improvements

caddyhugo.go

@@ -1,8 +1,10 @@
 package caddyhugo
 
 import (
+	"fmt"
 	"html/template"
 	"net/http"
+	"path"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -10,25 +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"
-	"github.com/caddyserver/caddy/caddyhttp/httpserver"
+	"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/spf13/afero"
 )
 
 func init() {
-	caddy.RegisterPlugin("hugo", caddy.Plugin{
-		ServerType: "http",
-		Action:     SetupCaddy,
+	caddy.RegisterModule(&CaddyHugo{})
+	httpcaddyfile.RegisterHandlerDirective("hugo", parseCaddyfile)
+}
+
+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
+// 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
 
@@ -46,6 +104,17 @@ 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 {
 	return buildSite(ch.HugoSites)
@@ -78,3 +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)
+)

content.go

@@ -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

@@ -90,7 +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,
@@ -99,7 +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{})
@@ -107,7 +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)
@@ -122,7 +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
 
@@ -210,7 +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:
 		}
 
@@ -223,7 +223,7 @@ func (ch *CaddyHugo) handleDeltaConn(conn DeltaConn, doc *editSession) (int, err
 		case <-wroteMessagesCh:
 			resetTimer(idlePing)
 		case <-doneCh:
-			return 200, nil
+			return nil
 		}
 	}
 }

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

@@ -1,18 +1,142 @@
 module git.stephensearles.com/stephen/caddy-hugo2
 
-go 1.13
+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 v1.0.3
-	github.com/gobuffalo/envy v1.7.0 // indirect
-	github.com/gohugoio/hugo v0.58.1
+	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 v1.4.0
+	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
 )

http.go

@@ -2,9 +2,9 @@ package caddyhugo
 
 import (
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"io"
-	"net"
 	"net/http"
 	"os"
 	"path"
@@ -12,26 +12,25 @@ import (
 	"strings"
 
 	"git.stephensearles.com/stephen/caddy-hugo2/assets"
-	"github.com/caddyserver/caddy"
-	"github.com/caddyserver/caddy/caddyhttp/httpserver"
+	"github.com/caddyserver/caddy/v2/modules/caddyhttp"
 	"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" {
@@ -41,32 +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 http.StatusInternalServerError, nil
+			return err
 		}
 
 		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)
@@ -91,38 +89,25 @@ func (ch *CaddyHugo) ServeHTTPWithNext(next httpserver.Handler, w http.ResponseW
 	}
 	if strings.HasPrefix(r.URL.Path, "/hugo/fs/") {
 		printTree(afero.NewOsFs(), w, ch.Dir)
-		return 200, nil
+		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
-}
-
-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)
-		})
-	}
+	return nil
 }
 
 func (ch *CaddyHugo) Auth(r *http.Request) bool {
@@ -131,11 +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
 	}
@@ -155,34 +135,34 @@ func (ch *CaddyHugo) Match(r *http.Request) bool {
 	return strings.HasPrefix(r.URL.Path, "/hugo/")
 }
 
-func (ch *CaddyHugo) Admin() httpserver.Handler {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) Admin() caddyhttp.Handler {
+	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 {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) AuthorHome() caddyhttp.Handler {
+	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 {
-	return httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
+func (ch *CaddyHugo) Edit() caddyhttp.Handler {
+	return caddyhttp.HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
 		if r.URL.Path == "/hugo/edit/new" {
 			return ch.ServeNewContent(w, r)
 		}
@@ -194,32 +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 http.StatusNotFound, nil
+		return errors.New("not found")
 	}
 
 	encoded := pathSegments[3]
 
 	nameBytes, err := base64.RawURLEncoding.DecodeString(encoded)
 	if err != nil {
-		return http.StatusNotFound, err
+		return errors.New("not found")
 	}
 
 	name := string(nameBytes)
@@ -229,7 +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)
@@ -240,13 +219,13 @@ 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) {
@@ -328,9 +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)
@@ -338,10 +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
 }

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

@@ -18,7 +18,12 @@ func (ch *CaddyHugo) ReferencedMedia() map[string]map[page.Page]struct{} {
 	found := map[string]map[page.Page]struct{}{}
 
 	for _, pg := range ch.HugoSites.Pages() {
-		r := bytes.NewBufferString(string(pg.Render()))
+		renderOutput, err := pg.Render()
+		if err != nil {
+			continue
+		}
+
+		r := bytes.NewBufferString(string(renderOutput))
 		doc, err := goquery.NewDocumentFromReader(r)
 		if err != nil {
 			continue
@@ -43,16 +48,16 @@ func (ch *CaddyHugo) ReferencedMedia() map[string]map[page.Page]struct{} {
 	return found
 }
 
-func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) (int, error) {
+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 {
@@ -62,7 +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()
@@ -70,18 +75,18 @@ 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()
@@ -114,7 +119,7 @@ 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() {
@@ -167,15 +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
 	}
 
 	ch.Media.ServeHTTP(w, r)
-	return 200, nil
+	return nil
 }

setup.go

@@ -5,18 +5,16 @@ import (
 	"html/template"
 	"os"
 	"path"
-	"path/filepath"
 
 	"git.stephensearles.com/stephen/caddy-hugo2/comments"
 	"git.stephensearles.com/stephen/caddy-hugo2/media"
 
-	"github.com/caddyserver/caddy"
-	"github.com/caddyserver/caddy/caddyhttp/httpserver"
 	"github.com/gohugoio/hugo/hugofs"
 )
 
 var eventHookCounter uint64
 
+/*
 func SetupCaddy(c *caddy.Controller) error {
 	ch := &CaddyHugo{}
 
@@ -36,18 +34,13 @@ func SetupCaddy(c *caddy.Controller) error {
 
 	return err
 }
+*/
 
-func (ch *CaddyHugo) commentsSetting(c *caddy.Controller) {
-	for c.NextLine() {
-		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() {
-						ch.Comments.Password = c.Val()
-					}
-				}
-			}
+func (ch *CaddyHugo) commentsSetting() {
+	if ch.Site.CommentsEnabled {
+		ch.Comments = comments.WithStorage(comments.NewDiskv(path.Join(ch.Site.Root, "comments")))
+		if ch.Site.CommentsPassword != "" {
+			ch.Comments.Password = ch.Site.CommentsPassword
 		}
 	}
 }
@@ -55,6 +48,7 @@ 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{})

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"
-
-	"github.com/caddyserver/caddy/caddyhttp/httpserver"
+	"git.stephensearles.com/stephen/caddy-hugo2/frontend"
 )
 
 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>
-<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;
-	    });
+var EditPage = frontend.EditPage()
 
-	    socket.addEventListener('close', function () {
-		    if (!uiBindings.connectionError) {
-			    getLtime();
-			    uiBindings.connectionError = "server connection closed, reconnecting...";
-		    }
-	    });
+var AdminPage = frontend.AdminPage()
 
-	    socket.addEventListener('error', function (err) {
-		    if (!uiBindings.connectionError) {
-			    uiBindings.connectionError = err;
-		     	    getLtime();
-		    }
-		    console.log(err);
-	    });
+var AuthorPage = frontend.AuthorPage()
 
-
-	    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>`
+var uploadTmpl *template.Template
+var uploadTmplOnce sync.Once
 
 func UploadPage(elemName string) string {
-	return fmt.Sprintf(`
-	<input type="file" style="display: hidden;" id="%s" />
-	<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>
-	<script>
-document.addEventListener("DOMContentLoaded", function () {
-	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);
-	}
-
-	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;
+	uploadTmplOnce.Do(func() {
+		p := frontend.UploadPage()
+		t, err := template.New("").Parse(p)
+		if err != nil {
+			panic(err)
 		}
-	});
-
-});
-
-	function draghandler(evt) {
-		evt.preventDefault();
-	}
-
-	function dropHandler(evt) {
-		evt.preventDefault();
+		uploadTmpl = t
+	})
 
-		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);
+	var buf bytes.Buffer
+	err := uploadTmpl.Execute(&buf, struct{ ElemName string }{elemName})
+	if err != nil {
+		panic(err)
 	}
-
-</script>
-`, elemName, elemName, elemName, elemName, elemName, elemName)
+	return buf.String()
 }

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"

tools.go

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