 jo := junk.New()
1433 jo["id"] = ch.XID
1434 jo["type"] = "ChatMessage"
1435 jo["published"] = dt
1436 jo["attributedTo"] = user.URL
1437 jo["to"] = aud
1438 jo["content"] = ch.HTML
1439 atts := activatedonks(ch.Donks)
1440 if len(atts) > 0 {
1441 jo["attachment"] = atts
1442 }
1443 var tags []junk.Junk
1444 for _, e := range herdofemus(ch.Noise) {
1445 t := junk.New()
1446 t["id"] = e.ID
1447 t["type"] = "Emoji"
1448 t["name"] = e.Name
1449 i := junk.New()
1450 i["type"] = "Image"
1451 i["mediaType"] = e.Type
1452 i["url"] = e.ID
1453 t["icon"] = i
1454 tags = append(tags, t)
1455 }
1456 if len(tags) > 0 {
1457 jo["tag"] = tags
1458 }
1459
1460 j := junk.New()
1461 j["@context"] = itiswhatitis
1462 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1463 j["type"] = "Create"
1464 j["actor"] = user.URL
1465 j["published"] = dt
1466 j["to"] = aud
1467 j["object"] = jo
1468
1469 return j.ToBytes()
1470}
1471
1472func sendchonk(user *WhatAbout, ch *Chonk) {
1473 msg := chonkifymsg(user, ch)
1474
1475 rcpts := make(map[string]bool)
1476 rcpts[ch.Target] = true
1477 for a := range rcpts {
1478 go deliverate(0, user.ID, a, msg, true)
1479 }
1480}
1481
1482func honkworldwide(user *WhatAbout, honk *Honk) {
1483 jonk, _ := jonkjonk(user, honk)
1484 jonk["@context"] = itiswhatitis
1485 msg := jonk.ToBytes()
1486
1487 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1488
1489 if honk.Public {
1490 for _, h := range getdubs(user.ID) {
1491 if h.XID == user.URL {
1492 continue
1493 }
1494 var box *Box
1495 ok := boxofboxes.Get(h.XID, &box)
1496 if ok && box.Shared != "" {
1497 rcpts["%"+box.Shared] = true
1498 } else {
1499 rcpts[h.XID] = true
1500 }
1501 }
1502 for _, f := range getbacktracks(honk.XID) {
1503 if f[0] == '%' {
1504 rcpts[f] = true
1505 } else {
1506 var box *Box
1507 ok := boxofboxes.Get(f, &box)
1508 if ok && box.Shared != "" {
1509 rcpts["%"+box.Shared] = true
1510 } else {
1511 rcpts[f] = true
1512 }
1513 }
1514 }
1515 }
1516 for a := range rcpts {
1517 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1518 }
1519 if honk.Public && len(honk.Onts) > 0 {
1520 collectiveaction(honk)
1521 }
1522}
1523
1524func doesitmatter(what string) bool {
1525 switch what {
1526 case "ack":
1527 return false
1528 case "react":
1529 return false
1530 case "deack":
1531 return false
1532 }
1533 return true
1534}
1535
1536func collectiveaction(honk *Honk) {
1537 user := getserveruser()
1538 for _, ont := range honk.Onts {
1539 dubs := getnameddubs(readyLuserOne, ont)
1540 if len(dubs) == 0 {
1541 continue
1542 }
1543 j := junk.New()
1544 j["@context"] = itiswhatitis
1545 j["type"] = "Add"
1546 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1547 j["actor"] = user.URL
1548 j["object"] = honk.XID
1549 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1550 rcpts := make(map[string]bool)
1551 for _, dub := range dubs {
1552 var box *Box
1553 ok := boxofboxes.Get(dub.XID, &box)
1554 if ok && box.Shared != "" {
1555 rcpts["%"+box.Shared] = true
1556 } else {
1557 rcpts[dub.XID] = true
1558 }
1559 }
1560 msg := j.ToBytes()
1561 for a := range rcpts {
1562 go deliverate(0, user.ID, a, msg, false)
1563 }
1564 }
1565}
1566
1567func junkuser(user *WhatAbout) junk.Junk {
1568 j := junk.New()
1569 j["@context"] = itiswhatitis
1570 j["id"] = user.URL
1571 j["inbox"] = user.URL + "/inbox"
1572 j["outbox"] = user.URL + "/outbox"
1573 j["name"] = user.Display
1574 j["preferredUsername"] = user.Name
1575 j["summary"] = user.HTAbout
1576 var tags []junk.Junk
1577 for _, o := range user.Onts {
1578 t := junk.New()
1579 t["type"] = "Hashtag"
1580 o = strings.ToLower(o)
1581 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1582 t["name"] = o
1583 tags = append(tags, t)
1584 }
1585 if len(tags) > 0 {
1586 j["tag"] = tags
1587 }
1588
1589 if user.ID > 0 {
1590 j["type"] = "Person"
1591 j["url"] = user.URL
1592 j["followers"] = user.URL + "/followers"
1593 j["following"] = user.URL + "/following"
1594 a := junk.New()
1595 a["type"] = "Image"
1596 a["mediaType"] = "image/png"
1597 if ava := user.Options.Avatar; ava != "" {
1598 a["url"] = ava
1599 } else {
1600 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1601 a["url"] = u
1602 }
1603 j["icon"] = a
1604 if ban := user.Options.Banner; ban != "" {
1605 a := junk.New()
1606 a["type"] = "Image"
1607 a["mediaType"] = "image/jpg"
1608 a["url"] = ban
1609 j["image"] = a
1610 }
1611 } else {
1612 j["type"] = "Service"
1613 }
1614 k := junk.New()
1615 k["id"] = user.URL + "#key"
1616 k["owner"] = user.URL
1617 k["publicKeyPem"] = user.Key
1618 j["publicKey"] = k
1619
1620 return j
1621}
1622
1623var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1624 user, err := butwhatabout(name)
1625 if err != nil {
1626 return nil, false
1627 }
1628 var buf bytes.Buffer
1629 j := junkuser(user)
1630 j.Write(&buf)
1631 return buf.Bytes(), true
1632}, Duration: 1 * time.Minute})
1633
1634func asjonker(name string) ([]byte, bool) {
1635 var j []byte
1636 ok := oldjonkers.Get(name, &j)
1637 return j, ok
1638}
1639
1640var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1641 m := strings.Split(name, "@")
1642 if len(m) != 2 {
1643 dlog.Printf("bad fish name: %s", name)
1644 return "", true
1645 }
1646 var href string
1647 row := stmtGetXonker.QueryRow(name, "fishname")
1648 err := row.Scan(&href)
1649 if err == nil {
1650 return href, true
1651 }
1652 dlog.Printf("fishing for %s", name)
1653 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1654 if err != nil {
1655 ilog.Printf("failed to go fish %s: %s", name, err)
1656 return "", true
1657 }
1658 links, _ := j.GetArray("links")
1659 for _, li := range links {
1660 l, ok := li.(junk.Junk)
1661 if !ok {
1662 continue
1663 }
1664 href, _ := l.GetString("href")
1665 rel, _ := l.GetString("rel")
1666 t, _ := l.GetString("type")
1667 if rel == "self" && friendorfoe(t) {
1668 when := time.Now().UTC().Format(dbtimeformat)
1669 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1670 if err != nil {
1671 elog.Printf("error saving fishname: %s", err)
1672 }
1673 return href, true
1674 }
1675 }
1676 return href, true
1677}, Duration: 1 * time.Minute})
1678
1679func gofish(name string) string {
1680 if name[0] == '@' {
1681 name = name[1:]
1682 }
1683 var href string
1684 handfull.Get(name, &href)
1685 return href
1686}
1687
1688func investigate(name string) (*SomeThing, error) {
1689 if name == "" {
1690 return nil, fmt.Errorf("no name")
1691 }
1692 if name[0] == '@' {
1693 name = gofish(name)
1694 }
1695 if name == "" {
1696 return nil, fmt.Errorf("no name")
1697 }
1698 obj, err := GetJunkFast(readyLuserOne, name)
1699 if err != nil {
1700 return nil, err
1701 }
1702 allinjest(originate(name), obj)
1703 return somethingabout(obj)
1704}
1705
1706func somethingabout(obj junk.Junk) (*SomeThing, error) {
1707 info := new(SomeThing)
1708 t, _ := obj.GetString("type")
1709 switch t {
1710 case "Person":
1711 fallthrough
1712 case "Organization":
1713 fallthrough
1714 case "Application":
1715 fallthrough
1716 case "Service":
1717 info.What = SomeActor
1718 case "OrderedCollection":
1719 fallthrough
1720 case "Collection":
1721 info.What = SomeCollection
1722 default:
1723 return nil, fmt.Errorf("unknown object type")
1724 }
1725 info.XID, _ = obj.GetString("id")
1726 info.Name, _ = obj.GetString("preferredUsername")
1727 if info.Name == "" {
1728 info.Name, _ = obj.GetString("name")
1729 }
1730 info.Owner, _ = obj.GetString("attributedTo")
1731 if info.Owner == "" {
1732 info.Owner = info.XID
1733 }
1734 return info, nil
1735}
1736
1737func allinjest(origin string, obj junk.Junk) {
1738 keyobj, ok := obj.GetMap("publicKey")
1739 if ok {
1740 ingestpubkey(origin, keyobj)
1741 }
1742 ingestboxes(origin, obj)
1743 ingesthandle(origin, obj)
1744}
1745
1746func ingestpubkey(origin string, obj junk.Junk) {
1747 keyobj, ok := obj.GetMap("publicKey")
1748 if ok {
1749 obj = keyobj
1750 }
1751 keyname, ok := obj.GetString("id")
1752 var data string
1753 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1754 err := row.Scan(&data)
1755 if err == nil {
1756 return
1757 }
1758 if !ok || origin != originate(keyname) {
1759 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1760 return
1761 }
1762 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1763 owner, ok := obj.GetString("owner")
1764 if !ok {
1765 ilog.Printf("error finding %s pubkey owner", keyname)
1766 return
1767 }
1768 data, ok = obj.GetString("publicKeyPem")
1769 if !ok {
1770 ilog.Printf("error finding %s pubkey", keyname)
1771 return
1772 }
1773 if originate(owner) != origin {
1774 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1775 return
1776 }
1777 _, _, err = httpsig.DecodeKey(data)
1778 if err != nil {
1779 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1780 return
1781 }
1782 when := time.Now().UTC().Format(dbtimeformat)
1783 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1784 if err != nil {
1785 elog.Printf("error saving key: %s", err)
1786 }
1787}
1788
1789func ingestboxes(origin string, obj junk.Junk) {
1790 ident, _ := obj.GetString("id")
1791 if ident == "" {
1792 return
1793 }
1794 if originate(ident) != origin {
1795 return
1796 }
1797 var info string
1798 row := stmtGetXonker.QueryRow(ident, "boxes")
1799 err := row.Scan(&info)
1800 if err == nil {
1801 return
1802 }
1803 dlog.Printf("ingesting boxes: %s", ident)
1804 inbox, _ := obj.GetString("inbox")
1805 outbox, _ := obj.GetString("outbox")
1806 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1807 if inbox != "" {
1808 when := time.Now().UTC().Format(dbtimeformat)
1809 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1810 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1811 if err != nil {
1812 elog.Printf("error saving boxes: %s", err)
1813 }
1814 }
1815}
1816
1817func ingesthandle(origin string, obj junk.Junk) {
1818 xid, _ := obj.GetString("id")
1819 if xid == "" {
1820 return
1821 }
1822 if originate(xid) != origin {
1823 return
1824 }
1825 var handle string
1826 row := stmtGetXonker.QueryRow(xid, "handle")
1827 err := row.Scan(&handle)
1828 if err == nil {
1829 return
1830 }
1831 handle, _ = obj.GetString("preferredUsername")
1832 if handle != "" {
1833 when := time.Now().UTC().Format(dbtimeformat)
1834 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1835 if err != nil {
1836 elog.Printf("error saving handle: %s", err)
1837 }
1838 }
1839}
1840
1841func updateMe(username string) {
1842 var user *WhatAbout
1843 somenamedusers.Get(username, &user)
1844 dt := time.Now().UTC().Format(time.RFC3339)
1845 j := junk.New()
1846 j["@context"] = itiswhatitis
1847 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1848 j["actor"] = user.URL
1849 j["published"] = dt
1850 j["to"] = thewholeworld
1851 j["type"] = "Update"
1852 j["object"] = junkuser(user)
1853
1854 msg := j.ToBytes()
1855
1856 rcpts := make(map[string]bool)
1857 for _, f := range getdubs(user.ID) {
1858 if f.XID == user.URL {
1859 continue
1860 }
1861 var box *Box
1862 boxofboxes.Get(f.XID, &box)
1863 if box != nil && box.Shared != "" {
1864 rcpts["%"+box.Shared] = true
1865 } else {
1866 rcpts[f.XID] = true
1867 }
1868 }
1869 for a := range rcpts {
1870 go deliverate(0, user.ID, a, msg, false)
1871 }
1872}
1873
1874func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1875 folxid, _ := j.GetString("id")
1876
1877 ilog.Printf("updating honker follow: %s %s", who, folxid)
1878
1879 var x string
1880 db := opendatabase()
1881 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1882 err := row.Scan(&x)
1883 if err != sql.ErrNoRows {
1884 ilog.Printf("duplicate follow request: %s", who)
1885 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1886 if err != nil {
1887 elog.Printf("error updating honker: %s", err)
1888 }
1889 } else {
1890 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1891 }
1892 go rubadubdub(user, j)
1893}
1894
1895func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1896 var folxid string
1897 if who == "" {
1898 folxid, _ = j.GetString("object")
1899
1900 db := opendatabase()
1901 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1902 err := row.Scan(&who, &name)
1903 if err != nil {
1904 if err != sql.ErrNoRows {
1905 elog.Printf("error scanning honker: %s", err)
1906 }
1907 return
1908 }
1909 }
1910
1911 ilog.Printf("updating honker undo: %s %s", who, folxid)
1912 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1913 if err != nil {
1914 elog.Printf("error updating honker: %s", err)
1915 return
1916 }
1917}
1918
1919func followyou(user *WhatAbout, honkerid int64, sync bool) {
1920 var url, owner string
1921 db := opendatabase()
1922 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1923 honkerid, user.ID)
1924 err := row.Scan(&url, &owner)
1925 if err != nil {
1926 elog.Printf("can't get honker xid: %s", err)
1927 return
1928 }
1929 folxid := xfiltrate()
1930 ilog.Printf("subscribing to %s", url)
1931 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1932 if err != nil {
1933 elog.Printf("error updating honker: %s", err)
1934 return
1935 }
1936 if sync {
1937 subsub(user, url, owner, folxid)
1938 } else {
1939 go subsub(user, url, owner, folxid)
1940 }
1941
1942}
1943func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1944 db := opendatabase()
1945 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1946 honkerid, user.ID)
1947 var url, owner, folxid, flavor string
1948 err := row.Scan(&url, &owner, &folxid, &flavor)
1949 if err != nil {
1950 elog.Printf("can't get honker xid: %s", err)
1951 return
1952 }
1953 if flavor == "peep" {
1954 return
1955 }
1956 ilog.Printf("unsubscribing from %s", url)
1957 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1958 if err != nil {
1959 elog.Printf("error updating honker: %s", err)
1960 return
1961 }
1962 if sync {
1963 itakeitallback(user, url, owner, folxid)
1964 } else {
1965 go itakeitallback(user, url, owner, folxid)
1966 }
1967}
1968
1969func followyou2(user *WhatAbout, j junk.Junk) {
1970 who, _ := j.GetString("actor")
1971
1972 ilog.Printf("updating honker accept: %s", who)
1973 db := opendatabase()
1974 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1975 user.ID, who)
1976 var name, folxid string
1977 err := row.Scan(&name, &folxid)
1978 if err != nil {
1979 elog.Printf("can't get honker name: %s", err)
1980 return
1981 }
1982 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1983 if err != nil {
1984 elog.Printf("error updating honker: %s", err)
1985 return
1986 }
1987}
1988
1989func nofollowyou2(user *WhatAbout, j junk.Junk) {
1990 who, _ := j.GetString("actor")
1991
1992 ilog.Printf("updating honker reject: %s", who)
1993 db := opendatabase()
1994 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1995 user.ID, who)
1996 var name, folxid string
1997 err := row.Scan(&name, &folxid)
1998 if err != nil {
1999 elog.Printf("can't get honker name: %s", err)
2000 return
2001 }
2002 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2003 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2004 if err != nil {
2005 elog.Printf("error updating honker: %s", err)
2006 return
2007 }
2008}