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/gate"
34 "humungus.tedunangst.com/r/webs/gencache"
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}
46
47const itiswhatitis = "https://www.w3.org/ns/activitystreams"
48const thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
49const tinyworld = "as:Public"
50const chatKeyProp = "chatKeyV0"
51
52var fastTimeout time.Duration = 5
53var slowTimeout time.Duration = 30
54
55func friendorfoe(ct string) bool {
56 ct = strings.ToLower(ct)
57 for _, at := range falsenames {
58 if strings.HasPrefix(ct, at) {
59 return true
60 }
61 }
62 return false
63}
64
65var honkTransport = http.Transport{
66 MaxIdleConns: 120,
67 MaxConnsPerHost: 4,
68}
69
70var honkClient = http.Client{
71 Transport: &honkTransport,
72}
73
74func gogglesDoNothing() {
75 honkTransport.TLSClientConfig = &tls.Config{
76 InsecureSkipVerify: true,
77 }
78}
79
80func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
81 return PostMsg(keyname, key, url, j.ToBytes())
82}
83
84func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
85 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
86 if err != nil {
87 return err
88 }
89 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
90 req.Header.Set("Content-Type", theonetruename)
91 httpsig.SignRequest(keyname, key, req, msg)
92 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
93 defer cancel()
94 req = req.WithContext(ctx)
95 resp, err := honkClient.Do(req)
96 if err != nil {
97 return err
98 }
99 defer resp.Body.Close()
100 switch resp.StatusCode {
101 case 200:
102 case 201:
103 case 202:
104 default:
105 var buf [4096]byte
106 n, _ := resp.Body.Read(buf[:])
107 dlog.Printf("post failure message: %s", buf[:n])
108 return fmt.Errorf("http post status: %d", resp.StatusCode)
109 }
110 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
111 return nil
112}
113
114func GetJunk(userid int64, url string) (junk.Junk, error) {
115 return GetJunkTimeout(userid, url, slowTimeout*time.Second, nil)
116}
117
118func GetJunkFast(userid int64, url string) (junk.Junk, error) {
119 return GetJunkTimeout(userid, url, fastTimeout*time.Second, nil)
120}
121
122func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
123 j, err := GetJunk(userid, url)
124 if err != nil {
125 emsg := err.Error()
126 if emsg == "http get status: 429" || emsg == "http get status: 502" ||
127 strings.Contains(emsg, "timeout") {
128 ilog.Printf("trying %s again after error: %s", url, emsg)
129 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
130 j, err = GetJunk(userid, url)
131 if err != nil {
132 ilog.Printf("still couldn't get %s", url)
133 } else {
134 ilog.Printf("retry success!")
135 }
136 }
137 }
138 return j, err
139}
140
141var flightdeck = gate.NewSerializer()
142
143func GetJunkTimeout(userid int64, url string, timeout time.Duration, final *string) (junk.Junk, error) {
144 if rejectorigin(userid, url, false) {
145 return nil, fmt.Errorf("rejected origin: %s", url)
146 }
147 if final != nil {
148 *final = url
149 }
150 sign := func(req *http.Request) error {
151 ki := ziggy(userid)
152 if ki != nil {
153 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
154 }
155 return nil
156 }
157 if develMode {
158 sign = nil
159 }
160 client := honkClient
161 client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
162 if len(via) >= 5 {
163 return fmt.Errorf("stopped after 5 redirects")
164 }
165 if final != nil {
166 *final = req.URL.String()
167 }
168 if sign != nil {
169 sign(req)
170 }
171 return nil
172 }
173 fn := func() (interface{}, error) {
174 at := theonetruename
175 if strings.Contains(url, ".well-known/webfinger?resource") {
176 at = "application/jrd+json"
177 }
178 j, err := junk.Get(url, junk.GetArgs{
179 Accept: at,
180 Agent: "honksnonk/5.0; " + serverName,
181 Timeout: timeout,
182 Client: &client,
183 Fixup: sign,
184 })
185 return j, err
186 }
187
188 ji, err := flightdeck.Call(url, fn)
189 if err != nil {
190 return nil, err
191 }
192 j := ji.(junk.Junk)
193 return j, nil
194}
195
196func fetchsome(url string) ([]byte, error) {
197 req, err := http.NewRequest("GET", url, nil)
198 if err != nil {
199 ilog.Printf("error fetching %s: %s", url, err)
200 return nil, err
201 }
202 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
203 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
204 defer cancel()
205 req = req.WithContext(ctx)
206 resp, err := honkClient.Do(req)
207 if err != nil {
208 ilog.Printf("error fetching %s: %s", url, err)
209 return nil, err
210 }
211 defer resp.Body.Close()
212 switch resp.StatusCode {
213 case 200:
214 case 201:
215 case 202:
216 default:
217 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
218 }
219 var buf bytes.Buffer
220 limiter := io.LimitReader(resp.Body, 14*1024*1024)
221 io.Copy(&buf, limiter)
222 return buf.Bytes(), nil
223}
224
225func savedonk(url string, name, desc, media string, localize bool) *Donk {
226 if url == "" {
227 return nil
228 }
229 if donk := finddonk(url); donk != nil {
230 return donk
231 }
232 ilog.Printf("saving donk: %s", url)
233 data := []byte{}
234 if localize {
235 fn := func() (interface{}, error) {
236 return fetchsome(url)
237 }
238 ii, err := flightdeck.Call(url, fn)
239 if err != nil {
240 ilog.Printf("error fetching donk: %s", err)
241 localize = false
242 goto saveit
243 }
244 data = ii.([]byte)
245
246 if len(data) == 10*1024*1024 {
247 ilog.Printf("truncation likely")
248 }
249 if strings.HasPrefix(media, "image") {
250 img, err := shrinkit(data)
251 if err != nil {
252 ilog.Printf("unable to decode image: %s", err)
253 localize = false
254 data = []byte{}
255 goto saveit
256 }
257 data = img.Data
258 media = "image/" + img.Format
259 } else if media == "application/pdf" {
260 if len(data) > 1000000 {
261 ilog.Printf("not saving large pdf")
262 localize = false
263 data = []byte{}
264 }
265 } else if len(data) > 100000 {
266 ilog.Printf("not saving large attachment")
267 localize = false
268 data = []byte{}
269 }
270 }
271saveit:
272 fileid, err := savefile(name, desc, url, media, localize, data)
273 if err != nil {
274 elog.Printf("error saving file %s: %s", url, err)
275 return nil
276 }
277 donk := new(Donk)
278 donk.FileID = fileid
279 return donk
280}
281
282func iszonked(userid int64, xid string) bool {
283 var id int64
284 row := stmtFindZonk.QueryRow(userid, xid)
285 err := row.Scan(&id)
286 if err == nil {
287 return true
288 }
289 if err != sql.ErrNoRows {
290 ilog.Printf("error querying zonk: %s", err)
291 }
292 return false
293}
294
295func needxonk(user *WhatAbout, x *Honk) bool {
296 if rejectxonk(x) {
297 return false
298 }
299 return needxonkid(user, x.XID)
300}
301func needbonkid(user *WhatAbout, xid string) bool {
302 return needxonkidX(user, xid, true)
303}
304func needxonkid(user *WhatAbout, xid string) bool {
305 return needxonkidX(user, xid, false)
306}
307func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
308 if !strings.HasPrefix(xid, "https://") {
309 return false
310 }
311 if strings.HasPrefix(xid, user.URL+"/") {
312 return false
313 }
314 if rejectorigin(user.ID, xid, isannounce) {
315 ilog.Printf("rejecting origin: %s", xid)
316 return false
317 }
318 if iszonked(user.ID, xid) {
319 ilog.Printf("already zonked: %s", xid)
320 return false
321 }
322 var id int64
323 row := stmtFindXonk.QueryRow(user.ID, xid)
324 err := row.Scan(&id)
325 if err == nil {
326 return false
327 }
328 if err != sql.ErrNoRows {
329 ilog.Printf("error querying xonk: %s", err)
330 }
331 return true
332}
333
334func eradicatexonk(userid int64, xid string) {
335 xonk := getxonk(userid, xid)
336 if xonk != nil {
337 deletehonk(xonk.ID)
338 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
339 if err != nil {
340 elog.Printf("error eradicating: %s", err)
341 }
342 }
343}
344
345func savexonk(x *Honk) {
346 ilog.Printf("saving xonk: %s", x.XID)
347 go handles(x.Honker)
348 go handles(x.Oonker)
349 savehonk(x)
350}
351
352type Box struct {
353 In string
354 Out string
355 Shared string
356}
357
358var boxofboxes = gencache.New(gencache.Options[string, *Box]{Fill: func(ident string) (*Box, bool) {
359 var info string
360 row := stmtGetXonker.QueryRow(ident, "boxes")
361 err := row.Scan(&info)
362 if err != nil {
363 dlog.Printf("need to get boxes for %s", ident)
364 var j junk.Junk
365 j, err = GetJunk(readyLuserOne, ident)
366 if err != nil {
367 dlog.Printf("error getting boxes: %s", err)
368 return nil, false
369 }
370 allinjest(originate(ident), j)
371 row = stmtGetXonker.QueryRow(ident, "boxes")
372 err = row.Scan(&info)
373 }
374 if err == nil {
375 m := strings.Split(info, " ")
376 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
377 return b, true
378 }
379 return nil, false
380}})
381
382var gettergate = gate.NewLimiter(1)
383
384func getsomemore(user *WhatAbout, page string) {
385 time.Sleep(5 * time.Second)
386 gettergate.Start()
387 defer gettergate.Finish()
388 gimmexonks(user, page)
389}
390
391func gimmexonks(user *WhatAbout, outbox string) {
392 dlog.Printf("getting outbox: %s", outbox)
393 j, err := GetJunk(user.ID, outbox)
394 if err != nil {
395 ilog.Printf("error getting outbox: %s", err)
396 return
397 }
398 t, _ := j.GetString("type")
399 origin := originate(outbox)
400 if t == "OrderedCollection" || t == "CollectionPage" {
401 items, _ := j.GetArray("orderedItems")
402 if items == nil {
403 items, _ = j.GetArray("items")
404 }
405 if items == nil {
406 obj, ok := j.GetMap("first")
407 if ok {
408 items, _ = obj.GetArray("orderedItems")
409 } else {
410 page1, ok := j.GetString("first")
411 if ok {
412 j, err = GetJunk(user.ID, page1)
413 if err != nil {
414 ilog.Printf("error getting page1: %s", err)
415 return
416 }
417 items, _ = j.GetArray("orderedItems")
418 }
419 }
420 }
421 if len(items) > 20 {
422 items = items[0:20]
423 }
424 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
425 items[i], items[j] = items[j], items[i]
426 }
427 for _, item := range items {
428 obj, ok := item.(junk.Junk)
429 if ok {
430 xonksaver(user, obj, origin)
431 continue
432 }
433 xid, ok := item.(string)
434 if ok {
435 if !needxonkid(user, xid) {
436 continue
437 }
438 obj, err = GetJunk(user.ID, xid)
439 if err != nil {
440 ilog.Printf("error getting item: %s", err)
441 continue
442 }
443 xonksaver(user, obj, originate(xid))
444 }
445 }
446 }
447}
448
449func newphone(a []string, obj junk.Junk) []string {
450 for _, addr := range []string{"to", "cc", "attributedTo"} {
451 who, _ := obj.GetString(addr)
452 if who != "" {
453 a = append(a, who)
454 }
455 whos, _ := obj.GetArray(addr)
456 for _, w := range whos {
457 who, _ := w.(string)
458 if who != "" {
459 a = append(a, who)
460 }
461 }
462 }
463 return a
464}
465
466func extractattrto(obj junk.Junk) string {
467 arr := oneforall(obj, "attributedTo")
468 for _, a := range arr {
469 s, ok := a.(string)
470 if ok {
471 return s
472 }
473 o, ok := a.(junk.Junk)
474 if ok {
475 t, _ := o.GetString("type")
476 id, _ := o.GetString("id")
477 if t == "Person" || t == "" {
478 return id
479 }
480 }
481 }
482 return ""
483}
484
485func oneforall(obj junk.Junk, key string) []interface{} {
486 if val, ok := obj.GetMap(key); ok {
487 return []interface{}{val}
488 }
489 if str, ok := obj.GetString(key); ok {
490 return []interface{}{str}
491 }
492 arr, _ := obj.GetArray(key)
493 return arr
494}
495
496func firstofmany(obj junk.Junk, key string) string {
497 if val, _ := obj.GetString(key); val != "" {
498 return val
499 }
500 if arr, _ := obj.GetArray(key); len(arr) > 0 {
501 val, ok := arr[0].(string)
502 if ok {
503 return val
504 }
505 }
506 return ""
507}
508
509var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
510var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)(@[[:alnum:].]+)?/([[:digit:]]+)`)
511var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
512var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
513var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
514var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
515var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
516
517func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
518 depth := 0
519 maxdepth := 10
520 currenttid := ""
521 goingup := 0
522 var xonkxonkfn func(junk.Junk, string, bool, string) *Honk
523
524 qutify := func(user *WhatAbout, qurl, content string) string {
525 if depth >= maxdepth {
526 ilog.Printf("in too deep")
527 return content
528 }
529 // well this is gross
530 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
531 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
532 mlinks := re_qtlinks.FindAllString(malcontent, -1)
533 if qurl != "" {
534 mlinks = append(mlinks, ">"+qurl+"<")
535 }
536 mlinks = oneofakind(mlinks)
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 tryit = true
546 }
547 if tryit {
548 var prefix string
549 if m == qurl {
550 prefix += fmt.Sprintf("<p><a href=\"%s\">%s</a>", m, m)
551 }
552 var final string
553 if x := getxonk(user.ID, m); x != nil {
554 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, x.Noise)
555 } else if j, err := GetJunkTimeout(user.ID, m, fastTimeout*time.Second, &final); err == nil {
556 q, ok := j.GetString("content")
557 if ok {
558 content = fmt.Sprintf("%s%s<blockquote>%s</blockquote>", content, prefix, q)
559 }
560 prevdepth := depth
561 depth = maxdepth
562 xonkxonkfn(j, originate(final), false, "")
563 depth = prevdepth
564 }
565 }
566 }
567 return content
568 }
569
570 saveonemore := func(xid string) {
571 dlog.Printf("getting onemore: %s", xid)
572 if depth >= maxdepth {
573 ilog.Printf("in too deep")
574 return
575 }
576 obj, err := GetJunkHardMode(user.ID, xid)
577 if err != nil {
578 ilog.Printf("error getting onemore: %s: %s", xid, err)
579 return
580 }
581 xonkxonkfn(obj, originate(xid), false, "")
582 }
583
584 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, bonker string) *Honk {
585 id, _ := item.GetString("id")
586 what := firstofmany(item, "type")
587 dt, ok := item.GetString("published")
588 if !ok {
589 dt = time.Now().Format(time.RFC3339)
590 }
591 if depth >= maxdepth+5 {
592 ilog.Printf("went too deep in xonkxonk")
593 return nil
594 }
595 depth++
596 defer func() { depth-- }()
597
598 var err error
599 var xid, rid, url, convoy string
600 var replies []string
601 var obj junk.Junk
602 waspage := false
603 preferorig := false
604 switch what {
605 case "Delete":
606 obj, ok = item.GetMap("object")
607 if ok {
608 xid, _ = obj.GetString("id")
609 } else {
610 xid, _ = item.GetString("object")
611 }
612 if xid == "" {
613 return nil
614 }
615 if originate(xid) != origin {
616 ilog.Printf("forged delete: %s", xid)
617 return nil
618 }
619 ilog.Printf("eradicating %s", xid)
620 eradicatexonk(user.ID, xid)
621 return nil
622 case "Remove":
623 xid, _ = item.GetString("object")
624 targ, _ := obj.GetString("target")
625 ilog.Printf("remove %s from %s", obj, targ)
626 return nil
627 case "Tombstone":
628 xid, _ = item.GetString("id")
629 if xid == "" {
630 return nil
631 }
632 if originate(xid) != origin {
633 ilog.Printf("forged delete: %s", xid)
634 return nil
635 }
636 ilog.Printf("eradicating %s", xid)
637 eradicatexonk(user.ID, xid)
638 return nil
639 case "Announce":
640 obj, ok = item.GetMap("object")
641 if ok {
642 // peek ahead some
643 what := firstofmany(obj, "type")
644 if what == "Create" || what == "Update" {
645 if what == "Update" {
646 isUpdate = true
647 }
648 inner, ok := obj.GetMap("object")
649 if ok {
650 obj = inner
651 } else {
652 xid, _ = obj.GetString("object")
653 }
654 }
655 if xid == "" {
656 xid, _ = obj.GetString("id")
657 }
658 } else {
659 xid, _ = item.GetString("object")
660 }
661 if !isUpdate && !needbonkid(user, xid) {
662 return nil
663 }
664 bonker, _ = item.GetString("actor")
665 if originate(bonker) != origin {
666 ilog.Printf("out of bounds actor in bonk: %s not from %s", bonker, origin)
667 item.Write(ilog.Writer())
668 return nil
669 }
670 origin = originate(xid)
671 if ok && originate(id) == origin {
672 dlog.Printf("using object in announce for %s", xid)
673 } else {
674 dlog.Printf("getting bonk: %s", xid)
675 obj, err = GetJunkHardMode(user.ID, xid)
676 if err != nil {
677 ilog.Printf("error getting bonk: %s: %s", xid, err)
678 return nil
679 }
680 }
681 return xonkxonkfn(obj, origin, isUpdate, bonker)
682 case "Update":
683 isUpdate = true
684 fallthrough
685 case "Create":
686 obj, ok = item.GetMap("object")
687 if !ok {
688 xid, _ = item.GetString("object")
689 dlog.Printf("getting created honk: %s", xid)
690 if originate(xid) != origin {
691 ilog.Printf("out of bounds object in create: %s not from %s", xid, origin)
692 return nil
693 }
694 obj, err = GetJunkHardMode(user.ID, xid)
695 if err != nil {
696 ilog.Printf("error getting creation: %s", err)
697 }
698 }
699 if obj == nil {
700 ilog.Printf("no object for creation %s", id)
701 return nil
702 }
703 return xonkxonkfn(obj, origin, isUpdate, bonker)
704 case "Read":
705 xid, ok = item.GetString("object")
706 if ok {
707 if !needxonkid(user, xid) {
708 dlog.Printf("don't need read obj: %s", xid)
709 return nil
710 }
711 obj, err = GetJunkHardMode(user.ID, xid)
712 if err != nil {
713 ilog.Printf("error getting read: %s", err)
714 return nil
715 }
716 return xonkxonkfn(obj, originate(xid), false, "")
717 }
718 return nil
719 case "Add":
720 xid, ok = item.GetString("object")
721 if ok {
722 // check target...
723 if !needxonkid(user, xid) {
724 dlog.Printf("don't need added obj: %s", xid)
725 return nil
726 }
727 obj, err = GetJunkHardMode(user.ID, xid)
728 if err != nil {
729 ilog.Printf("error getting add: %s", err)
730 return nil
731 }
732 return xonkxonkfn(obj, originate(xid), false, "")
733 }
734 return nil
735 case "Move":
736 obj = item
737 what = "move"
738 case "Page":
739 waspage = true
740 fallthrough
741 case "Audio":
742 fallthrough
743 case "Image":
744 if what == "Image" {
745 preferorig = true
746 }
747 fallthrough
748 case "Video":
749 fallthrough
750 case "Question":
751 fallthrough
752 case "Note":
753 fallthrough
754 case "Article":
755 obj = item
756 what = "honk"
757 case "Event":
758 obj = item
759 what = "event"
760 case "ChatMessage":
761 bonker = ""
762 obj = item
763 what = "chonk"
764 default:
765 ilog.Printf("unknown activity: %s", what)
766 dumpactivity(item)
767 return nil
768 }
769 if bonker != "" {
770 what = "bonk"
771 }
772
773 if obj != nil {
774 xid, _ = obj.GetString("id")
775 }
776
777 if xid == "" {
778 ilog.Printf("don't know what xid is")
779 item.Write(ilog.Writer())
780 return nil
781 }
782 if originate(xid) != origin {
783 if !develMode && origin != "" {
784 ilog.Printf("original sin: %s not from %s", xid, origin)
785 item.Write(ilog.Writer())
786 return nil
787 }
788 }
789
790 var xonk Honk
791 // early init
792 xonk.XID = xid
793 xonk.UserID = user.ID
794 xonk.Honker, _ = item.GetString("actor")
795 if xonk.Honker == "" {
796 xonk.Honker = extractattrto(item)
797 }
798 if originate(xonk.Honker) != origin {
799 ilog.Printf("out of bounds honker %s from %s", xonk.Honker, origin)
800 item.Write(ilog.Writer())
801 return nil
802 }
803 if obj != nil {
804 if xonk.Honker == "" {
805 xonk.Honker = extractattrto(obj)
806 }
807 if bonker != "" {
808 xonk.Honker, xonk.Oonker = bonker, xonk.Honker
809 }
810 if xonk.Oonker == xonk.Honker {
811 xonk.Oonker = ""
812 }
813 xonk.Audience = newphone(nil, obj)
814 }
815 xonk.Audience = append(xonk.Audience, xonk.Honker)
816 xonk.Audience = oneofakind(xonk.Audience)
817 for i, a := range xonk.Audience {
818 if a == tinyworld {
819 xonk.Audience[i] = thewholeworld
820 }
821 }
822 xonk.Public = loudandproud(xonk.Audience)
823
824 var mentions []Mention
825 if obj != nil {
826 ot := firstofmany(obj, "type")
827 url, _ = obj.GetString("url")
828 if dt2, ok := obj.GetString("published"); ok {
829 dt = dt2
830 }
831 content, _ := obj.GetString("content")
832 if !strings.HasPrefix(content, "<p>") {
833 content = "<p>" + content
834 }
835 precis, _ := obj.GetString("summary")
836 if name, ok := obj.GetString("name"); ok {
837 if precis != "" {
838 content = precis + "<p>" + content
839 }
840 precis = html.EscapeString(name)
841 }
842 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
843 precis = "unspecified horror"
844 }
845 if waspage {
846 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
847 url = xid
848 }
849 if user.Options.InlineQuotes {
850 qurl, _ := obj.GetString("quoteUrl")
851 content = qutify(user, qurl, content)
852 }
853 rid, ok = obj.GetString("inReplyTo")
854 if !ok {
855 if robj, ok := obj.GetMap("inReplyTo"); ok {
856 rid, _ = robj.GetString("id")
857 }
858 }
859 convoy, _ = obj.GetString("context")
860 if convoy == "" {
861 convoy, _ = obj.GetString("conversation")
862 }
863 if ot == "Question" {
864 if what == "honk" {
865 what = "qonk"
866 }
867 content += "<ul>"
868 ans, _ := obj.GetArray("oneOf")
869 for _, ai := range ans {
870 a, ok := ai.(junk.Junk)
871 if !ok {
872 continue
873 }
874 as, _ := a.GetString("name")
875 content += "<li>" + as
876 }
877 ans, _ = obj.GetArray("anyOf")
878 for _, ai := range ans {
879 a, ok := ai.(junk.Junk)
880 if !ok {
881 continue
882 }
883 as, _ := a.GetString("name")
884 content += "<li>" + as
885 }
886 content += "</ul>"
887 }
888 if ot == "Move" {
889 targ, _ := obj.GetString("target")
890 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
891 }
892 if len(content) > 90001 {
893 ilog.Printf("content too long. truncating")
894 content = content[:90001]
895 }
896
897 xonk.Noise = content
898 xonk.Precis = precis
899 if rejectxonk(&xonk) {
900 dlog.Printf("fast reject: %s", xid)
901 return nil
902 }
903
904 numatts := 0
905 procatt := func(att junk.Junk) {
906 at, _ := att.GetString("type")
907 mt, _ := att.GetString("mediaType")
908 if mt == "" {
909 mt = "image"
910 }
911 u, ok := att.GetString("url")
912 if !ok {
913 u, ok = att.GetString("href")
914 }
915 if !ok {
916 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
917 u, ok = ua[0].(string)
918 if !ok {
919 if uu, ok := ua[0].(junk.Junk); ok {
920 u, _ = uu.GetString("href")
921 if mt == "" {
922 mt, _ = uu.GetString("mediaType")
923 }
924 }
925 }
926 } else if uu, ok := att.GetMap("url"); ok {
927 u, _ = uu.GetString("href")
928 if mt == "" {
929 mt, _ = uu.GetString("mediaType")
930 }
931 }
932 }
933 name, _ := att.GetString("name")
934 desc, _ := att.GetString("summary")
935 desc = html.UnescapeString(desc)
936 if desc == "" {
937 desc = name
938 }
939 localize := false
940 if at == "Document" || at == "Image" {
941 mt = strings.ToLower(mt)
942 dlog.Printf("attachment: %s %s", mt, u)
943 if mt == "text/plain" || mt == "application/pdf" ||
944 strings.HasPrefix(mt, "image") {
945 if numatts > 4 {
946 ilog.Printf("excessive attachment: %s", at)
947 } else {
948 localize = true
949 }
950 }
951 } else if at == "Link" {
952 if waspage {
953 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
954 return
955 }
956 if name == "" {
957 name = u
958 }
959 } else {
960 ilog.Printf("unknown attachment: %s", at)
961 }
962 if skipMedia(&xonk) {
963 localize = false
964 }
965 if preferorig && !localize {
966 return
967 }
968 donk := savedonk(u, name, desc, mt, localize)
969 if donk != nil {
970 xonk.Donks = append(xonk.Donks, donk)
971 }
972 numatts++
973 }
974 if img, ok := obj.GetMap("image"); ok {
975 procatt(img)
976 }
977 if preferorig {
978 atts, _ := obj.GetArray("url")
979 for _, atti := range atts {
980 att, ok := atti.(junk.Junk)
981 if !ok {
982 ilog.Printf("attachment that wasn't map?")
983 continue
984 }
985 procatt(att)
986 }
987 if numatts == 0 {
988 preferorig = false
989 }
990 }
991 if !preferorig {
992 atts := oneforall(obj, "attachment")
993 for _, atti := range atts {
994 att, ok := atti.(junk.Junk)
995 if !ok {
996 ilog.Printf("attachment that wasn't map?")
997 continue
998 }
999 procatt(att)
1000 }
1001 }
1002 proctag := func(tag junk.Junk) {
1003 tt, _ := tag.GetString("type")
1004 name, _ := tag.GetString("name")
1005 desc, _ := tag.GetString("summary")
1006 desc = html.UnescapeString(desc)
1007 if desc == "" {
1008 desc = name
1009 }
1010 if tt == "Emoji" {
1011 icon, _ := tag.GetMap("icon")
1012 mt, _ := icon.GetString("mediaType")
1013 if mt == "" {
1014 mt = "image/png"
1015 }
1016 u, _ := icon.GetString("url")
1017 donk := savedonk(u, name, desc, mt, true)
1018 if donk != nil {
1019 xonk.Donks = append(xonk.Donks, donk)
1020 }
1021 }
1022 if tt == "Hashtag" {
1023 if name == "" || name == "#" {
1024 // skip it
1025 } else {
1026 if name[0] != '#' {
1027 name = "#" + name
1028 }
1029 xonk.Onts = append(xonk.Onts, name)
1030 }
1031 }
1032 if tt == "Place" {
1033 p := new(Place)
1034 p.Name = name
1035 p.Latitude, _ = tag.GetNumber("latitude")
1036 p.Longitude, _ = tag.GetNumber("longitude")
1037 p.Url, _ = tag.GetString("url")
1038 xonk.Place = p
1039 }
1040 if tt == "Mention" {
1041 var m Mention
1042 m.Who, _ = tag.GetString("name")
1043 m.Where, _ = tag.GetString("href")
1044 mentions = append(mentions, m)
1045 }
1046 }
1047 tags := oneforall(obj, "tag")
1048 for _, tagi := range tags {
1049 tag, ok := tagi.(junk.Junk)
1050 if !ok {
1051 continue
1052 }
1053 proctag(tag)
1054 }
1055 if starttime, ok := obj.GetString("startTime"); ok {
1056 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1057 t := new(Time)
1058 t.StartTime = start
1059 endtime, _ := obj.GetString("endTime")
1060 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1061 dura, _ := obj.GetString("duration")
1062 if strings.HasPrefix(dura, "PT") {
1063 dura = strings.ToLower(dura[2:])
1064 d, _ := time.ParseDuration(dura)
1065 t.Duration = Duration(d)
1066 }
1067 xonk.Time = t
1068 }
1069 }
1070 if loca, ok := obj.GetMap("location"); ok {
1071 if tt, _ := loca.GetString("type"); tt == "Place" {
1072 p := new(Place)
1073 p.Name, _ = loca.GetString("name")
1074 p.Latitude, _ = loca.GetNumber("latitude")
1075 p.Longitude, _ = loca.GetNumber("longitude")
1076 p.Url, _ = loca.GetString("url")
1077 xonk.Place = p
1078 }
1079 }
1080
1081 xonk.Onts = oneofakind(xonk.Onts)
1082 replyobj, ok := obj.GetMap("replies")
1083 if ok {
1084 items, ok := replyobj.GetArray("items")
1085 if !ok {
1086 first, ok := replyobj.GetMap("first")
1087 if ok {
1088 items, _ = first.GetArray("items")
1089 }
1090 }
1091 for _, repl := range items {
1092 s, ok := repl.(string)
1093 if ok {
1094 replies = append(replies, s)
1095 }
1096 }
1097 }
1098
1099 }
1100
1101 if currenttid == "" {
1102 currenttid = convoy
1103 }
1104
1105 // init xonk
1106 xonk.What = what
1107 xonk.RID = rid
1108 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1109 xonk.URL = url
1110 xonk.Format = "html"
1111 xonk.Convoy = convoy
1112 xonk.Mentions = mentions
1113 for _, m := range mentions {
1114 if m.Where == user.URL {
1115 xonk.Whofore = 1
1116 }
1117 }
1118 imaginate(&xonk)
1119
1120 if what == "chonk" {
1121 // undo damage above
1122 xonk.Noise = strings.TrimPrefix(xonk.Noise, "<p>")
1123 target := firstofmany(obj, "to")
1124 if target == user.URL {
1125 target = xonk.Honker
1126 }
1127 enc, _ := obj.GetString(chatKeyProp)
1128 if enc != "" {
1129 var dec string
1130 if pubkey, ok := getchatkey(xonk.Honker); ok {
1131 dec, err = decryptString(xonk.Noise, user.ChatSecKey, pubkey)
1132 if err != nil {
1133 ilog.Printf("failed to decrypt chonk")
1134 }
1135 }
1136 if err == nil {
1137 dlog.Printf("successful decrypt from %s", xonk.Honker)
1138 xonk.Noise = dec
1139 }
1140 }
1141 ch := Chonk{
1142 UserID: xonk.UserID,
1143 XID: xid,
1144 Who: xonk.Honker,
1145 Target: target,
1146 Date: xonk.Date,
1147 Noise: xonk.Noise,
1148 Format: xonk.Format,
1149 Donks: xonk.Donks,
1150 }
1151 savechonk(&ch)
1152 return nil
1153 }
1154
1155 if isUpdate {
1156 dlog.Printf("something has changed! %s", xonk.XID)
1157 prev := getxonk(user.ID, xonk.XID)
1158 if prev == nil {
1159 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1160 isUpdate = false
1161 } else {
1162 xonk.ID = prev.ID
1163 updatehonk(&xonk)
1164 }
1165 }
1166 if !isUpdate && needxonk(user, &xonk) {
1167 if rid != "" && xonk.Public {
1168 if needxonkid(user, rid) {
1169 goingup++
1170 saveonemore(rid)
1171 goingup--
1172 }
1173 if convoy == "" {
1174 xx := getxonk(user.ID, rid)
1175 if xx != nil {
1176 convoy = xx.Convoy
1177 }
1178 }
1179 }
1180 if convoy == "" {
1181 convoy = currenttid
1182 }
1183 if convoy == "" {
1184 convoy = xonk.XID
1185 currenttid = convoy
1186 }
1187 xonk.Convoy = convoy
1188 savexonk(&xonk)
1189 }
1190 if goingup == 0 {
1191 for _, replid := range replies {
1192 if needxonkid(user, replid) {
1193 dlog.Printf("missing a reply: %s", replid)
1194 saveonemore(replid)
1195 }
1196 }
1197 }
1198 return &xonk
1199 }
1200
1201 return xonkxonkfn(item, origin, false, "")
1202}
1203
1204func dumpactivity(item junk.Junk) {
1205 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1206 if err != nil {
1207 elog.Printf("error opening inbox! %s", err)
1208 return
1209 }
1210 defer fd.Close()
1211 item.Write(fd)
1212 io.WriteString(fd, "\n")
1213}
1214
1215func rubadubdub(user *WhatAbout, req junk.Junk) {
1216 actor, _ := req.GetString("actor")
1217 j := junk.New()
1218 j["@context"] = itiswhatitis
1219 j["id"] = user.URL + "/dub/" + xfiltrate()
1220 j["type"] = "Accept"
1221 j["actor"] = user.URL
1222 j["to"] = actor
1223 j["published"] = time.Now().UTC().Format(time.RFC3339)
1224 j["object"] = req
1225
1226 deliverate(user.ID, actor, j.ToBytes())
1227}
1228
1229func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1230 j := junk.New()
1231 j["@context"] = itiswhatitis
1232 j["id"] = user.URL + "/unsub/" + folxid
1233 j["type"] = "Undo"
1234 j["actor"] = user.URL
1235 j["to"] = owner
1236 f := junk.New()
1237 f["id"] = user.URL + "/sub/" + folxid
1238 f["type"] = "Follow"
1239 f["actor"] = user.URL
1240 f["to"] = owner
1241 f["object"] = xid
1242 j["object"] = f
1243 j["published"] = time.Now().UTC().Format(time.RFC3339)
1244
1245 deliverate(user.ID, owner, j.ToBytes())
1246}
1247
1248func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1249 if xid == "" {
1250 ilog.Printf("can't subscribe to empty")
1251 return
1252 }
1253 j := junk.New()
1254 j["@context"] = itiswhatitis
1255 j["id"] = user.URL + "/sub/" + folxid
1256 j["type"] = "Follow"
1257 j["actor"] = user.URL
1258 j["to"] = owner
1259 j["object"] = xid
1260 j["published"] = time.Now().UTC().Format(time.RFC3339)
1261
1262 deliverate(user.ID, owner, j.ToBytes())
1263}
1264
1265func activatedonks(donks []*Donk) []junk.Junk {
1266 var atts []junk.Junk
1267 for _, d := range donks {
1268 if re_emus.MatchString(d.Name) {
1269 continue
1270 }
1271 jd := junk.New()
1272 jd["mediaType"] = d.Media
1273 jd["name"] = d.Name
1274 jd["summary"] = html.EscapeString(d.Desc)
1275 jd["type"] = "Document"
1276 jd["url"] = d.URL
1277 atts = append(atts, jd)
1278 }
1279 return atts
1280}
1281
1282// returns activity, object
1283func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1284 dt := h.Date.Format(time.RFC3339)
1285 var jo junk.Junk
1286 j := junk.New()
1287 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1288 j["actor"] = user.URL
1289 j["published"] = dt
1290 j["to"] = h.Audience[0]
1291 if len(h.Audience) > 1 {
1292 j["cc"] = h.Audience[1:]
1293 }
1294
1295 switch h.What {
1296 case "update":
1297 fallthrough
1298 case "event":
1299 fallthrough
1300 case "honk":
1301 j["type"] = "Create"
1302 jo = junk.New()
1303 jo["id"] = h.XID
1304 jo["type"] = "Note"
1305 if h.What == "event" {
1306 jo["type"] = "Event"
1307 }
1308 if h.What == "update" {
1309 j["type"] = "Update"
1310 jo["updated"] = dt
1311 }
1312 jo["published"] = dt
1313 jo["url"] = h.XID
1314 jo["attributedTo"] = user.URL
1315 if h.RID != "" {
1316 jo["inReplyTo"] = h.RID
1317 }
1318 if h.Convoy != "" {
1319 jo["context"] = h.Convoy
1320 jo["conversation"] = h.Convoy
1321 }
1322 jo["to"] = h.Audience[0]
1323 if len(h.Audience) > 1 {
1324 jo["cc"] = h.Audience[1:]
1325 }
1326 if !h.Public {
1327 jo["directMessage"] = true
1328 }
1329 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1330 translate(h)
1331 redoimages(h)
1332 if h.Precis != "" {
1333 jo["sensitive"] = true
1334 }
1335
1336 var replies []string
1337 for _, reply := range h.Replies {
1338 replies = append(replies, reply.XID)
1339 }
1340 if len(replies) > 0 {
1341 jr := junk.New()
1342 jr["type"] = "Collection"
1343 jr["totalItems"] = len(replies)
1344 jr["items"] = replies
1345 jo["replies"] = jr
1346 }
1347
1348 var tags []junk.Junk
1349 for _, m := range h.Mentions {
1350 t := junk.New()
1351 t["type"] = "Mention"
1352 t["name"] = m.Who
1353 t["href"] = m.Where
1354 tags = append(tags, t)
1355 }
1356 for _, o := range h.Onts {
1357 t := junk.New()
1358 t["type"] = "Hashtag"
1359 o = strings.ToLower(o)
1360 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1361 t["name"] = o
1362 tags = append(tags, t)
1363 }
1364 for _, e := range herdofemus(h.Noise) {
1365 t := junk.New()
1366 t["id"] = e.ID
1367 t["type"] = "Emoji"
1368 t["name"] = e.Name
1369 i := junk.New()
1370 i["type"] = "Image"
1371 i["mediaType"] = e.Type
1372 i["url"] = e.ID
1373 t["icon"] = i
1374 tags = append(tags, t)
1375 }
1376 for _, e := range fixupflags(h) {
1377 t := junk.New()
1378 t["id"] = e.ID
1379 t["type"] = "Emoji"
1380 t["name"] = e.Name
1381 i := junk.New()
1382 i["type"] = "Image"
1383 i["mediaType"] = "image/png"
1384 i["url"] = e.ID
1385 t["icon"] = i
1386 tags = append(tags, t)
1387 }
1388 if len(tags) > 0 {
1389 jo["tag"] = tags
1390 }
1391 if p := h.Place; p != nil {
1392 t := junk.New()
1393 t["type"] = "Place"
1394 if p.Name != "" {
1395 t["name"] = p.Name
1396 }
1397 if p.Latitude != 0 {
1398 t["latitude"] = p.Latitude
1399 }
1400 if p.Longitude != 0 {
1401 t["longitude"] = p.Longitude
1402 }
1403 if p.Url != "" {
1404 t["url"] = p.Url
1405 }
1406 jo["location"] = t
1407 }
1408 if t := h.Time; t != nil {
1409 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1410 if t.Duration != 0 {
1411 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1412 }
1413 }
1414 atts := activatedonks(h.Donks)
1415 if len(atts) > 0 {
1416 jo["attachment"] = atts
1417 }
1418 jo["summary"] = h.Precis
1419 jo["content"] = h.Noise
1420 j["object"] = jo
1421 case "bonk":
1422 j["type"] = "Announce"
1423 if h.Convoy != "" {
1424 j["context"] = h.Convoy
1425 }
1426 j["object"] = h.XID
1427 case "unbonk":
1428 b := junk.New()
1429 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1430 b["type"] = "Announce"
1431 b["actor"] = user.URL
1432 if h.Convoy != "" {
1433 b["context"] = h.Convoy
1434 }
1435 b["object"] = h.XID
1436 j["type"] = "Undo"
1437 j["object"] = b
1438 case "zonk":
1439 j["type"] = "Delete"
1440 j["object"] = h.XID
1441 case "ack":
1442 j["type"] = "Read"
1443 j["object"] = h.XID
1444 if h.Convoy != "" {
1445 j["context"] = h.Convoy
1446 }
1447 case "react":
1448 j["type"] = "EmojiReact"
1449 j["object"] = h.XID
1450 if h.Convoy != "" {
1451 j["context"] = h.Convoy
1452 }
1453 j["content"] = h.Noise
1454 case "deack":
1455 b := junk.New()
1456 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1457 b["type"] = "Read"
1458 b["actor"] = user.URL
1459 b["object"] = h.XID
1460 if h.Convoy != "" {
1461 b["context"] = h.Convoy
1462 }
1463 j["type"] = "Undo"
1464 j["object"] = b
1465 }
1466
1467 return j, jo
1468}
1469
1470var oldjonks = gencache.New(gencache.Options[string, []byte]{Fill: func(xid string) ([]byte, bool) {
1471 row := stmtAnyXonk.QueryRow(xid)
1472 honk := scanhonk(row)
1473 if honk == nil || !honk.Public {
1474 return nil, true
1475 }
1476 user, _ := butwhatabout(honk.Username)
1477 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1478 reversehonks(rawhonks)
1479 for _, h := range rawhonks {
1480 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1481 honk.Replies = append(honk.Replies, h)
1482 }
1483 }
1484 donksforhonks([]*Honk{honk})
1485 _, j := jonkjonk(user, honk)
1486 if j == nil {
1487 elog.Fatalf("what just happened? %v", honk)
1488 }
1489 j["@context"] = itiswhatitis
1490
1491 return j.ToBytes(), true
1492}, Limit: 128})
1493
1494func gimmejonk(xid string) ([]byte, bool) {
1495 j, ok := oldjonks.Get(xid)
1496 return j, ok
1497}
1498
1499func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1500 rcpts := make(map[string]bool)
1501 for _, a := range addresses {
1502 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1503 continue
1504 }
1505 if a[0] == '%' {
1506 rcpts[a] = true
1507 continue
1508 }
1509 box, ok := boxofboxes.Get(a)
1510 if ok && useshared && box.Shared != "" {
1511 rcpts["%"+box.Shared] = true
1512 } else {
1513 rcpts[a] = true
1514 }
1515 }
1516 return rcpts
1517}
1518
1519func chonkifymsg(user *WhatAbout, rcpt string, ch *Chonk) []byte {
1520 dt := ch.Date.Format(time.RFC3339)
1521 aud := []string{ch.Target}
1522
1523 jo := junk.New()
1524 jo["id"] = ch.XID
1525 jo["type"] = "ChatMessage"
1526 jo["published"] = dt
1527 jo["attributedTo"] = user.URL
1528 jo["to"] = aud
1529 content := string(ch.HTML)
1530 if user.ChatSecKey.key != nil {
1531 if pubkey, ok := getchatkey(rcpt); ok {
1532 var err error
1533 content, err = encryptString(content, user.ChatSecKey, pubkey)
1534 if err != nil {
1535 ilog.Printf("failure encrypting chonk: %s", err)
1536 }
1537 jo[chatKeyProp] = user.Options.ChatPubKey
1538 }
1539 }
1540 jo["content"] = content
1541
1542 atts := activatedonks(ch.Donks)
1543 if len(atts) > 0 {
1544 jo["attachment"] = atts
1545 }
1546 var tags []junk.Junk
1547 for _, e := range herdofemus(ch.Noise) {
1548 t := junk.New()
1549 t["id"] = e.ID
1550 t["type"] = "Emoji"
1551 t["name"] = e.Name
1552 i := junk.New()
1553 i["type"] = "Image"
1554 i["mediaType"] = e.Type
1555 i["url"] = e.ID
1556 t["icon"] = i
1557 tags = append(tags, t)
1558 }
1559 if len(tags) > 0 {
1560 jo["tag"] = tags
1561 }
1562
1563 j := junk.New()
1564 j["@context"] = itiswhatitis
1565 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1566 j["type"] = "Create"
1567 j["actor"] = user.URL
1568 j["published"] = dt
1569 j["to"] = aud
1570 j["object"] = jo
1571
1572 return j.ToBytes()
1573}
1574
1575func sendchonk(user *WhatAbout, ch *Chonk) {
1576 rcpts := make(map[string]bool)
1577 rcpts[ch.Target] = true
1578 for a := range rcpts {
1579 msg := chonkifymsg(user, a, ch)
1580 go deliverate(user.ID, a, msg)
1581 }
1582}
1583
1584func honkworldwide(user *WhatAbout, honk *Honk) {
1585 jonk, _ := jonkjonk(user, honk)
1586 jonk["@context"] = itiswhatitis
1587 msg := jonk.ToBytes()
1588
1589 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1590
1591 if honk.Public {
1592 for _, h := range getdubs(user.ID) {
1593 if h.XID == user.URL {
1594 continue
1595 }
1596 box, ok := boxofboxes.Get(h.XID)
1597 if ok && box.Shared != "" {
1598 rcpts["%"+box.Shared] = true
1599 } else {
1600 rcpts[h.XID] = true
1601 }
1602 }
1603 for _, f := range getbacktracks(honk.XID) {
1604 if f[0] == '%' {
1605 rcpts[f] = true
1606 } else {
1607 box, ok := boxofboxes.Get(f)
1608 if ok && box.Shared != "" {
1609 rcpts["%"+box.Shared] = true
1610 } else {
1611 rcpts[f] = true
1612 }
1613 }
1614 }
1615 }
1616 for a := range rcpts {
1617 go deliverate(user.ID, a, msg)
1618 }
1619 if honk.Public && len(honk.Onts) > 0 {
1620 collectiveaction(honk)
1621 }
1622}
1623
1624func collectiveaction(honk *Honk) {
1625 user := getserveruser()
1626 for _, ont := range honk.Onts {
1627 dubs := getnameddubs(readyLuserOne, ont)
1628 if len(dubs) == 0 {
1629 continue
1630 }
1631 j := junk.New()
1632 j["@context"] = itiswhatitis
1633 j["type"] = "Add"
1634 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1635 j["actor"] = user.URL
1636 j["object"] = honk.XID
1637 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1638 rcpts := make(map[string]bool)
1639 for _, dub := range dubs {
1640 box, ok := boxofboxes.Get(dub.XID)
1641 if ok && box.Shared != "" {
1642 rcpts["%"+box.Shared] = true
1643 } else {
1644 rcpts[dub.XID] = true
1645 }
1646 }
1647 msg := j.ToBytes()
1648 for a := range rcpts {
1649 go deliverate(user.ID, a, msg)
1650 }
1651 }
1652}
1653
1654func junkuser(user *WhatAbout) junk.Junk {
1655 j := junk.New()
1656 j["@context"] = itiswhatitis
1657 j["id"] = user.URL
1658 j["inbox"] = user.URL + "/inbox"
1659 j["outbox"] = user.URL + "/outbox"
1660 j["name"] = user.Display
1661 j["preferredUsername"] = user.Name
1662 j["summary"] = user.HTAbout
1663 var tags []junk.Junk
1664 for _, o := range user.Onts {
1665 t := junk.New()
1666 t["type"] = "Hashtag"
1667 o = strings.ToLower(o)
1668 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1669 t["name"] = o
1670 tags = append(tags, t)
1671 }
1672 if len(tags) > 0 {
1673 j["tag"] = tags
1674 }
1675
1676 if user.ID > 0 {
1677 j["type"] = "Person"
1678 j["url"] = user.URL
1679 j["followers"] = user.URL + "/followers"
1680 j["following"] = user.URL + "/following"
1681 a := junk.New()
1682 a["type"] = "Image"
1683 a["mediaType"] = "image/png"
1684 a["url"] = avatarURL(user)
1685 j["icon"] = a
1686 if ban := user.Options.Banner; ban != "" {
1687 a := junk.New()
1688 a["type"] = "Image"
1689 a["mediaType"] = "image/jpg"
1690 a["url"] = ban
1691 j["image"] = a
1692 }
1693 } else {
1694 j["type"] = "Service"
1695 }
1696 k := junk.New()
1697 k["id"] = user.URL + "#key"
1698 k["owner"] = user.URL
1699 k["publicKeyPem"] = user.Key
1700 j["publicKey"] = k
1701 j[chatKeyProp] = user.Options.ChatPubKey
1702
1703 return j
1704}
1705
1706var oldjonkers = gencache.New(gencache.Options[string, []byte]{Fill: func(name string) ([]byte, bool) {
1707 user, err := butwhatabout(name)
1708 if err != nil {
1709 return nil, false
1710 }
1711 j := junkuser(user)
1712 return j.ToBytes(), true
1713}, Duration: 1 * time.Minute})
1714
1715func asjonker(name string) ([]byte, bool) {
1716 j, ok := oldjonkers.Get(name)
1717 return j, ok
1718}
1719
1720var handfull = gencache.New(gencache.Options[string, string]{Fill: func(name string) (string, bool) {
1721 m := strings.Split(name, "@")
1722 if len(m) != 2 {
1723 dlog.Printf("bad fish name: %s", name)
1724 return "", true
1725 }
1726 var href string
1727 row := stmtGetXonker.QueryRow(name, "fishname")
1728 err := row.Scan(&href)
1729 if err == nil {
1730 return href, true
1731 }
1732 dlog.Printf("fishing for %s", name)
1733 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1734 if err != nil {
1735 ilog.Printf("failed to go fish %s: %s", name, err)
1736 return "", true
1737 }
1738 links, _ := j.GetArray("links")
1739 for _, li := range links {
1740 l, ok := li.(junk.Junk)
1741 if !ok {
1742 continue
1743 }
1744 href, _ := l.GetString("href")
1745 rel, _ := l.GetString("rel")
1746 t, _ := l.GetString("type")
1747 if rel == "self" && friendorfoe(t) {
1748 when := time.Now().UTC().Format(dbtimeformat)
1749 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1750 if err != nil {
1751 elog.Printf("error saving fishname: %s", err)
1752 }
1753 return href, true
1754 }
1755 }
1756 return href, true
1757}, Duration: 1 * time.Minute})
1758
1759func gofish(name string) string {
1760 if name[0] == '@' {
1761 name = name[1:]
1762 }
1763 href, _ := handfull.Get(name)
1764 return href
1765}
1766
1767func investigate(name string) (*SomeThing, error) {
1768 if name == "" {
1769 return nil, fmt.Errorf("no name")
1770 }
1771 if name[0] == '@' {
1772 name = gofish(name)
1773 }
1774 if name == "" {
1775 return nil, fmt.Errorf("no name")
1776 }
1777 obj, err := GetJunkFast(readyLuserOne, name)
1778 if err != nil {
1779 return nil, err
1780 }
1781 allinjest(originate(name), obj)
1782 return somethingabout(obj)
1783}
1784
1785func somethingabout(obj junk.Junk) (*SomeThing, error) {
1786 info := new(SomeThing)
1787 t, _ := obj.GetString("type")
1788 isowned := false
1789 switch t {
1790 case "Person":
1791 fallthrough
1792 case "Group":
1793 fallthrough
1794 case "Organization":
1795 fallthrough
1796 case "Application":
1797 fallthrough
1798 case "Service":
1799 info.What = SomeActor
1800 case "OrderedCollection":
1801 isowned = true
1802 fallthrough
1803 case "Collection":
1804 info.What = SomeCollection
1805 default:
1806 return nil, fmt.Errorf("unknown object type")
1807 }
1808 info.XID, _ = obj.GetString("id")
1809 info.Name, _ = obj.GetString("preferredUsername")
1810 if info.Name == "" {
1811 info.Name, _ = obj.GetString("name")
1812 }
1813 if isowned {
1814 info.Owner, _ = obj.GetString("attributedTo")
1815 }
1816 if info.Owner == "" {
1817 info.Owner = info.XID
1818 }
1819 return info, nil
1820}
1821
1822func allinjest(origin string, obj junk.Junk) {
1823 ident, _ := obj.GetString("id")
1824 if ident == "" {
1825 return
1826 }
1827 if originate(ident) != origin {
1828 return
1829 }
1830 keyobj, ok := obj.GetMap("publicKey")
1831 if ok {
1832 ingestpubkey(origin, keyobj)
1833 }
1834 ingestboxes(origin, obj)
1835 ingesthandle(origin, obj)
1836 chatkey, ok := obj.GetString(chatKeyProp)
1837 if ok {
1838 when := time.Now().UTC().Format(dbtimeformat)
1839 _, err := stmtSaveXonker.Exec(ident, chatkey, chatKeyProp, when)
1840 if err != nil {
1841 elog.Printf("error saving chatkey: %s", err)
1842 }
1843 }
1844}
1845
1846func ingestpubkey(origin string, obj junk.Junk) {
1847 keyobj, ok := obj.GetMap("publicKey")
1848 if ok {
1849 obj = keyobj
1850 }
1851 keyname, ok := obj.GetString("id")
1852 var data string
1853 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1854 err := row.Scan(&data)
1855 if err == nil {
1856 return
1857 }
1858 if !ok || origin != originate(keyname) {
1859 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1860 return
1861 }
1862 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1863 owner, ok := obj.GetString("owner")
1864 if !ok {
1865 ilog.Printf("error finding %s pubkey owner", keyname)
1866 return
1867 }
1868 data, ok = obj.GetString("publicKeyPem")
1869 if !ok {
1870 ilog.Printf("error finding %s pubkey", keyname)
1871 return
1872 }
1873 if originate(owner) != origin {
1874 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1875 return
1876 }
1877 _, _, err = httpsig.DecodeKey(data)
1878 if err != nil {
1879 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1880 return
1881 }
1882 when := time.Now().UTC().Format(dbtimeformat)
1883 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1884 if err != nil {
1885 elog.Printf("error saving key: %s", err)
1886 }
1887}
1888
1889func ingestboxes(origin string, obj junk.Junk) {
1890 ident, _ := obj.GetString("id")
1891 if ident == "" {
1892 return
1893 }
1894 if originate(ident) != origin {
1895 return
1896 }
1897 var info string
1898 row := stmtGetXonker.QueryRow(ident, "boxes")
1899 err := row.Scan(&info)
1900 if err == nil {
1901 return
1902 }
1903 dlog.Printf("ingesting boxes: %s", ident)
1904 inbox, _ := obj.GetString("inbox")
1905 outbox, _ := obj.GetString("outbox")
1906 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1907 if inbox != "" {
1908 when := time.Now().UTC().Format(dbtimeformat)
1909 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1910 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1911 if err != nil {
1912 elog.Printf("error saving boxes: %s", err)
1913 }
1914 }
1915}
1916
1917func ingesthandle(origin string, obj junk.Junk) {
1918 xid, _ := obj.GetString("id")
1919 if xid == "" {
1920 return
1921 }
1922 if originate(xid) != origin {
1923 return
1924 }
1925 var handle string
1926 row := stmtGetXonker.QueryRow(xid, "handle")
1927 err := row.Scan(&handle)
1928 if err == nil {
1929 return
1930 }
1931 handle, _ = obj.GetString("preferredUsername")
1932 if handle != "" {
1933 when := time.Now().UTC().Format(dbtimeformat)
1934 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1935 if err != nil {
1936 elog.Printf("error saving handle: %s", err)
1937 }
1938 }
1939}
1940
1941func updateMe(username string) {
1942 user, _ := somenamedusers.Get(username)
1943 dt := time.Now().UTC().Format(time.RFC3339)
1944 j := junk.New()
1945 j["@context"] = itiswhatitis
1946 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1947 j["actor"] = user.URL
1948 j["published"] = dt
1949 j["to"] = thewholeworld
1950 j["type"] = "Update"
1951 j["object"] = junkuser(user)
1952
1953 msg := j.ToBytes()
1954
1955 rcpts := make(map[string]bool)
1956 for _, f := range getdubs(user.ID) {
1957 if f.XID == user.URL {
1958 continue
1959 }
1960 box, ok := boxofboxes.Get(f.XID)
1961 if ok && box.Shared != "" {
1962 rcpts["%"+box.Shared] = true
1963 } else {
1964 rcpts[f.XID] = true
1965 }
1966 }
1967 for a := range rcpts {
1968 go deliverate(user.ID, a, msg)
1969 }
1970}
1971
1972func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1973 folxid, _ := j.GetString("id")
1974
1975 ilog.Printf("updating honker follow: %s %s", who, folxid)
1976
1977 var x string
1978 db := opendatabase()
1979 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1980 err := row.Scan(&x)
1981 if err != sql.ErrNoRows {
1982 ilog.Printf("duplicate follow request: %s", who)
1983 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1984 if err != nil {
1985 elog.Printf("error updating honker: %s", err)
1986 }
1987 } else {
1988 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1989 }
1990 go rubadubdub(user, j)
1991}
1992
1993func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1994 var folxid string
1995 if who == "" {
1996 folxid, _ = j.GetString("object")
1997
1998 db := opendatabase()
1999 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
2000 err := row.Scan(&who, &name)
2001 if err != nil {
2002 if err != sql.ErrNoRows {
2003 elog.Printf("error scanning honker: %s", err)
2004 }
2005 return
2006 }
2007 }
2008
2009 ilog.Printf("updating honker undo: %s %s", who, folxid)
2010 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
2011 if err != nil {
2012 elog.Printf("error updating honker: %s", err)
2013 return
2014 }
2015}
2016
2017func followyou(user *WhatAbout, honkerid int64, sync bool) {
2018 var url, owner string
2019 db := opendatabase()
2020 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
2021 honkerid, user.ID)
2022 err := row.Scan(&url, &owner)
2023 if err != nil {
2024 elog.Printf("can't get honker xid: %s", err)
2025 return
2026 }
2027 folxid := xfiltrate()
2028 ilog.Printf("subscribing to %s", url)
2029 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
2030 if err != nil {
2031 elog.Printf("error updating honker: %s", err)
2032 return
2033 }
2034 if sync {
2035 subsub(user, url, owner, folxid)
2036 } else {
2037 go subsub(user, url, owner, folxid)
2038 }
2039
2040}
2041func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
2042 db := opendatabase()
2043 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
2044 honkerid, user.ID)
2045 var url, owner, folxid, flavor string
2046 err := row.Scan(&url, &owner, &folxid, &flavor)
2047 if err != nil {
2048 elog.Printf("can't get honker xid: %s", err)
2049 return
2050 }
2051 if flavor == "peep" {
2052 return
2053 }
2054 ilog.Printf("unsubscribing from %s", url)
2055 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
2056 if err != nil {
2057 elog.Printf("error updating honker: %s", err)
2058 return
2059 }
2060 if sync {
2061 itakeitallback(user, url, owner, folxid)
2062 } else {
2063 go itakeitallback(user, url, owner, folxid)
2064 }
2065}
2066
2067func followyou2(user *WhatAbout, j junk.Junk) {
2068 who, _ := j.GetString("actor")
2069
2070 ilog.Printf("updating honker accept: %s", who)
2071 db := opendatabase()
2072 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2073 user.ID, who)
2074 var name, folxid string
2075 err := row.Scan(&name, &folxid)
2076 if err != nil {
2077 elog.Printf("can't get honker name: %s", err)
2078 return
2079 }
2080 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2081 if err != nil {
2082 elog.Printf("error updating honker: %s", err)
2083 return
2084 }
2085}
2086
2087func nofollowyou2(user *WhatAbout, j junk.Junk) {
2088 who, _ := j.GetString("actor")
2089
2090 ilog.Printf("updating honker reject: %s", who)
2091 db := opendatabase()
2092 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2093 user.ID, who)
2094 var name, folxid string
2095 err := row.Scan(&name, &folxid)
2096 if err != nil {
2097 elog.Printf("can't get honker name: %s", err)
2098 return
2099 }
2100 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2101 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2102 if err != nil {
2103 elog.Printf("error updating honker: %s", err)
2104 return
2105 }
2106}