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