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
49var fastTimeout time.Duration = 5
50var slowTimeout time.Duration = 30
51
52func friendorfoe(ct string) bool {
53 ct = strings.ToLower(ct)
54 for _, at := range falsenames {
55 if strings.HasPrefix(ct, at) {
56 return true
57 }
58 }
59 return false
60}
61
62var develClient = &http.Client{
63 Transport: &http.Transport{
64 TLSClientConfig: &tls.Config{
65 InsecureSkipVerify: true,
66 },
67 },
68}
69
70func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
71 return PostMsg(keyname, key, url, j.ToBytes())
72}
73
74func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
75 client := http.DefaultClient
76 if develMode {
77 client = develClient
78 }
79 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
80 if err != nil {
81 return err
82 }
83 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
84 req.Header.Set("Content-Type", theonetruename)
85 httpsig.SignRequest(keyname, key, req, msg)
86 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
87 defer cancel()
88 req = req.WithContext(ctx)
89 resp, err := client.Do(req)
90 if err != nil {
91 return err
92 }
93 resp.Body.Close()
94 switch resp.StatusCode {
95 case 200:
96 case 201:
97 case 202:
98 default:
99 return fmt.Errorf("http post status: %d", resp.StatusCode)
100 }
101 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
102 return nil
103}
104
105func GetJunk(userid int64, url string) (junk.Junk, error) {
106 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
107}
108
109func GetJunkFast(userid int64, url string) (junk.Junk, error) {
110 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
111}
112
113func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
114 j, err := GetJunk(userid, url)
115 if err != nil {
116 emsg := err.Error()
117 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
118 ilog.Printf("trying again after error: %s", emsg)
119 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
120 j, err = GetJunk(userid, url)
121 if err != nil {
122 ilog.Printf("still couldn't get it")
123 } else {
124 ilog.Printf("retry success!")
125 }
126 }
127 }
128 return j, err
129}
130
131var flightdeck = gate.NewSerializer()
132
133var signGets = true
134
135func junkGet(userid int64, url string, args junk.GetArgs) (junk.Junk, error) {
136 client := http.DefaultClient
137 if args.Client != nil {
138 client = args.Client
139 }
140 req, err := http.NewRequest("GET", url, nil)
141 if err != nil {
142 return nil, err
143 }
144 if args.Accept != "" {
145 req.Header.Set("Accept", args.Accept)
146 }
147 if args.Agent != "" {
148 req.Header.Set("User-Agent", args.Agent)
149 }
150 if signGets {
151 var ki *KeyInfo
152 ok := ziggies.Get(userid, &ki)
153 if ok {
154 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
155 }
156 }
157 if args.Timeout != 0 {
158 ctx, cancel := context.WithTimeout(context.Background(), args.Timeout)
159 defer cancel()
160 req = req.WithContext(ctx)
161 }
162 resp, err := client.Do(req)
163 if err != nil {
164 return nil, err
165 }
166 defer resp.Body.Close()
167
168 if resp.StatusCode != 200 {
169 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
170 }
171 return junk.Read(resp.Body)
172}
173
174func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
175 client := http.DefaultClient
176 if develMode {
177 client = develClient
178 }
179 fn := func() (interface{}, error) {
180 at := thefakename
181 if strings.Contains(url, ".well-known/webfinger?resource") {
182 at = "application/jrd+json"
183 }
184 j, err := junkGet(userid, url, junk.GetArgs{
185 Accept: at,
186 Agent: "honksnonk/5.0; " + serverName,
187 Timeout: timeout,
188 Client: client,
189 })
190 return j, err
191 }
192
193 ji, err := flightdeck.Call(url, fn)
194 if err != nil {
195 return nil, err
196 }
197 j := ji.(junk.Junk)
198 return j, nil
199}
200
201func fetchsome(url string) ([]byte, error) {
202 client := http.DefaultClient
203 if develMode {
204 client = develClient
205 }
206 req, err := http.NewRequest("GET", url, nil)
207 if err != nil {
208 ilog.Printf("error fetching %s: %s", url, err)
209 return nil, err
210 }
211 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
212 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
213 defer cancel()
214 req = req.WithContext(ctx)
215 resp, err := client.Do(req)
216 if err != nil {
217 ilog.Printf("error fetching %s: %s", url, err)
218 return nil, err
219 }
220 defer resp.Body.Close()
221 switch resp.StatusCode {
222 case 200:
223 case 201:
224 case 202:
225 default:
226 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
227 }
228 var buf bytes.Buffer
229 limiter := io.LimitReader(resp.Body, 10*1024*1024)
230 io.Copy(&buf, limiter)
231 return buf.Bytes(), nil
232}
233
234func savedonk(url string, name, desc, media string, localize bool) *Donk {
235 if url == "" {
236 return nil
237 }
238 if donk := finddonk(url); donk != nil {
239 return donk
240 }
241 ilog.Printf("saving donk: %s", url)
242 data := []byte{}
243 if localize {
244 fn := func() (interface{}, error) {
245 return fetchsome(url)
246 }
247 ii, err := flightdeck.Call(url, fn)
248 if err != nil {
249 ilog.Printf("error fetching donk: %s", err)
250 localize = false
251 goto saveit
252 }
253 data = ii.([]byte)
254
255 if len(data) == 10*1024*1024 {
256 ilog.Printf("truncation likely")
257 }
258 if strings.HasPrefix(media, "image") {
259 img, err := shrinkit(data)
260 if err != nil {
261 ilog.Printf("unable to decode image: %s", err)
262 localize = false
263 data = []byte{}
264 goto saveit
265 }
266 data = img.Data
267 media = "image/" + img.Format
268 } else if media == "application/pdf" {
269 if len(data) > 1000000 {
270 ilog.Printf("not saving large pdf")
271 localize = false
272 data = []byte{}
273 }
274 } else if len(data) > 100000 {
275 ilog.Printf("not saving large attachment")
276 localize = false
277 data = []byte{}
278 }
279 }
280saveit:
281 fileid, err := savefile(name, desc, url, media, localize, data)
282 if err != nil {
283 elog.Printf("error saving file %s: %s", url, err)
284 return nil
285 }
286 donk := new(Donk)
287 donk.FileID = fileid
288 return donk
289}
290
291func iszonked(userid int64, xid string) bool {
292 var id int64
293 row := stmtFindZonk.QueryRow(userid, xid)
294 err := row.Scan(&id)
295 if err == nil {
296 return true
297 }
298 if err != sql.ErrNoRows {
299 ilog.Printf("error querying zonk: %s", err)
300 }
301 return false
302}
303
304func needxonk(user *WhatAbout, x *Honk) bool {
305 if rejectxonk(x) {
306 return false
307 }
308 return needxonkid(user, x.XID)
309}
310func needbonkid(user *WhatAbout, xid string) bool {
311 return needxonkidX(user, xid, true)
312}
313func needxonkid(user *WhatAbout, xid string) bool {
314 return needxonkidX(user, xid, false)
315}
316func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
317 if !strings.HasPrefix(xid, "https://") {
318 return false
319 }
320 if strings.HasPrefix(xid, user.URL+"/") {
321 return false
322 }
323 if rejectorigin(user.ID, xid, isannounce) {
324 ilog.Printf("rejecting origin: %s", xid)
325 return false
326 }
327 if iszonked(user.ID, xid) {
328 ilog.Printf("already zonked: %s", xid)
329 return false
330 }
331 var id int64
332 row := stmtFindXonk.QueryRow(user.ID, xid)
333 err := row.Scan(&id)
334 if err == nil {
335 return false
336 }
337 if err != sql.ErrNoRows {
338 ilog.Printf("error querying xonk: %s", err)
339 }
340 return true
341}
342
343func eradicatexonk(userid int64, xid string) {
344 xonk := getxonk(userid, xid)
345 if xonk != nil {
346 deletehonk(xonk.ID)
347 }
348 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
349 if err != nil {
350 elog.Printf("error eradicating: %s", err)
351 }
352}
353
354func savexonk(x *Honk) {
355 ilog.Printf("saving xonk: %s", x.XID)
356 go handles(x.Honker)
357 go handles(x.Oonker)
358 savehonk(x)
359}
360
361type Box struct {
362 In string
363 Out string
364 Shared string
365}
366
367var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
368 var info string
369 row := stmtGetXonker.QueryRow(ident, "boxes")
370 err := row.Scan(&info)
371 if err != nil {
372 dlog.Printf("need to get boxes for %s", ident)
373 var j junk.Junk
374 j, err = GetJunk(serverUID, ident)
375 if err != nil {
376 dlog.Printf("error getting boxes: %s", err)
377 return nil, false
378 }
379 allinjest(originate(ident), j)
380 row = stmtGetXonker.QueryRow(ident, "boxes")
381 err = row.Scan(&info)
382 }
383 if err == nil {
384 m := strings.Split(info, " ")
385 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
386 return b, true
387 }
388 return nil, false
389}})
390
391func gimmexonks(user *WhatAbout, outbox string) {
392 dlog.Printf("getting outbox: %s", outbox)
393 j, err := GetJunk(user.ID, outbox)
394 if err != nil {
395 ilog.Printf("error getting outbox: %s", err)
396 return
397 }
398 t, _ := j.GetString("type")
399 origin := originate(outbox)
400 if t == "OrderedCollection" {
401 items, _ := j.GetArray("orderedItems")
402 if items == nil {
403 items, _ = j.GetArray("items")
404 }
405 if items == nil {
406 obj, ok := j.GetMap("first")
407 if ok {
408 items, _ = obj.GetArray("orderedItems")
409 } else {
410 page1, ok := j.GetString("first")
411 if ok {
412 j, err = GetJunk(user.ID, page1)
413 if err != nil {
414 ilog.Printf("error getting page1: %s", err)
415 return
416 }
417 items, _ = j.GetArray("orderedItems")
418 }
419 }
420 }
421 if len(items) > 20 {
422 items = items[0:20]
423 }
424 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
425 items[i], items[j] = items[j], items[i]
426 }
427 for _, item := range items {
428 obj, ok := item.(junk.Junk)
429 if ok {
430 xonksaver(user, obj, origin)
431 continue
432 }
433 xid, ok := item.(string)
434 if ok {
435 if !needxonkid(user, xid) {
436 continue
437 }
438 obj, err = GetJunk(user.ID, xid)
439 if err != nil {
440 ilog.Printf("error getting item: %s", err)
441 continue
442 }
443 xonksaver(user, obj, originate(xid))
444 }
445 }
446 }
447}
448
449func newphone(a []string, obj junk.Junk) []string {
450 for _, addr := range []string{"to", "cc", "attributedTo"} {
451 who, _ := obj.GetString(addr)
452 if who != "" {
453 a = append(a, who)
454 }
455 whos, _ := obj.GetArray(addr)
456 for _, w := range whos {
457 who, _ := w.(string)
458 if who != "" {
459 a = append(a, who)
460 }
461 }
462 }
463 return a
464}
465
466func extractattrto(obj junk.Junk) string {
467 who, _ := obj.GetString("attributedTo")
468 if who != "" {
469 return who
470 }
471 o, ok := obj.GetMap("attributedTo")
472 if ok {
473 id, ok := o.GetString("id")
474 if ok {
475 return id
476 }
477 }
478 arr, _ := obj.GetArray("attributedTo")
479 for _, a := range arr {
480 o, ok := a.(junk.Junk)
481 if ok {
482 t, _ := o.GetString("type")
483 id, _ := o.GetString("id")
484 if t == "Person" || t == "" {
485 return id
486 }
487 }
488 s, ok := a.(string)
489 if ok {
490 return s
491 }
492 }
493 return ""
494}
495
496func firstofmany(obj junk.Junk, key string) string {
497 if val, _ := obj.GetString(key); val != "" {
498 return val
499 }
500 if arr, _ := obj.GetArray(key); len(arr) > 0 {
501 val, ok := arr[0].(string)
502 if ok {
503 return val
504 }
505 }
506 return ""
507}
508
509func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
510 depth := 0
511 maxdepth := 10
512 currenttid := ""
513 goingup := 0
514 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
515
516 saveonemore := func(xid string) {
517 dlog.Printf("getting onemore: %s", xid)
518 if depth >= maxdepth {
519 ilog.Printf("in too deep")
520 return
521 }
522 obj, err := GetJunkHardMode(user.ID, xid)
523 if err != nil {
524 ilog.Printf("error getting onemore: %s: %s", xid, err)
525 return
526 }
527 depth++
528 xonkxonkfn(obj, originate(xid), false)
529 depth--
530 }
531
532 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
533 id, _ := item.GetString("id")
534 what := firstofmany(item, "type")
535 dt, ok := item.GetString("published")
536 if !ok {
537 dt = time.Now().Format(time.RFC3339)
538 }
539
540 var err error
541 var xid, rid, url, convoy string
542 var replies []string
543 var obj junk.Junk
544 switch what {
545 case "Delete":
546 obj, ok = item.GetMap("object")
547 if ok {
548 xid, _ = obj.GetString("id")
549 } else {
550 xid, _ = item.GetString("object")
551 }
552 if xid == "" {
553 return nil
554 }
555 if originate(xid) != origin {
556 ilog.Printf("forged delete: %s", xid)
557 return nil
558 }
559 ilog.Printf("eradicating %s", xid)
560 eradicatexonk(user.ID, xid)
561 return nil
562 case "Remove":
563 xid, _ = item.GetString("object")
564 targ, _ := obj.GetString("target")
565 ilog.Printf("remove %s from %s", obj, targ)
566 return nil
567 case "Tombstone":
568 xid, _ = item.GetString("id")
569 if xid == "" {
570 return nil
571 }
572 if originate(xid) != origin {
573 ilog.Printf("forged delete: %s", xid)
574 return nil
575 }
576 ilog.Printf("eradicating %s", xid)
577 eradicatexonk(user.ID, xid)
578 return nil
579 case "Announce":
580 obj, ok = item.GetMap("object")
581 if ok {
582 xid, _ = obj.GetString("id")
583 } else {
584 xid, _ = item.GetString("object")
585 }
586 if !needbonkid(user, xid) {
587 return nil
588 }
589 dlog.Printf("getting bonk: %s", xid)
590 obj, err = GetJunkHardMode(user.ID, xid)
591 if err != nil {
592 ilog.Printf("error getting bonk: %s: %s", xid, err)
593 }
594 origin = originate(xid)
595 what = "bonk"
596 case "Update":
597 isUpdate = true
598 fallthrough
599 case "Create":
600 obj, ok = item.GetMap("object")
601 if !ok {
602 xid, _ = item.GetString("object")
603 dlog.Printf("getting created honk: %s", xid)
604 if originate(xid) != origin {
605 ilog.Printf("out of bounds %s not from %s", xid, origin)
606 return nil
607 }
608 obj, err = GetJunkHardMode(user.ID, xid)
609 if err != nil {
610 ilog.Printf("error getting creation: %s", err)
611 }
612 }
613 if obj == nil {
614 ilog.Printf("no object for creation %s", id)
615 return nil
616 }
617 return xonkxonkfn(obj, origin, isUpdate)
618 case "Read":
619 xid, ok = item.GetString("object")
620 if ok {
621 if !needxonkid(user, xid) {
622 dlog.Printf("don't need read obj: %s", xid)
623 return nil
624 }
625 obj, err = GetJunkHardMode(user.ID, xid)
626 if err != nil {
627 ilog.Printf("error getting read: %s", err)
628 return nil
629 }
630 return xonkxonkfn(obj, originate(xid), false)
631 }
632 return nil
633 case "Add":
634 xid, ok = item.GetString("object")
635 if ok {
636 // check target...
637 if !needxonkid(user, xid) {
638 dlog.Printf("don't need added obj: %s", xid)
639 return nil
640 }
641 obj, err = GetJunkHardMode(user.ID, xid)
642 if err != nil {
643 ilog.Printf("error getting add: %s", err)
644 return nil
645 }
646 return xonkxonkfn(obj, originate(xid), false)
647 }
648 return nil
649 case "Move":
650 obj = item
651 what = "move"
652 case "GuessWord": // dealt with below
653 fallthrough
654 case "Audio":
655 fallthrough
656 case "Image":
657 fallthrough
658 case "Video":
659 fallthrough
660 case "Question":
661 fallthrough
662 case "Note":
663 fallthrough
664 case "Article":
665 fallthrough
666 case "Page":
667 obj = item
668 what = "honk"
669 case "Event":
670 obj = item
671 what = "event"
672 case "ChatMessage":
673 obj = item
674 what = "chonk"
675 default:
676 ilog.Printf("unknown activity: %s", what)
677 dumpactivity(item)
678 return nil
679 }
680
681 if obj != nil {
682 xid, _ = obj.GetString("id")
683 }
684
685 if xid == "" {
686 ilog.Printf("don't know what xid is")
687 item.Write(ilog.Writer())
688 return nil
689 }
690 if originate(xid) != origin {
691 ilog.Printf("original sin: %s not from %s", xid, origin)
692 item.Write(ilog.Writer())
693 return nil
694 }
695
696 var xonk Honk
697 // early init
698 xonk.XID = xid
699 xonk.UserID = user.ID
700 xonk.Honker, _ = item.GetString("actor")
701 if xonk.Honker == "" {
702 xonk.Honker, _ = item.GetString("attributedTo")
703 }
704 if obj != nil {
705 if xonk.Honker == "" {
706 xonk.Honker = extractattrto(obj)
707 }
708 xonk.Oonker = extractattrto(obj)
709 if xonk.Oonker == xonk.Honker {
710 xonk.Oonker = ""
711 }
712 xonk.Audience = newphone(nil, obj)
713 }
714 xonk.Audience = append(xonk.Audience, xonk.Honker)
715 xonk.Audience = oneofakind(xonk.Audience)
716 xonk.Public = loudandproud(xonk.Audience)
717
718 var mentions []Mention
719 if obj != nil {
720 ot, _ := obj.GetString("type")
721 url, _ = obj.GetString("url")
722 if dt2, ok := obj.GetString("published"); ok {
723 dt = dt2
724 }
725 content, _ := obj.GetString("content")
726 if !strings.HasPrefix(content, "<p>") {
727 content = "<p>" + content
728 }
729 precis, _ := obj.GetString("summary")
730 if name, ok := obj.GetString("name"); ok {
731 if precis != "" {
732 content = precis + "<p>" + content
733 }
734 precis = html.EscapeString(name)
735 }
736 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
737 precis = "unspecified horror"
738 }
739 rid, ok = obj.GetString("inReplyTo")
740 if !ok {
741 if robj, ok := obj.GetMap("inReplyTo"); ok {
742 rid, _ = robj.GetString("id")
743 }
744 }
745 convoy, _ = obj.GetString("context")
746 if convoy == "" {
747 convoy, _ = obj.GetString("conversation")
748 }
749 if ot == "Question" {
750 if what == "honk" {
751 what = "qonk"
752 }
753 content += "<ul>"
754 ans, _ := obj.GetArray("oneOf")
755 for _, ai := range ans {
756 a, ok := ai.(junk.Junk)
757 if !ok {
758 continue
759 }
760 as, _ := a.GetString("name")
761 content += "<li>" + as
762 }
763 ans, _ = obj.GetArray("anyOf")
764 for _, ai := range ans {
765 a, ok := ai.(junk.Junk)
766 if !ok {
767 continue
768 }
769 as, _ := a.GetString("name")
770 content += "<li>" + as
771 }
772 content += "</ul>"
773 }
774 if ot == "Move" {
775 targ, _ := obj.GetString("target")
776 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
777 }
778 if ot == "GuessWord" {
779 what = "wonk"
780 content, _ = obj.GetString("content")
781 xonk.Wonkles, _ = obj.GetString("wordlist")
782 go savewonkles(xonk.Wonkles)
783 }
784 if what == "honk" && rid != "" {
785 what = "tonk"
786 }
787 if len(content) > 90001 {
788 ilog.Printf("content too long. truncating")
789 content = content[:90001]
790 }
791
792 xonk.Noise = content
793 xonk.Precis = precis
794 if rejectxonk(&xonk) {
795 dlog.Printf("fast reject: %s", xid)
796 return nil
797 }
798
799 numatts := 0
800 procatt := func(att junk.Junk) {
801 at, _ := att.GetString("type")
802 mt, _ := att.GetString("mediaType")
803 u, ok := att.GetString("url")
804 if !ok {
805 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
806 u, ok = ua[0].(string)
807 if !ok {
808 if uu, ok := ua[0].(junk.Junk); ok {
809 u, _ = uu.GetString("href")
810 if mt == "" {
811 mt, _ = uu.GetString("mediaType")
812 }
813 }
814 }
815 } else if uu, ok := att.GetMap("url"); ok {
816 u, _ = uu.GetString("href")
817 if mt == "" {
818 mt, _ = uu.GetString("mediaType")
819 }
820 }
821 }
822 name, _ := att.GetString("name")
823 desc, _ := att.GetString("summary")
824 desc = html.UnescapeString(desc)
825 if desc == "" {
826 desc = name
827 }
828 localize := false
829 if numatts > 4 {
830 ilog.Printf("excessive attachment: %s", at)
831 } else if at == "Document" || at == "Image" {
832 mt = strings.ToLower(mt)
833 dlog.Printf("attachment: %s %s", mt, u)
834 if mt == "text/plain" || mt == "application/pdf" ||
835 strings.HasPrefix(mt, "image") {
836 localize = true
837 }
838 } else {
839 ilog.Printf("unknown attachment: %s", at)
840 }
841 if skipMedia(&xonk) {
842 localize = false
843 }
844 donk := savedonk(u, name, desc, mt, localize)
845 if donk != nil {
846 xonk.Donks = append(xonk.Donks, donk)
847 }
848 numatts++
849 }
850 atts, _ := obj.GetArray("attachment")
851 for _, atti := range atts {
852 att, ok := atti.(junk.Junk)
853 if !ok {
854 ilog.Printf("attachment that wasn't map?")
855 continue
856 }
857 procatt(att)
858 }
859 if att, ok := obj.GetMap("attachment"); ok {
860 procatt(att)
861 }
862 tags, _ := obj.GetArray("tag")
863 for _, tagi := range tags {
864 tag, ok := tagi.(junk.Junk)
865 if !ok {
866 continue
867 }
868 tt, _ := tag.GetString("type")
869 name, _ := tag.GetString("name")
870 desc, _ := tag.GetString("summary")
871 desc = html.UnescapeString(desc)
872 if desc == "" {
873 desc = name
874 }
875 if tt == "Emoji" {
876 icon, _ := tag.GetMap("icon")
877 mt, _ := icon.GetString("mediaType")
878 if mt == "" {
879 mt = "image/png"
880 }
881 u, _ := icon.GetString("url")
882 donk := savedonk(u, name, desc, mt, true)
883 if donk != nil {
884 xonk.Donks = append(xonk.Donks, donk)
885 }
886 }
887 if tt == "Hashtag" {
888 if name == "" || name == "#" {
889 // skip it
890 } else {
891 if name[0] != '#' {
892 name = "#" + name
893 }
894 xonk.Onts = append(xonk.Onts, name)
895 }
896 }
897 if tt == "Place" {
898 p := new(Place)
899 p.Name = name
900 p.Latitude, _ = tag.GetNumber("latitude")
901 p.Longitude, _ = tag.GetNumber("longitude")
902 p.Url, _ = tag.GetString("url")
903 xonk.Place = p
904 }
905 if tt == "Mention" {
906 var m Mention
907 m.Who, _ = tag.GetString("name")
908 m.Where, _ = tag.GetString("href")
909 mentions = append(mentions, m)
910 }
911 }
912 if starttime, ok := obj.GetString("startTime"); ok {
913 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
914 t := new(Time)
915 t.StartTime = start
916 endtime, _ := obj.GetString("endTime")
917 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
918 dura, _ := obj.GetString("duration")
919 if strings.HasPrefix(dura, "PT") {
920 dura = strings.ToLower(dura[2:])
921 d, _ := time.ParseDuration(dura)
922 t.Duration = Duration(d)
923 }
924 xonk.Time = t
925 }
926 }
927 if loca, ok := obj.GetMap("location"); ok {
928 if tt, _ := loca.GetString("type"); tt == "Place" {
929 p := new(Place)
930 p.Name, _ = loca.GetString("name")
931 p.Latitude, _ = loca.GetNumber("latitude")
932 p.Longitude, _ = loca.GetNumber("longitude")
933 p.Url, _ = loca.GetString("url")
934 xonk.Place = p
935 }
936 }
937
938 xonk.Onts = oneofakind(xonk.Onts)
939 replyobj, ok := obj.GetMap("replies")
940 if ok {
941 items, ok := replyobj.GetArray("items")
942 if !ok {
943 first, ok := replyobj.GetMap("first")
944 if ok {
945 items, _ = first.GetArray("items")
946 }
947 }
948 for _, repl := range items {
949 s, ok := repl.(string)
950 if ok {
951 replies = append(replies, s)
952 }
953 }
954 }
955
956 }
957
958 if currenttid == "" {
959 currenttid = convoy
960 }
961
962 // init xonk
963 xonk.What = what
964 xonk.RID = rid
965 xonk.Date, _ = time.Parse(time.RFC3339, dt)
966 xonk.URL = url
967 xonk.Format = "html"
968 xonk.Convoy = convoy
969 xonk.Mentions = mentions
970 for _, m := range mentions {
971 if m.Where == user.URL {
972 xonk.Whofore = 1
973 }
974 }
975 imaginate(&xonk)
976
977 if what == "chonk" {
978 ch := Chonk{
979 UserID: xonk.UserID,
980 XID: xid,
981 Who: xonk.Honker,
982 Target: xonk.Honker,
983 Date: xonk.Date,
984 Noise: xonk.Noise,
985 Format: xonk.Format,
986 Donks: xonk.Donks,
987 }
988 savechonk(&ch)
989 return nil
990 }
991
992 if isUpdate {
993 dlog.Printf("something has changed! %s", xonk.XID)
994 prev := getxonk(user.ID, xonk.XID)
995 if prev == nil {
996 ilog.Printf("didn't find old version for update: %s", xonk.XID)
997 isUpdate = false
998 } else {
999 xonk.ID = prev.ID
1000 updatehonk(&xonk)
1001 }
1002 }
1003 if !isUpdate && needxonk(user, &xonk) {
1004 if rid != "" && xonk.Public {
1005 if needxonkid(user, rid) {
1006 goingup++
1007 saveonemore(rid)
1008 goingup--
1009 }
1010 if convoy == "" {
1011 xx := getxonk(user.ID, rid)
1012 if xx != nil {
1013 convoy = xx.Convoy
1014 }
1015 }
1016 }
1017 if convoy == "" {
1018 convoy = currenttid
1019 }
1020 if convoy == "" {
1021 convoy = "data:,missing-" + xfiltrate()
1022 currenttid = convoy
1023 }
1024 xonk.Convoy = convoy
1025 savexonk(&xonk)
1026 }
1027 if goingup == 0 {
1028 for _, replid := range replies {
1029 if needxonkid(user, replid) {
1030 dlog.Printf("missing a reply: %s", replid)
1031 saveonemore(replid)
1032 }
1033 }
1034 }
1035 return &xonk
1036 }
1037
1038 return xonkxonkfn(item, origin, false)
1039}
1040
1041func dumpactivity(item junk.Junk) {
1042 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1043 if err != nil {
1044 elog.Printf("error opening inbox! %s", err)
1045 return
1046 }
1047 defer fd.Close()
1048 item.Write(fd)
1049 io.WriteString(fd, "\n")
1050}
1051
1052func rubadubdub(user *WhatAbout, req junk.Junk) {
1053 actor, _ := req.GetString("actor")
1054 j := junk.New()
1055 j["@context"] = itiswhatitis
1056 j["id"] = user.URL + "/dub/" + xfiltrate()
1057 j["type"] = "Accept"
1058 j["actor"] = user.URL
1059 j["to"] = actor
1060 j["published"] = time.Now().UTC().Format(time.RFC3339)
1061 j["object"] = req
1062
1063 deliverate(0, user.ID, actor, j.ToBytes(), true)
1064}
1065
1066func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1067 j := junk.New()
1068 j["@context"] = itiswhatitis
1069 j["id"] = user.URL + "/unsub/" + folxid
1070 j["type"] = "Undo"
1071 j["actor"] = user.URL
1072 j["to"] = owner
1073 f := junk.New()
1074 f["id"] = user.URL + "/sub/" + folxid
1075 f["type"] = "Follow"
1076 f["actor"] = user.URL
1077 f["to"] = owner
1078 f["object"] = xid
1079 j["object"] = f
1080 j["published"] = time.Now().UTC().Format(time.RFC3339)
1081
1082 deliverate(0, user.ID, owner, j.ToBytes(), true)
1083}
1084
1085func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1086 if xid == "" {
1087 ilog.Printf("can't subscribe to empty")
1088 return
1089 }
1090 j := junk.New()
1091 j["@context"] = itiswhatitis
1092 j["id"] = user.URL + "/sub/" + folxid
1093 j["type"] = "Follow"
1094 j["actor"] = user.URL
1095 j["to"] = owner
1096 j["object"] = xid
1097 j["published"] = time.Now().UTC().Format(time.RFC3339)
1098
1099 deliverate(0, user.ID, owner, j.ToBytes(), true)
1100}
1101
1102func activatedonks(donks []*Donk) []junk.Junk {
1103 var atts []junk.Junk
1104 for _, d := range donks {
1105 if re_emus.MatchString(d.Name) {
1106 continue
1107 }
1108 jd := junk.New()
1109 jd["mediaType"] = d.Media
1110 jd["name"] = d.Name
1111 jd["summary"] = html.EscapeString(d.Desc)
1112 jd["type"] = "Document"
1113 jd["url"] = d.URL
1114 atts = append(atts, jd)
1115 }
1116 return atts
1117}
1118
1119// returns activity, object
1120func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1121 dt := h.Date.Format(time.RFC3339)
1122 var jo junk.Junk
1123 j := junk.New()
1124 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1125 j["actor"] = user.URL
1126 j["published"] = dt
1127 j["to"] = h.Audience[0]
1128 if len(h.Audience) > 1 {
1129 j["cc"] = h.Audience[1:]
1130 }
1131
1132 switch h.What {
1133 case "update":
1134 fallthrough
1135 case "tonk":
1136 fallthrough
1137 case "event":
1138 fallthrough
1139 case "wonk":
1140 fallthrough
1141 case "honk":
1142 j["type"] = "Create"
1143 jo = junk.New()
1144 jo["id"] = h.XID
1145 jo["type"] = "Note"
1146 if h.What == "event" {
1147 jo["type"] = "Event"
1148 } else if h.What == "wonk" {
1149 jo["type"] = "GuessWord"
1150 }
1151 if h.What == "update" {
1152 j["type"] = "Update"
1153 jo["updated"] = dt
1154 }
1155 jo["published"] = dt
1156 jo["url"] = h.XID
1157 jo["attributedTo"] = user.URL
1158 if h.RID != "" {
1159 jo["inReplyTo"] = h.RID
1160 }
1161 if h.Convoy != "" {
1162 jo["context"] = h.Convoy
1163 jo["conversation"] = h.Convoy
1164 }
1165 jo["to"] = h.Audience[0]
1166 if len(h.Audience) > 1 {
1167 jo["cc"] = h.Audience[1:]
1168 }
1169 if !h.Public {
1170 jo["directMessage"] = true
1171 }
1172 translate(h)
1173 redoimages(h)
1174 if h.Precis != "" {
1175 jo["sensitive"] = true
1176 }
1177
1178 var replies []string
1179 for _, reply := range h.Replies {
1180 replies = append(replies, reply.XID)
1181 }
1182 if len(replies) > 0 {
1183 jr := junk.New()
1184 jr["type"] = "Collection"
1185 jr["totalItems"] = len(replies)
1186 jr["items"] = replies
1187 jo["replies"] = jr
1188 }
1189
1190 var tags []junk.Junk
1191 for _, m := range h.Mentions {
1192 t := junk.New()
1193 t["type"] = "Mention"
1194 t["name"] = m.Who
1195 t["href"] = m.Where
1196 tags = append(tags, t)
1197 }
1198 for _, o := range h.Onts {
1199 t := junk.New()
1200 t["type"] = "Hashtag"
1201 o = strings.ToLower(o)
1202 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1203 t["name"] = o
1204 tags = append(tags, t)
1205 }
1206 for _, e := range herdofemus(h.Noise) {
1207 t := junk.New()
1208 t["id"] = e.ID
1209 t["type"] = "Emoji"
1210 t["name"] = e.Name
1211 i := junk.New()
1212 i["type"] = "Image"
1213 i["mediaType"] = e.Type
1214 i["url"] = e.ID
1215 t["icon"] = i
1216 tags = append(tags, t)
1217 }
1218 for _, e := range fixupflags(h) {
1219 t := junk.New()
1220 t["id"] = e.ID
1221 t["type"] = "Emoji"
1222 t["name"] = e.Name
1223 i := junk.New()
1224 i["type"] = "Image"
1225 i["mediaType"] = "image/png"
1226 i["url"] = e.ID
1227 t["icon"] = i
1228 tags = append(tags, t)
1229 }
1230 if len(tags) > 0 {
1231 jo["tag"] = tags
1232 }
1233 if p := h.Place; p != nil {
1234 t := junk.New()
1235 t["type"] = "Place"
1236 if p.Name != "" {
1237 t["name"] = p.Name
1238 }
1239 if p.Latitude != 0 {
1240 t["latitude"] = p.Latitude
1241 }
1242 if p.Longitude != 0 {
1243 t["longitude"] = p.Longitude
1244 }
1245 if p.Url != "" {
1246 t["url"] = p.Url
1247 }
1248 jo["location"] = t
1249 }
1250 if t := h.Time; t != nil {
1251 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1252 if t.Duration != 0 {
1253 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1254 }
1255 }
1256 if w := h.Wonkles; w != "" {
1257 jo["wordlist"] = w
1258 }
1259 atts := activatedonks(h.Donks)
1260 if len(atts) > 0 {
1261 jo["attachment"] = atts
1262 }
1263 jo["summary"] = html.EscapeString(h.Precis)
1264 jo["content"] = h.Noise
1265 j["object"] = jo
1266 case "bonk":
1267 j["type"] = "Announce"
1268 if h.Convoy != "" {
1269 j["context"] = h.Convoy
1270 }
1271 j["object"] = h.XID
1272 case "unbonk":
1273 b := junk.New()
1274 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1275 b["type"] = "Announce"
1276 b["actor"] = user.URL
1277 if h.Convoy != "" {
1278 b["context"] = h.Convoy
1279 }
1280 b["object"] = h.XID
1281 j["type"] = "Undo"
1282 j["object"] = b
1283 case "zonk":
1284 j["type"] = "Delete"
1285 j["object"] = h.XID
1286 case "ack":
1287 j["type"] = "Read"
1288 j["object"] = h.XID
1289 if h.Convoy != "" {
1290 j["context"] = h.Convoy
1291 }
1292 case "react":
1293 j["type"] = "EmojiReact"
1294 j["object"] = h.XID
1295 if h.Convoy != "" {
1296 j["context"] = h.Convoy
1297 }
1298 j["content"] = h.Noise
1299 case "deack":
1300 b := junk.New()
1301 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1302 b["type"] = "Read"
1303 b["actor"] = user.URL
1304 b["object"] = h.XID
1305 if h.Convoy != "" {
1306 b["context"] = h.Convoy
1307 }
1308 j["type"] = "Undo"
1309 j["object"] = b
1310 }
1311
1312 return j, jo
1313}
1314
1315var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1316 row := stmtAnyXonk.QueryRow(xid)
1317 honk := scanhonk(row)
1318 if honk == nil || !honk.Public {
1319 return nil, true
1320 }
1321 user, _ := butwhatabout(honk.Username)
1322 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1323 reversehonks(rawhonks)
1324 for _, h := range rawhonks {
1325 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1326 honk.Replies = append(honk.Replies, h)
1327 }
1328 }
1329 donksforhonks([]*Honk{honk})
1330 _, j := jonkjonk(user, honk)
1331 if j == nil {
1332 elog.Fatalf("what just happened? %v", honk)
1333 }
1334 j["@context"] = itiswhatitis
1335
1336 return j.ToBytes(), true
1337}, Limit: 128})
1338
1339func gimmejonk(xid string) ([]byte, bool) {
1340 var j []byte
1341 ok := oldjonks.Get(xid, &j)
1342 return j, ok
1343}
1344
1345func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1346 rcpts := make(map[string]bool)
1347 for _, a := range addresses {
1348 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1349 continue
1350 }
1351 if a[0] == '%' {
1352 rcpts[a] = true
1353 continue
1354 }
1355 var box *Box
1356 ok := boxofboxes.Get(a, &box)
1357 if ok && useshared && box.Shared != "" {
1358 rcpts["%"+box.Shared] = true
1359 } else {
1360 rcpts[a] = true
1361 }
1362 }
1363 return rcpts
1364}
1365
1366func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1367 dt := ch.Date.Format(time.RFC3339)
1368 aud := []string{ch.Target}
1369
1370 jo := junk.New()
1371 jo["id"] = ch.XID
1372 jo["type"] = "ChatMessage"
1373 jo["published"] = dt
1374 jo["attributedTo"] = user.URL
1375 jo["to"] = aud
1376 jo["content"] = ch.HTML
1377 atts := activatedonks(ch.Donks)
1378 if len(atts) > 0 {
1379 jo["attachment"] = atts
1380 }
1381 var tags []junk.Junk
1382 for _, e := range herdofemus(ch.Noise) {
1383 t := junk.New()
1384 t["id"] = e.ID
1385 t["type"] = "Emoji"
1386 t["name"] = e.Name
1387 i := junk.New()
1388 i["type"] = "Image"
1389 i["mediaType"] = e.Type
1390 i["url"] = e.ID
1391 t["icon"] = i
1392 tags = append(tags, t)
1393 }
1394 if len(tags) > 0 {
1395 jo["tag"] = tags
1396 }
1397
1398 j := junk.New()
1399 j["@context"] = itiswhatitis
1400 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1401 j["type"] = "Create"
1402 j["actor"] = user.URL
1403 j["published"] = dt
1404 j["to"] = aud
1405 j["object"] = jo
1406
1407 return j.ToBytes()
1408}
1409
1410func sendchonk(user *WhatAbout, ch *Chonk) {
1411 msg := chonkifymsg(user, ch)
1412
1413 rcpts := make(map[string]bool)
1414 rcpts[ch.Target] = true
1415 for a := range rcpts {
1416 go deliverate(0, user.ID, a, msg, true)
1417 }
1418}
1419
1420func honkworldwide(user *WhatAbout, honk *Honk) {
1421 jonk, _ := jonkjonk(user, honk)
1422 jonk["@context"] = itiswhatitis
1423 msg := jonk.ToBytes()
1424
1425 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1426
1427 if honk.Public {
1428 for _, h := range getdubs(user.ID) {
1429 if h.XID == user.URL {
1430 continue
1431 }
1432 var box *Box
1433 ok := boxofboxes.Get(h.XID, &box)
1434 if ok && box.Shared != "" {
1435 rcpts["%"+box.Shared] = true
1436 } else {
1437 rcpts[h.XID] = true
1438 }
1439 }
1440 for _, f := range getbacktracks(honk.XID) {
1441 if f[0] == '%' {
1442 rcpts[f] = true
1443 } else {
1444 var box *Box
1445 ok := boxofboxes.Get(f, &box)
1446 if ok && box.Shared != "" {
1447 rcpts["%"+box.Shared] = true
1448 } else {
1449 rcpts[f] = true
1450 }
1451 }
1452 }
1453 }
1454 for a := range rcpts {
1455 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1456 }
1457 if honk.Public && len(honk.Onts) > 0 {
1458 collectiveaction(honk)
1459 }
1460}
1461
1462func doesitmatter(what string) bool {
1463 switch what {
1464 case "ack":
1465 return false
1466 case "react":
1467 return false
1468 case "deack":
1469 return false
1470 }
1471 return true
1472}
1473
1474func collectiveaction(honk *Honk) {
1475 user := getserveruser()
1476 for _, ont := range honk.Onts {
1477 dubs := getnameddubs(serverUID, ont)
1478 if len(dubs) == 0 {
1479 continue
1480 }
1481 j := junk.New()
1482 j["@context"] = itiswhatitis
1483 j["type"] = "Add"
1484 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1485 j["actor"] = user.URL
1486 j["object"] = honk.XID
1487 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1488 rcpts := make(map[string]bool)
1489 for _, dub := range dubs {
1490 var box *Box
1491 ok := boxofboxes.Get(dub.XID, &box)
1492 if ok && box.Shared != "" {
1493 rcpts["%"+box.Shared] = true
1494 } else {
1495 rcpts[dub.XID] = true
1496 }
1497 }
1498 msg := j.ToBytes()
1499 for a := range rcpts {
1500 go deliverate(0, user.ID, a, msg, false)
1501 }
1502 }
1503}
1504
1505func junkuser(user *WhatAbout) junk.Junk {
1506 j := junk.New()
1507 j["@context"] = itiswhatitis
1508 j["id"] = user.URL
1509 j["inbox"] = user.URL + "/inbox"
1510 j["outbox"] = user.URL + "/outbox"
1511 j["name"] = user.Display
1512 j["preferredUsername"] = user.Name
1513 j["summary"] = user.HTAbout
1514 var tags []junk.Junk
1515 for _, o := range user.Onts {
1516 t := junk.New()
1517 t["type"] = "Hashtag"
1518 o = strings.ToLower(o)
1519 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1520 t["name"] = o
1521 tags = append(tags, t)
1522 }
1523 if len(tags) > 0 {
1524 j["tag"] = tags
1525 }
1526
1527 if user.ID > 0 {
1528 j["type"] = "Person"
1529 j["url"] = user.URL
1530 j["followers"] = user.URL + "/followers"
1531 j["following"] = user.URL + "/following"
1532 a := junk.New()
1533 a["type"] = "Image"
1534 a["mediaType"] = "image/png"
1535 if ava := user.Options.Avatar; ava != "" {
1536 a["url"] = ava
1537 } else {
1538 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1539 if user.Options.Avahex {
1540 u += "&hex=1"
1541 }
1542 a["url"] = u
1543 }
1544 j["icon"] = a
1545 if ban := user.Options.Banner; ban != "" {
1546 a := junk.New()
1547 a["type"] = "Image"
1548 a["mediaType"] = "image/jpg"
1549 a["url"] = ban
1550 j["image"] = a
1551 }
1552 } else {
1553 j["type"] = "Service"
1554 }
1555 k := junk.New()
1556 k["id"] = user.URL + "#key"
1557 k["owner"] = user.URL
1558 k["publicKeyPem"] = user.Key
1559 j["publicKey"] = k
1560
1561 return j
1562}
1563
1564var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1565 user, err := butwhatabout(name)
1566 if err != nil {
1567 return nil, false
1568 }
1569 var buf bytes.Buffer
1570 j := junkuser(user)
1571 j.Write(&buf)
1572 return buf.Bytes(), true
1573}, Duration: 1 * time.Minute})
1574
1575func asjonker(name string) ([]byte, bool) {
1576 var j []byte
1577 ok := oldjonkers.Get(name, &j)
1578 return j, ok
1579}
1580
1581var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1582 m := strings.Split(name, "@")
1583 if len(m) != 2 {
1584 dlog.Printf("bad fish name: %s", name)
1585 return "", true
1586 }
1587 var href string
1588 row := stmtGetXonker.QueryRow(name, "fishname")
1589 err := row.Scan(&href)
1590 if err == nil {
1591 return href, true
1592 }
1593 dlog.Printf("fishing for %s", name)
1594 j, err := GetJunkFast(serverUID, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1595 if err != nil {
1596 ilog.Printf("failed to go fish %s: %s", name, err)
1597 return "", true
1598 }
1599 links, _ := j.GetArray("links")
1600 for _, li := range links {
1601 l, ok := li.(junk.Junk)
1602 if !ok {
1603 continue
1604 }
1605 href, _ := l.GetString("href")
1606 rel, _ := l.GetString("rel")
1607 t, _ := l.GetString("type")
1608 if rel == "self" && friendorfoe(t) {
1609 when := time.Now().UTC().Format(dbtimeformat)
1610 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1611 if err != nil {
1612 elog.Printf("error saving fishname: %s", err)
1613 }
1614 return href, true
1615 }
1616 }
1617 return href, true
1618}, Duration: 1 * time.Minute})
1619
1620func gofish(name string) string {
1621 if name[0] == '@' {
1622 name = name[1:]
1623 }
1624 var href string
1625 handfull.Get(name, &href)
1626 return href
1627}
1628
1629func investigate(name string) (*SomeThing, error) {
1630 if name == "" {
1631 return nil, fmt.Errorf("no name")
1632 }
1633 if name[0] == '@' {
1634 name = gofish(name)
1635 }
1636 if name == "" {
1637 return nil, fmt.Errorf("no name")
1638 }
1639 obj, err := GetJunkFast(serverUID, name)
1640 if err != nil {
1641 return nil, err
1642 }
1643 allinjest(originate(name), obj)
1644 return somethingabout(obj)
1645}
1646
1647func somethingabout(obj junk.Junk) (*SomeThing, error) {
1648 info := new(SomeThing)
1649 t, _ := obj.GetString("type")
1650 switch t {
1651 case "Person":
1652 fallthrough
1653 case "Organization":
1654 fallthrough
1655 case "Application":
1656 fallthrough
1657 case "Service":
1658 info.What = SomeActor
1659 case "OrderedCollection":
1660 fallthrough
1661 case "Collection":
1662 info.What = SomeCollection
1663 default:
1664 return nil, fmt.Errorf("unknown object type")
1665 }
1666 info.XID, _ = obj.GetString("id")
1667 info.Name, _ = obj.GetString("preferredUsername")
1668 if info.Name == "" {
1669 info.Name, _ = obj.GetString("name")
1670 }
1671 info.Owner, _ = obj.GetString("attributedTo")
1672 if info.Owner == "" {
1673 info.Owner = info.XID
1674 }
1675 return info, nil
1676}
1677
1678func allinjest(origin string, obj junk.Junk) {
1679 keyobj, ok := obj.GetMap("publicKey")
1680 if ok {
1681 ingestpubkey(origin, keyobj)
1682 }
1683 ingestboxes(origin, obj)
1684 ingesthandle(origin, obj)
1685}
1686
1687func ingestpubkey(origin string, obj junk.Junk) {
1688 keyobj, ok := obj.GetMap("publicKey")
1689 if ok {
1690 obj = keyobj
1691 }
1692 keyname, ok := obj.GetString("id")
1693 var data string
1694 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1695 err := row.Scan(&data)
1696 if err == nil {
1697 return
1698 }
1699 if !ok || origin != originate(keyname) {
1700 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1701 return
1702 }
1703 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1704 owner, ok := obj.GetString("owner")
1705 if !ok {
1706 ilog.Printf("error finding %s pubkey owner", keyname)
1707 return
1708 }
1709 data, ok = obj.GetString("publicKeyPem")
1710 if !ok {
1711 ilog.Printf("error finding %s pubkey", keyname)
1712 return
1713 }
1714 if originate(owner) != origin {
1715 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1716 return
1717 }
1718 _, _, err = httpsig.DecodeKey(data)
1719 if err != nil {
1720 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1721 return
1722 }
1723 when := time.Now().UTC().Format(dbtimeformat)
1724 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1725 if err != nil {
1726 elog.Printf("error saving key: %s", err)
1727 }
1728}
1729
1730func ingestboxes(origin string, obj junk.Junk) {
1731 ident, _ := obj.GetString("id")
1732 if ident == "" {
1733 return
1734 }
1735 if originate(ident) != origin {
1736 return
1737 }
1738 var info string
1739 row := stmtGetXonker.QueryRow(ident, "boxes")
1740 err := row.Scan(&info)
1741 if err == nil {
1742 return
1743 }
1744 dlog.Printf("ingesting boxes: %s", ident)
1745 inbox, _ := obj.GetString("inbox")
1746 outbox, _ := obj.GetString("outbox")
1747 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1748 if inbox != "" {
1749 when := time.Now().UTC().Format(dbtimeformat)
1750 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1751 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1752 if err != nil {
1753 elog.Printf("error saving boxes: %s", err)
1754 }
1755 }
1756}
1757
1758func ingesthandle(origin string, obj junk.Junk) {
1759 xid, _ := obj.GetString("id")
1760 if xid == "" {
1761 return
1762 }
1763 if originate(xid) != origin {
1764 return
1765 }
1766 var handle string
1767 row := stmtGetXonker.QueryRow(xid, "handle")
1768 err := row.Scan(&handle)
1769 if err == nil {
1770 return
1771 }
1772 handle, _ = obj.GetString("preferredUsername")
1773 if handle != "" {
1774 when := time.Now().UTC().Format(dbtimeformat)
1775 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1776 if err != nil {
1777 elog.Printf("error saving handle: %s", err)
1778 }
1779 }
1780}
1781
1782func updateMe(username string) {
1783 var user *WhatAbout
1784 somenamedusers.Get(username, &user)
1785 dt := time.Now().UTC().Format(time.RFC3339)
1786 j := junk.New()
1787 j["@context"] = itiswhatitis
1788 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1789 j["actor"] = user.URL
1790 j["published"] = dt
1791 j["to"] = thewholeworld
1792 j["type"] = "Update"
1793 j["object"] = junkuser(user)
1794
1795 msg := j.ToBytes()
1796
1797 rcpts := make(map[string]bool)
1798 for _, f := range getdubs(user.ID) {
1799 if f.XID == user.URL {
1800 continue
1801 }
1802 var box *Box
1803 boxofboxes.Get(f.XID, &box)
1804 if box != nil && box.Shared != "" {
1805 rcpts["%"+box.Shared] = true
1806 } else {
1807 rcpts[f.XID] = true
1808 }
1809 }
1810 for a := range rcpts {
1811 go deliverate(0, user.ID, a, msg, false)
1812 }
1813}
1814
1815func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1816 folxid, _ := j.GetString("id")
1817
1818 ilog.Printf("updating honker follow: %s %s", who, folxid)
1819
1820 var x string
1821 db := opendatabase()
1822 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1823 err := row.Scan(&x)
1824 if err != sql.ErrNoRows {
1825 ilog.Printf("duplicate follow request: %s", who)
1826 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1827 if err != nil {
1828 elog.Printf("error updating honker: %s", err)
1829 }
1830 } else {
1831 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1832 }
1833 go rubadubdub(user, j)
1834}
1835
1836func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1837 var folxid string
1838 if who == "" {
1839 folxid, _ = j.GetString("object")
1840
1841 db := opendatabase()
1842 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1843 err := row.Scan(&who, &name)
1844 if err != nil {
1845 if err != sql.ErrNoRows {
1846 elog.Printf("error scanning honker: %s", err)
1847 }
1848 return
1849 }
1850 }
1851
1852 ilog.Printf("updating honker undo: %s %s", who, folxid)
1853 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1854 if err != nil {
1855 elog.Printf("error updating honker: %s", err)
1856 return
1857 }
1858}
1859
1860func followyou(user *WhatAbout, honkerid int64) {
1861 var url, owner string
1862 db := opendatabase()
1863 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1864 honkerid, user.ID)
1865 err := row.Scan(&url, &owner)
1866 if err != nil {
1867 elog.Printf("can't get honker xid: %s", err)
1868 return
1869 }
1870 folxid := xfiltrate()
1871 ilog.Printf("subscribing to %s", url)
1872 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1873 if err != nil {
1874 elog.Printf("error updating honker: %s", err)
1875 return
1876 }
1877 go subsub(user, url, owner, folxid)
1878
1879}
1880func unfollowyou(user *WhatAbout, honkerid int64) {
1881 db := opendatabase()
1882 row := db.QueryRow("select xid, owner, folxid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1883 honkerid, user.ID)
1884 var url, owner, folxid string
1885 err := row.Scan(&url, &owner, &folxid)
1886 if err != nil {
1887 elog.Printf("can't get honker xid: %s", err)
1888 return
1889 }
1890 ilog.Printf("unsubscribing from %s", url)
1891 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1892 if err != nil {
1893 elog.Printf("error updating honker: %s", err)
1894 return
1895 }
1896 go itakeitallback(user, url, owner, folxid)
1897}
1898
1899func followyou2(user *WhatAbout, j junk.Junk) {
1900 who, _ := j.GetString("actor")
1901
1902 ilog.Printf("updating honker accept: %s", who)
1903 db := opendatabase()
1904 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub')",
1905 user.ID, who)
1906 var name, folxid string
1907 err := row.Scan(&name, &folxid)
1908 if err != nil {
1909 elog.Printf("can't get honker name: %s", err)
1910 return
1911 }
1912 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1913 if err != nil {
1914 elog.Printf("error updating honker: %s", err)
1915 return
1916 }
1917}
1918
1919func nofollowyou2(user *WhatAbout, j junk.Junk) {
1920 who, _ := j.GetString("actor")
1921
1922 ilog.Printf("updating honker reject: %s", who)
1923 db := opendatabase()
1924 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1925 user.ID, who)
1926 var name, folxid string
1927 err := row.Scan(&name, &folxid)
1928 if err != nil {
1929 elog.Printf("can't get honker name: %s", err)
1930 return
1931 }
1932 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
1933 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
1934 if err != nil {
1935 elog.Printf("error updating honker: %s", err)
1936 return
1937 }
1938}