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 "compress/gzip"
21 "crypto/rsa"
22 "database/sql"
23 "fmt"
24 "io"
25 "log"
26 "net/http"
27 "net/url"
28 "os"
29 "regexp"
30 "strings"
31 "sync"
32 "time"
33
34 "humungus.tedunangst.com/r/webs/image"
35 "humungus.tedunangst.com/r/webs/junk"
36)
37
38var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
39var thefakename = `application/activity+json`
40var falsenames = []string{
41 `application/ld+json`,
42 `application/activity+json`,
43}
44var itiswhatitis = "https://www.w3.org/ns/activitystreams"
45var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
46
47func friendorfoe(ct string) bool {
48 ct = strings.ToLower(ct)
49 for _, at := range falsenames {
50 if strings.HasPrefix(ct, at) {
51 return true
52 }
53 }
54 return false
55}
56
57func PostJunk(keyname string, key *rsa.PrivateKey, url string, j junk.Junk) error {
58 var buf bytes.Buffer
59 j.Write(&buf)
60 return PostMsg(keyname, key, url, buf.Bytes())
61}
62
63func PostMsg(keyname string, key *rsa.PrivateKey, url string, msg []byte) error {
64 client := http.DefaultClient
65 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
66 if err != nil {
67 return err
68 }
69 req.Header.Set("User-Agent", "honksnonk/5.0")
70 req.Header.Set("Content-Type", theonetruename)
71 zig(keyname, key, req, msg)
72 resp, err := client.Do(req)
73 if err != nil {
74 return err
75 }
76 resp.Body.Close()
77 switch resp.StatusCode {
78 case 200:
79 case 201:
80 case 202:
81 default:
82 return fmt.Errorf("http post status: %d", resp.StatusCode)
83 }
84 log.Printf("successful post: %s %d", url, resp.StatusCode)
85 return nil
86}
87
88type gzCloser struct {
89 r *gzip.Reader
90 under io.ReadCloser
91}
92
93func (gz *gzCloser) Read(p []byte) (int, error) {
94 return gz.r.Read(p)
95}
96
97func (gz *gzCloser) Close() error {
98 defer gz.under.Close()
99 return gz.r.Close()
100}
101
102func GetJunk(url string) (junk.Junk, error) {
103 client := http.DefaultClient
104 req, err := http.NewRequest("GET", url, nil)
105 if err != nil {
106 return nil, err
107 }
108 at := thefakename
109 if strings.Contains(url, ".well-known/webfinger?resource") {
110 at = "application/jrd+json"
111 }
112 req.Header.Set("Accept", at)
113 req.Header.Set("Accept-Encoding", "gzip")
114 req.Header.Set("User-Agent", "honksnonk/5.0")
115 resp, err := client.Do(req)
116 if err != nil {
117 log.Printf("first get failed: %s", err)
118 resp, err = client.Do(req)
119 if err != nil {
120 return nil, err
121 }
122 log.Printf("retry succeeded!")
123 }
124 if resp.StatusCode != 200 {
125 resp.Body.Close()
126 return nil, fmt.Errorf("http get status: %d", resp.StatusCode)
127 }
128 if strings.EqualFold(resp.Header.Get("Content-Encoding"), "gzip") {
129 gz, err := gzip.NewReader(resp.Body)
130 if err != nil {
131 resp.Body.Close()
132 return nil, err
133 }
134 resp.Body = &gzCloser{r: gz, under: resp.Body}
135 }
136 defer resp.Body.Close()
137 j, err := junk.Read(resp.Body)
138 return j, err
139}
140
141func savedonk(url string, name, media string, localize bool) *Donk {
142 if url == "" {
143 return nil
144 }
145 var donk Donk
146 row := stmtFindFile.QueryRow(url)
147 err := row.Scan(&donk.FileID)
148 if err == nil {
149 return &donk
150 }
151 log.Printf("saving donk: %s", url)
152 if err != nil && err != sql.ErrNoRows {
153 log.Printf("error querying: %s", err)
154 }
155 xid := xfiltrate()
156 data := []byte{}
157 if localize {
158 resp, err := http.Get(url)
159 if err != nil {
160 log.Printf("error fetching %s: %s", url, err)
161 localize = false
162 goto saveit
163 }
164 defer resp.Body.Close()
165 if resp.StatusCode != 200 {
166 localize = false
167 goto saveit
168 }
169 var buf bytes.Buffer
170 io.Copy(&buf, resp.Body)
171
172 data = buf.Bytes()
173 if strings.HasPrefix(media, "image") {
174 img, err := image.Vacuum(&buf, image.Params{MaxWidth: 2048, MaxHeight: 2048})
175 if err != nil {
176 log.Printf("unable to decode image: %s", err)
177 localize = false
178 goto saveit
179 }
180 data = img.Data
181 media = "image/" + img.Format
182 }
183 }
184saveit:
185 res, err := stmtSaveFile.Exec(xid, name, url, media, localize, data)
186 if err != nil {
187 log.Printf("error saving file %s: %s", url, err)
188 return nil
189 }
190 donk.FileID, _ = res.LastInsertId()
191 return &donk
192}
193
194func iszonked(userid int64, xid string) bool {
195 row := stmtFindZonk.QueryRow(userid, xid)
196 var id int64
197 err := row.Scan(&id)
198 if err == nil {
199 return true
200 }
201 if err != sql.ErrNoRows {
202 log.Printf("err querying zonk: %s", err)
203 }
204 return false
205}
206
207func needxonk(user *WhatAbout, x *Honk) bool {
208 if x.What == "eradicate" {
209 return true
210 }
211 if thoudostbitethythumb(user.ID, x.Audience, x.XID) {
212 log.Printf("not saving thumb biter? %s via %s", x.XID, x.Honker)
213 return false
214 }
215 return needxonkid(user, x.XID)
216}
217func needxonkid(user *WhatAbout, xid string) bool {
218 if strings.HasPrefix(xid, user.URL+"/h/") {
219 return false
220 }
221 if iszonked(user.ID, xid) {
222 log.Printf("already zonked: %s", xid)
223 return false
224 }
225 row := stmtFindXonk.QueryRow(user.ID, xid)
226 var id int64
227 err := row.Scan(&id)
228 if err == nil {
229 return false
230 }
231 if err != sql.ErrNoRows {
232 log.Printf("err querying xonk: %s", err)
233 }
234 return true
235}
236
237func savexonk(user *WhatAbout, x *Honk) {
238 if x.What == "eradicate" {
239 log.Printf("eradicating %s by %s", x.XID, x.Honker)
240 xonk := getxonk(user.ID, x.XID)
241 if xonk != nil {
242 stmtZonkDonks.Exec(xonk.ID)
243 _, err := stmtZonkIt.Exec(user.ID, x.XID)
244 if err != nil {
245 log.Printf("error eradicating: %s", err)
246 }
247 }
248 stmtSaveZonker.Exec(user.ID, x.XID, "zonk")
249 return
250 }
251 log.Printf("saving xonk: %s", x.XID)
252 dt := x.Date.UTC().Format(dbtimeformat)
253 aud := strings.Join(x.Audience, " ")
254 whofore := 0
255 if strings.Contains(aud, user.URL) {
256 whofore = 1
257 }
258 res, err := stmtSaveHonk.Exec(x.UserID, x.What, x.Honker, x.XID, x.RID, dt, x.URL, aud,
259 x.Noise, x.Convoy, whofore, "html", x.Precis, x.Oonker)
260 if err != nil {
261 log.Printf("err saving xonk: %s", err)
262 return
263 }
264 x.ID, _ = res.LastInsertId()
265 for _, d := range x.Donks {
266 _, err = stmtSaveDonk.Exec(x.ID, d.FileID)
267 if err != nil {
268 log.Printf("err saving donk: %s", err)
269 return
270 }
271 }
272}
273
274type Box struct {
275 In string
276 Out string
277 Shared string
278}
279
280var boxofboxes = make(map[string]*Box)
281var boxlock sync.Mutex
282var boxinglock sync.Mutex
283
284func getboxes(ident string) (*Box, error) {
285 boxlock.Lock()
286 b, ok := boxofboxes[ident]
287 boxlock.Unlock()
288 if ok {
289 return b, nil
290 }
291
292 boxinglock.Lock()
293 defer boxinglock.Unlock()
294
295 boxlock.Lock()
296 b, ok = boxofboxes[ident]
297 boxlock.Unlock()
298 if ok {
299 return b, nil
300 }
301
302 var info string
303 row := stmtGetXonker.QueryRow(ident, "boxes")
304 err := row.Scan(&info)
305 if err != nil {
306 j, err := GetJunk(ident)
307 if err != nil {
308 return nil, err
309 }
310 inbox, _ := j.GetString("inbox")
311 outbox, _ := j.GetString("outbox")
312 sbox, _ := j.FindString([]string{"endpoints", "sharedInbox"})
313 b = &Box{In: inbox, Out: outbox, Shared: sbox}
314 if inbox != "" {
315 m := strings.Join([]string{inbox, outbox, sbox}, " ")
316 _, err = stmtSaveXonker.Exec(ident, m, "boxes")
317 if err != nil {
318 log.Printf("error saving boxes: %s", err)
319 }
320 }
321 } else {
322 m := strings.Split(info, " ")
323 b = &Box{In: m[0], Out: m[1], Shared: m[2]}
324 }
325
326 boxlock.Lock()
327 boxofboxes[ident] = b
328 boxlock.Unlock()
329 return b, nil
330}
331
332func gimmexonks(user *WhatAbout, outbox string) {
333 log.Printf("getting outbox: %s", outbox)
334 j, err := GetJunk(outbox)
335 if err != nil {
336 log.Printf("error getting outbox: %s", err)
337 return
338 }
339 t, _ := j.GetString("type")
340 origin := originate(outbox)
341 if t == "OrderedCollection" {
342 items, _ := j.GetArray("orderedItems")
343 if items == nil {
344 obj, ok := j.GetMap("first")
345 if ok {
346 items, _ = obj.GetArray("orderedItems")
347 } else {
348 page1, _ := j.GetString("first")
349 j, err = GetJunk(page1)
350 if err != nil {
351 log.Printf("error gettings page1: %s", err)
352 return
353 }
354 items, _ = j.GetArray("orderedItems")
355 }
356 }
357 if len(items) > 20 {
358 items = items[0:20]
359 }
360 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
361 items[i], items[j] = items[j], items[i]
362 }
363 for _, item := range items {
364 obj, ok := item.(junk.Junk)
365 if !ok {
366 continue
367 }
368 xonk := xonkxonk(user, obj, origin)
369 if xonk != nil {
370 savexonk(user, xonk)
371 }
372 }
373 }
374}
375
376func peeppeep() {
377 user, _ := butwhatabout("htest")
378 honkers := gethonkers(user.ID)
379 for _, f := range honkers {
380 if f.Flavor != "peep" {
381 continue
382 }
383 log.Printf("getting updates: %s", f.XID)
384 box, err := getboxes(f.XID)
385 if err != nil {
386 log.Printf("error getting outbox: %s", err)
387 continue
388 }
389 gimmexonks(user, box.Out)
390 }
391}
392func whosthere(xid string) ([]string, string) {
393 obj, err := GetJunk(xid)
394 if err != nil {
395 log.Printf("error getting remote xonk: %s", err)
396 return nil, ""
397 }
398 convoy, _ := obj.GetString("context")
399 if convoy == "" {
400 convoy, _ = obj.GetString("conversation")
401 }
402 return newphone(nil, obj), convoy
403}
404
405func newphone(a []string, obj junk.Junk) []string {
406 for _, addr := range []string{"to", "cc", "attributedTo"} {
407 who, _ := obj.GetString(addr)
408 if who != "" {
409 a = append(a, who)
410 }
411 whos, _ := obj.GetArray(addr)
412 for _, w := range whos {
413 who, _ := w.(string)
414 if who != "" {
415 a = append(a, who)
416 }
417 }
418 }
419 return a
420}
421
422func extractattrto(obj junk.Junk) string {
423 who, _ := obj.GetString("attributedTo")
424 if who != "" {
425 return who
426 }
427 arr, _ := obj.GetArray("attributedTo")
428 for _, a := range arr {
429 o, ok := a.(junk.Junk)
430 if ok {
431 t, _ := o.GetString("type")
432 id, _ := o.GetString("id")
433 if t == "Person" || t == "" {
434 return id
435 }
436 }
437 }
438 return ""
439}
440
441func consumeactivity(user *WhatAbout, j junk.Junk, origin string) {
442 xonk := xonkxonk(user, j, origin)
443 if xonk != nil {
444 savexonk(user, xonk)
445 }
446}
447
448func xonkxonk(user *WhatAbout, item junk.Junk, origin string) *Honk {
449 depth := 0
450 maxdepth := 4
451 currenttid := ""
452 var xonkxonkfn func(item junk.Junk, origin string) *Honk
453
454 saveoneup := func(xid string) {
455 log.Printf("getting oneup: %s", xid)
456 if depth >= maxdepth {
457 log.Printf("in too deep")
458 return
459 }
460 obj, err := GetJunk(xid)
461 if err != nil {
462 log.Printf("error getting oneup: %s", err)
463 return
464 }
465 depth++
466 xonk := xonkxonkfn(obj, originate(xid))
467 if xonk != nil {
468 savexonk(user, xonk)
469 }
470 depth--
471 }
472
473 xonkxonkfn = func(item junk.Junk, origin string) *Honk {
474 // id, _ := item.GetString( "id")
475 what, _ := item.GetString("type")
476 dt, _ := item.GetString("published")
477
478 var audience []string
479 var err error
480 var xid, rid, url, content, precis, convoy, oonker string
481 var obj junk.Junk
482 var ok bool
483 switch what {
484 case "Announce":
485 obj, ok = item.GetMap("object")
486 if ok {
487 xid, _ = obj.GetString("id")
488 } else {
489 xid, _ = item.GetString("object")
490 }
491 if !needxonkid(user, xid) {
492 return nil
493 }
494 log.Printf("getting bonk: %s", xid)
495 obj, err = GetJunk(xid)
496 if err != nil {
497 log.Printf("error regetting: %s", err)
498 }
499 origin = originate(xid)
500 what = "bonk"
501 case "Create":
502 obj, _ = item.GetMap("object")
503 what = "honk"
504 case "Delete":
505 obj, _ = item.GetMap("object")
506 xid, _ = item.GetString("object")
507 what = "eradicate"
508 case "Video":
509 fallthrough
510 case "Question":
511 fallthrough
512 case "Note":
513 fallthrough
514 case "Article":
515 fallthrough
516 case "Page":
517 obj = item
518 what = "honk"
519 default:
520 log.Printf("unknown activity: %s", what)
521 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
522 item.Write(fd)
523 io.WriteString(fd, "\n")
524 fd.Close()
525 return nil
526 }
527
528 var xonk Honk
529 who, _ := item.GetString("actor")
530 if obj != nil {
531 if who == "" {
532 who = extractattrto(obj)
533 }
534 oonker = extractattrto(obj)
535 ot, _ := obj.GetString("type")
536 url, _ = obj.GetString("url")
537 if ot == "Tombstone" {
538 xid, _ = obj.GetString("id")
539 } else {
540 audience = newphone(audience, obj)
541 xid, _ = obj.GetString("id")
542 precis, _ = obj.GetString("summary")
543 content, _ = obj.GetString("content")
544 if !strings.HasPrefix(content, "<p>") {
545 content = "<p>" + content
546 }
547 rid, _ = obj.GetString("inReplyTo")
548 convoy, _ = obj.GetString("context")
549 if convoy == "" {
550 convoy, _ = obj.GetString("conversation")
551 }
552 if ot == "Question" {
553 what = "qonk"
554 content += "<ul>"
555 ans, _ := obj.GetArray("oneOf")
556 for _, ai := range ans {
557 a, ok := ai.(junk.Junk)
558 if !ok {
559 continue
560 }
561 as, _ := a.GetString("name")
562 content += "<li>" + as
563 }
564 ans, _ = obj.GetArray("anyOf")
565 for _, ai := range ans {
566 a, ok := ai.(junk.Junk)
567 if !ok {
568 continue
569 }
570 as, _ := a.GetString("name")
571 content += "<li>" + as
572 }
573 content += "</ul>"
574 }
575 if what == "honk" && rid != "" {
576 what = "tonk"
577 }
578 }
579 atts, _ := obj.GetArray("attachment")
580 for i, atti := range atts {
581 att, ok := atti.(junk.Junk)
582 if !ok {
583 continue
584 }
585 at, _ := att.GetString("type")
586 mt, _ := att.GetString("mediaType")
587 u, _ := att.GetString("url")
588 name, _ := att.GetString("name")
589 localize := false
590 if i > 4 {
591 log.Printf("excessive attachment: %s", at)
592 } else if at == "Document" || at == "Image" {
593 mt = strings.ToLower(mt)
594 log.Printf("attachment: %s %s", mt, u)
595 if mt == "text/plain" || strings.HasPrefix(mt, "image") {
596 localize = true
597 }
598 } else {
599 log.Printf("unknown attachment: %s", at)
600 }
601 donk := savedonk(u, name, mt, localize)
602 if donk != nil {
603 xonk.Donks = append(xonk.Donks, donk)
604 }
605 }
606 tags, _ := obj.GetArray("tag")
607 for _, tagi := range tags {
608 tag, ok := tagi.(junk.Junk)
609 if !ok {
610 continue
611 }
612 tt, _ := tag.GetString("type")
613 name, _ := tag.GetString("name")
614 if tt == "Emoji" {
615 icon, _ := tag.GetMap("icon")
616 mt, _ := icon.GetString("mediaType")
617 if mt == "" {
618 mt = "image/png"
619 }
620 u, _ := icon.GetString("url")
621 donk := savedonk(u, name, mt, true)
622 if donk != nil {
623 xonk.Donks = append(xonk.Donks, donk)
624 }
625 }
626 }
627 }
628 if originate(xid) != origin {
629 log.Printf("original sin: %s <> %s", xid, origin)
630 item.Write(os.Stdout)
631 return nil
632 }
633 audience = append(audience, who)
634
635 audience = oneofakind(audience)
636
637 if currenttid == "" {
638 currenttid = convoy
639 }
640 if convoy == "" {
641 convoy = currenttid
642 }
643
644 if oonker == who {
645 oonker = ""
646 }
647 xonk.UserID = user.ID
648 xonk.What = what
649 xonk.Honker = who
650 xonk.XID = xid
651 xonk.RID = rid
652 xonk.Date, _ = time.Parse(time.RFC3339, dt)
653 xonk.URL = url
654 xonk.Noise = content
655 xonk.Precis = precis
656 xonk.Audience = audience
657 xonk.Convoy = convoy
658 xonk.Oonker = oonker
659
660 if needxonk(user, &xonk) {
661 if what == "tonk" {
662 if needxonkid(user, rid) {
663 saveoneup(rid)
664 }
665 }
666 return &xonk
667 }
668 return nil
669 }
670
671 return xonkxonkfn(item, origin)
672}
673
674func rubadubdub(user *WhatAbout, req junk.Junk) {
675 xid, _ := req.GetString("id")
676 actor, _ := req.GetString("actor")
677 j := junk.New()
678 j["@context"] = itiswhatitis
679 j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
680 j["type"] = "Accept"
681 j["actor"] = user.URL
682 j["to"] = actor
683 j["published"] = time.Now().UTC().Format(time.RFC3339)
684 j["object"] = req
685
686 var buf bytes.Buffer
687 j.Write(&buf)
688 msg := buf.Bytes()
689
690 deliverate(0, user.Name, actor, msg)
691}
692
693func itakeitallback(user *WhatAbout, xid string) {
694 j := junk.New()
695 j["@context"] = itiswhatitis
696 j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
697 j["type"] = "Undo"
698 j["actor"] = user.URL
699 j["to"] = xid
700 f := junk.New()
701 f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
702 f["type"] = "Follow"
703 f["actor"] = user.URL
704 f["to"] = xid
705 f["object"] = xid
706 j["object"] = f
707 j["published"] = time.Now().UTC().Format(time.RFC3339)
708
709 var buf bytes.Buffer
710 j.Write(&buf)
711 msg := buf.Bytes()
712
713 deliverate(0, user.Name, xid, msg)
714}
715
716func subsub(user *WhatAbout, xid string) {
717 j := junk.New()
718 j["@context"] = itiswhatitis
719 j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
720 j["type"] = "Follow"
721 j["actor"] = user.URL
722 j["to"] = xid
723 j["object"] = xid
724 j["published"] = time.Now().UTC().Format(time.RFC3339)
725
726 var buf bytes.Buffer
727 j.Write(&buf)
728 msg := buf.Bytes()
729
730 deliverate(0, user.Name, xid, msg)
731}
732
733var re_spicy = regexp.MustCompile("^(\U0001f336\ufe0f?){3,}")
734
735func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
736 dt := h.Date.Format(time.RFC3339)
737 var jo junk.Junk
738 j := junk.New()
739 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
740 j["actor"] = user.URL
741 j["published"] = dt
742 if h.Public {
743 j["to"] = []string{h.Audience[0], user.URL + "/followers"}
744 } else {
745 j["to"] = h.Audience[0]
746 }
747 if len(h.Audience) > 1 {
748 j["cc"] = h.Audience[1:]
749 }
750
751 switch h.What {
752 case "tonk":
753 fallthrough
754 case "honk":
755 j["type"] = "Create"
756
757 jo = junk.New()
758 jo["id"] = h.XID
759 jo["type"] = "Note"
760 jo["published"] = dt
761 jo["url"] = h.XID
762 jo["attributedTo"] = user.URL
763 if h.RID != "" {
764 jo["inReplyTo"] = h.RID
765 }
766 if h.Convoy != "" {
767 jo["context"] = h.Convoy
768 jo["conversation"] = h.Convoy
769 }
770 jo["to"] = h.Audience[0]
771 if len(h.Audience) > 1 {
772 jo["cc"] = h.Audience[1:]
773 }
774 if !h.Public {
775 jo["directMessage"] = true
776 }
777 jo["summary"] = h.Precis
778 jo["content"] = mentionize(h.Noise)
779 if strings.HasPrefix(h.Precis, "DZ:") {
780 jo["sensitive"] = true
781 } else if peppers := re_spicy.FindString(h.Noise); peppers != "" {
782 jo["summary"] = peppers
783 jo["sensitive"] = true
784 }
785
786 var tags []interface{}
787 g := bunchofgrapes(h.Noise)
788 for _, m := range g {
789 t := junk.New()
790 t["type"] = "Mention"
791 t["name"] = m.who
792 t["href"] = m.where
793 tags = append(tags, t)
794 }
795 ooo := ontologies(h.Noise)
796 for _, o := range ooo {
797 t := junk.New()
798 t["type"] = "Hashtag"
799 t["name"] = o
800 tags = append(tags, t)
801 }
802 herd := herdofemus(h.Noise)
803 for _, e := range herd {
804 t := junk.New()
805 t["id"] = e.ID
806 t["type"] = "Emoji"
807 t["name"] = e.Name
808 i := junk.New()
809 i["type"] = "Image"
810 i["mediaType"] = "image/png"
811 i["url"] = e.ID
812 t["icon"] = i
813 tags = append(tags, t)
814 }
815 if len(tags) > 0 {
816 jo["tag"] = tags
817 }
818 var atts []interface{}
819 for _, d := range h.Donks {
820 if re_emus.MatchString(d.Name) {
821 continue
822 }
823 jd := junk.New()
824 jd["mediaType"] = d.Media
825 jd["name"] = d.Name
826 jd["type"] = "Document"
827 jd["url"] = d.URL
828 atts = append(atts, jd)
829 }
830 if len(atts) > 0 {
831 jo["attachment"] = atts
832 }
833 j["object"] = jo
834 case "bonk":
835 j["type"] = "Announce"
836 if h.Convoy != "" {
837 j["context"] = h.Convoy
838 }
839 j["object"] = h.XID
840 case "zonk":
841 j["type"] = "Delete"
842 j["object"] = h.XID
843 }
844
845 return j, jo
846}
847
848func honkworldwide(user *WhatAbout, honk *Honk) {
849 jonk, _ := jonkjonk(user, honk)
850 jonk["@context"] = itiswhatitis
851 var buf bytes.Buffer
852 jonk.Write(&buf)
853 msg := buf.Bytes()
854
855 rcpts := make(map[string]bool)
856 for _, a := range honk.Audience {
857 if a != thewholeworld && a != user.URL && !strings.HasSuffix(a, "/followers") {
858 box, _ := getboxes(a)
859 if box != nil {
860 if honk.Public && box.Shared != "" {
861 rcpts["%"+box.Shared] = true
862 } else {
863 rcpts["%"+box.In] = true
864 }
865 } else {
866 rcpts[a] = true
867 }
868 }
869 }
870 if honk.Public {
871 for _, f := range getdubs(user.ID) {
872 box, _ := getboxes(f.XID)
873 if box != nil && box.Shared != "" {
874 rcpts["%"+box.Shared] = true
875 } else {
876 rcpts[f.XID] = true
877 }
878 }
879 }
880 for a := range rcpts {
881 go deliverate(0, user.Name, a, msg)
882 }
883}
884
885func asjonker(user *WhatAbout) junk.Junk {
886 about := obfusbreak(user.About)
887
888 j := junk.New()
889 j["@context"] = itiswhatitis
890 j["id"] = user.URL
891 j["type"] = "Person"
892 j["inbox"] = user.URL + "/inbox"
893 j["outbox"] = user.URL + "/outbox"
894 j["followers"] = user.URL + "/followers"
895 j["following"] = user.URL + "/following"
896 j["name"] = user.Display
897 j["preferredUsername"] = user.Name
898 j["summary"] = about
899 j["url"] = user.URL
900 a := junk.New()
901 a["type"] = "icon"
902 a["mediaType"] = "image/png"
903 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
904 j["icon"] = a
905 k := junk.New()
906 k["id"] = user.URL + "#key"
907 k["owner"] = user.URL
908 k["publicKeyPem"] = user.Key
909 j["publicKey"] = k
910
911 return j
912}
913
914var handfull = make(map[string]string)
915var handlock sync.Mutex
916
917func gofish(name string) string {
918 if name[0] == '@' {
919 name = name[1:]
920 }
921 m := strings.Split(name, "@")
922 if len(m) != 2 {
923 log.Printf("bad fish name: %s", name)
924 return ""
925 }
926 handlock.Lock()
927 ref, ok := handfull[name]
928 handlock.Unlock()
929 if ok {
930 return ref
931 }
932 row := stmtGetXonker.QueryRow(name, "fishname")
933 var href string
934 err := row.Scan(&href)
935 if err == nil {
936 handlock.Lock()
937 handfull[name] = href
938 handlock.Unlock()
939 return href
940 }
941 log.Printf("fishing for %s", name)
942 j, err := GetJunk(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
943 if err != nil {
944 log.Printf("failed to go fish %s: %s", name, err)
945 handlock.Lock()
946 handfull[name] = ""
947 handlock.Unlock()
948 return ""
949 }
950 links, _ := j.GetArray("links")
951 for _, li := range links {
952 l, ok := li.(junk.Junk)
953 if !ok {
954 continue
955 }
956 href, _ := l.GetString("href")
957 rel, _ := l.GetString("rel")
958 t, _ := l.GetString("type")
959 if rel == "self" && friendorfoe(t) {
960 stmtSaveXonker.Exec(name, href, "fishname")
961 handlock.Lock()
962 handfull[name] = href
963 handlock.Unlock()
964 return href
965 }
966 }
967 handlock.Lock()
968 handfull[name] = ""
969 handlock.Unlock()
970 return ""
971}
972
973func investigate(name string) string {
974 if name == "" {
975 return ""
976 }
977 if name[0] == '@' {
978 name = gofish(name)
979 }
980 if name == "" {
981 return ""
982 }
983 obj, err := GetJunk(name)
984 if err != nil {
985 log.Printf("error investigating honker: %s", err)
986 return ""
987 }
988 t, _ := obj.GetString("type")
989 id, _ := obj.GetString("id")
990 if t != "Person" {
991 log.Printf("it's not a person! %s", name)
992 return ""
993 }
994 return id
995}