activity.go (view raw)
1//
2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
3//
4// Permission to use, copy, modify, and distribute this software for any
5// purpose with or without fee is hereby granted, provided that the above
6// copyright notice and this permission notice appear in all copies.
7//
8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15
16package main
17
18import (
19 "bytes"
20 "context"
21 "crypto/tls"
22 "database/sql"
23 "fmt"
24 "html"
25 "io"
26 notrand "math/rand"
27 "net/http"
28 "os"
29 "regexp"
30 "strings"
31 "time"
32
33 "humungus.tedunangst.com/r/webs/cache"
34 "humungus.tedunangst.com/r/webs/gate"
35 "humungus.tedunangst.com/r/webs/httpsig"
36 "humungus.tedunangst.com/r/webs/junk"
37 "humungus.tedunangst.com/r/webs/templates"
38)
39
40var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
41var thefakename = `application/activity+json`
42var falsenames = []string{
43 `application/ld+json`,
44 `application/activity+json`,
45}
46var itiswhatitis = "https://www.w3.org/ns/activitystreams"
47var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
48
49var fastTimeout time.Duration = 5
50var slowTimeout time.Duration = 30
51
52func friendorfoe(ct string) bool {
53 ct = strings.ToLower(ct)
54 for _, at := range falsenames {
55 if strings.HasPrefix(ct, at) {
56 return true
57 }
58 }
59 return false
60}
61
62var develClient = &http.Client{
63 Transport: &http.Transport{
64 TLSClientConfig: &tls.Config{
65 InsecureSkipVerify: true,
66 },
67 },
68}
69
70func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
71 return PostMsg(keyname, key, url, j.ToBytes())
72}
73
74func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
75 client := http.DefaultClient
76 if develMode {
77 client = develClient
78 }
79 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
80 if err != nil {
81 return err
82 }
83 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
84 req.Header.Set("Content-Type", theonetruename)
85 httpsig.SignRequest(keyname, key, req, msg)
86 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
87 defer cancel()
88 req = req.WithContext(ctx)
89 resp, err := client.Do(req)
90 if err != nil {
91 return err
92 }
93 resp.Body.Close()
94 switch resp.StatusCode {
95 case 200:
96 case 201:
97 case 202:
98 default:
99 return fmt.Errorf("http post status: %d", resp.StatusCode)
100 }
101 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
102 return nil
103}
104
105func GetJunk(userid int64, url string) (junk.Junk, error) {
106 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
107}
108
109func GetJunkFast(userid int64, url string) (junk.Junk, error) {
110 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
111}
112
113func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
114 j, err := GetJunk(userid, url)
115 if err != nil {
116 emsg := err.Error()
117 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
118 ilog.Printf("trying again after error: %s", emsg)
119 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
120 j, err = GetJunk(userid, url)
121 if err != nil {
122 ilog.Printf("still couldn't get it")
123 } else {
124 ilog.Printf("retry success!")
125 }
126 }
127 }
128 return j, err
129}
130
131var flightdeck = gate.NewSerializer()
132
133var signGets = true
134
135func junkGet(userid int64, url string, args junk.GetArgs) (junk.Junk, error) {
136 client := http.DefaultClient
137 if args.Client != nil {
138 client = args.Client
139 }
140 req, err := http.NewRequest("GET", url, nil)
141 if err != nil {
142 return nil, err
143 }
144 if args.Accept != "" {
145 req.Header.Set("Accept", args.Accept)
146 }
147 if args.Agent != "" {
148 req.Header.Set("User-Agent", args.Agent)
149 }
150 if signGets {
151 var ki *KeyInfo
152 ok := ziggies.Get(userid, &ki)
153 if ok {
154 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
155 }
156 }
157 if args.Timeout != 0 {
158 ctx, cancel := context.WithTimeout(context.Background(), args.Timeout)
159 defer cancel()
160 req = req.WithContext(ctx)
161 }
162 resp, err := client.Do(req)
163 if err != nil {
164 return nil, err
165 }
166 defer resp.Body.Close()
167
168 switch resp.StatusCode {
169 case 200:
170 case 201:
171 case 202:
172 default:
173 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
174 }
175 return junk.Read(resp.Body)
176}
177
178func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
179 client := http.DefaultClient
180 if develMode {
181 client = develClient
182 }
183 fn := func() (interface{}, error) {
184 at := thefakename
185 if strings.Contains(url, ".well-known/webfinger?resource") {
186 at = "application/jrd+json"
187 }
188 j, err := junkGet(userid, url, junk.GetArgs{
189 Accept: at,
190 Agent: "honksnonk/5.0; " + serverName,
191 Timeout: timeout,
192 Client: client,
193 })
194 return j, err
195 }
196
197 ji, err := flightdeck.Call(url, fn)
198 if err != nil {
199 return nil, err
200 }
201 j := ji.(junk.Junk)
202 return j, nil
203}
204
205func fetchsome(url string) ([]byte, error) {
206 client := http.DefaultClient
207 if develMode {
208 client = develClient
209 }
210 req, err := http.NewRequest("GET", url, nil)
211 if err != nil {
212 ilog.Printf("error fetching %s: %s", url, err)
213 return nil, err
214 }
215 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
216 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
217 defer cancel()
218 req = req.WithContext(ctx)
219 resp, err := client.Do(req)
220 if err != nil {
221 ilog.Printf("error fetching %s: %s", url, err)
222 return nil, err
223 }
224 defer resp.Body.Close()
225 switch resp.StatusCode {
226 case 200:
227 case 201:
228 case 202:
229 default:
230 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
231 }
232 var buf bytes.Buffer
233 limiter := io.LimitReader(resp.Body, 10*1024*1024)
234 io.Copy(&buf, limiter)
235 return buf.Bytes(), nil
236}
237
238func savedonk(url string, name, desc, media string, localize bool) *Donk {
239 if url == "" {
240 return nil
241 }
242 if donk := finddonk(url); donk != nil {
243 return donk
244 }
245 ilog.Printf("saving donk: %s", url)
246 data := []byte{}
247 if localize {
248 fn := func() (interface{}, error) {
249 return fetchsome(url)
250 }
251 ii, err := flightdeck.Call(url, fn)
252 if err != nil {
253 ilog.Printf("error fetching donk: %s", err)
254 localize = false
255 goto saveit
256 }
257 data = ii.([]byte)
258
259 if len(data) == 10*1024*1024 {
260 ilog.Printf("truncation likely")
261 }
262 if strings.HasPrefix(media, "image") {
263 img, err := shrinkit(data)
264 if err != nil {
265 ilog.Printf("unable to decode image: %s", err)
266 localize = false
267 data = []byte{}
268 goto saveit
269 }
270 data = img.Data
271 media = "image/" + img.Format
272 } else if media == "application/pdf" {
273 if len(data) > 1000000 {
274 ilog.Printf("not saving large pdf")
275 localize = false
276 data = []byte{}
277 }
278 } else if len(data) > 100000 {
279 ilog.Printf("not saving large attachment")
280 localize = false
281 data = []byte{}
282 }
283 }
284saveit:
285 fileid, err := savefile(name, desc, url, media, localize, data)
286 if err != nil {
287 elog.Printf("error saving file %s: %s", url, err)
288 return nil
289 }
290 donk := new(Donk)
291 donk.FileID = fileid
292 return donk
293}
294
295func iszonked(userid int64, xid string) bool {
296 var id int64
297 row := stmtFindZonk.QueryRow(userid, xid)
298 err := row.Scan(&id)
299 if err == nil {
300 return true
301 }
302 if err != sql.ErrNoRows {
303 ilog.Printf("error querying zonk: %s", err)
304 }
305 return false
306}
307
308func needxonk(user *WhatAbout, x *Honk) bool {
309 if rejectxonk(x) {
310 return false
311 }
312 return needxonkid(user, x.XID)
313}
314func needbonkid(user *WhatAbout, xid string) bool {
315 return needxonkidX(user, xid, true)
316}
317func needxonkid(user *WhatAbout, xid string) bool {
318 return needxonkidX(user, xid, false)
319}
320func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
321 if !strings.HasPrefix(xid, "https://") {
322 return false
323 }
324 if strings.HasPrefix(xid, user.URL+"/") {
325 return false
326 }
327 if rejectorigin(user.ID, xid, isannounce) {
328 ilog.Printf("rejecting origin: %s", xid)
329 return false
330 }
331 if iszonked(user.ID, xid) {
332 ilog.Printf("already zonked: %s", xid)
333 return false
334 }
335 var id int64
336 row := stmtFindXonk.QueryRow(user.ID, xid)
337 err := row.Scan(&id)
338 if err == nil {
339 return false
340 }
341 if err != sql.ErrNoRows {
342 ilog.Printf("error querying xonk: %s", err)
343 }
344 return true
345}
346
347func eradicatexonk(userid int64, xid string) {
348 xonk := getxonk(userid, xid)
349 if xonk != nil {
350 deletehonk(xonk.ID)
351 }
352 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
353 if err != nil {
354 elog.Printf("error eradicating: %s", err)
355 }
356}
357
358func savexonk(x *Honk) {
359 ilog.Printf("saving xonk: %s", x.XID)
360 go handles(x.Honker)
361 go handles(x.Oonker)
362 savehonk(x)
363}
364
365type Box struct {
366 In string
367 Out string
368 Shared string
369}
370
371var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
372 var info string
373 row := stmtGetXonker.QueryRow(ident, "boxes")
374 err := row.Scan(&info)
375 if err != nil {
376 dlog.Printf("need to get boxes for %s", ident)
377 var j junk.Junk
378 j, err = GetJunk(readyLuserOne, ident)
379 if err != nil {
380 dlog.Printf("error getting boxes: %s", err)
381 return nil, false
382 }
383 allinjest(originate(ident), j)
384 row = stmtGetXonker.QueryRow(ident, "boxes")
385 err = row.Scan(&info)
386 }
387 if err == nil {
388 m := strings.Split(info, " ")
389 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
390 return b, true
391 }
392 return nil, false
393}})
394
395func gimmexonks(user *WhatAbout, outbox string) {
396 dlog.Printf("getting outbox: %s", outbox)
397 j, err := GetJunk(user.ID, outbox)
398 if err != nil {
399 ilog.Printf("error getting outbox: %s", err)
400 return
401 }
402 t, _ := j.GetString("type")
403 origin := originate(outbox)
404 if t == "OrderedCollection" {
405 items, _ := j.GetArray("orderedItems")
406 if items == nil {
407 items, _ = j.GetArray("items")
408 }
409 if items == nil {
410 obj, ok := j.GetMap("first")
411 if ok {
412 items, _ = obj.GetArray("orderedItems")
413 } else {
414 page1, ok := j.GetString("first")
415 if ok {
416 j, err = GetJunk(user.ID, page1)
417 if err != nil {
418 ilog.Printf("error getting page1: %s", err)
419 return
420 }
421 items, _ = j.GetArray("orderedItems")
422 }
423 }
424 }
425 if len(items) > 20 {
426 items = items[0:20]
427 }
428 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
429 items[i], items[j] = items[j], items[i]
430 }
431 for _, item := range items {
432 obj, ok := item.(junk.Junk)
433 if ok {
434 xonksaver(user, obj, origin)
435 continue
436 }
437 xid, ok := item.(string)
438 if ok {
439 if !needxonkid(user, xid) {
440 continue
441 }
442 obj, err = GetJunk(user.ID, xid)
443 if err != nil {
444 ilog.Printf("error getting item: %s", err)
445 continue
446 }
447 xonksaver(user, obj, originate(xid))
448 }
449 }
450 }
451}
452
453func newphone(a []string, obj junk.Junk) []string {
454 for _, addr := range []string{"to", "cc", "attributedTo"} {
455 who, _ := obj.GetString(addr)
456 if who != "" {
457 a = append(a, who)
458 }
459 whos, _ := obj.GetArray(addr)
460 for _, w := range whos {
461 who, _ := w.(string)
462 if who != "" {
463 a = append(a, who)
464 }
465 }
466 }
467 return a
468}
469
470func extractattrto(obj junk.Junk) string {
471 who, _ := obj.GetString("attributedTo")
472 if who != "" {
473 return who
474 }
475 o, ok := obj.GetMap("attributedTo")
476 if ok {
477 id, ok := o.GetString("id")
478 if ok {
479 return id
480 }
481 }
482 arr, _ := obj.GetArray("attributedTo")
483 for _, a := range arr {
484 o, ok := a.(junk.Junk)
485 if ok {
486 t, _ := o.GetString("type")
487 id, _ := o.GetString("id")
488 if t == "Person" || t == "" {
489 return id
490 }
491 }
492 s, ok := a.(string)
493 if ok {
494 return s
495 }
496 }
497 return ""
498}
499
500func firstofmany(obj junk.Junk, key string) string {
501 if val, _ := obj.GetString(key); val != "" {
502 return val
503 }
504 if arr, _ := obj.GetArray(key); len(arr) > 0 {
505 val, ok := arr[0].(string)
506 if ok {
507 return val
508 }
509 }
510 return ""
511}
512
513var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
514var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)/([[:digit:]]+)`)
515var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
516var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
517var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
518var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
519var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
520
521func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
522 depth := 0
523 maxdepth := 10
524 currenttid := ""
525 goingup := 0
526 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
527
528 qutify := func(user *WhatAbout, content string) string {
529 if depth >= maxdepth {
530 ilog.Printf("in too deep")
531 return content
532 }
533 // well this is gross
534 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
535 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
536 mlinks := re_qtlinks.FindAllString(malcontent, -1)
537 for _, m := range mlinks {
538 tryit := false
539 m = m[1 : len(m)-1]
540 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
541 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
542 re_roma1ink.MatchString(m) {
543 tryit = true
544 } else if re_masto1ink.MatchString(m) {
545 m = re_masto1ink.ReplaceAllString(m, "https://$1/users/$2/statuses/$3")
546 tryit = true
547 }
548 if tryit {
549 if x := getxonk(user.ID, m); x != nil {
550 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, x.Noise)
551 } else if j, err := GetJunk(user.ID, m); err == nil {
552 q, ok := j.GetString("content")
553 if ok {
554 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
555 }
556 prevdepth := depth
557 depth = maxdepth
558 xonkxonkfn(j, originate(m), false)
559 depth = prevdepth
560 }
561 }
562 }
563 return content
564 }
565
566 saveonemore := func(xid string) {
567 dlog.Printf("getting onemore: %s", xid)
568 if depth >= maxdepth {
569 ilog.Printf("in too deep")
570 return
571 }
572 obj, err := GetJunkHardMode(user.ID, xid)
573 if err != nil {
574 ilog.Printf("error getting onemore: %s: %s", xid, err)
575 return
576 }
577 depth++
578 xonkxonkfn(obj, originate(xid), false)
579 depth--
580 }
581
582 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
583 id, _ := item.GetString("id")
584 what := firstofmany(item, "type")
585 dt, ok := item.GetString("published")
586 if !ok {
587 dt = time.Now().Format(time.RFC3339)
588 }
589
590 var err error
591 var xid, rid, url, convoy string
592 var replies []string
593 var obj junk.Junk
594 waspage := false
595 preferorig := false
596 switch what {
597 case "Delete":
598 obj, ok = item.GetMap("object")
599 if ok {
600 xid, _ = obj.GetString("id")
601 } else {
602 xid, _ = item.GetString("object")
603 }
604 if xid == "" {
605 return nil
606 }
607 if originate(xid) != origin {
608 ilog.Printf("forged delete: %s", xid)
609 return nil
610 }
611 ilog.Printf("eradicating %s", xid)
612 eradicatexonk(user.ID, xid)
613 return nil
614 case "Remove":
615 xid, _ = item.GetString("object")
616 targ, _ := obj.GetString("target")
617 ilog.Printf("remove %s from %s", obj, targ)
618 return nil
619 case "Tombstone":
620 xid, _ = item.GetString("id")
621 if xid == "" {
622 return nil
623 }
624 if originate(xid) != origin {
625 ilog.Printf("forged delete: %s", xid)
626 return nil
627 }
628 ilog.Printf("eradicating %s", xid)
629 eradicatexonk(user.ID, xid)
630 return nil
631 case "Announce":
632 obj, ok = item.GetMap("object")
633 if ok {
634 what, ok := obj.GetString("type")
635 if ok && what == "Create" {
636 obj, ok = obj.GetMap("object")
637 if !ok {
638 ilog.Printf("lost object inside create %s", id)
639 return nil
640 }
641 what, _ = obj.GetString("type")
642 }
643 if what == "Page" {
644 waspage = true
645 }
646 xid, _ = obj.GetString("id")
647 } else {
648 xid, _ = item.GetString("object")
649 }
650 if !needbonkid(user, xid) {
651 return nil
652 }
653 origin = originate(xid)
654 if ok && originate(id) == origin {
655 dlog.Printf("using object in announce for %s", xid)
656 } else {
657 dlog.Printf("getting bonk: %s", xid)
658 obj, err = GetJunkHardMode(user.ID, xid)
659 if err != nil {
660 ilog.Printf("error getting bonk: %s: %s", xid, err)
661 }
662 }
663 what = "bonk"
664 case "Update":
665 isUpdate = true
666 fallthrough
667 case "Create":
668 obj, ok = item.GetMap("object")
669 if !ok {
670 xid, _ = item.GetString("object")
671 dlog.Printf("getting created honk: %s", xid)
672 if originate(xid) != origin {
673 ilog.Printf("out of bounds %s not from %s", xid, origin)
674 return nil
675 }
676 obj, err = GetJunkHardMode(user.ID, xid)
677 if err != nil {
678 ilog.Printf("error getting creation: %s", err)
679 }
680 }
681 if obj == nil {
682 ilog.Printf("no object for creation %s", id)
683 return nil
684 }
685 return xonkxonkfn(obj, origin, isUpdate)
686 case "Read":
687 xid, ok = item.GetString("object")
688 if ok {
689 if !needxonkid(user, xid) {
690 dlog.Printf("don't need read obj: %s", xid)
691 return nil
692 }
693 obj, err = GetJunkHardMode(user.ID, xid)
694 if err != nil {
695 ilog.Printf("error getting read: %s", err)
696 return nil
697 }
698 return xonkxonkfn(obj, originate(xid), false)
699 }
700 return nil
701 case "Add":
702 xid, ok = item.GetString("object")
703 if ok {
704 // check target...
705 if !needxonkid(user, xid) {
706 dlog.Printf("don't need added obj: %s", xid)
707 return nil
708 }
709 obj, err = GetJunkHardMode(user.ID, xid)
710 if err != nil {
711 ilog.Printf("error getting add: %s", err)
712 return nil
713 }
714 return xonkxonkfn(obj, originate(xid), false)
715 }
716 return nil
717 case "Move":
718 obj = item
719 what = "move"
720 case "Page":
721 waspage = true
722 fallthrough
723 case "Audio":
724 fallthrough
725 case "Image":
726 if what == "Image" {
727 preferorig = true
728 }
729 fallthrough
730 case "Video":
731 fallthrough
732 case "Question":
733 fallthrough
734 case "Note":
735 fallthrough
736 case "Article":
737 obj = item
738 what = "honk"
739 case "Event":
740 obj = item
741 what = "event"
742 case "ChatMessage":
743 obj = item
744 what = "chonk"
745 default:
746 ilog.Printf("unknown activity: %s", what)
747 dumpactivity(item)
748 return nil
749 }
750
751 if obj != nil {
752 xid, _ = obj.GetString("id")
753 }
754
755 if xid == "" {
756 ilog.Printf("don't know what xid is")
757 item.Write(ilog.Writer())
758 return nil
759 }
760 if originate(xid) != origin {
761 if !develMode && origin != "" {
762 ilog.Printf("original sin: %s not from %s", xid, origin)
763 item.Write(ilog.Writer())
764 return nil
765 }
766 }
767
768 var xonk Honk
769 // early init
770 xonk.XID = xid
771 xonk.UserID = user.ID
772 xonk.Honker, _ = item.GetString("actor")
773 if xonk.Honker == "" {
774 xonk.Honker, _ = item.GetString("attributedTo")
775 }
776 if obj != nil {
777 if xonk.Honker == "" {
778 xonk.Honker = extractattrto(obj)
779 }
780 xonk.Oonker = extractattrto(obj)
781 if xonk.Oonker == xonk.Honker {
782 xonk.Oonker = ""
783 }
784 xonk.Audience = newphone(nil, obj)
785 }
786 xonk.Audience = append(xonk.Audience, xonk.Honker)
787 xonk.Audience = oneofakind(xonk.Audience)
788 xonk.Public = loudandproud(xonk.Audience)
789
790 var mentions []Mention
791 if obj != nil {
792 ot, _ := obj.GetString("type")
793 url, _ = obj.GetString("url")
794 if dt2, ok := obj.GetString("published"); ok {
795 dt = dt2
796 }
797 content, _ := obj.GetString("content")
798 if !strings.HasPrefix(content, "<p>") {
799 content = "<p>" + content
800 }
801 precis, _ := obj.GetString("summary")
802 if name, ok := obj.GetString("name"); ok {
803 if precis != "" {
804 content = precis + "<p>" + content
805 }
806 precis = html.EscapeString(name)
807 }
808 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
809 precis = "unspecified horror"
810 }
811 if waspage {
812 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
813 url = xid
814 }
815 if user.Options.InlineQuotes {
816 content = qutify(user, content)
817 }
818 rid, ok = obj.GetString("inReplyTo")
819 if !ok {
820 if robj, ok := obj.GetMap("inReplyTo"); ok {
821 rid, _ = robj.GetString("id")
822 }
823 }
824 convoy, _ = obj.GetString("context")
825 if convoy == "" {
826 convoy, _ = obj.GetString("conversation")
827 }
828 if ot == "Question" {
829 if what == "honk" {
830 what = "qonk"
831 }
832 content += "<ul>"
833 ans, _ := obj.GetArray("oneOf")
834 for _, ai := range ans {
835 a, ok := ai.(junk.Junk)
836 if !ok {
837 continue
838 }
839 as, _ := a.GetString("name")
840 content += "<li>" + as
841 }
842 ans, _ = obj.GetArray("anyOf")
843 for _, ai := range ans {
844 a, ok := ai.(junk.Junk)
845 if !ok {
846 continue
847 }
848 as, _ := a.GetString("name")
849 content += "<li>" + as
850 }
851 content += "</ul>"
852 }
853 if ot == "Move" {
854 targ, _ := obj.GetString("target")
855 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
856 }
857 if len(content) > 90001 {
858 ilog.Printf("content too long. truncating")
859 content = content[:90001]
860 }
861
862 xonk.Noise = content
863 xonk.Precis = precis
864 if rejectxonk(&xonk) {
865 dlog.Printf("fast reject: %s", xid)
866 return nil
867 }
868
869 numatts := 0
870 procatt := func(att junk.Junk) {
871 at, _ := att.GetString("type")
872 mt, _ := att.GetString("mediaType")
873 if mt == "" {
874 mt = "image"
875 }
876 u, ok := att.GetString("url")
877 if !ok {
878 u, ok = att.GetString("href")
879 }
880 if !ok {
881 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
882 u, ok = ua[0].(string)
883 if !ok {
884 if uu, ok := ua[0].(junk.Junk); ok {
885 u, _ = uu.GetString("href")
886 if mt == "" {
887 mt, _ = uu.GetString("mediaType")
888 }
889 }
890 }
891 } else if uu, ok := att.GetMap("url"); ok {
892 u, _ = uu.GetString("href")
893 if mt == "" {
894 mt, _ = uu.GetString("mediaType")
895 }
896 }
897 }
898 name, _ := att.GetString("name")
899 desc, _ := att.GetString("summary")
900 desc = html.UnescapeString(desc)
901 if desc == "" {
902 desc = name
903 }
904 localize := false
905 if at == "Document" || at == "Image" {
906 mt = strings.ToLower(mt)
907 dlog.Printf("attachment: %s %s", mt, u)
908 if mt == "text/plain" || mt == "application/pdf" ||
909 strings.HasPrefix(mt, "image") {
910 if numatts > 4 {
911 ilog.Printf("excessive attachment: %s", at)
912 } else {
913 localize = true
914 }
915 }
916 } else if at == "Link" {
917 if waspage {
918 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
919 return
920 }
921 if name == "" {
922 name = u
923 }
924 } else {
925 ilog.Printf("unknown attachment: %s", at)
926 }
927 if skipMedia(&xonk) {
928 localize = false
929 }
930 if preferorig && !localize {
931 return
932 }
933 donk := savedonk(u, name, desc, mt, localize)
934 if donk != nil {
935 xonk.Donks = append(xonk.Donks, donk)
936 }
937 numatts++
938 }
939 if img, ok := obj.GetMap("image"); ok {
940 procatt(img)
941 }
942 if preferorig {
943 atts, _ := obj.GetArray("url")
944 for _, atti := range atts {
945 att, ok := atti.(junk.Junk)
946 if !ok {
947 ilog.Printf("attachment that wasn't map?")
948 continue
949 }
950 procatt(att)
951 }
952 if numatts == 0 {
953 preferorig = false
954 }
955 }
956 if !preferorig {
957 atts, _ := obj.GetArray("attachment")
958 for _, atti := range atts {
959 att, ok := atti.(junk.Junk)
960 if !ok {
961 ilog.Printf("attachment that wasn't map?")
962 continue
963 }
964 procatt(att)
965 }
966 if att, ok := obj.GetMap("attachment"); ok {
967 procatt(att)
968 }
969 }
970 proctag := func(tag junk.Junk) {
971 tt, _ := tag.GetString("type")
972 name, _ := tag.GetString("name")
973 desc, _ := tag.GetString("summary")
974 desc = html.UnescapeString(desc)
975 if desc == "" {
976 desc = name
977 }
978 if tt == "Emoji" {
979 icon, _ := tag.GetMap("icon")
980 mt, _ := icon.GetString("mediaType")
981 if mt == "" {
982 mt = "image/png"
983 }
984 u, _ := icon.GetString("url")
985 donk := savedonk(u, name, desc, mt, true)
986 if donk != nil {
987 xonk.Donks = append(xonk.Donks, donk)
988 }
989 }
990 if tt == "Hashtag" {
991 if name == "" || name == "#" {
992 // skip it
993 } else {
994 if name[0] != '#' {
995 name = "#" + name
996 }
997 xonk.Onts = append(xonk.Onts, name)
998 }
999 }
1000 if tt == "Place" {
1001 p := new(Place)
1002 p.Name = name
1003 p.Latitude, _ = tag.GetNumber("latitude")
1004 p.Longitude, _ = tag.GetNumber("longitude")
1005 p.Url, _ = tag.GetString("url")
1006 xonk.Place = p
1007 }
1008 if tt == "Mention" {
1009 var m Mention
1010 m.Who, _ = tag.GetString("name")
1011 m.Where, _ = tag.GetString("href")
1012 mentions = append(mentions, m)
1013 }
1014 }
1015 tags, _ := obj.GetArray("tag")
1016 for _, tagi := range tags {
1017 tag, ok := tagi.(junk.Junk)
1018 if !ok {
1019 continue
1020 }
1021 proctag(tag)
1022 }
1023 tag, ok := obj.GetMap("tag")
1024 if ok {
1025 proctag(tag)
1026 }
1027 if starttime, ok := obj.GetString("startTime"); ok {
1028 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1029 t := new(Time)
1030 t.StartTime = start
1031 endtime, _ := obj.GetString("endTime")
1032 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1033 dura, _ := obj.GetString("duration")
1034 if strings.HasPrefix(dura, "PT") {
1035 dura = strings.ToLower(dura[2:])
1036 d, _ := time.ParseDuration(dura)
1037 t.Duration = Duration(d)
1038 }
1039 xonk.Time = t
1040 }
1041 }
1042 if loca, ok := obj.GetMap("location"); ok {
1043 if tt, _ := loca.GetString("type"); tt == "Place" {
1044 p := new(Place)
1045 p.Name, _ = loca.GetString("name")
1046 p.Latitude, _ = loca.GetNumber("latitude")
1047 p.Longitude, _ = loca.GetNumber("longitude")
1048 p.Url, _ = loca.GetString("url")
1049 xonk.Place = p
1050 }
1051 }
1052
1053 xonk.Onts = oneofakind(xonk.Onts)
1054 replyobj, ok := obj.GetMap("replies")
1055 if ok {
1056 items, ok := replyobj.GetArray("items")
1057 if !ok {
1058 first, ok := replyobj.GetMap("first")
1059 if ok {
1060 items, _ = first.GetArray("items")
1061 }
1062 }
1063 for _, repl := range items {
1064 s, ok := repl.(string)
1065 if ok {
1066 replies = append(replies, s)
1067 }
1068 }
1069 }
1070
1071 }
1072
1073 if currenttid == "" {
1074 currenttid = convoy
1075 }
1076
1077 // init xonk
1078 xonk.What = what
1079 xonk.RID = rid
1080 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1081 xonk.URL = url
1082 xonk.Format = "html"
1083 xonk.Convoy = convoy
1084 xonk.Mentions = mentions
1085 for _, m := range mentions {
1086 if m.Where == user.URL {
1087 xonk.Whofore = 1
1088 }
1089 }
1090 imaginate(&xonk)
1091
1092 if what == "chonk" {
1093 ch := Chonk{
1094 UserID: xonk.UserID,
1095 XID: xid,
1096 Who: xonk.Honker,
1097 Target: xonk.Honker,
1098 Date: xonk.Date,
1099 Noise: xonk.Noise,
1100 Format: xonk.Format,
1101 Donks: xonk.Donks,
1102 }
1103 savechonk(&ch)
1104 return nil
1105 }
1106
1107 if isUpdate {
1108 dlog.Printf("something has changed! %s", xonk.XID)
1109 prev := getxonk(user.ID, xonk.XID)
1110 if prev == nil {
1111 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1112 isUpdate = false
1113 } else {
1114 xonk.ID = prev.ID
1115 updatehonk(&xonk)
1116 }
1117 }
1118 if !isUpdate && needxonk(user, &xonk) {
1119 if rid != "" && xonk.Public {
1120 if needxonkid(user, rid) {
1121 goingup++
1122 saveonemore(rid)
1123 goingup--
1124 }
1125 if convoy == "" {
1126 xx := getxonk(user.ID, rid)
1127 if xx != nil {
1128 convoy = xx.Convoy
1129 }
1130 }
1131 }
1132 if convoy == "" {
1133 convoy = currenttid
1134 }
1135 if convoy == "" {
1136 convoy = "data:,missing-" + xfiltrate()
1137 currenttid = convoy
1138 }
1139 xonk.Convoy = convoy
1140 savexonk(&xonk)
1141 }
1142 if goingup == 0 {
1143 for _, replid := range replies {
1144 if needxonkid(user, replid) {
1145 dlog.Printf("missing a reply: %s", replid)
1146 saveonemore(replid)
1147 }
1148 }
1149 }
1150 return &xonk
1151 }
1152
1153 return xonkxonkfn(item, origin, false)
1154}
1155
1156func dumpactivity(item junk.Junk) {
1157 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1158 if err != nil {
1159 elog.Printf("error opening inbox! %s", err)
1160 return
1161 }
1162 defer fd.Close()
1163 item.Write(fd)
1164 io.WriteString(fd, "\n")
1165}
1166
1167func rubadubdub(user *WhatAbout, req junk.Junk) {
1168 actor, _ := req.GetString("actor")
1169 j := junk.New()
1170 j["@context"] = itiswhatitis
1171 j["id"] = user.URL + "/dub/" + xfiltrate()
1172 j["type"] = "Accept"
1173 j["actor"] = user.URL
1174 j["to"] = actor
1175 j["published"] = time.Now().UTC().Format(time.RFC3339)
1176 j["object"] = req
1177
1178 deliverate(user.ID, actor, j.ToBytes())
1179}
1180
1181func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1182 j := junk.New()
1183 j["@context"] = itiswhatitis
1184 j["id"] = user.URL + "/unsub/" + folxid
1185 j["type"] = "Undo"
1186 j["actor"] = user.URL
1187 j["to"] = owner
1188 f := junk.New()
1189 f["id"] = user.URL + "/sub/" + folxid
1190 f["type"] = "Follow"
1191 f["actor"] = user.URL
1192 f["to"] = owner
1193 f["object"] = xid
1194 j["object"] = f
1195 j["published"] = time.Now().UTC().Format(time.RFC3339)
1196
1197 deliverate(user.ID, owner, j.ToBytes())
1198}
1199
1200func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1201 if xid == "" {
1202 ilog.Printf("can't subscribe to empty")
1203 return
1204 }
1205 j := junk.New()
1206 j["@context"] = itiswhatitis
1207 j["id"] = user.URL + "/sub/" + folxid
1208 j["type"] = "Follow"
1209 j["actor"] = user.URL
1210 j["to"] = owner
1211 j["object"] = xid
1212 j["published"] = time.Now().UTC().Format(time.RFC3339)
1213
1214 deliverate(user.ID, owner, j.ToBytes())
1215}
1216
1217func activatedonks(donks []*Donk) []junk.Junk {
1218 var atts []junk.Junk
1219 for _, d := range donks {
1220 if re_emus.MatchString(d.Name) {
1221 continue
1222 }
1223 jd := junk.New()
1224 jd["mediaType"] = d.Media
1225 jd["name"] = d.Name
1226 jd["summary"] = html.EscapeString(d.Desc)
1227 jd["type"] = "Document"
1228 jd["url"] = d.URL
1229 atts = append(atts, jd)
1230 }
1231 return atts
1232}
1233
1234// returns activity, object
1235func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1236 dt := h.Date.Format(time.RFC3339)
1237 var jo junk.Junk
1238 j := junk.New()
1239 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1240 j["actor"] = user.URL
1241 j["published"] = dt
1242 j["to"] = h.Audience[0]
1243 if len(h.Audience) > 1 {
1244 j["cc"] = h.Audience[1:]
1245 }
1246
1247 switch h.What {
1248 case "update":
1249 fallthrough
1250 case "event":
1251 fallthrough
1252 case "honk":
1253 j["type"] = "Create"
1254 jo = junk.New()
1255 jo["id"] = h.XID
1256 jo["type"] = "Note"
1257 if h.What == "event" {
1258 jo["type"] = "Event"
1259 }
1260 if h.What == "update" {
1261 j["type"] = "Update"
1262 jo["updated"] = dt
1263 }
1264 jo["published"] = dt
1265 jo["url"] = h.XID
1266 jo["attributedTo"] = user.URL
1267 if h.RID != "" {
1268 jo["inReplyTo"] = h.RID
1269 }
1270 if h.Convoy != "" {
1271 jo["context"] = h.Convoy
1272 jo["conversation"] = h.Convoy
1273 }
1274 jo["to"] = h.Audience[0]
1275 if len(h.Audience) > 1 {
1276 jo["cc"] = h.Audience[1:]
1277 }
1278 if !h.Public {
1279 jo["directMessage"] = true
1280 }
1281 translate(h)
1282 redoimages(h)
1283 if h.Precis != "" {
1284 jo["sensitive"] = true
1285 }
1286
1287 var replies []string
1288 for _, reply := range h.Replies {
1289 replies = append(replies, reply.XID)
1290 }
1291 if len(replies) > 0 {
1292 jr := junk.New()
1293 jr["type"] = "Collection"
1294 jr["totalItems"] = len(replies)
1295 jr["items"] = replies
1296 jo["replies"] = jr
1297 }
1298
1299 var tags []junk.Junk
1300 for _, m := range h.Mentions {
1301 t := junk.New()
1302 t["type"] = "Mention"
1303 t["name"] = m.Who
1304 t["href"] = m.Where
1305 tags = append(tags, t)
1306 }
1307 for _, o := range h.Onts {
1308 t := junk.New()
1309 t["type"] = "Hashtag"
1310 o = strings.ToLower(o)
1311 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1312 t["name"] = o
1313 tags = append(tags, t)
1314 }
1315 for _, e := range herdofemus(h.Noise) {
1316 t := junk.New()
1317 t["id"] = e.ID
1318 t["type"] = "Emoji"
1319 t["name"] = e.Name
1320 i := junk.New()
1321 i["type"] = "Image"
1322 i["mediaType"] = e.Type
1323 i["url"] = e.ID
1324 t["icon"] = i
1325 tags = append(tags, t)
1326 }
1327 for _, e := range fixupflags(h) {
1328 t := junk.New()
1329 t["id"] = e.ID
1330 t["type"] = "Emoji"
1331 t["name"] = e.Name
1332 i := junk.New()
1333 i["type"] = "Image"
1334 i["mediaType"] = "image/png"
1335 i["url"] = e.ID
1336 t["icon"] = i
1337 tags = append(tags, t)
1338 }
1339 if len(tags) > 0 {
1340 jo["tag"] = tags
1341 }
1342 if p := h.Place; p != nil {
1343 t := junk.New()
1344 t["type"] = "Place"
1345 if p.Name != "" {
1346 t["name"] = p.Name
1347 }
1348 if p.Latitude != 0 {
1349 t["latitude"] = p.Latitude
1350 }
1351 if p.Longitude != 0 {
1352 t["longitude"] = p.Longitude
1353 }
1354 if p.Url != "" {
1355 t["url"] = p.Url
1356 }
1357 jo["location"] = t
1358 }
1359 if t := h.Time; t != nil {
1360 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1361 if t.Duration != 0 {
1362 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1363 }
1364 }
1365 atts := activatedonks(h.Donks)
1366 if len(atts) > 0 {
1367 jo["attachment"] = atts
1368 }
1369 jo["summary"] = h.Precis
1370 jo["content"] = h.Noise
1371 j["object"] = jo
1372 case "bonk":
1373 j["type"] = "Announce"
1374 if h.Convoy != "" {
1375 j["context"] = h.Convoy
1376 }
1377 j["object"] = h.XID
1378 case "unbonk":
1379 b := junk.New()
1380 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1381 b["type"] = "Announce"
1382 b["actor"] = user.URL
1383 if h.Convoy != "" {
1384 b["context"] = h.Convoy
1385 }
1386 b["object"] = h.XID
1387 j["type"] = "Undo"
1388 j["object"] = b
1389 case "zonk":
1390 j["type"] = "Delete"
1391 j["object"] = h.XID
1392 case "ack":
1393 j["type"] = "Read"
1394 j["object"] = h.XID
1395 if h.Convoy != "" {
1396 j["context"] = h.Convoy
1397 }
1398 case "react":
1399 j["type"] = "EmojiReact"
1400 j["object"] = h.XID
1401 if h.Convoy != "" {
1402 j["context"] = h.Convoy
1403 }
1404 j["content"] = h.Noise
1405 case "deack":
1406 b := junk.New()
1407 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1408 b["type"] = "Read"
1409 b["actor"] = user.URL
1410 b["object"] = h.XID
1411 if h.Convoy != "" {
1412 b["context"] = h.Convoy
1413 }
1414 j["type"] = "Undo"
1415 j["object"] = b
1416 }
1417
1418 return j, jo
1419}
1420
1421var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1422 row := stmtAnyXonk.QueryRow(xid)
1423 honk := scanhonk(row)
1424 if honk == nil || !honk.Public {
1425 return nil, true
1426 }
1427 user, _ := butwhatabout(honk.Username)
1428 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1429 reversehonks(rawhonks)
1430 for _, h := range rawhonks {
1431 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1432 honk.Replies = append(honk.Replies, h)
1433 }
1434 }
1435 donksforhonks([]*Honk{honk})
1436 _, j := jonkjonk(user, honk)
1437 if j == nil {
1438 elog.Fatalf("what just happened? %v", honk)
1439 }
1440 j["@context"] = itiswhatitis
1441
1442 return j.ToBytes(), true
1443}, Limit: 128})
1444
1445func gimmejonk(xid string) ([]byte, bool) {
1446 var j []byte
1447 ok := oldjonks.Get(xid, &j)
1448 return j, ok
1449}
1450
1451func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1452 rcpts := make(map[string]bool)
1453 for _, a := range addresses {
1454 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1455 continue
1456 }
1457 if a[0] == '%' {
1458 rcpts[a] = true
1459 continue
1460 }
1461 var box *Box
1462 ok := boxofboxes.Get(a, &box)
1463 if ok && useshared && box.Shared != "" {
1464 rcpts["%"+box.Shared] = true
1465 } else {
1466 rcpts[a] = true
1467 }
1468 }
1469 return rcpts
1470}
1471
1472func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1473 dt := ch.Date.Format(time.RFC3339)
1474 aud := []string{ch.Target}
1475
1476 jo := junk.New()
1477 jo["id"] = ch.XID
1478 jo["type"] = "ChatMessage"
1479 jo["published"] = dt
1480 jo["attributedTo"] = user.URL
1481 jo["to"] = aud
1482 jo["content"] = ch.HTML
1483 atts := activatedonks(ch.Donks)
1484 if len(atts) > 0 {
1485 jo["attachment"] = atts
1486 }
1487 var tags []junk.Junk
1488 for _, e := range herdofemus(ch.Noise) {
1489 t := junk.New()
1490 t["id"] = e.ID
1491 t["type"] = "Emoji"
1492 t["name"] = e.Name
1493 i := junk.New()
1494 i["type"] = "Image"
1495 i["mediaType"] = e.Type
1496 i["url"] = e.ID
1497 t["icon"] = i
1498 tags = append(tags, t)
1499 }
1500 if len(tags) > 0 {
1501 jo["tag"] = tags
1502 }
1503
1504 j := junk.New()
1505 j["@context"] = itiswhatitis
1506 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1507 j["type"] = "Create"
1508 j["actor"] = user.URL
1509 j["published"] = dt
1510 j["to"] = aud
1511 j["object"] = jo
1512
1513 return j.ToBytes()
1514}
1515
1516func sendchonk(user *WhatAbout, ch *Chonk) {
1517 msg := chonkifymsg(user, ch)
1518
1519 rcpts := make(map[string]bool)
1520 rcpts[ch.Target] = true
1521 for a := range rcpts {
1522 go deliverate(user.ID, a, msg)
1523 }
1524}
1525
1526func honkworldwide(user *WhatAbout, honk *Honk) {
1527 jonk, _ := jonkjonk(user, honk)
1528 jonk["@context"] = itiswhatitis
1529 msg := jonk.ToBytes()
1530
1531 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1532
1533 if honk.Public {
1534 for _, h := range getdubs(user.ID) {
1535 if h.XID == user.URL {
1536 continue
1537 }
1538 var box *Box
1539 ok := boxofboxes.Get(h.XID, &box)
1540 if ok && box.Shared != "" {
1541 rcpts["%"+box.Shared] = true
1542 } else {
1543 rcpts[h.XID] = true
1544 }
1545 }
1546 for _, f := range getbacktracks(honk.XID) {
1547 if f[0] == '%' {
1548 rcpts[f] = true
1549 } else {
1550 var box *Box
1551 ok := boxofboxes.Get(f, &box)
1552 if ok && box.Shared != "" {
1553 rcpts["%"+box.Shared] = true
1554 } else {
1555 rcpts[f] = true
1556 }
1557 }
1558 }
1559 }
1560 for a := range rcpts {
1561 go deliverate(user.ID, a, msg)
1562 }
1563 if honk.Public && len(honk.Onts) > 0 {
1564 collectiveaction(honk)
1565 }
1566}
1567
1568func collectiveaction(honk *Honk) {
1569 user := getserveruser()
1570 for _, ont := range honk.Onts {
1571 dubs := getnameddubs(readyLuserOne, ont)
1572 if len(dubs) == 0 {
1573 continue
1574 }
1575 j := junk.New()
1576 j["@context"] = itiswhatitis
1577 j["type"] = "Add"
1578 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1579 j["actor"] = user.URL
1580 j["object"] = honk.XID
1581 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1582 rcpts := make(map[string]bool)
1583 for _, dub := range dubs {
1584 var box *Box
1585 ok := boxofboxes.Get(dub.XID, &box)
1586 if ok && box.Shared != "" {
1587 rcpts["%"+box.Shared] = true
1588 } else {
1589 rcpts[dub.XID] = true
1590 }
1591 }
1592 msg := j.ToBytes()
1593 for a := range rcpts {
1594 go deliverate(user.ID, a, msg)
1595 }
1596 }
1597}
1598
1599func junkuser(user *WhatAbout) junk.Junk {
1600 j := junk.New()
1601 j["@context"] = itiswhatitis
1602 j["id"] = user.URL
1603 j["inbox"] = user.URL + "/inbox"
1604 j["outbox"] = user.URL + "/outbox"
1605 j["name"] = user.Display
1606 j["preferredUsername"] = user.Name
1607 j["summary"] = user.HTAbout
1608 var tags []junk.Junk
1609 for _, o := range user.Onts {
1610 t := junk.New()
1611 t["type"] = "Hashtag"
1612 o = strings.ToLower(o)
1613 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1614 t["name"] = o
1615 tags = append(tags, t)
1616 }
1617 if len(tags) > 0 {
1618 j["tag"] = tags
1619 }
1620
1621 if user.ID > 0 {
1622 j["type"] = "Person"
1623 j["url"] = user.URL
1624 j["followers"] = user.URL + "/followers"
1625 j["following"] = user.URL + "/following"
1626 a := junk.New()
1627 a["type"] = "Image"
1628 a["mediaType"] = "image/png"
1629 a["url"] = avatarURL(user)
1630 j["icon"] = a
1631 if ban := user.Options.Banner; ban != "" {
1632 a := junk.New()
1633 a["type"] = "Image"
1634 a["mediaType"] = "image/jpg"
1635 a["url"] = ban
1636 j["image"] = a
1637 }
1638 } else {
1639 j["type"] = "Service"
1640 }
1641 k := junk.New()
1642 k["id"] = user.URL + "#key"
1643 k["owner"] = user.URL
1644 k["publicKeyPem"] = user.Key
1645 j["publicKey"] = k
1646
1647 return j
1648}
1649
1650var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1651 user, err := butwhatabout(name)
1652 if err != nil {
1653 return nil, false
1654 }
1655 j := junkuser(user)
1656 return j.ToBytes(), true
1657}, Duration: 1 * time.Minute})
1658
1659func asjonker(name string) ([]byte, bool) {
1660 var j []byte
1661 ok := oldjonkers.Get(name, &j)
1662 return j, ok
1663}
1664
1665var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1666 m := strings.Split(name, "@")
1667 if len(m) != 2 {
1668 dlog.Printf("bad fish name: %s", name)
1669 return "", true
1670 }
1671 var href string
1672 row := stmtGetXonker.QueryRow(name, "fishname")
1673 err := row.Scan(&href)
1674 if err == nil {
1675 return href, true
1676 }
1677 dlog.Printf("fishing for %s", name)
1678 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1679 if err != nil {
1680 ilog.Printf("failed to go fish %s: %s", name, err)
1681 return "", true
1682 }
1683 links, _ := j.GetArray("links")
1684 for _, li := range links {
1685 l, ok := li.(junk.Junk)
1686 if !ok {
1687 continue
1688 }
1689 href, _ := l.GetString("href")
1690 rel, _ := l.GetString("rel")
1691 t, _ := l.GetString("type")
1692 if rel == "self" && friendorfoe(t) {
1693 when := time.Now().UTC().Format(dbtimeformat)
1694 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1695 if err != nil {
1696 elog.Printf("error saving fishname: %s", err)
1697 }
1698 return href, true
1699 }
1700 }
1701 return href, true
1702}, Duration: 1 * time.Minute})
1703
1704func gofish(name string) string {
1705 if name[0] == '@' {
1706 name = name[1:]
1707 }
1708 var href string
1709 handfull.Get(name, &href)
1710 return href
1711}
1712
1713func investigate(name string) (*SomeThing, error) {
1714 if name == "" {
1715 return nil, fmt.Errorf("no name")
1716 }
1717 if name[0] == '@' {
1718 name = gofish(name)
1719 }
1720 if name == "" {
1721 return nil, fmt.Errorf("no name")
1722 }
1723 obj, err := GetJunkFast(readyLuserOne, name)
1724 if err != nil {
1725 return nil, err
1726 }
1727 allinjest(originate(name), obj)
1728 return somethingabout(obj)
1729}
1730
1731func somethingabout(obj junk.Junk) (*SomeThing, error) {
1732 info := new(SomeThing)
1733 t, _ := obj.GetString("type")
1734 isowned := false
1735 switch t {
1736 case "Person":
1737 fallthrough
1738 case "Group":
1739 fallthrough
1740 case "Organization":
1741 fallthrough
1742 case "Application":
1743 fallthrough
1744 case "Service":
1745 info.What = SomeActor
1746 case "OrderedCollection":
1747 isowned = true
1748 fallthrough
1749 case "Collection":
1750 info.What = SomeCollection
1751 default:
1752 return nil, fmt.Errorf("unknown object type")
1753 }
1754 info.XID, _ = obj.GetString("id")
1755 info.Name, _ = obj.GetString("preferredUsername")
1756 if info.Name == "" {
1757 info.Name, _ = obj.GetString("name")
1758 }
1759 if isowned {
1760 info.Owner, _ = obj.GetString("attributedTo")
1761 }
1762 if info.Owner == "" {
1763 info.Owner = info.XID
1764 }
1765 return info, nil
1766}
1767
1768func allinjest(origin string, obj junk.Junk) {
1769 keyobj, ok := obj.GetMap("publicKey")
1770 if ok {
1771 ingestpubkey(origin, keyobj)
1772 }
1773 ingestboxes(origin, obj)
1774 ingesthandle(origin, obj)
1775}
1776
1777func ingestpubkey(origin string, obj junk.Junk) {
1778 keyobj, ok := obj.GetMap("publicKey")
1779 if ok {
1780 obj = keyobj
1781 }
1782 keyname, ok := obj.GetString("id")
1783 var data string
1784 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1785 err := row.Scan(&data)
1786 if err == nil {
1787 return
1788 }
1789 if !ok || origin != originate(keyname) {
1790 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1791 return
1792 }
1793 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1794 owner, ok := obj.GetString("owner")
1795 if !ok {
1796 ilog.Printf("error finding %s pubkey owner", keyname)
1797 return
1798 }
1799 data, ok = obj.GetString("publicKeyPem")
1800 if !ok {
1801 ilog.Printf("error finding %s pubkey", keyname)
1802 return
1803 }
1804 if originate(owner) != origin {
1805 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1806 return
1807 }
1808 _, _, err = httpsig.DecodeKey(data)
1809 if err != nil {
1810 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1811 return
1812 }
1813 when := time.Now().UTC().Format(dbtimeformat)
1814 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1815 if err != nil {
1816 elog.Printf("error saving key: %s", err)
1817 }
1818}
1819
1820func ingestboxes(origin string, obj junk.Junk) {
1821 ident, _ := obj.GetString("id")
1822 if ident == "" {
1823 return
1824 }
1825 if originate(ident) != origin {
1826 return
1827 }
1828 var info string
1829 row := stmtGetXonker.QueryRow(ident, "boxes")
1830 err := row.Scan(&info)
1831 if err == nil {
1832 return
1833 }
1834 dlog.Printf("ingesting boxes: %s", ident)
1835 inbox, _ := obj.GetString("inbox")
1836 outbox, _ := obj.GetString("outbox")
1837 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1838 if inbox != "" {
1839 when := time.Now().UTC().Format(dbtimeformat)
1840 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1841 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1842 if err != nil {
1843 elog.Printf("error saving boxes: %s", err)
1844 }
1845 }
1846}
1847
1848func ingesthandle(origin string, obj junk.Junk) {
1849 xid, _ := obj.GetString("id")
1850 if xid == "" {
1851 return
1852 }
1853 if originate(xid) != origin {
1854 return
1855 }
1856 var handle string
1857 row := stmtGetXonker.QueryRow(xid, "handle")
1858 err := row.Scan(&handle)
1859 if err == nil {
1860 return
1861 }
1862 handle, _ = obj.GetString("preferredUsername")
1863 if handle != "" {
1864 when := time.Now().UTC().Format(dbtimeformat)
1865 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1866 if err != nil {
1867 elog.Printf("error saving handle: %s", err)
1868 }
1869 }
1870}
1871
1872func updateMe(username string) {
1873 var user *WhatAbout
1874 somenamedusers.Get(username, &user)
1875 dt := time.Now().UTC().Format(time.RFC3339)
1876 j := junk.New()
1877 j["@context"] = itiswhatitis
1878 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1879 j["actor"] = user.URL
1880 j["published"] = dt
1881 j["to"] = thewholeworld
1882 j["type"] = "Update"
1883 j["object"] = junkuser(user)
1884
1885 msg := j.ToBytes()
1886
1887 rcpts := make(map[string]bool)
1888 for _, f := range getdubs(user.ID) {
1889 if f.XID == user.URL {
1890 continue
1891 }
1892 var box *Box
1893 boxofboxes.Get(f.XID, &box)
1894 if box != nil && box.Shared != "" {
1895 rcpts["%"+box.Shared] = true
1896 } else {
1897 rcpts[f.XID] = true
1898 }
1899 }
1900 for a := range rcpts {
1901 go deliverate(user.ID, a, msg)
1902 }
1903}
1904
1905func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1906 folxid, _ := j.GetString("id")
1907
1908 ilog.Printf("updating honker follow: %s %s", who, folxid)
1909
1910 var x string
1911 db := opendatabase()
1912 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1913 err := row.Scan(&x)
1914 if err != sql.ErrNoRows {
1915 ilog.Printf("duplicate follow request: %s", who)
1916 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1917 if err != nil {
1918 elog.Printf("error updating honker: %s", err)
1919 }
1920 } else {
1921 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1922 }
1923 go rubadubdub(user, j)
1924}
1925
1926func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1927 var folxid string
1928 if who == "" {
1929 folxid, _ = j.GetString("object")
1930
1931 db := opendatabase()
1932 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1933 err := row.Scan(&who, &name)
1934 if err != nil {
1935 if err != sql.ErrNoRows {
1936 elog.Printf("error scanning honker: %s", err)
1937 }
1938 return
1939 }
1940 }
1941
1942 ilog.Printf("updating honker undo: %s %s", who, folxid)
1943 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1944 if err != nil {
1945 elog.Printf("error updating honker: %s", err)
1946 return
1947 }
1948}
1949
1950func followyou(user *WhatAbout, honkerid int64, sync bool) {
1951 var url, owner string
1952 db := opendatabase()
1953 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1954 honkerid, user.ID)
1955 err := row.Scan(&url, &owner)
1956 if err != nil {
1957 elog.Printf("can't get honker xid: %s", err)
1958 return
1959 }
1960 folxid := xfiltrate()
1961 ilog.Printf("subscribing to %s", url)
1962 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1963 if err != nil {
1964 elog.Printf("error updating honker: %s", err)
1965 return
1966 }
1967 if sync {
1968 subsub(user, url, owner, folxid)
1969 } else {
1970 go subsub(user, url, owner, folxid)
1971 }
1972
1973}
1974func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1975 db := opendatabase()
1976 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1977 honkerid, user.ID)
1978 var url, owner, folxid, flavor string
1979 err := row.Scan(&url, &owner, &folxid, &flavor)
1980 if err != nil {
1981 elog.Printf("can't get honker xid: %s", err)
1982 return
1983 }
1984 if flavor == "peep" {
1985 return
1986 }
1987 ilog.Printf("unsubscribing from %s", url)
1988 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1989 if err != nil {
1990 elog.Printf("error updating honker: %s", err)
1991 return
1992 }
1993 if sync {
1994 itakeitallback(user, url, owner, folxid)
1995 } else {
1996 go itakeitallback(user, url, owner, folxid)
1997 }
1998}
1999
2000func followyou2(user *WhatAbout, j junk.Junk) {
2001 who, _ := j.GetString("actor")
2002
2003 ilog.Printf("updating honker accept: %s", who)
2004 db := opendatabase()
2005 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2006 user.ID, who)
2007 var name, folxid string
2008 err := row.Scan(&name, &folxid)
2009 if err != nil {
2010 elog.Printf("can't get honker name: %s", err)
2011 return
2012 }
2013 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2014 if err != nil {
2015 elog.Printf("error updating honker: %s", err)
2016 return
2017 }
2018}
2019
2020func nofollowyou2(user *WhatAbout, j junk.Junk) {
2021 who, _ := j.GetString("actor")
2022
2023 ilog.Printf("updating honker reject: %s", who)
2024 db := opendatabase()
2025 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2026 user.ID, who)
2027 var name, folxid string
2028 err := row.Scan(&name, &folxid)
2029 if err != nil {
2030 elog.Printf("can't get honker name: %s", err)
2031 return
2032 }
2033 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2034 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2035 if err != nil {
2036 elog.Printf("error updating honker: %s", err)
2037 return
2038 }
2039}