1//
   2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
   3//
   4// Permission to use, copy, modify, and distribute this software for any
   5// purpose with or without fee is hereby granted, provided that the above
   6// copyright notice and this permission notice appear in all copies.
   7//
   8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15
  16package main
  17
  18import (
  19	"bytes"
  20	"database/sql"
  21	"fmt"
  22	"html/template"
  23	"io"
  24	notrand "math/rand"
  25	"net/http"
  26	"net/url"
  27	"os"
  28	"os/signal"
  29	"regexp"
  30	"sort"
  31	"strconv"
  32	"strings"
  33	"syscall"
  34	"time"
  35	"unicode/utf8"
  36
  37	"github.com/gorilla/mux"
  38	"humungus.tedunangst.com/r/webs/cache"
  39	"humungus.tedunangst.com/r/webs/httpsig"
  40	"humungus.tedunangst.com/r/webs/junk"
  41	"humungus.tedunangst.com/r/webs/login"
  42	"humungus.tedunangst.com/r/webs/rss"
  43	"humungus.tedunangst.com/r/webs/templates"
  44)
  45
  46var readviews *templates.Template
  47
  48var userSep = "u"
  49var honkSep = "h"
  50
  51var develMode = false
  52
  53var allemus []Emu
  54
  55func getuserstyle(u *login.UserInfo) template.HTMLAttr {
  56	if u == nil {
  57		return ""
  58	}
  59	user, _ := butwhatabout(u.Username)
  60	class := template.HTMLAttr("")
  61	if user.Options.SkinnyCSS {
  62		class += `class="skinny"`
  63	}
  64	return class
  65}
  66
  67func getmaplink(u *login.UserInfo) string {
  68	if u == nil {
  69		return "osm"
  70	}
  71	user, _ := butwhatabout(u.Username)
  72	ml := user.Options.MapLink
  73	if ml == "" {
  74		ml = "osm"
  75	}
  76	return ml
  77}
  78
  79func getInfo(r *http.Request) map[string]interface{} {
  80	templinfo := make(map[string]interface{})
  81	templinfo["StyleParam"] = getassetparam(viewDir + "/views/style.css")
  82	templinfo["LocalStyleParam"] = getassetparam(dataDir + "/views/local.css")
  83	templinfo["JSParam"] = getassetparam(viewDir + "/views/honkpage.js")
  84	templinfo["LocalJSParam"] = getassetparam(dataDir + "/views/local.js")
  85	templinfo["MiscJSParam"] = getassetparam(dataDir + "/views/misc.js")
  86	templinfo["ServerName"] = serverName
  87	templinfo["IconName"] = iconName
  88	templinfo["UserSep"] = userSep
  89	if u := login.GetUserInfo(r); u != nil {
  90		templinfo["UserInfo"], _ = butwhatabout(u.Username)
  91		templinfo["UserStyle"] = getuserstyle(u)
  92		var combos []string
  93		combocache.Get(u.UserID, &combos)
  94		templinfo["Combos"] = combos
  95	}
  96	return templinfo
  97}
  98
  99func homepage(w http.ResponseWriter, r *http.Request) {
 100	templinfo := getInfo(r)
 101	u := login.GetUserInfo(r)
 102	var honks []*Honk
 103	var userid int64 = -1
 104
 105	templinfo["ServerMessage"] = serverMsg
 106	if u == nil || r.URL.Path == "/front" {
 107		switch r.URL.Path {
 108		case "/events":
 109			honks = geteventhonks(userid)
 110			templinfo["ServerMessage"] = "some recent and upcoming events"
 111		default:
 112			templinfo["ShowRSS"] = true
 113			honks = getpublichonks()
 114		}
 115	} else {
 116		userid = u.UserID
 117		switch r.URL.Path {
 118		case "/atme":
 119			templinfo["ServerMessage"] = "at me!"
 120			templinfo["PageName"] = "atme"
 121			honks = gethonksforme(userid, 0)
 122			honks = osmosis(honks, userid, false)
 123			menewnone(userid)
 124			templinfo["UserInfo"], _ = butwhatabout(u.Username)
 125		case "/longago":
 126			templinfo["ServerMessage"] = "long ago and far away!"
 127			templinfo["PageName"] = "longago"
 128			honks = gethonksfromlongago(userid, 0)
 129			honks = osmosis(honks, userid, false)
 130		case "/events":
 131			templinfo["ServerMessage"] = "some recent and upcoming events"
 132			templinfo["PageName"] = "events"
 133			honks = geteventhonks(userid)
 134			honks = osmosis(honks, userid, true)
 135		case "/first":
 136			templinfo["PageName"] = "first"
 137			honks = gethonksforuserfirstclass(userid, 0)
 138			honks = osmosis(honks, userid, true)
 139		case "/saved":
 140			templinfo["ServerMessage"] = "saved honks"
 141			templinfo["PageName"] = "saved"
 142			honks = getsavedhonks(userid, 0)
 143		default:
 144			templinfo["PageName"] = "home"
 145			honks = gethonksforuser(userid, 0)
 146			honks = osmosis(honks, userid, true)
 147		}
 148		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 149	}
 150
 151	honkpage(w, u, honks, templinfo)
 152}
 153
 154func showemus(w http.ResponseWriter, r *http.Request) {
 155	templinfo := getInfo(r)
 156	templinfo["Emus"] = allemus
 157	err := readviews.Execute(w, "emus.html", templinfo)
 158	if err != nil {
 159		elog.Print(err)
 160	}
 161}
 162
 163func showfunzone(w http.ResponseWriter, r *http.Request) {
 164	var emunames, memenames []string
 165	emuext := make(map[string]string)
 166	dir, err := os.Open(dataDir + "/emus")
 167	if err == nil {
 168		emunames, _ = dir.Readdirnames(0)
 169		dir.Close()
 170	}
 171	for i, e := range emunames {
 172		if len(e) > 4 {
 173			emunames[i] = e[:len(e)-4]
 174			emuext[emunames[i]] = e[len(e)-4:]
 175		}
 176	}
 177	dir, err = os.Open(dataDir + "/memes")
 178	if err == nil {
 179		memenames, _ = dir.Readdirnames(0)
 180		dir.Close()
 181	}
 182	sort.Strings(emunames)
 183	sort.Strings(memenames)
 184	templinfo := getInfo(r)
 185	templinfo["Emus"] = emunames
 186	templinfo["Emuext"] = emuext
 187	templinfo["Memes"] = memenames
 188	err = readviews.Execute(w, "funzone.html", templinfo)
 189	if err != nil {
 190		elog.Print(err)
 191	}
 192}
 193
 194func showrss(w http.ResponseWriter, r *http.Request) {
 195	name := mux.Vars(r)["name"]
 196
 197	var honks []*Honk
 198	if name != "" {
 199		honks = gethonksbyuser(name, false, 0)
 200	} else {
 201		honks = getpublichonks()
 202	}
 203	reverbolate(-1, honks)
 204
 205	home := fmt.Sprintf("https://%s/", serverName)
 206	base := home
 207	if name != "" {
 208		home += "u/" + name
 209		name += " "
 210	}
 211	feed := rss.Feed{
 212		Title:       name + "honk",
 213		Link:        home,
 214		Description: name + "honk rss",
 215		Image: &rss.Image{
 216			URL:   base + "icon.png",
 217			Title: name + "honk rss",
 218			Link:  home,
 219		},
 220	}
 221	var modtime time.Time
 222	for _, honk := range honks {
 223		if !firstclass(honk) {
 224			continue
 225		}
 226		desc := string(honk.HTML)
 227		if t := honk.Time; t != nil {
 228			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 229			if t.Duration != 0 {
 230				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 231			}
 232		}
 233		if p := honk.Place; p != nil {
 234			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 235				p.Url, p.Name, p.Latitude, p.Longitude))
 236		}
 237		for _, d := range honk.Donks {
 238			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 239				d.URL, d.Desc))
 240			if strings.HasPrefix(d.Media, "image") {
 241				desc += string(templates.Sprintf(`<img src="%s">`, d.URL))
 242			}
 243		}
 244
 245		feed.Items = append(feed.Items, &rss.Item{
 246			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 247			Description: rss.CData{Data: desc},
 248			Link:        honk.URL,
 249			PubDate:     honk.Date.Format(time.RFC1123),
 250			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 251		})
 252		if honk.Date.After(modtime) {
 253			modtime = honk.Date
 254		}
 255	}
 256	if !develMode {
 257		w.Header().Set("Cache-Control", "max-age=300")
 258		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 259	}
 260
 261	err := feed.Write(w)
 262	if err != nil {
 263		elog.Printf("error writing rss: %s", err)
 264	}
 265}
 266
 267func crappola(j junk.Junk) bool {
 268	t, _ := j.GetString("type")
 269	a, _ := j.GetString("actor")
 270	o, _ := j.GetString("object")
 271	if t == "Delete" && a == o {
 272		dlog.Printf("crappola from %s", a)
 273		return true
 274	}
 275	return false
 276}
 277
 278func ping(user *WhatAbout, who string) {
 279	if targ := fullname(who, user.ID); targ != "" {
 280		who = targ
 281	}
 282	if !strings.HasPrefix(who, "https:") {
 283		who = gofish(who)
 284	}
 285	if who == "" {
 286		ilog.Printf("nobody to ping!")
 287		return
 288	}
 289	var box *Box
 290	ok := boxofboxes.Get(who, &box)
 291	if !ok {
 292		ilog.Printf("no inbox to ping %s", who)
 293		return
 294	}
 295	ilog.Printf("sending ping to %s", box.In)
 296	j := junk.New()
 297	j["@context"] = itiswhatitis
 298	j["type"] = "Ping"
 299	j["id"] = user.URL + "/ping/" + xfiltrate()
 300	j["actor"] = user.URL
 301	j["to"] = who
 302	ki := ziggy(user.ID)
 303	if ki == nil {
 304		return
 305	}
 306	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 307	if err != nil {
 308		elog.Printf("can't send ping: %s", err)
 309		return
 310	}
 311	ilog.Printf("sent ping to %s: %s", who, j["id"])
 312}
 313
 314func pong(user *WhatAbout, who string, obj string) {
 315	var box *Box
 316	ok := boxofboxes.Get(who, &box)
 317	if !ok {
 318		ilog.Printf("no inbox to pong %s", who)
 319		return
 320	}
 321	j := junk.New()
 322	j["@context"] = itiswhatitis
 323	j["type"] = "Pong"
 324	j["id"] = user.URL + "/pong/" + xfiltrate()
 325	j["actor"] = user.URL
 326	j["to"] = who
 327	j["object"] = obj
 328	ki := ziggy(user.ID)
 329	if ki == nil {
 330		return
 331	}
 332	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 333	if err != nil {
 334		elog.Printf("can't send pong: %s", err)
 335		return
 336	}
 337}
 338
 339func inbox(w http.ResponseWriter, r *http.Request) {
 340	name := mux.Vars(r)["name"]
 341	user, err := butwhatabout(name)
 342	if err != nil {
 343		http.NotFound(w, r)
 344		return
 345	}
 346	if stealthmode(user.ID, r) {
 347		http.NotFound(w, r)
 348		return
 349	}
 350	var buf bytes.Buffer
 351	limiter := io.LimitReader(r.Body, 1*1024*1024)
 352	io.Copy(&buf, limiter)
 353	payload := buf.Bytes()
 354	j, err := junk.FromBytes(payload)
 355	if err != nil {
 356		ilog.Printf("bad payload: %s", err)
 357		ilog.Writer().Write(payload)
 358		ilog.Writer().Write([]byte{'\n'})
 359		return
 360	}
 361
 362	if crappola(j) {
 363		return
 364	}
 365	what, _ := j.GetString("type")
 366	obj, _ := j.GetString("object")
 367	if what == "Like" || (what == "EmojiReact" && originate(obj) != serverName) {
 368		return
 369	}
 370	who, _ := j.GetString("actor")
 371	if rejectactor(user.ID, who) {
 372		return
 373	}
 374
 375	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 376	if err != nil && keyname != "" {
 377		savingthrow(keyname)
 378		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 379	}
 380	if err != nil {
 381		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 382		if keyname != "" {
 383			ilog.Printf("bad signature from %s", keyname)
 384		}
 385		http.Error(w, "what did you call me?", http.StatusTeapot)
 386		return
 387	}
 388	origin := keymatch(keyname, who)
 389	if origin == "" {
 390		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 391		return
 392	}
 393
 394	switch what {
 395	case "Ping":
 396		id, _ := j.GetString("id")
 397		ilog.Printf("ping from %s: %s", who, id)
 398		pong(user, who, id)
 399	case "Pong":
 400		ilog.Printf("pong from %s: %s", who, obj)
 401	case "Follow":
 402		if obj != user.URL {
 403			ilog.Printf("can't follow %s", obj)
 404			return
 405		}
 406		followme(user, who, who, j)
 407	case "Accept":
 408		followyou2(user, j)
 409	case "Reject":
 410		nofollowyou2(user, j)
 411	case "Update":
 412		obj, ok := j.GetMap("object")
 413		if ok {
 414			what, _ := obj.GetString("type")
 415			switch what {
 416			case "Service":
 417				fallthrough
 418			case "Person":
 419				return
 420			case "Question":
 421				return
 422			}
 423		}
 424		go xonksaver(user, j, origin)
 425	case "Undo":
 426		obj, ok := j.GetMap("object")
 427		if !ok {
 428			folxid, ok := j.GetString("object")
 429			if ok && originate(folxid) == origin {
 430				unfollowme(user, "", "", j)
 431			}
 432			return
 433		}
 434		what, _ := obj.GetString("type")
 435		switch what {
 436		case "Follow":
 437			unfollowme(user, who, who, j)
 438		case "Announce":
 439			xid, _ := obj.GetString("object")
 440			dlog.Printf("undo announce: %s", xid)
 441		case "Like":
 442		default:
 443			ilog.Printf("unknown undo: %s", what)
 444		}
 445	case "EmojiReact":
 446		obj, ok := j.GetString("object")
 447		if ok {
 448			content, _ := j.GetString("content")
 449			addreaction(user, obj, who, content)
 450		}
 451	default:
 452		go xonksaver(user, j, origin)
 453	}
 454}
 455
 456func serverinbox(w http.ResponseWriter, r *http.Request) {
 457	user := getserveruser()
 458	if stealthmode(user.ID, r) {
 459		http.NotFound(w, r)
 460		return
 461	}
 462	var buf bytes.Buffer
 463	io.Copy(&buf, r.Body)
 464	payload := buf.Bytes()
 465	j, err := junk.FromBytes(payload)
 466	if err != nil {
 467		ilog.Printf("bad payload: %s", err)
 468		ilog.Writer().Write(payload)
 469		ilog.Writer().Write([]byte{'\n'})
 470		return
 471	}
 472	if crappola(j) {
 473		return
 474	}
 475	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 476	if err != nil && keyname != "" {
 477		savingthrow(keyname)
 478		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 479	}
 480	if err != nil {
 481		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 482		if keyname != "" {
 483			ilog.Printf("bad signature from %s", keyname)
 484		}
 485		http.Error(w, "what did you call me?", http.StatusTeapot)
 486		return
 487	}
 488	who, _ := j.GetString("actor")
 489	origin := keymatch(keyname, who)
 490	if origin == "" {
 491		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 492		return
 493	}
 494	if rejectactor(user.ID, who) {
 495		return
 496	}
 497	re_ont := regexp.MustCompile("https://" + serverName + "/o/([\\pL[:digit:]]+)")
 498	what, _ := j.GetString("type")
 499	dlog.Printf("server got a %s", what)
 500	switch what {
 501	case "Follow":
 502		obj, _ := j.GetString("object")
 503		if obj == user.URL {
 504			ilog.Printf("can't follow the server!")
 505			return
 506		}
 507		m := re_ont.FindStringSubmatch(obj)
 508		if len(m) != 2 {
 509			ilog.Printf("not sure how to handle this")
 510			return
 511		}
 512		ont := "#" + m[1]
 513
 514		followme(user, who, ont, j)
 515	case "Undo":
 516		obj, ok := j.GetMap("object")
 517		if !ok {
 518			ilog.Printf("unknown undo no object")
 519			return
 520		}
 521		what, _ := obj.GetString("type")
 522		if what != "Follow" {
 523			ilog.Printf("unknown undo: %s", what)
 524			return
 525		}
 526		targ, _ := obj.GetString("object")
 527		m := re_ont.FindStringSubmatch(targ)
 528		if len(m) != 2 {
 529			ilog.Printf("not sure how to handle this")
 530			return
 531		}
 532		ont := "#" + m[1]
 533		unfollowme(user, who, ont, j)
 534	default:
 535		ilog.Printf("unhandled server activity: %s", what)
 536		dumpactivity(j)
 537	}
 538}
 539
 540func serveractor(w http.ResponseWriter, r *http.Request) {
 541	user := getserveruser()
 542	if stealthmode(user.ID, r) {
 543		http.NotFound(w, r)
 544		return
 545	}
 546	j := junkuser(user)
 547	j.Write(w)
 548}
 549
 550func ximport(w http.ResponseWriter, r *http.Request) {
 551	u := login.GetUserInfo(r)
 552	xid := strings.TrimSpace(r.FormValue("q"))
 553	xonk := getxonk(u.UserID, xid)
 554	if xonk == nil {
 555		p, _ := investigate(xid)
 556		if p != nil {
 557			xid = p.XID
 558		}
 559		j, err := GetJunk(u.UserID, xid)
 560		if err != nil {
 561			http.Error(w, "error getting external object", http.StatusInternalServerError)
 562			ilog.Printf("error getting external object: %s", err)
 563			return
 564		}
 565		allinjest(originate(xid), j)
 566		dlog.Printf("importing %s", xid)
 567		user, _ := butwhatabout(u.Username)
 568
 569		info, _ := somethingabout(j)
 570		if info == nil {
 571			xonk = xonksaver(user, j, originate(xid))
 572		} else if info.What == SomeActor {
 573			outbox, _ := j.GetString("outbox")
 574			gimmexonks(user, outbox)
 575			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 576			return
 577		} else if info.What == SomeCollection {
 578			gimmexonks(user, xid)
 579			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 580			return
 581		}
 582	}
 583	convoy := ""
 584	if xonk != nil {
 585		convoy = xonk.Convoy
 586	}
 587	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 588}
 589
 590func xzone(w http.ResponseWriter, r *http.Request) {
 591	u := login.GetUserInfo(r)
 592	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 593	if err != nil {
 594		elog.Printf("query err: %s", err)
 595		return
 596	}
 597	defer rows.Close()
 598	var honkers []Honker
 599	for rows.Next() {
 600		var xid string
 601		rows.Scan(&xid)
 602		honkers = append(honkers, Honker{XID: xid})
 603	}
 604	rows.Close()
 605	for i, _ := range honkers {
 606		_, honkers[i].Handle = handles(honkers[i].XID)
 607	}
 608	templinfo := getInfo(r)
 609	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 610	templinfo["Honkers"] = honkers
 611	err = readviews.Execute(w, "xzone.html", templinfo)
 612	if err != nil {
 613		elog.Print(err)
 614	}
 615}
 616
 617var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 618	user, err := butwhatabout(name)
 619	if err != nil {
 620		return nil, false
 621	}
 622	honks := gethonksbyuser(name, false, 0)
 623	if len(honks) > 20 {
 624		honks = honks[0:20]
 625	}
 626
 627	var jonks []junk.Junk
 628	for _, h := range honks {
 629		j, _ := jonkjonk(user, h)
 630		jonks = append(jonks, j)
 631	}
 632
 633	j := junk.New()
 634	j["@context"] = itiswhatitis
 635	j["id"] = user.URL + "/outbox"
 636	j["attributedTo"] = user.URL
 637	j["type"] = "OrderedCollection"
 638	j["totalItems"] = len(jonks)
 639	j["orderedItems"] = jonks
 640
 641	return j.ToBytes(), true
 642}, Duration: 1 * time.Minute})
 643
 644func outbox(w http.ResponseWriter, r *http.Request) {
 645	name := mux.Vars(r)["name"]
 646	user, err := butwhatabout(name)
 647	if err != nil {
 648		http.NotFound(w, r)
 649		return
 650	}
 651	if stealthmode(user.ID, r) {
 652		http.NotFound(w, r)
 653		return
 654	}
 655	var j []byte
 656	ok := oldoutbox.Get(name, &j)
 657	if ok {
 658		w.Header().Set("Content-Type", theonetruename)
 659		w.Write(j)
 660	} else {
 661		http.NotFound(w, r)
 662	}
 663}
 664
 665var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 666	colname := "/followers"
 667	if strings.HasSuffix(url, "/following") {
 668		colname = "/following"
 669	}
 670	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 671	j := junk.New()
 672	j["@context"] = itiswhatitis
 673	j["id"] = user + colname
 674	j["attributedTo"] = user
 675	j["type"] = "OrderedCollection"
 676	j["totalItems"] = 0
 677	j["orderedItems"] = []junk.Junk{}
 678
 679	return j.ToBytes(), true
 680}})
 681
 682func emptiness(w http.ResponseWriter, r *http.Request) {
 683	name := mux.Vars(r)["name"]
 684	user, err := butwhatabout(name)
 685	if err != nil {
 686		http.NotFound(w, r)
 687		return
 688	}
 689	if stealthmode(user.ID, r) {
 690		http.NotFound(w, r)
 691		return
 692	}
 693	var j []byte
 694	ok := oldempties.Get(r.URL.Path, &j)
 695	if ok {
 696		w.Header().Set("Content-Type", theonetruename)
 697		w.Write(j)
 698	} else {
 699		http.NotFound(w, r)
 700	}
 701}
 702
 703func showuser(w http.ResponseWriter, r *http.Request) {
 704	name := mux.Vars(r)["name"]
 705	user, err := butwhatabout(name)
 706	if err != nil {
 707		ilog.Printf("user not found %s: %s", name, err)
 708		http.NotFound(w, r)
 709		return
 710	}
 711	if stealthmode(user.ID, r) {
 712		http.NotFound(w, r)
 713		return
 714	}
 715	if friendorfoe(r.Header.Get("Accept")) {
 716		j, ok := asjonker(name)
 717		if ok {
 718			w.Header().Set("Content-Type", theonetruename)
 719			w.Write(j)
 720		} else {
 721			http.NotFound(w, r)
 722		}
 723		return
 724	}
 725	u := login.GetUserInfo(r)
 726	honks := gethonksbyuser(name, u != nil && u.Username == name, 0)
 727	templinfo := getInfo(r)
 728	templinfo["PageName"] = "user"
 729	templinfo["PageArg"] = name
 730	templinfo["Name"] = user.Name
 731	templinfo["WhatAbout"] = user.HTAbout
 732	templinfo["ServerMessage"] = ""
 733	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 734	honkpage(w, u, honks, templinfo)
 735}
 736
 737func showhonker(w http.ResponseWriter, r *http.Request) {
 738	u := login.GetUserInfo(r)
 739	name := mux.Vars(r)["name"]
 740	var honks []*Honk
 741	if name == "" {
 742		name = r.FormValue("xid")
 743		honks = gethonksbyxonker(u.UserID, name, 0)
 744	} else {
 745		honks = gethonksbyhonker(u.UserID, name, 0)
 746	}
 747	miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
 748<input type="hidden" name="CSRF" value="%s">
 749<input type="hidden" name="url" value="%s">
 750<button tabindex=1 name="add honker" value="add honker">add honker</button>
 751</form>`, login.GetCSRF("submithonker", r), name)
 752	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, name, name, miniform)
 753	templinfo := getInfo(r)
 754	templinfo["PageName"] = "honker"
 755	templinfo["PageArg"] = name
 756	templinfo["ServerMessage"] = msg
 757	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 758	honkpage(w, u, honks, templinfo)
 759}
 760
 761func showcombo(w http.ResponseWriter, r *http.Request) {
 762	name := mux.Vars(r)["name"]
 763	u := login.GetUserInfo(r)
 764	honks := gethonksbycombo(u.UserID, name, 0)
 765	honks = osmosis(honks, u.UserID, true)
 766	templinfo := getInfo(r)
 767	templinfo["PageName"] = "combo"
 768	templinfo["PageArg"] = name
 769	templinfo["ServerMessage"] = "honks by combo: " + name
 770	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 771	honkpage(w, u, honks, templinfo)
 772}
 773func showconvoy(w http.ResponseWriter, r *http.Request) {
 774	c := r.FormValue("c")
 775	u := login.GetUserInfo(r)
 776	honks := gethonksbyconvoy(u.UserID, c, 0)
 777	templinfo := getInfo(r)
 778	if len(honks) > 0 {
 779		templinfo["TopHID"] = honks[0].ID
 780	}
 781	honks = osmosis(honks, u.UserID, false)
 782	//reversehonks(honks)
 783	honks = threadsort(honks)
 784	templinfo["PageName"] = "convoy"
 785	templinfo["PageArg"] = c
 786	templinfo["ServerMessage"] = "honks in convoy: " + c
 787	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 788	honkpage(w, u, honks, templinfo)
 789}
 790func showsearch(w http.ResponseWriter, r *http.Request) {
 791	q := r.FormValue("q")
 792	if strings.HasPrefix(q, "https://") {
 793		ximport(w, r)
 794		return
 795	}
 796	u := login.GetUserInfo(r)
 797	honks := gethonksbysearch(u.UserID, q, 0)
 798	templinfo := getInfo(r)
 799	templinfo["PageName"] = "search"
 800	templinfo["PageArg"] = q
 801	templinfo["ServerMessage"] = "honks for search: " + q
 802	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 803	honkpage(w, u, honks, templinfo)
 804}
 805func showontology(w http.ResponseWriter, r *http.Request) {
 806	name := mux.Vars(r)["name"]
 807	u := login.GetUserInfo(r)
 808	var userid int64 = -1
 809	if u != nil {
 810		userid = u.UserID
 811	}
 812	honks := gethonksbyontology(userid, "#"+name, 0)
 813	if friendorfoe(r.Header.Get("Accept")) {
 814		if len(honks) > 40 {
 815			honks = honks[0:40]
 816		}
 817
 818		var xids []string
 819		for _, h := range honks {
 820			xids = append(xids, h.XID)
 821		}
 822
 823		user := getserveruser()
 824
 825		j := junk.New()
 826		j["@context"] = itiswhatitis
 827		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 828		j["name"] = "#" + name
 829		j["attributedTo"] = user.URL
 830		j["type"] = "OrderedCollection"
 831		j["totalItems"] = len(xids)
 832		j["orderedItems"] = xids
 833
 834		j.Write(w)
 835		return
 836	}
 837
 838	templinfo := getInfo(r)
 839	templinfo["ServerMessage"] = "honks by ontology: " + name
 840	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 841	honkpage(w, u, honks, templinfo)
 842}
 843
 844type Ont struct {
 845	Name  string
 846	Count int64
 847}
 848
 849func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 850	u := login.GetUserInfo(r)
 851	var userid int64 = -1
 852	if u != nil {
 853		userid = u.UserID
 854	}
 855	rows, err := stmtAllOnts.Query(userid)
 856	if err != nil {
 857		elog.Printf("selection error: %s", err)
 858		return
 859	}
 860	defer rows.Close()
 861	var onts []Ont
 862	for rows.Next() {
 863		var o Ont
 864		err := rows.Scan(&o.Name, &o.Count)
 865		if err != nil {
 866			elog.Printf("error scanning ont: %s", err)
 867			continue
 868		}
 869		if utf8.RuneCountInString(o.Name) > 24 {
 870			continue
 871		}
 872		o.Name = o.Name[1:]
 873		onts = append(onts, o)
 874	}
 875	sort.Slice(onts, func(i, j int) bool {
 876		return onts[i].Name < onts[j].Name
 877	})
 878	if u == nil && !develMode {
 879		w.Header().Set("Cache-Control", "max-age=300")
 880	}
 881	templinfo := getInfo(r)
 882	templinfo["Onts"] = onts
 883	templinfo["FirstRune"] = func(s string) rune { r, _ := utf8.DecodeRuneInString(s); return r }
 884	err = readviews.Execute(w, "onts.html", templinfo)
 885	if err != nil {
 886		elog.Print(err)
 887	}
 888}
 889
 890type Track struct {
 891	xid string
 892	who string
 893}
 894
 895func getbacktracks(xid string) []string {
 896	c := make(chan bool)
 897	dumptracks <- c
 898	<-c
 899	row := stmtGetTracks.QueryRow(xid)
 900	var rawtracks string
 901	err := row.Scan(&rawtracks)
 902	if err != nil {
 903		if err != sql.ErrNoRows {
 904			elog.Printf("error scanning tracks: %s", err)
 905		}
 906		return nil
 907	}
 908	var rcpts []string
 909	for _, f := range strings.Split(rawtracks, " ") {
 910		idx := strings.LastIndexByte(f, '#')
 911		if idx != -1 {
 912			f = f[:idx]
 913		}
 914		if !strings.HasPrefix(f, "https://") {
 915			f = fmt.Sprintf("%%https://%s/inbox", f)
 916		}
 917		rcpts = append(rcpts, f)
 918	}
 919	return rcpts
 920}
 921
 922func savetracks(tracks map[string][]string) {
 923	db := opendatabase()
 924	tx, err := db.Begin()
 925	if err != nil {
 926		elog.Printf("savetracks begin error: %s", err)
 927		return
 928	}
 929	defer func() {
 930		err := tx.Commit()
 931		if err != nil {
 932			elog.Printf("savetracks commit error: %s", err)
 933		}
 934
 935	}()
 936	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
 937	if err != nil {
 938		elog.Printf("savetracks error: %s", err)
 939		return
 940	}
 941	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
 942	if err != nil {
 943		elog.Printf("savetracks error: %s", err)
 944		return
 945	}
 946	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
 947	if err != nil {
 948		elog.Printf("savetracks error: %s", err)
 949		return
 950	}
 951	count := 0
 952	for xid, f := range tracks {
 953		count += len(f)
 954		var prev string
 955		row := stmtGetTracks.QueryRow(xid)
 956		err := row.Scan(&prev)
 957		if err == sql.ErrNoRows {
 958			f = oneofakind(f)
 959			stmtNewTracks.Exec(xid, strings.Join(f, " "))
 960		} else if err == nil {
 961			all := append(strings.Split(prev, " "), f...)
 962			all = oneofakind(all)
 963			stmtUpdateTracks.Exec(strings.Join(all, " "))
 964		} else {
 965			elog.Printf("savetracks error: %s", err)
 966		}
 967	}
 968	dlog.Printf("saved %d new fetches", count)
 969}
 970
 971var trackchan = make(chan Track)
 972var dumptracks = make(chan chan bool)
 973
 974func tracker() {
 975	timeout := 4 * time.Minute
 976	sleeper := time.NewTimer(timeout)
 977	tracks := make(map[string][]string)
 978	workinprogress++
 979	for {
 980		select {
 981		case track := <-trackchan:
 982			tracks[track.xid] = append(tracks[track.xid], track.who)
 983		case <-sleeper.C:
 984			if len(tracks) > 0 {
 985				go savetracks(tracks)
 986				tracks = make(map[string][]string)
 987			}
 988			sleeper.Reset(timeout)
 989		case c := <-dumptracks:
 990			if len(tracks) > 0 {
 991				savetracks(tracks)
 992			}
 993			c <- true
 994		case <-endoftheworld:
 995			if len(tracks) > 0 {
 996				savetracks(tracks)
 997			}
 998			readyalready <- true
 999			return
1000		}
1001	}
1002}
1003
1004var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1005
1006func trackback(xid string, r *http.Request) {
1007	agent := r.UserAgent()
1008	who := originate(agent)
1009	sig := r.Header.Get("Signature")
1010	if sig != "" {
1011		m := re_keyholder.FindStringSubmatch(sig)
1012		if len(m) == 2 {
1013			who = m[1]
1014		}
1015	}
1016	if who != "" {
1017		trackchan <- Track{xid: xid, who: who}
1018	}
1019}
1020
1021func threadsort(honks []*Honk) []*Honk {
1022	honkx := make(map[string]*Honk)
1023	kids := make(map[string][]*Honk)
1024	for _, h := range honks {
1025		honkx[h.XID] = h
1026		if h.RID == "" {
1027			honkx[""] = h
1028		}
1029		rid := h.RID
1030		kids[rid] = append(kids[rid], h)
1031	}
1032	done := make(map[*Honk]bool)
1033	var thread []*Honk
1034	var nextlevel func(p *Honk)
1035	level := 0
1036	nextlevel = func(p *Honk) {
1037		levelup := level < 4
1038		if pp := honkx[p.RID]; pp != nil && p.Honker == pp.Honker {
1039			levelup = false
1040		}
1041		if levelup {
1042			level++
1043		}
1044		p.Style += fmt.Sprintf(" level%d", level)
1045		childs := kids[p.XID]
1046		sort.Slice(childs, func(i, j int) bool {
1047			return childs[i].Date.Before(childs[j].Date)
1048		})
1049		for _, h := range childs {
1050			done[h] = true
1051			thread = append(thread, h)
1052			nextlevel(h)
1053		}
1054		if levelup {
1055			level--
1056		}
1057	}
1058	for _, h := range honks {
1059		if h.RID == "" {
1060			done[h] = true
1061			thread = append(thread, h)
1062			nextlevel(h)
1063		}
1064	}
1065	for _, h := range honks {
1066		if !done[h] {
1067			done[h] = true
1068			thread = append(thread, h)
1069			nextlevel(h)
1070		}
1071	}
1072	return thread
1073}
1074
1075func honkology(honk *Honk) template.HTML {
1076	var user *WhatAbout
1077	ok := somenumberedusers.Get(honk.UserID, &user)
1078	if !ok {
1079		return ""
1080	}
1081	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1082	imgurl := avatarURL(user)
1083	for _, d := range honk.Donks {
1084		if d.Local && strings.HasPrefix(d.Media, "image") {
1085			imgurl = d.URL
1086			break
1087		}
1088	}
1089	short := honk.Noise
1090	if len(short) > 160 {
1091		short = short[0:160] + "..."
1092	}
1093	return templates.Sprintf(
1094		`<meta property="og:title" content="%s" />
1095<meta property="og:type" content="article" />
1096<meta property="article:author" content="%s" />
1097<meta property="og:url" content="%s" />
1098<meta property="og:image" content="%s" />
1099<meta property="og:description" content="%s" />`,
1100		title, user.URL, honk.XID, imgurl, short)
1101}
1102
1103func showonehonk(w http.ResponseWriter, r *http.Request) {
1104	name := mux.Vars(r)["name"]
1105	user, err := butwhatabout(name)
1106	if err != nil {
1107		http.NotFound(w, r)
1108		return
1109	}
1110	if stealthmode(user.ID, r) {
1111		http.NotFound(w, r)
1112		return
1113	}
1114	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1115
1116	if friendorfoe(r.Header.Get("Accept")) {
1117		j, ok := gimmejonk(xid)
1118		if ok {
1119			trackback(xid, r)
1120			w.Header().Set("Content-Type", theonetruename)
1121			w.Write(j)
1122		} else {
1123			http.NotFound(w, r)
1124		}
1125		return
1126	}
1127	honk := getxonk(user.ID, xid)
1128	if honk == nil {
1129		http.NotFound(w, r)
1130		return
1131	}
1132	u := login.GetUserInfo(r)
1133	if u != nil && u.UserID != user.ID {
1134		u = nil
1135	}
1136	if !honk.Public {
1137		if u == nil {
1138			http.NotFound(w, r)
1139			return
1140
1141		}
1142		honks := []*Honk{honk}
1143		donksforhonks(honks)
1144		templinfo := getInfo(r)
1145		templinfo["ServerMessage"] = "one honk maybe more"
1146		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1147		honkpage(w, u, honks, templinfo)
1148		return
1149	}
1150
1151	templinfo := getInfo(r)
1152	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1153	//reversehonks(rawhonks)
1154	rawhonks = threadsort(rawhonks)
1155	var honks []*Honk
1156	for _, h := range rawhonks {
1157		if h.XID == xid {
1158			templinfo["Honkology"] = honkology(h)
1159			if len(honks) != 0 {
1160				h.Style += " glow"
1161			}
1162		}
1163		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1164			honks = append(honks, h)
1165		}
1166	}
1167
1168	templinfo["ServerMessage"] = "one honk maybe more"
1169	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1170	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1171	honkpage(w, u, honks, templinfo)
1172}
1173
1174func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1175	var userid int64 = -1
1176	if u != nil {
1177		userid = u.UserID
1178		templinfo["User"], _ = butwhatabout(u.Username)
1179	}
1180	reverbolate(userid, honks)
1181	templinfo["Honks"] = honks
1182	templinfo["MapLink"] = getmaplink(u)
1183	if templinfo["TopHID"] == nil {
1184		if len(honks) > 0 {
1185			templinfo["TopHID"] = honks[0].ID
1186		} else {
1187			templinfo["TopHID"] = 0
1188		}
1189	}
1190	if u == nil && !develMode {
1191		w.Header().Set("Cache-Control", "max-age=60")
1192	}
1193	err := readviews.Execute(w, "honkpage.html", templinfo)
1194	if err != nil {
1195		elog.Print(err)
1196	}
1197}
1198
1199func saveuser(w http.ResponseWriter, r *http.Request) {
1200	whatabout := r.FormValue("whatabout")
1201	whatabout = strings.Replace(whatabout, "\r", "", -1)
1202	u := login.GetUserInfo(r)
1203	user, _ := butwhatabout(u.Username)
1204	db := opendatabase()
1205
1206	options := user.Options
1207	if r.FormValue("skinny") == "skinny" {
1208		options.SkinnyCSS = true
1209	} else {
1210		options.SkinnyCSS = false
1211	}
1212	if r.FormValue("omitimages") == "omitimages" {
1213		options.OmitImages = true
1214	} else {
1215		options.OmitImages = false
1216	}
1217	if r.FormValue("mentionall") == "mentionall" {
1218		options.MentionAll = true
1219	} else {
1220		options.MentionAll = false
1221	}
1222	if r.FormValue("inlineqts") == "inlineqts" {
1223		options.InlineQuotes = true
1224	} else {
1225		options.InlineQuotes = false
1226	}
1227	if r.FormValue("maps") == "apple" {
1228		options.MapLink = "apple"
1229	} else {
1230		options.MapLink = ""
1231	}
1232	options.Reaction = r.FormValue("reaction")
1233
1234	sendupdate := false
1235	ava := re_avatar.FindString(whatabout)
1236	if ava != "" {
1237		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1238		ava = ava[7:]
1239		if ava[0] == ' ' {
1240			ava = ava[1:]
1241		}
1242		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1243	}
1244	if ava != options.Avatar {
1245		options.Avatar = ava
1246		sendupdate = true
1247	}
1248	ban := re_banner.FindString(whatabout)
1249	if ban != "" {
1250		whatabout = re_banner.ReplaceAllString(whatabout, "")
1251		ban = ban[7:]
1252		if ban[0] == ' ' {
1253			ban = ban[1:]
1254		}
1255		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1256	}
1257	if ban != options.Banner {
1258		options.Banner = ban
1259		sendupdate = true
1260	}
1261	whatabout = strings.TrimSpace(whatabout)
1262	if whatabout != user.About {
1263		sendupdate = true
1264	}
1265	j, err := jsonify(options)
1266	if err == nil {
1267		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1268	}
1269	if err != nil {
1270		elog.Printf("error bouting what: %s", err)
1271	}
1272	somenamedusers.Clear(u.Username)
1273	somenumberedusers.Clear(u.UserID)
1274	oldjonkers.Clear(u.Username)
1275
1276	if sendupdate {
1277		updateMe(u.Username)
1278	}
1279
1280	http.Redirect(w, r, "/account", http.StatusSeeOther)
1281}
1282
1283func bonkit(xid string, user *WhatAbout) {
1284	dlog.Printf("bonking %s", xid)
1285
1286	xonk := getxonk(user.ID, xid)
1287	if xonk == nil {
1288		return
1289	}
1290	if !xonk.Public {
1291		return
1292	}
1293	if xonk.IsBonked() {
1294		return
1295	}
1296	donksforhonks([]*Honk{xonk})
1297
1298	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1299	if err != nil {
1300		elog.Printf("error acking bonk: %s", err)
1301	}
1302
1303	oonker := xonk.Oonker
1304	if oonker == "" {
1305		oonker = xonk.Honker
1306	}
1307	dt := time.Now().UTC()
1308	bonk := &Honk{
1309		UserID:   user.ID,
1310		Username: user.Name,
1311		What:     "bonk",
1312		Honker:   user.URL,
1313		Oonker:   oonker,
1314		XID:      xonk.XID,
1315		RID:      xonk.RID,
1316		Noise:    xonk.Noise,
1317		Precis:   xonk.Precis,
1318		URL:      xonk.URL,
1319		Date:     dt,
1320		Donks:    xonk.Donks,
1321		Whofore:  2,
1322		Convoy:   xonk.Convoy,
1323		Audience: []string{thewholeworld, oonker},
1324		Public:   true,
1325		Format:   xonk.Format,
1326		Place:    xonk.Place,
1327		Onts:     xonk.Onts,
1328		Time:     xonk.Time,
1329	}
1330
1331	err = savehonk(bonk)
1332	if err != nil {
1333		elog.Printf("uh oh")
1334		return
1335	}
1336
1337	go honkworldwide(user, bonk)
1338}
1339
1340func submitbonk(w http.ResponseWriter, r *http.Request) {
1341	xid := r.FormValue("xid")
1342	userinfo := login.GetUserInfo(r)
1343	user, _ := butwhatabout(userinfo.Username)
1344
1345	bonkit(xid, user)
1346
1347	if r.FormValue("js") != "1" {
1348		templinfo := getInfo(r)
1349		templinfo["ServerMessage"] = "Bonked!"
1350		err := readviews.Execute(w, "msg.html", templinfo)
1351		if err != nil {
1352			elog.Print(err)
1353		}
1354	}
1355}
1356
1357func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1358	zonk := &Honk{
1359		What:     what,
1360		XID:      xonk.XID,
1361		Date:     time.Now().UTC(),
1362		Audience: oneofakind(xonk.Audience),
1363		Noise:    aux,
1364	}
1365	zonk.Public = loudandproud(zonk.Audience)
1366
1367	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1368	go honkworldwide(user, zonk)
1369}
1370
1371func zonkit(w http.ResponseWriter, r *http.Request) {
1372	wherefore := r.FormValue("wherefore")
1373	what := r.FormValue("what")
1374	userinfo := login.GetUserInfo(r)
1375	user, _ := butwhatabout(userinfo.Username)
1376
1377	if wherefore == "save" {
1378		xonk := getxonk(userinfo.UserID, what)
1379		if xonk != nil {
1380			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1381			if err != nil {
1382				elog.Printf("error saving: %s", err)
1383			}
1384		}
1385		return
1386	}
1387
1388	if wherefore == "unsave" {
1389		xonk := getxonk(userinfo.UserID, what)
1390		if xonk != nil {
1391			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1392			if err != nil {
1393				elog.Printf("error unsaving: %s", err)
1394			}
1395		}
1396		return
1397	}
1398
1399	if wherefore == "react" {
1400		reaction := user.Options.Reaction
1401		if r2 := r.FormValue("reaction"); r2 != "" {
1402			reaction = r2
1403		}
1404		if reaction == "none" {
1405			return
1406		}
1407		xonk := getxonk(userinfo.UserID, what)
1408		if xonk != nil {
1409			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1410			if err != nil {
1411				elog.Printf("error saving: %s", err)
1412			}
1413			sendzonkofsorts(xonk, user, "react", reaction)
1414		}
1415		return
1416	}
1417
1418	// my hammer is too big, oh well
1419	defer oldjonks.Flush()
1420
1421	if wherefore == "ack" {
1422		xonk := getxonk(userinfo.UserID, what)
1423		if xonk != nil && !xonk.IsAcked() {
1424			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1425			if err != nil {
1426				elog.Printf("error acking: %s", err)
1427			}
1428			sendzonkofsorts(xonk, user, "ack", "")
1429		}
1430		return
1431	}
1432
1433	if wherefore == "deack" {
1434		xonk := getxonk(userinfo.UserID, what)
1435		if xonk != nil && xonk.IsAcked() {
1436			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1437			if err != nil {
1438				elog.Printf("error deacking: %s", err)
1439			}
1440			sendzonkofsorts(xonk, user, "deack", "")
1441		}
1442		return
1443	}
1444
1445	if wherefore == "bonk" {
1446		user, _ := butwhatabout(userinfo.Username)
1447		bonkit(what, user)
1448		return
1449	}
1450
1451	if wherefore == "unbonk" {
1452		xonk := getbonk(userinfo.UserID, what)
1453		if xonk != nil {
1454			deletehonk(xonk.ID)
1455			xonk = getxonk(userinfo.UserID, what)
1456			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1457			if err != nil {
1458				elog.Printf("error unbonking: %s", err)
1459			}
1460			sendzonkofsorts(xonk, user, "unbonk", "")
1461		}
1462		return
1463	}
1464
1465	if wherefore == "untag" {
1466		xonk := getxonk(userinfo.UserID, what)
1467		if xonk != nil {
1468			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1469			if err != nil {
1470				elog.Printf("error untagging: %s", err)
1471			}
1472		}
1473		var badparents map[string]bool
1474		untagged.GetAndLock(userinfo.UserID, &badparents)
1475		badparents[what] = true
1476		untagged.Unlock()
1477		return
1478	}
1479
1480	ilog.Printf("zonking %s %s", wherefore, what)
1481	if wherefore == "zonk" {
1482		xonk := getxonk(userinfo.UserID, what)
1483		if xonk != nil {
1484			deletehonk(xonk.ID)
1485			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1486				sendzonkofsorts(xonk, user, "zonk", "")
1487			}
1488		}
1489	}
1490	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1491	if err != nil {
1492		elog.Printf("error saving zonker: %s", err)
1493		return
1494	}
1495}
1496
1497func edithonkpage(w http.ResponseWriter, r *http.Request) {
1498	u := login.GetUserInfo(r)
1499	user, _ := butwhatabout(u.Username)
1500	xid := r.FormValue("xid")
1501	honk := getxonk(u.UserID, xid)
1502	if !canedithonk(user, honk) {
1503		http.Error(w, "no editing that please", http.StatusInternalServerError)
1504		return
1505	}
1506
1507	noise := honk.Noise
1508
1509	honks := []*Honk{honk}
1510	donksforhonks(honks)
1511	reverbolate(u.UserID, honks)
1512	templinfo := getInfo(r)
1513	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1514	templinfo["Honks"] = honks
1515	templinfo["MapLink"] = getmaplink(u)
1516	templinfo["Noise"] = noise
1517	templinfo["SavedPlace"] = honk.Place
1518	if tm := honk.Time; tm != nil {
1519		templinfo["ShowTime"] = " "
1520		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1521		if tm.Duration != 0 {
1522			templinfo["Duration"] = tm.Duration
1523		}
1524	}
1525	templinfo["ServerMessage"] = "honk edit 2"
1526	templinfo["IsPreview"] = true
1527	templinfo["UpdateXID"] = honk.XID
1528	if len(honk.Donks) > 0 {
1529		templinfo["SavedFile"] = honk.Donks[0].XID
1530	}
1531	err := readviews.Execute(w, "honkpage.html", templinfo)
1532	if err != nil {
1533		elog.Print(err)
1534	}
1535}
1536
1537func newhonkpage(w http.ResponseWriter, r *http.Request) {
1538	u := login.GetUserInfo(r)
1539	rid := r.FormValue("rid")
1540	noise := ""
1541
1542	xonk := getxonk(u.UserID, rid)
1543	if xonk != nil {
1544		_, replto := handles(xonk.Honker)
1545		if replto != "" {
1546			noise = "@" + replto + " "
1547		}
1548	}
1549
1550	templinfo := getInfo(r)
1551	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1552	templinfo["InReplyTo"] = rid
1553	templinfo["Noise"] = noise
1554	templinfo["ServerMessage"] = "compose honk"
1555	templinfo["IsPreview"] = true
1556	err := readviews.Execute(w, "honkpage.html", templinfo)
1557	if err != nil {
1558		elog.Print(err)
1559	}
1560}
1561
1562func canedithonk(user *WhatAbout, honk *Honk) bool {
1563	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1564		return false
1565	}
1566	return true
1567}
1568
1569func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1570	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1571		return nil, nil
1572	}
1573	file, filehdr, err := r.FormFile("donk")
1574	if err != nil {
1575		if err == http.ErrMissingFile {
1576			return nil, nil
1577		}
1578		elog.Printf("error reading donk: %s", err)
1579		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1580		return nil, err
1581	}
1582	var buf bytes.Buffer
1583	io.Copy(&buf, file)
1584	file.Close()
1585	data := buf.Bytes()
1586	var media, name string
1587	img, err := shrinkit(data)
1588	if err == nil {
1589		data = img.Data
1590		format := img.Format
1591		media = "image/" + format
1592		if format == "jpeg" {
1593			format = "jpg"
1594		}
1595		if format == "svg+xml" {
1596			format = "svg"
1597		}
1598		name = xfiltrate() + "." + format
1599	} else {
1600		ct := http.DetectContentType(data)
1601		switch ct {
1602		case "application/pdf":
1603			maxsize := 10000000
1604			if len(data) > maxsize {
1605				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1606				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1607				return nil, err
1608			}
1609			media = ct
1610			name = filehdr.Filename
1611			if name == "" {
1612				name = xfiltrate() + ".pdf"
1613			}
1614		default:
1615			maxsize := 100000
1616			if len(data) > maxsize {
1617				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1618				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1619				return nil, err
1620			}
1621			for i := 0; i < len(data); i++ {
1622				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1623					ilog.Printf("bad image: %s not text: %d", err, data[i])
1624					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1625					return nil, err
1626				}
1627			}
1628			media = "text/plain"
1629			name = filehdr.Filename
1630			if name == "" {
1631				name = xfiltrate() + ".txt"
1632			}
1633		}
1634	}
1635	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1636	if desc == "" {
1637		desc = name
1638	}
1639	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1640	if err != nil {
1641		elog.Printf("unable to save image: %s", err)
1642		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1643		return nil, err
1644	}
1645	d := &Donk{
1646		FileID: fileid,
1647		XID:    xid,
1648		Desc:   desc,
1649		Local:  true,
1650	}
1651	return d, nil
1652}
1653
1654func websubmithonk(w http.ResponseWriter, r *http.Request) {
1655	h := submithonk(w, r)
1656	if h == nil {
1657		return
1658	}
1659	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1660}
1661
1662// what a hot mess this function is
1663func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1664	rid := r.FormValue("rid")
1665	noise := r.FormValue("noise")
1666	format := r.FormValue("format")
1667	if format == "" {
1668		format = "markdown"
1669	}
1670	if !(format == "markdown" || format == "html") {
1671		http.Error(w, "unknown format", 500)
1672		return nil
1673	}
1674
1675	userinfo := login.GetUserInfo(r)
1676	user, _ := butwhatabout(userinfo.Username)
1677
1678	dt := time.Now().UTC()
1679	updatexid := r.FormValue("updatexid")
1680	var honk *Honk
1681	if updatexid != "" {
1682		honk = getxonk(userinfo.UserID, updatexid)
1683		if !canedithonk(user, honk) {
1684			http.Error(w, "no editing that please", http.StatusInternalServerError)
1685			return nil
1686		}
1687		honk.Date = dt
1688		honk.What = "update"
1689		honk.Format = format
1690	} else {
1691		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1692		what := "honk"
1693		if rid != "" {
1694			what = "tonk"
1695		}
1696		honk = &Honk{
1697			UserID:   userinfo.UserID,
1698			Username: userinfo.Username,
1699			What:     what,
1700			Honker:   user.URL,
1701			XID:      xid,
1702			Date:     dt,
1703			Format:   format,
1704		}
1705	}
1706
1707	var convoy string
1708	noise = strings.Replace(noise, "\r", "", -1)
1709	if updatexid == "" && rid == "" {
1710		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1711			convoy = m[7:]
1712			convoy = strings.TrimSpace(convoy)
1713			if !re_convalidate.MatchString(convoy) {
1714				convoy = ""
1715			}
1716			return ""
1717		})
1718	}
1719	noise = quickrename(noise, userinfo.UserID)
1720	noise = hooterize(noise)
1721	honk.Noise = noise
1722	precipitate(honk)
1723	noise = honk.Noise
1724	translate(honk)
1725
1726	if rid != "" {
1727		xonk := getxonk(userinfo.UserID, rid)
1728		if xonk == nil {
1729			http.Error(w, "replyto disappeared", http.StatusNotFound)
1730			return nil
1731		}
1732		if xonk.Public {
1733			honk.Audience = append(honk.Audience, xonk.Audience...)
1734		}
1735		convoy = xonk.Convoy
1736		for i, a := range honk.Audience {
1737			if a == thewholeworld {
1738				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1739				break
1740			}
1741		}
1742		honk.RID = rid
1743		if xonk.Precis != "" && honk.Precis == "" {
1744			honk.Precis = xonk.Precis
1745			if !re_dangerous.MatchString(honk.Precis) {
1746				honk.Precis = "re: " + honk.Precis
1747			}
1748		}
1749	} else {
1750		honk.Audience = []string{thewholeworld}
1751	}
1752	if honk.Noise != "" && honk.Noise[0] == '@' {
1753		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1754	} else {
1755		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1756	}
1757
1758	if convoy == "" {
1759		convoy = "data:,electrichonkytonk-" + xfiltrate()
1760	}
1761	butnottooloud(honk.Audience)
1762	honk.Audience = oneofakind(honk.Audience)
1763	if len(honk.Audience) == 0 {
1764		ilog.Printf("honk to nowhere")
1765		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1766		return nil
1767	}
1768	honk.Public = loudandproud(honk.Audience)
1769	honk.Convoy = convoy
1770
1771	donkxid := r.FormValue("donkxid")
1772	if donkxid == "" {
1773		d, err := submitdonk(w, r)
1774		if err != nil && err != http.ErrMissingFile {
1775			return nil
1776		}
1777		if d != nil {
1778			honk.Donks = append(honk.Donks, d)
1779			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1780		}
1781	} else {
1782		p := strings.Split(donkxid, ":")
1783		xid := p[0]
1784		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1785		var donk *Donk
1786		if len(p) > 1 {
1787			fileid, _ := strconv.ParseInt(p[1], 10, 0)
1788			donk = finddonkid(fileid, url)
1789		} else {
1790			donk = finddonk(url)
1791		}
1792		if donk != nil {
1793			honk.Donks = append(honk.Donks, donk)
1794		} else {
1795			ilog.Printf("can't find file: %s", xid)
1796		}
1797	}
1798	memetize(honk)
1799	imaginate(honk)
1800
1801	placename := strings.TrimSpace(r.FormValue("placename"))
1802	placelat := strings.TrimSpace(r.FormValue("placelat"))
1803	placelong := strings.TrimSpace(r.FormValue("placelong"))
1804	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1805	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1806		p := new(Place)
1807		p.Name = placename
1808		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1809		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1810		p.Url = placeurl
1811		honk.Place = p
1812	}
1813	timestart := strings.TrimSpace(r.FormValue("timestart"))
1814	if timestart != "" {
1815		t := new(Time)
1816		now := time.Now().Local()
1817		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1818			start, err := time.ParseInLocation(layout, timestart, now.Location())
1819			if err == nil {
1820				if start.Year() == 0 {
1821					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1822				}
1823				t.StartTime = start
1824				break
1825			}
1826		}
1827		timeend := r.FormValue("timeend")
1828		dur := parseDuration(timeend)
1829		if dur != 0 {
1830			t.Duration = Duration(dur)
1831		}
1832		if !t.StartTime.IsZero() {
1833			honk.What = "event"
1834			honk.Time = t
1835		}
1836	}
1837
1838	if honk.Public {
1839		honk.Whofore = 2
1840	} else {
1841		honk.Whofore = 3
1842	}
1843
1844	// back to markdown
1845	honk.Noise = noise
1846
1847	if r.FormValue("preview") == "preview" {
1848		honks := []*Honk{honk}
1849		reverbolate(userinfo.UserID, honks)
1850		templinfo := getInfo(r)
1851		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1852		templinfo["Honks"] = honks
1853		templinfo["MapLink"] = getmaplink(userinfo)
1854		templinfo["InReplyTo"] = r.FormValue("rid")
1855		templinfo["Noise"] = r.FormValue("noise")
1856		templinfo["SavedFile"] = donkxid
1857		if tm := honk.Time; tm != nil {
1858			templinfo["ShowTime"] = " "
1859			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1860			if tm.Duration != 0 {
1861				templinfo["Duration"] = tm.Duration
1862			}
1863		}
1864		templinfo["IsPreview"] = true
1865		templinfo["UpdateXID"] = updatexid
1866		templinfo["ServerMessage"] = "honk preview"
1867		err := readviews.Execute(w, "honkpage.html", templinfo)
1868		if err != nil {
1869			elog.Print(err)
1870		}
1871		return nil
1872	}
1873
1874	if updatexid != "" {
1875		updatehonk(honk)
1876		oldjonks.Clear(honk.XID)
1877	} else {
1878		err := savehonk(honk)
1879		if err != nil {
1880			elog.Printf("uh oh")
1881			return nil
1882		}
1883	}
1884
1885	// reload for consistency
1886	honk.Donks = nil
1887	donksforhonks([]*Honk{honk})
1888
1889	go honkworldwide(user, honk)
1890
1891	return honk
1892}
1893
1894func showhonkers(w http.ResponseWriter, r *http.Request) {
1895	userinfo := login.GetUserInfo(r)
1896	templinfo := getInfo(r)
1897	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1898	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1899	err := readviews.Execute(w, "honkers.html", templinfo)
1900	if err != nil {
1901		elog.Print(err)
1902	}
1903}
1904
1905func showchatter(w http.ResponseWriter, r *http.Request) {
1906	u := login.GetUserInfo(r)
1907	chatnewnone(u.UserID)
1908	chatter := loadchatter(u.UserID)
1909	for _, chat := range chatter {
1910		for _, ch := range chat.Chonks {
1911			filterchonk(ch)
1912		}
1913	}
1914
1915	templinfo := getInfo(r)
1916	templinfo["Chatter"] = chatter
1917	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1918	err := readviews.Execute(w, "chatter.html", templinfo)
1919	if err != nil {
1920		elog.Print(err)
1921	}
1922}
1923
1924func submitchonk(w http.ResponseWriter, r *http.Request) {
1925	u := login.GetUserInfo(r)
1926	user, _ := butwhatabout(u.Username)
1927	noise := r.FormValue("noise")
1928	target := r.FormValue("target")
1929	format := "markdown"
1930	dt := time.Now().UTC()
1931	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1932
1933	if !strings.HasPrefix(target, "https://") {
1934		target = fullname(target, u.UserID)
1935	}
1936	if target == "" {
1937		http.Error(w, "who is that?", http.StatusInternalServerError)
1938		return
1939	}
1940	ch := Chonk{
1941		UserID: u.UserID,
1942		XID:    xid,
1943		Who:    user.URL,
1944		Target: target,
1945		Date:   dt,
1946		Noise:  noise,
1947		Format: format,
1948	}
1949	d, err := submitdonk(w, r)
1950	if err != nil && err != http.ErrMissingFile {
1951		return
1952	}
1953	if d != nil {
1954		ch.Donks = append(ch.Donks, d)
1955	}
1956
1957	translatechonk(&ch)
1958	savechonk(&ch)
1959	// reload for consistency
1960	ch.Donks = nil
1961	donksforchonks([]*Chonk{&ch})
1962	go sendchonk(user, &ch)
1963
1964	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
1965}
1966
1967var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1968	honkers := gethonkers(userid)
1969	var combos []string
1970	for _, h := range honkers {
1971		combos = append(combos, h.Combos...)
1972	}
1973	for i, c := range combos {
1974		if c == "-" {
1975			combos[i] = ""
1976		}
1977	}
1978	combos = oneofakind(combos)
1979	sort.Strings(combos)
1980	return combos, true
1981}, Invalidator: &honkerinvalidator})
1982
1983func showcombos(w http.ResponseWriter, r *http.Request) {
1984	userinfo := login.GetUserInfo(r)
1985	var combos []string
1986	combocache.Get(userinfo.UserID, &combos)
1987	templinfo := getInfo(r)
1988	err := readviews.Execute(w, "combos.html", templinfo)
1989	if err != nil {
1990		elog.Print(err)
1991	}
1992}
1993
1994func websubmithonker(w http.ResponseWriter, r *http.Request) {
1995	h := submithonker(w, r)
1996	if h == nil {
1997		return
1998	}
1999	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2000}
2001
2002func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2003	u := login.GetUserInfo(r)
2004	user, _ := butwhatabout(u.Username)
2005	name := strings.TrimSpace(r.FormValue("name"))
2006	url := strings.TrimSpace(r.FormValue("url"))
2007	peep := r.FormValue("peep")
2008	combos := strings.TrimSpace(r.FormValue("combos"))
2009	combos = " " + combos + " "
2010	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2011
2012	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2013	if name != "" && !re_namecheck.MatchString(name) {
2014		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2015		return nil
2016	}
2017
2018	var meta HonkerMeta
2019	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2020	mj, _ := jsonify(&meta)
2021
2022	defer honkerinvalidator.Clear(u.UserID)
2023
2024	// mostly dummy, fill in later...
2025	h := &Honker{
2026		ID: honkerid,
2027	}
2028
2029	if honkerid > 0 {
2030		if r.FormValue("delete") == "delete" {
2031			unfollowyou(user, honkerid, false)
2032			stmtDeleteHonker.Exec(honkerid)
2033			return h
2034		}
2035		if r.FormValue("unsub") == "unsub" {
2036			unfollowyou(user, honkerid, false)
2037		}
2038		if r.FormValue("sub") == "sub" {
2039			followyou(user, honkerid, false)
2040		}
2041		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2042		if err != nil {
2043			elog.Printf("update honker err: %s", err)
2044			return nil
2045		}
2046		return h
2047	}
2048
2049	if url == "" {
2050		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2051		return nil
2052	}
2053
2054	flavor := "presub"
2055	if peep == "peep" {
2056		flavor = "peep"
2057	}
2058
2059	var err error
2060	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2061	if err != nil {
2062		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2063		return nil
2064	}
2065	if flavor == "presub" {
2066		followyou(user, honkerid, false)
2067	}
2068	h.ID = honkerid
2069	return h
2070}
2071
2072func hfcspage(w http.ResponseWriter, r *http.Request) {
2073	userinfo := login.GetUserInfo(r)
2074
2075	filters := getfilters(userinfo.UserID, filtAny)
2076
2077	templinfo := getInfo(r)
2078	templinfo["Filters"] = filters
2079	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2080	err := readviews.Execute(w, "hfcs.html", templinfo)
2081	if err != nil {
2082		elog.Print(err)
2083	}
2084}
2085
2086func savehfcs(w http.ResponseWriter, r *http.Request) {
2087	userinfo := login.GetUserInfo(r)
2088	itsok := r.FormValue("itsok")
2089	if itsok == "iforgiveyou" {
2090		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2091		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2092		if err != nil {
2093			elog.Printf("error deleting filter: %s", err)
2094		}
2095		filtInvalidator.Clear(userinfo.UserID)
2096		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2097		return
2098	}
2099
2100	filt := new(Filter)
2101	filt.Name = strings.TrimSpace(r.FormValue("name"))
2102	filt.Date = time.Now().UTC()
2103	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2104	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2105	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2106	filt.IsReply = r.FormValue("isreply") == "yes"
2107	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2108	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2109	filt.Reject = r.FormValue("doreject") == "yes"
2110	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2111	filt.Hide = r.FormValue("dohide") == "yes"
2112	filt.Collapse = r.FormValue("docollapse") == "yes"
2113	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2114	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2115	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2116		filt.Expiration = time.Now().UTC().Add(dur)
2117	}
2118	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2119
2120	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2121		ilog.Printf("blank filter")
2122		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2123		return
2124	}
2125
2126	j, err := jsonify(filt)
2127	if err == nil {
2128		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2129	}
2130	if err != nil {
2131		elog.Printf("error saving filter: %s", err)
2132	}
2133
2134	filtInvalidator.Clear(userinfo.UserID)
2135	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2136}
2137
2138func accountpage(w http.ResponseWriter, r *http.Request) {
2139	u := login.GetUserInfo(r)
2140	user, _ := butwhatabout(u.Username)
2141	templinfo := getInfo(r)
2142	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2143	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2144	templinfo["User"] = user
2145	about := user.About
2146	if ava := user.Options.Avatar; ava != "" {
2147		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2148	}
2149	if ban := user.Options.Banner; ban != "" {
2150		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2151	}
2152	templinfo["WhatAbout"] = about
2153	err := readviews.Execute(w, "account.html", templinfo)
2154	if err != nil {
2155		elog.Print(err)
2156	}
2157}
2158
2159func dochpass(w http.ResponseWriter, r *http.Request) {
2160	err := login.ChangePassword(w, r)
2161	if err != nil {
2162		elog.Printf("error changing password: %s", err)
2163	}
2164	http.Redirect(w, r, "/account", http.StatusSeeOther)
2165}
2166
2167func fingerlicker(w http.ResponseWriter, r *http.Request) {
2168	orig := r.FormValue("resource")
2169
2170	dlog.Printf("finger lick: %s", orig)
2171
2172	if strings.HasPrefix(orig, "acct:") {
2173		orig = orig[5:]
2174	}
2175
2176	name := orig
2177	idx := strings.LastIndexByte(name, '/')
2178	if idx != -1 {
2179		name = name[idx+1:]
2180		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2181			ilog.Printf("foreign request rejected")
2182			name = ""
2183		}
2184	} else {
2185		idx = strings.IndexByte(name, '@')
2186		if idx != -1 {
2187			name = name[:idx]
2188			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2189				ilog.Printf("foreign request rejected")
2190				name = ""
2191			}
2192		}
2193	}
2194	user, err := butwhatabout(name)
2195	if err != nil {
2196		http.NotFound(w, r)
2197		return
2198	}
2199	if stealthmode(user.ID, r) {
2200		http.NotFound(w, r)
2201		return
2202	}
2203
2204	j := junk.New()
2205	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2206	j["aliases"] = []string{user.URL}
2207	l := junk.New()
2208	l["rel"] = "self"
2209	l["type"] = `application/activity+json`
2210	l["href"] = user.URL
2211	j["links"] = []junk.Junk{l}
2212
2213	w.Header().Set("Content-Type", "application/jrd+json")
2214	j.Write(w)
2215}
2216
2217func somedays() string {
2218	secs := 432000 + notrand.Int63n(432000)
2219	return fmt.Sprintf("%d", secs)
2220}
2221
2222func lookatme(ava string) string {
2223	if strings.Contains(ava, serverName+"/"+userSep) {
2224		idx := strings.LastIndexByte(ava, '/')
2225		if idx < len(ava) {
2226			name := ava[idx+1:]
2227			user, _ := butwhatabout(name)
2228			if user != nil && user.URL == ava {
2229				return user.Options.Avatar
2230			}
2231		}
2232	}
2233	return ""
2234}
2235
2236func avatate(w http.ResponseWriter, r *http.Request) {
2237	if develMode {
2238		loadAvatarColors()
2239	}
2240	n := r.FormValue("a")
2241	if redir := lookatme(n); redir != "" {
2242		http.Redirect(w, r, redir, http.StatusSeeOther)
2243		return
2244	}
2245	a := genAvatar(n)
2246	if !develMode {
2247		w.Header().Set("Cache-Control", "max-age="+somedays())
2248	}
2249	w.Write(a)
2250}
2251
2252func serveviewasset(w http.ResponseWriter, r *http.Request) {
2253	serveasset(w, r, viewDir)
2254}
2255func servedataasset(w http.ResponseWriter, r *http.Request) {
2256	if r.URL.Path == "/favicon.ico" {
2257		r.URL.Path = "/icon.png"
2258	}
2259	serveasset(w, r, dataDir)
2260}
2261
2262func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2263	if !develMode {
2264		w.Header().Set("Cache-Control", "max-age=7776000")
2265	}
2266	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2267}
2268func servehelp(w http.ResponseWriter, r *http.Request) {
2269	name := mux.Vars(r)["name"]
2270	if !develMode {
2271		w.Header().Set("Cache-Control", "max-age=3600")
2272	}
2273	http.ServeFile(w, r, viewDir+"/docs/"+name)
2274}
2275func servehtml(w http.ResponseWriter, r *http.Request) {
2276	u := login.GetUserInfo(r)
2277	templinfo := getInfo(r)
2278	templinfo["AboutMsg"] = aboutMsg
2279	templinfo["LoginMsg"] = loginMsg
2280	templinfo["HonkVersion"] = softwareVersion
2281	if r.URL.Path == "/about" {
2282		templinfo["Sensors"] = getSensors()
2283	}
2284	if u == nil && !develMode {
2285		w.Header().Set("Cache-Control", "max-age=60")
2286	}
2287	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2288	if err != nil {
2289		elog.Print(err)
2290	}
2291}
2292func serveemu(w http.ResponseWriter, r *http.Request) {
2293	emu := mux.Vars(r)["emu"]
2294
2295	w.Header().Set("Cache-Control", "max-age="+somedays())
2296	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2297}
2298func servememe(w http.ResponseWriter, r *http.Request) {
2299	meme := mux.Vars(r)["meme"]
2300
2301	w.Header().Set("Cache-Control", "max-age="+somedays())
2302	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2303}
2304
2305func servefile(w http.ResponseWriter, r *http.Request) {
2306	xid := mux.Vars(r)["xid"]
2307	var media string
2308	var data []byte
2309	row := stmtGetFileData.QueryRow(xid)
2310	err := row.Scan(&media, &data)
2311	if err != nil {
2312		elog.Printf("error loading file: %s", err)
2313		http.NotFound(w, r)
2314		return
2315	}
2316	w.Header().Set("Content-Type", media)
2317	w.Header().Set("X-Content-Type-Options", "nosniff")
2318	w.Header().Set("Cache-Control", "max-age="+somedays())
2319	w.Write(data)
2320}
2321
2322func nomoroboto(w http.ResponseWriter, r *http.Request) {
2323	io.WriteString(w, "User-agent: *\n")
2324	io.WriteString(w, "Disallow: /a\n")
2325	io.WriteString(w, "Disallow: /d/\n")
2326	io.WriteString(w, "Disallow: /meme/\n")
2327	io.WriteString(w, "Disallow: /o\n")
2328	io.WriteString(w, "Disallow: /o/\n")
2329	io.WriteString(w, "Disallow: /help/\n")
2330	for _, u := range allusers() {
2331		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2332	}
2333}
2334
2335type Hydration struct {
2336	Tophid    int64
2337	Srvmsg    template.HTML
2338	Honks     string
2339	MeCount   int64
2340	ChatCount int64
2341}
2342
2343func webhydra(w http.ResponseWriter, r *http.Request) {
2344	u := login.GetUserInfo(r)
2345	userid := u.UserID
2346	templinfo := getInfo(r)
2347	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2348	page := r.FormValue("page")
2349
2350	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2351
2352	var hydra Hydration
2353
2354	var honks []*Honk
2355	switch page {
2356	case "atme":
2357		honks = gethonksforme(userid, wanted)
2358		honks = osmosis(honks, userid, false)
2359		menewnone(userid)
2360		hydra.Srvmsg = "at me!"
2361	case "longago":
2362		honks = gethonksfromlongago(userid, wanted)
2363		honks = osmosis(honks, userid, false)
2364		hydra.Srvmsg = "from long ago"
2365	case "home":
2366		honks = gethonksforuser(userid, wanted)
2367		honks = osmosis(honks, userid, true)
2368		hydra.Srvmsg = serverMsg
2369	case "first":
2370		honks = gethonksforuserfirstclass(userid, wanted)
2371		honks = osmosis(honks, userid, true)
2372		hydra.Srvmsg = "first class only"
2373	case "saved":
2374		honks = getsavedhonks(userid, wanted)
2375		templinfo["PageName"] = "saved"
2376		hydra.Srvmsg = "saved honks"
2377	case "combo":
2378		c := r.FormValue("c")
2379		honks = gethonksbycombo(userid, c, wanted)
2380		honks = osmosis(honks, userid, false)
2381		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2382	case "convoy":
2383		c := r.FormValue("c")
2384		honks = gethonksbyconvoy(userid, c, wanted)
2385		honks = osmosis(honks, userid, false)
2386		honks = threadsort(honks)
2387		reversehonks(honks)
2388		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2389	case "honker":
2390		xid := r.FormValue("xid")
2391		honks = gethonksbyxonker(userid, xid, wanted)
2392		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2393			<input type="hidden" name="CSRF" value="%s">
2394			<input type="hidden" name="url" value="%s">
2395			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2396			</form>`, login.GetCSRF("submithonker", r), xid)
2397		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2398		hydra.Srvmsg = msg
2399	case "user":
2400		uname := r.FormValue("uname")
2401		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2402		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2403	default:
2404		http.NotFound(w, r)
2405	}
2406
2407	if len(honks) > 0 {
2408		hydra.Tophid = honks[0].ID
2409	} else {
2410		hydra.Tophid = wanted
2411	}
2412	reverbolate(userid, honks)
2413
2414	user, _ := butwhatabout(u.Username)
2415
2416	var buf strings.Builder
2417	templinfo["Honks"] = honks
2418	templinfo["MapLink"] = getmaplink(u)
2419	templinfo["User"], _ = butwhatabout(u.Username)
2420	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2421	if err != nil {
2422		elog.Printf("frag error: %s", err)
2423		return
2424	}
2425	hydra.Honks = buf.String()
2426	hydra.MeCount = user.Options.MeCount
2427	hydra.ChatCount = user.Options.ChatCount
2428	w.Header().Set("Content-Type", "application/json")
2429	j, _ := jsonify(&hydra)
2430	io.WriteString(w, j)
2431}
2432
2433var honkline = make(chan bool)
2434
2435func honkhonkline() {
2436	for {
2437		select {
2438		case honkline <- true:
2439		default:
2440			return
2441		}
2442	}
2443}
2444
2445func apihandler(w http.ResponseWriter, r *http.Request) {
2446	u := login.GetUserInfo(r)
2447	userid := u.UserID
2448	action := r.FormValue("action")
2449	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2450	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2451	switch action {
2452	case "honk":
2453		h := submithonk(w, r)
2454		if h == nil {
2455			return
2456		}
2457		fmt.Fprintf(w, "%s", h.XID)
2458	case "donk":
2459		d, err := submitdonk(w, r)
2460		if err != nil {
2461			http.Error(w, err.Error(), http.StatusBadRequest)
2462			return
2463		}
2464		if d == nil {
2465			http.Error(w, "missing donk", http.StatusBadRequest)
2466			return
2467		}
2468		w.Write([]byte(d.XID))
2469	case "zonkit":
2470		zonkit(w, r)
2471	case "gethonks":
2472		var honks []*Honk
2473		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2474		page := r.FormValue("page")
2475		var waitchan <-chan time.Time
2476	requery:
2477		switch page {
2478		case "atme":
2479			honks = gethonksforme(userid, wanted)
2480			honks = osmosis(honks, userid, false)
2481			menewnone(userid)
2482		case "longago":
2483			honks = gethonksfromlongago(userid, wanted)
2484			honks = osmosis(honks, userid, false)
2485		case "home":
2486			honks = gethonksforuser(userid, wanted)
2487			honks = osmosis(honks, userid, true)
2488		case "myhonks":
2489			honks = gethonksbyuser(u.Username, true, wanted)
2490			honks = osmosis(honks, userid, true)
2491		default:
2492			http.Error(w, "unknown page", http.StatusNotFound)
2493			return
2494		}
2495		if len(honks) == 0 && wait > 0 {
2496			if waitchan == nil {
2497				waitchan = time.After(time.Duration(wait) * time.Second)
2498			}
2499			select {
2500			case <-honkline:
2501				goto requery
2502			case <-waitchan:
2503			}
2504		}
2505		reverbolate(userid, honks)
2506		j := junk.New()
2507		j["honks"] = honks
2508		j.Write(w)
2509	case "sendactivity":
2510		user, _ := butwhatabout(u.Username)
2511		public := r.FormValue("public") == "1"
2512		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2513		msg := []byte(r.FormValue("msg"))
2514		for rcpt := range rcpts {
2515			go deliverate(userid, rcpt, msg)
2516		}
2517	case "gethonkers":
2518		j := junk.New()
2519		j["honkers"] = gethonkers(u.UserID)
2520		j.Write(w)
2521	case "savehonker":
2522		h := submithonker(w, r)
2523		if h == nil {
2524			return
2525		}
2526		fmt.Fprintf(w, "%d", h.ID)
2527	default:
2528		http.Error(w, "unknown action", http.StatusNotFound)
2529		return
2530	}
2531}
2532
2533func fiveoh(w http.ResponseWriter, r *http.Request) {
2534	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2535	if err != nil {
2536		elog.Printf("error opening violations! %s", err)
2537		return
2538	}
2539	defer fd.Close()
2540	io.Copy(fd, r.Body)
2541}
2542
2543var endoftheworld = make(chan bool)
2544var readyalready = make(chan bool)
2545var workinprogress = 0
2546
2547func enditall() {
2548	sig := make(chan os.Signal)
2549	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
2550	<-sig
2551	ilog.Printf("stopping...")
2552	for i := 0; i < workinprogress; i++ {
2553		endoftheworld <- true
2554	}
2555	ilog.Printf("waiting...")
2556	for i := 0; i < workinprogress; i++ {
2557		<-readyalready
2558	}
2559	ilog.Printf("apocalypse")
2560	os.Exit(0)
2561}
2562
2563var preservehooks []func()
2564
2565func bgmonitor() {
2566	for {
2567		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2568		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2569		if err != nil {
2570			elog.Printf("error deleting old xonkers: %s", err)
2571		}
2572		zaggies.Flush()
2573		time.Sleep(50 * time.Minute)
2574	}
2575}
2576
2577func addcspheaders(next http.Handler) http.Handler {
2578	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2579		w.Header().Set("Content-Security-Policy", "default-src 'none'; script-src 'self'; connect-src 'self'; style-src 'self'; img-src 'self'; media-src 'self'; report-uri /csp-violation")
2580		next.ServeHTTP(w, r)
2581	})
2582}
2583
2584func emuinit() {
2585	var emunames []string
2586	dir, err := os.Open(dataDir + "/emus")
2587	if err == nil {
2588		emunames, _ = dir.Readdirnames(0)
2589		dir.Close()
2590	}
2591	for _, e := range emunames {
2592		if len(e) <= 4 {
2593			continue
2594		}
2595		ext := e[len(e)-4:]
2596		emu := Emu{
2597			ID:   fmt.Sprintf("/emu/%s", e),
2598			Name: e[:len(e)-4],
2599			Type: "image/" + ext[1:],
2600		}
2601		allemus = append(allemus, emu)
2602	}
2603	sort.Slice(allemus, func(i, j int) bool {
2604		return allemus[i].Name < allemus[j].Name
2605	})
2606}
2607
2608func serve() {
2609	db := opendatabase()
2610	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2611
2612	listener, err := openListener()
2613	if err != nil {
2614		elog.Fatal(err)
2615	}
2616	runBackendServer()
2617	go enditall()
2618	go redeliverator()
2619	go tracker()
2620	go bgmonitor()
2621	loadLingo()
2622	emuinit()
2623
2624	readviews = templates.Load(develMode,
2625		viewDir+"/views/honkpage.html",
2626		viewDir+"/views/honkfrags.html",
2627		viewDir+"/views/honkers.html",
2628		viewDir+"/views/chatter.html",
2629		viewDir+"/views/hfcs.html",
2630		viewDir+"/views/combos.html",
2631		viewDir+"/views/honkform.html",
2632		viewDir+"/views/honk.html",
2633		viewDir+"/views/account.html",
2634		viewDir+"/views/about.html",
2635		viewDir+"/views/funzone.html",
2636		viewDir+"/views/login.html",
2637		viewDir+"/views/xzone.html",
2638		viewDir+"/views/msg.html",
2639		viewDir+"/views/header.html",
2640		viewDir+"/views/onts.html",
2641		viewDir+"/views/emus.html",
2642		viewDir+"/views/honkpage.js",
2643	)
2644	if !develMode {
2645		assets := []string{
2646			viewDir + "/views/style.css",
2647			dataDir + "/views/local.css",
2648			viewDir + "/views/honkpage.js",
2649			dataDir + "/views/local.js",
2650		}
2651		for _, s := range assets {
2652			savedassetparams[s] = getassetparam(s)
2653		}
2654		loadAvatarColors()
2655	}
2656
2657	for _, h := range preservehooks {
2658		h()
2659	}
2660
2661	mux := mux.NewRouter()
2662	mux.Use(addcspheaders)
2663	mux.Use(login.Checker)
2664
2665	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2666
2667	posters := mux.Methods("POST").Subrouter()
2668	getters := mux.Methods("GET").Subrouter()
2669
2670	getters.HandleFunc("/", homepage)
2671	getters.HandleFunc("/home", homepage)
2672	getters.HandleFunc("/front", homepage)
2673	getters.HandleFunc("/events", homepage)
2674	getters.HandleFunc("/robots.txt", nomoroboto)
2675	getters.HandleFunc("/rss", showrss)
2676	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2677	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2678	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2679	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2680	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2681	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2682	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2683	getters.HandleFunc("/a", avatate)
2684	getters.HandleFunc("/o", thelistingoftheontologies)
2685	getters.HandleFunc("/o/{name:.+}", showontology)
2686	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2687	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2688	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2689	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2690
2691	getters.HandleFunc("/flag/{code:.+}", showflag)
2692
2693	getters.HandleFunc("/server", serveractor)
2694	posters.HandleFunc("/server/inbox", serverinbox)
2695	posters.HandleFunc("/inbox", serverinbox)
2696
2697	posters.HandleFunc("/csp-violation", fiveoh)
2698
2699	getters.HandleFunc("/style.css", serveviewasset)
2700	getters.HandleFunc("/honkpage.js", serveviewasset)
2701	getters.HandleFunc("/misc.js", serveviewasset)
2702	getters.HandleFunc("/local.css", servedataasset)
2703	getters.HandleFunc("/local.js", servedataasset)
2704	getters.HandleFunc("/icon.png", servedataasset)
2705	getters.HandleFunc("/favicon.ico", servedataasset)
2706
2707	getters.HandleFunc("/about", servehtml)
2708	getters.HandleFunc("/login", servehtml)
2709	posters.HandleFunc("/dologin", login.LoginFunc)
2710	getters.HandleFunc("/logout", login.LogoutFunc)
2711	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2712
2713	loggedin := mux.NewRoute().Subrouter()
2714	loggedin.Use(login.Required)
2715	loggedin.HandleFunc("/first", homepage)
2716	loggedin.HandleFunc("/chatter", showchatter)
2717	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2718	loggedin.HandleFunc("/saved", homepage)
2719	loggedin.HandleFunc("/account", accountpage)
2720	loggedin.HandleFunc("/funzone", showfunzone)
2721	loggedin.HandleFunc("/chpass", dochpass)
2722	loggedin.HandleFunc("/atme", homepage)
2723	loggedin.HandleFunc("/longago", homepage)
2724	loggedin.HandleFunc("/hfcs", hfcspage)
2725	loggedin.HandleFunc("/xzone", xzone)
2726	loggedin.HandleFunc("/newhonk", newhonkpage)
2727	loggedin.HandleFunc("/edit", edithonkpage)
2728	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2729	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2730	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2731	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2732	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2733	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2734	loggedin.HandleFunc("/honkers", showhonkers)
2735	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2736	loggedin.HandleFunc("/h", showhonker)
2737	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2738	loggedin.HandleFunc("/c", showcombos)
2739	loggedin.HandleFunc("/t", showconvoy)
2740	loggedin.HandleFunc("/q", showsearch)
2741	loggedin.HandleFunc("/hydra", webhydra)
2742	loggedin.HandleFunc("/emus", showemus)
2743	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2744
2745	err = http.Serve(listener, mux)
2746	if err != nil {
2747		elog.Fatal(err)
2748	}
2749}