all repos — honk @ 864217dd3c8150e3a34ec2adff241afe12b698b4

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			}
 906			savechonk(&ch)
 907			return nil
 908		}
 909
 910		if isUpdate {
 911			log.Printf("something has changed! %s", xonk.XID)
 912			prev := getxonk(user.ID, xonk.XID)
 913			if prev == nil {
 914				log.Printf("didn't find old version for update: %s", xonk.XID)
 915				isUpdate = false
 916			} else {
 917				xonk.ID = prev.ID
 918				updatehonk(&xonk)
 919			}
 920		}
 921		if !isUpdate && needxonk(user, &xonk) {
 922			if rid != "" {
 923				if needxonkid(user, rid) {
 924					goingup++
 925					saveonemore(rid)
 926					goingup--
 927				}
 928				if convoy == "" {
 929					xx := getxonk(user.ID, rid)
 930					if xx != nil {
 931						convoy = xx.Convoy
 932					}
 933				}
 934			}
 935			if convoy == "" {
 936				convoy = currenttid
 937			}
 938			if convoy == "" {
 939				convoy = "data:,missing-" + xfiltrate()
 940				currenttid = convoy
 941			}
 942			xonk.Convoy = convoy
 943			savexonk(&xonk)
 944		}
 945		if goingup == 0 {
 946			for _, replid := range replies {
 947				if needxonkid(user, replid) {
 948					log.Printf("missing a reply: %s", replid)
 949					saveonemore(replid)
 950				}
 951			}
 952		}
 953		return &xonk
 954	}
 955
 956	return xonkxonkfn(item, origin)
 957}
 958
 959func dumpactivity(item junk.Junk) {
 960	fd, err := os.OpenFile("savedinbox.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 961	if err != nil {
 962		log.Printf("error opening inbox! %s", err)
 963		return
 964	}
 965	defer fd.Close()
 966	item.Write(fd)
 967	io.WriteString(fd, "\n")
 968}
 969
 970func rubadubdub(user *WhatAbout, req junk.Junk) {
 971	xid, _ := req.GetString("id")
 972	actor, _ := req.GetString("actor")
 973	j := junk.New()
 974	j["@context"] = itiswhatitis
 975	j["id"] = user.URL + "/dub/" + url.QueryEscape(xid)
 976	j["type"] = "Accept"
 977	j["actor"] = user.URL
 978	j["to"] = actor
 979	j["published"] = time.Now().UTC().Format(time.RFC3339)
 980	j["object"] = req
 981
 982	deliverate(0, user.ID, actor, j.ToBytes())
 983}
 984
 985func itakeitallback(user *WhatAbout, xid string) {
 986	j := junk.New()
 987	j["@context"] = itiswhatitis
 988	j["id"] = user.URL + "/unsub/" + url.QueryEscape(xid)
 989	j["type"] = "Undo"
 990	j["actor"] = user.URL
 991	j["to"] = xid
 992	f := junk.New()
 993	f["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
 994	f["type"] = "Follow"
 995	f["actor"] = user.URL
 996	f["to"] = xid
 997	f["object"] = xid
 998	j["object"] = f
 999	j["published"] = time.Now().UTC().Format(time.RFC3339)
1000
1001	deliverate(0, user.ID, xid, j.ToBytes())
1002}
1003
1004func subsub(user *WhatAbout, xid string, owner string) {
1005	if xid == "" {
1006		log.Printf("can't subscribe to empty")
1007		return
1008	}
1009	j := junk.New()
1010	j["@context"] = itiswhatitis
1011	j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
1012	j["type"] = "Follow"
1013	j["actor"] = user.URL
1014	j["to"] = owner
1015	j["object"] = xid
1016	j["published"] = time.Now().UTC().Format(time.RFC3339)
1017
1018	deliverate(0, user.ID, owner, j.ToBytes())
1019}
1020
1021// returns activity, object
1022func jonkjonk(user *WhatAbout, h *Honk) (junk.Junk, junk.Junk) {
1023	dt := h.Date.Format(time.RFC3339)
1024	var jo junk.Junk
1025	j := junk.New()
1026	j["id"] = user.URL + "/" + h.What + "/" + shortxid(h.XID)
1027	j["actor"] = user.URL
1028	j["published"] = dt
1029	if h.Public {
1030		j["to"] = []string{h.Audience[0], user.URL + "/followers"}
1031	} else {
1032		j["to"] = h.Audience[0]
1033	}
1034	if len(h.Audience) > 1 {
1035		j["cc"] = h.Audience[1:]
1036	}
1037
1038	switch h.What {
1039	case "update":
1040		fallthrough
1041	case "tonk":
1042		fallthrough
1043	case "event":
1044		fallthrough
1045	case "honk":
1046		j["type"] = "Create"
1047		if h.What == "update" {
1048			j["type"] = "Update"
1049		}
1050
1051		jo = junk.New()
1052		jo["id"] = h.XID
1053		jo["type"] = "Note"
1054		if h.What == "event" {
1055			jo["type"] = "Event"
1056		}
1057		jo["published"] = dt
1058		jo["url"] = h.XID
1059		jo["attributedTo"] = user.URL
1060		if h.RID != "" {
1061			jo["inReplyTo"] = h.RID
1062		}
1063		if h.Convoy != "" {
1064			jo["context"] = h.Convoy
1065			jo["conversation"] = h.Convoy
1066		}
1067		jo["to"] = h.Audience[0]
1068		if len(h.Audience) > 1 {
1069			jo["cc"] = h.Audience[1:]
1070		}
1071		if !h.Public {
1072			jo["directMessage"] = true
1073		}
1074		var mentions []Mention
1075		if len(h.Mentions) > 0 {
1076			mentions = h.Mentions
1077		} else {
1078			mentions = bunchofgrapes(h.Noise)
1079		}
1080		translate(h)
1081		redoimages(h)
1082		if h.Precis != "" {
1083			jo["sensitive"] = true
1084		}
1085
1086		var replies []string
1087		for _, reply := range h.Replies {
1088			replies = append(replies, reply.XID)
1089		}
1090		if len(replies) > 0 {
1091			jr := junk.New()
1092			jr["type"] = "Collection"
1093			jr["totalItems"] = len(replies)
1094			jr["items"] = replies
1095			jo["replies"] = jr
1096		}
1097
1098		var tags []junk.Junk
1099		for _, m := range mentions {
1100			t := junk.New()
1101			t["type"] = "Mention"
1102			t["name"] = m.Who
1103			t["href"] = m.Where
1104			tags = append(tags, t)
1105		}
1106		for _, o := range h.Onts {
1107			t := junk.New()
1108			t["type"] = "Hashtag"
1109			o = strings.ToLower(o)
1110			t["href"] = fmt.Sprintf("https://%s/o/%s", serverName, o[1:])
1111			t["name"] = o
1112			tags = append(tags, t)
1113		}
1114		for _, e := range herdofemus(h.Noise) {
1115			t := junk.New()
1116			t["id"] = e.ID
1117			t["type"] = "Emoji"
1118			t["name"] = e.Name
1119			i := junk.New()
1120			i["type"] = "Image"
1121			i["mediaType"] = "image/png"
1122			i["url"] = e.ID
1123			t["icon"] = i
1124			tags = append(tags, t)
1125		}
1126		for _, e := range bloat_fixupflags(h) {
1127			t := junk.New()
1128			t["id"] = e.ID
1129			t["type"] = "Emoji"
1130			t["name"] = e.Name
1131			i := junk.New()
1132			i["type"] = "Image"
1133			i["mediaType"] = "image/png"
1134			i["url"] = e.ID
1135			t["icon"] = i
1136			tags = append(tags, t)
1137		}
1138		if len(tags) > 0 {
1139			jo["tag"] = tags
1140		}
1141		if p := h.Place; p != nil {
1142			t := junk.New()
1143			t["type"] = "Place"
1144			if p.Name != "" {
1145				t["name"] = p.Name
1146			}
1147			if p.Latitude != 0 {
1148				t["latitude"] = p.Latitude
1149			}
1150			if p.Longitude != 0 {
1151				t["longitude"] = p.Longitude
1152			}
1153			if p.Url != "" {
1154				t["url"] = p.Url
1155			}
1156			jo["location"] = t
1157		}
1158		if t := h.Time; t != nil {
1159			jo["startTime"] = t.StartTime.Format(time.RFC3339)
1160			if t.Duration != 0 {
1161				jo["duration"] = "PT" + strings.ToUpper(t.Duration.String())
1162			}
1163		}
1164		var atts []junk.Junk
1165		for _, d := range h.Donks {
1166			if re_emus.MatchString(d.Name) {
1167				continue
1168			}
1169			jd := junk.New()
1170			jd["mediaType"] = d.Media
1171			jd["name"] = d.Name
1172			jd["summary"] = html.EscapeString(d.Desc)
1173			jd["type"] = "Document"
1174			jd["url"] = d.URL
1175			atts = append(atts, jd)
1176		}
1177		if len(atts) > 0 {
1178			jo["attachment"] = atts
1179		}
1180		jo["summary"] = html.EscapeString(h.Precis)
1181		jo["content"] = h.Noise
1182		j["object"] = jo
1183	case "bonk":
1184		j["type"] = "Announce"
1185		if h.Convoy != "" {
1186			j["context"] = h.Convoy
1187		}
1188		j["object"] = h.XID
1189	case "unbonk":
1190		b := junk.New()
1191		b["id"] = user.URL + "/" + "bonk" + "/" + shortxid(h.XID)
1192		b["type"] = "Announce"
1193		b["actor"] = user.URL
1194		if h.Convoy != "" {
1195			b["context"] = h.Convoy
1196		}
1197		b["object"] = h.XID
1198		j["type"] = "Undo"
1199		j["object"] = b
1200	case "zonk":
1201		j["type"] = "Delete"
1202		j["object"] = h.XID
1203	case "ack":
1204		j["type"] = "Read"
1205		j["object"] = h.XID
1206		if h.Convoy != "" {
1207			j["context"] = h.Convoy
1208		}
1209	case "react":
1210		j["type"] = "EmojiReact"
1211		j["object"] = h.XID
1212		if h.Convoy != "" {
1213			j["context"] = h.Convoy
1214		}
1215		j["content"] = h.Noise
1216	case "deack":
1217		b := junk.New()
1218		b["id"] = user.URL + "/" + "ack" + "/" + shortxid(h.XID)
1219		b["type"] = "Read"
1220		b["actor"] = user.URL
1221		b["object"] = h.XID
1222		if h.Convoy != "" {
1223			b["context"] = h.Convoy
1224		}
1225		j["type"] = "Undo"
1226		j["object"] = b
1227	}
1228
1229	return j, jo
1230}
1231
1232var oldjonks = cache.New(cache.Options{Filler: func(xid string) ([]byte, bool) {
1233	row := stmtAnyXonk.QueryRow(xid)
1234	honk := scanhonk(row)
1235	if honk == nil || !honk.Public {
1236		return nil, true
1237	}
1238	user, _ := butwhatabout(honk.Username)
1239	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1240	reversehonks(rawhonks)
1241	for _, h := range rawhonks {
1242		if h.RID == honk.XID && h.Public && (h.Whofore == 2 || h.IsAcked()) {
1243			honk.Replies = append(honk.Replies, h)
1244		}
1245	}
1246	donksforhonks([]*Honk{honk})
1247	_, j := jonkjonk(user, honk)
1248	j["@context"] = itiswhatitis
1249
1250	return j.ToBytes(), true
1251}, Limit: 128})
1252
1253func gimmejonk(xid string) ([]byte, bool) {
1254	var j []byte
1255	ok := oldjonks.Get(xid, &j)
1256	return j, ok
1257}
1258
1259func boxuprcpts(user *WhatAbout, addresses []string, useshared bool) map[string]bool {
1260	rcpts := make(map[string]bool)
1261	for _, a := range addresses {
1262		if a == "" || a == thewholeworld || a == user.URL || strings.HasSuffix(a, "/followers") {
1263			continue
1264		}
1265		if a[0] == '%' {
1266			rcpts[a] = true
1267			continue
1268		}
1269		var box *Box
1270		ok := boxofboxes.Get(a, &box)
1271		if ok && useshared && box.Shared != "" {
1272			rcpts["%"+box.Shared] = true
1273		} else {
1274			rcpts[a] = true
1275		}
1276	}
1277	return rcpts
1278}
1279
1280func sendchonk(user *WhatAbout, ch *Chonk) {
1281	dt := ch.Date.Format(time.RFC3339)
1282	aud := []string{ch.Target}
1283
1284	jo := junk.New()
1285	jo["id"] = ch.XID
1286	jo["type"] = "ChatMessage"
1287	jo["published"] = dt
1288	jo["attributedTo"] = user.URL
1289	jo["to"] = aud
1290	jo["content"] = ch.Noise
1291
1292	j := junk.New()
1293	j["@context"] = itiswhatitis
1294	j["id"] = user.URL + "/" + "honk" + "/" + shortxid(ch.XID)
1295	j["type"] = "Create"
1296	j["actor"] = user.URL
1297	j["published"] = dt
1298	j["to"] = aud
1299	j["object"] = jo
1300
1301	msg := j.ToBytes()
1302	rcpts := make(map[string]bool)
1303	rcpts[ch.Target] = true
1304	for a := range rcpts {
1305		go deliverate(0, user.ID, a, msg)
1306	}
1307}
1308
1309func honkworldwide(user *WhatAbout, honk *Honk) {
1310	jonk, _ := jonkjonk(user, honk)
1311	jonk["@context"] = itiswhatitis
1312	msg := jonk.ToBytes()
1313
1314	rcpts := boxuprcpts(user, honk.Audience, honk.Public)
1315
1316	if honk.Public {
1317		for _, h := range getdubs(user.ID) {
1318			if h.XID == user.URL {
1319				continue
1320			}
1321			var box *Box
1322			ok := boxofboxes.Get(h.XID, &box)
1323			if ok && box.Shared != "" {
1324				rcpts["%"+box.Shared] = true
1325			} else {
1326				rcpts[h.XID] = true
1327			}
1328		}
1329		for _, f := range getbacktracks(honk.XID) {
1330			rcpts[f] = true
1331		}
1332	}
1333	for a := range rcpts {
1334		go deliverate(0, user.ID, a, msg)
1335	}
1336	if honk.Public && len(honk.Onts) > 0 {
1337		collectiveaction(honk)
1338	}
1339}
1340
1341func collectiveaction(honk *Honk) {
1342	user := getserveruser()
1343	for _, ont := range honk.Onts {
1344		dubs := getnameddubs(serverUID, ont)
1345		if len(dubs) == 0 {
1346			continue
1347		}
1348		j := junk.New()
1349		j["@context"] = itiswhatitis
1350		j["type"] = "Add"
1351		j["id"] = user.URL + "/add/" + shortxid(ont+honk.XID)
1352		j["actor"] = user.URL
1353		j["object"] = honk.XID
1354		j["target"] = fmt.Sprintf("https://%s/o/%s", serverName, ont[1:])
1355		rcpts := make(map[string]bool)
1356		for _, dub := range dubs {
1357			var box *Box
1358			ok := boxofboxes.Get(dub.XID, &box)
1359			if ok && box.Shared != "" {
1360				rcpts["%"+box.Shared] = true
1361			} else {
1362				rcpts[dub.XID] = true
1363			}
1364		}
1365		msg := j.ToBytes()
1366		for a := range rcpts {
1367			go deliverate(0, user.ID, a, msg)
1368		}
1369	}
1370}
1371
1372func junkuser(user *WhatAbout) junk.Junk {
1373	about := markitzero(user.About)
1374
1375	j := junk.New()
1376	j["@context"] = itiswhatitis
1377	j["id"] = user.URL
1378	j["inbox"] = user.URL + "/inbox"
1379	j["outbox"] = user.URL + "/outbox"
1380	j["name"] = user.Display
1381	j["preferredUsername"] = user.Name
1382	j["summary"] = about
1383	if user.ID > 0 {
1384		j["type"] = "Person"
1385		j["url"] = user.URL
1386		j["followers"] = user.URL + "/followers"
1387		j["following"] = user.URL + "/following"
1388		a := junk.New()
1389		a["type"] = "Image"
1390		a["mediaType"] = "image/png"
1391		if ava := user.Options.Avatar; ava != "" {
1392			a["url"] = ava
1393		} else {
1394			a["url"] = fmt.Sprintf("https://%s/a?a=%s", serverName, url.QueryEscape(user.URL))
1395		}
1396		j["icon"] = a
1397	} else {
1398		j["type"] = "Service"
1399	}
1400	k := junk.New()
1401	k["id"] = user.URL + "#key"
1402	k["owner"] = user.URL
1403	k["publicKeyPem"] = user.Key
1404	j["publicKey"] = k
1405
1406	return j
1407}
1408
1409var oldjonkers = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
1410	user, err := butwhatabout(name)
1411	if err != nil {
1412		return nil, false
1413	}
1414	var buf bytes.Buffer
1415	j := junkuser(user)
1416	j.Write(&buf)
1417	return buf.Bytes(), true
1418}, Duration: 1 * time.Minute})
1419
1420func asjonker(name string) ([]byte, bool) {
1421	var j []byte
1422	ok := oldjonkers.Get(name, &j)
1423	return j, ok
1424}
1425
1426var handfull = cache.New(cache.Options{Filler: func(name string) (string, bool) {
1427	m := strings.Split(name, "@")
1428	if len(m) != 2 {
1429		log.Printf("bad fish name: %s", name)
1430		return "", true
1431	}
1432	var href string
1433	row := stmtGetXonker.QueryRow(name, "fishname")
1434	err := row.Scan(&href)
1435	if err == nil {
1436		return href, true
1437	}
1438	log.Printf("fishing for %s", name)
1439	j, err := GetJunkFast(fmt.Sprintf("https://%s/.well-known/webfinger?resource=acct:%s", m[1], name))
1440	if err != nil {
1441		log.Printf("failed to go fish %s: %s", name, err)
1442		return "", true
1443	}
1444	links, _ := j.GetArray("links")
1445	for _, li := range links {
1446		l, ok := li.(junk.Junk)
1447		if !ok {
1448			continue
1449		}
1450		href, _ := l.GetString("href")
1451		rel, _ := l.GetString("rel")
1452		t, _ := l.GetString("type")
1453		if rel == "self" && friendorfoe(t) {
1454			when := time.Now().UTC().Format(dbtimeformat)
1455			_, err := stmtSaveXonker.Exec(name, href, "fishname", when)
1456			if err != nil {
1457				log.Printf("error saving fishname: %s", err)
1458			}
1459			return href, true
1460		}
1461	}
1462	return href, true
1463}, Duration: 1 * time.Minute})
1464
1465func gofish(name string) string {
1466	if name[0] == '@' {
1467		name = name[1:]
1468	}
1469	var href string
1470	handfull.Get(name, &href)
1471	return href
1472}
1473
1474func investigate(name string) (*SomeThing, error) {
1475	if name == "" {
1476		return nil, fmt.Errorf("no name")
1477	}
1478	if name[0] == '@' {
1479		name = gofish(name)
1480	}
1481	if name == "" {
1482		return nil, fmt.Errorf("no name")
1483	}
1484	obj, err := GetJunkFast(name)
1485	if err != nil {
1486		return nil, err
1487	}
1488	allinjest(originate(name), obj)
1489	return somethingabout(obj)
1490}
1491
1492func somethingabout(obj junk.Junk) (*SomeThing, error) {
1493	info := new(SomeThing)
1494	t, _ := obj.GetString("type")
1495	switch t {
1496	case "Person":
1497		fallthrough
1498	case "Organization":
1499		fallthrough
1500	case "Application":
1501		fallthrough
1502	case "Service":
1503		info.What = SomeActor
1504	case "OrderedCollection":
1505		fallthrough
1506	case "Collection":
1507		info.What = SomeCollection
1508	default:
1509		return nil, fmt.Errorf("unknown object type")
1510	}
1511	info.XID, _ = obj.GetString("id")
1512	info.Name, _ = obj.GetString("preferredUsername")
1513	if info.Name == "" {
1514		info.Name, _ = obj.GetString("name")
1515	}
1516	info.Owner, _ = obj.GetString("attributedTo")
1517	if info.Owner == "" {
1518		info.Owner = info.XID
1519	}
1520	return info, nil
1521}
1522
1523func allinjest(origin string, obj junk.Junk) {
1524	keyobj, ok := obj.GetMap("publicKey")
1525	if ok {
1526		ingestpubkey(origin, keyobj)
1527	}
1528	ingestboxes(origin, obj)
1529	ingesthandle(origin, obj)
1530}
1531
1532func ingestpubkey(origin string, obj junk.Junk) {
1533	keyobj, ok := obj.GetMap("publicKey")
1534	if ok {
1535		obj = keyobj
1536	}
1537	keyname, ok := obj.GetString("id")
1538	var data string
1539	row := stmtGetXonker.QueryRow(keyname, "pubkey")
1540	err := row.Scan(&data)
1541	if err == nil {
1542		return
1543	}
1544	if !ok || origin != originate(keyname) {
1545		log.Printf("bad key origin %s <> %s", origin, keyname)
1546		return
1547	}
1548	log.Printf("ingesting a needed pubkey: %s", keyname)
1549	owner, ok := obj.GetString("owner")
1550	if !ok {
1551		log.Printf("error finding %s pubkey owner", keyname)
1552		return
1553	}
1554	data, ok = obj.GetString("publicKeyPem")
1555	if !ok {
1556		log.Printf("error finding %s pubkey", keyname)
1557		return
1558	}
1559	if originate(owner) != origin {
1560		log.Printf("bad key owner: %s <> %s", owner, origin)
1561		return
1562	}
1563	_, _, err = httpsig.DecodeKey(data)
1564	if err != nil {
1565		log.Printf("error decoding %s pubkey: %s", keyname, err)
1566		return
1567	}
1568	when := time.Now().UTC().Format(dbtimeformat)
1569	_, err = stmtSaveXonker.Exec(keyname, data, "pubkey", when)
1570	if err != nil {
1571		log.Printf("error saving key: %s", err)
1572	}
1573}
1574
1575func ingestboxes(origin string, obj junk.Junk) {
1576	ident, _ := obj.GetString("id")
1577	if ident == "" {
1578		return
1579	}
1580	if originate(ident) != origin {
1581		return
1582	}
1583	var info string
1584	row := stmtGetXonker.QueryRow(ident, "boxes")
1585	err := row.Scan(&info)
1586	if err == nil {
1587		return
1588	}
1589	log.Printf("ingesting boxes: %s", ident)
1590	inbox, _ := obj.GetString("inbox")
1591	outbox, _ := obj.GetString("outbox")
1592	sbox, _ := obj.GetString("endpoints", "sharedInbox")
1593	if inbox != "" {
1594		when := time.Now().UTC().Format(dbtimeformat)
1595		m := strings.Join([]string{inbox, outbox, sbox}, " ")
1596		_, err = stmtSaveXonker.Exec(ident, m, "boxes", when)
1597		if err != nil {
1598			log.Printf("error saving boxes: %s", err)
1599		}
1600	}
1601}
1602
1603func ingesthandle(origin string, obj junk.Junk) {
1604	xid, _ := obj.GetString("id")
1605	if xid == "" {
1606		return
1607	}
1608	if originate(xid) != origin {
1609		return
1610	}
1611	var handle string
1612	row := stmtGetXonker.QueryRow(xid, "handle")
1613	err := row.Scan(&handle)
1614	if err == nil {
1615		return
1616	}
1617	handle, _ = obj.GetString("preferredUsername")
1618	if handle != "" {
1619		when := time.Now().UTC().Format(dbtimeformat)
1620		_, err = stmtSaveXonker.Exec(xid, handle, "handle", when)
1621		if err != nil {
1622			log.Printf("error saving handle: %s", err)
1623		}
1624	}
1625}
1626
1627func updateMe(username string) {
1628	var user *WhatAbout
1629	somenamedusers.Get(username, &user)
1630	dt := time.Now().UTC().Format(time.RFC3339)
1631	j := junk.New()
1632	j["@context"] = itiswhatitis
1633	j["id"] = fmt.Sprintf("%s/upme/%s/%d", user.URL, user.Name, time.Now().Unix())
1634	j["actor"] = user.URL
1635	j["published"] = dt
1636	j["to"] = []string{thewholeworld, user.URL + "/followers"}
1637	j["type"] = "Update"
1638	j["object"] = junkuser(user)
1639
1640	msg := j.ToBytes()
1641
1642	rcpts := make(map[string]bool)
1643	for _, f := range getdubs(user.ID) {
1644		if f.XID == user.URL {
1645			continue
1646		}
1647		var box *Box
1648		boxofboxes.Get(f.XID, &box)
1649		if box != nil && box.Shared != "" {
1650			rcpts["%"+box.Shared] = true
1651		} else {
1652			rcpts[f.XID] = true
1653		}
1654	}
1655	for a := range rcpts {
1656		go deliverate(0, user.ID, a, msg)
1657	}
1658}