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	sort.Slice(honks, func(i, j int) bool {
1023		return honks[i].Date.Before(honks[j].Date)
1024	})
1025	honkx := make(map[string]*Honk)
1026	kids := make(map[string][]*Honk)
1027	for _, h := range honks {
1028		honkx[h.XID] = h
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		levelup := level < 4
1038		if pp := honkx[p.RID]; p.RID == "" || (pp != nil && p.Honker == pp.Honker) {
1039			levelup = false
1040		}
1041		if levelup {
1042			level++
1043		}
1044		p.Style += fmt.Sprintf(" level%d", level)
1045		childs := kids[p.XID]
1046		for _, h := range childs {
1047			done[h] = true
1048			thread = append(thread, h)
1049			nextlevel(h)
1050		}
1051		if levelup {
1052			level--
1053		}
1054	}
1055	for _, h := range honks {
1056		if h.RID == "" {
1057			done[h] = true
1058			thread = append(thread, h)
1059			nextlevel(h)
1060		}
1061	}
1062	for _, h := range honks {
1063		if !done[h] {
1064			done[h] = true
1065			thread = append(thread, h)
1066			nextlevel(h)
1067		}
1068	}
1069	return thread
1070}
1071
1072func honkology(honk *Honk) template.HTML {
1073	var user *WhatAbout
1074	ok := somenumberedusers.Get(honk.UserID, &user)
1075	if !ok {
1076		return ""
1077	}
1078	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1079	imgurl := avatarURL(user)
1080	for _, d := range honk.Donks {
1081		if d.Local && strings.HasPrefix(d.Media, "image") {
1082			imgurl = d.URL
1083			break
1084		}
1085	}
1086	short := honk.Noise
1087	if len(short) > 160 {
1088		short = short[0:160] + "..."
1089	}
1090	return templates.Sprintf(
1091		`<meta property="og:title" content="%s" />
1092<meta property="og:type" content="article" />
1093<meta property="article:author" content="%s" />
1094<meta property="og:url" content="%s" />
1095<meta property="og:image" content="%s" />
1096<meta property="og:description" content="%s" />`,
1097		title, user.URL, honk.XID, imgurl, short)
1098}
1099
1100func showonehonk(w http.ResponseWriter, r *http.Request) {
1101	name := mux.Vars(r)["name"]
1102	user, err := butwhatabout(name)
1103	if err != nil {
1104		http.NotFound(w, r)
1105		return
1106	}
1107	if stealthmode(user.ID, r) {
1108		http.NotFound(w, r)
1109		return
1110	}
1111	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1112
1113	if friendorfoe(r.Header.Get("Accept")) {
1114		j, ok := gimmejonk(xid)
1115		if ok {
1116			trackback(xid, r)
1117			w.Header().Set("Content-Type", theonetruename)
1118			w.Write(j)
1119		} else {
1120			http.NotFound(w, r)
1121		}
1122		return
1123	}
1124	honk := getxonk(user.ID, xid)
1125	if honk == nil {
1126		http.NotFound(w, r)
1127		return
1128	}
1129	u := login.GetUserInfo(r)
1130	if u != nil && u.UserID != user.ID {
1131		u = nil
1132	}
1133	if !honk.Public {
1134		if u == nil {
1135			http.NotFound(w, r)
1136			return
1137
1138		}
1139		honks := []*Honk{honk}
1140		donksforhonks(honks)
1141		templinfo := getInfo(r)
1142		templinfo["ServerMessage"] = "one honk maybe more"
1143		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1144		honkpage(w, u, honks, templinfo)
1145		return
1146	}
1147
1148	templinfo := getInfo(r)
1149	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1150	//reversehonks(rawhonks)
1151	rawhonks = threadsort(rawhonks)
1152	var honks []*Honk
1153	for _, h := range rawhonks {
1154		if h.XID == xid {
1155			templinfo["Honkology"] = honkology(h)
1156			if len(honks) != 0 {
1157				h.Style += " glow"
1158			}
1159		}
1160		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1161			honks = append(honks, h)
1162		}
1163	}
1164
1165	templinfo["ServerMessage"] = "one honk maybe more"
1166	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1167	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1168	honkpage(w, u, honks, templinfo)
1169}
1170
1171func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1172	var userid int64 = -1
1173	if u != nil {
1174		userid = u.UserID
1175		templinfo["User"], _ = butwhatabout(u.Username)
1176	}
1177	reverbolate(userid, honks)
1178	templinfo["Honks"] = honks
1179	templinfo["MapLink"] = getmaplink(u)
1180	if templinfo["TopHID"] == nil {
1181		if len(honks) > 0 {
1182			templinfo["TopHID"] = honks[0].ID
1183		} else {
1184			templinfo["TopHID"] = 0
1185		}
1186	}
1187	if u == nil && !develMode {
1188		w.Header().Set("Cache-Control", "max-age=60")
1189	}
1190	err := readviews.Execute(w, "honkpage.html", templinfo)
1191	if err != nil {
1192		elog.Print(err)
1193	}
1194}
1195
1196func saveuser(w http.ResponseWriter, r *http.Request) {
1197	whatabout := r.FormValue("whatabout")
1198	whatabout = strings.Replace(whatabout, "\r", "", -1)
1199	u := login.GetUserInfo(r)
1200	user, _ := butwhatabout(u.Username)
1201	db := opendatabase()
1202
1203	options := user.Options
1204	if r.FormValue("skinny") == "skinny" {
1205		options.SkinnyCSS = true
1206	} else {
1207		options.SkinnyCSS = false
1208	}
1209	if r.FormValue("omitimages") == "omitimages" {
1210		options.OmitImages = true
1211	} else {
1212		options.OmitImages = false
1213	}
1214	if r.FormValue("mentionall") == "mentionall" {
1215		options.MentionAll = true
1216	} else {
1217		options.MentionAll = false
1218	}
1219	if r.FormValue("inlineqts") == "inlineqts" {
1220		options.InlineQuotes = true
1221	} else {
1222		options.InlineQuotes = false
1223	}
1224	if r.FormValue("maps") == "apple" {
1225		options.MapLink = "apple"
1226	} else {
1227		options.MapLink = ""
1228	}
1229	options.Reaction = r.FormValue("reaction")
1230
1231	sendupdate := false
1232	ava := re_avatar.FindString(whatabout)
1233	if ava != "" {
1234		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1235		ava = ava[7:]
1236		if ava[0] == ' ' {
1237			ava = ava[1:]
1238		}
1239		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1240	}
1241	if ava != options.Avatar {
1242		options.Avatar = ava
1243		sendupdate = true
1244	}
1245	ban := re_banner.FindString(whatabout)
1246	if ban != "" {
1247		whatabout = re_banner.ReplaceAllString(whatabout, "")
1248		ban = ban[7:]
1249		if ban[0] == ' ' {
1250			ban = ban[1:]
1251		}
1252		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1253	}
1254	if ban != options.Banner {
1255		options.Banner = ban
1256		sendupdate = true
1257	}
1258	whatabout = strings.TrimSpace(whatabout)
1259	if whatabout != user.About {
1260		sendupdate = true
1261	}
1262	j, err := jsonify(options)
1263	if err == nil {
1264		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1265	}
1266	if err != nil {
1267		elog.Printf("error bouting what: %s", err)
1268	}
1269	somenamedusers.Clear(u.Username)
1270	somenumberedusers.Clear(u.UserID)
1271	oldjonkers.Clear(u.Username)
1272
1273	if sendupdate {
1274		updateMe(u.Username)
1275	}
1276
1277	http.Redirect(w, r, "/account", http.StatusSeeOther)
1278}
1279
1280func bonkit(xid string, user *WhatAbout) {
1281	dlog.Printf("bonking %s", xid)
1282
1283	xonk := getxonk(user.ID, xid)
1284	if xonk == nil {
1285		return
1286	}
1287	if !xonk.Public {
1288		return
1289	}
1290	if xonk.IsBonked() {
1291		return
1292	}
1293	donksforhonks([]*Honk{xonk})
1294
1295	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1296	if err != nil {
1297		elog.Printf("error acking bonk: %s", err)
1298	}
1299
1300	oonker := xonk.Oonker
1301	if oonker == "" {
1302		oonker = xonk.Honker
1303	}
1304	dt := time.Now().UTC()
1305	bonk := &Honk{
1306		UserID:   user.ID,
1307		Username: user.Name,
1308		What:     "bonk",
1309		Honker:   user.URL,
1310		Oonker:   oonker,
1311		XID:      xonk.XID,
1312		RID:      xonk.RID,
1313		Noise:    xonk.Noise,
1314		Precis:   xonk.Precis,
1315		URL:      xonk.URL,
1316		Date:     dt,
1317		Donks:    xonk.Donks,
1318		Whofore:  2,
1319		Convoy:   xonk.Convoy,
1320		Audience: []string{thewholeworld, oonker},
1321		Public:   true,
1322		Format:   xonk.Format,
1323		Place:    xonk.Place,
1324		Onts:     xonk.Onts,
1325		Time:     xonk.Time,
1326	}
1327
1328	err = savehonk(bonk)
1329	if err != nil {
1330		elog.Printf("uh oh")
1331		return
1332	}
1333
1334	go honkworldwide(user, bonk)
1335}
1336
1337func submitbonk(w http.ResponseWriter, r *http.Request) {
1338	xid := r.FormValue("xid")
1339	userinfo := login.GetUserInfo(r)
1340	user, _ := butwhatabout(userinfo.Username)
1341
1342	bonkit(xid, user)
1343
1344	if r.FormValue("js") != "1" {
1345		templinfo := getInfo(r)
1346		templinfo["ServerMessage"] = "Bonked!"
1347		err := readviews.Execute(w, "msg.html", templinfo)
1348		if err != nil {
1349			elog.Print(err)
1350		}
1351	}
1352}
1353
1354func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1355	zonk := &Honk{
1356		What:     what,
1357		XID:      xonk.XID,
1358		Date:     time.Now().UTC(),
1359		Audience: oneofakind(xonk.Audience),
1360		Noise:    aux,
1361	}
1362	zonk.Public = loudandproud(zonk.Audience)
1363
1364	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1365	go honkworldwide(user, zonk)
1366}
1367
1368func zonkit(w http.ResponseWriter, r *http.Request) {
1369	wherefore := r.FormValue("wherefore")
1370	what := r.FormValue("what")
1371	userinfo := login.GetUserInfo(r)
1372	user, _ := butwhatabout(userinfo.Username)
1373
1374	if wherefore == "save" {
1375		xonk := getxonk(userinfo.UserID, what)
1376		if xonk != nil {
1377			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1378			if err != nil {
1379				elog.Printf("error saving: %s", err)
1380			}
1381		}
1382		return
1383	}
1384
1385	if wherefore == "unsave" {
1386		xonk := getxonk(userinfo.UserID, what)
1387		if xonk != nil {
1388			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1389			if err != nil {
1390				elog.Printf("error unsaving: %s", err)
1391			}
1392		}
1393		return
1394	}
1395
1396	if wherefore == "react" {
1397		reaction := user.Options.Reaction
1398		if r2 := r.FormValue("reaction"); r2 != "" {
1399			reaction = r2
1400		}
1401		if reaction == "none" {
1402			return
1403		}
1404		xonk := getxonk(userinfo.UserID, what)
1405		if xonk != nil {
1406			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1407			if err != nil {
1408				elog.Printf("error saving: %s", err)
1409			}
1410			sendzonkofsorts(xonk, user, "react", reaction)
1411		}
1412		return
1413	}
1414
1415	// my hammer is too big, oh well
1416	defer oldjonks.Flush()
1417
1418	if wherefore == "ack" {
1419		xonk := getxonk(userinfo.UserID, what)
1420		if xonk != nil && !xonk.IsAcked() {
1421			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1422			if err != nil {
1423				elog.Printf("error acking: %s", err)
1424			}
1425			sendzonkofsorts(xonk, user, "ack", "")
1426		}
1427		return
1428	}
1429
1430	if wherefore == "deack" {
1431		xonk := getxonk(userinfo.UserID, what)
1432		if xonk != nil && xonk.IsAcked() {
1433			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1434			if err != nil {
1435				elog.Printf("error deacking: %s", err)
1436			}
1437			sendzonkofsorts(xonk, user, "deack", "")
1438		}
1439		return
1440	}
1441
1442	if wherefore == "bonk" {
1443		user, _ := butwhatabout(userinfo.Username)
1444		bonkit(what, user)
1445		return
1446	}
1447
1448	if wherefore == "unbonk" {
1449		xonk := getbonk(userinfo.UserID, what)
1450		if xonk != nil {
1451			deletehonk(xonk.ID)
1452			xonk = getxonk(userinfo.UserID, what)
1453			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1454			if err != nil {
1455				elog.Printf("error unbonking: %s", err)
1456			}
1457			sendzonkofsorts(xonk, user, "unbonk", "")
1458		}
1459		return
1460	}
1461
1462	if wherefore == "untag" {
1463		xonk := getxonk(userinfo.UserID, what)
1464		if xonk != nil {
1465			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1466			if err != nil {
1467				elog.Printf("error untagging: %s", err)
1468			}
1469		}
1470		var badparents map[string]bool
1471		untagged.GetAndLock(userinfo.UserID, &badparents)
1472		badparents[what] = true
1473		untagged.Unlock()
1474		return
1475	}
1476
1477	ilog.Printf("zonking %s %s", wherefore, what)
1478	if wherefore == "zonk" {
1479		xonk := getxonk(userinfo.UserID, what)
1480		if xonk != nil {
1481			deletehonk(xonk.ID)
1482			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1483				sendzonkofsorts(xonk, user, "zonk", "")
1484			}
1485		}
1486	}
1487	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1488	if err != nil {
1489		elog.Printf("error saving zonker: %s", err)
1490		return
1491	}
1492}
1493
1494func edithonkpage(w http.ResponseWriter, r *http.Request) {
1495	u := login.GetUserInfo(r)
1496	user, _ := butwhatabout(u.Username)
1497	xid := r.FormValue("xid")
1498	honk := getxonk(u.UserID, xid)
1499	if !canedithonk(user, honk) {
1500		http.Error(w, "no editing that please", http.StatusInternalServerError)
1501		return
1502	}
1503
1504	noise := honk.Noise
1505
1506	honks := []*Honk{honk}
1507	donksforhonks(honks)
1508	reverbolate(u.UserID, honks)
1509	templinfo := getInfo(r)
1510	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1511	templinfo["Honks"] = honks
1512	templinfo["MapLink"] = getmaplink(u)
1513	templinfo["Noise"] = noise
1514	templinfo["SavedPlace"] = honk.Place
1515	if tm := honk.Time; tm != nil {
1516		templinfo["ShowTime"] = " "
1517		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1518		if tm.Duration != 0 {
1519			templinfo["Duration"] = tm.Duration
1520		}
1521	}
1522	templinfo["ServerMessage"] = "honk edit 2"
1523	templinfo["IsPreview"] = true
1524	templinfo["UpdateXID"] = honk.XID
1525	if len(honk.Donks) > 0 {
1526		templinfo["SavedFile"] = honk.Donks[0].XID
1527	}
1528	err := readviews.Execute(w, "honkpage.html", templinfo)
1529	if err != nil {
1530		elog.Print(err)
1531	}
1532}
1533
1534func newhonkpage(w http.ResponseWriter, r *http.Request) {
1535	u := login.GetUserInfo(r)
1536	rid := r.FormValue("rid")
1537	noise := ""
1538
1539	xonk := getxonk(u.UserID, rid)
1540	if xonk != nil {
1541		_, replto := handles(xonk.Honker)
1542		if replto != "" {
1543			noise = "@" + replto + " "
1544		}
1545	}
1546
1547	templinfo := getInfo(r)
1548	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1549	templinfo["InReplyTo"] = rid
1550	templinfo["Noise"] = noise
1551	templinfo["ServerMessage"] = "compose honk"
1552	templinfo["IsPreview"] = true
1553	err := readviews.Execute(w, "honkpage.html", templinfo)
1554	if err != nil {
1555		elog.Print(err)
1556	}
1557}
1558
1559func canedithonk(user *WhatAbout, honk *Honk) bool {
1560	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1561		return false
1562	}
1563	return true
1564}
1565
1566func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1567	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1568		return nil, nil
1569	}
1570	file, filehdr, err := r.FormFile("donk")
1571	if err != nil {
1572		if err == http.ErrMissingFile {
1573			return nil, nil
1574		}
1575		elog.Printf("error reading donk: %s", err)
1576		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1577		return nil, err
1578	}
1579	var buf bytes.Buffer
1580	io.Copy(&buf, file)
1581	file.Close()
1582	data := buf.Bytes()
1583	var media, name string
1584	img, err := shrinkit(data)
1585	if err == nil {
1586		data = img.Data
1587		format := img.Format
1588		media = "image/" + format
1589		if format == "jpeg" {
1590			format = "jpg"
1591		}
1592		if format == "svg+xml" {
1593			format = "svg"
1594		}
1595		name = xfiltrate() + "." + format
1596	} else {
1597		ct := http.DetectContentType(data)
1598		switch ct {
1599		case "application/pdf":
1600			maxsize := 10000000
1601			if len(data) > maxsize {
1602				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1603				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1604				return nil, err
1605			}
1606			media = ct
1607			name = filehdr.Filename
1608			if name == "" {
1609				name = xfiltrate() + ".pdf"
1610			}
1611		default:
1612			maxsize := 100000
1613			if len(data) > maxsize {
1614				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1615				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1616				return nil, err
1617			}
1618			for i := 0; i < len(data); i++ {
1619				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1620					ilog.Printf("bad image: %s not text: %d", err, data[i])
1621					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1622					return nil, err
1623				}
1624			}
1625			media = "text/plain"
1626			name = filehdr.Filename
1627			if name == "" {
1628				name = xfiltrate() + ".txt"
1629			}
1630		}
1631	}
1632	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1633	if desc == "" {
1634		desc = name
1635	}
1636	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1637	if err != nil {
1638		elog.Printf("unable to save image: %s", err)
1639		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1640		return nil, err
1641	}
1642	d := &Donk{
1643		FileID: fileid,
1644		XID:    xid,
1645		Desc:   desc,
1646		Local:  true,
1647	}
1648	return d, nil
1649}
1650
1651func websubmithonk(w http.ResponseWriter, r *http.Request) {
1652	h := submithonk(w, r)
1653	if h == nil {
1654		return
1655	}
1656	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1657}
1658
1659// what a hot mess this function is
1660func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1661	rid := r.FormValue("rid")
1662	noise := r.FormValue("noise")
1663	format := r.FormValue("format")
1664	if format == "" {
1665		format = "markdown"
1666	}
1667	if !(format == "markdown" || format == "html") {
1668		http.Error(w, "unknown format", 500)
1669		return nil
1670	}
1671
1672	userinfo := login.GetUserInfo(r)
1673	user, _ := butwhatabout(userinfo.Username)
1674
1675	dt := time.Now().UTC()
1676	updatexid := r.FormValue("updatexid")
1677	var honk *Honk
1678	if updatexid != "" {
1679		honk = getxonk(userinfo.UserID, updatexid)
1680		if !canedithonk(user, honk) {
1681			http.Error(w, "no editing that please", http.StatusInternalServerError)
1682			return nil
1683		}
1684		honk.Date = dt
1685		honk.What = "update"
1686		honk.Format = format
1687	} else {
1688		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1689		what := "honk"
1690		if rid != "" {
1691			what = "tonk"
1692		}
1693		honk = &Honk{
1694			UserID:   userinfo.UserID,
1695			Username: userinfo.Username,
1696			What:     what,
1697			Honker:   user.URL,
1698			XID:      xid,
1699			Date:     dt,
1700			Format:   format,
1701		}
1702	}
1703
1704	var convoy string
1705	noise = strings.Replace(noise, "\r", "", -1)
1706	if updatexid == "" && rid == "" {
1707		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1708			convoy = m[7:]
1709			convoy = strings.TrimSpace(convoy)
1710			if !re_convalidate.MatchString(convoy) {
1711				convoy = ""
1712			}
1713			return ""
1714		})
1715	}
1716	noise = quickrename(noise, userinfo.UserID)
1717	noise = hooterize(noise)
1718	honk.Noise = noise
1719	precipitate(honk)
1720	noise = honk.Noise
1721	translate(honk)
1722
1723	if rid != "" {
1724		xonk := getxonk(userinfo.UserID, rid)
1725		if xonk == nil {
1726			http.Error(w, "replyto disappeared", http.StatusNotFound)
1727			return nil
1728		}
1729		if xonk.Public {
1730			honk.Audience = append(honk.Audience, xonk.Audience...)
1731		}
1732		convoy = xonk.Convoy
1733		for i, a := range honk.Audience {
1734			if a == thewholeworld {
1735				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1736				break
1737			}
1738		}
1739		honk.RID = rid
1740		if xonk.Precis != "" && honk.Precis == "" {
1741			honk.Precis = xonk.Precis
1742			if !re_dangerous.MatchString(honk.Precis) {
1743				honk.Precis = "re: " + honk.Precis
1744			}
1745		}
1746	} else {
1747		honk.Audience = []string{thewholeworld}
1748	}
1749	if honk.Noise != "" && honk.Noise[0] == '@' {
1750		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1751	} else {
1752		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1753	}
1754
1755	if convoy == "" {
1756		convoy = "data:,electrichonkytonk-" + xfiltrate()
1757	}
1758	butnottooloud(honk.Audience)
1759	honk.Audience = oneofakind(honk.Audience)
1760	if len(honk.Audience) == 0 {
1761		ilog.Printf("honk to nowhere")
1762		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1763		return nil
1764	}
1765	honk.Public = loudandproud(honk.Audience)
1766	honk.Convoy = convoy
1767
1768	donkxid := r.FormValue("donkxid")
1769	if donkxid == "" {
1770		d, err := submitdonk(w, r)
1771		if err != nil && err != http.ErrMissingFile {
1772			return nil
1773		}
1774		if d != nil {
1775			honk.Donks = append(honk.Donks, d)
1776			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1777		}
1778	} else {
1779		p := strings.Split(donkxid, ":")
1780		xid := p[0]
1781		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1782		var donk *Donk
1783		if len(p) > 1 {
1784			fileid, _ := strconv.ParseInt(p[1], 10, 0)
1785			donk = finddonkid(fileid, url)
1786		} else {
1787			donk = finddonk(url)
1788		}
1789		if donk != nil {
1790			honk.Donks = append(honk.Donks, donk)
1791		} else {
1792			ilog.Printf("can't find file: %s", xid)
1793		}
1794	}
1795	memetize(honk)
1796	imaginate(honk)
1797
1798	placename := strings.TrimSpace(r.FormValue("placename"))
1799	placelat := strings.TrimSpace(r.FormValue("placelat"))
1800	placelong := strings.TrimSpace(r.FormValue("placelong"))
1801	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1802	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1803		p := new(Place)
1804		p.Name = placename
1805		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1806		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1807		p.Url = placeurl
1808		honk.Place = p
1809	}
1810	timestart := strings.TrimSpace(r.FormValue("timestart"))
1811	if timestart != "" {
1812		t := new(Time)
1813		now := time.Now().Local()
1814		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1815			start, err := time.ParseInLocation(layout, timestart, now.Location())
1816			if err == nil {
1817				if start.Year() == 0 {
1818					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1819				}
1820				t.StartTime = start
1821				break
1822			}
1823		}
1824		timeend := r.FormValue("timeend")
1825		dur := parseDuration(timeend)
1826		if dur != 0 {
1827			t.Duration = Duration(dur)
1828		}
1829		if !t.StartTime.IsZero() {
1830			honk.What = "event"
1831			honk.Time = t
1832		}
1833	}
1834
1835	if honk.Public {
1836		honk.Whofore = 2
1837	} else {
1838		honk.Whofore = 3
1839	}
1840
1841	// back to markdown
1842	honk.Noise = noise
1843
1844	if r.FormValue("preview") == "preview" {
1845		honks := []*Honk{honk}
1846		reverbolate(userinfo.UserID, honks)
1847		templinfo := getInfo(r)
1848		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1849		templinfo["Honks"] = honks
1850		templinfo["MapLink"] = getmaplink(userinfo)
1851		templinfo["InReplyTo"] = r.FormValue("rid")
1852		templinfo["Noise"] = r.FormValue("noise")
1853		templinfo["SavedFile"] = donkxid
1854		if tm := honk.Time; tm != nil {
1855			templinfo["ShowTime"] = " "
1856			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1857			if tm.Duration != 0 {
1858				templinfo["Duration"] = tm.Duration
1859			}
1860		}
1861		templinfo["IsPreview"] = true
1862		templinfo["UpdateXID"] = updatexid
1863		templinfo["ServerMessage"] = "honk preview"
1864		err := readviews.Execute(w, "honkpage.html", templinfo)
1865		if err != nil {
1866			elog.Print(err)
1867		}
1868		return nil
1869	}
1870
1871	if updatexid != "" {
1872		updatehonk(honk)
1873		oldjonks.Clear(honk.XID)
1874	} else {
1875		err := savehonk(honk)
1876		if err != nil {
1877			elog.Printf("uh oh")
1878			return nil
1879		}
1880	}
1881
1882	// reload for consistency
1883	honk.Donks = nil
1884	donksforhonks([]*Honk{honk})
1885
1886	go honkworldwide(user, honk)
1887
1888	return honk
1889}
1890
1891func showhonkers(w http.ResponseWriter, r *http.Request) {
1892	userinfo := login.GetUserInfo(r)
1893	templinfo := getInfo(r)
1894	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1895	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1896	err := readviews.Execute(w, "honkers.html", templinfo)
1897	if err != nil {
1898		elog.Print(err)
1899	}
1900}
1901
1902func showchatter(w http.ResponseWriter, r *http.Request) {
1903	u := login.GetUserInfo(r)
1904	chatnewnone(u.UserID)
1905	chatter := loadchatter(u.UserID)
1906	for _, chat := range chatter {
1907		for _, ch := range chat.Chonks {
1908			filterchonk(ch)
1909		}
1910	}
1911
1912	templinfo := getInfo(r)
1913	templinfo["Chatter"] = chatter
1914	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1915	err := readviews.Execute(w, "chatter.html", templinfo)
1916	if err != nil {
1917		elog.Print(err)
1918	}
1919}
1920
1921func submitchonk(w http.ResponseWriter, r *http.Request) {
1922	u := login.GetUserInfo(r)
1923	user, _ := butwhatabout(u.Username)
1924	noise := r.FormValue("noise")
1925	target := r.FormValue("target")
1926	format := "markdown"
1927	dt := time.Now().UTC()
1928	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1929
1930	if !strings.HasPrefix(target, "https://") {
1931		target = fullname(target, u.UserID)
1932	}
1933	if target == "" {
1934		http.Error(w, "who is that?", http.StatusInternalServerError)
1935		return
1936	}
1937	ch := Chonk{
1938		UserID: u.UserID,
1939		XID:    xid,
1940		Who:    user.URL,
1941		Target: target,
1942		Date:   dt,
1943		Noise:  noise,
1944		Format: format,
1945	}
1946	d, err := submitdonk(w, r)
1947	if err != nil && err != http.ErrMissingFile {
1948		return
1949	}
1950	if d != nil {
1951		ch.Donks = append(ch.Donks, d)
1952	}
1953
1954	translatechonk(&ch)
1955	savechonk(&ch)
1956	// reload for consistency
1957	ch.Donks = nil
1958	donksforchonks([]*Chonk{&ch})
1959	go sendchonk(user, &ch)
1960
1961	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
1962}
1963
1964var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1965	honkers := gethonkers(userid)
1966	var combos []string
1967	for _, h := range honkers {
1968		combos = append(combos, h.Combos...)
1969	}
1970	for i, c := range combos {
1971		if c == "-" {
1972			combos[i] = ""
1973		}
1974	}
1975	combos = oneofakind(combos)
1976	sort.Strings(combos)
1977	return combos, true
1978}, Invalidator: &honkerinvalidator})
1979
1980func showcombos(w http.ResponseWriter, r *http.Request) {
1981	userinfo := login.GetUserInfo(r)
1982	var combos []string
1983	combocache.Get(userinfo.UserID, &combos)
1984	templinfo := getInfo(r)
1985	err := readviews.Execute(w, "combos.html", templinfo)
1986	if err != nil {
1987		elog.Print(err)
1988	}
1989}
1990
1991func websubmithonker(w http.ResponseWriter, r *http.Request) {
1992	h := submithonker(w, r)
1993	if h == nil {
1994		return
1995	}
1996	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
1997}
1998
1999func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2000	u := login.GetUserInfo(r)
2001	user, _ := butwhatabout(u.Username)
2002	name := strings.TrimSpace(r.FormValue("name"))
2003	url := strings.TrimSpace(r.FormValue("url"))
2004	peep := r.FormValue("peep")
2005	combos := strings.TrimSpace(r.FormValue("combos"))
2006	combos = " " + combos + " "
2007	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2008
2009	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2010	if name != "" && !re_namecheck.MatchString(name) {
2011		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2012		return nil
2013	}
2014
2015	var meta HonkerMeta
2016	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2017	mj, _ := jsonify(&meta)
2018
2019	defer honkerinvalidator.Clear(u.UserID)
2020
2021	// mostly dummy, fill in later...
2022	h := &Honker{
2023		ID: honkerid,
2024	}
2025
2026	if honkerid > 0 {
2027		if r.FormValue("delete") == "delete" {
2028			unfollowyou(user, honkerid, false)
2029			stmtDeleteHonker.Exec(honkerid)
2030			return h
2031		}
2032		if r.FormValue("unsub") == "unsub" {
2033			unfollowyou(user, honkerid, false)
2034		}
2035		if r.FormValue("sub") == "sub" {
2036			followyou(user, honkerid, false)
2037		}
2038		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2039		if err != nil {
2040			elog.Printf("update honker err: %s", err)
2041			return nil
2042		}
2043		return h
2044	}
2045
2046	if url == "" {
2047		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2048		return nil
2049	}
2050
2051	flavor := "presub"
2052	if peep == "peep" {
2053		flavor = "peep"
2054	}
2055
2056	var err error
2057	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2058	if err != nil {
2059		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2060		return nil
2061	}
2062	if flavor == "presub" {
2063		followyou(user, honkerid, false)
2064	}
2065	h.ID = honkerid
2066	return h
2067}
2068
2069func hfcspage(w http.ResponseWriter, r *http.Request) {
2070	userinfo := login.GetUserInfo(r)
2071
2072	filters := getfilters(userinfo.UserID, filtAny)
2073
2074	templinfo := getInfo(r)
2075	templinfo["Filters"] = filters
2076	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2077	err := readviews.Execute(w, "hfcs.html", templinfo)
2078	if err != nil {
2079		elog.Print(err)
2080	}
2081}
2082
2083func savehfcs(w http.ResponseWriter, r *http.Request) {
2084	userinfo := login.GetUserInfo(r)
2085	itsok := r.FormValue("itsok")
2086	if itsok == "iforgiveyou" {
2087		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2088		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2089		if err != nil {
2090			elog.Printf("error deleting filter: %s", err)
2091		}
2092		filtInvalidator.Clear(userinfo.UserID)
2093		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2094		return
2095	}
2096
2097	filt := new(Filter)
2098	filt.Name = strings.TrimSpace(r.FormValue("name"))
2099	filt.Date = time.Now().UTC()
2100	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2101	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2102	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2103	filt.IsReply = r.FormValue("isreply") == "yes"
2104	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2105	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2106	filt.Reject = r.FormValue("doreject") == "yes"
2107	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2108	filt.Hide = r.FormValue("dohide") == "yes"
2109	filt.Collapse = r.FormValue("docollapse") == "yes"
2110	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2111	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2112	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2113		filt.Expiration = time.Now().UTC().Add(dur)
2114	}
2115	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2116
2117	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2118		ilog.Printf("blank filter")
2119		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2120		return
2121	}
2122
2123	j, err := jsonify(filt)
2124	if err == nil {
2125		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2126	}
2127	if err != nil {
2128		elog.Printf("error saving filter: %s", err)
2129	}
2130
2131	filtInvalidator.Clear(userinfo.UserID)
2132	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2133}
2134
2135func accountpage(w http.ResponseWriter, r *http.Request) {
2136	u := login.GetUserInfo(r)
2137	user, _ := butwhatabout(u.Username)
2138	templinfo := getInfo(r)
2139	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2140	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2141	templinfo["User"] = user
2142	about := user.About
2143	if ava := user.Options.Avatar; ava != "" {
2144		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2145	}
2146	if ban := user.Options.Banner; ban != "" {
2147		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2148	}
2149	templinfo["WhatAbout"] = about
2150	err := readviews.Execute(w, "account.html", templinfo)
2151	if err != nil {
2152		elog.Print(err)
2153	}
2154}
2155
2156func dochpass(w http.ResponseWriter, r *http.Request) {
2157	err := login.ChangePassword(w, r)
2158	if err != nil {
2159		elog.Printf("error changing password: %s", err)
2160	}
2161	http.Redirect(w, r, "/account", http.StatusSeeOther)
2162}
2163
2164func fingerlicker(w http.ResponseWriter, r *http.Request) {
2165	orig := r.FormValue("resource")
2166
2167	dlog.Printf("finger lick: %s", orig)
2168
2169	if strings.HasPrefix(orig, "acct:") {
2170		orig = orig[5:]
2171	}
2172
2173	name := orig
2174	idx := strings.LastIndexByte(name, '/')
2175	if idx != -1 {
2176		name = name[idx+1:]
2177		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2178			ilog.Printf("foreign request rejected")
2179			name = ""
2180		}
2181	} else {
2182		idx = strings.IndexByte(name, '@')
2183		if idx != -1 {
2184			name = name[:idx]
2185			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2186				ilog.Printf("foreign request rejected")
2187				name = ""
2188			}
2189		}
2190	}
2191	user, err := butwhatabout(name)
2192	if err != nil {
2193		http.NotFound(w, r)
2194		return
2195	}
2196	if stealthmode(user.ID, r) {
2197		http.NotFound(w, r)
2198		return
2199	}
2200
2201	j := junk.New()
2202	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2203	j["aliases"] = []string{user.URL}
2204	l := junk.New()
2205	l["rel"] = "self"
2206	l["type"] = `application/activity+json`
2207	l["href"] = user.URL
2208	j["links"] = []junk.Junk{l}
2209
2210	w.Header().Set("Content-Type", "application/jrd+json")
2211	j.Write(w)
2212}
2213
2214func somedays() string {
2215	secs := 432000 + notrand.Int63n(432000)
2216	return fmt.Sprintf("%d", secs)
2217}
2218
2219func lookatme(ava string) string {
2220	if strings.Contains(ava, serverName+"/"+userSep) {
2221		idx := strings.LastIndexByte(ava, '/')
2222		if idx < len(ava) {
2223			name := ava[idx+1:]
2224			user, _ := butwhatabout(name)
2225			if user != nil && user.URL == ava {
2226				return user.Options.Avatar
2227			}
2228		}
2229	}
2230	return ""
2231}
2232
2233func avatate(w http.ResponseWriter, r *http.Request) {
2234	if develMode {
2235		loadAvatarColors()
2236	}
2237	n := r.FormValue("a")
2238	if redir := lookatme(n); redir != "" {
2239		http.Redirect(w, r, redir, http.StatusSeeOther)
2240		return
2241	}
2242	a := genAvatar(n)
2243	if !develMode {
2244		w.Header().Set("Cache-Control", "max-age="+somedays())
2245	}
2246	w.Write(a)
2247}
2248
2249func serveviewasset(w http.ResponseWriter, r *http.Request) {
2250	serveasset(w, r, viewDir)
2251}
2252func servedataasset(w http.ResponseWriter, r *http.Request) {
2253	if r.URL.Path == "/favicon.ico" {
2254		r.URL.Path = "/icon.png"
2255	}
2256	serveasset(w, r, dataDir)
2257}
2258
2259func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2260	if !develMode {
2261		w.Header().Set("Cache-Control", "max-age=7776000")
2262	}
2263	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2264}
2265func servehelp(w http.ResponseWriter, r *http.Request) {
2266	name := mux.Vars(r)["name"]
2267	if !develMode {
2268		w.Header().Set("Cache-Control", "max-age=3600")
2269	}
2270	http.ServeFile(w, r, viewDir+"/docs/"+name)
2271}
2272func servehtml(w http.ResponseWriter, r *http.Request) {
2273	u := login.GetUserInfo(r)
2274	templinfo := getInfo(r)
2275	templinfo["AboutMsg"] = aboutMsg
2276	templinfo["LoginMsg"] = loginMsg
2277	templinfo["HonkVersion"] = softwareVersion
2278	if r.URL.Path == "/about" {
2279		templinfo["Sensors"] = getSensors()
2280	}
2281	if u == nil && !develMode {
2282		w.Header().Set("Cache-Control", "max-age=60")
2283	}
2284	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2285	if err != nil {
2286		elog.Print(err)
2287	}
2288}
2289func serveemu(w http.ResponseWriter, r *http.Request) {
2290	emu := mux.Vars(r)["emu"]
2291
2292	w.Header().Set("Cache-Control", "max-age="+somedays())
2293	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2294}
2295func servememe(w http.ResponseWriter, r *http.Request) {
2296	meme := mux.Vars(r)["meme"]
2297
2298	w.Header().Set("Cache-Control", "max-age="+somedays())
2299	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2300}
2301
2302func servefile(w http.ResponseWriter, r *http.Request) {
2303	xid := mux.Vars(r)["xid"]
2304	var media string
2305	var data []byte
2306	row := stmtGetFileData.QueryRow(xid)
2307	err := row.Scan(&media, &data)
2308	if err != nil {
2309		elog.Printf("error loading file: %s", err)
2310		http.NotFound(w, r)
2311		return
2312	}
2313	w.Header().Set("Content-Type", media)
2314	w.Header().Set("X-Content-Type-Options", "nosniff")
2315	w.Header().Set("Cache-Control", "max-age="+somedays())
2316	w.Write(data)
2317}
2318
2319func nomoroboto(w http.ResponseWriter, r *http.Request) {
2320	io.WriteString(w, "User-agent: *\n")
2321	io.WriteString(w, "Disallow: /a\n")
2322	io.WriteString(w, "Disallow: /d/\n")
2323	io.WriteString(w, "Disallow: /meme/\n")
2324	io.WriteString(w, "Disallow: /o\n")
2325	io.WriteString(w, "Disallow: /o/\n")
2326	io.WriteString(w, "Disallow: /help/\n")
2327	for _, u := range allusers() {
2328		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2329	}
2330}
2331
2332type Hydration struct {
2333	Tophid    int64
2334	Srvmsg    template.HTML
2335	Honks     string
2336	MeCount   int64
2337	ChatCount int64
2338}
2339
2340func webhydra(w http.ResponseWriter, r *http.Request) {
2341	u := login.GetUserInfo(r)
2342	userid := u.UserID
2343	templinfo := getInfo(r)
2344	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2345	page := r.FormValue("page")
2346
2347	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2348
2349	var hydra Hydration
2350
2351	var honks []*Honk
2352	switch page {
2353	case "atme":
2354		honks = gethonksforme(userid, wanted)
2355		honks = osmosis(honks, userid, false)
2356		menewnone(userid)
2357		hydra.Srvmsg = "at me!"
2358	case "longago":
2359		honks = gethonksfromlongago(userid, wanted)
2360		honks = osmosis(honks, userid, false)
2361		hydra.Srvmsg = "from long ago"
2362	case "home":
2363		honks = gethonksforuser(userid, wanted)
2364		honks = osmosis(honks, userid, true)
2365		hydra.Srvmsg = serverMsg
2366	case "first":
2367		honks = gethonksforuserfirstclass(userid, wanted)
2368		honks = osmosis(honks, userid, true)
2369		hydra.Srvmsg = "first class only"
2370	case "saved":
2371		honks = getsavedhonks(userid, wanted)
2372		templinfo["PageName"] = "saved"
2373		hydra.Srvmsg = "saved honks"
2374	case "combo":
2375		c := r.FormValue("c")
2376		honks = gethonksbycombo(userid, c, wanted)
2377		honks = osmosis(honks, userid, false)
2378		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2379	case "convoy":
2380		c := r.FormValue("c")
2381		honks = gethonksbyconvoy(userid, c, wanted)
2382		honks = osmosis(honks, userid, false)
2383		honks = threadsort(honks)
2384		reversehonks(honks)
2385		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2386	case "honker":
2387		xid := r.FormValue("xid")
2388		honks = gethonksbyxonker(userid, xid, wanted)
2389		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2390			<input type="hidden" name="CSRF" value="%s">
2391			<input type="hidden" name="url" value="%s">
2392			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2393			</form>`, login.GetCSRF("submithonker", r), xid)
2394		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2395		hydra.Srvmsg = msg
2396	case "user":
2397		uname := r.FormValue("uname")
2398		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2399		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2400	default:
2401		http.NotFound(w, r)
2402	}
2403
2404	if len(honks) > 0 {
2405		hydra.Tophid = honks[0].ID
2406	} else {
2407		hydra.Tophid = wanted
2408	}
2409	reverbolate(userid, honks)
2410
2411	user, _ := butwhatabout(u.Username)
2412
2413	var buf strings.Builder
2414	templinfo["Honks"] = honks
2415	templinfo["MapLink"] = getmaplink(u)
2416	templinfo["User"], _ = butwhatabout(u.Username)
2417	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2418	if err != nil {
2419		elog.Printf("frag error: %s", err)
2420		return
2421	}
2422	hydra.Honks = buf.String()
2423	hydra.MeCount = user.Options.MeCount
2424	hydra.ChatCount = user.Options.ChatCount
2425	w.Header().Set("Content-Type", "application/json")
2426	j, _ := jsonify(&hydra)
2427	io.WriteString(w, j)
2428}
2429
2430var honkline = make(chan bool)
2431
2432func honkhonkline() {
2433	for {
2434		select {
2435		case honkline <- true:
2436		default:
2437			return
2438		}
2439	}
2440}
2441
2442func apihandler(w http.ResponseWriter, r *http.Request) {
2443	u := login.GetUserInfo(r)
2444	userid := u.UserID
2445	action := r.FormValue("action")
2446	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2447	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2448	switch action {
2449	case "honk":
2450		h := submithonk(w, r)
2451		if h == nil {
2452			return
2453		}
2454		fmt.Fprintf(w, "%s", h.XID)
2455	case "donk":
2456		d, err := submitdonk(w, r)
2457		if err != nil {
2458			http.Error(w, err.Error(), http.StatusBadRequest)
2459			return
2460		}
2461		if d == nil {
2462			http.Error(w, "missing donk", http.StatusBadRequest)
2463			return
2464		}
2465		w.Write([]byte(d.XID))
2466	case "zonkit":
2467		zonkit(w, r)
2468	case "gethonks":
2469		var honks []*Honk
2470		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2471		page := r.FormValue("page")
2472		var waitchan <-chan time.Time
2473	requery:
2474		switch page {
2475		case "atme":
2476			honks = gethonksforme(userid, wanted)
2477			honks = osmosis(honks, userid, false)
2478			menewnone(userid)
2479		case "longago":
2480			honks = gethonksfromlongago(userid, wanted)
2481			honks = osmosis(honks, userid, false)
2482		case "home":
2483			honks = gethonksforuser(userid, wanted)
2484			honks = osmosis(honks, userid, true)
2485		case "myhonks":
2486			honks = gethonksbyuser(u.Username, true, wanted)
2487			honks = osmosis(honks, userid, true)
2488		default:
2489			http.Error(w, "unknown page", http.StatusNotFound)
2490			return
2491		}
2492		if len(honks) == 0 && wait > 0 {
2493			if waitchan == nil {
2494				waitchan = time.After(time.Duration(wait) * time.Second)
2495			}
2496			select {
2497			case <-honkline:
2498				goto requery
2499			case <-waitchan:
2500			}
2501		}
2502		reverbolate(userid, honks)
2503		j := junk.New()
2504		j["honks"] = honks
2505		j.Write(w)
2506	case "sendactivity":
2507		user, _ := butwhatabout(u.Username)
2508		public := r.FormValue("public") == "1"
2509		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2510		msg := []byte(r.FormValue("msg"))
2511		for rcpt := range rcpts {
2512			go deliverate(userid, rcpt, msg)
2513		}
2514	case "gethonkers":
2515		j := junk.New()
2516		j["honkers"] = gethonkers(u.UserID)
2517		j.Write(w)
2518	case "savehonker":
2519		h := submithonker(w, r)
2520		if h == nil {
2521			return
2522		}
2523		fmt.Fprintf(w, "%d", h.ID)
2524	default:
2525		http.Error(w, "unknown action", http.StatusNotFound)
2526		return
2527	}
2528}
2529
2530func fiveoh(w http.ResponseWriter, r *http.Request) {
2531	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2532	if err != nil {
2533		elog.Printf("error opening violations! %s", err)
2534		return
2535	}
2536	defer fd.Close()
2537	io.Copy(fd, r.Body)
2538}
2539
2540var endoftheworld = make(chan bool)
2541var readyalready = make(chan bool)
2542var workinprogress = 0
2543
2544func enditall() {
2545	sig := make(chan os.Signal)
2546	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
2547	<-sig
2548	ilog.Printf("stopping...")
2549	for i := 0; i < workinprogress; i++ {
2550		endoftheworld <- true
2551	}
2552	ilog.Printf("waiting...")
2553	for i := 0; i < workinprogress; i++ {
2554		<-readyalready
2555	}
2556	ilog.Printf("apocalypse")
2557	os.Exit(0)
2558}
2559
2560var preservehooks []func()
2561
2562func bgmonitor() {
2563	for {
2564		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2565		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2566		if err != nil {
2567			elog.Printf("error deleting old xonkers: %s", err)
2568		}
2569		zaggies.Flush()
2570		time.Sleep(50 * time.Minute)
2571	}
2572}
2573
2574func addcspheaders(next http.Handler) http.Handler {
2575	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2576		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")
2577		next.ServeHTTP(w, r)
2578	})
2579}
2580
2581func emuinit() {
2582	var emunames []string
2583	dir, err := os.Open(dataDir + "/emus")
2584	if err == nil {
2585		emunames, _ = dir.Readdirnames(0)
2586		dir.Close()
2587	}
2588	for _, e := range emunames {
2589		if len(e) <= 4 {
2590			continue
2591		}
2592		ext := e[len(e)-4:]
2593		emu := Emu{
2594			ID:   fmt.Sprintf("/emu/%s", e),
2595			Name: e[:len(e)-4],
2596			Type: "image/" + ext[1:],
2597		}
2598		allemus = append(allemus, emu)
2599	}
2600	sort.Slice(allemus, func(i, j int) bool {
2601		return allemus[i].Name < allemus[j].Name
2602	})
2603}
2604
2605func serve() {
2606	db := opendatabase()
2607	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2608
2609	listener, err := openListener()
2610	if err != nil {
2611		elog.Fatal(err)
2612	}
2613	runBackendServer()
2614	go enditall()
2615	go redeliverator()
2616	go tracker()
2617	go bgmonitor()
2618	loadLingo()
2619	emuinit()
2620
2621	readviews = templates.Load(develMode,
2622		viewDir+"/views/honkpage.html",
2623		viewDir+"/views/honkfrags.html",
2624		viewDir+"/views/honkers.html",
2625		viewDir+"/views/chatter.html",
2626		viewDir+"/views/hfcs.html",
2627		viewDir+"/views/combos.html",
2628		viewDir+"/views/honkform.html",
2629		viewDir+"/views/honk.html",
2630		viewDir+"/views/account.html",
2631		viewDir+"/views/about.html",
2632		viewDir+"/views/funzone.html",
2633		viewDir+"/views/login.html",
2634		viewDir+"/views/xzone.html",
2635		viewDir+"/views/msg.html",
2636		viewDir+"/views/header.html",
2637		viewDir+"/views/onts.html",
2638		viewDir+"/views/emus.html",
2639		viewDir+"/views/honkpage.js",
2640	)
2641	if !develMode {
2642		assets := []string{
2643			viewDir + "/views/style.css",
2644			dataDir + "/views/local.css",
2645			viewDir + "/views/honkpage.js",
2646			dataDir + "/views/local.js",
2647		}
2648		for _, s := range assets {
2649			savedassetparams[s] = getassetparam(s)
2650		}
2651		loadAvatarColors()
2652	}
2653
2654	for _, h := range preservehooks {
2655		h()
2656	}
2657
2658	mux := mux.NewRouter()
2659	mux.Use(addcspheaders)
2660	mux.Use(login.Checker)
2661
2662	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2663
2664	posters := mux.Methods("POST").Subrouter()
2665	getters := mux.Methods("GET").Subrouter()
2666
2667	getters.HandleFunc("/", homepage)
2668	getters.HandleFunc("/home", homepage)
2669	getters.HandleFunc("/front", homepage)
2670	getters.HandleFunc("/events", homepage)
2671	getters.HandleFunc("/robots.txt", nomoroboto)
2672	getters.HandleFunc("/rss", showrss)
2673	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2674	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2675	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2676	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2677	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2678	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2679	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2680	getters.HandleFunc("/a", avatate)
2681	getters.HandleFunc("/o", thelistingoftheontologies)
2682	getters.HandleFunc("/o/{name:.+}", showontology)
2683	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2684	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2685	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2686	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2687
2688	getters.HandleFunc("/flag/{code:.+}", showflag)
2689
2690	getters.HandleFunc("/server", serveractor)
2691	posters.HandleFunc("/server/inbox", serverinbox)
2692	posters.HandleFunc("/inbox", serverinbox)
2693
2694	posters.HandleFunc("/csp-violation", fiveoh)
2695
2696	getters.HandleFunc("/style.css", serveviewasset)
2697	getters.HandleFunc("/honkpage.js", serveviewasset)
2698	getters.HandleFunc("/misc.js", serveviewasset)
2699	getters.HandleFunc("/local.css", servedataasset)
2700	getters.HandleFunc("/local.js", servedataasset)
2701	getters.HandleFunc("/icon.png", servedataasset)
2702	getters.HandleFunc("/favicon.ico", servedataasset)
2703
2704	getters.HandleFunc("/about", servehtml)
2705	getters.HandleFunc("/login", servehtml)
2706	posters.HandleFunc("/dologin", login.LoginFunc)
2707	getters.HandleFunc("/logout", login.LogoutFunc)
2708	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2709
2710	loggedin := mux.NewRoute().Subrouter()
2711	loggedin.Use(login.Required)
2712	loggedin.HandleFunc("/first", homepage)
2713	loggedin.HandleFunc("/chatter", showchatter)
2714	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2715	loggedin.HandleFunc("/saved", homepage)
2716	loggedin.HandleFunc("/account", accountpage)
2717	loggedin.HandleFunc("/funzone", showfunzone)
2718	loggedin.HandleFunc("/chpass", dochpass)
2719	loggedin.HandleFunc("/atme", homepage)
2720	loggedin.HandleFunc("/longago", homepage)
2721	loggedin.HandleFunc("/hfcs", hfcspage)
2722	loggedin.HandleFunc("/xzone", xzone)
2723	loggedin.HandleFunc("/newhonk", newhonkpage)
2724	loggedin.HandleFunc("/edit", edithonkpage)
2725	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2726	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2727	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2728	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2729	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2730	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2731	loggedin.HandleFunc("/honkers", showhonkers)
2732	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2733	loggedin.HandleFunc("/h", showhonker)
2734	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2735	loggedin.HandleFunc("/c", showcombos)
2736	loggedin.HandleFunc("/t", showconvoy)
2737	loggedin.HandleFunc("/q", showsearch)
2738	loggedin.HandleFunc("/hydra", webhydra)
2739	loggedin.HandleFunc("/emus", showemus)
2740	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2741
2742	err = http.Serve(listener, mux)
2743	if err != nil {
2744		elog.Fatal(err)
2745	}
2746}