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	"database/sql"
  21	"fmt"
  22	"html/template"
  23	"io"
  24	notrand "math/rand"
  25	"net/http"
  26	"net/url"
  27	"os"
  28	"os/signal"
  29	"regexp"
  30	"sort"
  31	"strconv"
  32	"strings"
  33	"syscall"
  34	"time"
  35	"unicode/utf8"
  36
  37	"github.com/gorilla/mux"
  38	"humungus.tedunangst.com/r/webs/cache"
  39	"humungus.tedunangst.com/r/webs/httpsig"
  40	"humungus.tedunangst.com/r/webs/junk"
  41	"humungus.tedunangst.com/r/webs/login"
  42	"humungus.tedunangst.com/r/webs/rss"
  43	"humungus.tedunangst.com/r/webs/templates"
  44)
  45
  46var readviews *templates.Template
  47
  48var userSep = "u"
  49var honkSep = "h"
  50
  51var develMode = false
  52
  53var allemus []Emu
  54
  55func getuserstyle(u *login.UserInfo) template.HTMLAttr {
  56	if u == nil {
  57		return ""
  58	}
  59	user, _ := butwhatabout(u.Username)
  60	class := template.HTMLAttr("")
  61	if user.Options.SkinnyCSS {
  62		class += `class="skinny"`
  63	}
  64	return class
  65}
  66
  67func getmaplink(u *login.UserInfo) string {
  68	if u == nil {
  69		return "osm"
  70	}
  71	user, _ := butwhatabout(u.Username)
  72	ml := user.Options.MapLink
  73	if ml == "" {
  74		ml = "osm"
  75	}
  76	return ml
  77}
  78
  79func getInfo(r *http.Request) map[string]interface{} {
  80	templinfo := make(map[string]interface{})
  81	templinfo["StyleParam"] = getassetparam(viewDir + "/views/style.css")
  82	templinfo["LocalStyleParam"] = getassetparam(dataDir + "/views/local.css")
  83	templinfo["JSParam"] = getassetparam(viewDir + "/views/honkpage.js")
  84	templinfo["LocalJSParam"] = getassetparam(dataDir + "/views/local.js")
  85	templinfo["MiscJSParam"] = getassetparam(dataDir + "/views/misc.js")
  86	templinfo["ServerName"] = serverName
  87	templinfo["IconName"] = iconName
  88	templinfo["UserSep"] = userSep
  89	if u := login.GetUserInfo(r); u != nil {
  90		templinfo["UserInfo"], _ = butwhatabout(u.Username)
  91		templinfo["UserStyle"] = getuserstyle(u)
  92		var combos []string
  93		combocache.Get(u.UserID, &combos)
  94		templinfo["Combos"] = combos
  95	}
  96	return templinfo
  97}
  98
  99func homepage(w http.ResponseWriter, r *http.Request) {
 100	templinfo := getInfo(r)
 101	u := login.GetUserInfo(r)
 102	var honks []*Honk
 103	var userid int64 = -1
 104
 105	templinfo["ServerMessage"] = serverMsg
 106	if u == nil || r.URL.Path == "/front" {
 107		switch r.URL.Path {
 108		case "/events":
 109			honks = geteventhonks(userid)
 110			templinfo["ServerMessage"] = "some recent and upcoming events"
 111		default:
 112			templinfo["ShowRSS"] = true
 113			honks = getpublichonks()
 114		}
 115	} else {
 116		userid = u.UserID
 117		switch r.URL.Path {
 118		case "/atme":
 119			templinfo["ServerMessage"] = "at me!"
 120			templinfo["PageName"] = "atme"
 121			honks = gethonksforme(userid, 0)
 122			honks = osmosis(honks, userid, false)
 123			menewnone(userid)
 124			templinfo["UserInfo"], _ = butwhatabout(u.Username)
 125		case "/longago":
 126			templinfo["ServerMessage"] = "long ago and far away!"
 127			templinfo["PageName"] = "longago"
 128			honks = gethonksfromlongago(userid, 0)
 129			honks = osmosis(honks, userid, false)
 130		case "/events":
 131			templinfo["ServerMessage"] = "some recent and upcoming events"
 132			templinfo["PageName"] = "events"
 133			honks = geteventhonks(userid)
 134			honks = osmosis(honks, userid, true)
 135		case "/first":
 136			templinfo["PageName"] = "first"
 137			honks = gethonksforuserfirstclass(userid, 0)
 138			honks = osmosis(honks, userid, true)
 139		case "/saved":
 140			templinfo["ServerMessage"] = "saved honks"
 141			templinfo["PageName"] = "saved"
 142			honks = getsavedhonks(userid, 0)
 143		default:
 144			templinfo["PageName"] = "home"
 145			honks = gethonksforuser(userid, 0)
 146			honks = osmosis(honks, userid, true)
 147		}
 148		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 149	}
 150
 151	honkpage(w, u, honks, templinfo)
 152}
 153
 154func showemus(w http.ResponseWriter, r *http.Request) {
 155	templinfo := getInfo(r)
 156	templinfo["Emus"] = allemus
 157	err := readviews.Execute(w, "emus.html", templinfo)
 158	if err != nil {
 159		elog.Print(err)
 160	}
 161}
 162
 163func showfunzone(w http.ResponseWriter, r *http.Request) {
 164	var emunames, memenames []string
 165	emuext := make(map[string]string)
 166	dir, err := os.Open(dataDir + "/emus")
 167	if err == nil {
 168		emunames, _ = dir.Readdirnames(0)
 169		dir.Close()
 170	}
 171	for i, e := range emunames {
 172		if len(e) > 4 {
 173			emunames[i] = e[:len(e)-4]
 174			emuext[emunames[i]] = e[len(e)-4:]
 175		}
 176	}
 177	dir, err = os.Open(dataDir + "/memes")
 178	if err == nil {
 179		memenames, _ = dir.Readdirnames(0)
 180		dir.Close()
 181	}
 182	sort.Strings(emunames)
 183	sort.Strings(memenames)
 184	templinfo := getInfo(r)
 185	templinfo["Emus"] = emunames
 186	templinfo["Emuext"] = emuext
 187	templinfo["Memes"] = memenames
 188	err = readviews.Execute(w, "funzone.html", templinfo)
 189	if err != nil {
 190		elog.Print(err)
 191	}
 192}
 193
 194func showrss(w http.ResponseWriter, r *http.Request) {
 195	name := mux.Vars(r)["name"]
 196
 197	var honks []*Honk
 198	if name != "" {
 199		honks = gethonksbyuser(name, false, 0)
 200	} else {
 201		honks = getpublichonks()
 202	}
 203	reverbolate(-1, honks)
 204
 205	home := fmt.Sprintf("https://%s/", serverName)
 206	base := home
 207	if name != "" {
 208		home += "u/" + name
 209		name += " "
 210	}
 211	feed := rss.Feed{
 212		Title:       name + "honk",
 213		Link:        home,
 214		Description: name + "honk rss",
 215		Image: &rss.Image{
 216			URL:   base + "icon.png",
 217			Title: name + "honk rss",
 218			Link:  home,
 219		},
 220	}
 221	var modtime time.Time
 222	for _, honk := range honks {
 223		if !firstclass(honk) {
 224			continue
 225		}
 226		desc := string(honk.HTML)
 227		if t := honk.Time; t != nil {
 228			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 229			if t.Duration != 0 {
 230				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 231			}
 232		}
 233		if p := honk.Place; p != nil {
 234			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 235				p.Url, p.Name, p.Latitude, p.Longitude))
 236		}
 237		for _, d := range honk.Donks {
 238			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 239				d.URL, d.Desc))
 240			if strings.HasPrefix(d.Media, "image") {
 241				desc += string(templates.Sprintf(`<img src="%s">`, d.URL))
 242			}
 243		}
 244
 245		feed.Items = append(feed.Items, &rss.Item{
 246			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 247			Description: rss.CData{Data: desc},
 248			Link:        honk.URL,
 249			PubDate:     honk.Date.Format(time.RFC1123),
 250			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 251		})
 252		if honk.Date.After(modtime) {
 253			modtime = honk.Date
 254		}
 255	}
 256	if !develMode {
 257		w.Header().Set("Cache-Control", "max-age=300")
 258		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 259	}
 260
 261	err := feed.Write(w)
 262	if err != nil {
 263		elog.Printf("error writing rss: %s", err)
 264	}
 265}
 266
 267func crappola(j junk.Junk) bool {
 268	t, _ := j.GetString("type")
 269	a, _ := j.GetString("actor")
 270	o, _ := j.GetString("object")
 271	if t == "Delete" && a == o {
 272		dlog.Printf("crappola from %s", a)
 273		return true
 274	}
 275	return false
 276}
 277
 278func ping(user *WhatAbout, who string) {
 279	if targ := fullname(who, user.ID); targ != "" {
 280		who = targ
 281	}
 282	if !strings.HasPrefix(who, "https:") {
 283		who = gofish(who)
 284	}
 285	if who == "" {
 286		ilog.Printf("nobody to ping!")
 287		return
 288	}
 289	var box *Box
 290	ok := boxofboxes.Get(who, &box)
 291	if !ok {
 292		ilog.Printf("no inbox to ping %s", who)
 293		return
 294	}
 295	ilog.Printf("sending ping to %s", box.In)
 296	j := junk.New()
 297	j["@context"] = itiswhatitis
 298	j["type"] = "Ping"
 299	j["id"] = user.URL + "/ping/" + xfiltrate()
 300	j["actor"] = user.URL
 301	j["to"] = who
 302	ki := ziggy(user.ID)
 303	if ki == nil {
 304		return
 305	}
 306	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 307	if err != nil {
 308		elog.Printf("can't send ping: %s", err)
 309		return
 310	}
 311	ilog.Printf("sent ping to %s: %s", who, j["id"])
 312}
 313
 314func pong(user *WhatAbout, who string, obj string) {
 315	var box *Box
 316	ok := boxofboxes.Get(who, &box)
 317	if !ok {
 318		ilog.Printf("no inbox to pong %s", who)
 319		return
 320	}
 321	j := junk.New()
 322	j["@context"] = itiswhatitis
 323	j["type"] = "Pong"
 324	j["id"] = user.URL + "/pong/" + xfiltrate()
 325	j["actor"] = user.URL
 326	j["to"] = who
 327	j["object"] = obj
 328	ki := ziggy(user.ID)
 329	if ki == nil {
 330		return
 331	}
 332	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 333	if err != nil {
 334		elog.Printf("can't send pong: %s", err)
 335		return
 336	}
 337}
 338
 339func inbox(w http.ResponseWriter, r *http.Request) {
 340	name := mux.Vars(r)["name"]
 341	user, err := butwhatabout(name)
 342	if err != nil {
 343		http.NotFound(w, r)
 344		return
 345	}
 346	if stealthmode(user.ID, r) {
 347		http.NotFound(w, r)
 348		return
 349	}
 350	var buf bytes.Buffer
 351	limiter := io.LimitReader(r.Body, 1*1024*1024)
 352	io.Copy(&buf, limiter)
 353	payload := buf.Bytes()
 354	j, err := junk.FromBytes(payload)
 355	if err != nil {
 356		ilog.Printf("bad payload: %s", err)
 357		ilog.Writer().Write(payload)
 358		ilog.Writer().Write([]byte{'\n'})
 359		return
 360	}
 361
 362	if crappola(j) {
 363		return
 364	}
 365	what, _ := j.GetString("type")
 366	obj, _ := j.GetString("object")
 367	if what == "Like" || (what == "EmojiReact" && originate(obj) != serverName) {
 368		return
 369	}
 370	who, _ := j.GetString("actor")
 371	if rejectactor(user.ID, who) {
 372		return
 373	}
 374
 375	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 376	if err != nil && keyname != "" {
 377		savingthrow(keyname)
 378		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 379	}
 380	if err != nil {
 381		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 382		if keyname != "" {
 383			ilog.Printf("bad signature from %s", keyname)
 384		}
 385		http.Error(w, "what did you call me?", http.StatusTeapot)
 386		return
 387	}
 388	origin := keymatch(keyname, who)
 389	if origin == "" {
 390		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 391		return
 392	}
 393
 394	switch what {
 395	case "Ping":
 396		id, _ := j.GetString("id")
 397		ilog.Printf("ping from %s: %s", who, id)
 398		pong(user, who, id)
 399	case "Pong":
 400		ilog.Printf("pong from %s: %s", who, obj)
 401	case "Follow":
 402		if obj != user.URL {
 403			ilog.Printf("can't follow %s", obj)
 404			return
 405		}
 406		followme(user, who, who, j)
 407	case "Accept":
 408		followyou2(user, j)
 409	case "Reject":
 410		nofollowyou2(user, j)
 411	case "Update":
 412		obj, ok := j.GetMap("object")
 413		if ok {
 414			what, _ := obj.GetString("type")
 415			switch what {
 416			case "Service":
 417				fallthrough
 418			case "Person":
 419				return
 420			case "Question":
 421				return
 422			}
 423		}
 424		go xonksaver(user, j, origin)
 425	case "Undo":
 426		obj, ok := j.GetMap("object")
 427		if !ok {
 428			folxid, ok := j.GetString("object")
 429			if ok && originate(folxid) == origin {
 430				unfollowme(user, "", "", j)
 431			}
 432			return
 433		}
 434		what, _ := obj.GetString("type")
 435		switch what {
 436		case "Follow":
 437			unfollowme(user, who, who, j)
 438		case "Announce":
 439			xid, _ := obj.GetString("object")
 440			dlog.Printf("undo announce: %s", xid)
 441		case "Like":
 442		default:
 443			ilog.Printf("unknown undo: %s", what)
 444		}
 445	case "EmojiReact":
 446		obj, ok := j.GetString("object")
 447		if ok {
 448			content, _ := j.GetString("content")
 449			addreaction(user, obj, who, content)
 450		}
 451	default:
 452		go xonksaver(user, j, origin)
 453	}
 454}
 455
 456func serverinbox(w http.ResponseWriter, r *http.Request) {
 457	user := getserveruser()
 458	if stealthmode(user.ID, r) {
 459		http.NotFound(w, r)
 460		return
 461	}
 462	var buf bytes.Buffer
 463	io.Copy(&buf, r.Body)
 464	payload := buf.Bytes()
 465	j, err := junk.FromBytes(payload)
 466	if err != nil {
 467		ilog.Printf("bad payload: %s", err)
 468		ilog.Writer().Write(payload)
 469		ilog.Writer().Write([]byte{'\n'})
 470		return
 471	}
 472	if crappola(j) {
 473		return
 474	}
 475	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 476	if err != nil && keyname != "" {
 477		savingthrow(keyname)
 478		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 479	}
 480	if err != nil {
 481		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 482		if keyname != "" {
 483			ilog.Printf("bad signature from %s", keyname)
 484		}
 485		http.Error(w, "what did you call me?", http.StatusTeapot)
 486		return
 487	}
 488	who, _ := j.GetString("actor")
 489	origin := keymatch(keyname, who)
 490	if origin == "" {
 491		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 492		return
 493	}
 494	if rejectactor(user.ID, who) {
 495		return
 496	}
 497	re_ont := regexp.MustCompile("https://" + serverName + "/o/([\\pL[:digit:]]+)")
 498	what, _ := j.GetString("type")
 499	dlog.Printf("server got a %s", what)
 500	switch what {
 501	case "Follow":
 502		obj, _ := j.GetString("object")
 503		if obj == user.URL {
 504			ilog.Printf("can't follow the server!")
 505			return
 506		}
 507		m := re_ont.FindStringSubmatch(obj)
 508		if len(m) != 2 {
 509			ilog.Printf("not sure how to handle this")
 510			return
 511		}
 512		ont := "#" + m[1]
 513
 514		followme(user, who, ont, j)
 515	case "Undo":
 516		obj, ok := j.GetMap("object")
 517		if !ok {
 518			ilog.Printf("unknown undo no object")
 519			return
 520		}
 521		what, _ := obj.GetString("type")
 522		if what != "Follow" {
 523			ilog.Printf("unknown undo: %s", what)
 524			return
 525		}
 526		targ, _ := obj.GetString("object")
 527		m := re_ont.FindStringSubmatch(targ)
 528		if len(m) != 2 {
 529			ilog.Printf("not sure how to handle this")
 530			return
 531		}
 532		ont := "#" + m[1]
 533		unfollowme(user, who, ont, j)
 534	default:
 535		ilog.Printf("unhandled server activity: %s", what)
 536		dumpactivity(j)
 537	}
 538}
 539
 540func serveractor(w http.ResponseWriter, r *http.Request) {
 541	user := getserveruser()
 542	if stealthmode(user.ID, r) {
 543		http.NotFound(w, r)
 544		return
 545	}
 546	j := junkuser(user)
 547	j.Write(w)
 548}
 549
 550func ximport(w http.ResponseWriter, r *http.Request) {
 551	u := login.GetUserInfo(r)
 552	xid := strings.TrimSpace(r.FormValue("q"))
 553	xonk := getxonk(u.UserID, xid)
 554	if xonk == nil {
 555		p, _ := investigate(xid)
 556		if p != nil {
 557			xid = p.XID
 558		}
 559		j, err := GetJunk(u.UserID, xid)
 560		if err != nil {
 561			http.Error(w, "error getting external object", http.StatusInternalServerError)
 562			ilog.Printf("error getting external object: %s", err)
 563			return
 564		}
 565		allinjest(originate(xid), j)
 566		dlog.Printf("importing %s", xid)
 567		user, _ := butwhatabout(u.Username)
 568
 569		info, _ := somethingabout(j)
 570		if info == nil {
 571			xonk = xonksaver(user, j, originate(xid))
 572		} else if info.What == SomeActor {
 573			outbox, _ := j.GetString("outbox")
 574			gimmexonks(user, outbox)
 575			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 576			return
 577		} else if info.What == SomeCollection {
 578			gimmexonks(user, xid)
 579			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 580			return
 581		}
 582	}
 583	convoy := ""
 584	if xonk != nil {
 585		convoy = xonk.Convoy
 586	}
 587	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 588}
 589
 590func xzone(w http.ResponseWriter, r *http.Request) {
 591	u := login.GetUserInfo(r)
 592	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 593	if err != nil {
 594		elog.Printf("query err: %s", err)
 595		return
 596	}
 597	defer rows.Close()
 598	var honkers []Honker
 599	for rows.Next() {
 600		var xid string
 601		rows.Scan(&xid)
 602		honkers = append(honkers, Honker{XID: xid})
 603	}
 604	rows.Close()
 605	for i, _ := range honkers {
 606		_, honkers[i].Handle = handles(honkers[i].XID)
 607	}
 608	templinfo := getInfo(r)
 609	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 610	templinfo["Honkers"] = honkers
 611	err = readviews.Execute(w, "xzone.html", templinfo)
 612	if err != nil {
 613		elog.Print(err)
 614	}
 615}
 616
 617var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 618	user, err := butwhatabout(name)
 619	if err != nil {
 620		return nil, false
 621	}
 622	honks := gethonksbyuser(name, false, 0)
 623	if len(honks) > 20 {
 624		honks = honks[0:20]
 625	}
 626
 627	var jonks []junk.Junk
 628	for _, h := range honks {
 629		j, _ := jonkjonk(user, h)
 630		jonks = append(jonks, j)
 631	}
 632
 633	j := junk.New()
 634	j["@context"] = itiswhatitis
 635	j["id"] = user.URL + "/outbox"
 636	j["attributedTo"] = user.URL
 637	j["type"] = "OrderedCollection"
 638	j["totalItems"] = len(jonks)
 639	j["orderedItems"] = jonks
 640
 641	return j.ToBytes(), true
 642}, Duration: 1 * time.Minute})
 643
 644func outbox(w http.ResponseWriter, r *http.Request) {
 645	name := mux.Vars(r)["name"]
 646	user, err := butwhatabout(name)
 647	if err != nil {
 648		http.NotFound(w, r)
 649		return
 650	}
 651	if stealthmode(user.ID, r) {
 652		http.NotFound(w, r)
 653		return
 654	}
 655	var j []byte
 656	ok := oldoutbox.Get(name, &j)
 657	if ok {
 658		w.Header().Set("Content-Type", theonetruename)
 659		w.Write(j)
 660	} else {
 661		http.NotFound(w, r)
 662	}
 663}
 664
 665var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 666	colname := "/followers"
 667	if strings.HasSuffix(url, "/following") {
 668		colname = "/following"
 669	}
 670	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 671	j := junk.New()
 672	j["@context"] = itiswhatitis
 673	j["id"] = user + colname
 674	j["attributedTo"] = user
 675	j["type"] = "OrderedCollection"
 676	j["totalItems"] = 0
 677	j["orderedItems"] = []junk.Junk{}
 678
 679	return j.ToBytes(), true
 680}})
 681
 682func emptiness(w http.ResponseWriter, r *http.Request) {
 683	name := mux.Vars(r)["name"]
 684	user, err := butwhatabout(name)
 685	if err != nil {
 686		http.NotFound(w, r)
 687		return
 688	}
 689	if stealthmode(user.ID, r) {
 690		http.NotFound(w, r)
 691		return
 692	}
 693	var j []byte
 694	ok := oldempties.Get(r.URL.Path, &j)
 695	if ok {
 696		w.Header().Set("Content-Type", theonetruename)
 697		w.Write(j)
 698	} else {
 699		http.NotFound(w, r)
 700	}
 701}
 702
 703func showuser(w http.ResponseWriter, r *http.Request) {
 704	name := mux.Vars(r)["name"]
 705	user, err := butwhatabout(name)
 706	if err != nil {
 707		ilog.Printf("user not found %s: %s", name, err)
 708		http.NotFound(w, r)
 709		return
 710	}
 711	if stealthmode(user.ID, r) {
 712		http.NotFound(w, r)
 713		return
 714	}
 715	if friendorfoe(r.Header.Get("Accept")) {
 716		j, ok := asjonker(name)
 717		if ok {
 718			w.Header().Set("Content-Type", theonetruename)
 719			w.Write(j)
 720		} else {
 721			http.NotFound(w, r)
 722		}
 723		return
 724	}
 725	u := login.GetUserInfo(r)
 726	honks := gethonksbyuser(name, u != nil && u.Username == name, 0)
 727	templinfo := getInfo(r)
 728	templinfo["PageName"] = "user"
 729	templinfo["PageArg"] = name
 730	templinfo["Name"] = user.Name
 731	templinfo["WhatAbout"] = user.HTAbout
 732	templinfo["ServerMessage"] = ""
 733	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 734	honkpage(w, u, honks, templinfo)
 735}
 736
 737func showhonker(w http.ResponseWriter, r *http.Request) {
 738	u := login.GetUserInfo(r)
 739	name := mux.Vars(r)["name"]
 740	var honks []*Honk
 741	if name == "" {
 742		name = r.FormValue("xid")
 743		honks = gethonksbyxonker(u.UserID, name, 0)
 744	} else {
 745		honks = gethonksbyhonker(u.UserID, name, 0)
 746	}
 747	miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
 748<input type="hidden" name="CSRF" value="%s">
 749<input type="hidden" name="url" value="%s">
 750<button tabindex=1 name="add honker" value="add honker">add honker</button>
 751</form>`, login.GetCSRF("submithonker", r), name)
 752	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, name, name, miniform)
 753	templinfo := getInfo(r)
 754	templinfo["PageName"] = "honker"
 755	templinfo["PageArg"] = name
 756	templinfo["ServerMessage"] = msg
 757	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 758	honkpage(w, u, honks, templinfo)
 759}
 760
 761func showcombo(w http.ResponseWriter, r *http.Request) {
 762	name := mux.Vars(r)["name"]
 763	u := login.GetUserInfo(r)
 764	honks := gethonksbycombo(u.UserID, name, 0)
 765	honks = osmosis(honks, u.UserID, true)
 766	templinfo := getInfo(r)
 767	templinfo["PageName"] = "combo"
 768	templinfo["PageArg"] = name
 769	templinfo["ServerMessage"] = "honks by combo: " + name
 770	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 771	honkpage(w, u, honks, templinfo)
 772}
 773func showconvoy(w http.ResponseWriter, r *http.Request) {
 774	c := r.FormValue("c")
 775	u := login.GetUserInfo(r)
 776	honks := gethonksbyconvoy(u.UserID, c, 0)
 777	templinfo := getInfo(r)
 778	if len(honks) > 0 {
 779		templinfo["TopHID"] = honks[0].ID
 780	}
 781	honks = osmosis(honks, u.UserID, false)
 782	//reversehonks(honks)
 783	honks = threadsort(honks)
 784	templinfo["PageName"] = "convoy"
 785	templinfo["PageArg"] = c
 786	templinfo["ServerMessage"] = "honks in convoy: " + c
 787	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 788	honkpage(w, u, honks, templinfo)
 789}
 790func showsearch(w http.ResponseWriter, r *http.Request) {
 791	q := r.FormValue("q")
 792	if strings.HasPrefix(q, "https://") {
 793		ximport(w, r)
 794		return
 795	}
 796	u := login.GetUserInfo(r)
 797	honks := gethonksbysearch(u.UserID, q, 0)
 798	templinfo := getInfo(r)
 799	templinfo["PageName"] = "search"
 800	templinfo["PageArg"] = q
 801	templinfo["ServerMessage"] = "honks for search: " + q
 802	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 803	honkpage(w, u, honks, templinfo)
 804}
 805func showontology(w http.ResponseWriter, r *http.Request) {
 806	name := mux.Vars(r)["name"]
 807	u := login.GetUserInfo(r)
 808	var userid int64 = -1
 809	if u != nil {
 810		userid = u.UserID
 811	}
 812	honks := gethonksbyontology(userid, "#"+name, 0)
 813	if friendorfoe(r.Header.Get("Accept")) {
 814		if len(honks) > 40 {
 815			honks = honks[0:40]
 816		}
 817
 818		var xids []string
 819		for _, h := range honks {
 820			xids = append(xids, h.XID)
 821		}
 822
 823		user := getserveruser()
 824
 825		j := junk.New()
 826		j["@context"] = itiswhatitis
 827		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 828		j["name"] = "#" + name
 829		j["attributedTo"] = user.URL
 830		j["type"] = "OrderedCollection"
 831		j["totalItems"] = len(xids)
 832		j["orderedItems"] = xids
 833
 834		j.Write(w)
 835		return
 836	}
 837
 838	templinfo := getInfo(r)
 839	templinfo["ServerMessage"] = "honks by ontology: " + name
 840	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 841	honkpage(w, u, honks, templinfo)
 842}
 843
 844type Ont struct {
 845	Name  string
 846	Count int64
 847}
 848
 849func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 850	u := login.GetUserInfo(r)
 851	var userid int64 = -1
 852	if u != nil {
 853		userid = u.UserID
 854	}
 855	rows, err := stmtAllOnts.Query(userid)
 856	if err != nil {
 857		elog.Printf("selection error: %s", err)
 858		return
 859	}
 860	defer rows.Close()
 861	var onts []Ont
 862	for rows.Next() {
 863		var o Ont
 864		err := rows.Scan(&o.Name, &o.Count)
 865		if err != nil {
 866			elog.Printf("error scanning ont: %s", err)
 867			continue
 868		}
 869		if utf8.RuneCountInString(o.Name) > 24 {
 870			continue
 871		}
 872		o.Name = o.Name[1:]
 873		onts = append(onts, o)
 874	}
 875	sort.Slice(onts, func(i, j int) bool {
 876		return onts[i].Name < onts[j].Name
 877	})
 878	if u == nil && !develMode {
 879		w.Header().Set("Cache-Control", "max-age=300")
 880	}
 881	templinfo := getInfo(r)
 882	templinfo["Onts"] = onts
 883	templinfo["FirstRune"] = func(s string) rune { r, _ := utf8.DecodeRuneInString(s); return r }
 884	err = readviews.Execute(w, "onts.html", templinfo)
 885	if err != nil {
 886		elog.Print(err)
 887	}
 888}
 889
 890type Track struct {
 891	xid string
 892	who string
 893}
 894
 895func getbacktracks(xid string) []string {
 896	c := make(chan bool)
 897	dumptracks <- c
 898	<-c
 899	row := stmtGetTracks.QueryRow(xid)
 900	var rawtracks string
 901	err := row.Scan(&rawtracks)
 902	if err != nil {
 903		if err != sql.ErrNoRows {
 904			elog.Printf("error scanning tracks: %s", err)
 905		}
 906		return nil
 907	}
 908	var rcpts []string
 909	for _, f := range strings.Split(rawtracks, " ") {
 910		idx := strings.LastIndexByte(f, '#')
 911		if idx != -1 {
 912			f = f[:idx]
 913		}
 914		if !strings.HasPrefix(f, "https://") {
 915			f = fmt.Sprintf("%%https://%s/inbox", f)
 916		}
 917		rcpts = append(rcpts, f)
 918	}
 919	return rcpts
 920}
 921
 922func savetracks(tracks map[string][]string) {
 923	db := opendatabase()
 924	tx, err := db.Begin()
 925	if err != nil {
 926		elog.Printf("savetracks begin error: %s", err)
 927		return
 928	}
 929	defer func() {
 930		err := tx.Commit()
 931		if err != nil {
 932			elog.Printf("savetracks commit error: %s", err)
 933		}
 934
 935	}()
 936	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
 937	if err != nil {
 938		elog.Printf("savetracks error: %s", err)
 939		return
 940	}
 941	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
 942	if err != nil {
 943		elog.Printf("savetracks error: %s", err)
 944		return
 945	}
 946	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
 947	if err != nil {
 948		elog.Printf("savetracks error: %s", err)
 949		return
 950	}
 951	count := 0
 952	for xid, f := range tracks {
 953		count += len(f)
 954		var prev string
 955		row := stmtGetTracks.QueryRow(xid)
 956		err := row.Scan(&prev)
 957		if err == sql.ErrNoRows {
 958			f = oneofakind(f)
 959			stmtNewTracks.Exec(xid, strings.Join(f, " "))
 960		} else if err == nil {
 961			all := append(strings.Split(prev, " "), f...)
 962			all = oneofakind(all)
 963			stmtUpdateTracks.Exec(strings.Join(all, " "))
 964		} else {
 965			elog.Printf("savetracks error: %s", err)
 966		}
 967	}
 968	dlog.Printf("saved %d new fetches", count)
 969}
 970
 971var trackchan = make(chan Track)
 972var dumptracks = make(chan chan bool)
 973
 974func tracker() {
 975	timeout := 4 * time.Minute
 976	sleeper := time.NewTimer(timeout)
 977	tracks := make(map[string][]string)
 978	workinprogress++
 979	for {
 980		select {
 981		case track := <-trackchan:
 982			tracks[track.xid] = append(tracks[track.xid], track.who)
 983		case <-sleeper.C:
 984			if len(tracks) > 0 {
 985				go savetracks(tracks)
 986				tracks = make(map[string][]string)
 987			}
 988			sleeper.Reset(timeout)
 989		case c := <-dumptracks:
 990			if len(tracks) > 0 {
 991				savetracks(tracks)
 992			}
 993			c <- true
 994		case <-endoftheworld:
 995			if len(tracks) > 0 {
 996				savetracks(tracks)
 997			}
 998			readyalready <- true
 999			return
1000		}
1001	}
1002}
1003
1004var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1005
1006func trackback(xid string, r *http.Request) {
1007	agent := r.UserAgent()
1008	who := originate(agent)
1009	sig := r.Header.Get("Signature")
1010	if sig != "" {
1011		m := re_keyholder.FindStringSubmatch(sig)
1012		if len(m) == 2 {
1013			who = m[1]
1014		}
1015	}
1016	if who != "" {
1017		trackchan <- Track{xid: xid, who: who}
1018	}
1019}
1020
1021func threadsort(honks []*Honk) []*Honk {
1022	honkx := make(map[string]*Honk)
1023	kids := make(map[string][]*Honk)
1024	for _, h := range honks {
1025		honkx[h.XID] = h
1026		if h.RID == "" {
1027			honkx[""] = h
1028		}
1029		rid := h.RID
1030		kids[rid] = append(kids[rid], h)
1031	}
1032	done := make(map[*Honk]bool)
1033	var thread []*Honk
1034	var nextlevel func(p *Honk)
1035	level := 0
1036	nextlevel = func(p *Honk) {
1037		if level > 4 {
1038			p.Style += fmt.Sprintf(" level%d", 4)
1039		} else {
1040			p.Style += fmt.Sprintf(" level%d", level)
1041		}
1042		levelup := true
1043		if pp := honkx[p.RID]; pp != nil && p.Honker == pp.Honker {
1044			levelup = false
1045		}
1046		if levelup {
1047			level++
1048		}
1049		childs := kids[p.XID]
1050		sort.Slice(childs, func(i, j int) bool {
1051			return childs[i].Date.Before(childs[j].Date)
1052		})
1053		for _, h := range childs {
1054			done[h] = true
1055			thread = append(thread, h)
1056			nextlevel(h)
1057		}
1058		if levelup {
1059			level--
1060		}
1061	}
1062	for _, h := range honks {
1063		if h.RID == "" {
1064			done[h] = true
1065			thread = append(thread, h)
1066			nextlevel(h)
1067		}
1068	}
1069	for _, h := range honks {
1070		if !done[h] {
1071			done[h] = true
1072			thread = append(thread, h)
1073			nextlevel(h)
1074		}
1075	}
1076	return thread
1077}
1078
1079func honkology(honk *Honk) template.HTML {
1080	var user *WhatAbout
1081	ok := somenumberedusers.Get(honk.UserID, &user)
1082	if !ok {
1083		return ""
1084	}
1085	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1086	imgurl := avatarURL(user)
1087	for _, d := range honk.Donks {
1088		if d.Local && strings.HasPrefix(d.Media, "image") {
1089			imgurl = d.URL
1090			break
1091		}
1092	}
1093	short := honk.Noise
1094	if len(short) > 160 {
1095		short = short[0:160] + "..."
1096	}
1097	return templates.Sprintf(
1098		`<meta property="og:title" content="%s" />
1099<meta property="og:type" content="article" />
1100<meta property="article:author" content="%s" />
1101<meta property="og:url" content="%s" />
1102<meta property="og:image" content="%s" />
1103<meta property="og:description" content="%s" />`,
1104		title, user.URL, honk.XID, imgurl, short)
1105}
1106
1107func showonehonk(w http.ResponseWriter, r *http.Request) {
1108	name := mux.Vars(r)["name"]
1109	user, err := butwhatabout(name)
1110	if err != nil {
1111		http.NotFound(w, r)
1112		return
1113	}
1114	if stealthmode(user.ID, r) {
1115		http.NotFound(w, r)
1116		return
1117	}
1118	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1119
1120	if friendorfoe(r.Header.Get("Accept")) {
1121		j, ok := gimmejonk(xid)
1122		if ok {
1123			trackback(xid, r)
1124			w.Header().Set("Content-Type", theonetruename)
1125			w.Write(j)
1126		} else {
1127			http.NotFound(w, r)
1128		}
1129		return
1130	}
1131	honk := getxonk(user.ID, xid)
1132	if honk == nil {
1133		http.NotFound(w, r)
1134		return
1135	}
1136	u := login.GetUserInfo(r)
1137	if u != nil && u.UserID != user.ID {
1138		u = nil
1139	}
1140	if !honk.Public {
1141		if u == nil {
1142			http.NotFound(w, r)
1143			return
1144
1145		}
1146		honks := []*Honk{honk}
1147		donksforhonks(honks)
1148		templinfo := getInfo(r)
1149		templinfo["ServerMessage"] = "one honk maybe more"
1150		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1151		honkpage(w, u, honks, templinfo)
1152		return
1153	}
1154
1155	templinfo := getInfo(r)
1156	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1157	//reversehonks(rawhonks)
1158	rawhonks = threadsort(rawhonks)
1159	var honks []*Honk
1160	for _, h := range rawhonks {
1161		if h.XID == xid {
1162			templinfo["Honkology"] = honkology(h)
1163			if len(honks) != 0 {
1164				h.Style += " glow"
1165			}
1166		}
1167		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1168			honks = append(honks, h)
1169		}
1170	}
1171
1172	templinfo["ServerMessage"] = "one honk maybe more"
1173	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1174	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1175	honkpage(w, u, honks, templinfo)
1176}
1177
1178func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1179	var userid int64 = -1
1180	if u != nil {
1181		userid = u.UserID
1182		templinfo["User"], _ = butwhatabout(u.Username)
1183	}
1184	reverbolate(userid, honks)
1185	templinfo["Honks"] = honks
1186	templinfo["MapLink"] = getmaplink(u)
1187	if templinfo["TopHID"] == nil {
1188		if len(honks) > 0 {
1189			templinfo["TopHID"] = honks[0].ID
1190		} else {
1191			templinfo["TopHID"] = 0
1192		}
1193	}
1194	if u == nil && !develMode {
1195		w.Header().Set("Cache-Control", "max-age=60")
1196	}
1197	err := readviews.Execute(w, "honkpage.html", templinfo)
1198	if err != nil {
1199		elog.Print(err)
1200	}
1201}
1202
1203func saveuser(w http.ResponseWriter, r *http.Request) {
1204	whatabout := r.FormValue("whatabout")
1205	whatabout = strings.Replace(whatabout, "\r", "", -1)
1206	u := login.GetUserInfo(r)
1207	user, _ := butwhatabout(u.Username)
1208	db := opendatabase()
1209
1210	options := user.Options
1211	if r.FormValue("skinny") == "skinny" {
1212		options.SkinnyCSS = true
1213	} else {
1214		options.SkinnyCSS = false
1215	}
1216	if r.FormValue("omitimages") == "omitimages" {
1217		options.OmitImages = true
1218	} else {
1219		options.OmitImages = false
1220	}
1221	if r.FormValue("mentionall") == "mentionall" {
1222		options.MentionAll = true
1223	} else {
1224		options.MentionAll = false
1225	}
1226	if r.FormValue("inlineqts") == "inlineqts" {
1227		options.InlineQuotes = true
1228	} else {
1229		options.InlineQuotes = false
1230	}
1231	if r.FormValue("maps") == "apple" {
1232		options.MapLink = "apple"
1233	} else {
1234		options.MapLink = ""
1235	}
1236	options.Reaction = r.FormValue("reaction")
1237
1238	sendupdate := false
1239	ava := re_avatar.FindString(whatabout)
1240	if ava != "" {
1241		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1242		ava = ava[7:]
1243		if ava[0] == ' ' {
1244			ava = ava[1:]
1245		}
1246		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1247	}
1248	if ava != options.Avatar {
1249		options.Avatar = ava
1250		sendupdate = true
1251	}
1252	ban := re_banner.FindString(whatabout)
1253	if ban != "" {
1254		whatabout = re_banner.ReplaceAllString(whatabout, "")
1255		ban = ban[7:]
1256		if ban[0] == ' ' {
1257			ban = ban[1:]
1258		}
1259		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1260	}
1261	if ban != options.Banner {
1262		options.Banner = ban
1263		sendupdate = true
1264	}
1265	whatabout = strings.TrimSpace(whatabout)
1266	if whatabout != user.About {
1267		sendupdate = true
1268	}
1269	j, err := jsonify(options)
1270	if err == nil {
1271		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1272	}
1273	if err != nil {
1274		elog.Printf("error bouting what: %s", err)
1275	}
1276	somenamedusers.Clear(u.Username)
1277	somenumberedusers.Clear(u.UserID)
1278	oldjonkers.Clear(u.Username)
1279
1280	if sendupdate {
1281		updateMe(u.Username)
1282	}
1283
1284	http.Redirect(w, r, "/account", http.StatusSeeOther)
1285}
1286
1287func bonkit(xid string, user *WhatAbout) {
1288	dlog.Printf("bonking %s", xid)
1289
1290	xonk := getxonk(user.ID, xid)
1291	if xonk == nil {
1292		return
1293	}
1294	if !xonk.Public {
1295		return
1296	}
1297	if xonk.IsBonked() {
1298		return
1299	}
1300	donksforhonks([]*Honk{xonk})
1301
1302	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1303	if err != nil {
1304		elog.Printf("error acking bonk: %s", err)
1305	}
1306
1307	oonker := xonk.Oonker
1308	if oonker == "" {
1309		oonker = xonk.Honker
1310	}
1311	dt := time.Now().UTC()
1312	bonk := &Honk{
1313		UserID:   user.ID,
1314		Username: user.Name,
1315		What:     "bonk",
1316		Honker:   user.URL,
1317		Oonker:   oonker,
1318		XID:      xonk.XID,
1319		RID:      xonk.RID,
1320		Noise:    xonk.Noise,
1321		Precis:   xonk.Precis,
1322		URL:      xonk.URL,
1323		Date:     dt,
1324		Donks:    xonk.Donks,
1325		Whofore:  2,
1326		Convoy:   xonk.Convoy,
1327		Audience: []string{thewholeworld, oonker},
1328		Public:   true,
1329		Format:   xonk.Format,
1330		Place:    xonk.Place,
1331		Onts:     xonk.Onts,
1332		Time:     xonk.Time,
1333	}
1334
1335	err = savehonk(bonk)
1336	if err != nil {
1337		elog.Printf("uh oh")
1338		return
1339	}
1340
1341	go honkworldwide(user, bonk)
1342}
1343
1344func submitbonk(w http.ResponseWriter, r *http.Request) {
1345	xid := r.FormValue("xid")
1346	userinfo := login.GetUserInfo(r)
1347	user, _ := butwhatabout(userinfo.Username)
1348
1349	bonkit(xid, user)
1350
1351	if r.FormValue("js") != "1" {
1352		templinfo := getInfo(r)
1353		templinfo["ServerMessage"] = "Bonked!"
1354		err := readviews.Execute(w, "msg.html", templinfo)
1355		if err != nil {
1356			elog.Print(err)
1357		}
1358	}
1359}
1360
1361func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1362	zonk := &Honk{
1363		What:     what,
1364		XID:      xonk.XID,
1365		Date:     time.Now().UTC(),
1366		Audience: oneofakind(xonk.Audience),
1367		Noise:    aux,
1368	}
1369	zonk.Public = loudandproud(zonk.Audience)
1370
1371	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1372	go honkworldwide(user, zonk)
1373}
1374
1375func zonkit(w http.ResponseWriter, r *http.Request) {
1376	wherefore := r.FormValue("wherefore")
1377	what := r.FormValue("what")
1378	userinfo := login.GetUserInfo(r)
1379	user, _ := butwhatabout(userinfo.Username)
1380
1381	if wherefore == "save" {
1382		xonk := getxonk(userinfo.UserID, what)
1383		if xonk != nil {
1384			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1385			if err != nil {
1386				elog.Printf("error saving: %s", err)
1387			}
1388		}
1389		return
1390	}
1391
1392	if wherefore == "unsave" {
1393		xonk := getxonk(userinfo.UserID, what)
1394		if xonk != nil {
1395			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1396			if err != nil {
1397				elog.Printf("error unsaving: %s", err)
1398			}
1399		}
1400		return
1401	}
1402
1403	if wherefore == "react" {
1404		reaction := user.Options.Reaction
1405		if r2 := r.FormValue("reaction"); r2 != "" {
1406			reaction = r2
1407		}
1408		if reaction == "none" {
1409			return
1410		}
1411		xonk := getxonk(userinfo.UserID, what)
1412		if xonk != nil {
1413			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1414			if err != nil {
1415				elog.Printf("error saving: %s", err)
1416			}
1417			sendzonkofsorts(xonk, user, "react", reaction)
1418		}
1419		return
1420	}
1421
1422	// my hammer is too big, oh well
1423	defer oldjonks.Flush()
1424
1425	if wherefore == "ack" {
1426		xonk := getxonk(userinfo.UserID, what)
1427		if xonk != nil && !xonk.IsAcked() {
1428			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1429			if err != nil {
1430				elog.Printf("error acking: %s", err)
1431			}
1432			sendzonkofsorts(xonk, user, "ack", "")
1433		}
1434		return
1435	}
1436
1437	if wherefore == "deack" {
1438		xonk := getxonk(userinfo.UserID, what)
1439		if xonk != nil && xonk.IsAcked() {
1440			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1441			if err != nil {
1442				elog.Printf("error deacking: %s", err)
1443			}
1444			sendzonkofsorts(xonk, user, "deack", "")
1445		}
1446		return
1447	}
1448
1449	if wherefore == "bonk" {
1450		user, _ := butwhatabout(userinfo.Username)
1451		bonkit(what, user)
1452		return
1453	}
1454
1455	if wherefore == "unbonk" {
1456		xonk := getbonk(userinfo.UserID, what)
1457		if xonk != nil {
1458			deletehonk(xonk.ID)
1459			xonk = getxonk(userinfo.UserID, what)
1460			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1461			if err != nil {
1462				elog.Printf("error unbonking: %s", err)
1463			}
1464			sendzonkofsorts(xonk, user, "unbonk", "")
1465		}
1466		return
1467	}
1468
1469	if wherefore == "untag" {
1470		xonk := getxonk(userinfo.UserID, what)
1471		if xonk != nil {
1472			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1473			if err != nil {
1474				elog.Printf("error untagging: %s", err)
1475			}
1476		}
1477		var badparents map[string]bool
1478		untagged.GetAndLock(userinfo.UserID, &badparents)
1479		badparents[what] = true
1480		untagged.Unlock()
1481		return
1482	}
1483
1484	ilog.Printf("zonking %s %s", wherefore, what)
1485	if wherefore == "zonk" {
1486		xonk := getxonk(userinfo.UserID, what)
1487		if xonk != nil {
1488			deletehonk(xonk.ID)
1489			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1490				sendzonkofsorts(xonk, user, "zonk", "")
1491			}
1492		}
1493	}
1494	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1495	if err != nil {
1496		elog.Printf("error saving zonker: %s", err)
1497		return
1498	}
1499}
1500
1501func edithonkpage(w http.ResponseWriter, r *http.Request) {
1502	u := login.GetUserInfo(r)
1503	user, _ := butwhatabout(u.Username)
1504	xid := r.FormValue("xid")
1505	honk := getxonk(u.UserID, xid)
1506	if !canedithonk(user, honk) {
1507		http.Error(w, "no editing that please", http.StatusInternalServerError)
1508		return
1509	}
1510
1511	noise := honk.Noise
1512
1513	honks := []*Honk{honk}
1514	donksforhonks(honks)
1515	reverbolate(u.UserID, honks)
1516	templinfo := getInfo(r)
1517	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1518	templinfo["Honks"] = honks
1519	templinfo["MapLink"] = getmaplink(u)
1520	templinfo["Noise"] = noise
1521	templinfo["SavedPlace"] = honk.Place
1522	if tm := honk.Time; tm != nil {
1523		templinfo["ShowTime"] = " "
1524		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1525		if tm.Duration != 0 {
1526			templinfo["Duration"] = tm.Duration
1527		}
1528	}
1529	templinfo["ServerMessage"] = "honk edit 2"
1530	templinfo["IsPreview"] = true
1531	templinfo["UpdateXID"] = honk.XID
1532	if len(honk.Donks) > 0 {
1533		templinfo["SavedFile"] = honk.Donks[0].XID
1534	}
1535	err := readviews.Execute(w, "honkpage.html", templinfo)
1536	if err != nil {
1537		elog.Print(err)
1538	}
1539}
1540
1541func newhonkpage(w http.ResponseWriter, r *http.Request) {
1542	u := login.GetUserInfo(r)
1543	rid := r.FormValue("rid")
1544	noise := ""
1545
1546	xonk := getxonk(u.UserID, rid)
1547	if xonk != nil {
1548		_, replto := handles(xonk.Honker)
1549		if replto != "" {
1550			noise = "@" + replto + " "
1551		}
1552	}
1553
1554	templinfo := getInfo(r)
1555	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1556	templinfo["InReplyTo"] = rid
1557	templinfo["Noise"] = noise
1558	templinfo["ServerMessage"] = "compose honk"
1559	templinfo["IsPreview"] = true
1560	err := readviews.Execute(w, "honkpage.html", templinfo)
1561	if err != nil {
1562		elog.Print(err)
1563	}
1564}
1565
1566func canedithonk(user *WhatAbout, honk *Honk) bool {
1567	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1568		return false
1569	}
1570	return true
1571}
1572
1573func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1574	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1575		return nil, nil
1576	}
1577	file, filehdr, err := r.FormFile("donk")
1578	if err != nil {
1579		if err == http.ErrMissingFile {
1580			return nil, nil
1581		}
1582		elog.Printf("error reading donk: %s", err)
1583		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1584		return nil, err
1585	}
1586	var buf bytes.Buffer
1587	io.Copy(&buf, file)
1588	file.Close()
1589	data := buf.Bytes()
1590	var media, name string
1591	img, err := shrinkit(data)
1592	if err == nil {
1593		data = img.Data
1594		format := img.Format
1595		media = "image/" + format
1596		if format == "jpeg" {
1597			format = "jpg"
1598		}
1599		if format == "svg+xml" {
1600			format = "svg"
1601		}
1602		name = xfiltrate() + "." + format
1603	} else {
1604		ct := http.DetectContentType(data)
1605		switch ct {
1606		case "application/pdf":
1607			maxsize := 10000000
1608			if len(data) > maxsize {
1609				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1610				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1611				return nil, err
1612			}
1613			media = ct
1614			name = filehdr.Filename
1615			if name == "" {
1616				name = xfiltrate() + ".pdf"
1617			}
1618		default:
1619			maxsize := 100000
1620			if len(data) > maxsize {
1621				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1622				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1623				return nil, err
1624			}
1625			for i := 0; i < len(data); i++ {
1626				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1627					ilog.Printf("bad image: %s not text: %d", err, data[i])
1628					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1629					return nil, err
1630				}
1631			}
1632			media = "text/plain"
1633			name = filehdr.Filename
1634			if name == "" {
1635				name = xfiltrate() + ".txt"
1636			}
1637		}
1638	}
1639	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1640	if desc == "" {
1641		desc = name
1642	}
1643	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1644	if err != nil {
1645		elog.Printf("unable to save image: %s", err)
1646		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1647		return nil, err
1648	}
1649	d := &Donk{
1650		FileID: fileid,
1651		XID:    xid,
1652		Desc:   desc,
1653		Local:  true,
1654	}
1655	return d, nil
1656}
1657
1658func websubmithonk(w http.ResponseWriter, r *http.Request) {
1659	h := submithonk(w, r)
1660	if h == nil {
1661		return
1662	}
1663	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1664}
1665
1666// what a hot mess this function is
1667func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1668	rid := r.FormValue("rid")
1669	noise := r.FormValue("noise")
1670	format := r.FormValue("format")
1671	if format == "" {
1672		format = "markdown"
1673	}
1674	if !(format == "markdown" || format == "html") {
1675		http.Error(w, "unknown format", 500)
1676		return nil
1677	}
1678
1679	userinfo := login.GetUserInfo(r)
1680	user, _ := butwhatabout(userinfo.Username)
1681
1682	dt := time.Now().UTC()
1683	updatexid := r.FormValue("updatexid")
1684	var honk *Honk
1685	if updatexid != "" {
1686		honk = getxonk(userinfo.UserID, updatexid)
1687		if !canedithonk(user, honk) {
1688			http.Error(w, "no editing that please", http.StatusInternalServerError)
1689			return nil
1690		}
1691		honk.Date = dt
1692		honk.What = "update"
1693		honk.Format = format
1694	} else {
1695		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1696		what := "honk"
1697		if rid != "" {
1698			what = "tonk"
1699		}
1700		honk = &Honk{
1701			UserID:   userinfo.UserID,
1702			Username: userinfo.Username,
1703			What:     what,
1704			Honker:   user.URL,
1705			XID:      xid,
1706			Date:     dt,
1707			Format:   format,
1708		}
1709	}
1710
1711	var convoy string
1712	noise = strings.Replace(noise, "\r", "", -1)
1713	if updatexid == "" && rid == "" {
1714		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1715			convoy = m[7:]
1716			convoy = strings.TrimSpace(convoy)
1717			if !re_convalidate.MatchString(convoy) {
1718				convoy = ""
1719			}
1720			return ""
1721		})
1722	}
1723	noise = quickrename(noise, userinfo.UserID)
1724	noise = hooterize(noise)
1725	honk.Noise = noise
1726	precipitate(honk)
1727	noise = honk.Noise
1728	translate(honk)
1729
1730	if rid != "" {
1731		xonk := getxonk(userinfo.UserID, rid)
1732		if xonk == nil {
1733			http.Error(w, "replyto disappeared", http.StatusNotFound)
1734			return nil
1735		}
1736		if xonk.Public {
1737			honk.Audience = append(honk.Audience, xonk.Audience...)
1738		}
1739		convoy = xonk.Convoy
1740		for i, a := range honk.Audience {
1741			if a == thewholeworld {
1742				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1743				break
1744			}
1745		}
1746		honk.RID = rid
1747		if xonk.Precis != "" && honk.Precis == "" {
1748			honk.Precis = xonk.Precis
1749			if !re_dangerous.MatchString(honk.Precis) {
1750				honk.Precis = "re: " + honk.Precis
1751			}
1752		}
1753	} else {
1754		honk.Audience = []string{thewholeworld}
1755	}
1756	if honk.Noise != "" && honk.Noise[0] == '@' {
1757		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1758	} else {
1759		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1760	}
1761
1762	if convoy == "" {
1763		convoy = "data:,electrichonkytonk-" + xfiltrate()
1764	}
1765	butnottooloud(honk.Audience)
1766	honk.Audience = oneofakind(honk.Audience)
1767	if len(honk.Audience) == 0 {
1768		ilog.Printf("honk to nowhere")
1769		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1770		return nil
1771	}
1772	honk.Public = loudandproud(honk.Audience)
1773	honk.Convoy = convoy
1774
1775	donkxid := r.FormValue("donkxid")
1776	if donkxid == "" {
1777		d, err := submitdonk(w, r)
1778		if err != nil && err != http.ErrMissingFile {
1779			return nil
1780		}
1781		if d != nil {
1782			honk.Donks = append(honk.Donks, d)
1783			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1784		}
1785	} else {
1786		p := strings.Split(donkxid, ":")
1787		xid := p[0]
1788		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1789		var donk *Donk
1790		if len(p) > 1 {
1791			fileid, _ := strconv.ParseInt(p[1], 10, 0)
1792			donk = finddonkid(fileid, url)
1793		} else {
1794			donk = finddonk(url)
1795		}
1796		if donk != nil {
1797			honk.Donks = append(honk.Donks, donk)
1798		} else {
1799			ilog.Printf("can't find file: %s", xid)
1800		}
1801	}
1802	memetize(honk)
1803	imaginate(honk)
1804
1805	placename := strings.TrimSpace(r.FormValue("placename"))
1806	placelat := strings.TrimSpace(r.FormValue("placelat"))
1807	placelong := strings.TrimSpace(r.FormValue("placelong"))
1808	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1809	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1810		p := new(Place)
1811		p.Name = placename
1812		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1813		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1814		p.Url = placeurl
1815		honk.Place = p
1816	}
1817	timestart := strings.TrimSpace(r.FormValue("timestart"))
1818	if timestart != "" {
1819		t := new(Time)
1820		now := time.Now().Local()
1821		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1822			start, err := time.ParseInLocation(layout, timestart, now.Location())
1823			if err == nil {
1824				if start.Year() == 0 {
1825					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1826				}
1827				t.StartTime = start
1828				break
1829			}
1830		}
1831		timeend := r.FormValue("timeend")
1832		dur := parseDuration(timeend)
1833		if dur != 0 {
1834			t.Duration = Duration(dur)
1835		}
1836		if !t.StartTime.IsZero() {
1837			honk.What = "event"
1838			honk.Time = t
1839		}
1840	}
1841
1842	if honk.Public {
1843		honk.Whofore = 2
1844	} else {
1845		honk.Whofore = 3
1846	}
1847
1848	// back to markdown
1849	honk.Noise = noise
1850
1851	if r.FormValue("preview") == "preview" {
1852		honks := []*Honk{honk}
1853		reverbolate(userinfo.UserID, honks)
1854		templinfo := getInfo(r)
1855		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1856		templinfo["Honks"] = honks
1857		templinfo["MapLink"] = getmaplink(userinfo)
1858		templinfo["InReplyTo"] = r.FormValue("rid")
1859		templinfo["Noise"] = r.FormValue("noise")
1860		templinfo["SavedFile"] = donkxid
1861		if tm := honk.Time; tm != nil {
1862			templinfo["ShowTime"] = " "
1863			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1864			if tm.Duration != 0 {
1865				templinfo["Duration"] = tm.Duration
1866			}
1867		}
1868		templinfo["IsPreview"] = true
1869		templinfo["UpdateXID"] = updatexid
1870		templinfo["ServerMessage"] = "honk preview"
1871		err := readviews.Execute(w, "honkpage.html", templinfo)
1872		if err != nil {
1873			elog.Print(err)
1874		}
1875		return nil
1876	}
1877
1878	if updatexid != "" {
1879		updatehonk(honk)
1880		oldjonks.Clear(honk.XID)
1881	} else {
1882		err := savehonk(honk)
1883		if err != nil {
1884			elog.Printf("uh oh")
1885			return nil
1886		}
1887	}
1888
1889	// reload for consistency
1890	honk.Donks = nil
1891	donksforhonks([]*Honk{honk})
1892
1893	go honkworldwide(user, honk)
1894
1895	return honk
1896}
1897
1898func showhonkers(w http.ResponseWriter, r *http.Request) {
1899	userinfo := login.GetUserInfo(r)
1900	templinfo := getInfo(r)
1901	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1902	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1903	err := readviews.Execute(w, "honkers.html", templinfo)
1904	if err != nil {
1905		elog.Print(err)
1906	}
1907}
1908
1909func showchatter(w http.ResponseWriter, r *http.Request) {
1910	u := login.GetUserInfo(r)
1911	chatnewnone(u.UserID)
1912	chatter := loadchatter(u.UserID)
1913	for _, chat := range chatter {
1914		for _, ch := range chat.Chonks {
1915			filterchonk(ch)
1916		}
1917	}
1918
1919	templinfo := getInfo(r)
1920	templinfo["Chatter"] = chatter
1921	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1922	err := readviews.Execute(w, "chatter.html", templinfo)
1923	if err != nil {
1924		elog.Print(err)
1925	}
1926}
1927
1928func submitchonk(w http.ResponseWriter, r *http.Request) {
1929	u := login.GetUserInfo(r)
1930	user, _ := butwhatabout(u.Username)
1931	noise := r.FormValue("noise")
1932	target := r.FormValue("target")
1933	format := "markdown"
1934	dt := time.Now().UTC()
1935	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1936
1937	if !strings.HasPrefix(target, "https://") {
1938		target = fullname(target, u.UserID)
1939	}
1940	if target == "" {
1941		http.Error(w, "who is that?", http.StatusInternalServerError)
1942		return
1943	}
1944	ch := Chonk{
1945		UserID: u.UserID,
1946		XID:    xid,
1947		Who:    user.URL,
1948		Target: target,
1949		Date:   dt,
1950		Noise:  noise,
1951		Format: format,
1952	}
1953	d, err := submitdonk(w, r)
1954	if err != nil && err != http.ErrMissingFile {
1955		return
1956	}
1957	if d != nil {
1958		ch.Donks = append(ch.Donks, d)
1959	}
1960
1961	translatechonk(&ch)
1962	savechonk(&ch)
1963	// reload for consistency
1964	ch.Donks = nil
1965	donksforchonks([]*Chonk{&ch})
1966	go sendchonk(user, &ch)
1967
1968	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
1969}
1970
1971var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1972	honkers := gethonkers(userid)
1973	var combos []string
1974	for _, h := range honkers {
1975		combos = append(combos, h.Combos...)
1976	}
1977	for i, c := range combos {
1978		if c == "-" {
1979			combos[i] = ""
1980		}
1981	}
1982	combos = oneofakind(combos)
1983	sort.Strings(combos)
1984	return combos, true
1985}, Invalidator: &honkerinvalidator})
1986
1987func showcombos(w http.ResponseWriter, r *http.Request) {
1988	userinfo := login.GetUserInfo(r)
1989	var combos []string
1990	combocache.Get(userinfo.UserID, &combos)
1991	templinfo := getInfo(r)
1992	err := readviews.Execute(w, "combos.html", templinfo)
1993	if err != nil {
1994		elog.Print(err)
1995	}
1996}
1997
1998func websubmithonker(w http.ResponseWriter, r *http.Request) {
1999	h := submithonker(w, r)
2000	if h == nil {
2001		return
2002	}
2003	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2004}
2005
2006func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2007	u := login.GetUserInfo(r)
2008	user, _ := butwhatabout(u.Username)
2009	name := strings.TrimSpace(r.FormValue("name"))
2010	url := strings.TrimSpace(r.FormValue("url"))
2011	peep := r.FormValue("peep")
2012	combos := strings.TrimSpace(r.FormValue("combos"))
2013	combos = " " + combos + " "
2014	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2015
2016	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2017	if name != "" && !re_namecheck.MatchString(name) {
2018		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2019		return nil
2020	}
2021
2022	var meta HonkerMeta
2023	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2024	mj, _ := jsonify(&meta)
2025
2026	defer honkerinvalidator.Clear(u.UserID)
2027
2028	// mostly dummy, fill in later...
2029	h := &Honker{
2030		ID: honkerid,
2031	}
2032
2033	if honkerid > 0 {
2034		if r.FormValue("delete") == "delete" {
2035			unfollowyou(user, honkerid, false)
2036			stmtDeleteHonker.Exec(honkerid)
2037			return h
2038		}
2039		if r.FormValue("unsub") == "unsub" {
2040			unfollowyou(user, honkerid, false)
2041		}
2042		if r.FormValue("sub") == "sub" {
2043			followyou(user, honkerid, false)
2044		}
2045		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2046		if err != nil {
2047			elog.Printf("update honker err: %s", err)
2048			return nil
2049		}
2050		return h
2051	}
2052
2053	if url == "" {
2054		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2055		return nil
2056	}
2057
2058	flavor := "presub"
2059	if peep == "peep" {
2060		flavor = "peep"
2061	}
2062
2063	var err error
2064	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2065	if err != nil {
2066		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2067		return nil
2068	}
2069	if flavor == "presub" {
2070		followyou(user, honkerid, false)
2071	}
2072	h.ID = honkerid
2073	return h
2074}
2075
2076func hfcspage(w http.ResponseWriter, r *http.Request) {
2077	userinfo := login.GetUserInfo(r)
2078
2079	filters := getfilters(userinfo.UserID, filtAny)
2080
2081	templinfo := getInfo(r)
2082	templinfo["Filters"] = filters
2083	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2084	err := readviews.Execute(w, "hfcs.html", templinfo)
2085	if err != nil {
2086		elog.Print(err)
2087	}
2088}
2089
2090func savehfcs(w http.ResponseWriter, r *http.Request) {
2091	userinfo := login.GetUserInfo(r)
2092	itsok := r.FormValue("itsok")
2093	if itsok == "iforgiveyou" {
2094		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2095		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2096		if err != nil {
2097			elog.Printf("error deleting filter: %s", err)
2098		}
2099		filtInvalidator.Clear(userinfo.UserID)
2100		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2101		return
2102	}
2103
2104	filt := new(Filter)
2105	filt.Name = strings.TrimSpace(r.FormValue("name"))
2106	filt.Date = time.Now().UTC()
2107	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2108	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2109	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2110	filt.IsReply = r.FormValue("isreply") == "yes"
2111	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2112	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2113	filt.Reject = r.FormValue("doreject") == "yes"
2114	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2115	filt.Hide = r.FormValue("dohide") == "yes"
2116	filt.Collapse = r.FormValue("docollapse") == "yes"
2117	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2118	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2119	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2120		filt.Expiration = time.Now().UTC().Add(dur)
2121	}
2122	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2123
2124	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2125		ilog.Printf("blank filter")
2126		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2127		return
2128	}
2129
2130	j, err := jsonify(filt)
2131	if err == nil {
2132		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2133	}
2134	if err != nil {
2135		elog.Printf("error saving filter: %s", err)
2136	}
2137
2138	filtInvalidator.Clear(userinfo.UserID)
2139	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2140}
2141
2142func accountpage(w http.ResponseWriter, r *http.Request) {
2143	u := login.GetUserInfo(r)
2144	user, _ := butwhatabout(u.Username)
2145	templinfo := getInfo(r)
2146	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2147	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2148	templinfo["User"] = user
2149	about := user.About
2150	if ava := user.Options.Avatar; ava != "" {
2151		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2152	}
2153	if ban := user.Options.Banner; ban != "" {
2154		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2155	}
2156	templinfo["WhatAbout"] = about
2157	err := readviews.Execute(w, "account.html", templinfo)
2158	if err != nil {
2159		elog.Print(err)
2160	}
2161}
2162
2163func dochpass(w http.ResponseWriter, r *http.Request) {
2164	err := login.ChangePassword(w, r)
2165	if err != nil {
2166		elog.Printf("error changing password: %s", err)
2167	}
2168	http.Redirect(w, r, "/account", http.StatusSeeOther)
2169}
2170
2171func fingerlicker(w http.ResponseWriter, r *http.Request) {
2172	orig := r.FormValue("resource")
2173
2174	dlog.Printf("finger lick: %s", orig)
2175
2176	if strings.HasPrefix(orig, "acct:") {
2177		orig = orig[5:]
2178	}
2179
2180	name := orig
2181	idx := strings.LastIndexByte(name, '/')
2182	if idx != -1 {
2183		name = name[idx+1:]
2184		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2185			ilog.Printf("foreign request rejected")
2186			name = ""
2187		}
2188	} else {
2189		idx = strings.IndexByte(name, '@')
2190		if idx != -1 {
2191			name = name[:idx]
2192			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2193				ilog.Printf("foreign request rejected")
2194				name = ""
2195			}
2196		}
2197	}
2198	user, err := butwhatabout(name)
2199	if err != nil {
2200		http.NotFound(w, r)
2201		return
2202	}
2203	if stealthmode(user.ID, r) {
2204		http.NotFound(w, r)
2205		return
2206	}
2207
2208	j := junk.New()
2209	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2210	j["aliases"] = []string{user.URL}
2211	l := junk.New()
2212	l["rel"] = "self"
2213	l["type"] = `application/activity+json`
2214	l["href"] = user.URL
2215	j["links"] = []junk.Junk{l}
2216
2217	w.Header().Set("Content-Type", "application/jrd+json")
2218	j.Write(w)
2219}
2220
2221func somedays() string {
2222	secs := 432000 + notrand.Int63n(432000)
2223	return fmt.Sprintf("%d", secs)
2224}
2225
2226func lookatme(ava string) string {
2227	if strings.Contains(ava, serverName+"/"+userSep) {
2228		idx := strings.LastIndexByte(ava, '/')
2229		if idx < len(ava) {
2230			name := ava[idx+1:]
2231			user, _ := butwhatabout(name)
2232			if user != nil && user.URL == ava {
2233				return user.Options.Avatar
2234			}
2235		}
2236	}
2237	return ""
2238}
2239
2240func avatate(w http.ResponseWriter, r *http.Request) {
2241	if develMode {
2242		loadAvatarColors()
2243	}
2244	n := r.FormValue("a")
2245	if redir := lookatme(n); redir != "" {
2246		http.Redirect(w, r, redir, http.StatusSeeOther)
2247		return
2248	}
2249	a := genAvatar(n)
2250	if !develMode {
2251		w.Header().Set("Cache-Control", "max-age="+somedays())
2252	}
2253	w.Write(a)
2254}
2255
2256func serveviewasset(w http.ResponseWriter, r *http.Request) {
2257	serveasset(w, r, viewDir)
2258}
2259func servedataasset(w http.ResponseWriter, r *http.Request) {
2260	if r.URL.Path == "/favicon.ico" {
2261		r.URL.Path = "/icon.png"
2262	}
2263	serveasset(w, r, dataDir)
2264}
2265
2266func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2267	if !develMode {
2268		w.Header().Set("Cache-Control", "max-age=7776000")
2269	}
2270	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2271}
2272func servehelp(w http.ResponseWriter, r *http.Request) {
2273	name := mux.Vars(r)["name"]
2274	if !develMode {
2275		w.Header().Set("Cache-Control", "max-age=3600")
2276	}
2277	http.ServeFile(w, r, viewDir+"/docs/"+name)
2278}
2279func servehtml(w http.ResponseWriter, r *http.Request) {
2280	u := login.GetUserInfo(r)
2281	templinfo := getInfo(r)
2282	templinfo["AboutMsg"] = aboutMsg
2283	templinfo["LoginMsg"] = loginMsg
2284	templinfo["HonkVersion"] = softwareVersion
2285	if r.URL.Path == "/about" {
2286		templinfo["Sensors"] = getSensors()
2287	}
2288	if u == nil && !develMode {
2289		w.Header().Set("Cache-Control", "max-age=60")
2290	}
2291	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2292	if err != nil {
2293		elog.Print(err)
2294	}
2295}
2296func serveemu(w http.ResponseWriter, r *http.Request) {
2297	emu := mux.Vars(r)["emu"]
2298
2299	w.Header().Set("Cache-Control", "max-age="+somedays())
2300	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2301}
2302func servememe(w http.ResponseWriter, r *http.Request) {
2303	meme := mux.Vars(r)["meme"]
2304
2305	w.Header().Set("Cache-Control", "max-age="+somedays())
2306	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2307}
2308
2309func servefile(w http.ResponseWriter, r *http.Request) {
2310	xid := mux.Vars(r)["xid"]
2311	var media string
2312	var data []byte
2313	row := stmtGetFileData.QueryRow(xid)
2314	err := row.Scan(&media, &data)
2315	if err != nil {
2316		elog.Printf("error loading file: %s", err)
2317		http.NotFound(w, r)
2318		return
2319	}
2320	w.Header().Set("Content-Type", media)
2321	w.Header().Set("X-Content-Type-Options", "nosniff")
2322	w.Header().Set("Cache-Control", "max-age="+somedays())
2323	w.Write(data)
2324}
2325
2326func nomoroboto(w http.ResponseWriter, r *http.Request) {
2327	io.WriteString(w, "User-agent: *\n")
2328	io.WriteString(w, "Disallow: /a\n")
2329	io.WriteString(w, "Disallow: /d/\n")
2330	io.WriteString(w, "Disallow: /meme/\n")
2331	io.WriteString(w, "Disallow: /o\n")
2332	io.WriteString(w, "Disallow: /o/\n")
2333	io.WriteString(w, "Disallow: /help/\n")
2334	for _, u := range allusers() {
2335		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2336	}
2337}
2338
2339type Hydration struct {
2340	Tophid    int64
2341	Srvmsg    template.HTML
2342	Honks     string
2343	MeCount   int64
2344	ChatCount int64
2345}
2346
2347func webhydra(w http.ResponseWriter, r *http.Request) {
2348	u := login.GetUserInfo(r)
2349	userid := u.UserID
2350	templinfo := getInfo(r)
2351	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2352	page := r.FormValue("page")
2353
2354	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2355
2356	var hydra Hydration
2357
2358	var honks []*Honk
2359	switch page {
2360	case "atme":
2361		honks = gethonksforme(userid, wanted)
2362		honks = osmosis(honks, userid, false)
2363		menewnone(userid)
2364		hydra.Srvmsg = "at me!"
2365	case "longago":
2366		honks = gethonksfromlongago(userid, wanted)
2367		honks = osmosis(honks, userid, false)
2368		hydra.Srvmsg = "from long ago"
2369	case "home":
2370		honks = gethonksforuser(userid, wanted)
2371		honks = osmosis(honks, userid, true)
2372		hydra.Srvmsg = serverMsg
2373	case "first":
2374		honks = gethonksforuserfirstclass(userid, wanted)
2375		honks = osmosis(honks, userid, true)
2376		hydra.Srvmsg = "first class only"
2377	case "saved":
2378		honks = getsavedhonks(userid, wanted)
2379		templinfo["PageName"] = "saved"
2380		hydra.Srvmsg = "saved honks"
2381	case "combo":
2382		c := r.FormValue("c")
2383		honks = gethonksbycombo(userid, c, wanted)
2384		honks = osmosis(honks, userid, false)
2385		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2386	case "convoy":
2387		c := r.FormValue("c")
2388		honks = gethonksbyconvoy(userid, c, wanted)
2389		honks = osmosis(honks, userid, false)
2390		honks = threadsort(honks)
2391		reversehonks(honks)
2392		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2393	case "honker":
2394		xid := r.FormValue("xid")
2395		honks = gethonksbyxonker(userid, xid, wanted)
2396		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2397			<input type="hidden" name="CSRF" value="%s">
2398			<input type="hidden" name="url" value="%s">
2399			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2400			</form>`, login.GetCSRF("submithonker", r), xid)
2401		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2402		hydra.Srvmsg = msg
2403	case "user":
2404		uname := r.FormValue("uname")
2405		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2406		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2407	default:
2408		http.NotFound(w, r)
2409	}
2410
2411	if len(honks) > 0 {
2412		hydra.Tophid = honks[0].ID
2413	} else {
2414		hydra.Tophid = wanted
2415	}
2416	reverbolate(userid, honks)
2417
2418	user, _ := butwhatabout(u.Username)
2419
2420	var buf strings.Builder
2421	templinfo["Honks"] = honks
2422	templinfo["MapLink"] = getmaplink(u)
2423	templinfo["User"], _ = butwhatabout(u.Username)
2424	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2425	if err != nil {
2426		elog.Printf("frag error: %s", err)
2427		return
2428	}
2429	hydra.Honks = buf.String()
2430	hydra.MeCount = user.Options.MeCount
2431	hydra.ChatCount = user.Options.ChatCount
2432	w.Header().Set("Content-Type", "application/json")
2433	j, _ := jsonify(&hydra)
2434	io.WriteString(w, j)
2435}
2436
2437var honkline = make(chan bool)
2438
2439func honkhonkline() {
2440	for {
2441		select {
2442		case honkline <- true:
2443		default:
2444			return
2445		}
2446	}
2447}
2448
2449func apihandler(w http.ResponseWriter, r *http.Request) {
2450	u := login.GetUserInfo(r)
2451	userid := u.UserID
2452	action := r.FormValue("action")
2453	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2454	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2455	switch action {
2456	case "honk":
2457		h := submithonk(w, r)
2458		if h == nil {
2459			return
2460		}
2461		fmt.Fprintf(w, "%s", h.XID)
2462	case "donk":
2463		d, err := submitdonk(w, r)
2464		if err != nil {
2465			http.Error(w, err.Error(), http.StatusBadRequest)
2466			return
2467		}
2468		if d == nil {
2469			http.Error(w, "missing donk", http.StatusBadRequest)
2470			return
2471		}
2472		w.Write([]byte(d.XID))
2473	case "zonkit":
2474		zonkit(w, r)
2475	case "gethonks":
2476		var honks []*Honk
2477		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2478		page := r.FormValue("page")
2479		var waitchan <-chan time.Time
2480	requery:
2481		switch page {
2482		case "atme":
2483			honks = gethonksforme(userid, wanted)
2484			honks = osmosis(honks, userid, false)
2485			menewnone(userid)
2486		case "longago":
2487			honks = gethonksfromlongago(userid, wanted)
2488			honks = osmosis(honks, userid, false)
2489		case "home":
2490			honks = gethonksforuser(userid, wanted)
2491			honks = osmosis(honks, userid, true)
2492		case "myhonks":
2493			honks = gethonksbyuser(u.Username, true, wanted)
2494			honks = osmosis(honks, userid, true)
2495		default:
2496			http.Error(w, "unknown page", http.StatusNotFound)
2497			return
2498		}
2499		if len(honks) == 0 && wait > 0 {
2500			if waitchan == nil {
2501				waitchan = time.After(time.Duration(wait) * time.Second)
2502			}
2503			select {
2504			case <-honkline:
2505				goto requery
2506			case <-waitchan:
2507			}
2508		}
2509		reverbolate(userid, honks)
2510		j := junk.New()
2511		j["honks"] = honks
2512		j.Write(w)
2513	case "sendactivity":
2514		user, _ := butwhatabout(u.Username)
2515		public := r.FormValue("public") == "1"
2516		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2517		msg := []byte(r.FormValue("msg"))
2518		for rcpt := range rcpts {
2519			go deliverate(userid, rcpt, msg)
2520		}
2521	case "gethonkers":
2522		j := junk.New()
2523		j["honkers"] = gethonkers(u.UserID)
2524		j.Write(w)
2525	case "savehonker":
2526		h := submithonker(w, r)
2527		if h == nil {
2528			return
2529		}
2530		fmt.Fprintf(w, "%d", h.ID)
2531	default:
2532		http.Error(w, "unknown action", http.StatusNotFound)
2533		return
2534	}
2535}
2536
2537func fiveoh(w http.ResponseWriter, r *http.Request) {
2538	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2539	if err != nil {
2540		elog.Printf("error opening violations! %s", err)
2541		return
2542	}
2543	defer fd.Close()
2544	io.Copy(fd, r.Body)
2545}
2546
2547var endoftheworld = make(chan bool)
2548var readyalready = make(chan bool)
2549var workinprogress = 0
2550
2551func enditall() {
2552	sig := make(chan os.Signal)
2553	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
2554	<-sig
2555	ilog.Printf("stopping...")
2556	for i := 0; i < workinprogress; i++ {
2557		endoftheworld <- true
2558	}
2559	ilog.Printf("waiting...")
2560	for i := 0; i < workinprogress; i++ {
2561		<-readyalready
2562	}
2563	ilog.Printf("apocalypse")
2564	os.Exit(0)
2565}
2566
2567var preservehooks []func()
2568
2569func bgmonitor() {
2570	for {
2571		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2572		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2573		if err != nil {
2574			elog.Printf("error deleting old xonkers: %s", err)
2575		}
2576		zaggies.Flush()
2577		time.Sleep(50 * time.Minute)
2578	}
2579}
2580
2581func addcspheaders(next http.Handler) http.Handler {
2582	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2583		w.Header().Set("Content-Security-Policy", "default-src 'none'; script-src 'self'; connect-src 'self'; style-src 'self'; img-src 'self'; media-src 'self'; report-uri /csp-violation")
2584		next.ServeHTTP(w, r)
2585	})
2586}
2587
2588func emuinit() {
2589	var emunames []string
2590	dir, err := os.Open(dataDir + "/emus")
2591	if err == nil {
2592		emunames, _ = dir.Readdirnames(0)
2593		dir.Close()
2594	}
2595	for _, e := range emunames {
2596		if len(e) <= 4 {
2597			continue
2598		}
2599		ext := e[len(e)-4:]
2600		emu := Emu{
2601			ID:   fmt.Sprintf("/emu/%s", e),
2602			Name: e[:len(e)-4],
2603			Type: "image/" + ext[1:],
2604		}
2605		allemus = append(allemus, emu)
2606	}
2607	sort.Slice(allemus, func(i, j int) bool {
2608		return allemus[i].Name < allemus[j].Name
2609	})
2610}
2611
2612func serve() {
2613	db := opendatabase()
2614	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2615
2616	listener, err := openListener()
2617	if err != nil {
2618		elog.Fatal(err)
2619	}
2620	runBackendServer()
2621	go enditall()
2622	go redeliverator()
2623	go tracker()
2624	go bgmonitor()
2625	loadLingo()
2626	emuinit()
2627
2628	readviews = templates.Load(develMode,
2629		viewDir+"/views/honkpage.html",
2630		viewDir+"/views/honkfrags.html",
2631		viewDir+"/views/honkers.html",
2632		viewDir+"/views/chatter.html",
2633		viewDir+"/views/hfcs.html",
2634		viewDir+"/views/combos.html",
2635		viewDir+"/views/honkform.html",
2636		viewDir+"/views/honk.html",
2637		viewDir+"/views/account.html",
2638		viewDir+"/views/about.html",
2639		viewDir+"/views/funzone.html",
2640		viewDir+"/views/login.html",
2641		viewDir+"/views/xzone.html",
2642		viewDir+"/views/msg.html",
2643		viewDir+"/views/header.html",
2644		viewDir+"/views/onts.html",
2645		viewDir+"/views/emus.html",
2646		viewDir+"/views/honkpage.js",
2647	)
2648	if !develMode {
2649		assets := []string{
2650			viewDir + "/views/style.css",
2651			dataDir + "/views/local.css",
2652			viewDir + "/views/honkpage.js",
2653			dataDir + "/views/local.js",
2654		}
2655		for _, s := range assets {
2656			savedassetparams[s] = getassetparam(s)
2657		}
2658		loadAvatarColors()
2659	}
2660
2661	for _, h := range preservehooks {
2662		h()
2663	}
2664
2665	mux := mux.NewRouter()
2666	mux.Use(addcspheaders)
2667	mux.Use(login.Checker)
2668
2669	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2670
2671	posters := mux.Methods("POST").Subrouter()
2672	getters := mux.Methods("GET").Subrouter()
2673
2674	getters.HandleFunc("/", homepage)
2675	getters.HandleFunc("/home", homepage)
2676	getters.HandleFunc("/front", homepage)
2677	getters.HandleFunc("/events", homepage)
2678	getters.HandleFunc("/robots.txt", nomoroboto)
2679	getters.HandleFunc("/rss", showrss)
2680	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2681	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2682	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2683	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2684	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2685	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2686	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2687	getters.HandleFunc("/a", avatate)
2688	getters.HandleFunc("/o", thelistingoftheontologies)
2689	getters.HandleFunc("/o/{name:.+}", showontology)
2690	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2691	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2692	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2693	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2694
2695	getters.HandleFunc("/flag/{code:.+}", showflag)
2696
2697	getters.HandleFunc("/server", serveractor)
2698	posters.HandleFunc("/server/inbox", serverinbox)
2699	posters.HandleFunc("/inbox", serverinbox)
2700
2701	posters.HandleFunc("/csp-violation", fiveoh)
2702
2703	getters.HandleFunc("/style.css", serveviewasset)
2704	getters.HandleFunc("/honkpage.js", serveviewasset)
2705	getters.HandleFunc("/misc.js", serveviewasset)
2706	getters.HandleFunc("/local.css", servedataasset)
2707	getters.HandleFunc("/local.js", servedataasset)
2708	getters.HandleFunc("/icon.png", servedataasset)
2709	getters.HandleFunc("/favicon.ico", servedataasset)
2710
2711	getters.HandleFunc("/about", servehtml)
2712	getters.HandleFunc("/login", servehtml)
2713	posters.HandleFunc("/dologin", login.LoginFunc)
2714	getters.HandleFunc("/logout", login.LogoutFunc)
2715	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2716
2717	loggedin := mux.NewRoute().Subrouter()
2718	loggedin.Use(login.Required)
2719	loggedin.HandleFunc("/first", homepage)
2720	loggedin.HandleFunc("/chatter", showchatter)
2721	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2722	loggedin.HandleFunc("/saved", homepage)
2723	loggedin.HandleFunc("/account", accountpage)
2724	loggedin.HandleFunc("/funzone", showfunzone)
2725	loggedin.HandleFunc("/chpass", dochpass)
2726	loggedin.HandleFunc("/atme", homepage)
2727	loggedin.HandleFunc("/longago", homepage)
2728	loggedin.HandleFunc("/hfcs", hfcspage)
2729	loggedin.HandleFunc("/xzone", xzone)
2730	loggedin.HandleFunc("/newhonk", newhonkpage)
2731	loggedin.HandleFunc("/edit", edithonkpage)
2732	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2733	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2734	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2735	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2736	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2737	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2738	loggedin.HandleFunc("/honkers", showhonkers)
2739	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2740	loggedin.HandleFunc("/h", showhonker)
2741	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2742	loggedin.HandleFunc("/c", showcombos)
2743	loggedin.HandleFunc("/t", showconvoy)
2744	loggedin.HandleFunc("/q", showsearch)
2745	loggedin.HandleFunc("/hydra", webhydra)
2746	loggedin.HandleFunc("/emus", showemus)
2747	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2748
2749	err = http.Serve(listener, mux)
2750	if err != nil {
2751		elog.Fatal(err)
2752	}
2753}