all repos — honk @ 8062001fdc374d1a90298b60b933f85d4349ec34

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	"github.com/sassoftware/relic/lib/dlog"
  39	"humungus.tedunangst.com/r/webs/cache"
  40	"humungus.tedunangst.com/r/webs/httpsig"
  41	"humungus.tedunangst.com/r/webs/junk"
  42	"humungus.tedunangst.com/r/webs/login"
  43	"humungus.tedunangst.com/r/webs/rss"
  44	"humungus.tedunangst.com/r/webs/templates"
  45)
  46
  47var readviews *templates.Template
  48
  49var userSep = "u"
  50var honkSep = "h"
  51
  52var develMode = false
  53
  54var allemus []Emu
  55
  56func getuserstyle(u *login.UserInfo) template.HTMLAttr {
  57	if u == nil {
  58		return ""
  59	}
  60	user, _ := butwhatabout(u.Username)
  61	class := template.HTMLAttr("")
  62	if user.Options.SkinnyCSS {
  63		class += `class="skinny"`
  64	}
  65	return class
  66}
  67
  68func getmaplink(u *login.UserInfo) string {
  69	if u == nil {
  70		return "osm"
  71	}
  72	user, _ := butwhatabout(u.Username)
  73	ml := user.Options.MapLink
  74	if ml == "" {
  75		ml = "osm"
  76	}
  77	return ml
  78}
  79
  80func getInfo(r *http.Request) map[string]interface{} {
  81	templinfo := make(map[string]interface{})
  82	templinfo["StyleParam"] = getassetparam(viewDir + "/views/style.css")
  83	templinfo["LocalStyleParam"] = getassetparam(dataDir + "/views/local.css")
  84	templinfo["JSParam"] = getassetparam(viewDir + "/views/honkpage.js")
  85	templinfo["LocalJSParam"] = getassetparam(dataDir + "/views/local.js")
  86	templinfo["MiscJSParam"] = getassetparam(dataDir + "/views/misc.js")
  87	templinfo["ServerName"] = serverName
  88	templinfo["IconName"] = iconName
  89	templinfo["UserSep"] = userSep
  90	if u := login.GetUserInfo(r); u != nil {
  91		templinfo["UserInfo"], _ = butwhatabout(u.Username)
  92		templinfo["UserStyle"] = getuserstyle(u)
  93		var combos []string
  94		combocache.Get(u.UserID, &combos)
  95		templinfo["Combos"] = combos
  96	}
  97	return templinfo
  98}
  99
 100func homepage(w http.ResponseWriter, r *http.Request) {
 101	templinfo := getInfo(r)
 102	u := login.GetUserInfo(r)
 103	var honks []*Honk
 104	var userid int64 = -1
 105
 106	templinfo["ServerMessage"] = serverMsg
 107	if u == nil || r.URL.Path == "/front" {
 108		switch r.URL.Path {
 109		case "/events":
 110			honks = geteventhonks(userid)
 111			templinfo["ServerMessage"] = "some recent and upcoming events"
 112		default:
 113			templinfo["ShowRSS"] = true
 114			honks = getpublichonks()
 115		}
 116	} else {
 117		userid = u.UserID
 118		switch r.URL.Path {
 119		case "/atme":
 120			templinfo["ServerMessage"] = "at me!"
 121			templinfo["PageName"] = "atme"
 122			honks = gethonksforme(userid, 0)
 123			honks = osmosis(honks, userid, false)
 124			menewnone(userid)
 125			templinfo["UserInfo"], _ = butwhatabout(u.Username)
 126		case "/longago":
 127			templinfo["ServerMessage"] = "long ago and far away!"
 128			templinfo["PageName"] = "longago"
 129			honks = gethonksfromlongago(userid, 0)
 130			honks = osmosis(honks, userid, false)
 131		case "/events":
 132			templinfo["ServerMessage"] = "some recent and upcoming events"
 133			templinfo["PageName"] = "events"
 134			honks = geteventhonks(userid)
 135			honks = osmosis(honks, userid, true)
 136		case "/first":
 137			templinfo["PageName"] = "first"
 138			honks = gethonksforuserfirstclass(userid, 0)
 139			honks = osmosis(honks, userid, true)
 140		case "/saved":
 141			templinfo["ServerMessage"] = "saved honks"
 142			templinfo["PageName"] = "saved"
 143			honks = getsavedhonks(userid, 0)
 144		default:
 145			templinfo["PageName"] = "home"
 146			honks = gethonksforuser(userid, 0)
 147			honks = osmosis(honks, userid, true)
 148		}
 149		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 150	}
 151
 152	honkpage(w, u, honks, templinfo)
 153}
 154
 155func showemus(w http.ResponseWriter, r *http.Request) {
 156	templinfo := getInfo(r)
 157	templinfo["Emus"] = allemus
 158	err := readviews.Execute(w, "emus.html", templinfo)
 159	if err != nil {
 160		elog.Print(err)
 161	}
 162}
 163
 164func showfunzone(w http.ResponseWriter, r *http.Request) {
 165	var emunames, memenames []string
 166	emuext := make(map[string]string)
 167	dir, err := os.Open(dataDir + "/emus")
 168	if err == nil {
 169		emunames, _ = dir.Readdirnames(0)
 170		dir.Close()
 171	}
 172	for i, e := range emunames {
 173		if len(e) > 4 {
 174			emunames[i] = e[:len(e)-4]
 175			emuext[emunames[i]] = e[len(e)-4:]
 176		}
 177	}
 178	dir, err = os.Open(dataDir + "/memes")
 179	if err == nil {
 180		memenames, _ = dir.Readdirnames(0)
 181		dir.Close()
 182	}
 183	sort.Strings(emunames)
 184	sort.Strings(memenames)
 185	templinfo := getInfo(r)
 186	templinfo["Emus"] = emunames
 187	templinfo["Emuext"] = emuext
 188	templinfo["Memes"] = memenames
 189	err = readviews.Execute(w, "funzone.html", templinfo)
 190	if err != nil {
 191		elog.Print(err)
 192	}
 193}
 194
 195func showrss(w http.ResponseWriter, r *http.Request) {
 196	name := mux.Vars(r)["name"]
 197
 198	var honks []*Honk
 199	if name != "" {
 200		honks = gethonksbyuser(name, false, 0)
 201	} else {
 202		honks = getpublichonks()
 203	}
 204	reverbolate(-1, honks)
 205
 206	home := fmt.Sprintf("https://%s/", serverName)
 207	base := home
 208	if name != "" {
 209		home += "u/" + name
 210		name += " "
 211	}
 212	feed := rss.Feed{
 213		Title:       name + "honk",
 214		Link:        home,
 215		Description: name + "honk rss",
 216		Image: &rss.Image{
 217			URL:   base + "icon.png",
 218			Title: name + "honk rss",
 219			Link:  home,
 220		},
 221	}
 222	var modtime time.Time
 223	for _, honk := range honks {
 224		if !firstclass(honk) {
 225			continue
 226		}
 227		desc := string(honk.HTML)
 228		if t := honk.Time; t != nil {
 229			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 230			if t.Duration != 0 {
 231				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 232			}
 233		}
 234		if p := honk.Place; p != nil {
 235			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 236				p.Url, p.Name, p.Latitude, p.Longitude))
 237		}
 238		for _, d := range honk.Donks {
 239			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 240				d.URL, d.Desc))
 241			if strings.HasPrefix(d.Media, "image") {
 242				desc += string(templates.Sprintf(`<img src="%s">`, d.URL))
 243			}
 244		}
 245
 246		feed.Items = append(feed.Items, &rss.Item{
 247			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 248			Description: rss.CData{Data: desc},
 249			Link:        honk.URL,
 250			PubDate:     honk.Date.Format(time.RFC1123),
 251			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 252		})
 253		if honk.Date.After(modtime) {
 254			modtime = honk.Date
 255		}
 256	}
 257	if !develMode {
 258		w.Header().Set("Cache-Control", "max-age=300")
 259		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 260	}
 261
 262	err := feed.Write(w)
 263	if err != nil {
 264		elog.Printf("error writing rss: %s", err)
 265	}
 266}
 267
 268func crappola(j junk.Junk) bool {
 269	t, _ := j.GetString("type")
 270	a, _ := j.GetString("actor")
 271	o, _ := j.GetString("object")
 272	if t == "Delete" && a == o {
 273		dlog.Printf("crappola from %s", a)
 274		return true
 275	}
 276	return false
 277}
 278
 279func ping(user *WhatAbout, who string) {
 280	if targ := fullname(who, user.ID); targ != "" {
 281		who = targ
 282	}
 283	if !strings.HasPrefix(who, "https:") {
 284		who = gofish(who)
 285	}
 286	if who == "" {
 287		ilog.Printf("nobody to ping!")
 288		return
 289	}
 290	var box *Box
 291	ok := boxofboxes.Get(who, &box)
 292	if !ok {
 293		ilog.Printf("no inbox to ping %s", who)
 294		return
 295	}
 296	ilog.Printf("sending ping to %s", box.In)
 297	j := junk.New()
 298	j["@context"] = itiswhatitis
 299	j["type"] = "Ping"
 300	j["id"] = user.URL + "/ping/" + xfiltrate()
 301	j["actor"] = user.URL
 302	j["to"] = who
 303	ki := ziggy(user.ID)
 304	if ki == nil {
 305		return
 306	}
 307	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 308	if err != nil {
 309		elog.Printf("can't send ping: %s", err)
 310		return
 311	}
 312	ilog.Printf("sent ping to %s: %s", who, j["id"])
 313}
 314
 315func pong(user *WhatAbout, who string, obj string) {
 316	var box *Box
 317	ok := boxofboxes.Get(who, &box)
 318	if !ok {
 319		ilog.Printf("no inbox to pong %s", who)
 320		return
 321	}
 322	j := junk.New()
 323	j["@context"] = itiswhatitis
 324	j["type"] = "Pong"
 325	j["id"] = user.URL + "/pong/" + xfiltrate()
 326	j["actor"] = user.URL
 327	j["to"] = who
 328	j["object"] = obj
 329	ki := ziggy(user.ID)
 330	if ki == nil {
 331		return
 332	}
 333	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 334	if err != nil {
 335		elog.Printf("can't send pong: %s", err)
 336		return
 337	}
 338}
 339
 340func inbox(w http.ResponseWriter, r *http.Request) {
 341	name := mux.Vars(r)["name"]
 342	user, err := butwhatabout(name)
 343	if err != nil {
 344		http.NotFound(w, r)
 345		return
 346	}
 347	if stealthmode(user.ID, r) {
 348		http.NotFound(w, r)
 349		return
 350	}
 351	var buf bytes.Buffer
 352	limiter := io.LimitReader(r.Body, 1*1024*1024)
 353	io.Copy(&buf, limiter)
 354	payload := buf.Bytes()
 355	j, err := junk.FromBytes(payload)
 356	if err != nil {
 357		ilog.Printf("bad payload: %s", err)
 358		ilog.Writer().Write(payload)
 359		ilog.Writer().Write([]byte{'\n'})
 360		return
 361	}
 362
 363	if crappola(j) {
 364		return
 365	}
 366	what, _ := j.GetString("type")
 367	obj, _ := j.GetString("object")
 368	if what == "Like" || (what == "EmojiReact" && originate(obj) != serverName) {
 369		return
 370	}
 371	who, _ := j.GetString("actor")
 372	if rejectactor(user.ID, who) {
 373		return
 374	}
 375
 376	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 377	if err != nil && keyname != "" {
 378		savingthrow(keyname)
 379		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 380	}
 381	if err != nil {
 382		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 383		if keyname != "" {
 384			ilog.Printf("bad signature from %s", keyname)
 385		}
 386		http.Error(w, "what did you call me?", http.StatusTeapot)
 387		return
 388	}
 389	origin := keymatch(keyname, who)
 390	if origin == "" {
 391		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 392		return
 393	}
 394
 395	switch what {
 396	case "Ping":
 397		id, _ := j.GetString("id")
 398		ilog.Printf("ping from %s: %s", who, id)
 399		pong(user, who, id)
 400	case "Pong":
 401		ilog.Printf("pong from %s: %s", who, obj)
 402	case "Follow":
 403		if obj != user.URL {
 404			ilog.Printf("can't follow %s", obj)
 405			return
 406		}
 407		followme(user, who, who, j)
 408	case "Accept":
 409		followyou2(user, j)
 410	case "Reject":
 411		nofollowyou2(user, j)
 412	case "Update":
 413		obj, ok := j.GetMap("object")
 414		if ok {
 415			what, _ := obj.GetString("type")
 416			switch what {
 417			case "Service":
 418				fallthrough
 419			case "Person":
 420				return
 421			case "Question":
 422				return
 423			}
 424		}
 425		go xonksaver(user, j, origin)
 426	case "Undo":
 427		obj, ok := j.GetMap("object")
 428		if !ok {
 429			folxid, ok := j.GetString("object")
 430			if ok && originate(folxid) == origin {
 431				unfollowme(user, "", "", j)
 432			}
 433			return
 434		}
 435		what, _ := obj.GetString("type")
 436		switch what {
 437		case "Follow":
 438			unfollowme(user, who, who, j)
 439		case "Announce":
 440			xid, _ := obj.GetString("object")
 441			dlog.Printf("undo announce: %s", xid)
 442		case "Like":
 443		default:
 444			ilog.Printf("unknown undo: %s", what)
 445		}
 446	case "EmojiReact":
 447		obj, ok := j.GetString("object")
 448		if ok {
 449			content, _ := j.GetString("content")
 450			addreaction(user, obj, who, content)
 451		}
 452	default:
 453		go xonksaver(user, j, origin)
 454	}
 455}
 456
 457func serverinbox(w http.ResponseWriter, r *http.Request) {
 458	user := getserveruser()
 459	if stealthmode(user.ID, r) {
 460		http.NotFound(w, r)
 461		return
 462	}
 463	var buf bytes.Buffer
 464	io.Copy(&buf, r.Body)
 465	payload := buf.Bytes()
 466	j, err := junk.FromBytes(payload)
 467	if err != nil {
 468		ilog.Printf("bad payload: %s", err)
 469		ilog.Writer().Write(payload)
 470		ilog.Writer().Write([]byte{'\n'})
 471		return
 472	}
 473	if crappola(j) {
 474		return
 475	}
 476	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 477	if err != nil && keyname != "" {
 478		savingthrow(keyname)
 479		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 480	}
 481	if err != nil {
 482		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 483		if keyname != "" {
 484			ilog.Printf("bad signature from %s", keyname)
 485		}
 486		http.Error(w, "what did you call me?", http.StatusTeapot)
 487		return
 488	}
 489	who, _ := j.GetString("actor")
 490	origin := keymatch(keyname, who)
 491	if origin == "" {
 492		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 493		return
 494	}
 495	if rejectactor(user.ID, who) {
 496		return
 497	}
 498	re_ont := regexp.MustCompile("https://" + serverName + "/o/([\\pL[:digit:]]+)")
 499	what, _ := j.GetString("type")
 500	dlog.Printf("server got a %s", what)
 501	switch what {
 502	case "Follow":
 503		obj, _ := j.GetString("object")
 504		if obj == user.URL {
 505			ilog.Printf("can't follow the server!")
 506			return
 507		}
 508		m := re_ont.FindStringSubmatch(obj)
 509		if len(m) != 2 {
 510			ilog.Printf("not sure how to handle this")
 511			return
 512		}
 513		ont := "#" + m[1]
 514
 515		followme(user, who, ont, j)
 516	case "Undo":
 517		obj, ok := j.GetMap("object")
 518		if !ok {
 519			ilog.Printf("unknown undo no object")
 520			return
 521		}
 522		what, _ := obj.GetString("type")
 523		if what != "Follow" {
 524			ilog.Printf("unknown undo: %s", what)
 525			return
 526		}
 527		targ, _ := obj.GetString("object")
 528		m := re_ont.FindStringSubmatch(targ)
 529		if len(m) != 2 {
 530			ilog.Printf("not sure how to handle this")
 531			return
 532		}
 533		ont := "#" + m[1]
 534		unfollowme(user, who, ont, j)
 535	default:
 536		ilog.Printf("unhandled server activity: %s", what)
 537		dumpactivity(j)
 538	}
 539}
 540
 541func serveractor(w http.ResponseWriter, r *http.Request) {
 542	user := getserveruser()
 543	if stealthmode(user.ID, r) {
 544		http.NotFound(w, r)
 545		return
 546	}
 547	j := junkuser(user)
 548	j.Write(w)
 549}
 550
 551func ximport(w http.ResponseWriter, r *http.Request) {
 552	u := login.GetUserInfo(r)
 553	xid := strings.TrimSpace(r.FormValue("q"))
 554	xonk := getxonk(u.UserID, xid)
 555	if xonk == nil {
 556		p, _ := investigate(xid)
 557		if p != nil {
 558			xid = p.XID
 559		}
 560		j, err := GetJunk(u.UserID, xid)
 561		if err != nil {
 562			http.Error(w, "error getting external object", http.StatusInternalServerError)
 563			ilog.Printf("error getting external object: %s", err)
 564			return
 565		}
 566		allinjest(originate(xid), j)
 567		dlog.Printf("importing %s", xid)
 568		user, _ := butwhatabout(u.Username)
 569
 570		info, _ := somethingabout(j)
 571		if info == nil {
 572			xonk = xonksaver(user, j, originate(xid))
 573		} else if info.What == SomeActor {
 574			outbox, _ := j.GetString("outbox")
 575			gimmexonks(user, outbox)
 576			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 577			return
 578		} else if info.What == SomeCollection {
 579			gimmexonks(user, xid)
 580			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 581			return
 582		}
 583	}
 584	convoy := ""
 585	if xonk != nil {
 586		convoy = xonk.Convoy
 587	}
 588	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 589}
 590
 591func xzone(w http.ResponseWriter, r *http.Request) {
 592	u := login.GetUserInfo(r)
 593	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 594	if err != nil {
 595		elog.Printf("query err: %s", err)
 596		return
 597	}
 598	defer rows.Close()
 599	var honkers []Honker
 600	for rows.Next() {
 601		var xid string
 602		rows.Scan(&xid)
 603		honkers = append(honkers, Honker{XID: xid})
 604	}
 605	rows.Close()
 606	for i, _ := range honkers {
 607		_, honkers[i].Handle = handles(honkers[i].XID)
 608	}
 609	templinfo := getInfo(r)
 610	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 611	templinfo["Honkers"] = honkers
 612	err = readviews.Execute(w, "xzone.html", templinfo)
 613	if err != nil {
 614		elog.Print(err)
 615	}
 616}
 617
 618var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 619	user, err := butwhatabout(name)
 620	if err != nil {
 621		return nil, false
 622	}
 623	honks := gethonksbyuser(name, false, 0)
 624	if len(honks) > 20 {
 625		honks = honks[0:20]
 626	}
 627
 628	var jonks []junk.Junk
 629	for _, h := range honks {
 630		j, _ := jonkjonk(user, h)
 631		jonks = append(jonks, j)
 632	}
 633
 634	j := junk.New()
 635	j["@context"] = itiswhatitis
 636	j["id"] = user.URL + "/outbox"
 637	j["attributedTo"] = user.URL
 638	j["type"] = "OrderedCollection"
 639	j["totalItems"] = len(jonks)
 640	j["orderedItems"] = jonks
 641
 642	return j.ToBytes(), true
 643}, Duration: 1 * time.Minute})
 644
 645func outbox(w http.ResponseWriter, r *http.Request) {
 646	name := mux.Vars(r)["name"]
 647	user, err := butwhatabout(name)
 648	if err != nil {
 649		http.NotFound(w, r)
 650		return
 651	}
 652	if stealthmode(user.ID, r) {
 653		http.NotFound(w, r)
 654		return
 655	}
 656	var j []byte
 657	ok := oldoutbox.Get(name, &j)
 658	if ok {
 659		w.Header().Set("Content-Type", theonetruename)
 660		w.Write(j)
 661	} else {
 662		http.NotFound(w, r)
 663	}
 664}
 665
 666var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 667	colname := "/followers"
 668	if strings.HasSuffix(url, "/following") {
 669		colname = "/following"
 670	}
 671	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 672	j := junk.New()
 673	j["@context"] = itiswhatitis
 674	j["id"] = user + colname
 675	j["attributedTo"] = user
 676	j["type"] = "OrderedCollection"
 677	j["totalItems"] = 0
 678	j["orderedItems"] = []junk.Junk{}
 679
 680	return j.ToBytes(), true
 681}})
 682
 683func emptiness(w http.ResponseWriter, r *http.Request) {
 684	name := mux.Vars(r)["name"]
 685	user, err := butwhatabout(name)
 686	if err != nil {
 687		http.NotFound(w, r)
 688		return
 689	}
 690	if stealthmode(user.ID, r) {
 691		http.NotFound(w, r)
 692		return
 693	}
 694	var j []byte
 695	ok := oldempties.Get(r.URL.Path, &j)
 696	if ok {
 697		w.Header().Set("Content-Type", theonetruename)
 698		w.Write(j)
 699	} else {
 700		http.NotFound(w, r)
 701	}
 702}
 703
 704func showuser(w http.ResponseWriter, r *http.Request) {
 705	name := mux.Vars(r)["name"]
 706	user, err := butwhatabout(name)
 707	if err != nil {
 708		ilog.Printf("user not found %s: %s", name, err)
 709		http.NotFound(w, r)
 710		return
 711	}
 712	if stealthmode(user.ID, r) {
 713		http.NotFound(w, r)
 714		return
 715	}
 716	if friendorfoe(r.Header.Get("Accept")) {
 717		j, ok := asjonker(name)
 718		if ok {
 719			w.Header().Set("Content-Type", theonetruename)
 720			w.Write(j)
 721		} else {
 722			http.NotFound(w, r)
 723		}
 724		return
 725	}
 726	u := login.GetUserInfo(r)
 727	honks := gethonksbyuser(name, u != nil && u.Username == name, 0)
 728	templinfo := getInfo(r)
 729	templinfo["PageName"] = "user"
 730	templinfo["PageArg"] = name
 731	templinfo["Name"] = user.Name
 732	templinfo["WhatAbout"] = user.HTAbout
 733	templinfo["ServerMessage"] = ""
 734	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 735	honkpage(w, u, honks, templinfo)
 736}
 737
 738func showhonker(w http.ResponseWriter, r *http.Request) {
 739	u := login.GetUserInfo(r)
 740	name := mux.Vars(r)["name"]
 741	var honks []*Honk
 742	if name == "" {
 743		name = r.FormValue("xid")
 744		honks = gethonksbyxonker(u.UserID, name, 0)
 745	} else {
 746		honks = gethonksbyhonker(u.UserID, name, 0)
 747	}
 748	miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
 749<input type="hidden" name="CSRF" value="%s">
 750<input type="hidden" name="url" value="%s">
 751<button tabindex=1 name="add honker" value="add honker">add honker</button>
 752</form>`, login.GetCSRF("submithonker", r), name)
 753	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, name, name, miniform)
 754	templinfo := getInfo(r)
 755	templinfo["PageName"] = "honker"
 756	templinfo["PageArg"] = name
 757	templinfo["ServerMessage"] = msg
 758	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 759	honkpage(w, u, honks, templinfo)
 760}
 761
 762func showcombo(w http.ResponseWriter, r *http.Request) {
 763	name := mux.Vars(r)["name"]
 764	u := login.GetUserInfo(r)
 765	honks := gethonksbycombo(u.UserID, name, 0)
 766	honks = osmosis(honks, u.UserID, true)
 767	templinfo := getInfo(r)
 768	templinfo["PageName"] = "combo"
 769	templinfo["PageArg"] = name
 770	templinfo["ServerMessage"] = "honks by combo: " + name
 771	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 772	honkpage(w, u, honks, templinfo)
 773}
 774func showconvoy(w http.ResponseWriter, r *http.Request) {
 775	c := r.FormValue("c")
 776	u := login.GetUserInfo(r)
 777	honks := gethonksbyconvoy(u.UserID, c, 0)
 778	templinfo := getInfo(r)
 779	if len(honks) > 0 {
 780		templinfo["TopHID"] = honks[0].ID
 781	}
 782	honks = osmosis(honks, u.UserID, false)
 783	//reversehonks(honks)
 784	honks = threadsort(honks)
 785	templinfo["PageName"] = "convoy"
 786	templinfo["PageArg"] = c
 787	templinfo["ServerMessage"] = "honks in convoy: " + c
 788	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 789	honkpage(w, u, honks, templinfo)
 790}
 791func showsearch(w http.ResponseWriter, r *http.Request) {
 792	q := r.FormValue("q")
 793	if strings.HasPrefix(q, "https://") {
 794		ximport(w, r)
 795		return
 796	}
 797	u := login.GetUserInfo(r)
 798	honks := gethonksbysearch(u.UserID, q, 0)
 799	templinfo := getInfo(r)
 800	templinfo["PageName"] = "search"
 801	templinfo["PageArg"] = q
 802	templinfo["ServerMessage"] = "honks for search: " + q
 803	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 804	honkpage(w, u, honks, templinfo)
 805}
 806func showontology(w http.ResponseWriter, r *http.Request) {
 807	name := mux.Vars(r)["name"]
 808	u := login.GetUserInfo(r)
 809	var userid int64 = -1
 810	if u != nil {
 811		userid = u.UserID
 812	}
 813	honks := gethonksbyontology(userid, "#"+name, 0)
 814	if friendorfoe(r.Header.Get("Accept")) {
 815		if len(honks) > 40 {
 816			honks = honks[0:40]
 817		}
 818
 819		var xids []string
 820		for _, h := range honks {
 821			xids = append(xids, h.XID)
 822		}
 823
 824		user := getserveruser()
 825
 826		j := junk.New()
 827		j["@context"] = itiswhatitis
 828		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 829		j["name"] = "#" + name
 830		j["attributedTo"] = user.URL
 831		j["type"] = "OrderedCollection"
 832		j["totalItems"] = len(xids)
 833		j["orderedItems"] = xids
 834
 835		j.Write(w)
 836		return
 837	}
 838
 839	templinfo := getInfo(r)
 840	templinfo["ServerMessage"] = "honks by ontology: " + name
 841	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 842	honkpage(w, u, honks, templinfo)
 843}
 844
 845type Ont struct {
 846	Name  string
 847	Count int64
 848}
 849
 850func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 851	u := login.GetUserInfo(r)
 852	var userid int64 = -1
 853	if u != nil {
 854		userid = u.UserID
 855	}
 856	rows, err := stmtAllOnts.Query(userid)
 857	if err != nil {
 858		elog.Printf("selection error: %s", err)
 859		return
 860	}
 861	defer rows.Close()
 862	var onts []Ont
 863	for rows.Next() {
 864		var o Ont
 865		err := rows.Scan(&o.Name, &o.Count)
 866		if err != nil {
 867			elog.Printf("error scanning ont: %s", err)
 868			continue
 869		}
 870		if utf8.RuneCountInString(o.Name) > 24 {
 871			continue
 872		}
 873		o.Name = o.Name[1:]
 874		onts = append(onts, o)
 875	}
 876	sort.Slice(onts, func(i, j int) bool {
 877		return onts[i].Name < onts[j].Name
 878	})
 879	if u == nil && !develMode {
 880		w.Header().Set("Cache-Control", "max-age=300")
 881	}
 882	templinfo := getInfo(r)
 883	templinfo["Onts"] = onts
 884	templinfo["FirstRune"] = func(s string) rune { r, _ := utf8.DecodeRuneInString(s); return r }
 885	err = readviews.Execute(w, "onts.html", templinfo)
 886	if err != nil {
 887		elog.Print(err)
 888	}
 889}
 890
 891type Track struct {
 892	xid string
 893	who string
 894}
 895
 896func getbacktracks(xid string) []string {
 897	c := make(chan bool)
 898	dumptracks <- c
 899	<-c
 900	row := stmtGetTracks.QueryRow(xid)
 901	var rawtracks string
 902	err := row.Scan(&rawtracks)
 903	if err != nil {
 904		if err != sql.ErrNoRows {
 905			elog.Printf("error scanning tracks: %s", err)
 906		}
 907		return nil
 908	}
 909	var rcpts []string
 910	for _, f := range strings.Split(rawtracks, " ") {
 911		idx := strings.LastIndexByte(f, '#')
 912		if idx != -1 {
 913			f = f[:idx]
 914		}
 915		if !strings.HasPrefix(f, "https://") {
 916			f = fmt.Sprintf("%%https://%s/inbox", f)
 917		}
 918		rcpts = append(rcpts, f)
 919	}
 920	return rcpts
 921}
 922
 923func savetracks(tracks map[string][]string) {
 924	db := opendatabase()
 925	tx, err := db.Begin()
 926	if err != nil {
 927		elog.Printf("savetracks begin error: %s", err)
 928		return
 929	}
 930	defer func() {
 931		err := tx.Commit()
 932		if err != nil {
 933			elog.Printf("savetracks commit error: %s", err)
 934		}
 935
 936	}()
 937	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
 938	if err != nil {
 939		elog.Printf("savetracks error: %s", err)
 940		return
 941	}
 942	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
 943	if err != nil {
 944		elog.Printf("savetracks error: %s", err)
 945		return
 946	}
 947	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
 948	if err != nil {
 949		elog.Printf("savetracks error: %s", err)
 950		return
 951	}
 952	count := 0
 953	for xid, f := range tracks {
 954		count += len(f)
 955		var prev string
 956		row := stmtGetTracks.QueryRow(xid)
 957		err := row.Scan(&prev)
 958		if err == sql.ErrNoRows {
 959			f = oneofakind(f)
 960			stmtNewTracks.Exec(xid, strings.Join(f, " "))
 961		} else if err == nil {
 962			all := append(strings.Split(prev, " "), f...)
 963			all = oneofakind(all)
 964			stmtUpdateTracks.Exec(strings.Join(all, " "))
 965		} else {
 966			elog.Printf("savetracks error: %s", err)
 967		}
 968	}
 969	dlog.Printf("saved %d new fetches", count)
 970}
 971
 972var trackchan = make(chan Track)
 973var dumptracks = make(chan chan bool)
 974
 975func tracker() {
 976	timeout := 4 * time.Minute
 977	sleeper := time.NewTimer(timeout)
 978	tracks := make(map[string][]string)
 979	workinprogress++
 980	for {
 981		select {
 982		case track := <-trackchan:
 983			tracks[track.xid] = append(tracks[track.xid], track.who)
 984		case <-sleeper.C:
 985			if len(tracks) > 0 {
 986				go savetracks(tracks)
 987				tracks = make(map[string][]string)
 988			}
 989			sleeper.Reset(timeout)
 990		case c := <-dumptracks:
 991			if len(tracks) > 0 {
 992				savetracks(tracks)
 993			}
 994			c <- true
 995		case <-endoftheworld:
 996			if len(tracks) > 0 {
 997				savetracks(tracks)
 998			}
 999			readyalready <- true
1000			return
1001		}
1002	}
1003}
1004
1005var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1006
1007func trackback(xid string, r *http.Request) {
1008	agent := r.UserAgent()
1009	who := originate(agent)
1010	sig := r.Header.Get("Signature")
1011	if sig != "" {
1012		m := re_keyholder.FindStringSubmatch(sig)
1013		if len(m) == 2 {
1014			who = m[1]
1015		}
1016	}
1017	if who != "" {
1018		trackchan <- Track{xid: xid, who: who}
1019	}
1020}
1021
1022func threadsort(honks []*Honk) []*Honk {
1023	sort.Slice(honks, func(i, j int) bool {
1024		return honks[i].Date.Before(honks[j].Date)
1025	})
1026	honkx := make(map[string]*Honk)
1027	kids := make(map[string][]*Honk)
1028	for _, h := range honks {
1029		honkx[h.XID] = h
1030		rid := h.RID
1031		kids[rid] = append(kids[rid], h)
1032	}
1033	done := make(map[*Honk]bool)
1034	var thread []*Honk
1035	var nextlevel func(p *Honk)
1036	level := 0
1037	nextlevel = func(p *Honk) {
1038		levelup := level < 4
1039		if pp := honkx[p.RID]; p.RID == "" || (pp != nil && p.Honker == pp.Honker) {
1040			levelup = false
1041		}
1042		if level > 0 && len(kids[p.RID]) == 1 {
1043			if pp := honkx[p.RID]; pp != nil && len(kids[pp.RID]) == 1 {
1044				levelup = false
1045			}
1046		}
1047		if levelup {
1048			level++
1049		}
1050		p.Style += fmt.Sprintf(" level%d", level)
1051		childs := kids[p.XID]
1052		sort.SliceStable(childs, func(i, j int) bool {
1053			return childs[i].Honker == p.Honker && childs[j].Honker != p.Honker
1054		})
1055		for _, h := range childs {
1056			if !done[h] {
1057				done[h] = true
1058				thread = append(thread, h)
1059				nextlevel(h)
1060			}
1061		}
1062		if levelup {
1063			level--
1064		}
1065	}
1066	for _, h := range honks {
1067		if !done[h] && h.RID == "" {
1068			done[h] = true
1069			thread = append(thread, h)
1070			nextlevel(h)
1071		}
1072	}
1073	for _, h := range honks {
1074		if !done[h] {
1075			done[h] = true
1076			thread = append(thread, h)
1077			nextlevel(h)
1078		}
1079	}
1080	return thread
1081}
1082
1083func honkology(honk *Honk) template.HTML {
1084	var user *WhatAbout
1085	ok := somenumberedusers.Get(honk.UserID, &user)
1086	if !ok {
1087		return ""
1088	}
1089	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1090	imgurl := avatarURL(user)
1091	for _, d := range honk.Donks {
1092		if d.Local && strings.HasPrefix(d.Media, "image") {
1093			imgurl = d.URL
1094			break
1095		}
1096	}
1097	short := honk.Noise
1098	if len(short) > 160 {
1099		short = short[0:160] + "..."
1100	}
1101	return templates.Sprintf(
1102		`<meta property="og:title" content="%s" />
1103<meta property="og:type" content="article" />
1104<meta property="article:author" content="%s" />
1105<meta property="og:url" content="%s" />
1106<meta property="og:image" content="%s" />
1107<meta property="og:description" content="%s" />`,
1108		title, user.URL, honk.XID, imgurl, short)
1109}
1110
1111func showonehonk(w http.ResponseWriter, r *http.Request) {
1112	name := mux.Vars(r)["name"]
1113	user, err := butwhatabout(name)
1114	if err != nil {
1115		http.NotFound(w, r)
1116		return
1117	}
1118	if stealthmode(user.ID, r) {
1119		http.NotFound(w, r)
1120		return
1121	}
1122	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1123
1124	if friendorfoe(r.Header.Get("Accept")) {
1125		j, ok := gimmejonk(xid)
1126		if ok {
1127			trackback(xid, r)
1128			w.Header().Set("Content-Type", theonetruename)
1129			w.Write(j)
1130		} else {
1131			http.NotFound(w, r)
1132		}
1133		return
1134	}
1135	honk := getxonk(user.ID, xid)
1136	if honk == nil {
1137		http.NotFound(w, r)
1138		return
1139	}
1140	u := login.GetUserInfo(r)
1141	if u != nil && u.UserID != user.ID {
1142		u = nil
1143	}
1144	if !honk.Public {
1145		if u == nil {
1146			http.NotFound(w, r)
1147			return
1148
1149		}
1150		honks := []*Honk{honk}
1151		donksforhonks(honks)
1152		templinfo := getInfo(r)
1153		templinfo["ServerMessage"] = "one honk maybe more"
1154		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1155		honkpage(w, u, honks, templinfo)
1156		return
1157	}
1158
1159	templinfo := getInfo(r)
1160	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1161	//reversehonks(rawhonks)
1162	rawhonks = threadsort(rawhonks)
1163	var honks []*Honk
1164	for _, h := range rawhonks {
1165		if h.XID == xid {
1166			templinfo["Honkology"] = honkology(h)
1167			if len(honks) != 0 {
1168				h.Style += " glow"
1169			}
1170		}
1171		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1172			honks = append(honks, h)
1173		}
1174	}
1175
1176	templinfo["ServerMessage"] = "one honk maybe more"
1177	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1178	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1179	honkpage(w, u, honks, templinfo)
1180}
1181
1182func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1183	var userid int64 = -1
1184	if u != nil {
1185		userid = u.UserID
1186		templinfo["User"], _ = butwhatabout(u.Username)
1187	}
1188	reverbolate(userid, honks)
1189	templinfo["Honks"] = honks
1190	templinfo["MapLink"] = getmaplink(u)
1191	if templinfo["TopHID"] == nil {
1192		if len(honks) > 0 {
1193			templinfo["TopHID"] = honks[0].ID
1194		} else {
1195			templinfo["TopHID"] = 0
1196		}
1197	}
1198	if u == nil && !develMode {
1199		w.Header().Set("Cache-Control", "max-age=60")
1200	}
1201	err := readviews.Execute(w, "honkpage.html", templinfo)
1202	if err != nil {
1203		elog.Print(err)
1204	}
1205}
1206
1207func saveuser(w http.ResponseWriter, r *http.Request) {
1208	whatabout := r.FormValue("whatabout")
1209	whatabout = strings.Replace(whatabout, "\r", "", -1)
1210	u := login.GetUserInfo(r)
1211	user, _ := butwhatabout(u.Username)
1212	db := opendatabase()
1213
1214	options := user.Options
1215	if r.FormValue("skinny") == "skinny" {
1216		options.SkinnyCSS = true
1217	} else {
1218		options.SkinnyCSS = false
1219	}
1220	if r.FormValue("omitimages") == "omitimages" {
1221		options.OmitImages = true
1222	} else {
1223		options.OmitImages = false
1224	}
1225	if r.FormValue("mentionall") == "mentionall" {
1226		options.MentionAll = true
1227	} else {
1228		options.MentionAll = false
1229	}
1230	if r.FormValue("inlineqts") == "inlineqts" {
1231		options.InlineQuotes = true
1232	} else {
1233		options.InlineQuotes = false
1234	}
1235	if r.FormValue("maps") == "apple" {
1236		options.MapLink = "apple"
1237	} else {
1238		options.MapLink = ""
1239	}
1240
1241	sendupdate := false
1242	if r.FormValue("displayname") != "" {
1243		options.CustomDisplay = r.FormValue("displayname")
1244		_, err := db.Exec("update users set displayname = ? where username = ?", options.CustomDisplay, u.Username)
1245		if err != nil {
1246			elog.Printf("error setting displayname: %s", err)
1247		}
1248		sendupdate = true
1249	} else {
1250		options.CustomDisplay = ""
1251	}
1252
1253	options.Reaction = r.FormValue("reaction")
1254
1255	ava := re_avatar.FindString(whatabout)
1256	if ava != "" {
1257		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1258		ava = ava[7:]
1259		if ava[0] == ' ' {
1260			ava = ava[1:]
1261		}
1262		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1263	}
1264	if ava != options.Avatar {
1265		options.Avatar = ava
1266		sendupdate = true
1267	}
1268	ban := re_banner.FindString(whatabout)
1269	if ban != "" {
1270		whatabout = re_banner.ReplaceAllString(whatabout, "")
1271		ban = ban[7:]
1272		if ban[0] == ' ' {
1273			ban = ban[1:]
1274		}
1275		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1276	}
1277	if ban != options.Banner {
1278		options.Banner = ban
1279		sendupdate = true
1280	}
1281	whatabout = strings.TrimSpace(whatabout)
1282	if whatabout != user.About {
1283		sendupdate = true
1284	}
1285	j, err := jsonify(options)
1286	if err == nil {
1287		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1288	}
1289	if err != nil {
1290		elog.Printf("error bouting what: %s", err)
1291	}
1292	somenamedusers.Clear(u.Username)
1293	somenumberedusers.Clear(u.UserID)
1294	oldjonkers.Clear(u.Username)
1295
1296	if sendupdate {
1297		updateMe(u.Username)
1298	}
1299
1300	http.Redirect(w, r, "/account", http.StatusSeeOther)
1301}
1302
1303func bonkit(xid string, user *WhatAbout) {
1304	dlog.Printf("bonking %s", xid)
1305
1306	xonk := getxonk(user.ID, xid)
1307	if xonk == nil {
1308		return
1309	}
1310	if !xonk.Public {
1311		return
1312	}
1313	if xonk.IsBonked() {
1314		return
1315	}
1316	donksforhonks([]*Honk{xonk})
1317
1318	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1319	if err != nil {
1320		elog.Printf("error acking bonk: %s", err)
1321	}
1322
1323	oonker := xonk.Oonker
1324	if oonker == "" {
1325		oonker = xonk.Honker
1326	}
1327	dt := time.Now().UTC()
1328	bonk := &Honk{
1329		UserID:   user.ID,
1330		Username: user.Name,
1331		What:     "bonk",
1332		Honker:   user.URL,
1333		Oonker:   oonker,
1334		XID:      xonk.XID,
1335		RID:      xonk.RID,
1336		Noise:    xonk.Noise,
1337		Precis:   xonk.Precis,
1338		URL:      xonk.URL,
1339		Date:     dt,
1340		Donks:    xonk.Donks,
1341		Whofore:  2,
1342		Convoy:   xonk.Convoy,
1343		Audience: []string{thewholeworld, oonker},
1344		Public:   true,
1345		Format:   xonk.Format,
1346		Place:    xonk.Place,
1347		Onts:     xonk.Onts,
1348		Time:     xonk.Time,
1349	}
1350
1351	err = savehonk(bonk)
1352	if err != nil {
1353		elog.Printf("uh oh")
1354		return
1355	}
1356
1357	go honkworldwide(user, bonk)
1358}
1359
1360func submitbonk(w http.ResponseWriter, r *http.Request) {
1361	xid := r.FormValue("xid")
1362	userinfo := login.GetUserInfo(r)
1363	user, _ := butwhatabout(userinfo.Username)
1364
1365	bonkit(xid, user)
1366
1367	if r.FormValue("js") != "1" {
1368		templinfo := getInfo(r)
1369		templinfo["ServerMessage"] = "Bonked!"
1370		err := readviews.Execute(w, "msg.html", templinfo)
1371		if err != nil {
1372			elog.Print(err)
1373		}
1374	}
1375}
1376
1377func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1378	zonk := &Honk{
1379		What:     what,
1380		XID:      xonk.XID,
1381		Date:     time.Now().UTC(),
1382		Audience: oneofakind(xonk.Audience),
1383		Noise:    aux,
1384	}
1385	zonk.Public = loudandproud(zonk.Audience)
1386
1387	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1388	go honkworldwide(user, zonk)
1389}
1390
1391func zonkit(w http.ResponseWriter, r *http.Request) {
1392	wherefore := r.FormValue("wherefore")
1393	what := r.FormValue("what")
1394	userinfo := login.GetUserInfo(r)
1395	user, _ := butwhatabout(userinfo.Username)
1396
1397	if wherefore == "save" {
1398		xonk := getxonk(userinfo.UserID, what)
1399		if xonk != nil {
1400			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1401			if err != nil {
1402				elog.Printf("error saving: %s", err)
1403			}
1404		}
1405		return
1406	}
1407
1408	if wherefore == "unsave" {
1409		xonk := getxonk(userinfo.UserID, what)
1410		if xonk != nil {
1411			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1412			if err != nil {
1413				elog.Printf("error unsaving: %s", err)
1414			}
1415		}
1416		return
1417	}
1418
1419	if wherefore == "react" {
1420		reaction := user.Options.Reaction
1421		if r2 := r.FormValue("reaction"); r2 != "" {
1422			reaction = r2
1423		}
1424		if reaction == "none" {
1425			return
1426		}
1427		xonk := getxonk(userinfo.UserID, what)
1428		if xonk != nil {
1429			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1430			if err != nil {
1431				elog.Printf("error saving: %s", err)
1432			}
1433			sendzonkofsorts(xonk, user, "react", reaction)
1434		}
1435		return
1436	}
1437
1438	// my hammer is too big, oh well
1439	defer oldjonks.Flush()
1440
1441	if wherefore == "ack" {
1442		xonk := getxonk(userinfo.UserID, what)
1443		if xonk != nil && !xonk.IsAcked() {
1444			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1445			if err != nil {
1446				elog.Printf("error acking: %s", err)
1447			}
1448			sendzonkofsorts(xonk, user, "ack", "")
1449		}
1450		return
1451	}
1452
1453	if wherefore == "deack" {
1454		xonk := getxonk(userinfo.UserID, what)
1455		if xonk != nil && xonk.IsAcked() {
1456			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1457			if err != nil {
1458				elog.Printf("error deacking: %s", err)
1459			}
1460			sendzonkofsorts(xonk, user, "deack", "")
1461		}
1462		return
1463	}
1464
1465	if wherefore == "bonk" {
1466		user, _ := butwhatabout(userinfo.Username)
1467		bonkit(what, user)
1468		return
1469	}
1470
1471	if wherefore == "unbonk" {
1472		xonk := getbonk(userinfo.UserID, what)
1473		if xonk != nil {
1474			deletehonk(xonk.ID)
1475			xonk = getxonk(userinfo.UserID, what)
1476			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1477			if err != nil {
1478				elog.Printf("error unbonking: %s", err)
1479			}
1480			sendzonkofsorts(xonk, user, "unbonk", "")
1481		}
1482		return
1483	}
1484
1485	if wherefore == "untag" {
1486		xonk := getxonk(userinfo.UserID, what)
1487		if xonk != nil {
1488			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1489			if err != nil {
1490				elog.Printf("error untagging: %s", err)
1491			}
1492		}
1493		var badparents map[string]bool
1494		untagged.GetAndLock(userinfo.UserID, &badparents)
1495		badparents[what] = true
1496		untagged.Unlock()
1497		return
1498	}
1499
1500	ilog.Printf("zonking %s %s", wherefore, what)
1501	if wherefore == "zonk" {
1502		xonk := getxonk(userinfo.UserID, what)
1503		if xonk != nil {
1504			deletehonk(xonk.ID)
1505			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1506				sendzonkofsorts(xonk, user, "zonk", "")
1507			}
1508		}
1509	}
1510	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1511	if err != nil {
1512		elog.Printf("error saving zonker: %s", err)
1513		return
1514	}
1515}
1516
1517func edithonkpage(w http.ResponseWriter, r *http.Request) {
1518	u := login.GetUserInfo(r)
1519	user, _ := butwhatabout(u.Username)
1520	xid := r.FormValue("xid")
1521	honk := getxonk(u.UserID, xid)
1522	if !canedithonk(user, honk) {
1523		http.Error(w, "no editing that please", http.StatusInternalServerError)
1524		return
1525	}
1526
1527	noise := honk.Noise
1528
1529	honks := []*Honk{honk}
1530	donksforhonks(honks)
1531	reverbolate(u.UserID, honks)
1532	templinfo := getInfo(r)
1533	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1534	templinfo["Honks"] = honks
1535	templinfo["MapLink"] = getmaplink(u)
1536	templinfo["Noise"] = noise
1537	templinfo["SavedPlace"] = honk.Place
1538	if tm := honk.Time; tm != nil {
1539		templinfo["ShowTime"] = " "
1540		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1541		if tm.Duration != 0 {
1542			templinfo["Duration"] = tm.Duration
1543		}
1544	}
1545	templinfo["ServerMessage"] = "honk edit 2"
1546	templinfo["IsPreview"] = true
1547	templinfo["UpdateXID"] = honk.XID
1548	if len(honk.Donks) > 0 {
1549		templinfo["SavedFile"] = honk.Donks[0].XID
1550	}
1551	err := readviews.Execute(w, "honkpage.html", templinfo)
1552	if err != nil {
1553		elog.Print(err)
1554	}
1555}
1556
1557func newhonkpage(w http.ResponseWriter, r *http.Request) {
1558	u := login.GetUserInfo(r)
1559	rid := r.FormValue("rid")
1560	noise := ""
1561
1562	xonk := getxonk(u.UserID, rid)
1563	if xonk != nil {
1564		_, replto := handles(xonk.Honker)
1565		if replto != "" {
1566			noise = "@" + replto + " "
1567		}
1568	}
1569
1570	templinfo := getInfo(r)
1571	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1572	templinfo["InReplyTo"] = rid
1573	templinfo["Noise"] = noise
1574	templinfo["ServerMessage"] = "compose honk"
1575	templinfo["IsPreview"] = true
1576	err := readviews.Execute(w, "honkpage.html", templinfo)
1577	if err != nil {
1578		elog.Print(err)
1579	}
1580}
1581
1582func canedithonk(user *WhatAbout, honk *Honk) bool {
1583	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1584		return false
1585	}
1586	return true
1587}
1588
1589func submitdonk(w http.ResponseWriter, r *http.Request) (*Donk, error) {
1590	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1591		return nil, nil
1592	}
1593	file, filehdr, err := r.FormFile("donk")
1594	if err != nil {
1595		if err == http.ErrMissingFile {
1596			return nil, nil
1597		}
1598		elog.Printf("error reading donk: %s", err)
1599		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1600		return nil, err
1601	}
1602	var buf bytes.Buffer
1603	io.Copy(&buf, file)
1604	file.Close()
1605	data := buf.Bytes()
1606	var media, name string
1607	img, err := shrinkit(data)
1608	if err == nil {
1609		data = img.Data
1610		format := img.Format
1611		media = "image/" + format
1612		if format == "jpeg" {
1613			format = "jpg"
1614		}
1615		if format == "svg+xml" {
1616			format = "svg"
1617		}
1618		name = xfiltrate() + "." + format
1619	} else {
1620		ct := http.DetectContentType(data)
1621		switch ct {
1622		case "application/pdf":
1623			maxsize := 10000000
1624			if len(data) > maxsize {
1625				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1626				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1627				return nil, err
1628			}
1629			media = ct
1630			name = filehdr.Filename
1631			if name == "" {
1632				name = xfiltrate() + ".pdf"
1633			}
1634		default:
1635			maxsize := 100000
1636			if len(data) > maxsize {
1637				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1638				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1639				return nil, err
1640			}
1641			for i := 0; i < len(data); i++ {
1642				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1643					ilog.Printf("bad image: %s not text: %d", err, data[i])
1644					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1645					return nil, err
1646				}
1647			}
1648			media = "text/plain"
1649			name = filehdr.Filename
1650			if name == "" {
1651				name = xfiltrate() + ".txt"
1652			}
1653		}
1654	}
1655	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1656	if desc == "" {
1657		desc = name
1658	}
1659	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1660	if err != nil {
1661		elog.Printf("unable to save image: %s", err)
1662		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1663		return nil, err
1664	}
1665	d := &Donk{
1666		FileID: fileid,
1667		XID:    xid,
1668		Desc:   desc,
1669		Local:  true,
1670	}
1671	return d, nil
1672}
1673
1674func websubmithonk(w http.ResponseWriter, r *http.Request) {
1675	h := submithonk(w, r)
1676	if h == nil {
1677		return
1678	}
1679	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1680}
1681
1682// what a hot mess this function is
1683func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1684	rid := r.FormValue("rid")
1685	noise := r.FormValue("noise")
1686	format := r.FormValue("format")
1687	if format == "" {
1688		format = "markdown"
1689	}
1690	if !(format == "markdown" || format == "html") {
1691		http.Error(w, "unknown format", 500)
1692		return nil
1693	}
1694
1695	userinfo := login.GetUserInfo(r)
1696	user, _ := butwhatabout(userinfo.Username)
1697
1698	dt := time.Now().UTC()
1699	updatexid := r.FormValue("updatexid")
1700	var honk *Honk
1701	if updatexid != "" {
1702		honk = getxonk(userinfo.UserID, updatexid)
1703		if !canedithonk(user, honk) {
1704			http.Error(w, "no editing that please", http.StatusInternalServerError)
1705			return nil
1706		}
1707		honk.Date = dt
1708		honk.What = "update"
1709		honk.Format = format
1710	} else {
1711		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1712		what := "honk"
1713		if rid != "" {
1714			what = "tonk"
1715		}
1716		honk = &Honk{
1717			UserID:   userinfo.UserID,
1718			Username: userinfo.Username,
1719			What:     what,
1720			Honker:   user.URL,
1721			XID:      xid,
1722			Date:     dt,
1723			Format:   format,
1724		}
1725	}
1726
1727	var convoy string
1728	noise = strings.Replace(noise, "\r", "", -1)
1729	if updatexid == "" && rid == "" {
1730		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1731			convoy = m[7:]
1732			convoy = strings.TrimSpace(convoy)
1733			if !re_convalidate.MatchString(convoy) {
1734				convoy = ""
1735			}
1736			return ""
1737		})
1738	}
1739	noise = quickrename(noise, userinfo.UserID)
1740	noise = hooterize(noise)
1741	honk.Noise = noise
1742	precipitate(honk)
1743	noise = honk.Noise
1744	translate(honk)
1745
1746	if rid != "" {
1747		xonk := getxonk(userinfo.UserID, rid)
1748		if xonk == nil {
1749			http.Error(w, "replyto disappeared", http.StatusNotFound)
1750			return nil
1751		}
1752		if xonk.Public {
1753			honk.Audience = append(honk.Audience, xonk.Audience...)
1754		}
1755		convoy = xonk.Convoy
1756		for i, a := range honk.Audience {
1757			if a == thewholeworld {
1758				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1759				break
1760			}
1761		}
1762		honk.RID = rid
1763		if xonk.Precis != "" && honk.Precis == "" {
1764			honk.Precis = xonk.Precis
1765			if !re_dangerous.MatchString(honk.Precis) {
1766				honk.Precis = "re: " + honk.Precis
1767			}
1768		}
1769	} else {
1770		honk.Audience = []string{thewholeworld}
1771	}
1772	if honk.Noise != "" && honk.Noise[0] == '@' {
1773		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1774	} else {
1775		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1776	}
1777
1778	if convoy == "" {
1779		convoy = fmt.Sprintf("data:,%s-", masqName) + xfiltrate()
1780	}
1781	butnottooloud(honk.Audience)
1782	honk.Audience = oneofakind(honk.Audience)
1783	if len(honk.Audience) == 0 {
1784		ilog.Printf("honk to nowhere")
1785		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1786		return nil
1787	}
1788	honk.Public = loudandproud(honk.Audience)
1789	honk.Convoy = convoy
1790
1791	donkxid := r.FormValue("donkxid")
1792	if donkxid == "" {
1793		d, err := submitdonk(w, r)
1794		if err != nil && err != http.ErrMissingFile {
1795			return nil
1796		}
1797		if d != nil {
1798			honk.Donks = append(honk.Donks, d)
1799			donkxid = fmt.Sprintf("%s:%d", d.XID, d.FileID)
1800		}
1801	} else {
1802		p := strings.Split(donkxid, ":")
1803		xid := p[0]
1804		url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1805		var donk *Donk
1806		if len(p) > 1 {
1807			fileid, _ := strconv.ParseInt(p[1], 10, 0)
1808			donk = finddonkid(fileid, url)
1809		} else {
1810			donk = finddonk(url)
1811		}
1812		if donk != nil {
1813			honk.Donks = append(honk.Donks, donk)
1814		} else {
1815			ilog.Printf("can't find file: %s", xid)
1816		}
1817	}
1818	memetize(honk)
1819	imaginate(honk)
1820
1821	placename := strings.TrimSpace(r.FormValue("placename"))
1822	placelat := strings.TrimSpace(r.FormValue("placelat"))
1823	placelong := strings.TrimSpace(r.FormValue("placelong"))
1824	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1825	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1826		p := new(Place)
1827		p.Name = placename
1828		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1829		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1830		p.Url = placeurl
1831		honk.Place = p
1832	}
1833	timestart := strings.TrimSpace(r.FormValue("timestart"))
1834	if timestart != "" {
1835		t := new(Time)
1836		now := time.Now().Local()
1837		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1838			start, err := time.ParseInLocation(layout, timestart, now.Location())
1839			if err == nil {
1840				if start.Year() == 0 {
1841					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1842				}
1843				t.StartTime = start
1844				break
1845			}
1846		}
1847		timeend := r.FormValue("timeend")
1848		dur := parseDuration(timeend)
1849		if dur != 0 {
1850			t.Duration = Duration(dur)
1851		}
1852		if !t.StartTime.IsZero() {
1853			honk.What = "event"
1854			honk.Time = t
1855		}
1856	}
1857
1858	if honk.Public {
1859		honk.Whofore = 2
1860	} else {
1861		honk.Whofore = 3
1862	}
1863
1864	// back to markdown
1865	honk.Noise = noise
1866
1867	if r.FormValue("preview") == "preview" {
1868		honks := []*Honk{honk}
1869		reverbolate(userinfo.UserID, honks)
1870		templinfo := getInfo(r)
1871		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1872		templinfo["Honks"] = honks
1873		templinfo["MapLink"] = getmaplink(userinfo)
1874		templinfo["InReplyTo"] = r.FormValue("rid")
1875		templinfo["Noise"] = r.FormValue("noise")
1876		templinfo["SavedFile"] = donkxid
1877		if tm := honk.Time; tm != nil {
1878			templinfo["ShowTime"] = " "
1879			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1880			if tm.Duration != 0 {
1881				templinfo["Duration"] = tm.Duration
1882			}
1883		}
1884		templinfo["IsPreview"] = true
1885		templinfo["UpdateXID"] = updatexid
1886		templinfo["ServerMessage"] = "honk preview"
1887		err := readviews.Execute(w, "honkpage.html", templinfo)
1888		if err != nil {
1889			elog.Print(err)
1890		}
1891		return nil
1892	}
1893
1894	if updatexid != "" {
1895		updatehonk(honk)
1896		oldjonks.Clear(honk.XID)
1897	} else {
1898		err := savehonk(honk)
1899		if err != nil {
1900			elog.Printf("uh oh")
1901			return nil
1902		}
1903	}
1904
1905	// reload for consistency
1906	honk.Donks = nil
1907	donksforhonks([]*Honk{honk})
1908
1909	go honkworldwide(user, honk)
1910
1911	return honk
1912}
1913
1914func showhonkers(w http.ResponseWriter, r *http.Request) {
1915	userinfo := login.GetUserInfo(r)
1916	templinfo := getInfo(r)
1917	templinfo["Honkers"] = gethonkers(userinfo.UserID)
1918	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
1919	err := readviews.Execute(w, "honkers.html", templinfo)
1920	if err != nil {
1921		elog.Print(err)
1922	}
1923}
1924
1925func showchatter(w http.ResponseWriter, r *http.Request) {
1926	u := login.GetUserInfo(r)
1927	chatnewnone(u.UserID)
1928	chatter := loadchatter(u.UserID)
1929	for _, chat := range chatter {
1930		for _, ch := range chat.Chonks {
1931			filterchonk(ch)
1932		}
1933	}
1934
1935	templinfo := getInfo(r)
1936	templinfo["Chatter"] = chatter
1937	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
1938	err := readviews.Execute(w, "chatter.html", templinfo)
1939	if err != nil {
1940		elog.Print(err)
1941	}
1942}
1943
1944func submitchonk(w http.ResponseWriter, r *http.Request) {
1945	u := login.GetUserInfo(r)
1946	user, _ := butwhatabout(u.Username)
1947	noise := r.FormValue("noise")
1948	target := r.FormValue("target")
1949	format := "markdown"
1950	dt := time.Now().UTC()
1951	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
1952
1953	if !strings.HasPrefix(target, "https://") {
1954		target = fullname(target, u.UserID)
1955	}
1956	if target == "" {
1957		http.Error(w, "who is that?", http.StatusInternalServerError)
1958		return
1959	}
1960	ch := Chonk{
1961		UserID: u.UserID,
1962		XID:    xid,
1963		Who:    user.URL,
1964		Target: target,
1965		Date:   dt,
1966		Noise:  noise,
1967		Format: format,
1968	}
1969	d, err := submitdonk(w, r)
1970	if err != nil && err != http.ErrMissingFile {
1971		return
1972	}
1973	if d != nil {
1974		ch.Donks = append(ch.Donks, d)
1975	}
1976
1977	translatechonk(&ch)
1978	savechonk(&ch)
1979	// reload for consistency
1980	ch.Donks = nil
1981	donksforchonks([]*Chonk{&ch})
1982	go sendchonk(user, &ch)
1983
1984	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
1985}
1986
1987var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
1988	honkers := gethonkers(userid)
1989	var combos []string
1990	for _, h := range honkers {
1991		combos = append(combos, h.Combos...)
1992	}
1993	for i, c := range combos {
1994		if c == "-" {
1995			combos[i] = ""
1996		}
1997	}
1998	combos = oneofakind(combos)
1999	sort.Strings(combos)
2000	return combos, true
2001}, Invalidator: &honkerinvalidator})
2002
2003func showcombos(w http.ResponseWriter, r *http.Request) {
2004	userinfo := login.GetUserInfo(r)
2005	var combos []string
2006	combocache.Get(userinfo.UserID, &combos)
2007	templinfo := getInfo(r)
2008	err := readviews.Execute(w, "combos.html", templinfo)
2009	if err != nil {
2010		elog.Print(err)
2011	}
2012}
2013
2014func websubmithonker(w http.ResponseWriter, r *http.Request) {
2015	h := submithonker(w, r)
2016	if h == nil {
2017		return
2018	}
2019	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2020}
2021
2022func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2023	u := login.GetUserInfo(r)
2024	user, _ := butwhatabout(u.Username)
2025	name := strings.TrimSpace(r.FormValue("name"))
2026	url := strings.TrimSpace(r.FormValue("url"))
2027	peep := r.FormValue("peep")
2028	combos := strings.TrimSpace(r.FormValue("combos"))
2029	combos = " " + combos + " "
2030	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2031
2032	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2033	if name != "" && !re_namecheck.MatchString(name) {
2034		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2035		return nil
2036	}
2037
2038	var meta HonkerMeta
2039	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2040	mj, _ := jsonify(&meta)
2041
2042	defer honkerinvalidator.Clear(u.UserID)
2043
2044	// mostly dummy, fill in later...
2045	h := &Honker{
2046		ID: honkerid,
2047	}
2048
2049	if honkerid > 0 {
2050		if r.FormValue("delete") == "delete" {
2051			unfollowyou(user, honkerid, false)
2052			stmtDeleteHonker.Exec(honkerid)
2053			return h
2054		}
2055		if r.FormValue("unsub") == "unsub" {
2056			unfollowyou(user, honkerid, false)
2057		}
2058		if r.FormValue("sub") == "sub" {
2059			followyou(user, honkerid, false)
2060		}
2061		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2062		if err != nil {
2063			elog.Printf("update honker err: %s", err)
2064			return nil
2065		}
2066		return h
2067	}
2068
2069	if url == "" {
2070		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2071		return nil
2072	}
2073
2074	flavor := "presub"
2075	if peep == "peep" {
2076		flavor = "peep"
2077	}
2078
2079	var err error
2080	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2081	if err != nil {
2082		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2083		return nil
2084	}
2085	if flavor == "presub" {
2086		followyou(user, honkerid, false)
2087	}
2088	h.ID = honkerid
2089	return h
2090}
2091
2092func hfcspage(w http.ResponseWriter, r *http.Request) {
2093	userinfo := login.GetUserInfo(r)
2094
2095	filters := getfilters(userinfo.UserID, filtAny)
2096
2097	templinfo := getInfo(r)
2098	templinfo["Filters"] = filters
2099	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2100	err := readviews.Execute(w, "hfcs.html", templinfo)
2101	if err != nil {
2102		elog.Print(err)
2103	}
2104}
2105
2106func savehfcs(w http.ResponseWriter, r *http.Request) {
2107	userinfo := login.GetUserInfo(r)
2108	itsok := r.FormValue("itsok")
2109	if itsok == "iforgiveyou" {
2110		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2111		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2112		if err != nil {
2113			elog.Printf("error deleting filter: %s", err)
2114		}
2115		filtInvalidator.Clear(userinfo.UserID)
2116		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2117		return
2118	}
2119
2120	filt := new(Filter)
2121	filt.Name = strings.TrimSpace(r.FormValue("name"))
2122	filt.Date = time.Now().UTC()
2123	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2124	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2125	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2126	filt.IsReply = r.FormValue("isreply") == "yes"
2127	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2128	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2129	filt.Reject = r.FormValue("doreject") == "yes"
2130	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2131	filt.Hide = r.FormValue("dohide") == "yes"
2132	filt.Collapse = r.FormValue("docollapse") == "yes"
2133	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2134	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2135	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2136		filt.Expiration = time.Now().UTC().Add(dur)
2137	}
2138	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2139
2140	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2141		ilog.Printf("blank filter")
2142		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2143		return
2144	}
2145
2146	j, err := jsonify(filt)
2147	if err == nil {
2148		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2149	}
2150	if err != nil {
2151		elog.Printf("error saving filter: %s", err)
2152	}
2153
2154	filtInvalidator.Clear(userinfo.UserID)
2155	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2156}
2157
2158func accountpage(w http.ResponseWriter, r *http.Request) {
2159	u := login.GetUserInfo(r)
2160	user, _ := butwhatabout(u.Username)
2161	templinfo := getInfo(r)
2162	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2163	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2164	templinfo["User"] = user
2165	about := user.About
2166	if ava := user.Options.Avatar; ava != "" {
2167		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2168	}
2169	if ban := user.Options.Banner; ban != "" {
2170		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2171	}
2172	templinfo["WhatAbout"] = about
2173	err := readviews.Execute(w, "account.html", templinfo)
2174	if err != nil {
2175		elog.Print(err)
2176	}
2177}
2178
2179func dochpass(w http.ResponseWriter, r *http.Request) {
2180	err := login.ChangePassword(w, r)
2181	if err != nil {
2182		elog.Printf("error changing password: %s", err)
2183	}
2184	http.Redirect(w, r, "/account", http.StatusSeeOther)
2185}
2186
2187var oldfingers = cache.New(cache.Options{Filler: func(orig string) ([]byte, bool) {
2188	if strings.HasPrefix(orig, "acct:") {
2189		orig = orig[5:]
2190	}
2191	name := orig
2192	idx := strings.LastIndexByte(name, '/')
2193	if idx != -1 {
2194		name = name[idx+1:]
2195		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2196			ilog.Printf("foreign request rejected")
2197			name = ""
2198		}
2199	} else {
2200		idx = strings.IndexByte(name, '@')
2201		if idx != -1 {
2202			name = name[:idx]
2203			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2204				ilog.Printf("foreign request rejected")
2205				name = ""
2206			}
2207		}
2208	}
2209	user, err := butwhatabout(name)
2210	if err != nil {
2211		return nil, false
2212	}
2213
2214	j := junk.New()
2215	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2216	j["aliases"] = []string{user.URL}
2217	l := junk.New()
2218	l["rel"] = "self"
2219	l["type"] = `application/activity+json`
2220	l["href"] = user.URL
2221	j["links"] = []junk.Junk{l}
2222	return j.ToBytes(), true
2223}})
2224
2225func fingerlicker(w http.ResponseWriter, r *http.Request) {
2226	orig := r.FormValue("resource")
2227
2228	dlog.Printf("finger lick: %s", orig)
2229
2230	var j []byte
2231	ok := oldfingers.Get(orig, &j)
2232	if ok {
2233		w.Header().Set("Content-Type", "application/jrd+json")
2234		w.Write(j)
2235	} else {
2236		http.NotFound(w, r)
2237	}
2238}
2239
2240func somedays() string {
2241	secs := 432000 + notrand.Int63n(432000)
2242	return fmt.Sprintf("%d", secs)
2243}
2244
2245func lookatme(ava string) string {
2246	if strings.Contains(ava, serverName+"/"+userSep) {
2247		idx := strings.LastIndexByte(ava, '/')
2248		if idx < len(ava) {
2249			name := ava[idx+1:]
2250			user, _ := butwhatabout(name)
2251			if user != nil && user.URL == ava {
2252				return user.Options.Avatar
2253			}
2254		}
2255	}
2256	return ""
2257}
2258
2259func avatate(w http.ResponseWriter, r *http.Request) {
2260	if develMode {
2261		loadAvatarColors()
2262	}
2263	var a []byte
2264	n := r.FormValue("a")
2265	if redir := lookatme(n); redir != "" {
2266		http.Redirect(w, r, redir, http.StatusSeeOther)
2267		return
2268	}
2269	a := genAvatar(n)
2270	if !develMode {
2271		w.Header().Set("Cache-Control", "max-age="+somedays())
2272	}
2273
2274	w.Write(a)
2275}
2276
2277func serveviewasset(w http.ResponseWriter, r *http.Request) {
2278	serveasset(w, r, viewDir)
2279}
2280func servedataasset(w http.ResponseWriter, r *http.Request) {
2281	if r.URL.Path == "/favicon.ico" {
2282		r.URL.Path = "/icon.png"
2283	}
2284	serveasset(w, r, dataDir)
2285}
2286
2287func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2288	if !develMode {
2289		w.Header().Set("Cache-Control", "max-age=7776000")
2290	}
2291	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2292}
2293func servehelp(w http.ResponseWriter, r *http.Request) {
2294	name := mux.Vars(r)["name"]
2295	if !develMode {
2296		w.Header().Set("Cache-Control", "max-age=3600")
2297	}
2298	http.ServeFile(w, r, viewDir+"/docs/"+name)
2299}
2300func servehtml(w http.ResponseWriter, r *http.Request) {
2301	u := login.GetUserInfo(r)
2302	templinfo := getInfo(r)
2303	templinfo["AboutMsg"] = aboutMsg
2304	templinfo["LoginMsg"] = loginMsg
2305	templinfo["HonkVersion"] = softwareVersion
2306	if r.URL.Path == "/about" {
2307		templinfo["Sensors"] = getSensors()
2308	}
2309	if u == nil && !develMode {
2310		w.Header().Set("Cache-Control", "max-age=60")
2311	}
2312	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2313	if err != nil {
2314		elog.Print(err)
2315	}
2316}
2317func serveemu(w http.ResponseWriter, r *http.Request) {
2318	emu := mux.Vars(r)["emu"]
2319
2320	w.Header().Set("Cache-Control", "max-age="+somedays())
2321	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2322}
2323func servememe(w http.ResponseWriter, r *http.Request) {
2324	meme := mux.Vars(r)["meme"]
2325
2326	w.Header().Set("Cache-Control", "max-age="+somedays())
2327	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2328}
2329
2330func servefile(w http.ResponseWriter, r *http.Request) {
2331	xid := mux.Vars(r)["xid"]
2332	var media string
2333	var data []byte
2334	row := stmtGetFileData.QueryRow(xid)
2335	err := row.Scan(&media, &data)
2336	if err != nil {
2337		elog.Printf("error loading file: %s", err)
2338		http.NotFound(w, r)
2339		return
2340	}
2341	w.Header().Set("Content-Type", media)
2342	w.Header().Set("X-Content-Type-Options", "nosniff")
2343	w.Header().Set("Cache-Control", "max-age="+somedays())
2344	w.Write(data)
2345}
2346
2347func nomoroboto(w http.ResponseWriter, r *http.Request) {
2348	io.WriteString(w, "User-agent: *\n")
2349	io.WriteString(w, "Disallow: /a\n")
2350	io.WriteString(w, "Disallow: /d/\n")
2351	io.WriteString(w, "Disallow: /meme/\n")
2352	io.WriteString(w, "Disallow: /o\n")
2353	io.WriteString(w, "Disallow: /o/\n")
2354	io.WriteString(w, "Disallow: /help/\n")
2355	for _, u := range allusers() {
2356		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2357	}
2358}
2359
2360type Hydration struct {
2361	Tophid    int64
2362	Srvmsg    template.HTML
2363	Honks     string
2364	MeCount   int64
2365	ChatCount int64
2366}
2367
2368func webhydra(w http.ResponseWriter, r *http.Request) {
2369	u := login.GetUserInfo(r)
2370	userid := u.UserID
2371	templinfo := getInfo(r)
2372	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2373	page := r.FormValue("page")
2374
2375	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2376
2377	var hydra Hydration
2378
2379	var honks []*Honk
2380	switch page {
2381	case "atme":
2382		honks = gethonksforme(userid, wanted)
2383		honks = osmosis(honks, userid, false)
2384		menewnone(userid)
2385		hydra.Srvmsg = "at me!"
2386	case "longago":
2387		honks = gethonksfromlongago(userid, wanted)
2388		honks = osmosis(honks, userid, false)
2389		hydra.Srvmsg = "from long ago"
2390	case "home":
2391		honks = gethonksforuser(userid, wanted)
2392		honks = osmosis(honks, userid, true)
2393		hydra.Srvmsg = serverMsg
2394	case "first":
2395		honks = gethonksforuserfirstclass(userid, wanted)
2396		honks = osmosis(honks, userid, true)
2397		hydra.Srvmsg = "first class only"
2398	case "saved":
2399		honks = getsavedhonks(userid, wanted)
2400		templinfo["PageName"] = "saved"
2401		hydra.Srvmsg = "saved honks"
2402	case "combo":
2403		c := r.FormValue("c")
2404		honks = gethonksbycombo(userid, c, wanted)
2405		honks = osmosis(honks, userid, false)
2406		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2407	case "convoy":
2408		c := r.FormValue("c")
2409		honks = gethonksbyconvoy(userid, c, wanted)
2410		honks = osmosis(honks, userid, false)
2411		honks = threadsort(honks)
2412		reversehonks(honks)
2413		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2414	case "honker":
2415		xid := r.FormValue("xid")
2416		honks = gethonksbyxonker(userid, xid, wanted)
2417		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2418			<input type="hidden" name="CSRF" value="%s">
2419			<input type="hidden" name="url" value="%s">
2420			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2421			</form>`, login.GetCSRF("submithonker", r), xid)
2422		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2423		hydra.Srvmsg = msg
2424	case "user":
2425		uname := r.FormValue("uname")
2426		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2427		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2428	default:
2429		http.NotFound(w, r)
2430	}
2431
2432	if len(honks) > 0 {
2433		hydra.Tophid = honks[0].ID
2434	} else {
2435		hydra.Tophid = wanted
2436	}
2437	reverbolate(userid, honks)
2438
2439	user, _ := butwhatabout(u.Username)
2440
2441	var buf strings.Builder
2442	templinfo["Honks"] = honks
2443	templinfo["MapLink"] = getmaplink(u)
2444	templinfo["User"], _ = butwhatabout(u.Username)
2445	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2446	if err != nil {
2447		elog.Printf("frag error: %s", err)
2448		return
2449	}
2450	hydra.Honks = buf.String()
2451	hydra.MeCount = user.Options.MeCount
2452	hydra.ChatCount = user.Options.ChatCount
2453	w.Header().Set("Content-Type", "application/json")
2454	j, _ := jsonify(&hydra)
2455	io.WriteString(w, j)
2456}
2457
2458var honkline = make(chan bool)
2459
2460func honkhonkline() {
2461	for {
2462		select {
2463		case honkline <- true:
2464		default:
2465			return
2466		}
2467	}
2468}
2469
2470func apihandler(w http.ResponseWriter, r *http.Request) {
2471	u := login.GetUserInfo(r)
2472	userid := u.UserID
2473	action := r.FormValue("action")
2474	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2475	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2476	switch action {
2477	case "honk":
2478		h := submithonk(w, r)
2479		if h == nil {
2480			return
2481		}
2482
2483		fmt.Fprintf(w, "%s", h.XID)
2484	case "donk":
2485		d, err := submitdonk(w, r)
2486		if err != nil {
2487			http.Error(w, err.Error(), http.StatusBadRequest)
2488			return
2489		}
2490		if d == nil {
2491			http.Error(w, "missing donk", http.StatusBadRequest)
2492			return
2493		}
2494		w.Write([]byte(d.XID))
2495	case "zonkit":
2496		zonkit(w, r)
2497	case "gethonks":
2498		var honks []*Honk
2499		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2500		page := r.FormValue("page")
2501		var waitchan <-chan time.Time
2502	requery:
2503		switch page {
2504		case "atme":
2505			honks = gethonksforme(userid, wanted)
2506			honks = osmosis(honks, userid, false)
2507			menewnone(userid)
2508		case "longago":
2509			honks = gethonksfromlongago(userid, wanted)
2510			honks = osmosis(honks, userid, false)
2511		case "home":
2512			honks = gethonksforuser(userid, wanted)
2513			honks = osmosis(honks, userid, true)
2514		case "myhonks":
2515			honks = gethonksbyuser(u.Username, true, wanted)
2516			honks = osmosis(honks, userid, true)
2517		default:
2518			http.Error(w, "unknown page", http.StatusNotFound)
2519			return
2520		}
2521		if len(honks) == 0 && wait > 0 {
2522			if waitchan == nil {
2523				waitchan = time.After(time.Duration(wait) * time.Second)
2524			}
2525			select {
2526			case <-honkline:
2527				goto requery
2528			case <-waitchan:
2529			}
2530		}
2531		reverbolate(userid, honks)
2532		j := junk.New()
2533		j["honks"] = honks
2534		j.Write(w)
2535	case "sendactivity":
2536		user, _ := butwhatabout(u.Username)
2537		public := r.FormValue("public") == "1"
2538		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2539		msg := []byte(r.FormValue("msg"))
2540		for rcpt := range rcpts {
2541			go deliverate(userid, rcpt, msg)
2542		}
2543	case "gethonkers":
2544		j := junk.New()
2545		j["honkers"] = gethonkers(u.UserID)
2546		j.Write(w)
2547	case "savehonker":
2548		h := submithonker(w, r)
2549		if h == nil {
2550			return
2551		}
2552		fmt.Fprintf(w, "%d", h.ID)
2553	default:
2554		http.Error(w, "unknown action", http.StatusNotFound)
2555		return
2556	}
2557}
2558
2559func fiveoh(w http.ResponseWriter, r *http.Request) {
2560	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2561	if err != nil {
2562		elog.Printf("error opening violations! %s", err)
2563		return
2564	}
2565	defer fd.Close()
2566	io.Copy(fd, r.Body)
2567}
2568
2569var endoftheworld = make(chan bool)
2570var readyalready = make(chan bool)
2571var workinprogress = 0
2572
2573func enditall() {
2574	sig := make(chan os.Signal)
2575	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
2576	<-sig
2577	ilog.Printf("stopping...")
2578	for i := 0; i < workinprogress; i++ {
2579		endoftheworld <- true
2580	}
2581	ilog.Printf("waiting...")
2582	for i := 0; i < workinprogress; i++ {
2583		<-readyalready
2584	}
2585	ilog.Printf("apocalypse")
2586	os.Exit(0)
2587}
2588
2589var preservehooks []func()
2590
2591func bgmonitor() {
2592	for {
2593		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2594		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2595		if err != nil {
2596			elog.Printf("error deleting old xonkers: %s", err)
2597		}
2598		zaggies.Flush()
2599		time.Sleep(50 * time.Minute)
2600	}
2601}
2602
2603func addcspheaders(next http.Handler) http.Handler {
2604	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2605		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")
2606		next.ServeHTTP(w, r)
2607	})
2608}
2609
2610func emuinit() {
2611	var emunames []string
2612	dir, err := os.Open(dataDir + "/emus")
2613	if err == nil {
2614		emunames, _ = dir.Readdirnames(0)
2615		dir.Close()
2616	}
2617	for _, e := range emunames {
2618		if len(e) <= 4 {
2619			continue
2620		}
2621		ext := e[len(e)-4:]
2622		emu := Emu{
2623			ID:   fmt.Sprintf("/emu/%s", e),
2624			Name: e[:len(e)-4],
2625			Type: "image/" + ext[1:],
2626		}
2627		allemus = append(allemus, emu)
2628	}
2629	sort.Slice(allemus, func(i, j int) bool {
2630		return allemus[i].Name < allemus[j].Name
2631	})
2632}
2633
2634func serve() {
2635	db := opendatabase()
2636	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2637
2638	listener, err := openListener()
2639	if err != nil {
2640		elog.Fatal(err)
2641	}
2642	runBackendServer()
2643	go enditall()
2644	go redeliverator()
2645	go tracker()
2646	go bgmonitor()
2647	loadLingo()
2648	emuinit()
2649
2650	readviews = templates.Load(develMode,
2651		viewDir+"/views/honkpage.html",
2652		viewDir+"/views/honkfrags.html",
2653		viewDir+"/views/honkers.html",
2654		viewDir+"/views/chatter.html",
2655		viewDir+"/views/hfcs.html",
2656		viewDir+"/views/combos.html",
2657		viewDir+"/views/honkform.html",
2658		viewDir+"/views/honk.html",
2659		viewDir+"/views/account.html",
2660		viewDir+"/views/about.html",
2661		viewDir+"/views/funzone.html",
2662		viewDir+"/views/login.html",
2663		viewDir+"/views/xzone.html",
2664		viewDir+"/views/msg.html",
2665		viewDir+"/views/header.html",
2666		viewDir+"/views/onts.html",
2667		viewDir+"/views/emus.html",
2668		viewDir+"/views/honkpage.js",
2669	)
2670	if !develMode {
2671		assets := []string{
2672			viewDir + "/views/style.css",
2673			dataDir + "/views/local.css",
2674			viewDir + "/views/honkpage.js",
2675			dataDir + "/views/local.js",
2676		}
2677		for _, s := range assets {
2678			savedassetparams[s] = getassetparam(s)
2679		}
2680		loadAvatarColors()
2681	}
2682
2683	for _, h := range preservehooks {
2684		h()
2685	}
2686
2687	mux := mux.NewRouter()
2688	mux.Use(addcspheaders)
2689	mux.Use(login.Checker)
2690
2691	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2692
2693	posters := mux.Methods("POST").Subrouter()
2694	getters := mux.Methods("GET").Subrouter()
2695
2696	getters.HandleFunc("/", homepage)
2697	getters.HandleFunc("/home", homepage)
2698	getters.HandleFunc("/front", homepage)
2699	getters.HandleFunc("/events", homepage)
2700	getters.HandleFunc("/robots.txt", nomoroboto)
2701	getters.HandleFunc("/rss", showrss)
2702	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2703	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2704	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2705	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2706	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2707	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2708	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2709	getters.HandleFunc("/a", avatate)
2710	getters.HandleFunc("/o", thelistingoftheontologies)
2711	getters.HandleFunc("/o/{name:.+}", showontology)
2712	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2713	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2714	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2715	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2716
2717	getters.HandleFunc("/flag/{code:.+}", showflag)
2718
2719	getters.HandleFunc("/server", serveractor)
2720	posters.HandleFunc("/server/inbox", serverinbox)
2721	posters.HandleFunc("/inbox", serverinbox)
2722
2723	posters.HandleFunc("/csp-violation", fiveoh)
2724
2725	getters.HandleFunc("/style.css", serveviewasset)
2726	getters.HandleFunc("/honkpage.js", serveviewasset)
2727	getters.HandleFunc("/misc.js", serveviewasset)
2728	getters.HandleFunc("/local.css", servedataasset)
2729	getters.HandleFunc("/local.js", servedataasset)
2730	getters.HandleFunc("/icon.png", servedataasset)
2731	getters.HandleFunc("/favicon.ico", servedataasset)
2732
2733	getters.HandleFunc("/about", servehtml)
2734	getters.HandleFunc("/login", servehtml)
2735	posters.HandleFunc("/dologin", login.LoginFunc)
2736	getters.HandleFunc("/logout", login.LogoutFunc)
2737	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2738
2739	loggedin := mux.NewRoute().Subrouter()
2740	loggedin.Use(login.Required)
2741	loggedin.HandleFunc("/first", homepage)
2742	loggedin.HandleFunc("/chatter", showchatter)
2743	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2744	loggedin.HandleFunc("/saved", homepage)
2745	loggedin.HandleFunc("/account", accountpage)
2746	loggedin.HandleFunc("/funzone", showfunzone)
2747	loggedin.HandleFunc("/chpass", dochpass)
2748	loggedin.HandleFunc("/atme", homepage)
2749	loggedin.HandleFunc("/longago", homepage)
2750	loggedin.HandleFunc("/hfcs", hfcspage)
2751	loggedin.HandleFunc("/xzone", xzone)
2752	loggedin.HandleFunc("/newhonk", newhonkpage)
2753	loggedin.HandleFunc("/edit", edithonkpage)
2754	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2755	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2756	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2757	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2758	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2759	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2760	loggedin.HandleFunc("/honkers", showhonkers)
2761	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2762	loggedin.HandleFunc("/h", showhonker)
2763	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2764	loggedin.HandleFunc("/c", showcombos)
2765	loggedin.HandleFunc("/t", showconvoy)
2766	loggedin.HandleFunc("/q", showsearch)
2767	loggedin.HandleFunc("/hydra", webhydra)
2768	loggedin.HandleFunc("/emus", showemus)
2769	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2770
2771	err = http.Serve(listener, mux)
2772	if err != nil {
2773		elog.Fatal(err)
2774	}
2775}