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