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