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, desc, 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, desc, 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 thoudostbitethythumb(user.ID, nil, xid) {
213 log.Printf("don't need thumb biter? %s", xid)
214 return false
215 }
216 if iszonked(user.ID, xid) {
217 log.Printf("already zonked: %s", xid)
218 return false
219 }
220 row := stmtFindXonk.QueryRow(user.ID, xid)
221 var id int64
222 err := row.Scan(&id)
223 if err == nil {
224 return false
225 }
226 if err != sql.ErrNoRows {
227 log.Printf("err querying xonk: %s", err)
228 }
229 return true
230}
231
232func savexonk(user *WhatAbout, x *Honk) {
233 if x.What == "eradicate" {
234 log.Printf("eradicating %s by %s", x.XID, x.Honker)
235 xonk := getxonk(user.ID, x.XID)
236 if xonk != nil {
237 _, err := stmtZonkDonks.Exec(xonk.ID)
238 if err != nil {
239 log.Printf("error eradicating: %s", err)
240 }
241 _, err = stmtZonkIt.Exec(xonk.ID)
242 if err != nil {
243 log.Printf("error eradicating: %s", err)
244 }
245 }
246 _, err := stmtSaveZonker.Exec(user.ID, x.XID, "zonk")
247 if err != nil {
248 log.Printf("error eradicating: %s", err)
249 }
250 return
251 }
252 log.Printf("saving xonk: %s", x.XID)
253 dt := x.Date.UTC().Format(dbtimeformat)
254 aud := strings.Join(x.Audience, " ")
255 whofore := 0
256 if strings.Contains(aud, user.URL) {
257 whofore = 1
258 }
259 go prehandle(x.Honker)
260 go prehandle(x.Oonker)
261 res, err := stmtSaveHonk.Exec(x.UserID, x.What, x.Honker, x.XID, x.RID, dt, x.URL, aud,
262 x.Noise, x.Convoy, whofore, "html", x.Precis, x.Oonker, 0, strings.Join(x.Onts, " "))
263 if err != nil {
264 log.Printf("err saving xonk: %s", err)
265 return
266 }
267 x.ID, _ = res.LastInsertId()
268 for _, d := range x.Donks {
269 _, err = stmtSaveDonk.Exec(x.ID, d.FileID)
270 if err != nil {
271 log.Printf("err saving donk: %s", err)
272 return
273 }
274 }
275 for _, o := range x.Onts {
276 _, err = stmtSaveOnts.Exec(strings.ToLower(o), x.ID)
277 if err != nil {
278 log.Printf("error saving ont: %s", err)
279 }
280 }
281
282}
283
284type Box struct {
285 In string
286 Out string
287 Shared string
288}
289
290var boxofboxes = make(map[string]*Box)
291var boxlock sync.Mutex
292var boxinglock sync.Mutex
293
294func getboxes(ident string) (*Box, error) {
295 boxlock.Lock()
296 b, ok := boxofboxes[ident]
297 boxlock.Unlock()
298 if ok {
299 return b, nil
300 }
301
302 boxinglock.Lock()
303 defer boxinglock.Unlock()
304
305 boxlock.Lock()
306 b, ok = boxofboxes[ident]
307 boxlock.Unlock()
308 if ok {
309 return b, nil
310 }
311
312 var info string
313 row := stmtGetXonker.QueryRow(ident, "boxes")
314 err := row.Scan(&info)
315 if err != nil {
316 j, err := GetJunk(ident)
317 if err != nil {
318 return nil, err
319 }
320 inbox, _ := j.GetString("inbox")
321 outbox, _ := j.GetString("outbox")
322 sbox, _ := j.FindString([]string{"endpoints", "sharedInbox"})
323 b = &Box{In: inbox, Out: outbox, Shared: sbox}
324 if inbox != "" {
325 m := strings.Join([]string{inbox, outbox, sbox}, " ")
326 _, err = stmtSaveXonker.Exec(ident, m, "boxes")
327 if err != nil {
328 log.Printf("error saving boxes: %s", err)
329 }
330 }
331 } else {
332 m := strings.Split(info, " ")
333 b = &Box{In: m[0], Out: m[1], Shared: m[2]}
334 }
335
336 boxlock.Lock()
337 boxofboxes[ident] = b
338 boxlock.Unlock()
339 return b, nil
340}
341
342func gimmexonks(user *WhatAbout, outbox string) {
343 log.Printf("getting outbox: %s", outbox)
344 j, err := GetJunk(outbox)
345 if err != nil {
346 log.Printf("error getting outbox: %s", err)
347 return
348 }
349 t, _ := j.GetString("type")
350 origin := originate(outbox)
351 if t == "OrderedCollection" {
352 items, _ := j.GetArray("orderedItems")
353 if items == nil {
354 obj, ok := j.GetMap("first")
355 if ok {
356 items, _ = obj.GetArray("orderedItems")
357 } else {
358 page1, _ := j.GetString("first")
359 j, err = GetJunk(page1)
360 if err != nil {
361 log.Printf("error gettings page1: %s", err)
362 return
363 }
364 items, _ = j.GetArray("orderedItems")
365 }
366 }
367 if len(items) > 20 {
368 items = items[0:20]
369 }
370 for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
371 items[i], items[j] = items[j], items[i]
372 }
373 for _, item := range items {
374 obj, ok := item.(junk.Junk)
375 if !ok {
376 continue
377 }
378 xonk := xonkxonk(user, obj, origin)
379 if xonk != nil {
380 savexonk(user, xonk)
381 }
382 }
383 }
384}
385
386func peeppeep() {
387 user, _ := butwhatabout("htest")
388 honkers := gethonkers(user.ID)
389 for _, f := range honkers {
390 if f.Flavor != "peep" {
391 continue
392 }
393 log.Printf("getting updates: %s", f.XID)
394 box, err := getboxes(f.XID)
395 if err != nil {
396 log.Printf("error getting outbox: %s", err)
397 continue
398 }
399 gimmexonks(user, box.Out)
400 }
401}
402func whosthere(xid string) ([]string, string) {
403 obj, err := GetJunk(xid)
404 if err != nil {
405 log.Printf("error getting remote xonk: %s", err)
406 return nil, ""
407 }
408 convoy, _ := obj.GetString("context")
409 if convoy == "" {
410 convoy, _ = obj.GetString("conversation")
411 }
412 return newphone(nil, obj), convoy
413}
414
415func newphone(a []string, obj junk.Junk) []string {
416 for _, addr := range []string{"to", "cc", "attributedTo"} {
417 who, _ := obj.GetString(addr)
418 if who != "" {
419 a = append(a, who)
420 }
421 whos, _ := obj.GetArray(addr)
422 for _, w := range whos {
423 who, _ := w.(string)
424 if who != "" {
425 a = append(a, who)
426 }
427 }
428 }
429 return a
430}
431
432func extractattrto(obj junk.Junk) string {
433 who, _ := obj.GetString("attributedTo")
434 if who != "" {
435 return who
436 }
437 o, ok := obj.GetMap("attributedTo")
438 if ok {
439 id, ok := o.GetString("id")
440 if ok {
441 return id
442 }
443 }
444 arr, _ := obj.GetArray("attributedTo")
445 for _, a := range arr {
446 o, ok := a.(junk.Junk)
447 if ok {
448 t, _ := o.GetString("type")
449 id, _ := o.GetString("id")
450 if t == "Person" || t == "" {
451 return id
452 }
453 }
454 }
455 return ""
456}
457
458func consumeactivity(user *WhatAbout, j junk.Junk, origin string) {
459 xonk := xonkxonk(user, j, origin)
460 if xonk != nil {
461 savexonk(user, xonk)
462 }
463}
464
465func xonkxonk(user *WhatAbout, item junk.Junk, origin string) *Honk {
466 depth := 0
467 maxdepth := 10
468 currenttid := ""
469 var xonkxonkfn func(item junk.Junk, origin string) *Honk
470
471 saveoneup := func(xid string) {
472 log.Printf("getting oneup: %s", xid)
473 if depth >= maxdepth {
474 log.Printf("in too deep")
475 return
476 }
477 obj, err := GetJunkHardMode(xid)
478 if err != nil {
479 log.Printf("error getting oneup: %s: %s", xid, err)
480 return
481 }
482 depth++
483 xonk := xonkxonkfn(obj, originate(xid))
484 if xonk != nil {
485 savexonk(user, xonk)
486 }
487 depth--
488 }
489
490 xonkxonkfn = func(item junk.Junk, origin string) *Honk {
491 // id, _ := item.GetString( "id")
492 what, _ := item.GetString("type")
493 dt, _ := item.GetString("published")
494
495 var audience []string
496 var err error
497 var xid, rid, url, content, precis, convoy, oonker string
498 var obj junk.Junk
499 var ok bool
500 switch what {
501 case "Announce":
502 obj, ok = item.GetMap("object")
503 if ok {
504 xid, _ = obj.GetString("id")
505 } else {
506 xid, _ = item.GetString("object")
507 }
508 if !needxonkid(user, xid) {
509 return nil
510 }
511 log.Printf("getting bonk: %s", xid)
512 obj, err = GetJunkHardMode(xid)
513 if err != nil {
514 log.Printf("error getting bonk: %s: %s", xid, err)
515 }
516 origin = originate(xid)
517 what = "bonk"
518 case "Create":
519 obj, ok = item.GetMap("object")
520 if !ok {
521 xid, _ = obj.GetString("object")
522 log.Printf("getting created honk: %s", xid)
523 obj, err = GetJunkHardMode(xid)
524 if err != nil {
525 log.Printf("error getting creation: %s", err)
526 }
527 }
528 what = "honk"
529 case "Delete":
530 obj, _ = item.GetMap("object")
531 xid, _ = item.GetString("object")
532 what = "eradicate"
533 case "Read":
534 xid, ok = item.GetString("object")
535 if ok {
536 if !needxonkid(user, xid) {
537 log.Printf("don't need read obj: %s", xid)
538 return nil
539 }
540 obj, err = GetJunkHardMode(xid)
541 if err != nil {
542 log.Printf("error getting read: %s", err)
543 return nil
544 }
545 return xonkxonkfn(obj, originate(xid))
546 }
547 return nil
548 case "Video":
549 fallthrough
550 case "Question":
551 fallthrough
552 case "Note":
553 fallthrough
554 case "Article":
555 fallthrough
556 case "Page":
557 obj = item
558 what = "honk"
559 default:
560 log.Printf("unknown activity: %s", what)
561 fd, _ := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
562 item.Write(fd)
563 io.WriteString(fd, "\n")
564 fd.Close()
565 return nil
566 }
567
568 var xonk Honk
569 who, _ := item.GetString("actor")
570 if obj != nil {
571 if who == "" {
572 who = extractattrto(obj)
573 }
574 oonker = extractattrto(obj)
575 ot, _ := obj.GetString("type")
576 url, _ = obj.GetString("url")
577 if ot == "Tombstone" {
578 xid, _ = obj.GetString("id")
579 } else {
580 audience = newphone(audience, obj)
581 xid, _ = obj.GetString("id")
582 precis, _ = obj.GetString("summary")
583 if precis == "" {
584 precis, _ = obj.GetString("name")
585 }
586 content, _ = obj.GetString("content")
587 if !strings.HasPrefix(content, "<p>") {
588 content = "<p>" + content
589 }
590 sens, _ := obj["sensitive"].(bool)
591 if sens && precis == "" {
592 precis = "unspecified horror"
593 }
594 rid, ok = obj.GetString("inReplyTo")
595 if !ok {
596 robj, ok := obj.GetMap("inReplyTo")
597 if ok {
598 rid, _ = robj.GetString("id")
599 }
600 }
601 convoy, _ = obj.GetString("context")
602 if convoy == "" {
603 convoy, _ = obj.GetString("conversation")
604 }
605 if ot == "Question" {
606 if what == "honk" {
607 what = "qonk"
608 }
609 content += "<ul>"
610 ans, _ := obj.GetArray("oneOf")
611 for _, ai := range ans {
612 a, ok := ai.(junk.Junk)
613 if !ok {
614 continue
615 }
616 as, _ := a.GetString("name")
617 content += "<li>" + as
618 }
619 ans, _ = obj.GetArray("anyOf")
620 for _, ai := range ans {
621 a, ok := ai.(junk.Junk)
622 if !ok {
623 continue
624 }
625 as, _ := a.GetString("name")
626 content += "<li>" + as
627 }
628 content += "</ul>"
629 }
630 if what == "honk" && rid != "" {
631 what = "tonk"
632 }
633 }
634 atts, _ := obj.GetArray("attachment")
635 for i, atti := range atts {
636 att, ok := atti.(junk.Junk)
637 if !ok {
638 continue
639 }
640 at, _ := att.GetString("type")
641 mt, _ := att.GetString("mediaType")
642 u, _ := att.GetString("url")
643 name, _ := att.GetString("name")
644 desc, _ := att.GetString("summary")
645 log.Printf("att: %s %s %s", name, desc, u)
646 if desc == "" {
647 desc = name
648 }
649 localize := false
650 if i > 4 {
651 log.Printf("excessive attachment: %s", at)
652 } else if at == "Document" || at == "Image" {
653 mt = strings.ToLower(mt)
654 log.Printf("attachment: %s %s", mt, u)
655 if mt == "text/plain" || strings.HasPrefix(mt, "image") {
656 localize = true
657 }
658 } else {
659 log.Printf("unknown attachment: %s", at)
660 }
661 log.Printf("saving a donk: %s is %s", name, desc)
662 donk := savedonk(u, name, desc, mt, localize)
663 if donk != nil {
664 xonk.Donks = append(xonk.Donks, donk)
665 }
666 }
667 tags, _ := obj.GetArray("tag")
668 for _, tagi := range tags {
669 tag, ok := tagi.(junk.Junk)
670 if !ok {
671 continue
672 }
673 tt, _ := tag.GetString("type")
674 name, _ := tag.GetString("name")
675 desc, _ := tag.GetString("summary")
676 if desc == "" {
677 desc = name
678 }
679 if tt == "Emoji" {
680 icon, _ := tag.GetMap("icon")
681 mt, _ := icon.GetString("mediaType")
682 if mt == "" {
683 mt = "image/png"
684 }
685 u, _ := icon.GetString("url")
686 donk := savedonk(u, name, desc, mt, true)
687 if donk != nil {
688 xonk.Donks = append(xonk.Donks, donk)
689 }
690 }
691 if tt == "Hashtag" {
692 xonk.Onts = append(xonk.Onts, name)
693 }
694 }
695 xonk.Onts = oneofakind(xonk.Onts)
696 }
697 if originate(xid) != origin {
698 log.Printf("original sin: %s <> %s", xid, origin)
699 item.Write(os.Stdout)
700 return nil
701 }
702 audience = append(audience, who)
703
704 audience = oneofakind(audience)
705
706 if currenttid == "" {
707 currenttid = convoy
708 }
709
710 if oonker == who {
711 oonker = ""
712 }
713 xonk.UserID = user.ID
714 xonk.What = what
715 xonk.Honker = who
716 xonk.XID = xid
717 xonk.RID = rid
718 xonk.Date, _ = time.Parse(time.RFC3339, dt)
719 xonk.URL = url
720 xonk.Noise = content
721 xonk.Precis = precis
722 xonk.Audience = audience
723 xonk.Oonker = oonker
724
725 if needxonk(user, &xonk) {
726 if rid != "" {
727 if needxonkid(user, rid) {
728 saveoneup(rid)
729 }
730 }
731 if convoy == "" {
732 convoy = currenttid
733 }
734 xonk.Convoy = convoy
735 return &xonk
736 }
737 return nil
738 }
739
740 return xonkxonkfn(item, origin)
741}
742
743func rubadubdub(user *WhatAbout, req junk.Junk) {
744 xid, _ := req.GetString("id")
745 actor, _ := req.GetString("actor")
746 j := junk.New()
747 j["@context"] = itiswhatitis
748 j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
749 j["type"] = "Accept"
750 j["actor"] = user.URL
751 j["to"] = actor
752 j["published"] = time.Now().UTC().Format(time.RFC3339)
753 j["object"] = req
754
755 var buf bytes.Buffer
756 j.Write(&buf)
757 msg := buf.Bytes()
758
759 deliverate(0, user.Name, actor, msg)
760}
761
762func itakeitallback(user *WhatAbout, xid string) {
763 j := junk.New()
764 j["@context"] = itiswhatitis
765 j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
766 j["type"] = "Undo"
767 j["actor"] = user.URL
768 j["to"] = xid
769 f := junk.New()
770 f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
771 f["type"] = "Follow"
772 f["actor"] = user.URL
773 f["to"] = xid
774 f["object"] = xid
775 j["object"] = f
776 j["published"] = time.Now().UTC().Format(time.RFC3339)
777
778 var buf bytes.Buffer
779 j.Write(&buf)
780 msg := buf.Bytes()
781
782 deliverate(0, user.Name, xid, msg)
783}
784
785func subsub(user *WhatAbout, xid string) {
786 j := junk.New()
787 j["@context"] = itiswhatitis
788 j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
789 j["type"] = "Follow"
790 j["actor"] = user.URL
791 j["to"] = xid
792 j["object"] = xid
793 j["published"] = time.Now().UTC().Format(time.RFC3339)
794
795 var buf bytes.Buffer
796 j.Write(&buf)
797 msg := buf.Bytes()
798
799 deliverate(0, user.Name, xid, msg)
800}
801
802func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
803 dt := h.Date.Format(time.RFC3339)
804 var jo junk.Junk
805 j := junk.New()
806 j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
807 j["actor"] = user.URL
808 j["published"] = dt
809 if h.Public {
810 j["to"] = []string{h.Audience[0], user.URL + "/followers"}
811 } else {
812 j["to"] = h.Audience[0]
813 }
814 if len(h.Audience) > 1 {
815 j["cc"] = h.Audience[1:]
816 }
817
818 switch h.What {
819 case "tonk":
820 fallthrough
821 case "honk":
822 j["type"] = "Create"
823
824 jo = junk.New()
825 jo["id"] = h.XID
826 jo["type"] = "Note"
827 jo["published"] = dt
828 jo["url"] = h.XID
829 jo["attributedTo"] = user.URL
830 if h.RID != "" {
831 jo["inReplyTo"] = h.RID
832 }
833 if h.Convoy != "" {
834 jo["context"] = h.Convoy
835 jo["conversation"] = h.Convoy
836 }
837 jo["to"] = h.Audience[0]
838 if len(h.Audience) > 1 {
839 jo["cc"] = h.Audience[1:]
840 }
841 if !h.Public {
842 jo["directMessage"] = true
843 }
844 jo["summary"] = h.Precis
845 jo["content"] = ontologize(mentionize(h.Noise))
846 if strings.HasPrefix(h.Precis, "DZ:") {
847 jo["sensitive"] = true
848 }
849
850 var replies []string
851 for _, reply := range h.Replies {
852 replies = append(replies, reply.XID)
853 }
854 if len(replies) > 0 {
855 jr := junk.New()
856 jr["type"] = "Collection"
857 jr["totalItems"] = len(replies)
858 jr["items"] = replies
859 jo["replies"] = jr
860 }
861
862 var tags []junk.Junk
863 g := bunchofgrapes(h.Noise)
864 for _, m := range g {
865 t := junk.New()
866 t["type"] = "Mention"
867 t["name"] = m.who
868 t["href"] = m.where
869 tags = append(tags, t)
870 }
871 for _, o := range h.Onts {
872 t := junk.New()
873 t["type"] = "Hashtag"
874 o = strings.ToLower(o)
875 t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
876 t["name"] = o
877 tags = append(tags, t)
878 }
879 herd := herdofemus(h.Noise)
880 for _, e := range herd {
881 t := junk.New()
882 t["id"] = e.ID
883 t["type"] = "Emoji"
884 t["name"] = e.Name
885 i := junk.New()
886 i["type"] = "Image"
887 i["mediaType"] = "image/png"
888 i["url"] = e.ID
889 t["icon"] = i
890 tags = append(tags, t)
891 }
892 if len(tags) > 0 {
893 jo["tag"] = tags
894 }
895 var atts []junk.Junk
896 for _, d := range h.Donks {
897 if re_emus.MatchString(d.Name) {
898 continue
899 }
900 jd := junk.New()
901 jd["mediaType"] = d.Media
902 jd["name"] = d.Name
903 jd["summary"] = d.Desc
904 jd["type"] = "Document"
905 jd["url"] = d.URL
906 atts = append(atts, jd)
907 }
908 if len(atts) > 0 {
909 jo["attachment"] = atts
910 }
911 j["object"] = jo
912 case "bonk":
913 j["type"] = "Announce"
914 if h.Convoy != "" {
915 j["context"] = h.Convoy
916 }
917 j["object"] = h.XID
918 case "unbonk":
919 b := junk.New()
920 b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
921 b["type"] = "Announce"
922 if h.Convoy != "" {
923 b["context"] = h.Convoy
924 }
925 b["object"] = h.XID
926 j["type"] = "Undo"
927 j["object"] = b
928 case "zonk":
929 j["type"] = "Delete"
930 j["object"] = h.XID
931 case "ack":
932 j["type"] = "Read"
933 j["object"] = h.XID
934 case "deack":
935 j["type"] = "Ignore"
936 j["object"] = h.XID
937 }
938
939 return j, jo
940}
941
942func honkworldwide(user *WhatAbout, honk *Honk) {
943 jonk, _ := jonkjonk(user, honk)
944 jonk["@context"] = itiswhatitis
945 var buf bytes.Buffer
946 jonk.Write(&buf)
947 msg := buf.Bytes()
948
949 rcpts := make(map[string]bool)
950 for _, a := range honk.Audience {
951 if a != thewholeworld && a != user.URL && !strings.HasSuffix(a, "/followers") {
952 box, _ := getboxes(a)
953 if box != nil && honk.Public && box.Shared != "" {
954 rcpts["%"+box.Shared] = true
955 } else {
956 rcpts[a] = true
957 }
958 }
959 }
960 if honk.Public {
961 for _, f := range getdubs(user.ID) {
962 box, _ := getboxes(f.XID)
963 if box != nil && box.Shared != "" {
964 rcpts["%"+box.Shared] = true
965 } else {
966 rcpts[f.XID] = true
967 }
968 }
969 }
970 for a := range rcpts {
971 go deliverate(0, user.Name, a, msg)
972 }
973}
974
975func asjonker(user *WhatAbout) junk.Junk {
976 about := obfusbreak(user.About)
977
978 j := junk.New()
979 j["@context"] = itiswhatitis
980 j["id"] = user.URL
981 j["type"] = "Person"
982 j["inbox"] = user.URL + "/inbox"
983 j["outbox"] = user.URL + "/outbox"
984 j["followers"] = user.URL + "/followers"
985 j["following"] = user.URL + "/following"
986 j["name"] = user.Display
987 j["preferredUsername"] = user.Name
988 j["summary"] = about
989 j["url"] = user.URL
990 a := junk.New()
991 a["type"] = "Image"
992 a["mediaType"] = "image/png"
993 a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
994 j["icon"] = a
995 k := junk.New()
996 k["id"] = user.URL + "#key"
997 k["owner"] = user.URL
998 k["publicKeyPem"] = user.Key
999 j["publicKey"] = k
1000
1001 return j
1002}
1003
1004var handfull = make(map[string]string)
1005var handlock sync.Mutex
1006
1007func gofish(name string) string {
1008 if name[0] == '@' {
1009 name = name[1:]
1010 }
1011 m := strings.Split(name, "@")
1012 if len(m) != 2 {
1013 log.Printf("bad fish name: %s", name)
1014 return ""
1015 }
1016 handlock.Lock()
1017 ref, ok := handfull[name]
1018 handlock.Unlock()
1019 if ok {
1020 return ref
1021 }
1022 row := stmtGetXonker.QueryRow(name, "fishname")
1023 var href string
1024 err := row.Scan(&href)
1025 if err == nil {
1026 handlock.Lock()
1027 handfull[name] = href
1028 handlock.Unlock()
1029 return href
1030 }
1031 log.Printf("fishing for %s", name)
1032 j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1033 if err != nil {
1034 log.Printf("failed to go fish %s: %s", name, err)
1035 handlock.Lock()
1036 handfull[name] = ""
1037 handlock.Unlock()
1038 return ""
1039 }
1040 links, _ := j.GetArray("links")
1041 for _, li := range links {
1042 l, ok := li.(junk.Junk)
1043 if !ok {
1044 continue
1045 }
1046 href, _ := l.GetString("href")
1047 rel, _ := l.GetString("rel")
1048 t, _ := l.GetString("type")
1049 if rel == "self" && friendorfoe(t) {
1050 _, err := stmtSaveXonker.Exec(name, href, "fishname")
1051 if err != nil {
1052 log.Printf("error saving fishname: %s", err)
1053 }
1054 handlock.Lock()
1055 handfull[name] = href
1056 handlock.Unlock()
1057 return href
1058 }
1059 }
1060 handlock.Lock()
1061 handfull[name] = ""
1062 handlock.Unlock()
1063 return ""
1064}
1065
1066func isactor(t string) bool {
1067 switch t {
1068 case "Person":
1069 case "Organization":
1070 case "Application":
1071 case "Service":
1072 default:
1073 return false
1074 }
1075 return true
1076}
1077
1078func investigate(name string) (*Honker, error) {
1079 if name == "" {
1080 return nil, fmt.Errorf("no name")
1081 }
1082 if name[0] == '@' {
1083 name = gofish(name)
1084 }
1085 if name == "" {
1086 return nil, fmt.Errorf("no name")
1087 }
1088 log.Printf("digging up some info on %s", name)
1089 obj, err := GetJunkFast(name)
1090 if err != nil {
1091 log.Printf("error investigating honker: %s", err)
1092 return nil, err
1093 }
1094 t, _ := obj.GetString("type")
1095 if !isactor(t) {
1096 log.Printf("it's not a person! %s", name)
1097 return nil, err
1098 }
1099 xid, _ := obj.GetString("id")
1100 handle, _ := obj.GetString("preferredUsername")
1101 return &Honker{XID: xid, Handle: handle}, nil
1102}