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 GetJunkTimeout(userid int64, url string, timeout time.Duration) (junk.Junk, error) {
136 client := http.DefaultClient
137 sign := func(req *http.Request) error {
138 var ki *KeyInfo
139 ok := ziggies.Get(userid, &ki)
140 if ok {
141 httpsig.SignRequest(ki.keyname, ki.seckey, req, nil)
142 }
143 return nil
144 }
145 if develMode {
146 client = develClient
147 sign = nil
148 }
149 fn := func() (interface{}, error) {
150 at := thefakename
151 if strings.Contains(url, ".well-known/webfinger?resource") {
152 at = "application/jrd+json"
153 }
154 j, err := junk.Get(url, junk.GetArgs{
155 Accept: at,
156 Agent: "honksnonk/5.0; " + serverName,
157 Timeout: timeout,
158 Client: client,
159 Fixup: sign,
160 })
161 return j, err
162 }
163
164 ji, err := flightdeck.Call(url, fn)
165 if err != nil {
166 return nil, err
167 }
168 j := ji.(junk.Junk)
169 return j, nil
170}
171
172func fetchsome(url string) ([]byte, error) {
173 client := http.DefaultClient
174 if develMode {
175 client = develClient
176 }
177 req, err := http.NewRequest("GET", url, nil)
178 if err != nil {
179 ilog.Printf("error fetching %s: %s", url, err)
180 return nil, err
181 }
182 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
183 ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
184 defer cancel()
185 req = req.WithContext(ctx)
186 resp, err := client.Do(req)
187 if err != nil {
188 ilog.Printf("error fetching %s: %s", url, err)
189 return nil, err
190 }
191 defer resp.Body.Close()
192 switch resp.StatusCode {
193 case 200:
194 case 201:
195 case 202:
196 default:
197 return nil, fmt.Errorf("http get not 200: %d %s", resp.StatusCode, url)
198 }
199 var buf bytes.Buffer
200 limiter := io.LimitReader(resp.Body, 10*1024*1024)
201 io.Copy(&buf, limiter)
202 return buf.Bytes(), nil
203}
204
205func savedonk(url string, name, desc, media string, localize bool) *Donk {
206 if url == "" {
207 return nil
208 }
209 if donk := finddonk(url); donk != nil {
210 return donk
211 }
212 ilog.Printf("saving donk: %s", url)
213 data := []byte{}
214 if localize {
215 fn := func() (interface{}, error) {
216 return fetchsome(url)
217 }
218 ii, err := flightdeck.Call(url, fn)
219 if err != nil {
220 ilog.Printf("error fetching donk: %s", err)
221 localize = false
222 goto saveit
223 }
224 data = ii.([]byte)
225
226 if len(data) == 10*1024*1024 {
227 ilog.Printf("truncation likely")
228 }
229 if strings.HasPrefix(media, "image") {
230 img, err := shrinkit(data)
231 if err != nil {
232 ilog.Printf("unable to decode image: %s", err)
233 localize = false
234 data = []byte{}
235 goto saveit
236 }
237 data = img.Data
238 media = "image/" + img.Format
239 } else if media == "application/pdf" {
240 if len(data) > 1000000 {
241 ilog.Printf("not saving large pdf")
242 localize = false
243 data = []byte{}
244 }
245 } else if len(data) > 100000 {
246 ilog.Printf("not saving large attachment")
247 localize = false
248 data = []byte{}
249 }
250 }
251saveit:
252 fileid, err := savefile(name, desc, url, media, localize, data)
253 if err != nil {
254 elog.Printf("error saving file %s: %s", url, err)
255 return nil
256 }
257 donk := new(Donk)
258 donk.FileID = fileid
259 return donk
260}
261
262func iszonked(userid int64, xid string) bool {
263 var id int64
264 row := stmtFindZonk.QueryRow(userid, xid)
265 err := row.Scan(&id)
266 if err == nil {
267 return true
268 }
269 if err != sql.ErrNoRows {
270 ilog.Printf("error querying zonk: %s", err)
271 }
272 return false
273}
274
275func needxonk(user *WhatAbout, x *Honk) bool {
276 if rejectxonk(x) {
277 return false
278 }
279 return needxonkid(user, x.XID)
280}
281func needbonkid(user *WhatAbout, xid string) bool {
282 return needxonkidX(user, xid, true)
283}
284func needxonkid(user *WhatAbout, xid string) bool {
285 return needxonkidX(user, xid, false)
286}
287func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
288 if !strings.HasPrefix(xid, "https://") {
289 return false
290 }
291 if strings.HasPrefix(xid, user.URL+"/") {
292 return false
293 }
294 if rejectorigin(user.ID, xid, isannounce) {
295 ilog.Printf("rejecting origin: %s", xid)
296 return false
297 }
298 if iszonked(user.ID, xid) {
299 ilog.Printf("already zonked: %s", xid)
300 return false
301 }
302 var id int64
303 row := stmtFindXonk.QueryRow(user.ID, xid)
304 err := row.Scan(&id)
305 if err == nil {
306 return false
307 }
308 if err != sql.ErrNoRows {
309 ilog.Printf("error querying xonk: %s", err)
310 }
311 return true
312}
313
314func eradicatexonk(userid int64, xid string) {
315 xonk := getxonk(userid, xid)
316 if xonk != nil {
317 deletehonk(xonk.ID)
318 _, err := stmtSaveZonker.Exec(userid, xid, "zonk")
319 if err != nil {
320 elog.Printf("error eradicating: %s", err)
321 }
322 }
323}
324
325func savexonk(x *Honk) {
326 ilog.Printf("saving xonk: %s", x.XID)
327 go handles(x.Honker)
328 go handles(x.Oonker)
329 savehonk(x)
330}
331
332type Box struct {
333 In string
334 Out string
335 Shared string
336}
337
338var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
339 var info string
340 row := stmtGetXonker.QueryRow(ident, "boxes")
341 err := row.Scan(&info)
342 if err != nil {
343 dlog.Printf("need to get boxes for %s", ident)
344 var j junk.Junk
345 j, err = GetJunk(readyLuserOne, ident)
346 if err != nil {
347 dlog.Printf("error getting boxes: %s", err)
348 return nil, false
349 }
350 allinjest(originate(ident), j)
351 row = stmtGetXonker.QueryRow(ident, "boxes")
352 err = row.Scan(&info)
353 }
354 if err == nil {
355 m := strings.Split(info, " ")
356 b := &Box{In: m[0], Out: m[1], Shared: m[2]}
357 return b, true
358 }
359 return nil, false
360}})
361
362func gimmexonks(user *WhatAbout, outbox string) {
363 dlog.Printf("getting outbox: %s", outbox)
364 j, err := GetJunk(user.ID, outbox)
365 if err != nil {
366 ilog.Printf("error getting outbox: %s", err)
367 return
368 }
369 t, _ := j.GetString("type")
370 origin := originate(outbox)
371 if t == "OrderedCollection" {
372 items, _ := j.GetArray("orderedItems")
373 if items == nil {
374 items, _ = j.GetArray("items")
375 }
376 if items == nil {
377 obj, ok := j.GetMap("first")
378 if ok {
379 items, _ = obj.GetArray("orderedItems")
380 } else {
381 page1, ok := j.GetString("first")
382 if ok {
383 j, err = GetJunk(user.ID, page1)
384 if err != nil {
385 ilog.Printf("error getting page1: %s", err)
386 return
387 }
388 items, _ = j.GetArray("orderedItems")
389 }
390 }
391 }
392 if len(items) > 20 {
393 items = items[0:20]
394 }
395 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
396 items[i], items[j] = items[j], items[i]
397 }
398 for _, item := range items {
399 obj, ok := item.(junk.Junk)
400 if ok {
401 xonksaver(user, obj, origin)
402 continue
403 }
404 xid, ok := item.(string)
405 if ok {
406 if !needxonkid(user, xid) {
407 continue
408 }
409 obj, err = GetJunk(user.ID, xid)
410 if err != nil {
411 ilog.Printf("error getting item: %s", err)
412 continue
413 }
414 xonksaver(user, obj, originate(xid))
415 }
416 }
417 }
418}
419
420func newphone(a []string, obj junk.Junk) []string {
421 for _, addr := range []string{"to", "cc", "attributedTo"} {
422 who, _ := obj.GetString(addr)
423 if who != "" {
424 a = append(a, who)
425 }
426 whos, _ := obj.GetArray(addr)
427 for _, w := range whos {
428 who, _ := w.(string)
429 if who != "" {
430 a = append(a, who)
431 }
432 }
433 }
434 return a
435}
436
437func extractattrto(obj junk.Junk) string {
438 arr := oneforall(obj, "attributedTo")
439 for _, a := range arr {
440 s, ok := a.(string)
441 if ok {
442 return s
443 }
444 o, ok := a.(junk.Junk)
445 if ok {
446 t, _ := o.GetString("type")
447 id, _ := o.GetString("id")
448 if t == "Person" || t == "" {
449 return id
450 }
451 }
452 }
453 return ""
454}
455
456func oneforall(obj junk.Junk, key string) []interface{} {
457 if val, ok := obj.GetMap(key); ok {
458 return []interface{}{val}
459 }
460 if str, ok := obj.GetString(key); ok {
461 return []interface{}{str}
462 }
463 arr, _ := obj.GetArray(key)
464 return arr
465}
466
467func firstofmany(obj junk.Junk, key string) string {
468 if val, _ := obj.GetString(key); val != "" {
469 return val
470 }
471 if arr, _ := obj.GetArray(key); len(arr) > 0 {
472 val, ok := arr[0].(string)
473 if ok {
474 return val
475 }
476 }
477 return ""
478}
479
480var re_mast0link = regexp.MustCompile(`https://[[:alnum:].]+/users/[[:alnum:]]+/statuses/[[:digit:]]+`)
481var re_masto1ink = regexp.MustCompile(`https://([[:alnum:].]+)/@([[:alnum:]]+)/([[:digit:]]+)`)
482var re_misslink = regexp.MustCompile(`https://[[:alnum:].]+/notes/[[:alnum:]]+`)
483var re_honklink = regexp.MustCompile(`https://[[:alnum:].]+/u/[[:alnum:]]+/h/[[:alnum:]]+`)
484var re_r0malink = regexp.MustCompile(`https://[[:alnum:].]+/objects/[[:alnum:]-]+`)
485var re_roma1ink = regexp.MustCompile(`https://[[:alnum:].]+/notice/[[:alnum:]]+`)
486var re_qtlinks = regexp.MustCompile(`>https://[^\s<]+<`)
487
488func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
489 depth := 0
490 maxdepth := 10
491 currenttid := ""
492 goingup := 0
493 var xonkxonkfn func(junk.Junk, string, bool, bool) *Honk
494
495 qutify := func(user *WhatAbout, content string) string {
496 if depth >= maxdepth {
497 ilog.Printf("in too deep")
498 return content
499 }
500 // well this is gross
501 malcontent := strings.ReplaceAll(content, `</span><span class="ellipsis">`, "")
502 malcontent = strings.ReplaceAll(malcontent, `</span><span class="invisible">`, "")
503 mlinks := re_qtlinks.FindAllString(malcontent, -1)
504 for _, m := range mlinks {
505 tryit := false
506 m = m[1 : len(m)-1]
507 if re_mast0link.MatchString(m) || re_misslink.MatchString(m) ||
508 re_honklink.MatchString(m) || re_r0malink.MatchString(m) ||
509 re_roma1ink.MatchString(m) {
510 tryit = true
511 } else if re_masto1ink.MatchString(m) {
512 m = re_masto1ink.ReplaceAllString(m, "https://$1/users/$2/statuses/$3")
513 tryit = true
514 }
515 if tryit {
516 if x := getxonk(user.ID, m); x != nil {
517 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, x.Noise)
518 } else if j, err := GetJunk(user.ID, m); err == nil {
519 q, ok := j.GetString("content")
520 if ok {
521 content = fmt.Sprintf("%s<blockquote>%s</blockquote>", content, q)
522 }
523 prevdepth := depth
524 depth = maxdepth
525 xonkxonkfn(j, originate(m), false, false)
526 depth = prevdepth
527 }
528 }
529 }
530 return content
531 }
532
533 saveonemore := func(xid string) {
534 dlog.Printf("getting onemore: %s", xid)
535 if depth >= maxdepth {
536 ilog.Printf("in too deep")
537 return
538 }
539 obj, err := GetJunkHardMode(user.ID, xid)
540 if err != nil {
541 ilog.Printf("error getting onemore: %s: %s", xid, err)
542 return
543 }
544 xonkxonkfn(obj, originate(xid), false, false)
545 }
546
547 xonkxonkfn = func(item junk.Junk, origin string, isUpdate bool, isAnnounce bool) *Honk {
548 id, _ := item.GetString("id")
549 what := firstofmany(item, "type")
550 dt, ok := item.GetString("published")
551 if !ok {
552 dt = time.Now().Format(time.RFC3339)
553 }
554 if depth >= maxdepth+5 {
555 ilog.Printf("went too deep in xonkxonk")
556 return nil
557 }
558 depth++
559 defer func() { depth-- }()
560
561 var err error
562 var xid, rid, url, convoy string
563 var replies []string
564 var obj junk.Junk
565 waspage := false
566 preferorig := false
567 switch what {
568 case "Delete":
569 obj, ok = item.GetMap("object")
570 if ok {
571 xid, _ = obj.GetString("id")
572 } else {
573 xid, _ = item.GetString("object")
574 }
575 if xid == "" {
576 return nil
577 }
578 if originate(xid) != origin {
579 ilog.Printf("forged delete: %s", xid)
580 return nil
581 }
582 ilog.Printf("eradicating %s", xid)
583 eradicatexonk(user.ID, xid)
584 return nil
585 case "Remove":
586 xid, _ = item.GetString("object")
587 targ, _ := obj.GetString("target")
588 ilog.Printf("remove %s from %s", obj, targ)
589 return nil
590 case "Tombstone":
591 xid, _ = item.GetString("id")
592 if xid == "" {
593 return nil
594 }
595 if originate(xid) != origin {
596 ilog.Printf("forged delete: %s", xid)
597 return nil
598 }
599 ilog.Printf("eradicating %s", xid)
600 eradicatexonk(user.ID, xid)
601 return nil
602 case "Announce":
603 obj, ok = item.GetMap("object")
604 if ok {
605 // peek ahead some
606 what, ok := obj.GetString("type")
607 if ok && (what == "Create" || what == "Update") {
608 if what == "Update" {
609 isUpdate = true
610 }
611 inner, ok := obj.GetMap("object")
612 if ok {
613 obj = inner
614 } else {
615 xid, _ = obj.GetString("object")
616 }
617 }
618 if xid == "" {
619 xid, _ = obj.GetString("id")
620 }
621 } else {
622 xid, _ = item.GetString("object")
623 }
624 if !isUpdate && !needbonkid(user, xid) {
625 return nil
626 }
627 origin = originate(xid)
628 if ok && originate(id) == origin {
629 dlog.Printf("using object in announce for %s", xid)
630 } else {
631 dlog.Printf("getting bonk: %s", xid)
632 obj, err = GetJunkHardMode(user.ID, xid)
633 if err != nil {
634 ilog.Printf("error getting bonk: %s: %s", xid, err)
635 }
636 }
637 return xonkxonkfn(obj, origin, isUpdate, true)
638 case "Update":
639 isUpdate = true
640 fallthrough
641 case "Create":
642 obj, ok = item.GetMap("object")
643 if !ok {
644 xid, _ = item.GetString("object")
645 dlog.Printf("getting created honk: %s", xid)
646 if originate(xid) != origin {
647 ilog.Printf("out of bounds %s not from %s", xid, origin)
648 return nil
649 }
650 obj, err = GetJunkHardMode(user.ID, xid)
651 if err != nil {
652 ilog.Printf("error getting creation: %s", err)
653 }
654 }
655 if obj == nil {
656 ilog.Printf("no object for creation %s", id)
657 return nil
658 }
659 return xonkxonkfn(obj, origin, isUpdate, isAnnounce)
660 case "Read":
661 xid, ok = item.GetString("object")
662 if ok {
663 if !needxonkid(user, xid) {
664 dlog.Printf("don't need read obj: %s", xid)
665 return nil
666 }
667 obj, err = GetJunkHardMode(user.ID, xid)
668 if err != nil {
669 ilog.Printf("error getting read: %s", err)
670 return nil
671 }
672 return xonkxonkfn(obj, originate(xid), false, false)
673 }
674 return nil
675 case "Add":
676 xid, ok = item.GetString("object")
677 if ok {
678 // check target...
679 if !needxonkid(user, xid) {
680 dlog.Printf("don't need added obj: %s", xid)
681 return nil
682 }
683 obj, err = GetJunkHardMode(user.ID, xid)
684 if err != nil {
685 ilog.Printf("error getting add: %s", err)
686 return nil
687 }
688 return xonkxonkfn(obj, originate(xid), false, false)
689 }
690 return nil
691 case "Move":
692 obj = item
693 what = "move"
694 case "Page":
695 waspage = true
696 fallthrough
697 case "Audio":
698 fallthrough
699 case "Image":
700 if what == "Image" {
701 preferorig = true
702 }
703 fallthrough
704 case "Video":
705 fallthrough
706 case "Question":
707 fallthrough
708 case "Note":
709 fallthrough
710 case "Article":
711 obj = item
712 what = "honk"
713 case "Event":
714 obj = item
715 what = "event"
716 case "ChatMessage":
717 isAnnounce = false
718 obj = item
719 what = "chonk"
720 default:
721 ilog.Printf("unknown activity: %s", what)
722 dumpactivity(item)
723 return nil
724 }
725 if isAnnounce {
726 what = "bonk"
727 }
728
729 if obj != nil {
730 xid, _ = obj.GetString("id")
731 }
732
733 if xid == "" {
734 ilog.Printf("don't know what xid is")
735 item.Write(ilog.Writer())
736 return nil
737 }
738 if originate(xid) != origin {
739 if !develMode && origin != "" {
740 ilog.Printf("original sin: %s not from %s", xid, origin)
741 item.Write(ilog.Writer())
742 return nil
743 }
744 }
745
746 var xonk Honk
747 // early init
748 xonk.XID = xid
749 xonk.UserID = user.ID
750 xonk.Honker, _ = item.GetString("actor")
751 if xonk.Honker == "" {
752 xonk.Honker, _ = item.GetString("attributedTo")
753 }
754 if obj != nil {
755 if xonk.Honker == "" {
756 xonk.Honker = extractattrto(obj)
757 }
758 xonk.Oonker = extractattrto(obj)
759 if xonk.Oonker == xonk.Honker {
760 xonk.Oonker = ""
761 }
762 xonk.Audience = newphone(nil, obj)
763 }
764 xonk.Audience = append(xonk.Audience, xonk.Honker)
765 xonk.Audience = oneofakind(xonk.Audience)
766 xonk.Public = loudandproud(xonk.Audience)
767
768 var mentions []Mention
769 if obj != nil {
770 ot, _ := obj.GetString("type")
771 url, _ = obj.GetString("url")
772 if dt2, ok := obj.GetString("published"); ok {
773 dt = dt2
774 }
775 content, _ := obj.GetString("content")
776 if !strings.HasPrefix(content, "<p>") {
777 content = "<p>" + content
778 }
779 precis, _ := obj.GetString("summary")
780 if name, ok := obj.GetString("name"); ok {
781 if precis != "" {
782 content = precis + "<p>" + content
783 }
784 precis = html.EscapeString(name)
785 }
786 if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
787 precis = "unspecified horror"
788 }
789 if waspage {
790 content += fmt.Sprintf(`<p><a href="%s">%s</a>`, url, url)
791 url = xid
792 }
793 if user.Options.InlineQuotes {
794 content = qutify(user, content)
795 }
796 rid, ok = obj.GetString("inReplyTo")
797 if !ok {
798 if robj, ok := obj.GetMap("inReplyTo"); ok {
799 rid, _ = robj.GetString("id")
800 }
801 }
802 convoy, _ = obj.GetString("context")
803 if convoy == "" {
804 convoy, _ = obj.GetString("conversation")
805 }
806 if ot == "Question" {
807 if what == "honk" {
808 what = "qonk"
809 }
810 content += "<ul>"
811 ans, _ := obj.GetArray("oneOf")
812 for _, ai := range ans {
813 a, ok := ai.(junk.Junk)
814 if !ok {
815 continue
816 }
817 as, _ := a.GetString("name")
818 content += "<li>" + as
819 }
820 ans, _ = obj.GetArray("anyOf")
821 for _, ai := range ans {
822 a, ok := ai.(junk.Junk)
823 if !ok {
824 continue
825 }
826 as, _ := a.GetString("name")
827 content += "<li>" + as
828 }
829 content += "</ul>"
830 }
831 if ot == "Move" {
832 targ, _ := obj.GetString("target")
833 content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
834 }
835 if len(content) > 90001 {
836 ilog.Printf("content too long. truncating")
837 content = content[:90001]
838 }
839
840 xonk.Noise = content
841 xonk.Precis = precis
842 if rejectxonk(&xonk) {
843 dlog.Printf("fast reject: %s", xid)
844 return nil
845 }
846
847 numatts := 0
848 procatt := func(att junk.Junk) {
849 at, _ := att.GetString("type")
850 mt, _ := att.GetString("mediaType")
851 if mt == "" {
852 mt = "image"
853 }
854 u, ok := att.GetString("url")
855 if !ok {
856 u, ok = att.GetString("href")
857 }
858 if !ok {
859 if ua, ok := att.GetArray("url"); ok && len(ua) > 0 {
860 u, ok = ua[0].(string)
861 if !ok {
862 if uu, ok := ua[0].(junk.Junk); ok {
863 u, _ = uu.GetString("href")
864 if mt == "" {
865 mt, _ = uu.GetString("mediaType")
866 }
867 }
868 }
869 } else if uu, ok := att.GetMap("url"); ok {
870 u, _ = uu.GetString("href")
871 if mt == "" {
872 mt, _ = uu.GetString("mediaType")
873 }
874 }
875 }
876 name, _ := att.GetString("name")
877 desc, _ := att.GetString("summary")
878 desc = html.UnescapeString(desc)
879 if desc == "" {
880 desc = name
881 }
882 localize := false
883 if at == "Document" || at == "Image" {
884 mt = strings.ToLower(mt)
885 dlog.Printf("attachment: %s %s", mt, u)
886 if mt == "text/plain" || mt == "application/pdf" ||
887 strings.HasPrefix(mt, "image") {
888 if numatts > 4 {
889 ilog.Printf("excessive attachment: %s", at)
890 } else {
891 localize = true
892 }
893 }
894 } else if at == "Link" {
895 if waspage {
896 xonk.Noise += fmt.Sprintf(`<p><a href="%s">%s</a>`, u, u)
897 return
898 }
899 if name == "" {
900 name = u
901 }
902 } else {
903 ilog.Printf("unknown attachment: %s", at)
904 }
905 if skipMedia(&xonk) {
906 localize = false
907 }
908 if preferorig && !localize {
909 return
910 }
911 donk := savedonk(u, name, desc, mt, localize)
912 if donk != nil {
913 xonk.Donks = append(xonk.Donks, donk)
914 }
915 numatts++
916 }
917 if img, ok := obj.GetMap("image"); ok {
918 procatt(img)
919 }
920 if preferorig {
921 atts, _ := obj.GetArray("url")
922 for _, atti := range atts {
923 att, ok := atti.(junk.Junk)
924 if !ok {
925 ilog.Printf("attachment that wasn't map?")
926 continue
927 }
928 procatt(att)
929 }
930 if numatts == 0 {
931 preferorig = false
932 }
933 }
934 if !preferorig {
935 atts := oneforall(obj, "attachment")
936 for _, atti := range atts {
937 att, ok := atti.(junk.Junk)
938 if !ok {
939 ilog.Printf("attachment that wasn't map?")
940 continue
941 }
942 procatt(att)
943 }
944 }
945 proctag := func(tag junk.Junk) {
946 tt, _ := tag.GetString("type")
947 name, _ := tag.GetString("name")
948 desc, _ := tag.GetString("summary")
949 desc = html.UnescapeString(desc)
950 if desc == "" {
951 desc = name
952 }
953 if tt == "Emoji" {
954 icon, _ := tag.GetMap("icon")
955 mt, _ := icon.GetString("mediaType")
956 if mt == "" {
957 mt = "image/png"
958 }
959 u, _ := icon.GetString("url")
960 donk := savedonk(u, name, desc, mt, true)
961 if donk != nil {
962 xonk.Donks = append(xonk.Donks, donk)
963 }
964 }
965 if tt == "Hashtag" {
966 if name == "" || name == "#" {
967 // skip it
968 } else {
969 if name[0] != '#' {
970 name = "#" + name
971 }
972 xonk.Onts = append(xonk.Onts, name)
973 }
974 }
975 if tt == "Place" {
976 p := new(Place)
977 p.Name = name
978 p.Latitude, _ = tag.GetNumber("latitude")
979 p.Longitude, _ = tag.GetNumber("longitude")
980 p.Url, _ = tag.GetString("url")
981 xonk.Place = p
982 }
983 if tt == "Mention" {
984 var m Mention
985 m.Who, _ = tag.GetString("name")
986 m.Where, _ = tag.GetString("href")
987 mentions = append(mentions, m)
988 }
989 }
990 tags := oneforall(obj, "tag")
991 for _, tagi := range tags {
992 tag, ok := tagi.(junk.Junk)
993 if !ok {
994 continue
995 }
996 proctag(tag)
997 }
998 if starttime, ok := obj.GetString("startTime"); ok {
999 if start, err := time.Parse(time.RFC3339, starttime); err == nil {
1000 t := new(Time)
1001 t.StartTime = start
1002 endtime, _ := obj.GetString("endTime")
1003 t.EndTime, _ = time.Parse(time.RFC3339, endtime)
1004 dura, _ := obj.GetString("duration")
1005 if strings.HasPrefix(dura, "PT") {
1006 dura = strings.ToLower(dura[2:])
1007 d, _ := time.ParseDuration(dura)
1008 t.Duration = Duration(d)
1009 }
1010 xonk.Time = t
1011 }
1012 }
1013 if loca, ok := obj.GetMap("location"); ok {
1014 if tt, _ := loca.GetString("type"); tt == "Place" {
1015 p := new(Place)
1016 p.Name, _ = loca.GetString("name")
1017 p.Latitude, _ = loca.GetNumber("latitude")
1018 p.Longitude, _ = loca.GetNumber("longitude")
1019 p.Url, _ = loca.GetString("url")
1020 xonk.Place = p
1021 }
1022 }
1023
1024 xonk.Onts = oneofakind(xonk.Onts)
1025 replyobj, ok := obj.GetMap("replies")
1026 if ok {
1027 items, ok := replyobj.GetArray("items")
1028 if !ok {
1029 first, ok := replyobj.GetMap("first")
1030 if ok {
1031 items, _ = first.GetArray("items")
1032 }
1033 }
1034 for _, repl := range items {
1035 s, ok := repl.(string)
1036 if ok {
1037 replies = append(replies, s)
1038 }
1039 }
1040 }
1041
1042 }
1043
1044 if currenttid == "" {
1045 currenttid = convoy
1046 }
1047
1048 // init xonk
1049 xonk.What = what
1050 xonk.RID = rid
1051 xonk.Date, _ = time.Parse(time.RFC3339, dt)
1052 xonk.URL = url
1053 xonk.Format = "html"
1054 xonk.Convoy = convoy
1055 xonk.Mentions = mentions
1056 for _, m := range mentions {
1057 if m.Where == user.URL {
1058 xonk.Whofore = 1
1059 }
1060 }
1061 imaginate(&xonk)
1062
1063 if what == "chonk" {
1064 target, _ := obj.GetString("to")
1065 if target == user.URL {
1066 target = xonk.Honker
1067 }
1068 ch := Chonk{
1069 UserID: xonk.UserID,
1070 XID: xid,
1071 Who: xonk.Honker,
1072 Target: target,
1073 Date: xonk.Date,
1074 Noise: xonk.Noise,
1075 Format: xonk.Format,
1076 Donks: xonk.Donks,
1077 }
1078 savechonk(&ch)
1079 return nil
1080 }
1081
1082 if isUpdate {
1083 dlog.Printf("something has changed! %s", xonk.XID)
1084 prev := getxonk(user.ID, xonk.XID)
1085 if prev == nil {
1086 ilog.Printf("didn't find old version for update: %s", xonk.XID)
1087 isUpdate = false
1088 } else {
1089 xonk.ID = prev.ID
1090 updatehonk(&xonk)
1091 }
1092 }
1093 if !isUpdate && needxonk(user, &xonk) {
1094 if rid != "" && xonk.Public {
1095 if needxonkid(user, rid) {
1096 goingup++
1097 saveonemore(rid)
1098 goingup--
1099 }
1100 if convoy == "" {
1101 xx := getxonk(user.ID, rid)
1102 if xx != nil {
1103 convoy = xx.Convoy
1104 }
1105 }
1106 }
1107 if convoy == "" {
1108 convoy = currenttid
1109 }
1110 if convoy == "" {
1111 convoy = "data:,missing-" + xfiltrate()
1112 currenttid = convoy
1113 }
1114 xonk.Convoy = convoy
1115 savexonk(&xonk)
1116 }
1117 if goingup == 0 {
1118 for _, replid := range replies {
1119 if needxonkid(user, replid) {
1120 dlog.Printf("missing a reply: %s", replid)
1121 saveonemore(replid)
1122 }
1123 }
1124 }
1125 return &xonk
1126 }
1127
1128 return xonkxonkfn(item, origin, false, false)
1129}
1130
1131func dumpactivity(item junk.Junk) {
1132 fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
1133 if err != nil {
1134 elog.Printf("error opening inbox! %s", err)
1135 return
1136 }
1137 defer fd.Close()
1138 item.Write(fd)
1139 io.WriteString(fd, "\n")
1140}
1141
1142func rubadubdub(user *WhatAbout, req junk.Junk) {
1143 actor, _ := req.GetString("actor")
1144 j := junk.New()
1145 j["@context"] = itiswhatitis
1146 j["id"] = user.URL + "/dub/" + xfiltrate()
1147 j["type"] = "Accept"
1148 j["actor"] = user.URL
1149 j["to"] = actor
1150 j["published"] = time.Now().UTC().Format(time.RFC3339)
1151 j["object"] = req
1152
1153 deliverate(user.ID, actor, j.ToBytes())
1154}
1155
1156func itakeitallback(user *WhatAbout, xid string, owner string, folxid string) {
1157 j := junk.New()
1158 j["@context"] = itiswhatitis
1159 j["id"] = user.URL + "/unsub/" + folxid
1160 j["type"] = "Undo"
1161 j["actor"] = user.URL
1162 j["to"] = owner
1163 f := junk.New()
1164 f["id"] = user.URL + "/sub/" + folxid
1165 f["type"] = "Follow"
1166 f["actor"] = user.URL
1167 f["to"] = owner
1168 f["object"] = xid
1169 j["object"] = f
1170 j["published"] = time.Now().UTC().Format(time.RFC3339)
1171
1172 deliverate(user.ID, owner, j.ToBytes())
1173}
1174
1175func subsub(user *WhatAbout, xid string, owner string, folxid string) {
1176 if xid == "" {
1177 ilog.Printf("can't subscribe to empty")
1178 return
1179 }
1180 j := junk.New()
1181 j["@context"] = itiswhatitis
1182 j["id"] = user.URL + "/sub/" + folxid
1183 j["type"] = "Follow"
1184 j["actor"] = user.URL
1185 j["to"] = owner
1186 j["object"] = xid
1187 j["published"] = time.Now().UTC().Format(time.RFC3339)
1188
1189 deliverate(user.ID, owner, j.ToBytes())
1190}
1191
1192func activatedonks(donks []*Donk) []junk.Junk {
1193 var atts []junk.Junk
1194 for _, d := range donks {
1195 if re_emus.MatchString(d.Name) {
1196 continue
1197 }
1198 jd := junk.New()
1199 jd["mediaType"] = d.Media
1200 jd["name"] = d.Name
1201 jd["summary"] = html.EscapeString(d.Desc)
1202 jd["type"] = "Document"
1203 jd["url"] = d.URL
1204 atts = append(atts, jd)
1205 }
1206 return atts
1207}
1208
1209// returns activity, object
1210func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1211 dt := h.Date.Format(time.RFC3339)
1212 var jo junk.Junk
1213 j := junk.New()
1214 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1215 j["actor"] = user.URL
1216 j["published"] = dt
1217 j["to"] = h.Audience[0]
1218 if len(h.Audience) > 1 {
1219 j["cc"] = h.Audience[1:]
1220 }
1221
1222 switch h.What {
1223 case "update":
1224 fallthrough
1225 case "event":
1226 fallthrough
1227 case "honk":
1228 j["type"] = "Create"
1229 jo = junk.New()
1230 jo["id"] = h.XID
1231 jo["type"] = "Note"
1232 if h.What == "event" {
1233 jo["type"] = "Event"
1234 }
1235 if h.What == "update" {
1236 j["type"] = "Update"
1237 jo["updated"] = dt
1238 }
1239 jo["published"] = dt
1240 jo["url"] = h.XID
1241 jo["attributedTo"] = user.URL
1242 if h.RID != "" {
1243 jo["inReplyTo"] = h.RID
1244 }
1245 if h.Convoy != "" {
1246 jo["context"] = h.Convoy
1247 jo["conversation"] = h.Convoy
1248 }
1249 jo["to"] = h.Audience[0]
1250 if len(h.Audience) > 1 {
1251 jo["cc"] = h.Audience[1:]
1252 }
1253 if !h.Public {
1254 jo["directMessage"] = true
1255 }
1256 h.Noise = re_retag.ReplaceAllString(h.Noise, "")
1257 translate(h)
1258 redoimages(h)
1259 if h.Precis != "" {
1260 jo["sensitive"] = true
1261 }
1262
1263 var replies []string
1264 for _, reply := range h.Replies {
1265 replies = append(replies, reply.XID)
1266 }
1267 if len(replies) > 0 {
1268 jr := junk.New()
1269 jr["type"] = "Collection"
1270 jr["totalItems"] = len(replies)
1271 jr["items"] = replies
1272 jo["replies"] = jr
1273 }
1274
1275 var tags []junk.Junk
1276 for _, m := range h.Mentions {
1277 t := junk.New()
1278 t["type"] = "Mention"
1279 t["name"] = m.Who
1280 t["href"] = m.Where
1281 tags = append(tags, t)
1282 }
1283 for _, o := range h.Onts {
1284 t := junk.New()
1285 t["type"] = "Hashtag"
1286 o = strings.ToLower(o)
1287 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1288 t["name"] = o
1289 tags = append(tags, t)
1290 }
1291 for _, e := range herdofemus(h.Noise) {
1292 t := junk.New()
1293 t["id"] = e.ID
1294 t["type"] = "Emoji"
1295 t["name"] = e.Name
1296 i := junk.New()
1297 i["type"] = "Image"
1298 i["mediaType"] = e.Type
1299 i["url"] = e.ID
1300 t["icon"] = i
1301 tags = append(tags, t)
1302 }
1303 for _, e := range fixupflags(h) {
1304 t := junk.New()
1305 t["id"] = e.ID
1306 t["type"] = "Emoji"
1307 t["name"] = e.Name
1308 i := junk.New()
1309 i["type"] = "Image"
1310 i["mediaType"] = "image/png"
1311 i["url"] = e.ID
1312 t["icon"] = i
1313 tags = append(tags, t)
1314 }
1315 if len(tags) > 0 {
1316 jo["tag"] = tags
1317 }
1318 if p := h.Place; p != nil {
1319 t := junk.New()
1320 t["type"] = "Place"
1321 if p.Name != "" {
1322 t["name"] = p.Name
1323 }
1324 if p.Latitude != 0 {
1325 t["latitude"] = p.Latitude
1326 }
1327 if p.Longitude != 0 {
1328 t["longitude"] = p.Longitude
1329 }
1330 if p.Url != "" {
1331 t["url"] = p.Url
1332 }
1333 jo["location"] = t
1334 }
1335 if t := h.Time; t != nil {
1336 jo["startTime"] = t.StartTime.Format(time.RFC3339)
1337 if t.Duration != 0 {
1338 jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1339 }
1340 }
1341 atts := activatedonks(h.Donks)
1342 if len(atts) > 0 {
1343 jo["attachment"] = atts
1344 }
1345 jo["summary"] = h.Precis
1346 jo["content"] = h.Noise
1347 j["object"] = jo
1348 case "bonk":
1349 j["type"] = "Announce"
1350 if h.Convoy != "" {
1351 j["context"] = h.Convoy
1352 }
1353 j["object"] = h.XID
1354 case "unbonk":
1355 b := junk.New()
1356 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1357 b["type"] = "Announce"
1358 b["actor"] = user.URL
1359 if h.Convoy != "" {
1360 b["context"] = h.Convoy
1361 }
1362 b["object"] = h.XID
1363 j["type"] = "Undo"
1364 j["object"] = b
1365 case "zonk":
1366 j["type"] = "Delete"
1367 j["object"] = h.XID
1368 case "ack":
1369 j["type"] = "Read"
1370 j["object"] = h.XID
1371 if h.Convoy != "" {
1372 j["context"] = h.Convoy
1373 }
1374 case "react":
1375 j["type"] = "EmojiReact"
1376 j["object"] = h.XID
1377 if h.Convoy != "" {
1378 j["context"] = h.Convoy
1379 }
1380 j["content"] = h.Noise
1381 case "deack":
1382 b := junk.New()
1383 b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1384 b["type"] = "Read"
1385 b["actor"] = user.URL
1386 b["object"] = h.XID
1387 if h.Convoy != "" {
1388 b["context"] = h.Convoy
1389 }
1390 j["type"] = "Undo"
1391 j["object"] = b
1392 }
1393
1394 return j, jo
1395}
1396
1397var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1398 row := stmtAnyXonk.QueryRow(xid)
1399 honk := scanhonk(row)
1400 if honk == nil || !honk.Public {
1401 return nil, true
1402 }
1403 user, _ := butwhatabout(honk.Username)
1404 rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1405 reversehonks(rawhonks)
1406 for _, h := range rawhonks {
1407 if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1408 honk.Replies = append(honk.Replies, h)
1409 }
1410 }
1411 donksforhonks([]*Honk{honk})
1412 _, j := jonkjonk(user, honk)
1413 if j == nil {
1414 elog.Fatalf("what just happened? %v", honk)
1415 }
1416 j["@context"] = itiswhatitis
1417
1418 return j.ToBytes(), true
1419}, Limit: 128})
1420
1421func gimmejonk(xid string) ([]byte, bool) {
1422 var j []byte
1423 ok := oldjonks.Get(xid, &j)
1424 return j, ok
1425}
1426
1427func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1428 rcpts := make(map[string]bool)
1429 for _, a := range addresses {
1430 if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1431 continue
1432 }
1433 if a[0] == '%' {
1434 rcpts[a] = true
1435 continue
1436 }
1437 var box *Box
1438 ok := boxofboxes.Get(a, &box)
1439 if ok && useshared && box.Shared != "" {
1440 rcpts["%"+box.Shared] = true
1441 } else {
1442 rcpts[a] = true
1443 }
1444 }
1445 return rcpts
1446}
1447
1448func chonkifymsg(user *WhatAbout, ch *Chonk) []byte {
1449 dt := ch.Date.Format(time.RFC3339)
1450 aud := []string{ch.Target}
1451
1452 jo := junk.New()
1453 jo["id"] = ch.XID
1454 jo["type"] = "ChatMessage"
1455 jo["published"] = dt
1456 jo["attributedTo"] = user.URL
1457 jo["to"] = aud
1458 jo["content"] = ch.HTML
1459 atts := activatedonks(ch.Donks)
1460 if len(atts) > 0 {
1461 jo["attachment"] = atts
1462 }
1463 var tags []junk.Junk
1464 for _, e := range herdofemus(ch.Noise) {
1465 t := junk.New()
1466 t["id"] = e.ID
1467 t["type"] = "Emoji"
1468 t["name"] = e.Name
1469 i := junk.New()
1470 i["type"] = "Image"
1471 i["mediaType"] = e.Type
1472 i["url"] = e.ID
1473 t["icon"] = i
1474 tags = append(tags, t)
1475 }
1476 if len(tags) > 0 {
1477 jo["tag"] = tags
1478 }
1479
1480 j := junk.New()
1481 j["@context"] = itiswhatitis
1482 j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1483 j["type"] = "Create"
1484 j["actor"] = user.URL
1485 j["published"] = dt
1486 j["to"] = aud
1487 j["object"] = jo
1488
1489 return j.ToBytes()
1490}
1491
1492func sendchonk(user *WhatAbout, ch *Chonk) {
1493 msg := chonkifymsg(user, ch)
1494
1495 rcpts := make(map[string]bool)
1496 rcpts[ch.Target] = true
1497 for a := range rcpts {
1498 go deliverate(user.ID, a, msg)
1499 }
1500}
1501
1502func honkworldwide(user *WhatAbout, honk *Honk) {
1503 jonk, _ := jonkjonk(user, honk)
1504 jonk["@context"] = itiswhatitis
1505 msg := jonk.ToBytes()
1506
1507 rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1508
1509 if honk.Public {
1510 for _, h := range getdubs(user.ID) {
1511 if h.XID == user.URL {
1512 continue
1513 }
1514 var box *Box
1515 ok := boxofboxes.Get(h.XID, &box)
1516 if ok && box.Shared != "" {
1517 rcpts["%"+box.Shared] = true
1518 } else {
1519 rcpts[h.XID] = true
1520 }
1521 }
1522 for _, f := range getbacktracks(honk.XID) {
1523 if f[0] == '%' {
1524 rcpts[f] = true
1525 } else {
1526 var box *Box
1527 ok := boxofboxes.Get(f, &box)
1528 if ok && box.Shared != "" {
1529 rcpts["%"+box.Shared] = true
1530 } else {
1531 rcpts[f] = true
1532 }
1533 }
1534 }
1535 }
1536 for a := range rcpts {
1537 go deliverate(user.ID, a, msg)
1538 }
1539 if honk.Public && len(honk.Onts) > 0 {
1540 collectiveaction(honk)
1541 }
1542}
1543
1544func collectiveaction(honk *Honk) {
1545 user := getserveruser()
1546 for _, ont := range honk.Onts {
1547 dubs := getnameddubs(readyLuserOne, ont)
1548 if len(dubs) == 0 {
1549 continue
1550 }
1551 j := junk.New()
1552 j["@context"] = itiswhatitis
1553 j["type"] = "Add"
1554 j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1555 j["actor"] = user.URL
1556 j["object"] = honk.XID
1557 j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1558 rcpts := make(map[string]bool)
1559 for _, dub := range dubs {
1560 var box *Box
1561 ok := boxofboxes.Get(dub.XID, &box)
1562 if ok && box.Shared != "" {
1563 rcpts["%"+box.Shared] = true
1564 } else {
1565 rcpts[dub.XID] = true
1566 }
1567 }
1568 msg := j.ToBytes()
1569 for a := range rcpts {
1570 go deliverate(user.ID, a, msg)
1571 }
1572 }
1573}
1574
1575func junkuser(user *WhatAbout) junk.Junk {
1576 j := junk.New()
1577 j["@context"] = itiswhatitis
1578 j["id"] = user.URL
1579 j["inbox"] = user.URL + "/inbox"
1580 j["outbox"] = user.URL + "/outbox"
1581 j["name"] = user.Display
1582 j["preferredUsername"] = user.Name
1583 j["summary"] = user.HTAbout
1584 var tags []junk.Junk
1585 for _, o := range user.Onts {
1586 t := junk.New()
1587 t["type"] = "Hashtag"
1588 o = strings.ToLower(o)
1589 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1590 t["name"] = o
1591 tags = append(tags, t)
1592 }
1593 if len(tags) > 0 {
1594 j["tag"] = tags
1595 }
1596
1597 if user.ID > 0 {
1598 j["type"] = "Person"
1599 j["url"] = user.URL
1600 j["followers"] = user.URL + "/followers"
1601 j["following"] = user.URL + "/following"
1602 a := junk.New()
1603 a["type"] = "Image"
1604 a["mediaType"] = "image/png"
1605 a["url"] = avatarURL(user)
1606 j["icon"] = a
1607 if ban := user.Options.Banner; ban != "" {
1608 a := junk.New()
1609 a["type"] = "Image"
1610 a["mediaType"] = "image/jpg"
1611 a["url"] = ban
1612 j["image"] = a
1613 }
1614 } else {
1615 j["type"] = "Service"
1616 }
1617 k := junk.New()
1618 k["id"] = user.URL + "#key"
1619 k["owner"] = user.URL
1620 k["publicKeyPem"] = user.Key
1621 j["publicKey"] = k
1622
1623 return j
1624}
1625
1626var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1627 user, err := butwhatabout(name)
1628 if err != nil {
1629 return nil, false
1630 }
1631 j := junkuser(user)
1632 return j.ToBytes(), true
1633}, Duration: 1 * time.Minute})
1634
1635func asjonker(name string) ([]byte, bool) {
1636 var j []byte
1637 ok := oldjonkers.Get(name, &j)
1638 return j, ok
1639}
1640
1641var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1642 m := strings.Split(name, "@")
1643 if len(m) != 2 {
1644 dlog.Printf("bad fish name: %s", name)
1645 return "", true
1646 }
1647 var href string
1648 row := stmtGetXonker.QueryRow(name, "fishname")
1649 err := row.Scan(&href)
1650 if err == nil {
1651 return href, true
1652 }
1653 dlog.Printf("fishing for %s", name)
1654 j, err := GetJunkFast(readyLuserOne, fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1655 if err != nil {
1656 ilog.Printf("failed to go fish %s: %s", name, err)
1657 return "", true
1658 }
1659 links, _ := j.GetArray("links")
1660 for _, li := range links {
1661 l, ok := li.(junk.Junk)
1662 if !ok {
1663 continue
1664 }
1665 href, _ := l.GetString("href")
1666 rel, _ := l.GetString("rel")
1667 t, _ := l.GetString("type")
1668 if rel == "self" && friendorfoe(t) {
1669 when := time.Now().UTC().Format(dbtimeformat)
1670 _, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1671 if err != nil {
1672 elog.Printf("error saving fishname: %s", err)
1673 }
1674 return href, true
1675 }
1676 }
1677 return href, true
1678}, Duration: 1 * time.Minute})
1679
1680func gofish(name string) string {
1681 if name[0] == '@' {
1682 name = name[1:]
1683 }
1684 var href string
1685 handfull.Get(name, &href)
1686 return href
1687}
1688
1689func investigate(name string) (*SomeThing, error) {
1690 if name == "" {
1691 return nil, fmt.Errorf("no name")
1692 }
1693 if name[0] == '@' {
1694 name = gofish(name)
1695 }
1696 if name == "" {
1697 return nil, fmt.Errorf("no name")
1698 }
1699 obj, err := GetJunkFast(readyLuserOne, name)
1700 if err != nil {
1701 return nil, err
1702 }
1703 allinjest(originate(name), obj)
1704 return somethingabout(obj)
1705}
1706
1707func somethingabout(obj junk.Junk) (*SomeThing, error) {
1708 info := new(SomeThing)
1709 t, _ := obj.GetString("type")
1710 isowned := false
1711 switch t {
1712 case "Person":
1713 fallthrough
1714 case "Group":
1715 fallthrough
1716 case "Organization":
1717 fallthrough
1718 case "Application":
1719 fallthrough
1720 case "Service":
1721 info.What = SomeActor
1722 case "OrderedCollection":
1723 isowned = true
1724 fallthrough
1725 case "Collection":
1726 info.What = SomeCollection
1727 default:
1728 return nil, fmt.Errorf("unknown object type")
1729 }
1730 info.XID, _ = obj.GetString("id")
1731 info.Name, _ = obj.GetString("preferredUsername")
1732 if info.Name == "" {
1733 info.Name, _ = obj.GetString("name")
1734 }
1735 if isowned {
1736 info.Owner, _ = obj.GetString("attributedTo")
1737 }
1738 if info.Owner == "" {
1739 info.Owner = info.XID
1740 }
1741 return info, nil
1742}
1743
1744func allinjest(origin string, obj junk.Junk) {
1745 keyobj, ok := obj.GetMap("publicKey")
1746 if ok {
1747 ingestpubkey(origin, keyobj)
1748 }
1749 ingestboxes(origin, obj)
1750 ingesthandle(origin, obj)
1751}
1752
1753func ingestpubkey(origin string, obj junk.Junk) {
1754 keyobj, ok := obj.GetMap("publicKey")
1755 if ok {
1756 obj = keyobj
1757 }
1758 keyname, ok := obj.GetString("id")
1759 var data string
1760 row := stmtGetXonker.QueryRow(keyname, "pubkey")
1761 err := row.Scan(&data)
1762 if err == nil {
1763 return
1764 }
1765 if !ok || origin != originate(keyname) {
1766 ilog.Printf("bad key origin %s <> %s", origin, keyname)
1767 return
1768 }
1769 dlog.Printf("ingesting a needed pubkey: %s", keyname)
1770 owner, ok := obj.GetString("owner")
1771 if !ok {
1772 ilog.Printf("error finding %s pubkey owner", keyname)
1773 return
1774 }
1775 data, ok = obj.GetString("publicKeyPem")
1776 if !ok {
1777 ilog.Printf("error finding %s pubkey", keyname)
1778 return
1779 }
1780 if originate(owner) != origin {
1781 ilog.Printf("bad key owner: %s <> %s", owner, origin)
1782 return
1783 }
1784 _, _, err = httpsig.DecodeKey(data)
1785 if err != nil {
1786 ilog.Printf("error decoding %s pubkey: %s", keyname, err)
1787 return
1788 }
1789 when := time.Now().UTC().Format(dbtimeformat)
1790 _, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1791 if err != nil {
1792 elog.Printf("error saving key: %s", err)
1793 }
1794}
1795
1796func ingestboxes(origin string, obj junk.Junk) {
1797 ident, _ := obj.GetString("id")
1798 if ident == "" {
1799 return
1800 }
1801 if originate(ident) != origin {
1802 return
1803 }
1804 var info string
1805 row := stmtGetXonker.QueryRow(ident, "boxes")
1806 err := row.Scan(&info)
1807 if err == nil {
1808 return
1809 }
1810 dlog.Printf("ingesting boxes: %s", ident)
1811 inbox, _ := obj.GetString("inbox")
1812 outbox, _ := obj.GetString("outbox")
1813 sbox, _ := obj.GetString("endpoints", "sharedInbox")
1814 if inbox != "" {
1815 when := time.Now().UTC().Format(dbtimeformat)
1816 m := strings.Join([]string{inbox, outbox, sbox}, " ")
1817 _, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1818 if err != nil {
1819 elog.Printf("error saving boxes: %s", err)
1820 }
1821 }
1822}
1823
1824func ingesthandle(origin string, obj junk.Junk) {
1825 xid, _ := obj.GetString("id")
1826 if xid == "" {
1827 return
1828 }
1829 if originate(xid) != origin {
1830 return
1831 }
1832 var handle string
1833 row := stmtGetXonker.QueryRow(xid, "handle")
1834 err := row.Scan(&handle)
1835 if err == nil {
1836 return
1837 }
1838 handle, _ = obj.GetString("preferredUsername")
1839 if handle != "" {
1840 when := time.Now().UTC().Format(dbtimeformat)
1841 _, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1842 if err != nil {
1843 elog.Printf("error saving handle: %s", err)
1844 }
1845 }
1846}
1847
1848func updateMe(username string) {
1849 var user *WhatAbout
1850 somenamedusers.Get(username, &user)
1851 dt := time.Now().UTC().Format(time.RFC3339)
1852 j := junk.New()
1853 j["@context"] = itiswhatitis
1854 j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1855 j["actor"] = user.URL
1856 j["published"] = dt
1857 j["to"] = thewholeworld
1858 j["type"] = "Update"
1859 j["object"] = junkuser(user)
1860
1861 msg := j.ToBytes()
1862
1863 rcpts := make(map[string]bool)
1864 for _, f := range getdubs(user.ID) {
1865 if f.XID == user.URL {
1866 continue
1867 }
1868 var box *Box
1869 boxofboxes.Get(f.XID, &box)
1870 if box != nil && box.Shared != "" {
1871 rcpts["%"+box.Shared] = true
1872 } else {
1873 rcpts[f.XID] = true
1874 }
1875 }
1876 for a := range rcpts {
1877 go deliverate(user.ID, a, msg)
1878 }
1879}
1880
1881func followme(user *WhatAbout, who string, name string, j junk.Junk) {
1882 folxid, _ := j.GetString("id")
1883
1884 ilog.Printf("updating honker follow: %s %s", who, folxid)
1885
1886 var x string
1887 db := opendatabase()
1888 row := db.QueryRow("select xid from honkers where name = ? and xid = ? and userid = ? and flavor in ('dub', 'undub')", name, who, user.ID)
1889 err := row.Scan(&x)
1890 if err != sql.ErrNoRows {
1891 ilog.Printf("duplicate follow request: %s", who)
1892 _, err = stmtUpdateFlavor.Exec("dub", folxid, user.ID, name, who, "undub")
1893 if err != nil {
1894 elog.Printf("error updating honker: %s", err)
1895 }
1896 } else {
1897 stmtSaveDub.Exec(user.ID, name, who, "dub", folxid)
1898 }
1899 go rubadubdub(user, j)
1900}
1901
1902func unfollowme(user *WhatAbout, who string, name string, j junk.Junk) {
1903 var folxid string
1904 if who == "" {
1905 folxid, _ = j.GetString("object")
1906
1907 db := opendatabase()
1908 row := db.QueryRow("select xid, name from honkers where userid = ? and folxid = ? and flavor in ('dub', 'undub')", user.ID, folxid)
1909 err := row.Scan(&who, &name)
1910 if err != nil {
1911 if err != sql.ErrNoRows {
1912 elog.Printf("error scanning honker: %s", err)
1913 }
1914 return
1915 }
1916 }
1917
1918 ilog.Printf("updating honker undo: %s %s", who, folxid)
1919 _, err := stmtUpdateFlavor.Exec("undub", folxid, user.ID, name, who, "dub")
1920 if err != nil {
1921 elog.Printf("error updating honker: %s", err)
1922 return
1923 }
1924}
1925
1926func followyou(user *WhatAbout, honkerid int64, sync bool) {
1927 var url, owner string
1928 db := opendatabase()
1929 row := db.QueryRow("select xid, owner from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1930 honkerid, user.ID)
1931 err := row.Scan(&url, &owner)
1932 if err != nil {
1933 elog.Printf("can't get honker xid: %s", err)
1934 return
1935 }
1936 folxid := xfiltrate()
1937 ilog.Printf("subscribing to %s", url)
1938 _, err = db.Exec("update honkers set flavor = ?, folxid = ? where honkerid = ?", "presub", folxid, honkerid)
1939 if err != nil {
1940 elog.Printf("error updating honker: %s", err)
1941 return
1942 }
1943 if sync {
1944 subsub(user, url, owner, folxid)
1945 } else {
1946 go subsub(user, url, owner, folxid)
1947 }
1948
1949}
1950func unfollowyou(user *WhatAbout, honkerid int64, sync bool) {
1951 db := opendatabase()
1952 row := db.QueryRow("select xid, owner, folxid, flavor from honkers where honkerid = ? and userid = ? and flavor in ('unsub', 'peep', 'presub', 'sub')",
1953 honkerid, user.ID)
1954 var url, owner, folxid, flavor string
1955 err := row.Scan(&url, &owner, &folxid, &flavor)
1956 if err != nil {
1957 elog.Printf("can't get honker xid: %s", err)
1958 return
1959 }
1960 if flavor == "peep" {
1961 return
1962 }
1963 ilog.Printf("unsubscribing from %s", url)
1964 _, err = db.Exec("update honkers set flavor = ? where honkerid = ?", "unsub", honkerid)
1965 if err != nil {
1966 elog.Printf("error updating honker: %s", err)
1967 return
1968 }
1969 if sync {
1970 itakeitallback(user, url, owner, folxid)
1971 } else {
1972 go itakeitallback(user, url, owner, folxid)
1973 }
1974}
1975
1976func followyou2(user *WhatAbout, j junk.Junk) {
1977 who, _ := j.GetString("actor")
1978
1979 ilog.Printf("updating honker accept: %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("sub", folxid, user.ID, name, who, "presub")
1990 if err != nil {
1991 elog.Printf("error updating honker: %s", err)
1992 return
1993 }
1994}
1995
1996func nofollowyou2(user *WhatAbout, j junk.Junk) {
1997 who, _ := j.GetString("actor")
1998
1999 ilog.Printf("updating honker reject: %s", who)
2000 db := opendatabase()
2001 row := db.QueryRow("select name, folxid from honkers where userid = ? and xid = ? and flavor in ('presub', 'sub')",
2002 user.ID, who)
2003 var name, folxid string
2004 err := row.Scan(&name, &folxid)
2005 if err != nil {
2006 elog.Printf("can't get honker name: %s", err)
2007 return
2008 }
2009 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "presub")
2010 _, err = stmtUpdateFlavor.Exec("unsub", folxid, user.ID, name, who, "sub")
2011 if err != nil {
2012 elog.Printf("error updating honker: %s", err)
2013 return
2014 }
2015}