all repos — honk @ 6dc14843423cde8c71228c26493b6135a73da059

my fork of honk

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	"context"
  21	"crypto/tls"
  22	"database/sql"
  23	"fmt"
  24	"html"
  25	"io"
  26	"log"
  27	notrand "math/rand"
  28	"net/http"
  29	"net/url"
  30	"os"
  31	"strings"
  32	"time"
  33
  34	"humungus.tedunangst.com/r/webs/cache"
  35	"humungus.tedunangst.com/r/webs/gate"
  36	"humungus.tedunangst.com/r/webs/httpsig"
  37	"humungus.tedunangst.com/r/webs/junk"
  38	"humungus.tedunangst.com/r/webs/templates"
  39)
  40
  41var theonetruename = `application/ld+json; profile="https://www.w3.org/ns/activitystreams"`
  42var thefakename = `application/activity+json`
  43var falsenames = []string{
  44	`application/ld+json`,
  45	`application/activity+json`,
  46}
  47var itiswhatitis = "https://www.w3.org/ns/activitystreams"
  48var thewholeworld = "https://www.w3.org/ns/activitystreams#Public"
  49
  50func friendorfoe(ct string) bool {
  51	ct = strings.ToLower(ct)
  52	for _, at := range falsenames {
  53		if strings.HasPrefix(ct, at) {
  54			return true
  55		}
  56	}
  57	return false
  58}
  59
  60var debugClient = &http.Client{
  61	Transport: &http.Transport{
  62		TLSClientConfig: &tls.Config{
  63			InsecureSkipVerify: true,
  64		},
  65	},
  66}
  67
  68func PostJunk(keyname string, key httpsig.PrivateKey, url string, j junk.Junk) error {
  69	return PostMsg(keyname, key, url, j.ToBytes())
  70}
  71
  72func PostMsg(keyname string, key httpsig.PrivateKey, url string, msg []byte) error {
  73	client := http.DefaultClient
  74	if debugMode {
  75		client = debugClient
  76	}
  77	req, err := http.NewRequest("POST", url, bytes.NewReader(msg))
  78	if err != nil {
  79		return err
  80	}
  81	req.Header.Set("User-Agent", "honksnonk/5.0; "+serverName)
  82	req.Header.Set("Content-Type", theonetruename)
  83	httpsig.SignRequest(keyname, key, req, msg)
  84	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
  85	defer cancel()
  86	req = req.WithContext(ctx)
  87	resp, err := client.Do(req)
  88	if err != nil {
  89		return err
  90	}
  91	resp.Body.Close()
  92	switch resp.StatusCode {
  93	case 200:
  94	case 201:
  95	case 202:
  96	default:
  97		return fmt.Errorf("http post status: %d", resp.StatusCode)
  98	}
  99	log.Printf("successful post: %s %d", url, resp.StatusCode)
 100	return nil
 101}
 102
 103type JunkError struct {
 104	Junk junk.Junk
 105	Err  error
 106}
 107
 108func GetJunk(url string) (junk.Junk, error) {
 109	return GetJunkTimeout(url, 30*time.Second)
 110}
 111
 112func GetJunkFast(url string) (junk.Junk, error) {
 113	return GetJunkTimeout(url, 5*time.Second)
 114}
 115
 116func GetJunkHardMode(url string) (junk.Junk, error) {
 117	j, err := GetJunk(url)
 118	if err != nil {
 119		emsg := err.Error()
 120		if emsg == "http get status: 502" || strings.Contains(emsg, "timeout") {
 121			log.Printf("trying again after error: %s", emsg)
 122			time.Sleep(time.Duration(60+notrand.Int63n(60)) * time.Second)
 123			j, err = GetJunk(url)
 124			if err != nil {
 125				log.Printf("still couldn't get it")
 126			} else {
 127				log.Printf("retry success!")
 128			}
 129		}
 130	}
 131	return j, err
 132}
 133
 134var flightdeck = gate.NewSerializer()
 135
 136func GetJunkTimeout(url string, timeout time.Duration) (junk.Junk, error) {
 137
 138	fn := func() (interface{}, error) {
 139		at := thefakename
 140		if strings.Contains(url, ".well-known/webfinger?resource") {
 141			at = "application/jrd+json"
 142		}
 143		j, err := junk.Get(url, junk.GetArgs{
 144			Accept:  at,
 145			Agent:   "honksnonk/5.0; " + serverName,
 146			Timeout: timeout,
 147		})
 148		return j, err
 149	}
 150
 151	ji, err := flightdeck.Call(url, fn)
 152	if err != nil {
 153		return nil, err
 154	}
 155	j := ji.(junk.Junk)
 156	return j, nil
 157}
 158
 159func fetchsome(url string) ([]byte, error) {
 160	client := http.DefaultClient
 161	req, err := http.NewRequest("GET", url, nil)
 162	if err != nil {
 163		log.Printf("error fetching %s: %s", url, err)
 164		return nil, err
 165	}
 166	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
 167	defer cancel()
 168	req = req.WithContext(ctx)
 169	resp, err := client.Do(req)
 170	if err != nil {
 171		log.Printf("error fetching %s: %s", url, err)
 172		return nil, err
 173	}
 174	defer resp.Body.Close()
 175	if resp.StatusCode != 200 {
 176		return nil, fmt.Errorf("not 200: %d %s", resp.StatusCode, url)
 177	}
 178	var buf bytes.Buffer
 179	limiter := io.LimitReader(resp.Body, 10*1024*1024)
 180	io.Copy(&buf, limiter)
 181	return buf.Bytes(), nil
 182}
 183
 184func savedonk(url string, name, desc, media string, localize bool) *Donk {
 185	if url == "" {
 186		return nil
 187	}
 188	if donk := finddonk(url); donk != nil {
 189		return donk
 190	}
 191	log.Printf("saving donk: %s", url)
 192	xid := xfiltrate()
 193	data := []byte{}
 194	if localize {
 195		fn := func() (interface{}, error) {
 196			return fetchsome(url)
 197		}
 198		ii, err := flightdeck.Call(url, fn)
 199		if err != nil {
 200			log.Printf("error fetching donk: %s", err)
 201			localize = false
 202			goto saveit
 203		}
 204		data = ii.([]byte)
 205
 206		if len(data) == 10*1024*1024 {
 207			log.Printf("truncation likely")
 208		}
 209		if strings.HasPrefix(media, "image") {
 210			img, err := shrinkit(data)
 211			if err != nil {
 212				log.Printf("unable to decode image: %s", err)
 213				localize = false
 214				data = []byte{}
 215				goto saveit
 216			}
 217			data = img.Data
 218			format := img.Format
 219			media = "image/" + format
 220			if format == "jpeg" {
 221				format = "jpg"
 222			}
 223			xid = xid + "." + format
 224		} else if media == "application/pdf" {
 225			if len(data) > 1000000 {
 226				log.Printf("not saving large pdf")
 227				localize = false
 228				data = []byte{}
 229			}
 230		} else if len(data) > 100000 {
 231			log.Printf("not saving large attachment")
 232			localize = false
 233			data = []byte{}
 234		}
 235	}
 236saveit:
 237	fileid, err := savefile(xid, name, desc, url, media, localize, data)
 238	if err != nil {
 239		log.Printf("error saving file %s: %s", url, err)
 240		return nil
 241	}
 242	donk := new(Donk)
 243	donk.FileID = fileid
 244	donk.XID = xid
 245	return donk
 246}
 247
 248func iszonked(userid int64, xid string) bool {
 249	var id int64
 250	row := stmtFindZonk.QueryRow(userid, xid)
 251	err := row.Scan(&id)
 252	if err == nil {
 253		return true
 254	}
 255	if err != sql.ErrNoRows {
 256		log.Printf("error querying zonk: %s", err)
 257	}
 258	return false
 259}
 260
 261func needxonk(user *WhatAbout, x *Honk) bool {
 262	if rejectxonk(x) {
 263		return false
 264	}
 265	return needxonkid(user, x.XID)
 266}
 267func needbonkid(user *WhatAbout, xid string) bool {
 268	return needxonkidX(user, xid, true)
 269}
 270func needxonkid(user *WhatAbout, xid string) bool {
 271	return needxonkidX(user, xid, false)
 272}
 273func needxonkidX(user *WhatAbout, xid string, isannounce bool) bool {
 274	if !strings.HasPrefix(xid, "https://") {
 275		return false
 276	}
 277	if strings.HasPrefix(xid, user.URL+"/") {
 278		return false
 279	}
 280	if rejectorigin(user.ID, xid, isannounce) {
 281		log.Printf("rejecting origin: %s", xid)
 282		return false
 283	}
 284	if iszonked(user.ID, xid) {
 285		log.Printf("already zonked: %s", xid)
 286		return false
 287	}
 288	var id int64
 289	row := stmtFindXonk.QueryRow(user.ID, xid)
 290	err := row.Scan(&id)
 291	if err == nil {
 292		return false
 293	}
 294	if err != sql.ErrNoRows {
 295		log.Printf("error querying xonk: %s", err)
 296	}
 297	return true
 298}
 299
 300func eradicatexonk(userid int64, xid string) {
 301	xonk := getxonk(userid, xid)
 302	if xonk != nil {
 303		deletehonk(xonk.ID)
 304	}
 305	_, err := stmtSaveZonker.Exec(userid, xid, "zonk")
 306	if err != nil {
 307		log.Printf("error eradicating: %s", err)
 308	}
 309}
 310
 311func savexonk(x *Honk) {
 312	log.Printf("saving xonk: %s", x.XID)
 313	go handles(x.Honker)
 314	go handles(x.Oonker)
 315	savehonk(x)
 316}
 317
 318type Box struct {
 319	In     string
 320	Out    string
 321	Shared string
 322}
 323
 324var boxofboxes = cache.New(cache.Options{Filler: func(ident string) (*Box, bool) {
 325	var info string
 326	row := stmtGetXonker.QueryRow(ident, "boxes")
 327	err := row.Scan(&info)
 328	if err != nil {
 329		log.Printf("need to get boxes for %s", ident)
 330		var j junk.Junk
 331		j, err = GetJunk(ident)
 332		if err != nil {
 333			log.Printf("error getting boxes: %s", err)
 334			return nil, false
 335		}
 336		allinjest(originate(ident), j)
 337		row = stmtGetXonker.QueryRow(ident, "boxes")
 338		err = row.Scan(&info)
 339	}
 340	if err == nil {
 341		m := strings.Split(info, " ")
 342		b := &Box{In: m[0], Out: m[1], Shared: m[2]}
 343		return b, true
 344	}
 345	return nil, false
 346}})
 347
 348func gimmexonks(user *WhatAbout, outbox string) {
 349	log.Printf("getting outbox: %s", outbox)
 350	j, err := GetJunk(outbox)
 351	if err != nil {
 352		log.Printf("error getting outbox: %s", err)
 353		return
 354	}
 355	t, _ := j.GetString("type")
 356	origin := originate(outbox)
 357	if t == "OrderedCollection" {
 358		items, _ := j.GetArray("orderedItems")
 359		if items == nil {
 360			items, _ = j.GetArray("items")
 361		}
 362		if items == nil {
 363			obj, ok := j.GetMap("first")
 364			if ok {
 365				items, _ = obj.GetArray("orderedItems")
 366			} else {
 367				page1, ok := j.GetString("first")
 368				if ok {
 369					j, err = GetJunk(page1)
 370					if err != nil {
 371						log.Printf("error gettings page1: %s", err)
 372						return
 373					}
 374					items, _ = j.GetArray("orderedItems")
 375				}
 376			}
 377		}
 378		if len(items) > 20 {
 379			items = items[0:20]
 380		}
 381		for i, j := 0, len(items)-1; i < j; i, j = i+1, j-1 {
 382			items[i], items[j] = items[j], items[i]
 383		}
 384		for _, item := range items {
 385			obj, ok := item.(junk.Junk)
 386			if ok {
 387				xonksaver(user, obj, origin)
 388				continue
 389			}
 390			xid, ok := item.(string)
 391			if ok {
 392				if !needxonkid(user, xid) {
 393					continue
 394				}
 395				obj, err = GetJunk(xid)
 396				if err != nil {
 397					log.Printf("error getting item: %s", err)
 398					continue
 399				}
 400				xonksaver(user, obj, originate(xid))
 401			}
 402		}
 403	}
 404}
 405
 406func newphone(a []string, obj junk.Junk) []string {
 407	for _, addr := range []string{"to", "cc", "attributedTo"} {
 408		who, _ := obj.GetString(addr)
 409		if who != "" {
 410			a = append(a, who)
 411		}
 412		whos, _ := obj.GetArray(addr)
 413		for _, w := range whos {
 414			who, _ := w.(string)
 415			if who != "" {
 416				a = append(a, who)
 417			}
 418		}
 419	}
 420	return a
 421}
 422
 423func extractattrto(obj junk.Junk) string {
 424	who, _ := obj.GetString("attributedTo")
 425	if who != "" {
 426		return who
 427	}
 428	o, ok := obj.GetMap("attributedTo")
 429	if ok {
 430		id, ok := o.GetString("id")
 431		if ok {
 432			return id
 433		}
 434	}
 435	arr, _ := obj.GetArray("attributedTo")
 436	for _, a := range arr {
 437		o, ok := a.(junk.Junk)
 438		if ok {
 439			t, _ := o.GetString("type")
 440			id, _ := o.GetString("id")
 441			if t == "Person" || t == "" {
 442				return id
 443			}
 444		}
 445		s, ok := a.(string)
 446		if ok {
 447			return s
 448		}
 449	}
 450	return ""
 451}
 452
 453func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
 454	depth := 0
 455	maxdepth := 10
 456	currenttid := ""
 457	goingup := 0
 458	var xonkxonkfn func(item junk.Junk, origin string) *Honk
 459
 460	saveonemore := func(xid string) {
 461		log.Printf("getting onemore: %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 onemore: %s: %s", xid, err)
 469			return
 470		}
 471		depth++
 472		xonkxonkfn(obj, originate(xid))
 473		depth--
 474	}
 475
 476	xonkxonkfn = func(item junk.Junk, origin string) *Honk {
 477		id, _ := item.GetString("id")
 478		what, _ := item.GetString("type")
 479		dt, ok := item.GetString("published")
 480		if !ok {
 481			dt = time.Now().Format(time.RFC3339)
 482		}
 483
 484		var err error
 485		var xid, rid, url, content, precis, convoy string
 486		var replies []string
 487		var obj junk.Junk
 488		isUpdate := false
 489		switch what {
 490		case "Delete":
 491			obj, ok = item.GetMap("object")
 492			if ok {
 493				xid, _ = obj.GetString("id")
 494			} else {
 495				xid, _ = item.GetString("object")
 496			}
 497			if xid == "" {
 498				return nil
 499			}
 500			if originate(xid) != origin {
 501				log.Printf("forged delete: %s", xid)
 502				return nil
 503			}
 504			log.Printf("eradicating %s", xid)
 505			eradicatexonk(user.ID, xid)
 506			return nil
 507		case "Tombstone":
 508			xid, _ = item.GetString("id")
 509			if xid == "" {
 510				return nil
 511			}
 512			if originate(xid) != origin {
 513				log.Printf("forged delete: %s", xid)
 514				return nil
 515			}
 516			log.Printf("eradicating %s", xid)
 517			eradicatexonk(user.ID, xid)
 518			return nil
 519		case "Announce":
 520			obj, ok = item.GetMap("object")
 521			if ok {
 522				xid, _ = obj.GetString("id")
 523			} else {
 524				xid, _ = item.GetString("object")
 525			}
 526			if !needbonkid(user, xid) {
 527				return nil
 528			}
 529			log.Printf("getting bonk: %s", xid)
 530			obj, err = GetJunkHardMode(xid)
 531			if err != nil {
 532				log.Printf("error getting bonk: %s: %s", xid, err)
 533			}
 534			origin = originate(xid)
 535			what = "bonk"
 536		case "Update":
 537			isUpdate = true
 538			fallthrough
 539		case "Create":
 540			obj, ok = item.GetMap("object")
 541			if !ok {
 542				xid, _ = item.GetString("object")
 543				log.Printf("getting created honk: %s", xid)
 544				if originate(xid) != origin {
 545					log.Printf("out of bounds %s not from %s", xid, origin)
 546					return nil
 547				}
 548				obj, err = GetJunkHardMode(xid)
 549				if err != nil {
 550					log.Printf("error getting creation: %s", err)
 551				}
 552			}
 553			if obj == nil {
 554				log.Printf("no object for creation %s", id)
 555				return nil
 556			}
 557			return xonkxonkfn(obj, origin)
 558		case "Read":
 559			xid, ok = item.GetString("object")
 560			if ok {
 561				if !needxonkid(user, xid) {
 562					log.Printf("don't need read obj: %s", xid)
 563					return nil
 564				}
 565				obj, err = GetJunkHardMode(xid)
 566				if err != nil {
 567					log.Printf("error getting read: %s", err)
 568					return nil
 569				}
 570				return xonkxonkfn(obj, originate(xid))
 571			}
 572			return nil
 573		case "Add":
 574			xid, ok = item.GetString("object")
 575			if ok {
 576				// check target...
 577				if !needxonkid(user, xid) {
 578					log.Printf("don't need added obj: %s", xid)
 579					return nil
 580				}
 581				obj, err = GetJunkHardMode(xid)
 582				if err != nil {
 583					log.Printf("error getting add: %s", err)
 584					return nil
 585				}
 586				return xonkxonkfn(obj, originate(xid))
 587			}
 588			return nil
 589		case "Move":
 590			obj = item
 591			what = "move"
 592		case "Audio":
 593			fallthrough
 594		case "Image":
 595			fallthrough
 596		case "Video":
 597			fallthrough
 598		case "Question":
 599			fallthrough
 600		case "Note":
 601			fallthrough
 602		case "Article":
 603			fallthrough
 604		case "Page":
 605			obj = item
 606			what = "honk"
 607		case "Event":
 608			obj = item
 609			what = "event"
 610		case "ChatMessage":
 611			obj = item
 612			what = "chonk"
 613		default:
 614			log.Printf("unknown activity: %s", what)
 615			dumpactivity(item)
 616			return nil
 617		}
 618
 619		if obj != nil {
 620			xid, _ = obj.GetString("id")
 621		}
 622
 623		if xid == "" {
 624			log.Printf("don't know what xid is")
 625			item.Write(os.Stdout)
 626			return nil
 627		}
 628		if originate(xid) != origin {
 629			log.Printf("original sin: %s not from %s", xid, origin)
 630			item.Write(os.Stdout)
 631			return nil
 632		}
 633
 634		var xonk Honk
 635		// early init
 636		xonk.XID = xid
 637		xonk.UserID = user.ID
 638		xonk.Honker, _ = item.GetString("actor")
 639		if xonk.Honker == "" {
 640			xonk.Honker, _ = item.GetString("attributedTo")
 641		}
 642		if obj != nil {
 643			if xonk.Honker == "" {
 644				xonk.Honker = extractattrto(obj)
 645			}
 646			xonk.Oonker = extractattrto(obj)
 647			if xonk.Oonker == xonk.Honker {
 648				xonk.Oonker = ""
 649			}
 650			xonk.Audience = newphone(nil, obj)
 651		}
 652		xonk.Audience = append(xonk.Audience, xonk.Honker)
 653		xonk.Audience = oneofakind(xonk.Audience)
 654
 655		var mentions []Mention
 656		if obj != nil {
 657			ot, _ := obj.GetString("type")
 658			url, _ = obj.GetString("url")
 659			if dt2, ok := obj.GetString("published"); ok {
 660				dt = dt2
 661			}
 662			content, _ = obj.GetString("content")
 663			if !strings.HasPrefix(content, "<p>") {
 664				content = "<p>" + content
 665			}
 666			precis, _ = obj.GetString("summary")
 667			if name, ok := obj.GetString("name"); ok {
 668				if precis != "" {
 669					content = precis + "<p>" + content
 670				}
 671				precis = html.EscapeString(name)
 672			}
 673			if sens, _ := obj["sensitive"].(bool); sens && precis == "" {
 674				precis = "unspecified horror"
 675			}
 676			rid, ok = obj.GetString("inReplyTo")
 677			if !ok {
 678				if robj, ok := obj.GetMap("inReplyTo"); ok {
 679					rid, _ = robj.GetString("id")
 680				}
 681			}
 682			convoy, _ = obj.GetString("context")
 683			if convoy == "" {
 684				convoy, _ = obj.GetString("conversation")
 685			}
 686			if ot == "Question" {
 687				if what == "honk" {
 688					what = "qonk"
 689				}
 690				content += "<ul>"
 691				ans, _ := obj.GetArray("oneOf")
 692				for _, ai := range ans {
 693					a, ok := ai.(junk.Junk)
 694					if !ok {
 695						continue
 696					}
 697					as, _ := a.GetString("name")
 698					content += "<li>" + as
 699				}
 700				ans, _ = obj.GetArray("anyOf")
 701				for _, ai := range ans {
 702					a, ok := ai.(junk.Junk)
 703					if !ok {
 704						continue
 705					}
 706					as, _ := a.GetString("name")
 707					content += "<li>" + as
 708				}
 709				content += "</ul>"
 710			}
 711			if ot == "Move" {
 712				targ, _ := obj.GetString("target")
 713				content += string(templates.Sprintf(`<p>Moved to <a href="%s">%s</a>`, targ, targ))
 714			}
 715			if what == "honk" && rid != "" {
 716				what = "tonk"
 717			}
 718			numatts := 0
 719			procatt := func(att junk.Junk) {
 720				if rejectxonk(&xonk) {
 721					log.Printf("skipping rejected attachment: %s", xid)
 722					return
 723				}
 724				at, _ := att.GetString("type")
 725				mt, _ := att.GetString("mediaType")
 726				u, ok := att.GetString("url")
 727				if !ok {
 728					if uu, ok := att.GetMap("url"); ok {
 729						u, _ = uu.GetString("href")
 730					}
 731				}
 732				name, _ := att.GetString("name")
 733				desc, _ := att.GetString("summary")
 734				if desc == "" {
 735					desc = name
 736				}
 737				localize := false
 738				if numatts > 4 {
 739					log.Printf("excessive attachment: %s", at)
 740				} else if at == "Document" || at == "Image" {
 741					mt = strings.ToLower(mt)
 742					log.Printf("attachment: %s %s", mt, u)
 743					if mt == "text/plain" || mt == "application/pdf" ||
 744						strings.HasPrefix(mt, "image") {
 745						localize = true
 746					}
 747				} else {
 748					log.Printf("unknown attachment: %s", at)
 749				}
 750				if skipMedia(&xonk) {
 751					localize = false
 752				}
 753				donk := savedonk(u, name, desc, mt, localize)
 754				if donk != nil {
 755					xonk.Donks = append(xonk.Donks, donk)
 756				}
 757				numatts++
 758			}
 759			atts, _ := obj.GetArray("attachment")
 760			for _, atti := range atts {
 761				att, ok := atti.(junk.Junk)
 762				if !ok {
 763					log.Printf("attachment that wasn't map?")
 764					continue
 765				}
 766				procatt(att)
 767			}
 768			if att, ok := obj.GetMap("attachment"); ok {
 769				procatt(att)
 770			}
 771			tags, _ := obj.GetArray("tag")
 772			for _, tagi := range tags {
 773				if rejectxonk(&xonk) {
 774					log.Printf("skipping rejected attachment: %s", xid)
 775					continue
 776				}
 777				tag, ok := tagi.(junk.Junk)
 778				if !ok {
 779					continue
 780				}
 781				tt, _ := tag.GetString("type")
 782				name, _ := tag.GetString("name")
 783				desc, _ := tag.GetString("summary")
 784				if desc == "" {
 785					desc = name
 786				}
 787				if tt == "Emoji" {
 788					icon, _ := tag.GetMap("icon")
 789					mt, _ := icon.GetString("mediaType")
 790					if mt == "" {
 791						mt = "image/png"
 792					}
 793					u, _ := icon.GetString("url")
 794					donk := savedonk(u, name, desc, mt, true)
 795					if donk != nil {
 796						xonk.Donks = append(xonk.Donks, donk)
 797					}
 798				}
 799				if tt == "Hashtag" {
 800					if name == "" || name == "#" {
 801						// skip it
 802					} else {
 803						if name[0] != '#' {
 804							name = "#" + name
 805						}
 806						xonk.Onts = append(xonk.Onts, name)
 807					}
 808				}
 809				if tt == "Place" {
 810					p := new(Place)
 811					p.Name = name
 812					p.Latitude, _ = tag["latitude"].(float64)
 813					p.Longitude, _ = tag["longitude"].(float64)
 814					p.Url, _ = tag.GetString("url")
 815					xonk.Place = p
 816				}
 817				if tt == "Mention" {
 818					var m Mention
 819					m.Who, _ = tag.GetString("name")
 820					m.Where, _ = tag.GetString("href")
 821					mentions = append(mentions, m)
 822				}
 823			}
 824			if starttime, ok := obj.GetString("startTime"); ok {
 825				if start, err := time.Parse(time.RFC3339, starttime); err == nil {
 826					t := new(Time)
 827					t.StartTime = start
 828					endtime, _ := obj.GetString("endTime")
 829					t.EndTime, _ = time.Parse(time.RFC3339, endtime)
 830					dura, _ := obj.GetString("duration")
 831					if strings.HasPrefix(dura, "PT") {
 832						dura = strings.ToLower(dura[2:])
 833						d, _ := time.ParseDuration(dura)
 834						t.Duration = Duration(d)
 835					}
 836					xonk.Time = t
 837				}
 838			}
 839			if loca, ok := obj.GetMap("location"); ok {
 840				if tt, _ := loca.GetString("type"); tt == "Place" {
 841					p := new(Place)
 842					p.Name, _ = loca.GetString("name")
 843					p.Latitude, _ = loca["latitude"].(float64)
 844					p.Longitude, _ = loca["longitude"].(float64)
 845					p.Url, _ = loca.GetString("url")
 846					xonk.Place = p
 847				}
 848			}
 849
 850			xonk.Onts = oneofakind(xonk.Onts)
 851			replyobj, ok := obj.GetMap("replies")
 852			if ok {
 853				items, ok := replyobj.GetArray("items")
 854				if !ok {
 855					first, ok := replyobj.GetMap("first")
 856					if ok {
 857						items, _ = first.GetArray("items")
 858					}
 859				}
 860				for _, repl := range items {
 861					s, ok := repl.(string)
 862					if ok {
 863						replies = append(replies, s)
 864					}
 865				}
 866			}
 867
 868		}
 869
 870		if currenttid == "" {
 871			currenttid = convoy
 872		}
 873
 874		if len(content) > 90001 {
 875			log.Printf("content too long. truncating")
 876			content = content[:90001]
 877		}
 878
 879		// init xonk
 880		xonk.What = what
 881		xonk.RID = rid
 882		xonk.Date, _ = time.Parse(time.RFC3339, dt)
 883		xonk.URL = url
 884		xonk.Noise = content
 885		xonk.Precis = precis
 886		xonk.Format = "html"
 887		xonk.Convoy = convoy
 888		xonk.Mentions = mentions
 889		for _, m := range mentions {
 890			if m.Where == user.URL {
 891				xonk.Whofore = 1
 892			}
 893		}
 894		imaginate(&xonk)
 895
 896		if what == "chonk" {
 897			ch := Chonk{
 898				UserID: xonk.UserID,
 899				XID:    xid,
 900				Who:    xonk.Honker,
 901				Target: xonk.Honker,
 902				Date:   xonk.Date,
 903				Noise:  xonk.Noise,
 904				Format: xonk.Format,
 905				Donks:  xonk.Donks,
 906			}
 907			savechonk(&ch)
 908			return nil
 909		}
 910
 911		if isUpdate {
 912			log.Printf("something has changed! %s", xonk.XID)
 913			prev := getxonk(user.ID, xonk.XID)
 914			if prev == nil {
 915				log.Printf("didn't find old version for update: %s", xonk.XID)
 916				isUpdate = false
 917			} else {
 918				xonk.ID = prev.ID
 919				updatehonk(&xonk)
 920			}
 921		}
 922		if !isUpdate && needxonk(user, &xonk) {
 923			if rid != "" {
 924				if needxonkid(user, rid) {
 925					goingup++
 926					saveonemore(rid)
 927					goingup--
 928				}
 929				if convoy == "" {
 930					xx := getxonk(user.ID, rid)
 931					if xx != nil {
 932						convoy = xx.Convoy
 933					}
 934				}
 935			}
 936			if convoy == "" {
 937				convoy = currenttid
 938			}
 939			if convoy == "" {
 940				convoy = "data:,missing-" + xfiltrate()
 941				currenttid = convoy
 942			}
 943			xonk.Convoy = convoy
 944			savexonk(&xonk)
 945		}
 946		if goingup == 0 {
 947			for _, replid := range replies {
 948				if needxonkid(user, replid) {
 949					log.Printf("missing a reply: %s", replid)
 950					saveonemore(replid)
 951				}
 952			}
 953		}
 954		return &xonk
 955	}
 956
 957	return xonkxonkfn(item, origin)
 958}
 959
 960func dumpactivity(item junk.Junk) {
 961	fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 962	if err != nil {
 963		log.Printf("error opening inbox! %s", err)
 964		return
 965	}
 966	defer fd.Close()
 967	item.Write(fd)
 968	io.WriteString(fd, "\n")
 969}
 970
 971func rubadubdub(user *WhatAbout, req junk.Junk) {
 972	xid, _ := req.GetString("id")
 973	actor, _ := req.GetString("actor")
 974	j := junk.New()
 975	j["@context"] = itiswhatitis
 976	j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
 977	j["type"] = "Accept"
 978	j["actor"] = user.URL
 979	j["to"] = actor
 980	j["published"] = time.Now().UTC().Format(time.RFC3339)
 981	j["object"] = req
 982
 983	deliverate(0, user.ID, actor, j.ToBytes())
 984}
 985
 986func itakeitallback(user *WhatAbout, xid string) {
 987	j := junk.New()
 988	j["@context"] = itiswhatitis
 989	j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
 990	j["type"] = "Undo"
 991	j["actor"] = user.URL
 992	j["to"] = xid
 993	f := junk.New()
 994	f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
 995	f["type"] = "Follow"
 996	f["actor"] = user.URL
 997	f["to"] = xid
 998	f["object"] = xid
 999	j["object"] = f
1000	j["published"] = time.Now().UTC().Format(time.RFC3339)
1001
1002	deliverate(0, user.ID, xid, j.ToBytes())
1003}
1004
1005func subsub(user *WhatAbout, xid string, owner string) {
1006	if xid == "" {
1007		log.Printf("can't subscribe to empty")
1008		return
1009	}
1010	j := junk.New()
1011	j["@context"] = itiswhatitis
1012	j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
1013	j["type"] = "Follow"
1014	j["actor"] = user.URL
1015	j["to"] = owner
1016	j["object"] = xid
1017	j["published"] = time.Now().UTC().Format(time.RFC3339)
1018
1019	deliverate(0, user.ID, owner, j.ToBytes())
1020}
1021
1022// returns activity, object
1023func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1024	dt := h.Date.Format(time.RFC3339)
1025	var jo junk.Junk
1026	j := junk.New()
1027	j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1028	j["actor"] = user.URL
1029	j["published"] = dt
1030	if h.Public {
1031		j["to"] = []string{h.Audience[0], user.URL + "/followers"}
1032	} else {
1033		j["to"] = h.Audience[0]
1034	}
1035	if len(h.Audience) > 1 {
1036		j["cc"] = h.Audience[1:]
1037	}
1038
1039	switch h.What {
1040	case "update":
1041		fallthrough
1042	case "tonk":
1043		fallthrough
1044	case "event":
1045		fallthrough
1046	case "honk":
1047		j["type"] = "Create"
1048		if h.What == "update" {
1049			j["type"] = "Update"
1050		}
1051
1052		jo = junk.New()
1053		jo["id"] = h.XID
1054		jo["type"] = "Note"
1055		if h.What == "event" {
1056			jo["type"] = "Event"
1057		}
1058		jo["published"] = dt
1059		jo["url"] = h.XID
1060		jo["attributedTo"] = user.URL
1061		if h.RID != "" {
1062			jo["inReplyTo"] = h.RID
1063		}
1064		if h.Convoy != "" {
1065			jo["context"] = h.Convoy
1066			jo["conversation"] = h.Convoy
1067		}
1068		jo["to"] = h.Audience[0]
1069		if len(h.Audience) > 1 {
1070			jo["cc"] = h.Audience[1:]
1071		}
1072		if !h.Public {
1073			jo["directMessage"] = true
1074		}
1075		var mentions []Mention
1076		if len(h.Mentions) > 0 {
1077			mentions = h.Mentions
1078		} else {
1079			mentions = bunchofgrapes(h.Noise)
1080		}
1081		translate(h)
1082		redoimages(h)
1083		if h.Precis != "" {
1084			jo["sensitive"] = true
1085		}
1086
1087		var replies []string
1088		for _, reply := range h.Replies {
1089			replies = append(replies, reply.XID)
1090		}
1091		if len(replies) > 0 {
1092			jr := junk.New()
1093			jr["type"] = "Collection"
1094			jr["totalItems"] = len(replies)
1095			jr["items"] = replies
1096			jo["replies"] = jr
1097		}
1098
1099		var tags []junk.Junk
1100		for _, m := range mentions {
1101			t := junk.New()
1102			t["type"] = "Mention"
1103			t["name"] = m.Who
1104			t["href"] = m.Where
1105			tags = append(tags, t)
1106		}
1107		for _, o := range h.Onts {
1108			t := junk.New()
1109			t["type"] = "Hashtag"
1110			o = strings.ToLower(o)
1111			t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1112			t["name"] = o
1113			tags = append(tags, t)
1114		}
1115		for _, e := range herdofemus(h.Noise) {
1116			t := junk.New()
1117			t["id"] = e.ID
1118			t["type"] = "Emoji"
1119			t["name"] = e.Name
1120			i := junk.New()
1121			i["type"] = "Image"
1122			i["mediaType"] = "image/png"
1123			i["url"] = e.ID
1124			t["icon"] = i
1125			tags = append(tags, t)
1126		}
1127		for _, e := range bloat_fixupflags(h) {
1128			t := junk.New()
1129			t["id"] = e.ID
1130			t["type"] = "Emoji"
1131			t["name"] = e.Name
1132			i := junk.New()
1133			i["type"] = "Image"
1134			i["mediaType"] = "image/png"
1135			i["url"] = e.ID
1136			t["icon"] = i
1137			tags = append(tags, t)
1138		}
1139		if len(tags) > 0 {
1140			jo["tag"] = tags
1141		}
1142		if p := h.Place; p != nil {
1143			t := junk.New()
1144			t["type"] = "Place"
1145			if p.Name != "" {
1146				t["name"] = p.Name
1147			}
1148			if p.Latitude != 0 {
1149				t["latitude"] = p.Latitude
1150			}
1151			if p.Longitude != 0 {
1152				t["longitude"] = p.Longitude
1153			}
1154			if p.Url != "" {
1155				t["url"] = p.Url
1156			}
1157			jo["location"] = t
1158		}
1159		if t := h.Time; t != nil {
1160			jo["startTime"] = t.StartTime.Format(time.RFC3339)
1161			if t.Duration != 0 {
1162				jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1163			}
1164		}
1165		var atts []junk.Junk
1166		for _, d := range h.Donks {
1167			if re_emus.MatchString(d.Name) {
1168				continue
1169			}
1170			jd := junk.New()
1171			jd["mediaType"] = d.Media
1172			jd["name"] = d.Name
1173			jd["summary"] = html.EscapeString(d.Desc)
1174			jd["type"] = "Document"
1175			jd["url"] = d.URL
1176			atts = append(atts, jd)
1177		}
1178		if len(atts) > 0 {
1179			jo["attachment"] = atts
1180		}
1181		jo["summary"] = html.EscapeString(h.Precis)
1182		jo["content"] = h.Noise
1183		j["object"] = jo
1184	case "bonk":
1185		j["type"] = "Announce"
1186		if h.Convoy != "" {
1187			j["context"] = h.Convoy
1188		}
1189		j["object"] = h.XID
1190	case "unbonk":
1191		b := junk.New()
1192		b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1193		b["type"] = "Announce"
1194		b["actor"] = user.URL
1195		if h.Convoy != "" {
1196			b["context"] = h.Convoy
1197		}
1198		b["object"] = h.XID
1199		j["type"] = "Undo"
1200		j["object"] = b
1201	case "zonk":
1202		j["type"] = "Delete"
1203		j["object"] = h.XID
1204	case "ack":
1205		j["type"] = "Read"
1206		j["object"] = h.XID
1207		if h.Convoy != "" {
1208			j["context"] = h.Convoy
1209		}
1210	case "react":
1211		j["type"] = "EmojiReact"
1212		j["object"] = h.XID
1213		if h.Convoy != "" {
1214			j["context"] = h.Convoy
1215		}
1216		j["content"] = h.Noise
1217	case "deack":
1218		b := junk.New()
1219		b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1220		b["type"] = "Read"
1221		b["actor"] = user.URL
1222		b["object"] = h.XID
1223		if h.Convoy != "" {
1224			b["context"] = h.Convoy
1225		}
1226		j["type"] = "Undo"
1227		j["object"] = b
1228	}
1229
1230	return j, jo
1231}
1232
1233var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1234	row := stmtAnyXonk.QueryRow(xid)
1235	honk := scanhonk(row)
1236	if honk == nil || !honk.Public {
1237		return nil, true
1238	}
1239	user, _ := butwhatabout(honk.Username)
1240	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1241	reversehonks(rawhonks)
1242	for _, h := range rawhonks {
1243		if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1244			honk.Replies = append(honk.Replies, h)
1245		}
1246	}
1247	donksforhonks([]*Honk{honk})
1248	_, j := jonkjonk(user, honk)
1249	j["@context"] = itiswhatitis
1250
1251	return j.ToBytes(), true
1252}, Limit: 128})
1253
1254func gimmejonk(xid string) ([]byte, bool) {
1255	var j []byte
1256	ok := oldjonks.Get(xid, &j)
1257	return j, ok
1258}
1259
1260func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1261	rcpts := make(map[string]bool)
1262	for _, a := range addresses {
1263		if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1264			continue
1265		}
1266		if a[0] == '%' {
1267			rcpts[a] = true
1268			continue
1269		}
1270		var box *Box
1271		ok := boxofboxes.Get(a, &box)
1272		if ok && useshared && box.Shared != "" {
1273			rcpts["%"+box.Shared] = true
1274		} else {
1275			rcpts[a] = true
1276		}
1277	}
1278	return rcpts
1279}
1280
1281func sendchonk(user *WhatAbout, ch *Chonk) {
1282	dt := ch.Date.Format(time.RFC3339)
1283	aud := []string{ch.Target}
1284
1285	jo := junk.New()
1286	jo["id"] = ch.XID
1287	jo["type"] = "ChatMessage"
1288	jo["published"] = dt
1289	jo["attributedTo"] = user.URL
1290	jo["to"] = aud
1291	jo["content"] = ch.HTML
1292
1293	j := junk.New()
1294	j["@context"] = itiswhatitis
1295	j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1296	j["type"] = "Create"
1297	j["actor"] = user.URL
1298	j["published"] = dt
1299	j["to"] = aud
1300	j["object"] = jo
1301
1302	msg := j.ToBytes()
1303	rcpts := make(map[string]bool)
1304	rcpts[ch.Target] = true
1305	for a := range rcpts {
1306		go deliverate(0, user.ID, a, msg)
1307	}
1308}
1309
1310func honkworldwide(user *WhatAbout, honk *Honk) {
1311	jonk, _ := jonkjonk(user, honk)
1312	jonk["@context"] = itiswhatitis
1313	msg := jonk.ToBytes()
1314
1315	rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1316
1317	if honk.Public {
1318		for _, h := range getdubs(user.ID) {
1319			if h.XID == user.URL {
1320				continue
1321			}
1322			var box *Box
1323			ok := boxofboxes.Get(h.XID, &box)
1324			if ok && box.Shared != "" {
1325				rcpts["%"+box.Shared] = true
1326			} else {
1327				rcpts[h.XID] = true
1328			}
1329		}
1330		for _, f := range getbacktracks(honk.XID) {
1331			rcpts[f] = true
1332		}
1333	}
1334	for a := range rcpts {
1335		go deliverate(0, user.ID, a, msg)
1336	}
1337	if honk.Public && len(honk.Onts) > 0 {
1338		collectiveaction(honk)
1339	}
1340}
1341
1342func collectiveaction(honk *Honk) {
1343	user := getserveruser()
1344	for _, ont := range honk.Onts {
1345		dubs := getnameddubs(serverUID, ont)
1346		if len(dubs) == 0 {
1347			continue
1348		}
1349		j := junk.New()
1350		j["@context"] = itiswhatitis
1351		j["type"] = "Add"
1352		j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1353		j["actor"] = user.URL
1354		j["object"] = honk.XID
1355		j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1356		rcpts := make(map[string]bool)
1357		for _, dub := range dubs {
1358			var box *Box
1359			ok := boxofboxes.Get(dub.XID, &box)
1360			if ok && box.Shared != "" {
1361				rcpts["%"+box.Shared] = true
1362			} else {
1363				rcpts[dub.XID] = true
1364			}
1365		}
1366		msg := j.ToBytes()
1367		for a := range rcpts {
1368			go deliverate(0, user.ID, a, msg)
1369		}
1370	}
1371}
1372
1373func junkuser(user *WhatAbout) junk.Junk {
1374	about := markitzero(user.About)
1375
1376	j := junk.New()
1377	j["@context"] = itiswhatitis
1378	j["id"] = user.URL
1379	j["inbox"] = user.URL + "/inbox"
1380	j["outbox"] = user.URL + "/outbox"
1381	j["name"] = user.Display
1382	j["preferredUsername"] = user.Name
1383	j["summary"] = about
1384	if user.ID > 0 {
1385		j["type"] = "Person"
1386		j["url"] = user.URL
1387		j["followers"] = user.URL + "/followers"
1388		j["following"] = user.URL + "/following"
1389		a := junk.New()
1390		a["type"] = "Image"
1391		a["mediaType"] = "image/png"
1392		if ava := user.Options.Avatar; ava != "" {
1393			a["url"] = ava
1394		} else {
1395			a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1396		}
1397		j["icon"] = a
1398	} else {
1399		j["type"] = "Service"
1400	}
1401	k := junk.New()
1402	k["id"] = user.URL + "#key"
1403	k["owner"] = user.URL
1404	k["publicKeyPem"] = user.Key
1405	j["publicKey"] = k
1406
1407	return j
1408}
1409
1410var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1411	user, err := butwhatabout(name)
1412	if err != nil {
1413		return nil, false
1414	}
1415	var buf bytes.Buffer
1416	j := junkuser(user)
1417	j.Write(&buf)
1418	return buf.Bytes(), true
1419}, Duration: 1 * time.Minute})
1420
1421func asjonker(name string) ([]byte, bool) {
1422	var j []byte
1423	ok := oldjonkers.Get(name, &j)
1424	return j, ok
1425}
1426
1427var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1428	m := strings.Split(name, "@")
1429	if len(m) != 2 {
1430		log.Printf("bad fish name: %s", name)
1431		return "", true
1432	}
1433	var href string
1434	row := stmtGetXonker.QueryRow(name, "fishname")
1435	err := row.Scan(&href)
1436	if err == nil {
1437		return href, true
1438	}
1439	log.Printf("fishing for %s", name)
1440	j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1441	if err != nil {
1442		log.Printf("failed to go fish %s: %s", name, err)
1443		return "", true
1444	}
1445	links, _ := j.GetArray("links")
1446	for _, li := range links {
1447		l, ok := li.(junk.Junk)
1448		if !ok {
1449			continue
1450		}
1451		href, _ := l.GetString("href")
1452		rel, _ := l.GetString("rel")
1453		t, _ := l.GetString("type")
1454		if rel == "self" && friendorfoe(t) {
1455			when := time.Now().UTC().Format(dbtimeformat)
1456			_, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1457			if err != nil {
1458				log.Printf("error saving fishname: %s", err)
1459			}
1460			return href, true
1461		}
1462	}
1463	return href, true
1464}, Duration: 1 * time.Minute})
1465
1466func gofish(name string) string {
1467	if name[0] == '@' {
1468		name = name[1:]
1469	}
1470	var href string
1471	handfull.Get(name, &href)
1472	return href
1473}
1474
1475func investigate(name string) (*SomeThing, error) {
1476	if name == "" {
1477		return nil, fmt.Errorf("no name")
1478	}
1479	if name[0] == '@' {
1480		name = gofish(name)
1481	}
1482	if name == "" {
1483		return nil, fmt.Errorf("no name")
1484	}
1485	obj, err := GetJunkFast(name)
1486	if err != nil {
1487		return nil, err
1488	}
1489	allinjest(originate(name), obj)
1490	return somethingabout(obj)
1491}
1492
1493func somethingabout(obj junk.Junk) (*SomeThing, error) {
1494	info := new(SomeThing)
1495	t, _ := obj.GetString("type")
1496	switch t {
1497	case "Person":
1498		fallthrough
1499	case "Organization":
1500		fallthrough
1501	case "Application":
1502		fallthrough
1503	case "Service":
1504		info.What = SomeActor
1505	case "OrderedCollection":
1506		fallthrough
1507	case "Collection":
1508		info.What = SomeCollection
1509	default:
1510		return nil, fmt.Errorf("unknown object type")
1511	}
1512	info.XID, _ = obj.GetString("id")
1513	info.Name, _ = obj.GetString("preferredUsername")
1514	if info.Name == "" {
1515		info.Name, _ = obj.GetString("name")
1516	}
1517	info.Owner, _ = obj.GetString("attributedTo")
1518	if info.Owner == "" {
1519		info.Owner = info.XID
1520	}
1521	return info, nil
1522}
1523
1524func allinjest(origin string, obj junk.Junk) {
1525	keyobj, ok := obj.GetMap("publicKey")
1526	if ok {
1527		ingestpubkey(origin, keyobj)
1528	}
1529	ingestboxes(origin, obj)
1530	ingesthandle(origin, obj)
1531}
1532
1533func ingestpubkey(origin string, obj junk.Junk) {
1534	keyobj, ok := obj.GetMap("publicKey")
1535	if ok {
1536		obj = keyobj
1537	}
1538	keyname, ok := obj.GetString("id")
1539	var data string
1540	row := stmtGetXonker.QueryRow(keyname, "pubkey")
1541	err := row.Scan(&data)
1542	if err == nil {
1543		return
1544	}
1545	if !ok || origin != originate(keyname) {
1546		log.Printf("bad key origin %s <> %s", origin, keyname)
1547		return
1548	}
1549	log.Printf("ingesting a needed pubkey: %s", keyname)
1550	owner, ok := obj.GetString("owner")
1551	if !ok {
1552		log.Printf("error finding %s pubkey owner", keyname)
1553		return
1554	}
1555	data, ok = obj.GetString("publicKeyPem")
1556	if !ok {
1557		log.Printf("error finding %s pubkey", keyname)
1558		return
1559	}
1560	if originate(owner) != origin {
1561		log.Printf("bad key owner: %s <> %s", owner, origin)
1562		return
1563	}
1564	_, _, err = httpsig.DecodeKey(data)
1565	if err != nil {
1566		log.Printf("error decoding %s pubkey: %s", keyname, err)
1567		return
1568	}
1569	when := time.Now().UTC().Format(dbtimeformat)
1570	_, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1571	if err != nil {
1572		log.Printf("error saving key: %s", err)
1573	}
1574}
1575
1576func ingestboxes(origin string, obj junk.Junk) {
1577	ident, _ := obj.GetString("id")
1578	if ident == "" {
1579		return
1580	}
1581	if originate(ident) != origin {
1582		return
1583	}
1584	var info string
1585	row := stmtGetXonker.QueryRow(ident, "boxes")
1586	err := row.Scan(&info)
1587	if err == nil {
1588		return
1589	}
1590	log.Printf("ingesting boxes: %s", ident)
1591	inbox, _ := obj.GetString("inbox")
1592	outbox, _ := obj.GetString("outbox")
1593	sbox, _ := obj.GetString("endpoints", "sharedInbox")
1594	if inbox != "" {
1595		when := time.Now().UTC().Format(dbtimeformat)
1596		m := strings.Join([]string{inbox, outbox, sbox}, " ")
1597		_, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1598		if err != nil {
1599			log.Printf("error saving boxes: %s", err)
1600		}
1601	}
1602}
1603
1604func ingesthandle(origin string, obj junk.Junk) {
1605	xid, _ := obj.GetString("id")
1606	if xid == "" {
1607		return
1608	}
1609	if originate(xid) != origin {
1610		return
1611	}
1612	var handle string
1613	row := stmtGetXonker.QueryRow(xid, "handle")
1614	err := row.Scan(&handle)
1615	if err == nil {
1616		return
1617	}
1618	handle, _ = obj.GetString("preferredUsername")
1619	if handle != "" {
1620		when := time.Now().UTC().Format(dbtimeformat)
1621		_, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1622		if err != nil {
1623			log.Printf("error saving handle: %s", err)
1624		}
1625	}
1626}
1627
1628func updateMe(username string) {
1629	var user *WhatAbout
1630	somenamedusers.Get(username, &user)
1631	dt := time.Now().UTC().Format(time.RFC3339)
1632	j := junk.New()
1633	j["@context"] = itiswhatitis
1634	j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1635	j["actor"] = user.URL
1636	j["published"] = dt
1637	j["to"] = []string{thewholeworld, user.URL + "/followers"}
1638	j["type"] = "Update"
1639	j["object"] = junkuser(user)
1640
1641	msg := j.ToBytes()
1642
1643	rcpts := make(map[string]bool)
1644	for _, f := range getdubs(user.ID) {
1645		if f.XID == user.URL {
1646			continue
1647		}
1648		var box *Box
1649		boxofboxes.Get(f.XID, &box)
1650		if box != nil && box.Shared != "" {
1651			rcpts["%"+box.Shared] = true
1652		} else {
1653			rcpts[f.XID] = true
1654		}
1655	}
1656	for a := range rcpts {
1657		go deliverate(0, user.ID, a, msg)
1658	}
1659}