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 debugClient = &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 debugMode {
74 client = debugClient
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 debugMode {
133 client = debugClient
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 debugMode {
160 client = debugClient
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
673 var mentions []Mention
674 if obj != nil {
675 ot, _ := obj.GetString("type")
676 url, _ = obj.GetString("url")
677 if dt2, ok := obj.GetString("published"); ok {
678 dt = dt2
679 }
680 content, _ := obj.GetString("content")
681 if !strings.HasPrefix(content, "<p>") {
682 content = "<p>" + content
683 }
684 precis, _ := obj.GetString("summary")
685 if name, ok := obj.GetString("name"); ok {
686 if precis != "" {
687 content = precis + "<p>" + content
688 }
689 precis = html.EscapeString(name)
690 }
691 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
692 precis = "unspecified horror"
693 }
694 rid, ok = obj.GetString("inReplyTo")
695 if !ok {
696 if robj, ok := obj.GetMap("inReplyTo"); ok {
697 rid, _ = robj.GetString("id")
698 }
699 }
700 convoy, _ = obj.GetString("context")
701 if convoy == "" {
702 convoy, _ = obj.GetString("conversation")
703 }
704 if ot == "Question" {
705 if what == "honk" {
706 what = "qonk"
707 }
708 content += "<ul>"
709 ans, _ := obj.GetArray("oneOf")
710 for _, ai := range ans {
711 a, ok := ai.(junk.Junk)
712 if !ok {
713 continue
714 }
715 as, _ := a.GetString("name")
716 content += "<li>" + as
717 }
718 ans, _ = obj.GetArray("anyOf")
719 for _, ai := range ans {
720 a, ok := ai.(junk.Junk)
721 if !ok {
722 continue
723 }
724 as, _ := a.GetString("name")
725 content += "<li>" + as
726 }
727 content += "</ul>"
728 }
729 if ot == "Move" {
730 targ, _ := obj.GetString("target")
731 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
732 }
733 if ot == "GuessWord" {
734 what = "wonk"
735 content, _ = obj.GetString("content")
736 xonk.Wonkles, _ = obj.GetString("wordlist")
737 go savewonkles(xonk.Wonkles)
738 }
739 if what == "honk" && rid != "" {
740 what = "tonk"
741 }
742 if len(content) > 90001 {
743 ilog.Printf("content too long. truncating")
744 content = content[:90001]
745 }
746
747 xonk.Noise = content
748 xonk.Precis = precis
749 if rejectxonk(&xonk) {
750 dlog.Printf("fast reject: %s", xid)
751 return nil
752 }
753
754 numatts := 0
755 procatt := func(att junk.Junk) {
756 at, _ := att.GetString("type")
757 mt, _ := att.GetString("mediaType")
758 u, ok := att.GetString("url")
759 if !ok {
760 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
761 u, ok = ua[0].(string)
762 if !ok {
763 if uu, ok := ua[0].(junk.Junk); ok {
764 u, _ = uu.GetString("href")
765 if mt == "" {
766 mt, _ = uu.GetString("mediaType")
767 }
768 }
769 }
770 } else if uu, ok := att.GetMap("url"); ok {
771 u, _ = uu.GetString("href")
772 if mt == "" {
773 mt, _ = uu.GetString("mediaType")
774 }
775 }
776 }
777 name, _ := att.GetString("name")
778 desc, _ := att.GetString("summary")
779 desc = html.UnescapeString(desc)
780 if desc == "" {
781 desc = name
782 }
783 localize := false
784 if numatts > 4 {
785 ilog.Printf("excessive attachment: %s", at)
786 } else if at == "Document" || at == "Image" {
787 mt = strings.ToLower(mt)
788 dlog.Printf("attachment: %s %s", mt, u)
789 if mt == "text/plain" || mt == "application/pdf" ||
790 strings.HasPrefix(mt, "image") {
791 localize = true
792 }
793 } else {
794 ilog.Printf("unknown attachment: %s", at)
795 }
796 if skipMedia(&xonk) {
797 localize = false
798 }
799 donk := savedonk(u, name, desc, mt, localize)
800 if donk != nil {
801 xonk.Donks = append(xonk.Donks, donk)
802 }
803 numatts++
804 }
805 atts, _ := obj.GetArray("attachment")
806 for _, atti := range atts {
807 att, ok := atti.(junk.Junk)
808 if !ok {
809 ilog.Printf("attachment that wasn't map?")
810 continue
811 }
812 procatt(att)
813 }
814 if att, ok := obj.GetMap("attachment"); ok {
815 procatt(att)
816 }
817 tags, _ := obj.GetArray("tag")
818 for _, tagi := range tags {
819 tag, ok := tagi.(junk.Junk)
820 if !ok {
821 continue
822 }
823 tt, _ := tag.GetString("type")
824 name, _ := tag.GetString("name")
825 desc, _ := tag.GetString("summary")
826 desc = html.UnescapeString(desc)
827 if desc == "" {
828 desc = name
829 }
830 if tt == "Emoji" {
831 icon, _ := tag.GetMap("icon")
832 mt, _ := icon.GetString("mediaType")
833 if mt == "" {
834 mt = "image/png"
835 }
836 u, _ := icon.GetString("url")
837 donk := savedonk(u, name, desc, mt, true)
838 if donk != nil {
839 xonk.Donks = append(xonk.Donks, donk)
840 }
841 }
842 if tt == "Hashtag" {
843 if name == "" || name == "#" {
844 // skip it
845 } else {
846 if name[0] != '#' {
847 name = "#" + name
848 }
849 xonk.Onts = append(xonk.Onts, name)
850 }
851 }
852 if tt == "Place" {
853 p := new(Place)
854 p.Name = name
855 p.Latitude, _ = tag.GetNumber("latitude")
856 p.Longitude, _ = tag.GetNumber("longitude")
857 p.Url, _ = tag.GetString("url")
858 xonk.Place = p
859 }
860 if tt == "Mention" {
861 var m Mention
862 m.Who, _ = tag.GetString("name")
863 m.Where, _ = tag.GetString("href")
864 mentions = append(mentions, m)
865 }
866 }
867 if starttime, ok := obj.GetString("startTime"); ok {
868 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
869 t := new(Time)
870 t.StartTime = start
871 endtime, _ := obj.GetString("endTime")
872 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
873 dura, _ := obj.GetString("duration")
874 if strings.HasPrefix(dura, "PT") {
875 dura = strings.ToLower(dura[2:])
876 d, _ := time.ParseDuration(dura)
877 t.Duration = Duration(d)
878 }
879 xonk.Time = t
880 }
881 }
882 if loca, ok := obj.GetMap("location"); ok {
883 if tt, _ := loca.GetString("type"); tt == "Place" {
884 p := new(Place)
885 p.Name, _ = loca.GetString("name")
886 p.Latitude, _ = loca.GetNumber("latitude")
887 p.Longitude, _ = loca.GetNumber("longitude")
888 p.Url, _ = loca.GetString("url")
889 xonk.Place = p
890 }
891 }
892
893 xonk.Onts = oneofakind(xonk.Onts)
894 replyobj, ok := obj.GetMap("replies")
895 if ok {
896 items, ok := replyobj.GetArray("items")
897 if !ok {
898 first, ok := replyobj.GetMap("first")
899 if ok {
900 items, _ = first.GetArray("items")
901 }
902 }
903 for _, repl := range items {
904 s, ok := repl.(string)
905 if ok {
906 replies = append(replies, s)
907 }
908 }
909 }
910
911 }
912
913 if currenttid == "" {
914 currenttid = convoy
915 }
916
917 // init xonk
918 xonk.What = what
919 xonk.RID = rid
920 xonk.Date, _ = time.Parse(time.RFC3339, dt)
921 xonk.URL = url
922 xonk.Format = "html"
923 xonk.Convoy = convoy
924 xonk.Mentions = mentions
925 for _, m := range mentions {
926 if m.Where == user.URL {
927 xonk.Whofore = 1
928 }
929 }
930 imaginate(&xonk)
931
932 if what == "chonk" {
933 ch := Chonk{
934 UserID: xonk.UserID,
935 XID: xid,
936 Who: xonk.Honker,
937 Target: xonk.Honker,
938 Date: xonk.Date,
939 Noise: xonk.Noise,
940 Format: xonk.Format,
941 Donks: xonk.Donks,
942 }
943 savechonk(&ch)
944 return nil
945 }
946
947 if isUpdate {
948 dlog.Printf("something has changed! %s", xonk.XID)
949 prev := getxonk(user.ID, xonk.XID)
950 if prev == nil {
951 ilog.Printf("didn't find old version for update: %s", xonk.XID)
952 isUpdate = false
953 } else {
954 xonk.ID = prev.ID
955 updatehonk(&xonk)
956 }
957 }
958 if !isUpdate && needxonk(user, &xonk) {
959 if rid != "" {
960 if needxonkid(user, rid) {
961 goingup++
962 saveonemore(rid)
963 goingup--
964 }
965 if convoy == "" {
966 xx := getxonk(user.ID, rid)
967 if xx != nil {
968 convoy = xx.Convoy
969 }
970 }
971 }
972 if convoy == "" {
973 convoy = currenttid
974 }
975 if convoy == "" {
976 convoy = "data:,missing-" + xfiltrate()
977 currenttid = convoy
978 }
979 xonk.Convoy = convoy
980 savexonk(&xonk)
981 }
982 if goingup == 0 {
983 for _, replid := range replies {
984 if needxonkid(user, replid) {
985 dlog.Printf("missing a reply: %s", replid)
986 saveonemore(replid)
987 }
988 }
989 }
990 return &xonk
991 }
992
993 return xonkxonkfn(item, origin, false)
994}
995
996func dumpactivity(item junk.Junk) {
997 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
998 if err != nil {
999 elog.Printf("error opening inbox! %s", err)
1000 return
1001 }
1002 defer fd.Close()
1003 item.Write(fd)
1004 io.WriteString(fd, "\n")
1005}
1006
1007func rubadubdub(user *WhatAbout, req junk.Junk) {
1008 actor, _ := req.GetString("actor")
1009 j := junk.New()
1010 j["@context"] = itiswhatitis
1011 j["id"] = user.URL + "/dub/" + xfiltrate()
1012 j["type"] = "Accept"
1013 j["actor"] = user.URL
1014 j["to"] = actor
1015 j["published"] = time.Now().UTC().Format(time.RFC3339)
1016 j["object"] = req
1017
1018 deliverate(0, user.ID, actor, j.ToBytes(), true)
1019}
1020
1021func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1022 j := junk.New()
1023 j["@context"] = itiswhatitis
1024 j["id"] = user.URL + "/unsub/" + folxid
1025 j["type"] = "Undo"
1026 j["actor"] = user.URL
1027 j["to"] = owner
1028 f := junk.New()
1029 f["id"] = user.URL + "/sub/" + folxid
1030 f["type"] = "Follow"
1031 f["actor"] = user.URL
1032 f["to"] = owner
1033 f["object"] = xid
1034 j["object"] = f
1035 j["published"] = time.Now().UTC().Format(time.RFC3339)
1036
1037 deliverate(0, user.ID, owner, j.ToBytes(), true)
1038}
1039
1040func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1041 if xid == "" {
1042 ilog.Printf("can't subscribe to empty")
1043 return
1044 }
1045 j := junk.New()
1046 j["@context"] = itiswhatitis
1047 j["id"] = user.URL + "/sub/" + folxid
1048 j["type"] = "Follow"
1049 j["actor"] = user.URL
1050 j["to"] = owner
1051 j["object"] = xid
1052 j["published"] = time.Now().UTC().Format(time.RFC3339)
1053
1054 deliverate(0, user.ID, owner, j.ToBytes(), true)
1055}
1056
1057func activatedonks(donks []*Donk) []junk.Junk {
1058 var atts []junk.Junk
1059 for _, d := range donks {
1060 if re_emus.MatchString(d.Name) {
1061 continue
1062 }
1063 jd := junk.New()
1064 jd["mediaType"] = d.Media
1065 jd["name"] = d.Name
1066 jd["summary"] = html.EscapeString(d.Desc)
1067 jd["type"] = "Document"
1068 jd["url"] = d.URL
1069 atts = append(atts, jd)
1070 }
1071 return atts
1072}
1073
1074// returns activity, object
1075func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1076 dt := h.Date.Format(time.RFC3339)
1077 var jo junk.Junk
1078 j := junk.New()
1079 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1080 j["actor"] = user.URL
1081 j["published"] = dt
1082 j["to"] = h.Audience[0]
1083 if len(h.Audience) > 1 {
1084 j["cc"] = h.Audience[1:]
1085 }
1086
1087 switch h.What {
1088 case "update":
1089 fallthrough
1090 case "tonk":
1091 fallthrough
1092 case "event":
1093 fallthrough
1094 case "wonk":
1095 fallthrough
1096 case "honk":
1097 j["type"] = "Create"
1098 if h.What == "update" {
1099 j["type"] = "Update"
1100 }
1101
1102 jo = junk.New()
1103 jo["id"] = h.XID
1104 jo["type"] = "Note"
1105 if h.What == "event" {
1106 jo["type"] = "Event"
1107 } else if h.What == "wonk" {
1108 jo["type"] = "GuessWord"
1109 }
1110 jo["published"] = dt
1111 jo["url"] = h.XID
1112 jo["attributedTo"] = user.URL
1113 if h.RID != "" {
1114 jo["inReplyTo"] = h.RID
1115 }
1116 if h.Convoy != "" {
1117 jo["context"] = h.Convoy
1118 jo["conversation"] = h.Convoy
1119 }
1120 jo["to"] = h.Audience[0]
1121 if len(h.Audience) > 1 {
1122 jo["cc"] = h.Audience[1:]
1123 }
1124 if !h.Public {
1125 jo["directMessage"] = true
1126 }
1127 translate(h)
1128 redoimages(h)
1129 if h.Precis != "" {
1130 jo["sensitive"] = true
1131 }
1132
1133 var replies []string
1134 for _, reply := range h.Replies {
1135 replies = append(replies, reply.XID)
1136 }
1137 if len(replies) > 0 {
1138 jr := junk.New()
1139 jr["type"] = "Collection"
1140 jr["totalItems"] = len(replies)
1141 jr["items"] = replies
1142 jo["replies"] = jr
1143 }
1144
1145 var tags []junk.Junk
1146 for _, m := range h.Mentions {
1147 t := junk.New()
1148 t["type"] = "Mention"
1149 t["name"] = m.Who
1150 t["href"] = m.Where
1151 tags = append(tags, t)
1152 }
1153 for _, o := range h.Onts {
1154 t := junk.New()
1155 t["type"] = "Hashtag"
1156 o = strings.ToLower(o)
1157 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1158 t["name"] = o
1159 tags = append(tags, t)
1160 }
1161 for _, e := range herdofemus(h.Noise) {
1162 t := junk.New()
1163 t["id"] = e.ID
1164 t["type"] = "Emoji"
1165 t["name"] = e.Name
1166 i := junk.New()
1167 i["type"] = "Image"
1168 i["mediaType"] = "image/png"
1169 i["url"] = e.ID
1170 t["icon"] = i
1171 tags = append(tags, t)
1172 }
1173 for _, e := range fixupflags(h) {
1174 t := junk.New()
1175 t["id"] = e.ID
1176 t["type"] = "Emoji"
1177 t["name"] = e.Name
1178 i := junk.New()
1179 i["type"] = "Image"
1180 i["mediaType"] = "image/png"
1181 i["url"] = e.ID
1182 t["icon"] = i
1183 tags = append(tags, t)
1184 }
1185 if len(tags) > 0 {
1186 jo["tag"] = tags
1187 }
1188 if p := h.Place; p != nil {
1189 t := junk.New()
1190 t["type"] = "Place"
1191 if p.Name != "" {
1192 t["name"] = p.Name
1193 }
1194 if p.Latitude != 0 {
1195 t["latitude"] = p.Latitude
1196 }
1197 if p.Longitude != 0 {
1198 t["longitude"] = p.Longitude
1199 }
1200 if p.Url != "" {
1201 t["url"] = p.Url
1202 }
1203 jo["location"] = t
1204 }
1205 if t := h.Time; t != nil {
1206 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1207 if t.Duration != 0 {
1208 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1209 }
1210 }
1211 if w := h.Wonkles; w != "" {
1212 jo["wordlist"] = w
1213 }
1214 atts := activatedonks(h.Donks)
1215 if len(atts) > 0 {
1216 jo["attachment"] = atts
1217 }
1218 jo["summary"] = html.EscapeString(h.Precis)
1219 jo["content"] = h.Noise
1220 j["object"] = jo
1221 case "bonk":
1222 j["type"] = "Announce"
1223 if h.Convoy != "" {
1224 j["context"] = h.Convoy
1225 }
1226 j["object"] = h.XID
1227 case "unbonk":
1228 b := junk.New()
1229 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1230 b["type"] = "Announce"
1231 b["actor"] = user.URL
1232 if h.Convoy != "" {
1233 b["context"] = h.Convoy
1234 }
1235 b["object"] = h.XID
1236 j["type"] = "Undo"
1237 j["object"] = b
1238 case "zonk":
1239 j["type"] = "Delete"
1240 j["object"] = h.XID
1241 case "ack":
1242 j["type"] = "Read"
1243 j["object"] = h.XID
1244 if h.Convoy != "" {
1245 j["context"] = h.Convoy
1246 }
1247 case "react":
1248 j["type"] = "EmojiReact"
1249 j["object"] = h.XID
1250 if h.Convoy != "" {
1251 j["context"] = h.Convoy
1252 }
1253 j["content"] = h.Noise
1254 case "deack":
1255 b := junk.New()
1256 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1257 b["type"] = "Read"
1258 b["actor"] = user.URL
1259 b["object"] = h.XID
1260 if h.Convoy != "" {
1261 b["context"] = h.Convoy
1262 }
1263 j["type"] = "Undo"
1264 j["object"] = b
1265 }
1266
1267 return j, jo
1268}
1269
1270var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1271 row := stmtAnyXonk.QueryRow(xid)
1272 honk := scanhonk(row)
1273 if honk == nil || !honk.Public {
1274 return nil, true
1275 }
1276 user, _ := butwhatabout(honk.Username)
1277 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1278 reversehonks(rawhonks)
1279 for _, h := range rawhonks {
1280 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1281 honk.Replies = append(honk.Replies, h)
1282 }
1283 }
1284 donksforhonks([]*Honk{honk})
1285 _, j := jonkjonk(user, honk)
1286 j["@context"] = itiswhatitis
1287
1288 return j.ToBytes(), true
1289}, Limit: 128})
1290
1291func gimmejonk(xid string) ([]byte, bool) {
1292 var j []byte
1293 ok := oldjonks.Get(xid, &j)
1294 return j, ok
1295}
1296
1297func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1298 rcpts := make(map[string]bool)
1299 for _, a := range addresses {
1300 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1301 continue
1302 }
1303 if a[0] == '%' {
1304 rcpts[a] = true
1305 continue
1306 }
1307 var box *Box
1308 ok := boxofboxes.Get(a, &box)
1309 if ok && useshared && box.Shared != "" {
1310 rcpts["%"+box.Shared] = true
1311 } else {
1312 rcpts[a] = true
1313 }
1314 }
1315 return rcpts
1316}
1317
1318func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1319 dt := ch.Date.Format(time.RFC3339)
1320 aud := []string{ch.Target}
1321
1322 jo := junk.New()
1323 jo["id"] = ch.XID
1324 jo["type"] = "ChatMessage"
1325 jo["published"] = dt
1326 jo["attributedTo"] = user.URL
1327 jo["to"] = aud
1328 jo["content"] = ch.HTML
1329 atts := activatedonks(ch.Donks)
1330 if len(atts) > 0 {
1331 jo["attachment"] = atts
1332 }
1333 var tags []junk.Junk
1334 for _, e := range herdofemus(ch.Noise) {
1335 t := junk.New()
1336 t["id"] = e.ID
1337 t["type"] = "Emoji"
1338 t["name"] = e.Name
1339 i := junk.New()
1340 i["type"] = "Image"
1341 i["mediaType"] = "image/png"
1342 i["url"] = e.ID
1343 t["icon"] = i
1344 tags = append(tags, t)
1345 }
1346 if len(tags) > 0 {
1347 jo["tag"] = tags
1348 }
1349
1350 j := junk.New()
1351 j["@context"] = itiswhatitis
1352 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1353 j["type"] = "Create"
1354 j["actor"] = user.URL
1355 j["published"] = dt
1356 j["to"] = aud
1357 j["object"] = jo
1358
1359 return j.ToBytes()
1360}
1361
1362func sendchonk(user *WhatAbout, ch *Chonk) {
1363 msg := chonkifymsg(user, ch)
1364
1365 rcpts := make(map[string]bool)
1366 rcpts[ch.Target] = true
1367 for a := range rcpts {
1368 go deliverate(0, user.ID, a, msg, true)
1369 }
1370}
1371
1372func honkworldwide(user *WhatAbout, honk *Honk) {
1373 jonk, _ := jonkjonk(user, honk)
1374 jonk["@context"] = itiswhatitis
1375 msg := jonk.ToBytes()
1376
1377 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1378
1379 if honk.Public {
1380 for _, h := range getdubs(user.ID) {
1381 if h.XID == user.URL {
1382 continue
1383 }
1384 var box *Box
1385 ok := boxofboxes.Get(h.XID, &box)
1386 if ok && box.Shared != "" {
1387 rcpts["%"+box.Shared] = true
1388 } else {
1389 rcpts[h.XID] = true
1390 }
1391 }
1392 for _, f := range getbacktracks(honk.XID) {
1393 if f[0] == '%' {
1394 rcpts[f] = true
1395 } else {
1396 var box *Box
1397 ok := boxofboxes.Get(f, &box)
1398 if ok && box.Shared != "" {
1399 rcpts["%"+box.Shared] = true
1400 } else {
1401 rcpts[f] = true
1402 }
1403 }
1404 }
1405 }
1406 for a := range rcpts {
1407 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1408 }
1409 if honk.Public && len(honk.Onts) > 0 {
1410 collectiveaction(honk)
1411 }
1412}
1413
1414func doesitmatter(what string) bool {
1415 switch what {
1416 case "ack":
1417 return false
1418 case "react":
1419 return false
1420 case "deack":
1421 return false
1422 }
1423 return true
1424}
1425
1426func collectiveaction(honk *Honk) {
1427 user := getserveruser()
1428 for _, ont := range honk.Onts {
1429 dubs := getnameddubs(serverUID, ont)
1430 if len(dubs) == 0 {
1431 continue
1432 }
1433 j := junk.New()
1434 j["@context"] = itiswhatitis
1435 j["type"] = "Add"
1436 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1437 j["actor"] = user.URL
1438 j["object"] = honk.XID
1439 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1440 rcpts := make(map[string]bool)
1441 for _, dub := range dubs {
1442 var box *Box
1443 ok := boxofboxes.Get(dub.XID, &box)
1444 if ok && box.Shared != "" {
1445 rcpts["%"+box.Shared] = true
1446 } else {
1447 rcpts[dub.XID] = true
1448 }
1449 }
1450 msg := j.ToBytes()
1451 for a := range rcpts {
1452 go deliverate(0, user.ID, a, msg, false)
1453 }
1454 }
1455}
1456
1457func junkuser(user *WhatAbout) junk.Junk {
1458 j := junk.New()
1459 j["@context"] = itiswhatitis
1460 j["id"] = user.URL
1461 j["inbox"] = user.URL + "/inbox"
1462 j["outbox"] = user.URL + "/outbox"
1463 j["name"] = user.Display
1464 j["preferredUsername"] = user.Name
1465 j["summary"] = user.HTAbout
1466 var tags []junk.Junk
1467 for _, o := range user.Onts {
1468 t := junk.New()
1469 t["type"] = "Hashtag"
1470 o = strings.ToLower(o)
1471 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1472 t["name"] = o
1473 tags = append(tags, t)
1474 }
1475 if len(tags) > 0 {
1476 j["tag"] = tags
1477 }
1478
1479 if user.ID > 0 {
1480 j["type"] = "Person"
1481 j["url"] = user.URL
1482 j["followers"] = user.URL + "/followers"
1483 j["following"] = user.URL + "/following"
1484 a := junk.New()
1485 a["type"] = "Image"
1486 a["mediaType"] = "image/png"
1487 if ava := user.Options.Avatar; ava != "" {
1488 a["url"] = ava
1489 } else {
1490 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1491 if user.Options.Avahex {
1492 u += "&hex=1"
1493 }
1494 a["url"] = u
1495 }
1496 j["icon"] = a
1497 } else {
1498 j["type"] = "Service"
1499 }
1500 k := junk.New()
1501 k["id"] = user.URL + "#key"
1502 k["owner"] = user.URL
1503 k["publicKeyPem"] = user.Key
1504 j["publicKey"] = k
1505
1506 return j
1507}
1508
1509var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1510 user, err := butwhatabout(name)
1511 if err != nil {
1512 return nil, false
1513 }
1514 var buf bytes.Buffer
1515 j := junkuser(user)
1516 j.Write(&buf)
1517 return buf.Bytes(), true
1518}, Duration: 1 * time.Minute})
1519
1520func asjonker(name string) ([]byte, bool) {
1521 var j []byte
1522 ok := oldjonkers.Get(name, &j)
1523 return j, ok
1524}
1525
1526var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1527 m := strings.Split(name, "@")
1528 if len(m) != 2 {
1529 dlog.Printf("bad fish name: %s", name)
1530 return "", true
1531 }
1532 var href string
1533 row := stmtGetXonker.QueryRow(name, "fishname")
1534 err := row.Scan(&href)
1535 if err == nil {
1536 return href, true
1537 }
1538 dlog.Printf("fishing for %s", name)
1539 j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1540 if err != nil {
1541 ilog.Printf("failed to go fish %s: %s", name, err)
1542 return "", true
1543 }
1544 links, _ := j.GetArray("links")
1545 for _, li := range links {
1546 l, ok := li.(junk.Junk)
1547 if !ok {
1548 continue
1549 }
1550 href, _ := l.GetString("href")
1551 rel, _ := l.GetString("rel")
1552 t, _ := l.GetString("type")
1553 if rel == "self" && friendorfoe(t) {
1554 when := time.Now().UTC().Format(dbtimeformat)
1555 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1556 if err != nil {
1557 elog.Printf("error saving fishname: %s", err)
1558 }
1559 return href, true
1560 }
1561 }
1562 return href, true
1563}, Duration: 1 * time.Minute})
1564
1565func gofish(name string) string {
1566 if name[0] == '@' {
1567 name = name[1:]
1568 }
1569 var href string
1570 handfull.Get(name, &href)
1571 return href
1572}
1573
1574func investigate(name string) (*SomeThing, error) {
1575 if name == "" {
1576 return nil, fmt.Errorf("no name")
1577 }
1578 if name[0] == '@' {
1579 name = gofish(name)
1580 }
1581 if name == "" {
1582 return nil, fmt.Errorf("no name")
1583 }
1584 obj, err := GetJunkFast(name)
1585 if err != nil {
1586 return nil, err
1587 }
1588 allinjest(originate(name), obj)
1589 return somethingabout(obj)
1590}
1591
1592func somethingabout(obj junk.Junk) (*SomeThing, error) {
1593 info := new(SomeThing)
1594 t, _ := obj.GetString("type")
1595 switch t {
1596 case "Person":
1597 fallthrough
1598 case "Organization":
1599 fallthrough
1600 case "Application":
1601 fallthrough
1602 case "Service":
1603 info.What = SomeActor
1604 case "OrderedCollection":
1605 fallthrough
1606 case "Collection":
1607 info.What = SomeCollection
1608 default:
1609 return nil, fmt.Errorf("unknown object type")
1610 }
1611 info.XID, _ = obj.GetString("id")
1612 info.Name, _ = obj.GetString("preferredUsername")
1613 if info.Name == "" {
1614 info.Name, _ = obj.GetString("name")
1615 }
1616 info.Owner, _ = obj.GetString("attributedTo")
1617 if info.Owner == "" {
1618 info.Owner = info.XID
1619 }
1620 return info, nil
1621}
1622
1623func allinjest(origin string, obj junk.Junk) {
1624 keyobj, ok := obj.GetMap("publicKey")
1625 if ok {
1626 ingestpubkey(origin, keyobj)
1627 }
1628 ingestboxes(origin, obj)
1629 ingesthandle(origin, obj)
1630}
1631
1632func ingestpubkey(origin string, obj junk.Junk) {
1633 keyobj, ok := obj.GetMap("publicKey")
1634 if ok {
1635 obj = keyobj
1636 }
1637 keyname, ok := obj.GetString("id")
1638 var data string
1639 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1640 err := row.Scan(&data)
1641 if err == nil {
1642 return
1643 }
1644 if !ok || origin != originate(keyname) {
1645 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1646 return
1647 }
1648 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1649 owner, ok := obj.GetString("owner")
1650 if !ok {
1651 ilog.Printf("error finding %s pubkey owner", keyname)
1652 return
1653 }
1654 data, ok = obj.GetString("publicKeyPem")
1655 if !ok {
1656 ilog.Printf("error finding %s pubkey", keyname)
1657 return
1658 }
1659 if originate(owner) != origin {
1660 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1661 return
1662 }
1663 _, _, err = httpsig.DecodeKey(data)
1664 if err != nil {
1665 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1666 return
1667 }
1668 when := time.Now().UTC().Format(dbtimeformat)
1669 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1670 if err != nil {
1671 elog.Printf("error saving key: %s", err)
1672 }
1673}
1674
1675func ingestboxes(origin string, obj junk.Junk) {
1676 ident, _ := obj.GetString("id")
1677 if ident == "" {
1678 return
1679 }
1680 if originate(ident) != origin {
1681 return
1682 }
1683 var info string
1684 row := stmtGetXonker.QueryRow(ident, "boxes")
1685 err := row.Scan(&info)
1686 if err == nil {
1687 return
1688 }
1689 dlog.Printf("ingesting boxes: %s", ident)
1690 inbox, _ := obj.GetString("inbox")
1691 outbox, _ := obj.GetString("outbox")
1692 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1693 if inbox != "" {
1694 when := time.Now().UTC().Format(dbtimeformat)
1695 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1696 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1697 if err != nil {
1698 elog.Printf("error saving boxes: %s", err)
1699 }
1700 }
1701}
1702
1703func ingesthandle(origin string, obj junk.Junk) {
1704 xid, _ := obj.GetString("id")
1705 if xid == "" {
1706 return
1707 }
1708 if originate(xid) != origin {
1709 return
1710 }
1711 var handle string
1712 row := stmtGetXonker.QueryRow(xid, "handle")
1713 err := row.Scan(&handle)
1714 if err == nil {
1715 return
1716 }
1717 handle, _ = obj.GetString("preferredUsername")
1718 if handle != "" {
1719 when := time.Now().UTC().Format(dbtimeformat)
1720 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1721 if err != nil {
1722 elog.Printf("error saving handle: %s", err)
1723 }
1724 }
1725}
1726
1727func updateMe(username string) {
1728 var user *WhatAbout
1729 somenamedusers.Get(username, &user)
1730 dt := time.Now().UTC().Format(time.RFC3339)
1731 j := junk.New()
1732 j["@context"] = itiswhatitis
1733 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1734 j["actor"] = user.URL
1735 j["published"] = dt
1736 j["to"] = thewholeworld
1737 j["type"] = "Update"
1738 j["object"] = junkuser(user)
1739
1740 msg := j.ToBytes()
1741
1742 rcpts := make(map[string]bool)
1743 for _, f := range getdubs(user.ID) {
1744 if f.XID == user.URL {
1745 continue
1746 }
1747 var box *Box
1748 boxofboxes.Get(f.XID, &box)
1749 if box != nil && box.Shared != "" {
1750 rcpts["%"+box.Shared] = true
1751 } else {
1752 rcpts[f.XID] = true
1753 }
1754 }
1755 for a := range rcpts {
1756 go deliverate(0, user.ID, a, msg, false)
1757 }
1758}
1759
1760func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1761 folxid, _ := j.GetString("id")
1762
1763 ilog.Printf("updating honker follow: %s %s", who, folxid)
1764
1765 var x string
1766 db := opendatabase()
1767 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1768 err := row.Scan(&x)
1769 if err != sql.ErrNoRows {
1770 ilog.Printf("duplicate follow request: %s", who)
1771 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1772 if err != nil {
1773 elog.Printf("error updating honker: %s", err)
1774 }
1775 } else {
1776 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1777 }
1778 go rubadubdub(user, j)
1779}
1780
1781func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1782 var folxid string
1783 if who == "" {
1784 folxid, _ = j.GetString("object")
1785
1786 db := opendatabase()
1787 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1788 err := row.Scan(&who, &name)
1789 if err != nil {
1790 if err != sql.ErrNoRows {
1791 elog.Printf("error scanning honker: %s", err)
1792 }
1793 return
1794 }
1795 }
1796
1797 ilog.Printf("updating honker undo: %s %s", who, folxid)
1798 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1799 if err != nil {
1800 elog.Printf("error updating honker: %s", err)
1801 return
1802 }
1803}
1804
1805func followyou(user *WhatAbout, honkerid int64) {
1806 var url, owner string
1807 db := opendatabase()
1808 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1809 honkerid, user.ID)
1810 err := row.Scan(&url, &owner)
1811 if err != nil {
1812 elog.Printf("can't get honker xid: %s", err)
1813 return
1814 }
1815 folxid := xfiltrate()
1816 ilog.Printf("subscribing to %s", url)
1817 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1818 if err != nil {
1819 elog.Printf("error updating honker: %s", err)
1820 return
1821 }
1822 go subsub(user, url, owner, folxid)
1823
1824}
1825func unfollowyou(user *WhatAbout, honkerid int64) {
1826 db := opendatabase()
1827 row := db.QueryRow("select xid, owner, folxid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1828 honkerid, user.ID)
1829 var url, owner, folxid string
1830 err := row.Scan(&url, &owner, &folxid)
1831 if err != nil {
1832 elog.Printf("can't get honker xid: %s", err)
1833 return
1834 }
1835 ilog.Printf("unsubscribing from %s", url)
1836 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1837 if err != nil {
1838 elog.Printf("error updating honker: %s", err)
1839 return
1840 }
1841 go itakeitallback(user, url, owner, folxid)
1842}
1843
1844func followyou2(user *WhatAbout, j junk.Junk) {
1845 who, _ := j.GetString("actor")
1846
1847 ilog.Printf("updating honker accept: %s", who)
1848 db := opendatabase()
1849 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub')",
1850 user.ID, who)
1851 var name, folxid string
1852 err := row.Scan(&name, &folxid)
1853 if err != nil {
1854 elog.Printf("can't get honker name: %s", err)
1855 return
1856 }
1857 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1858 if err != nil {
1859 elog.Printf("error updating honker: %s", err)
1860 return
1861 }
1862}
1863
1864func nofollowyou2(user *WhatAbout, j junk.Junk) {
1865 who, _ := j.GetString("actor")
1866
1867 ilog.Printf("updating honker reject: %s", who)
1868 db := opendatabase()
1869 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1870 user.ID, who)
1871 var name, folxid string
1872 err := row.Scan(&name, &folxid)
1873 if err != nil {
1874 elog.Printf("can't get honker name: %s", err)
1875 return
1876 }
1877 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
1878 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
1879 if err != nil {
1880 elog.Printf("error updating honker: %s", err)
1881 return
1882 }
1883}