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