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