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