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 "regexp"
31 "strings"
32 "time"
33
34 "humungus.tedunangst.com/r/webs/cache"
35 "humungus.tedunangst.com/r/webs/gate"
36 "humungus.tedunangst.com/r/webs/httpsig"
37 "humungus.tedunangst.com/r/webs/junk"
38 "humungus.tedunangst.com/r/webs/templates"
39)
40
41var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
42var thefakename = `application/activity+json`
43var falsenames = []string{
44 `application/ld+json`,
45 `application/activity+json`,
46}
47var itiswhatitis = "https://www.w3.org/ns/activitystreams"
48var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
49
50var fastTimeout time.Duration = 5
51var slowTimeout time.Duration = 30
52
53func friendorfoe(ct string) bool {
54 ct = strings.ToLower(ct)
55 for _, at := range falsenames {
56 if strings.HasPrefix(ct, at) {
57 return true
58 }
59 }
60 return false
61}
62
63var develClient = &http.Client{
64 Transport: &http.Transport{
65 TLSClientConfig: &tls.Config{
66 InsecureSkipVerify: true,
67 },
68 },
69}
70
71func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
72 return PostMsg(keyname, key, url, j.ToBytes())
73}
74
75func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
76 client := http.DefaultClient
77 if develMode {
78 client = develClient
79 }
80 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
81 if err != nil {
82 return err
83 }
84 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
85 req.Header.Set("Content-Type", theonetruename)
86 httpsig.SignRequest(keyname, key, req, msg)
87 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
88 defer cancel()
89 req = req.WithContext(ctx)
90 resp, err := client.Do(req)
91 if err != nil {
92 return err
93 }
94 resp.Body.Close()
95 switch resp.StatusCode {
96 case 200:
97 case 201:
98 case 202:
99 default:
100 return fmt.Errorf("http post status: %d", resp.StatusCode)
101 }
102 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
103 return nil
104}
105
106func GetJunk(userid int64, url string) (junk.Junk, error) {
107 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
108}
109
110func GetJunkFast(userid int64, url string) (junk.Junk, error) {
111 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
112}
113
114func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
115 j, err := GetJunk(userid, url)
116 if err != nil {
117 emsg := err.Error()
118 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
119 ilog.Printf("trying again after error: %s", emsg)
120 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
121 j, err = GetJunk(userid, url)
122 if err != nil {
123 ilog.Printf("still couldn't get it")
124 } else {
125 ilog.Printf("retry success!")
126 }
127 }
128 }
129 return j, err
130}
131
132var flightdeck = gate.NewSerializer()
133
134var signGets = true
135
136func junkGet(userid int64, url string, args junk.GetArgs) (junk.Junk, error) {
137 client := http.DefaultClient
138 if args.Client != nil {
139 client = args.Client
140 }
141 req, err := http.NewRequest("GET", url, nil)
142 if err != nil {
143 return nil, err
144 }
145 if args.Accept != "" {
146 req.Header.Set("Accept", args.Accept)
147 }
148 if args.Agent != "" {
149 req.Header.Set("User-Agent", args.Agent)
150 }
151 if signGets {
152 var ki *KeyInfo
153 ok := ziggies.Get(userid, &ki)
154 if ok {
155 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
156 }
157 }
158 if args.Timeout != 0 {
159 ctx, cancel := context.WithTimeout(context.Background(), args.Timeout)
160 defer cancel()
161 req = req.WithContext(ctx)
162 }
163 resp, err := client.Do(req)
164 if err != nil {
165 return nil, err
166 }
167 defer resp.Body.Close()
168
169 if resp.StatusCode != 200 {
170 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
171 }
172 return junk.Read(resp.Body)
173}
174
175func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
176 client := http.DefaultClient
177 if develMode {
178 client = develClient
179 }
180 fn := func() (interface{}, error) {
181 at := thefakename
182 if strings.Contains(url, ".well-known/webfinger?resource") {
183 at = "application/jrd+json"
184 }
185 j, err := junkGet(userid, url, junk.GetArgs{
186 Accept: at,
187 Agent: "honksnonk/5.0; " + serverName,
188 Timeout: timeout,
189 Client: client,
190 })
191 return j, err
192 }
193
194 ji, err := flightdeck.Call(url, fn)
195 if err != nil {
196 return nil, err
197 }
198 j := ji.(junk.Junk)
199 return j, nil
200}
201
202func fetchsome(url string) ([]byte, error) {
203 client := http.DefaultClient
204 if develMode {
205 client = develClient
206 }
207 req, err := http.NewRequest("GET", url, nil)
208 if err != nil {
209 ilog.Printf("error fetching %s: %s", url, err)
210 return nil, err
211 }
212 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
213 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
214 defer cancel()
215 req = req.WithContext(ctx)
216 resp, err := client.Do(req)
217 if err != nil {
218 ilog.Printf("error fetching %s: %s", url, err)
219 return nil, err
220 }
221 defer resp.Body.Close()
222 switch resp.StatusCode {
223 case 200:
224 case 201:
225 case 202:
226 default:
227 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
228 }
229 var buf bytes.Buffer
230 limiter := io.LimitReader(resp.Body, 10*1024*1024)
231 io.Copy(&buf, limiter)
232 return buf.Bytes(), nil
233}
234
235func savedonk(url string, name, desc, media string, localize bool) *Donk {
236 if url == "" {
237 return nil
238 }
239 if donk := finddonk(url); donk != nil {
240 return donk
241 }
242 ilog.Printf("saving donk: %s", url)
243 data := []byte{}
244 if localize {
245 fn := func() (interface{}, error) {
246 return fetchsome(url)
247 }
248 ii, err := flightdeck.Call(url, fn)
249 if err != nil {
250 ilog.Printf("error fetching donk: %s", err)
251 localize = false
252 goto saveit
253 }
254 data = ii.([]byte)
255
256 if len(data) == 10*1024*1024 {
257 ilog.Printf("truncation likely")
258 }
259 if strings.HasPrefix(media, "image") {
260 img, err := shrinkit(data)
261 if err != nil {
262 ilog.Printf("unable to decode image: %s", err)
263 localize = false
264 data = []byte{}
265 goto saveit
266 }
267 data = img.Data
268 media = "image/" + img.Format
269 } else if media == "application/pdf" {
270 if len(data) > 1000000 {
271 ilog.Printf("not saving large pdf")
272 localize = false
273 data = []byte{}
274 }
275 } else if len(data) > 100000 {
276 ilog.Printf("not saving large attachment")
277 localize = false
278 data = []byte{}
279 }
280 }
281saveit:
282 fileid, err := savefile(name, desc, url, media, localize, data)
283 if err != nil {
284 elog.Printf("error saving file %s: %s", url, err)
285 return nil
286 }
287 donk := new(Donk)
288 donk.FileID = fileid
289 return donk
290}
291
292func iszonked(userid int64, xid string) bool {
293 var id int64
294 row := stmtFindZonk.QueryRow(userid, xid)
295 err := row.Scan(&id)
296 if err == nil {
297 return true
298 }
299 if err != sql.ErrNoRows {
300 ilog.Printf("error querying zonk: %s", err)
301 }
302 return false
303}
304
305func needxonk(user *WhatAbout, x *Honk) bool {
306 if rejectxonk(x) {
307 return false
308 }
309 return needxonkid(user, x.XID)
310}
311func needbonkid(user *WhatAbout, xid string) bool {
312 return needxonkidX(user, xid, true)
313}
314func needxonkid(user *WhatAbout, xid string) bool {
315 return needxonkidX(user, xid, false)
316}
317func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
318 if !strings.HasPrefix(xid, "https://") {
319 return false
320 }
321 if strings.HasPrefix(xid, user.URL+"/") {
322 return false
323 }
324 if rejectorigin(user.ID, xid, isannounce) {
325 ilog.Printf("rejecting origin: %s", xid)
326 return false
327 }
328 if iszonked(user.ID, xid) {
329 ilog.Printf("already zonked: %s", xid)
330 return false
331 }
332 var id int64
333 row := stmtFindXonk.QueryRow(user.ID, xid)
334 err := row.Scan(&id)
335 if err == nil {
336 return false
337 }
338 if err != sql.ErrNoRows {
339 ilog.Printf("error querying xonk: %s", err)
340 }
341 return true
342}
343
344func eradicatexonk(userid int64, xid string) {
345 xonk := getxonk(userid, xid)
346 if xonk != nil {
347 deletehonk(xonk.ID)
348 }
349 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
350 if err != nil {
351 elog.Printf("error eradicating: %s", err)
352 }
353}
354
355func savexonk(x *Honk) {
356 ilog.Printf("saving xonk: %s", x.XID)
357 go handles(x.Honker)
358 go handles(x.Oonker)
359 savehonk(x)
360}
361
362type Box struct {
363 In string
364 Out string
365 Shared string
366}
367
368var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
369 var info string
370 row := stmtGetXonker.QueryRow(ident, "boxes")
371 err := row.Scan(&info)
372 if err != nil {
373 dlog.Printf("need to get boxes for %s", ident)
374 var j junk.Junk
375 j, err = GetJunk(readyLuserOne, ident)
376 if err != nil {
377 dlog.Printf("error getting boxes: %s", err)
378 return nil, false
379 }
380 allinjest(originate(ident), j)
381 row = stmtGetXonker.QueryRow(ident, "boxes")
382 err = row.Scan(&info)
383 }
384 if err == nil {
385 m := strings.Split(info, " ")
386 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
387 return b, true
388 }
389 return nil, false
390}})
391
392func gimmexonks(user *WhatAbout, outbox string) {
393 dlog.Printf("getting outbox: %s", outbox)
394 j, err := GetJunk(user.ID, outbox)
395 if err != nil {
396 ilog.Printf("error getting outbox: %s", err)
397 return
398 }
399 t, _ := j.GetString("type")
400 origin := originate(outbox)
401 if t == "OrderedCollection" {
402 items, _ := j.GetArray("orderedItems")
403 if items == nil {
404 items, _ = j.GetArray("items")
405 }
406 if items == nil {
407 obj, ok := j.GetMap("first")
408 if ok {
409 items, _ = obj.GetArray("orderedItems")
410 } else {
411 page1, ok := j.GetString("first")
412 if ok {
413 j, err = GetJunk(user.ID, page1)
414 if err != nil {
415 ilog.Printf("error getting page1: %s", err)
416 return
417 }
418 items, _ = j.GetArray("orderedItems")
419 }
420 }
421 }
422 if len(items) > 20 {
423 items = items[0:20]
424 }
425 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
426 items[i], items[j] = items[j], items[i]
427 }
428 for _, item := range items {
429 obj, ok := item.(junk.Junk)
430 if ok {
431 xonksaver(user, obj, origin)
432 continue
433 }
434 xid, ok := item.(string)
435 if ok {
436 if !needxonkid(user, xid) {
437 continue
438 }
439 obj, err = GetJunk(user.ID, xid)
440 if err != nil {
441 ilog.Printf("error getting item: %s", err)
442 continue
443 }
444 xonksaver(user, obj, originate(xid))
445 }
446 }
447 }
448}
449
450func newphone(a []string, obj junk.Junk) []string {
451 for _, addr := range []string{"to", "cc", "attributedTo"} {
452 who, _ := obj.GetString(addr)
453 if who != "" {
454 a = append(a, who)
455 }
456 whos, _ := obj.GetArray(addr)
457 for _, w := range whos {
458 who, _ := w.(string)
459 if who != "" {
460 a = append(a, who)
461 }
462 }
463 }
464 return a
465}
466
467func extractattrto(obj junk.Junk) string {
468 who, _ := obj.GetString("attributedTo")
469 if who != "" {
470 return who
471 }
472 o, ok := obj.GetMap("attributedTo")
473 if ok {
474 id, ok := o.GetString("id")
475 if ok {
476 return id
477 }
478 }
479 arr, _ := obj.GetArray("attributedTo")
480 for _, a := range arr {
481 o, ok := a.(junk.Junk)
482 if ok {
483 t, _ := o.GetString("type")
484 id, _ := o.GetString("id")
485 if t == "Person" || t == "" {
486 return id
487 }
488 }
489 s, ok := a.(string)
490 if ok {
491 return s
492 }
493 }
494 return ""
495}
496
497func firstofmany(obj junk.Junk, key string) string {
498 if val, _ := obj.GetString(key); val != "" {
499 return val
500 }
501 if arr, _ := obj.GetArray(key); len(arr) > 0 {
502 val, ok := arr[0].(string)
503 if ok {
504 return val
505 }
506 }
507 return ""
508}
509
510var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
511var re_masto1ink = regexp.MustCompile(`https://[[:alnum:].]+/@[[:alnum:]]+/[[:digit:]]+`)
512var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
513var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
514var re_romalink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
515var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
516
517func qutify(user *WhatAbout, content string) string {
518 // well this is gross
519 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
520 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
521 mlinks := re_qtlinks.FindAllString(malcontent, -1)
522 for _, m := range mlinks {
523 m = m[1 : len(m)-1]
524 dlog.Printf("consider qt: %s", m)
525 if re_mast0link.MatchString(m) ||
526 re_masto1ink.MatchString(m) ||
527 re_misslink.MatchString(m) ||
528 re_honklink.MatchString(m) ||
529 re_romalink.MatchString(m) {
530 j, err := GetJunk(user.ID, m)
531 dlog.Printf("fetched %s: %s", m, err)
532 if err == nil {
533 q, ok := j.GetString("content")
534 if ok {
535 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
536 }
537 }
538 }
539 }
540 return content
541}
542
543func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
544 depth := 0
545 maxdepth := 10
546 currenttid := ""
547 goingup := 0
548 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
549
550 saveonemore := func(xid string) {
551 dlog.Printf("getting onemore: %s", xid)
552 if depth >= maxdepth {
553 ilog.Printf("in too deep")
554 return
555 }
556 obj, err := GetJunkHardMode(user.ID, xid)
557 if err != nil {
558 ilog.Printf("error getting onemore: %s: %s", xid, err)
559 return
560 }
561 depth++
562 xonkxonkfn(obj, originate(xid), false)
563 depth--
564 }
565
566 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
567 id, _ := item.GetString("id")
568 what := firstofmany(item, "type")
569 dt, ok := item.GetString("published")
570 if !ok {
571 dt = time.Now().Format(time.RFC3339)
572 }
573
574 var err error
575 var xid, rid, url, convoy string
576 var replies []string
577 var obj junk.Junk
578 waspage := false
579 switch what {
580 case "Delete":
581 obj, ok = item.GetMap("object")
582 if ok {
583 xid, _ = obj.GetString("id")
584 } else {
585 xid, _ = item.GetString("object")
586 }
587 if xid == "" {
588 return nil
589 }
590 if originate(xid) != origin {
591 ilog.Printf("forged delete: %s", xid)
592 return nil
593 }
594 ilog.Printf("eradicating %s", xid)
595 eradicatexonk(user.ID, xid)
596 return nil
597 case "Remove":
598 xid, _ = item.GetString("object")
599 targ, _ := obj.GetString("target")
600 ilog.Printf("remove %s from %s", obj, targ)
601 return nil
602 case "Tombstone":
603 xid, _ = item.GetString("id")
604 if xid == "" {
605 return nil
606 }
607 if originate(xid) != origin {
608 ilog.Printf("forged delete: %s", xid)
609 return nil
610 }
611 ilog.Printf("eradicating %s", xid)
612 eradicatexonk(user.ID, xid)
613 return nil
614 case "Announce":
615 obj, ok = item.GetMap("object")
616 if ok {
617 xid, _ = obj.GetString("id")
618 } else {
619 xid, _ = item.GetString("object")
620 }
621 if !needbonkid(user, xid) {
622 return nil
623 }
624 dlog.Printf("getting bonk: %s", xid)
625 obj, err = GetJunkHardMode(user.ID, xid)
626 if err != nil {
627 ilog.Printf("error getting bonk: %s: %s", xid, err)
628 }
629 origin = originate(xid)
630 what = "bonk"
631 case "Update":
632 isUpdate = true
633 fallthrough
634 case "Create":
635 obj, ok = item.GetMap("object")
636 if !ok {
637 xid, _ = item.GetString("object")
638 dlog.Printf("getting created honk: %s", xid)
639 if originate(xid) != origin {
640 ilog.Printf("out of bounds %s not from %s", xid, origin)
641 return nil
642 }
643 obj, err = GetJunkHardMode(user.ID, xid)
644 if err != nil {
645 ilog.Printf("error getting creation: %s", err)
646 }
647 }
648 if obj == nil {
649 ilog.Printf("no object for creation %s", id)
650 return nil
651 }
652 return xonkxonkfn(obj, origin, isUpdate)
653 case "Read":
654 xid, ok = item.GetString("object")
655 if ok {
656 if !needxonkid(user, xid) {
657 dlog.Printf("don't need read obj: %s", xid)
658 return nil
659 }
660 obj, err = GetJunkHardMode(user.ID, xid)
661 if err != nil {
662 ilog.Printf("error getting read: %s", err)
663 return nil
664 }
665 return xonkxonkfn(obj, originate(xid), false)
666 }
667 return nil
668 case "Add":
669 xid, ok = item.GetString("object")
670 if ok {
671 // check target...
672 if !needxonkid(user, xid) {
673 dlog.Printf("don't need added obj: %s", xid)
674 return nil
675 }
676 obj, err = GetJunkHardMode(user.ID, xid)
677 if err != nil {
678 ilog.Printf("error getting add: %s", err)
679 return nil
680 }
681 return xonkxonkfn(obj, originate(xid), false)
682 }
683 return nil
684 case "Move":
685 obj = item
686 what = "move"
687 case "Page":
688 waspage = true
689 fallthrough
690 case "GuessWord": // dealt with below
691 fallthrough
692 case "Audio":
693 fallthrough
694 case "Image":
695 fallthrough
696 case "Video":
697 fallthrough
698 case "Question":
699 fallthrough
700 case "Note":
701 fallthrough
702 case "Article":
703 obj = item
704 what = "honk"
705 case "Event":
706 obj = item
707 what = "event"
708 case "ChatMessage":
709 obj = item
710 what = "chonk"
711 default:
712 ilog.Printf("unknown activity: %s", what)
713 dumpactivity(item)
714 return nil
715 }
716
717 if obj != nil {
718 xid, _ = obj.GetString("id")
719 }
720
721 if xid == "" {
722 ilog.Printf("don't know what xid is")
723 item.Write(ilog.Writer())
724 return nil
725 }
726 if originate(xid) != origin {
727 if !develMode && origin != "" {
728 ilog.Printf("original sin: %s not from %s", xid, origin)
729 item.Write(ilog.Writer())
730 return nil
731 }
732 }
733
734 var xonk Honk
735 // early init
736 xonk.XID = xid
737 xonk.UserID = user.ID
738 xonk.Honker, _ = item.GetString("actor")
739 if xonk.Honker == "" {
740 xonk.Honker, _ = item.GetString("attributedTo")
741 }
742 if obj != nil {
743 if xonk.Honker == "" {
744 xonk.Honker = extractattrto(obj)
745 }
746 xonk.Oonker = extractattrto(obj)
747 if xonk.Oonker == xonk.Honker {
748 xonk.Oonker = ""
749 }
750 xonk.Audience = newphone(nil, obj)
751 }
752 xonk.Audience = append(xonk.Audience, xonk.Honker)
753 xonk.Audience = oneofakind(xonk.Audience)
754 xonk.Public = loudandproud(xonk.Audience)
755
756 var mentions []Mention
757 if obj != nil {
758 ot, _ := obj.GetString("type")
759 url, _ = obj.GetString("url")
760 if dt2, ok := obj.GetString("published"); ok {
761 dt = dt2
762 }
763 content, _ := obj.GetString("content")
764 if !strings.HasPrefix(content, "<p>") {
765 content = "<p>" + content
766 }
767 precis, _ := obj.GetString("summary")
768 if name, ok := obj.GetString("name"); ok {
769 if precis != "" {
770 content = precis + "<p>" + content
771 }
772 precis = html.EscapeString(name)
773 }
774 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
775 precis = "unspecified horror"
776 }
777 if waspage {
778 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
779 url = xid
780 }
781 content = qutify(user, content)
782 rid, ok = obj.GetString("inReplyTo")
783 if !ok {
784 if robj, ok := obj.GetMap("inReplyTo"); ok {
785 rid, _ = robj.GetString("id")
786 }
787 }
788 convoy, _ = obj.GetString("context")
789 if convoy == "" {
790 convoy, _ = obj.GetString("conversation")
791 }
792 if ot == "Question" {
793 if what == "honk" {
794 what = "qonk"
795 }
796 content += "<ul>"
797 ans, _ := obj.GetArray("oneOf")
798 for _, ai := range ans {
799 a, ok := ai.(junk.Junk)
800 if !ok {
801 continue
802 }
803 as, _ := a.GetString("name")
804 content += "<li>" + as
805 }
806 ans, _ = obj.GetArray("anyOf")
807 for _, ai := range ans {
808 a, ok := ai.(junk.Junk)
809 if !ok {
810 continue
811 }
812 as, _ := a.GetString("name")
813 content += "<li>" + as
814 }
815 content += "</ul>"
816 }
817 if ot == "Move" {
818 targ, _ := obj.GetString("target")
819 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
820 }
821 if ot == "GuessWord" {
822 what = "wonk"
823 content, _ = obj.GetString("content")
824 xonk.Wonkles, _ = obj.GetString("wordlist")
825 go savewonkles(xonk.Wonkles)
826 }
827 if what == "honk" && rid != "" {
828 what = "tonk"
829 }
830 if len(content) > 90001 {
831 ilog.Printf("content too long. truncating")
832 content = content[:90001]
833 }
834
835 xonk.Noise = content
836 xonk.Precis = precis
837 if rejectxonk(&xonk) {
838 dlog.Printf("fast reject: %s", xid)
839 return nil
840 }
841
842 numatts := 0
843 procatt := func(att junk.Junk) {
844 at, _ := att.GetString("type")
845 mt, _ := att.GetString("mediaType")
846 u, ok := att.GetString("url")
847 if !ok {
848 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
849 u, ok = ua[0].(string)
850 if !ok {
851 if uu, ok := ua[0].(junk.Junk); ok {
852 u, _ = uu.GetString("href")
853 if mt == "" {
854 mt, _ = uu.GetString("mediaType")
855 }
856 }
857 }
858 } else if uu, ok := att.GetMap("url"); ok {
859 u, _ = uu.GetString("href")
860 if mt == "" {
861 mt, _ = uu.GetString("mediaType")
862 }
863 }
864 }
865 name, _ := att.GetString("name")
866 desc, _ := att.GetString("summary")
867 desc = html.UnescapeString(desc)
868 if desc == "" {
869 desc = name
870 }
871 localize := false
872 if numatts > 4 {
873 ilog.Printf("excessive attachment: %s", at)
874 } else if at == "Document" || at == "Image" {
875 mt = strings.ToLower(mt)
876 dlog.Printf("attachment: %s %s", mt, u)
877 if mt == "text/plain" || mt == "application/pdf" ||
878 strings.HasPrefix(mt, "image") {
879 localize = true
880 }
881 } else {
882 ilog.Printf("unknown attachment: %s", at)
883 }
884 if skipMedia(&xonk) {
885 localize = false
886 }
887 donk := savedonk(u, name, desc, mt, localize)
888 if donk != nil {
889 xonk.Donks = append(xonk.Donks, donk)
890 }
891 numatts++
892 }
893 atts, _ := obj.GetArray("attachment")
894 for _, atti := range atts {
895 att, ok := atti.(junk.Junk)
896 if !ok {
897 ilog.Printf("attachment that wasn't map?")
898 continue
899 }
900 procatt(att)
901 }
902 if att, ok := obj.GetMap("attachment"); ok {
903 procatt(att)
904 }
905 tags, _ := obj.GetArray("tag")
906 for _, tagi := range tags {
907 tag, ok := tagi.(junk.Junk)
908 if !ok {
909 continue
910 }
911 tt, _ := tag.GetString("type")
912 name, _ := tag.GetString("name")
913 desc, _ := tag.GetString("summary")
914 desc = html.UnescapeString(desc)
915 if desc == "" {
916 desc = name
917 }
918 if tt == "Emoji" {
919 icon, _ := tag.GetMap("icon")
920 mt, _ := icon.GetString("mediaType")
921 if mt == "" {
922 mt = "image/png"
923 }
924 u, _ := icon.GetString("url")
925 donk := savedonk(u, name, desc, mt, true)
926 if donk != nil {
927 xonk.Donks = append(xonk.Donks, donk)
928 }
929 }
930 if tt == "Hashtag" {
931 if name == "" || name == "#" {
932 // skip it
933 } else {
934 if name[0] != '#' {
935 name = "#" + name
936 }
937 xonk.Onts = append(xonk.Onts, name)
938 }
939 }
940 if tt == "Place" {
941 p := new(Place)
942 p.Name = name
943 p.Latitude, _ = tag.GetNumber("latitude")
944 p.Longitude, _ = tag.GetNumber("longitude")
945 p.Url, _ = tag.GetString("url")
946 xonk.Place = p
947 }
948 if tt == "Mention" {
949 var m Mention
950 m.Who, _ = tag.GetString("name")
951 m.Where, _ = tag.GetString("href")
952 mentions = append(mentions, m)
953 }
954 }
955 if starttime, ok := obj.GetString("startTime"); ok {
956 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
957 t := new(Time)
958 t.StartTime = start
959 endtime, _ := obj.GetString("endTime")
960 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
961 dura, _ := obj.GetString("duration")
962 if strings.HasPrefix(dura, "PT") {
963 dura = strings.ToLower(dura[2:])
964 d, _ := time.ParseDuration(dura)
965 t.Duration = Duration(d)
966 }
967 xonk.Time = t
968 }
969 }
970 if loca, ok := obj.GetMap("location"); ok {
971 if tt, _ := loca.GetString("type"); tt == "Place" {
972 p := new(Place)
973 p.Name, _ = loca.GetString("name")
974 p.Latitude, _ = loca.GetNumber("latitude")
975 p.Longitude, _ = loca.GetNumber("longitude")
976 p.Url, _ = loca.GetString("url")
977 xonk.Place = p
978 }
979 }
980
981 xonk.Onts = oneofakind(xonk.Onts)
982 replyobj, ok := obj.GetMap("replies")
983 if ok {
984 items, ok := replyobj.GetArray("items")
985 if !ok {
986 first, ok := replyobj.GetMap("first")
987 if ok {
988 items, _ = first.GetArray("items")
989 }
990 }
991 for _, repl := range items {
992 s, ok := repl.(string)
993 if ok {
994 replies = append(replies, s)
995 }
996 }
997 }
998
999 }
1000
1001 if currenttid == "" {
1002 currenttid = convoy
1003 }
1004
1005 // init xonk
1006 xonk.What = what
1007 xonk.RID = rid
1008 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1009 xonk.URL = url
1010 xonk.Format = "html"
1011 xonk.Convoy = convoy
1012 xonk.Mentions = mentions
1013 for _, m := range mentions {
1014 if m.Where == user.URL {
1015 xonk.Whofore = 1
1016 }
1017 }
1018 imaginate(&xonk)
1019
1020 if what == "chonk" {
1021 ch := Chonk{
1022 UserID: xonk.UserID,
1023 XID: xid,
1024 Who: xonk.Honker,
1025 Target: xonk.Honker,
1026 Date: xonk.Date,
1027 Noise: xonk.Noise,
1028 Format: xonk.Format,
1029 Donks: xonk.Donks,
1030 }
1031 savechonk(&ch)
1032 return nil
1033 }
1034
1035 if isUpdate {
1036 dlog.Printf("something has changed! %s", xonk.XID)
1037 prev := getxonk(user.ID, xonk.XID)
1038 if prev == nil {
1039 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1040 isUpdate = false
1041 } else {
1042 xonk.ID = prev.ID
1043 updatehonk(&xonk)
1044 }
1045 }
1046 if !isUpdate && needxonk(user, &xonk) {
1047 if rid != "" && xonk.Public {
1048 if needxonkid(user, rid) {
1049 goingup++
1050 saveonemore(rid)
1051 goingup--
1052 }
1053 if convoy == "" {
1054 xx := getxonk(user.ID, rid)
1055 if xx != nil {
1056 convoy = xx.Convoy
1057 }
1058 }
1059 }
1060 if convoy == "" {
1061 convoy = currenttid
1062 }
1063 if convoy == "" {
1064 convoy = "data:,missing-" + xfiltrate()
1065 currenttid = convoy
1066 }
1067 xonk.Convoy = convoy
1068 savexonk(&xonk)
1069 }
1070 if goingup == 0 {
1071 for _, replid := range replies {
1072 if needxonkid(user, replid) {
1073 dlog.Printf("missing a reply: %s", replid)
1074 saveonemore(replid)
1075 }
1076 }
1077 }
1078 return &xonk
1079 }
1080
1081 return xonkxonkfn(item, origin, false)
1082}
1083
1084func dumpactivity(item junk.Junk) {
1085 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1086 if err != nil {
1087 elog.Printf("error opening inbox! %s", err)
1088 return
1089 }
1090 defer fd.Close()
1091 item.Write(fd)
1092 io.WriteString(fd, "\n")
1093}
1094
1095func rubadubdub(user *WhatAbout, req junk.Junk) {
1096 actor, _ := req.GetString("actor")
1097 j := junk.New()
1098 j["@context"] = itiswhatitis
1099 j["id"] = user.URL + "/dub/" + xfiltrate()
1100 j["type"] = "Accept"
1101 j["actor"] = user.URL
1102 j["to"] = actor
1103 j["published"] = time.Now().UTC().Format(time.RFC3339)
1104 j["object"] = req
1105
1106 deliverate(0, user.ID, actor, j.ToBytes(), true)
1107}
1108
1109func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1110 j := junk.New()
1111 j["@context"] = itiswhatitis
1112 j["id"] = user.URL + "/unsub/" + folxid
1113 j["type"] = "Undo"
1114 j["actor"] = user.URL
1115 j["to"] = owner
1116 f := junk.New()
1117 f["id"] = user.URL + "/sub/" + folxid
1118 f["type"] = "Follow"
1119 f["actor"] = user.URL
1120 f["to"] = owner
1121 f["object"] = xid
1122 j["object"] = f
1123 j["published"] = time.Now().UTC().Format(time.RFC3339)
1124
1125 deliverate(0, user.ID, owner, j.ToBytes(), true)
1126}
1127
1128func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1129 if xid == "" {
1130 ilog.Printf("can't subscribe to empty")
1131 return
1132 }
1133 j := junk.New()
1134 j["@context"] = itiswhatitis
1135 j["id"] = user.URL + "/sub/" + folxid
1136 j["type"] = "Follow"
1137 j["actor"] = user.URL
1138 j["to"] = owner
1139 j["object"] = xid
1140 j["published"] = time.Now().UTC().Format(time.RFC3339)
1141
1142 deliverate(0, user.ID, owner, j.ToBytes(), true)
1143}
1144
1145func activatedonks(donks []*Donk) []junk.Junk {
1146 var atts []junk.Junk
1147 for _, d := range donks {
1148 if re_emus.MatchString(d.Name) {
1149 continue
1150 }
1151 jd := junk.New()
1152 jd["mediaType"] = d.Media
1153 jd["name"] = d.Name
1154 jd["summary"] = html.EscapeString(d.Desc)
1155 jd["type"] = "Document"
1156 jd["url"] = d.URL
1157 atts = append(atts, jd)
1158 }
1159 return atts
1160}
1161
1162// returns activity, object
1163func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1164 dt := h.Date.Format(time.RFC3339)
1165 var jo junk.Junk
1166 j := junk.New()
1167 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1168 j["actor"] = user.URL
1169 j["published"] = dt
1170 j["to"] = h.Audience[0]
1171 if len(h.Audience) > 1 {
1172 j["cc"] = h.Audience[1:]
1173 }
1174
1175 switch h.What {
1176 case "update":
1177 fallthrough
1178 case "tonk":
1179 fallthrough
1180 case "event":
1181 fallthrough
1182 case "wonk":
1183 fallthrough
1184 case "honk":
1185 j["type"] = "Create"
1186 jo = junk.New()
1187 jo["id"] = h.XID
1188 jo["type"] = "Note"
1189 if h.What == "event" {
1190 jo["type"] = "Event"
1191 } else if h.What == "wonk" {
1192 jo["type"] = "GuessWord"
1193 }
1194 if h.What == "update" {
1195 j["type"] = "Update"
1196 jo["updated"] = dt
1197 }
1198 jo["published"] = dt
1199 jo["url"] = h.XID
1200 jo["attributedTo"] = user.URL
1201 if h.RID != "" {
1202 jo["inReplyTo"] = h.RID
1203 }
1204 if h.Convoy != "" {
1205 jo["context"] = h.Convoy
1206 jo["conversation"] = h.Convoy
1207 }
1208 jo["to"] = h.Audience[0]
1209 if len(h.Audience) > 1 {
1210 jo["cc"] = h.Audience[1:]
1211 }
1212 if !h.Public {
1213 jo["directMessage"] = true
1214 }
1215 translate(h)
1216 redoimages(h)
1217 if h.Precis != "" {
1218 jo["sensitive"] = true
1219 }
1220
1221 var replies []string
1222 for _, reply := range h.Replies {
1223 replies = append(replies, reply.XID)
1224 }
1225 if len(replies) > 0 {
1226 jr := junk.New()
1227 jr["type"] = "Collection"
1228 jr["totalItems"] = len(replies)
1229 jr["items"] = replies
1230 jo["replies"] = jr
1231 }
1232
1233 var tags []junk.Junk
1234 for _, m := range h.Mentions {
1235 t := junk.New()
1236 t["type"] = "Mention"
1237 t["name"] = m.Who
1238 t["href"] = m.Where
1239 tags = append(tags, t)
1240 }
1241 for _, o := range h.Onts {
1242 t := junk.New()
1243 t["type"] = "Hashtag"
1244 o = strings.ToLower(o)
1245 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1246 t["name"] = o
1247 tags = append(tags, t)
1248 }
1249 for _, e := range herdofemus(h.Noise) {
1250 t := junk.New()
1251 t["id"] = e.ID
1252 t["type"] = "Emoji"
1253 t["name"] = e.Name
1254 i := junk.New()
1255 i["type"] = "Image"
1256 i["mediaType"] = e.Type
1257 i["url"] = e.ID
1258 t["icon"] = i
1259 tags = append(tags, t)
1260 }
1261 for _, e := range fixupflags(h) {
1262 t := junk.New()
1263 t["id"] = e.ID
1264 t["type"] = "Emoji"
1265 t["name"] = e.Name
1266 i := junk.New()
1267 i["type"] = "Image"
1268 i["mediaType"] = "image/png"
1269 i["url"] = e.ID
1270 t["icon"] = i
1271 tags = append(tags, t)
1272 }
1273 if len(tags) > 0 {
1274 jo["tag"] = tags
1275 }
1276 if p := h.Place; p != nil {
1277 t := junk.New()
1278 t["type"] = "Place"
1279 if p.Name != "" {
1280 t["name"] = p.Name
1281 }
1282 if p.Latitude != 0 {
1283 t["latitude"] = p.Latitude
1284 }
1285 if p.Longitude != 0 {
1286 t["longitude"] = p.Longitude
1287 }
1288 if p.Url != "" {
1289 t["url"] = p.Url
1290 }
1291 jo["location"] = t
1292 }
1293 if t := h.Time; t != nil {
1294 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1295 if t.Duration != 0 {
1296 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1297 }
1298 }
1299 if w := h.Wonkles; w != "" {
1300 jo["wordlist"] = w
1301 }
1302 atts := activatedonks(h.Donks)
1303 if len(atts) > 0 {
1304 jo["attachment"] = atts
1305 }
1306 jo["summary"] = html.EscapeString(h.Precis)
1307 jo["content"] = h.Noise
1308 j["object"] = jo
1309 case "bonk":
1310 j["type"] = "Announce"
1311 if h.Convoy != "" {
1312 j["context"] = h.Convoy
1313 }
1314 j["object"] = h.XID
1315 case "unbonk":
1316 b := junk.New()
1317 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1318 b["type"] = "Announce"
1319 b["actor"] = user.URL
1320 if h.Convoy != "" {
1321 b["context"] = h.Convoy
1322 }
1323 b["object"] = h.XID
1324 j["type"] = "Undo"
1325 j["object"] = b
1326 case "zonk":
1327 j["type"] = "Delete"
1328 j["object"] = h.XID
1329 case "ack":
1330 j["type"] = "Read"
1331 j["object"] = h.XID
1332 if h.Convoy != "" {
1333 j["context"] = h.Convoy
1334 }
1335 case "react":
1336 j["type"] = "EmojiReact"
1337 j["object"] = h.XID
1338 if h.Convoy != "" {
1339 j["context"] = h.Convoy
1340 }
1341 j["content"] = h.Noise
1342 case "deack":
1343 b := junk.New()
1344 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1345 b["type"] = "Read"
1346 b["actor"] = user.URL
1347 b["object"] = h.XID
1348 if h.Convoy != "" {
1349 b["context"] = h.Convoy
1350 }
1351 j["type"] = "Undo"
1352 j["object"] = b
1353 }
1354
1355 return j, jo
1356}
1357
1358var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1359 row := stmtAnyXonk.QueryRow(xid)
1360 honk := scanhonk(row)
1361 if honk == nil || !honk.Public {
1362 return nil, true
1363 }
1364 user, _ := butwhatabout(honk.Username)
1365 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1366 reversehonks(rawhonks)
1367 for _, h := range rawhonks {
1368 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1369 honk.Replies = append(honk.Replies, h)
1370 }
1371 }
1372 donksforhonks([]*Honk{honk})
1373 _, j := jonkjonk(user, honk)
1374 if j == nil {
1375 elog.Fatalf("what just happened? %v", honk)
1376 }
1377 j["@context"] = itiswhatitis
1378
1379 return j.ToBytes(), true
1380}, Limit: 128})
1381
1382func gimmejonk(xid string) ([]byte, bool) {
1383 var j []byte
1384 ok := oldjonks.Get(xid, &j)
1385 return j, ok
1386}
1387
1388func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1389 rcpts := make(map[string]bool)
1390 for _, a := range addresses {
1391 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1392 continue
1393 }
1394 if a[0] == '%' {
1395 rcpts[a] = true
1396 continue
1397 }
1398 var box *Box
1399 ok := boxofboxes.Get(a, &box)
1400 if ok && useshared && box.Shared != "" {
1401 rcpts["%"+box.Shared] = true
1402 } else {
1403 rcpts[a] = true
1404 }
1405 }
1406 return rcpts
1407}
1408
1409func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1410 dt := ch.Date.Format(time.RFC3339)
1411 aud := []string{ch.Target}
1412
1413 jo := junk.New()
1414 jo["id"] = ch.XID
1415 jo["type"] = "ChatMessage"
1416 jo["published"] = dt
1417 jo["attributedTo"] = user.URL
1418 jo["to"] = aud
1419 jo["content"] = ch.HTML
1420 atts := activatedonks(ch.Donks)
1421 if len(atts) > 0 {
1422 jo["attachment"] = atts
1423 }
1424 var tags []junk.Junk
1425 for _, e := range herdofemus(ch.Noise) {
1426 t := junk.New()
1427 t["id"] = e.ID
1428 t["type"] = "Emoji"
1429 t["name"] = e.Name
1430 i := junk.New()
1431 i["type"] = "Image"
1432 i["mediaType"] = e.Type
1433 i["url"] = e.ID
1434 t["icon"] = i
1435 tags = append(tags, t)
1436 }
1437 if len(tags) > 0 {
1438 jo["tag"] = tags
1439 }
1440
1441 j := junk.New()
1442 j["@context"] = itiswhatitis
1443 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1444 j["type"] = "Create"
1445 j["actor"] = user.URL
1446 j["published"] = dt
1447 j["to"] = aud
1448 j["object"] = jo
1449
1450 return j.ToBytes()
1451}
1452
1453func sendchonk(user *WhatAbout, ch *Chonk) {
1454 msg := chonkifymsg(user, ch)
1455
1456 rcpts := make(map[string]bool)
1457 rcpts[ch.Target] = true
1458 for a := range rcpts {
1459 go deliverate(0, user.ID, a, msg, true)
1460 }
1461}
1462
1463func honkworldwide(user *WhatAbout, honk *Honk) {
1464 jonk, _ := jonkjonk(user, honk)
1465 jonk["@context"] = itiswhatitis
1466 msg := jonk.ToBytes()
1467
1468 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1469
1470 if honk.Public {
1471 for _, h := range getdubs(user.ID) {
1472 if h.XID == user.URL {
1473 continue
1474 }
1475 var box *Box
1476 ok := boxofboxes.Get(h.XID, &box)
1477 if ok && box.Shared != "" {
1478 rcpts["%"+box.Shared] = true
1479 } else {
1480 rcpts[h.XID] = true
1481 }
1482 }
1483 for _, f := range getbacktracks(honk.XID) {
1484 if f[0] == '%' {
1485 rcpts[f] = true
1486 } else {
1487 var box *Box
1488 ok := boxofboxes.Get(f, &box)
1489 if ok && box.Shared != "" {
1490 rcpts["%"+box.Shared] = true
1491 } else {
1492 rcpts[f] = true
1493 }
1494 }
1495 }
1496 }
1497 for a := range rcpts {
1498 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1499 }
1500 if honk.Public && len(honk.Onts) > 0 {
1501 collectiveaction(honk)
1502 }
1503}
1504
1505func doesitmatter(what string) bool {
1506 switch what {
1507 case "ack":
1508 return false
1509 case "react":
1510 return false
1511 case "deack":
1512 return false
1513 }
1514 return true
1515}
1516
1517func collectiveaction(honk *Honk) {
1518 user := getserveruser()
1519 for _, ont := range honk.Onts {
1520 dubs := getnameddubs(readyLuserOne, ont)
1521 if len(dubs) == 0 {
1522 continue
1523 }
1524 j := junk.New()
1525 j["@context"] = itiswhatitis
1526 j["type"] = "Add"
1527 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1528 j["actor"] = user.URL
1529 j["object"] = honk.XID
1530 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1531 rcpts := make(map[string]bool)
1532 for _, dub := range dubs {
1533 var box *Box
1534 ok := boxofboxes.Get(dub.XID, &box)
1535 if ok && box.Shared != "" {
1536 rcpts["%"+box.Shared] = true
1537 } else {
1538 rcpts[dub.XID] = true
1539 }
1540 }
1541 msg := j.ToBytes()
1542 for a := range rcpts {
1543 go deliverate(0, user.ID, a, msg, false)
1544 }
1545 }
1546}
1547
1548func junkuser(user *WhatAbout) junk.Junk {
1549 j := junk.New()
1550 j["@context"] = itiswhatitis
1551 j["id"] = user.URL
1552 j["inbox"] = user.URL + "/inbox"
1553 j["outbox"] = user.URL + "/outbox"
1554 j["name"] = user.Display
1555 j["preferredUsername"] = user.Name
1556 j["summary"] = user.HTAbout
1557 var tags []junk.Junk
1558 for _, o := range user.Onts {
1559 t := junk.New()
1560 t["type"] = "Hashtag"
1561 o = strings.ToLower(o)
1562 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1563 t["name"] = o
1564 tags = append(tags, t)
1565 }
1566 if len(tags) > 0 {
1567 j["tag"] = tags
1568 }
1569
1570 if user.ID > 0 {
1571 j["type"] = "Person"
1572 j["url"] = user.URL
1573 j["followers"] = user.URL + "/followers"
1574 j["following"] = user.URL + "/following"
1575 a := junk.New()
1576 a["type"] = "Image"
1577 a["mediaType"] = "image/png"
1578 if ava := user.Options.Avatar; ava != "" {
1579 a["url"] = ava
1580 } else {
1581 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1582 a["url"] = u
1583 }
1584 j["icon"] = a
1585 if ban := user.Options.Banner; ban != "" {
1586 a := junk.New()
1587 a["type"] = "Image"
1588 a["mediaType"] = "image/jpg"
1589 a["url"] = ban
1590 j["image"] = a
1591 }
1592 } else {
1593 j["type"] = "Service"
1594 }
1595 k := junk.New()
1596 k["id"] = user.URL + "#key"
1597 k["owner"] = user.URL
1598 k["publicKeyPem"] = user.Key
1599 j["publicKey"] = k
1600
1601 return j
1602}
1603
1604var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1605 user, err := butwhatabout(name)
1606 if err != nil {
1607 return nil, false
1608 }
1609 var buf bytes.Buffer
1610 j := junkuser(user)
1611 j.Write(&buf)
1612 return buf.Bytes(), true
1613}, Duration: 1 * time.Minute})
1614
1615func asjonker(name string) ([]byte, bool) {
1616 var j []byte
1617 ok := oldjonkers.Get(name, &j)
1618 return j, ok
1619}
1620
1621var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1622 m := strings.Split(name, "@")
1623 if len(m) != 2 {
1624 dlog.Printf("bad fish name: %s", name)
1625 return "", true
1626 }
1627 var href string
1628 row := stmtGetXonker.QueryRow(name, "fishname")
1629 err := row.Scan(&href)
1630 if err == nil {
1631 return href, true
1632 }
1633 dlog.Printf("fishing for %s", name)
1634 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1635 if err != nil {
1636 ilog.Printf("failed to go fish %s: %s", name, err)
1637 return "", true
1638 }
1639 links, _ := j.GetArray("links")
1640 for _, li := range links {
1641 l, ok := li.(junk.Junk)
1642 if !ok {
1643 continue
1644 }
1645 href, _ := l.GetString("href")
1646 rel, _ := l.GetString("rel")
1647 t, _ := l.GetString("type")
1648 if rel == "self" && friendorfoe(t) {
1649 when := time.Now().UTC().Format(dbtimeformat)
1650 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1651 if err != nil {
1652 elog.Printf("error saving fishname: %s", err)
1653 }
1654 return href, true
1655 }
1656 }
1657 return href, true
1658}, Duration: 1 * time.Minute})
1659
1660func gofish(name string) string {
1661 if name[0] == '@' {
1662 name = name[1:]
1663 }
1664 var href string
1665 handfull.Get(name, &href)
1666 return href
1667}
1668
1669func investigate(name string) (*SomeThing, error) {
1670 if name == "" {
1671 return nil, fmt.Errorf("no name")
1672 }
1673 if name[0] == '@' {
1674 name = gofish(name)
1675 }
1676 if name == "" {
1677 return nil, fmt.Errorf("no name")
1678 }
1679 obj, err := GetJunkFast(readyLuserOne, name)
1680 if err != nil {
1681 return nil, err
1682 }
1683 allinjest(originate(name), obj)
1684 return somethingabout(obj)
1685}
1686
1687func somethingabout(obj junk.Junk) (*SomeThing, error) {
1688 info := new(SomeThing)
1689 t, _ := obj.GetString("type")
1690 switch t {
1691 case "Person":
1692 fallthrough
1693 case "Organization":
1694 fallthrough
1695 case "Application":
1696 fallthrough
1697 case "Service":
1698 info.What = SomeActor
1699 case "OrderedCollection":
1700 fallthrough
1701 case "Collection":
1702 info.What = SomeCollection
1703 default:
1704 return nil, fmt.Errorf("unknown object type")
1705 }
1706 info.XID, _ = obj.GetString("id")
1707 info.Name, _ = obj.GetString("preferredUsername")
1708 if info.Name == "" {
1709 info.Name, _ = obj.GetString("name")
1710 }
1711 info.Owner, _ = obj.GetString("attributedTo")
1712 if info.Owner == "" {
1713 info.Owner = info.XID
1714 }
1715 return info, nil
1716}
1717
1718func allinjest(origin string, obj junk.Junk) {
1719 keyobj, ok := obj.GetMap("publicKey")
1720 if ok {
1721 ingestpubkey(origin, keyobj)
1722 }
1723 ingestboxes(origin, obj)
1724 ingesthandle(origin, obj)
1725}
1726
1727func ingestpubkey(origin string, obj junk.Junk) {
1728 keyobj, ok := obj.GetMap("publicKey")
1729 if ok {
1730 obj = keyobj
1731 }
1732 keyname, ok := obj.GetString("id")
1733 var data string
1734 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1735 err := row.Scan(&data)
1736 if err == nil {
1737 return
1738 }
1739 if !ok || origin != originate(keyname) {
1740 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1741 return
1742 }
1743 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1744 owner, ok := obj.GetString("owner")
1745 if !ok {
1746 ilog.Printf("error finding %s pubkey owner", keyname)
1747 return
1748 }
1749 data, ok = obj.GetString("publicKeyPem")
1750 if !ok {
1751 ilog.Printf("error finding %s pubkey", keyname)
1752 return
1753 }
1754 if originate(owner) != origin {
1755 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1756 return
1757 }
1758 _, _, err = httpsig.DecodeKey(data)
1759 if err != nil {
1760 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1761 return
1762 }
1763 when := time.Now().UTC().Format(dbtimeformat)
1764 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1765 if err != nil {
1766 elog.Printf("error saving key: %s", err)
1767 }
1768}
1769
1770func ingestboxes(origin string, obj junk.Junk) {
1771 ident, _ := obj.GetString("id")
1772 if ident == "" {
1773 return
1774 }
1775 if originate(ident) != origin {
1776 return
1777 }
1778 var info string
1779 row := stmtGetXonker.QueryRow(ident, "boxes")
1780 err := row.Scan(&info)
1781 if err == nil {
1782 return
1783 }
1784 dlog.Printf("ingesting boxes: %s", ident)
1785 inbox, _ := obj.GetString("inbox")
1786 outbox, _ := obj.GetString("outbox")
1787 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1788 if inbox != "" {
1789 when := time.Now().UTC().Format(dbtimeformat)
1790 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1791 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1792 if err != nil {
1793 elog.Printf("error saving boxes: %s", err)
1794 }
1795 }
1796}
1797
1798func ingesthandle(origin string, obj junk.Junk) {
1799 xid, _ := obj.GetString("id")
1800 if xid == "" {
1801 return
1802 }
1803 if originate(xid) != origin {
1804 return
1805 }
1806 var handle string
1807 row := stmtGetXonker.QueryRow(xid, "handle")
1808 err := row.Scan(&handle)
1809 if err == nil {
1810 return
1811 }
1812 handle, _ = obj.GetString("preferredUsername")
1813 if handle != "" {
1814 when := time.Now().UTC().Format(dbtimeformat)
1815 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1816 if err != nil {
1817 elog.Printf("error saving handle: %s", err)
1818 }
1819 }
1820}
1821
1822func updateMe(username string) {
1823 var user *WhatAbout
1824 somenamedusers.Get(username, &user)
1825 dt := time.Now().UTC().Format(time.RFC3339)
1826 j := junk.New()
1827 j["@context"] = itiswhatitis
1828 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1829 j["actor"] = user.URL
1830 j["published"] = dt
1831 j["to"] = thewholeworld
1832 j["type"] = "Update"
1833 j["object"] = junkuser(user)
1834
1835 msg := j.ToBytes()
1836
1837 rcpts := make(map[string]bool)
1838 for _, f := range getdubs(user.ID) {
1839 if f.XID == user.URL {
1840 continue
1841 }
1842 var box *Box
1843 boxofboxes.Get(f.XID, &box)
1844 if box != nil && box.Shared != "" {
1845 rcpts["%"+box.Shared] = true
1846 } else {
1847 rcpts[f.XID] = true
1848 }
1849 }
1850 for a := range rcpts {
1851 go deliverate(0, user.ID, a, msg, false)
1852 }
1853}
1854
1855func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1856 folxid, _ := j.GetString("id")
1857
1858 ilog.Printf("updating honker follow: %s %s", who, folxid)
1859
1860 var x string
1861 db := opendatabase()
1862 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1863 err := row.Scan(&x)
1864 if err != sql.ErrNoRows {
1865 ilog.Printf("duplicate follow request: %s", who)
1866 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1867 if err != nil {
1868 elog.Printf("error updating honker: %s", err)
1869 }
1870 } else {
1871 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1872 }
1873 go rubadubdub(user, j)
1874}
1875
1876func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1877 var folxid string
1878 if who == "" {
1879 folxid, _ = j.GetString("object")
1880
1881 db := opendatabase()
1882 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1883 err := row.Scan(&who, &name)
1884 if err != nil {
1885 if err != sql.ErrNoRows {
1886 elog.Printf("error scanning honker: %s", err)
1887 }
1888 return
1889 }
1890 }
1891
1892 ilog.Printf("updating honker undo: %s %s", who, folxid)
1893 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1894 if err != nil {
1895 elog.Printf("error updating honker: %s", err)
1896 return
1897 }
1898}
1899
1900func followyou(user *WhatAbout, honkerid int64) {
1901 var url, owner string
1902 db := opendatabase()
1903 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1904 honkerid, user.ID)
1905 err := row.Scan(&url, &owner)
1906 if err != nil {
1907 elog.Printf("can't get honker xid: %s", err)
1908 return
1909 }
1910 folxid := xfiltrate()
1911 ilog.Printf("subscribing to %s", url)
1912 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1913 if err != nil {
1914 elog.Printf("error updating honker: %s", err)
1915 return
1916 }
1917 go subsub(user, url, owner, folxid)
1918
1919}
1920func unfollowyou(user *WhatAbout, honkerid int64) {
1921 db := opendatabase()
1922 row := db.QueryRow("select xid, owner, folxid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1923 honkerid, user.ID)
1924 var url, owner, folxid string
1925 err := row.Scan(&url, &owner, &folxid)
1926 if err != nil {
1927 elog.Printf("can't get honker xid: %s", err)
1928 return
1929 }
1930 ilog.Printf("unsubscribing from %s", url)
1931 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1932 if err != nil {
1933 elog.Printf("error updating honker: %s", err)
1934 return
1935 }
1936 go itakeitallback(user, url, owner, folxid)
1937}
1938
1939func followyou2(user *WhatAbout, j junk.Junk) {
1940 who, _ := j.GetString("actor")
1941
1942 ilog.Printf("updating honker accept: %s", who)
1943 db := opendatabase()
1944 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub')",
1945 user.ID, who)
1946 var name, folxid string
1947 err := row.Scan(&name, &folxid)
1948 if err != nil {
1949 elog.Printf("can't get honker name: %s", err)
1950 return
1951 }
1952 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1953 if err != nil {
1954 elog.Printf("error updating honker: %s", err)
1955 return
1956 }
1957}
1958
1959func nofollowyou2(user *WhatAbout, j junk.Junk) {
1960 who, _ := j.GetString("actor")
1961
1962 ilog.Printf("updating honker reject: %s", who)
1963 db := opendatabase()
1964 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1965 user.ID, who)
1966 var name, folxid string
1967 err := row.Scan(&name, &folxid)
1968 if err != nil {
1969 elog.Printf("can't get honker name: %s", err)
1970 return
1971 }
1972 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
1973 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
1974 if err != nil {
1975 elog.Printf("error updating honker: %s", err)
1976 return
1977 }
1978}