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 "crypto/rsa"
21 "database/sql"
22 "fmt"
23 "io"
24 "log"
25 notrand "math/rand"
26 "net/http"
27 "net/url"
28 "os"
29 "strings"
30 "sync"
31 "time"
32
33 "humungus.tedunangst.com/r/webs/httpsig"
34 "humungus.tedunangst.com/r/webs/image"
35 "humungus.tedunangst.com/r/webs/junk"
36)
37
38var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
39var thefakename = `application/activity+json`
40var falsenames = []string{
41 `application/ld+json`,
42 `application/activity+json`,
43}
44var itiswhatitis = "https://www.w3.org/ns/activitystreams"
45var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
46
47func friendorfoe(ct string) bool {
48 ct = strings.ToLower(ct)
49 for _, at := range falsenames {
50 if strings.HasPrefix(ct, at) {
51 return true
52 }
53 }
54 return false
55}
56
57func PostJunk(keyname string, key *rsa.PrivateKey, url string, j junk.Junk) error {
58 var buf bytes.Buffer
59 j.Write(&buf)
60 return PostMsg(keyname, key, url, buf.Bytes())
61}
62
63func PostMsg(keyname string, key *rsa.PrivateKey, url string, msg []byte) error {
64 client := http.DefaultClient
65 req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
66 if err != nil {
67 return err
68 }
69 req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
70 req.Header.Set("Content-Type", theonetruename)
71 httpsig.SignRequest(keyname, key, req, msg)
72 resp, err := client.Do(req)
73 if err != nil {
74 return err
75 }
76 resp.Body.Close()
77 switch resp.StatusCode {
78 case 200:
79 case 201:
80 case 202:
81 default:
82 return fmt.Errorf("http post status: %d", resp.StatusCode)
83 }
84 log.Printf("successful post: %s %d", url, resp.StatusCode)
85 return nil
86}
87
88func GetJunk(url string) (junk.Junk, error) {
89 return GetJunkTimeout(url, 30*time.Second)
90}
91
92func GetJunkFast(url string) (junk.Junk, error) {
93 return GetJunkTimeout(url, 5*time.Second)
94}
95
96func GetJunkHardMode(url string) (junk.Junk, error) {
97 j, err := GetJunk(url)
98 if err != nil {
99 emsg := err.Error()
100 if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
101 log.Printf("trying again after error: %s", emsg)
102 time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
103 j, err = GetJunk(url)
104 if err != nil {
105 log.Printf("still couldn't get it")
106 } else {
107 log.Printf("retry success!")
108 }
109 }
110 }
111 return j, err
112}
113
114func GetJunkTimeout(url string, timeout time.Duration) (junk.Junk, error) {
115 at := thefakename
116 if strings.Contains(url, ".well-known/webfinger?resource") {
117 at = "application/jrd+json"
118 }
119 return junk.Get(url, junk.GetArgs{
120 Accept: at,
121 Agent: "honksnonk/5.0; " + serverName,
122 Timeout: timeout,
123 })
124}
125
126func savedonk(url string, name, media string, localize bool) *Donk {
127 if url == "" {
128 return nil
129 }
130 var donk Donk
131 row := stmtFindFile.QueryRow(url)
132 err := row.Scan(&donk.FileID)
133 if err == nil {
134 return &donk
135 }
136 log.Printf("saving donk: %s", url)
137 if err != nil && err != sql.ErrNoRows {
138 log.Printf("error querying: %s", err)
139 }
140 xid := xfiltrate()
141 data := []byte{}
142 if localize {
143 resp, err := http.Get(url)
144 if err != nil {
145 log.Printf("error fetching %s: %s", url, err)
146 localize = false
147 goto saveit
148 }
149 defer resp.Body.Close()
150 if resp.StatusCode != 200 {
151 localize = false
152 goto saveit
153 }
154 var buf bytes.Buffer
155 io.Copy(&buf, resp.Body)
156
157 data = buf.Bytes()
158 if strings.HasPrefix(media, "image") {
159 img, err := image.Vacuum(&buf,
160 image.Params{LimitSize: 4800 * 4800, MaxWidth: 2048, MaxHeight: 2048})
161 if err != nil {
162 log.Printf("unable to decode image: %s", err)
163 localize = false
164 data = []byte{}
165 goto saveit
166 }
167 data = img.Data
168 media = "image/" + img.Format
169 } else if len(data) > 100000 {
170 log.Printf("not saving large attachment")
171 localize = false
172 data = []byte{}
173 }
174 }
175saveit:
176 res, err := stmtSaveFile.Exec(xid, name, url, media, localize, data)
177 if err != nil {
178 log.Printf("error saving file %s: %s", url, err)
179 return nil
180 }
181 donk.FileID, _ = res.LastInsertId()
182 return &donk
183}
184
185func iszonked(userid int64, xid string) bool {
186 row := stmtFindZonk.QueryRow(userid, xid)
187 var id int64
188 err := row.Scan(&id)
189 if err == nil {
190 return true
191 }
192 if err != sql.ErrNoRows {
193 log.Printf("err querying zonk: %s", err)
194 }
195 return false
196}
197
198func needxonk(user *WhatAbout, x *Honk) bool {
199 if x.What == "eradicate" {
200 return true
201 }
202 if thoudostbitethythumb(user.ID, x.Audience, x.XID) {
203 log.Printf("not saving thumb biter? %s via %s", x.XID, x.Honker)
204 return false
205 }
206 return needxonkid(user, x.XID)
207}
208func needxonkid(user *WhatAbout, xid string) bool {
209 if strings.HasPrefix(xid, user.URL+"/") {
210 return false
211 }
212 if iszonked(user.ID, xid) {
213 log.Printf("already zonked: %s", xid)
214 return false
215 }
216 row := stmtFindXonk.QueryRow(user.ID, xid)
217 var id int64
218 err := row.Scan(&id)
219 if err == nil {
220 return false
221 }
222 if err != sql.ErrNoRows {
223 log.Printf("err querying xonk: %s", err)
224 }
225 return true
226}
227
228func savexonk(user *WhatAbout, x *Honk) {
229 if x.What == "eradicate" {
230 log.Printf("eradicating %s by %s", x.XID, x.Honker)
231 xonk := getxonk(user.ID, x.XID)
232 if xonk != nil {
233 _, err := stmtZonkDonks.Exec(xonk.ID)
234 if err != nil {
235 log.Printf("error eradicating: %s", err)
236 }
237 _, err = stmtZonkIt.Exec(user.ID, x.XID)
238 if err != nil {
239 log.Printf("error eradicating: %s", err)
240 }
241 }
242 _, err := stmtSaveZonker.Exec(user.ID, x.XID, "zonk")
243 if err != nil {
244 log.Printf("error eradicating: %s", err)
245 }
246 return
247 }
248 log.Printf("saving xonk: %s", x.XID)
249 dt := x.Date.UTC().Format(dbtimeformat)
250 aud := strings.Join(x.Audience, " ")
251 whofore := 0
252 if strings.Contains(aud, user.URL) {
253 whofore = 1
254 }
255 go prehandle(x.Honker)
256 go prehandle(x.Oonker)
257 res, err := stmtSaveHonk.Exec(x.UserID, x.What, x.Honker, x.XID, x.RID, dt, x.URL, aud,
258 x.Noise, x.Convoy, whofore, "html", x.Precis, x.Oonker, 0)
259 if err != nil {
260 log.Printf("err saving xonk: %s", err)
261 return
262 }
263 x.ID, _ = res.LastInsertId()
264 for _, d := range x.Donks {
265 _, err = stmtSaveDonk.Exec(x.ID, d.FileID)
266 if err != nil {
267 log.Printf("err saving donk: %s", err)
268 return
269 }
270 }
271}
272
273type Box struct {
274 In string
275 Out string
276 Shared string
277}
278
279var boxofboxes = make(map[string]*Box)
280var boxlock sync.Mutex
281var boxinglock sync.Mutex
282
283func getboxes(ident string) (*Box, error) {
284 boxlock.Lock()
285 b, ok := boxofboxes[ident]
286 boxlock.Unlock()
287 if ok {
288 return b, nil
289 }
290
291 boxinglock.Lock()
292 defer boxinglock.Unlock()
293
294 boxlock.Lock()
295 b, ok = boxofboxes[ident]
296 boxlock.Unlock()
297 if ok {
298 return b, nil
299 }
300
301 var info string
302 row := stmtGetXonker.QueryRow(ident, "boxes")
303 err := row.Scan(&info)
304 if err != nil {
305 j, err := GetJunk(ident)
306 if err != nil {
307 return nil, err
308 }
309 inbox, _ := j.GetString("inbox")
310 outbox, _ := j.GetString("outbox")
311 sbox, _ := j.FindString([]string{"endpoints", "sharedInbox"})
312 b = &Box{In: inbox, Out: outbox, Shared: sbox}
313 if inbox != "" {
314 m := strings.Join([]string{inbox, outbox, sbox}, " ")
315 _, err = stmtSaveXonker.Exec(ident, m, "boxes")
316 if err != nil {
317 log.Printf("error saving boxes: %s", err)
318 }
319 }
320 } else {
321 m := strings.Split(info, " ")
322 b = &Box{In: m[0], Out: m[1], Shared: m[2]}
323 }
324
325 boxlock.Lock()
326 boxofboxes[ident] = b
327 boxlock.Unlock()
328 return b, nil
329}
330
331func gimmexonks(user *WhatAbout, outbox string) {
332 log.Printf("getting outbox: %s", outbox)
333 j, err := GetJunk(outbox)
334 if err != nil {
335 log.Printf("error getting outbox: %s", err)
336 return
337 }
338 t, _ := j.GetString("type")
339 origin := originate(outbox)
340 if t == "OrderedCollection" {
341 items, _ := j.GetArray("orderedItems")
342 if items == nil {
343 obj, ok := j.GetMap("first")
344 if ok {
345 items, _ = obj.GetArray("orderedItems")
346 } else {
347 page1, _ := j.GetString("first")
348 j, err = GetJunk(page1)
349 if err != nil {
350 log.Printf("error gettings page1: %s", err)
351 return
352 }
353 items, _ = j.GetArray("orderedItems")
354 }
355 }
356 if len(items) > 20 {
357 items = items[0:20]
358 }
359 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
360 items[i], items[j] = items[j], items[i]
361 }
362 for _, item := range items {
363 obj, ok := item.(junk.Junk)
364 if !ok {
365 continue
366 }
367 xonk := xonkxonk(user, obj, origin)
368 if xonk != nil {
369 savexonk(user, xonk)
370 }
371 }
372 }
373}
374
375func peeppeep() {
376 user, _ := butwhatabout("htest")
377 honkers := gethonkers(user.ID)
378 for _, f := range honkers {
379 if f.Flavor != "peep" {
380 continue
381 }
382 log.Printf("getting updates: %s", f.XID)
383 box, err := getboxes(f.XID)
384 if err != nil {
385 log.Printf("error getting outbox: %s", err)
386 continue
387 }
388 gimmexonks(user, box.Out)
389 }
390}
391func whosthere(xid string) ([]string, string) {
392 obj, err := GetJunk(xid)
393 if err != nil {
394 log.Printf("error getting remote xonk: %s", err)
395 return nil, ""
396 }
397 convoy, _ := obj.GetString("context")
398 if convoy == "" {
399 convoy, _ = obj.GetString("conversation")
400 }
401 return newphone(nil, obj), convoy
402}
403
404func newphone(a []string, obj junk.Junk) []string {
405 for _, addr := range []string{"to", "cc", "attributedTo"} {
406 who, _ := obj.GetString(addr)
407 if who != "" {
408 a = append(a, who)
409 }
410 whos, _ := obj.GetArray(addr)
411 for _, w := range whos {
412 who, _ := w.(string)
413 if who != "" {
414 a = append(a, who)
415 }
416 }
417 }
418 return a
419}
420
421func extractattrto(obj junk.Junk) string {
422 who, _ := obj.GetString("attributedTo")
423 if who != "" {
424 return who
425 }
426 o, ok := obj.GetMap("attributedTo")
427 if ok {
428 id, ok := o.GetString("id")
429 if ok {
430 return id
431 }
432 }
433 arr, _ := obj.GetArray("attributedTo")
434 for _, a := range arr {
435 o, ok := a.(junk.Junk)
436 if ok {
437 t, _ := o.GetString("type")
438 id, _ := o.GetString("id")
439 if t == "Person" || t == "" {
440 return id
441 }
442 }
443 }
444 return ""
445}
446
447func consumeactivity(user *WhatAbout, j junk.Junk, origin string) {
448 xonk := xonkxonk(user, j, origin)
449 if xonk != nil {
450 savexonk(user, xonk)
451 }
452}
453
454func xonkxonk(user *WhatAbout, item junk.Junk, origin string) *Honk {
455 depth := 0
456 maxdepth := 10
457 currenttid := ""
458 var xonkxonkfn func(item junk.Junk, origin string) *Honk
459
460 saveoneup := func(xid string) {
461 log.Printf("getting oneup: %s", xid)
462 if depth >= maxdepth {
463 log.Printf("in too deep")
464 return
465 }
466 obj, err := GetJunkHardMode(xid)
467 if err != nil {
468 log.Printf("error getting oneup: %s", err)
469 return
470 }
471 depth++
472 xonk := xonkxonkfn(obj, originate(xid))
473 if xonk != nil {
474 savexonk(user, xonk)
475 }
476 depth--
477 }
478
479 xonkxonkfn = func(item junk.Junk, origin string) *Honk {
480 // id, _ := item.GetString( "id")
481 what, _ := item.GetString("type")
482 dt, _ := item.GetString("published")
483
484 var audience []string
485 var err error
486 var xid, rid, url, content, precis, convoy, oonker string
487 var obj junk.Junk
488 var ok bool
489 switch what {
490 case "Announce":
491 obj, ok = item.GetMap("object")
492 if ok {
493 xid, _ = obj.GetString("id")
494 } else {
495 xid, _ = item.GetString("object")
496 }
497 if !needxonkid(user, xid) {
498 return nil
499 }
500 log.Printf("getting bonk: %s", xid)
501 obj, err = GetJunkHardMode(xid)
502 origin = originate(xid)
503 what = "bonk"
504 case "Create":
505 obj, ok = item.GetMap("object")
506 if !ok {
507 xid, _ = obj.GetString("object")
508 log.Printf("getting created honk: %s", xid)
509 obj, err = GetJunkHardMode(xid)
510 if err != nil {
511 log.Printf("error getting creation: %s", err)
512 }
513 }
514 what = "honk"
515 case "Delete":
516 obj, _ = item.GetMap("object")
517 xid, _ = item.GetString("object")
518 what = "eradicate"
519 case "Read":
520 xid, ok = item.GetString("object")
521 if ok {
522 if !needxonkid(user, xid) {
523 log.Printf("don't need read obj: %s", xid)
524 return nil
525 }
526 obj, err = GetJunkHardMode(xid)
527 if err != nil {
528 log.Printf("error getting read: %s", err)
529 return nil
530 }
531 return xonkxonkfn(obj, originate(xid))
532 }
533 return nil
534 case "Video":
535 fallthrough
536 case "Question":
537 fallthrough
538 case "Note":
539 fallthrough
540 case "Article":
541 fallthrough
542 case "Page":
543 obj = item
544 what = "honk"
545 default:
546 log.Printf("unknown activity: %s", what)
547 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
548 item.Write(fd)
549 io.WriteString(fd, "\n")
550 fd.Close()
551 return nil
552 }
553
554 var xonk Honk
555 who, _ := item.GetString("actor")
556 if obj != nil {
557 if who == "" {
558 who = extractattrto(obj)
559 }
560 oonker = extractattrto(obj)
561 ot, _ := obj.GetString("type")
562 url, _ = obj.GetString("url")
563 if ot == "Tombstone" {
564 xid, _ = obj.GetString("id")
565 } else {
566 audience = newphone(audience, obj)
567 xid, _ = obj.GetString("id")
568 precis, _ = obj.GetString("summary")
569 if precis == "" {
570 precis, _ = obj.GetString("name")
571 }
572 content, _ = obj.GetString("content")
573 if !strings.HasPrefix(content, "<p>") {
574 content = "<p>" + content
575 }
576 sens, _ := obj["sensitive"].(bool)
577 if sens && precis == "" {
578 precis = "unspecified horror"
579 }
580 rid, ok = obj.GetString("inReplyTo")
581 if !ok {
582 robj, ok := obj.GetMap("inReplyTo")
583 if ok {
584 rid, _ = robj.GetString("id")
585 }
586 }
587 convoy, _ = obj.GetString("context")
588 if convoy == "" {
589 convoy, _ = obj.GetString("conversation")
590 }
591 if ot == "Question" {
592 if what == "honk" {
593 what = "qonk"
594 }
595 content += "<ul>"
596 ans, _ := obj.GetArray("oneOf")
597 for _, ai := range ans {
598 a, ok := ai.(junk.Junk)
599 if !ok {
600 continue
601 }
602 as, _ := a.GetString("name")
603 content += "<li>" + as
604 }
605 ans, _ = obj.GetArray("anyOf")
606 for _, ai := range ans {
607 a, ok := ai.(junk.Junk)
608 if !ok {
609 continue
610 }
611 as, _ := a.GetString("name")
612 content += "<li>" + as
613 }
614 content += "</ul>"
615 }
616 if what == "honk" && rid != "" {
617 what = "tonk"
618 }
619 }
620 atts, _ := obj.GetArray("attachment")
621 for i, atti := range atts {
622 att, ok := atti.(junk.Junk)
623 if !ok {
624 continue
625 }
626 at, _ := att.GetString("type")
627 mt, _ := att.GetString("mediaType")
628 u, _ := att.GetString("url")
629 name, _ := att.GetString("name")
630 localize := false
631 if i > 4 {
632 log.Printf("excessive attachment: %s", at)
633 } else if at == "Document" || at == "Image" {
634 mt = strings.ToLower(mt)
635 log.Printf("attachment: %s %s", mt, u)
636 if mt == "text/plain" || strings.HasPrefix(mt, "image") {
637 localize = true
638 }
639 } else {
640 log.Printf("unknown attachment: %s", at)
641 }
642 donk := savedonk(u, name, mt, localize)
643 if donk != nil {
644 xonk.Donks = append(xonk.Donks, donk)
645 }
646 }
647 tags, _ := obj.GetArray("tag")
648 for _, tagi := range tags {
649 tag, ok := tagi.(junk.Junk)
650 if !ok {
651 continue
652 }
653 tt, _ := tag.GetString("type")
654 name, _ := tag.GetString("name")
655 if tt == "Emoji" {
656 icon, _ := tag.GetMap("icon")
657 mt, _ := icon.GetString("mediaType")
658 if mt == "" {
659 mt = "image/png"
660 }
661 u, _ := icon.GetString("url")
662 donk := savedonk(u, name, mt, true)
663 if donk != nil {
664 xonk.Donks = append(xonk.Donks, donk)
665 }
666 }
667 }
668 }
669 if originate(xid) != origin {
670 log.Printf("original sin: %s <> %s", xid, origin)
671 item.Write(os.Stdout)
672 return nil
673 }
674 audience = append(audience, who)
675
676 audience = oneofakind(audience)
677
678 if currenttid == "" {
679 currenttid = convoy
680 }
681
682 if oonker == who {
683 oonker = ""
684 }
685 xonk.UserID = user.ID
686 xonk.What = what
687 xonk.Honker = who
688 xonk.XID = xid
689 xonk.RID = rid
690 xonk.Date, _ = time.Parse(time.RFC3339, dt)
691 xonk.URL = url
692 xonk.Noise = content
693 xonk.Precis = precis
694 xonk.Audience = audience
695 xonk.Oonker = oonker
696
697 if needxonk(user, &xonk) {
698 if rid != "" {
699 if needxonkid(user, rid) {
700 saveoneup(rid)
701 }
702 }
703 if convoy == "" {
704 convoy = currenttid
705 }
706 xonk.Convoy = convoy
707 return &xonk
708 }
709 return nil
710 }
711
712 return xonkxonkfn(item, origin)
713}
714
715func rubadubdub(user *WhatAbout, req junk.Junk) {
716 xid, _ := req.GetString("id")
717 actor, _ := req.GetString("actor")
718 j := junk.New()
719 j["@context"] = itiswhatitis
720 j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
721 j["type"] = "Accept"
722 j["actor"] = user.URL
723 j["to"] = actor
724 j["published"] = time.Now().UTC().Format(time.RFC3339)
725 j["object"] = req
726
727 var buf bytes.Buffer
728 j.Write(&buf)
729 msg := buf.Bytes()
730
731 deliverate(0, user.Name, actor, msg)
732}
733
734func itakeitallback(user *WhatAbout, xid string) {
735 j := junk.New()
736 j["@context"] = itiswhatitis
737 j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
738 j["type"] = "Undo"
739 j["actor"] = user.URL
740 j["to"] = xid
741 f := junk.New()
742 f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
743 f["type"] = "Follow"
744 f["actor"] = user.URL
745 f["to"] = xid
746 f["object"] = xid
747 j["object"] = f
748 j["published"] = time.Now().UTC().Format(time.RFC3339)
749
750 var buf bytes.Buffer
751 j.Write(&buf)
752 msg := buf.Bytes()
753
754 deliverate(0, user.Name, xid, msg)
755}
756
757func subsub(user *WhatAbout, xid string) {
758 j := junk.New()
759 j["@context"] = itiswhatitis
760 j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
761 j["type"] = "Follow"
762 j["actor"] = user.URL
763 j["to"] = xid
764 j["object"] = xid
765 j["published"] = time.Now().UTC().Format(time.RFC3339)
766
767 var buf bytes.Buffer
768 j.Write(&buf)
769 msg := buf.Bytes()
770
771 deliverate(0, user.Name, xid, msg)
772}
773
774func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
775 dt := h.Date.Format(time.RFC3339)
776 var jo junk.Junk
777 j := junk.New()
778 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
779 j["actor"] = user.URL
780 j["published"] = dt
781 if h.Public {
782 j["to"] = []string{h.Audience[0], user.URL + "/followers"}
783 } else {
784 j["to"] = h.Audience[0]
785 }
786 if len(h.Audience) > 1 {
787 j["cc"] = h.Audience[1:]
788 }
789
790 switch h.What {
791 case "tonk":
792 fallthrough
793 case "honk":
794 j["type"] = "Create"
795
796 jo = junk.New()
797 jo["id"] = h.XID
798 jo["type"] = "Note"
799 jo["published"] = dt
800 jo["url"] = h.XID
801 jo["attributedTo"] = user.URL
802 if h.RID != "" {
803 jo["inReplyTo"] = h.RID
804 }
805 if h.Convoy != "" {
806 jo["context"] = h.Convoy
807 jo["conversation"] = h.Convoy
808 }
809 jo["to"] = h.Audience[0]
810 if len(h.Audience) > 1 {
811 jo["cc"] = h.Audience[1:]
812 }
813 if !h.Public {
814 jo["directMessage"] = true
815 }
816 jo["summary"] = h.Precis
817 jo["content"] = mentionize(h.Noise)
818 if strings.HasPrefix(h.Precis, "DZ:") {
819 jo["sensitive"] = true
820 }
821
822 var replies []string
823 for _, reply := range h.Replies {
824 replies = append(replies, reply.XID)
825 }
826 if len(replies) > 0 {
827 jr := junk.New()
828 jr["type"] = "Collection"
829 jr["totalItems"] = len(replies)
830 jr["items"] = replies
831 jo["replies"] = jr
832 }
833
834 var tags []junk.Junk
835 g := bunchofgrapes(h.Noise)
836 for _, m := range g {
837 t := junk.New()
838 t["type"] = "Mention"
839 t["name"] = m.who
840 t["href"] = m.where
841 tags = append(tags, t)
842 }
843 ooo := ontologies(h.Noise)
844 for _, o := range ooo {
845 t := junk.New()
846 t["type"] = "Hashtag"
847 t["name"] = o
848 tags = append(tags, t)
849 }
850 herd := herdofemus(h.Noise)
851 for _, e := range herd {
852 t := junk.New()
853 t["id"] = e.ID
854 t["type"] = "Emoji"
855 t["name"] = e.Name
856 i := junk.New()
857 i["type"] = "Image"
858 i["mediaType"] = "image/png"
859 i["url"] = e.ID
860 t["icon"] = i
861 tags = append(tags, t)
862 }
863 if len(tags) > 0 {
864 jo["tag"] = tags
865 }
866 var atts []junk.Junk
867 for _, d := range h.Donks {
868 if re_emus.MatchString(d.Name) {
869 continue
870 }
871 jd := junk.New()
872 jd["mediaType"] = d.Media
873 jd["name"] = d.Name
874 jd["type"] = "Document"
875 jd["url"] = d.URL
876 atts = append(atts, jd)
877 }
878 if len(atts) > 0 {
879 jo["attachment"] = atts
880 }
881 j["object"] = jo
882 case "bonk":
883 j["type"] = "Announce"
884 if h.Convoy != "" {
885 j["context"] = h.Convoy
886 }
887 j["object"] = h.XID
888 case "zonk":
889 j["type"] = "Delete"
890 j["object"] = h.XID
891 case "ack":
892 j["type"] = "Read"
893 j["object"] = h.XID
894 case "deack":
895 j["type"] = "Ignore"
896 j["object"] = h.XID
897 }
898
899 return j, jo
900}
901
902func honkworldwide(user *WhatAbout, honk *Honk) {
903 jonk, _ := jonkjonk(user, honk)
904 jonk["@context"] = itiswhatitis
905 var buf bytes.Buffer
906 jonk.Write(&buf)
907 msg := buf.Bytes()
908
909 rcpts := make(map[string]bool)
910 for _, a := range honk.Audience {
911 if a != thewholeworld && a != user.URL && !strings.HasSuffix(a, "/followers") {
912 box, _ := getboxes(a)
913 if box != nil && honk.Public && box.Shared != "" {
914 rcpts["%"+box.Shared] = true
915 } else {
916 rcpts[a] = true
917 }
918 }
919 }
920 if honk.Public {
921 for _, f := range getdubs(user.ID) {
922 box, _ := getboxes(f.XID)
923 if box != nil && box.Shared != "" {
924 rcpts["%"+box.Shared] = true
925 } else {
926 rcpts[f.XID] = true
927 }
928 }
929 }
930 for a := range rcpts {
931 go deliverate(0, user.Name, a, msg)
932 }
933}
934
935func asjonker(user *WhatAbout) junk.Junk {
936 about := obfusbreak(user.About)
937
938 j := junk.New()
939 j["@context"] = itiswhatitis
940 j["id"] = user.URL
941 j["type"] = "Person"
942 j["inbox"] = user.URL + "/inbox"
943 j["outbox"] = user.URL + "/outbox"
944 j["followers"] = user.URL + "/followers"
945 j["following"] = user.URL + "/following"
946 j["name"] = user.Display
947 j["preferredUsername"] = user.Name
948 j["summary"] = about
949 j["url"] = user.URL
950 a := junk.New()
951 a["type"] = "Image"
952 a["mediaType"] = "image/png"
953 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
954 j["icon"] = a
955 k := junk.New()
956 k["id"] = user.URL + "#key"
957 k["owner"] = user.URL
958 k["publicKeyPem"] = user.Key
959 j["publicKey"] = k
960
961 return j
962}
963
964var handfull = make(map[string]string)
965var handlock sync.Mutex
966
967func gofish(name string) string {
968 if name[0] == '@' {
969 name = name[1:]
970 }
971 m := strings.Split(name, "@")
972 if len(m) != 2 {
973 log.Printf("bad fish name: %s", name)
974 return ""
975 }
976 handlock.Lock()
977 ref, ok := handfull[name]
978 handlock.Unlock()
979 if ok {
980 return ref
981 }
982 row := stmtGetXonker.QueryRow(name, "fishname")
983 var href string
984 err := row.Scan(&href)
985 if err == nil {
986 handlock.Lock()
987 handfull[name] = href
988 handlock.Unlock()
989 return href
990 }
991 log.Printf("fishing for %s", name)
992 j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
993 if err != nil {
994 log.Printf("failed to go fish %s: %s", name, err)
995 handlock.Lock()
996 handfull[name] = ""
997 handlock.Unlock()
998 return ""
999 }
1000 links, _ := j.GetArray("links")
1001 for _, li := range links {
1002 l, ok := li.(junk.Junk)
1003 if !ok {
1004 continue
1005 }
1006 href, _ := l.GetString("href")
1007 rel, _ := l.GetString("rel")
1008 t, _ := l.GetString("type")
1009 if rel == "self" && friendorfoe(t) {
1010 _, err := stmtSaveXonker.Exec(name, href, "fishname")
1011 if err != nil {
1012 log.Printf("error saving fishname: %s", err)
1013 }
1014 handlock.Lock()
1015 handfull[name] = href
1016 handlock.Unlock()
1017 return href
1018 }
1019 }
1020 handlock.Lock()
1021 handfull[name] = ""
1022 handlock.Unlock()
1023 return ""
1024}
1025
1026func isactor(t string) bool {
1027 switch t {
1028 case "Person":
1029 case "Organization":
1030 case "Application":
1031 case "Service":
1032 default:
1033 return false
1034 }
1035 return true
1036}
1037
1038func investigate(name string) *Honker {
1039 if name == "" {
1040 return nil
1041 }
1042 if name[0] == '@' {
1043 name = gofish(name)
1044 }
1045 if name == "" {
1046 return nil
1047 }
1048 log.Printf("digging up some info on %s", name)
1049 obj, err := GetJunkFast(name)
1050 if err != nil {
1051 log.Printf("error investigating honker: %s", err)
1052 return nil
1053 }
1054 t, _ := obj.GetString("type")
1055 if !isactor(t) {
1056 log.Printf("it's not a person! %s", name)
1057 return nil
1058 }
1059 xid, _ := obj.GetString("id")
1060 handle, _ := obj.GetString("preferredUsername")
1061 return &Honker{XID: xid, Handle: handle}
1062}