improvements

caddyhugo.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
-	"os/exec"
+	"path"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -12,25 +12,81 @@ import (
 	"git.stephensearles.com/stephen/acedoc"
 	"git.stephensearles.com/stephen/caddy-hugo2/comments"
 	"git.stephensearles.com/stephen/caddy-hugo2/media"
+	"go.uber.org/zap"
 
+	"github.com/caddyserver/caddy/v2"
+	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
+	"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
+	"github.com/caddyserver/caddy/v2/modules/caddyhttp"
 	"github.com/gohugoio/hugo/deps"
 	"github.com/gohugoio/hugo/hugolib"
-	"github.com/mholt/caddy"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 	"github.com/spf13/afero"
 )
 
 func init() {
-	caddy.RegisterPlugin("hugo", caddy.Plugin{
+	caddy.RegisterModule(&CaddyHugo{})
-		ServerType: "http",
+	httpcaddyfile.RegisterHandlerDirective("hugo", parseCaddyfile)
-		Action:     SetupCaddy,
-	})
 }
 
-// CaddyHugo implements the plugin
+type SiteConfig struct {
+	Hosts            []string
+	Root             string
+	CommentsEnabled  bool
+	CommentsPassword string
+}
+
+func (m *CaddyHugo) CaddyModule() caddy.ModuleInfo {
+	return caddy.ModuleInfo{
+		ID:  "http.handlers.hugo",
+		New: func() caddy.Module { return new(CaddyHugo) },
+	}
+}
+
+func (m *CaddyHugo) Provision(ctx caddy.Context) error {
+	m.logger = ctx.Logger(m)
+
+	if m.Site.CommentsEnabled {
+		m.Comments = comments.WithStorage(comments.NewDiskv(path.Join(m.Site.Root, "comments")))
+	}
+
+	// TODO: not sure where m.Site is getting populated.
+	// m.Site.Root looks to be the working directory of caddy but it needs to be the directory of the site
+	root, err := filepath.Abs(m.Site.Root)
+	if err != nil {
+		return err
+	}
+
+	err = m.Setup(root)
+	if err != nil {
+		return err
+	}
+
+	ctx.OnCancel(func() {
+		m.persistAllEdits()
+	})
+
+	m.commentsSetting()
+	return nil
+}
+
+// UnmarshalCaddyfile implements caddyfile.Unmarshaler.
+func (s *SiteConfig) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
+	for d.NextBlock(0) {
+		if d.Val() == "comments" {
+			if d.NextArg() {
+				s.CommentsPassword = d.Val()
+			}
+		}
+	}
+	return nil
+}
+
+// CaddyHugo implements the plugin for a single site
 type CaddyHugo struct {
+	logger *zap.Logger
+
 	ServerType string
-	Site       *httpserver.SiteConfig
+	Site       SiteConfig
 	HugoSites  *hugolib.HugoSites
 	HugoCfg    *deps.DepsCfg
 
@@ -48,14 +104,20 @@ type CaddyHugo struct {
 	confirmingToClient map[uint64]struct{}
 }
 
+func (ch *CaddyHugo) log(msg string, args ...interface{}) {
+	all := make([]any, len(args)+1)
+	all[0] = msg
+	copy(all[1:], args)
+	ch.logger.Info(fmt.Sprint(all...))
+}
+
+func (ch *CaddyHugo) logf(msg string, args ...interface{}) {
+	ch.logger.Info(fmt.Sprintf(msg, args...))
+}
+
 // Build rebuilds the cached state of the site. TODO: determine if this republishes
 func (ch *CaddyHugo) Build() error {
-	err := ch.HugoSites.Build(hugolib.BuildCfg{ResetState: true})
+	return buildSite(ch.HugoSites)
-	if err != nil {
-		return fmt.Errorf("error building hugo sites: %v", err)
-	}
-
-	return nil
 }
 
 // BasePath returns the directory that the CaddyHugo internal/author pages are under
@@ -72,22 +134,6 @@ func (ch *CaddyHugo) docFilename(orig string) string {
 	return filepath.Join(ch.Dir, docname(orig))
 }
 
-// Publish really renders new content into the public directory
-func (ch *CaddyHugo) Publish() error {
-	err := ch.persistAllEdits()
-	if err != nil {
-		return err
-	}
-	cmd := exec.Command("hugo")
-	cmd.Dir = ch.Dir
-	_, err = cmd.CombinedOutput()
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 // TmplData collects data for template execution
 func (ch *CaddyHugo) TmplData(r *http.Request, docref *editSession) interface{} {
 	var doc *acedoc.Document
@@ -101,3 +147,14 @@ func (ch *CaddyHugo) TmplData(r *http.Request, docref *editSession) interface{}
 	}
 	return &tmplData{ch.Site, r, ch, doc, docref}
 }
+
+// parseCaddyfile unmarshals tokens from h into a new Middleware.
+func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
+	var m CaddyHugo
+	err := m.Site.UnmarshalCaddyfile(h.Dispenser)
+	return &m, err
+}
+
+var (
+	_ caddy.Provisioner = (*CaddyHugo)(nil)
+)

client.go

@@ -38,11 +38,13 @@ func (ch *CaddyHugo) newEditSession(docName string) (*editSession, error) {
 		return nil, err
 	}
 
+	tmpfs := afero.NewCopyOnWriteFs(afero.NewOsFs(), afero.NewMemMapFs())
+
 	es := &editSession{
 		docname:  docName,
 		filename: filename,
 		doc:      acedoc.NewString(string(contents)),
-		tmpfs:    afero.NewCopyOnWriteFs(afero.NewOsFs(), afero.NewMemMapFs()),
+		tmpfs:    tmpfs,
 	}
 
 	err = es.doc.LogToFile(path.Join(ch.Dir, "logs", docName))

content.go

@@ -64,10 +64,10 @@ func GetContent(siteRoot string, sites *hugolib.HugoSites) ([]Content, error) {
 		page := sites.GetContentPage(fn)
 		if page != nil {
 			files[i].Metadata = &Metadata{
-				Title:   page.Title,
+				Title:   page.Title(),
 				Path:    file.Filename,
-				Date:    page.Date,
+				Date:    page.Date(),
-				Lastmod: page.Lastmod,
+				Lastmod: page.Lastmod(),
 			}
 		}
 	}
@@ -98,6 +98,7 @@ func (ch *CaddyHugo) NewContent(name, ctype string) (string, error) {
 	if os.IsNotExist(err) {
 		cmd := exec.Command("hugo", "new", filename)
 		cmd.Dir = ch.Dir
+		ch.logf("running `hugo new` in %v", ch.Dir)
 		out, err := cmd.CombinedOutput()
 		if err != nil {
 			return filename, fmt.Errorf("error running 'hugo new': %v; %v", err, string(out))

deltas.go

@@ -35,16 +35,6 @@ func (ch *CaddyHugo) LTime() uint64 {
 }
 
 func (ch *CaddyHugo) ShouldApply(ltime uint64) bool {
-	lowest := ch.LowestPendingConfirmation()
-	for _, c := range ch.Confirming() {
-		if lowest == 0 || c < lowest {
-			lowest = c
-		}
-	}
-
-	if ltime < lowest {
-		return false
-	}
 
 	ch.mtx.Lock()
 	defer ch.mtx.Unlock()
@@ -56,12 +46,15 @@ func (ch *CaddyHugo) ShouldApply(ltime uint64) bool {
 	return true
 }
 
+// ConfirmLTime marks an ltime as something that should be confirmed with clients
 func (ch *CaddyHugo) ConfirmLTime(ltime uint64) {
 	ch.mtx.Lock()
 	defer ch.mtx.Unlock()
 	ch.confirmingToClient[ltime] = struct{}{}
 }
 
+// Confirming returns the current list of LTimes that need to be confirmed
+// to clients
 func (ch *CaddyHugo) Confirming() []uint64 {
 	var times []uint64
 
@@ -74,6 +67,8 @@ func (ch *CaddyHugo) Confirming() []uint64 {
 	return times
 }
 
+// LowestPendingConfirmation identifies the lowest LTime that needs to be
+// confirmed to clients
 func (ch *CaddyHugo) LowestPendingConfirmation() uint64 {
 	var lowest uint64
 	for _, c := range ch.Confirming() {
@@ -95,7 +90,7 @@ func (ch *CaddyHugo) ClearConfirmed(lowestPending uint64) {
 	}
 }
 
-func (ch *CaddyHugo) DeltaWebsocket(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) DeltaWebsocket(w http.ResponseWriter, r *http.Request) error {
 	var upgrader = websocket.Upgrader{
 		ReadBufferSize:  1024,
 		WriteBufferSize: 1024,
@@ -104,7 +99,7 @@ func (ch *CaddyHugo) DeltaWebsocket(w http.ResponseWriter, r *http.Request) (int
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
 		fmt.Println(err)
-		return http.StatusBadRequest, err
+		return err
 	}
 
 	conn.SetReadDeadline(time.Time{})
@@ -112,7 +107,7 @@ func (ch *CaddyHugo) DeltaWebsocket(w http.ResponseWriter, r *http.Request) (int
 	doc, err := ch.editSession(docNameFromEditRequest(r))
 	if err != nil {
 		fmt.Println(err)
-		return http.StatusBadRequest, err
+		return err
 	}
 
 	return ch.handleDeltaConn(conn, doc)
@@ -127,7 +122,7 @@ func (ch *CaddyHugo) Message(deltas ...acedoc.Delta) Message {
 	}
 }
 
-func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, error) {
+func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) error {
 	const idlePing = 15 * time.Second
 	const idlePingShort = 1 * time.Millisecond
 
@@ -181,10 +176,11 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 				errCh <- fmt.Errorf("error reading message from client conn: %v", err)
 				return
 			}
+			if message.LTime != 0 {
 				ch.ObserveLTime(message.LTime)
+			}
 
 			if len(message.Deltas) == 0 {
-				time.Sleep(10 * time.Microsecond)
 				continue
 			}
 
@@ -214,7 +210,7 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 		select {
 		case err := <-errCh:
 			fmt.Println("error handling websocket connection:", err)
-			return 500, err
+			return err
 		default:
 		}
 
@@ -227,7 +223,7 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 		case <-wroteMessagesCh:
 			resetTimer(idlePing)
 		case <-doneCh:
-			return 200, nil
+			return nil
 		}
 	}
 }

doc_test.go

@@ -1,10 +1,6 @@
 package caddyhugo
 
 import (
-	"encoding/json"
-	"io/ioutil"
-	"os"
-	"os/exec"
 	"path"
 	"sync"
 	"testing"
@@ -13,136 +9,70 @@ import (
 	"git.stephensearles.com/stephen/acedoc"
 )
 
-type World struct {
-	CH         *CaddyHugo
-	BlogFolder string
-}
-
-func (w *World) Clean() {
-	if w.BlogFolder != "" {
-		os.RemoveAll(w.BlogFolder)
-	}
-}
-
-func NewWorld(t *testing.T) *World {
-	dir, err := ioutil.TempDir("", "caddy-hugo2-test-")
-	if err != nil {
-		t.Fatalf("error initializing test environment: %v", err)
-	}
-
-	w := &World{BlogFolder: dir}
-
-	cmd := exec.Command("hugo", "new", "site", dir)
-	cmd.Dir = dir
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		t.Fatalf("error initializing test site: %v\n\n%v", err, string(out))
-	}
-
-	w.CH = &CaddyHugo{}
-	w.CH.Setup(dir)
-
-	return w
-}
-
 func TestEdits(t *testing.T) {
 	w := NewWorld(t)
 	defer w.Clean()
 
 	const title = "sometitle"
-	var contentPath = path.Join("content", title+".md")
 
-	w.CH.NewContent(title, "")
+	var (
+		mtx sync.Mutex
 
-	send := []acedoc.Delta{
+		contentPath = path.Join("content", title+".md")
+
+		// we will send these to the doc
+		send = []acedoc.Delta{
 			acedoc.Insert(0, 0, "hello"),
 			acedoc.Insert(0, 5, " world"),
 			acedoc.Insert(0, 11, " world"),
 		}
-	var mtx sync.Mutex
-	received := []acedoc.Delta{}
 
-	doc, err := w.CH.editSession(contentPath)
+		// we will use this to track what we get out of the doc
+		received = []acedoc.Delta{}
+	)
+
+	// prepare a new post
+	w.CH.NewContent(title, "")
+
+	// start an edit session
+	es, err := w.CH.editSession(contentPath)
 	if err != nil {
 		t.Fatal("error creating document client:", err)
 	}
 
-	doc.doc.Client(acedoc.DeltaHandlerFunc(func(ds []acedoc.Delta) error {
+	// register a client that we will use to push the deltas. we dont need
-		// receive some deltas...
+	// to actually do anything to receive deltas here, though.
+	c := es.doc.Client(acedoc.DeltaHandlerFunc(func(ds []acedoc.Delta) error {
+		return nil
+	}))
+
+	// register an *extra* client that just adds to the received delta
+	// slice we're tracking
+	es.doc.Client(acedoc.DeltaHandlerFunc(func(ds []acedoc.Delta) error {
 		mtx.Lock()
 		defer mtx.Unlock()
 		received = append(received, ds...)
 		return nil
 	}))
 
+	// make sure we have an edit session
 	_, ok := w.CH.hasEditSession(contentPath)
 	if !ok {
 		t.Fatal("expected there to be an established client")
 	}
 
-	doc.doc.Apply(send...)
+	// push the deltas
+	c.PushDeltas(send...)
 
+	// wait...
 	<-time.After(5 * time.Second)
 
+	// be sure we got the correct number of deltas back
 	mtx.Lock()
 	defer mtx.Unlock()
 	if len(received) != len(send) {
 		t.Errorf("expected %d deltas, received %d; expected: %v, received: %v", len(send), len(received), send, received)
 	}
-
-}
-
-type WebsocketTester struct {
-	receivedPointer int
-	received        [][]byte
-	wroteMessages   []Message
-	wroteDeltas     []acedoc.Delta
-	mtx             sync.Mutex
-}
-
-func (ws *WebsocketTester) ReadJSON(v interface{}) error {
-	ws.mtx.Lock()
-	defer ws.mtx.Unlock()
-
-	if len(ws.received) <= ws.receivedPointer {
-		return nil
-	}
-
-	err := json.Unmarshal(ws.received[ws.receivedPointer], v)
-	ws.receivedPointer++
-	return err
-}
-
-func (ws *WebsocketTester) WriteJSON(v interface{}) error {
-	ws.mtx.Lock()
-	defer ws.mtx.Unlock()
-
-	m, ok := v.(Message)
-	if !ok {
-		panic("wrong type written to WebsocketTester")
-	}
-
-	if len(m.Deltas) == 0 {
-		return nil
-	}
-
-	ws.wroteMessages = append(ws.wroteMessages, m)
-	ws.wroteDeltas = append(ws.wroteDeltas, m.Deltas...)
-
-	return nil
-}
-
-func (ws *WebsocketTester) ReceiveJSON(v interface{}) error {
-	ws.mtx.Lock()
-	defer ws.mtx.Unlock()
-
-	out, err := json.Marshal(v)
-	if err != nil {
-		return err
-	}
-
-	ws.received = append(ws.received, out)
-	return nil
 }
 
 func TestDeltasSingle(t *testing.T) {
@@ -158,12 +88,12 @@ func TestDeltasSingle(t *testing.T) {
 
 	client := new(WebsocketTester)
 
-	doc, err := w.CH.editSession("content/" + title + ".md")
+	es, err := w.CH.editSession("content/" + title + ".md")
 	if err != nil {
 		t.Fatal("couldn't establish docref for client 0:", err)
 	}
 
-	go w.CH.handleDeltaConn(client, doc)
+	go w.CH.handleDeltaConn(client, es)
 
 	a := acedoc.Insert(0, 0, "a")
 
@@ -174,9 +104,11 @@ func TestDeltasSingle(t *testing.T) {
 	time.Sleep(50 * time.Millisecond)
 
 	// we shouldn't have written back to the client,
-	// so we expect to have written 0 messages
+	// so we expect to have written 0 *deltas*. (we may have written
-	if len(client.wroteMessages) != 0 {
+	// empty messages without deltas because of the pings to the client)
-		t.Errorf("client wrote %d messages, should have written %d", len(client.wroteMessages), 0)
+	if len(client.wroteDeltas) != 0 {
+		t.Errorf("client wrote %d deltas, should have written %d", len(client.wroteMessages), 0)
+		t.Logf("%v", client.wroteMessages)
 	}
 
 	// we received one, so make sure that's counted properly
@@ -217,7 +149,7 @@ func TestDeltasDouble(t *testing.T) {
 
 	// so we expect clientA to have written 0 messages, and
 	// clientB to have written 1
-	if len(clientA.wroteMessages) != 0 || len(clientB.wroteMessages) != 1 {
+	if len(clientA.wroteDeltas) != 0 || len(clientB.wroteDeltas) != 1 {
 		t.Errorf("clientA wrote %d messages, should have written 0. clientB wrote %d, should have written 1", len(clientA.wroteMessages), len(clientB.wroteMessages))
 	}
 
@@ -238,9 +170,9 @@ func TestDeltasDouble(t *testing.T) {
 	clientA.mtx.Lock()
 	clientB.mtx.Lock()
 
-	// so we expect clientA to have written 1 message this time, and
+	// so we expect clientA to have written 1 delta this time, and
 	// clientB to have written nothing new, so 1 still
-	if len(clientA.wroteMessages) != 1 || len(clientB.wroteMessages) != 1 {
+	if len(clientA.wroteDeltas) != 1 || len(clientB.wroteDeltas) != 1 {
 		t.Errorf("clientA wrote %d messages, should have written 1. clientB wrote %d, should have written 1 (just from before)", len(clientA.wroteMessages), len(clientB.wroteMessages))
 	}
 
@@ -268,13 +200,15 @@ func TestDeltasMulti(t *testing.T) {
 
 	doc, err := w.CH.editSession("content/" + title + ".md")
 	if err != nil {
-		t.Fatal("couldn't establish docref:", err)
+		t.Fatal("couldn't establish edit session:", err)
 	}
 
 	go w.CH.handleDeltaConn(clients[0], doc)
 	go w.CH.handleDeltaConn(clients[1], doc)
 	go w.CH.handleDeltaConn(clients[2], doc)
 
+	time.Sleep(100 * time.Millisecond)
+
 	a := acedoc.Insert(0, 0, "a")
 	b := acedoc.Insert(0, 0, "b")
 	c := acedoc.Insert(0, 0, "c")
@@ -283,12 +217,12 @@ func TestDeltasMulti(t *testing.T) {
 	clients[1].ReceiveJSON(w.CH.Message(b))
 	clients[2].ReceiveJSON(w.CH.Message(c))
 
-	time.Sleep(400 * time.Millisecond)
+	time.Sleep(1000 * time.Millisecond)
 
 	for i, client := range clients {
 		client.mtx.Lock()
-		// all clients should have "written" 2 deltas (could be the same
+		// all clients should have "written" 2 deltas out to their "browser"
-		// message) that came from the other clients
+		// that came from the other clients
 		if len(client.wroteDeltas) != 2 {
 			t.Errorf("client %d wrote %d deltas, should have written 2", i, len(client.wroteDeltas))
 		}

frontend/templates.go

@@ -0,0 +1,30 @@
+package frontend
+
+import "embed"
+
+//go:embed templates
+var templates embed.FS
+
+func readFilename(filename string) string {
+	f, err := templates.ReadFile(filename)
+	if err != nil {
+		panic(err)
+	}
+	return string(f)
+}
+
+func EditPage() string {
+	return readFilename("templates/edit.html.tmpl")
+}
+
+func AdminPage() string {
+	return readFilename("templates/admin.html.tmpl")
+}
+
+func AuthorPage() string {
+	return readFilename("templates/author.html.tmpl")
+}
+
+func UploadPage() string {
+	return readFilename("templates/upload.html.tmpl")
+}

frontend/templates/admin.html.tmpl

@@ -0,0 +1 @@
+<html><body>not implemented</body></html>

frontend/templates/author.html.tmpl

@@ -0,0 +1,44 @@
+<html>
+<head>
+</head>
+<body>
+{{ $timeFormat := "Jan _2 15:04:05" }}
+	<p>Create content:</p>
+	<form action="/hugo/edit/new" method="POST">
+		<label>Name: <input type="text" name="name" /></label>
+		<select name="type">
+		    {{- range .ContentTypes }}
+			<option value="{{ . }}">{{ . }}</option>
+		    {{- end }}
+		</select>
+		<input type="submit" />
+	</form>
+
+	<p>Edit content:</p>
+	<table>{{ range .Content }}
+	<tr>
+		{{ if .Metadata }}
+			<td>
+				<a href="/hugo/edit/{{ .Filename }}">
+				{{ .Metadata.Title }}
+				</a>
+			</td>
+			<td>
+				{{ .Metadata.Date.Format $timeFormat }}
+				{{ if not (.Metadata.Lastmod.Equal .Metadata.Date) }}
+				(last modified {{.Metadata.Lastmod.Format $timeFormat }})
+				{{end}}
+			</td>
+		{{ else }}
+			<td>
+				<a href="/hugo/edit/{{ .Filename }}">
+				{{ .Filename }}
+				</a>
+			</td>
+			<td>(unable to load metadata)</td>
+		{{ end }}
+	</tr>
+	{{- end }}
+	</table>
+</body>
+</html>

frontend/templates/edit.html.tmpl

@@ -0,0 +1,316 @@
+<html>
+<head>
+<script src="/hugo/simplemde.js"></script>
+<style type="text/css" media="screen">
+#editor-wrapper { 
+	position: absolute;
+	top: 50px;
+	right: 0;
+	bottom: 150px;
+	left: 40%;
+}
+#draft {
+	position: absolute;
+	top: 50px;
+	right: 60%;
+	bottom: 0;
+	left: 0;
+
+}
+#draft > iframe {
+	height: 100%;
+	width: 100%;
+	border: none;
+}
+a {
+	text-decoration: underline;
+	text-decoration-style: dotted;
+	cursor: pointer;
+}
+</style>
+<link rel="stylesheet" href="/hugo/simplemde.css" />
+<script src="/hugo/vue.js"></script>
+<script src="/hugo/moment.js"></script>
+
+
+<body>
+<div id="container" >
+	<div id="header">
+		<div id="lastSaved">
+			<span v-if="sendQueue.length > 0 || Object.keys(needConfirmation).length > 0">last saved ${ lastSaved.from(now) }, saving</span>
+			<span v-else>saved</span>
+			<span v-if="connectionError">, ${connectionError}</span>
+		</div>
+		<div>
+			<a id="sideview-toggle-media">media</a>
+			<a id="sideview-toggle-draft">draft</a>
+		</div>
+	</div>
+	<div id="editor-wrapper">
+		<textarea id="editor">{{ .LoadContent }}</textarea>
+	</div>
+	<div id="draft"><iframe src="{{ .IframeSource }}">Loading draft...</iframe></div>
+</div>
+<script>
+
+    var iframe = document.querySelector("#draft > iframe");
+
+    document.onclick = function (event) {
+	    var iframe = document.querySelector("#draft > iframe");
+	    switch (event.target.id) {
+	    case "sideview-toggle-media":
+		    iframe.src = "/hugo/media";
+		    break;
+	    case "sideview-toggle-draft":
+		    iframe.src = "{{ .IframeSource }}";
+		    break;
+	    }
+    }
+
+    var uiBindings = {
+	    ltime: {{ .LTime }},
+	    serverLtime: 0,
+	    lastSaved: moment(),
+	    now: moment(),
+	    connectionError: null,
+	    sendQueue: [],
+	    sentRecently: [],
+	    needConfirmation: {},
+    };
+
+    var app = new Vue({
+	    el: "#container",
+	    data: uiBindings,
+	    delimiters: ["${", "}"],
+    });
+
+    function getLtime() {
+	    uiBindings.ltime++
+	    return uiBindings.ltime
+    }
+
+    function observeServer(l, confirmed) {
+	    uiBindings.serverLtime = l;
+	    if (confirmed && confirmed.length > 0) {
+		    confirmed.forEach(function (e) {
+			    delete uiBindings.needConfirmation[e];
+		    })
+	    }
+	    observe(l);
+    }
+
+    function observe(l) {
+	 if (l > uiBindings.ltime) { 
+		 uiBindings.now = moment();
+		 uiBindings.lastSaved = moment();
+		 uiBindings.ltime = l;
+	 }
+    }
+
+    var selectedImage;
+    var editorElem = document.getElementById("editor");
+    var editor = new SimpleMDE({
+	    element: editorElem,
+	    forceSync: true,
+	    insertTexts: {
+		    image: ["{\{% thumb filename=\"", "#url#\" width=\"200\" %}}"]
+	    },
+	    imageURLFn: function () {
+		    return selectedImage;
+	    }
+    });
+
+    window.onmessage = function (evt) {
+	    selectedImage = evt.data;
+    }
+
+
+    // Create WebSocket connection.
+    var socket = connect();
+
+
+    const sawChangesBumpsTo = 10;
+
+    var sentinelSrc = 'about:blank';
+    var oldSrc = '';
+
+    var sawChanges = -1;
+    window.setInterval(function () {
+	    if (sawChanges >= 0) {
+		    sawChanges--;
+		    if (sawChanges == 0) {
+			    if (iframe.contentWindow) {
+				    iframe.contentWindow.location.reload();
+			    }
+		    }
+	    }
+
+	    uiBindings.now = moment();
+	    if (uiBindings.connectionError) {
+		    socket = connect();
+	    } else if (uiBindings.sendQueue.length > 0) {
+		    var ltime = getLtime();
+
+		    // record lowest pending
+		    // ltime at the time this message
+		    // was serialized
+		    var lowestPending = ltime;
+		    for (c in uiBindings.needConfirmation) {
+			    c = parseInt(c, 10);
+			    if (lowestPending === 0 || c < lowestPending) {
+				    lowestPending = c;
+			    }
+		    }
+
+		    var msg = JSON.stringify({
+			    "deltas": uiBindings.sendQueue,
+			    "ltime": ltime,
+			    "lowestPending": lowestPending,
+		    });
+		    uiBindings.sendQueue = [];
+		    uiBindings.needConfirmation[ltime] = msg;
+	    }
+
+	    for (ltime in uiBindings.needConfirmation) {
+		    var msg = uiBindings.needConfirmation[ltime];
+		    socket.send(msg);
+	    }
+    }, 500);
+
+    function connect() {
+	    const socket = new WebSocket((location.protocol == "https:" ? 'wss://' : 'ws://') + location.host + location.pathname);
+
+	    // Listen for messages
+	    socket.addEventListener('message', function (event) {
+		 var message = JSON.parse(event.data);
+		 observeServer(message.ltime, message.confirmed);
+
+		 var deltas = [];
+		 deltas.push.apply(deltas, message.deltas);
+
+		 deltas.forEach(function(aceDelta) {
+			 var cmDelta = aceDeltaToCM(aceDelta)
+
+			 var content = ""
+			 var to = {
+				 line: aceDelta.start.row,
+				 ch: aceDelta.start.column,
+			 }
+
+			 if (aceDelta.action == "insert") {
+				 content = aceDelta.lines.join("\n");
+				 to = null;
+			 }
+
+			 editor.codemirror.doc.replaceRange(content, cmDelta.from, to, "dontreflect");
+			 sawChanges = sawChangesBumpsTo;
+		 })
+	    });
+
+	    socket.addEventListener('open', function () {
+		    uiBindings.connectionError = null;
+	    });
+
+	    socket.addEventListener('close', function () {
+		    if (!uiBindings.connectionError) {
+			    getLtime();
+			    uiBindings.connectionError = "server connection closed, reconnecting...";
+		    }
+	    });
+
+	    socket.addEventListener('error', function (err) {
+		    if (!uiBindings.connectionError) {
+			    uiBindings.connectionError = err;
+		     	    getLtime();
+		    }
+		    console.log(err);
+	    });
+
+
+	    return socket;
+    }
+
+    editor.codemirror.on("change", function (cm, cmDelta) {
+		    if (cmDelta.origin == "dontreflect") {
+			    return;
+		    }
+
+		    var aceDelta = cmDeltaToAce(cmDelta);
+		    console.log(cmDelta, "=>", aceDelta)
+
+		    sawChanges = sawChangesBumpsTo;
+		    uiBindings.sendQueue.push.apply(uiBindings.sendQueue, aceDelta);
+    })
+
+    function cmDeltaToAce(cmDelta) {
+	    var isRemove =  (cmDelta.removed.length > 0 && cmDelta.removed[0].length > 0) || cmDelta.removed.length > 1;
+	    var lines = isRemove ? cmDelta.removed : cmDelta.text;
+	    var aceDelta = {
+		    action: isRemove ? "remove" : "insert",
+		    lines: lines,
+		    start: {
+			    row: cmDelta.from.line,
+			    column: cmDelta.from.ch,
+		    },
+		    end: {
+			    row: cmDelta.from.line + (isRemove ? lines.length - 1 : lines.length - 1 ),
+			    column: lines[lines.length-1].length,
+		    }
+	    };
+
+	    if (aceDelta.start.row == aceDelta.end.row) {
+		    aceDelta.end.column += cmDelta.from.ch;
+	    }
+
+	    if (false && isRemove && aceDelta.start.row == aceDelta.end.row) {
+		    var origStart = aceDelta.start;
+		    aceDelta.start = aceDelta.end;
+		    aceDelta.end = origStart;
+		    aceDelta.start.column += cmDelta.from.ch;
+	    }
+
+	    if (isRemove && ((cmDelta.text.length > 0 && cmDelta.text[0].length > 0) || cmDelta.text.length > 1)) {
+		    cmDelta.removed = [""];
+		    var ret = [aceDelta];
+		    ret.push.apply(ret, cmDeltaToAce(cmDelta));
+		    return ret;
+	    }
+
+	    return [aceDelta];
+    }
+
+    function aceDeltaToCM(aceDelta) {
+
+	    var cmDelta = {
+		    text: [],
+		    removed: [],
+		    from: {
+			    line: aceDelta.start.row,
+			    ch: aceDelta.start.column,
+		    },
+		    to: {
+			    // cm deltas are weird. to refers to the selection end, which 
+			    // with a simple blinking cursor with no selection, is always 
+			    // the same as from
+			    line: aceDelta.start.row,
+			    ch: aceDelta.start.column,
+		    },
+	    }
+
+	    if (aceDelta.action == "remove") {
+		    var origStart = aceDelta.start;
+		    aceDelta.start = aceDelta.end;
+		    aceDelta.end = origStart;
+
+		    cmDelta.removed = aceDelta.lines
+		    cmDelta.text = [""]
+	    } else {
+		    cmDelta.text = aceDelta.lines
+		    cmDelta.removed = [""]
+	    }
+
+	    return cmDelta;
+    }
+</script>
+</body>
+</html>

frontend/templates/upload.html.tmpl

@@ -0,0 +1,70 @@
+<input type="file" style="display: hidden;" id="{{.ElemName}}" />
+	<div id="{{.ElemName}}_dropzone" ondrop="dropHandler(event);" ondragover="draghandler(event);" ondragenter="draghandler(event);" ondragleave="draghandler(event);" style="background-color: rgba(0,0,0,0.5); visibility: hidden; opacity:0; position: fixed; top: 0; bottom: 0; left: 0; right: 0; width: 100%; height: 100%; ; transition: visibility 175ms, opacity 175ms; z-index: 9999999;"></div>
+	<script>
+document.addEventListener("DOMContentLoaded", function () {
+	var fileInput = document.getElementById('{{.ElemName}}');
+	var dropzone = document.getElementById('{{.ElemName}}_dropzone');
+
+	fileInput.onchange = function () {
+		var formData = new FormData();
+		fileInput.files.forEach(function (file) {
+			formData.append(file.name, file);
+		});
+		upload(formData);
+	}
+
+	var lastTarget = null;
+
+	window.addEventListener("dragenter", function(e)
+	{
+		lastTarget = e.target; // cache the last target here
+		// unhide our dropzone overlay
+		dropzone.style.visibility = "";
+		dropzone.style.opacity = 1;
+	});
+
+	window.addEventListener("dragleave", function(e)
+	{
+		// this is the magic part. when leaving the window,
+		// e.target happens to be exactly what we want: what we cached
+		// at the start, the dropzone we dragged into.
+		// so..if dragleave target matches our cache, we hide the dropzone.
+		if(e.target === lastTarget)
+		{
+			dropzone.style.visibility = "hidden";
+			dropzone.style.opacity = 0;
+		}
+	});
+
+});
+
+	function draghandler(evt) {
+		evt.preventDefault();
+	}
+
+	function dropHandler(evt) {
+		evt.preventDefault();
+
+		var files = evt.dataTransfer.files;
+		var formData = new FormData();
+
+		for (var i = 0; i < files.length; i++) {
+			formData.append(files[i].name, files[i]);
+		}
+
+		upload(formData);
+		return false;
+	}
+
+	function upload(formData) {
+		var xhr = new XMLHttpRequest();
+		xhr.onreadystatechange = function(e) {
+			if ( 4 == this.readyState ) {
+				window.location.reload(true);
+			}
+		}
+		xhr.open('POST', '/hugo/upload');
+		xhr.send(formData);
+	}
+
+</script>

go.mod

@@ -0,0 +1,142 @@
+module git.stephensearles.com/stephen/caddy-hugo2
+
+go 1.18
+
+require (
+	git.stephensearles.com/stephen/acedoc v0.0.0-20170928122432-96da2793a59d
+	git.stephensearles.com/stephen/idleshut v0.0.0-20180107224249-cde7779f51c8
+	github.com/PuerkitoBio/goquery v1.5.0
+	github.com/caddyserver/caddy/v2 v2.1.1
+	github.com/caddyserver/xcaddy v0.3.0
+	github.com/gohugoio/hugo v0.74.4-0.20200822075643-d39636a5fc6b
+	github.com/gorilla/websocket v1.4.1
+	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
+	github.com/peterbourgon/diskv v2.0.1+incompatible
+	github.com/spf13/afero v1.2.2
+	github.com/spf13/viper v1.6.1
+	github.com/tajtiattila/metadata v0.0.0-20180130123038-1ef25f4c37ea
+	go.uber.org/zap v1.15.0
+)
+
+require (
+	cloud.google.com/go v0.54.0 // indirect
+	github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 // indirect
+	github.com/BurntSushi/locker v0.0.0-20171006230638-a6e239ea1c69 // indirect
+	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/DataDog/zstd v1.4.1 // indirect
+	github.com/Masterminds/goutils v1.1.0 // indirect
+	github.com/Masterminds/semver/v3 v3.1.1 // indirect
+	github.com/Masterminds/sprig/v3 v3.1.0 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/alecthomas/chroma v0.8.0 // indirect
+	github.com/andybalholm/cascadia v1.0.0 // indirect
+	github.com/antlr/antlr4 v0.0.0-20200503195918-621b933c7a7f // indirect
+	github.com/armon/go-radix v1.0.0 // indirect
+	github.com/bep/debounce v1.2.0 // indirect
+	github.com/bep/gitmap v1.1.2 // indirect
+	github.com/bep/golibsass v0.6.0 // indirect
+	github.com/bep/tmc v0.5.1 // indirect
+	github.com/caddyserver/certmagic v0.11.2 // indirect
+	github.com/cenkalti/backoff/v4 v4.0.0 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
+	github.com/cheekybits/genny v1.0.0 // indirect
+	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 // indirect
+	github.com/dgraph-io/badger v1.5.3 // indirect
+	github.com/dgraph-io/badger/v2 v2.0.1-rc1.0.20200413122845-09dd2e1a4195 // indirect
+	github.com/dgraph-io/ristretto v0.0.2-0.20200115201040-8f368f2f2ab3 // indirect
+	github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 // indirect
+	github.com/disintegration/gift v1.2.1 // indirect
+	github.com/dlclark/regexp2 v1.2.0 // indirect
+	github.com/dustin/go-humanize v1.0.1-0.20200219035652-afde56e7acac // indirect
+	github.com/evanw/esbuild v0.6.5 // indirect
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/getkin/kin-openapi v0.14.0 // indirect
+	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/go-acme/lego/v3 v3.7.0 // indirect
+	github.com/go-sql-driver/mysql v1.5.0 // indirect
+	github.com/gobuffalo/envy v1.7.0 // indirect
+	github.com/gobwas/glob v0.2.3 // indirect
+	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
+	github.com/golang/protobuf v1.4.2 // indirect
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/google/btree v1.0.0 // indirect
+	github.com/google/cel-go v0.5.1 // indirect
+	github.com/google/go-cmp v0.5.0 // indirect
+	github.com/google/uuid v1.1.1 // indirect
+	github.com/googleapis/gax-go/v2 v2.0.5 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/huandu/xstrings v1.3.1 // indirect
+	github.com/imdario/mergo v0.3.8 // indirect
+	github.com/jdkato/prose v1.1.1 // indirect
+	github.com/joho/godotenv v1.3.0 // indirect
+	github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a // indirect
+	github.com/klauspost/cpuid v1.3.0 // indirect
+	github.com/kyokomi/emoji v2.2.1+incompatible // indirect
+	github.com/libdns/libdns v0.0.0-20200501023120-186724ffc821 // indirect
+	github.com/lucas-clemente/quic-go v0.18.0 // indirect
+	github.com/lunixbochs/vtclean v1.0.0 // indirect
+	github.com/magiconair/properties v1.8.1 // indirect
+	github.com/manifoldco/promptui v0.3.1 // indirect
+	github.com/markbates/inflect v1.0.0 // indirect
+	github.com/marten-seemann/qpack v0.2.0 // indirect
+	github.com/marten-seemann/qtls v0.10.0 // indirect
+	github.com/marten-seemann/qtls-go1-15 v0.1.0 // indirect
+	github.com/mattn/go-colorable v0.1.6 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/mattn/go-runewidth v0.0.7 // indirect
+	github.com/miekg/dns v1.1.30 // indirect
+	github.com/miekg/mmark v1.3.6 // indirect
+	github.com/mitchellh/copystructure v1.0.0 // indirect
+	github.com/mitchellh/hashstructure v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.1.2 // indirect
+	github.com/mitchellh/reflectwalk v1.0.0 // indirect
+	github.com/muesli/smartcrop v0.3.0 // indirect
+	github.com/nicksnyder/go-i18n v1.10.0 // indirect
+	github.com/niklasfasching/go-org v1.3.1 // indirect
+	github.com/olekukonko/tablewriter v0.0.4 // indirect
+	github.com/pelletier/go-toml v1.6.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/rogpeppe/go-internal v1.5.1 // indirect
+	github.com/russross/blackfriday v1.5.3-0.20200218234912-41c5fccfd6f6 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd // indirect
+	github.com/samfoo/ansi v0.0.0-20160124022901-b6bd2ded7189 // indirect
+	github.com/sanity-io/litter v1.2.0 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/smallstep/certificates v0.15.0-rc.1.0.20200506212953-e855707dc274 // indirect
+	github.com/smallstep/cli v0.14.4 // indirect
+	github.com/smallstep/nosql v0.3.0 // indirect
+	github.com/smallstep/truststore v0.9.5 // indirect
+	github.com/spf13/cast v1.3.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.2.0 // indirect
+	github.com/tdewolff/minify/v2 v2.6.2 // indirect
+	github.com/tdewolff/parse/v2 v2.4.2 // indirect
+	github.com/urfave/cli v1.22.2 // indirect
+	github.com/yuin/goldmark v1.1.32 // indirect
+	github.com/yuin/goldmark-highlighting v0.0.0-20200307114337-60d527fdb691 // indirect
+	go.etcd.io/bbolt v1.3.2 // indirect
+	go.opencensus.io v0.22.3 // indirect
+	go.uber.org/atomic v1.6.0 // indirect
+	go.uber.org/multierr v1.5.0 // indirect
+	golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de // indirect
+	golang.org/x/image v0.0.0-20191214001246-9130b4cfad52 // indirect
+	golang.org/x/net v0.0.0-20200707034311-ab3426394381 // indirect
+	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect
+	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
+	golang.org/x/sys v0.0.0-20200519105757-fe76b779f299 // indirect
+	golang.org/x/text v0.3.2 // indirect
+	google.golang.org/api v0.20.0 // indirect
+	google.golang.org/appengine v1.6.5 // indirect
+	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
+	google.golang.org/grpc v1.27.1 // indirect
+	google.golang.org/protobuf v1.25.0 // indirect
+	gopkg.in/ini.v1 v1.51.1 // indirect
+	gopkg.in/square/go-jose.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
+	howett.net/plist v0.0.0-20200419221736-3b63eb3a43b5 // indirect
+)

helpers_test.go

@@ -0,0 +1,96 @@
+package caddyhugo
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"sync"
+	"testing"
+
+	"git.stephensearles.com/stephen/acedoc"
+)
+
+type World struct {
+	CH         *CaddyHugo
+	BlogFolder string
+}
+
+func (w *World) Clean() {
+	if w.BlogFolder != "" {
+		os.RemoveAll(w.BlogFolder)
+	}
+}
+
+func NewWorld(t *testing.T) *World {
+	dir, err := ioutil.TempDir("", "caddy-hugo2-test-")
+	if err != nil {
+		t.Fatalf("error initializing test environment: %v", err)
+	}
+
+	w := &World{BlogFolder: dir}
+
+	cmd := exec.Command("hugo", "new", "site", dir)
+	cmd.Dir = dir
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Fatalf("error initializing test site: %v\n\n%v", err, string(out))
+	}
+
+	w.CH = &CaddyHugo{}
+	w.CH.Setup(dir)
+
+	return w
+}
+
+type WebsocketTester struct {
+	receivedPointer int
+	received        [][]byte
+	wroteMessages   []Message
+	wroteDeltas     []acedoc.Delta
+	mtx             sync.Mutex
+}
+
+// ReadJSON reads the next pending message from the "client" into v
+func (ws *WebsocketTester) ReadJSON(v interface{}) error {
+	ws.mtx.Lock()
+	defer ws.mtx.Unlock()
+
+	if len(ws.received) <= ws.receivedPointer {
+		return nil
+	}
+
+	err := json.Unmarshal(ws.received[ws.receivedPointer], v)
+	ws.receivedPointer++
+	return err
+}
+
+// WriteJSON "sends" a message, v, to the "client"
+func (ws *WebsocketTester) WriteJSON(v interface{}) error {
+	ws.mtx.Lock()
+	defer ws.mtx.Unlock()
+
+	m, ok := v.(Message)
+	if !ok {
+		panic("wrong type written to WebsocketTester")
+	}
+
+	ws.wroteMessages = append(ws.wroteMessages, m)
+	ws.wroteDeltas = append(ws.wroteDeltas, m.Deltas...)
+
+	return nil
+}
+
+// ReceiveJSON queues a message to be sent to the client
+func (ws *WebsocketTester) ReceiveJSON(v interface{}) error {
+	ws.mtx.Lock()
+	defer ws.mtx.Unlock()
+
+	out, err := json.Marshal(v)
+	if err != nil {
+		return err
+	}
+
+	ws.received = append(ws.received, out)
+	return nil
+}

http.go

@@ -2,8 +2,9 @@ package caddyhugo
 
 import (
 	"encoding/base64"
+	"errors"
 	"fmt"
-	"net"
+	"io"
 	"net/http"
 	"os"
 	"path"
@@ -11,26 +12,25 @@ import (
 	"strings"
 
 	"git.stephensearles.com/stephen/caddy-hugo2/assets"
-	"github.com/mholt/caddy"
+	"github.com/caddyserver/caddy/v2/modules/caddyhttp"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 	"github.com/spf13/afero"
 )
 
-func (ch *CaddyHugo) ServeHTTPWithNext(next httpserver.Handler, w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error {
 	if !ch.Match(r) {
 		p := path.Join(ch.Dir, "public", r.URL.Path)
 		http.ServeFile(w, r, p)
-		return 200, nil
+		return nil
 	}
 
 	if ch.Comments != nil && strings.HasSuffix(r.URL.Path, "/comments") {
 		docName := docNameFromCommentRequest(r)
 		err := ch.Comments.ServeComments(docName, w, r)
 		if err != nil {
-			return 500, fmt.Errorf("couldn't load comments:", err)
+			return fmt.Errorf("couldn't load comments:", err)
 		}
 
-		return 200, nil
+		return nil
 	}
 
 	if r.URL.Path == "/login" {
@@ -40,32 +40,31 @@ func (ch *CaddyHugo) ServeHTTPWithNext(next httpserver.Handler, w http.ResponseW
 	if strings.HasPrefix(r.URL.Path, "/hugo/publish") {
 		err := ch.Publish()
 		if err != nil {
-			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return err
-			return http.StatusInternalServerError, nil
 		}
 
 		http.Redirect(w, r, "/", http.StatusFound)
-		return http.StatusFound, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/simplemde.css") {
 		w.Write(assets.MustAsset("simplemde/dist/simplemde.min.css"))
-		return http.StatusOK, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/simplemde.js") {
 		w.Write(assets.MustAsset("simplemde/debug/simplemde.js"))
-		return http.StatusOK, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/vue.js") {
 		w.Write(assets.MustAsset("js/vue.js"))
-		return http.StatusOK, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/moment.js") {
 		w.Write(assets.MustAsset("js/moment.js"))
-		return http.StatusOK, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/font-awesome.css") {
 		w.Write(assets.MustAsset("css/font-awesome.min.css"))
-		return http.StatusOK, nil
+		return nil
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/admin") {
 		return ch.Admin().ServeHTTP(w, r)
@@ -88,36 +87,27 @@ func (ch *CaddyHugo) ServeHTTPWithNext(next httpserver.Handler, w http.ResponseW
 	if strings.HasPrefix(r.URL.Path, "/media/") {
 		return ch.serveMedia(w, r)
 	}
+	if strings.HasPrefix(r.URL.Path, "/hugo/fs/") {
+		printTree(afero.NewOsFs(), w, ch.Dir)
+		return nil
+	}
 
 	return next.ServeHTTP(w, r)
 }
 
-func (ch *CaddyHugo) ServeNewContent(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) ServeNewContent(w http.ResponseWriter, r *http.Request) error {
 	name := r.FormValue("name")
 	ctype := r.FormValue("type")
 
 	filename, err := ch.NewContent(name, ctype)
 	if err != nil {
 		fmt.Println("error creating new content:", err)
-		return http.StatusInternalServerError, err
+		return err
 	}
 
 	// serve redirect
 	http.Redirect(w, r, filepath.Join("/hugo/edit/", "content", filename), http.StatusFound)
-	return http.StatusFound, nil
+	return nil
-}
-
-func (ch *CaddyHugo) Middleware(c *caddy.Controller) httpserver.Middleware {
-	return func(next httpserver.Handler) httpserver.Handler {
-		host := ch.Site.Addr.Host
-		hostport := net.JoinHostPort(ch.Site.Addr.Host, ch.Site.Addr.Port)
-		return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
-			if r.Host != host && r.Host != hostport {
-				return next.ServeHTTP(w, r)
-			}
-			return ch.ServeHTTPWithNext(next, w, r)
-		})
-	}
 }
 
 func (ch *CaddyHugo) Auth(r *http.Request) bool {
@@ -126,11 +116,6 @@ func (ch *CaddyHugo) Auth(r *http.Request) bool {
 }
 
 func (ch *CaddyHugo) Match(r *http.Request) bool {
-	host := ch.Site.Addr.Host
-	hostport := net.JoinHostPort(ch.Site.Addr.Host, ch.Site.Addr.Port)
-	if r.Host != host && r.Host != hostport {
-		return false
-	}
 	if strings.HasPrefix(r.URL.Path, "/media/") {
 		return true
 	}
@@ -150,34 +135,34 @@ func (ch *CaddyHugo) Match(r *http.Request) bool {
 	return strings.HasPrefix(r.URL.Path, "/hugo/")
 }
 
-func (ch *CaddyHugo) Admin() httpserver.Handler {
+func (ch *CaddyHugo) Admin() caddyhttp.Handler {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+	return caddyhttp.HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
 		err := ch.adminTmpl.Execute(w, ch.TmplData(r, nil))
 		if err != nil {
 			fmt.Println(err)
-			return http.StatusInternalServerError, err
+			return err
 		}
 
-		return http.StatusOK, nil
+		return nil
 
 	})
 }
 
-func (ch *CaddyHugo) AuthorHome() httpserver.Handler {
+func (ch *CaddyHugo) AuthorHome() caddyhttp.Handler {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+	return caddyhttp.HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
 		td := ch.TmplData(r, nil)
 		err := ch.authorTmpl.Execute(w, td)
 		if err != nil {
 			fmt.Println(err)
-			return http.StatusInternalServerError, err
+			return err
 		}
 
-		return http.StatusOK, nil
+		return nil
 	})
 }
 
-func (ch *CaddyHugo) Edit() httpserver.Handler {
+func (ch *CaddyHugo) Edit() caddyhttp.Handler {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+	return caddyhttp.HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
 		if r.URL.Path == "/hugo/edit/new" {
 			return ch.ServeNewContent(w, r)
 		}
@@ -189,32 +174,31 @@ func (ch *CaddyHugo) Edit() httpserver.Handler {
 		doc, err := ch.editSession(docNameFromEditRequest(r))
 		if err != nil {
 			fmt.Println(err)
-			return http.StatusNotFound, err
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return err
 		}
 
 		err = ch.editTmpl.Execute(w, ch.TmplData(r, doc))
 		if err != nil {
-
 			fmt.Println(err)
-			return http.StatusInternalServerError, err
+			return err
 		}
 
-		return http.StatusOK, nil
+		return nil
 	})
 }
 
-func (ch *CaddyHugo) serveDraft(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) serveDraft(w http.ResponseWriter, r *http.Request) error {
 	pathSegments := strings.SplitN(r.URL.Path, "/", 5)
 	if len(pathSegments) < 4 {
-
+		return errors.New("not found")
-		return http.StatusNotFound, nil
 	}
 
 	encoded := pathSegments[3]
 
 	nameBytes, err := base64.RawURLEncoding.DecodeString(encoded)
 	if err != nil {
-		return http.StatusNotFound, err
+		return errors.New("not found")
 	}
 
 	name := string(nameBytes)
@@ -224,7 +208,7 @@ func (ch *CaddyHugo) serveDraft(w http.ResponseWriter, r *http.Request) (int, er
 
 	docref, ok := ch.docs[ch.docFilename(name)]
 	if !ok {
-		return http.StatusNotFound, fmt.Errorf("draft not found")
+		return fmt.Errorf("draft not found")
 	}
 
 	r.URL.Path = strings.ToLower(r.URL.Path)
@@ -235,13 +219,77 @@ func (ch *CaddyHugo) serveDraft(w http.ResponseWriter, r *http.Request) (int, er
 	page := ch.HugoSites.GetContentPage(ch.docFilename(name))
 	if page == nil {
 		fmt.Fprintf(w, "can't find %q to display a draft", name)
-		return 404, nil
+		return fmt.Errorf("draft not found")
 	}
 
 	r.URL.Path = page.RelPermalink()
 	http.FileServer(aferoHTTP{afero.NewBasePathFs(docref.tmpfs, path.Join(ch.Dir, "public"))}).ServeHTTP(w, r)
 
-	return 200, nil
+	return nil
+}
+
+func printTree(fs afero.Fs, w io.Writer, dir string) {
+	const (
+		Line  = "  │ "
+		Tab   = "    "
+		Elbow = "  └─"
+		Tee   = "  ├─"
+	)
+
+	wd, _ := os.Getwd()
+	fmt.Fprintln(w, wd)
+
+	if dir == "" {
+		dir = "/"
+	}
+
+	openDirs := map[string]bool{}
+	lastFiles := map[string]string{}
+
+	afero.Walk(fs, dir, filepath.WalkFunc(func(p string, info os.FileInfo, err error) error {
+		if strings.HasPrefix(p, "./") {
+			p = p[2:]
+		}
+
+		openDirs[filepath.Dir(p)] = true
+		lastFiles[filepath.Dir(p)] = filepath.Base(p)
+		return nil
+	}))
+
+	afero.Walk(fs, dir, filepath.WalkFunc(func(p string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if strings.HasPrefix(p, "./") {
+			p = p[2:]
+		}
+
+		if filepath.Base(p)[0] == '.' && info.IsDir() {
+			return filepath.SkipDir
+		}
+
+		entry := Tee
+
+		if lastFiles[filepath.Dir(p)] == filepath.Base(p) {
+			openDirs[filepath.Dir(p)] = false
+			entry = Elbow
+		}
+
+		indent := ""
+		dirs := strings.Split(p, string(filepath.Separator))
+		dirs = dirs[:len(dirs)-1]
+		for i := range dirs {
+			if openDirs[filepath.Join(dirs[:i]...)] {
+				indent += Line
+			} else {
+				indent += Tab
+			}
+		}
+
+		fmt.Fprintf(w, "%s%s %s (%s)\n", indent, entry, filepath.Base(p), p)
+		return nil
+	}))
 }
 
 type aferoHTTP struct {
@@ -259,9 +307,9 @@ func (a aferoHTTP) Open(name string) (http.File, error) {
 	return af, err
 }
 
-func (ch *CaddyHugo) commentsLogin(r *http.Request, w http.ResponseWriter) (int, error) {
+func (ch *CaddyHugo) commentsLogin(r *http.Request, w http.ResponseWriter) error {
 	if ch.Comments == nil {
-		return 200, nil
+		return nil
 	}
 
 	_, ok := ch.Comments.User(r)
@@ -269,10 +317,10 @@ func (ch *CaddyHugo) commentsLogin(r *http.Request, w http.ResponseWriter) (int,
 		w.Header().Set("WWW-Authenticate", `Basic realm="Log in with your name and the password. Ask Dan or Stephen for the password."`)
 		w.WriteHeader(401)
 		fmt.Fprintf(w, "<html><body>Log in with your name and the password. Ask Dan or Stephen for the password. <a href=%q>go back</a></body></html>", r.Referer())
-		return 200, nil
+		return nil
 	}
 
 	http.Redirect(w, r, r.Referer(), http.StatusFound)
 
-	return 200, nil
+	return nil
 }

hugo.go

@@ -2,14 +2,18 @@ package caddyhugo
 
 import (
 	"fmt"
+	"os"
 	"path"
+	"path/filepath"
 	"time"
 
 	"github.com/gohugoio/hugo/deps"
 	"github.com/gohugoio/hugo/hugofs"
 	"github.com/gohugoio/hugo/hugolib"
 	"github.com/spf13/afero"
+	"github.com/spf13/viper"
 
+	themeadditions "git.stephensearles.com/stephen/caddy-hugo2/theme-additions"
 	"git.stephensearles.com/stephen/idleshut"
 )
 
@@ -18,37 +22,88 @@ const (
 	WebsocketFileTicker  = 1 * time.Second
 )
 
-type HugoInteractor interface {
+// Publish really renders new content into the public directory
-	Render(srcdir, workdir string) HugoRenderer
+func (ch *CaddyHugo) Publish() error {
+	err := ch.persistAllEdits()
+	if err != nil {
+		return err
+	}
+
+	err = buildSite(ch.HugoSites)
+	if err != nil {
+		return err
+	}
+
+	return nil
 }
 
-type HugoRenderer interface {
+func buildSite(sites *hugolib.HugoSites) error {
-	WriteContent(contents string) error
+	err := sites.Build(hugolib.BuildCfg{ResetState: true})
-	Start() error
+	if err != nil {
-	Stop() error
+		return fmt.Errorf("caddy-hugo: building site: %v", err)
+	}
+
+	return err
+}
+
+func writeThemeFiles(dir string) error {
+	for _, asset := range themeadditions.AssetNames() {
+		err := os.MkdirAll(path.Join(dir, filepath.Dir(asset)), 0755)
+		if err != nil {
+			return err
+		}
+		f, err := os.Create(path.Join(dir, asset))
+		if err != nil {
+			return err
+		}
+		b, err := themeadditions.Asset(asset)
+		if err != nil {
+			return err
+		}
+
+		_, err = f.Write(b)
+		if err != nil {
+			return err
+		}
+
+		err = f.Close()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (ch *CaddyHugo) configWithFs(fs afero.Fs) (*hugolib.HugoSites, *deps.DepsCfg, error) {
+	var err error
+
+	hfs := hugofs.NewFrom(fs, &viper.Viper{})
+	cfg := &deps.DepsCfg{Fs: hfs}
+
+	cfgPath := path.Join(ch.Dir, "config.toml")
+	cfg.Cfg, _, err = hugolib.LoadConfig(hugolib.ConfigSourceDescriptor{Fs: fs, Path: cfgPath})
+	if err != nil {
+		return nil, cfg, fmt.Errorf("caddy-hugo: loading site configuration: %v", err)
+	}
+	cfg.Cfg.Set("workingDir", ch.Dir)
+
+	sites, err := hugolib.NewHugoSites(*cfg)
+	if err != nil {
+		return nil, cfg, fmt.Errorf("caddy-hugo: initializing site: %v", err)
+	}
+
+	err = buildSite(sites)
+
+	return sites, cfg, err
 }
 
 func HugoInternalProcessConfig(ch *CaddyHugo, es *editSession, touchFn func()) (idleshut.Config, error) {
-
+	hugoSites, _, err := ch.configWithFs(es.tmpfs)
-	var err error
-	hugoCfg := &deps.DepsCfg{Fs: hugofs.NewFrom(es.tmpfs, ch.HugoCfg.Cfg)}
-	fmt.Println(ch.Dir)
-	hugoCfg.Cfg, err = hugolib.LoadConfig(es.tmpfs, "", path.Join(ch.Dir, "config.toml"))
 	if err != nil {
 		return idleshut.Config{}, fmt.Errorf("caddy-hugo: loading site configuration: %v", err)
 	}
 
-	hugoCfg.Cfg.Set("workingDir", ch.Dir)
-	hugoSites, err := hugolib.NewHugoSites(*hugoCfg)
-	if err != nil {
-		return idleshut.Config{}, fmt.Errorf("caddy-hugo: initializing site: %v", err)
-	}
-
-	err = hugoSites.Build(hugolib.BuildCfg{ResetState: true})
-	if err != nil {
-		return idleshut.Config{}, fmt.Errorf("caddy-hugo: building site: %v", err)
-	}
-
 	return idleshut.Config{
 		TickDuration: WebsocketFileTicker,
 		MaxIdleTicks: uint(IdleWebsocketTimeout/WebsocketFileTicker) + 1,
@@ -72,7 +127,7 @@ func HugoInternalProcessConfig(ch *CaddyHugo, es *editSession, touchFn func()) (
 				return err
 			}
 
-			err = hugoSites.Build(hugolib.BuildCfg{ResetState: true})
+			err = buildSite(hugoSites)
 			if err != nil {
 				return err
 			}

makefile

@@ -0,0 +1,8 @@
+.PHONY: run
+run: CADDY_DEBUG=1
+run:
+	xcaddy build --with git.stephensearles.com/stephen/caddy-hugo2@latest=./ && cd testdir && ../caddy run --config Caddyfile
+
+.PHONY: build
+build:
+	xcaddy build --with github.com/caddy-dns/digitalocean --with git.stephensearles.com/stephen/caddy-hugo2@latest=./

media.go

@@ -1,26 +1,63 @@
 package caddyhugo
 
 import (
+	"bytes"
 	"fmt"
-	"image"
 	"io"
 	"net/http"
+	"net/url"
 	"path"
-	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/gohugoio/hugo/resources/page"
 
 	"git.stephensearles.com/stephen/caddy-hugo2/media"
 )
 
-func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) ReferencedMedia() map[string]map[page.Page]struct{} {
+	found := map[string]map[page.Page]struct{}{}
+
+	for _, pg := range ch.HugoSites.Pages() {
+		renderOutput, err := pg.Render()
+		if err != nil {
+			continue
+		}
+
+		r := bytes.NewBufferString(string(renderOutput))
+		doc, err := goquery.NewDocumentFromReader(r)
+		if err != nil {
+			continue
+		}
+		doc.Find("img,video").Map(func(i int, s *goquery.Selection) string {
+			u, ok := s.Attr("src")
+			if ok {
+				u = path.Base(u)
+				if ud, err := url.QueryUnescape(u); err == nil {
+					u = ud
+				}
+				if m := found[u]; m == nil {
+					found[u] = make(map[page.Page]struct{})
+				}
+				found[u][pg] = struct{}{}
+			}
+			return ""
+		})
+
+	}
+
+	return found
+}
+
+func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) error {
 	if ch.Media == nil {
 		http.NotFound(w, r)
-		return 404, nil
+		return nil
 	}
 
 	mr, err := r.MultipartReader()
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
-		return 400, nil
+		return nil
 	}
 
 	for {
@@ -30,7 +67,7 @@ func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) (int, e
 		}
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
-			return 400, nil
+			return err
 		}
 
 		name := part.FileName()
@@ -38,20 +75,22 @@ func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) (int, e
 			err = ch.Media.ReceiveNewMedia(name, part)
 			if err != nil {
 				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return 500, nil
+				return nil
 			}
 		}
 	}
 
-	return 200, nil
+	return nil
 }
 
-func (ch *CaddyHugo) serveMediaPage(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) serveMediaPage(w http.ResponseWriter, r *http.Request) error {
 	if ch.Media == nil {
 		http.NotFound(w, r)
-		return 404, nil
+		return nil
 	}
 
+	referenced := ch.ReferencedMedia()
+
 	io.WriteString(w, `<html>
 	<head><style>
 	iframe { height: 100%; }
@@ -80,17 +119,31 @@ func (ch *CaddyHugo) serveMediaPage(w http.ResponseWriter, r *http.Request) (int
 		mm, err := ch.Media.Walk()
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return 500, nil
+			return err
 		}
 
 		for _, m := range media.Set(mm).ByDate() {
 
-			src, size, err := ch.Media.ThumbMax(*m, 100)
+			size, err := ch.Media.ThumbMax(*m, 100)
 			if err != nil {
 				fmt.Fprintf(w, `<div class="img">error rendering %q: %v</div>`, m.Name, err)
 				continue
 			}
-			fmt.Fprintf(w, `<div class="img"><img width=%d height=%d src=%q data-filename=%q /><br /><input type="text" readonly value=%q /><span class="copy">&#x1F4CB;</span></div>`, size.Dx(), size.Dy(), src, m.Name, src)
+
+			refs := len(referenced[m.Name])
+			plural := "s"
+			if refs == 1 {
+				plural = ""
+			}
+			refLine := fmt.Sprintf("included on %d page%s", refs, plural)
+
+			switch m.Type {
+			case media.TypeImage:
+				fmt.Fprintf(w, `<div class="img"><img width=%d height=%d src=%q data-filename=%q /><br /><input type="text" readonly value=%q /><span class="copy">&#x1F4CB;</span><br />%s</div>`, size.Dx(), size.Dy(), m.ThumbPath(size), m.Name, m.ThumbPath(size), refLine)
+			case media.TypeVideo:
+				// TODO: onmouseover sucks for mobile
+				fmt.Fprintf(w, `<div class="img"><video width=%d height=%d src=%q data-filename=%q onmouseover="this.play()" onmouseout="this.pause();this.currentTime=0;"></video><br /><input type="text" readonly value=%q /><span class="copy">&#x1F4CB;</span><br />%s</div>`, size.Dx(), size.Dy(), m.ThumbPath(size), m.Name, m.ThumbPath(size), refLine)
+			}
 		}
 	}
 	io.WriteString(w, `<script>
@@ -102,7 +155,7 @@ func (ch *CaddyHugo) serveMediaPage(w http.ResponseWriter, r *http.Request) (int
 			evt.target.previousSibling.select();
 			document.execCommand("copy");
 		}
-		if (evt.target.tagName === "IMG") {
+		if (evt.target.tagName === "IMG" || evt.target.tagName === "VIDEO") {
 			var current = document.querySelector(".img.selected");
 			if (current) {
 				current.classList = "img";
@@ -119,44 +172,15 @@ func (ch *CaddyHugo) serveMediaPage(w http.ResponseWriter, r *http.Request) (int
 		}
 	}
 	</script></body><html>`)
-	return 200, nil
+	return nil
 }
 
-func (ch *CaddyHugo) serveMedia(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) serveMedia(w http.ResponseWriter, r *http.Request) error {
 	if ch.Media == nil {
 		http.NotFound(w, r)
-		return 404, nil
+		return nil
 	}
 
-	segs := strings.Split(r.URL.Path, "/")
+	ch.Media.ServeHTTP(w, r)
-	name := segs[len(segs)-1] // the last segment is the filename
+	return nil
-
-	size := image.Rectangle{}
-
-	m := ch.Media.ByName(name)
-
-	if len(segs) >= 4 && len(segs) > 2 {
-		var err error
-		size, err = media.ParseSizeString(segs[len(segs)-2], m.Size)
-		if err != nil {
-			http.Error(w, err.Error(), http.StatusBadRequest)
-			return 400, nil
-		}
-	}
-
-	file, err := ch.Media.Thumb(*m, size)
-	if err != nil {
-		http.Error(w, fmt.Sprintf("unable to load thumb"), http.StatusInternalServerError)
-		return 500, nil
-	}
-
-	if file[0] == '/' {
-		file = file[1:]
-	}
-
-	file = path.Join(ch.Media.ThumbDir, file)
-
-	http.ServeFile(w, r, file)
-
-	return 200, nil
 }

media/image.go

@@ -0,0 +1,50 @@
+package media
+
+import (
+	"image"
+	"image/jpeg"
+	"os"
+	"path"
+
+	"github.com/nfnt/resize"
+)
+
+func imageSize(name string) (image.Rectangle, error) {
+	f, err := os.Open(name)
+	if err != nil {
+		return image.ZR, err
+	}
+	defer f.Close()
+
+	cfg, _, err := image.DecodeConfig(f)
+	if err != nil {
+		return image.ZR, err
+	}
+
+	width := cfg.Width
+	height := cfg.Height
+
+	return image.Rect(0, 0, width, height), nil
+}
+
+func ThumbImage(filename string, img image.Image, size image.Rectangle) error {
+	os.MkdirAll(path.Dir(filename), 0755)
+	fthumb, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0655)
+	if err != nil {
+		return err
+	}
+
+	img = resize.Resize(uint(size.Dx()), uint(size.Dy()), img, resize.Bilinear)
+
+	err = jpeg.Encode(fthumb, img, nil)
+	if err != nil {
+		return err
+	}
+
+	err = fthumb.Close()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

media/media.go

@@ -1,26 +1,27 @@
 package media
 
 import (
-	"fmt"
 	"image"
-	"image/jpeg"
 	"io"
+	"net/http"
 	"os"
 	"path"
 	"path/filepath"
-	"regexp"
 	"sort"
-	"strconv"
 	"time"
 
 	// for processing images
 	_ "image/gif"
 	_ "image/png"
 
-	"github.com/nfnt/resize"
 	"github.com/tajtiattila/metadata"
 )
 
+const (
+	TypeImage = "image"
+	TypeVideo = "video"
+)
+
 type MediaSource struct {
 	StorageDir string
 	ThumbDir   string
@@ -28,29 +29,45 @@ type MediaSource struct {
 	set Set
 }
 
-func (ms *MediaSource) LocationOrig(m Media) string {
+type Media struct {
-	return path.Join(ms.StorageDir, m.Name)
+	Type     string
+	Name     string
+	Size     image.Rectangle
+	FullName string
+
+	ms       *MediaSource
+	metadata *metadata.Metadata
 }
 
-func (ms *MediaSource) ThumbPath(m Media, size image.Rectangle) string {
+func (m Media) ThumbPath(size image.Rectangle) string {
-	w := size.Dx()
+	return "/" + thumbPath(size, m.Name)
-	h := size.Dy()
-
-	var ws, hs string
-
-	if w != 0 {
-		ws = fmt.Sprint(w)
-	}
-	if h != 0 {
-		hs = fmt.Sprint(h)
-	}
-
-	thumbSlug := filepath.Join(fmt.Sprintf("%sx%s", ws, hs), m.Name)
-	return path.Join("/media", thumbSlug)
 }
 
-func (ms *MediaSource) ThumbFilename(m Media, size image.Rectangle) string {
+func (m Media) ThumbFilename(size image.Rectangle) string {
-	return filepath.Join(ms.ThumbDir, ms.ThumbPath(m, size))
+	size = m.NormalizeSize(size)
+	return thumbFilename(m.ms.ThumbDir, size, m.Name)
+}
+
+func (ms *MediaSource) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	m, err := ms.ByName(path.Base(r.URL.Path))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	sizeRequested, err := SizeRequested(r.URL.Path, m.Size)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	size, err := ms.Thumb(*m, sizeRequested)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	http.ServeFile(w, r, m.ThumbFilename(size))
 }
 
 func (ms *MediaSource) ReceiveNewMedia(name string, r io.Reader) error {
@@ -70,15 +87,6 @@ func (ms *MediaSource) ReceiveNewMedia(name string, r io.Reader) error {
 	return f.Close()
 }
 
-type Media struct {
-	Type     string
-	Name     string
-	Size     image.Rectangle
-	FullName string
-
-	metadata *metadata.Metadata
-}
-
 func (m *Media) Date() time.Time {
 	m.getMetadata()
 
@@ -118,122 +126,33 @@ func (m *Media) getMetadata() error {
 }
 
 func (ms *MediaSource) Size(name string) (image.Rectangle, error) {
-	f, err := os.Open(name)
+	switch filepath.Ext(name) {
-	if err != nil {
+	case ".mp4":
-		return image.ZR, err
+		return VideoSize(name)
-	}
-	defer f.Close()
-
-	cfg, _, err := image.DecodeConfig(f)
-	if err != nil {
-		return image.ZR, err
 	}
 
-	width := cfg.Width
+	return imageSize(name)
-	height := cfg.Height
-
-	return image.Rect(0, 0, width, height), nil
 }
 
-func (ms *MediaSource) ThumbMax(m Media, maxDim int) (string, image.Rectangle, error) {
+func (ms *MediaSource) ByName(name string) (*Media, error) {
-	f, err := os.Open(ms.LocationOrig(m))
+	ext := filepath.Ext(name)
-	if err != nil {
+	typ := TypeImage
-		return "", image.ZR, err
-	}
-	defer f.Close()
 
-	cfg, _, err := image.DecodeConfig(f)
+	switch ext {
-	if err != nil {
+	case ".mp4":
-		return "", image.ZR, err
+		typ = TypeVideo
 	}
 
-	width := cfg.Width
+	fullName := path.Join(ms.StorageDir, name)
-	height := cfg.Height
+	size, _ := ms.Size(fullName)
 
-	if width > height {
+	return &Media{
-		height = height * maxDim / width
+		Type:     typ,
-		width = maxDim
-	} else {
-		width = width * maxDim / height
-		height = maxDim
-	}
-
-	size := image.Rect(0, 0, width, height)
-	if ms.HasThumb(m, size) {
-		return ms.ThumbPath(m, size), size, nil
-	}
-
-	_, err = f.Seek(0, io.SeekStart)
-	if err != nil {
-		return "", image.ZR, err
-	}
-
-	img, _, err := image.Decode(f)
-	if err != nil {
-		return "", image.ZR, err
-	}
-
-	src, err := ms.ThumbImage(img, m, size)
-	return src, size, err
-}
-
-func (ms *MediaSource) HasThumb(m Media, size image.Rectangle) bool {
-	_, err := os.Stat(ms.ThumbFilename(m, size))
-	return err == nil
-}
-
-func (ms *MediaSource) ByName(name string) *Media {
-	size, _ := ms.Size(path.Join(ms.StorageDir, name))
-	m := Media{
-		Type: "image",
 		Name:     name,
 		Size:     size,
-	}
+		FullName: fullName,
-	m.FullName = ms.LocationOrig(m)
+		ms:       ms,
-	return &m
+	}, nil
-}
-
-func (ms *MediaSource) Thumb(m Media, size image.Rectangle) (string, error) {
-	if ms.HasThumb(m, size) {
-		return ms.ThumbPath(m, size), nil
-	}
-
-	f, err := os.Open(ms.LocationOrig(m))
-	if err != nil {
-		return "", err
-	}
-	defer f.Close()
-
-	img, _, err := image.Decode(f)
-	if err != nil {
-		return "", err
-	}
-
-	return ms.ThumbImage(img, m, size)
-}
-
-func (ms *MediaSource) ThumbImage(img image.Image, m Media, size image.Rectangle) (string, error) {
-
-	thumbLoc := ms.ThumbFilename(m, size)
-	os.MkdirAll(path.Dir(thumbLoc), 0755)
-	fthumb, err := os.OpenFile(thumbLoc, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0655)
-	if err != nil {
-		return "", err
-	}
-
-	img = resize.Resize(uint(size.Dx()), uint(size.Dy()), img, resize.Bilinear)
-
-	err = jpeg.Encode(fthumb, img, nil)
-	if err != nil {
-		return "", err
-	}
-
-	err = fthumb.Close()
-	if err != nil {
-		return "", err
-	}
-
-	return ms.ThumbPath(m, size), nil
 }
 
 func (ms *MediaSource) Walk() ([]*Media, error) {
@@ -247,7 +166,11 @@ func (ms *MediaSource) Walk() ([]*Media, error) {
 			if fi.IsDir() {
 				return nil
 			}
-			media = append(media, ms.ByName(path.Base(name)))
+			m, err := ms.ByName(path.Base(name))
+			if err != nil {
+				return nil
+			}
+			media = append(media, m)
 			return nil
 		})
 
@@ -270,49 +193,6 @@ func (s Set) ByDate() Set {
 	return s
 }
 
-var (
-	sizeString = regexp.MustCompile(`([0-9]*)(x)?([0-9]*)`)
-)
-
-func ParseSizeString(str string, actual image.Rectangle) (image.Rectangle, error) {
-	var err = fmt.Errorf("expected a size string {width}x{height}, saw %q", str)
-
-	strs := sizeString.FindStringSubmatch(str)
-	if len(strs) < 4 {
-		return image.ZR, err
-	}
-
-	var w, h int
-	var strconvErr error
-
-	if strs[1] != "" {
-		w, strconvErr = strconv.Atoi(strs[1])
-		if strconvErr != nil {
-			return image.ZR, err
-		}
-	}
-
-	if strs[3] != "" {
-		h, strconvErr = strconv.Atoi(strs[3])
-		if strconvErr != nil {
-			return image.ZR, err
-		}
-	}
-
-	if strs[2] != "x" {
-		// w was the only dimension given, so set it to the greater dimension
-		// of the actual image size
-		if actual.Dx() > actual.Dy() {
-			h = 0
-		} else {
-			h = w
-			w = 0
-		}
-	}
-
-	return image.Rect(0, 0, w, h), nil
-}
-
 func removeExtension(name string) string {
 	ext := path.Ext(name)
 	return name[:len(name)-len(ext)]

media/size.go

@@ -0,0 +1,88 @@
+package media
+
+import (
+	"fmt"
+	"image"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var (
+	sizeString = regexp.MustCompile(`([0-9]*)(x)?([0-9]*)`)
+)
+
+func SizeRequested(urlpath string, actual image.Rectangle) (image.Rectangle, error) {
+	segments := strings.Count(urlpath, "/")
+	if segments < 3 {
+		return actual, nil
+	}
+	sizeSpec := strings.Split(urlpath, "/")[2]
+	return ParseSizeString(sizeSpec, actual)
+}
+
+func ParseSizeString(str string, actual image.Rectangle) (image.Rectangle, error) {
+	var err = fmt.Errorf("expected a size string {width}x{height}, saw %q", str)
+
+	strs := sizeString.FindStringSubmatch(str)
+	if len(strs) < 4 {
+		return image.ZR, err
+	}
+
+	var w, h int
+	var strconvErr error
+
+	if strs[1] != "" {
+		w, strconvErr = strconv.Atoi(strs[1])
+		if strconvErr != nil {
+			return image.ZR, err
+		}
+	}
+
+	if strs[3] != "" {
+		h, strconvErr = strconv.Atoi(strs[3])
+		if strconvErr != nil {
+			return image.ZR, err
+		}
+	}
+
+	if strs[2] != "x" {
+		// w was the only dimension given, so set it to the greater dimension
+		// of the actual image size
+		if actual.Dx() > actual.Dy() {
+			h = 0
+		} else {
+			h = w
+			w = 0
+		}
+	}
+
+	return image.Rect(0, 0, w, h), nil
+}
+
+func NormalizeSize(media, requested image.Rectangle) image.Rectangle {
+	if requested.Dx() == 0 && requested.Dy() == 0 {
+		return media
+	}
+	if requested.Dy()%2 == 1 {
+		requested.Max.Y--
+	}
+	if requested.Dx() != 0 && requested.Dy() != 0 {
+		return requested
+	}
+	scaled := image.Rectangle{}
+	if requested.Dx() == 0 {
+		scaled.Max.Y = requested.Dy()
+		scaled.Max.X = requested.Dy() * media.Dx() / media.Dy()
+	}
+	if requested.Dy() == 0 {
+		scaled.Max.X = requested.Dx()
+		scaled.Max.Y = requested.Dx() * media.Dy() / media.Dx()
+		for scaled.Max.Y%2 == 1 {
+			requested.Max.X--
+			scaled.Max.X = requested.Dx()
+			scaled.Max.Y = requested.Dx() * media.Dy() / media.Dx()
+		}
+	}
+	return scaled
+}

media/thumb.go

@@ -0,0 +1,110 @@
+package media
+
+import (
+	"fmt"
+	"image"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+)
+
+func (ms *MediaSource) ThumbPath(m Media, size image.Rectangle) string {
+	size = m.NormalizeSize(size)
+	return thumbPath(size, m.Name)
+}
+
+func (ms *MediaSource) ThumbFilename(m Media, size image.Rectangle) string {
+	size = m.NormalizeSize(size)
+	return thumbFilename(ms.ThumbDir, size, m.Name)
+}
+
+func thumbFilename(dir string, size image.Rectangle, name string) string {
+	return filepath.Join(dir, thumbPath(size, name))
+}
+
+func thumbPath(size image.Rectangle, name string) string {
+	w := size.Dx()
+	h := size.Dy()
+
+	var ws, hs string
+
+	if w != 0 {
+		ws = fmt.Sprint(w)
+	}
+	if h != 0 {
+		hs = fmt.Sprint(h)
+	}
+
+	thumbSlug := filepath.Join(fmt.Sprintf("%sx%s", ws, hs), name)
+	return path.Join("", "media", thumbSlug)
+}
+
+func (ms *MediaSource) ThumbMax(m Media, maxDim int) (image.Rectangle, error) {
+	width := m.Size.Dx()
+	height := m.Size.Dy()
+
+	if width == 0 && height == 0 {
+		return m.Size, fmt.Errorf("invalid media")
+	}
+
+	if width > height {
+		height = height * maxDim / width
+		width = maxDim
+	} else {
+		width = width * maxDim / height
+		height = maxDim
+	}
+
+	size := image.Rect(0, 0, width, height)
+	actual, err := ms.Thumb(m, size)
+	return actual, err
+}
+
+func (ms *MediaSource) HasThumb(m Media, size image.Rectangle) bool {
+	fi, err := os.Stat(ms.ThumbFilename(m, size))
+	if err != nil {
+		return false
+	}
+	return m.Date().Before(fi.ModTime())
+}
+
+func (m Media) NormalizeSize(size image.Rectangle) image.Rectangle {
+	return NormalizeSize(m.Size, size)
+}
+
+func (ms *MediaSource) Thumb(m Media, size image.Rectangle) (image.Rectangle, error) {
+	size = m.NormalizeSize(size)
+
+	if ms.HasThumb(m, size) {
+		return size, nil
+	}
+
+	f, err := os.Open(m.FullName)
+	if err != nil {
+		return size, err
+	}
+	defer f.Close()
+
+	return size, ms.thumbReader(f, m, size)
+}
+
+func (ms *MediaSource) thumbReader(r io.Reader, m Media, size image.Rectangle) error {
+	size = m.NormalizeSize(size)
+
+	switch m.Type {
+	case TypeImage:
+		img, _, err := image.Decode(r)
+		if err != nil {
+			return err
+		}
+
+		filename := ms.ThumbFilename(m, size)
+		return ThumbImage(filename, img, size)
+	case TypeVideo:
+		return VideoEncode(m.FullName, size, ms.ThumbDir)
+
+	default:
+		return fmt.Errorf("cannot thumb media type %q", m.Type)
+	}
+}

media/video.go

@@ -0,0 +1,42 @@
+package media
+
+import (
+	"bytes"
+	"fmt"
+	"image"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+)
+
+func VideoFrame(filename string) (image.Image, error) {
+	cmd := exec.Command("ffmpeg", "-i", filename, "-vframes", "1", "-f", "singlejpeg", "-")
+	buffer := new(bytes.Buffer)
+	cmd.Stdout = buffer
+	if cmd.Run() != nil {
+		return nil, fmt.Errorf("could not generate frame")
+	}
+
+	img, _, err := image.Decode(buffer)
+	return img, err
+}
+
+func VideoSize(filename string) (image.Rectangle, error) {
+	img, err := VideoFrame(filename)
+	if err != nil {
+		return image.Rectangle{}, err
+	}
+	return img.Bounds(), nil
+}
+
+func VideoEncode(filename string, size image.Rectangle, thumbDir string) error {
+	dest := thumbFilename(thumbDir, size, path.Base(filename))
+	os.MkdirAll(filepath.Dir(dest), 0755)
+	cmd := exec.Command("ffmpeg", "-i", filename, "-vf", fmt.Sprintf("scale=%d:%d", size.Dx(), size.Dy()), "-strict", "-2", dest)
+	if out, err := cmd.CombinedOutput(); err != nil {
+		os.Remove(dest)
+		return fmt.Errorf("could not thumb video: %s", string(out))
+	}
+	return nil
+}

setup.go

@@ -3,27 +3,27 @@ package caddyhugo
 import (
 	"fmt"
 	"html/template"
-	"io/ioutil"
 	"os"
 	"path"
 
 	"git.stephensearles.com/stephen/caddy-hugo2/comments"
 	"git.stephensearles.com/stephen/caddy-hugo2/media"
 
-	"github.com/gohugoio/hugo/deps"
 	"github.com/gohugoio/hugo/hugofs"
-	"github.com/gohugoio/hugo/hugolib"
-	"github.com/mholt/caddy"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
 var eventHookCounter uint64
 
+/*
 func SetupCaddy(c *caddy.Controller) error {
 	ch := &CaddyHugo{}
 
 	ch.Site = httpserver.GetConfig(c)
-	err := ch.Setup(ch.Site.Root)
+	root, err := filepath.Abs(ch.Site.Root)
+	if err != nil {
+		return err
+	}
+	err = ch.Setup(root)
 
 	c.OnShutdown(func() error {
 		return ch.persistAllEdits()
@@ -34,18 +34,13 @@ func SetupCaddy(c *caddy.Controller) error {
 
 	return err
 }
+*/
 
-func (ch *CaddyHugo) commentsSetting(c *caddy.Controller) {
+func (ch *CaddyHugo) commentsSetting() {
-	for c.NextLine() {
+	if ch.Site.CommentsEnabled {
-		if c.Val() == "hugo" {
-			for c.NextBlock() {
-				if c.Val() == "comments" {
 		ch.Comments = comments.WithStorage(comments.NewDiskv(path.Join(ch.Site.Root, "comments")))
-					if c.NextArg() {
+		if ch.Site.CommentsPassword != "" {
-						ch.Comments.Password = c.Val()
+			ch.Comments.Password = ch.Site.CommentsPassword
-					}
-				}
-			}
 		}
 	}
 }
@@ -53,21 +48,14 @@ func (ch *CaddyHugo) commentsSetting(c *caddy.Controller) {
 func (ch *CaddyHugo) Setup(dir string) error {
 	var err error
 
+	ch.log("setting up caddy-hugo in", dir)
 	ch.Dir = dir
 	ch.docs = make(map[string]*editSession)
 	ch.confirmingToClient = make(map[uint64]struct{})
 
-	ch.HugoCfg = &deps.DepsCfg{}
+	ch.HugoSites, ch.HugoCfg, err = ch.configWithFs(hugofs.Os)
-
-	ch.HugoCfg.Cfg, err = hugolib.LoadConfig(hugofs.Os, dir, "")
 	if err != nil {
-		return fmt.Errorf("error loading hugo config: %v", err)
+		return fmt.Errorf("error setting up hugo : %v", err)
-	}
-
-	ch.HugoCfg.Cfg.Set("workingdir", dir)
-	ch.HugoSites, err = hugolib.NewHugoSites(*ch.HugoCfg)
-	if err != nil {
-		return fmt.Errorf("error intializing hugo: %v", err)
 	}
 
 	err = ch.Build()
@@ -90,14 +78,9 @@ func (ch *CaddyHugo) Setup(dir string) error {
 		return fmt.Errorf("edit template invalid: %v", err)
 	}
 
-	thumbDir, err := ioutil.TempDir("", "thumbs")
-	if err != nil {
-		return fmt.Errorf("couldn't initialize media: %v", err)
-	}
-
 	ch.Media = &media.MediaSource{
 		StorageDir: path.Join(dir, "media"),
-		ThumbDir:   thumbDir,
+		ThumbDir:   path.Join(dir, "thumbs"),
 	}
 
 	err = os.MkdirAll(ch.Media.StorageDir, 0755)
@@ -105,6 +88,11 @@ func (ch *CaddyHugo) Setup(dir string) error {
 		return fmt.Errorf("couldn't initialize media: %v", err)
 	}
 
+	err = writeThemeFiles(ch.Dir)
+	if err != nil {
+		fmt.Println("error installing theme files:", err)
+	}
+
 	err = ch.Publish()
 	if err != nil {
 		fmt.Println("error with initial publish of hugo site:", err)

templates.go

@@ -1,17 +1,19 @@
 package caddyhugo
 
 import (
+	"bytes"
 	"encoding/base64"
 	"fmt"
+	"html/template"
 	"net/http"
 	"os"
 	"path"
 	"path/filepath"
 	"strings"
+	"sync"
 
 	"git.stephensearles.com/stephen/acedoc"
-
+	"git.stephensearles.com/stephen/caddy-hugo2/frontend"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
 func (t *tmplData) Content() ([]Content, error) {
@@ -63,7 +65,7 @@ func (t *tmplData) contentTypes(dir string) ([]string, error) {
 }
 
 type tmplData struct {
-	Site *httpserver.SiteConfig
+	Site SiteConfig
 	R    *http.Request
 	*CaddyHugo
 	Doc    *acedoc.Document
@@ -88,441 +90,29 @@ func (t *tmplData) IframeSource() string {
 	return fmt.Sprintf("/hugo/draft/%s/%s/%s/", base64.RawURLEncoding.EncodeToString([]byte(t.docref.docname)), ctype, strings.Replace(name, " ", "-", -1))
 }
 
-var EditPage = `<html>
+var EditPage = frontend.EditPage()
-<head>
-<script src="/hugo/simplemde.js"></script>
-<style type="text/css" media="screen">
-#editor-wrapper { 
-	position: absolute;
-	top: 50px;
-	right: 0;
-	bottom: 150px;
-	left: 40%;
-}
-#draft {
-	position: absolute;
-	top: 50px;
-	right: 60%;
-	bottom: 0;
-	left: 0;
 
-}
+var AdminPage = frontend.AdminPage()
-#draft > iframe {
-	height: 100%;
-	width: 100%;
-	border: none;
-}
-a {
-	text-decoration: underline;
-	text-decoration-style: dotted;
-	cursor: pointer;
-}
-</style>
-<link rel="stylesheet" href="/hugo/simplemde.css" />
-<script src="/hugo/vue.js"></script>
-<script src="/hugo/moment.js"></script>
 
+var AuthorPage = frontend.AuthorPage()
 
-<body>
+var uploadTmpl *template.Template
-<div id="container" >
+var uploadTmplOnce sync.Once
-	<div id="header">
-		<div id="lastSaved">
-			<span v-if="sendQueue.length > 0 || Object.keys(needConfirmation).length > 0">last saved ${ lastSaved.from(now) }, saving</span>
-			<span v-else>saved</span>
-			<span v-if="connectionError">, ${connectionError}</span>
-		</div>
-		<div>
-			<a id="sideview-toggle-media">media</a>
-			<a id="sideview-toggle-draft">draft</a>
-		</div>
-	</div>
-	<div id="editor-wrapper">
-		<textarea id="editor">{{ .LoadContent }}</textarea>
-	</div>
-	<div id="draft"><iframe src="{{ .IframeSource }}">Loading draft...</iframe></div>
-</div>
-<script>
-
-    var iframe = document.querySelector("#draft > iframe");
-
-    document.onclick = function (event) {
-	    var iframe = document.querySelector("#draft > iframe");
-	    switch (event.target.id) {
-	    case "sideview-toggle-media":
-		    iframe.src = "/hugo/media";
-		    break;
-	    case "sideview-toggle-draft":
-		    iframe.src = "{{ .IframeSource }}";
-		    break;
-	    }
-    }
-
-    var uiBindings = {
-	    ltime: {{ .LTime }},
-	    serverLtime: 0,
-	    lastSaved: moment(),
-	    now: moment(),
-	    connectionError: null,
-	    sendQueue: [],
-	    sentRecently: [],
-	    needConfirmation: {},
-    };
-
-    var app = new Vue({
-	    el: "#container",
-	    data: uiBindings,
-	    delimiters: ["${", "}"],
-    });
-
-    function getLtime() {
-	    uiBindings.ltime++
-	    return uiBindings.ltime
-    }
-
-    function observeServer(l, confirmed) {
-	    uiBindings.serverLtime = l;
-	    if (confirmed && confirmed.length > 0) {
-		    confirmed.forEach(function (e) {
-			    delete uiBindings.needConfirmation[e];
-		    })
-	    }
-	    observe(l);
-    }
-
-    function observe(l) {
-	 if (l > uiBindings.ltime) { 
-		 uiBindings.now = moment();
-		 uiBindings.lastSaved = moment();
-		 uiBindings.ltime = l;
-	 }
-    }
-
-    var selectedImage;
-    var editorElem = document.getElementById("editor");
-    var editor = new SimpleMDE({
-	    element: editorElem,
-	    forceSync: true,
-	    insertTexts: {
-		    image: ["{\{% thumb filename=\"", "#url#\" width=\"200\" %}}"]
-	    },
-	    imageURLFn: function () {
-		    return selectedImage;
-	    }
-    });
-
-    window.onmessage = function (evt) {
-	    selectedImage = evt.data;
-    }
-
-
-    // Create WebSocket connection.
-    var socket = connect();
-
-
-    const sawChangesBumpsTo = 10;
-
-    var sentinelSrc = 'about:blank';
-    var oldSrc = '';
-
-    var sawChanges = -1;
-    window.setInterval(function () {
-	    if (sawChanges >= 0) {
-		    sawChanges--;
-		    if (sawChanges == 0) {
-			    if (iframe.contentWindow) {
-				    iframe.contentWindow.location.reload();
-			    }
-		    }
-	    }
-
-	    uiBindings.now = moment();
-	    if (uiBindings.connectionError) {
-		    socket = connect();
-	    } else if (uiBindings.sendQueue.length > 0) {
-		    var ltime = getLtime();
-
-		    // record lowest pending
-		    // ltime at the time this message
-		    // was serialized
-		    var lowestPending = ltime;
-		    for (c in uiBindings.needConfirmation) {
-			    c = parseInt(c, 10);
-			    if (lowestPending === 0 || c < lowestPending) {
-				    lowestPending = c;
-			    }
-		    }
-
-		    var msg = JSON.stringify({
-			    "deltas": uiBindings.sendQueue,
-			    "ltime": ltime,
-			    "lowestPending": lowestPending,
-		    });
-		    uiBindings.sendQueue = [];
-		    uiBindings.needConfirmation[ltime] = msg;
-	    }
-
-	    for (ltime in uiBindings.needConfirmation) {
-		    var msg = uiBindings.needConfirmation[ltime];
-		    socket.send(msg);
-	    }
-    }, 500);
-
-    function connect() {
-	    const socket = new WebSocket((location.protocol == "https:" ? 'wss://' : 'ws://') + location.host + location.pathname);
-
-	    // Listen for messages
-	    socket.addEventListener('message', function (event) {
-		 var message = JSON.parse(event.data);
-		 observeServer(message.ltime, message.confirmed);
-
-		 var deltas = [];
-		 deltas.push.apply(deltas, message.deltas);
-
-		 deltas.forEach(function(aceDelta) {
-			 var cmDelta = aceDeltaToCM(aceDelta)
-
-			 var content = ""
-			 var to = {
-				 line: aceDelta.start.row,
-				 ch: aceDelta.start.column,
-			 }
-
-			 if (aceDelta.action == "insert") {
-				 content = aceDelta.lines.join("\n");
-				 to = null;
-			 }
-
-			 editor.codemirror.doc.replaceRange(content, cmDelta.from, to, "dontreflect");
-			 sawChanges = sawChangesBumpsTo;
-		 })
-	    });
-
-	    socket.addEventListener('open', function () {
-		    uiBindings.connectionError = null;
-	    });
-
-	    socket.addEventListener('close', function () {
-		    if (!uiBindings.connectionError) {
-			    getLtime();
-			    uiBindings.connectionError = "server connection closed, reconnecting...";
-		    }
-	    });
-
-	    socket.addEventListener('error', function (err) {
-		    if (!uiBindings.connectionError) {
-			    uiBindings.connectionError = err;
-		     	    getLtime();
-		    }
-		    console.log(err);
-	    });
-
-
-	    return socket;
-    }
-
-    editor.codemirror.on("change", function (cm, cmDelta) {
-		    if (cmDelta.origin == "dontreflect") {
-			    return;
-		    }
-
-		    var aceDelta = cmDeltaToAce(cmDelta);
-		    console.log(cmDelta, "=>", aceDelta)
-
-		    sawChanges = sawChangesBumpsTo;
-		    uiBindings.sendQueue.push.apply(uiBindings.sendQueue, aceDelta);
-    })
-
-    function cmDeltaToAce(cmDelta) {
-	    var isRemove =  (cmDelta.removed.length > 0 && cmDelta.removed[0].length > 0) || cmDelta.removed.length > 1;
-	    var lines = isRemove ? cmDelta.removed : cmDelta.text;
-	    var aceDelta = {
-		    action: isRemove ? "remove" : "insert",
-		    lines: lines,
-		    start: {
-			    row: cmDelta.from.line,
-			    column: cmDelta.from.ch,
-		    },
-		    end: {
-			    row: cmDelta.from.line + (isRemove ? lines.length - 1 : lines.length - 1 ),
-			    column: lines[lines.length-1].length,
-		    }
-	    };
-
-	    if (aceDelta.start.row == aceDelta.end.row) {
-		    aceDelta.end.column += cmDelta.from.ch;
-	    }
-
-	    if (false && isRemove && aceDelta.start.row == aceDelta.end.row) {
-		    var origStart = aceDelta.start;
-		    aceDelta.start = aceDelta.end;
-		    aceDelta.end = origStart;
-		    aceDelta.start.column += cmDelta.from.ch;
-	    }
-
-	    if (isRemove && ((cmDelta.text.length > 0 && cmDelta.text[0].length > 0) || cmDelta.text.length > 1)) {
-		    cmDelta.removed = [""];
-		    var ret = [aceDelta];
-		    ret.push.apply(ret, cmDeltaToAce(cmDelta));
-		    return ret;
-	    }
-
-	    return [aceDelta];
-    }
-
-    function aceDeltaToCM(aceDelta) {
-
-	    var cmDelta = {
-		    text: [],
-		    removed: [],
-		    from: {
-			    line: aceDelta.start.row,
-			    ch: aceDelta.start.column,
-		    },
-		    to: {
-			    // cm deltas are weird. to refers to the selection end, which 
-			    // with a simple blinking cursor with no selection, is always 
-			    // the same as from
-			    line: aceDelta.start.row,
-			    ch: aceDelta.start.column,
-		    },
-	    }
-
-	    if (aceDelta.action == "remove") {
-		    var origStart = aceDelta.start;
-		    aceDelta.start = aceDelta.end;
-		    aceDelta.end = origStart;
-
-		    cmDelta.removed = aceDelta.lines
-		    cmDelta.text = [""]
-	    } else {
-		    cmDelta.text = aceDelta.lines
-		    cmDelta.removed = [""]
-	    }
-
-	    return cmDelta;
-    }
-</script>
-</body>
-</html>`
-
-var AdminPage = `<html><body>not implemented</body></html>`
-
-var AuthorPage = `<html>
-<head>
-</head>
-<body>
-{{ $timeFormat := "Jan _2 15:04:05" }}
-	<p>Create content:</p>
-	<form action="/hugo/edit/new" method="POST">
-		<label>Name: <input type="text" name="name" /></label>
-		<select name="type">
-		    {{- range .ContentTypes }}
-			<option value="{{ . }}">{{ . }}</option>
-		    {{- end }}
-		</select>
-		<input type="submit" />
-	</form>
-
-	<p>Edit content:</p>
-	<table>{{ range .Content }}
-	<tr>
-		{{ if .Metadata }}
-			<td>
-				<a href="/hugo/edit/{{ .Filename }}">
-				{{ .Metadata.Title }}
-				</a>
-			</td>
-			<td>
-				{{ .Metadata.Date.Format $timeFormat }}
-				{{ if not (.Metadata.Lastmod.Equal .Metadata.Date) }}
-				(last modified {{.Metadata.Lastmod.Format $timeFormat }})
-				{{end}}
-			</td>
-		{{ else }}
-			<td>
-				<a href="/hugo/edit/{{ .Filename }}">
-				{{ .Filename }}
-				</a>
-			</td>
-			<td>(unable to load metadata)</td>
-		{{ end }}
-	</tr>
-	{{- end }}
-	</table>
-</body>
-</html>`
 
 func UploadPage(elemName string) string {
-	return fmt.Sprintf(`
+	uploadTmplOnce.Do(func() {
-	<input type="file" style="display: hidden;" id="%s" />
+		p := frontend.UploadPage()
-	<div id="%s_dropzone" ondrop="dropHandler(event);" ondragover="draghandler(event);" ondragenter="draghandler(event);" ondragleave="draghandler(event);" style="background-color: rgba(0,0,0,0.5); visibility: hidden; opacity:0; position: fixed; top: 0; bottom: 0; left: 0; right: 0; width: 100%; height: 100%; ; transition: visibility 175ms, opacity 175ms; z-index: 9999999;"></div>
+		t, err := template.New("").Parse(p)
-	<script>
+		if err != nil {
-document.addEventListener("DOMContentLoaded", function () {
+			panic(err)
-	var fileInput = document.getElementById('%s');
-	var dropzone = document.getElementById('%s_dropzone');
-
-	fileInput.onchange = function () {
-		var formData = new FormData();
-		fileInput.files.forEach(function (file) {
-			formData.append(file.name, file);
-		});
-		upload(formData);
 		}
+		uploadTmpl = t
+	})
 
-	var lastTarget = null;
+	var buf bytes.Buffer
-
+	err := uploadTmpl.Execute(&buf, struct{ ElemName string }{elemName})
-	window.addEventListener("dragenter", function(e)
+	if err != nil {
-	{
+		panic(err)
-		lastTarget = e.target; // cache the last target here
-		// unhide our dropzone overlay
-		dropzone.style.visibility = "";
-		dropzone.style.opacity = 1;
-	});
-
-	window.addEventListener("dragleave", function(e)
-	{
-		// this is the magic part. when leaving the window,
-		// e.target happens to be exactly what we want: what we cached
-		// at the start, the dropzone we dragged into.
-		// so..if dragleave target matches our cache, we hide the dropzone.
-		if(e.target === lastTarget)
-		{
-			dropzone.style.visibility = "hidden";
-			dropzone.style.opacity = 0;
 	}
-	});
+	return buf.String()
-
-});
-
-	function draghandler(evt) {
-		evt.preventDefault();
-	}
-
-	function dropHandler(evt) {
-		evt.preventDefault();
-
-		var files = evt.dataTransfer.files;
-		var formData = new FormData();
-
-		for (var i = 0; i < files.length; i++) {
-			formData.append(files[i].name, files[i]);
-		}
-
-		upload(formData);
-		return false;
-	}
-
-	function upload(formData) {
-		var xhr = new XMLHttpRequest();
-		xhr.onreadystatechange = function(e) {
-			if ( 4 == this.readyState ) {
-				window.location.reload(true);
-			}
-		}
-		xhr.open('POST', '/hugo/upload');
-		xhr.send(formData);
-	}
-
-</script>
-`, elemName, elemName, elemName, elemName, elemName, elemName)
 }

testdir/Caddyfile

@@ -0,0 +1,17 @@
+{
+	order hugo last
+}
+
+http://localhost:8080 {
+	hugo {
+		comments test
+	}
+	root ./testdir/testsite
+	log
+}
+
+http://localhost:8081, http://localhost:8082 {
+	root ./testdir/testsite2
+	hugo
+	log
+}

testdir/caddyfile

@@ -1,14 +0,0 @@
-localhost:8080 {
-	hugo {
-		comments test
-	}
-	root ./testsite
-	errors { * }
-	pprof
-}
-
-localhost:8081, localhost:8082 {
-	root ./testsite2
-	hugo
-	errors { * }
-}

testdir/testsite/config.toml

@@ -1,4 +1,3 @@
 baseURL = "http://example.org/"
 languageCode = "en-us"
 title = "My New Hugo Site"
-theme = "hugo-theme-minos"

theme-additions/archetypes/gallery.md

@@ -0,0 +1,16 @@
++++
+title = ""
+tags = [
+  "gallery"
+]
+categories = [
+  "gallery"
+]
+draft = true
+
+[photos]
+"/media/IMG000.png" = "a great photo"
+"/media/IMG003.png" = ""
+
++++
+

theme-additions/assets.go

@@ -0,0 +1,3 @@
+//go:generate go-bindata -ignore .go -pkg themeadditions ./...
+
+package themeadditions

theme-additions/layouts/gallery/single.html

@@ -0,0 +1,15 @@
+{{ partial "head.html" . }}
+
+<body>
+<div id="container">
+    {{ partial "header.html" . }}
+    <section id="main" class="outer">
+        {{ partial "gallery.html" . }}
+        {{ if and (not .Params.nocomment) .Site.Params.disqusShortname }}
+            {{ template "_internal/disqus.html" . }}
+        {{ end }}
+    </section>
+    {{ partial "footer.html" . }}
+</div>
+</body>
+</html>

theme-additions/layouts/partials/gallery.html

@@ -0,0 +1,152 @@
+<style>
+figure {
+	text-align: center;
+	float: left;
+	margin: 0;
+	max-width: 100%;
+	transition-property: height min-height scale; 
+	transition-duration: 1s;
+}
+.floatclear {
+	clear: both;
+}
+</style>
+<article class="article article-type-post" itemscope itemprop="blogPost">
+    <div class="article-inner">
+        {{ if .Title }}
+        <header class="article-header">
+            <h1 class="article-title" itemprop="name">{{ .Title }}</h1>
+        </header>
+        {{ end }}
+        <div class="article-meta">
+            <a href="{{ .RelPermalink }}" class="article-date">
+                <time datetime='{{ .Date.Format "2006-01-02T15:04:05.000-07:00" }}' itemprop="datePublished">{{ .Date.Format "2006-01-02" }}</time>
+            </a>
+            {{ $Site := .Site }}
+            {{ if .Params.categories }}
+            <div class="post-categories">
+                <div class="article-category">
+                    {{ range $i, $e := .Params.categories }}
+                    {{ if gt $i 0 }}
+                    <span>&gt;</span>
+                    {{ end }}
+                    <a class="article-category-link" href="{{ $Site.BaseURL }}/categories/{{ $e | urlize }}">{{ $e }}</a>
+                    {{ end }}
+                </div>
+            </div>
+            {{ end }}
+            {{ if .Site.Params.disqusShortname }}
+            <div class="article-comment-link-wrap">
+                <a href="{{ .RelPermalink }}#disqus_thread" class="article-comment-link">Comments</a>
+            </div>
+            {{ end }}
+        </div>
+        <div class="article-entry" itemprop="articleBody">
+	    {{ range $i, $_ := .Params.photos }}
+		{{ $splitnum := split .url "/" | len | add -1}}
+		{{ $name := index (split .url "/") $splitnum }}
+		{{ if not $i }}
+		   <figure class="image" id="full-figure" >
+			<img src="/media/{{ $name }}" id="{{$name}}" {{ with .alt }}alt="{{ . }}"{{ end }} data-caption="{{.caption}}"/>
+			<figcaption>{{ with .caption }}{{ . }}{{ end }}</figcaption>
+		   </figure>
+		   <div class="floatclear"></div>
+		{{ end }}
+
+		   <figure class="thumb" >
+			<img src="/media/x100/{{ $name }}" id="{{$name}}" alt="{{ with .alt }}{{ . }}{{ else }}{{ .caption }}{{ end }}" data-name="{{$name}}" data-caption="{{.caption}}"/>
+		   </figure>
+	    {{ end }}
+            <div class="floatclear"></div>
+            {{ .Content }}
+        </div>
+	<script>
+	function getElementIndex(node) {
+            var index = 0;
+            while ( (node = node.previousElementSibling) ) {
+                index++;
+            }
+            return index;
+        }
+
+	var image = document.querySelector("figure.image").firstElementChild;
+	image.parentElement.style.minHeight = image.scrollHeight + "px";
+
+	image.onload = function () {
+		image.parentElement.style.minHeight = '';
+	};
+
+	document.querySelector(".article-entry").onclick = function (evt) {
+		if (evt.target.tagName === "IMG" && evt.target.parentElement.className === "thumb") {
+			image.src = ""
+			image.src = "/media/" + evt.target.dataset.name;
+			image.nextElementSibling.innerText = evt.target.dataset.caption;
+		}
+	}
+	</script>
+
+        {{ if not .Params.notoc }}
+        {{ if .TableOfContents }}
+        <div class="article-toc" {{ if .Site.Params.SmartToc }}style="display:none;"{{ end }}>
+            <h3>Contents</h3>
+            {{ .TableOfContents }}
+        </div>
+        {{ end }}
+        {{ end }}
+
+        {{ if .Site.Params.SmartToc }}
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.slim.min.js" integrity="sha256-/SIrNqv8h6QGKDuNoLGA4iret+kyesCkHGzVUUV0shc=" crossorigin="anonymous"></script>
+        <script>
+            (function() {
+                var $toc = $('#TableOfContents');
+                if ($toc.length > 0) {
+                    var $window = $(window);
+
+                    function onScroll(){
+                        var currentScroll = $window.scrollTop();
+                        var h = $('.article-entry h1, .article-entry h2, .article-entry h3, .article-entry h4, .article-entry h5, .article-entry h6');
+                        var id = "";
+                        h.each(function (i, e) {
+                            e = $(e);
+                            if (e.offset().top - 10 <= currentScroll) {
+                                id = e.attr('id');
+                            }
+                        });
+                        var active = $toc.find('a.active');
+                        if (active.length == 1 && active.eq(0).attr('href') == '#' + id) return true;
+
+                        active.each(function (i, e) {
+                            $(e).removeClass('active').siblings('ul').hide();
+                        });
+                        $toc.find('a[href="#' + id + '"]').parentsUntil('#TableOfContents').each(function (i, e) {
+                            $(e).children('a').addClass('active').siblings('ul').show();
+                        });
+                    }
+
+                    $window.on('scroll', onScroll);
+                    $(document).ready(function() {
+                        $toc.find('a').parent('li').find('ul').hide();
+                        onScroll();
+                        document.getElementsByClassName('article-toc')[0].style.display = '';
+                    });
+                }
+            })();
+        </script>
+        {{ end }}
+
+
+        {{ if .Params.tags }}
+        <footer class="article-footer">
+            <ul class="article-tag-list">
+                {{ range .Params.tags }}
+                <li class="article-tag-list-item">
+                    <a class="article-tag-list-link" href="{{ $Site.BaseURL}}/tags/{{ . | urlize }}">{{ . }}
+                    </a>
+                </li>
+                {{ end }}
+            </ul>
+        </footer>
+        {{ end }}
+    </div>
+    {{ partial "nav.html" . }}
+</article>

theme-additions/layouts/shortcodes/comments.html

@@ -0,0 +1,26 @@
+<script>
+                window.onload = function () {
+                        refreshComments();
+                };
+
+                function refreshComments() {
+                        var xhr = new XMLHttpRequest();
+                        xhr.open("GET", "./comments");
+                        xhr.onload = function () {
+                                document.querySelector("#comments").innerHTML = xhr.responseText;
+                        };
+                        xhr.send();
+                }
+
+                window.submitComment = function (evt) {
+                        evt.preventDefault();
+                        var xhr = new XMLHttpRequest();
+                        xhr.open('POST', './comments', true);
+                        xhr.send(JSON.stringify({"text": evt.target.querySelector('textarea').value}));
+                        xhr.onload = function () {
+                                refreshComments();
+                        }
+                }
+</script>
+<div id="comments"></div>
+

theme-additions/layouts/shortcodes/thumb.html

@@ -0,0 +1,17 @@
+{{ $filename := .Get "filename" -}}
+{{ $ext := substr $filename (sub (len $filename) 4) }}
+<p
+{{ if eq (.Get "align") "left" }}class="leftimg"{{else if (.Get "align") "right"}}class="rightimg"{{end }}>
+{{ if eq $ext ".mp4" }}
+<video src="/media/
+{{- with .Get "width"}}{{.}}{{else}}100{{end}}x{{with .Get "height"}}{{.}}{{else}}{{end}}/{{ $filename -}}"
+controls allowfullscreen
+></video>
+{{ else }}
+<a href="/media/{{ $filename }}" target="_blank"><img src="/media/
+{{- with .Get "width"}}{{.}}{{else}}100{{end}}x{{with .Get "height"}}{{.}}{{else}}{{end}}/{{ $filename -}}"
+{{ with .Get "caption" }}title="{{.}}"{{end}}
+{{ with .Get "caption" }}alt="{{.}}"{{end}}
+/></a>
+{{end}}
+</p>

tools.go

@@ -0,0 +1,3 @@
+package caddyhugo
+
+import _ "github.com/caddyserver/xcaddy"