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 "os"
29 "regexp"
30 "strings"
31 "time"
32
33 "humungus.tedunangst.com/r/webs/cache"
34 "humungus.tedunangst.com/r/webs/gate"
35 "humungus.tedunangst.com/r/webs/httpsig"
36 "humungus.tedunangst.com/r/webs/junk"
37 "humungus.tedunangst.com/r/webs/templates"
38)
39
40var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
41var thefakename = `application/activity+json`
42var falsenames = []string{
43 `application/ld+json`,
44 `application/activity+json`,
45}
46var itiswhatitis = "https://www.w3.org/ns/activitystreams"
47var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
48
49var fastTimeout time.Duration = 5
50var slowTimeout time.Duration = 30
51
52func friendorfoe(ct string) bool {
53 ct = strings.ToLower(ct)
54 for _, at := range falsenames {
55 if strings.HasPrefix(ct, at) {
56 return true
57 }
58 }
59 return false
60}
61
62var develClient = &http.Client{
63 Transport: &http.Transport{
64 TLSClientConfig: &tls.Config{
65 InsecureSkipVerify: true,
66 },
67 },
68}
69
70func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
71 return PostMsg(keyname, key, url, j.ToBytes())
72}
73
74func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
75 client := http.DefaultClient
76 if develMode {
77 client = develClient
78 }
79 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
80 if err != nil {
81 return err
82 }
83 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
84 req.Header.Set("Content-Type", theonetruename)
85 httpsig.SignRequest(keyname, key, req, msg)
86 ctx, cancel := context.WithTimeout(context.Background(), 2*slowTimeout*time.Second)
87 defer cancel()
88 req = req.WithContext(ctx)
89 resp, err := client.Do(req)
90 if err != nil {
91 return err
92 }
93 resp.Body.Close()
94 switch resp.StatusCode {
95 case 200:
96 case 201:
97 case 202:
98 default:
99 return fmt.Errorf("http post status: %d", resp.StatusCode)
100 }
101 ilog.Printf("successful post: %s %d", url, resp.StatusCode)
102 return nil
103}
104
105func GetJunk(userid int64, url string) (junk.Junk, error) {
106 return GetJunkTimeout(userid, url, slowTimeout*time.Second)
107}
108
109func GetJunkFast(userid int64, url string) (junk.Junk, error) {
110 return GetJunkTimeout(userid, url, fastTimeout*time.Second)
111}
112
113func GetJunkHardMode(userid int64, url string) (junk.Junk, error) {
114 j, err := GetJunk(userid, url)
115 if err != nil {
116 emsg := err.Error()
117 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
118 ilog.Printf("trying again after error: %s", emsg)
119 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
120 j, err = GetJunk(userid, url)
121 if err != nil {
122 ilog.Printf("still couldn't get it")
123 } else {
124 ilog.Printf("retry success!")
125 }
126 }
127 }
128 return j, err
129}
130
131var flightdeck = gate.NewSerializer()
132
133var signGets = true
134
135func junkGet(userid int64, url string, args junk.GetArgs) (junk.Junk, error) {
136 client := http.DefaultClient
137 if args.Client != nil {
138 client = args.Client
139 }
140 req, err := http.NewRequest("GET", url, nil)
141 if err != nil {
142 return nil, err
143 }
144 if args.Accept != "" {
145 req.Header.Set("Accept", args.Accept)
146 }
147 if args.Agent != "" {
148 req.Header.Set("User-Agent", args.Agent)
149 }
150 if signGets {
151 var ki *KeyInfo
152 ok := ziggies.Get(userid, &ki)
153 if ok {
154 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
155 }
156 }
157 if args.Timeout != 0 {
158 ctx, cancel := context.WithTimeout(context.Background(), args.Timeout)
159 defer cancel()
160 req = req.WithContext(ctx)
161 }
162 resp, err := client.Do(req)
163 if err != nil {
164 return nil, err
165 }
166 defer resp.Body.Close()
167
168 switch resp.StatusCode {
169 case 200:
170 case 201:
171 case 202:
172 default:
173 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
174 }
175 return junk.Read(resp.Body)
176}
177
178func GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
179 client := http.DefaultClient
180 if develMode {
181 client = develClient
182 }
183 fn := func() (interface{}, error) {
184 at := thefakename
185 if strings.Contains(url, ".well-known/webfinger?resource") {
186 at = "application/jrd+json"
187 }
188 j, err := junkGet(userid, url, junk.GetArgs{
189 Accept: at,
190 Agent: "honksnonk/5.0; " + serverName,
191 Timeout: timeout,
192 Client: client,
193 })
194 return j, err
195 }
196
197 ji, err := flightdeck.Call(url, fn)
198 if err != nil {
199 return nil, err
200 }
201 j := ji.(junk.Junk)
202 return j, nil
203}
204
205func fetchsome(url string) ([]byte, error) {
206 client := http.DefaultClient
207 if develMode {
208 client = develClient
209 }
210 req, err := http.NewRequest("GET", url, nil)
211 if err != nil {
212 ilog.Printf("error fetching %s: %s", url, err)
213 return nil, err
214 }
215 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
216 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
217 defer cancel()
218 req = req.WithContext(ctx)
219 resp, err := client.Do(req)
220 if err != nil {
221 ilog.Printf("error fetching %s: %s", url, err)
222 return nil, err
223 }
224 defer resp.Body.Close()
225 switch resp.StatusCode {
226 case 200:
227 case 201:
228 case 202:
229 default:
230 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
231 }
232 var buf bytes.Buffer
233 limiter := io.LimitReader(resp.Body, 10*1024*1024)
234 io.Copy(&buf, limiter)
235 return buf.Bytes(), nil
236}
237
238func savedonk(url string, name, desc, media string, localize bool) *Donk {
239 if url == "" {
240 return nil
241 }
242 if donk := finddonk(url); donk != nil {
243 return donk
244 }
245 ilog.Printf("saving donk: %s", url)
246 data := []byte{}
247 if localize {
248 fn := func() (interface{}, error) {
249 return fetchsome(url)
250 }
251 ii, err := flightdeck.Call(url, fn)
252 if err != nil {
253 ilog.Printf("error fetching donk: %s", err)
254 localize = false
255 goto saveit
256 }
257 data = ii.([]byte)
258
259 if len(data) == 10*1024*1024 {
260 ilog.Printf("truncation likely")
261 }
262 if strings.HasPrefix(media, "image") {
263 img, err := shrinkit(data)
264 if err != nil {
265 ilog.Printf("unable to decode image: %s", err)
266 localize = false
267 data = []byte{}
268 goto saveit
269 }
270 data = img.Data
271 media = "image/" + img.Format
272 } else if media == "application/pdf" {
273 if len(data) > 1000000 {
274 ilog.Printf("not saving large pdf")
275 localize = false
276 data = []byte{}
277 }
278 } else if len(data) > 100000 {
279 ilog.Printf("not saving large attachment")
280 localize = false
281 data = []byte{}
282 }
283 }
284saveit:
285 fileid, err := savefile(name, desc, url, media, localize, data)
286 if err != nil {
287 elog.Printf("error saving file %s: %s", url, err)
288 return nil
289 }
290 donk := new(Donk)
291 donk.FileID = fileid
292 return donk
293}
294
295func iszonked(userid int64, xid string) bool {
296 var id int64
297 row := stmtFindZonk.QueryRow(userid, xid)
298 err := row.Scan(&id)
299 if err == nil {
300 return true
301 }
302 if err != sql.ErrNoRows {
303 ilog.Printf("error querying zonk: %s", err)
304 }
305 return false
306}
307
308func needxonk(user *WhatAbout, x *Honk) bool {
309 if rejectxonk(x) {
310 return false
311 }
312 return needxonkid(user, x.XID)
313}
314func needbonkid(user *WhatAbout, xid string) bool {
315 return needxonkidX(user, xid, true)
316}
317func needxonkid(user *WhatAbout, xid string) bool {
318 return needxonkidX(user, xid, false)
319}
320func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
321 if !strings.HasPrefix(xid, "https://") {
322 return false
323 }
324 if strings.HasPrefix(xid, user.URL+"/") {
325 return false
326 }
327 if rejectorigin(user.ID, xid, isannounce) {
328 ilog.Printf("rejecting origin: %s", xid)
329 return false
330 }
331 if iszonked(user.ID, xid) {
332 ilog.Printf("already zonked: %s", xid)
333 return false
334 }
335 var id int64
336 row := stmtFindXonk.QueryRow(user.ID, xid)
337 err := row.Scan(&id)
338 if err == nil {
339 return false
340 }
341 if err != sql.ErrNoRows {
342 ilog.Printf("error querying xonk: %s", err)
343 }
344 return true
345}
346
347func eradicatexonk(userid int64, xid string) {
348 xonk := getxonk(userid, xid)
349 if xonk != nil {
350 deletehonk(xonk.ID)
351 }
352 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
353 if err != nil {
354 elog.Printf("error eradicating: %s", err)
355 }
356}
357
358func savexonk(x *Honk) {
359 ilog.Printf("saving xonk: %s", x.XID)
360 go handles(x.Honker)
361 go handles(x.Oonker)
362 savehonk(x)
363}
364
365type Box struct {
366 In string
367 Out string
368 Shared string
369}
370
371var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
372 var info string
373 row := stmtGetXonker.QueryRow(ident, "boxes")
374 err := row.Scan(&info)
375 if err != nil {
376 dlog.Printf("need to get boxes for %s", ident)
377 var j junk.Junk
378 j, err = GetJunk(readyLuserOne, ident)
379 if err != nil {
380 dlog.Printf("error getting boxes: %s", err)
381 return nil, false
382 }
383 allinjest(originate(ident), j)
384 row = stmtGetXonker.QueryRow(ident, "boxes")
385 err = row.Scan(&info)
386 }
387 if err == nil {
388 m := strings.Split(info, " ")
389 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
390 return b, true
391 }
392 return nil, false
393}})
394
395func gimmexonks(user *WhatAbout, outbox string) {
396 dlog.Printf("getting outbox: %s", outbox)
397 j, err := GetJunk(user.ID, outbox)
398 if err != nil {
399 ilog.Printf("error getting outbox: %s", err)
400 return
401 }
402 t, _ := j.GetString("type")
403 origin := originate(outbox)
404 if t == "OrderedCollection" {
405 items, _ := j.GetArray("orderedItems")
406 if items == nil {
407 items, _ = j.GetArray("items")
408 }
409 if items == nil {
410 obj, ok := j.GetMap("first")
411 if ok {
412 items, _ = obj.GetArray("orderedItems")
413 } else {
414 page1, ok := j.GetString("first")
415 if ok {
416 j, err = GetJunk(user.ID, page1)
417 if err != nil {
418 ilog.Printf("error getting page1: %s", err)
419 return
420 }
421 items, _ = j.GetArray("orderedItems")
422 }
423 }
424 }
425 if len(items) > 20 {
426 items = items[0:20]
427 }
428 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
429 items[i], items[j] = items[j], items[i]
430 }
431 for _, item := range items {
432 obj, ok := item.(junk.Junk)
433 if ok {
434 xonksaver(user, obj, origin)
435 continue
436 }
437 xid, ok := item.(string)
438 if ok {
439 if !needxonkid(user, xid) {
440 continue
441 }
442 obj, err = GetJunk(user.ID, xid)
443 if err != nil {
444 ilog.Printf("error getting item: %s", err)
445 continue
446 }
447 xonksaver(user, obj, originate(xid))
448 }
449 }
450 }
451}
452
453func newphone(a []string, obj junk.Junk) []string {
454 for _, addr := range []string{"to", "cc", "attributedTo"} {
455 who, _ := obj.GetString(addr)
456 if who != "" {
457 a = append(a, who)
458 }
459 whos, _ := obj.GetArray(addr)
460 for _, w := range whos {
461 who, _ := w.(string)
462 if who != "" {
463 a = append(a, who)
464 }
465 }
466 }
467 return a
468}
469
470func extractattrto(obj junk.Junk) string {
471 who, _ := obj.GetString("attributedTo")
472 if who != "" {
473 return who
474 }
475 o, ok := obj.GetMap("attributedTo")
476 if ok {
477 id, ok := o.GetString("id")
478 if ok {
479 return id
480 }
481 }
482 arr, _ := obj.GetArray("attributedTo")
483 for _, a := range arr {
484 o, ok := a.(junk.Junk)
485 if ok {
486 t, _ := o.GetString("type")
487 id, _ := o.GetString("id")
488 if t == "Person" || t == "" {
489 return id
490 }
491 }
492 s, ok := a.(string)
493 if ok {
494 return s
495 }
496 }
497 return ""
498}
499
500func firstofmany(obj junk.Junk, key string) string {
501 if val, _ := obj.GetString(key); val != "" {
502 return val
503 }
504 if arr, _ := obj.GetArray(key); len(arr) > 0 {
505 val, ok := arr[0].(string)
506 if ok {
507 return val
508 }
509 }
510 return ""
511}
512
513var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
514var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)/([[:digit:]]+)`)
515var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
516var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
517var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
518var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
519var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
520
521func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
522 depth := 0
523 maxdepth := 10
524 currenttid := ""
525 goingup := 0
526 var xonkxonkfn func(item junk.Junk, origin string, isUpdate bool) *Honk
527
528 qutify := func(user *WhatAbout, content string) string {
529 if depth >= maxdepth {
530 ilog.Printf("in too deep")
531 return content
532 }
533 // well this is gross
534 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
535 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
536 mlinks := re_qtlinks.FindAllString(malcontent, -1)
537 for _, m := range mlinks {
538 tryit := false
539 m = m[1 : len(m)-1]
540 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
541 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
542 re_roma1ink.MatchString(m) {
543 tryit = true
544 } else if re_masto1ink.MatchString(m) {
545 m = re_masto1ink.ReplaceAllString(m, "https://$1/users/$2/statuses/$3")
546 tryit = true
547 }
548 if tryit {
549 if x := getxonk(user.ID, m); x != nil {
550 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, x.Noise)
551 } else if j, err := GetJunk(user.ID, m); err == nil {
552 q, ok := j.GetString("content")
553 if ok {
554 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
555 }
556 prevdepth := depth
557 depth = maxdepth
558 xonkxonkfn(j, originate(m), false)
559 depth = prevdepth
560 }
561 }
562 }
563 return content
564 }
565
566 saveonemore := func(xid string) {
567 dlog.Printf("getting onemore: %s", xid)
568 if depth >= maxdepth {
569 ilog.Printf("in too deep")
570 return
571 }
572 obj, err := GetJunkHardMode(user.ID, xid)
573 if err != nil {
574 ilog.Printf("error getting onemore: %s: %s", xid, err)
575 return
576 }
577 depth++
578 xonkxonkfn(obj, originate(xid), false)
579 depth--
580 }
581
582 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool) *Honk {
583 id, _ := item.GetString("id")
584 what := firstofmany(item, "type")
585 dt, ok := item.GetString("published")
586 if !ok {
587 dt = time.Now().Format(time.RFC3339)
588 }
589
590 var err error
591 var xid, rid, url, convoy string
592 var replies []string
593 var obj junk.Junk
594 waspage := false
595 preferorig := false
596 switch what {
597 case "Delete":
598 obj, ok = item.GetMap("object")
599 if ok {
600 xid, _ = obj.GetString("id")
601 } else {
602 xid, _ = item.GetString("object")
603 }
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 "Remove":
615 xid, _ = item.GetString("object")
616 targ, _ := obj.GetString("target")
617 ilog.Printf("remove %s from %s", obj, targ)
618 return nil
619 case "Tombstone":
620 xid, _ = item.GetString("id")
621 if xid == "" {
622 return nil
623 }
624 if originate(xid) != origin {
625 ilog.Printf("forged delete: %s", xid)
626 return nil
627 }
628 ilog.Printf("eradicating %s", xid)
629 eradicatexonk(user.ID, xid)
630 return nil
631 case "Announce":
632 obj, ok = item.GetMap("object")
633 if ok {
634 what, ok := obj.GetString("type")
635 if ok && what == "Create" {
636 obj, ok = obj.GetMap("object")
637 if !ok {
638 ilog.Printf("lost object inside create %s", id)
639 return nil
640 }
641 }
642 xid, _ = obj.GetString("id")
643 } else {
644 xid, _ = item.GetString("object")
645 }
646 if !needbonkid(user, xid) {
647 return nil
648 }
649 origin = originate(xid)
650 if ok && originate(id) == origin {
651 dlog.Printf("using object in announce for %s", xid)
652 } else {
653 dlog.Printf("getting bonk: %s", xid)
654 obj, err = GetJunkHardMode(user.ID, xid)
655 if err != nil {
656 ilog.Printf("error getting bonk: %s: %s", xid, err)
657 }
658 }
659 what = "bonk"
660 case "Update":
661 isUpdate = true
662 fallthrough
663 case "Create":
664 obj, ok = item.GetMap("object")
665 if !ok {
666 xid, _ = item.GetString("object")
667 dlog.Printf("getting created honk: %s", xid)
668 if originate(xid) != origin {
669 ilog.Printf("out of bounds %s not from %s", xid, origin)
670 return nil
671 }
672 obj, err = GetJunkHardMode(user.ID, xid)
673 if err != nil {
674 ilog.Printf("error getting creation: %s", err)
675 }
676 }
677 if obj == nil {
678 ilog.Printf("no object for creation %s", id)
679 return nil
680 }
681 return xonkxonkfn(obj, origin, isUpdate)
682 case "Read":
683 xid, ok = item.GetString("object")
684 if ok {
685 if !needxonkid(user, xid) {
686 dlog.Printf("don't need read obj: %s", xid)
687 return nil
688 }
689 obj, err = GetJunkHardMode(user.ID, xid)
690 if err != nil {
691 ilog.Printf("error getting read: %s", err)
692 return nil
693 }
694 return xonkxonkfn(obj, originate(xid), false)
695 }
696 return nil
697 case "Add":
698 xid, ok = item.GetString("object")
699 if ok {
700 // check target...
701 if !needxonkid(user, xid) {
702 dlog.Printf("don't need added obj: %s", xid)
703 return nil
704 }
705 obj, err = GetJunkHardMode(user.ID, xid)
706 if err != nil {
707 ilog.Printf("error getting add: %s", err)
708 return nil
709 }
710 return xonkxonkfn(obj, originate(xid), false)
711 }
712 return nil
713 case "Move":
714 obj = item
715 what = "move"
716 case "Page":
717 waspage = true
718 fallthrough
719 case "Audio":
720 fallthrough
721 case "Image":
722 if what == "Image" {
723 preferorig = true
724 }
725 fallthrough
726 case "Video":
727 fallthrough
728 case "Question":
729 fallthrough
730 case "Note":
731 fallthrough
732 case "Article":
733 obj = item
734 what = "honk"
735 case "Event":
736 obj = item
737 what = "event"
738 case "ChatMessage":
739 obj = item
740 what = "chonk"
741 default:
742 ilog.Printf("unknown activity: %s", what)
743 dumpactivity(item)
744 return nil
745 }
746
747 if obj != nil {
748 xid, _ = obj.GetString("id")
749 }
750
751 if xid == "" {
752 ilog.Printf("don't know what xid is")
753 item.Write(ilog.Writer())
754 return nil
755 }
756 if originate(xid) != origin {
757 if !develMode && origin != "" {
758 ilog.Printf("original sin: %s not from %s", xid, origin)
759 item.Write(ilog.Writer())
760 return nil
761 }
762 }
763
764 var xonk Honk
765 // early init
766 xonk.XID = xid
767 xonk.UserID = user.ID
768 xonk.Honker, _ = item.GetString("actor")
769 if xonk.Honker == "" {
770 xonk.Honker, _ = item.GetString("attributedTo")
771 }
772 if obj != nil {
773 if xonk.Honker == "" {
774 xonk.Honker = extractattrto(obj)
775 }
776 xonk.Oonker = extractattrto(obj)
777 if xonk.Oonker == xonk.Honker {
778 xonk.Oonker = ""
779 }
780 xonk.Audience = newphone(nil, obj)
781 }
782 xonk.Audience = append(xonk.Audience, xonk.Honker)
783 xonk.Audience = oneofakind(xonk.Audience)
784 xonk.Public = loudandproud(xonk.Audience)
785
786 var mentions []Mention
787 if obj != nil {
788 ot, _ := obj.GetString("type")
789 url, _ = obj.GetString("url")
790 if dt2, ok := obj.GetString("published"); ok {
791 dt = dt2
792 }
793 content, _ := obj.GetString("content")
794 if !strings.HasPrefix(content, "<p>") {
795 content = "<p>" + content
796 }
797 precis, _ := obj.GetString("summary")
798 if name, ok := obj.GetString("name"); ok {
799 if precis != "" {
800 content = precis + "<p>" + content
801 }
802 precis = html.EscapeString(name)
803 }
804 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
805 precis = "unspecified horror"
806 }
807 if waspage {
808 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
809 url = xid
810 }
811 if user.Options.InlineQuotes {
812 content = qutify(user, content)
813 }
814 rid, ok = obj.GetString("inReplyTo")
815 if !ok {
816 if robj, ok := obj.GetMap("inReplyTo"); ok {
817 rid, _ = robj.GetString("id")
818 }
819 }
820 convoy, _ = obj.GetString("context")
821 if convoy == "" {
822 convoy, _ = obj.GetString("conversation")
823 }
824 if ot == "Question" {
825 if what == "honk" {
826 what = "qonk"
827 }
828 content += "<ul>"
829 ans, _ := obj.GetArray("oneOf")
830 for _, ai := range ans {
831 a, ok := ai.(junk.Junk)
832 if !ok {
833 continue
834 }
835 as, _ := a.GetString("name")
836 content += "<li>" + as
837 }
838 ans, _ = obj.GetArray("anyOf")
839 for _, ai := range ans {
840 a, ok := ai.(junk.Junk)
841 if !ok {
842 continue
843 }
844 as, _ := a.GetString("name")
845 content += "<li>" + as
846 }
847 content += "</ul>"
848 }
849 if ot == "Move" {
850 targ, _ := obj.GetString("target")
851 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
852 }
853 if len(content) > 90001 {
854 ilog.Printf("content too long. truncating")
855 content = content[:90001]
856 }
857
858 xonk.Noise = content
859 xonk.Precis = precis
860 if rejectxonk(&xonk) {
861 dlog.Printf("fast reject: %s", xid)
862 return nil
863 }
864
865 numatts := 0
866 procatt := func(att junk.Junk) {
867 at, _ := att.GetString("type")
868 mt, _ := att.GetString("mediaType")
869 if mt == "" {
870 mt = "image"
871 }
872 u, ok := att.GetString("url")
873 if !ok {
874 u, ok = att.GetString("href")
875 }
876 if !ok {
877 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
878 u, ok = ua[0].(string)
879 if !ok {
880 if uu, ok := ua[0].(junk.Junk); ok {
881 u, _ = uu.GetString("href")
882 if mt == "" {
883 mt, _ = uu.GetString("mediaType")
884 }
885 }
886 }
887 } else if uu, ok := att.GetMap("url"); ok {
888 u, _ = uu.GetString("href")
889 if mt == "" {
890 mt, _ = uu.GetString("mediaType")
891 }
892 }
893 }
894 name, _ := att.GetString("name")
895 desc, _ := att.GetString("summary")
896 desc = html.UnescapeString(desc)
897 if desc == "" {
898 desc = name
899 }
900 localize := false
901 if at == "Document" || at == "Image" {
902 mt = strings.ToLower(mt)
903 dlog.Printf("attachment: %s %s", mt, u)
904 if mt == "text/plain" || mt == "application/pdf" ||
905 strings.HasPrefix(mt, "image") {
906 if numatts > 4 {
907 ilog.Printf("excessive attachment: %s", at)
908 } else {
909 localize = true
910 }
911 }
912 } else if at == "Link" {
913 if waspage {
914 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
915 return
916 }
917 if name == "" {
918 name = u
919 }
920 } else {
921 ilog.Printf("unknown attachment: %s", at)
922 }
923 if skipMedia(&xonk) {
924 localize = false
925 }
926 if preferorig && !localize {
927 return
928 }
929 donk := savedonk(u, name, desc, mt, localize)
930 if donk != nil {
931 xonk.Donks = append(xonk.Donks, donk)
932 }
933 numatts++
934 }
935 if img, ok := obj.GetMap("image"); ok {
936 procatt(img)
937 }
938 if preferorig {
939 atts, _ := obj.GetArray("url")
940 for _, atti := range atts {
941 att, ok := atti.(junk.Junk)
942 if !ok {
943 ilog.Printf("attachment that wasn't map?")
944 continue
945 }
946 procatt(att)
947 }
948 if numatts == 0 {
949 preferorig = false
950 }
951 }
952 if !preferorig {
953 atts, _ := obj.GetArray("attachment")
954 for _, atti := range atts {
955 att, ok := atti.(junk.Junk)
956 if !ok {
957 ilog.Printf("attachment that wasn't map?")
958 continue
959 }
960 procatt(att)
961 }
962 if att, ok := obj.GetMap("attachment"); ok {
963 procatt(att)
964 }
965 }
966 tags, _ := obj.GetArray("tag")
967 for _, tagi := range tags {
968 tag, ok := tagi.(junk.Junk)
969 if !ok {
970 continue
971 }
972 tt, _ := tag.GetString("type")
973 name, _ := tag.GetString("name")
974 desc, _ := tag.GetString("summary")
975 desc = html.UnescapeString(desc)
976 if desc == "" {
977 desc = name
978 }
979 if tt == "Emoji" {
980 icon, _ := tag.GetMap("icon")
981 mt, _ := icon.GetString("mediaType")
982 if mt == "" {
983 mt = "image/png"
984 }
985 u, _ := icon.GetString("url")
986 donk := savedonk(u, name, desc, mt, true)
987 if donk != nil {
988 xonk.Donks = append(xonk.Donks, donk)
989 }
990 }
991 if tt == "Hashtag" {
992 if name == "" || name == "#" {
993 // skip it
994 } else {
995 if name[0] != '#' {
996 name = "#" + name
997 }
998 xonk.Onts = append(xonk.Onts, name)
999 }
1000 }
1001 if tt == "Place" {
1002 p := new(Place)
1003 p.Name = name
1004 p.Latitude, _ = tag.GetNumber("latitude")
1005 p.Longitude, _ = tag.GetNumber("longitude")
1006 p.Url, _ = tag.GetString("url")
1007 xonk.Place = p
1008 }
1009 if tt == "Mention" {
1010 var m Mention
1011 m.Who, _ = tag.GetString("name")
1012 m.Where, _ = tag.GetString("href")
1013 mentions = append(mentions, m)
1014 }
1015 }
1016 if starttime, ok := obj.GetString("startTime"); ok {
1017 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1018 t := new(Time)
1019 t.StartTime = start
1020 endtime, _ := obj.GetString("endTime")
1021 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1022 dura, _ := obj.GetString("duration")
1023 if strings.HasPrefix(dura, "PT") {
1024 dura = strings.ToLower(dura[2:])
1025 d, _ := time.ParseDuration(dura)
1026 t.Duration = Duration(d)
1027 }
1028 xonk.Time = t
1029 }
1030 }
1031 if loca, ok := obj.GetMap("location"); ok {
1032 if tt, _ := loca.GetString("type"); tt == "Place" {
1033 p := new(Place)
1034 p.Name, _ = loca.GetString("name")
1035 p.Latitude, _ = loca.GetNumber("latitude")
1036 p.Longitude, _ = loca.GetNumber("longitude")
1037 p.Url, _ = loca.GetString("url")
1038 xonk.Place = p
1039 }
1040 }
1041
1042 xonk.Onts = oneofakind(xonk.Onts)
1043 replyobj, ok := obj.GetMap("replies")
1044 if ok {
1045 items, ok := replyobj.GetArray("items")
1046 if !ok {
1047 first, ok := replyobj.GetMap("first")
1048 if ok {
1049 items, _ = first.GetArray("items")
1050 }
1051 }
1052 for _, repl := range items {
1053 s, ok := repl.(string)
1054 if ok {
1055 replies = append(replies, s)
1056 }
1057 }
1058 }
1059
1060 }
1061
1062 if currenttid == "" {
1063 currenttid = convoy
1064 }
1065
1066 // init xonk
1067 xonk.What = what
1068 xonk.RID = rid
1069 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1070 xonk.URL = url
1071 xonk.Format = "html"
1072 xonk.Convoy = convoy
1073 xonk.Mentions = mentions
1074 for _, m := range mentions {
1075 if m.Where == user.URL {
1076 xonk.Whofore = 1
1077 }
1078 }
1079 imaginate(&xonk)
1080
1081 if what == "chonk" {
1082 ch := Chonk{
1083 UserID: xonk.UserID,
1084 XID: xid,
1085 Who: xonk.Honker,
1086 Target: xonk.Honker,
1087 Date: xonk.Date,
1088 Noise: xonk.Noise,
1089 Format: xonk.Format,
1090 Donks: xonk.Donks,
1091 }
1092 savechonk(&ch)
1093 return nil
1094 }
1095
1096 if isUpdate {
1097 dlog.Printf("something has changed! %s", xonk.XID)
1098 prev := getxonk(user.ID, xonk.XID)
1099 if prev == nil {
1100 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1101 isUpdate = false
1102 } else {
1103 xonk.ID = prev.ID
1104 updatehonk(&xonk)
1105 }
1106 }
1107 if !isUpdate && needxonk(user, &xonk) {
1108 if rid != "" && xonk.Public {
1109 if needxonkid(user, rid) {
1110 goingup++
1111 saveonemore(rid)
1112 goingup--
1113 }
1114 if convoy == "" {
1115 xx := getxonk(user.ID, rid)
1116 if xx != nil {
1117 convoy = xx.Convoy
1118 }
1119 }
1120 }
1121 if convoy == "" {
1122 convoy = currenttid
1123 }
1124 if convoy == "" {
1125 convoy = "data:,missing-" + xfiltrate()
1126 currenttid = convoy
1127 }
1128 xonk.Convoy = convoy
1129 savexonk(&xonk)
1130 }
1131 if goingup == 0 {
1132 for _, replid := range replies {
1133 if needxonkid(user, replid) {
1134 dlog.Printf("missing a reply: %s", replid)
1135 saveonemore(replid)
1136 }
1137 }
1138 }
1139 return &xonk
1140 }
1141
1142 return xonkxonkfn(item, origin, false)
1143}
1144
1145func dumpactivity(item junk.Junk) {
1146 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1147 if err != nil {
1148 elog.Printf("error opening inbox! %s", err)
1149 return
1150 }
1151 defer fd.Close()
1152 item.Write(fd)
1153 io.WriteString(fd, "\n")
1154}
1155
1156func rubadubdub(user *WhatAbout, req junk.Junk) {
1157 actor, _ := req.GetString("actor")
1158 j := junk.New()
1159 j["@context"] = itiswhatitis
1160 j["id"] = user.URL + "/dub/" + xfiltrate()
1161 j["type"] = "Accept"
1162 j["actor"] = user.URL
1163 j["to"] = actor
1164 j["published"] = time.Now().UTC().Format(time.RFC3339)
1165 j["object"] = req
1166
1167 deliverate(user.ID, actor, j.ToBytes())
1168}
1169
1170func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1171 j := junk.New()
1172 j["@context"] = itiswhatitis
1173 j["id"] = user.URL + "/unsub/" + folxid
1174 j["type"] = "Undo"
1175 j["actor"] = user.URL
1176 j["to"] = owner
1177 f := junk.New()
1178 f["id"] = user.URL + "/sub/" + folxid
1179 f["type"] = "Follow"
1180 f["actor"] = user.URL
1181 f["to"] = owner
1182 f["object"] = xid
1183 j["object"] = f
1184 j["published"] = time.Now().UTC().Format(time.RFC3339)
1185
1186 deliverate(user.ID, owner, j.ToBytes())
1187}
1188
1189func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1190 if xid == "" {
1191 ilog.Printf("can't subscribe to empty")
1192 return
1193 }
1194 j := junk.New()
1195 j["@context"] = itiswhatitis
1196 j["id"] = user.URL + "/sub/" + folxid
1197 j["type"] = "Follow"
1198 j["actor"] = user.URL
1199 j["to"] = owner
1200 j["object"] = xid
1201 j["published"] = time.Now().UTC().Format(time.RFC3339)
1202
1203 deliverate(user.ID, owner, j.ToBytes())
1204}
1205
1206func activatedonks(donks []*Donk) []junk.Junk {
1207 var atts []junk.Junk
1208 for _, d := range donks {
1209 if re_emus.MatchString(d.Name) {
1210 continue
1211 }
1212 jd := junk.New()
1213 jd["mediaType"] = d.Media
1214 jd["name"] = d.Name
1215 jd["summary"] = html.EscapeString(d.Desc)
1216 jd["type"] = "Document"
1217 jd["url"] = d.URL
1218 atts = append(atts, jd)
1219 }
1220 return atts
1221}
1222
1223// returns activity, object
1224func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1225 dt := h.Date.Format(time.RFC3339)
1226 var jo junk.Junk
1227 j := junk.New()
1228 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1229 j["actor"] = user.URL
1230 j["published"] = dt
1231 j["to"] = h.Audience[0]
1232 if len(h.Audience) > 1 {
1233 j["cc"] = h.Audience[1:]
1234 }
1235
1236 switch h.What {
1237 case "update":
1238 fallthrough
1239 case "event":
1240 fallthrough
1241 case "honk":
1242 j["type"] = "Create"
1243 jo = junk.New()
1244 jo["id"] = h.XID
1245 jo["type"] = "Note"
1246 if h.What == "event" {
1247 jo["type"] = "Event"
1248 }
1249 if h.What == "update" {
1250 j["type"] = "Update"
1251 jo["updated"] = dt
1252 }
1253 jo["published"] = dt
1254 jo["url"] = h.XID
1255 jo["attributedTo"] = user.URL
1256 if h.RID != "" {
1257 jo["inReplyTo"] = h.RID
1258 }
1259 if h.Convoy != "" {
1260 jo["context"] = h.Convoy
1261 jo["conversation"] = h.Convoy
1262 }
1263 jo["to"] = h.Audience[0]
1264 if len(h.Audience) > 1 {
1265 jo["cc"] = h.Audience[1:]
1266 }
1267 if !h.Public {
1268 jo["directMessage"] = true
1269 }
1270 translate(h)
1271 redoimages(h)
1272 if h.Precis != "" {
1273 jo["sensitive"] = true
1274 }
1275
1276 var replies []string
1277 for _, reply := range h.Replies {
1278 replies = append(replies, reply.XID)
1279 }
1280 if len(replies) > 0 {
1281 jr := junk.New()
1282 jr["type"] = "Collection"
1283 jr["totalItems"] = len(replies)
1284 jr["items"] = replies
1285 jo["replies"] = jr
1286 }
1287
1288 var tags []junk.Junk
1289 for _, m := range h.Mentions {
1290 t := junk.New()
1291 t["type"] = "Mention"
1292 t["name"] = m.Who
1293 t["href"] = m.Where
1294 tags = append(tags, t)
1295 }
1296 for _, o := range h.Onts {
1297 t := junk.New()
1298 t["type"] = "Hashtag"
1299 o = strings.ToLower(o)
1300 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1301 t["name"] = o
1302 tags = append(tags, t)
1303 }
1304 for _, e := range herdofemus(h.Noise) {
1305 t := junk.New()
1306 t["id"] = e.ID
1307 t["type"] = "Emoji"
1308 t["name"] = e.Name
1309 i := junk.New()
1310 i["type"] = "Image"
1311 i["mediaType"] = e.Type
1312 i["url"] = e.ID
1313 t["icon"] = i
1314 tags = append(tags, t)
1315 }
1316 for _, e := range fixupflags(h) {
1317 t := junk.New()
1318 t["id"] = e.ID
1319 t["type"] = "Emoji"
1320 t["name"] = e.Name
1321 i := junk.New()
1322 i["type"] = "Image"
1323 i["mediaType"] = "image/png"
1324 i["url"] = e.ID
1325 t["icon"] = i
1326 tags = append(tags, t)
1327 }
1328 if len(tags) > 0 {
1329 jo["tag"] = tags
1330 }
1331 if p := h.Place; p != nil {
1332 t := junk.New()
1333 t["type"] = "Place"
1334 if p.Name != "" {
1335 t["name"] = p.Name
1336 }
1337 if p.Latitude != 0 {
1338 t["latitude"] = p.Latitude
1339 }
1340 if p.Longitude != 0 {
1341 t["longitude"] = p.Longitude
1342 }
1343 if p.Url != "" {
1344 t["url"] = p.Url
1345 }
1346 jo["location"] = t
1347 }
1348 if t := h.Time; t != nil {
1349 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1350 if t.Duration != 0 {
1351 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1352 }
1353 }
1354 atts := activatedonks(h.Donks)
1355 if len(atts) > 0 {
1356 jo["attachment"] = atts
1357 }
1358 jo["summary"] = h.Precis
1359 jo["content"] = h.Noise
1360 j["object"] = jo
1361 case "bonk":
1362 j["type"] = "Announce"
1363 if h.Convoy != "" {
1364 j["context"] = h.Convoy
1365 }
1366 j["object"] = h.XID
1367 case "unbonk":
1368 b := junk.New()
1369 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1370 b["type"] = "Announce"
1371 b["actor"] = user.URL
1372 if h.Convoy != "" {
1373 b["context"] = h.Convoy
1374 }
1375 b["object"] = h.XID
1376 j["type"] = "Undo"
1377 j["object"] = b
1378 case "zonk":
1379 j["type"] = "Delete"
1380 j["object"] = h.XID
1381 case "ack":
1382 j["type"] = "Read"
1383 j["object"] = h.XID
1384 if h.Convoy != "" {
1385 j["context"] = h.Convoy
1386 }
1387 case "react":
1388 j["type"] = "EmojiReact"
1389 j["object"] = h.XID
1390 if h.Convoy != "" {
1391 j["context"] = h.Convoy
1392 }
1393 j["content"] = h.Noise
1394 case "deack":
1395 b := junk.New()
1396 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1397 b["type"] = "Read"
1398 b["actor"] = user.URL
1399 b["object"] = h.XID
1400 if h.Convoy != "" {
1401 b["context"] = h.Convoy
1402 }
1403 j["type"] = "Undo"
1404 j["object"] = b
1405 }
1406
1407 return j, jo
1408}
1409
1410var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1411 row := stmtAnyXonk.QueryRow(xid)
1412 honk := scanhonk(row)
1413 if honk == nil || !honk.Public {
1414 return nil, true
1415 }
1416 user, _ := butwhatabout(honk.Username)
1417 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1418 reversehonks(rawhonks)
1419 for _, h := range rawhonks {
1420 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1421 honk.Replies = append(honk.Replies, h)
1422 }
1423 }
1424 donksforhonks([]*Honk{honk})
1425 _, j := jonkjonk(user, honk)
1426 if j == nil {
1427 elog.Fatalf("what just happened? %v", honk)
1428 }
1429 j["@context"] = itiswhatitis
1430
1431 return j.ToBytes(), true
1432}, Limit: 128})
1433
1434func gimmejonk(xid string) ([]byte, bool) {
1435 var j []byte
1436 ok := oldjonks.Get(xid, &j)
1437 return j, ok
1438}
1439
1440func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1441 rcpts := make(map[string]bool)
1442 for _, a := range addresses {
1443 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1444 continue
1445 }
1446 if a[0] == '%' {
1447 rcpts[a] = true
1448 continue
1449 }
1450 var box *Box
1451 ok := boxofboxes.Get(a, &box)
1452 if ok && useshared && box.Shared != "" {
1453 rcpts["%"+box.Shared] = true
1454 } else {
1455 rcpts[a] = true
1456 }
1457 }
1458 return rcpts
1459}
1460
1461func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1462 dt := ch.Date.Format(time.RFC3339)
1463 aud := []string{ch.Target}
1464
1465 jo := junk.New()
1466 jo["id"] = ch.XID
1467 jo["type"] = "ChatMessage"
1468 jo["published"] = dt
1469 jo["attributedTo"] = user.URL
1470 jo["to"] = aud
1471 jo["content"] = ch.HTML
1472 atts := activatedonks(ch.Donks)
1473 if len(atts) > 0 {
1474 jo["attachment"] = atts
1475 }
1476 var tags []junk.Junk
1477 for _, e := range herdofemus(ch.Noise) {
1478 t := junk.New()
1479 t["id"] = e.ID
1480 t["type"] = "Emoji"
1481 t["name"] = e.Name
1482 i := junk.New()
1483 i["type"] = "Image"
1484 i["mediaType"] = e.Type
1485 i["url"] = e.ID
1486 t["icon"] = i
1487 tags = append(tags, t)
1488 }
1489 if len(tags) > 0 {
1490 jo["tag"] = tags
1491 }
1492
1493 j := junk.New()
1494 j["@context"] = itiswhatitis
1495 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1496 j["type"] = "Create"
1497 j["actor"] = user.URL
1498 j["published"] = dt
1499 j["to"] = aud
1500 j["object"] = jo
1501
1502 return j.ToBytes()
1503}
1504
1505func sendchonk(user *WhatAbout, ch *Chonk) {
1506 msg := chonkifymsg(user, ch)
1507
1508 rcpts := make(map[string]bool)
1509 rcpts[ch.Target] = true
1510 for a := range rcpts {
1511 go deliverate(user.ID, a, msg)
1512 }
1513}
1514
1515func honkworldwide(user *WhatAbout, honk *Honk) {
1516 jonk, _ := jonkjonk(user, honk)
1517 jonk["@context"] = itiswhatitis
1518 msg := jonk.ToBytes()
1519
1520 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1521
1522 if honk.Public {
1523 for _, h := range getdubs(user.ID) {
1524 if h.XID == user.URL {
1525 continue
1526 }
1527 var box *Box
1528 ok := boxofboxes.Get(h.XID, &box)
1529 if ok && box.Shared != "" {
1530 rcpts["%"+box.Shared] = true
1531 } else {
1532 rcpts[h.XID] = true
1533 }
1534 }
1535 for _, f := range getbacktracks(honk.XID) {
1536 if f[0] == '%' {
1537 rcpts[f] = true
1538 } else {
1539 var box *Box
1540 ok := boxofboxes.Get(f, &box)
1541 if ok && box.Shared != "" {
1542 rcpts["%"+box.Shared] = true
1543 } else {
1544 rcpts[f] = true
1545 }
1546 }
1547 }
1548 }
1549 for a := range rcpts {
1550 go deliverate(user.ID, a, msg)
1551 }
1552 if honk.Public && len(honk.Onts) > 0 {
1553 collectiveaction(honk)
1554 }
1555}
1556
1557func collectiveaction(honk *Honk) {
1558 user := getserveruser()
1559 for _, ont := range honk.Onts {
1560 dubs := getnameddubs(readyLuserOne, ont)
1561 if len(dubs) == 0 {
1562 continue
1563 }
1564 j := junk.New()
1565 j["@context"] = itiswhatitis
1566 j["type"] = "Add"
1567 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1568 j["actor"] = user.URL
1569 j["object"] = honk.XID
1570 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1571 rcpts := make(map[string]bool)
1572 for _, dub := range dubs {
1573 var box *Box
1574 ok := boxofboxes.Get(dub.XID, &box)
1575 if ok && box.Shared != "" {
1576 rcpts["%"+box.Shared] = true
1577 } else {
1578 rcpts[dub.XID] = true
1579 }
1580 }
1581 msg := j.ToBytes()
1582 for a := range rcpts {
1583 go deliverate(user.ID, a, msg)
1584 }
1585 }
1586}
1587
1588func junkuser(user *WhatAbout) junk.Junk {
1589 j := junk.New()
1590 j["@context"] = itiswhatitis
1591 j["id"] = user.URL
1592 j["inbox"] = user.URL + "/inbox"
1593 j["outbox"] = user.URL + "/outbox"
1594 j["name"] = user.Display
1595 j["preferredUsername"] = user.Name
1596 j["summary"] = user.HTAbout
1597 var tags []junk.Junk
1598 for _, o := range user.Onts {
1599 t := junk.New()
1600 t["type"] = "Hashtag"
1601 o = strings.ToLower(o)
1602 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1603 t["name"] = o
1604 tags = append(tags, t)
1605 }
1606 if len(tags) > 0 {
1607 j["tag"] = tags
1608 }
1609
1610 if user.ID > 0 {
1611 j["type"] = "Person"
1612 j["url"] = user.URL
1613 j["followers"] = user.URL + "/followers"
1614 j["following"] = user.URL + "/following"
1615 a := junk.New()
1616 a["type"] = "Image"
1617 a["mediaType"] = "image/png"
1618 a["url"] = avatarURL(user)
1619 j["icon"] = a
1620 if ban := user.Options.Banner; ban != "" {
1621 a := junk.New()
1622 a["type"] = "Image"
1623 a["mediaType"] = "image/jpg"
1624 a["url"] = ban
1625 j["image"] = a
1626 }
1627 } else {
1628 j["type"] = "Service"
1629 }
1630 k := junk.New()
1631 k["id"] = user.URL + "#key"
1632 k["owner"] = user.URL
1633 k["publicKeyPem"] = user.Key
1634 j["publicKey"] = k
1635
1636 return j
1637}
1638
1639var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1640 user, err := butwhatabout(name)
1641 if err != nil {
1642 return nil, false
1643 }
1644 j := junkuser(user)
1645 return j.ToBytes(), true
1646}, Duration: 1 * time.Minute})
1647
1648func asjonker(name string) ([]byte, bool) {
1649 var j []byte
1650 ok := oldjonkers.Get(name, &j)
1651 return j, ok
1652}
1653
1654var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1655 m := strings.Split(name, "@")
1656 if len(m) != 2 {
1657 dlog.Printf("bad fish name: %s", name)
1658 return "", true
1659 }
1660 var href string
1661 row := stmtGetXonker.QueryRow(name, "fishname")
1662 err := row.Scan(&href)
1663 if err == nil {
1664 return href, true
1665 }
1666 dlog.Printf("fishing for %s", name)
1667 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1668 if err != nil {
1669 ilog.Printf("failed to go fish %s: %s", name, err)
1670 return "", true
1671 }
1672 links, _ := j.GetArray("links")
1673 for _, li := range links {
1674 l, ok := li.(junk.Junk)
1675 if !ok {
1676 continue
1677 }
1678 href, _ := l.GetString("href")
1679 rel, _ := l.GetString("rel")
1680 t, _ := l.GetString("type")
1681 if rel == "self" && friendorfoe(t) {
1682 when := time.Now().UTC().Format(dbtimeformat)
1683 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1684 if err != nil {
1685 elog.Printf("error saving fishname: %s", err)
1686 }
1687 return href, true
1688 }
1689 }
1690 return href, true
1691}, Duration: 1 * time.Minute})
1692
1693func gofish(name string) string {
1694 if name[0] == '@' {
1695 name = name[1:]
1696 }
1697 var href string
1698 handfull.Get(name, &href)
1699 return href
1700}
1701
1702func investigate(name string) (*SomeThing, error) {
1703 if name == "" {
1704 return nil, fmt.Errorf("no name")
1705 }
1706 if name[0] == '@' {
1707 name = gofish(name)
1708 }
1709 if name == "" {
1710 return nil, fmt.Errorf("no name")
1711 }
1712 obj, err := GetJunkFast(readyLuserOne, name)
1713 if err != nil {
1714 return nil, err
1715 }
1716 allinjest(originate(name), obj)
1717 return somethingabout(obj)
1718}
1719
1720func somethingabout(obj junk.Junk) (*SomeThing, error) {
1721 info := new(SomeThing)
1722 t, _ := obj.GetString("type")
1723 isowned := false
1724 switch t {
1725 case "Person":
1726 fallthrough
1727 case "Group":
1728 fallthrough
1729 case "Organization":
1730 fallthrough
1731 case "Application":
1732 fallthrough
1733 case "Service":
1734 info.What = SomeActor
1735 case "OrderedCollection":
1736 isowned = true
1737 fallthrough
1738 case "Collection":
1739 info.What = SomeCollection
1740 default:
1741 return nil, fmt.Errorf("unknown object type")
1742 }
1743 info.XID, _ = obj.GetString("id")
1744 info.Name, _ = obj.GetString("preferredUsername")
1745 if info.Name == "" {
1746 info.Name, _ = obj.GetString("name")
1747 }
1748 if isowned {
1749 info.Owner, _ = obj.GetString("attributedTo")
1750 }
1751 if info.Owner == "" {
1752 info.Owner = info.XID
1753 }
1754 return info, nil
1755}
1756
1757func allinjest(origin string, obj junk.Junk) {
1758 keyobj, ok := obj.GetMap("publicKey")
1759 if ok {
1760 ingestpubkey(origin, keyobj)
1761 }
1762 ingestboxes(origin, obj)
1763 ingesthandle(origin, obj)
1764}
1765
1766func ingestpubkey(origin string, obj junk.Junk) {
1767 keyobj, ok := obj.GetMap("publicKey")
1768 if ok {
1769 obj = keyobj
1770 }
1771 keyname, ok := obj.GetString("id")
1772 var data string
1773 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1774 err := row.Scan(&data)
1775 if err == nil {
1776 return
1777 }
1778 if !ok || origin != originate(keyname) {
1779 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1780 return
1781 }
1782 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1783 owner, ok := obj.GetString("owner")
1784 if !ok {
1785 ilog.Printf("error finding %s pubkey owner", keyname)
1786 return
1787 }
1788 data, ok = obj.GetString("publicKeyPem")
1789 if !ok {
1790 ilog.Printf("error finding %s pubkey", keyname)
1791 return
1792 }
1793 if originate(owner) != origin {
1794 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1795 return
1796 }
1797 _, _, err = httpsig.DecodeKey(data)
1798 if err != nil {
1799 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1800 return
1801 }
1802 when := time.Now().UTC().Format(dbtimeformat)
1803 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1804 if err != nil {
1805 elog.Printf("error saving key: %s", err)
1806 }
1807}
1808
1809func ingestboxes(origin string, obj junk.Junk) {
1810 ident, _ := obj.GetString("id")
1811 if ident == "" {
1812 return
1813 }
1814 if originate(ident) != origin {
1815 return
1816 }
1817 var info string
1818 row := stmtGetXonker.QueryRow(ident, "boxes")
1819 err := row.Scan(&info)
1820 if err == nil {
1821 return
1822 }
1823 dlog.Printf("ingesting boxes: %s", ident)
1824 inbox, _ := obj.GetString("inbox")
1825 outbox, _ := obj.GetString("outbox")
1826 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1827 if inbox != "" {
1828 when := time.Now().UTC().Format(dbtimeformat)
1829 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1830 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1831 if err != nil {
1832 elog.Printf("error saving boxes: %s", err)
1833 }
1834 }
1835}
1836
1837func ingesthandle(origin string, obj junk.Junk) {
1838 xid, _ := obj.GetString("id")
1839 if xid == "" {
1840 return
1841 }
1842 if originate(xid) != origin {
1843 return
1844 }
1845 var handle string
1846 row := stmtGetXonker.QueryRow(xid, "handle")
1847 err := row.Scan(&handle)
1848 if err == nil {
1849 return
1850 }
1851 handle, _ = obj.GetString("preferredUsername")
1852 if handle != "" {
1853 when := time.Now().UTC().Format(dbtimeformat)
1854 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1855 if err != nil {
1856 elog.Printf("error saving handle: %s", err)
1857 }
1858 }
1859}
1860
1861func updateMe(username string) {
1862 var user *WhatAbout
1863 somenamedusers.Get(username, &user)
1864 dt := time.Now().UTC().Format(time.RFC3339)
1865 j := junk.New()
1866 j["@context"] = itiswhatitis
1867 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1868 j["actor"] = user.URL
1869 j["published"] = dt
1870 j["to"] = thewholeworld
1871 j["type"] = "Update"
1872 j["object"] = junkuser(user)
1873
1874 msg := j.ToBytes()
1875
1876 rcpts := make(map[string]bool)
1877 for _, f := range getdubs(user.ID) {
1878 if f.XID == user.URL {
1879 continue
1880 }
1881 var box *Box
1882 boxofboxes.Get(f.XID, &box)
1883 if box != nil && box.Shared != "" {
1884 rcpts["%"+box.Shared] = true
1885 } else {
1886 rcpts[f.XID] = true
1887 }
1888 }
1889 for a := range rcpts {
1890 go deliverate(user.ID, a, msg)
1891 }
1892}
1893
1894func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1895 folxid, _ := j.GetString("id")
1896
1897 ilog.Printf("updating honker follow: %s %s", who, folxid)
1898
1899 var x string
1900 db := opendatabase()
1901 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1902 err := row.Scan(&x)
1903 if err != sql.ErrNoRows {
1904 ilog.Printf("duplicate follow request: %s", who)
1905 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1906 if err != nil {
1907 elog.Printf("error updating honker: %s", err)
1908 }
1909 } else {
1910 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1911 }
1912 go rubadubdub(user, j)
1913}
1914
1915func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1916 var folxid string
1917 if who == "" {
1918 folxid, _ = j.GetString("object")
1919
1920 db := opendatabase()
1921 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1922 err := row.Scan(&who, &name)
1923 if err != nil {
1924 if err != sql.ErrNoRows {
1925 elog.Printf("error scanning honker: %s", err)
1926 }
1927 return
1928 }
1929 }
1930
1931 ilog.Printf("updating honker undo: %s %s", who, folxid)
1932 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1933 if err != nil {
1934 elog.Printf("error updating honker: %s", err)
1935 return
1936 }
1937}
1938
1939func followyou(user *WhatAbout, honkerid int64, sync bool) {
1940 var url, owner string
1941 db := opendatabase()
1942 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1943 honkerid, user.ID)
1944 err := row.Scan(&url, &owner)
1945 if err != nil {
1946 elog.Printf("can't get honker xid: %s", err)
1947 return
1948 }
1949 folxid := xfiltrate()
1950 ilog.Printf("subscribing to %s", url)
1951 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1952 if err != nil {
1953 elog.Printf("error updating honker: %s", err)
1954 return
1955 }
1956 if sync {
1957 subsub(user, url, owner, folxid)
1958 } else {
1959 go subsub(user, url, owner, folxid)
1960 }
1961
1962}
1963func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1964 db := opendatabase()
1965 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1966 honkerid, user.ID)
1967 var url, owner, folxid, flavor string
1968 err := row.Scan(&url, &owner, &folxid, &flavor)
1969 if err != nil {
1970 elog.Printf("can't get honker xid: %s", err)
1971 return
1972 }
1973 if flavor == "peep" {
1974 return
1975 }
1976 ilog.Printf("unsubscribing from %s", url)
1977 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1978 if err != nil {
1979 elog.Printf("error updating honker: %s", err)
1980 return
1981 }
1982 if sync {
1983 itakeitallback(user, url, owner, folxid)
1984 } else {
1985 go itakeitallback(user, url, owner, folxid)
1986 }
1987}
1988
1989func followyou2(user *WhatAbout, j junk.Junk) {
1990 who, _ := j.GetString("actor")
1991
1992 ilog.Printf("updating honker accept: %s", who)
1993 db := opendatabase()
1994 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
1995 user.ID, who)
1996 var name, folxid string
1997 err := row.Scan(&name, &folxid)
1998 if err != nil {
1999 elog.Printf("can't get honker name: %s", err)
2000 return
2001 }
2002 _, err = stmtUpdateFlavor.Exec("sub", folxid, user.ID, name, who, "presub")
2003 if err != nil {
2004 elog.Printf("error updating honker: %s", err)
2005 return
2006 }
2007}
2008
2009func nofollowyou2(user *WhatAbout, j junk.Junk) {
2010 who, _ := j.GetString("actor")
2011
2012 ilog.Printf("updating honker reject: %s", who)
2013 db := opendatabase()
2014 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2015 user.ID, who)
2016 var name, folxid string
2017 err := row.Scan(&name, &folxid)
2018 if err != nil {
2019 elog.Printf("can't get honker name: %s", err)
2020 return
2021 }
2022 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2023 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2024 if err != nil {
2025 elog.Printf("error updating honker: %s", err)
2026 return
2027 }
2028}