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