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