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