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 consumeactivity(user *WhatAbout, j junk.Junk, origin string) {
423 xonk := xonkxonk(user, j, origin)
424 if xonk != nil {
425 savexonk(user, xonk)
426 }
427}
428
429func xonkxonk(user *WhatAbout, item junk.Junk, origin string) *Honk {
430 depth := 0
431 maxdepth := 4
432 currenttid := ""
433 var xonkxonkfn func(item junk.Junk, origin string) *Honk
434
435 saveoneup := func(xid string) {
436 log.Printf("getting oneup: %s", xid)
437 if depth >= maxdepth {
438 log.Printf("in too deep")
439 return
440 }
441 obj, err := GetJunk(xid)
442 if err != nil {
443 log.Printf("error getting oneup: %s", err)
444 return
445 }
446 depth++
447 xonk := xonkxonkfn(obj, originate(xid))
448 if xonk != nil {
449 savexonk(user, xonk)
450 }
451 depth--
452 }
453
454 xonkxonkfn = func(item junk.Junk, origin string) *Honk {
455 // id, _ := item.GetString( "id")
456 what, _ := item.GetString("type")
457 dt, _ := item.GetString("published")
458
459 var audience []string
460 var err error
461 var xid, rid, url, content, precis, convoy, oonker string
462 var obj junk.Junk
463 var ok bool
464 switch what {
465 case "Announce":
466 obj, ok = item.GetMap("object")
467 if ok {
468 xid, _ = obj.GetString("id")
469 } else {
470 xid, _ = item.GetString("object")
471 }
472 if !needxonkid(user, xid) {
473 return nil
474 }
475 log.Printf("getting bonk: %s", xid)
476 obj, err = GetJunk(xid)
477 if err != nil {
478 log.Printf("error regetting: %s", err)
479 }
480 origin = originate(xid)
481 what = "bonk"
482 case "Create":
483 obj, _ = item.GetMap("object")
484 what = "honk"
485 case "Delete":
486 obj, _ = item.GetMap("object")
487 xid, _ = item.GetString("object")
488 what = "eradicate"
489 case "Question":
490 fallthrough
491 case "Note":
492 fallthrough
493 case "Article":
494 fallthrough
495 case "Page":
496 obj = item
497 what = "honk"
498 default:
499 log.Printf("unknown activity: %s", what)
500 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
501 item.Write(fd)
502 io.WriteString(fd, "\n")
503 fd.Close()
504 return nil
505 }
506
507 var xonk Honk
508 who, _ := item.GetString("actor")
509 if obj != nil {
510 if who == "" {
511 who, _ = obj.GetString("attributedTo")
512 }
513 oonker, _ = obj.GetString("attributedTo")
514 ot, _ := obj.GetString("type")
515 url, _ = obj.GetString("url")
516 if ot == "Note" || ot == "Article" || ot == "Page" || ot == "Question" {
517 audience = newphone(audience, obj)
518 xid, _ = obj.GetString("id")
519 precis, _ = obj.GetString("summary")
520 content, _ = obj.GetString("content")
521 if !strings.HasPrefix(content, "<p>") {
522 content = "<p>" + content
523 }
524 rid, _ = obj.GetString("inReplyTo")
525 convoy, _ = obj.GetString("context")
526 if convoy == "" {
527 convoy, _ = obj.GetString("conversation")
528 }
529 if ot == "Question" {
530 what = "qonk"
531 content += "<ul>"
532 ans, _ := obj.GetArray("oneOf")
533 for _, ai := range ans {
534 a, ok := ai.(junk.Junk)
535 if !ok {
536 continue
537 }
538 as, _ := a.GetString("name")
539 content += "<li>" + as
540 }
541 ans, _ = obj.GetArray("anyOf")
542 for _, ai := range ans {
543 a, ok := ai.(junk.Junk)
544 if !ok {
545 continue
546 }
547 as, _ := a.GetString("name")
548 content += "<li>" + as
549 }
550 content += "</ul>"
551 }
552 if what == "honk" && rid != "" {
553 what = "tonk"
554 }
555 }
556 if ot == "Tombstone" {
557 xid, _ = obj.GetString("id")
558 }
559 atts, _ := obj.GetArray("attachment")
560 for i, atti := range atts {
561 att, ok := atti.(junk.Junk)
562 if !ok {
563 continue
564 }
565 at, _ := att.GetString("type")
566 mt, _ := att.GetString("mediaType")
567 u, _ := att.GetString("url")
568 name, _ := att.GetString("name")
569 localize := false
570 if i > 4 {
571 log.Printf("excessive attachment: %s", at)
572 } else if at == "Document" || at == "Image" {
573 mt = strings.ToLower(mt)
574 log.Printf("attachment: %s %s", mt, u)
575 if mt == "text/plain" || strings.HasPrefix(mt, "image") {
576 localize = true
577 }
578 } else {
579 log.Printf("unknown attachment: %s", at)
580 }
581 donk := savedonk(u, name, mt, localize)
582 if donk != nil {
583 xonk.Donks = append(xonk.Donks, donk)
584 }
585 }
586 tags, _ := obj.GetArray("tag")
587 for _, tagi := range tags {
588 tag, ok := tagi.(junk.Junk)
589 if !ok {
590 continue
591 }
592 tt, _ := tag.GetString("type")
593 name, _ := tag.GetString("name")
594 if tt == "Emoji" {
595 icon, _ := tag.GetMap("icon")
596 mt, _ := icon.GetString("mediaType")
597 if mt == "" {
598 mt = "image/png"
599 }
600 u, _ := icon.GetString("url")
601 donk := savedonk(u, name, mt, true)
602 if donk != nil {
603 xonk.Donks = append(xonk.Donks, donk)
604 }
605 }
606 }
607 }
608 if originate(xid) != origin {
609 log.Printf("original sin: %s <> %s", xid, origin)
610 item.Write(os.Stdout)
611 return nil
612 }
613 audience = append(audience, who)
614
615 audience = oneofakind(audience)
616
617 if currenttid == "" {
618 currenttid = convoy
619 }
620 if convoy == "" {
621 convoy = currenttid
622 }
623
624 if oonker == who {
625 oonker = ""
626 }
627 xonk.UserID = user.ID
628 xonk.What = what
629 xonk.Honker = who
630 xonk.XID = xid
631 xonk.RID = rid
632 xonk.Date, _ = time.Parse(time.RFC3339, dt)
633 xonk.URL = url
634 xonk.Noise = content
635 xonk.Precis = precis
636 xonk.Audience = audience
637 xonk.Convoy = convoy
638 xonk.Oonker = oonker
639
640 if needxonk(user, &xonk) {
641 if what == "tonk" {
642 if needxonkid(user, rid) {
643 saveoneup(rid)
644 }
645 }
646 return &xonk
647 }
648 return nil
649 }
650
651 return xonkxonkfn(item, origin)
652}
653
654func rubadubdub(user *WhatAbout, req junk.Junk) {
655 xid, _ := req.GetString("id")
656 actor, _ := req.GetString("actor")
657 j := junk.New()
658 j["@context"] = itiswhatitis
659 j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
660 j["type"] = "Accept"
661 j["actor"] = user.URL
662 j["to"] = actor
663 j["published"] = time.Now().UTC().Format(time.RFC3339)
664 j["object"] = req
665
666 var buf bytes.Buffer
667 j.Write(&buf)
668 msg := buf.Bytes()
669
670 deliverate(0, user.Name, actor, msg)
671}
672
673func itakeitallback(user *WhatAbout, xid string) {
674 j := junk.New()
675 j["@context"] = itiswhatitis
676 j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
677 j["type"] = "Undo"
678 j["actor"] = user.URL
679 j["to"] = xid
680 f := junk.New()
681 f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
682 f["type"] = "Follow"
683 f["actor"] = user.URL
684 f["to"] = xid
685 f["object"] = xid
686 j["object"] = f
687 j["published"] = time.Now().UTC().Format(time.RFC3339)
688
689 var buf bytes.Buffer
690 j.Write(&buf)
691 msg := buf.Bytes()
692
693 deliverate(0, user.Name, xid, msg)
694}
695
696func subsub(user *WhatAbout, xid string) {
697 j := junk.New()
698 j["@context"] = itiswhatitis
699 j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
700 j["type"] = "Follow"
701 j["actor"] = user.URL
702 j["to"] = xid
703 j["object"] = xid
704 j["published"] = time.Now().UTC().Format(time.RFC3339)
705
706 var buf bytes.Buffer
707 j.Write(&buf)
708 msg := buf.Bytes()
709
710 deliverate(0, user.Name, xid, msg)
711}
712
713var re_spicy = regexp.MustCompile("^(\U0001f336\ufe0f?){3,}")
714
715func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
716 dt := h.Date.Format(time.RFC3339)
717 var jo junk.Junk
718 j := junk.New()
719 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
720 j["actor"] = user.URL
721 j["published"] = dt
722 if h.Public {
723 j["to"] = []string{h.Audience[0], user.URL + "/followers"}
724 } else {
725 j["to"] = h.Audience[0]
726 }
727 if len(h.Audience) > 1 {
728 j["cc"] = h.Audience[1:]
729 }
730
731 switch h.What {
732 case "tonk":
733 fallthrough
734 case "honk":
735 j["type"] = "Create"
736
737 jo = junk.New()
738 jo["id"] = h.XID
739 jo["type"] = "Note"
740 jo["published"] = dt
741 jo["url"] = h.XID
742 jo["attributedTo"] = user.URL
743 if h.RID != "" {
744 jo["inReplyTo"] = h.RID
745 }
746 if h.Convoy != "" {
747 jo["context"] = h.Convoy
748 jo["conversation"] = h.Convoy
749 }
750 jo["to"] = h.Audience[0]
751 if len(h.Audience) > 1 {
752 jo["cc"] = h.Audience[1:]
753 }
754 if !h.Public {
755 jo["directMessage"] = true
756 }
757 jo["summary"] = h.Precis
758 jo["content"] = mentionize(h.Noise)
759 if strings.HasPrefix(h.Precis, "DZ:") {
760 jo["sensitive"] = true
761 } else if peppers := re_spicy.FindString(h.Noise); peppers != "" {
762 jo["summary"] = peppers
763 jo["sensitive"] = true
764 }
765
766 var tags []interface{}
767 g := bunchofgrapes(h.Noise)
768 for _, m := range g {
769 t := junk.New()
770 t["type"] = "Mention"
771 t["name"] = m.who
772 t["href"] = m.where
773 tags = append(tags, t)
774 }
775 ooo := ontologies(h.Noise)
776 for _, o := range ooo {
777 t := junk.New()
778 t["type"] = "Hashtag"
779 t["name"] = o
780 tags = append(tags, t)
781 }
782 herd := herdofemus(h.Noise)
783 for _, e := range herd {
784 t := junk.New()
785 t["id"] = e.ID
786 t["type"] = "Emoji"
787 t["name"] = e.Name
788 i := junk.New()
789 i["type"] = "Image"
790 i["mediaType"] = "image/png"
791 i["url"] = e.ID
792 t["icon"] = i
793 tags = append(tags, t)
794 }
795 if len(tags) > 0 {
796 jo["tag"] = tags
797 }
798 var atts []interface{}
799 for _, d := range h.Donks {
800 if re_emus.MatchString(d.Name) {
801 continue
802 }
803 jd := junk.New()
804 jd["mediaType"] = d.Media
805 jd["name"] = d.Name
806 jd["type"] = "Document"
807 jd["url"] = d.URL
808 atts = append(atts, jd)
809 }
810 if len(atts) > 0 {
811 jo["attachment"] = atts
812 }
813 j["object"] = jo
814 case "bonk":
815 j["type"] = "Announce"
816 if h.Convoy != "" {
817 j["context"] = h.Convoy
818 }
819 j["object"] = h.XID
820 case "zonk":
821 j["type"] = "Delete"
822 j["object"] = h.XID
823 }
824
825 return j, jo
826}
827
828func honkworldwide(user *WhatAbout, honk *Honk) {
829 jonk, _ := jonkjonk(user, honk)
830 jonk["@context"] = itiswhatitis
831 var buf bytes.Buffer
832 jonk.Write(&buf)
833 msg := buf.Bytes()
834
835 rcpts := make(map[string]bool)
836 for _, a := range honk.Audience {
837 if a != thewholeworld && a != user.URL && !strings.HasSuffix(a, "/followers") {
838 box, _ := getboxes(a)
839 if box != nil {
840 if honk.Public && box.Shared != "" {
841 rcpts["%"+box.Shared] = true
842 } else {
843 rcpts["%"+box.In] = true
844 }
845 } else {
846 rcpts[a] = true
847 }
848 }
849 }
850 if honk.Public {
851 for _, f := range getdubs(user.ID) {
852 box, _ := getboxes(f.XID)
853 if box != nil && box.Shared != "" {
854 rcpts["%"+box.Shared] = true
855 } else {
856 rcpts[f.XID] = true
857 }
858 }
859 }
860 for a := range rcpts {
861 go deliverate(0, user.Name, a, msg)
862 }
863}
864
865func asjonker(user *WhatAbout) junk.Junk {
866 about := obfusbreak(user.About)
867
868 j := junk.New()
869 j["@context"] = itiswhatitis
870 j["id"] = user.URL
871 j["type"] = "Person"
872 j["inbox"] = user.URL + "/inbox"
873 j["outbox"] = user.URL + "/outbox"
874 j["followers"] = user.URL + "/followers"
875 j["following"] = user.URL + "/following"
876 j["name"] = user.Display
877 j["preferredUsername"] = user.Name
878 j["summary"] = about
879 j["url"] = user.URL
880 a := junk.New()
881 a["type"] = "icon"
882 a["mediaType"] = "image/png"
883 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
884 j["icon"] = a
885 k := junk.New()
886 k["id"] = user.URL + "#key"
887 k["owner"] = user.URL
888 k["publicKeyPem"] = user.Key
889 j["publicKey"] = k
890
891 return j
892}
893
894var handfull = make(map[string]string)
895var handlock sync.Mutex
896
897func gofish(name string) string {
898 if name[0] == '@' {
899 name = name[1:]
900 }
901 m := strings.Split(name, "@")
902 if len(m) != 2 {
903 log.Printf("bad fish name: %s", name)
904 return ""
905 }
906 handlock.Lock()
907 ref, ok := handfull[name]
908 handlock.Unlock()
909 if ok {
910 return ref
911 }
912 row := stmtGetXonker.QueryRow(name, "fishname")
913 var href string
914 err := row.Scan(&href)
915 if err == nil {
916 handlock.Lock()
917 handfull[name] = href
918 handlock.Unlock()
919 return href
920 }
921 log.Printf("fishing for %s", name)
922 j, err := GetJunk(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
923 if err != nil {
924 log.Printf("failed to go fish %s: %s", name, err)
925 handlock.Lock()
926 handfull[name] = ""
927 handlock.Unlock()
928 return ""
929 }
930 links, _ := j.GetArray("links")
931 for _, li := range links {
932 l, ok := li.(junk.Junk)
933 if !ok {
934 continue
935 }
936 href, _ := l.GetString("href")
937 rel, _ := l.GetString("rel")
938 t, _ := l.GetString("type")
939 if rel == "self" && friendorfoe(t) {
940 stmtSaveXonker.Exec(name, href, "fishname")
941 handlock.Lock()
942 handfull[name] = href
943 handlock.Unlock()
944 return href
945 }
946 }
947 handlock.Lock()
948 handfull[name] = ""
949 handlock.Unlock()
950 return ""
951}
952
953func investigate(name string) string {
954 if name == "" {
955 return ""
956 }
957 if name[0] == '@' {
958 name = gofish(name)
959 }
960 if name == "" {
961 return ""
962 }
963 obj, err := GetJunk(name)
964 if err != nil {
965 log.Printf("error investigating honker: %s", err)
966 return ""
967 }
968 t, _ := obj.GetString("type")
969 id, _ := obj.GetString("id")
970 if t != "Person" {
971 log.Printf("it's not a person! %s", name)
972 return ""
973 }
974 return id
975}