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