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 if at == "Link" {
886 if waspage {
887 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
888 return
889 }
890 if name == "" {
891 name = u
892 }
893 } else {
894 ilog.Printf("unknown attachment: %s", at)
895 }
896 if skipMedia(&xonk) {
897 localize = false
898 }
899 if preferorig && !localize {
900 return
901 }
902 donk := savedonk(u, name, desc, mt, localize)
903 if donk != nil {
904 xonk.Donks = append(xonk.Donks, donk)
905 }
906 numatts++
907 }
908 if img, ok := obj.GetMap("image"); ok {
909 procatt(img)
910 }
911 if preferorig {
912 atts, _ := obj.GetArray("url")
913 for _, atti := range atts {
914 att, ok := atti.(junk.Junk)
915 if !ok {
916 ilog.Printf("attachment that wasn't map?")
917 continue
918 }
919 procatt(att)
920 }
921 if numatts == 0 {
922 preferorig = false
923 }
924 }
925 if !preferorig {
926 atts, _ := obj.GetArray("attachment")
927 for _, atti := range atts {
928 att, ok := atti.(junk.Junk)
929 if !ok {
930 ilog.Printf("attachment that wasn't map?")
931 continue
932 }
933 procatt(att)
934 }
935 if att, ok := obj.GetMap("attachment"); ok {
936 procatt(att)
937 }
938 }
939 tags, _ := obj.GetArray("tag")
940 for _, tagi := range tags {
941 tag, ok := tagi.(junk.Junk)
942 if !ok {
943 continue
944 }
945 tt, _ := tag.GetString("type")
946 name, _ := tag.GetString("name")
947 desc, _ := tag.GetString("summary")
948 desc = html.UnescapeString(desc)
949 if desc == "" {
950 desc = name
951 }
952 if tt == "Emoji" {
953 icon, _ := tag.GetMap("icon")
954 mt, _ := icon.GetString("mediaType")
955 if mt == "" {
956 mt = "image/png"
957 }
958 u, _ := icon.GetString("url")
959 donk := savedonk(u, name, desc, mt, true)
960 if donk != nil {
961 xonk.Donks = append(xonk.Donks, donk)
962 }
963 }
964 if tt == "Hashtag" {
965 if name == "" || name == "#" {
966 // skip it
967 } else {
968 if name[0] != '#' {
969 name = "#" + name
970 }
971 xonk.Onts = append(xonk.Onts, name)
972 }
973 }
974 if tt == "Place" {
975 p := new(Place)
976 p.Name = name
977 p.Latitude, _ = tag.GetNumber("latitude")
978 p.Longitude, _ = tag.GetNumber("longitude")
979 p.Url, _ = tag.GetString("url")
980 xonk.Place = p
981 }
982 if tt == "Mention" {
983 var m Mention
984 m.Who, _ = tag.GetString("name")
985 m.Where, _ = tag.GetString("href")
986 mentions = append(mentions, m)
987 }
988 }
989 if starttime, ok := obj.GetString("startTime"); ok {
990 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
991 t := new(Time)
992 t.StartTime = start
993 endtime, _ := obj.GetString("endTime")
994 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
995 dura, _ := obj.GetString("duration")
996 if strings.HasPrefix(dura, "PT") {
997 dura = strings.ToLower(dura[2:])
998 d, _ := time.ParseDuration(dura)
999 t.Duration = Duration(d)
1000 }
1001 xonk.Time = t
1002 }
1003 }
1004 if loca, ok := obj.GetMap("location"); ok {
1005 if tt, _ := loca.GetString("type"); tt == "Place" {
1006 p := new(Place)
1007 p.Name, _ = loca.GetString("name")
1008 p.Latitude, _ = loca.GetNumber("latitude")
1009 p.Longitude, _ = loca.GetNumber("longitude")
1010 p.Url, _ = loca.GetString("url")
1011 xonk.Place = p
1012 }
1013 }
1014
1015 xonk.Onts = oneofakind(xonk.Onts)
1016 replyobj, ok := obj.GetMap("replies")
1017 if ok {
1018 items, ok := replyobj.GetArray("items")
1019 if !ok {
1020 first, ok := replyobj.GetMap("first")
1021 if ok {
1022 items, _ = first.GetArray("items")
1023 }
1024 }
1025 for _, repl := range items {
1026 s, ok := repl.(string)
1027 if ok {
1028 replies = append(replies, s)
1029 }
1030 }
1031 }
1032
1033 }
1034
1035 if currenttid == "" {
1036 currenttid = convoy
1037 }
1038
1039 // init xonk
1040 xonk.What = what
1041 xonk.RID = rid
1042 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1043 xonk.URL = url
1044 xonk.Format = "html"
1045 xonk.Convoy = convoy
1046 xonk.Mentions = mentions
1047 for _, m := range mentions {
1048 if m.Where == user.URL {
1049 xonk.Whofore = 1
1050 }
1051 }
1052 imaginate(&xonk)
1053
1054 if what == "chonk" {
1055 ch := Chonk{
1056 UserID: xonk.UserID,
1057 XID: xid,
1058 Who: xonk.Honker,
1059 Target: xonk.Honker,
1060 Date: xonk.Date,
1061 Noise: xonk.Noise,
1062 Format: xonk.Format,
1063 Donks: xonk.Donks,
1064 }
1065 savechonk(&ch)
1066 return nil
1067 }
1068
1069 if isUpdate {
1070 dlog.Printf("something has changed! %s", xonk.XID)
1071 prev := getxonk(user.ID, xonk.XID)
1072 if prev == nil {
1073 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1074 isUpdate = false
1075 } else {
1076 xonk.ID = prev.ID
1077 updatehonk(&xonk)
1078 }
1079 }
1080 if !isUpdate && needxonk(user, &xonk) {
1081 if rid != "" && xonk.Public {
1082 if needxonkid(user, rid) {
1083 goingup++
1084 saveonemore(rid)
1085 goingup--
1086 }
1087 if convoy == "" {
1088 xx := getxonk(user.ID, rid)
1089 if xx != nil {
1090 convoy = xx.Convoy
1091 }
1092 }
1093 }
1094 if convoy == "" {
1095 convoy = currenttid
1096 }
1097 if convoy == "" {
1098 convoy = "data:,missing-" + xfiltrate()
1099 currenttid = convoy
1100 }
1101 xonk.Convoy = convoy
1102 savexonk(&xonk)
1103 }
1104 if goingup == 0 {
1105 for _, replid := range replies {
1106 if needxonkid(user, replid) {
1107 dlog.Printf("missing a reply: %s", replid)
1108 saveonemore(replid)
1109 }
1110 }
1111 }
1112 return &xonk
1113 }
1114
1115 return xonkxonkfn(item, origin, false)
1116}
1117
1118func dumpactivity(item junk.Junk) {
1119 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1120 if err != nil {
1121 elog.Printf("error opening inbox! %s", err)
1122 return
1123 }
1124 defer fd.Close()
1125 item.Write(fd)
1126 io.WriteString(fd, "\n")
1127}
1128
1129func rubadubdub(user *WhatAbout, req junk.Junk) {
1130 actor, _ := req.GetString("actor")
1131 j := junk.New()
1132 j["@context"] = itiswhatitis
1133 j["id"] = user.URL + "/dub/" + xfiltrate()
1134 j["type"] = "Accept"
1135 j["actor"] = user.URL
1136 j["to"] = actor
1137 j["published"] = time.Now().UTC().Format(time.RFC3339)
1138 j["object"] = req
1139
1140 deliverate(0, user.ID, actor, j.ToBytes(), true)
1141}
1142
1143func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1144 j := junk.New()
1145 j["@context"] = itiswhatitis
1146 j["id"] = user.URL + "/unsub/" + folxid
1147 j["type"] = "Undo"
1148 j["actor"] = user.URL
1149 j["to"] = owner
1150 f := junk.New()
1151 f["id"] = user.URL + "/sub/" + folxid
1152 f["type"] = "Follow"
1153 f["actor"] = user.URL
1154 f["to"] = owner
1155 f["object"] = xid
1156 j["object"] = f
1157 j["published"] = time.Now().UTC().Format(time.RFC3339)
1158
1159 deliverate(0, user.ID, owner, j.ToBytes(), true)
1160}
1161
1162func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1163 if xid == "" {
1164 ilog.Printf("can't subscribe to empty")
1165 return
1166 }
1167 j := junk.New()
1168 j["@context"] = itiswhatitis
1169 j["id"] = user.URL + "/sub/" + folxid
1170 j["type"] = "Follow"
1171 j["actor"] = user.URL
1172 j["to"] = owner
1173 j["object"] = xid
1174 j["published"] = time.Now().UTC().Format(time.RFC3339)
1175
1176 deliverate(0, user.ID, owner, j.ToBytes(), true)
1177}
1178
1179func activatedonks(donks []*Donk) []junk.Junk {
1180 var atts []junk.Junk
1181 for _, d := range donks {
1182 if re_emus.MatchString(d.Name) {
1183 continue
1184 }
1185 jd := junk.New()
1186 jd["mediaType"] = d.Media
1187 jd["name"] = d.Name
1188 jd["summary"] = html.EscapeString(d.Desc)
1189 jd["type"] = "Document"
1190 jd["url"] = d.URL
1191 atts = append(atts, jd)
1192 }
1193 return atts
1194}
1195
1196// returns activity, object
1197func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1198 dt := h.Date.Format(time.RFC3339)
1199 var jo junk.Junk
1200 j := junk.New()
1201 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1202 j["actor"] = user.URL
1203 j["published"] = dt
1204 j["to"] = h.Audience[0]
1205 if len(h.Audience) > 1 {
1206 j["cc"] = h.Audience[1:]
1207 }
1208
1209 switch h.What {
1210 case "update":
1211 fallthrough
1212 case "tonk":
1213 fallthrough
1214 case "event":
1215 fallthrough
1216 case "honk":
1217 j["type"] = "Create"
1218 jo = junk.New()
1219 jo["id"] = h.XID
1220 jo["type"] = "Note"
1221 if h.What == "event" {
1222 jo["type"] = "Event"
1223 }
1224 if h.What == "update" {
1225 j["type"] = "Update"
1226 jo["updated"] = dt
1227 }
1228 jo["published"] = dt
1229 jo["url"] = h.XID
1230 jo["attributedTo"] = user.URL
1231 if h.RID != "" {
1232 jo["inReplyTo"] = h.RID
1233 }
1234 if h.Convoy != "" {
1235 jo["context"] = h.Convoy
1236 jo["conversation"] = h.Convoy
1237 }
1238 jo["to"] = h.Audience[0]
1239 if len(h.Audience) > 1 {
1240 jo["cc"] = h.Audience[1:]
1241 }
1242 if !h.Public {
1243 jo["directMessage"] = true
1244 }
1245 translate(h)
1246 redoimages(h)
1247 if h.Precis != "" {
1248 jo["sensitive"] = true
1249 }
1250
1251 var replies []string
1252 for _, reply := range h.Replies {
1253 replies = append(replies, reply.XID)
1254 }
1255 if len(replies) > 0 {
1256 jr := junk.New()
1257 jr["type"] = "Collection"
1258 jr["totalItems"] = len(replies)
1259 jr["items"] = replies
1260 jo["replies"] = jr
1261 }
1262
1263 var tags []junk.Junk
1264 for _, m := range h.Mentions {
1265 t := junk.New()
1266 t["type"] = "Mention"
1267 t["name"] = m.Who
1268 t["href"] = m.Where
1269 tags = append(tags, t)
1270 }
1271 for _, o := range h.Onts {
1272 t := junk.New()
1273 t["type"] = "Hashtag"
1274 o = strings.ToLower(o)
1275 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1276 t["name"] = o
1277 tags = append(tags, t)
1278 }
1279 for _, e := range herdofemus(h.Noise) {
1280 t := junk.New()
1281 t["id"] = e.ID
1282 t["type"] = "Emoji"
1283 t["name"] = e.Name
1284 i := junk.New()
1285 i["type"] = "Image"
1286 i["mediaType"] = e.Type
1287 i["url"] = e.ID
1288 t["icon"] = i
1289 tags = append(tags, t)
1290 }
1291 for _, e := range fixupflags(h) {
1292 t := junk.New()
1293 t["id"] = e.ID
1294 t["type"] = "Emoji"
1295 t["name"] = e.Name
1296 i := junk.New()
1297 i["type"] = "Image"
1298 i["mediaType"] = "image/png"
1299 i["url"] = e.ID
1300 t["icon"] = i
1301 tags = append(tags, t)
1302 }
1303 if len(tags) > 0 {
1304 jo["tag"] = tags
1305 }
1306 if p := h.Place; p != nil {
1307 t := junk.New()
1308 t["type"] = "Place"
1309 if p.Name != "" {
1310 t["name"] = p.Name
1311 }
1312 if p.Latitude != 0 {
1313 t["latitude"] = p.Latitude
1314 }
1315 if p.Longitude != 0 {
1316 t["longitude"] = p.Longitude
1317 }
1318 if p.Url != "" {
1319 t["url"] = p.Url
1320 }
1321 jo["location"] = t
1322 }
1323 if t := h.Time; t != nil {
1324 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1325 if t.Duration != 0 {
1326 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1327 }
1328 }
1329 atts := activatedonks(h.Donks)
1330 if len(atts) > 0 {
1331 jo["attachment"] = atts
1332 }
1333 jo["summary"] = h.Precis
1334 jo["content"] = h.Noise
1335 j["object"] = jo
1336 case "bonk":
1337 j["type"] = "Announce"
1338 if h.Convoy != "" {
1339 j["context"] = h.Convoy
1340 }
1341 j["object"] = h.XID
1342 case "unbonk":
1343 b := junk.New()
1344 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1345 b["type"] = "Announce"
1346 b["actor"] = user.URL
1347 if h.Convoy != "" {
1348 b["context"] = h.Convoy
1349 }
1350 b["object"] = h.XID
1351 j["type"] = "Undo"
1352 j["object"] = b
1353 case "zonk":
1354 j["type"] = "Delete"
1355 j["object"] = h.XID
1356 case "ack":
1357 j["type"] = "Read"
1358 j["object"] = h.XID
1359 if h.Convoy != "" {
1360 j["context"] = h.Convoy
1361 }
1362 case "react":
1363 j["type"] = "EmojiReact"
1364 j["object"] = h.XID
1365 if h.Convoy != "" {
1366 j["context"] = h.Convoy
1367 }
1368 j["content"] = h.Noise
1369 case "deack":
1370 b := junk.New()
1371 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1372 b["type"] = "Read"
1373 b["actor"] = user.URL
1374 b["object"] = h.XID
1375 if h.Convoy != "" {
1376 b["context"] = h.Convoy
1377 }
1378 j["type"] = "Undo"
1379 j["object"] = b
1380 }
1381
1382 return j, jo
1383}
1384
1385var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1386 row := stmtAnyXonk.QueryRow(xid)
1387 honk := scanhonk(row)
1388 if honk == nil || !honk.Public {
1389 return nil, true
1390 }
1391 user, _ := butwhatabout(honk.Username)
1392 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1393 reversehonks(rawhonks)
1394 for _, h := range rawhonks {
1395 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1396 honk.Replies = append(honk.Replies, h)
1397 }
1398 }
1399 donksforhonks([]*Honk{honk})
1400 _, j := jonkjonk(user, honk)
1401 if j == nil {
1402 elog.Fatalf("what just happened? %v", honk)
1403 }
1404 j["@context"] = itiswhatitis
1405
1406 return j.ToBytes(), true
1407}, Limit: 128})
1408
1409func gimmejonk(xid string) ([]byte, bool) {
1410 var j []byte
1411 ok := oldjonks.Get(xid, &j)
1412 return j, ok
1413}
1414
1415func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1416 rcpts := make(map[string]bool)
1417 for _, a := range addresses {
1418 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1419 continue
1420 }
1421 if a[0] == '%' {
1422 rcpts[a] = true
1423 continue
1424 }
1425 var box *Box
1426 ok := boxofboxes.Get(a, &box)
1427 if ok && useshared && box.Shared != "" {
1428 rcpts["%"+box.Shared] = true
1429 } else {
1430 rcpts[a] = true
1431 }
1432 }
1433 return rcpts
1434}
1435
1436func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1437 dt := ch.Date.Format(time.RFC3339)
1438 aud := []string{ch.Target}
1439
1440 jo := junk.New()
1441 jo["id"] = ch.XID
1442 jo["type"] = "ChatMessage"
1443 jo["published"] = dt
1444 jo["attributedTo"] = user.URL
1445 jo["to"] = aud
1446 jo["content"] = ch.HTML
1447 atts := activatedonks(ch.Donks)
1448 if len(atts) > 0 {
1449 jo["attachment"] = atts
1450 }
1451 var tags []junk.Junk
1452 for _, e := range herdofemus(ch.Noise) {
1453 t := junk.New()
1454 t["id"] = e.ID
1455 t["type"] = "Emoji"
1456 t["name"] = e.Name
1457 i := junk.New()
1458 i["type"] = "Image"
1459 i["mediaType"] = e.Type
1460 i["url"] = e.ID
1461 t["icon"] = i
1462 tags = append(tags, t)
1463 }
1464 if len(tags) > 0 {
1465 jo["tag"] = tags
1466 }
1467
1468 j := junk.New()
1469 j["@context"] = itiswhatitis
1470 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1471 j["type"] = "Create"
1472 j["actor"] = user.URL
1473 j["published"] = dt
1474 j["to"] = aud
1475 j["object"] = jo
1476
1477 return j.ToBytes()
1478}
1479
1480func sendchonk(user *WhatAbout, ch *Chonk) {
1481 msg := chonkifymsg(user, ch)
1482
1483 rcpts := make(map[string]bool)
1484 rcpts[ch.Target] = true
1485 for a := range rcpts {
1486 go deliverate(0, user.ID, a, msg, true)
1487 }
1488}
1489
1490func honkworldwide(user *WhatAbout, honk *Honk) {
1491 jonk, _ := jonkjonk(user, honk)
1492 jonk["@context"] = itiswhatitis
1493 msg := jonk.ToBytes()
1494
1495 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1496
1497 if honk.Public {
1498 for _, h := range getdubs(user.ID) {
1499 if h.XID == user.URL {
1500 continue
1501 }
1502 var box *Box
1503 ok := boxofboxes.Get(h.XID, &box)
1504 if ok && box.Shared != "" {
1505 rcpts["%"+box.Shared] = true
1506 } else {
1507 rcpts[h.XID] = true
1508 }
1509 }
1510 for _, f := range getbacktracks(honk.XID) {
1511 if f[0] == '%' {
1512 rcpts[f] = true
1513 } else {
1514 var box *Box
1515 ok := boxofboxes.Get(f, &box)
1516 if ok && box.Shared != "" {
1517 rcpts["%"+box.Shared] = true
1518 } else {
1519 rcpts[f] = true
1520 }
1521 }
1522 }
1523 }
1524 for a := range rcpts {
1525 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1526 }
1527 if honk.Public && len(honk.Onts) > 0 {
1528 collectiveaction(honk)
1529 }
1530}
1531
1532func doesitmatter(what string) bool {
1533 switch what {
1534 case "ack":
1535 return false
1536 case "react":
1537 return false
1538 case "deack":
1539 return false
1540 }
1541 return true
1542}
1543
1544func collectiveaction(honk *Honk) {
1545 user := getserveruser()
1546 for _, ont := range honk.Onts {
1547 dubs := getnameddubs(readyLuserOne, ont)
1548 if len(dubs) == 0 {
1549 continue
1550 }
1551 j := junk.New()
1552 j["@context"] = itiswhatitis
1553 j["type"] = "Add"
1554 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1555 j["actor"] = user.URL
1556 j["object"] = honk.XID
1557 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1558 rcpts := make(map[string]bool)
1559 for _, dub := range dubs {
1560 var box *Box
1561 ok := boxofboxes.Get(dub.XID, &box)
1562 if ok && box.Shared != "" {
1563 rcpts["%"+box.Shared] = true
1564 } else {
1565 rcpts[dub.XID] = true
1566 }
1567 }
1568 msg := j.ToBytes()
1569 for a := range rcpts {
1570 go deliverate(0, user.ID, a, msg, false)
1571 }
1572 }
1573}
1574
1575func junkuser(user *WhatAbout) junk.Junk {
1576 j := junk.New()
1577 j["@context"] = itiswhatitis
1578 j["id"] = user.URL
1579 j["inbox"] = user.URL + "/inbox"
1580 j["outbox"] = user.URL + "/outbox"
1581 j["name"] = user.Display
1582 j["preferredUsername"] = user.Name
1583 j["summary"] = user.HTAbout
1584 var tags []junk.Junk
1585 for _, o := range user.Onts {
1586 t := junk.New()
1587 t["type"] = "Hashtag"
1588 o = strings.ToLower(o)
1589 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1590 t["name"] = o
1591 tags = append(tags, t)
1592 }
1593 if len(tags) > 0 {
1594 j["tag"] = tags
1595 }
1596
1597 if user.ID > 0 {
1598 j["type"] = "Person"
1599 j["url"] = user.URL
1600 j["followers"] = user.URL + "/followers"
1601 j["following"] = user.URL + "/following"
1602 a := junk.New()
1603 a["type"] = "Image"
1604 a["mediaType"] = "image/png"
1605 if ava := user.Options.Avatar; ava != "" {
1606 a["url"] = ava
1607 } else {
1608 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1609 a["url"] = u
1610 }
1611 j["icon"] = a
1612 if ban := user.Options.Banner; ban != "" {
1613 a := junk.New()
1614 a["type"] = "Image"
1615 a["mediaType"] = "image/jpg"
1616 a["url"] = ban
1617 j["image"] = a
1618 }
1619 } else {
1620 j["type"] = "Service"
1621 }
1622 k := junk.New()
1623 k["id"] = user.URL + "#key"
1624 k["owner"] = user.URL
1625 k["publicKeyPem"] = user.Key
1626 j["publicKey"] = k
1627
1628 return j
1629}
1630
1631var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1632 user, err := butwhatabout(name)
1633 if err != nil {
1634 return nil, false
1635 }
1636 var buf bytes.Buffer
1637 j := junkuser(user)
1638 j.Write(&buf)
1639 return buf.Bytes(), true
1640}, Duration: 1 * time.Minute})
1641
1642func asjonker(name string) ([]byte, bool) {
1643 var j []byte
1644 ok := oldjonkers.Get(name, &j)
1645 return j, ok
1646}
1647
1648var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1649 m := strings.Split(name, "@")
1650 if len(m) != 2 {
1651 dlog.Printf("bad fish name: %s", name)
1652 return "", true
1653 }
1654 var href string
1655 row := stmtGetXonker.QueryRow(name, "fishname")
1656 err := row.Scan(&href)
1657 if err == nil {
1658 return href, true
1659 }
1660 dlog.Printf("fishing for %s", name)
1661 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1662 if err != nil {
1663 ilog.Printf("failed to go fish %s: %s", name, err)
1664 return "", true
1665 }
1666 links, _ := j.GetArray("links")
1667 for _, li := range links {
1668 l, ok := li.(junk.Junk)
1669 if !ok {
1670 continue
1671 }
1672 href, _ := l.GetString("href")
1673 rel, _ := l.GetString("rel")
1674 t, _ := l.GetString("type")
1675 if rel == "self" && friendorfoe(t) {
1676 when := time.Now().UTC().Format(dbtimeformat)
1677 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1678 if err != nil {
1679 elog.Printf("error saving fishname: %s", err)
1680 }
1681 return href, true
1682 }
1683 }
1684 return href, true
1685}, Duration: 1 * time.Minute})
1686
1687func gofish(name string) string {
1688 if name[0] == '@' {
1689 name = name[1:]
1690 }
1691 var href string
1692 handfull.Get(name, &href)
1693 return href
1694}
1695
1696func investigate(name string) (*SomeThing, error) {
1697 if name == "" {
1698 return nil, fmt.Errorf("no name")
1699 }
1700 if name[0] == '@' {
1701 name = gofish(name)
1702 }
1703 if name == "" {
1704 return nil, fmt.Errorf("no name")
1705 }
1706 obj, err := GetJunkFast(readyLuserOne, name)
1707 if err != nil {
1708 return nil, err
1709 }
1710 allinjest(originate(name), obj)
1711 return somethingabout(obj)
1712}
1713
1714func somethingabout(obj junk.Junk) (*SomeThing, error) {
1715 info := new(SomeThing)
1716 t, _ := obj.GetString("type")
1717 switch t {
1718 case "Person":
1719 fallthrough
1720 case "Group":
1721 fallthrough
1722 case "Organization":
1723 fallthrough
1724 case "Application":
1725 fallthrough
1726 case "Service":
1727 info.What = SomeActor
1728 case "OrderedCollection":
1729 fallthrough
1730 case "Collection":
1731 info.What = SomeCollection
1732 default:
1733 return nil, fmt.Errorf("unknown object type")
1734 }
1735 info.XID, _ = obj.GetString("id")
1736 info.Name, _ = obj.GetString("preferredUsername")
1737 if info.Name == "" {
1738 info.Name, _ = obj.GetString("name")
1739 }
1740 info.Owner, _ = obj.GetString("owner")
1741 if info.Owner == "" {
1742 info.Owner, _ = obj.GetString("attributedTo")
1743 }
1744 if info.Owner == "" {
1745 info.Owner = info.XID
1746 }
1747 return info, nil
1748}
1749
1750func allinjest(origin string, obj junk.Junk) {
1751 keyobj, ok := obj.GetMap("publicKey")
1752 if ok {
1753 ingestpubkey(origin, keyobj)
1754 }
1755 ingestboxes(origin, obj)
1756 ingesthandle(origin, obj)
1757}
1758
1759func ingestpubkey(origin string, obj junk.Junk) {
1760 keyobj, ok := obj.GetMap("publicKey")
1761 if ok {
1762 obj = keyobj
1763 }
1764 keyname, ok := obj.GetString("id")
1765 var data string
1766 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1767 err := row.Scan(&data)
1768 if err == nil {
1769 return
1770 }
1771 if !ok || origin != originate(keyname) {
1772 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1773 return
1774 }
1775 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1776 owner, ok := obj.GetString("owner")
1777 if !ok {
1778 ilog.Printf("error finding %s pubkey owner", keyname)
1779 return
1780 }
1781 data, ok = obj.GetString("publicKeyPem")
1782 if !ok {
1783 ilog.Printf("error finding %s pubkey", keyname)
1784 return
1785 }
1786 if originate(owner) != origin {
1787 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1788 return
1789 }
1790 _, _, err = httpsig.DecodeKey(data)
1791 if err != nil {
1792 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1793 return
1794 }
1795 when := time.Now().UTC().Format(dbtimeformat)
1796 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1797 if err != nil {
1798 elog.Printf("error saving key: %s", err)
1799 }
1800}
1801
1802func ingestboxes(origin string, obj junk.Junk) {
1803 ident, _ := obj.GetString("id")
1804 if ident == "" {
1805 return
1806 }
1807 if originate(ident) != origin {
1808 return
1809 }
1810 var info string
1811 row := stmtGetXonker.QueryRow(ident, "boxes")
1812 err := row.Scan(&info)
1813 if err == nil {
1814 return
1815 }
1816 dlog.Printf("ingesting boxes: %s", ident)
1817 inbox, _ := obj.GetString("inbox")
1818 outbox, _ := obj.GetString("outbox")
1819 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1820 if inbox != "" {
1821 when := time.Now().UTC().Format(dbtimeformat)
1822 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1823 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1824 if err != nil {
1825 elog.Printf("error saving boxes: %s", err)
1826 }
1827 }
1828}
1829
1830func ingesthandle(origin string, obj junk.Junk) {
1831 xid, _ := obj.GetString("id")
1832 if xid == "" {
1833 return
1834 }
1835 if originate(xid) != origin {
1836 return
1837 }
1838 var handle string
1839 row := stmtGetXonker.QueryRow(xid, "handle")
1840 err := row.Scan(&handle)
1841 if err == nil {
1842 return
1843 }
1844 handle, _ = obj.GetString("preferredUsername")
1845 if handle != "" {
1846 when := time.Now().UTC().Format(dbtimeformat)
1847 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1848 if err != nil {
1849 elog.Printf("error saving handle: %s", err)
1850 }
1851 }
1852}
1853
1854func updateMe(username string) {
1855 var user *WhatAbout
1856 somenamedusers.Get(username, &user)
1857 dt := time.Now().UTC().Format(time.RFC3339)
1858 j := junk.New()
1859 j["@context"] = itiswhatitis
1860 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1861 j["actor"] = user.URL
1862 j["published"] = dt
1863 j["to"] = thewholeworld
1864 j["type"] = "Update"
1865 j["object"] = junkuser(user)
1866
1867 msg := j.ToBytes()
1868
1869 rcpts := make(map[string]bool)
1870 for _, f := range getdubs(user.ID) {
1871 if f.XID == user.URL {
1872 continue
1873 }
1874 var box *Box
1875 boxofboxes.Get(f.XID, &box)
1876 if box != nil && box.Shared != "" {
1877 rcpts["%"+box.Shared] = true
1878 } else {
1879 rcpts[f.XID] = true
1880 }
1881 }
1882 for a := range rcpts {
1883 go deliverate(0, user.ID, a, msg, false)
1884 }
1885}
1886
1887func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1888 folxid, _ := j.GetString("id")
1889
1890 ilog.Printf("updating honker follow: %s %s", who, folxid)
1891
1892 var x string
1893 db := opendatabase()
1894 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1895 err := row.Scan(&x)
1896 if err != sql.ErrNoRows {
1897 ilog.Printf("duplicate follow request: %s", who)
1898 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1899 if err != nil {
1900 elog.Printf("error updating honker: %s", err)
1901 }
1902 } else {
1903 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1904 }
1905 go rubadubdub(user, j)
1906}
1907
1908func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1909 var folxid string
1910 if who == "" {
1911 folxid, _ = j.GetString("object")
1912
1913 db := opendatabase()
1914 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1915 err := row.Scan(&who, &name)
1916 if err != nil {
1917 if err != sql.ErrNoRows {
1918 elog.Printf("error scanning honker: %s", err)
1919 }
1920 return
1921 }
1922 }
1923
1924 ilog.Printf("updating honker undo: %s %s", who, folxid)
1925 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1926 if err != nil {
1927 elog.Printf("error updating honker: %s", err)
1928 return
1929 }
1930}
1931
1932func followyou(user *WhatAbout, honkerid int64, sync bool) {
1933 var url, owner string
1934 db := opendatabase()
1935 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1936 honkerid, user.ID)
1937 err := row.Scan(&url, &owner)
1938 if err != nil {
1939 elog.Printf("can't get honker xid: %s", err)
1940 return
1941 }
1942 folxid := xfiltrate()
1943 ilog.Printf("subscribing to %s", url)
1944 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1945 if err != nil {
1946 elog.Printf("error updating honker: %s", err)
1947 return
1948 }
1949 if sync {
1950 subsub(user, url, owner, folxid)
1951 } else {
1952 go subsub(user, url, owner, folxid)
1953 }
1954
1955}
1956func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1957 db := opendatabase()
1958 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1959 honkerid, user.ID)
1960 var url, owner, folxid, flavor string
1961 err := row.Scan(&url, &owner, &folxid, &flavor)
1962 if err != nil {
1963 elog.Printf("can't get honker xid: %s", err)
1964 return
1965 }
1966 if flavor == "peep" {
1967 return
1968 }
1969 ilog.Printf("unsubscribing from %s", url)
1970 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1971 if err != nil {
1972 elog.Printf("error updating honker: %s", err)
1973 return
1974 }
1975 if sync {
1976 itakeitallback(user, url, owner, folxid)
1977 } else {
1978 go itakeitallback(user, url, owner, folxid)
1979 }
1980}
1981
1982func followyou2(user *WhatAbout, j junk.Junk) {
1983 who, _ := j.GetString("actor")
1984
1985 ilog.Printf("updating honker accept: %s", who)
1986 db := opendatabase()
1987 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1988 user.ID, who)
1989 var name, folxid string
1990 err := row.Scan(&name, &folxid)
1991 if err != nil {
1992 elog.Printf("can't get honker name: %s", err)
1993 return
1994 }
1995 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1996 if err != nil {
1997 elog.Printf("error updating honker: %s", err)
1998 return
1999 }
2000}
2001
2002func nofollowyou2(user *WhatAbout, j junk.Junk) {
2003 who, _ := j.GetString("actor")
2004
2005 ilog.Printf("updating honker reject: %s", who)
2006 db := opendatabase()
2007 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2008 user.ID, who)
2009 var name, folxid string
2010 err := row.Scan(&name, &folxid)
2011 if err != nil {
2012 elog.Printf("can't get honker name: %s", err)
2013 return
2014 }
2015 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2016 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2017 if err != nil {
2018 elog.Printf("error updating honker: %s", err)
2019 return
2020 }
2021}