From 7072d4c343cc22cd823d890608768e204ef429d3 Mon Sep 17 00:00:00 2001
From: Skylar Ittner <admin@netsyms.com>
Date: Mon, 7 May 2018 00:43:52 -0600
Subject: [PATCH] Add server file picker to TinyMCE (close #20)

---
 lib/filepicker.php        | 112 ++++++++++++++++++++++++++++++++++++++
 pages.php                 |   3 +-
 pages/editor.php          |  19 +++++++
 static/css/filepicker.css |  10 ++++
 static/js/editor.js       |  19 ++++---
 static/js/editorparent.js |  30 ++++++++++
 6 files changed, 184 insertions(+), 9 deletions(-)
 create mode 100644 lib/filepicker.php
 create mode 100644 static/css/filepicker.css

diff --git a/lib/filepicker.php b/lib/filepicker.php
new file mode 100644
index 0000000..5377058
--- /dev/null
+++ b/lib/filepicker.php
@@ -0,0 +1,112 @@
+<?php
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+require_once __DIR__ . '/../required.php';
+
+dieifnotloggedin();
+
+include_once __DIR__ . "/../lib/mimetypes.php";
+
+$base = FILE_UPLOAD_PATH;
+
+$folder = "";
+if (isset($VARS['path']) && file_exists($base . $VARS['path']) && strpos(realpath($base . $VARS['path']), FILE_UPLOAD_PATH) === 0) {
+    $folder = $VARS['path'];
+}
+
+if ($folder == "/") {
+    $folder = "";
+}
+
+$fullpath = $base . $folder;
+?>
+
+<div class="mb-2">
+    <nav aria-label="breadcrumb" class="my-auto">
+        <ol class="breadcrumb m-0">
+            <?php
+            $pathparts = explode("/", "$folder");
+            $pstr = "";
+            for ($i = 0; $i < count($pathparts); $i++) {
+                $p = $pathparts[$i];
+                $pstr .= "/$p";
+                $pstr = "/" . ltrim($pstr, "/");
+                if ($i == 0) {
+                    $p = "<span class=\"fas fa-home\"></span>";
+                }
+                if ($i == count($pathparts) - 1) {
+                    echo "\t<li aria-current=\"page\" class=\"breadcrumb-item active\">$p</li>";
+                } else {
+                    echo "\t<li class=\"breadcrumb-item\"><span class=\"filepicker-item\" data-type=\"dir\" data-path=\"$pstr\">$p</a></li>";
+                }
+                echo "\n";
+            }
+            ?>
+        </ol>
+    </nav>
+</div>
+<div class="list-group">
+    <?php
+    $files = scandir($fullpath);
+    $count = 0;
+    foreach ($files as $f) {
+        if (strpos($f, '.') !== 0) {
+            $count++;
+            $link = "$folder/$f";
+            $target = "_BLANK";
+            $isdir = false;
+            $icon = "fas fa-file";
+            if (is_dir($fullpath . "/" . $f)) {
+                $isdir = true;
+                $link = "app.php?page=files&path=$folder/$f";
+                $icon = "fas fa-folder";
+                $target = "";
+            } else {
+                $link = "public/file.php?file=$folder/$f";
+                $extension = pathinfo($fullpath . "/" . $f)['extension'];
+                // If we don't have an extension, try using the whole filename
+                if ($extension == "") {
+                    $extension = $f;
+                }
+                $mimetype = "application/octet-stream";
+                // Lookup mimetype from extension
+                if (array_key_exists($extension, $EXT2MIME)) {
+                    $mimetype = $EXT2MIME[$extension];
+                }
+                // Lookup icon from mimetype
+                if (array_key_exists($mimetype, $MIMEICONS)) {
+                    $icon = $MIMEICONS[$mimetype];
+                } else { // Allow broad generic <format>/other icons
+                    $mimefirst = explode("/", $mimetype, 2)[0];
+                    if (array_key_exists($mimefirst . "/other", $MIMEICONS)) {
+                        $icon = $MIMEICONS[$mimetype];
+                    }
+                }
+            }
+            ?>
+            <div
+                class="list-group-item filepicker-item"
+                data-type="<?php echo $isdir ? "dir" : "file" ?>"
+                data-path="<?php echo "$folder/$f"; ?>"
+                data-file="<?php echo $f; ?>">
+                <span class="<?php echo $icon; ?> fa-fw"></span> <?php echo $f; ?>
+            </div>
+            <?php
+        }
+    }
+    if ($count == 0) {
+        ?>
+        <div class="list-group-item text-center">
+            <p class="text-muted">
+                <i class="far fa-folder-open fa-5x fa-fw"></i>
+            </p>
+            <p class="h5 text-muted">
+                <?php lang("nothing here"); ?>
+            </p>
+        </div>
+        <?php
+    }
+    ?>
+</div>
\ No newline at end of file
diff --git a/pages.php b/pages.php
index c8ff144..8b8e136 100644
--- a/pages.php
+++ b/pages.php
@@ -40,7 +40,8 @@ define("PAGES", [
         "title" => "editor",
         "styles" => [
             "static/css/editorparent.css",
-            "static/css/iconselector.css"
+            "static/css/iconselector.css",
+            "static/css/filepicker.css",
         ],
         "scripts" => [
             "static/js/editorparent.js",
diff --git a/pages/editor.php b/pages/editor.php
index be9eb66..16149ea 100644
--- a/pages/editor.php
+++ b/pages/editor.php
@@ -68,6 +68,25 @@ if (!is_empty($VARS['siteid'])) {
 }
 ?>
 
+<div class="modal fade" id="fileBrowseModal" tabindex="-1" role="dialog" aria-labelledby="fileBrowseLabel" aria-hidden="true">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title" id="fileBrowseLabel"><i class="far fa-folder-open"></i> <?php lang("browse"); ?></h5>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body" id="fileBrowseModalBody">
+                <i class="fas fa-spin fa-circle-notch"></i> <?php lang("loading"); ?>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" data-dismiss="modal"><?php lang("cancel"); ?></button>
+            </div>
+        </div>
+    </div>
+</div>
+
 <div class="modal fade" id="pageSettingsModal" tabindex="-1" role="dialog" aria-labelledby="pageSettingsLabel" aria-hidden="true">
     <div class="modal-dialog" role="document">
         <form class="modal-content" action="action.php" method="POST">
diff --git a/static/css/filepicker.css b/static/css/filepicker.css
new file mode 100644
index 0000000..a6a0d49
--- /dev/null
+++ b/static/css/filepicker.css
@@ -0,0 +1,10 @@
+/*
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
+.filepicker-item {
+    cursor: pointer;
+    color: #2196F3;
+}
\ No newline at end of file
diff --git a/static/js/editor.js b/static/js/editor.js
index 1087708..f676f58 100644
--- a/static/js/editor.js
+++ b/static/js/editor.js
@@ -31,6 +31,8 @@ function saveEdits() {
     parent.postMessage('save ' + json, "*");
 }
 
+var filePickerCallback = null;
+
 $(document).ready(function () {
     $('a').click(function (e) {
         e.preventDefault();
@@ -46,25 +48,22 @@ $(document).ready(function () {
     tinymce.init({
         selector: '.sw-editable',
         inline: true,
-        paste_data_images: true,
         plugins: [
             'autolink lists link image imagetools charmap',
             'searchreplace visualblocks code fullscreen',
             'media table contextmenu paste code'
         ],
         branding: false,
-        /*menu: {
-            edit: {title: 'Edit', items: 'undo redo | cut copy paste pastetext | selectall | findreplace'},
-            view: {title: 'View', items: 'sourcecode | visualaid showblocks'},
-            insert: {title: 'Insert', items: 'image link media table | charmap'},
-            format: {title: 'Format', items: 'bold italic underline strikethrough superscript subscript | blocks align formats | removeformat'},
-            table: {title: 'Table', items: 'inserttable tableprops deletetable | cell row column'}
-        },*/
+        elementpath: false,
         menubar: 'edit insert view format table tools',
         toolbar: 'insert | undo redo | formatselect | bold italic | bullist numlist outdent indent | removeformat | fullscreen',
         link_list: function (success) {
             success(pages_list);
         },
+        file_picker_callback: function (callback, value, meta) {
+            filePickerCallback = callback;
+            parent.postMessage('browse ' + meta.filetype, "*");
+        },
         mobile: {
             theme: 'mobile'
         }
@@ -114,6 +113,10 @@ $(document).ready(function () {
             var comp = json["component"];
             var data = json["content"];
             $(".sw-complex[data-component='" + comp + "']").data("json", JSON.stringify(data));
+        } else if (event.data.startsWith("picked ")) {
+            var json = JSON.parse(event.data.slice(7));
+            console.log(json);
+            filePickerCallback(json.path, json.meta);
         }
     });
 });
\ No newline at end of file
diff --git a/static/js/editorparent.js b/static/js/editorparent.js
index 8102108..c5b904c 100644
--- a/static/js/editorparent.js
+++ b/static/js/editorparent.js
@@ -78,6 +78,34 @@ function editComplex(json) {
     $("#editModal").modal();
 }
 
+function loadFilePickerFolder(path) {
+    $.get("lib/filepicker.php", {
+        path: path
+    }, function (data) {
+        $("#fileBrowseModalBody").html(data);
+        $(".filepicker-item").click(function () {
+            if ($(this).data("type") == "dir") {
+                loadFilePickerFolder($(this).data("path"));
+            } else {
+                var path = "file.php?file=" + $(this).data("path");
+                var data = {
+                    path: path,
+                    meta: {}
+                };
+                json = JSON.stringify(data);
+                document.getElementById("editorframe").contentWindow.postMessage("picked " + json, "*");
+                $("#fileBrowseModal").modal('hide');
+            }
+        })
+    });
+}
+
+function openFilePicker(type) {
+    loadFilePickerFolder("/");
+    $("#fileBrowseModal").modal();
+}
+
+
 $("#editModalSave").on("click", function () {
     var data = {};
     data["component"] = $("#editModal").data("component");
@@ -102,6 +130,8 @@ window.addEventListener('message', function (event) {
         save(event.data.slice(5));
     } else if (event.data.startsWith("editcomplex ")) {
         editComplex(event.data.slice(12));
+    } else if (event.data.startsWith("browse ")) {
+        openFilePicker(event.data.slice(7));
     }
 });