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