all repos — honk @ fc6607ef85f04b58a51df07d6c88c92824a2eceb

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		sort.SliceStable(childs, func(i, j int) bool {
1082			return sameperson(childs[i], p) && !sameperson(childs[j], p)
1083		})
1084		for _, h := range childs {
1085			if !done[h] {
1086				done[h] = true
1087				thread = append(thread, h)
1088				nextlevel(h)
1089			}
1090		}
1091		if levelup {
1092			level--
1093		}
1094	}
1095	for _, h := range honks {
1096		if !done[h] && h.RID == "" {
1097			done[h] = true
1098			thread = append(thread, h)
1099			nextlevel(h)
1100		}
1101	}
1102	for _, h := range honks {
1103		if !done[h] {
1104			done[h] = true
1105			thread = append(thread, h)
1106			nextlevel(h)
1107		}
1108	}
1109	return thread
1110}
1111
1112func honkology(honk *Honk) template.HTML {
1113	var user *WhatAbout
1114	ok := somenumberedusers.Get(honk.UserID, &user)
1115	if !ok {
1116		return ""
1117	}
1118	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1119	imgurl := avatarURL(user)
1120	for _, d := range honk.Donks {
1121		if d.Local && strings.HasPrefix(d.Media, "image") {
1122			imgurl = d.URL
1123			break
1124		}
1125	}
1126	short := honk.Noise
1127	if len(short) > 160 {
1128		short = short[0:160] + "..."
1129	}
1130	return templates.Sprintf(
1131		`<meta property="og:title" content="%s" />
1132<meta property="og:type" content="article" />
1133<meta property="article:author" content="%s" />
1134<meta property="og:url" content="%s" />
1135<meta property="og:image" content="%s" />
1136<meta property="og:description" content="%s" />`,
1137		title, user.URL, honk.XID, imgurl, short)
1138}
1139
1140func showonehonk(w http.ResponseWriter, r *http.Request) {
1141	name := mux.Vars(r)["name"]
1142	user, err := butwhatabout(name)
1143	if err != nil {
1144		http.NotFound(w, r)
1145		return
1146	}
1147	if stealthmode(user.ID, r) {
1148		http.NotFound(w, r)
1149		return
1150	}
1151	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1152
1153	if friendorfoe(r.Header.Get("Accept")) {
1154		j, ok := gimmejonk(xid)
1155		if ok {
1156			trackback(xid, r)
1157			w.Header().Set("Content-Type", theonetruename)
1158			w.Write(j)
1159		} else {
1160			http.NotFound(w, r)
1161		}
1162		return
1163	}
1164	honk := getxonk(user.ID, xid)
1165	if honk == nil {
1166		http.NotFound(w, r)
1167		return
1168	}
1169	u := login.GetUserInfo(r)
1170	if u != nil && u.UserID != user.ID {
1171		u = nil
1172	}
1173	if !honk.Public {
1174		if u == nil {
1175			http.NotFound(w, r)
1176			return
1177
1178		}
1179		honks := []*Honk{honk}
1180		donksforhonks(honks)
1181		templinfo := getInfo(r)
1182		templinfo["ServerMessage"] = "one honk maybe more"
1183		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1184		honkpage(w, u, honks, templinfo)
1185		return
1186	}
1187
1188	templinfo := getInfo(r)
1189	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1190	//reversehonks(rawhonks)
1191	rawhonks = threadsort(rawhonks)
1192	var honks []*Honk
1193	for _, h := range rawhonks {
1194		if h.XID == xid {
1195			templinfo["Honkology"] = honkology(h)
1196			if len(honks) != 0 {
1197				h.Style += " glow"
1198			}
1199		}
1200		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1201			honks = append(honks, h)
1202		}
1203	}
1204
1205	templinfo["ServerMessage"] = "one honk maybe more"
1206	if u != nil {
1207		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1208	}
1209	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1210	honkpage(w, u, honks, templinfo)
1211}
1212
1213func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1214	var userid int64 = -1
1215	if u != nil {
1216		userid = u.UserID
1217		templinfo["User"], _ = butwhatabout(u.Username)
1218	}
1219	reverbolate(userid, honks)
1220	templinfo["Honks"] = honks
1221	templinfo["MapLink"] = getmaplink(u)
1222	if templinfo["TopHID"] == nil {
1223		if len(honks) > 0 {
1224			templinfo["TopHID"] = honks[0].ID
1225		} else {
1226			templinfo["TopHID"] = 0
1227		}
1228	}
1229	if u == nil && !develMode {
1230		w.Header().Set("Cache-Control", "max-age=60")
1231	}
1232	err := readviews.Execute(w, "honkpage.html", templinfo)
1233	if err != nil {
1234		elog.Print(err)
1235	}
1236}
1237
1238func saveuser(w http.ResponseWriter, r *http.Request) {
1239	whatabout := r.FormValue("whatabout")
1240	whatabout = strings.Replace(whatabout, "\r", "", -1)
1241	u := login.GetUserInfo(r)
1242	user, _ := butwhatabout(u.Username)
1243	db := opendatabase()
1244
1245	options := user.Options
1246	if r.FormValue("skinny") == "skinny" {
1247		options.SkinnyCSS = true
1248	} else {
1249		options.SkinnyCSS = false
1250	}
1251	if r.FormValue("omitimages") == "omitimages" {
1252		options.OmitImages = true
1253	} else {
1254		options.OmitImages = false
1255	}
1256	if r.FormValue("mentionall") == "mentionall" {
1257		options.MentionAll = true
1258	} else {
1259		options.MentionAll = false
1260	}
1261	if r.FormValue("inlineqts") == "inlineqts" {
1262		options.InlineQuotes = true
1263	} else {
1264		options.InlineQuotes = false
1265	}
1266	if r.FormValue("maps") == "apple" {
1267		options.MapLink = "apple"
1268	} else {
1269		options.MapLink = ""
1270	}
1271	options.Reaction = r.FormValue("reaction")
1272
1273	sendupdate := false
1274	ava := re_avatar.FindString(whatabout)
1275	if ava != "" {
1276		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1277		ava = ava[7:]
1278		if ava[0] == ' ' {
1279			ava = ava[1:]
1280		}
1281		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1282	}
1283	if ava != options.Avatar {
1284		options.Avatar = ava
1285		sendupdate = true
1286	}
1287	ban := re_banner.FindString(whatabout)
1288	if ban != "" {
1289		whatabout = re_banner.ReplaceAllString(whatabout, "")
1290		ban = ban[7:]
1291		if ban[0] == ' ' {
1292			ban = ban[1:]
1293		}
1294		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1295	}
1296	if ban != options.Banner {
1297		options.Banner = ban
1298		sendupdate = true
1299	}
1300	whatabout = strings.TrimSpace(whatabout)
1301	if whatabout != user.About {
1302		sendupdate = true
1303	}
1304	j, err := jsonify(options)
1305	if err == nil {
1306		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1307	}
1308	if err != nil {
1309		elog.Printf("error bouting what: %s", err)
1310	}
1311	somenamedusers.Clear(u.Username)
1312	somenumberedusers.Clear(u.UserID)
1313	oldjonkers.Clear(u.Username)
1314
1315	if sendupdate {
1316		updateMe(u.Username)
1317	}
1318
1319	http.Redirect(w, r, "/account", http.StatusSeeOther)
1320}
1321
1322func bonkit(xid string, user *WhatAbout) {
1323	dlog.Printf("bonking %s", xid)
1324
1325	xonk := getxonk(user.ID, xid)
1326	if xonk == nil {
1327		return
1328	}
1329	if !xonk.Public {
1330		return
1331	}
1332	if xonk.IsBonked() {
1333		return
1334	}
1335	donksforhonks([]*Honk{xonk})
1336
1337	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1338	if err != nil {
1339		elog.Printf("error acking bonk: %s", err)
1340	}
1341
1342	oonker := xonk.Oonker
1343	if oonker == "" {
1344		oonker = xonk.Honker
1345	}
1346	dt := time.Now().UTC()
1347	bonk := &Honk{
1348		UserID:   user.ID,
1349		Username: user.Name,
1350		What:     "bonk",
1351		Honker:   user.URL,
1352		Oonker:   oonker,
1353		XID:      xonk.XID,
1354		RID:      xonk.RID,
1355		Noise:    xonk.Noise,
1356		Precis:   xonk.Precis,
1357		URL:      xonk.URL,
1358		Date:     dt,
1359		Donks:    xonk.Donks,
1360		Whofore:  2,
1361		Convoy:   xonk.Convoy,
1362		Audience: []string{thewholeworld, oonker},
1363		Public:   true,
1364		Format:   xonk.Format,
1365		Place:    xonk.Place,
1366		Onts:     xonk.Onts,
1367		Time:     xonk.Time,
1368	}
1369
1370	err = savehonk(bonk)
1371	if err != nil {
1372		elog.Printf("uh oh")
1373		return
1374	}
1375
1376	go honkworldwide(user, bonk)
1377}
1378
1379func submitbonk(w http.ResponseWriter, r *http.Request) {
1380	xid := r.FormValue("xid")
1381	userinfo := login.GetUserInfo(r)
1382	user, _ := butwhatabout(userinfo.Username)
1383
1384	bonkit(xid, user)
1385
1386	if r.FormValue("js") != "1" {
1387		templinfo := getInfo(r)
1388		templinfo["ServerMessage"] = "Bonked!"
1389		err := readviews.Execute(w, "msg.html", templinfo)
1390		if err != nil {
1391			elog.Print(err)
1392		}
1393	}
1394}
1395
1396func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1397	zonk := &Honk{
1398		What:     what,
1399		XID:      xonk.XID,
1400		Date:     time.Now().UTC(),
1401		Audience: oneofakind(xonk.Audience),
1402		Noise:    aux,
1403	}
1404	zonk.Public = loudandproud(zonk.Audience)
1405
1406	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1407	go honkworldwide(user, zonk)
1408}
1409
1410func zonkit(w http.ResponseWriter, r *http.Request) {
1411	wherefore := r.FormValue("wherefore")
1412	what := r.FormValue("what")
1413	userinfo := login.GetUserInfo(r)
1414	user, _ := butwhatabout(userinfo.Username)
1415
1416	if wherefore == "save" {
1417		xonk := getxonk(userinfo.UserID, what)
1418		if xonk != nil {
1419			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1420			if err != nil {
1421				elog.Printf("error saving: %s", err)
1422			}
1423		}
1424		return
1425	}
1426
1427	if wherefore == "unsave" {
1428		xonk := getxonk(userinfo.UserID, what)
1429		if xonk != nil {
1430			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1431			if err != nil {
1432				elog.Printf("error unsaving: %s", err)
1433			}
1434		}
1435		return
1436	}
1437
1438	if wherefore == "react" {
1439		reaction := user.Options.Reaction
1440		if r2 := r.FormValue("reaction"); r2 != "" {
1441			reaction = r2
1442		}
1443		if reaction == "none" {
1444			return
1445		}
1446		xonk := getxonk(userinfo.UserID, what)
1447		if xonk != nil {
1448			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1449			if err != nil {
1450				elog.Printf("error saving: %s", err)
1451			}
1452			sendzonkofsorts(xonk, user, "react", reaction)
1453		}
1454		return
1455	}
1456
1457	// my hammer is too big, oh well
1458	defer oldjonks.Flush()
1459
1460	if wherefore == "ack" {
1461		xonk := getxonk(userinfo.UserID, what)
1462		if xonk != nil && !xonk.IsAcked() {
1463			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1464			if err != nil {
1465				elog.Printf("error acking: %s", err)
1466			}
1467			sendzonkofsorts(xonk, user, "ack", "")
1468		}
1469		return
1470	}
1471
1472	if wherefore == "deack" {
1473		xonk := getxonk(userinfo.UserID, what)
1474		if xonk != nil && xonk.IsAcked() {
1475			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1476			if err != nil {
1477				elog.Printf("error deacking: %s", err)
1478			}
1479			sendzonkofsorts(xonk, user, "deack", "")
1480		}
1481		return
1482	}
1483
1484	if wherefore == "bonk" {
1485		user, _ := butwhatabout(userinfo.Username)
1486		bonkit(what, user)
1487		return
1488	}
1489
1490	if wherefore == "unbonk" {
1491		xonk := getbonk(userinfo.UserID, what)
1492		if xonk != nil {
1493			deletehonk(xonk.ID)
1494			xonk = getxonk(userinfo.UserID, what)
1495			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1496			if err != nil {
1497				elog.Printf("error unbonking: %s", err)
1498			}
1499			sendzonkofsorts(xonk, user, "unbonk", "")
1500		}
1501		return
1502	}
1503
1504	if wherefore == "untag" {
1505		xonk := getxonk(userinfo.UserID, what)
1506		if xonk != nil {
1507			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1508			if err != nil {
1509				elog.Printf("error untagging: %s", err)
1510			}
1511		}
1512		var badparents map[string]bool
1513		untagged.GetAndLock(userinfo.UserID, &badparents)
1514		badparents[what] = true
1515		untagged.Unlock()
1516		return
1517	}
1518
1519	ilog.Printf("zonking %s %s", wherefore, what)
1520	if wherefore == "zonk" {
1521		xonk := getxonk(userinfo.UserID, what)
1522		if xonk != nil {
1523			deletehonk(xonk.ID)
1524			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1525				sendzonkofsorts(xonk, user, "zonk", "")
1526			}
1527		}
1528	}
1529	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1530	if err != nil {
1531		elog.Printf("error saving zonker: %s", err)
1532		return
1533	}
1534}
1535
1536func edithonkpage(w http.ResponseWriter, r *http.Request) {
1537	u := login.GetUserInfo(r)
1538	user, _ := butwhatabout(u.Username)
1539	xid := r.FormValue("xid")
1540	honk := getxonk(u.UserID, xid)
1541	if !canedithonk(user, honk) {
1542		http.Error(w, "no editing that please", http.StatusInternalServerError)
1543		return
1544	}
1545
1546	noise := honk.Noise
1547
1548	honks := []*Honk{honk}
1549	donksforhonks(honks)
1550	reverbolate(u.UserID, honks)
1551	templinfo := getInfo(r)
1552	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1553	templinfo["Honks"] = honks
1554	templinfo["MapLink"] = getmaplink(u)
1555	templinfo["Noise"] = noise
1556	templinfo["SavedPlace"] = honk.Place
1557	if tm := honk.Time; tm != nil {
1558		templinfo["ShowTime"] = " "
1559		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1560		if tm.Duration != 0 {
1561			templinfo["Duration"] = tm.Duration
1562		}
1563	}
1564	templinfo["ServerMessage"] = "honk edit 2"
1565	templinfo["IsPreview"] = true
1566	templinfo["UpdateXID"] = honk.XID
1567	if len(honk.Donks) > 0 {
1568		templinfo["SavedFile"] = honk.Donks[0].XID
1569	}
1570	err := readviews.Execute(w, "honkpage.html", templinfo)
1571	if err != nil {
1572		elog.Print(err)
1573	}
1574}
1575
1576func newhonkpage(w http.ResponseWriter, r *http.Request) {
1577	u := login.GetUserInfo(r)
1578	rid := r.FormValue("rid")
1579	noise := ""
1580
1581	xonk := getxonk(u.UserID, rid)
1582	if xonk != nil {
1583		_, replto := handles(xonk.Honker)
1584		if replto != "" {
1585			noise = "@" + replto + " "
1586		}
1587	}
1588
1589	templinfo := getInfo(r)
1590	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1591	templinfo["InReplyTo"] = rid
1592	templinfo["Noise"] = noise
1593	templinfo["ServerMessage"] = "compose honk"
1594	templinfo["IsPreview"] = true
1595	err := readviews.Execute(w, "honkpage.html", templinfo)
1596	if err != nil {
1597		elog.Print(err)
1598	}
1599}
1600
1601func canedithonk(user *WhatAbout, honk *Honk) bool {
1602	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1603		return false
1604	}
1605	return true
1606}
1607
1608func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1609	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1610		return nil, nil
1611	}
1612	file, filehdr, err := r.FormFile("donk")
1613	if err != nil {
1614		if err == http.ErrMissingFile {
1615			return nil, nil
1616		}
1617		elog.Printf("error reading donk: %s", err)
1618		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1619		return nil, err
1620	}
1621	var buf bytes.Buffer
1622	io.Copy(&buf, file)
1623	file.Close()
1624	data := buf.Bytes()
1625	var media, name string
1626	img, err := shrinkit(data)
1627	if err == nil {
1628		data = img.Data
1629		format := img.Format
1630		media = "image/" + format
1631		if format == "jpeg" {
1632			format = "jpg"
1633		}
1634		if format == "svg+xml" {
1635			format = "svg"
1636		}
1637		name = xfiltrate() + "." + format
1638	} else {
1639		ct := http.DetectContentType(data)
1640		switch ct {
1641		case "application/pdf":
1642			maxsize := 10000000
1643			if len(data) > maxsize {
1644				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1645				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1646				return nil, err
1647			}
1648			media = ct
1649			name = filehdr.Filename
1650			if name == "" {
1651				name = xfiltrate() + ".pdf"
1652			}
1653		default:
1654			maxsize := 100000
1655			if len(data) > maxsize {
1656				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1657				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1658				return nil, err
1659			}
1660			for i := 0; i < len(data); i++ {
1661				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1662					ilog.Printf("bad image: %s not text: %d", err, data[i])
1663					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1664					return nil, err
1665				}
1666			}
1667			media = "text/plain"
1668			name = filehdr.Filename
1669			if name == "" {
1670				name = xfiltrate() + ".txt"
1671			}
1672		}
1673	}
1674	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1675	if desc == "" {
1676		desc = name
1677	}
1678	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1679	if err != nil {
1680		elog.Printf("unable to save image: %s", err)
1681		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1682		return nil, err
1683	}
1684	d := &Donk{
1685		FileID: fileid,
1686		XID:    xid,
1687		Desc:   desc,
1688		Local:  true,
1689	}
1690	return d, nil
1691}
1692
1693func websubmithonk(w http.ResponseWriter, r *http.Request) {
1694	h := submithonk(w, r)
1695	if h == nil {
1696		return
1697	}
1698	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1699}
1700
1701// what a hot mess this function is
1702func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1703	rid := r.FormValue("rid")
1704	noise := r.FormValue("noise")
1705	format := r.FormValue("format")
1706	if format == "" {
1707		format = "markdown"
1708	}
1709	if !(format == "markdown" || format == "html") {
1710		http.Error(w, "unknown format", 500)
1711		return nil
1712	}
1713
1714	userinfo := login.GetUserInfo(r)
1715	user, _ := butwhatabout(userinfo.Username)
1716
1717	dt := time.Now().UTC()
1718	updatexid := r.FormValue("updatexid")
1719	var honk *Honk
1720	if updatexid != "" {
1721		honk = getxonk(userinfo.UserID, updatexid)
1722		if !canedithonk(user, honk) {
1723			http.Error(w, "no editing that please", http.StatusInternalServerError)
1724			return nil
1725		}
1726		honk.Date = dt
1727		honk.What = "update"
1728		honk.Format = format
1729	} else {
1730		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1731		what := "honk"
1732		honk = &Honk{
1733			UserID:   userinfo.UserID,
1734			Username: userinfo.Username,
1735			What:     what,
1736			Honker:   user.URL,
1737			XID:      xid,
1738			Date:     dt,
1739			Format:   format,
1740		}
1741	}
1742
1743	var convoy string
1744	noise = strings.Replace(noise, "\r", "", -1)
1745	if updatexid == "" && rid == "" {
1746		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1747			convoy = m[7:]
1748			convoy = strings.TrimSpace(convoy)
1749			if !re_convalidate.MatchString(convoy) {
1750				convoy = ""
1751			}
1752			return ""
1753		})
1754	}
1755	noise = quickrename(noise, userinfo.UserID)
1756	noise = hooterize(noise)
1757	honk.Noise = noise
1758	precipitate(honk)
1759	noise = honk.Noise
1760	recategorize(honk)
1761	translate(honk)
1762
1763	if rid != "" {
1764		xonk := getxonk(userinfo.UserID, rid)
1765		if xonk == nil {
1766			http.Error(w, "replyto disappeared", http.StatusNotFound)
1767			return nil
1768		}
1769		if xonk.Public {
1770			honk.Audience = append(honk.Audience, xonk.Audience...)
1771		}
1772		convoy = xonk.Convoy
1773		for i, a := range honk.Audience {
1774			if a == thewholeworld {
1775				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1776				break
1777			}
1778		}
1779		honk.RID = rid
1780		if xonk.Precis != "" && honk.Precis == "" {
1781			honk.Precis = xonk.Precis
1782			if !re_dangerous.MatchString(honk.Precis) {
1783				honk.Precis = "re: " + honk.Precis
1784			}
1785		}
1786	} else {
1787		honk.Audience = []string{thewholeworld}
1788	}
1789	if honk.Noise != "" && honk.Noise[0] == '@' {
1790		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1791	} else {
1792		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1793	}
1794
1795	if convoy == "" {
1796		convoy = "data:,electrichonkytonk-" + xfiltrate()
1797	}
1798	butnottooloud(honk.Audience)
1799	honk.Audience = oneofakind(honk.Audience)
1800	if len(honk.Audience) == 0 {
1801		ilog.Printf("honk to nowhere")
1802		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1803		return nil
1804	}
1805	honk.Public = loudandproud(honk.Audience)
1806	honk.Convoy = convoy
1807
1808	donkxid := r.FormValue("donkxid")
1809	if donkxid == "" {
1810		d, err := submitdonk(w, r)
1811		if err != nil && err != http.ErrMissingFile {
1812			return nil
1813		}
1814		if d != nil {
1815			honk.Donks = append(honk.Donks, d)
1816			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1817		}
1818	} else {
1819		for _, xid := range r.Form["donkxid"] {
1820			p := strings.Split(xid, ":")
1821			xid = p[0]
1822			url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1823			var donk *Donk
1824			if len(p) > 1 {
1825				fileid, _ := strconv.ParseInt(p[1], 10, 0)
1826				donk = finddonkid(fileid, url)
1827			} else {
1828				donk = finddonk(url)
1829			}
1830			if donk != nil {
1831				honk.Donks = append(honk.Donks, donk)
1832			} else {
1833				ilog.Printf("can't find file: %s", xid)
1834			}
1835		}
1836	}
1837	memetize(honk)
1838	imaginate(honk)
1839
1840	placename := strings.TrimSpace(r.FormValue("placename"))
1841	placelat := strings.TrimSpace(r.FormValue("placelat"))
1842	placelong := strings.TrimSpace(r.FormValue("placelong"))
1843	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1844	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1845		p := new(Place)
1846		p.Name = placename
1847		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1848		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1849		p.Url = placeurl
1850		honk.Place = p
1851	}
1852	timestart := strings.TrimSpace(r.FormValue("timestart"))
1853	if timestart != "" {
1854		t := new(Time)
1855		now := time.Now().Local()
1856		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1857			start, err := time.ParseInLocation(layout, timestart, now.Location())
1858			if err == nil {
1859				if start.Year() == 0 {
1860					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1861				}
1862				t.StartTime = start
1863				break
1864			}
1865		}
1866		timeend := r.FormValue("timeend")
1867		dur := parseDuration(timeend)
1868		if dur != 0 {
1869			t.Duration = Duration(dur)
1870		}
1871		if !t.StartTime.IsZero() {
1872			honk.What = "event"
1873			honk.Time = t
1874		}
1875	}
1876
1877	if honk.Public {
1878		honk.Whofore = 2
1879	} else {
1880		honk.Whofore = 3
1881	}
1882
1883	// back to markdown
1884	honk.Noise = noise
1885
1886	if r.FormValue("preview") == "preview" {
1887		honks := []*Honk{honk}
1888		reverbolate(userinfo.UserID, honks)
1889		templinfo := getInfo(r)
1890		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1891		templinfo["Honks"] = honks
1892		templinfo["MapLink"] = getmaplink(userinfo)
1893		templinfo["InReplyTo"] = r.FormValue("rid")
1894		templinfo["Noise"] = r.FormValue("noise")
1895		templinfo["SavedFile"] = donkxid
1896		if tm := honk.Time; tm != nil {
1897			templinfo["ShowTime"] = " "
1898			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1899			if tm.Duration != 0 {
1900				templinfo["Duration"] = tm.Duration
1901			}
1902		}
1903		templinfo["IsPreview"] = true
1904		templinfo["UpdateXID"] = updatexid
1905		templinfo["ServerMessage"] = "honk preview"
1906		err := readviews.Execute(w, "honkpage.html", templinfo)
1907		if err != nil {
1908			elog.Print(err)
1909		}
1910		return nil
1911	}
1912
1913	if updatexid != "" {
1914		updatehonk(honk)
1915		oldjonks.Clear(honk.XID)
1916	} else {
1917		err := savehonk(honk)
1918		if err != nil {
1919			elog.Printf("uh oh")
1920			return nil
1921		}
1922	}
1923
1924	// reload for consistency
1925	honk.Donks = nil
1926	donksforhonks([]*Honk{honk})
1927
1928	go honkworldwide(user, honk)
1929
1930	return honk
1931}
1932
1933func showhonkers(w http.ResponseWriter, r *http.Request) {
1934	userinfo := login.GetUserInfo(r)
1935	templinfo := getInfo(r)
1936	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1937	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1938	err := readviews.Execute(w, "honkers.html", templinfo)
1939	if err != nil {
1940		elog.Print(err)
1941	}
1942}
1943
1944func showchatter(w http.ResponseWriter, r *http.Request) {
1945	u := login.GetUserInfo(r)
1946	chatnewnone(u.UserID)
1947	chatter := loadchatter(u.UserID)
1948	for _, chat := range chatter {
1949		for _, ch := range chat.Chonks {
1950			filterchonk(ch)
1951		}
1952	}
1953
1954	templinfo := getInfo(r)
1955	templinfo["Chatter"] = chatter
1956	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1957	err := readviews.Execute(w, "chatter.html", templinfo)
1958	if err != nil {
1959		elog.Print(err)
1960	}
1961}
1962
1963func submitchonk(w http.ResponseWriter, r *http.Request) {
1964	u := login.GetUserInfo(r)
1965	user, _ := butwhatabout(u.Username)
1966	noise := r.FormValue("noise")
1967	target := r.FormValue("target")
1968	format := "markdown"
1969	dt := time.Now().UTC()
1970	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1971
1972	if !strings.HasPrefix(target, "https://") {
1973		target = fullname(target, u.UserID)
1974	}
1975	if target == "" {
1976		http.Error(w, "who is that?", http.StatusInternalServerError)
1977		return
1978	}
1979	ch := Chonk{
1980		UserID: u.UserID,
1981		XID:    xid,
1982		Who:    user.URL,
1983		Target: target,
1984		Date:   dt,
1985		Noise:  noise,
1986		Format: format,
1987	}
1988	d, err := submitdonk(w, r)
1989	if err != nil && err != http.ErrMissingFile {
1990		return
1991	}
1992	if d != nil {
1993		ch.Donks = append(ch.Donks, d)
1994	}
1995
1996	translatechonk(&ch)
1997	savechonk(&ch)
1998	// reload for consistency
1999	ch.Donks = nil
2000	donksforchonks([]*Chonk{&ch})
2001	go sendchonk(user, &ch)
2002
2003	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
2004}
2005
2006var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
2007	honkers := gethonkers(userid)
2008	var combos []string
2009	for _, h := range honkers {
2010		combos = append(combos, h.Combos...)
2011	}
2012	for i, c := range combos {
2013		if c == "-" {
2014			combos[i] = ""
2015		}
2016	}
2017	combos = oneofakind(combos)
2018	sort.Strings(combos)
2019	return combos, true
2020}, Invalidator: &honkerinvalidator})
2021
2022func showcombos(w http.ResponseWriter, r *http.Request) {
2023	userinfo := login.GetUserInfo(r)
2024	var combos []string
2025	combocache.Get(userinfo.UserID, &combos)
2026	templinfo := getInfo(r)
2027	err := readviews.Execute(w, "combos.html", templinfo)
2028	if err != nil {
2029		elog.Print(err)
2030	}
2031}
2032
2033func websubmithonker(w http.ResponseWriter, r *http.Request) {
2034	h := submithonker(w, r)
2035	if h == nil {
2036		return
2037	}
2038	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2039}
2040
2041func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2042	u := login.GetUserInfo(r)
2043	user, _ := butwhatabout(u.Username)
2044	name := strings.TrimSpace(r.FormValue("name"))
2045	url := strings.TrimSpace(r.FormValue("url"))
2046	peep := r.FormValue("peep")
2047	combos := strings.TrimSpace(r.FormValue("combos"))
2048	combos = " " + combos + " "
2049	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2050
2051	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2052	if name != "" && !re_namecheck.MatchString(name) {
2053		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2054		return nil
2055	}
2056
2057	var meta HonkerMeta
2058	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2059	mj, _ := jsonify(&meta)
2060
2061	defer honkerinvalidator.Clear(u.UserID)
2062
2063	// mostly dummy, fill in later...
2064	h := &Honker{
2065		ID: honkerid,
2066	}
2067
2068	if honkerid > 0 {
2069		if r.FormValue("delete") == "delete" {
2070			unfollowyou(user, honkerid, false)
2071			stmtDeleteHonker.Exec(honkerid)
2072			return h
2073		}
2074		if r.FormValue("unsub") == "unsub" {
2075			unfollowyou(user, honkerid, false)
2076		}
2077		if r.FormValue("sub") == "sub" {
2078			followyou(user, honkerid, false)
2079		}
2080		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2081		if err != nil {
2082			elog.Printf("update honker err: %s", err)
2083			return nil
2084		}
2085		return h
2086	}
2087
2088	if url == "" {
2089		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2090		return nil
2091	}
2092
2093	flavor := "presub"
2094	if peep == "peep" {
2095		flavor = "peep"
2096	}
2097
2098	var err error
2099	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2100	if err != nil {
2101		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2102		return nil
2103	}
2104	if flavor == "presub" {
2105		followyou(user, honkerid, false)
2106	}
2107	h.ID = honkerid
2108	return h
2109}
2110
2111func hfcspage(w http.ResponseWriter, r *http.Request) {
2112	userinfo := login.GetUserInfo(r)
2113
2114	filters := getfilters(userinfo.UserID, filtAny)
2115
2116	templinfo := getInfo(r)
2117	templinfo["Filters"] = filters
2118	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2119	err := readviews.Execute(w, "hfcs.html", templinfo)
2120	if err != nil {
2121		elog.Print(err)
2122	}
2123}
2124
2125func savehfcs(w http.ResponseWriter, r *http.Request) {
2126	userinfo := login.GetUserInfo(r)
2127	itsok := r.FormValue("itsok")
2128	if itsok == "iforgiveyou" {
2129		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2130		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2131		if err != nil {
2132			elog.Printf("error deleting filter: %s", err)
2133		}
2134		filtInvalidator.Clear(userinfo.UserID)
2135		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2136		return
2137	}
2138
2139	filt := new(Filter)
2140	filt.Name = strings.TrimSpace(r.FormValue("name"))
2141	filt.Date = time.Now().UTC()
2142	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2143	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2144	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2145	filt.IsReply = r.FormValue("isreply") == "yes"
2146	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2147	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2148	filt.Reject = r.FormValue("doreject") == "yes"
2149	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2150	filt.Hide = r.FormValue("dohide") == "yes"
2151	filt.Collapse = r.FormValue("docollapse") == "yes"
2152	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2153	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2154	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2155		filt.Expiration = time.Now().UTC().Add(dur)
2156	}
2157	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2158
2159	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2160		ilog.Printf("blank filter")
2161		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2162		return
2163	}
2164
2165	j, err := jsonify(filt)
2166	if err == nil {
2167		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2168	}
2169	if err != nil {
2170		elog.Printf("error saving filter: %s", err)
2171	}
2172
2173	filtInvalidator.Clear(userinfo.UserID)
2174	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2175}
2176
2177func accountpage(w http.ResponseWriter, r *http.Request) {
2178	u := login.GetUserInfo(r)
2179	user, _ := butwhatabout(u.Username)
2180	templinfo := getInfo(r)
2181	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2182	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2183	templinfo["User"] = user
2184	about := user.About
2185	if ava := user.Options.Avatar; ava != "" {
2186		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2187	}
2188	if ban := user.Options.Banner; ban != "" {
2189		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2190	}
2191	templinfo["WhatAbout"] = about
2192	err := readviews.Execute(w, "account.html", templinfo)
2193	if err != nil {
2194		elog.Print(err)
2195	}
2196}
2197
2198func dochpass(w http.ResponseWriter, r *http.Request) {
2199	err := login.ChangePassword(w, r)
2200	if err != nil {
2201		elog.Printf("error changing password: %s", err)
2202	}
2203	http.Redirect(w, r, "/account", http.StatusSeeOther)
2204}
2205
2206var oldfingers = cache.New(cache.Options{Filler: func(orig string) ([]byte, bool) {
2207	if strings.HasPrefix(orig, "acct:") {
2208		orig = orig[5:]
2209	}
2210	name := orig
2211	idx := strings.LastIndexByte(name, '/')
2212	if idx != -1 {
2213		name = name[idx+1:]
2214		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2215			ilog.Printf("foreign request rejected")
2216			name = ""
2217		}
2218	} else {
2219		idx = strings.IndexByte(name, '@')
2220		if idx != -1 {
2221			name = name[:idx]
2222			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2223				ilog.Printf("foreign request rejected")
2224				name = ""
2225			}
2226		}
2227	}
2228	user, err := butwhatabout(name)
2229	if err != nil {
2230		return nil, false
2231	}
2232
2233	j := junk.New()
2234	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2235	j["aliases"] = []string{user.URL}
2236	l := junk.New()
2237	l["rel"] = "self"
2238	l["type"] = `application/activity+json`
2239	l["href"] = user.URL
2240	j["links"] = []junk.Junk{l}
2241	return j.ToBytes(), true
2242}})
2243
2244func fingerlicker(w http.ResponseWriter, r *http.Request) {
2245	orig := r.FormValue("resource")
2246
2247	dlog.Printf("finger lick: %s", orig)
2248
2249	var j []byte
2250	ok := oldfingers.Get(orig, &j)
2251	if ok {
2252		w.Header().Set("Content-Type", "application/jrd+json")
2253		w.Write(j)
2254	} else {
2255		http.NotFound(w, r)
2256	}
2257}
2258
2259func somedays() string {
2260	secs := 432000 + notrand.Int63n(432000)
2261	return fmt.Sprintf("%d", secs)
2262}
2263
2264func lookatme(ava string) string {
2265	if strings.Contains(ava, serverName+"/"+userSep) {
2266		idx := strings.LastIndexByte(ava, '/')
2267		if idx < len(ava) {
2268			name := ava[idx+1:]
2269			user, _ := butwhatabout(name)
2270			if user != nil && user.URL == ava {
2271				return user.Options.Avatar
2272			}
2273		}
2274	}
2275	return ""
2276}
2277
2278func avatate(w http.ResponseWriter, r *http.Request) {
2279	if develMode {
2280		loadAvatarColors()
2281	}
2282	n := r.FormValue("a")
2283	if redir := lookatme(n); redir != "" {
2284		http.Redirect(w, r, redir, http.StatusSeeOther)
2285		return
2286	}
2287	a := genAvatar(n)
2288	if !develMode {
2289		w.Header().Set("Cache-Control", "max-age="+somedays())
2290	}
2291	w.Write(a)
2292}
2293
2294func serveviewasset(w http.ResponseWriter, r *http.Request) {
2295	serveasset(w, r, viewDir)
2296}
2297func servedataasset(w http.ResponseWriter, r *http.Request) {
2298	if r.URL.Path == "/favicon.ico" {
2299		r.URL.Path = "/icon.png"
2300	}
2301	serveasset(w, r, dataDir)
2302}
2303
2304func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2305	if !develMode {
2306		w.Header().Set("Cache-Control", "max-age=7776000")
2307	}
2308	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2309}
2310func servehelp(w http.ResponseWriter, r *http.Request) {
2311	name := mux.Vars(r)["name"]
2312	if !develMode {
2313		w.Header().Set("Cache-Control", "max-age=3600")
2314	}
2315	http.ServeFile(w, r, viewDir+"/docs/"+name)
2316}
2317func servehtml(w http.ResponseWriter, r *http.Request) {
2318	u := login.GetUserInfo(r)
2319	templinfo := getInfo(r)
2320	templinfo["AboutMsg"] = aboutMsg
2321	templinfo["LoginMsg"] = loginMsg
2322	templinfo["HonkVersion"] = softwareVersion
2323	if r.URL.Path == "/about" {
2324		templinfo["Sensors"] = getSensors()
2325	}
2326	if u == nil && !develMode {
2327		w.Header().Set("Cache-Control", "max-age=60")
2328	}
2329	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2330	if err != nil {
2331		elog.Print(err)
2332	}
2333}
2334func serveemu(w http.ResponseWriter, r *http.Request) {
2335	emu := mux.Vars(r)["emu"]
2336
2337	w.Header().Set("Cache-Control", "max-age="+somedays())
2338	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2339}
2340func servememe(w http.ResponseWriter, r *http.Request) {
2341	meme := mux.Vars(r)["meme"]
2342
2343	w.Header().Set("Cache-Control", "max-age="+somedays())
2344	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2345}
2346
2347func servefile(w http.ResponseWriter, r *http.Request) {
2348	xid := mux.Vars(r)["xid"]
2349	var media string
2350	var data []byte
2351	row := stmtGetFileData.QueryRow(xid)
2352	err := row.Scan(&media, &data)
2353	if err != nil {
2354		elog.Printf("error loading file: %s", err)
2355		http.NotFound(w, r)
2356		return
2357	}
2358	w.Header().Set("Content-Type", media)
2359	w.Header().Set("X-Content-Type-Options", "nosniff")
2360	w.Header().Set("Cache-Control", "max-age="+somedays())
2361	w.Write(data)
2362}
2363
2364func nomoroboto(w http.ResponseWriter, r *http.Request) {
2365	io.WriteString(w, "User-agent: *\n")
2366	io.WriteString(w, "Disallow: /a\n")
2367	io.WriteString(w, "Disallow: /d/\n")
2368	io.WriteString(w, "Disallow: /meme/\n")
2369	io.WriteString(w, "Disallow: /o\n")
2370	io.WriteString(w, "Disallow: /o/\n")
2371	io.WriteString(w, "Disallow: /help/\n")
2372	for _, u := range allusers() {
2373		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2374	}
2375}
2376
2377type Hydration struct {
2378	Tophid    int64
2379	Srvmsg    template.HTML
2380	Honks     string
2381	MeCount   int64
2382	ChatCount int64
2383}
2384
2385func webhydra(w http.ResponseWriter, r *http.Request) {
2386	u := login.GetUserInfo(r)
2387	userid := u.UserID
2388	templinfo := getInfo(r)
2389	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2390	page := r.FormValue("page")
2391
2392	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2393
2394	var hydra Hydration
2395
2396	var honks []*Honk
2397	switch page {
2398	case "atme":
2399		honks = gethonksforme(userid, wanted)
2400		honks = osmosis(honks, userid, false)
2401		menewnone(userid)
2402		hydra.Srvmsg = "at me!"
2403	case "longago":
2404		honks = gethonksfromlongago(userid, wanted)
2405		honks = osmosis(honks, userid, false)
2406		hydra.Srvmsg = "from long ago"
2407	case "home":
2408		honks = gethonksforuser(userid, wanted)
2409		honks = osmosis(honks, userid, true)
2410		hydra.Srvmsg = serverMsg
2411	case "first":
2412		honks = gethonksforuserfirstclass(userid, wanted)
2413		honks = osmosis(honks, userid, true)
2414		hydra.Srvmsg = "first class only"
2415	case "saved":
2416		honks = getsavedhonks(userid, wanted)
2417		templinfo["PageName"] = "saved"
2418		hydra.Srvmsg = "saved honks"
2419	case "combo":
2420		c := r.FormValue("c")
2421		honks = gethonksbycombo(userid, c, wanted)
2422		honks = osmosis(honks, userid, false)
2423		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2424	case "convoy":
2425		c := r.FormValue("c")
2426		honks = gethonksbyconvoy(userid, c, wanted)
2427		honks = osmosis(honks, userid, false)
2428		honks = threadsort(honks)
2429		reversehonks(honks)
2430		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2431	case "honker":
2432		xid := r.FormValue("xid")
2433		honks = gethonksbyxonker(userid, xid, wanted)
2434		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2435			<input type="hidden" name="CSRF" value="%s">
2436			<input type="hidden" name="url" value="%s">
2437			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2438			</form>`, login.GetCSRF("submithonker", r), xid)
2439		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2440		hydra.Srvmsg = msg
2441	case "user":
2442		uname := r.FormValue("uname")
2443		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2444		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2445	default:
2446		http.NotFound(w, r)
2447	}
2448
2449	if len(honks) > 0 {
2450		hydra.Tophid = honks[0].ID
2451	} else {
2452		hydra.Tophid = wanted
2453	}
2454	reverbolate(userid, honks)
2455
2456	user, _ := butwhatabout(u.Username)
2457
2458	var buf strings.Builder
2459	templinfo["Honks"] = honks
2460	templinfo["MapLink"] = getmaplink(u)
2461	templinfo["User"], _ = butwhatabout(u.Username)
2462	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2463	if err != nil {
2464		elog.Printf("frag error: %s", err)
2465		return
2466	}
2467	hydra.Honks = buf.String()
2468	hydra.MeCount = user.Options.MeCount
2469	hydra.ChatCount = user.Options.ChatCount
2470	w.Header().Set("Content-Type", "application/json")
2471	j, _ := jsonify(&hydra)
2472	io.WriteString(w, j)
2473}
2474
2475var honkline = make(chan bool)
2476
2477func honkhonkline() {
2478	for {
2479		select {
2480		case honkline <- true:
2481		default:
2482			return
2483		}
2484	}
2485}
2486
2487func apihandler(w http.ResponseWriter, r *http.Request) {
2488	u := login.GetUserInfo(r)
2489	userid := u.UserID
2490	action := r.FormValue("action")
2491	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2492	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2493	switch action {
2494	case "honk":
2495		h := submithonk(w, r)
2496		if h == nil {
2497			return
2498		}
2499		fmt.Fprintf(w, "%s", h.XID)
2500	case "donk":
2501		d, err := submitdonk(w, r)
2502		if err != nil {
2503			http.Error(w, err.Error(), http.StatusBadRequest)
2504			return
2505		}
2506		if d == nil {
2507			http.Error(w, "missing donk", http.StatusBadRequest)
2508			return
2509		}
2510		donkxid := fmt.Sprintf("%s:%d", d.XID, d.FileID)
2511		w.Write([]byte(donkxid))
2512	case "zonkit":
2513		zonkit(w, r)
2514	case "gethonks":
2515		var honks []*Honk
2516		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2517		page := r.FormValue("page")
2518		var waitchan <-chan time.Time
2519	requery:
2520		switch page {
2521		case "atme":
2522			honks = gethonksforme(userid, wanted)
2523			honks = osmosis(honks, userid, false)
2524			menewnone(userid)
2525		case "longago":
2526			honks = gethonksfromlongago(userid, wanted)
2527			honks = osmosis(honks, userid, false)
2528		case "home":
2529			honks = gethonksforuser(userid, wanted)
2530			honks = osmosis(honks, userid, true)
2531		case "myhonks":
2532			honks = gethonksbyuser(u.Username, true, wanted)
2533			honks = osmosis(honks, userid, true)
2534		default:
2535			http.Error(w, "unknown page", http.StatusNotFound)
2536			return
2537		}
2538		if len(honks) == 0 && wait > 0 {
2539			if waitchan == nil {
2540				waitchan = time.After(time.Duration(wait) * time.Second)
2541			}
2542			select {
2543			case <-honkline:
2544				goto requery
2545			case <-waitchan:
2546			}
2547		}
2548		reverbolate(userid, honks)
2549		j := junk.New()
2550		j["honks"] = honks
2551		j.Write(w)
2552	case "sendactivity":
2553		user, _ := butwhatabout(u.Username)
2554		public := r.FormValue("public") == "1"
2555		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2556		msg := []byte(r.FormValue("msg"))
2557		for rcpt := range rcpts {
2558			go deliverate(userid, rcpt, msg)
2559		}
2560	case "gethonkers":
2561		j := junk.New()
2562		j["honkers"] = gethonkers(u.UserID)
2563		j.Write(w)
2564	case "savehonker":
2565		h := submithonker(w, r)
2566		if h == nil {
2567			return
2568		}
2569		fmt.Fprintf(w, "%d", h.ID)
2570	default:
2571		http.Error(w, "unknown action", http.StatusNotFound)
2572		return
2573	}
2574}
2575
2576func fiveoh(w http.ResponseWriter, r *http.Request) {
2577	if !develMode {
2578		return
2579	}
2580	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2581	if err != nil {
2582		elog.Printf("error opening violations! %s", err)
2583		return
2584	}
2585	defer fd.Close()
2586	io.Copy(fd, r.Body)
2587	fd.WriteString("\n")
2588}
2589
2590var endoftheworld = make(chan bool)
2591var readyalready = make(chan bool)
2592var workinprogress = 0
2593
2594func enditall() {
2595	sig := make(chan os.Signal, 1)
2596	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
2597	<-sig
2598	ilog.Printf("stopping...")
2599	for i := 0; i < workinprogress; i++ {
2600		endoftheworld <- true
2601	}
2602	ilog.Printf("waiting...")
2603	for i := 0; i < workinprogress; i++ {
2604		<-readyalready
2605	}
2606	ilog.Printf("apocalypse")
2607	os.Exit(0)
2608}
2609
2610var preservehooks []func()
2611
2612func bgmonitor() {
2613	for {
2614		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2615		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2616		if err != nil {
2617			elog.Printf("error deleting old xonkers: %s", err)
2618		}
2619		zaggies.Flush()
2620		time.Sleep(50 * time.Minute)
2621	}
2622}
2623
2624func addcspheaders(next http.Handler) http.Handler {
2625	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2626		policy := "default-src 'none'; script-src 'self'; connect-src 'self'; style-src 'self'; img-src 'self'; media-src 'self'"
2627		if develMode {
2628			policy += "; report-uri /csp-violation"
2629		}
2630		w.Header().Set("Content-Security-Policy", policy)
2631		next.ServeHTTP(w, r)
2632	})
2633}
2634
2635func emuinit() {
2636	var emunames []string
2637	dir, err := os.Open(dataDir + "/emus")
2638	if err == nil {
2639		emunames, _ = dir.Readdirnames(0)
2640		dir.Close()
2641	}
2642	for _, e := range emunames {
2643		if len(e) <= 4 {
2644			continue
2645		}
2646		ext := e[len(e)-4:]
2647		emu := Emu{
2648			ID:   fmt.Sprintf("/emu/%s", e),
2649			Name: e[:len(e)-4],
2650			Type: "image/" + ext[1:],
2651		}
2652		allemus = append(allemus, emu)
2653	}
2654	sort.Slice(allemus, func(i, j int) bool {
2655		return allemus[i].Name < allemus[j].Name
2656	})
2657}
2658
2659func serve() {
2660	db := opendatabase()
2661	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2662
2663	listener, err := openListener()
2664	if err != nil {
2665		elog.Fatal(err)
2666	}
2667	runBackendServer()
2668	go enditall()
2669	go redeliverator()
2670	go tracker()
2671	go bgmonitor()
2672	go qotd()
2673	loadLingo()
2674	emuinit()
2675
2676	readviews = templates.Load(develMode,
2677		viewDir+"/views/honkpage.html",
2678		viewDir+"/views/honkfrags.html",
2679		viewDir+"/views/honkers.html",
2680		viewDir+"/views/chatter.html",
2681		viewDir+"/views/hfcs.html",
2682		viewDir+"/views/combos.html",
2683		viewDir+"/views/honkform.html",
2684		viewDir+"/views/honk.html",
2685		viewDir+"/views/account.html",
2686		viewDir+"/views/about.html",
2687		viewDir+"/views/funzone.html",
2688		viewDir+"/views/login.html",
2689		viewDir+"/views/xzone.html",
2690		viewDir+"/views/msg.html",
2691		viewDir+"/views/header.html",
2692		viewDir+"/views/onts.html",
2693		viewDir+"/views/emus.html",
2694		viewDir+"/views/honkpage.js",
2695	)
2696	if !develMode {
2697		assets := []string{
2698			viewDir + "/views/style.css",
2699			dataDir + "/views/local.css",
2700			viewDir + "/views/honkpage.js",
2701			viewDir + "/views/misc.js",
2702			dataDir + "/views/local.js",
2703		}
2704		for _, s := range assets {
2705			savedassetparams[s] = getassetparam(s)
2706		}
2707		loadAvatarColors()
2708	}
2709
2710	for _, h := range preservehooks {
2711		h()
2712	}
2713
2714	mux := mux.NewRouter()
2715	mux.Use(addcspheaders)
2716	mux.Use(login.Checker)
2717
2718	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2719
2720	posters := mux.Methods("POST").Subrouter()
2721	getters := mux.Methods("GET").Subrouter()
2722
2723	getters.HandleFunc("/", homepage)
2724	getters.HandleFunc("/home", homepage)
2725	getters.HandleFunc("/front", homepage)
2726	getters.HandleFunc("/events", homepage)
2727	getters.HandleFunc("/robots.txt", nomoroboto)
2728	getters.HandleFunc("/rss", showrss)
2729	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2730	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2731	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2732	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2733	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2734	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2735	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2736	getters.HandleFunc("/a", avatate)
2737	getters.HandleFunc("/o", thelistingoftheontologies)
2738	getters.HandleFunc("/o/{name:.+}", showontology)
2739	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2740	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2741	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2742	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2743
2744	getters.HandleFunc("/flag/{code:.+}", showflag)
2745
2746	getters.HandleFunc("/server", serveractor)
2747	posters.HandleFunc("/server/inbox", serverinbox)
2748	posters.HandleFunc("/inbox", serverinbox)
2749
2750	posters.HandleFunc("/csp-violation", fiveoh)
2751
2752	getters.HandleFunc("/style.css", serveviewasset)
2753	getters.HandleFunc("/honkpage.js", serveviewasset)
2754	getters.HandleFunc("/misc.js", serveviewasset)
2755	getters.HandleFunc("/local.css", servedataasset)
2756	getters.HandleFunc("/local.js", servedataasset)
2757	getters.HandleFunc("/icon.png", servedataasset)
2758	getters.HandleFunc("/favicon.ico", servedataasset)
2759
2760	getters.HandleFunc("/about", servehtml)
2761	getters.HandleFunc("/login", servehtml)
2762	posters.HandleFunc("/dologin", login.LoginFunc)
2763	getters.HandleFunc("/logout", login.LogoutFunc)
2764	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2765
2766	loggedin := mux.NewRoute().Subrouter()
2767	loggedin.Use(login.Required)
2768	loggedin.HandleFunc("/first", homepage)
2769	loggedin.HandleFunc("/chatter", showchatter)
2770	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2771	loggedin.HandleFunc("/saved", homepage)
2772	loggedin.HandleFunc("/account", accountpage)
2773	loggedin.HandleFunc("/funzone", showfunzone)
2774	loggedin.HandleFunc("/chpass", dochpass)
2775	loggedin.HandleFunc("/atme", homepage)
2776	loggedin.HandleFunc("/longago", homepage)
2777	loggedin.HandleFunc("/hfcs", hfcspage)
2778	loggedin.HandleFunc("/xzone", xzone)
2779	loggedin.HandleFunc("/newhonk", newhonkpage)
2780	loggedin.HandleFunc("/edit", edithonkpage)
2781	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2782	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2783	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2784	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2785	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2786	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2787	loggedin.HandleFunc("/honkers", showhonkers)
2788	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2789	loggedin.HandleFunc("/h", showhonker)
2790	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2791	loggedin.HandleFunc("/c", showcombos)
2792	loggedin.HandleFunc("/t", showconvoy)
2793	loggedin.HandleFunc("/q", showsearch)
2794	loggedin.HandleFunc("/hydra", webhydra)
2795	loggedin.HandleFunc("/emus", showemus)
2796	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2797
2798	err = http.Serve(listener, mux)
2799	if err != nil {
2800		elog.Fatal(err)
2801	}
2802}