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 == "Dislike" || (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 sameperson(h1, h2 *Honk) bool {
1022	n1, n2 := h1.Honker, h2.Honker
1023	if h1.Oonker != "" {
1024		n1 = h1.Oonker
1025	}
1026	if h2.Oonker != "" {
1027		n2 = h2.Oonker
1028	}
1029	return n1 == n2
1030}
1031
1032func threadsort(honks []*Honk) []*Honk {
1033	sort.Slice(honks, func(i, j int) bool {
1034		return honks[i].Date.Before(honks[j].Date)
1035	})
1036	honkx := make(map[string]*Honk)
1037	kids := make(map[string][]*Honk)
1038	for _, h := range honks {
1039		honkx[h.XID] = h
1040		rid := h.RID
1041		kids[rid] = append(kids[rid], h)
1042	}
1043	done := make(map[*Honk]bool)
1044	var thread []*Honk
1045	var nextlevel func(p *Honk)
1046	level := 0
1047	nextlevel = func(p *Honk) {
1048		levelup := level < 4
1049		if pp := honkx[p.RID]; p.RID == "" || (pp != nil && sameperson(p, pp)) {
1050			levelup = false
1051		}
1052		if level > 0 && len(kids[p.RID]) == 1 {
1053			if pp := honkx[p.RID]; pp != nil && len(kids[pp.RID]) == 1 {
1054				levelup = false
1055			}
1056		}
1057		if levelup {
1058			level++
1059		}
1060		p.Style += fmt.Sprintf(" level%d", level)
1061		childs := kids[p.XID]
1062		sort.SliceStable(childs, func(i, j int) bool {
1063			return sameperson(childs[i], p) && !sameperson(childs[j], p)
1064		})
1065		for _, h := range childs {
1066			if !done[h] {
1067				done[h] = true
1068				thread = append(thread, h)
1069				nextlevel(h)
1070			}
1071		}
1072		if levelup {
1073			level--
1074		}
1075	}
1076	for _, h := range honks {
1077		if !done[h] && h.RID == "" {
1078			done[h] = true
1079			thread = append(thread, h)
1080			nextlevel(h)
1081		}
1082	}
1083	for _, h := range honks {
1084		if !done[h] {
1085			done[h] = true
1086			thread = append(thread, h)
1087			nextlevel(h)
1088		}
1089	}
1090	return thread
1091}
1092
1093func honkology(honk *Honk) template.HTML {
1094	var user *WhatAbout
1095	ok := somenumberedusers.Get(honk.UserID, &user)
1096	if !ok {
1097		return ""
1098	}
1099	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1100	imgurl := avatarURL(user)
1101	for _, d := range honk.Donks {
1102		if d.Local && strings.HasPrefix(d.Media, "image") {
1103			imgurl = d.URL
1104			break
1105		}
1106	}
1107	short := honk.Noise
1108	if len(short) > 160 {
1109		short = short[0:160] + "..."
1110	}
1111	return templates.Sprintf(
1112		`<meta property="og:title" content="%s" />
1113<meta property="og:type" content="article" />
1114<meta property="article:author" content="%s" />
1115<meta property="og:url" content="%s" />
1116<meta property="og:image" content="%s" />
1117<meta property="og:description" content="%s" />`,
1118		title, user.URL, honk.XID, imgurl, short)
1119}
1120
1121func showonehonk(w http.ResponseWriter, r *http.Request) {
1122	name := mux.Vars(r)["name"]
1123	user, err := butwhatabout(name)
1124	if err != nil {
1125		http.NotFound(w, r)
1126		return
1127	}
1128	if stealthmode(user.ID, r) {
1129		http.NotFound(w, r)
1130		return
1131	}
1132	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1133
1134	if friendorfoe(r.Header.Get("Accept")) {
1135		j, ok := gimmejonk(xid)
1136		if ok {
1137			trackback(xid, r)
1138			w.Header().Set("Content-Type", theonetruename)
1139			w.Write(j)
1140		} else {
1141			http.NotFound(w, r)
1142		}
1143		return
1144	}
1145	honk := getxonk(user.ID, xid)
1146	if honk == nil {
1147		http.NotFound(w, r)
1148		return
1149	}
1150	u := login.GetUserInfo(r)
1151	if u != nil && u.UserID != user.ID {
1152		u = nil
1153	}
1154	if !honk.Public {
1155		if u == nil {
1156			http.NotFound(w, r)
1157			return
1158
1159		}
1160		honks := []*Honk{honk}
1161		donksforhonks(honks)
1162		templinfo := getInfo(r)
1163		templinfo["ServerMessage"] = "one honk maybe more"
1164		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1165		honkpage(w, u, honks, templinfo)
1166		return
1167	}
1168
1169	templinfo := getInfo(r)
1170	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1171	//reversehonks(rawhonks)
1172	rawhonks = threadsort(rawhonks)
1173	var honks []*Honk
1174	for _, h := range rawhonks {
1175		if h.XID == xid {
1176			templinfo["Honkology"] = honkology(h)
1177			if len(honks) != 0 {
1178				h.Style += " glow"
1179			}
1180		}
1181		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1182			honks = append(honks, h)
1183		}
1184	}
1185
1186	templinfo["ServerMessage"] = "one honk maybe more"
1187	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1188	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1189	honkpage(w, u, honks, templinfo)
1190}
1191
1192func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1193	var userid int64 = -1
1194	if u != nil {
1195		userid = u.UserID
1196		templinfo["User"], _ = butwhatabout(u.Username)
1197	}
1198	reverbolate(userid, honks)
1199	templinfo["Honks"] = honks
1200	templinfo["MapLink"] = getmaplink(u)
1201	if templinfo["TopHID"] == nil {
1202		if len(honks) > 0 {
1203			templinfo["TopHID"] = honks[0].ID
1204		} else {
1205			templinfo["TopHID"] = 0
1206		}
1207	}
1208	if u == nil && !develMode {
1209		w.Header().Set("Cache-Control", "max-age=60")
1210	}
1211	err := readviews.Execute(w, "honkpage.html", templinfo)
1212	if err != nil {
1213		elog.Print(err)
1214	}
1215}
1216
1217func saveuser(w http.ResponseWriter, r *http.Request) {
1218	whatabout := r.FormValue("whatabout")
1219	whatabout = strings.Replace(whatabout, "\r", "", -1)
1220	u := login.GetUserInfo(r)
1221	user, _ := butwhatabout(u.Username)
1222	db := opendatabase()
1223
1224	options := user.Options
1225	if r.FormValue("skinny") == "skinny" {
1226		options.SkinnyCSS = true
1227	} else {
1228		options.SkinnyCSS = false
1229	}
1230	if r.FormValue("omitimages") == "omitimages" {
1231		options.OmitImages = true
1232	} else {
1233		options.OmitImages = false
1234	}
1235	if r.FormValue("mentionall") == "mentionall" {
1236		options.MentionAll = true
1237	} else {
1238		options.MentionAll = false
1239	}
1240	if r.FormValue("inlineqts") == "inlineqts" {
1241		options.InlineQuotes = true
1242	} else {
1243		options.InlineQuotes = false
1244	}
1245	if r.FormValue("maps") == "apple" {
1246		options.MapLink = "apple"
1247	} else {
1248		options.MapLink = ""
1249	}
1250	options.Reaction = r.FormValue("reaction")
1251
1252	sendupdate := false
1253	ava := re_avatar.FindString(whatabout)
1254	if ava != "" {
1255		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1256		ava = ava[7:]
1257		if ava[0] == ' ' {
1258			ava = ava[1:]
1259		}
1260		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1261	}
1262	if ava != options.Avatar {
1263		options.Avatar = ava
1264		sendupdate = true
1265	}
1266	ban := re_banner.FindString(whatabout)
1267	if ban != "" {
1268		whatabout = re_banner.ReplaceAllString(whatabout, "")
1269		ban = ban[7:]
1270		if ban[0] == ' ' {
1271			ban = ban[1:]
1272		}
1273		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1274	}
1275	if ban != options.Banner {
1276		options.Banner = ban
1277		sendupdate = true
1278	}
1279	whatabout = strings.TrimSpace(whatabout)
1280	if whatabout != user.About {
1281		sendupdate = true
1282	}
1283	j, err := jsonify(options)
1284	if err == nil {
1285		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1286	}
1287	if err != nil {
1288		elog.Printf("error bouting what: %s", err)
1289	}
1290	somenamedusers.Clear(u.Username)
1291	somenumberedusers.Clear(u.UserID)
1292	oldjonkers.Clear(u.Username)
1293
1294	if sendupdate {
1295		updateMe(u.Username)
1296	}
1297
1298	http.Redirect(w, r, "/account", http.StatusSeeOther)
1299}
1300
1301func bonkit(xid string, user *WhatAbout) {
1302	dlog.Printf("bonking %s", xid)
1303
1304	xonk := getxonk(user.ID, xid)
1305	if xonk == nil {
1306		return
1307	}
1308	if !xonk.Public {
1309		return
1310	}
1311	if xonk.IsBonked() {
1312		return
1313	}
1314	donksforhonks([]*Honk{xonk})
1315
1316	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1317	if err != nil {
1318		elog.Printf("error acking bonk: %s", err)
1319	}
1320
1321	oonker := xonk.Oonker
1322	if oonker == "" {
1323		oonker = xonk.Honker
1324	}
1325	dt := time.Now().UTC()
1326	bonk := &Honk{
1327		UserID:   user.ID,
1328		Username: user.Name,
1329		What:     "bonk",
1330		Honker:   user.URL,
1331		Oonker:   oonker,
1332		XID:      xonk.XID,
1333		RID:      xonk.RID,
1334		Noise:    xonk.Noise,
1335		Precis:   xonk.Precis,
1336		URL:      xonk.URL,
1337		Date:     dt,
1338		Donks:    xonk.Donks,
1339		Whofore:  2,
1340		Convoy:   xonk.Convoy,
1341		Audience: []string{thewholeworld, oonker},
1342		Public:   true,
1343		Format:   xonk.Format,
1344		Place:    xonk.Place,
1345		Onts:     xonk.Onts,
1346		Time:     xonk.Time,
1347	}
1348
1349	err = savehonk(bonk)
1350	if err != nil {
1351		elog.Printf("uh oh")
1352		return
1353	}
1354
1355	go honkworldwide(user, bonk)
1356}
1357
1358func submitbonk(w http.ResponseWriter, r *http.Request) {
1359	xid := r.FormValue("xid")
1360	userinfo := login.GetUserInfo(r)
1361	user, _ := butwhatabout(userinfo.Username)
1362
1363	bonkit(xid, user)
1364
1365	if r.FormValue("js") != "1" {
1366		templinfo := getInfo(r)
1367		templinfo["ServerMessage"] = "Bonked!"
1368		err := readviews.Execute(w, "msg.html", templinfo)
1369		if err != nil {
1370			elog.Print(err)
1371		}
1372	}
1373}
1374
1375func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1376	zonk := &Honk{
1377		What:     what,
1378		XID:      xonk.XID,
1379		Date:     time.Now().UTC(),
1380		Audience: oneofakind(xonk.Audience),
1381		Noise:    aux,
1382	}
1383	zonk.Public = loudandproud(zonk.Audience)
1384
1385	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1386	go honkworldwide(user, zonk)
1387}
1388
1389func zonkit(w http.ResponseWriter, r *http.Request) {
1390	wherefore := r.FormValue("wherefore")
1391	what := r.FormValue("what")
1392	userinfo := login.GetUserInfo(r)
1393	user, _ := butwhatabout(userinfo.Username)
1394
1395	if wherefore == "save" {
1396		xonk := getxonk(userinfo.UserID, what)
1397		if xonk != nil {
1398			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1399			if err != nil {
1400				elog.Printf("error saving: %s", err)
1401			}
1402		}
1403		return
1404	}
1405
1406	if wherefore == "unsave" {
1407		xonk := getxonk(userinfo.UserID, what)
1408		if xonk != nil {
1409			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1410			if err != nil {
1411				elog.Printf("error unsaving: %s", err)
1412			}
1413		}
1414		return
1415	}
1416
1417	if wherefore == "react" {
1418		reaction := user.Options.Reaction
1419		if r2 := r.FormValue("reaction"); r2 != "" {
1420			reaction = r2
1421		}
1422		if reaction == "none" {
1423			return
1424		}
1425		xonk := getxonk(userinfo.UserID, what)
1426		if xonk != nil {
1427			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1428			if err != nil {
1429				elog.Printf("error saving: %s", err)
1430			}
1431			sendzonkofsorts(xonk, user, "react", reaction)
1432		}
1433		return
1434	}
1435
1436	// my hammer is too big, oh well
1437	defer oldjonks.Flush()
1438
1439	if wherefore == "ack" {
1440		xonk := getxonk(userinfo.UserID, what)
1441		if xonk != nil && !xonk.IsAcked() {
1442			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1443			if err != nil {
1444				elog.Printf("error acking: %s", err)
1445			}
1446			sendzonkofsorts(xonk, user, "ack", "")
1447		}
1448		return
1449	}
1450
1451	if wherefore == "deack" {
1452		xonk := getxonk(userinfo.UserID, what)
1453		if xonk != nil && xonk.IsAcked() {
1454			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1455			if err != nil {
1456				elog.Printf("error deacking: %s", err)
1457			}
1458			sendzonkofsorts(xonk, user, "deack", "")
1459		}
1460		return
1461	}
1462
1463	if wherefore == "bonk" {
1464		user, _ := butwhatabout(userinfo.Username)
1465		bonkit(what, user)
1466		return
1467	}
1468
1469	if wherefore == "unbonk" {
1470		xonk := getbonk(userinfo.UserID, what)
1471		if xonk != nil {
1472			deletehonk(xonk.ID)
1473			xonk = getxonk(userinfo.UserID, what)
1474			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1475			if err != nil {
1476				elog.Printf("error unbonking: %s", err)
1477			}
1478			sendzonkofsorts(xonk, user, "unbonk", "")
1479		}
1480		return
1481	}
1482
1483	if wherefore == "untag" {
1484		xonk := getxonk(userinfo.UserID, what)
1485		if xonk != nil {
1486			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1487			if err != nil {
1488				elog.Printf("error untagging: %s", err)
1489			}
1490		}
1491		var badparents map[string]bool
1492		untagged.GetAndLock(userinfo.UserID, &badparents)
1493		badparents[what] = true
1494		untagged.Unlock()
1495		return
1496	}
1497
1498	ilog.Printf("zonking %s %s", wherefore, what)
1499	if wherefore == "zonk" {
1500		xonk := getxonk(userinfo.UserID, what)
1501		if xonk != nil {
1502			deletehonk(xonk.ID)
1503			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1504				sendzonkofsorts(xonk, user, "zonk", "")
1505			}
1506		}
1507	}
1508	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1509	if err != nil {
1510		elog.Printf("error saving zonker: %s", err)
1511		return
1512	}
1513}
1514
1515func edithonkpage(w http.ResponseWriter, r *http.Request) {
1516	u := login.GetUserInfo(r)
1517	user, _ := butwhatabout(u.Username)
1518	xid := r.FormValue("xid")
1519	honk := getxonk(u.UserID, xid)
1520	if !canedithonk(user, honk) {
1521		http.Error(w, "no editing that please", http.StatusInternalServerError)
1522		return
1523	}
1524
1525	noise := honk.Noise
1526
1527	honks := []*Honk{honk}
1528	donksforhonks(honks)
1529	reverbolate(u.UserID, honks)
1530	templinfo := getInfo(r)
1531	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1532	templinfo["Honks"] = honks
1533	templinfo["MapLink"] = getmaplink(u)
1534	templinfo["Noise"] = noise
1535	templinfo["SavedPlace"] = honk.Place
1536	if tm := honk.Time; tm != nil {
1537		templinfo["ShowTime"] = " "
1538		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1539		if tm.Duration != 0 {
1540			templinfo["Duration"] = tm.Duration
1541		}
1542	}
1543	templinfo["ServerMessage"] = "honk edit 2"
1544	templinfo["IsPreview"] = true
1545	templinfo["UpdateXID"] = honk.XID
1546	if len(honk.Donks) > 0 {
1547		templinfo["SavedFile"] = honk.Donks[0].XID
1548	}
1549	err := readviews.Execute(w, "honkpage.html", templinfo)
1550	if err != nil {
1551		elog.Print(err)
1552	}
1553}
1554
1555func newhonkpage(w http.ResponseWriter, r *http.Request) {
1556	u := login.GetUserInfo(r)
1557	rid := r.FormValue("rid")
1558	noise := ""
1559
1560	xonk := getxonk(u.UserID, rid)
1561	if xonk != nil {
1562		_, replto := handles(xonk.Honker)
1563		if replto != "" {
1564			noise = "@" + replto + " "
1565		}
1566	}
1567
1568	templinfo := getInfo(r)
1569	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1570	templinfo["InReplyTo"] = rid
1571	templinfo["Noise"] = noise
1572	templinfo["ServerMessage"] = "compose honk"
1573	templinfo["IsPreview"] = true
1574	err := readviews.Execute(w, "honkpage.html", templinfo)
1575	if err != nil {
1576		elog.Print(err)
1577	}
1578}
1579
1580func canedithonk(user *WhatAbout, honk *Honk) bool {
1581	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1582		return false
1583	}
1584	return true
1585}
1586
1587func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1588	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1589		return nil, nil
1590	}
1591	file, filehdr, err := r.FormFile("donk")
1592	if err != nil {
1593		if err == http.ErrMissingFile {
1594			return nil, nil
1595		}
1596		elog.Printf("error reading donk: %s", err)
1597		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1598		return nil, err
1599	}
1600	var buf bytes.Buffer
1601	io.Copy(&buf, file)
1602	file.Close()
1603	data := buf.Bytes()
1604	var media, name string
1605	img, err := shrinkit(data)
1606	if err == nil {
1607		data = img.Data
1608		format := img.Format
1609		media = "image/" + format
1610		if format == "jpeg" {
1611			format = "jpg"
1612		}
1613		if format == "svg+xml" {
1614			format = "svg"
1615		}
1616		name = xfiltrate() + "." + format
1617	} else {
1618		ct := http.DetectContentType(data)
1619		switch ct {
1620		case "application/pdf":
1621			maxsize := 10000000
1622			if len(data) > maxsize {
1623				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1624				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1625				return nil, err
1626			}
1627			media = ct
1628			name = filehdr.Filename
1629			if name == "" {
1630				name = xfiltrate() + ".pdf"
1631			}
1632		default:
1633			maxsize := 100000
1634			if len(data) > maxsize {
1635				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1636				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1637				return nil, err
1638			}
1639			for i := 0; i < len(data); i++ {
1640				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1641					ilog.Printf("bad image: %s not text: %d", err, data[i])
1642					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1643					return nil, err
1644				}
1645			}
1646			media = "text/plain"
1647			name = filehdr.Filename
1648			if name == "" {
1649				name = xfiltrate() + ".txt"
1650			}
1651		}
1652	}
1653	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1654	if desc == "" {
1655		desc = name
1656	}
1657	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1658	if err != nil {
1659		elog.Printf("unable to save image: %s", err)
1660		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1661		return nil, err
1662	}
1663	d := &Donk{
1664		FileID: fileid,
1665		XID:    xid,
1666		Desc:   desc,
1667		Local:  true,
1668	}
1669	return d, nil
1670}
1671
1672func websubmithonk(w http.ResponseWriter, r *http.Request) {
1673	h := submithonk(w, r)
1674	if h == nil {
1675		return
1676	}
1677	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1678}
1679
1680// what a hot mess this function is
1681func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1682	rid := r.FormValue("rid")
1683	noise := r.FormValue("noise")
1684	format := r.FormValue("format")
1685	if format == "" {
1686		format = "markdown"
1687	}
1688	if !(format == "markdown" || format == "html") {
1689		http.Error(w, "unknown format", 500)
1690		return nil
1691	}
1692
1693	userinfo := login.GetUserInfo(r)
1694	user, _ := butwhatabout(userinfo.Username)
1695
1696	dt := time.Now().UTC()
1697	updatexid := r.FormValue("updatexid")
1698	var honk *Honk
1699	if updatexid != "" {
1700		honk = getxonk(userinfo.UserID, updatexid)
1701		if !canedithonk(user, honk) {
1702			http.Error(w, "no editing that please", http.StatusInternalServerError)
1703			return nil
1704		}
1705		honk.Date = dt
1706		honk.What = "update"
1707		honk.Format = format
1708	} else {
1709		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1710		what := "honk"
1711		if rid != "" {
1712			what = "tonk"
1713		}
1714		honk = &Honk{
1715			UserID:   userinfo.UserID,
1716			Username: userinfo.Username,
1717			What:     what,
1718			Honker:   user.URL,
1719			XID:      xid,
1720			Date:     dt,
1721			Format:   format,
1722		}
1723	}
1724
1725	var convoy string
1726	noise = strings.Replace(noise, "\r", "", -1)
1727	if updatexid == "" && rid == "" {
1728		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1729			convoy = m[7:]
1730			convoy = strings.TrimSpace(convoy)
1731			if !re_convalidate.MatchString(convoy) {
1732				convoy = ""
1733			}
1734			return ""
1735		})
1736	}
1737	noise = quickrename(noise, userinfo.UserID)
1738	noise = hooterize(noise)
1739	honk.Noise = noise
1740	precipitate(honk)
1741	noise = honk.Noise
1742	translate(honk)
1743
1744	if rid != "" {
1745		xonk := getxonk(userinfo.UserID, rid)
1746		if xonk == nil {
1747			http.Error(w, "replyto disappeared", http.StatusNotFound)
1748			return nil
1749		}
1750		if xonk.Public {
1751			honk.Audience = append(honk.Audience, xonk.Audience...)
1752		}
1753		convoy = xonk.Convoy
1754		for i, a := range honk.Audience {
1755			if a == thewholeworld {
1756				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1757				break
1758			}
1759		}
1760		honk.RID = rid
1761		if xonk.Precis != "" && honk.Precis == "" {
1762			honk.Precis = xonk.Precis
1763			if !re_dangerous.MatchString(honk.Precis) {
1764				honk.Precis = "re: " + honk.Precis
1765			}
1766		}
1767	} else {
1768		honk.Audience = []string{thewholeworld}
1769	}
1770	if honk.Noise != "" && honk.Noise[0] == '@' {
1771		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1772	} else {
1773		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1774	}
1775
1776	if convoy == "" {
1777		convoy = "data:,electrichonkytonk-" + xfiltrate()
1778	}
1779	butnottooloud(honk.Audience)
1780	honk.Audience = oneofakind(honk.Audience)
1781	if len(honk.Audience) == 0 {
1782		ilog.Printf("honk to nowhere")
1783		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1784		return nil
1785	}
1786	honk.Public = loudandproud(honk.Audience)
1787	honk.Convoy = convoy
1788
1789	donkxid := r.FormValue("donkxid")
1790	if donkxid == "" {
1791		d, err := submitdonk(w, r)
1792		if err != nil && err != http.ErrMissingFile {
1793			return nil
1794		}
1795		if d != nil {
1796			honk.Donks = append(honk.Donks, d)
1797			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1798		}
1799	} else {
1800		p := strings.Split(donkxid, ":")
1801		xid := p[0]
1802		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1803		var donk *Donk
1804		if len(p) > 1 {
1805			fileid, _ := strconv.ParseInt(p[1], 10, 0)
1806			donk = finddonkid(fileid, url)
1807		} else {
1808			donk = finddonk(url)
1809		}
1810		if donk != nil {
1811			honk.Donks = append(honk.Donks, donk)
1812		} else {
1813			ilog.Printf("can't find file: %s", xid)
1814		}
1815	}
1816	memetize(honk)
1817	imaginate(honk)
1818
1819	placename := strings.TrimSpace(r.FormValue("placename"))
1820	placelat := strings.TrimSpace(r.FormValue("placelat"))
1821	placelong := strings.TrimSpace(r.FormValue("placelong"))
1822	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1823	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1824		p := new(Place)
1825		p.Name = placename
1826		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1827		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1828		p.Url = placeurl
1829		honk.Place = p
1830	}
1831	timestart := strings.TrimSpace(r.FormValue("timestart"))
1832	if timestart != "" {
1833		t := new(Time)
1834		now := time.Now().Local()
1835		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1836			start, err := time.ParseInLocation(layout, timestart, now.Location())
1837			if err == nil {
1838				if start.Year() == 0 {
1839					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1840				}
1841				t.StartTime = start
1842				break
1843			}
1844		}
1845		timeend := r.FormValue("timeend")
1846		dur := parseDuration(timeend)
1847		if dur != 0 {
1848			t.Duration = Duration(dur)
1849		}
1850		if !t.StartTime.IsZero() {
1851			honk.What = "event"
1852			honk.Time = t
1853		}
1854	}
1855
1856	if honk.Public {
1857		honk.Whofore = 2
1858	} else {
1859		honk.Whofore = 3
1860	}
1861
1862	// back to markdown
1863	honk.Noise = noise
1864
1865	if r.FormValue("preview") == "preview" {
1866		honks := []*Honk{honk}
1867		reverbolate(userinfo.UserID, honks)
1868		templinfo := getInfo(r)
1869		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1870		templinfo["Honks"] = honks
1871		templinfo["MapLink"] = getmaplink(userinfo)
1872		templinfo["InReplyTo"] = r.FormValue("rid")
1873		templinfo["Noise"] = r.FormValue("noise")
1874		templinfo["SavedFile"] = donkxid
1875		if tm := honk.Time; tm != nil {
1876			templinfo["ShowTime"] = " "
1877			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1878			if tm.Duration != 0 {
1879				templinfo["Duration"] = tm.Duration
1880			}
1881		}
1882		templinfo["IsPreview"] = true
1883		templinfo["UpdateXID"] = updatexid
1884		templinfo["ServerMessage"] = "honk preview"
1885		err := readviews.Execute(w, "honkpage.html", templinfo)
1886		if err != nil {
1887			elog.Print(err)
1888		}
1889		return nil
1890	}
1891
1892	if updatexid != "" {
1893		updatehonk(honk)
1894		oldjonks.Clear(honk.XID)
1895	} else {
1896		err := savehonk(honk)
1897		if err != nil {
1898			elog.Printf("uh oh")
1899			return nil
1900		}
1901	}
1902
1903	// reload for consistency
1904	honk.Donks = nil
1905	donksforhonks([]*Honk{honk})
1906
1907	go honkworldwide(user, honk)
1908
1909	return honk
1910}
1911
1912func showhonkers(w http.ResponseWriter, r *http.Request) {
1913	userinfo := login.GetUserInfo(r)
1914	templinfo := getInfo(r)
1915	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1916	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1917	err := readviews.Execute(w, "honkers.html", templinfo)
1918	if err != nil {
1919		elog.Print(err)
1920	}
1921}
1922
1923func showchatter(w http.ResponseWriter, r *http.Request) {
1924	u := login.GetUserInfo(r)
1925	chatnewnone(u.UserID)
1926	chatter := loadchatter(u.UserID)
1927	for _, chat := range chatter {
1928		for _, ch := range chat.Chonks {
1929			filterchonk(ch)
1930		}
1931	}
1932
1933	templinfo := getInfo(r)
1934	templinfo["Chatter"] = chatter
1935	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1936	err := readviews.Execute(w, "chatter.html", templinfo)
1937	if err != nil {
1938		elog.Print(err)
1939	}
1940}
1941
1942func submitchonk(w http.ResponseWriter, r *http.Request) {
1943	u := login.GetUserInfo(r)
1944	user, _ := butwhatabout(u.Username)
1945	noise := r.FormValue("noise")
1946	target := r.FormValue("target")
1947	format := "markdown"
1948	dt := time.Now().UTC()
1949	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1950
1951	if !strings.HasPrefix(target, "https://") {
1952		target = fullname(target, u.UserID)
1953	}
1954	if target == "" {
1955		http.Error(w, "who is that?", http.StatusInternalServerError)
1956		return
1957	}
1958	ch := Chonk{
1959		UserID: u.UserID,
1960		XID:    xid,
1961		Who:    user.URL,
1962		Target: target,
1963		Date:   dt,
1964		Noise:  noise,
1965		Format: format,
1966	}
1967	d, err := submitdonk(w, r)
1968	if err != nil && err != http.ErrMissingFile {
1969		return
1970	}
1971	if d != nil {
1972		ch.Donks = append(ch.Donks, d)
1973	}
1974
1975	translatechonk(&ch)
1976	savechonk(&ch)
1977	// reload for consistency
1978	ch.Donks = nil
1979	donksforchonks([]*Chonk{&ch})
1980	go sendchonk(user, &ch)
1981
1982	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
1983}
1984
1985var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1986	honkers := gethonkers(userid)
1987	var combos []string
1988	for _, h := range honkers {
1989		combos = append(combos, h.Combos...)
1990	}
1991	for i, c := range combos {
1992		if c == "-" {
1993			combos[i] = ""
1994		}
1995	}
1996	combos = oneofakind(combos)
1997	sort.Strings(combos)
1998	return combos, true
1999}, Invalidator: &honkerinvalidator})
2000
2001func showcombos(w http.ResponseWriter, r *http.Request) {
2002	userinfo := login.GetUserInfo(r)
2003	var combos []string
2004	combocache.Get(userinfo.UserID, &combos)
2005	templinfo := getInfo(r)
2006	err := readviews.Execute(w, "combos.html", templinfo)
2007	if err != nil {
2008		elog.Print(err)
2009	}
2010}
2011
2012func websubmithonker(w http.ResponseWriter, r *http.Request) {
2013	h := submithonker(w, r)
2014	if h == nil {
2015		return
2016	}
2017	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2018}
2019
2020func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2021	u := login.GetUserInfo(r)
2022	user, _ := butwhatabout(u.Username)
2023	name := strings.TrimSpace(r.FormValue("name"))
2024	url := strings.TrimSpace(r.FormValue("url"))
2025	peep := r.FormValue("peep")
2026	combos := strings.TrimSpace(r.FormValue("combos"))
2027	combos = " " + combos + " "
2028	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2029
2030	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2031	if name != "" && !re_namecheck.MatchString(name) {
2032		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2033		return nil
2034	}
2035
2036	var meta HonkerMeta
2037	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2038	mj, _ := jsonify(&meta)
2039
2040	defer honkerinvalidator.Clear(u.UserID)
2041
2042	// mostly dummy, fill in later...
2043	h := &Honker{
2044		ID: honkerid,
2045	}
2046
2047	if honkerid > 0 {
2048		if r.FormValue("delete") == "delete" {
2049			unfollowyou(user, honkerid, false)
2050			stmtDeleteHonker.Exec(honkerid)
2051			return h
2052		}
2053		if r.FormValue("unsub") == "unsub" {
2054			unfollowyou(user, honkerid, false)
2055		}
2056		if r.FormValue("sub") == "sub" {
2057			followyou(user, honkerid, false)
2058		}
2059		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2060		if err != nil {
2061			elog.Printf("update honker err: %s", err)
2062			return nil
2063		}
2064		return h
2065	}
2066
2067	if url == "" {
2068		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2069		return nil
2070	}
2071
2072	flavor := "presub"
2073	if peep == "peep" {
2074		flavor = "peep"
2075	}
2076
2077	var err error
2078	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2079	if err != nil {
2080		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2081		return nil
2082	}
2083	if flavor == "presub" {
2084		followyou(user, honkerid, false)
2085	}
2086	h.ID = honkerid
2087	return h
2088}
2089
2090func hfcspage(w http.ResponseWriter, r *http.Request) {
2091	userinfo := login.GetUserInfo(r)
2092
2093	filters := getfilters(userinfo.UserID, filtAny)
2094
2095	templinfo := getInfo(r)
2096	templinfo["Filters"] = filters
2097	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2098	err := readviews.Execute(w, "hfcs.html", templinfo)
2099	if err != nil {
2100		elog.Print(err)
2101	}
2102}
2103
2104func savehfcs(w http.ResponseWriter, r *http.Request) {
2105	userinfo := login.GetUserInfo(r)
2106	itsok := r.FormValue("itsok")
2107	if itsok == "iforgiveyou" {
2108		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2109		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2110		if err != nil {
2111			elog.Printf("error deleting filter: %s", err)
2112		}
2113		filtInvalidator.Clear(userinfo.UserID)
2114		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2115		return
2116	}
2117
2118	filt := new(Filter)
2119	filt.Name = strings.TrimSpace(r.FormValue("name"))
2120	filt.Date = time.Now().UTC()
2121	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2122	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2123	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2124	filt.IsReply = r.FormValue("isreply") == "yes"
2125	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2126	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2127	filt.Reject = r.FormValue("doreject") == "yes"
2128	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2129	filt.Hide = r.FormValue("dohide") == "yes"
2130	filt.Collapse = r.FormValue("docollapse") == "yes"
2131	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2132	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2133	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2134		filt.Expiration = time.Now().UTC().Add(dur)
2135	}
2136	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2137
2138	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2139		ilog.Printf("blank filter")
2140		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2141		return
2142	}
2143
2144	j, err := jsonify(filt)
2145	if err == nil {
2146		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2147	}
2148	if err != nil {
2149		elog.Printf("error saving filter: %s", err)
2150	}
2151
2152	filtInvalidator.Clear(userinfo.UserID)
2153	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2154}
2155
2156func accountpage(w http.ResponseWriter, r *http.Request) {
2157	u := login.GetUserInfo(r)
2158	user, _ := butwhatabout(u.Username)
2159	templinfo := getInfo(r)
2160	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2161	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2162	templinfo["User"] = user
2163	about := user.About
2164	if ava := user.Options.Avatar; ava != "" {
2165		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2166	}
2167	if ban := user.Options.Banner; ban != "" {
2168		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2169	}
2170	templinfo["WhatAbout"] = about
2171	err := readviews.Execute(w, "account.html", templinfo)
2172	if err != nil {
2173		elog.Print(err)
2174	}
2175}
2176
2177func dochpass(w http.ResponseWriter, r *http.Request) {
2178	err := login.ChangePassword(w, r)
2179	if err != nil {
2180		elog.Printf("error changing password: %s", err)
2181	}
2182	http.Redirect(w, r, "/account", http.StatusSeeOther)
2183}
2184
2185var oldfingers = cache.New(cache.Options{Filler: func(orig string) ([]byte, bool) {
2186	if strings.HasPrefix(orig, "acct:") {
2187		orig = orig[5:]
2188	}
2189	name := orig
2190	idx := strings.LastIndexByte(name, '/')
2191	if idx != -1 {
2192		name = name[idx+1:]
2193		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2194			ilog.Printf("foreign request rejected")
2195			name = ""
2196		}
2197	} else {
2198		idx = strings.IndexByte(name, '@')
2199		if idx != -1 {
2200			name = name[:idx]
2201			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2202				ilog.Printf("foreign request rejected")
2203				name = ""
2204			}
2205		}
2206	}
2207	user, err := butwhatabout(name)
2208	if err != nil {
2209		return nil, false
2210	}
2211
2212	j := junk.New()
2213	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2214	j["aliases"] = []string{user.URL}
2215	l := junk.New()
2216	l["rel"] = "self"
2217	l["type"] = `application/activity+json`
2218	l["href"] = user.URL
2219	j["links"] = []junk.Junk{l}
2220	return j.ToBytes(), true
2221}})
2222
2223func fingerlicker(w http.ResponseWriter, r *http.Request) {
2224	orig := r.FormValue("resource")
2225
2226	dlog.Printf("finger lick: %s", orig)
2227
2228	var j []byte
2229	ok := oldfingers.Get(orig, &j)
2230	if ok {
2231		w.Header().Set("Content-Type", "application/jrd+json")
2232		w.Write(j)
2233	} else {
2234		http.NotFound(w, r)
2235	}
2236}
2237
2238func somedays() string {
2239	secs := 432000 + notrand.Int63n(432000)
2240	return fmt.Sprintf("%d", secs)
2241}
2242
2243func lookatme(ava string) string {
2244	if strings.Contains(ava, serverName+"/"+userSep) {
2245		idx := strings.LastIndexByte(ava, '/')
2246		if idx < len(ava) {
2247			name := ava[idx+1:]
2248			user, _ := butwhatabout(name)
2249			if user != nil && user.URL == ava {
2250				return user.Options.Avatar
2251			}
2252		}
2253	}
2254	return ""
2255}
2256
2257func avatate(w http.ResponseWriter, r *http.Request) {
2258	if develMode {
2259		loadAvatarColors()
2260	}
2261	n := r.FormValue("a")
2262	if redir := lookatme(n); redir != "" {
2263		http.Redirect(w, r, redir, http.StatusSeeOther)
2264		return
2265	}
2266	a := genAvatar(n)
2267	if !develMode {
2268		w.Header().Set("Cache-Control", "max-age="+somedays())
2269	}
2270	w.Write(a)
2271}
2272
2273func serveviewasset(w http.ResponseWriter, r *http.Request) {
2274	serveasset(w, r, viewDir)
2275}
2276func servedataasset(w http.ResponseWriter, r *http.Request) {
2277	if r.URL.Path == "/favicon.ico" {
2278		r.URL.Path = "/icon.png"
2279	}
2280	serveasset(w, r, dataDir)
2281}
2282
2283func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2284	if !develMode {
2285		w.Header().Set("Cache-Control", "max-age=7776000")
2286	}
2287	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2288}
2289func servehelp(w http.ResponseWriter, r *http.Request) {
2290	name := mux.Vars(r)["name"]
2291	if !develMode {
2292		w.Header().Set("Cache-Control", "max-age=3600")
2293	}
2294	http.ServeFile(w, r, viewDir+"/docs/"+name)
2295}
2296func servehtml(w http.ResponseWriter, r *http.Request) {
2297	u := login.GetUserInfo(r)
2298	templinfo := getInfo(r)
2299	templinfo["AboutMsg"] = aboutMsg
2300	templinfo["LoginMsg"] = loginMsg
2301	templinfo["HonkVersion"] = softwareVersion
2302	if r.URL.Path == "/about" {
2303		templinfo["Sensors"] = getSensors()
2304	}
2305	if u == nil && !develMode {
2306		w.Header().Set("Cache-Control", "max-age=60")
2307	}
2308	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2309	if err != nil {
2310		elog.Print(err)
2311	}
2312}
2313func serveemu(w http.ResponseWriter, r *http.Request) {
2314	emu := mux.Vars(r)["emu"]
2315
2316	w.Header().Set("Cache-Control", "max-age="+somedays())
2317	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2318}
2319func servememe(w http.ResponseWriter, r *http.Request) {
2320	meme := mux.Vars(r)["meme"]
2321
2322	w.Header().Set("Cache-Control", "max-age="+somedays())
2323	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2324}
2325
2326func servefile(w http.ResponseWriter, r *http.Request) {
2327	xid := mux.Vars(r)["xid"]
2328	var media string
2329	var data []byte
2330	row := stmtGetFileData.QueryRow(xid)
2331	err := row.Scan(&media, &data)
2332	if err != nil {
2333		elog.Printf("error loading file: %s", err)
2334		http.NotFound(w, r)
2335		return
2336	}
2337	w.Header().Set("Content-Type", media)
2338	w.Header().Set("X-Content-Type-Options", "nosniff")
2339	w.Header().Set("Cache-Control", "max-age="+somedays())
2340	w.Write(data)
2341}
2342
2343func nomoroboto(w http.ResponseWriter, r *http.Request) {
2344	io.WriteString(w, "User-agent: *\n")
2345	io.WriteString(w, "Disallow: /a\n")
2346	io.WriteString(w, "Disallow: /d/\n")
2347	io.WriteString(w, "Disallow: /meme/\n")
2348	io.WriteString(w, "Disallow: /o\n")
2349	io.WriteString(w, "Disallow: /o/\n")
2350	io.WriteString(w, "Disallow: /help/\n")
2351	for _, u := range allusers() {
2352		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2353	}
2354}
2355
2356type Hydration struct {
2357	Tophid    int64
2358	Srvmsg    template.HTML
2359	Honks     string
2360	MeCount   int64
2361	ChatCount int64
2362}
2363
2364func webhydra(w http.ResponseWriter, r *http.Request) {
2365	u := login.GetUserInfo(r)
2366	userid := u.UserID
2367	templinfo := getInfo(r)
2368	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2369	page := r.FormValue("page")
2370
2371	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2372
2373	var hydra Hydration
2374
2375	var honks []*Honk
2376	switch page {
2377	case "atme":
2378		honks = gethonksforme(userid, wanted)
2379		honks = osmosis(honks, userid, false)
2380		menewnone(userid)
2381		hydra.Srvmsg = "at me!"
2382	case "longago":
2383		honks = gethonksfromlongago(userid, wanted)
2384		honks = osmosis(honks, userid, false)
2385		hydra.Srvmsg = "from long ago"
2386	case "home":
2387		honks = gethonksforuser(userid, wanted)
2388		honks = osmosis(honks, userid, true)
2389		hydra.Srvmsg = serverMsg
2390	case "first":
2391		honks = gethonksforuserfirstclass(userid, wanted)
2392		honks = osmosis(honks, userid, true)
2393		hydra.Srvmsg = "first class only"
2394	case "saved":
2395		honks = getsavedhonks(userid, wanted)
2396		templinfo["PageName"] = "saved"
2397		hydra.Srvmsg = "saved honks"
2398	case "combo":
2399		c := r.FormValue("c")
2400		honks = gethonksbycombo(userid, c, wanted)
2401		honks = osmosis(honks, userid, false)
2402		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2403	case "convoy":
2404		c := r.FormValue("c")
2405		honks = gethonksbyconvoy(userid, c, wanted)
2406		honks = osmosis(honks, userid, false)
2407		honks = threadsort(honks)
2408		reversehonks(honks)
2409		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2410	case "honker":
2411		xid := r.FormValue("xid")
2412		honks = gethonksbyxonker(userid, xid, wanted)
2413		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2414			<input type="hidden" name="CSRF" value="%s">
2415			<input type="hidden" name="url" value="%s">
2416			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2417			</form>`, login.GetCSRF("submithonker", r), xid)
2418		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2419		hydra.Srvmsg = msg
2420	case "user":
2421		uname := r.FormValue("uname")
2422		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2423		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2424	default:
2425		http.NotFound(w, r)
2426	}
2427
2428	if len(honks) > 0 {
2429		hydra.Tophid = honks[0].ID
2430	} else {
2431		hydra.Tophid = wanted
2432	}
2433	reverbolate(userid, honks)
2434
2435	user, _ := butwhatabout(u.Username)
2436
2437	var buf strings.Builder
2438	templinfo["Honks"] = honks
2439	templinfo["MapLink"] = getmaplink(u)
2440	templinfo["User"], _ = butwhatabout(u.Username)
2441	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2442	if err != nil {
2443		elog.Printf("frag error: %s", err)
2444		return
2445	}
2446	hydra.Honks = buf.String()
2447	hydra.MeCount = user.Options.MeCount
2448	hydra.ChatCount = user.Options.ChatCount
2449	w.Header().Set("Content-Type", "application/json")
2450	j, _ := jsonify(&hydra)
2451	io.WriteString(w, j)
2452}
2453
2454var honkline = make(chan bool)
2455
2456func honkhonkline() {
2457	for {
2458		select {
2459		case honkline <- true:
2460		default:
2461			return
2462		}
2463	}
2464}
2465
2466func apihandler(w http.ResponseWriter, r *http.Request) {
2467	u := login.GetUserInfo(r)
2468	userid := u.UserID
2469	action := r.FormValue("action")
2470	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2471	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2472	switch action {
2473	case "honk":
2474		h := submithonk(w, r)
2475		if h == nil {
2476			return
2477		}
2478		fmt.Fprintf(w, "%s", h.XID)
2479	case "donk":
2480		d, err := submitdonk(w, r)
2481		if err != nil {
2482			http.Error(w, err.Error(), http.StatusBadRequest)
2483			return
2484		}
2485		if d == nil {
2486			http.Error(w, "missing donk", http.StatusBadRequest)
2487			return
2488		}
2489		w.Write([]byte(d.XID))
2490	case "zonkit":
2491		zonkit(w, r)
2492	case "gethonks":
2493		var honks []*Honk
2494		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2495		page := r.FormValue("page")
2496		var waitchan <-chan time.Time
2497	requery:
2498		switch page {
2499		case "atme":
2500			honks = gethonksforme(userid, wanted)
2501			honks = osmosis(honks, userid, false)
2502			menewnone(userid)
2503		case "longago":
2504			honks = gethonksfromlongago(userid, wanted)
2505			honks = osmosis(honks, userid, false)
2506		case "home":
2507			honks = gethonksforuser(userid, wanted)
2508			honks = osmosis(honks, userid, true)
2509		case "myhonks":
2510			honks = gethonksbyuser(u.Username, true, wanted)
2511			honks = osmosis(honks, userid, true)
2512		default:
2513			http.Error(w, "unknown page", http.StatusNotFound)
2514			return
2515		}
2516		if len(honks) == 0 && wait > 0 {
2517			if waitchan == nil {
2518				waitchan = time.After(time.Duration(wait) * time.Second)
2519			}
2520			select {
2521			case <-honkline:
2522				goto requery
2523			case <-waitchan:
2524			}
2525		}
2526		reverbolate(userid, honks)
2527		j := junk.New()
2528		j["honks"] = honks
2529		j.Write(w)
2530	case "sendactivity":
2531		user, _ := butwhatabout(u.Username)
2532		public := r.FormValue("public") == "1"
2533		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2534		msg := []byte(r.FormValue("msg"))
2535		for rcpt := range rcpts {
2536			go deliverate(userid, rcpt, msg)
2537		}
2538	case "gethonkers":
2539		j := junk.New()
2540		j["honkers"] = gethonkers(u.UserID)
2541		j.Write(w)
2542	case "savehonker":
2543		h := submithonker(w, r)
2544		if h == nil {
2545			return
2546		}
2547		fmt.Fprintf(w, "%d", h.ID)
2548	default:
2549		http.Error(w, "unknown action", http.StatusNotFound)
2550		return
2551	}
2552}
2553
2554func fiveoh(w http.ResponseWriter, r *http.Request) {
2555	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2556	if err != nil {
2557		elog.Printf("error opening violations! %s", err)
2558		return
2559	}
2560	defer fd.Close()
2561	io.Copy(fd, r.Body)
2562	fd.WriteString("\n")
2563}
2564
2565var endoftheworld = make(chan bool)
2566var readyalready = make(chan bool)
2567var workinprogress = 0
2568
2569func enditall() {
2570	sig := make(chan os.Signal, 1)
2571	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
2572	<-sig
2573	ilog.Printf("stopping...")
2574	for i := 0; i < workinprogress; i++ {
2575		endoftheworld <- true
2576	}
2577	ilog.Printf("waiting...")
2578	for i := 0; i < workinprogress; i++ {
2579		<-readyalready
2580	}
2581	ilog.Printf("apocalypse")
2582	os.Exit(0)
2583}
2584
2585var preservehooks []func()
2586
2587func bgmonitor() {
2588	for {
2589		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2590		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2591		if err != nil {
2592			elog.Printf("error deleting old xonkers: %s", err)
2593		}
2594		zaggies.Flush()
2595		time.Sleep(50 * time.Minute)
2596	}
2597}
2598
2599func addcspheaders(next http.Handler) http.Handler {
2600	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2601		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")
2602		next.ServeHTTP(w, r)
2603	})
2604}
2605
2606func emuinit() {
2607	var emunames []string
2608	dir, err := os.Open(dataDir + "/emus")
2609	if err == nil {
2610		emunames, _ = dir.Readdirnames(0)
2611		dir.Close()
2612	}
2613	for _, e := range emunames {
2614		if len(e) <= 4 {
2615			continue
2616		}
2617		ext := e[len(e)-4:]
2618		emu := Emu{
2619			ID:   fmt.Sprintf("/emu/%s", e),
2620			Name: e[:len(e)-4],
2621			Type: "image/" + ext[1:],
2622		}
2623		allemus = append(allemus, emu)
2624	}
2625	sort.Slice(allemus, func(i, j int) bool {
2626		return allemus[i].Name < allemus[j].Name
2627	})
2628}
2629
2630func serve() {
2631	db := opendatabase()
2632	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2633
2634	listener, err := openListener()
2635	if err != nil {
2636		elog.Fatal(err)
2637	}
2638	runBackendServer()
2639	go enditall()
2640	go redeliverator()
2641	go tracker()
2642	go bgmonitor()
2643	loadLingo()
2644	emuinit()
2645
2646	readviews = templates.Load(develMode,
2647		viewDir+"/views/honkpage.html",
2648		viewDir+"/views/honkfrags.html",
2649		viewDir+"/views/honkers.html",
2650		viewDir+"/views/chatter.html",
2651		viewDir+"/views/hfcs.html",
2652		viewDir+"/views/combos.html",
2653		viewDir+"/views/honkform.html",
2654		viewDir+"/views/honk.html",
2655		viewDir+"/views/account.html",
2656		viewDir+"/views/about.html",
2657		viewDir+"/views/funzone.html",
2658		viewDir+"/views/login.html",
2659		viewDir+"/views/xzone.html",
2660		viewDir+"/views/msg.html",
2661		viewDir+"/views/header.html",
2662		viewDir+"/views/onts.html",
2663		viewDir+"/views/emus.html",
2664		viewDir+"/views/honkpage.js",
2665	)
2666	if !develMode {
2667		assets := []string{
2668			viewDir + "/views/style.css",
2669			dataDir + "/views/local.css",
2670			viewDir + "/views/honkpage.js",
2671			dataDir + "/views/local.js",
2672		}
2673		for _, s := range assets {
2674			savedassetparams[s] = getassetparam(s)
2675		}
2676		loadAvatarColors()
2677	}
2678
2679	for _, h := range preservehooks {
2680		h()
2681	}
2682
2683	mux := mux.NewRouter()
2684	mux.Use(addcspheaders)
2685	mux.Use(login.Checker)
2686
2687	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2688
2689	posters := mux.Methods("POST").Subrouter()
2690	getters := mux.Methods("GET").Subrouter()
2691
2692	getters.HandleFunc("/", homepage)
2693	getters.HandleFunc("/home", homepage)
2694	getters.HandleFunc("/front", homepage)
2695	getters.HandleFunc("/events", homepage)
2696	getters.HandleFunc("/robots.txt", nomoroboto)
2697	getters.HandleFunc("/rss", showrss)
2698	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2699	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2700	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2701	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2702	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2703	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2704	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2705	getters.HandleFunc("/a", avatate)
2706	getters.HandleFunc("/o", thelistingoftheontologies)
2707	getters.HandleFunc("/o/{name:.+}", showontology)
2708	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2709	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2710	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2711	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2712
2713	getters.HandleFunc("/flag/{code:.+}", showflag)
2714
2715	getters.HandleFunc("/server", serveractor)
2716	posters.HandleFunc("/server/inbox", serverinbox)
2717	posters.HandleFunc("/inbox", serverinbox)
2718
2719	posters.HandleFunc("/csp-violation", fiveoh)
2720
2721	getters.HandleFunc("/style.css", serveviewasset)
2722	getters.HandleFunc("/honkpage.js", serveviewasset)
2723	getters.HandleFunc("/misc.js", serveviewasset)
2724	getters.HandleFunc("/local.css", servedataasset)
2725	getters.HandleFunc("/local.js", servedataasset)
2726	getters.HandleFunc("/icon.png", servedataasset)
2727	getters.HandleFunc("/favicon.ico", servedataasset)
2728
2729	getters.HandleFunc("/about", servehtml)
2730	getters.HandleFunc("/login", servehtml)
2731	posters.HandleFunc("/dologin", login.LoginFunc)
2732	getters.HandleFunc("/logout", login.LogoutFunc)
2733	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2734
2735	loggedin := mux.NewRoute().Subrouter()
2736	loggedin.Use(login.Required)
2737	loggedin.HandleFunc("/first", homepage)
2738	loggedin.HandleFunc("/chatter", showchatter)
2739	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2740	loggedin.HandleFunc("/saved", homepage)
2741	loggedin.HandleFunc("/account", accountpage)
2742	loggedin.HandleFunc("/funzone", showfunzone)
2743	loggedin.HandleFunc("/chpass", dochpass)
2744	loggedin.HandleFunc("/atme", homepage)
2745	loggedin.HandleFunc("/longago", homepage)
2746	loggedin.HandleFunc("/hfcs", hfcspage)
2747	loggedin.HandleFunc("/xzone", xzone)
2748	loggedin.HandleFunc("/newhonk", newhonkpage)
2749	loggedin.HandleFunc("/edit", edithonkpage)
2750	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2751	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2752	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2753	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2754	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2755	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2756	loggedin.HandleFunc("/honkers", showhonkers)
2757	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2758	loggedin.HandleFunc("/h", showhonker)
2759	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2760	loggedin.HandleFunc("/c", showcombos)
2761	loggedin.HandleFunc("/t", showconvoy)
2762	loggedin.HandleFunc("/q", showsearch)
2763	loggedin.HandleFunc("/hydra", webhydra)
2764	loggedin.HandleFunc("/emus", showemus)
2765	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2766
2767	err = http.Serve(listener, mux)
2768	if err != nil {
2769		elog.Fatal(err)
2770	}
2771}