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 mh := re_unurl.FindStringSubmatch(x.Honker)
274 mr := re_unurl.FindStringSubmatch(x.RID)
275 if len(mh) < 2 || len(mr) < 2 || mh[1] != mr[1] {
276 log.Printf("not deleting owner mismatch")
277 return
278 }
279 xonk := getxonk(user.ID, x.RID)
280 if xonk != nil {
281 stmtZonkDonks.Exec(xonk.ID)
282 _, err := stmtZonkIt.Exec(user.ID, x.RID)
283 if err != nil {
284 log.Printf("error eradicating: %s", err)
285 }
286 }
287 return
288 }
289 log.Printf("saving xonk: %s", x.XID)
290 dt := x.Date.UTC().Format(dbtimeformat)
291 aud := strings.Join(x.Audience, " ")
292 whofore := 0
293 if strings.Contains(aud, user.URL) {
294 whofore = 1
295 }
296 res, err := stmtSaveHonk.Exec(x.UserID, x.What, x.Honker, x.XID, x.RID, dt, x.URL, aud,
297 x.Noise, x.Convoy, whofore, "html", x.Precis, x.Oonker)
298 if err != nil {
299 log.Printf("err saving xonk: %s", err)
300 return
301 }
302 x.ID, _ = res.LastInsertId()
303 for _, d := range x.Donks {
304 _, err = stmtSaveDonk.Exec(x.ID, d.FileID)
305 if err != nil {
306 log.Printf("err saving donk: %s", err)
307 return
308 }
309 }
310}
311
312type Box struct {
313 In string
314 Out string
315 Shared string
316}
317
318var boxofboxes = make(map[string]*Box)
319var boxlock sync.Mutex
320var boxinglock sync.Mutex
321
322func getboxes(ident string) (*Box, error) {
323 boxlock.Lock()
324 b, ok := boxofboxes[ident]
325 boxlock.Unlock()
326 if ok {
327 return b, nil
328 }
329
330 boxinglock.Lock()
331 defer boxinglock.Unlock()
332
333 boxlock.Lock()
334 b, ok = boxofboxes[ident]
335 boxlock.Unlock()
336 if ok {
337 return b, nil
338 }
339
340 row := stmtGetBoxes.QueryRow(ident)
341 b = &Box{}
342 err := row.Scan(&b.In, &b.Out, &b.Shared)
343 if err != nil {
344 j, err := GetJunk(ident)
345 if err != nil {
346 return nil, err
347 }
348 inbox, _ := jsongetstring(j, "inbox")
349 outbox, _ := jsongetstring(j, "outbox")
350 sbox, _ := jsonfindstring(j, []string{"endpoints", "sharedInbox"})
351 b = &Box{In: inbox, Out: outbox, Shared: sbox}
352 if inbox != "" {
353 _, err = stmtSaveBoxes.Exec(ident, inbox, outbox, sbox, "")
354 if err != nil {
355 log.Printf("error saving boxes: %s", err)
356 }
357 }
358 }
359 boxlock.Lock()
360 boxofboxes[ident] = b
361 boxlock.Unlock()
362 return b, nil
363}
364
365func peeppeep() {
366 user, _ := butwhatabout("htest")
367 honkers := gethonkers(user.ID)
368 for _, f := range honkers {
369 if f.Flavor != "peep" {
370 continue
371 }
372 log.Printf("getting updates: %s", f.XID)
373 box, err := getboxes(f.XID)
374 if err != nil {
375 log.Printf("error getting outbox: %s", err)
376 continue
377 }
378 log.Printf("getting outbox")
379 j, err := GetJunk(box.Out)
380 if err != nil {
381 log.Printf("err: %s", err)
382 continue
383 }
384 t, _ := jsongetstring(j, "type")
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)
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 xonkxonk(user *WhatAbout, item interface{}) *Honk {
438 depth := 0
439 maxdepth := 4
440 var xonkxonkfn func(item interface{}) *Honk
441
442 saveoneup := func(xid string) {
443 log.Printf("getting oneup: %s", xid)
444 if depth >= maxdepth {
445 log.Printf("in too deep")
446 return
447 }
448 obj, err := GetJunk(xid)
449 if err != nil {
450 log.Printf("error getting oneup: %s", err)
451 return
452 }
453 depth++
454 xonk := xonkxonkfn(obj)
455 if xonk != nil {
456 savexonk(user, xonk)
457 }
458 depth--
459 }
460
461 xonkxonkfn = func(item interface{}) *Honk {
462 // id, _ := jsongetstring(item, "id")
463 what, _ := jsongetstring(item, "type")
464 dt, _ := jsongetstring(item, "published")
465
466 var audience []string
467 var err error
468 var xid, rid, url, content, precis, convoy, oonker string
469 var obj map[string]interface{}
470 var ok bool
471 switch what {
472 case "Announce":
473 obj, ok = jsongetmap(item, "object")
474 if ok {
475 xid, _ = jsongetstring(obj, "id")
476 } else {
477 xid, _ = jsongetstring(item, "object")
478 }
479 if !needxonkid(user, xid) {
480 return nil
481 }
482 log.Printf("getting bonk: %s", xid)
483 obj, err = GetJunk(xid)
484 if err != nil {
485 log.Printf("error regetting: %s", err)
486 }
487 what = "bonk"
488 case "Create":
489 obj, _ = jsongetmap(item, "object")
490 what = "honk"
491 case "Delete":
492 obj, _ = jsongetmap(item, "object")
493 rid, _ = jsongetstring(item, "object")
494 what = "eradicate"
495 case "Note":
496 fallthrough
497 case "Article":
498 fallthrough
499 case "Page":
500 obj = item.(map[string]interface{})
501 what = "honk"
502 default:
503 log.Printf("unknown activity: %s", what)
504 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
505 WriteJunk(fd, item.(map[string]interface{}))
506 io.WriteString(fd, "\n")
507 fd.Close()
508 return nil
509 }
510
511 var xonk Honk
512 who, _ := jsongetstring(item, "actor")
513 if obj != nil {
514 if who == "" {
515 who, _ = jsongetstring(obj, "attributedTo")
516 }
517 oonker, _ = jsongetstring(obj, "attributedTo")
518 ot, _ := jsongetstring(obj, "type")
519 url, _ = jsongetstring(obj, "url")
520 if ot == "Note" || ot == "Article" || ot == "Page" {
521 audience = newphone(audience, obj)
522 xid, _ = jsongetstring(obj, "id")
523 precis, _ = jsongetstring(obj, "summary")
524 content, _ = jsongetstring(obj, "content")
525 if !strings.HasPrefix(content, "<p>") {
526 content = "<p>" + content
527 }
528 rid, _ = jsongetstring(obj, "inReplyTo")
529 convoy, _ = jsongetstring(obj, "context")
530 if convoy == "" {
531 convoy, _ = jsongetstring(obj, "conversation")
532 }
533 if what == "honk" && rid != "" {
534 what = "tonk"
535 }
536 }
537 if ot == "Tombstone" {
538 rid, _ = jsongetstring(obj, "id")
539 }
540 atts, _ := jsongetarray(obj, "attachment")
541 for i, att := range atts {
542 at, _ := jsongetstring(att, "type")
543 mt, _ := jsongetstring(att, "mediaType")
544 u, _ := jsongetstring(att, "url")
545 name, _ := jsongetstring(att, "name")
546 if i < 4 && (at == "Document" || at == "Image") {
547 mt = strings.ToLower(mt)
548 log.Printf("attachment: %s %s", mt, u)
549 if mt == "image/jpeg" || mt == "image/png" ||
550 mt == "text/plain" {
551 donk := savedonk(u, name, mt)
552 if donk != nil {
553 xonk.Donks = append(xonk.Donks, donk)
554 }
555 } else {
556 u = html.EscapeString(u)
557 content += fmt.Sprintf(
558 `<p>External attachment: <a href="%s" rel=noreferrer>%s</a>`, u, u)
559 }
560 } else {
561 log.Printf("unknown attachment: %s", at)
562 }
563 }
564 tags, _ := jsongetarray(obj, "tag")
565 for _, tag := range tags {
566 tt, _ := jsongetstring(tag, "type")
567 name, _ := jsongetstring(tag, "name")
568 if tt == "Emoji" {
569 icon, _ := jsongetmap(tag, "icon")
570 mt, _ := jsongetstring(icon, "mediaType")
571 if mt == "" {
572 mt = "image/png"
573 }
574 u, _ := jsongetstring(icon, "url")
575 donk := savedonk(u, name, mt)
576 if donk != nil {
577 xonk.Donks = append(xonk.Donks, donk)
578 }
579 }
580 }
581 }
582 audience = append(audience, who)
583
584 audience = oneofakind(audience)
585
586 if oonker == who {
587 oonker = ""
588 }
589 xonk.UserID = user.ID
590 xonk.What = what
591 xonk.Honker = who
592 xonk.XID = xid
593 xonk.RID = rid
594 xonk.Date, _ = time.Parse(time.RFC3339, dt)
595 xonk.URL = url
596 xonk.Noise = content
597 xonk.Precis = precis
598 xonk.Audience = audience
599 xonk.Convoy = convoy
600 xonk.Oonker = oonker
601
602 if needxonk(user, &xonk) {
603 if what == "tonk" {
604 if needxonkid(user, rid) {
605 saveoneup(rid)
606 }
607 }
608 return &xonk
609 }
610 return nil
611 }
612
613 return xonkxonkfn(item)
614}
615
616func rubadubdub(user *WhatAbout, req map[string]interface{}) {
617 xid, _ := jsongetstring(req, "id")
618 reqactor, _ := jsongetstring(req, "actor")
619 j := NewJunk()
620 j["@context"] = itiswhatitis
621 j["id"] = user.URL + "/dub/" + xid
622 j["type"] = "Accept"
623 j["actor"] = user.URL
624 j["to"] = reqactor
625 j["published"] = time.Now().UTC().Format(time.RFC3339)
626 j["object"] = req
627
628 WriteJunk(os.Stdout, j)
629
630 actor, _ := jsongetstring(req, "actor")
631 box, err := getboxes(actor)
632 if err != nil {
633 log.Printf("can't get dub box: %s", err)
634 return
635 }
636 keyname, key := ziggy(user.Name)
637 err = PostJunk(keyname, key, box.In, j)
638 if err != nil {
639 log.Printf("can't rub a dub: %s", err)
640 return
641 }
642 stmtSaveDub.Exec(user.ID, actor, actor, "dub")
643}
644
645func itakeitallback(user *WhatAbout, xid string) error {
646 j := NewJunk()
647 j["@context"] = itiswhatitis
648 j["id"] = user.URL + "/unsub/" + xid
649 j["type"] = "Undo"
650 j["actor"] = user.URL
651 j["to"] = xid
652 f := NewJunk()
653 f["id"] = user.URL + "/sub/" + xid
654 f["type"] = "Follow"
655 f["actor"] = user.URL
656 f["to"] = xid
657 j["object"] = f
658 j["published"] = time.Now().UTC().Format(time.RFC3339)
659
660 box, err := getboxes(xid)
661 if err != nil {
662 return err
663 }
664 keyname, key := ziggy(user.Name)
665 err = PostJunk(keyname, key, box.In, j)
666 if err != nil {
667 return err
668 }
669 return nil
670}
671
672func subsub(user *WhatAbout, xid string) {
673 j := NewJunk()
674 j["@context"] = itiswhatitis
675 j["id"] = user.URL + "/sub/" + xid
676 j["type"] = "Follow"
677 j["actor"] = user.URL
678 j["to"] = xid
679 j["object"] = xid
680 j["published"] = time.Now().UTC().Format(time.RFC3339)
681
682 box, err := getboxes(xid)
683 if err != nil {
684 log.Printf("can't send follow: %s", err)
685 return
686 }
687 WriteJunk(os.Stdout, j)
688 keyname, key := ziggy(user.Name)
689 err = PostJunk(keyname, key, box.In, j)
690 if err != nil {
691 log.Printf("failed to subsub: %s", err)
692 }
693}
694
695func jonkjonk(user *WhatAbout, h *Honk) (map[string]interface{}, map[string]interface{}) {
696 dt := h.Date.Format(time.RFC3339)
697 var jo map[string]interface{}
698 j := NewJunk()
699 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
700 j["actor"] = user.URL
701 j["published"] = dt
702 j["to"] = h.Audience[0]
703 if len(h.Audience) > 1 {
704 j["cc"] = h.Audience[1:]
705 }
706
707 switch h.What {
708 case "tonk":
709 fallthrough
710 case "honk":
711 j["type"] = "Create"
712
713 jo = NewJunk()
714 jo["id"] = h.XID
715 jo["type"] = "Note"
716 jo["published"] = dt
717 jo["url"] = h.XID
718 jo["attributedTo"] = user.URL
719 if h.RID != "" {
720 jo["inReplyTo"] = h.RID
721 }
722 if h.Convoy != "" {
723 jo["context"] = h.Convoy
724 jo["conversation"] = h.Convoy
725 }
726 jo["to"] = h.Audience[0]
727 if len(h.Audience) > 1 {
728 jo["cc"] = h.Audience[1:]
729 }
730 jo["summary"] = h.Precis
731 jo["content"] = mentionize(h.Noise)
732 if strings.HasPrefix(h.Precis, "DZ:") {
733 jo["sensitive"] = true
734 }
735 var tags []interface{}
736 g := bunchofgrapes(h.Noise)
737 for _, m := range g {
738 t := NewJunk()
739 t["type"] = "Mention"
740 t["name"] = m.who
741 t["href"] = m.where
742 tags = append(tags, t)
743 }
744 herd := herdofemus(h.Noise)
745 for _, e := range herd {
746 t := NewJunk()
747 t["id"] = e.ID
748 t["type"] = "Emoji"
749 t["name"] = e.Name
750 i := NewJunk()
751 i["type"] = "Image"
752 i["mediaType"] = "image/png"
753 i["url"] = e.ID
754 t["icon"] = i
755 tags = append(tags, t)
756 }
757 if len(tags) > 0 {
758 jo["tag"] = tags
759 }
760 var atts []interface{}
761 for _, d := range h.Donks {
762 if re_emus.MatchString(d.Name) {
763 continue
764 }
765 jd := NewJunk()
766 jd["mediaType"] = d.Media
767 jd["name"] = d.Name
768 jd["type"] = "Document"
769 jd["url"] = d.URL
770 atts = append(atts, jd)
771 }
772 if len(atts) > 0 {
773 jo["attachment"] = atts
774 }
775 j["object"] = jo
776 case "bonk":
777 j["type"] = "Announce"
778 j["object"] = h.XID
779 case "zonk":
780 j["type"] = "Delete"
781 j["object"] = h.XID
782 }
783
784 return j, jo
785}
786
787func honkworldwide(user *WhatAbout, honk *Honk) {
788 jonk, _ := jonkjonk(user, honk)
789 jonk["@context"] = itiswhatitis
790 var buf bytes.Buffer
791 WriteJunk(&buf, jonk)
792 msg := buf.Bytes()
793
794 rcpts := make(map[string]bool)
795 for _, a := range honk.Audience {
796 if a != thewholeworld && a != user.URL && !strings.HasSuffix(a, "/followers") {
797 box, _ := getboxes(a)
798 if box != nil && box.Shared != "" {
799 rcpts["%"+box.Shared] = true
800 } else {
801 rcpts[a] = true
802 }
803 }
804 }
805 for _, f := range getdubs(user.ID) {
806 box, _ := getboxes(f.XID)
807 if box != nil && box.Shared != "" {
808 rcpts["%"+box.Shared] = true
809 } else {
810 rcpts[f.XID] = true
811 }
812 }
813 for a := range rcpts {
814 go deliverate(0, user.Name, a, msg)
815 }
816}
817
818func asjonker(user *WhatAbout) map[string]interface{} {
819 about := obfusbreak(user.About)
820
821 j := NewJunk()
822 j["@context"] = itiswhatitis
823 j["id"] = user.URL
824 j["type"] = "Person"
825 j["inbox"] = user.URL + "/inbox"
826 j["outbox"] = user.URL + "/outbox"
827 j["followers"] = user.URL + "/followers"
828 j["following"] = user.URL + "/following"
829 j["name"] = user.Display
830 j["preferredUsername"] = user.Name
831 j["summary"] = about
832 j["url"] = user.URL
833 a := NewJunk()
834 a["type"] = "icon"
835 a["mediaType"] = "image/png"
836 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
837 j["icon"] = a
838 k := NewJunk()
839 k["id"] = user.URL + "#key"
840 k["owner"] = user.URL
841 k["publicKeyPem"] = user.Key
842 j["publicKey"] = k
843
844 return j
845}
846
847var handfull = make(map[string]string)
848var handlock sync.Mutex
849
850func gofish(name string) string {
851 if name[0] == '@' {
852 name = name[1:]
853 }
854 m := strings.Split(name, "@")
855 if len(m) != 2 {
856 log.Printf("bad fish name: %s", name)
857 return ""
858 }
859 handlock.Lock()
860 ref, ok := handfull[name]
861 handlock.Unlock()
862 if ok {
863 return ref
864 }
865 db := opendatabase()
866 row := db.QueryRow("select ibox from xonkers where xid = ?", name)
867 var href string
868 err := row.Scan(&href)
869 if err == nil {
870 handlock.Lock()
871 handfull[name] = href
872 handlock.Unlock()
873 return href
874 }
875 log.Printf("fishing for %s", name)
876 j, err := GetJunk(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
877 if err != nil {
878 log.Printf("failed to go fish %s: %s", name, err)
879 handlock.Lock()
880 handfull[name] = ""
881 handlock.Unlock()
882 return ""
883 }
884 links, _ := jsongetarray(j, "links")
885 for _, l := range links {
886 href, _ := jsongetstring(l, "href")
887 rel, _ := jsongetstring(l, "rel")
888 t, _ := jsongetstring(l, "type")
889 if rel == "self" && friendorfoe(t) {
890 db.Exec("insert into xonkers (xid, ibox, obox, sbox, pubkey) values (?, ?, ?, ?, ?)",
891 name, href, "", "", "")
892 handlock.Lock()
893 handfull[name] = href
894 handlock.Unlock()
895 return href
896 }
897 }
898 handlock.Lock()
899 handfull[name] = ""
900 handlock.Unlock()
901 return ""
902}