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	"crypto/sha512"
  21	"database/sql"
  22	"fmt"
  23	"html/template"
  24	"io"
  25	notrand "math/rand"
  26	"mime/multipart"
  27	"net/http"
  28	"net/http/fcgi"
  29	"net/url"
  30	"os"
  31	"os/signal"
  32	"regexp"
  33	"sort"
  34	"strconv"
  35	"strings"
  36	"syscall"
  37	"time"
  38	"unicode/utf8"
  39
  40	"github.com/gorilla/mux"
  41	"humungus.tedunangst.com/r/webs/cache"
  42	"humungus.tedunangst.com/r/webs/gencache"
  43	"humungus.tedunangst.com/r/webs/httpsig"
  44	"humungus.tedunangst.com/r/webs/junk"
  45	"humungus.tedunangst.com/r/webs/login"
  46	"humungus.tedunangst.com/r/webs/rss"
  47	"humungus.tedunangst.com/r/webs/templates"
  48)
  49
  50var readviews *templates.Template
  51
  52var userSep = "u"
  53var honkSep = "h"
  54
  55var develMode = false
  56
  57var allemus []Emu
  58
  59func getuserstyle(u *login.UserInfo) template.HTMLAttr {
  60	if u == nil {
  61		return ""
  62	}
  63	user, _ := butwhatabout(u.Username)
  64	class := template.HTMLAttr("")
  65	if user.Options.SkinnyCSS {
  66		class += `class="skinny"`
  67	}
  68	return class
  69}
  70
  71func getmaplink(u *login.UserInfo) string {
  72	if u == nil {
  73		return "osm"
  74	}
  75	user, _ := butwhatabout(u.Username)
  76	ml := user.Options.MapLink
  77	if ml == "" {
  78		ml = "osm"
  79	}
  80	return ml
  81}
  82
  83func getInfo(r *http.Request) map[string]interface{} {
  84	templinfo := make(map[string]interface{})
  85	templinfo["StyleParam"] = getassetparam(viewDir + "/views/style.css")
  86	templinfo["LocalStyleParam"] = getassetparam(dataDir + "/views/local.css")
  87	templinfo["JSParam"] = getassetparam(viewDir + "/views/honkpage.js")
  88	templinfo["MiscJSParam"] = getassetparam(viewDir + "/views/misc.js")
  89	templinfo["LocalJSParam"] = getassetparam(dataDir + "/views/local.js")
  90	templinfo["ServerName"] = serverName
  91	templinfo["IconName"] = iconName
  92	templinfo["UserSep"] = userSep
  93	if r == nil {
  94		return templinfo
  95	}
  96	if u := login.GetUserInfo(r); u != nil {
  97		templinfo["UserInfo"], _ = butwhatabout(u.Username)
  98		templinfo["UserStyle"] = getuserstyle(u)
  99		var combos []string
 100		combocache.Get(u.UserID, &combos)
 101		templinfo["Combos"] = combos
 102	}
 103	return templinfo
 104}
 105
 106var oldnews = gencache.New(gencache.Options[string, []byte]{
 107	Fill: func(url string) ([]byte, bool) {
 108		templinfo := getInfo(nil)
 109		var honks []*Honk
 110		var userid int64 = -1
 111
 112		templinfo["ServerMessage"] = serverMsg
 113		switch url {
 114		case "/events":
 115			honks = geteventhonks(userid)
 116			templinfo["ServerMessage"] = "some recent and upcoming events"
 117		default:
 118			templinfo["ShowRSS"] = true
 119			honks = getpublichonks()
 120		}
 121		reverbolate(userid, honks)
 122		templinfo["Honks"] = honks
 123		templinfo["MapLink"] = getmaplink(nil)
 124		var buf bytes.Buffer
 125		err := readviews.Execute(&buf, "honkpage.html", templinfo)
 126		if err != nil {
 127			elog.Print(err)
 128		}
 129		return buf.Bytes(), true
 130
 131	},
 132	Duration: 1 * time.Minute,
 133})
 134
 135func lonelypage(w http.ResponseWriter, r *http.Request) {
 136	page, _ := oldnews.Get(r.URL.Path)
 137	if !develMode {
 138		w.Header().Set("Cache-Control", "max-age=60")
 139	}
 140	w.Write(page)
 141}
 142
 143func homepage(w http.ResponseWriter, r *http.Request) {
 144	u := login.GetUserInfo(r)
 145	if u == nil {
 146		lonelypage(w, r)
 147		return
 148	}
 149	templinfo := getInfo(r)
 150	var honks []*Honk
 151	var userid int64 = -1
 152
 153	templinfo["ServerMessage"] = serverMsg
 154	if u == nil || r.URL.Path == "/front" {
 155		switch r.URL.Path {
 156		case "/events":
 157			honks = geteventhonks(userid)
 158			templinfo["ServerMessage"] = "some recent and upcoming events"
 159		default:
 160			templinfo["ShowRSS"] = true
 161			honks = getpublichonks()
 162		}
 163	} else {
 164		userid = u.UserID
 165		switch r.URL.Path {
 166		case "/atme":
 167			templinfo["ServerMessage"] = "at me!"
 168			templinfo["PageName"] = "atme"
 169			honks = gethonksforme(userid, 0)
 170			honks = osmosis(honks, userid, false)
 171			menewnone(userid)
 172			templinfo["UserInfo"], _ = butwhatabout(u.Username)
 173		case "/longago":
 174			templinfo["ServerMessage"] = "long ago and far away!"
 175			templinfo["PageName"] = "longago"
 176			honks = gethonksfromlongago(userid, 0)
 177			honks = osmosis(honks, userid, false)
 178		case "/events":
 179			templinfo["ServerMessage"] = "some recent and upcoming events"
 180			templinfo["PageName"] = "events"
 181			honks = geteventhonks(userid)
 182			honks = osmosis(honks, userid, true)
 183		case "/first":
 184			templinfo["PageName"] = "first"
 185			honks = gethonksforuserfirstclass(userid, 0)
 186			honks = osmosis(honks, userid, true)
 187		case "/saved":
 188			templinfo["ServerMessage"] = "saved honks"
 189			templinfo["PageName"] = "saved"
 190			honks = getsavedhonks(userid, 0)
 191		default:
 192			templinfo["PageName"] = "home"
 193			honks = gethonksforuser(userid, 0)
 194			honks = osmosis(honks, userid, true)
 195		}
 196		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 197	}
 198
 199	honkpage(w, u, honks, templinfo)
 200}
 201
 202func showemus(w http.ResponseWriter, r *http.Request) {
 203	templinfo := getInfo(r)
 204	templinfo["Emus"] = allemus
 205	err := readviews.Execute(w, "emus.html", templinfo)
 206	if err != nil {
 207		elog.Print(err)
 208	}
 209}
 210
 211func showfunzone(w http.ResponseWriter, r *http.Request) {
 212	var emunames, memenames []string
 213	emuext := make(map[string]string)
 214	dir, err := os.Open(dataDir + "/emus")
 215	if err == nil {
 216		emunames, _ = dir.Readdirnames(0)
 217		dir.Close()
 218	}
 219	for i, e := range emunames {
 220		if len(e) > 4 {
 221			emunames[i] = e[:len(e)-4]
 222			emuext[emunames[i]] = e[len(e)-4:]
 223		}
 224	}
 225	dir, err = os.Open(dataDir + "/memes")
 226	if err == nil {
 227		memenames, _ = dir.Readdirnames(0)
 228		dir.Close()
 229	}
 230	sort.Strings(emunames)
 231	sort.Strings(memenames)
 232	templinfo := getInfo(r)
 233	templinfo["Emus"] = emunames
 234	templinfo["Emuext"] = emuext
 235	templinfo["Memes"] = memenames
 236	err = readviews.Execute(w, "funzone.html", templinfo)
 237	if err != nil {
 238		elog.Print(err)
 239	}
 240}
 241
 242func showrss(w http.ResponseWriter, r *http.Request) {
 243	name := mux.Vars(r)["name"]
 244
 245	var honks []*Honk
 246	if name != "" {
 247		honks = gethonksbyuser(name, false, 0)
 248	} else {
 249		honks = getpublichonks()
 250	}
 251	reverbolate(-1, honks)
 252
 253	home := fmt.Sprintf("https://%s/", serverName)
 254	base := home
 255	if name != "" {
 256		home += "u/" + name
 257		name += " "
 258	}
 259	feed := rss.Feed{
 260		Title:       name + "honk",
 261		Link:        home,
 262		Description: name + "honk rss",
 263		Image: &rss.Image{
 264			URL:   base + "icon.png",
 265			Title: name + "honk rss",
 266			Link:  home,
 267		},
 268	}
 269	var modtime time.Time
 270	for _, honk := range honks {
 271		if !firstclass(honk) {
 272			continue
 273		}
 274		desc := string(honk.HTML)
 275		if t := honk.Time; t != nil {
 276			desc += fmt.Sprintf(`<p>Time: %s`, t.StartTime.Local().Format("03:04PM EDT Mon Jan 02"))
 277			if t.Duration != 0 {
 278				desc += fmt.Sprintf(`<br>Duration: %s`, t.Duration)
 279			}
 280		}
 281		if p := honk.Place; p != nil {
 282			desc += string(templates.Sprintf(`<p>Location: <a href="%s">%s</a> %f %f`,
 283				p.Url, p.Name, p.Latitude, p.Longitude))
 284		}
 285		for _, d := range honk.Donks {
 286			desc += string(templates.Sprintf(`<p><a href="%s">Attachment: %s</a>`,
 287				d.URL, d.Desc))
 288			if strings.HasPrefix(d.Media, "image") {
 289				desc += string(templates.Sprintf(`<img src="%s">`, d.URL))
 290			}
 291		}
 292
 293		feed.Items = append(feed.Items, &rss.Item{
 294			Title:       fmt.Sprintf("%s %s %s", honk.Username, honk.What, honk.XID),
 295			Description: rss.CData{Data: desc},
 296			Link:        honk.URL,
 297			PubDate:     honk.Date.Format(time.RFC1123),
 298			Guid:        &rss.Guid{IsPermaLink: true, Value: honk.URL},
 299		})
 300		if honk.Date.After(modtime) {
 301			modtime = honk.Date
 302		}
 303	}
 304	if !develMode {
 305		w.Header().Set("Cache-Control", "max-age=300")
 306		w.Header().Set("Last-Modified", modtime.Format(http.TimeFormat))
 307	}
 308
 309	err := feed.Write(w)
 310	if err != nil {
 311		elog.Printf("error writing rss: %s", err)
 312	}
 313}
 314
 315func crappola(j junk.Junk) bool {
 316	t, _ := j.GetString("type")
 317	a, _ := j.GetString("actor")
 318	o, _ := j.GetString("object")
 319	if t == "Delete" && a == o {
 320		dlog.Printf("crappola from %s", a)
 321		return true
 322	}
 323	return false
 324}
 325
 326func ping(user *WhatAbout, who string) {
 327	if targ := fullname(who, user.ID); targ != "" {
 328		who = targ
 329	}
 330	if !strings.HasPrefix(who, "https:") {
 331		who = gofish(who)
 332	}
 333	if who == "" {
 334		ilog.Printf("nobody to ping!")
 335		return
 336	}
 337	var box *Box
 338	ok := boxofboxes.Get(who, &box)
 339	if !ok {
 340		ilog.Printf("no inbox to ping %s", who)
 341		return
 342	}
 343	ilog.Printf("sending ping to %s", box.In)
 344	j := junk.New()
 345	j["@context"] = itiswhatitis
 346	j["type"] = "Ping"
 347	j["id"] = user.URL + "/ping/" + xfiltrate()
 348	j["actor"] = user.URL
 349	j["to"] = who
 350	ki := ziggy(user.ID)
 351	if ki == nil {
 352		return
 353	}
 354	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 355	if err != nil {
 356		elog.Printf("can't send ping: %s", err)
 357		return
 358	}
 359	ilog.Printf("sent ping to %s: %s", who, j["id"])
 360}
 361
 362func pong(user *WhatAbout, who string, obj string) {
 363	var box *Box
 364	ok := boxofboxes.Get(who, &box)
 365	if !ok {
 366		ilog.Printf("no inbox to pong %s", who)
 367		return
 368	}
 369	j := junk.New()
 370	j["@context"] = itiswhatitis
 371	j["type"] = "Pong"
 372	j["id"] = user.URL + "/pong/" + xfiltrate()
 373	j["actor"] = user.URL
 374	j["to"] = who
 375	j["object"] = obj
 376	ki := ziggy(user.ID)
 377	if ki == nil {
 378		return
 379	}
 380	err := PostJunk(ki.keyname, ki.seckey, box.In, j)
 381	if err != nil {
 382		elog.Printf("can't send pong: %s", err)
 383		return
 384	}
 385}
 386
 387func inbox(w http.ResponseWriter, r *http.Request) {
 388	name := mux.Vars(r)["name"]
 389	user, err := butwhatabout(name)
 390	if err != nil {
 391		http.NotFound(w, r)
 392		return
 393	}
 394	if stealthmode(user.ID, r) {
 395		http.NotFound(w, r)
 396		return
 397	}
 398	var buf bytes.Buffer
 399	limiter := io.LimitReader(r.Body, 1*1024*1024)
 400	io.Copy(&buf, limiter)
 401	payload := buf.Bytes()
 402	j, err := junk.FromBytes(payload)
 403	if err != nil {
 404		ilog.Printf("bad payload: %s", err)
 405		ilog.Writer().Write(payload)
 406		ilog.Writer().Write([]byte{'\n'})
 407		return
 408	}
 409
 410	if crappola(j) {
 411		return
 412	}
 413	what, _ := j.GetString("type")
 414	obj, _ := j.GetString("object")
 415	if what == "Like" || what == "Dislike" || (what == "EmojiReact" && originate(obj) != serverName) {
 416		return
 417	}
 418	who, _ := j.GetString("actor")
 419	if rejectactor(user.ID, who) {
 420		return
 421	}
 422
 423	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 424	if err != nil && keyname != "" {
 425		savingthrow(keyname)
 426		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 427	}
 428	if err != nil {
 429		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 430		if keyname != "" {
 431			ilog.Printf("bad signature from %s", keyname)
 432		}
 433		http.Error(w, "what did you call me?", http.StatusTeapot)
 434		return
 435	}
 436	origin := keymatch(keyname, who)
 437	if origin == "" {
 438		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 439		return
 440	}
 441
 442	switch what {
 443	case "Ping":
 444		id, _ := j.GetString("id")
 445		ilog.Printf("ping from %s: %s", who, id)
 446		pong(user, who, id)
 447	case "Pong":
 448		ilog.Printf("pong from %s: %s", who, obj)
 449	case "Follow":
 450		if obj != user.URL {
 451			ilog.Printf("can't follow %s", obj)
 452			return
 453		}
 454		followme(user, who, who, j)
 455	case "Accept":
 456		followyou2(user, j)
 457	case "Reject":
 458		nofollowyou2(user, j)
 459	case "Update":
 460		obj, ok := j.GetMap("object")
 461		if ok {
 462			what, _ := obj.GetString("type")
 463			switch what {
 464			case "Service":
 465				fallthrough
 466			case "Person":
 467				return
 468			case "Question":
 469				return
 470			}
 471		}
 472		go xonksaver(user, j, origin)
 473	case "Undo":
 474		obj, ok := j.GetMap("object")
 475		if !ok {
 476			folxid, ok := j.GetString("object")
 477			if ok && originate(folxid) == origin {
 478				unfollowme(user, "", "", j)
 479			}
 480			return
 481		}
 482		what, _ := obj.GetString("type")
 483		switch what {
 484		case "Follow":
 485			unfollowme(user, who, who, j)
 486		case "Announce":
 487			xid, _ := obj.GetString("object")
 488			dlog.Printf("undo announce: %s", xid)
 489		case "Like":
 490		default:
 491			ilog.Printf("unknown undo: %s", what)
 492		}
 493	case "EmojiReact":
 494		obj, ok := j.GetString("object")
 495		if ok {
 496			content, _ := j.GetString("content")
 497			addreaction(user, obj, who, content)
 498		}
 499	default:
 500		go saveandcheck(user, j, origin)
 501	}
 502}
 503
 504func saveandcheck(user *WhatAbout, j junk.Junk, origin string) {
 505	xonk := xonksaver(user, j, origin)
 506	if xonk == nil {
 507		return
 508	}
 509	if sname := shortname(user.ID, xonk.Honker); sname == "" {
 510		dlog.Printf("received unexpected activity from %s", xonk.Honker)
 511		if xonk.Whofore == 0 {
 512			dlog.Printf("it's not even for me!")
 513		}
 514	}
 515}
 516
 517func serverinbox(w http.ResponseWriter, r *http.Request) {
 518	user := getserveruser()
 519	if stealthmode(user.ID, r) {
 520		http.NotFound(w, r)
 521		return
 522	}
 523	var buf bytes.Buffer
 524	io.Copy(&buf, r.Body)
 525	payload := buf.Bytes()
 526	j, err := junk.FromBytes(payload)
 527	if err != nil {
 528		ilog.Printf("bad payload: %s", err)
 529		ilog.Writer().Write(payload)
 530		ilog.Writer().Write([]byte{'\n'})
 531		return
 532	}
 533	if crappola(j) {
 534		return
 535	}
 536	keyname, err := httpsig.VerifyRequest(r, payload, zaggy)
 537	if err != nil && keyname != "" {
 538		savingthrow(keyname)
 539		keyname, err = httpsig.VerifyRequest(r, payload, zaggy)
 540	}
 541	if err != nil {
 542		ilog.Printf("inbox message failed signature for %s from %s: %s", keyname, r.Header.Get("X-Forwarded-For"), err)
 543		if keyname != "" {
 544			ilog.Printf("bad signature from %s", keyname)
 545		}
 546		http.Error(w, "what did you call me?", http.StatusTeapot)
 547		return
 548	}
 549	who, _ := j.GetString("actor")
 550	origin := keymatch(keyname, who)
 551	if origin == "" {
 552		ilog.Printf("keyname actor mismatch: %s <> %s", keyname, who)
 553		return
 554	}
 555	if rejectactor(user.ID, who) {
 556		return
 557	}
 558	re_ont := regexp.MustCompile("https://" + serverName + "/o/([\\pL[:digit:]]+)")
 559	what, _ := j.GetString("type")
 560	dlog.Printf("server got a %s", what)
 561	switch what {
 562	case "Follow":
 563		obj, _ := j.GetString("object")
 564		if obj == user.URL {
 565			ilog.Printf("can't follow the server!")
 566			return
 567		}
 568		m := re_ont.FindStringSubmatch(obj)
 569		if len(m) != 2 {
 570			ilog.Printf("not sure how to handle this")
 571			return
 572		}
 573		ont := "#" + m[1]
 574
 575		followme(user, who, ont, j)
 576	case "Undo":
 577		obj, ok := j.GetMap("object")
 578		if !ok {
 579			ilog.Printf("unknown undo no object")
 580			return
 581		}
 582		what, _ := obj.GetString("type")
 583		if what != "Follow" {
 584			ilog.Printf("unknown undo: %s", what)
 585			return
 586		}
 587		targ, _ := obj.GetString("object")
 588		m := re_ont.FindStringSubmatch(targ)
 589		if len(m) != 2 {
 590			ilog.Printf("not sure how to handle this")
 591			return
 592		}
 593		ont := "#" + m[1]
 594		unfollowme(user, who, ont, j)
 595	default:
 596		ilog.Printf("unhandled server activity: %s", what)
 597		dumpactivity(j)
 598	}
 599}
 600
 601func serveractor(w http.ResponseWriter, r *http.Request) {
 602	user := getserveruser()
 603	if stealthmode(user.ID, r) {
 604		http.NotFound(w, r)
 605		return
 606	}
 607	j := junkuser(user)
 608	j.Write(w)
 609}
 610
 611func ximport(w http.ResponseWriter, r *http.Request) {
 612	u := login.GetUserInfo(r)
 613	xid := strings.TrimSpace(r.FormValue("q"))
 614	xonk := getxonk(u.UserID, xid)
 615	if xonk == nil {
 616		p, _ := investigate(xid)
 617		if p != nil {
 618			xid = p.XID
 619		}
 620		j, err := GetJunk(u.UserID, xid)
 621		if err != nil {
 622			http.Error(w, "error getting external object", http.StatusInternalServerError)
 623			ilog.Printf("error getting external object: %s", err)
 624			return
 625		}
 626		allinjest(originate(xid), j)
 627		dlog.Printf("importing %s", xid)
 628		user, _ := butwhatabout(u.Username)
 629
 630		info, _ := somethingabout(j)
 631		if info == nil {
 632			xonk = xonksaver(user, j, originate(xid))
 633		} else if info.What == SomeActor {
 634			outbox, _ := j.GetString("outbox")
 635			gimmexonks(user, outbox)
 636			http.Redirect(w, r, "/h?xid="+url.QueryEscape(xid), http.StatusSeeOther)
 637			return
 638		} else if info.What == SomeCollection {
 639			gimmexonks(user, xid)
 640			http.Redirect(w, r, "/xzone", http.StatusSeeOther)
 641			return
 642		}
 643	}
 644	convoy := ""
 645	if xonk != nil {
 646		convoy = xonk.Convoy
 647	}
 648	http.Redirect(w, r, "/t?c="+url.QueryEscape(convoy), http.StatusSeeOther)
 649}
 650
 651func xzone(w http.ResponseWriter, r *http.Request) {
 652	u := login.GetUserInfo(r)
 653	rows, err := stmtRecentHonkers.Query(u.UserID, u.UserID)
 654	if err != nil {
 655		elog.Printf("query err: %s", err)
 656		return
 657	}
 658	defer rows.Close()
 659	var honkers []Honker
 660	for rows.Next() {
 661		var xid string
 662		rows.Scan(&xid)
 663		honkers = append(honkers, Honker{XID: xid})
 664	}
 665	rows.Close()
 666	for i := range honkers {
 667		_, honkers[i].Handle = handles(honkers[i].XID)
 668	}
 669	templinfo := getInfo(r)
 670	templinfo["XCSRF"] = login.GetCSRF("ximport", r)
 671	templinfo["Honkers"] = honkers
 672	err = readviews.Execute(w, "xzone.html", templinfo)
 673	if err != nil {
 674		elog.Print(err)
 675	}
 676}
 677
 678var oldoutbox = cache.New(cache.Options{Filler: func(name string) ([]byte, bool) {
 679	user, err := butwhatabout(name)
 680	if err != nil {
 681		return nil, false
 682	}
 683	honks := gethonksbyuser(name, false, 0)
 684	if len(honks) > 20 {
 685		honks = honks[0:20]
 686	}
 687
 688	var jonks []junk.Junk
 689	for _, h := range honks {
 690		j, _ := jonkjonk(user, h)
 691		jonks = append(jonks, j)
 692	}
 693
 694	j := junk.New()
 695	j["@context"] = itiswhatitis
 696	j["id"] = user.URL + "/outbox"
 697	j["attributedTo"] = user.URL
 698	j["type"] = "OrderedCollection"
 699	j["totalItems"] = len(jonks)
 700	j["orderedItems"] = jonks
 701
 702	return j.ToBytes(), true
 703}, Duration: 1 * time.Minute})
 704
 705func outbox(w http.ResponseWriter, r *http.Request) {
 706	name := mux.Vars(r)["name"]
 707	user, err := butwhatabout(name)
 708	if err != nil {
 709		http.NotFound(w, r)
 710		return
 711	}
 712	if stealthmode(user.ID, r) {
 713		http.NotFound(w, r)
 714		return
 715	}
 716	var j []byte
 717	ok := oldoutbox.Get(name, &j)
 718	if ok {
 719		w.Header().Set("Content-Type", theonetruename)
 720		w.Write(j)
 721	} else {
 722		http.NotFound(w, r)
 723	}
 724}
 725
 726var oldempties = cache.New(cache.Options{Filler: func(url string) ([]byte, bool) {
 727	colname := "/followers"
 728	if strings.HasSuffix(url, "/following") {
 729		colname = "/following"
 730	}
 731	user := fmt.Sprintf("https://%s%s", serverName, url[:len(url)-10])
 732	j := junk.New()
 733	j["@context"] = itiswhatitis
 734	j["id"] = user + colname
 735	j["attributedTo"] = user
 736	j["type"] = "OrderedCollection"
 737	j["totalItems"] = 0
 738	j["orderedItems"] = []junk.Junk{}
 739
 740	return j.ToBytes(), true
 741}})
 742
 743func emptiness(w http.ResponseWriter, r *http.Request) {
 744	name := mux.Vars(r)["name"]
 745	user, err := butwhatabout(name)
 746	if err != nil {
 747		http.NotFound(w, r)
 748		return
 749	}
 750	if stealthmode(user.ID, r) {
 751		http.NotFound(w, r)
 752		return
 753	}
 754	var j []byte
 755	ok := oldempties.Get(r.URL.Path, &j)
 756	if ok {
 757		w.Header().Set("Content-Type", theonetruename)
 758		w.Write(j)
 759	} else {
 760		http.NotFound(w, r)
 761	}
 762}
 763
 764func showuser(w http.ResponseWriter, r *http.Request) {
 765	name := mux.Vars(r)["name"]
 766	user, err := butwhatabout(name)
 767	if err != nil {
 768		ilog.Printf("user not found %s: %s", name, err)
 769		http.NotFound(w, r)
 770		return
 771	}
 772	if stealthmode(user.ID, r) {
 773		http.NotFound(w, r)
 774		return
 775	}
 776	if friendorfoe(r.Header.Get("Accept")) {
 777		j, ok := asjonker(name)
 778		if ok {
 779			w.Header().Set("Content-Type", theonetruename)
 780			w.Write(j)
 781		} else {
 782			http.NotFound(w, r)
 783		}
 784		return
 785	}
 786	u := login.GetUserInfo(r)
 787	if u != nil && u.Username != name {
 788		u = nil
 789	}
 790	honks := gethonksbyuser(name, u != nil, 0)
 791	templinfo := getInfo(r)
 792	templinfo["PageName"] = "user"
 793	templinfo["PageArg"] = name
 794	templinfo["Name"] = user.Name
 795	templinfo["WhatAbout"] = user.HTAbout
 796	templinfo["ServerMessage"] = ""
 797	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", user.URL)
 798	if u != nil {
 799		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 800	}
 801	honkpage(w, u, honks, templinfo)
 802}
 803
 804func showhonker(w http.ResponseWriter, r *http.Request) {
 805	u := login.GetUserInfo(r)
 806	name := mux.Vars(r)["name"]
 807	var honks []*Honk
 808	if name == "" {
 809		name = r.FormValue("xid")
 810		honks = gethonksbyxonker(u.UserID, name, 0)
 811	} else {
 812		honks = gethonksbyhonker(u.UserID, name, 0)
 813	}
 814	miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
 815<input type="hidden" name="CSRF" value="%s">
 816<input type="hidden" name="url" value="%s">
 817<button tabindex=1 name="add honker" value="add honker">add honker</button>
 818</form>`, login.GetCSRF("submithonker", r), name)
 819	msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, name, name, miniform)
 820	templinfo := getInfo(r)
 821	templinfo["PageName"] = "honker"
 822	templinfo["PageArg"] = name
 823	templinfo["ServerMessage"] = msg
 824	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 825	honkpage(w, u, honks, templinfo)
 826}
 827
 828func showcombo(w http.ResponseWriter, r *http.Request) {
 829	name := mux.Vars(r)["name"]
 830	u := login.GetUserInfo(r)
 831	honks := gethonksbycombo(u.UserID, name, 0)
 832	honks = osmosis(honks, u.UserID, true)
 833	templinfo := getInfo(r)
 834	templinfo["PageName"] = "combo"
 835	templinfo["PageArg"] = name
 836	templinfo["ServerMessage"] = "honks by combo: " + name
 837	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 838	honkpage(w, u, honks, templinfo)
 839}
 840func showconvoy(w http.ResponseWriter, r *http.Request) {
 841	c := r.FormValue("c")
 842	u := login.GetUserInfo(r)
 843	honks := gethonksbyconvoy(u.UserID, c, 0)
 844	templinfo := getInfo(r)
 845	if len(honks) > 0 {
 846		templinfo["TopHID"] = honks[0].ID
 847	}
 848	honks = osmosis(honks, u.UserID, false)
 849	//reversehonks(honks)
 850	honks = threadsort(honks)
 851	templinfo["PageName"] = "convoy"
 852	templinfo["PageArg"] = c
 853	templinfo["ServerMessage"] = "honks in convoy: " + c
 854	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 855	honkpage(w, u, honks, templinfo)
 856}
 857func showsearch(w http.ResponseWriter, r *http.Request) {
 858	q := r.FormValue("q")
 859	if strings.HasPrefix(q, "https://") {
 860		ximport(w, r)
 861		return
 862	}
 863	u := login.GetUserInfo(r)
 864	honks := gethonksbysearch(u.UserID, q, 0)
 865	templinfo := getInfo(r)
 866	templinfo["PageName"] = "search"
 867	templinfo["PageArg"] = q
 868	templinfo["ServerMessage"] = "honks for search: " + q
 869	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 870	honkpage(w, u, honks, templinfo)
 871}
 872func showontology(w http.ResponseWriter, r *http.Request) {
 873	name := mux.Vars(r)["name"]
 874	u := login.GetUserInfo(r)
 875	var userid int64 = -1
 876	if u != nil {
 877		userid = u.UserID
 878	}
 879	honks := gethonksbyontology(userid, "#"+name, 0)
 880	if friendorfoe(r.Header.Get("Accept")) {
 881		if len(honks) > 40 {
 882			honks = honks[0:40]
 883		}
 884
 885		var xids []string
 886		for _, h := range honks {
 887			xids = append(xids, h.XID)
 888		}
 889
 890		user := getserveruser()
 891
 892		j := junk.New()
 893		j["@context"] = itiswhatitis
 894		j["id"] = fmt.Sprintf("https://%s/o/%s", serverName, name)
 895		j["name"] = "#" + name
 896		j["attributedTo"] = user.URL
 897		j["type"] = "OrderedCollection"
 898		j["totalItems"] = len(xids)
 899		j["orderedItems"] = xids
 900
 901		j.Write(w)
 902		return
 903	}
 904
 905	templinfo := getInfo(r)
 906	templinfo["ServerMessage"] = "honks by ontology: " + name
 907	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 908	honkpage(w, u, honks, templinfo)
 909}
 910
 911type Ont struct {
 912	Name  string
 913	Count int64
 914}
 915
 916func thelistingoftheontologies(w http.ResponseWriter, r *http.Request) {
 917	u := login.GetUserInfo(r)
 918	var userid int64 = -1
 919	if u != nil {
 920		userid = u.UserID
 921	}
 922	rows, err := stmtAllOnts.Query(userid)
 923	if err != nil {
 924		elog.Printf("selection error: %s", err)
 925		return
 926	}
 927	defer rows.Close()
 928	var onts []Ont
 929	for rows.Next() {
 930		var o Ont
 931		err := rows.Scan(&o.Name, &o.Count)
 932		if err != nil {
 933			elog.Printf("error scanning ont: %s", err)
 934			continue
 935		}
 936		if utf8.RuneCountInString(o.Name) > 24 {
 937			continue
 938		}
 939		o.Name = o.Name[1:]
 940		onts = append(onts, o)
 941	}
 942	sort.Slice(onts, func(i, j int) bool {
 943		return onts[i].Name < onts[j].Name
 944	})
 945	if u == nil && !develMode {
 946		w.Header().Set("Cache-Control", "max-age=300")
 947	}
 948	templinfo := getInfo(r)
 949	templinfo["Onts"] = onts
 950	templinfo["FirstRune"] = func(s string) rune { r, _ := utf8.DecodeRuneInString(s); return r }
 951	err = readviews.Execute(w, "onts.html", templinfo)
 952	if err != nil {
 953		elog.Print(err)
 954	}
 955}
 956
 957type Track struct {
 958	xid string
 959	who string
 960}
 961
 962func getbacktracks(xid string) []string {
 963	c := make(chan bool)
 964	dumptracks <- c
 965	<-c
 966	row := stmtGetTracks.QueryRow(xid)
 967	var rawtracks string
 968	err := row.Scan(&rawtracks)
 969	if err != nil {
 970		if err != sql.ErrNoRows {
 971			elog.Printf("error scanning tracks: %s", err)
 972		}
 973		return nil
 974	}
 975	var rcpts []string
 976	for _, f := range strings.Split(rawtracks, " ") {
 977		idx := strings.LastIndexByte(f, '#')
 978		if idx != -1 {
 979			f = f[:idx]
 980		}
 981		if !strings.HasPrefix(f, "https://") {
 982			f = fmt.Sprintf("%%https://%s/inbox", f)
 983		}
 984		rcpts = append(rcpts, f)
 985	}
 986	return rcpts
 987}
 988
 989func savetracks(tracks map[string][]string) {
 990	db := opendatabase()
 991	tx, err := db.Begin()
 992	if err != nil {
 993		elog.Printf("savetracks begin error: %s", err)
 994		return
 995	}
 996	defer func() {
 997		err := tx.Commit()
 998		if err != nil {
 999			elog.Printf("savetracks commit error: %s", err)
1000		}
1001
1002	}()
1003	stmtGetTracks, err := tx.Prepare("select fetches from tracks where xid = ?")
1004	if err != nil {
1005		elog.Printf("savetracks error: %s", err)
1006		return
1007	}
1008	stmtNewTracks, err := tx.Prepare("insert into tracks (xid, fetches) values (?, ?)")
1009	if err != nil {
1010		elog.Printf("savetracks error: %s", err)
1011		return
1012	}
1013	stmtUpdateTracks, err := tx.Prepare("update tracks set fetches = ? where xid = ?")
1014	if err != nil {
1015		elog.Printf("savetracks error: %s", err)
1016		return
1017	}
1018	count := 0
1019	for xid, f := range tracks {
1020		count += len(f)
1021		var prev string
1022		row := stmtGetTracks.QueryRow(xid)
1023		err := row.Scan(&prev)
1024		if err == sql.ErrNoRows {
1025			f = oneofakind(f)
1026			stmtNewTracks.Exec(xid, strings.Join(f, " "))
1027		} else if err == nil {
1028			all := append(strings.Split(prev, " "), f...)
1029			all = oneofakind(all)
1030			stmtUpdateTracks.Exec(strings.Join(all, " "))
1031		} else {
1032			elog.Printf("savetracks error: %s", err)
1033		}
1034	}
1035	dlog.Printf("saved %d new fetches", count)
1036}
1037
1038var trackchan = make(chan Track)
1039var dumptracks = make(chan chan bool)
1040
1041func tracker() {
1042	timeout := 4 * time.Minute
1043	sleeper := time.NewTimer(timeout)
1044	tracks := make(map[string][]string)
1045	workinprogress++
1046	for {
1047		select {
1048		case track := <-trackchan:
1049			tracks[track.xid] = append(tracks[track.xid], track.who)
1050		case <-sleeper.C:
1051			if len(tracks) > 0 {
1052				go savetracks(tracks)
1053				tracks = make(map[string][]string)
1054			}
1055			sleeper.Reset(timeout)
1056		case c := <-dumptracks:
1057			if len(tracks) > 0 {
1058				savetracks(tracks)
1059			}
1060			c <- true
1061		case <-endoftheworld:
1062			if len(tracks) > 0 {
1063				savetracks(tracks)
1064			}
1065			readyalready <- true
1066			return
1067		}
1068	}
1069}
1070
1071var re_keyholder = regexp.MustCompile(`keyId="([^"]+)"`)
1072
1073func trackback(xid string, r *http.Request) {
1074	agent := r.UserAgent()
1075	who := originate(agent)
1076	sig := r.Header.Get("Signature")
1077	if sig != "" {
1078		m := re_keyholder.FindStringSubmatch(sig)
1079		if len(m) == 2 {
1080			who = m[1]
1081		}
1082	}
1083	if who != "" {
1084		trackchan <- Track{xid: xid, who: who}
1085	}
1086}
1087
1088func sameperson(h1, h2 *Honk) bool {
1089	n1, n2 := h1.Honker, h2.Honker
1090	if h1.Oonker != "" {
1091		n1 = h1.Oonker
1092	}
1093	if h2.Oonker != "" {
1094		n2 = h2.Oonker
1095	}
1096	return n1 == n2
1097}
1098
1099func threadsort(honks []*Honk) []*Honk {
1100	sort.Slice(honks, func(i, j int) bool {
1101		return honks[i].Date.Before(honks[j].Date)
1102	})
1103	honkx := make(map[string]*Honk)
1104	kids := make(map[string][]*Honk)
1105	for _, h := range honks {
1106		honkx[h.XID] = h
1107		rid := h.RID
1108		kids[rid] = append(kids[rid], h)
1109	}
1110	done := make(map[*Honk]bool)
1111	var thread []*Honk
1112	var nextlevel func(p *Honk)
1113	level := 0
1114	nextlevel = func(p *Honk) {
1115		levelup := level < 4
1116		if pp := honkx[p.RID]; p.RID == "" || (pp != nil && sameperson(p, pp)) {
1117			levelup = false
1118		}
1119		if level > 0 && len(kids[p.RID]) == 1 {
1120			if pp := honkx[p.RID]; pp != nil && len(kids[pp.RID]) == 1 {
1121				levelup = false
1122			}
1123		}
1124		if levelup {
1125			level++
1126		}
1127		p.Style += fmt.Sprintf(" level%d", level)
1128		childs := kids[p.XID]
1129		if false {
1130			sort.SliceStable(childs, func(i, j int) bool {
1131				return sameperson(childs[i], p) && !sameperson(childs[j], p)
1132			})
1133		}
1134		if true {
1135			sort.SliceStable(childs, func(i, j int) bool {
1136				return !sameperson(childs[i], p) && sameperson(childs[j], p)
1137			})
1138		}
1139		for _, h := range childs {
1140			if !done[h] {
1141				done[h] = true
1142				thread = append(thread, h)
1143				nextlevel(h)
1144			}
1145		}
1146		if levelup {
1147			level--
1148		}
1149	}
1150	for _, h := range honks {
1151		if !done[h] && h.RID == "" {
1152			done[h] = true
1153			thread = append(thread, h)
1154			nextlevel(h)
1155		}
1156	}
1157	for _, h := range honks {
1158		if !done[h] {
1159			done[h] = true
1160			thread = append(thread, h)
1161			nextlevel(h)
1162		}
1163	}
1164	return thread
1165}
1166
1167func honkology(honk *Honk) template.HTML {
1168	var user *WhatAbout
1169	ok := somenumberedusers.Get(honk.UserID, &user)
1170	if !ok {
1171		return ""
1172	}
1173	title := fmt.Sprintf("%s: %s", user.Display, honk.Precis)
1174	imgurl := avatarURL(user)
1175	for _, d := range honk.Donks {
1176		if d.Local && strings.HasPrefix(d.Media, "image") {
1177			imgurl = d.URL
1178			break
1179		}
1180	}
1181	short := honk.Noise
1182	if len(short) > 160 {
1183		short = short[0:160] + "..."
1184	}
1185	return templates.Sprintf(
1186		`<meta property="og:title" content="%s" />
1187<meta property="og:type" content="article" />
1188<meta property="article:author" content="%s" />
1189<meta property="og:url" content="%s" />
1190<meta property="og:image" content="%s" />
1191<meta property="og:description" content="%s" />`,
1192		title, user.URL, honk.XID, imgurl, short)
1193}
1194
1195func showonehonk(w http.ResponseWriter, r *http.Request) {
1196	name := mux.Vars(r)["name"]
1197	user, err := butwhatabout(name)
1198	if err != nil {
1199		http.NotFound(w, r)
1200		return
1201	}
1202	if stealthmode(user.ID, r) {
1203		http.NotFound(w, r)
1204		return
1205	}
1206	xid := fmt.Sprintf("https://%s%s", serverName, r.URL.Path)
1207
1208	if friendorfoe(r.Header.Get("Accept")) {
1209		j, ok := gimmejonk(xid)
1210		if ok {
1211			trackback(xid, r)
1212			w.Header().Set("Content-Type", theonetruename)
1213			w.Write(j)
1214		} else {
1215			http.NotFound(w, r)
1216		}
1217		return
1218	}
1219	honk := getxonk(user.ID, xid)
1220	if honk == nil {
1221		http.NotFound(w, r)
1222		return
1223	}
1224	u := login.GetUserInfo(r)
1225	if u != nil && u.UserID != user.ID {
1226		u = nil
1227	}
1228	if !honk.Public {
1229		if u == nil {
1230			http.NotFound(w, r)
1231			return
1232
1233		}
1234		honks := []*Honk{honk}
1235		donksforhonks(honks)
1236		templinfo := getInfo(r)
1237		templinfo["ServerMessage"] = "one honk maybe more"
1238		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1239		honkpage(w, u, honks, templinfo)
1240		return
1241	}
1242
1243	templinfo := getInfo(r)
1244	rawhonks := gethonksbyconvoy(honk.UserID, honk.Convoy, 0)
1245	//reversehonks(rawhonks)
1246	rawhonks = threadsort(rawhonks)
1247	var honks []*Honk
1248	for i, h := range rawhonks {
1249		if h.XID == xid {
1250			templinfo["Honkology"] = honkology(h)
1251			if i > 0 {
1252				h.Style += " glow"
1253			}
1254		}
1255		if h.Public && (h.Whofore == 2 || h.IsAcked()) {
1256			honks = append(honks, h)
1257		}
1258	}
1259
1260	templinfo["ServerMessage"] = "one honk maybe more"
1261	if u != nil {
1262		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1263	}
1264	templinfo["APAltLink"] = templates.Sprintf("<link href='%s' rel='alternate' type='application/activity+json'>", xid)
1265	honkpage(w, u, honks, templinfo)
1266}
1267
1268func honkpage(w http.ResponseWriter, u *login.UserInfo, honks []*Honk, templinfo map[string]interface{}) {
1269	var userid int64 = -1
1270	if u != nil {
1271		userid = u.UserID
1272		templinfo["User"], _ = butwhatabout(u.Username)
1273	}
1274	reverbolate(userid, honks)
1275	templinfo["Honks"] = honks
1276	templinfo["MapLink"] = getmaplink(u)
1277	if templinfo["TopHID"] == nil {
1278		if len(honks) > 0 {
1279			templinfo["TopHID"] = honks[0].ID
1280		} else {
1281			templinfo["TopHID"] = 0
1282		}
1283	}
1284	if u == nil && !develMode {
1285		w.Header().Set("Cache-Control", "max-age=60")
1286	}
1287	err := readviews.Execute(w, "honkpage.html", templinfo)
1288	if err != nil {
1289		elog.Print(err)
1290	}
1291}
1292
1293func saveuser(w http.ResponseWriter, r *http.Request) {
1294	whatabout := r.FormValue("whatabout")
1295	whatabout = strings.Replace(whatabout, "\r", "", -1)
1296	u := login.GetUserInfo(r)
1297	user, _ := butwhatabout(u.Username)
1298	db := opendatabase()
1299
1300	options := user.Options
1301	if r.FormValue("skinny") == "skinny" {
1302		options.SkinnyCSS = true
1303	} else {
1304		options.SkinnyCSS = false
1305	}
1306	if r.FormValue("omitimages") == "omitimages" {
1307		options.OmitImages = true
1308	} else {
1309		options.OmitImages = false
1310	}
1311	if r.FormValue("mentionall") == "mentionall" {
1312		options.MentionAll = true
1313	} else {
1314		options.MentionAll = false
1315	}
1316	if r.FormValue("inlineqts") == "inlineqts" {
1317		options.InlineQuotes = true
1318	} else {
1319		options.InlineQuotes = false
1320	}
1321	if r.FormValue("maps") == "apple" {
1322		options.MapLink = "apple"
1323	} else {
1324		options.MapLink = ""
1325	}
1326	options.Reaction = r.FormValue("reaction")
1327
1328	sendupdate := false
1329	ava := re_avatar.FindString(whatabout)
1330	if ava != "" {
1331		whatabout = re_avatar.ReplaceAllString(whatabout, "")
1332		ava = ava[7:]
1333		if ava[0] == ' ' {
1334			ava = ava[1:]
1335		}
1336		ava = fmt.Sprintf("https://%s/meme/%s", serverName, ava)
1337	}
1338	if ava != options.Avatar {
1339		options.Avatar = ava
1340		sendupdate = true
1341	}
1342	ban := re_banner.FindString(whatabout)
1343	if ban != "" {
1344		whatabout = re_banner.ReplaceAllString(whatabout, "")
1345		ban = ban[7:]
1346		if ban[0] == ' ' {
1347			ban = ban[1:]
1348		}
1349		ban = fmt.Sprintf("https://%s/meme/%s", serverName, ban)
1350	}
1351	if ban != options.Banner {
1352		options.Banner = ban
1353		sendupdate = true
1354	}
1355	whatabout = strings.TrimSpace(whatabout)
1356	if whatabout != user.About {
1357		sendupdate = true
1358	}
1359	j, err := jsonify(options)
1360	if err == nil {
1361		_, err = db.Exec("update users set about = ?, options = ? where username = ?", whatabout, j, u.Username)
1362	}
1363	if err != nil {
1364		elog.Printf("error bouting what: %s", err)
1365	}
1366	somenamedusers.Clear(u.Username)
1367	somenumberedusers.Clear(u.UserID)
1368	oldjonkers.Clear(u.Username)
1369
1370	if sendupdate {
1371		updateMe(u.Username)
1372	}
1373
1374	http.Redirect(w, r, "/account", http.StatusSeeOther)
1375}
1376
1377func bonkit(xid string, user *WhatAbout) {
1378	dlog.Printf("bonking %s", xid)
1379
1380	xonk := getxonk(user.ID, xid)
1381	if xonk == nil {
1382		return
1383	}
1384	if !xonk.Public {
1385		return
1386	}
1387	if xonk.IsBonked() {
1388		return
1389	}
1390	donksforhonks([]*Honk{xonk})
1391
1392	_, err := stmtUpdateFlags.Exec(flagIsBonked, xonk.ID)
1393	if err != nil {
1394		elog.Printf("error acking bonk: %s", err)
1395	}
1396
1397	oonker := xonk.Oonker
1398	if oonker == "" {
1399		oonker = xonk.Honker
1400	}
1401	dt := time.Now().UTC()
1402	bonk := &Honk{
1403		UserID:   user.ID,
1404		Username: user.Name,
1405		What:     "bonk",
1406		Honker:   user.URL,
1407		Oonker:   oonker,
1408		XID:      xonk.XID,
1409		RID:      xonk.RID,
1410		Noise:    xonk.Noise,
1411		Precis:   xonk.Precis,
1412		URL:      xonk.URL,
1413		Date:     dt,
1414		Donks:    xonk.Donks,
1415		Whofore:  2,
1416		Convoy:   xonk.Convoy,
1417		Audience: []string{thewholeworld, oonker},
1418		Public:   true,
1419		Format:   xonk.Format,
1420		Place:    xonk.Place,
1421		Onts:     xonk.Onts,
1422		Time:     xonk.Time,
1423	}
1424
1425	err = savehonk(bonk)
1426	if err != nil {
1427		elog.Printf("uh oh")
1428		return
1429	}
1430
1431	go honkworldwide(user, bonk)
1432}
1433
1434func submitbonk(w http.ResponseWriter, r *http.Request) {
1435	xid := r.FormValue("xid")
1436	userinfo := login.GetUserInfo(r)
1437	user, _ := butwhatabout(userinfo.Username)
1438
1439	bonkit(xid, user)
1440
1441	if r.FormValue("js") != "1" {
1442		templinfo := getInfo(r)
1443		templinfo["ServerMessage"] = "Bonked!"
1444		err := readviews.Execute(w, "msg.html", templinfo)
1445		if err != nil {
1446			elog.Print(err)
1447		}
1448	}
1449}
1450
1451func sendzonkofsorts(xonk *Honk, user *WhatAbout, what string, aux string) {
1452	zonk := &Honk{
1453		What:     what,
1454		XID:      xonk.XID,
1455		Date:     time.Now().UTC(),
1456		Audience: oneofakind(xonk.Audience),
1457		Noise:    aux,
1458	}
1459	zonk.Public = loudandproud(zonk.Audience)
1460
1461	dlog.Printf("announcing %sed honk: %s", what, xonk.XID)
1462	go honkworldwide(user, zonk)
1463}
1464
1465func zonkit(w http.ResponseWriter, r *http.Request) {
1466	wherefore := r.FormValue("wherefore")
1467	what := r.FormValue("what")
1468	userinfo := login.GetUserInfo(r)
1469	user, _ := butwhatabout(userinfo.Username)
1470
1471	if wherefore == "save" {
1472		xonk := getxonk(userinfo.UserID, what)
1473		if xonk != nil {
1474			_, err := stmtUpdateFlags.Exec(flagIsSaved, xonk.ID)
1475			if err != nil {
1476				elog.Printf("error saving: %s", err)
1477			}
1478		}
1479		return
1480	}
1481
1482	if wherefore == "unsave" {
1483		xonk := getxonk(userinfo.UserID, what)
1484		if xonk != nil {
1485			_, err := stmtClearFlags.Exec(flagIsSaved, xonk.ID)
1486			if err != nil {
1487				elog.Printf("error unsaving: %s", err)
1488			}
1489		}
1490		return
1491	}
1492
1493	if wherefore == "react" {
1494		reaction := user.Options.Reaction
1495		if r2 := r.FormValue("reaction"); r2 != "" {
1496			reaction = r2
1497		}
1498		if reaction == "none" {
1499			return
1500		}
1501		xonk := getxonk(userinfo.UserID, what)
1502		if xonk != nil {
1503			_, err := stmtUpdateFlags.Exec(flagIsReacted, xonk.ID)
1504			if err != nil {
1505				elog.Printf("error saving: %s", err)
1506			}
1507			sendzonkofsorts(xonk, user, "react", reaction)
1508		}
1509		return
1510	}
1511
1512	// my hammer is too big, oh well
1513	defer oldjonks.Flush()
1514
1515	if wherefore == "ack" {
1516		xonk := getxonk(userinfo.UserID, what)
1517		if xonk != nil && !xonk.IsAcked() {
1518			_, err := stmtUpdateFlags.Exec(flagIsAcked, xonk.ID)
1519			if err != nil {
1520				elog.Printf("error acking: %s", err)
1521			}
1522			sendzonkofsorts(xonk, user, "ack", "")
1523		}
1524		return
1525	}
1526
1527	if wherefore == "deack" {
1528		xonk := getxonk(userinfo.UserID, what)
1529		if xonk != nil && xonk.IsAcked() {
1530			_, err := stmtClearFlags.Exec(flagIsAcked, xonk.ID)
1531			if err != nil {
1532				elog.Printf("error deacking: %s", err)
1533			}
1534			sendzonkofsorts(xonk, user, "deack", "")
1535		}
1536		return
1537	}
1538
1539	if wherefore == "bonk" {
1540		user, _ := butwhatabout(userinfo.Username)
1541		bonkit(what, user)
1542		return
1543	}
1544
1545	if wherefore == "unbonk" {
1546		xonk := getbonk(userinfo.UserID, what)
1547		if xonk != nil {
1548			deletehonk(xonk.ID)
1549			xonk = getxonk(userinfo.UserID, what)
1550			_, err := stmtClearFlags.Exec(flagIsBonked, xonk.ID)
1551			if err != nil {
1552				elog.Printf("error unbonking: %s", err)
1553			}
1554			sendzonkofsorts(xonk, user, "unbonk", "")
1555		}
1556		return
1557	}
1558
1559	if wherefore == "untag" {
1560		xonk := getxonk(userinfo.UserID, what)
1561		if xonk != nil {
1562			_, err := stmtUpdateFlags.Exec(flagIsUntagged, xonk.ID)
1563			if err != nil {
1564				elog.Printf("error untagging: %s", err)
1565			}
1566		}
1567		var badparents map[string]bool
1568		untagged.GetAndLock(userinfo.UserID, &badparents)
1569		badparents[what] = true
1570		untagged.Unlock()
1571		return
1572	}
1573
1574	ilog.Printf("zonking %s %s", wherefore, what)
1575	if wherefore == "zonk" {
1576		xonk := getxonk(userinfo.UserID, what)
1577		if xonk != nil {
1578			deletehonk(xonk.ID)
1579			if xonk.Whofore == 2 || xonk.Whofore == 3 {
1580				sendzonkofsorts(xonk, user, "zonk", "")
1581			}
1582		}
1583	}
1584	_, err := stmtSaveZonker.Exec(userinfo.UserID, what, wherefore)
1585	if err != nil {
1586		elog.Printf("error saving zonker: %s", err)
1587		return
1588	}
1589}
1590
1591func edithonkpage(w http.ResponseWriter, r *http.Request) {
1592	u := login.GetUserInfo(r)
1593	user, _ := butwhatabout(u.Username)
1594	xid := r.FormValue("xid")
1595	honk := getxonk(u.UserID, xid)
1596	if !canedithonk(user, honk) {
1597		http.Error(w, "no editing that please", http.StatusInternalServerError)
1598		return
1599	}
1600
1601	noise := honk.Noise
1602
1603	honks := []*Honk{honk}
1604	donksforhonks(honks)
1605	reverbolate(u.UserID, honks)
1606	templinfo := getInfo(r)
1607	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1608	templinfo["Honks"] = honks
1609	templinfo["MapLink"] = getmaplink(u)
1610	templinfo["Noise"] = noise
1611	templinfo["SavedPlace"] = honk.Place
1612	if tm := honk.Time; tm != nil {
1613		templinfo["ShowTime"] = " "
1614		templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1615		if tm.Duration != 0 {
1616			templinfo["Duration"] = tm.Duration
1617		}
1618	}
1619	templinfo["ServerMessage"] = "honk edit"
1620	templinfo["IsPreview"] = true
1621	templinfo["UpdateXID"] = honk.XID
1622	if len(honk.Donks) > 0 {
1623		var savedfiles []string
1624		for _, d := range honk.Donks {
1625			savedfiles = append(savedfiles, fmt.Sprintf("%s:%d", d.XID, d.FileID))
1626		}
1627		templinfo["SavedFile"] = strings.Join(savedfiles, ",")
1628	}
1629	err := readviews.Execute(w, "honkpage.html", templinfo)
1630	if err != nil {
1631		elog.Print(err)
1632	}
1633}
1634
1635func newhonkpage(w http.ResponseWriter, r *http.Request) {
1636	u := login.GetUserInfo(r)
1637	rid := r.FormValue("rid")
1638	noise := ""
1639
1640	xonk := getxonk(u.UserID, rid)
1641	if xonk != nil {
1642		_, replto := handles(xonk.Honker)
1643		if replto != "" {
1644			noise = "@" + replto + " "
1645		}
1646	}
1647
1648	templinfo := getInfo(r)
1649	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1650	templinfo["InReplyTo"] = rid
1651	templinfo["Noise"] = noise
1652	templinfo["ServerMessage"] = "compose honk"
1653	templinfo["IsPreview"] = true
1654	err := readviews.Execute(w, "honkpage.html", templinfo)
1655	if err != nil {
1656		elog.Print(err)
1657	}
1658}
1659
1660func canedithonk(user *WhatAbout, honk *Honk) bool {
1661	if honk == nil || honk.Honker != user.URL || honk.What == "bonk" {
1662		return false
1663	}
1664	return true
1665}
1666
1667func submitdonk(w http.ResponseWriter, r *http.Request) ([]*Donk, error) {
1668	if !strings.HasPrefix(strings.ToLower(r.Header.Get("Content-Type")), "multipart/form-data") {
1669		return nil, nil
1670	}
1671	var donks []*Donk
1672	for i, hdr := range r.MultipartForm.File["donk"] {
1673		if i > 16 {
1674			break
1675		}
1676		donk, err := formtodonk(w, r, hdr)
1677		if err != nil {
1678			return nil, err
1679		}
1680		donks = append(donks, donk)
1681	}
1682	return donks, nil
1683}
1684
1685func formtodonk(w http.ResponseWriter, r *http.Request, filehdr *multipart.FileHeader) (*Donk, error) {
1686	file, err := filehdr.Open()
1687	if err != nil {
1688		if err == http.ErrMissingFile {
1689			return nil, nil
1690		}
1691		elog.Printf("error reading donk: %s", err)
1692		http.Error(w, "error reading donk", http.StatusUnsupportedMediaType)
1693		return nil, err
1694	}
1695	var buf bytes.Buffer
1696	io.Copy(&buf, file)
1697	file.Close()
1698	data := buf.Bytes()
1699	var media, name string
1700	img, err := bigshrink(data)
1701	if err == nil {
1702		data = img.Data
1703		format := img.Format
1704		media = "image/" + format
1705		if format == "jpeg" {
1706			format = "jpg"
1707		}
1708		if format == "svg+xml" {
1709			format = "svg"
1710		}
1711		name = xfiltrate() + "." + format
1712	} else {
1713		ct := http.DetectContentType(data)
1714		switch ct {
1715		case "application/pdf":
1716			maxsize := 10000000
1717			if len(data) > maxsize {
1718				ilog.Printf("bad image: %s too much pdf: %d", err, len(data))
1719				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1720				return nil, err
1721			}
1722			media = ct
1723			name = filehdr.Filename
1724			if name == "" {
1725				name = xfiltrate() + ".pdf"
1726			}
1727		default:
1728			maxsize := 100000
1729			if len(data) > maxsize {
1730				ilog.Printf("bad image: %s too much text: %d", err, len(data))
1731				http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1732				return nil, err
1733			}
1734			for i := 0; i < len(data); i++ {
1735				if data[i] < 32 && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
1736					ilog.Printf("bad image: %s not text: %d", err, data[i])
1737					http.Error(w, "didn't like your attachment", http.StatusUnsupportedMediaType)
1738					return nil, err
1739				}
1740			}
1741			media = "text/plain"
1742			name = filehdr.Filename
1743			if name == "" {
1744				name = xfiltrate() + ".txt"
1745			}
1746		}
1747	}
1748	desc := strings.TrimSpace(r.FormValue("donkdesc"))
1749	if desc == "" {
1750		desc = name
1751	}
1752	fileid, xid, err := savefileandxid(name, desc, "", media, true, data)
1753	if err != nil {
1754		elog.Printf("unable to save image: %s", err)
1755		http.Error(w, "failed to save attachment", http.StatusUnsupportedMediaType)
1756		return nil, err
1757	}
1758	d := &Donk{
1759		FileID: fileid,
1760		XID:    xid,
1761		Desc:   desc,
1762		Local:  true,
1763	}
1764	return d, nil
1765}
1766
1767func websubmithonk(w http.ResponseWriter, r *http.Request) {
1768	h := submithonk(w, r)
1769	if h == nil {
1770		return
1771	}
1772	http.Redirect(w, r, h.XID[len(serverName)+8:], http.StatusSeeOther)
1773}
1774
1775// what a hot mess this function is
1776func submithonk(w http.ResponseWriter, r *http.Request) *Honk {
1777	rid := r.FormValue("rid")
1778	noise := r.FormValue("noise")
1779	format := r.FormValue("format")
1780	if format == "" {
1781		format = "markdown"
1782	}
1783	if !(format == "markdown" || format == "html") {
1784		http.Error(w, "unknown format", 500)
1785		return nil
1786	}
1787
1788	userinfo := login.GetUserInfo(r)
1789	user, _ := butwhatabout(userinfo.Username)
1790
1791	dt := time.Now().UTC()
1792	updatexid := r.FormValue("updatexid")
1793	var honk *Honk
1794	if updatexid != "" {
1795		honk = getxonk(userinfo.UserID, updatexid)
1796		if !canedithonk(user, honk) {
1797			http.Error(w, "no editing that please", http.StatusInternalServerError)
1798			return nil
1799		}
1800		honk.Date = dt
1801		honk.What = "update"
1802		honk.Format = format
1803	} else {
1804		xid := fmt.Sprintf("%s/%s/%s", user.URL, honkSep, xfiltrate())
1805		what := "honk"
1806		honk = &Honk{
1807			UserID:   userinfo.UserID,
1808			Username: userinfo.Username,
1809			What:     what,
1810			Honker:   user.URL,
1811			XID:      xid,
1812			Date:     dt,
1813			Format:   format,
1814		}
1815	}
1816
1817	var convoy string
1818	noise = strings.Replace(noise, "\r", "", -1)
1819	if updatexid == "" && rid == "" {
1820		noise = re_convoy.ReplaceAllStringFunc(noise, func(m string) string {
1821			convoy = m[7:]
1822			convoy = strings.TrimSpace(convoy)
1823			if !re_convalidate.MatchString(convoy) {
1824				convoy = ""
1825			}
1826			return ""
1827		})
1828	}
1829	noise = quickrename(noise, userinfo.UserID)
1830	noise = hooterize(noise)
1831	honk.Noise = noise
1832	precipitate(honk)
1833	noise = honk.Noise
1834	recategorize(honk)
1835	translate(honk)
1836
1837	if rid != "" {
1838		xonk := getxonk(userinfo.UserID, rid)
1839		if xonk == nil {
1840			http.Error(w, "replyto disappeared", http.StatusNotFound)
1841			return nil
1842		}
1843		if xonk.Public {
1844			honk.Audience = append(honk.Audience, xonk.Audience...)
1845		}
1846		convoy = xonk.Convoy
1847		for i, a := range honk.Audience {
1848			if a == thewholeworld {
1849				honk.Audience[0], honk.Audience[i] = honk.Audience[i], honk.Audience[0]
1850				break
1851			}
1852		}
1853		honk.RID = rid
1854		if xonk.Precis != "" && honk.Precis == "" {
1855			honk.Precis = xonk.Precis
1856			if !re_dangerous.MatchString(honk.Precis) {
1857				honk.Precis = "re: " + honk.Precis
1858			}
1859		}
1860	} else if updatexid == "" {
1861		honk.Audience = []string{thewholeworld}
1862	}
1863	if honk.Noise != "" && honk.Noise[0] == '@' {
1864		honk.Audience = append(grapevine(honk.Mentions), honk.Audience...)
1865	} else {
1866		honk.Audience = append(honk.Audience, grapevine(honk.Mentions)...)
1867	}
1868
1869	if convoy == "" {
1870		convoy = "data:,electrichonkytonk-" + xfiltrate()
1871	}
1872	butnottooloud(honk.Audience)
1873	honk.Audience = oneofakind(honk.Audience)
1874	if len(honk.Audience) == 0 {
1875		ilog.Printf("honk to nowhere")
1876		http.Error(w, "honk to nowhere...", http.StatusNotFound)
1877		return nil
1878	}
1879	honk.Public = loudandproud(honk.Audience)
1880	honk.Convoy = convoy
1881
1882	donkxid := strings.Join(r.Form["donkxid"], ",")
1883	if donkxid == "" {
1884		donks, err := submitdonk(w, r)
1885		if err != nil && err != http.ErrMissingFile {
1886			return nil
1887		}
1888		if len(donks) > 0 {
1889			honk.Donks = append(honk.Donks, donks...)
1890			var xids []string
1891			for _, d := range honk.Donks {
1892				xids = append(xids, fmt.Sprintf("%s:%d", d.XID, d.FileID))
1893			}
1894			donkxid = strings.Join(xids, ",")
1895		}
1896	} else {
1897		xids := strings.Split(donkxid, ",")
1898		for i, xid := range xids {
1899			if i > 16 {
1900				break
1901			}
1902			p := strings.Split(xid, ":")
1903			xid = p[0]
1904			url := fmt.Sprintf("https://%s/d/%s", serverName, xid)
1905			var donk *Donk
1906			if len(p) > 1 {
1907				fileid, _ := strconv.ParseInt(p[1], 10, 0)
1908				donk = finddonkid(fileid, url)
1909			} else {
1910				donk = finddonk(url)
1911			}
1912			if donk != nil {
1913				honk.Donks = append(honk.Donks, donk)
1914			} else {
1915				ilog.Printf("can't find file: %s", xid)
1916			}
1917		}
1918	}
1919	memetize(honk)
1920	imaginate(honk)
1921
1922	placename := strings.TrimSpace(r.FormValue("placename"))
1923	placelat := strings.TrimSpace(r.FormValue("placelat"))
1924	placelong := strings.TrimSpace(r.FormValue("placelong"))
1925	placeurl := strings.TrimSpace(r.FormValue("placeurl"))
1926	if placename != "" || placelat != "" || placelong != "" || placeurl != "" {
1927		p := new(Place)
1928		p.Name = placename
1929		p.Latitude, _ = strconv.ParseFloat(placelat, 64)
1930		p.Longitude, _ = strconv.ParseFloat(placelong, 64)
1931		p.Url = placeurl
1932		honk.Place = p
1933	}
1934	timestart := strings.TrimSpace(r.FormValue("timestart"))
1935	if timestart != "" {
1936		t := new(Time)
1937		now := time.Now().Local()
1938		for _, layout := range []string{"2006-01-02 3:04pm", "2006-01-02 15:04", "3:04pm", "15:04"} {
1939			start, err := time.ParseInLocation(layout, timestart, now.Location())
1940			if err == nil {
1941				if start.Year() == 0 {
1942					start = time.Date(now.Year(), now.Month(), now.Day(), start.Hour(), start.Minute(), 0, 0, now.Location())
1943				}
1944				t.StartTime = start
1945				break
1946			}
1947		}
1948		timeend := r.FormValue("timeend")
1949		dur := parseDuration(timeend)
1950		if dur != 0 {
1951			t.Duration = Duration(dur)
1952		}
1953		if !t.StartTime.IsZero() {
1954			honk.What = "event"
1955			honk.Time = t
1956		}
1957	}
1958
1959	if honk.Public {
1960		honk.Whofore = 2
1961	} else {
1962		honk.Whofore = 3
1963	}
1964
1965	// back to markdown
1966	honk.Noise = noise
1967
1968	if r.FormValue("preview") == "preview" {
1969		honks := []*Honk{honk}
1970		reverbolate(userinfo.UserID, honks)
1971		templinfo := getInfo(r)
1972		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
1973		templinfo["Honks"] = honks
1974		templinfo["MapLink"] = getmaplink(userinfo)
1975		templinfo["InReplyTo"] = r.FormValue("rid")
1976		templinfo["Noise"] = r.FormValue("noise")
1977		templinfo["SavedFile"] = donkxid
1978		if tm := honk.Time; tm != nil {
1979			templinfo["ShowTime"] = " "
1980			templinfo["StartTime"] = tm.StartTime.Format("2006-01-02 15:04")
1981			if tm.Duration != 0 {
1982				templinfo["Duration"] = tm.Duration
1983			}
1984		}
1985		templinfo["IsPreview"] = true
1986		templinfo["UpdateXID"] = updatexid
1987		templinfo["ServerMessage"] = "honk preview"
1988		err := readviews.Execute(w, "honkpage.html", templinfo)
1989		if err != nil {
1990			elog.Print(err)
1991		}
1992		return nil
1993	}
1994
1995	if updatexid != "" {
1996		updatehonk(honk)
1997		oldjonks.Clear(honk.XID)
1998	} else {
1999		err := savehonk(honk)
2000		if err != nil {
2001			elog.Printf("uh oh")
2002			return nil
2003		}
2004	}
2005
2006	// reload for consistency
2007	honk.Donks = nil
2008	donksforhonks([]*Honk{honk})
2009
2010	go honkworldwide(user, honk)
2011
2012	return honk
2013}
2014
2015func showhonkers(w http.ResponseWriter, r *http.Request) {
2016	userinfo := login.GetUserInfo(r)
2017	templinfo := getInfo(r)
2018	templinfo["Honkers"] = gethonkers(userinfo.UserID)
2019	templinfo["HonkerCSRF"] = login.GetCSRF("submithonker", r)
2020	err := readviews.Execute(w, "honkers.html", templinfo)
2021	if err != nil {
2022		elog.Print(err)
2023	}
2024}
2025
2026func showchatter(w http.ResponseWriter, r *http.Request) {
2027	u := login.GetUserInfo(r)
2028	chatnewnone(u.UserID)
2029	chatter := loadchatter(u.UserID)
2030	for _, chat := range chatter {
2031		for _, ch := range chat.Chonks {
2032			filterchonk(ch)
2033		}
2034	}
2035
2036	templinfo := getInfo(r)
2037	templinfo["Chatter"] = chatter
2038	templinfo["ChonkCSRF"] = login.GetCSRF("sendchonk", r)
2039	err := readviews.Execute(w, "chatter.html", templinfo)
2040	if err != nil {
2041		elog.Print(err)
2042	}
2043}
2044
2045func submitchonk(w http.ResponseWriter, r *http.Request) {
2046	u := login.GetUserInfo(r)
2047	user, _ := butwhatabout(u.Username)
2048	noise := r.FormValue("noise")
2049	target := r.FormValue("target")
2050	format := "markdown"
2051	dt := time.Now().UTC()
2052	xid := fmt.Sprintf("%s/%s/%s", user.URL, "chonk", xfiltrate())
2053
2054	if !strings.HasPrefix(target, "https://") {
2055		target = fullname(target, u.UserID)
2056	}
2057	if target == "" {
2058		http.Error(w, "who is that?", http.StatusInternalServerError)
2059		return
2060	}
2061	ch := Chonk{
2062		UserID: u.UserID,
2063		XID:    xid,
2064		Who:    user.URL,
2065		Target: target,
2066		Date:   dt,
2067		Noise:  noise,
2068		Format: format,
2069	}
2070	donks, err := submitdonk(w, r)
2071	if err != nil && err != http.ErrMissingFile {
2072		return
2073	}
2074	if len(donks) > 0 {
2075		ch.Donks = append(ch.Donks, donks...)
2076	}
2077
2078	translatechonk(&ch)
2079	savechonk(&ch)
2080	// reload for consistency
2081	ch.Donks = nil
2082	donksforchonks([]*Chonk{&ch})
2083	go sendchonk(user, &ch)
2084
2085	http.Redirect(w, r, "/chatter", http.StatusSeeOther)
2086}
2087
2088var combocache = cache.New(cache.Options{Filler: func(userid int64) ([]string, bool) {
2089	honkers := gethonkers(userid)
2090	var combos []string
2091	for _, h := range honkers {
2092		combos = append(combos, h.Combos...)
2093	}
2094	for i, c := range combos {
2095		if c == "-" {
2096			combos[i] = ""
2097		}
2098	}
2099	combos = oneofakind(combos)
2100	sort.Strings(combos)
2101	return combos, true
2102}, Invalidator: &honkerinvalidator})
2103
2104func showcombos(w http.ResponseWriter, r *http.Request) {
2105	userinfo := login.GetUserInfo(r)
2106	var combos []string
2107	combocache.Get(userinfo.UserID, &combos)
2108	templinfo := getInfo(r)
2109	err := readviews.Execute(w, "combos.html", templinfo)
2110	if err != nil {
2111		elog.Print(err)
2112	}
2113}
2114
2115func websubmithonker(w http.ResponseWriter, r *http.Request) {
2116	h := submithonker(w, r)
2117	if h == nil {
2118		return
2119	}
2120	http.Redirect(w, r, "/honkers", http.StatusSeeOther)
2121}
2122
2123func submithonker(w http.ResponseWriter, r *http.Request) *Honker {
2124	u := login.GetUserInfo(r)
2125	user, _ := butwhatabout(u.Username)
2126	name := strings.TrimSpace(r.FormValue("name"))
2127	url := strings.TrimSpace(r.FormValue("url"))
2128	peep := r.FormValue("peep")
2129	combos := strings.TrimSpace(r.FormValue("combos"))
2130	combos = " " + combos + " "
2131	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
2132
2133	re_namecheck := regexp.MustCompile("^[\\pL[:digit:]_.-]+$")
2134	if name != "" && !re_namecheck.MatchString(name) {
2135		http.Error(w, "please use a plainer name", http.StatusInternalServerError)
2136		return nil
2137	}
2138
2139	var meta HonkerMeta
2140	meta.Notes = strings.TrimSpace(r.FormValue("notes"))
2141	mj, _ := jsonify(&meta)
2142
2143	defer honkerinvalidator.Clear(u.UserID)
2144
2145	// mostly dummy, fill in later...
2146	h := &Honker{
2147		ID: honkerid,
2148	}
2149
2150	if honkerid > 0 {
2151		if r.FormValue("delete") == "delete" {
2152			unfollowyou(user, honkerid, false)
2153			stmtDeleteHonker.Exec(honkerid)
2154			return h
2155		}
2156		if r.FormValue("unsub") == "unsub" {
2157			unfollowyou(user, honkerid, false)
2158		}
2159		if r.FormValue("sub") == "sub" {
2160			followyou(user, honkerid, false)
2161		}
2162		_, err := stmtUpdateHonker.Exec(name, combos, mj, honkerid, u.UserID)
2163		if err != nil {
2164			elog.Printf("update honker err: %s", err)
2165			return nil
2166		}
2167		return h
2168	}
2169
2170	if url == "" {
2171		http.Error(w, "subscribing to nothing?", http.StatusInternalServerError)
2172		return nil
2173	}
2174
2175	flavor := "presub"
2176	if peep == "peep" {
2177		flavor = "peep"
2178	}
2179
2180	var err error
2181	honkerid, err = savehonker(user, url, name, flavor, combos, mj)
2182	if err != nil {
2183		http.Error(w, "had some trouble with that: "+err.Error(), http.StatusInternalServerError)
2184		return nil
2185	}
2186	if flavor == "presub" {
2187		followyou(user, honkerid, false)
2188	}
2189	h.ID = honkerid
2190	return h
2191}
2192
2193func hfcspage(w http.ResponseWriter, r *http.Request) {
2194	userinfo := login.GetUserInfo(r)
2195
2196	filters := getfilters(userinfo.UserID, filtAny)
2197
2198	templinfo := getInfo(r)
2199	templinfo["Filters"] = filters
2200	templinfo["FilterCSRF"] = login.GetCSRF("filter", r)
2201	err := readviews.Execute(w, "hfcs.html", templinfo)
2202	if err != nil {
2203		elog.Print(err)
2204	}
2205}
2206
2207func savehfcs(w http.ResponseWriter, r *http.Request) {
2208	userinfo := login.GetUserInfo(r)
2209	itsok := r.FormValue("itsok")
2210	if itsok == "iforgiveyou" {
2211		hfcsid, _ := strconv.ParseInt(r.FormValue("hfcsid"), 10, 0)
2212		_, err := stmtDeleteFilter.Exec(userinfo.UserID, hfcsid)
2213		if err != nil {
2214			elog.Printf("error deleting filter: %s", err)
2215		}
2216		filtInvalidator.Clear(userinfo.UserID)
2217		http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2218		return
2219	}
2220
2221	filt := new(Filter)
2222	filt.Name = strings.TrimSpace(r.FormValue("name"))
2223	filt.Date = time.Now().UTC()
2224	filt.Actor = strings.TrimSpace(r.FormValue("actor"))
2225	filt.IncludeAudience = r.FormValue("incaud") == "yes"
2226	filt.Text = strings.TrimSpace(r.FormValue("filttext"))
2227	filt.IsReply = r.FormValue("isreply") == "yes"
2228	filt.IsAnnounce = r.FormValue("isannounce") == "yes"
2229	filt.AnnounceOf = strings.TrimSpace(r.FormValue("announceof"))
2230	filt.Reject = r.FormValue("doreject") == "yes"
2231	filt.SkipMedia = r.FormValue("doskipmedia") == "yes"
2232	filt.Hide = r.FormValue("dohide") == "yes"
2233	filt.Collapse = r.FormValue("docollapse") == "yes"
2234	filt.Rewrite = strings.TrimSpace(r.FormValue("filtrewrite"))
2235	filt.Replace = strings.TrimSpace(r.FormValue("filtreplace"))
2236	if dur := parseDuration(r.FormValue("filtduration")); dur > 0 {
2237		filt.Expiration = time.Now().UTC().Add(dur)
2238	}
2239	filt.Notes = strings.TrimSpace(r.FormValue("filtnotes"))
2240
2241	if filt.Actor == "" && filt.Text == "" && !filt.IsAnnounce {
2242		ilog.Printf("blank filter")
2243		http.Error(w, "can't save a blank filter", http.StatusInternalServerError)
2244		return
2245	}
2246
2247	j, err := jsonify(filt)
2248	if err == nil {
2249		_, err = stmtSaveFilter.Exec(userinfo.UserID, j)
2250	}
2251	if err != nil {
2252		elog.Printf("error saving filter: %s", err)
2253	}
2254
2255	filtInvalidator.Clear(userinfo.UserID)
2256	http.Redirect(w, r, "/hfcs", http.StatusSeeOther)
2257}
2258
2259func accountpage(w http.ResponseWriter, r *http.Request) {
2260	u := login.GetUserInfo(r)
2261	user, _ := butwhatabout(u.Username)
2262	templinfo := getInfo(r)
2263	templinfo["UserCSRF"] = login.GetCSRF("saveuser", r)
2264	templinfo["LogoutCSRF"] = login.GetCSRF("logout", r)
2265	templinfo["User"] = user
2266	about := user.About
2267	if ava := user.Options.Avatar; ava != "" {
2268		about += "\n\navatar: " + ava[strings.LastIndexByte(ava, '/')+1:]
2269	}
2270	if ban := user.Options.Banner; ban != "" {
2271		about += "\n\nbanner: " + ban[strings.LastIndexByte(ban, '/')+1:]
2272	}
2273	templinfo["WhatAbout"] = about
2274	err := readviews.Execute(w, "account.html", templinfo)
2275	if err != nil {
2276		elog.Print(err)
2277	}
2278}
2279
2280func dochpass(w http.ResponseWriter, r *http.Request) {
2281	err := login.ChangePassword(w, r)
2282	if err != nil {
2283		elog.Printf("error changing password: %s", err)
2284	}
2285	http.Redirect(w, r, "/account", http.StatusSeeOther)
2286}
2287
2288var oldfingers = cache.New(cache.Options{Filler: func(orig string) ([]byte, bool) {
2289	if strings.HasPrefix(orig, "acct:") {
2290		orig = orig[5:]
2291	}
2292	name := orig
2293	idx := strings.LastIndexByte(name, '/')
2294	if idx != -1 {
2295		name = name[idx+1:]
2296		if fmt.Sprintf("https://%s/%s/%s", serverName, userSep, name) != orig {
2297			ilog.Printf("foreign request rejected")
2298			name = ""
2299		}
2300	} else {
2301		idx = strings.IndexByte(name, '@')
2302		if idx != -1 {
2303			name = name[:idx]
2304			if !(name+"@"+serverName == orig || name+"@"+masqName == orig) {
2305				ilog.Printf("foreign request rejected")
2306				name = ""
2307			}
2308		}
2309	}
2310	user, err := butwhatabout(name)
2311	if err != nil {
2312		return nil, false
2313	}
2314
2315	j := junk.New()
2316	j["subject"] = fmt.Sprintf("acct:%s@%s", user.Name, masqName)
2317	j["aliases"] = []string{user.URL}
2318	l := junk.New()
2319	l["rel"] = "self"
2320	l["type"] = `application/activity+json`
2321	l["href"] = user.URL
2322	j["links"] = []junk.Junk{l}
2323	return j.ToBytes(), true
2324}})
2325
2326func fingerlicker(w http.ResponseWriter, r *http.Request) {
2327	orig := r.FormValue("resource")
2328
2329	dlog.Printf("finger lick: %s", orig)
2330
2331	var j []byte
2332	ok := oldfingers.Get(orig, &j)
2333	if ok {
2334		w.Header().Set("Content-Type", "application/jrd+json")
2335		w.Write(j)
2336	} else {
2337		http.NotFound(w, r)
2338	}
2339}
2340
2341func somedays() string {
2342	secs := 432000 + notrand.Int63n(432000)
2343	return fmt.Sprintf("%d", secs)
2344}
2345
2346func lookatme(ava string) string {
2347	if strings.Contains(ava, serverName+"/"+userSep) {
2348		idx := strings.LastIndexByte(ava, '/')
2349		if idx < len(ava) {
2350			name := ava[idx+1:]
2351			user, _ := butwhatabout(name)
2352			if user != nil && user.URL == ava {
2353				return user.Options.Avatar
2354			}
2355		}
2356	}
2357	return ""
2358}
2359
2360func avatate(w http.ResponseWriter, r *http.Request) {
2361	if develMode {
2362		loadAvatarColors()
2363	}
2364	n := r.FormValue("a")
2365	if redir := lookatme(n); redir != "" {
2366		http.Redirect(w, r, redir, http.StatusSeeOther)
2367		return
2368	}
2369	a := genAvatar(n)
2370	if !develMode {
2371		w.Header().Set("Cache-Control", "max-age="+somedays())
2372	}
2373	w.Write(a)
2374}
2375
2376func serveviewasset(w http.ResponseWriter, r *http.Request) {
2377	serveasset(w, r, viewDir)
2378}
2379func servedataasset(w http.ResponseWriter, r *http.Request) {
2380	if r.URL.Path == "/favicon.ico" {
2381		r.URL.Path = "/icon.png"
2382	}
2383	serveasset(w, r, dataDir)
2384}
2385
2386func serveasset(w http.ResponseWriter, r *http.Request, basedir string) {
2387	if !develMode {
2388		w.Header().Set("Cache-Control", "max-age=7776000")
2389	}
2390	http.ServeFile(w, r, basedir+"/views"+r.URL.Path)
2391}
2392func servehelp(w http.ResponseWriter, r *http.Request) {
2393	name := mux.Vars(r)["name"]
2394	if !develMode {
2395		w.Header().Set("Cache-Control", "max-age=3600")
2396	}
2397	http.ServeFile(w, r, viewDir+"/docs/"+name)
2398}
2399func servehtml(w http.ResponseWriter, r *http.Request) {
2400	u := login.GetUserInfo(r)
2401	templinfo := getInfo(r)
2402	templinfo["AboutMsg"] = aboutMsg
2403	templinfo["LoginMsg"] = loginMsg
2404	templinfo["HonkVersion"] = softwareVersion
2405	if r.URL.Path == "/about" {
2406		templinfo["Sensors"] = getSensors()
2407	}
2408	if u == nil && !develMode {
2409		w.Header().Set("Cache-Control", "max-age=60")
2410	}
2411	err := readviews.Execute(w, r.URL.Path[1:]+".html", templinfo)
2412	if err != nil {
2413		elog.Print(err)
2414	}
2415}
2416func serveemu(w http.ResponseWriter, r *http.Request) {
2417	emu := mux.Vars(r)["emu"]
2418
2419	w.Header().Set("Cache-Control", "max-age="+somedays())
2420	http.ServeFile(w, r, dataDir+"/emus/"+emu)
2421}
2422func servememe(w http.ResponseWriter, r *http.Request) {
2423	meme := mux.Vars(r)["meme"]
2424
2425	w.Header().Set("Cache-Control", "max-age="+somedays())
2426	http.ServeFile(w, r, dataDir+"/memes/"+meme)
2427}
2428
2429func servefile(w http.ResponseWriter, r *http.Request) {
2430	xid := mux.Vars(r)["xid"]
2431	var media string
2432	var data []byte
2433	row := stmtGetFileData.QueryRow(xid)
2434	err := row.Scan(&media, &data)
2435	if err != nil {
2436		elog.Printf("error loading file: %s", err)
2437		http.NotFound(w, r)
2438		return
2439	}
2440	w.Header().Set("Content-Type", media)
2441	w.Header().Set("X-Content-Type-Options", "nosniff")
2442	w.Header().Set("Cache-Control", "max-age="+somedays())
2443	w.Write(data)
2444}
2445
2446func nomoroboto(w http.ResponseWriter, r *http.Request) {
2447	io.WriteString(w, "User-agent: *\n")
2448	io.WriteString(w, "Disallow: /a\n")
2449	io.WriteString(w, "Disallow: /d/\n")
2450	io.WriteString(w, "Disallow: /meme/\n")
2451	io.WriteString(w, "Disallow: /o\n")
2452	io.WriteString(w, "Disallow: /o/\n")
2453	io.WriteString(w, "Disallow: /help/\n")
2454	for _, u := range allusers() {
2455		fmt.Fprintf(w, "Disallow: /%s/%s/%s/\n", userSep, u.Username, honkSep)
2456	}
2457}
2458
2459type Hydration struct {
2460	Tophid    int64
2461	Srvmsg    template.HTML
2462	Honks     string
2463	MeCount   int64
2464	ChatCount int64
2465}
2466
2467func webhydra(w http.ResponseWriter, r *http.Request) {
2468	u := login.GetUserInfo(r)
2469	userid := u.UserID
2470	templinfo := getInfo(r)
2471	templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
2472	page := r.FormValue("page")
2473
2474	wanted, _ := strconv.ParseInt(r.FormValue("tophid"), 10, 0)
2475
2476	var hydra Hydration
2477
2478	var honks []*Honk
2479	switch page {
2480	case "atme":
2481		honks = gethonksforme(userid, wanted)
2482		honks = osmosis(honks, userid, false)
2483		menewnone(userid)
2484		hydra.Srvmsg = "at me!"
2485	case "longago":
2486		honks = gethonksfromlongago(userid, wanted)
2487		honks = osmosis(honks, userid, false)
2488		hydra.Srvmsg = "from long ago"
2489	case "home":
2490		honks = gethonksforuser(userid, wanted)
2491		honks = osmosis(honks, userid, true)
2492		hydra.Srvmsg = serverMsg
2493	case "first":
2494		honks = gethonksforuserfirstclass(userid, wanted)
2495		honks = osmosis(honks, userid, true)
2496		hydra.Srvmsg = "first class only"
2497	case "saved":
2498		honks = getsavedhonks(userid, wanted)
2499		templinfo["PageName"] = "saved"
2500		hydra.Srvmsg = "saved honks"
2501	case "combo":
2502		c := r.FormValue("c")
2503		honks = gethonksbycombo(userid, c, wanted)
2504		honks = osmosis(honks, userid, false)
2505		hydra.Srvmsg = templates.Sprintf("honks by combo: %s", c)
2506	case "convoy":
2507		c := r.FormValue("c")
2508		honks = gethonksbyconvoy(userid, c, wanted)
2509		honks = osmosis(honks, userid, false)
2510		honks = threadsort(honks)
2511		reversehonks(honks)
2512		hydra.Srvmsg = templates.Sprintf("honks in convoy: %s", c)
2513	case "honker":
2514		xid := r.FormValue("xid")
2515		honks = gethonksbyxonker(userid, xid, wanted)
2516		miniform := templates.Sprintf(`<form action="/submithonker" method="POST">
2517			<input type="hidden" name="CSRF" value="%s">
2518			<input type="hidden" name="url" value="%s">
2519			<button tabindex=1 name="add honker" value="add honker">add honker</button>
2520			</form>`, login.GetCSRF("submithonker", r), xid)
2521		msg := templates.Sprintf(`honks by honker: <a href="%s" ref="noreferrer">%s</a>%s`, xid, xid, miniform)
2522		hydra.Srvmsg = msg
2523	case "user":
2524		uname := r.FormValue("uname")
2525		honks = gethonksbyuser(uname, u != nil && u.Username == uname, wanted)
2526		hydra.Srvmsg = templates.Sprintf("honks by user: %s", uname)
2527	default:
2528		http.NotFound(w, r)
2529	}
2530
2531	if len(honks) > 0 {
2532		hydra.Tophid = honks[0].ID
2533	} else {
2534		hydra.Tophid = wanted
2535	}
2536	reverbolate(userid, honks)
2537
2538	user, _ := butwhatabout(u.Username)
2539
2540	var buf strings.Builder
2541	templinfo["Honks"] = honks
2542	templinfo["MapLink"] = getmaplink(u)
2543	templinfo["User"], _ = butwhatabout(u.Username)
2544	err := readviews.Execute(&buf, "honkfrags.html", templinfo)
2545	if err != nil {
2546		elog.Printf("frag error: %s", err)
2547		return
2548	}
2549	hydra.Honks = buf.String()
2550	hydra.MeCount = user.Options.MeCount
2551	hydra.ChatCount = user.Options.ChatCount
2552	w.Header().Set("Content-Type", "application/json")
2553	j, _ := jsonify(&hydra)
2554	io.WriteString(w, j)
2555}
2556
2557var honkline = make(chan bool)
2558
2559func honkhonkline() {
2560	for {
2561		select {
2562		case honkline <- true:
2563		default:
2564			return
2565		}
2566	}
2567}
2568
2569func apihandler(w http.ResponseWriter, r *http.Request) {
2570	u := login.GetUserInfo(r)
2571	userid := u.UserID
2572	action := r.FormValue("action")
2573	wait, _ := strconv.ParseInt(r.FormValue("wait"), 10, 0)
2574	dlog.Printf("api request '%s' on behalf of %s", action, u.Username)
2575	switch action {
2576	case "honk":
2577		h := submithonk(w, r)
2578		if h == nil {
2579			return
2580		}
2581		fmt.Fprintf(w, "%s", h.XID)
2582	case "donk":
2583		donks, err := submitdonk(w, r)
2584		if err != nil {
2585			http.Error(w, err.Error(), http.StatusBadRequest)
2586			return
2587		}
2588		if len(donks) == 0 {
2589			http.Error(w, "missing donk", http.StatusBadRequest)
2590			return
2591		}
2592		d := donks[0]
2593		donkxid := fmt.Sprintf("%s:%d", d.XID, d.FileID)
2594		w.Write([]byte(donkxid))
2595	case "zonkit":
2596		zonkit(w, r)
2597	case "gethonks":
2598		var honks []*Honk
2599		wanted, _ := strconv.ParseInt(r.FormValue("after"), 10, 0)
2600		page := r.FormValue("page")
2601		var waitchan <-chan time.Time
2602	requery:
2603		switch page {
2604		case "atme":
2605			honks = gethonksforme(userid, wanted)
2606			honks = osmosis(honks, userid, false)
2607			menewnone(userid)
2608		case "longago":
2609			honks = gethonksfromlongago(userid, wanted)
2610			honks = osmosis(honks, userid, false)
2611		case "home":
2612			honks = gethonksforuser(userid, wanted)
2613			honks = osmosis(honks, userid, true)
2614		case "myhonks":
2615			honks = gethonksbyuser(u.Username, true, wanted)
2616			honks = osmosis(honks, userid, true)
2617		default:
2618			http.Error(w, "unknown page", http.StatusNotFound)
2619			return
2620		}
2621		if len(honks) == 0 && wait > 0 {
2622			if waitchan == nil {
2623				waitchan = time.After(time.Duration(wait) * time.Second)
2624			}
2625			select {
2626			case <-honkline:
2627				goto requery
2628			case <-waitchan:
2629			}
2630		}
2631		reverbolate(userid, honks)
2632		j := junk.New()
2633		j["honks"] = honks
2634		j.Write(w)
2635	case "sendactivity":
2636		user, _ := butwhatabout(u.Username)
2637		public := r.FormValue("public") == "1"
2638		rcpts := boxuprcpts(user, r.Form["rcpt"], public)
2639		msg := []byte(r.FormValue("msg"))
2640		for rcpt := range rcpts {
2641			go deliverate(userid, rcpt, msg)
2642		}
2643	case "gethonkers":
2644		j := junk.New()
2645		j["honkers"] = gethonkers(u.UserID)
2646		j.Write(w)
2647	case "savehonker":
2648		h := submithonker(w, r)
2649		if h == nil {
2650			return
2651		}
2652		fmt.Fprintf(w, "%d", h.ID)
2653	default:
2654		http.Error(w, "unknown action", http.StatusNotFound)
2655		return
2656	}
2657}
2658
2659func fiveoh(w http.ResponseWriter, r *http.Request) {
2660	if !develMode {
2661		return
2662	}
2663	fd, err := os.OpenFile("violations.json", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
2664	if err != nil {
2665		elog.Printf("error opening violations! %s", err)
2666		return
2667	}
2668	defer fd.Close()
2669	io.Copy(fd, r.Body)
2670	fd.WriteString("\n")
2671}
2672
2673var endoftheworld = make(chan bool)
2674var readyalready = make(chan bool)
2675var workinprogress = 0
2676
2677func enditall() {
2678	sig := make(chan os.Signal, 1)
2679	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
2680	<-sig
2681	ilog.Printf("stopping...")
2682	for i := 0; i < workinprogress; i++ {
2683		endoftheworld <- true
2684	}
2685	ilog.Printf("waiting...")
2686	for i := 0; i < workinprogress; i++ {
2687		<-readyalready
2688	}
2689	ilog.Printf("apocalypse")
2690	os.Exit(0)
2691}
2692
2693var preservehooks []func()
2694
2695func bgmonitor() {
2696	for {
2697		when := time.Now().Add(-3 * 24 * time.Hour).UTC().Format(dbtimeformat)
2698		_, err := stmtDeleteOldXonkers.Exec("pubkey", when)
2699		if err != nil {
2700			elog.Printf("error deleting old xonkers: %s", err)
2701		}
2702		zaggies.Flush()
2703		time.Sleep(50 * time.Minute)
2704	}
2705}
2706
2707func addcspheaders(next http.Handler) http.Handler {
2708	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
2709		policy := "default-src 'none'; script-src 'self'; connect-src 'self'; style-src 'self'; img-src 'self'; media-src 'self'"
2710		if develMode {
2711			policy += "; report-uri /csp-violation"
2712		}
2713		w.Header().Set("Content-Security-Policy", policy)
2714		next.ServeHTTP(w, r)
2715	})
2716}
2717
2718func emuinit() {
2719	var emunames []string
2720	dir, err := os.Open(dataDir + "/emus")
2721	if err == nil {
2722		emunames, _ = dir.Readdirnames(0)
2723		dir.Close()
2724	}
2725	for _, e := range emunames {
2726		if len(e) <= 4 {
2727			continue
2728		}
2729		ext := e[len(e)-4:]
2730		emu := Emu{
2731			ID:   fmt.Sprintf("/emu/%s", e),
2732			Name: e[:len(e)-4],
2733			Type: "image/" + ext[1:],
2734		}
2735		allemus = append(allemus, emu)
2736	}
2737	sort.Slice(allemus, func(i, j int) bool {
2738		return allemus[i].Name < allemus[j].Name
2739	})
2740}
2741
2742var savedassetparams = make(map[string]string)
2743
2744func getassetparam(file string) string {
2745	if p, ok := savedassetparams[file]; ok {
2746		return p
2747	}
2748	data, err := os.ReadFile(file)
2749	if err != nil {
2750		return ""
2751	}
2752	hasher := sha512.New()
2753	hasher.Write(data)
2754
2755	return fmt.Sprintf("?v=%.8x", hasher.Sum(nil))
2756}
2757
2758var usefcgi bool
2759
2760func serve() {
2761	db := opendatabase()
2762	login.Init(login.InitArgs{Db: db, Logger: ilog, Insecure: develMode, SameSiteStrict: !develMode})
2763
2764	listener, err := openListener()
2765	if err != nil {
2766		elog.Fatal(err)
2767	}
2768	runBackendServer()
2769	go enditall()
2770	go redeliverator()
2771	go tracker()
2772	go bgmonitor()
2773	go qotd()
2774	loadLingo()
2775	emuinit()
2776
2777	readviews = templates.Load(develMode,
2778		viewDir+"/views/honkpage.html",
2779		viewDir+"/views/honkfrags.html",
2780		viewDir+"/views/honkers.html",
2781		viewDir+"/views/chatter.html",
2782		viewDir+"/views/hfcs.html",
2783		viewDir+"/views/combos.html",
2784		viewDir+"/views/honkform.html",
2785		viewDir+"/views/honk.html",
2786		viewDir+"/views/account.html",
2787		viewDir+"/views/about.html",
2788		viewDir+"/views/funzone.html",
2789		viewDir+"/views/login.html",
2790		viewDir+"/views/xzone.html",
2791		viewDir+"/views/msg.html",
2792		viewDir+"/views/header.html",
2793		viewDir+"/views/onts.html",
2794		viewDir+"/views/emus.html",
2795		viewDir+"/views/honkpage.js",
2796	)
2797	if !develMode {
2798		assets := []string{
2799			viewDir + "/views/style.css",
2800			dataDir + "/views/local.css",
2801			viewDir + "/views/honkpage.js",
2802			viewDir + "/views/misc.js",
2803			dataDir + "/views/local.js",
2804		}
2805		for _, s := range assets {
2806			savedassetparams[s] = getassetparam(s)
2807		}
2808		loadAvatarColors()
2809	}
2810
2811	for _, h := range preservehooks {
2812		h()
2813	}
2814
2815	mux := mux.NewRouter()
2816	mux.Use(addcspheaders)
2817	mux.Use(login.Checker)
2818
2819	mux.Handle("/api", login.TokenRequired(http.HandlerFunc(apihandler)))
2820
2821	posters := mux.Methods("POST").Subrouter()
2822	getters := mux.Methods("GET").Subrouter()
2823
2824	getters.HandleFunc("/", homepage)
2825	getters.HandleFunc("/home", homepage)
2826	getters.HandleFunc("/front", homepage)
2827	getters.HandleFunc("/events", homepage)
2828	getters.HandleFunc("/robots.txt", nomoroboto)
2829	getters.HandleFunc("/rss", showrss)
2830	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}", showuser)
2831	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/"+honkSep+"/{xid:[\\pL[:digit:]]+}", showonehonk)
2832	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/rss", showrss)
2833	posters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/inbox", inbox)
2834	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/outbox", outbox)
2835	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/followers", emptiness)
2836	getters.HandleFunc("/"+userSep+"/{name:[\\pL[:digit:]]+}/following", emptiness)
2837	getters.HandleFunc("/a", avatate)
2838	getters.HandleFunc("/o", thelistingoftheontologies)
2839	getters.HandleFunc("/o/{name:.+}", showontology)
2840	getters.HandleFunc("/d/{xid:[\\pL[:digit:].]+}", servefile)
2841	getters.HandleFunc("/emu/{emu:[^.]*[^/]+}", serveemu)
2842	getters.HandleFunc("/meme/{meme:[^.]*[^/]+}", servememe)
2843	getters.HandleFunc("/.well-known/webfinger", fingerlicker)
2844
2845	getters.HandleFunc("/flag/{code:.+}", showflag)
2846
2847	getters.HandleFunc("/server", serveractor)
2848	posters.HandleFunc("/server/inbox", serverinbox)
2849	posters.HandleFunc("/inbox", serverinbox)
2850
2851	posters.HandleFunc("/csp-violation", fiveoh)
2852
2853	getters.HandleFunc("/style.css", serveviewasset)
2854	getters.HandleFunc("/honkpage.js", serveviewasset)
2855	getters.HandleFunc("/misc.js", serveviewasset)
2856	getters.HandleFunc("/local.css", servedataasset)
2857	getters.HandleFunc("/local.js", servedataasset)
2858	getters.HandleFunc("/icon.png", servedataasset)
2859	getters.HandleFunc("/favicon.ico", servedataasset)
2860
2861	getters.HandleFunc("/about", servehtml)
2862	getters.HandleFunc("/login", servehtml)
2863	posters.HandleFunc("/dologin", login.LoginFunc)
2864	getters.HandleFunc("/logout", login.LogoutFunc)
2865	getters.HandleFunc("/help/{name:[\\pL[:digit:]_.-]+}", servehelp)
2866
2867	loggedin := mux.NewRoute().Subrouter()
2868	loggedin.Use(login.Required)
2869	loggedin.HandleFunc("/first", homepage)
2870	loggedin.HandleFunc("/chatter", showchatter)
2871	loggedin.Handle("/sendchonk", login.CSRFWrap("sendchonk", http.HandlerFunc(submitchonk)))
2872	loggedin.HandleFunc("/saved", homepage)
2873	loggedin.HandleFunc("/account", accountpage)
2874	loggedin.HandleFunc("/funzone", showfunzone)
2875	loggedin.HandleFunc("/chpass", dochpass)
2876	loggedin.HandleFunc("/atme", homepage)
2877	loggedin.HandleFunc("/longago", homepage)
2878	loggedin.HandleFunc("/hfcs", hfcspage)
2879	loggedin.HandleFunc("/xzone", xzone)
2880	loggedin.HandleFunc("/newhonk", newhonkpage)
2881	loggedin.HandleFunc("/edit", edithonkpage)
2882	loggedin.Handle("/honk", login.CSRFWrap("honkhonk", http.HandlerFunc(websubmithonk)))
2883	loggedin.Handle("/bonk", login.CSRFWrap("honkhonk", http.HandlerFunc(submitbonk)))
2884	loggedin.Handle("/zonkit", login.CSRFWrap("honkhonk", http.HandlerFunc(zonkit)))
2885	loggedin.Handle("/savehfcs", login.CSRFWrap("filter", http.HandlerFunc(savehfcs)))
2886	loggedin.Handle("/saveuser", login.CSRFWrap("saveuser", http.HandlerFunc(saveuser)))
2887	loggedin.Handle("/ximport", login.CSRFWrap("ximport", http.HandlerFunc(ximport)))
2888	loggedin.HandleFunc("/honkers", showhonkers)
2889	loggedin.HandleFunc("/h/{name:[\\pL[:digit:]_.-]+}", showhonker)
2890	loggedin.HandleFunc("/h", showhonker)
2891	loggedin.HandleFunc("/c/{name:[\\pL[:digit:]_.-]+}", showcombo)
2892	loggedin.HandleFunc("/c", showcombos)
2893	loggedin.HandleFunc("/t", showconvoy)
2894	loggedin.HandleFunc("/q", showsearch)
2895	loggedin.HandleFunc("/hydra", webhydra)
2896	loggedin.HandleFunc("/emus", showemus)
2897	loggedin.Handle("/submithonker", login.CSRFWrap("submithonker", http.HandlerFunc(websubmithonker)))
2898
2899	if usefcgi {
2900		err = fcgi.Serve(listener, mux)
2901	} else {
2902		err = http.Serve(listener, mux)
2903	}
2904
2905	err = http.Serve(listener, mux)
2906	if err != nil {
2907		elog.Fatal(err)
2908	}
2909}