all repos — honk @ f996ffa2e5192e0b5bafe058dceefc3e0ff0cc10

my fork of honk

web.go (view raw)

   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["MiscJSParam"] = getassetparam(viewDir + "/views/misc.js")
  85	templinfo["LocalJSParam"] = getassetparam(dataDir + "/views/local.js")
  86	templinfo["ServerName"] = serverName
  87	templinfo["IconName"] = iconName
  88	templinfo["UserSep"] = userSep
  89	if u := login.GetUserInfo(r); u != nil {
  90		templinfo["UserInfo"], _ = butwhatabout(u.Username)
  91		templinfo["UserStyle"] = getuserstyle(u)
  92		var combos []string
  93		combocache.Get(u.UserID, &combos)
  94		templinfo["Combos"] = combos
  95	}
  96	return templinfo
  97}
  98
  99func homepage(w http.ResponseWriter, r *http.Request) {
 100	templinfo := getInfo(r)
 101	u := login.GetUserInfo(r)
 102	var honks []*Honk
 103	var userid int64 = -1
 104
 105	templinfo["ServerMessage"] = serverMsg
 106	if u == nil || r.URL.Path == "/front" {
 107		switch r.URL.Path {
 108		case "/events":
 109			honks = geteventhonks(userid)
 110			templinfo["ServerMessage"] = "some recent and upcoming events"
 111		default:
 112			templinfo["ShowRSS"] = true
 113			honks = getpublichonks()
 114		}
 115	} else {
 116		userid = u.UserID
 117		switch r.URL.Path {
 118		case "/atme":
 119			templinfo["ServerMessage"] = "at me!"
 120			templinfo["PageName"] = "atme"
 121			honks = gethonksforme(userid, 0)
 122			honks = osmosis(honks, userid, false)
 123			menewnone(userid)
 124			templinfo["UserInfo"], _ = butwhatabout(u.Username)
 125		case "/longago":
 126			templinfo["ServerMessage"] = "long ago and far away!"
 127			templinfo["PageName"] = "longago"
 128			honks = gethonksfromlongago(userid, 0)
 129			honks = osmosis(honks, userid, false)
 130		case "/events":
 131			templinfo["ServerMessage"] = "some recent and upcoming events"
 132			templinfo["PageName"] = "events"
 133			honks = geteventhonks(userid)
 134			honks = osmosis(honks, userid, true)
 135		case "/first":
 136			templinfo["PageName"] = "first"
 137			honks = gethonksforuserfirstclass(userid, 0)
 138			honks = osmosis(honks, userid, true)
 139		case "/saved":
 140			templinfo["ServerMessage"] = "saved honks"
 141			templinfo["PageName"] = "saved"
 142			honks = getsavedhonks(userid, 0)
 143		default:
 144			templinfo["PageName"] = "home"
 145			honks = gethonksforuser(userid, 0)
 146			honks = osmosis(honks, userid, true)
 147		}
 148		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 149	}
 150
 151	honkpage(w, u, honks, templinfo)
 152}
 153
 154func showemus(w http.ResponseWriter, r *http.Request) {
 155	templinfo := getInfo(r)
 156	templinfo["Emus"] = allemus
 157	err := readviews.Execute(w, "emus.html", templinfo)
 158	if err != nil {
 159		elog.Print(err)
 160	}
 161}
 162
 163func showfunzone(w http.ResponseWriter, r *http.Request) {
 164	var emunames, memenames []string
 165	emuext := make(map[string]string)
 166	dir, err := os.Open(dataDir + "/emus")
 167	if err == nil {
 168		emunames, _ = dir.Readdirnames(0)
 169		dir.Close()
 170	}
 171	for i, e := range emunames {
 172		if len(e) > 4 {
 173			emunames[i] = e[:len(e)-4]
 174			emuext[emunames[i]] = e[len(e)-4:]
 175		}
 176	}
 177	dir, err = os.Open(dataDir + "/memes")
 178	if err == nil {
 179		memenames, _ = dir.Readdirnames(0)
 180		dir.Close()
 181	}
 182	sort.Strings(emunames)
 183	sort.Strings(memenames)
 184	templinfo := getInfo(r)
 185	templinfo["Emus"] = emunames
 186	templinfo["Emuext"] = emuext
 187	templinfo["Memes"] = memenames
 188	err = readviews.Execute(w, "funzone.html", templinfo)
 189	if err != nil {
 190		elog.Print(err)
 191	}
 192}
 193
 194func showrss(w http.ResponseWriter, r *http.Request) {
 195	name := mux.Vars(r)["name"]
 196
 197	var honks []*Honk
 198	if name != "" {
 199		honks = gethonksbyuser(name, false, 0)
 200	} else {
 201		honks = getpublichonks()
 202	}
 203	reverbolate(-1, honks)
 204
 205	home := fmt.Sprintf("https://%s/", serverName)
 206	base := home
 207	if name != "" {
 208		home += "u/" + name
 209		name += " "
 210	}
 211	feed := rss.Feed{
 212		Title:       name + "honk",
 213		Link:        home,
 214		Description: name + "honk rss",
 215		Image: &rss.Image{
 216			URL:   base + "icon.png",
 217			Title: name + "honk rss",
 218			Link:  home,
 219		},
 220	}
 221	var modtime time.Time
 222	for _, honk := range honks {
 223		if !firstclass(honk) {
 224			continue
 225		}
 226		desc := string(honk.HTML)
 227		if t := honk.Time; t != nil {
 228			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 229			if t.Duration != 0 {
 230				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 231			}
 232		}
 233		if p := honk.Place; p != nil {
 234			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 235				p.Url, p.Name, p.Latitude, p.Longitude))
 236		}
 237		for _, d := range honk.Donks {
 238			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 239				d.URL, d.Desc))
 240			if strings.HasPrefix(d.Media, "image") {
 241				desc += string(templates.Sprintf(`<img src="%s">`, d.URL))
 242			}
 243		}
 244
 245		feed.Items = append(feed.Items, &rss.Item{
 246			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 247			Description: rss.CData{Data: desc},
 248			Link:        honk.URL,
 249			PubDate:     honk.Date.Format(time.RFC1123),
 250			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 251		})
 252		if honk.Date.After(modtime) {
 253			modtime = honk.Date
 254		}
 255	}
 256	if !develMode {
 257		w.Header().Set("Cache-Control", "max-age=300")
 258		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 259	}
 260
 261	err := feed.Write(w)
 262	if err != nil {
 263		elog.Printf("error writing rss: %s", err)
 264	}
 265}
 266
 267func crappola(j junk.Junk) bool {
 268	t, _ := j.GetString("type")
 269	a, _ := j.GetString("actor")
 270	o, _ := j.GetString("object")
 271	if t == "Delete" && a == o {
 272		dlog.Printf("crappola from %s", a)
 273		return true
 274	}
 275	return false
 276}
 277
 278func ping(user *WhatAbout, who string) {
 279	if targ := fullname(who, user.ID); targ != "" {
 280		who = targ
 281	}
 282	if !strings.HasPrefix(who, "https:") {
 283		who = gofish(who)
 284	}
 285	if who == "" {
 286		ilog.Printf("nobody to ping!")
 287		return
 288	}
 289	var box *Box
 290	ok := boxofboxes.Get(who, &box)
 291	if !ok {
 292		ilog.Printf("no inbox to ping %s", who)
 293		return
 294	}
 295	ilog.Printf("sending ping to %s", box.In)
 296	j := junk.New()
 297	j["@context"] = itiswhatitis
 298	j["type"] = "Ping"
 299	j["id"] = user.URL + "/ping/" + xfiltrate()
 300	j["actor"] = user.URL
 301	j["to"] = who
 302	ki := ziggy(user.ID)
 303	if ki == nil {
 304		return
 305	}
 306	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 307	if err != nil {
 308		elog.Printf("can't send ping: %s", err)
 309		return
 310	}
 311	ilog.Printf("sent ping to %s: %s", who, j["id"])
 312}
 313
 314func pong(user *WhatAbout, who string, obj string) {
 315	var box *Box
 316	ok := boxofboxes.Get(who, &box)
 317	if !ok {
 318		ilog.Printf("no inbox to pong %s", who)
 319		return
 320	}
 321	j := junk.New()
 322	j["@context"] = itiswhatitis
 323	j["type"] = "Pong"
 324	j["id"] = user.URL + "/pong/" + xfiltrate()
 325	j["actor"] = user.URL
 326	j["to"] = who
 327	j["object"] = obj
 328	ki := ziggy(user.ID)
 329	if ki == nil {
 330		return
 331	}
 332	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 333	if err != nil {
 334		elog.Printf("can't send pong: %s", err)
 335		return
 336	}
 337}
 338
 339func inbox(w http.ResponseWriter, r *http.Request) {
 340	name := mux.Vars(r)["name"]
 341	user, err := butwhatabout(name)
 342	if err != nil {
 343		http.NotFound(w, r)
 344		return
 345	}
 346	if stealthmode(user.ID, r) {
 347		http.NotFound(w, r)
 348		return
 349	}
 350	var buf bytes.Buffer
 351	limiter := io.LimitReader(r.Body, 1*1024*1024)
 352	io.Copy(&buf, limiter)
 353	payload := buf.Bytes()
 354	j, err := junk.FromBytes(payload)
 355	if err != nil {
 356		ilog.Printf("bad payload: %s", err)
 357		ilog.Writer().Write(payload)
 358		ilog.Writer().Write([]byte{'\n'})
 359		return
 360	}
 361
 362	if crappola(j) {
 363		return
 364	}
 365	what, _ := j.GetString("type")
 366	obj, _ := j.GetString("object")
 367	if what == "Like" || what == "Dislike" || (what == "EmojiReact" && originate(obj) != serverName) {
 368		return
 369	}
 370	who, _ := j.GetString("actor")
 371	if rejectactor(user.ID, who) {
 372		return
 373	}
 374
 375	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 376	if err != nil && keyname != "" {
 377		savingthrow(keyname)
 378		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 379	}
 380	if err != nil {
 381		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 382		if keyname != "" {
 383			ilog.Printf("bad signature from %s", keyname)
 384		}
 385		http.Error(w, "what did you call me?", http.StatusTeapot)
 386		return
 387	}
 388	origin := keymatch(keyname, who)
 389	if origin == "" {
 390		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 391		return
 392	}
 393
 394	switch what {
 395	case "Ping":
 396		id, _ := j.GetString("id")
 397		ilog.Printf("ping from %s: %s", who, id)
 398		pong(user, who, id)
 399	case "Pong":
 400		ilog.Printf("pong from %s: %s", who, obj)
 401	case "Follow":
 402		if obj != user.URL {
 403			ilog.Printf("can't follow %s", obj)
 404			return
 405		}
 406		followme(user, who, who, j)
 407	case "Accept":
 408		followyou2(user, j)
 409	case "Reject":
 410		nofollowyou2(user, j)
 411	case "Update":
 412		obj, ok := j.GetMap("object")
 413		if ok {
 414			what, _ := obj.GetString("type")
 415			switch what {
 416			case "Service":
 417				fallthrough
 418			case "Person":
 419				return
 420			case "Question":
 421				return
 422			}
 423		}
 424		go xonksaver(user, j, origin)
 425	case "Undo":
 426		obj, ok := j.GetMap("object")
 427		if !ok {
 428			folxid, ok := j.GetString("object")
 429			if ok && originate(folxid) == origin {
 430				unfollowme(user, "", "", j)
 431			}
 432			return
 433		}
 434		what, _ := obj.GetString("type")
 435		switch what {
 436		case "Follow":
 437			unfollowme(user, who, who, j)
 438		case "Announce":
 439			xid, _ := obj.GetString("object")
 440			dlog.Printf("undo announce: %s", xid)
 441		case "Like":
 442		default:
 443			ilog.Printf("unknown undo: %s", what)
 444		}
 445	case "EmojiReact":
 446		obj, ok := j.GetString("object")
 447		if ok {
 448			content, _ := j.GetString("content")
 449			addreaction(user, obj, who, content)
 450		}
 451	default:
 452		go saveandcheck(user, j, origin)
 453	}
 454}
 455
 456func saveandcheck(user *WhatAbout, j junk.Junk, origin string) {
 457	xonk := xonksaver(user, j, origin)
 458	if xonk == nil {
 459		return
 460	}
 461	if sname := shortname(user.ID, xonk.Honker); sname == "" {
 462		dlog.Printf("received unexpected activity from %s", xonk.Honker)
 463		if xonk.Whofore == 0 {
 464			dlog.Printf("it's not even for me!")
 465		}
 466	}
 467}
 468
 469func serverinbox(w http.ResponseWriter, r *http.Request) {
 470	user := getserveruser()
 471	if stealthmode(user.ID, r) {
 472		http.NotFound(w, r)
 473		return
 474	}
 475	var buf bytes.Buffer
 476	io.Copy(&buf, r.Body)
 477	payload := buf.Bytes()
 478	j, err := junk.FromBytes(payload)
 479	if err != nil {
 480		ilog.Printf("bad payload: %s", err)
 481		ilog.Writer().Write(payload)
 482		ilog.Writer().Write([]byte{'\n'})
 483		return
 484	}
 485	if crappola(j) {
 486		return
 487	}
 488	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 489	if err != nil && keyname != "" {
 490		savingthrow(keyname)
 491		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 492	}
 493	if err != nil {
 494		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 495		if keyname != "" {
 496			ilog.Printf("bad signature from %s", keyname)
 497		}
 498		http.Error(w, "what did you call me?", http.StatusTeapot)
 499		return
 500	}
 501	who, _ := j.GetString("actor")
 502	origin := keymatch(keyname, who)
 503	if origin == "" {
 504		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 505		return
 506	}
 507	if rejectactor(user.ID, who) {
 508		return
 509	}
 510	re_ont := regexp.MustCompile("https://" + serverName + "/o/([\\pL[:digit:]]+)")
 511	what, _ := j.GetString("type")
 512	dlog.Printf("server got a %s", what)
 513	switch what {
 514	case "Follow":
 515		obj, _ := j.GetString("object")
 516		if obj == user.URL {
 517			ilog.Printf("can't follow the server!")
 518			return
 519		}
 520		m := re_ont.FindStringSubmatch(obj)
 521		if len(m) != 2 {
 522			ilog.Printf("not sure how to handle this")
 523			return
 524		}
 525		ont := "#" + m[1]
 526
 527		followme(user, who, ont, j)
 528	case "Undo":
 529		obj, ok := j.GetMap("object")
 530		if !ok {
 531			ilog.Printf("unknown undo no object")
 532			return
 533		}
 534		what, _ := obj.GetString("type")
 535		if what != "Follow" {
 536			ilog.Printf("unknown undo: %s", what)
 537			return
 538		}
 539		targ, _ := obj.GetString("object")
 540		m := re_ont.FindStringSubmatch(targ)
 541		if len(m) != 2 {
 542			ilog.Printf("not sure how to handle this")
 543			return
 544		}
 545		ont := "#" + m[1]
 546		unfollowme(user, who, ont, j)
 547	default:
 548		ilog.Printf("unhandled server activity: %s", what)
 549		dumpactivity(j)
 550	}
 551}
 552
 553func serveractor(w http.ResponseWriter, r *http.Request) {
 554	user := getserveruser()
 555	if stealthmode(user.ID, r) {
 556		http.NotFound(w, r)
 557		return
 558	}
 559	j := junkuser(user)
 560	j.Write(w)
 561}
 562
 563func ximport(w http.ResponseWriter, r *http.Request) {
 564	u := login.GetUserInfo(r)
 565	xid := strings.TrimSpace(r.FormValue("q"))
 566	xonk := getxonk(u.UserID, xid)
 567	if xonk == nil {
 568		p, _ := investigate(xid)
 569		if p != nil {
 570			xid = p.XID
 571		}
 572		j, err := GetJunk(u.UserID, xid)
 573		if err != nil {
 574			http.Error(w, "error getting external object", http.StatusInternalServerError)
 575			ilog.Printf("error getting external object: %s", err)
 576			return
 577		}
 578		allinjest(originate(xid), j)
 579		dlog.Printf("importing %s", xid)
 580		user, _ := butwhatabout(u.Username)
 581
 582		info, _ := somethingabout(j)
 583		if info == nil {
 584			xonk = xonksaver(user, j, originate(xid))
 585		} else if info.What == SomeActor {
 586			outbox, _ := j.GetString("outbox")
 587			gimmexonks(user, outbox)
 588			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 589			return
 590		} else if info.What == SomeCollection {
 591			gimmexonks(user, xid)
 592			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 593			return
 594		}
 595	}
 596	convoy := ""
 597	if xonk != nil {
 598		convoy = xonk.Convoy
 599	}
 600	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 601}
 602
 603func xzone(w http.ResponseWriter, r *http.Request) {
 604	u := login.GetUserInfo(r)
 605	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 606	if err != nil {
 607		elog.Printf("query err: %s", err)
 608		return
 609	}
 610	defer rows.Close()
 611	var honkers []Honker
 612	for rows.Next() {
 613		var xid string
 614		rows.Scan(&xid)
 615		honkers = append(honkers, Honker{XID: xid})
 616	}
 617	rows.Close()
 618	for i := range honkers {
 619		_, honkers[i].Handle = handles(honkers[i].XID)
 620	}
 621	templinfo := getInfo(r)
 622	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 623	templinfo["Honkers"] = honkers
 624	err = readviews.Execute(w, "xzone.html", templinfo)
 625	if err != nil {
 626		elog.Print(err)
 627	}
 628}
 629
 630var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 631	user, err := butwhatabout(name)
 632	if err != nil {
 633		return nil, false
 634	}
 635	honks := gethonksbyuser(name, false, 0)
 636	if len(honks) > 20 {
 637		honks = honks[0:20]
 638	}
 639
 640	var jonks []junk.Junk
 641	for _, h := range honks {
 642		j, _ := jonkjonk(user, h)
 643		jonks = append(jonks, j)
 644	}
 645
 646	j := junk.New()
 647	j["@context"] = itiswhatitis
 648	j["id"] = user.URL + "/outbox"
 649	j["attributedTo"] = user.URL
 650	j["type"] = "OrderedCollection"
 651	j["totalItems"] = len(jonks)
 652	j["orderedItems"] = jonks
 653
 654	return j.ToBytes(), true
 655}, Duration: 1 * time.Minute})
 656
 657func outbox(w http.ResponseWriter, r *http.Request) {
 658	name := mux.Vars(r)["name"]
 659	user, err := butwhatabout(name)
 660	if err != nil {
 661		http.NotFound(w, r)
 662		return
 663	}
 664	if stealthmode(user.ID, r) {
 665		http.NotFound(w, r)
 666		return
 667	}
 668	var j []byte
 669	ok := oldoutbox.Get(name, &j)
 670	if ok {
 671		w.Header().Set("Content-Type", theonetruename)
 672		w.Write(j)
 673	} else {
 674		http.NotFound(w, r)
 675	}
 676}
 677
 678var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 679	colname := "/followers"
 680	if strings.HasSuffix(url, "/following") {
 681		colname = "/following"
 682	}
 683	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 684	j := junk.New()
 685	j["@context"] = itiswhatitis
 686	j["id"] = user + colname
 687	j["attributedTo"] = user
 688	j["type"] = "OrderedCollection"
 689	j["totalItems"] = 0
 690	j["orderedItems"] = []junk.Junk{}
 691
 692	return j.ToBytes(), true
 693}})
 694
 695func emptiness(w http.ResponseWriter, r *http.Request) {
 696	name := mux.Vars(r)["name"]
 697	user, err := butwhatabout(name)
 698	if err != nil {
 699		http.NotFound(w, r)
 700		return
 701	}
 702	if stealthmode(user.ID, r) {
 703		http.NotFound(w, r)
 704		return
 705	}
 706	var j []byte
 707	ok := oldempties.Get(r.URL.Path, &j)
 708	if ok {
 709		w.Header().Set("Content-Type", theonetruename)
 710		w.Write(j)
 711	} else {
 712		http.NotFound(w, r)
 713	}
 714}
 715
 716func showuser(w http.ResponseWriter, r *http.Request) {
 717	name := mux.Vars(r)["name"]
 718	user, err := butwhatabout(name)
 719	if err != nil {
 720		ilog.Printf("user not found %s: %s", name, err)
 721		http.NotFound(w, r)
 722		return
 723	}
 724	if stealthmode(user.ID, r) {
 725		http.NotFound(w, r)
 726		return
 727	}
 728	if friendorfoe(r.Header.Get("Accept")) {
 729		j, ok := asjonker(name)
 730		if ok {
 731			w.Header().Set("Content-Type", theonetruename)
 732			w.Write(j)
 733		} else {
 734			http.NotFound(w, r)
 735		}
 736		return
 737	}
 738	u := login.GetUserInfo(r)
 739	if u != nil && u.Username != name {
 740		u = nil
 741	}
 742	honks := gethonksbyuser(name, u != nil, 0)
 743	templinfo := getInfo(r)
 744	templinfo["PageName"] = "user"
 745	templinfo["PageArg"] = name
 746	templinfo["Name"] = user.Name
 747	templinfo["WhatAbout"] = user.HTAbout
 748	templinfo["ServerMessage"] = ""
 749	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", user.URL)
 750	if u != nil {
 751		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 752	}
 753	honkpage(w, u, honks, templinfo)
 754}
 755
 756func showhonker(w http.ResponseWriter, r *http.Request) {
 757	u := login.GetUserInfo(r)
 758	name := mux.Vars(r)["name"]
 759	var honks []*Honk
 760	if name == "" {
 761		name = r.FormValue("xid")
 762		honks = gethonksbyxonker(u.UserID, name, 0)
 763	} else {
 764		honks = gethonksbyhonker(u.UserID, name, 0)
 765	}
 766	miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
 767<input type="hidden" name="CSRF" value="%s">
 768<input type="hidden" name="url" value="%s">
 769<button tabindex=1 name="add honker" value="add honker">add honker</button>
 770</form>`, login.GetCSRF("submithonker", r), name)
 771	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, name, name, miniform)
 772	templinfo := getInfo(r)
 773	templinfo["PageName"] = "honker"
 774	templinfo["PageArg"] = name
 775	templinfo["ServerMessage"] = msg
 776	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 777	honkpage(w, u, honks, templinfo)
 778}
 779
 780func showcombo(w http.ResponseWriter, r *http.Request) {
 781	name := mux.Vars(r)["name"]
 782	u := login.GetUserInfo(r)
 783	honks := gethonksbycombo(u.UserID, name, 0)
 784	honks = osmosis(honks, u.UserID, true)
 785	templinfo := getInfo(r)
 786	templinfo["PageName"] = "combo"
 787	templinfo["PageArg"] = name
 788	templinfo["ServerMessage"] = "honks by combo: " + name
 789	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 790	honkpage(w, u, honks, templinfo)
 791}
 792func showconvoy(w http.ResponseWriter, r *http.Request) {
 793	c := r.FormValue("c")
 794	u := login.GetUserInfo(r)
 795	honks := gethonksbyconvoy(u.UserID, c, 0)
 796	templinfo := getInfo(r)
 797	if len(honks) > 0 {
 798		templinfo["TopHID"] = honks[0].ID
 799	}
 800	honks = osmosis(honks, u.UserID, false)
 801	//reversehonks(honks)
 802	honks = threadsort(honks)
 803	templinfo["PageName"] = "convoy"
 804	templinfo["PageArg"] = c
 805	templinfo["ServerMessage"] = "honks in convoy: " + c
 806	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 807	honkpage(w, u, honks, templinfo)
 808}
 809func showsearch(w http.ResponseWriter, r *http.Request) {
 810	q := r.FormValue("q")
 811	if strings.HasPrefix(q, "https://") {
 812		ximport(w, r)
 813		return
 814	}
 815	u := login.GetUserInfo(r)
 816	honks := gethonksbysearch(u.UserID, q, 0)
 817	templinfo := getInfo(r)
 818	templinfo["PageName"] = "search"
 819	templinfo["PageArg"] = q
 820	templinfo["ServerMessage"] = "honks for search: " + q
 821	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 822	honkpage(w, u, honks, templinfo)
 823}
 824func showontology(w http.ResponseWriter, r *http.Request) {
 825	name := mux.Vars(r)["name"]
 826	u := login.GetUserInfo(r)
 827	var userid int64 = -1
 828	if u != nil {
 829		userid = u.UserID
 830	}
 831	honks := gethonksbyontology(userid, "#"+name, 0)
 832	if friendorfoe(r.Header.Get("Accept")) {
 833		if len(honks) > 40 {
 834			honks = honks[0:40]
 835		}
 836
 837		var xids []string
 838		for _, h := range honks {
 839			xids = append(xids, h.XID)
 840		}
 841
 842		user := getserveruser()
 843
 844		j := junk.New()
 845		j["@context"] = itiswhatitis
 846		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 847		j["name"] = "#" + name
 848		j["attributedTo"] = user.URL
 849		j["type"] = "OrderedCollection"
 850		j["totalItems"] = len(xids)
 851		j["orderedItems"] = xids
 852
 853		j.Write(w)
 854		return
 855	}
 856
 857	templinfo := getInfo(r)
 858	templinfo["ServerMessage"] = "honks by ontology: " + name
 859	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 860	honkpage(w, u, honks, templinfo)
 861}
 862
 863type Ont struct {
 864	Name  string
 865	Count int64
 866}
 867
 868func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 869	u := login.GetUserInfo(r)
 870	var userid int64 = -1
 871	if u != nil {
 872		userid = u.UserID
 873	}
 874	rows, err := stmtAllOnts.Query(userid)
 875	if err != nil {
 876		elog.Printf("selection error: %s", err)
 877		return
 878	}
 879	defer rows.Close()
 880	var onts []Ont
 881	for rows.Next() {
 882		var o Ont
 883		err := rows.Scan(&o.Name, &o.Count)
 884		if err != nil {
 885			elog.Printf("error scanning ont: %s", err)
 886			continue
 887		}
 888		if utf8.RuneCountInString(o.Name) > 24 {
 889			continue
 890		}
 891		o.Name = o.Name[1:]
 892		onts = append(onts, o)
 893	}
 894	sort.Slice(onts, func(i, j int) bool {
 895		return onts[i].Name < onts[j].Name
 896	})
 897	if u == nil && !develMode {
 898		w.Header().Set("Cache-Control", "max-age=300")
 899	}
 900	templinfo := getInfo(r)
 901	templinfo["Onts"] = onts
 902	templinfo["FirstRune"] = func(s string) rune { r, _ := utf8.DecodeRuneInString(s); return r }
 903	err = readviews.Execute(w, "onts.html", templinfo)
 904	if err != nil {
 905		elog.Print(err)
 906	}
 907}
 908
 909type Track struct {
 910	xid string
 911	who string
 912}
 913
 914func getbacktracks(xid string) []string {
 915	c := make(chan bool)
 916	dumptracks <- c
 917	<-c
 918	row := stmtGetTracks.QueryRow(xid)
 919	var rawtracks string
 920	err := row.Scan(&rawtracks)
 921	if err != nil {
 922		if err != sql.ErrNoRows {
 923			elog.Printf("error scanning tracks: %s", err)
 924		}
 925		return nil
 926	}
 927	var rcpts []string
 928	for _, f := range strings.Split(rawtracks, " ") {
 929		idx := strings.LastIndexByte(f, '#')
 930		if idx != -1 {
 931			f = f[:idx]
 932		}
 933		if !strings.HasPrefix(f, "https://") {
 934			f = fmt.Sprintf("%%https://%s/inbox", f)
 935		}
 936		rcpts = append(rcpts, f)
 937	}
 938	return rcpts
 939}
 940
 941func savetracks(tracks map[string][]string) {
 942	db := opendatabase()
 943	tx, err := db.Begin()
 944	if err != nil {
 945		elog.Printf("savetracks begin error: %s", err)
 946		return
 947	}
 948	defer func() {
 949		err := tx.Commit()
 950		if err != nil {
 951			elog.Printf("savetracks commit error: %s", err)
 952		}
 953
 954	}()
 955	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
 956	if err != nil {
 957		elog.Printf("savetracks error: %s", err)
 958		return
 959	}
 960	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
 961	if err != nil {
 962		elog.Printf("savetracks error: %s", err)
 963		return
 964	}
 965	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
 966	if err != nil {
 967		elog.Printf("savetracks error: %s", err)
 968		return
 969	}
 970	count := 0
 971	for xid, f := range tracks {
 972		count += len(f)
 973		var prev string
 974		row := stmtGetTracks.QueryRow(xid)
 975		err := row.Scan(&prev)
 976		if err == sql.ErrNoRows {
 977			f = oneofakind(f)
 978			stmtNewTracks.Exec(xid, strings.Join(f, " "))
 979		} else if err == nil {
 980			all := append(strings.Split(prev, " "), f...)
 981			all = oneofakind(all)
 982			stmtUpdateTracks.Exec(strings.Join(all, " "))
 983		} else {
 984			elog.Printf("savetracks error: %s", err)
 985		}
 986	}
 987	dlog.Printf("saved %d new fetches", count)
 988}
 989
 990var trackchan = make(chan Track)
 991var dumptracks = make(chan chan bool)
 992
 993func tracker() {
 994	timeout := 4 * time.Minute
 995	sleeper := time.NewTimer(timeout)
 996	tracks := make(map[string][]string)
 997	workinprogress++
 998	for {
 999		select {
1000		case track := <-trackchan:
1001			tracks[track.xid] = append(tracks[track.xid], track.who)
1002		case <-sleeper.C:
1003			if len(tracks) > 0 {
1004				go savetracks(tracks)
1005				tracks = make(map[string][]string)
1006			}
1007			sleeper.Reset(timeout)
1008		case c := <-dumptracks:
1009			if len(tracks) > 0 {
1010				savetracks(tracks)
1011			}
1012			c <- true
1013		case <-endoftheworld:
1014			if len(tracks) > 0 {
1015				savetracks(tracks)
1016			}
1017			readyalready <- true
1018			return
1019		}
1020	}
1021}
1022
1023var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1024
1025func trackback(xid string, r *http.Request) {
1026	agent := r.UserAgent()
1027	who := originate(agent)
1028	sig := r.Header.Get("Signature")
1029	if sig != "" {
1030		m := re_keyholder.FindStringSubmatch(sig)
1031		if len(m) == 2 {
1032			who = m[1]
1033		}
1034	}
1035	if who != "" {
1036		trackchan <- Track{xid: xid, who: who}
1037	}
1038}
1039
1040func sameperson(h1, h2 *Honk) bool {
1041	n1, n2 := h1.Honker, h2.Honker
1042	if h1.Oonker != "" {
1043		n1 = h1.Oonker
1044	}
1045	if h2.Oonker != "" {
1046		n2 = h2.Oonker
1047	}
1048	return n1 == n2
1049}
1050
1051func threadsort(honks []*Honk) []*Honk {
1052	sort.Slice(honks, func(i, j int) bool {
1053		return honks[i].Date.Before(honks[j].Date)
1054	})
1055	honkx := make(map[string]*Honk)
1056	kids := make(map[string][]*Honk)
1057	for _, h := range honks {
1058		honkx[h.XID] = h
1059		rid := h.RID
1060		kids[rid] = append(kids[rid], h)
1061	}
1062	done := make(map[*Honk]bool)
1063	var thread []*Honk
1064	var nextlevel func(p *Honk)
1065	level := 0
1066	nextlevel = func(p *Honk) {
1067		levelup := level < 4
1068		if pp := honkx[p.RID]; p.RID == "" || (pp != nil && sameperson(p, pp)) {
1069			levelup = false
1070		}
1071		if level > 0 && len(kids[p.RID]) == 1 {
1072			if pp := honkx[p.RID]; pp != nil && len(kids[pp.RID]) == 1 {
1073				levelup = false
1074			}
1075		}
1076		if levelup {
1077			level++
1078		}
1079		p.Style += fmt.Sprintf(" level%d", level)
1080		childs := kids[p.XID]
1081		if false {
1082			sort.SliceStable(childs, func(i, j int) bool {
1083				return sameperson(childs[i], p) && !sameperson(childs[j], p)
1084			})
1085		}
1086		if true {
1087			sort.SliceStable(childs, func(i, j int) bool {
1088				return !sameperson(childs[i], p) && sameperson(childs[j], p)
1089			})
1090		}
1091		for _, h := range childs {
1092			if !done[h] {
1093				done[h] = true
1094				thread = append(thread, h)
1095				nextlevel(h)
1096			}
1097		}
1098		if levelup {
1099			level--
1100		}
1101	}
1102	for _, h := range honks {
1103		if !done[h] && h.RID == "" {
1104			done[h] = true
1105			thread = append(thread, h)
1106			nextlevel(h)
1107		}
1108	}
1109	for _, h := range honks {
1110		if !done[h] {
1111			done[h] = true
1112			thread = append(thread, h)
1113			nextlevel(h)
1114		}
1115	}
1116	return thread
1117}
1118
1119func honkology(honk *Honk) template.HTML {
1120	var user *WhatAbout
1121	ok := somenumberedusers.Get(honk.UserID, &user)
1122	if !ok {
1123		return ""
1124	}
1125	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1126	imgurl := avatarURL(user)
1127	for _, d := range honk.Donks {
1128		if d.Local && strings.HasPrefix(d.Media, "image") {
1129			imgurl = d.URL
1130			break
1131		}
1132	}
1133	short := honk.Noise
1134	if len(short) > 160 {
1135		short = short[0:160] + "..."
1136	}
1137	return templates.Sprintf(
1138		`<meta property="og:title" content="%s" />
1139<meta property="og:type" content="article" />
1140<meta property="article:author" content="%s" />
1141<meta property="og:url" content="%s" />
1142<meta property="og:image" content="%s" />
1143<meta property="og:description" content="%s" />`,
1144		title, user.URL, honk.XID, imgurl, short)
1145}
1146
1147func showonehonk(w http.ResponseWriter, r *http.Request) {
1148	name := mux.Vars(r)["name"]
1149	user, err := butwhatabout(name)
1150	if err != nil {
1151		http.NotFound(w, r)
1152		return
1153	}
1154	if stealthmode(user.ID, r) {
1155		http.NotFound(w, r)
1156		return
1157	}
1158	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1159
1160	if friendorfoe(r.Header.Get("Accept")) {
1161		j, ok := gimmejonk(xid)
1162		if ok {
1163			trackback(xid, r)
1164			w.Header().Set("Content-Type", theonetruename)
1165			w.Write(j)
1166		} else {
1167			http.NotFound(w, r)
1168		}
1169		return
1170	}
1171	honk := getxonk(user.ID, xid)
1172	if honk == nil {
1173		http.NotFound(w, r)
1174		return
1175	}
1176	u := login.GetUserInfo(r)
1177	if u != nil && u.UserID != user.ID {
1178		u = nil
1179	}
1180	if !honk.Public {
1181		if u == nil {
1182			http.NotFound(w, r)
1183			return
1184
1185		}
1186		honks := []*Honk{honk}
1187		donksforhonks(honks)
1188		templinfo := getInfo(r)
1189		templinfo["ServerMessage"] = "one honk maybe more"
1190		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1191		honkpage(w, u, honks, templinfo)
1192		return
1193	}
1194
1195	templinfo := getInfo(r)
1196	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1197	//reversehonks(rawhonks)
1198	rawhonks = threadsort(rawhonks)
1199	var honks []*Honk
1200	for _, h := range rawhonks {
1201		if h.XID == xid {
1202			templinfo["Honkology"] = honkology(h)
1203			if len(honks) != 0 {
1204				h.Style += " glow"
1205			}
1206		}
1207		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1208			honks = append(honks, h)
1209		}
1210	}
1211
1212	templinfo["ServerMessage"] = "one honk maybe more"
1213	if u != nil {
1214		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1215	}
1216	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1217	honkpage(w, u, honks, templinfo)
1218}
1219
1220func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1221	var userid int64 = -1
1222	if u != nil {
1223		userid = u.UserID
1224		templinfo["User"], _ = butwhatabout(u.Username)
1225	}
1226	reverbolate(userid, honks)
1227	templinfo["Honks"] = honks
1228	templinfo["MapLink"] = getmaplink(u)
1229	if templinfo["TopHID"] == nil {
1230		if len(honks) > 0 {
1231			templinfo["TopHID"] = honks[0].ID
1232		} else {
1233			templinfo["TopHID"] = 0
1234		}
1235	}
1236	if u == nil && !develMode {
1237		w.Header().Set("Cache-Control", "max-age=60")
1238	}
1239	err := readviews.Execute(w, "honkpage.html", templinfo)
1240	if err != nil {
1241		elog.Print(err)
1242	}
1243}
1244
1245func saveuser(w http.ResponseWriter, r *http.Request) {
1246	whatabout := r.FormValue("whatabout")
1247	whatabout = strings.Replace(whatabout, "\r", "", -1)
1248	u := login.GetUserInfo(r)
1249	user, _ := butwhatabout(u.Username)
1250	db := opendatabase()
1251
1252	options := user.Options
1253	if r.FormValue("skinny") == "skinny" {
1254		options.SkinnyCSS = true
1255	} else {
1256		options.SkinnyCSS = false
1257	}
1258	if r.FormValue("omitimages") == "omitimages" {
1259		options.OmitImages = true
1260	} else {
1261		options.OmitImages = false
1262	}
1263	if r.FormValue("mentionall") == "mentionall" {
1264		options.MentionAll = true
1265	} else {
1266		options.MentionAll = false
1267	}
1268	if r.FormValue("inlineqts") == "inlineqts" {
1269		options.InlineQuotes = true
1270	} else {
1271		options.InlineQuotes = false
1272	}
1273	if r.FormValue("maps") == "apple" {
1274		options.MapLink = "apple"
1275	} else {
1276		options.MapLink = ""
1277	}
1278	options.Reaction = r.FormValue("reaction")
1279
1280	sendupdate := false
1281	ava := re_avatar.FindString(whatabout)
1282	if ava != "" {
1283		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1284		ava = ava[7:]
1285		if ava[0] == ' ' {
1286			ava = ava[1:]
1287		}
1288		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1289	}
1290	if ava != options.Avatar {
1291		options.Avatar = ava
1292		sendupdate = true
1293	}
1294	ban := re_banner.FindString(whatabout)
1295	if ban != "" {
1296		whatabout = re_banner.ReplaceAllString(whatabout, "")
1297		ban = ban[7:]
1298		if ban[0] == ' ' {
1299			ban = ban[1:]
1300		}
1301		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1302	}
1303	if ban != options.Banner {
1304		options.Banner = ban
1305		sendupdate = true
1306	}
1307	whatabout = strings.TrimSpace(whatabout)
1308	if whatabout != user.About {
1309		sendupdate = true
1310	}
1311	j, err := jsonify(options)
1312	if err == nil {
1313		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1314	}
1315	if err != nil {
1316		elog.Printf("error bouting what: %s", err)
1317	}
1318	somenamedusers.Clear(u.Username)
1319	somenumberedusers.Clear(u.UserID)
1320	oldjonkers.Clear(u.Username)
1321
1322	if sendupdate {
1323		updateMe(u.Username)
1324	}
1325
1326	http.Redirect(w, r, "/account", http.StatusSeeOther)
1327}
1328
1329func bonkit(xid string, user *WhatAbout) {
1330	dlog.Printf("bonking %s", xid)
1331
1332	xonk := getxonk(user.ID, xid)
1333	if xonk == nil {
1334		return
1335	}
1336	if !xonk.Public {
1337		return
1338	}
1339	if xonk.IsBonked() {
1340		return
1341	}
1342	donksforhonks([]*Honk{xonk})
1343
1344	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1345	if err != nil {
1346		elog.Printf("error acking bonk: %s", err)
1347	}
1348
1349	oonker := xonk.Oonker
1350	if oonker == "" {
1351		oonker = xonk.Honker
1352	}
1353	dt := time.Now().UTC()
1354	bonk := &Honk{
1355		UserID:   user.ID,
1356		Username: user.Name,
1357		What:     "bonk",
1358		Honker:   user.URL,
1359		Oonker:   oonker,
1360		XID:      xonk.XID,
1361		RID:      xonk.RID,
1362		Noise:    xonk.Noise,
1363		Precis:   xonk.Precis,
1364		URL:      xonk.URL,
1365		Date:     dt,
1366		Donks:    xonk.Donks,
1367		Whofore:  2,
1368		Convoy:   xonk.Convoy,
1369		Audience: []string{thewholeworld, oonker},
1370		Public:   true,
1371		Format:   xonk.Format,
1372		Place:    xonk.Place,
1373		Onts:     xonk.Onts,
1374		Time:     xonk.Time,
1375	}
1376
1377	err = savehonk(bonk)
1378	if err != nil {
1379		elog.Printf("uh oh")
1380		return
1381	}
1382
1383	go honkworldwide(user, bonk)
1384}
1385
1386func submitbonk(w http.ResponseWriter, r *http.Request) {
1387	xid := r.FormValue("xid")
1388	userinfo := login.GetUserInfo(r)
1389	user, _ := butwhatabout(userinfo.Username)
1390
1391	bonkit(xid, user)
1392
1393	if r.FormValue("js") != "1" {
1394		templinfo := getInfo(r)
1395		templinfo["ServerMessage"] = "Bonked!"
1396		err := readviews.Execute(w, "msg.html", templinfo)
1397		if err != nil {
1398			elog.Print(err)
1399		}
1400	}
1401}
1402
1403func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1404	zonk := &Honk{
1405		What:     what,
1406		XID:      xonk.XID,
1407		Date:     time.Now().UTC(),
1408		Audience: oneofakind(xonk.Audience),
1409		Noise:    aux,
1410	}
1411	zonk.Public = loudandproud(zonk.Audience)
1412
1413	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1414	go honkworldwide(user, zonk)
1415}
1416
1417func zonkit(w http.ResponseWriter, r *http.Request) {
1418	wherefore := r.FormValue("wherefore")
1419	what := r.FormValue("what")
1420	userinfo := login.GetUserInfo(r)
1421	user, _ := butwhatabout(userinfo.Username)
1422
1423	if wherefore == "save" {
1424		xonk := getxonk(userinfo.UserID, what)
1425		if xonk != nil {
1426			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1427			if err != nil {
1428				elog.Printf("error saving: %s", err)
1429			}
1430		}
1431		return
1432	}
1433
1434	if wherefore == "unsave" {
1435		xonk := getxonk(userinfo.UserID, what)
1436		if xonk != nil {
1437			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1438			if err != nil {
1439				elog.Printf("error unsaving: %s", err)
1440			}
1441		}
1442		return
1443	}
1444
1445	if wherefore == "react" {
1446		reaction := user.Options.Reaction
1447		if r2 := r.FormValue("reaction"); r2 != "" {
1448			reaction = r2
1449		}
1450		if reaction == "none" {
1451			return
1452		}
1453		xonk := getxonk(userinfo.UserID, what)
1454		if xonk != nil {
1455			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1456			if err != nil {
1457				elog.Printf("error saving: %s", err)
1458			}
1459			sendzonkofsorts(xonk, user, "react", reaction)
1460		}
1461		return
1462	}
1463
1464	// my hammer is too big, oh well
1465	defer oldjonks.Flush()
1466
1467	if wherefore == "ack" {
1468		xonk := getxonk(userinfo.UserID, what)
1469		if xonk != nil && !xonk.IsAcked() {
1470			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1471			if err != nil {
1472				elog.Printf("error acking: %s", err)
1473			}
1474			sendzonkofsorts(xonk, user, "ack", "")
1475		}
1476		return
1477	}
1478
1479	if wherefore == "deack" {
1480		xonk := getxonk(userinfo.UserID, what)
1481		if xonk != nil && xonk.IsAcked() {
1482			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1483			if err != nil {
1484				elog.Printf("error deacking: %s", err)
1485			}
1486			sendzonkofsorts(xonk, user, "deack", "")
1487		}
1488		return
1489	}
1490
1491	if wherefore == "bonk" {
1492		user, _ := butwhatabout(userinfo.Username)
1493		bonkit(what, user)
1494		return
1495	}
1496
1497	if wherefore == "unbonk" {
1498		xonk := getbonk(userinfo.UserID, what)
1499		if xonk != nil {
1500			deletehonk(xonk.ID)
1501			xonk = getxonk(userinfo.UserID, what)
1502			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1503			if err != nil {
1504				elog.Printf("error unbonking: %s", err)
1505			}
1506			sendzonkofsorts(xonk, user, "unbonk", "")
1507		}
1508		return
1509	}
1510
1511	if wherefore == "untag" {
1512		xonk := getxonk(userinfo.UserID, what)
1513		if xonk != nil {
1514			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1515			if err != nil {
1516				elog.Printf("error untagging: %s", err)
1517			}
1518		}
1519		var badparents map[string]bool
1520		untagged.GetAndLock(userinfo.UserID, &badparents)
1521		badparents[what] = true
1522		untagged.Unlock()
1523		return
1524	}
1525
1526	ilog.Printf("zonking %s %s", wherefore, what)
1527	if wherefore == "zonk" {
1528		xonk := getxonk(userinfo.UserID, what)
1529		if xonk != nil {
1530			deletehonk(xonk.ID)
1531			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1532				sendzonkofsorts(xonk, user, "zonk", "")
1533			}
1534		}
1535	}
1536	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1537	if err != nil {
1538		elog.Printf("error saving zonker: %s", err)
1539		return
1540	}
1541}
1542
1543func edithonkpage(w http.ResponseWriter, r *http.Request) {
1544	u := login.GetUserInfo(r)
1545	user, _ := butwhatabout(u.Username)
1546	xid := r.FormValue("xid")
1547	honk := getxonk(u.UserID, xid)
1548	if !canedithonk(user, honk) {
1549		http.Error(w, "no editing that please", http.StatusInternalServerError)
1550		return
1551	}
1552
1553	noise := honk.Noise
1554
1555	honks := []*Honk{honk}
1556	donksforhonks(honks)
1557	reverbolate(u.UserID, honks)
1558	templinfo := getInfo(r)
1559	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1560	templinfo["Honks"] = honks
1561	templinfo["MapLink"] = getmaplink(u)
1562	templinfo["Noise"] = noise
1563	templinfo["SavedPlace"] = honk.Place
1564	if tm := honk.Time; tm != nil {
1565		templinfo["ShowTime"] = " "
1566		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1567		if tm.Duration != 0 {
1568			templinfo["Duration"] = tm.Duration
1569		}
1570	}
1571	templinfo["ServerMessage"] = "honk edit 2"
1572	templinfo["IsPreview"] = true
1573	templinfo["UpdateXID"] = honk.XID
1574	if len(honk.Donks) > 0 {
1575		templinfo["SavedFile"] = honk.Donks[0].XID
1576	}
1577	err := readviews.Execute(w, "honkpage.html", templinfo)
1578	if err != nil {
1579		elog.Print(err)
1580	}
1581}
1582
1583func newhonkpage(w http.ResponseWriter, r *http.Request) {
1584	u := login.GetUserInfo(r)
1585	rid := r.FormValue("rid")
1586	noise := ""
1587
1588	xonk := getxonk(u.UserID, rid)
1589	if xonk != nil {
1590		_, replto := handles(xonk.Honker)
1591		if replto != "" {
1592			noise = "@" + replto + " "
1593		}
1594	}
1595
1596	templinfo := getInfo(r)
1597	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1598	templinfo["InReplyTo"] = rid
1599	templinfo["Noise"] = noise
1600	templinfo["ServerMessage"] = "compose honk"
1601	templinfo["IsPreview"] = true
1602	err := readviews.Execute(w, "honkpage.html", templinfo)
1603	if err != nil {
1604		elog.Print(err)
1605	}
1606}
1607
1608func canedithonk(user *WhatAbout, honk *Honk) bool {
1609	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1610		return false
1611	}
1612	return true
1613}
1614
1615func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1616	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1617		return nil, nil
1618	}
1619	file, filehdr, err := r.FormFile("donk")
1620	if err != nil {
1621		if err == http.ErrMissingFile {
1622			return nil, nil
1623		}
1624		elog.Printf("error reading donk: %s", err)
1625		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1626		return nil, err
1627	}
1628	var buf bytes.Buffer
1629	io.Copy(&buf, file)
1630	file.Close()
1631	data := buf.Bytes()
1632	var media, name string
1633	img, err := shrinkit(data)
1634	if err == nil {
1635		data = img.Data
1636		format := img.Format
1637		media = "image/" + format
1638		if format == "jpeg" {
1639			format = "jpg"
1640		}
1641		if format == "svg+xml" {
1642			format = "svg"
1643		}
1644		name = xfiltrate() + "." + format
1645	} else {
1646		ct := http.DetectContentType(data)
1647		switch ct {
1648		case "application/pdf":
1649			maxsize := 10000000
1650			if len(data) > maxsize {
1651				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1652				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1653				return nil, err
1654			}
1655			media = ct
1656			name = filehdr.Filename
1657			if name == "" {
1658				name = xfiltrate() + ".pdf"
1659			}
1660		default:
1661			maxsize := 100000
1662			if len(data) > maxsize {
1663				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1664				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1665				return nil, err
1666			}
1667			for i := 0; i < len(data); i++ {
1668				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1669					ilog.Printf("bad image: %s not text: %d", err, data[i])
1670					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1671					return nil, err
1672				}
1673			}
1674			media = "text/plain"
1675			name = filehdr.Filename
1676			if name == "" {
1677				name = xfiltrate() + ".txt"
1678			}
1679		}
1680	}
1681	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1682	if desc == "" {
1683		desc = name
1684	}
1685	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1686	if err != nil {
1687		elog.Printf("unable to save image: %s", err)
1688		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1689		return nil, err
1690	}
1691	d := &Donk{
1692		FileID: fileid,
1693		XID:    xid,
1694		Desc:   desc,
1695		Local:  true,
1696	}
1697	return d, nil
1698}
1699
1700func websubmithonk(w http.ResponseWriter, r *http.Request) {
1701	h := submithonk(w, r)
1702	if h == nil {
1703		return
1704	}
1705	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1706}
1707
1708// what a hot mess this function is
1709func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1710	rid := r.FormValue("rid")
1711	noise := r.FormValue("noise")
1712	format := r.FormValue("format")
1713	if format == "" {
1714		format = "markdown"
1715	}
1716	if !(format == "markdown" || format == "html") {
1717		http.Error(w, "unknown format", 500)
1718		return nil
1719	}
1720
1721	userinfo := login.GetUserInfo(r)
1722	user, _ := butwhatabout(userinfo.Username)
1723
1724	dt := time.Now().UTC()
1725	updatexid := r.FormValue("updatexid")
1726	var honk *Honk
1727	if updatexid != "" {
1728		honk = getxonk(userinfo.UserID, updatexid)
1729		if !canedithonk(user, honk) {
1730			http.Error(w, "no editing that please", http.StatusInternalServerError)
1731			return nil
1732		}
1733		honk.Date = dt
1734		honk.What = "update"
1735		honk.Format = format
1736	} else {
1737		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1738		what := "honk"
1739		honk = &Honk{
1740			UserID:   userinfo.UserID,
1741			Username: userinfo.Username,
1742			What:     what,
1743			Honker:   user.URL,
1744			XID:      xid,
1745			Date:     dt,
1746			Format:   format,
1747		}
1748	}
1749
1750	var convoy string
1751	noise = strings.Replace(noise, "\r", "", -1)
1752	if updatexid == "" && rid == "" {
1753		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1754			convoy = m[7:]
1755			convoy = strings.TrimSpace(convoy)
1756			if !re_convalidate.MatchString(convoy) {
1757				convoy = ""
1758			}
1759			return ""
1760		})
1761	}
1762	noise = quickrename(noise, userinfo.UserID)
1763	noise = hooterize(noise)
1764	honk.Noise = noise
1765	precipitate(honk)
1766	noise = honk.Noise
1767	recategorize(honk)
1768	translate(honk)
1769
1770	if rid != "" {
1771		xonk := getxonk(userinfo.UserID, rid)
1772		if xonk == nil {
1773			http.Error(w, "replyto disappeared", http.StatusNotFound)
1774			return nil
1775		}
1776		if xonk.Public {
1777			honk.Audience = append(honk.Audience, xonk.Audience...)
1778		}
1779		convoy = xonk.Convoy
1780		for i, a := range honk.Audience {
1781			if a == thewholeworld {
1782				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1783				break
1784			}
1785		}
1786		honk.RID = rid
1787		if xonk.Precis != "" && honk.Precis == "" {
1788			honk.Precis = xonk.Precis
1789			if !re_dangerous.MatchString(honk.Precis) {
1790				honk.Precis = "re: " + honk.Precis
1791			}
1792		}
1793	} else if updatexid == "" {
1794		honk.Audience = []string{thewholeworld}
1795	}
1796	if honk.Noise != "" && honk.Noise[0] == '@' {
1797		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1798	} else {
1799		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1800	}
1801
1802	if convoy == "" {
1803		convoy = "data:,electrichonkytonk-" + xfiltrate()
1804	}
1805	butnottooloud(honk.Audience)
1806	honk.Audience = oneofakind(honk.Audience)
1807	if len(honk.Audience) == 0 {
1808		ilog.Printf("honk to nowhere")
1809		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1810		return nil
1811	}
1812	honk.Public = loudandproud(honk.Audience)
1813	honk.Convoy = convoy
1814
1815	donkxid := r.FormValue("donkxid")
1816	if donkxid == "" {
1817		d, err := submitdonk(w, r)
1818		if err != nil && err != http.ErrMissingFile {
1819			return nil
1820		}
1821		if d != nil {
1822			honk.Donks = append(honk.Donks, d)
1823			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1824		}
1825	} else {
1826		for _, xid := range r.Form["donkxid"] {
1827			p := strings.Split(xid, ":")
1828			xid = p[0]
1829			url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1830			var donk *Donk
1831			if len(p) > 1 {
1832				fileid, _ := strconv.ParseInt(p[1], 10, 0)
1833				donk = finddonkid(fileid, url)
1834			} else {
1835				donk = finddonk(url)
1836			}
1837			if donk != nil {
1838				honk.Donks = append(honk.Donks, donk)
1839			} else {
1840				ilog.Printf("can't find file: %s", xid)
1841			}
1842		}
1843	}
1844	memetize(honk)
1845	imaginate(honk)
1846
1847	placename := strings.TrimSpace(r.FormValue("placename"))
1848	placelat := strings.TrimSpace(r.FormValue("placelat"))
1849	placelong := strings.TrimSpace(r.FormValue("placelong"))
1850	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1851	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1852		p := new(Place)
1853		p.Name = placename
1854		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1855		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1856		p.Url = placeurl
1857		honk.Place = p
1858	}
1859	timestart := strings.TrimSpace(r.FormValue("timestart"))
1860	if timestart != "" {
1861		t := new(Time)
1862		now := time.Now().Local()
1863		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1864			start, err := time.ParseInLocation(layout, timestart, now.Location())
1865			if err == nil {
1866				if start.Year() == 0 {
1867					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1868				}
1869				t.StartTime = start
1870				break
1871			}
1872		}
1873		timeend := r.FormValue("timeend")
1874		dur := parseDuration(timeend)
1875		if dur != 0 {
1876			t.Duration = Duration(dur)
1877		}
1878		if !t.StartTime.IsZero() {
1879			honk.What = "event"
1880			honk.Time = t
1881		}
1882	}
1883
1884	if honk.Public {
1885		honk.Whofore = 2
1886	} else {
1887		honk.Whofore = 3
1888	}
1889
1890	// back to markdown
1891	honk.Noise = noise
1892
1893	if r.FormValue("preview") == "preview" {
1894		honks := []*Honk{honk}
1895		reverbolate(userinfo.UserID, honks)
1896		templinfo := getInfo(r)
1897		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1898		templinfo["Honks"] = honks
1899		templinfo["MapLink"] = getmaplink(userinfo)
1900		templinfo["InReplyTo"] = r.FormValue("rid")
1901		templinfo["Noise"] = r.FormValue("noise")
1902		templinfo["SavedFile"] = donkxid
1903		if tm := honk.Time; tm != nil {
1904			templinfo["ShowTime"] = " "
1905			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1906			if tm.Duration != 0 {
1907				templinfo["Duration"] = tm.Duration
1908			}
1909		}
1910		templinfo["IsPreview"] = true
1911		templinfo["UpdateXID"] = updatexid
1912		templinfo["ServerMessage"] = "honk preview"
1913		err := readviews.Execute(w, "honkpage.html", templinfo)
1914		if err != nil {
1915			elog.Print(err)
1916		}
1917		return nil
1918	}
1919
1920	if updatexid != "" {
1921		updatehonk(honk)
1922		oldjonks.Clear(honk.XID)
1923	} else {
1924		err := savehonk(honk)
1925		if err != nil {
1926			elog.Printf("uh oh")
1927			return nil
1928		}
1929	}
1930
1931	// reload for consistency
1932	honk.Donks = nil
1933	donksforhonks([]*Honk{honk})
1934
1935	go honkworldwide(user, honk)
1936
1937	return honk
1938}
1939
1940func showhonkers(w http.ResponseWriter, r *http.Request) {
1941	userinfo := login.GetUserInfo(r)
1942	templinfo := getInfo(r)
1943	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1944	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1945	err := readviews.Execute(w, "honkers.html", templinfo)
1946	if err != nil {
1947		elog.Print(err)
1948	}
1949}
1950
1951func showchatter(w http.ResponseWriter, r *http.Request) {
1952	u := login.GetUserInfo(r)
1953	chatnewnone(u.UserID)
1954	chatter := loadchatter(u.UserID)
1955	for _, chat := range chatter {
1956		for _, ch := range chat.Chonks {
1957			filterchonk(ch)
1958		}
1959	}
1960
1961	templinfo := getInfo(r)
1962	templinfo["Chatter"] = chatter
1963	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1964	err := readviews.Execute(w, "chatter.html", templinfo)
1965	if err != nil {
1966		elog.Print(err)
1967	}
1968}
1969
1970func submitchonk(w http.ResponseWriter, r *http.Request) {
1971	u := login.GetUserInfo(r)
1972	user, _ := butwhatabout(u.Username)
1973	noise := r.FormValue("noise")
1974	target := r.FormValue("target")
1975	format := "markdown"
1976	dt := time.Now().UTC()
1977	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1978
1979	if !strings.HasPrefix(target, "https://") {
1980		target = fullname(target, u.UserID)
1981	}
1982	if target == "" {
1983		http.Error(w, "who is that?", http.StatusInternalServerError)
1984		return
1985	}
1986	ch := Chonk{
1987		UserID: u.UserID,
1988		XID:    xid,
1989		Who:    user.URL,
1990		Target: target,
1991		Date:   dt,
1992		Noise:  noise,
1993		Format: format,
1994	}
1995	d, err := submitdonk(w, r)
1996	if err != nil && err != http.ErrMissingFile {
1997		return
1998	}
1999	if d != nil {
2000		ch.Donks = append(ch.Donks, d)
2001	}
2002
2003	translatechonk(&ch)
2004	savechonk(&ch)
2005	// reload for consistency
2006	ch.Donks = nil
2007	donksforchonks([]*Chonk{&ch})
2008	go sendchonk(user, &ch)
2009
2010	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
2011}
2012
2013var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
2014	honkers := gethonkers(userid)
2015	var combos []string
2016	for _, h := range honkers {
2017		combos = append(combos, h.Combos...)
2018	}
2019	for i, c := range combos {
2020		if c == "-" {
2021			combos[i] = ""
2022		}
2023	}
2024	combos = oneofakind(combos)
2025	sort.Strings(combos)
2026	return combos, true
2027}, Invalidator: &honkerinvalidator})
2028
2029func showcombos(w http.ResponseWriter, r *http.Request) {
2030	userinfo := login.GetUserInfo(r)
2031	var combos []string
2032	combocache.Get(userinfo.UserID, &combos)
2033	templinfo := getInfo(r)
2034	err := readviews.Execute(w, "combos.html", templinfo)
2035	if err != nil {
2036		elog.Print(err)
2037	}
2038}
2039
2040func websubmithonker(w http.ResponseWriter, r *http.Request) {
2041	h := submithonker(w, r)
2042	if h == nil {
2043		return
2044	}
2045	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2046}
2047
2048func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2049	u := login.GetUserInfo(r)
2050	user, _ := butwhatabout(u.Username)
2051	name := strings.TrimSpace(r.FormValue("name"))
2052	url := strings.TrimSpace(r.FormValue("url"))
2053	peep := r.FormValue("peep")
2054	combos := strings.TrimSpace(r.FormValue("combos"))
2055	combos = " " + combos + " "
2056	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2057
2058	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2059	if name != "" && !re_namecheck.MatchString(name) {
2060		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2061		return nil
2062	}
2063
2064	var meta HonkerMeta
2065	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2066	mj, _ := jsonify(&meta)
2067
2068	defer honkerinvalidator.Clear(u.UserID)
2069
2070	// mostly dummy, fill in later...
2071	h := &Honker{
2072		ID: honkerid,
2073	}
2074
2075	if honkerid > 0 {
2076		if r.FormValue("delete") == "delete" {
2077			unfollowyou(user, honkerid, false)
2078			stmtDeleteHonker.Exec(honkerid)
2079			return h
2080		}
2081		if r.FormValue("unsub") == "unsub" {
2082			unfollowyou(user, honkerid, false)
2083		}
2084		if r.FormValue("sub") == "sub" {
2085			followyou(user, honkerid, false)
2086		}
2087		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2088		if err != nil {
2089			elog.Printf("update honker err: %s", err)
2090			return nil
2091		}
2092		return h
2093	}
2094
2095	if url == "" {
2096		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2097		return nil
2098	}
2099
2100	flavor := "presub"
2101	if peep == "peep" {
2102		flavor = "peep"
2103	}
2104
2105	var err error
2106	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2107	if err != nil {
2108		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2109		return nil
2110	}
2111	if flavor == "presub" {
2112		followyou(user, honkerid, false)
2113	}
2114	h.ID = honkerid
2115	return h
2116}
2117
2118func hfcspage(w http.ResponseWriter, r *http.Request) {
2119	userinfo := login.GetUserInfo(r)
2120
2121	filters := getfilters(userinfo.UserID, filtAny)
2122
2123	templinfo := getInfo(r)
2124	templinfo["Filters"] = filters
2125	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2126	err := readviews.Execute(w, "hfcs.html", templinfo)
2127	if err != nil {
2128		elog.Print(err)
2129	}
2130}
2131
2132func savehfcs(w http.ResponseWriter, r *http.Request) {
2133	userinfo := login.GetUserInfo(r)
2134	itsok := r.FormValue("itsok")
2135	if itsok == "iforgiveyou" {
2136		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2137		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2138		if err != nil {
2139			elog.Printf("error deleting filter: %s", err)
2140		}
2141		filtInvalidator.Clear(userinfo.UserID)
2142		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2143		return
2144	}
2145
2146	filt := new(Filter)
2147	filt.Name = strings.TrimSpace(r.FormValue("name"))
2148	filt.Date = time.Now().UTC()
2149	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2150	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2151	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2152	filt.IsReply = r.FormValue("isreply") == "yes"
2153	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2154	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2155	filt.Reject = r.FormValue("doreject") == "yes"
2156	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2157	filt.Hide = r.FormValue("dohide") == "yes"
2158	filt.Collapse = r.FormValue("docollapse") == "yes"
2159	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2160	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2161	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2162		filt.Expiration = time.Now().UTC().Add(dur)
2163	}
2164	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2165
2166	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2167		ilog.Printf("blank filter")
2168		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2169		return
2170	}
2171
2172	j, err := jsonify(filt)
2173	if err == nil {
2174		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2175	}
2176	if err != nil {
2177		elog.Printf("error saving filter: %s", err)
2178	}
2179
2180	filtInvalidator.Clear(userinfo.UserID)
2181	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2182}
2183
2184func accountpage(w http.ResponseWriter, r *http.Request) {
2185	u := login.GetUserInfo(r)
2186	user, _ := butwhatabout(u.Username)
2187	templinfo := getInfo(r)
2188	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2189	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2190	templinfo["User"] = user
2191	about := user.About
2192	if ava := user.Options.Avatar; ava != "" {
2193		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2194	}
2195	if ban := user.Options.Banner; ban != "" {
2196		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2197	}
2198	templinfo["WhatAbout"] = about
2199	err := readviews.Execute(w, "account.html", templinfo)
2200	if err != nil {
2201		elog.Print(err)
2202	}
2203}
2204
2205func dochpass(w http.ResponseWriter, r *http.Request) {
2206	err := login.ChangePassword(w, r)
2207	if err != nil {
2208		elog.Printf("error changing password: %s", err)
2209	}
2210	http.Redirect(w, r, "/account", http.StatusSeeOther)
2211}
2212
2213var oldfingers = cache.New(cache.Options{Filler: func(orig string) ([]byte, bool) {
2214	if strings.HasPrefix(orig, "acct:") {
2215		orig = orig[5:]
2216	}
2217	name := orig
2218	idx := strings.LastIndexByte(name, '/')
2219	if idx != -1 {
2220		name = name[idx+1:]
2221		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2222			ilog.Printf("foreign request rejected")
2223			name = ""
2224		}
2225	} else {
2226		idx = strings.IndexByte(name, '@')
2227		if idx != -1 {
2228			name = name[:idx]
2229			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2230				ilog.Printf("foreign request rejected")
2231				name = ""
2232			}
2233		}
2234	}
2235	user, err := butwhatabout(name)
2236	if err != nil {
2237		return nil, false
2238	}
2239
2240	j := junk.New()
2241	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2242	j["aliases"] = []string{user.URL}
2243	l := junk.New()
2244	l["rel"] = "self"
2245	l["type"] = `application/activity+json`
2246	l["href"] = user.URL
2247	j["links"] = []junk.Junk{l}
2248	return j.ToBytes(), true
2249}})
2250
2251func fingerlicker(w http.ResponseWriter, r *http.Request) {
2252	orig := r.FormValue("resource")
2253
2254	dlog.Printf("finger lick: %s", orig)
2255
2256	var j []byte
2257	ok := oldfingers.Get(orig, &j)
2258	if ok {
2259		w.Header().Set("Content-Type", "application/jrd+json")
2260		w.Write(j)
2261	} else {
2262		http.NotFound(w, r)
2263	}
2264}
2265
2266func somedays() string {
2267	secs := 432000 + notrand.Int63n(432000)
2268	return fmt.Sprintf("%d", secs)
2269}
2270
2271func lookatme(ava string) string {
2272	if strings.Contains(ava, serverName+"/"+userSep) {
2273		idx := strings.LastIndexByte(ava, '/')
2274		if idx < len(ava) {
2275			name := ava[idx+1:]
2276			user, _ := butwhatabout(name)
2277			if user != nil && user.URL == ava {
2278				return user.Options.Avatar
2279			}
2280		}
2281	}
2282	return ""
2283}
2284
2285func avatate(w http.ResponseWriter, r *http.Request) {
2286	if develMode {
2287		loadAvatarColors()
2288	}
2289	n := r.FormValue("a")
2290	if redir := lookatme(n); redir != "" {
2291		http.Redirect(w, r, redir, http.StatusSeeOther)
2292		return
2293	}
2294	a := genAvatar(n)
2295	if !develMode {
2296		w.Header().Set("Cache-Control", "max-age="+somedays())
2297	}
2298	w.Write(a)
2299}
2300
2301func serveviewasset(w http.ResponseWriter, r *http.Request) {
2302	serveasset(w, r, viewDir)
2303}
2304func servedataasset(w http.ResponseWriter, r *http.Request) {
2305	if r.URL.Path == "/favicon.ico" {
2306		r.URL.Path = "/icon.png"
2307	}
2308	serveasset(w, r, dataDir)
2309}
2310
2311func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2312	if !develMode {
2313		w.Header().Set("Cache-Control", "max-age=7776000")
2314	}
2315	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2316}
2317func servehelp(w http.ResponseWriter, r *http.Request) {
2318	name := mux.Vars(r)["name"]
2319	if !develMode {
2320		w.Header().Set("Cache-Control", "max-age=3600")
2321	}
2322	http.ServeFile(w, r, viewDir+"/docs/"+name)
2323}
2324func servehtml(w http.ResponseWriter, r *http.Request) {
2325	u := login.GetUserInfo(r)
2326	templinfo := getInfo(r)
2327	templinfo["AboutMsg"] = aboutMsg
2328	templinfo["LoginMsg"] = loginMsg
2329	templinfo["HonkVersion"] = softwareVersion
2330	if r.URL.Path == "/about" {
2331		templinfo["Sensors"] = getSensors()
2332	}
2333	if u == nil && !develMode {
2334		w.Header().Set("Cache-Control", "max-age=60")
2335	}
2336	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2337	if err != nil {
2338		elog.Print(err)
2339	}
2340}
2341func serveemu(w http.ResponseWriter, r *http.Request) {
2342	emu := mux.Vars(r)["emu"]
2343
2344	w.Header().Set("Cache-Control", "max-age="+somedays())
2345	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2346}
2347func servememe(w http.ResponseWriter, r *http.Request) {
2348	meme := mux.Vars(r)["meme"]
2349
2350	w.Header().Set("Cache-Control", "max-age="+somedays())
2351	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2352}
2353
2354func servefile(w http.ResponseWriter, r *http.Request) {
2355	xid := mux.Vars(r)["xid"]
2356	var media string
2357	var data []byte
2358	row := stmtGetFileData.QueryRow(xid)
2359	err := row.Scan(&media, &data)
2360	if err != nil {
2361		elog.Printf("error loading file: %s", err)
2362		http.NotFound(w, r)
2363		return
2364	}
2365	w.Header().Set("Content-Type", media)
2366	w.Header().Set("X-Content-Type-Options", "nosniff")
2367	w.Header().Set("Cache-Control", "max-age="+somedays())
2368	w.Write(data)
2369}
2370
2371func nomoroboto(w http.ResponseWriter, r *http.Request) {
2372	io.WriteString(w, "User-agent: *\n")
2373	io.WriteString(w, "Disallow: /a\n")
2374	io.WriteString(w, "Disallow: /d/\n")
2375	io.WriteString(w, "Disallow: /meme/\n")
2376	io.WriteString(w, "Disallow: /o\n")
2377	io.WriteString(w, "Disallow: /o/\n")
2378	io.WriteString(w, "Disallow: /help/\n")
2379	for _, u := range allusers() {
2380		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2381	}
2382}
2383
2384type Hydration struct {
2385	Tophid    int64
2386	Srvmsg    template.HTML
2387	Honks     string
2388	MeCount   int64
2389	ChatCount int64
2390}
2391
2392func webhydra(w http.ResponseWriter, r *http.Request) {
2393	u := login.GetUserInfo(r)
2394	userid := u.UserID
2395	templinfo := getInfo(r)
2396	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2397	page := r.FormValue("page")
2398
2399	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2400
2401	var hydra Hydration
2402
2403	var honks []*Honk
2404	switch page {
2405	case "atme":
2406		honks = gethonksforme(userid, wanted)
2407		honks = osmosis(honks, userid, false)
2408		menewnone(userid)
2409		hydra.Srvmsg = "at me!"
2410	case "longago":
2411		honks = gethonksfromlongago(userid, wanted)
2412		honks = osmosis(honks, userid, false)
2413		hydra.Srvmsg = "from long ago"
2414	case "home":
2415		honks = gethonksforuser(userid, wanted)
2416		honks = osmosis(honks, userid, true)
2417		hydra.Srvmsg = serverMsg
2418	case "first":
2419		honks = gethonksforuserfirstclass(userid, wanted)
2420		honks = osmosis(honks, userid, true)
2421		hydra.Srvmsg = "first class only"
2422	case "saved":
2423		honks = getsavedhonks(userid, wanted)
2424		templinfo["PageName"] = "saved"
2425		hydra.Srvmsg = "saved honks"
2426	case "combo":
2427		c := r.FormValue("c")
2428		honks = gethonksbycombo(userid, c, wanted)
2429		honks = osmosis(honks, userid, false)
2430		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2431	case "convoy":
2432		c := r.FormValue("c")
2433		honks = gethonksbyconvoy(userid, c, wanted)
2434		honks = osmosis(honks, userid, false)
2435		honks = threadsort(honks)
2436		reversehonks(honks)
2437		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2438	case "honker":
2439		xid := r.FormValue("xid")
2440		honks = gethonksbyxonker(userid, xid, wanted)
2441		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2442			<input type="hidden" name="CSRF" value="%s">
2443			<input type="hidden" name="url" value="%s">
2444			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2445			</form>`, login.GetCSRF("submithonker", r), xid)
2446		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2447		hydra.Srvmsg = msg
2448	case "user":
2449		uname := r.FormValue("uname")
2450		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2451		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2452	default:
2453		http.NotFound(w, r)
2454	}
2455
2456	if len(honks) > 0 {
2457		hydra.Tophid = honks[0].ID
2458	} else {
2459		hydra.Tophid = wanted
2460	}
2461	reverbolate(userid, honks)
2462
2463	user, _ := butwhatabout(u.Username)
2464
2465	var buf strings.Builder
2466	templinfo["Honks"] = honks
2467	templinfo["MapLink"] = getmaplink(u)
2468	templinfo["User"], _ = butwhatabout(u.Username)
2469	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2470	if err != nil {
2471		elog.Printf("frag error: %s", err)
2472		return
2473	}
2474	hydra.Honks = buf.String()
2475	hydra.MeCount = user.Options.MeCount
2476	hydra.ChatCount = user.Options.ChatCount
2477	w.Header().Set("Content-Type", "application/json")
2478	j, _ := jsonify(&hydra)
2479	io.WriteString(w, j)
2480}
2481
2482var honkline = make(chan bool)
2483
2484func honkhonkline() {
2485	for {
2486		select {
2487		case honkline <- true:
2488		default:
2489			return
2490		}
2491	}
2492}
2493
2494func apihandler(w http.ResponseWriter, r *http.Request) {
2495	u := login.GetUserInfo(r)
2496	userid := u.UserID
2497	action := r.FormValue("action")
2498	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2499	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2500	switch action {
2501	case "honk":
2502		h := submithonk(w, r)
2503		if h == nil {
2504			return
2505		}
2506		fmt.Fprintf(w, "%s", h.XID)
2507	case "donk":
2508		d, err := submitdonk(w, r)
2509		if err != nil {
2510			http.Error(w, err.Error(), http.StatusBadRequest)
2511			return
2512		}
2513		if d == nil {
2514			http.Error(w, "missing donk", http.StatusBadRequest)
2515			return
2516		}
2517		donkxid := fmt.Sprintf("%s:%d", d.XID, d.FileID)
2518		w.Write([]byte(donkxid))
2519	case "zonkit":
2520		zonkit(w, r)
2521	case "gethonks":
2522		var honks []*Honk
2523		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2524		page := r.FormValue("page")
2525		var waitchan <-chan time.Time
2526	requery:
2527		switch page {
2528		case "atme":
2529			honks = gethonksforme(userid, wanted)
2530			honks = osmosis(honks, userid, false)
2531			menewnone(userid)
2532		case "longago":
2533			honks = gethonksfromlongago(userid, wanted)
2534			honks = osmosis(honks, userid, false)
2535		case "home":
2536			honks = gethonksforuser(userid, wanted)
2537			honks = osmosis(honks, userid, true)
2538		case "myhonks":
2539			honks = gethonksbyuser(u.Username, true, wanted)
2540			honks = osmosis(honks, userid, true)
2541		default:
2542			http.Error(w, "unknown page", http.StatusNotFound)
2543			return
2544		}
2545		if len(honks) == 0 && wait > 0 {
2546			if waitchan == nil {
2547				waitchan = time.After(time.Duration(wait) * time.Second)
2548			}
2549			select {
2550			case <-honkline:
2551				goto requery
2552			case <-waitchan:
2553			}
2554		}
2555		reverbolate(userid, honks)
2556		j := junk.New()
2557		j["honks"] = honks
2558		j.Write(w)
2559	case "sendactivity":
2560		user, _ := butwhatabout(u.Username)
2561		public := r.FormValue("public") == "1"
2562		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2563		msg := []byte(r.FormValue("msg"))
2564		for rcpt := range rcpts {
2565			go deliverate(userid, rcpt, msg)
2566		}
2567	case "gethonkers":
2568		j := junk.New()
2569		j["honkers"] = gethonkers(u.UserID)
2570		j.Write(w)
2571	case "savehonker":
2572		h := submithonker(w, r)
2573		if h == nil {
2574			return
2575		}
2576		fmt.Fprintf(w, "%d", h.ID)
2577	default:
2578		http.Error(w, "unknown action", http.StatusNotFound)
2579		return
2580	}
2581}
2582
2583func fiveoh(w http.ResponseWriter, r *http.Request) {
2584	if !develMode {
2585		return
2586	}
2587	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2588	if err != nil {
2589		elog.Printf("error opening violations! %s", err)
2590		return
2591	}
2592	defer fd.Close()
2593	io.Copy(fd, r.Body)
2594	fd.WriteString("\n")
2595}
2596
2597var endoftheworld = make(chan bool)
2598var readyalready = make(chan bool)
2599var workinprogress = 0
2600
2601func enditall() {
2602	sig := make(chan os.Signal, 1)
2603	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
2604	<-sig
2605	ilog.Printf("stopping...")
2606	for i := 0; i < workinprogress; i++ {
2607		endoftheworld <- true
2608	}
2609	ilog.Printf("waiting...")
2610	for i := 0; i < workinprogress; i++ {
2611		<-readyalready
2612	}
2613	ilog.Printf("apocalypse")
2614	os.Exit(0)
2615}
2616
2617var preservehooks []func()
2618
2619func bgmonitor() {
2620	for {
2621		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2622		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2623		if err != nil {
2624			elog.Printf("error deleting old xonkers: %s", err)
2625		}
2626		zaggies.Flush()
2627		time.Sleep(50 * time.Minute)
2628	}
2629}
2630
2631func addcspheaders(next http.Handler) http.Handler {
2632	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2633		policy := "default-src 'none'; script-src 'self'; connect-src 'self'; style-src 'self'; img-src 'self'; media-src 'self'"
2634		if develMode {
2635			policy += "; report-uri /csp-violation"
2636		}
2637		w.Header().Set("Content-Security-Policy", policy)
2638		next.ServeHTTP(w, r)
2639	})
2640}
2641
2642func emuinit() {
2643	var emunames []string
2644	dir, err := os.Open(dataDir + "/emus")
2645	if err == nil {
2646		emunames, _ = dir.Readdirnames(0)
2647		dir.Close()
2648	}
2649	for _, e := range emunames {
2650		if len(e) <= 4 {
2651			continue
2652		}
2653		ext := e[len(e)-4:]
2654		emu := Emu{
2655			ID:   fmt.Sprintf("/emu/%s", e),
2656			Name: e[:len(e)-4],
2657			Type: "image/" + ext[1:],
2658		}
2659		allemus = append(allemus, emu)
2660	}
2661	sort.Slice(allemus, func(i, j int) bool {
2662		return allemus[i].Name < allemus[j].Name
2663	})
2664}
2665
2666func serve() {
2667	db := opendatabase()
2668	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2669
2670	listener, err := openListener()
2671	if err != nil {
2672		elog.Fatal(err)
2673	}
2674	runBackendServer()
2675	go enditall()
2676	go redeliverator()
2677	go tracker()
2678	go bgmonitor()
2679	go qotd()
2680	loadLingo()
2681	emuinit()
2682
2683	readviews = templates.Load(develMode,
2684		viewDir+"/views/honkpage.html",
2685		viewDir+"/views/honkfrags.html",
2686		viewDir+"/views/honkers.html",
2687		viewDir+"/views/chatter.html",
2688		viewDir+"/views/hfcs.html",
2689		viewDir+"/views/combos.html",
2690		viewDir+"/views/honkform.html",
2691		viewDir+"/views/honk.html",
2692		viewDir+"/views/account.html",
2693		viewDir+"/views/about.html",
2694		viewDir+"/views/funzone.html",
2695		viewDir+"/views/login.html",
2696		viewDir+"/views/xzone.html",
2697		viewDir+"/views/msg.html",
2698		viewDir+"/views/header.html",
2699		viewDir+"/views/onts.html",
2700		viewDir+"/views/emus.html",
2701		viewDir+"/views/honkpage.js",
2702	)
2703	if !develMode {
2704		assets := []string{
2705			viewDir + "/views/style.css",
2706			dataDir + "/views/local.css",
2707			viewDir + "/views/honkpage.js",
2708			viewDir + "/views/misc.js",
2709			dataDir + "/views/local.js",
2710		}
2711		for _, s := range assets {
2712			savedassetparams[s] = getassetparam(s)
2713		}
2714		loadAvatarColors()
2715	}
2716
2717	for _, h := range preservehooks {
2718		h()
2719	}
2720
2721	mux := mux.NewRouter()
2722	mux.Use(addcspheaders)
2723	mux.Use(login.Checker)
2724
2725	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2726
2727	posters := mux.Methods("POST").Subrouter()
2728	getters := mux.Methods("GET").Subrouter()
2729
2730	getters.HandleFunc("/", homepage)
2731	getters.HandleFunc("/home", homepage)
2732	getters.HandleFunc("/front", homepage)
2733	getters.HandleFunc("/events", homepage)
2734	getters.HandleFunc("/robots.txt", nomoroboto)
2735	getters.HandleFunc("/rss", showrss)
2736	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2737	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2738	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2739	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2740	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2741	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2742	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2743	getters.HandleFunc("/a", avatate)
2744	getters.HandleFunc("/o", thelistingoftheontologies)
2745	getters.HandleFunc("/o/{name:.+}", showontology)
2746	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2747	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2748	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2749	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2750
2751	getters.HandleFunc("/flag/{code:.+}", showflag)
2752
2753	getters.HandleFunc("/server", serveractor)
2754	posters.HandleFunc("/server/inbox", serverinbox)
2755	posters.HandleFunc("/inbox", serverinbox)
2756
2757	posters.HandleFunc("/csp-violation", fiveoh)
2758
2759	getters.HandleFunc("/style.css", serveviewasset)
2760	getters.HandleFunc("/honkpage.js", serveviewasset)
2761	getters.HandleFunc("/misc.js", serveviewasset)
2762	getters.HandleFunc("/local.css", servedataasset)
2763	getters.HandleFunc("/local.js", servedataasset)
2764	getters.HandleFunc("/icon.png", servedataasset)
2765	getters.HandleFunc("/favicon.ico", servedataasset)
2766
2767	getters.HandleFunc("/about", servehtml)
2768	getters.HandleFunc("/login", servehtml)
2769	posters.HandleFunc("/dologin", login.LoginFunc)
2770	getters.HandleFunc("/logout", login.LogoutFunc)
2771	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2772
2773	loggedin := mux.NewRoute().Subrouter()
2774	loggedin.Use(login.Required)
2775	loggedin.HandleFunc("/first", homepage)
2776	loggedin.HandleFunc("/chatter", showchatter)
2777	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2778	loggedin.HandleFunc("/saved", homepage)
2779	loggedin.HandleFunc("/account", accountpage)
2780	loggedin.HandleFunc("/funzone", showfunzone)
2781	loggedin.HandleFunc("/chpass", dochpass)
2782	loggedin.HandleFunc("/atme", homepage)
2783	loggedin.HandleFunc("/longago", homepage)
2784	loggedin.HandleFunc("/hfcs", hfcspage)
2785	loggedin.HandleFunc("/xzone", xzone)
2786	loggedin.HandleFunc("/newhonk", newhonkpage)
2787	loggedin.HandleFunc("/edit", edithonkpage)
2788	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2789	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2790	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2791	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2792	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2793	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2794	loggedin.HandleFunc("/honkers", showhonkers)
2795	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2796	loggedin.HandleFunc("/h", showhonker)
2797	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2798	loggedin.HandleFunc("/c", showcombos)
2799	loggedin.HandleFunc("/t", showconvoy)
2800	loggedin.HandleFunc("/q", showsearch)
2801	loggedin.HandleFunc("/hydra", webhydra)
2802	loggedin.HandleFunc("/emus", showemus)
2803	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2804
2805	err = http.Serve(listener, mux)
2806	if err != nil {
2807		elog.Fatal(err)
2808	}
2809}