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_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
515var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
516var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
517
518func qutify(user *WhatAbout, content string) string {
519 // well this is gross
520 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
521 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
522 mlinks := re_qtlinks.FindAllString(malcontent, -1)
523 for _, m := range mlinks {
524 m = m[1 : len(m)-1]
525 if re_mast0link.MatchString(m) || re_masto1ink.MatchString(m) ||
526 re_misslink.MatchString(m) ||
527 re_honklink.MatchString(m) ||
528 re_r0malink.MatchString(m) || re_roma1ink.MatchString(m) {
529 j, err := GetJunk(user.ID, m)
530 if err == nil {
531 q, ok := j.GetString("content")
532 if ok {
533 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
534 }
535 }
536 }
537 }
538 return content
539}
540
541func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
542 depth := 0
543 maxdepth := 10
544 currenttid := ""
545 goingup := 0
546 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
547
548 saveonemore := func(xid string) {
549 dlog.Printf("getting onemore: %s", xid)
550 if depth >= maxdepth {
551 ilog.Printf("in too deep")
552 return
553 }
554 obj, err := GetJunkHardMode(user.ID, xid)
555 if err != nil {
556 ilog.Printf("error getting onemore: %s: %s", xid, err)
557 return
558 }
559 depth++
560 xonkxonkfn(obj, originate(xid), false)
561 depth--
562 }
563
564 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
565 id, _ := item.GetString("id")
566 what := firstofmany(item, "type")
567 dt, ok := item.GetString("published")
568 if !ok {
569 dt = time.Now().Format(time.RFC3339)
570 }
571
572 var err error
573 var xid, rid, url, convoy string
574 var replies []string
575 var obj junk.Junk
576 waspage := false
577 preferorig := false
578 switch what {
579 case "Delete":
580 obj, ok = item.GetMap("object")
581 if ok {
582 xid, _ = obj.GetString("id")
583 } else {
584 xid, _ = item.GetString("object")
585 }
586 if xid == "" {
587 return nil
588 }
589 if originate(xid) != origin {
590 ilog.Printf("forged delete: %s", xid)
591 return nil
592 }
593 ilog.Printf("eradicating %s", xid)
594 eradicatexonk(user.ID, xid)
595 return nil
596 case "Remove":
597 xid, _ = item.GetString("object")
598 targ, _ := obj.GetString("target")
599 ilog.Printf("remove %s from %s", obj, targ)
600 return nil
601 case "Tombstone":
602 xid, _ = item.GetString("id")
603 if xid == "" {
604 return nil
605 }
606 if originate(xid) != origin {
607 ilog.Printf("forged delete: %s", xid)
608 return nil
609 }
610 ilog.Printf("eradicating %s", xid)
611 eradicatexonk(user.ID, xid)
612 return nil
613 case "Announce":
614 obj, ok = item.GetMap("object")
615 if ok {
616 xid, _ = obj.GetString("id")
617 } else {
618 xid, _ = item.GetString("object")
619 }
620 if !needbonkid(user, xid) {
621 return nil
622 }
623 dlog.Printf("getting bonk: %s", xid)
624 obj, err = GetJunkHardMode(user.ID, xid)
625 if err != nil {
626 ilog.Printf("error getting bonk: %s: %s", xid, err)
627 }
628 origin = originate(xid)
629 what = "bonk"
630 case "Update":
631 isUpdate = true
632 fallthrough
633 case "Create":
634 obj, ok = item.GetMap("object")
635 if !ok {
636 xid, _ = item.GetString("object")
637 dlog.Printf("getting created honk: %s", xid)
638 if originate(xid) != origin {
639 ilog.Printf("out of bounds %s not from %s", xid, origin)
640 return nil
641 }
642 obj, err = GetJunkHardMode(user.ID, xid)
643 if err != nil {
644 ilog.Printf("error getting creation: %s", err)
645 }
646 }
647 if obj == nil {
648 ilog.Printf("no object for creation %s", id)
649 return nil
650 }
651 return xonkxonkfn(obj, origin, isUpdate)
652 case "Read":
653 xid, ok = item.GetString("object")
654 if ok {
655 if !needxonkid(user, xid) {
656 dlog.Printf("don't need read obj: %s", xid)
657 return nil
658 }
659 obj, err = GetJunkHardMode(user.ID, xid)
660 if err != nil {
661 ilog.Printf("error getting read: %s", err)
662 return nil
663 }
664 return xonkxonkfn(obj, originate(xid), false)
665 }
666 return nil
667 case "Add":
668 xid, ok = item.GetString("object")
669 if ok {
670 // check target...
671 if !needxonkid(user, xid) {
672 dlog.Printf("don't need added obj: %s", xid)
673 return nil
674 }
675 obj, err = GetJunkHardMode(user.ID, xid)
676 if err != nil {
677 ilog.Printf("error getting add: %s", err)
678 return nil
679 }
680 return xonkxonkfn(obj, originate(xid), false)
681 }
682 return nil
683 case "Move":
684 obj = item
685 what = "move"
686 case "Page":
687 waspage = true
688 fallthrough
689 case "Audio":
690 fallthrough
691 case "Image":
692 preferorig = true
693 fallthrough
694 case "Video":
695 fallthrough
696 case "Question":
697 fallthrough
698 case "Note":
699 fallthrough
700 case "Article":
701 obj = item
702 what = "honk"
703 case "Event":
704 obj = item
705 what = "event"
706 case "ChatMessage":
707 obj = item
708 what = "chonk"
709 default:
710 ilog.Printf("unknown activity: %s", what)
711 dumpactivity(item)
712 return nil
713 }
714
715 if obj != nil {
716 xid, _ = obj.GetString("id")
717 }
718
719 if xid == "" {
720 ilog.Printf("don't know what xid is")
721 item.Write(ilog.Writer())
722 return nil
723 }
724 if originate(xid) != origin {
725 if !develMode && origin != "" {
726 ilog.Printf("original sin: %s not from %s", xid, origin)
727 item.Write(ilog.Writer())
728 return nil
729 }
730 }
731
732 var xonk Honk
733 // early init
734 xonk.XID = xid
735 xonk.UserID = user.ID
736 xonk.Honker, _ = item.GetString("actor")
737 if xonk.Honker == "" {
738 xonk.Honker, _ = item.GetString("attributedTo")
739 }
740 if obj != nil {
741 if xonk.Honker == "" {
742 xonk.Honker = extractattrto(obj)
743 }
744 xonk.Oonker = extractattrto(obj)
745 if xonk.Oonker == xonk.Honker {
746 xonk.Oonker = ""
747 }
748 xonk.Audience = newphone(nil, obj)
749 }
750 xonk.Audience = append(xonk.Audience, xonk.Honker)
751 xonk.Audience = oneofakind(xonk.Audience)
752 xonk.Public = loudandproud(xonk.Audience)
753
754 var mentions []Mention
755 if obj != nil {
756 ot, _ := obj.GetString("type")
757 url, _ = obj.GetString("url")
758 if dt2, ok := obj.GetString("published"); ok {
759 dt = dt2
760 }
761 content, _ := obj.GetString("content")
762 if !strings.HasPrefix(content, "<p>") {
763 content = "<p>" + content
764 }
765 precis, _ := obj.GetString("summary")
766 if name, ok := obj.GetString("name"); ok {
767 if precis != "" {
768 content = precis + "<p>" + content
769 }
770 precis = html.EscapeString(name)
771 }
772 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
773 precis = "unspecified horror"
774 }
775 if waspage {
776 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
777 url = xid
778 }
779 if user.Options.InlineQuotes {
780 content = qutify(user, content)
781 }
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 what == "honk" && rid != "" {
822 what = "tonk"
823 }
824 if len(content) > 90001 {
825 ilog.Printf("content too long. truncating")
826 content = content[:90001]
827 }
828
829 xonk.Noise = content
830 xonk.Precis = precis
831 if rejectxonk(&xonk) {
832 dlog.Printf("fast reject: %s", xid)
833 return nil
834 }
835
836 numatts := 0
837 procatt := func(att junk.Junk) {
838 at, _ := att.GetString("type")
839 mt, _ := att.GetString("mediaType")
840 u, ok := att.GetString("url")
841 if !ok {
842 u, ok = att.GetString("href")
843 }
844 if !ok {
845 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
846 u, ok = ua[0].(string)
847 if !ok {
848 if uu, ok := ua[0].(junk.Junk); ok {
849 u, _ = uu.GetString("href")
850 if mt == "" {
851 mt, _ = uu.GetString("mediaType")
852 }
853 }
854 }
855 } else if uu, ok := att.GetMap("url"); ok {
856 u, _ = uu.GetString("href")
857 if mt == "" {
858 mt, _ = uu.GetString("mediaType")
859 }
860 }
861 }
862 name, _ := att.GetString("name")
863 desc, _ := att.GetString("summary")
864 desc = html.UnescapeString(desc)
865 if desc == "" {
866 desc = name
867 }
868 localize := false
869 if numatts > 4 {
870 ilog.Printf("excessive attachment: %s", at)
871 } else if at == "Document" || at == "Image" || (preferorig && at == "Link") {
872 mt = strings.ToLower(mt)
873 dlog.Printf("attachment: %s %s", mt, u)
874 if mt == "text/plain" || mt == "application/pdf" ||
875 strings.HasPrefix(mt, "image") {
876 localize = true
877 }
878 } else {
879 ilog.Printf("unknown attachment: %s", at)
880 }
881 if skipMedia(&xonk) {
882 localize = false
883 }
884 if preferorig && !localize {
885 return
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 if preferorig {
894 atts, _ := obj.GetArray("url")
895 for _, atti := range atts {
896 att, ok := atti.(junk.Junk)
897 if !ok {
898 ilog.Printf("attachment that wasn't map?")
899 continue
900 }
901 procatt(att)
902 }
903 if numatts == 0 {
904 preferorig = false
905 }
906 }
907 if !preferorig {
908 atts, _ := obj.GetArray("attachment")
909 for _, atti := range atts {
910 att, ok := atti.(junk.Junk)
911 if !ok {
912 ilog.Printf("attachment that wasn't map?")
913 continue
914 }
915 procatt(att)
916 }
917 if att, ok := obj.GetMap("attachment"); ok {
918 procatt(att)
919 }
920 }
921 tags, _ := obj.GetArray("tag")
922 for _, tagi := range tags {
923 tag, ok := tagi.(junk.Junk)
924 if !ok {
925 continue
926 }
927 tt, _ := tag.GetString("type")
928 name, _ := tag.GetString("name")
929 desc, _ := tag.GetString("summary")
930 desc = html.UnescapeString(desc)
931 if desc == "" {
932 desc = name
933 }
934 if tt == "Emoji" {
935 icon, _ := tag.GetMap("icon")
936 mt, _ := icon.GetString("mediaType")
937 if mt == "" {
938 mt = "image/png"
939 }
940 u, _ := icon.GetString("url")
941 donk := savedonk(u, name, desc, mt, true)
942 if donk != nil {
943 xonk.Donks = append(xonk.Donks, donk)
944 }
945 }
946 if tt == "Hashtag" {
947 if name == "" || name == "#" {
948 // skip it
949 } else {
950 if name[0] != '#' {
951 name = "#" + name
952 }
953 xonk.Onts = append(xonk.Onts, name)
954 }
955 }
956 if tt == "Place" {
957 p := new(Place)
958 p.Name = name
959 p.Latitude, _ = tag.GetNumber("latitude")
960 p.Longitude, _ = tag.GetNumber("longitude")
961 p.Url, _ = tag.GetString("url")
962 xonk.Place = p
963 }
964 if tt == "Mention" {
965 var m Mention
966 m.Who, _ = tag.GetString("name")
967 m.Where, _ = tag.GetString("href")
968 mentions = append(mentions, m)
969 }
970 }
971 if starttime, ok := obj.GetString("startTime"); ok {
972 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
973 t := new(Time)
974 t.StartTime = start
975 endtime, _ := obj.GetString("endTime")
976 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
977 dura, _ := obj.GetString("duration")
978 if strings.HasPrefix(dura, "PT") {
979 dura = strings.ToLower(dura[2:])
980 d, _ := time.ParseDuration(dura)
981 t.Duration = Duration(d)
982 }
983 xonk.Time = t
984 }
985 }
986 if loca, ok := obj.GetMap("location"); ok {
987 if tt, _ := loca.GetString("type"); tt == "Place" {
988 p := new(Place)
989 p.Name, _ = loca.GetString("name")
990 p.Latitude, _ = loca.GetNumber("latitude")
991 p.Longitude, _ = loca.GetNumber("longitude")
992 p.Url, _ = loca.GetString("url")
993 xonk.Place = p
994 }
995 }
996
997 xonk.Onts = oneofakind(xonk.Onts)
998 replyobj, ok := obj.GetMap("replies")
999 if ok {
1000 items, ok := replyobj.GetArray("items")
1001 if !ok {
1002 first, ok := replyobj.GetMap("first")
1003 if ok {
1004 items, _ = first.GetArray("items")
1005 }
1006 }
1007 for _, repl := range items {
1008 s, ok := repl.(string)
1009 if ok {
1010 replies = append(replies, s)
1011 }
1012 }
1013 }
1014
1015 }
1016
1017 if currenttid == "" {
1018 currenttid = convoy
1019 }
1020
1021 // init xonk
1022 xonk.What = what
1023 xonk.RID = rid
1024 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1025 xonk.URL = url
1026 xonk.Format = "html"
1027 xonk.Convoy = convoy
1028 xonk.Mentions = mentions
1029 for _, m := range mentions {
1030 if m.Where == user.URL {
1031 xonk.Whofore = 1
1032 }
1033 }
1034 imaginate(&xonk)
1035
1036 if what == "chonk" {
1037 ch := Chonk{
1038 UserID: xonk.UserID,
1039 XID: xid,
1040 Who: xonk.Honker,
1041 Target: xonk.Honker,
1042 Date: xonk.Date,
1043 Noise: xonk.Noise,
1044 Format: xonk.Format,
1045 Donks: xonk.Donks,
1046 }
1047 savechonk(&ch)
1048 return nil
1049 }
1050
1051 if isUpdate {
1052 dlog.Printf("something has changed! %s", xonk.XID)
1053 prev := getxonk(user.ID, xonk.XID)
1054 if prev == nil {
1055 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1056 isUpdate = false
1057 } else {
1058 xonk.ID = prev.ID
1059 updatehonk(&xonk)
1060 }
1061 }
1062 if !isUpdate && needxonk(user, &xonk) {
1063 if rid != "" && xonk.Public {
1064 if needxonkid(user, rid) {
1065 goingup++
1066 saveonemore(rid)
1067 goingup--
1068 }
1069 if convoy == "" {
1070 xx := getxonk(user.ID, rid)
1071 if xx != nil {
1072 convoy = xx.Convoy
1073 }
1074 }
1075 }
1076 if convoy == "" {
1077 convoy = currenttid
1078 }
1079 if convoy == "" {
1080 convoy = "data:,missing-" + xfiltrate()
1081 currenttid = convoy
1082 }
1083 xonk.Convoy = convoy
1084 savexonk(&xonk)
1085 }
1086 if goingup == 0 {
1087 for _, replid := range replies {
1088 if needxonkid(user, replid) {
1089 dlog.Printf("missing a reply: %s", replid)
1090 saveonemore(replid)
1091 }
1092 }
1093 }
1094 return &xonk
1095 }
1096
1097 return xonkxonkfn(item, origin, false)
1098}
1099
1100func dumpactivity(item junk.Junk) {
1101 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1102 if err != nil {
1103 elog.Printf("error opening inbox! %s", err)
1104 return
1105 }
1106 defer fd.Close()
1107 item.Write(fd)
1108 io.WriteString(fd, "\n")
1109}
1110
1111func rubadubdub(user *WhatAbout, req junk.Junk) {
1112 actor, _ := req.GetString("actor")
1113 j := junk.New()
1114 j["@context"] = itiswhatitis
1115 j["id"] = user.URL + "/dub/" + xfiltrate()
1116 j["type"] = "Accept"
1117 j["actor"] = user.URL
1118 j["to"] = actor
1119 j["published"] = time.Now().UTC().Format(time.RFC3339)
1120 j["object"] = req
1121
1122 deliverate(0, user.ID, actor, j.ToBytes(), true)
1123}
1124
1125func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1126 j := junk.New()
1127 j["@context"] = itiswhatitis
1128 j["id"] = user.URL + "/unsub/" + folxid
1129 j["type"] = "Undo"
1130 j["actor"] = user.URL
1131 j["to"] = owner
1132 f := junk.New()
1133 f["id"] = user.URL + "/sub/" + folxid
1134 f["type"] = "Follow"
1135 f["actor"] = user.URL
1136 f["to"] = owner
1137 f["object"] = xid
1138 j["object"] = f
1139 j["published"] = time.Now().UTC().Format(time.RFC3339)
1140
1141 deliverate(0, user.ID, owner, j.ToBytes(), true)
1142}
1143
1144func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1145 if xid == "" {
1146 ilog.Printf("can't subscribe to empty")
1147 return
1148 }
1149 j := junk.New()
1150 j["@context"] = itiswhatitis
1151 j["id"] = user.URL + "/sub/" + folxid
1152 j["type"] = "Follow"
1153 j["actor"] = user.URL
1154 j["to"] = owner
1155 j["object"] = xid
1156 j["published"] = time.Now().UTC().Format(time.RFC3339)
1157
1158 deliverate(0, user.ID, owner, j.ToBytes(), true)
1159}
1160
1161func activatedonks(donks []*Donk) []junk.Junk {
1162 var atts []junk.Junk
1163 for _, d := range donks {
1164 if re_emus.MatchString(d.Name) {
1165 continue
1166 }
1167 jd := junk.New()
1168 jd["mediaType"] = d.Media
1169 jd["name"] = d.Name
1170 jd["summary"] = html.EscapeString(d.Desc)
1171 jd["type"] = "Document"
1172 jd["url"] = d.URL
1173 atts = append(atts, jd)
1174 }
1175 return atts
1176}
1177
1178// returns activity, object
1179func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1180 dt := h.Date.Format(time.RFC3339)
1181 var jo junk.Junk
1182 j := junk.New()
1183 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1184 j["actor"] = user.URL
1185 j["published"] = dt
1186 j["to"] = h.Audience[0]
1187 if len(h.Audience) > 1 {
1188 j["cc"] = h.Audience[1:]
1189 }
1190
1191 switch h.What {
1192 case "update":
1193 fallthrough
1194 case "tonk":
1195 fallthrough
1196 case "event":
1197 fallthrough
1198 case "honk":
1199 j["type"] = "Create"
1200 jo = junk.New()
1201 jo["id"] = h.XID
1202 jo["type"] = "Note"
1203 if h.What == "event" {
1204 jo["type"] = "Event"
1205 }
1206 if h.What == "update" {
1207 j["type"] = "Update"
1208 jo["updated"] = dt
1209 }
1210 jo["published"] = dt
1211 jo["url"] = h.XID
1212 jo["attributedTo"] = user.URL
1213 if h.RID != "" {
1214 jo["inReplyTo"] = h.RID
1215 }
1216 if h.Convoy != "" {
1217 jo["context"] = h.Convoy
1218 jo["conversation"] = h.Convoy
1219 }
1220 jo["to"] = h.Audience[0]
1221 if len(h.Audience) > 1 {
1222 jo["cc"] = h.Audience[1:]
1223 }
1224 if !h.Public {
1225 jo["directMessage"] = true
1226 }
1227 translate(h)
1228 redoimages(h)
1229 if h.Precis != "" {
1230 jo["sensitive"] = true
1231 }
1232
1233 var replies []string
1234 for _, reply := range h.Replies {
1235 replies = append(replies, reply.XID)
1236 }
1237 if len(replies) > 0 {
1238 jr := junk.New()
1239 jr["type"] = "Collection"
1240 jr["totalItems"] = len(replies)
1241 jr["items"] = replies
1242 jo["replies"] = jr
1243 }
1244
1245 var tags []junk.Junk
1246 for _, m := range h.Mentions {
1247 t := junk.New()
1248 t["type"] = "Mention"
1249 t["name"] = m.Who
1250 t["href"] = m.Where
1251 tags = append(tags, t)
1252 }
1253 for _, o := range h.Onts {
1254 t := junk.New()
1255 t["type"] = "Hashtag"
1256 o = strings.ToLower(o)
1257 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1258 t["name"] = o
1259 tags = append(tags, t)
1260 }
1261 for _, e := range herdofemus(h.Noise) {
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"] = e.Type
1269 i["url"] = e.ID
1270 t["icon"] = i
1271 tags = append(tags, t)
1272 }
1273 for _, e := range fixupflags(h) {
1274 t := junk.New()
1275 t["id"] = e.ID
1276 t["type"] = "Emoji"
1277 t["name"] = e.Name
1278 i := junk.New()
1279 i["type"] = "Image"
1280 i["mediaType"] = "image/png"
1281 i["url"] = e.ID
1282 t["icon"] = i
1283 tags = append(tags, t)
1284 }
1285 if len(tags) > 0 {
1286 jo["tag"] = tags
1287 }
1288 if p := h.Place; p != nil {
1289 t := junk.New()
1290 t["type"] = "Place"
1291 if p.Name != "" {
1292 t["name"] = p.Name
1293 }
1294 if p.Latitude != 0 {
1295 t["latitude"] = p.Latitude
1296 }
1297 if p.Longitude != 0 {
1298 t["longitude"] = p.Longitude
1299 }
1300 if p.Url != "" {
1301 t["url"] = p.Url
1302 }
1303 jo["location"] = t
1304 }
1305 if t := h.Time; t != nil {
1306 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1307 if t.Duration != 0 {
1308 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1309 }
1310 }
1311 atts := activatedonks(h.Donks)
1312 if len(atts) > 0 {
1313 jo["attachment"] = atts
1314 }
1315 jo["summary"] = h.Precis
1316 jo["content"] = h.Noise
1317 j["object"] = jo
1318 case "bonk":
1319 j["type"] = "Announce"
1320 if h.Convoy != "" {
1321 j["context"] = h.Convoy
1322 }
1323 j["object"] = h.XID
1324 case "unbonk":
1325 b := junk.New()
1326 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1327 b["type"] = "Announce"
1328 b["actor"] = user.URL
1329 if h.Convoy != "" {
1330 b["context"] = h.Convoy
1331 }
1332 b["object"] = h.XID
1333 j["type"] = "Undo"
1334 j["object"] = b
1335 case "zonk":
1336 j["type"] = "Delete"
1337 j["object"] = h.XID
1338 case "ack":
1339 j["type"] = "Read"
1340 j["object"] = h.XID
1341 if h.Convoy != "" {
1342 j["context"] = h.Convoy
1343 }
1344 case "react":
1345 j["type"] = "EmojiReact"
1346 j["object"] = h.XID
1347 if h.Convoy != "" {
1348 j["context"] = h.Convoy
1349 }
1350 j["content"] = h.Noise
1351 case "deack":
1352 b := junk.New()
1353 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1354 b["type"] = "Read"
1355 b["actor"] = user.URL
1356 b["object"] = h.XID
1357 if h.Convoy != "" {
1358 b["context"] = h.Convoy
1359 }
1360 j["type"] = "Undo"
1361 j["object"] = b
1362 }
1363
1364 return j, jo
1365}
1366
1367var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1368 row := stmtAnyXonk.QueryRow(xid)
1369 honk := scanhonk(row)
1370 if honk == nil || !honk.Public {
1371 return nil, true
1372 }
1373 user, _ := butwhatabout(honk.Username)
1374 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1375 reversehonks(rawhonks)
1376 for _, h := range rawhonks {
1377 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1378 honk.Replies = append(honk.Replies, h)
1379 }
1380 }
1381 donksforhonks([]*Honk{honk})
1382 _, j := jonkjonk(user, honk)
1383 if j == nil {
1384 elog.Fatalf("what just happened? %v", honk)
1385 }
1386 j["@context"] = itiswhatitis
1387
1388 return j.ToBytes(), true
1389}, Limit: 128})
1390
1391func gimmejonk(xid string) ([]byte, bool) {
1392 var j []byte
1393 ok := oldjonks.Get(xid, &j)
1394 return j, ok
1395}
1396
1397func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1398 rcpts := make(map[string]bool)
1399 for _, a := range addresses {
1400 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1401 continue
1402 }
1403 if a[0] == '%' {
1404 rcpts[a] = true
1405 continue
1406 }
1407 var box *Box
1408 ok := boxofboxes.Get(a, &box)
1409 if ok && useshared && box.Shared != "" {
1410 rcpts["%"+box.Shared] = true
1411 } else {
1412 rcpts[a] = true
1413 }
1414 }
1415 return rcpts
1416}
1417
1418func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1419 dt := ch.Date.Format(time.RFC3339)
1420 aud := []string{ch.Target}
1421
1422 jo := junk.New()
1423 jo["id"] = ch.XID
1424 jo["type"] = "ChatMessage"
1425 jo["published"] = dt
1426 jo["attributedTo"] = user.URL
1427 jo["to"] = aud
1428 jo["content"] = ch.HTML
1429 atts := activatedonks(ch.Donks)
1430 if len(atts) > 0 {
1431 jo["attachment"] = atts
1432 }
1433 var tags []junk.Junk
1434 for _, e := range herdofemus(ch.Noise) {
1435 t := junk.New()
1436 t["id"] = e.ID
1437 t["type"] = "Emoji"
1438 t["name"] = e.Name
1439 i := junk.New()
1440 i["type"] = "Image"
1441 i["mediaType"] = e.Type
1442 i["url"] = e.ID
1443 t["icon"] = i
1444 tags = append(tags, t)
1445 }
1446 if len(tags) > 0 {
1447 jo["tag"] = tags
1448 }
1449
1450 j := junk.New()
1451 j["@context"] = itiswhatitis
1452 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1453 j["type"] = "Create"
1454 j["actor"] = user.URL
1455 j["published"] = dt
1456 j["to"] = aud
1457 j["object"] = jo
1458
1459 return j.ToBytes()
1460}
1461
1462func sendchonk(user *WhatAbout, ch *Chonk) {
1463 msg := chonkifymsg(user, ch)
1464
1465 rcpts := make(map[string]bool)
1466 rcpts[ch.Target] = true
1467 for a := range rcpts {
1468 go deliverate(0, user.ID, a, msg, true)
1469 }
1470}
1471
1472func honkworldwide(user *WhatAbout, honk *Honk) {
1473 jonk, _ := jonkjonk(user, honk)
1474 jonk["@context"] = itiswhatitis
1475 msg := jonk.ToBytes()
1476
1477 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1478
1479 if honk.Public {
1480 for _, h := range getdubs(user.ID) {
1481 if h.XID == user.URL {
1482 continue
1483 }
1484 var box *Box
1485 ok := boxofboxes.Get(h.XID, &box)
1486 if ok && box.Shared != "" {
1487 rcpts["%"+box.Shared] = true
1488 } else {
1489 rcpts[h.XID] = true
1490 }
1491 }
1492 for _, f := range getbacktracks(honk.XID) {
1493 if f[0] == '%' {
1494 rcpts[f] = true
1495 } else {
1496 var box *Box
1497 ok := boxofboxes.Get(f, &box)
1498 if ok && box.Shared != "" {
1499 rcpts["%"+box.Shared] = true
1500 } else {
1501 rcpts[f] = true
1502 }
1503 }
1504 }
1505 }
1506 for a := range rcpts {
1507 go deliverate(0, user.ID, a, msg, doesitmatter(honk.What))
1508 }
1509 if honk.Public && len(honk.Onts) > 0 {
1510 collectiveaction(honk)
1511 }
1512}
1513
1514func doesitmatter(what string) bool {
1515 switch what {
1516 case "ack":
1517 return false
1518 case "react":
1519 return false
1520 case "deack":
1521 return false
1522 }
1523 return true
1524}
1525
1526func collectiveaction(honk *Honk) {
1527 user := getserveruser()
1528 for _, ont := range honk.Onts {
1529 dubs := getnameddubs(readyLuserOne, ont)
1530 if len(dubs) == 0 {
1531 continue
1532 }
1533 j := junk.New()
1534 j["@context"] = itiswhatitis
1535 j["type"] = "Add"
1536 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1537 j["actor"] = user.URL
1538 j["object"] = honk.XID
1539 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1540 rcpts := make(map[string]bool)
1541 for _, dub := range dubs {
1542 var box *Box
1543 ok := boxofboxes.Get(dub.XID, &box)
1544 if ok && box.Shared != "" {
1545 rcpts["%"+box.Shared] = true
1546 } else {
1547 rcpts[dub.XID] = true
1548 }
1549 }
1550 msg := j.ToBytes()
1551 for a := range rcpts {
1552 go deliverate(0, user.ID, a, msg, false)
1553 }
1554 }
1555}
1556
1557func junkuser(user *WhatAbout) junk.Junk {
1558 j := junk.New()
1559 j["@context"] = itiswhatitis
1560 j["id"] = user.URL
1561 j["inbox"] = user.URL + "/inbox"
1562 j["outbox"] = user.URL + "/outbox"
1563 j["name"] = user.Display
1564 j["preferredUsername"] = user.Name
1565 j["summary"] = user.HTAbout
1566 var tags []junk.Junk
1567 for _, o := range user.Onts {
1568 t := junk.New()
1569 t["type"] = "Hashtag"
1570 o = strings.ToLower(o)
1571 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1572 t["name"] = o
1573 tags = append(tags, t)
1574 }
1575 if len(tags) > 0 {
1576 j["tag"] = tags
1577 }
1578
1579 if user.ID > 0 {
1580 j["type"] = "Person"
1581 j["url"] = user.URL
1582 j["followers"] = user.URL + "/followers"
1583 j["following"] = user.URL + "/following"
1584 a := junk.New()
1585 a["type"] = "Image"
1586 a["mediaType"] = "image/png"
1587 if ava := user.Options.Avatar; ava != "" {
1588 a["url"] = ava
1589 } else {
1590 u := fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1591 a["url"] = u
1592 }
1593 j["icon"] = a
1594 if ban := user.Options.Banner; ban != "" {
1595 a := junk.New()
1596 a["type"] = "Image"
1597 a["mediaType"] = "image/jpg"
1598 a["url"] = ban
1599 j["image"] = a
1600 }
1601 } else {
1602 j["type"] = "Service"
1603 }
1604 k := junk.New()
1605 k["id"] = user.URL + "#key"
1606 k["owner"] = user.URL
1607 k["publicKeyPem"] = user.Key
1608 j["publicKey"] = k
1609
1610 return j
1611}
1612
1613var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1614 user, err := butwhatabout(name)
1615 if err != nil {
1616 return nil, false
1617 }
1618 var buf bytes.Buffer
1619 j := junkuser(user)
1620 j.Write(&buf)
1621 return buf.Bytes(), true
1622}, Duration: 1 * time.Minute})
1623
1624func asjonker(name string) ([]byte, bool) {
1625 var j []byte
1626 ok := oldjonkers.Get(name, &j)
1627 return j, ok
1628}
1629
1630var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1631 m := strings.Split(name, "@")
1632 if len(m) != 2 {
1633 dlog.Printf("bad fish name: %s", name)
1634 return "", true
1635 }
1636 var href string
1637 row := stmtGetXonker.QueryRow(name, "fishname")
1638 err := row.Scan(&href)
1639 if err == nil {
1640 return href, true
1641 }
1642 dlog.Printf("fishing for %s", name)
1643 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1644 if err != nil {
1645 ilog.Printf("failed to go fish %s: %s", name, err)
1646 return "", true
1647 }
1648 links, _ := j.GetArray("links")
1649 for _, li := range links {
1650 l, ok := li.(junk.Junk)
1651 if !ok {
1652 continue
1653 }
1654 href, _ := l.GetString("href")
1655 rel, _ := l.GetString("rel")
1656 t, _ := l.GetString("type")
1657 if rel == "self" && friendorfoe(t) {
1658 when := time.Now().UTC().Format(dbtimeformat)
1659 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1660 if err != nil {
1661 elog.Printf("error saving fishname: %s", err)
1662 }
1663 return href, true
1664 }
1665 }
1666 return href, true
1667}, Duration: 1 * time.Minute})
1668
1669func gofish(name string) string {
1670 if name[0] == '@' {
1671 name = name[1:]
1672 }
1673 var href string
1674 handfull.Get(name, &href)
1675 return href
1676}
1677
1678func investigate(name string) (*SomeThing, error) {
1679 if name == "" {
1680 return nil, fmt.Errorf("no name")
1681 }
1682 if name[0] == '@' {
1683 name = gofish(name)
1684 }
1685 if name == "" {
1686 return nil, fmt.Errorf("no name")
1687 }
1688 obj, err := GetJunkFast(readyLuserOne, name)
1689 if err != nil {
1690 return nil, err
1691 }
1692 allinjest(originate(name), obj)
1693 return somethingabout(obj)
1694}
1695
1696func somethingabout(obj junk.Junk) (*SomeThing, error) {
1697 info := new(SomeThing)
1698 t, _ := obj.GetString("type")
1699 switch t {
1700 case "Person":
1701 fallthrough
1702 case "Organization":
1703 fallthrough
1704 case "Application":
1705 fallthrough
1706 case "Service":
1707 info.What = SomeActor
1708 case "OrderedCollection":
1709 fallthrough
1710 case "Collection":
1711 info.What = SomeCollection
1712 default:
1713 return nil, fmt.Errorf("unknown object type")
1714 }
1715 info.XID, _ = obj.GetString("id")
1716 info.Name, _ = obj.GetString("preferredUsername")
1717 if info.Name == "" {
1718 info.Name, _ = obj.GetString("name")
1719 }
1720 info.Owner, _ = obj.GetString("attributedTo")
1721 if info.Owner == "" {
1722 info.Owner = info.XID
1723 }
1724 return info, nil
1725}
1726
1727func allinjest(origin string, obj junk.Junk) {
1728 keyobj, ok := obj.GetMap("publicKey")
1729 if ok {
1730 ingestpubkey(origin, keyobj)
1731 }
1732 ingestboxes(origin, obj)
1733 ingesthandle(origin, obj)
1734}
1735
1736func ingestpubkey(origin string, obj junk.Junk) {
1737 keyobj, ok := obj.GetMap("publicKey")
1738 if ok {
1739 obj = keyobj
1740 }
1741 keyname, ok := obj.GetString("id")
1742 var data string
1743 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1744 err := row.Scan(&data)
1745 if err == nil {
1746 return
1747 }
1748 if !ok || origin != originate(keyname) {
1749 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1750 return
1751 }
1752 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1753 owner, ok := obj.GetString("owner")
1754 if !ok {
1755 ilog.Printf("error finding %s pubkey owner", keyname)
1756 return
1757 }
1758 data, ok = obj.GetString("publicKeyPem")
1759 if !ok {
1760 ilog.Printf("error finding %s pubkey", keyname)
1761 return
1762 }
1763 if originate(owner) != origin {
1764 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1765 return
1766 }
1767 _, _, err = httpsig.DecodeKey(data)
1768 if err != nil {
1769 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1770 return
1771 }
1772 when := time.Now().UTC().Format(dbtimeformat)
1773 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1774 if err != nil {
1775 elog.Printf("error saving key: %s", err)
1776 }
1777}
1778
1779func ingestboxes(origin string, obj junk.Junk) {
1780 ident, _ := obj.GetString("id")
1781 if ident == "" {
1782 return
1783 }
1784 if originate(ident) != origin {
1785 return
1786 }
1787 var info string
1788 row := stmtGetXonker.QueryRow(ident, "boxes")
1789 err := row.Scan(&info)
1790 if err == nil {
1791 return
1792 }
1793 dlog.Printf("ingesting boxes: %s", ident)
1794 inbox, _ := obj.GetString("inbox")
1795 outbox, _ := obj.GetString("outbox")
1796 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1797 if inbox != "" {
1798 when := time.Now().UTC().Format(dbtimeformat)
1799 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1800 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1801 if err != nil {
1802 elog.Printf("error saving boxes: %s", err)
1803 }
1804 }
1805}
1806
1807func ingesthandle(origin string, obj junk.Junk) {
1808 xid, _ := obj.GetString("id")
1809 if xid == "" {
1810 return
1811 }
1812 if originate(xid) != origin {
1813 return
1814 }
1815 var handle string
1816 row := stmtGetXonker.QueryRow(xid, "handle")
1817 err := row.Scan(&handle)
1818 if err == nil {
1819 return
1820 }
1821 handle, _ = obj.GetString("preferredUsername")
1822 if handle != "" {
1823 when := time.Now().UTC().Format(dbtimeformat)
1824 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1825 if err != nil {
1826 elog.Printf("error saving handle: %s", err)
1827 }
1828 }
1829}
1830
1831func updateMe(username string) {
1832 var user *WhatAbout
1833 somenamedusers.Get(username, &user)
1834 dt := time.Now().UTC().Format(time.RFC3339)
1835 j := junk.New()
1836 j["@context"] = itiswhatitis
1837 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1838 j["actor"] = user.URL
1839 j["published"] = dt
1840 j["to"] = thewholeworld
1841 j["type"] = "Update"
1842 j["object"] = junkuser(user)
1843
1844 msg := j.ToBytes()
1845
1846 rcpts := make(map[string]bool)
1847 for _, f := range getdubs(user.ID) {
1848 if f.XID == user.URL {
1849 continue
1850 }
1851 var box *Box
1852 boxofboxes.Get(f.XID, &box)
1853 if box != nil && box.Shared != "" {
1854 rcpts["%"+box.Shared] = true
1855 } else {
1856 rcpts[f.XID] = true
1857 }
1858 }
1859 for a := range rcpts {
1860 go deliverate(0, user.ID, a, msg, false)
1861 }
1862}
1863
1864func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1865 folxid, _ := j.GetString("id")
1866
1867 ilog.Printf("updating honker follow: %s %s", who, folxid)
1868
1869 var x string
1870 db := opendatabase()
1871 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1872 err := row.Scan(&x)
1873 if err != sql.ErrNoRows {
1874 ilog.Printf("duplicate follow request: %s", who)
1875 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1876 if err != nil {
1877 elog.Printf("error updating honker: %s", err)
1878 }
1879 } else {
1880 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1881 }
1882 go rubadubdub(user, j)
1883}
1884
1885func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1886 var folxid string
1887 if who == "" {
1888 folxid, _ = j.GetString("object")
1889
1890 db := opendatabase()
1891 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1892 err := row.Scan(&who, &name)
1893 if err != nil {
1894 if err != sql.ErrNoRows {
1895 elog.Printf("error scanning honker: %s", err)
1896 }
1897 return
1898 }
1899 }
1900
1901 ilog.Printf("updating honker undo: %s %s", who, folxid)
1902 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1903 if err != nil {
1904 elog.Printf("error updating honker: %s", err)
1905 return
1906 }
1907}
1908
1909func followyou(user *WhatAbout, honkerid int64, sync bool) {
1910 var url, owner string
1911 db := opendatabase()
1912 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1913 honkerid, user.ID)
1914 err := row.Scan(&url, &owner)
1915 if err != nil {
1916 elog.Printf("can't get honker xid: %s", err)
1917 return
1918 }
1919 folxid := xfiltrate()
1920 ilog.Printf("subscribing to %s", url)
1921 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1922 if err != nil {
1923 elog.Printf("error updating honker: %s", err)
1924 return
1925 }
1926 if sync {
1927 subsub(user, url, owner, folxid)
1928 } else {
1929 go subsub(user, url, owner, folxid)
1930 }
1931
1932}
1933func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1934 db := opendatabase()
1935 row := db.QueryRow("select xid, owner, folxid from honkers where honkerid = ? and userid = ? and flavor in ('sub')",
1936 honkerid, user.ID)
1937 var url, owner, folxid string
1938 err := row.Scan(&url, &owner, &folxid)
1939 if err != nil {
1940 elog.Printf("can't get honker xid: %s", err)
1941 return
1942 }
1943 ilog.Printf("unsubscribing from %s", url)
1944 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1945 if err != nil {
1946 elog.Printf("error updating honker: %s", err)
1947 return
1948 }
1949 if sync {
1950 itakeitallback(user, url, owner, folxid)
1951 } else {
1952 go itakeitallback(user, url, owner, folxid)
1953 }
1954}
1955
1956func followyou2(user *WhatAbout, j junk.Junk) {
1957 who, _ := j.GetString("actor")
1958
1959 ilog.Printf("updating honker accept: %s", who)
1960 db := opendatabase()
1961 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1962 user.ID, who)
1963 var name, folxid string
1964 err := row.Scan(&name, &folxid)
1965 if err != nil {
1966 elog.Printf("can't get honker name: %s", err)
1967 return
1968 }
1969 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
1970 if err != nil {
1971 elog.Printf("error updating honker: %s", err)
1972 return
1973 }
1974}
1975
1976func nofollowyou2(user *WhatAbout, j junk.Junk) {
1977 who, _ := j.GetString("actor")
1978
1979 ilog.Printf("updating honker reject: %s", who)
1980 db := opendatabase()
1981 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1982 user.ID, who)
1983 var name, folxid string
1984 err := row.Scan(&name, &folxid)
1985 if err != nil {
1986 elog.Printf("can't get honker name: %s", err)
1987 return
1988 }
1989 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
1990 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
1991 if err != nil {
1992 elog.Printf("error updating honker: %s", err)
1993 return
1994 }
1995}