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