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 "log"
27 notrand "math/rand"
28 "net/http"
29 "net/url"
30 "os"
31 "strings"
32 "time"
33
34 "humungus.tedunangst.com/r/webs/cache"
35 "humungus.tedunangst.com/r/webs/gate"
36 "humungus.tedunangst.com/r/webs/httpsig"
37 "humungus.tedunangst.com/r/webs/junk"
38 "humungus.tedunangst.com/r/webs/templates"
39)
40
41var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
42var thefakename = `application/activity+json`
43var falsenames = []string{
44 `application/ld+json`,
45 `application/activity+json`,
46}
47var itiswhatitis = "https://www.w3.org/ns/activitystreams"
48var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
49
50func friendorfoe(ct string) bool {
51 ct = strings.ToLower(ct)
52 for _, at := range falsenames {
53 if strings.HasPrefix(ct, at) {
54 return true
55 }
56 }
57 return false
58}
59
60var debugClient = &http.Client{
61 Transport: &http.Transport{
62 TLSClientConfig: &tls.Config{
63 InsecureSkipVerify: true,
64 },
65 },
66}
67
68func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
69 return PostMsg(keyname, key, url, j.ToBytes())
70}
71
72func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
73 client := http.DefaultClient
74 if debugMode {
75 client = debugClient
76 }
77 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
78 if err != nil {
79 return err
80 }
81 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
82 req.Header.Set("Content-Type", theonetruename)
83 httpsig.SignRequest(keyname, key, req, msg)
84 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
85 defer cancel()
86 req = req.WithContext(ctx)
87 resp, err := client.Do(req)
88 if err != nil {
89 return err
90 }
91 resp.Body.Close()
92 switch resp.StatusCode {
93 case 200:
94 case 201:
95 case 202:
96 default:
97 return fmt.Errorf("http post status: %d", resp.StatusCode)
98 }
99 log.Printf("successful post: %s %d", url, resp.StatusCode)
100 return nil
101}
102
103type JunkError struct {
104 Junk junk.Junk
105 Err error
106}
107
108func GetJunk(url string) (junk.Junk, error) {
109 return GetJunkTimeout(url, 30*time.Second)
110}
111
112func GetJunkFast(url string) (junk.Junk, error) {
113 return GetJunkTimeout(url, 5*time.Second)
114}
115
116func GetJunkHardMode(url string) (junk.Junk, error) {
117 j, err := GetJunk(url)
118 if err != nil {
119 emsg := err.Error()
120 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
121 log.Printf("trying again after error: %s", emsg)
122 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
123 j, err = GetJunk(url)
124 if err != nil {
125 log.Printf("still couldn't get it")
126 } else {
127 log.Printf("retry success!")
128 }
129 }
130 }
131 return j, err
132}
133
134var flightdeck = gate.NewSerializer()
135
136func GetJunkTimeout(url string, timeout time.Duration) (junk.Junk, error) {
137
138 fn := func() (interface{}, error) {
139 at := thefakename
140 if strings.Contains(url, ".well-known/webfinger?resource") {
141 at = "application/jrd+json"
142 }
143 j, err := junk.Get(url, junk.GetArgs{
144 Accept: at,
145 Agent: "honksnonk/5.0; " + serverName,
146 Timeout: timeout,
147 })
148 return j, err
149 }
150
151 ji, err := flightdeck.Call(url, fn)
152 if err != nil {
153 return nil, err
154 }
155 j := ji.(junk.Junk)
156 return j, nil
157}
158
159func fetchsome(url string) ([]byte, error) {
160 client := http.DefaultClient
161 req, err := http.NewRequest("GET", url, nil)
162 if err != nil {
163 log.Printf("error fetching %s: %s", url, err)
164 return nil, err
165 }
166 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
167 defer cancel()
168 req = req.WithContext(ctx)
169 resp, err := client.Do(req)
170 if err != nil {
171 log.Printf("error fetching %s: %s", url, err)
172 return nil, err
173 }
174 defer resp.Body.Close()
175 if resp.StatusCode != 200 {
176 return nil, fmt.Errorf("not 200: %d %s", resp.StatusCode, url)
177 }
178 var buf bytes.Buffer
179 limiter := io.LimitReader(resp.Body, 10*1024*1024)
180 io.Copy(&buf, limiter)
181 return buf.Bytes(), nil
182}
183
184func savedonk(url string, name, desc, media string, localize bool) *Donk {
185 if url == "" {
186 return nil
187 }
188 if donk := finddonk(url); donk != nil {
189 return donk
190 }
191 log.Printf("saving donk: %s", url)
192 xid := xfiltrate()
193 data := []byte{}
194 if localize {
195 fn := func() (interface{}, error) {
196 return fetchsome(url)
197 }
198 ii, err := flightdeck.Call(url, fn)
199 if err != nil {
200 log.Printf("error fetching donk: %s", err)
201 localize = false
202 goto saveit
203 }
204 data = ii.([]byte)
205
206 if len(data) == 10*1024*1024 {
207 log.Printf("truncation likely")
208 }
209 if strings.HasPrefix(media, "image") {
210 img, err := shrinkit(data)
211 if err != nil {
212 log.Printf("unable to decode image: %s", err)
213 localize = false
214 data = []byte{}
215 goto saveit
216 }
217 data = img.Data
218 format := img.Format
219 media = "image/" + format
220 if format == "jpeg" {
221 format = "jpg"
222 }
223 xid = xid + "." + format
224 } else if media == "application/pdf" {
225 if len(data) > 1000000 {
226 log.Printf("not saving large pdf")
227 localize = false
228 data = []byte{}
229 }
230 } else if len(data) > 100000 {
231 log.Printf("not saving large attachment")
232 localize = false
233 data = []byte{}
234 }
235 }
236saveit:
237 fileid, err := savefile(xid, name, desc, url, media, localize, data)
238 if err != nil {
239 log.Printf("error saving file %s: %s", url, err)
240 return nil
241 }
242 donk := new(Donk)
243 donk.FileID = fileid
244 donk.XID = xid
245 return donk
246}
247
248func iszonked(userid int64, xid string) bool {
249 var id int64
250 row := stmtFindZonk.QueryRow(userid, xid)
251 err := row.Scan(&id)
252 if err == nil {
253 return true
254 }
255 if err != sql.ErrNoRows {
256 log.Printf("error querying zonk: %s", err)
257 }
258 return false
259}
260
261func needxonk(user *WhatAbout, x *Honk) bool {
262 if rejectxonk(x) {
263 return false
264 }
265 return needxonkid(user, x.XID)
266}
267func needbonkid(user *WhatAbout, xid string) bool {
268 return needxonkidX(user, xid, true)
269}
270func needxonkid(user *WhatAbout, xid string) bool {
271 return needxonkidX(user, xid, false)
272}
273func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
274 if !strings.HasPrefix(xid, "https://") {
275 return false
276 }
277 if strings.HasPrefix(xid, user.URL+"/") {
278 return false
279 }
280 if rejectorigin(user.ID, xid, isannounce) {
281 log.Printf("rejecting origin: %s", xid)
282 return false
283 }
284 if iszonked(user.ID, xid) {
285 log.Printf("already zonked: %s", xid)
286 return false
287 }
288 var id int64
289 row := stmtFindXonk.QueryRow(user.ID, xid)
290 err := row.Scan(&id)
291 if err == nil {
292 return false
293 }
294 if err != sql.ErrNoRows {
295 log.Printf("error querying xonk: %s", err)
296 }
297 return true
298}
299
300func eradicatexonk(userid int64, xid string) {
301 xonk := getxonk(userid, xid)
302 if xonk != nil {
303 deletehonk(xonk.ID)
304 }
305 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
306 if err != nil {
307 log.Printf("error eradicating: %s", err)
308 }
309}
310
311func savexonk(x *Honk) {
312 log.Printf("saving xonk: %s", x.XID)
313 go handles(x.Honker)
314 go handles(x.Oonker)
315 savehonk(x)
316}
317
318type Box struct {
319 In string
320 Out string
321 Shared string
322}
323
324var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
325 var info string
326 row := stmtGetXonker.QueryRow(ident, "boxes")
327 err := row.Scan(&info)
328 if err != nil {
329 log.Printf("need to get boxes for %s", ident)
330 var j junk.Junk
331 j, err = GetJunk(ident)
332 if err != nil {
333 log.Printf("error getting boxes: %s", err)
334 return nil, false
335 }
336 allinjest(originate(ident), j)
337 row = stmtGetXonker.QueryRow(ident, "boxes")
338 err = row.Scan(&info)
339 }
340 if err == nil {
341 m := strings.Split(info, " ")
342 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
343 return b, true
344 }
345 return nil, false
346}})
347
348func gimmexonks(user *WhatAbout, outbox string) {
349 log.Printf("getting outbox: %s", outbox)
350 j, err := GetJunk(outbox)
351 if err != nil {
352 log.Printf("error getting outbox: %s", err)
353 return
354 }
355 t, _ := j.GetString("type")
356 origin := originate(outbox)
357 if t == "OrderedCollection" {
358 items, _ := j.GetArray("orderedItems")
359 if items == nil {
360 items, _ = j.GetArray("items")
361 }
362 if items == nil {
363 obj, ok := j.GetMap("first")
364 if ok {
365 items, _ = obj.GetArray("orderedItems")
366 } else {
367 page1, ok := j.GetString("first")
368 if ok {
369 j, err = GetJunk(page1)
370 if err != nil {
371 log.Printf("error gettings page1: %s", err)
372 return
373 }
374 items, _ = j.GetArray("orderedItems")
375 }
376 }
377 }
378 if len(items) > 20 {
379 items = items[0:20]
380 }
381 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
382 items[i], items[j] = items[j], items[i]
383 }
384 for _, item := range items {
385 obj, ok := item.(junk.Junk)
386 if ok {
387 xonksaver(user, obj, origin)
388 continue
389 }
390 xid, ok := item.(string)
391 if ok {
392 if !needxonkid(user, xid) {
393 continue
394 }
395 obj, err = GetJunk(xid)
396 if err != nil {
397 log.Printf("error getting item: %s", err)
398 continue
399 }
400 xonksaver(user, obj, originate(xid))
401 }
402 }
403 }
404}
405
406func newphone(a []string, obj junk.Junk) []string {
407 for _, addr := range []string{"to", "cc", "attributedTo"} {
408 who, _ := obj.GetString(addr)
409 if who != "" {
410 a = append(a, who)
411 }
412 whos, _ := obj.GetArray(addr)
413 for _, w := range whos {
414 who, _ := w.(string)
415 if who != "" {
416 a = append(a, who)
417 }
418 }
419 }
420 return a
421}
422
423func extractattrto(obj junk.Junk) string {
424 who, _ := obj.GetString("attributedTo")
425 if who != "" {
426 return who
427 }
428 o, ok := obj.GetMap("attributedTo")
429 if ok {
430 id, ok := o.GetString("id")
431 if ok {
432 return id
433 }
434 }
435 arr, _ := obj.GetArray("attributedTo")
436 for _, a := range arr {
437 o, ok := a.(junk.Junk)
438 if ok {
439 t, _ := o.GetString("type")
440 id, _ := o.GetString("id")
441 if t == "Person" || t == "" {
442 return id
443 }
444 }
445 s, ok := a.(string)
446 if ok {
447 return s
448 }
449 }
450 return ""
451}
452
453func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
454 depth := 0
455 maxdepth := 10
456 currenttid := ""
457 goingup := 0
458 var xonkxonkfn func(item junk.Junk, origin string) *Honk
459
460 saveonemore := func(xid string) {
461 log.Printf("getting onemore: %s", xid)
462 if depth >= maxdepth {
463 log.Printf("in too deep")
464 return
465 }
466 obj, err := GetJunkHardMode(xid)
467 if err != nil {
468 log.Printf("error getting onemore: %s: %s", xid, err)
469 return
470 }
471 depth++
472 xonkxonkfn(obj, originate(xid))
473 depth--
474 }
475
476 xonkxonkfn = func(item junk.Junk, origin string) *Honk {
477 id, _ := item.GetString("id")
478 what, _ := item.GetString("type")
479 dt, ok := item.GetString("published")
480 if !ok {
481 dt = time.Now().Format(time.RFC3339)
482 }
483
484 var err error
485 var xid, rid, url, content, precis, convoy string
486 var replies []string
487 var obj junk.Junk
488 isUpdate := false
489 switch what {
490 case "Delete":
491 obj, ok = item.GetMap("object")
492 if ok {
493 xid, _ = obj.GetString("id")
494 } else {
495 xid, _ = item.GetString("object")
496 }
497 if xid == "" {
498 return nil
499 }
500 if originate(xid) != origin {
501 log.Printf("forged delete: %s", xid)
502 return nil
503 }
504 log.Printf("eradicating %s", xid)
505 eradicatexonk(user.ID, xid)
506 return nil
507 case "Tombstone":
508 xid, _ = item.GetString("id")
509 if xid == "" {
510 return nil
511 }
512 if originate(xid) != origin {
513 log.Printf("forged delete: %s", xid)
514 return nil
515 }
516 log.Printf("eradicating %s", xid)
517 eradicatexonk(user.ID, xid)
518 return nil
519 case "Announce":
520 obj, ok = item.GetMap("object")
521 if ok {
522 xid, _ = obj.GetString("id")
523 } else {
524 xid, _ = item.GetString("object")
525 }
526 if !needbonkid(user, xid) {
527 return nil
528 }
529 log.Printf("getting bonk: %s", xid)
530 obj, err = GetJunkHardMode(xid)
531 if err != nil {
532 log.Printf("error getting bonk: %s: %s", xid, err)
533 }
534 origin = originate(xid)
535 what = "bonk"
536 case "Update":
537 isUpdate = true
538 fallthrough
539 case "Create":
540 obj, ok = item.GetMap("object")
541 if !ok {
542 xid, _ = item.GetString("object")
543 log.Printf("getting created honk: %s", xid)
544 if originate(xid) != origin {
545 log.Printf("out of bounds %s not from %s", xid, origin)
546 return nil
547 }
548 obj, err = GetJunkHardMode(xid)
549 if err != nil {
550 log.Printf("error getting creation: %s", err)
551 }
552 }
553 if obj == nil {
554 log.Printf("no object for creation %s", id)
555 return nil
556 }
557 return xonkxonkfn(obj, origin)
558 case "Read":
559 xid, ok = item.GetString("object")
560 if ok {
561 if !needxonkid(user, xid) {
562 log.Printf("don't need read obj: %s", xid)
563 return nil
564 }
565 obj, err = GetJunkHardMode(xid)
566 if err != nil {
567 log.Printf("error getting read: %s", err)
568 return nil
569 }
570 return xonkxonkfn(obj, originate(xid))
571 }
572 return nil
573 case "Add":
574 xid, ok = item.GetString("object")
575 if ok {
576 // check target...
577 if !needxonkid(user, xid) {
578 log.Printf("don't need added obj: %s", xid)
579 return nil
580 }
581 obj, err = GetJunkHardMode(xid)
582 if err != nil {
583 log.Printf("error getting add: %s", err)
584 return nil
585 }
586 return xonkxonkfn(obj, originate(xid))
587 }
588 return nil
589 case "Move":
590 obj = item
591 what = "move"
592 case "Audio":
593 fallthrough
594 case "Image":
595 fallthrough
596 case "Video":
597 fallthrough
598 case "Question":
599 fallthrough
600 case "Note":
601 fallthrough
602 case "Article":
603 fallthrough
604 case "Page":
605 obj = item
606 what = "honk"
607 case "Event":
608 obj = item
609 what = "event"
610 case "ChatMessage":
611 obj = item
612 what = "chonk"
613 default:
614 log.Printf("unknown activity: %s", what)
615 dumpactivity(item)
616 return nil
617 }
618
619 if obj != nil {
620 xid, _ = obj.GetString("id")
621 }
622
623 if xid == "" {
624 log.Printf("don't know what xid is")
625 item.Write(os.Stdout)
626 return nil
627 }
628 if originate(xid) != origin {
629 log.Printf("original sin: %s not from %s", xid, origin)
630 item.Write(os.Stdout)
631 return nil
632 }
633
634 var xonk Honk
635 // early init
636 xonk.XID = xid
637 xonk.UserID = user.ID
638 xonk.Honker, _ = item.GetString("actor")
639 if xonk.Honker == "" {
640 xonk.Honker, _ = item.GetString("attributedTo")
641 }
642 if obj != nil {
643 if xonk.Honker == "" {
644 xonk.Honker = extractattrto(obj)
645 }
646 xonk.Oonker = extractattrto(obj)
647 if xonk.Oonker == xonk.Honker {
648 xonk.Oonker = ""
649 }
650 xonk.Audience = newphone(nil, obj)
651 }
652 xonk.Audience = append(xonk.Audience, xonk.Honker)
653 xonk.Audience = oneofakind(xonk.Audience)
654
655 var mentions []Mention
656 if obj != nil {
657 ot, _ := obj.GetString("type")
658 url, _ = obj.GetString("url")
659 if dt2, ok := obj.GetString("published"); ok {
660 dt = dt2
661 }
662 content, _ = obj.GetString("content")
663 if !strings.HasPrefix(content, "<p>") {
664 content = "<p>" + content
665 }
666 precis, _ = obj.GetString("summary")
667 if name, ok := obj.GetString("name"); ok {
668 if precis != "" {
669 content = precis + "<p>" + content
670 }
671 precis = html.EscapeString(name)
672 }
673 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
674 precis = "unspecified horror"
675 }
676 rid, ok = obj.GetString("inReplyTo")
677 if !ok {
678 if robj, ok := obj.GetMap("inReplyTo"); ok {
679 rid, _ = robj.GetString("id")
680 }
681 }
682 convoy, _ = obj.GetString("context")
683 if convoy == "" {
684 convoy, _ = obj.GetString("conversation")
685 }
686 if ot == "Question" {
687 if what == "honk" {
688 what = "qonk"
689 }
690 content += "<ul>"
691 ans, _ := obj.GetArray("oneOf")
692 for _, ai := range ans {
693 a, ok := ai.(junk.Junk)
694 if !ok {
695 continue
696 }
697 as, _ := a.GetString("name")
698 content += "<li>" + as
699 }
700 ans, _ = obj.GetArray("anyOf")
701 for _, ai := range ans {
702 a, ok := ai.(junk.Junk)
703 if !ok {
704 continue
705 }
706 as, _ := a.GetString("name")
707 content += "<li>" + as
708 }
709 content += "</ul>"
710 }
711 if ot == "Move" {
712 targ, _ := obj.GetString("target")
713 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
714 }
715 if what == "honk" && rid != "" {
716 what = "tonk"
717 }
718 atts, _ := obj.GetArray("attachment")
719 for i, atti := range atts {
720 if rejectxonk(&xonk) {
721 log.Printf("skipping rejected attachment: %s", xid)
722 continue
723 }
724 att, ok := atti.(junk.Junk)
725 if !ok {
726 continue
727 }
728 at, _ := att.GetString("type")
729 mt, _ := att.GetString("mediaType")
730 u, _ := att.GetString("url")
731 name, _ := att.GetString("name")
732 desc, _ := att.GetString("summary")
733 if desc == "" {
734 desc = name
735 }
736 localize := false
737 if i > 4 {
738 log.Printf("excessive attachment: %s", at)
739 } else if at == "Document" || at == "Image" {
740 mt = strings.ToLower(mt)
741 log.Printf("attachment: %s %s", mt, u)
742 if mt == "text/plain" || mt == "application/pdf" ||
743 strings.HasPrefix(mt, "image") {
744 localize = true
745 }
746 } else {
747 log.Printf("unknown attachment: %s", at)
748 }
749 if skipMedia(&xonk) {
750 localize = false
751 }
752 donk := savedonk(u, name, desc, mt, localize)
753 if donk != nil {
754 xonk.Donks = append(xonk.Donks, donk)
755 }
756 }
757 tags, _ := obj.GetArray("tag")
758 for _, tagi := range tags {
759 if rejectxonk(&xonk) {
760 log.Printf("skipping rejected attachment: %s", xid)
761 continue
762 }
763 tag, ok := tagi.(junk.Junk)
764 if !ok {
765 continue
766 }
767 tt, _ := tag.GetString("type")
768 name, _ := tag.GetString("name")
769 desc, _ := tag.GetString("summary")
770 if desc == "" {
771 desc = name
772 }
773 if tt == "Emoji" {
774 icon, _ := tag.GetMap("icon")
775 mt, _ := icon.GetString("mediaType")
776 if mt == "" {
777 mt = "image/png"
778 }
779 u, _ := icon.GetString("url")
780 donk := savedonk(u, name, desc, mt, true)
781 if donk != nil {
782 xonk.Donks = append(xonk.Donks, donk)
783 }
784 }
785 if tt == "Hashtag" {
786 if name == "" || name == "#" {
787 // skip it
788 } else {
789 if name[0] != '#' {
790 name = "#" + name
791 }
792 xonk.Onts = append(xonk.Onts, name)
793 }
794 }
795 if tt == "Place" {
796 p := new(Place)
797 p.Name = name
798 p.Latitude, _ = tag["latitude"].(float64)
799 p.Longitude, _ = tag["longitude"].(float64)
800 p.Url, _ = tag.GetString("url")
801 xonk.Place = p
802 }
803 if tt == "Mention" {
804 var m Mention
805 m.Who, _ = tag.GetString("name")
806 m.Where, _ = tag.GetString("href")
807 mentions = append(mentions, m)
808 }
809 }
810 if starttime, ok := obj.GetString("startTime"); ok {
811 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
812 t := new(Time)
813 t.StartTime = start
814 endtime, _ := obj.GetString("endTime")
815 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
816 dura, _ := obj.GetString("duration")
817 if strings.HasPrefix(dura, "PT") {
818 dura = strings.ToLower(dura[2:])
819 d, _ := time.ParseDuration(dura)
820 t.Duration = Duration(d)
821 }
822 xonk.Time = t
823 }
824 }
825 if loca, ok := obj.GetMap("location"); ok {
826 if tt, _ := loca.GetString("type"); tt == "Place" {
827 p := new(Place)
828 p.Name, _ = loca.GetString("name")
829 p.Latitude, _ = loca["latitude"].(float64)
830 p.Longitude, _ = loca["longitude"].(float64)
831 p.Url, _ = loca.GetString("url")
832 xonk.Place = p
833 }
834 }
835
836 xonk.Onts = oneofakind(xonk.Onts)
837 replyobj, ok := obj.GetMap("replies")
838 if ok {
839 items, ok := replyobj.GetArray("items")
840 if !ok {
841 first, ok := replyobj.GetMap("first")
842 if ok {
843 items, _ = first.GetArray("items")
844 }
845 }
846 for _, repl := range items {
847 s, ok := repl.(string)
848 if ok {
849 replies = append(replies, s)
850 }
851 }
852 }
853
854 }
855
856 if currenttid == "" {
857 currenttid = convoy
858 }
859
860 if len(content) > 90001 {
861 log.Printf("content too long. truncating")
862 content = content[:90001]
863 }
864
865 // init xonk
866 xonk.What = what
867 xonk.RID = rid
868 xonk.Date, _ = time.Parse(time.RFC3339, dt)
869 xonk.URL = url
870 xonk.Noise = content
871 xonk.Precis = precis
872 xonk.Format = "html"
873 xonk.Convoy = convoy
874 xonk.Mentions = mentions
875 for _, m := range mentions {
876 if m.Where == user.URL {
877 xonk.Whofore = 1
878 }
879 }
880 imaginate(&xonk)
881
882 if what == "chonk" {
883 ch := Chonk{
884 UserID: xonk.UserID,
885 XID: xid,
886 Who: xonk.Honker,
887 Target: xonk.Honker,
888 Date: xonk.Date,
889 Noise: xonk.Noise,
890 Format: xonk.Format,
891 }
892 savechonk(&ch)
893 return nil
894 }
895
896 if isUpdate {
897 log.Printf("something has changed! %s", xonk.XID)
898 prev := getxonk(user.ID, xonk.XID)
899 if prev == nil {
900 log.Printf("didn't find old version for update: %s", xonk.XID)
901 isUpdate = false
902 } else {
903 xonk.ID = prev.ID
904 updatehonk(&xonk)
905 }
906 }
907 if !isUpdate && needxonk(user, &xonk) {
908 if rid != "" {
909 if needxonkid(user, rid) {
910 goingup++
911 saveonemore(rid)
912 goingup--
913 }
914 if convoy == "" {
915 xx := getxonk(user.ID, rid)
916 if xx != nil {
917 convoy = xx.Convoy
918 }
919 }
920 }
921 if convoy == "" {
922 convoy = currenttid
923 }
924 if convoy == "" {
925 convoy = "data:,missing-" + xfiltrate()
926 currenttid = convoy
927 }
928 xonk.Convoy = convoy
929 savexonk(&xonk)
930 }
931 if goingup == 0 {
932 for _, replid := range replies {
933 if needxonkid(user, replid) {
934 log.Printf("missing a reply: %s", replid)
935 saveonemore(replid)
936 }
937 }
938 }
939 return &xonk
940 }
941
942 return xonkxonkfn(item, origin)
943}
944
945func dumpactivity(item junk.Junk) {
946 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
947 if err != nil {
948 log.Printf("error opening inbox! %s", err)
949 return
950 }
951 defer fd.Close()
952 item.Write(fd)
953 io.WriteString(fd, "\n")
954}
955
956func rubadubdub(user *WhatAbout, req junk.Junk) {
957 xid, _ := req.GetString("id")
958 actor, _ := req.GetString("actor")
959 j := junk.New()
960 j["@context"] = itiswhatitis
961 j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
962 j["type"] = "Accept"
963 j["actor"] = user.URL
964 j["to"] = actor
965 j["published"] = time.Now().UTC().Format(time.RFC3339)
966 j["object"] = req
967
968 deliverate(0, user.ID, actor, j.ToBytes())
969}
970
971func itakeitallback(user *WhatAbout, xid string) {
972 j := junk.New()
973 j["@context"] = itiswhatitis
974 j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
975 j["type"] = "Undo"
976 j["actor"] = user.URL
977 j["to"] = xid
978 f := junk.New()
979 f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
980 f["type"] = "Follow"
981 f["actor"] = user.URL
982 f["to"] = xid
983 f["object"] = xid
984 j["object"] = f
985 j["published"] = time.Now().UTC().Format(time.RFC3339)
986
987 deliverate(0, user.ID, xid, j.ToBytes())
988}
989
990func subsub(user *WhatAbout, xid string, owner string) {
991 if xid == "" {
992 log.Printf("can't subscribe to empty")
993 return
994 }
995 j := junk.New()
996 j["@context"] = itiswhatitis
997 j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
998 j["type"] = "Follow"
999 j["actor"] = user.URL
1000 j["to"] = owner
1001 j["object"] = xid
1002 j["published"] = time.Now().UTC().Format(time.RFC3339)
1003
1004 deliverate(0, user.ID, owner, j.ToBytes())
1005}
1006
1007// returns activity, object
1008func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1009 dt := h.Date.Format(time.RFC3339)
1010 var jo junk.Junk
1011 j := junk.New()
1012 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1013 j["actor"] = user.URL
1014 j["published"] = dt
1015 if h.Public {
1016 j["to"] = []string{h.Audience[0], user.URL + "/followers"}
1017 } else {
1018 j["to"] = h.Audience[0]
1019 }
1020 if len(h.Audience) > 1 {
1021 j["cc"] = h.Audience[1:]
1022 }
1023
1024 switch h.What {
1025 case "update":
1026 fallthrough
1027 case "tonk":
1028 fallthrough
1029 case "event":
1030 fallthrough
1031 case "honk":
1032 j["type"] = "Create"
1033 if h.What == "update" {
1034 j["type"] = "Update"
1035 }
1036
1037 jo = junk.New()
1038 jo["id"] = h.XID
1039 jo["type"] = "Note"
1040 if h.What == "event" {
1041 jo["type"] = "Event"
1042 }
1043 jo["published"] = dt
1044 jo["url"] = h.XID
1045 jo["attributedTo"] = user.URL
1046 if h.RID != "" {
1047 jo["inReplyTo"] = h.RID
1048 }
1049 if h.Convoy != "" {
1050 jo["context"] = h.Convoy
1051 jo["conversation"] = h.Convoy
1052 }
1053 jo["to"] = h.Audience[0]
1054 if len(h.Audience) > 1 {
1055 jo["cc"] = h.Audience[1:]
1056 }
1057 if !h.Public {
1058 jo["directMessage"] = true
1059 }
1060 var mentions []Mention
1061 if len(h.Mentions) > 0 {
1062 mentions = h.Mentions
1063 } else {
1064 mentions = bunchofgrapes(h.Noise)
1065 }
1066 translate(h)
1067 redoimages(h)
1068 if h.Precis != "" {
1069 jo["sensitive"] = true
1070 }
1071
1072 var replies []string
1073 for _, reply := range h.Replies {
1074 replies = append(replies, reply.XID)
1075 }
1076 if len(replies) > 0 {
1077 jr := junk.New()
1078 jr["type"] = "Collection"
1079 jr["totalItems"] = len(replies)
1080 jr["items"] = replies
1081 jo["replies"] = jr
1082 }
1083
1084 var tags []junk.Junk
1085 for _, m := range mentions {
1086 t := junk.New()
1087 t["type"] = "Mention"
1088 t["name"] = m.Who
1089 t["href"] = m.Where
1090 tags = append(tags, t)
1091 }
1092 for _, o := range h.Onts {
1093 t := junk.New()
1094 t["type"] = "Hashtag"
1095 o = strings.ToLower(o)
1096 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1097 t["name"] = o
1098 tags = append(tags, t)
1099 }
1100 for _, e := range herdofemus(h.Noise) {
1101 t := junk.New()
1102 t["id"] = e.ID
1103 t["type"] = "Emoji"
1104 t["name"] = e.Name
1105 i := junk.New()
1106 i["type"] = "Image"
1107 i["mediaType"] = "image/png"
1108 i["url"] = e.ID
1109 t["icon"] = i
1110 tags = append(tags, t)
1111 }
1112 for _, e := range bloat_fixupflags(h) {
1113 t := junk.New()
1114 t["id"] = e.ID
1115 t["type"] = "Emoji"
1116 t["name"] = e.Name
1117 i := junk.New()
1118 i["type"] = "Image"
1119 i["mediaType"] = "image/png"
1120 i["url"] = e.ID
1121 t["icon"] = i
1122 tags = append(tags, t)
1123 }
1124 if len(tags) > 0 {
1125 jo["tag"] = tags
1126 }
1127 if p := h.Place; p != nil {
1128 t := junk.New()
1129 t["type"] = "Place"
1130 if p.Name != "" {
1131 t["name"] = p.Name
1132 }
1133 if p.Latitude != 0 {
1134 t["latitude"] = p.Latitude
1135 }
1136 if p.Longitude != 0 {
1137 t["longitude"] = p.Longitude
1138 }
1139 if p.Url != "" {
1140 t["url"] = p.Url
1141 }
1142 jo["location"] = t
1143 }
1144 if t := h.Time; t != nil {
1145 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1146 if t.Duration != 0 {
1147 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1148 }
1149 }
1150 var atts []junk.Junk
1151 for _, d := range h.Donks {
1152 if re_emus.MatchString(d.Name) {
1153 continue
1154 }
1155 jd := junk.New()
1156 jd["mediaType"] = d.Media
1157 jd["name"] = d.Name
1158 jd["summary"] = html.EscapeString(d.Desc)
1159 jd["type"] = "Document"
1160 jd["url"] = d.URL
1161 atts = append(atts, jd)
1162 }
1163 if len(atts) > 0 {
1164 jo["attachment"] = atts
1165 }
1166 jo["summary"] = html.EscapeString(h.Precis)
1167 jo["content"] = h.Noise
1168 j["object"] = jo
1169 case "bonk":
1170 j["type"] = "Announce"
1171 if h.Convoy != "" {
1172 j["context"] = h.Convoy
1173 }
1174 j["object"] = h.XID
1175 case "unbonk":
1176 b := junk.New()
1177 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1178 b["type"] = "Announce"
1179 b["actor"] = user.URL
1180 if h.Convoy != "" {
1181 b["context"] = h.Convoy
1182 }
1183 b["object"] = h.XID
1184 j["type"] = "Undo"
1185 j["object"] = b
1186 case "zonk":
1187 j["type"] = "Delete"
1188 j["object"] = h.XID
1189 case "ack":
1190 j["type"] = "Read"
1191 j["object"] = h.XID
1192 if h.Convoy != "" {
1193 j["context"] = h.Convoy
1194 }
1195 case "react":
1196 j["type"] = "EmojiReact"
1197 j["object"] = h.XID
1198 if h.Convoy != "" {
1199 j["context"] = h.Convoy
1200 }
1201 j["content"] = h.Noise
1202 case "deack":
1203 b := junk.New()
1204 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1205 b["type"] = "Read"
1206 b["actor"] = user.URL
1207 b["object"] = h.XID
1208 if h.Convoy != "" {
1209 b["context"] = h.Convoy
1210 }
1211 j["type"] = "Undo"
1212 j["object"] = b
1213 }
1214
1215 return j, jo
1216}
1217
1218var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1219 row := stmtAnyXonk.QueryRow(xid)
1220 honk := scanhonk(row)
1221 if honk == nil || !honk.Public {
1222 return nil, true
1223 }
1224 user, _ := butwhatabout(honk.Username)
1225 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1226 reversehonks(rawhonks)
1227 for _, h := range rawhonks {
1228 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1229 honk.Replies = append(honk.Replies, h)
1230 }
1231 }
1232 donksforhonks([]*Honk{honk})
1233 _, j := jonkjonk(user, honk)
1234 j["@context"] = itiswhatitis
1235
1236 return j.ToBytes(), true
1237}, Limit: 128})
1238
1239func gimmejonk(xid string) ([]byte, bool) {
1240 var j []byte
1241 ok := oldjonks.Get(xid, &j)
1242 return j, ok
1243}
1244
1245func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1246 rcpts := make(map[string]bool)
1247 for _, a := range addresses {
1248 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1249 continue
1250 }
1251 if a[0] == '%' {
1252 rcpts[a] = true
1253 continue
1254 }
1255 var box *Box
1256 ok := boxofboxes.Get(a, &box)
1257 if ok && useshared && box.Shared != "" {
1258 rcpts["%"+box.Shared] = true
1259 } else {
1260 rcpts[a] = true
1261 }
1262 }
1263 return rcpts
1264}
1265
1266func sendchonk(user *WhatAbout, ch *Chonk) {
1267 dt := ch.Date.Format(time.RFC3339)
1268 aud := []string{ch.Target}
1269
1270 jo := junk.New()
1271 jo["id"] = ch.XID
1272 jo["type"] = "ChatMessage"
1273 jo["published"] = dt
1274 jo["attributedTo"] = user.URL
1275 jo["to"] = aud
1276 jo["content"] = ch.Noise
1277
1278 j := junk.New()
1279 j["@context"] = itiswhatitis
1280 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1281 j["type"] = "Create"
1282 j["actor"] = user.URL
1283 j["published"] = dt
1284 j["to"] = aud
1285 j["object"] = jo
1286
1287 msg := j.ToBytes()
1288 rcpts := make(map[string]bool)
1289 rcpts[ch.Target] = true
1290 for a := range rcpts {
1291 go deliverate(0, user.ID, a, msg)
1292 }
1293}
1294
1295func honkworldwide(user *WhatAbout, honk *Honk) {
1296 jonk, _ := jonkjonk(user, honk)
1297 jonk["@context"] = itiswhatitis
1298 msg := jonk.ToBytes()
1299
1300 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1301
1302 if honk.Public {
1303 for _, h := range getdubs(user.ID) {
1304 if h.XID == user.URL {
1305 continue
1306 }
1307 var box *Box
1308 ok := boxofboxes.Get(h.XID, &box)
1309 if ok && box.Shared != "" {
1310 rcpts["%"+box.Shared] = true
1311 } else {
1312 rcpts[h.XID] = true
1313 }
1314 }
1315 for _, f := range getbacktracks(honk.XID) {
1316 rcpts[f] = true
1317 }
1318 }
1319 for a := range rcpts {
1320 go deliverate(0, user.ID, a, msg)
1321 }
1322 if honk.Public && len(honk.Onts) > 0 {
1323 collectiveaction(honk)
1324 }
1325}
1326
1327func collectiveaction(honk *Honk) {
1328 user := getserveruser()
1329 for _, ont := range honk.Onts {
1330 dubs := getnameddubs(serverUID, ont)
1331 if len(dubs) == 0 {
1332 continue
1333 }
1334 j := junk.New()
1335 j["@context"] = itiswhatitis
1336 j["type"] = "Add"
1337 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1338 j["actor"] = user.URL
1339 j["object"] = honk.XID
1340 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1341 rcpts := make(map[string]bool)
1342 for _, dub := range dubs {
1343 var box *Box
1344 ok := boxofboxes.Get(dub.XID, &box)
1345 if ok && box.Shared != "" {
1346 rcpts["%"+box.Shared] = true
1347 } else {
1348 rcpts[dub.XID] = true
1349 }
1350 }
1351 msg := j.ToBytes()
1352 for a := range rcpts {
1353 go deliverate(0, user.ID, a, msg)
1354 }
1355 }
1356}
1357
1358func junkuser(user *WhatAbout) junk.Junk {
1359 about := markitzero(user.About)
1360
1361 j := junk.New()
1362 j["@context"] = itiswhatitis
1363 j["id"] = user.URL
1364 j["inbox"] = user.URL + "/inbox"
1365 j["outbox"] = user.URL + "/outbox"
1366 j["name"] = user.Display
1367 j["preferredUsername"] = user.Name
1368 j["summary"] = about
1369 if user.ID > 0 {
1370 j["type"] = "Person"
1371 j["url"] = user.URL
1372 j["followers"] = user.URL + "/followers"
1373 j["following"] = user.URL + "/following"
1374 a := junk.New()
1375 a["type"] = "Image"
1376 a["mediaType"] = "image/png"
1377 if ava := user.Options.Avatar; ava != "" {
1378 a["url"] = ava
1379 } else {
1380 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1381 }
1382 j["icon"] = a
1383 } else {
1384 j["type"] = "Service"
1385 }
1386 k := junk.New()
1387 k["id"] = user.URL + "#key"
1388 k["owner"] = user.URL
1389 k["publicKeyPem"] = user.Key
1390 j["publicKey"] = k
1391
1392 return j
1393}
1394
1395var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1396 user, err := butwhatabout(name)
1397 if err != nil {
1398 return nil, false
1399 }
1400 var buf bytes.Buffer
1401 j := junkuser(user)
1402 j.Write(&buf)
1403 return buf.Bytes(), true
1404}, Duration: 1 * time.Minute})
1405
1406func asjonker(name string) ([]byte, bool) {
1407 var j []byte
1408 ok := oldjonkers.Get(name, &j)
1409 return j, ok
1410}
1411
1412var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1413 m := strings.Split(name, "@")
1414 if len(m) != 2 {
1415 log.Printf("bad fish name: %s", name)
1416 return "", true
1417 }
1418 var href string
1419 row := stmtGetXonker.QueryRow(name, "fishname")
1420 err := row.Scan(&href)
1421 if err == nil {
1422 return href, true
1423 }
1424 log.Printf("fishing for %s", name)
1425 j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1426 if err != nil {
1427 log.Printf("failed to go fish %s: %s", name, err)
1428 return "", true
1429 }
1430 links, _ := j.GetArray("links")
1431 for _, li := range links {
1432 l, ok := li.(junk.Junk)
1433 if !ok {
1434 continue
1435 }
1436 href, _ := l.GetString("href")
1437 rel, _ := l.GetString("rel")
1438 t, _ := l.GetString("type")
1439 if rel == "self" && friendorfoe(t) {
1440 when := time.Now().UTC().Format(dbtimeformat)
1441 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1442 if err != nil {
1443 log.Printf("error saving fishname: %s", err)
1444 }
1445 return href, true
1446 }
1447 }
1448 return href, true
1449}, Duration: 1 * time.Minute})
1450
1451func gofish(name string) string {
1452 if name[0] == '@' {
1453 name = name[1:]
1454 }
1455 var href string
1456 handfull.Get(name, &href)
1457 return href
1458}
1459
1460func investigate(name string) (*SomeThing, error) {
1461 if name == "" {
1462 return nil, fmt.Errorf("no name")
1463 }
1464 if name[0] == '@' {
1465 name = gofish(name)
1466 }
1467 if name == "" {
1468 return nil, fmt.Errorf("no name")
1469 }
1470 obj, err := GetJunkFast(name)
1471 if err != nil {
1472 return nil, err
1473 }
1474 allinjest(originate(name), obj)
1475 return somethingabout(obj)
1476}
1477
1478func somethingabout(obj junk.Junk) (*SomeThing, error) {
1479 info := new(SomeThing)
1480 t, _ := obj.GetString("type")
1481 switch t {
1482 case "Person":
1483 fallthrough
1484 case "Organization":
1485 fallthrough
1486 case "Application":
1487 fallthrough
1488 case "Service":
1489 info.What = SomeActor
1490 case "OrderedCollection":
1491 fallthrough
1492 case "Collection":
1493 info.What = SomeCollection
1494 default:
1495 return nil, fmt.Errorf("unknown object type")
1496 }
1497 info.XID, _ = obj.GetString("id")
1498 info.Name, _ = obj.GetString("preferredUsername")
1499 if info.Name == "" {
1500 info.Name, _ = obj.GetString("name")
1501 }
1502 info.Owner, _ = obj.GetString("attributedTo")
1503 if info.Owner == "" {
1504 info.Owner = info.XID
1505 }
1506 return info, nil
1507}
1508
1509func allinjest(origin string, obj junk.Junk) {
1510 keyobj, ok := obj.GetMap("publicKey")
1511 if ok {
1512 ingestpubkey(origin, keyobj)
1513 }
1514 ingestboxes(origin, obj)
1515 ingesthandle(origin, obj)
1516}
1517
1518func ingestpubkey(origin string, obj junk.Junk) {
1519 keyobj, ok := obj.GetMap("publicKey")
1520 if ok {
1521 obj = keyobj
1522 }
1523 keyname, ok := obj.GetString("id")
1524 var data string
1525 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1526 err := row.Scan(&data)
1527 if err == nil {
1528 return
1529 }
1530 if !ok || origin != originate(keyname) {
1531 log.Printf("bad key origin %s <> %s", origin, keyname)
1532 return
1533 }
1534 log.Printf("ingesting a needed pubkey: %s", keyname)
1535 owner, ok := obj.GetString("owner")
1536 if !ok {
1537 log.Printf("error finding %s pubkey owner", keyname)
1538 return
1539 }
1540 data, ok = obj.GetString("publicKeyPem")
1541 if !ok {
1542 log.Printf("error finding %s pubkey", keyname)
1543 return
1544 }
1545 if originate(owner) != origin {
1546 log.Printf("bad key owner: %s <> %s", owner, origin)
1547 return
1548 }
1549 _, _, err = httpsig.DecodeKey(data)
1550 if err != nil {
1551 log.Printf("error decoding %s pubkey: %s", keyname, err)
1552 return
1553 }
1554 when := time.Now().UTC().Format(dbtimeformat)
1555 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1556 if err != nil {
1557 log.Printf("error saving key: %s", err)
1558 }
1559}
1560
1561func ingestboxes(origin string, obj junk.Junk) {
1562 ident, _ := obj.GetString("id")
1563 if ident == "" {
1564 return
1565 }
1566 if originate(ident) != origin {
1567 return
1568 }
1569 var info string
1570 row := stmtGetXonker.QueryRow(ident, "boxes")
1571 err := row.Scan(&info)
1572 if err == nil {
1573 return
1574 }
1575 log.Printf("ingesting boxes: %s", ident)
1576 inbox, _ := obj.GetString("inbox")
1577 outbox, _ := obj.GetString("outbox")
1578 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1579 if inbox != "" {
1580 when := time.Now().UTC().Format(dbtimeformat)
1581 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1582 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1583 if err != nil {
1584 log.Printf("error saving boxes: %s", err)
1585 }
1586 }
1587}
1588
1589func ingesthandle(origin string, obj junk.Junk) {
1590 xid, _ := obj.GetString("id")
1591 if xid == "" {
1592 return
1593 }
1594 if originate(xid) != origin {
1595 return
1596 }
1597 var handle string
1598 row := stmtGetXonker.QueryRow(xid, "handle")
1599 err := row.Scan(&handle)
1600 if err == nil {
1601 return
1602 }
1603 handle, _ = obj.GetString("preferredUsername")
1604 if handle != "" {
1605 when := time.Now().UTC().Format(dbtimeformat)
1606 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1607 if err != nil {
1608 log.Printf("error saving handle: %s", err)
1609 }
1610 }
1611}
1612
1613func updateMe(username string) {
1614 var user *WhatAbout
1615 somenamedusers.Get(username, &user)
1616 dt := time.Now().UTC().Format(time.RFC3339)
1617 j := junk.New()
1618 j["@context"] = itiswhatitis
1619 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1620 j["actor"] = user.URL
1621 j["published"] = dt
1622 j["to"] = []string{thewholeworld, user.URL + "/followers"}
1623 j["type"] = "Update"
1624 j["object"] = junkuser(user)
1625
1626 msg := j.ToBytes()
1627
1628 rcpts := make(map[string]bool)
1629 for _, f := range getdubs(user.ID) {
1630 if f.XID == user.URL {
1631 continue
1632 }
1633 var box *Box
1634 boxofboxes.Get(f.XID, &box)
1635 if box != nil && box.Shared != "" {
1636 rcpts["%"+box.Shared] = true
1637 } else {
1638 rcpts[f.XID] = true
1639 }
1640 }
1641 for a := range rcpts {
1642 go deliverate(0, user.ID, a, msg)
1643 }
1644}