diff options
Diffstat (limited to 'front')
| -rw-r--r-- | front/loggedin.ts | 1195 |
1 files changed, 1195 insertions, 0 deletions
diff --git a/front/loggedin.ts b/front/loggedin.ts new file mode 100644 index 0000000..db237ac --- /dev/null +++ b/front/loggedin.ts @@ -0,0 +1,1195 @@ +// This should be only set to false for debugging purposes +// If it's set to false, the upload requests will be synchronous +// and you will be able to see PHP's echo output in the browser +var FORM_ASYNC = true; + +// A FileView is an entry inside the explorer window +class FileView { + filename: string; + wnd: OurWindow; + visuals: HTMLElement; + mimetype: string; + is_directory: boolean; + write_permissions: boolean; + + constructor(filename, wnd, mimetype, is_directory, write_permissions) { + this.filename = filename; + this.wnd = wnd; + this.visuals = null; // The DOM object with the icon and the filenam text + this.mimetype = mimetype; + this.is_directory = is_directory; + this.write_permissions = write_permissions; + } + + full_path() { + return path_combine(get_path(this.wnd), this.filename); + } +} + +// An array of all fileviews currently open + +class OurWindow { + pwd: string[]; + visuals: HTMLElement; + h2: HTMLElement; // The titlebar of the window + fileview: any; // TODO what is this + files: any[]; + txt_editor: HTMLElement; // For editable text files, this is the DOM element the user can edit + + // TODO move these to a subclass + foldercontents: any; + filecontents: any; + filecontentsroot: any; + filegrid: any; + save_btn_container: any; + + constructor(pwd) { + this.pwd = pwd; // pwd = [ "Folder1", "Folder2" ] means the current directory of that window is /Folder1/Folder2 + this.visuals = null; // The DOM object + this.h2 = null; // The titlebar of the window + this.fileview = null; + this.files = []; + this.txt_editor = null; // For editable text files, this is the DOM element the user can edit + } +} + +// An array with all the windows on the screen +var windows: OurWindow[] = []; + +// The focused window +var focused_window: OurWindow = null; + +// Those all belong to the hidden file upload form +const upload_form: HTMLFormElement = document.getElementById("upload_form") as any; +const filename_input: HTMLInputElement = document.getElementById("filename") as any; +const override_input: HTMLInputElement = document.getElementById("override_input") as any; +const upload_parent_directory: HTMLInputElement = document.getElementById("upload_parent_directory") as any; +const the_file: HTMLInputElement = document.getElementById("the_file") as any; + +// If this is set to true, requests to uploads.php will be sent with the "override" flag +// which will override existing files with the same name +var override_file = false; +var override_file_filename = ""; +var override_file_path = ""; + +var open_file = null; + +// Some elements have custom right click context menus +// If there's a custom context menu active, this will be it +var context_menu = null; + + +// If we're currently dragging something (a window or a file), this is the DOM object we're dragging +// dragging_offset_x and dragging_offset_y are the difference between the objec's top left point and the cursor position +// this is then added to the cursor position when the mouse is moved +var dragging = null; +var dragging_offset_x = 0, dragging_offset_y = 0; + +// If we have pressed down a window's title bar but haven't yet started dragging it, it's the drag candidate +// This is needed because we don't yet know whether we want to start dragging the window or click an element in the titlebar +// Once the mouse has moved sufficiently far away from dragging_candidate_x or y, we start dragging +var dragging_candidate = null; +var dragging_candidate_x, dragging_candidate_y; + +// If we're dragging a fileview, this is set to the fileview class instance itself, because 'dragging' is just a DOM object +// The placeholder is a dummy DIV that we insert in the object's place on the grid to keep things nicely aligned +var dragging_fileview; +var dragging_placeholder = null; + +// Windows have a z-index. When we click a window it is sent to the top this will be its new z-index +// We then increment the depth, and the next window we click will go on top of the current one +var depth = 20; + + + +function main() { + // Create a window that looks at the root directory + var root_window = make_window([], false); + + // Focus that window and load the directory + focus_window(root_window); + openfile(true, root_window); +} + +function focus_window(wnd: OurWindow) { + // Unfocus the old window + if (focused_window) + focused_window.visuals.classList.remove('focus'); + focused_window = wnd; + // And focus the new one! + if (wnd) { + wnd.visuals.classList.add('focus'); + wnd.visuals.style.zIndex = (depth ++).toString(); + } +} + +// Delete the focused window +function delete_window(wnd: OurWindow) { + var index = windows.indexOf(wnd); + + if (index >= 0) + windows.splice(index, 1); + + wnd.visuals.parentNode.removeChild(wnd.visuals); + if (wnd == focused_window) + focused_window = null; +} + +// Create a right click context menu +function context(e, entries) { + if (context_menu) + context_menu.remove(); + + context_menu = mk(document.body, 'ul', 'context'); + + context_menu.onmousedown = (e) => { + e.stopPropagation(); + } + + context_menu.onclick = (_e) => { + context_menu.remove(); + context_menu = null; + } + + + context_menu.style.left = e.clientX + "px"; + context_menu.style.top = e.clientY + "px"; + + for (const e of entries) { + const li = document.createElement('li'); + li.innerText = e[0]; + li.onclick = e[1]; + context_menu.appendChild(li); + } +} + +// This is called whenever the <input type="file">'s value changes +function on_file_added(_e) { + if (the_file.files.length >= 1) { + + if (override_file) { + filename_input.value = override_file_filename; + override_input.value = "1"; + upload_parent_directory.value = override_file_path; + console.log(filename_input.value, override_input.value, upload_parent_directory.value); + } else { + filename_input.value = the_file.files[0].name; + override_input.value = "0"; + upload_parent_directory.value = get_path(focused_window); + } + + if (!FORM_ASYNC) { + upload_form.submit(); + return; + } + + // Send the form asynchronously through the fetch api + fetch(upload_form.action, { + method: upload_form.method, + body: new FormData(upload_form) + }).then((resp) => { + if (resp.status == 200) { + // Reload the directory so the user can see the newly uploaded file + openfile(true, focused_window); + } else { + alert("Upload failed"); + } + }, () => { + alert("Upload failed") + }); + } + else { + alert("No files selected"); + } +} + +// It's honestly really sad that we need this +// We have an image viewer, but we load the uploaded via the XMLHttpRequest API, which gives us an array buffer +// We need to base64 encode the image data so we can feed it into the <img src="..."> +// and the standart base64 encode API is shit +// https://stackoverflow.com/questions/7370943/retrieving-binary-file-content-using-javascript-base64-encode-it-and-reverse-de +function base64ArrayBuffer(arrayBuffer) { + var base64 = '' + var encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' + + var bytes = new Uint8Array(arrayBuffer) + var byteLength = bytes.byteLength + var byteRemainder = byteLength % 3 + var mainLength = byteLength - byteRemainder + + var a, b, c, d + var chunk + + // Main loop deals with bytes in chunks of 3 + for (var i = 0; i < mainLength; i = i + 3) { + // Combine the three bytes into a single integer + chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2] + + // Use bitmasks to extract 6-bit segments from the triplet + a = (chunk & 16515072) >> 18 // 16515072 = (2^6 - 1) << 18 + b = (chunk & 258048) >> 12 // 258048 = (2^6 - 1) << 12 + c = (chunk & 4032) >> 6 // 4032 = (2^6 - 1) << 6 + d = chunk & 63 // 63 = 2^6 - 1 + + // Convert the raw binary segments to the appropriate ASCII encoding + base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d] + } + + // Deal with the remaining bytes and padding + if (byteRemainder == 1) { + chunk = bytes[mainLength] + + a = (chunk & 252) >> 2 // 252 = (2^6 - 1) << 2 + + // Set the 4 least significant bits to zero + b = (chunk & 3) << 4 // 3 = 2^2 - 1 + + base64 += encodings[a] + encodings[b] + '==' + } else if (byteRemainder == 2) { + chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1] + + a = (chunk & 64512) >> 10 // 64512 = (2^6 - 1) << 10 + b = (chunk & 1008) >> 4 // 1008 = (2^6 - 1) << 4 + + // Set the 2 least significant bits to zero + c = (chunk & 15) << 2 // 15 = 2^4 - 1 + + base64 += encodings[a] + encodings[b] + encodings[c] + '=' + } + + return base64 +} + + +// This updates the path of the window's DOM (the "Root > Folder1 > Folder2 > foo.png") +function update_path_visuals(wnd) { + if (!wnd) { + alert("YOU ARE NOT SUPPOSED TO SEE THIS. PLEASE COPY THE STACKTRACE FROM THE CONSOLE AND SEND IT TO THE NEAREST DEVELOPER"); + wnd = focused_window; + } + + var the_path = wnd.visuals.getElementsByClassName('path')[0]; + + // Remove the old path + while (the_path.children.length > 0) + the_path.removeChild(the_path.lastChild); + + for (let i = -1; i < wnd.pwd.length; i++) { + var d; + // For each element after the first create a separator + if (i >= 0) { + d = wnd.pwd[i]; + var separator_div = mk(the_path, 'div', 'separator'); + separator_div.innerText = "ยป"; + } + else + d = "Root"; + + var entry = mk(the_path, 'button', 'pathentry'); + entry.innerText = d; + + // When we click the entry, go to its folder + entry.onclick = (_e) => { + if (length < wnd.pwd.length) { + wnd.pwd.length = i + 1; + openfile(true, wnd); + } + } + + // We can drop files onto the path, which will omve them to teh folder + entry.onmouseup = (e) => { + if (dragging && dragging_fileview) { + var new_folder = get_path(wnd, i + 1); + move_file(dragging_fileview.wnd, wnd, new_folder, dragging_fileview.filename); + end_drag(e); + + e.preventDefault(); + e.stopPropagation(); + } + } + } +} + + +// This asks the server for the contents of the specified file +// The 'cb' callback is then called, which gives you the file as either text or binary +// depending on whether or not text is true/false +function read_file_contents(text, cb, folder, filename) { + var data = new FormData(); + data.append('folder', folder); + data.append('filename', filename); + + let xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/readfile.php', true); + + if (text) { + xhr.onload = function () { + cb(xhr.responseText); + }; + } else { + xhr.responseType = 'arraybuffer'; + xhr.onload = function () { + cb(xhr.response); + }; + } + + xhr.send(data); +} + + +// This opens a file. +// If the file has image/* mimetype, it will be displayed as an image +// otherwise it will be displayed as plaintext +function openfile_nondir(wnd) { + + while (wnd.filecontents.children.length > 0) + wnd.filecontents.removeChild(wnd.filecontents.lastChild); + + // Send a request to readfile.php, which will give us the contents + var data = new FormData(); + data.append('folder', get_path(wnd, wnd.pwd.length - 1)); + data.append('filename', wnd.pwd[wnd.pwd.length - 1]); + + var xhr = new XMLHttpRequest(); + + update_path_visuals(wnd); + + xhr.open('POST', '/php/readfile.php', true); + + wnd.filecontents.innerText = ""; + wnd.filecontentsroot.style.display = 'flex'; + wnd.foldercontents.style.display = 'none'; + + let is_image = open_file.mimetype.split("/")[0] == "image"; + wnd.save_btn_container.style.display = (open_file.write_permissions && !is_image) ? "flex" : "none"; + + if (is_image) { + xhr.responseType = 'arraybuffer'; + xhr.onload = function () { + let b = `data:image/png;base64,${base64ArrayBuffer(xhr.response)}`; + wnd.filecontents.style.backgroundImage = `url('${b}')`; + wnd.filecontents.classList.add('imgview'); + } + } + else { + wnd.filecontents.classList.remove('imgview'); + wnd.filecontents.style.backgroundImage = "unset"; + + wnd.txt_editor = mk(wnd.filecontents, 'pre'); + + xhr.onload = function () { + wnd.txt_editor.innerText = xhr.responseText; + if (open_file.write_permissions) + wnd.txt_editor.contentEditable = "true"; + }; + } + + xhr.send(data); +} + +// This is a tiny wrapper around the share_window. +function share(in_file: boolean, filename: string, wnd: OurWindow) { + if (in_file) { + var folder = get_path(wnd, wnd.pwd.length - 1); + filename = wnd.pwd[wnd.pwd.length - 1]; + } else { + var folder = get_path(wnd); + } + + var wnd = make_share_window(folder, filename); + focus_window(wnd); +} + +// Replace an existing file with a new one +function replace_file(in_file, filename, wnd) { + if (in_file) { + var folder = get_path(wnd, wnd.pwd.length - 1); + filename = wnd.pwd[wnd.pwd.length - 1]; + } else { + var folder = get_path(wnd); + } + + override_file = true; + override_file_path = folder; + override_file_filename = filename; + the_file.click(); +} + +// This loads the contents of the current directory +function openfile_dir(wnd) { + update_path_visuals(wnd); + + var data = new FormData(); + data.append('path', get_path(wnd)); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/readdir.php', true); + xhr.onload = function () { + for (const f of wnd.files) + f.visuals.remove(); + wnd.files = []; + + var json = JSON.parse(xhr.responseText); + if (!json) + return; + + // Create the FileViews from the json response + for (const f of json) { + var view = new FileView(f.name, + wnd, + f.mimetype, + f.is_directory && f.is_directory != "0", + f.can_edit && f.can_edit != "0"); + wnd.files.push(view); + } + + // Sort the files nicely before adding their visuals + // Folders come first, then files, then the special trash directory + // Everything inside the categories is lexically sorted + wnd.files.sort((a, b) => { + if (wnd.pwd.length == 0 && a.filename == "share") + return -10; + if (wnd.pwd.length == 0 && b.filename == "share") + return 10; + + if (wnd.pwd.length == 0 && a.filename == "trash") + return 10; + if (wnd.pwd.length == 0 && b.filename == "trash") + return -10; + if (a.is_directory && !b.is_directory) + return -1; + if (!a.is_directory && b.is_directory) + return 1; + return a.filename.localeCompare(b.filename); + }); + + for (const f of wnd.files) { + add_file_visuals(f, wnd); + } + + }; + xhr.send(data); + + wnd.filecontentsroot.style.display = 'none'; + wnd.foldercontents.style.display = 'flex'; + + wnd.foldercontents.onmouseup = () => { + if (dragging && dragging_fileview) { + move_file(dragging_fileview.wnd, wnd, get_path(wnd), dragging_fileview.filename); + } + } +} + + +function openfile(is_directory, wnd) { + if (!wnd) { + alert("YOU ARE NOT SUPPOSED TO SEE THIS. PLEASE COPY THE STACKTRACE FROM THE CONSOLE AND SEND IT TO THE NEAREST DEVELOPER"); + console.trace(); + wnd = focused_window; + } + + if (is_directory) { + openfile_dir(wnd); + } else { + openfile_nondir(wnd); + } +} + +function move_to_trash(wnd, filename) { + move_file(wnd, wnd, "/trash", filename, path_combine(get_path(wnd), filename)); +} + +function restore_from_trash(wnd, filename) { + var split = filename.split("/"); + var new_filename = split.pop(); + var new_directory = "/" + split.join("/"); + + move_file(wnd, wnd, new_directory, filename, new_filename); +} + + +// This deletes the file, *for real* +// move_to_trash is what is actually called when the user clicks 'Delete' +function delete_file(wnd, filename) { + var data = new FormData(); + data.append('folder', get_path(wnd)); + data.append('filename', filename); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/delete.php', true); + xhr.onload = function () { + openfile(true, wnd); + }; + xhr.send(data); +} + +function rename_file(filename, wnd) { + var new_name = prompt(`Rename ${filename} to`, filename); + if (!new_name) + return; + + var data = new FormData(); + data.append('folder', get_path(wnd)); + data.append('old_filename', filename); + data.append('new_filename', new_name); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/rename.php', true); + xhr.onload = function () { + openfile(true, wnd); + }; + xhr.send(data); +} + +function move_file(srcwnd: OurWindow, dstwnd: OurWindow, new_folder: string, filename: string, new_filename?: string) { + if (!new_filename) + new_filename = filename; + + var data = new FormData(); + data.append('old_folder', get_path(srcwnd)); + data.append('new_folder', new_folder); + data.append('filename', filename); + data.append('new_filename',new_filename); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/move.php', true); + xhr.onload = () => { + openfile(true, srcwnd); + openfile(true, dstwnd); + }; + xhr.send(data); +} + +function new_folder(wnd) { + var dirname = prompt(`Directory name`, "New Folder"); + if (!dirname) + return; + + var data = new FormData(); + data.append('parent_directory', get_path(wnd)); + data.append('dirname', dirname); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/mkdir.php', true); + xhr.onload = function () { + openfile(true, wnd); + }; + xhr.send(data); +} + + +// Dragging a fileview is a bit different from dragging a window +// This does some setup work before calling the common begin_drag +function begin_drag_fileview(e, fileview) { + if (dragging) + end_drag(e); + + // The dragging_placeholder is inserted into its place by the begin_drag function + dragging_placeholder = document.createElement('div'); + dragging_fileview = fileview; + + dragging = fileview.visuals; + dragging.style.zIndex = 50000; + + begin_drag(e, fileview.visuals); +} + +// Start dragging the 'obj' DOM element +// e is a DOM event, this should only get called in response of a DOM event +function begin_drag(e, obj: HTMLElement, dont_set_width?: boolean) { + set_iframe_enabled(false); + dragging = obj; + dragging_candidate = null; + dragging.classList.add("dragged"); + + var elemRect = dragging.getBoundingClientRect(); + dragging_offset_x = e.clientX - elemRect.left; + dragging_offset_y = -e.clientY + elemRect.top; + + if (dragging_placeholder) + obj.parentNode.insertBefore(dragging_placeholder, obj); + + dragging.style.left = (e.clientX - dragging_offset_x) + "px"; + dragging.style.top = (e.clientY + dragging_offset_y) + "px"; + + if (!dont_set_width) { + dragging.style.width = elemRect.width + "px"; + dragging.style.height = elemRect.height + "px"; + } + + dragging.style.position = "absolute"; + document.body.appendChild(dragging); +} + +function end_drag(_e) { + set_iframe_enabled(true); + + // If there's a dragging placeholder remove it and put the dragged node back into its place + if (dragging_placeholder) { + dragging_placeholder.parentNode.insertBefore(dragging, dragging_placeholder); + dragging_placeholder.remove(); + dragging_placeholder = null; + } + + // If we were dragging a FileView, we need to reset some CSS + if (dragging_fileview) { + dragging.style.removeProperty("position"); + dragging.style.removeProperty("width"); + dragging.style.removeProperty("height"); + dragging.style.removeProperty("left"); + dragging.style.removeProperty("top"); + dragging_fileview = null; + } + + dragging.classList.remove("dragged"); + dragging = null; +} + +// This creates the parts of a window that are common between all window types +// This should only really be called by another function that will then fill up the window +function make_window_base(pwd, x, y, w, h) { + var wnd = new OurWindow(pwd); + windows.push(wnd); + + wnd.visuals = mk(document.body, 'div', 'window'); + + wnd.visuals.style.width = w + "px"; + wnd.visuals.style.height = h ? (h + "px") : "unset"; + wnd.visuals.style.position = "absolute"; + wnd.visuals.style.left = x + "px"; + wnd.visuals.style.top = y + "px"; + + wnd.h2 = mk(wnd.visuals, 'h2'); + + wnd.visuals.onmousedown = (_e) => { + focus_window(wnd); + } + + wnd.h2.onmousedown = (e) => { + if (!dragging) { + dragging_candidate = wnd.visuals; + dragging_candidate_x = e.clientX; + dragging_candidate_y = e.clientY; + } + }; + + return wnd; +} + +// This is a widely abused helper function that creates a DOM element, attaches it as the +// last child of 'parent' and possibly gives it a class +function mk(parent: HTMLElement, type: keyof HTMLElementTagNameMap, _class?: string): HTMLElement { + var el = document.createElement(type); + parent.appendChild(el); + if (_class) + el.classList.add(_class); + return el; +} + +// Crate a horizontal div +function mkhdiv(parent) { + var hdiv = mk(parent, 'div'); + hdiv.style.display = "flex"; + hdiv.style.alignItems = "center"; + hdiv.style.padding = "0.3rem"; + hdiv.style.gap = "0.3rem"; + return hdiv; +} + +// Create a checkbocx with a label. +// togglefn will be called when its value changes with an argument that's either true/false +function mkcheckbox(parent, label, togglefn) { + var hdiv = mkhdiv(parent); + + var write_checkbox: HTMLInputElement = mk(hdiv, 'input') as any; + write_checkbox.type = 'checkbox'; + + var write_checkbox_label = mk(hdiv, 'label'); + write_checkbox_label.innerText = label; + write_checkbox_label.onclick = (_e) => { write_checkbox.click(); } + write_checkbox_label.classList.add('noselect'); + + write_checkbox.onchange = (_e) => { + togglefn(write_checkbox.checked); + }; +} + +// This monstrocity creates the 'Share file' window +function make_share_window(folder, filename): OurWindow { + var wnd = make_window_base(null, 400, 400, 400, 0); + + wnd.h2.style.display = 'flex'; + + // The title of the window. WE set its 'flex' to 1 1 0 so it fills up the titlebar + // and pushes the X button to the very right + var heading = mk(wnd.h2, 'span', 'wndtitle'); + heading.innerText = "Share " + filename; + + // Close button + var x_button = mk(wnd.h2, 'button', 'close_button'); + x_button.innerText = "X"; + x_button.onclick = () => delete_window(wnd); + + wnd.foldercontents = mk(wnd.visuals, 'div', 'share_dialog_contents'); + wnd.foldercontents.style.padding = "0.5rem"; + + // This is the data that will be sent when we hit "Generate link" + var data = { + write_permissions: false, + private: false, + has_password: false, + password: "", + userlist: [], + } + + // If private link is clicked, show the "Add user" button and the user list + var userlist, add_user; + mkcheckbox(wnd.foldercontents, "Private link", (toggled) => { + add_user.style.display = toggled ? "block" : "none"; + userlist.style.display = toggled ? "block" : "none"; + data.private = toggled; + }); + + userlist = mk(wnd.foldercontents, 'div'); + userlist.style.display = "none"; + add_user = mk(wnd.foldercontents, 'button'); + add_user.innerText = "Add user"; + add_user.style.display = "none"; + + // When we hit 'Add user', add an input field for a new user + add_user.onclick = (_e) => { + var i = mk(userlist, 'input') as HTMLInputElement; + i.value = 'John Doe'; + + let index = data.userlist.length; + data.userlist.push(i.value); + + i.onchange = (_e) => { + data.userlist[index] = i.value; + } + } + + // Click the add_user once to add a default user, since a URL that nobody can use makes no sense + add_user.click(); + + mkcheckbox(wnd.foldercontents, "Give write permissions", (toggled) => { + data.write_permissions = toggled; + }); + + // If 'Password protected' is checked, show the password field + let password_container; + mkcheckbox(wnd.foldercontents, "Password protected", (toggled) => { + data.has_password = toggled; + password_container.style.display = toggled ? "flex" : "none"; + }); + + password_container = mkhdiv(wnd.foldercontents); + password_container.style.display = 'none' + var password_label = mk(password_container, 'label'); + password_label.innerText = "Password"; + var password_input = mk(password_container, 'input') as HTMLInputElement; + password_input.type = 'password'; + password_input.autocomplete = 'off' + + password_input.style.flex = "1 0 0"; + password_input.onchange = (_e) => { + data.password = password_input.value; + }; + + var generate_url_button = mk(wnd.foldercontents, 'button'); + generate_url_button.innerText = "Generate link"; + + generate_url_button.onclick = () => { + // The backend expects the users to be either an empty string, if the URL is public + // or a comma separated list of usernaems + var users = ""; + if (data.private) { + users = data.userlist.join(','); + } + + var form_data = new FormData(); + form_data.append('folder', folder); + form_data.append('filename', filename); + form_data.append('users', users); + // 0 = No permissions, 1 = Read only, 2 = Write , 1|2 = 3 = RW + // Only 1 and 3 make sense in the context of a URL + form_data.append('permissions', (data.write_permissions ? 3 : 1).toString()); + form_data.append('password', data.has_password ? data.password : ""); + + var xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/share.php', true); + xhr.onload = function () { + alert(xhr.response); + } + + xhr.send(form_data); + delete_window(wnd); + } + + return wnd; +} + +function download_file(in_file, filename?: any, wnd?: any) { + if (!wnd) { + alert (802); + wnd = focused_window; + } + if (in_file) { + var folder = get_path(wnd, wnd.pwd.length - 1); + filename = wnd.pwd[wnd.pwd.length - 1]; + } else { + var folder = get_path(wnd); + } + + // Read the file contents and then do DISGUSTING javascript things to download the ifle + // We create a invisible <a> that we click and then delete + // That <a> has its download attribute set so we download the contents instead of opening it in a new tab + // and of course its href is a virtual object URL that has its content set to a blob + read_file_contents(false, (x) => { + var blob = new Blob([new Uint8Array(x, 0, x.length)]); + var url = URL.createObjectURL(blob); + var a = document.createElement('a'); + a.href = url; + a.download = filename; + document.body.appendChild(a); + a.click(); + setTimeout(() => { + document.body.removeChild(a); + URL.revokeObjectURL(url); + }); + }, folder, filename); + + return; +} + + +// make_window creates an explorer window - the kind that can list directories/open files +function make_window(pwd: string[], has_close: boolean): OurWindow { + var wnd = make_window_base(pwd, 100, 100, 800, 600); + + mk(wnd.h2, 'div', 'path'); + + if (has_close) { + var x_button = mk(wnd.h2, 'button', 'close_button'); + x_button.innerText = "X"; + x_button.onclick = () => delete_window(wnd); + } + + // wnd.foldercontents is where the FileViews will be stored + // it also has a subheader (h3) with 'Upload' and 'New FOlder' buttons + { + wnd.foldercontents = mk(wnd.visuals, 'div', 'foldercontents'); + var h3 = mk(wnd.foldercontents, 'h3'); + + var upload_btn = mk(h3, 'button'); + upload_btn.innerText = "Upload"; + + upload_btn.onclick = () => { + override_file = false; + the_file.click(); + } + + mk(h3, 'div', 'separator'); + + var new_folder_btn = mk(h3, 'button'); + new_folder_btn.innerText = "New Folder"; + new_folder_btn.onclick = () => { new_folder(wnd); } + + mk(h3, 'div', 'separator'); + + wnd.filegrid = mk(wnd.foldercontents, 'div', 'files'); + } + + // wnd.filecontentsroot is where the filedata will be stored for open files + // it also has a subheader (h3) with Share and Download buttons + { + wnd.filecontentsroot = mk(wnd.visuals, 'div', 'filecontentsroot'); + var h3 = mk(wnd.filecontentsroot, 'h3'); + + let download_btn = mk(h3, 'button'); + download_btn.innerText = "Download"; + download_btn.onclick = () => { download_file(true); } + mk(h3, 'div', 'separator'); + + let share_btn = mk(h3, 'button'); + share_btn.innerText = "Share"; + share_btn.onclick = () => { alert("TODO NOT IMPLEMENTETD"); } //share(true, fileview.filename, wnd); } + mk(h3, 'div', 'separator'); + + wnd.save_btn_container = mk(h3, 'div'); + wnd.save_btn_container.style.display = 'flex'; + + let save_btn = mk(wnd.save_btn_container, 'button'); + save_btn.innerText = "Save"; + save_btn.onclick = () => save_open_text_file(wnd); + mk(wnd.save_btn_container, 'div', 'separator'); + + wnd.filecontents = mk(wnd.filecontentsroot, 'div', 'filecontents'); + } + + return wnd; +} + + +function save_open_text_file(wnd) { + const contents = wnd.txt_editor.innerText; + let xhr = new XMLHttpRequest(); + xhr.open('POST', '/php/upload.php', true); + + var data = new FormData(); + data.append('parent_directory', get_path (wnd, wnd.pwd.length - 1)); + data.append('filename', wnd.pwd[wnd.pwd.length - 1]); + data.append('content', contents); + data.append('overwrite', '1'); + + xhr.send(data); +} + + +// Create the visuals for a FileView +function add_file_visuals(fileview, wnd) { + // Are we in a subdirectory of the trash folder? + var is_in_trash = wnd.pwd.length > 0 && wnd.pwd[0] == "trash"; + + // Is the current filewview the trash folder itself? + var is_trash = wnd.pwd.length == 0 && fileview.filename == "trash"; + var is_share = wnd.pwd.length == 0 && fileview.filename == "share"; + + var visuals = mk(wnd.filegrid, 'div'); + fileview.visuals = visuals; + + var img = document.createElement('img'); + var filename = document.createElement('div'); + + if (fileview.is_directory) { + if (get_path(wnd) == "/" && fileview.filename == "trash") + img.src="/mimeicons/user-trash.png"; + else if (get_path(wnd) == "/" && fileview.filename == "share") + img.src = "/mimeicons/user-share.png"; + else + img.src="/mimeicons/directory.png"; + } else { + img.src=`/mimeicons/${fileview.mimetype.replace("/", "-")}.png`; + } + + fileview.visuals.onclick = () => { + wnd.pwd.push(fileview.filename); + if (!fileview.is_directory) { + open_file = fileview; + } + openfile(fileview.is_directory, wnd); + } + + visuals.oncontextmenu = (e) => { + if (!dragging) { + + var context_list = [ + // Open is always in the context list + ['Open', () => { + wnd.pwd.push(fileview.filename); + openfile(fileview.is_directory, wnd); + }], + ['Open in New Window', () => { + var new_pwd = wnd.pwd.slice(); + new_pwd.push(fileview.filename); + var new_wnd = make_window(new_pwd, true); + open_file = fileview; + openfile(fileview.is_directory, new_wnd); + focus_window(new_wnd); + }], + ]; + + if (is_in_trash) { + // If we're in the trash, we can restore files or delete them forever + context_list.push(['Restore', () => { restore_from_trash(wnd, fileview.filename); }]); + context_list.push(['Delete forever', () => { delete_file(wnd, fileview.filename); }]); + } else if (!is_trash && !is_share) { + // If we;'re not in trash we can rename/share/download/move files to trash + context_list.push( + ['Rename', () => { rename_file(fileview.filename, wnd); }], + ); + if (!fileview.is_directory) { + for (let a of actions) { + if (fileview.filename.endsWith(a.extension)) { + context_list.push( + [a.text, () => { + read_file_contents(true, (x) => { + const ue = encodeURIComponent(x); + let url = a.url.replace("$content_urlencoded", ue) + .replace("$filename", fileview.filename); + + if (a.open_in_iframe) { + const wnd = make_window_base([], 10, 10, 800, 600); + + var title = mk(wnd.h2, 'span', 'wndtitle'); + title.innerText = fileview.filename; + + // Close button + var x_button = mk(wnd.h2, 'button', 'close_button'); + x_button.innerText = "X"; + x_button.onclick = () => delete_window(wnd); + + const contents = mk(wnd.visuals, 'div', 'filecontentsroot'); + const iframe = mk(contents, 'iframe') as HTMLIFrameElement; + iframe.style.flex = '1 0 0'; + iframe.src = url; + + focus_window(wnd); + } else { + window.location = url; + } + }, get_path(wnd), fileview.filename); + }] + ); + } + } + + if (fileview.write_permissions) { + context_list.push( + ['Replace', () => { replace_file(false, fileview.filename, wnd); }], + ); + } + context_list.push( + ['Share', () => { share(false, fileview.filename, wnd); }], + ['Download', () => { download_file(false, fileview.filename); }], + ); + } + context_list.push( + ['Delete', () => { move_to_trash(wnd, fileview.filename); }] + ); + } + + context(e, context_list); + } + e.preventDefault(); + e.stopPropagation(); + } + + visuals.ondragstart = (e) => { + if (is_trash || is_in_trash || is_share) { + e.preventDefault(); + return; + } + begin_drag_fileview(e, fileview); + e.preventDefault(); + }; + + visuals.onmouseup = (e) => { + if (dragging) { + if (fileview.is_directory) { + if (get_path(wnd) == "/" && fileview.filename == "trash") { + // If we've dragged something onto the trashcan, it's trash + move_to_trash(wnd, dragging_fileview.filename); + } + else if (get_path(wnd) == "/" && fileview.filename == "share") { + // move to 'share' is invalid + } else { + // If we've dragged something onto a directory, move it into that directory + move_file(dragging_fileview.wnd, wnd, path_combine(get_path(wnd), fileview.filename), dragging_fileview.filename); + } + } else { + // alert(`Dropped ${dst.filename} on ${src.filename}`); + } + end_drag(e); + } + e.preventDefault(); + }; + + visuals.classList.add('file'); + filename.classList.add('filename'); + + if (is_in_trash) { + var split = fileview.filename.split("/"); + filename.innerText = split[split.length - 1]; + } else if (is_trash) { + filename.innerText = "Trash"; + } else if (is_share) { + var x = mk(filename, 'span'); + x.style.fontSize = "0.8rem"; + x.innerText = "Shared with me"; + } else{ + filename.innerText = fileview.filename; + } + + visuals.appendChild(img); + visuals.appendChild(filename); +} + + +// Reads the 'pwd' of the focused window +// If pwd is ['foo', 'bar', 'baz'], this returns '/foo/bar/baz' +function get_path(wnd: OurWindow, max_length?: number) { + if (!wnd) { + alert("YOU ARE NOT SUPPOSED TO SEE THIS. PLEASE COPY THE STACKTRACE FROM THE CONSOLE AND SEND IT TO THE NEAREST DEVELOPER"); + console.trace(); + wnd = focused_window; + } + if (max_length == undefined) { + max_length = wnd.pwd.length; + } + + var path = "/"; + for (let i = 0; i < max_length; i++) { + path += wnd.pwd[i]; + if (i != max_length - 1) + path += "/"; + } + return path; +} + +function path_combine(a, b) { + const last_char = a.slice(-1); + if (last_char == "/") + return a + b; + else + return a + "/" + b; +} + + +// When we click anywhere, remove the context menu +// The context menu itself has a onmousedown that prevents propagation so we can click its elements +document.body.onmousedown = (_e) => { + if (context_menu) { + context_menu.remove(); + context_menu = null; + } +} + +document.body.onmousemove = (e) => { + if (dragging) { + dragging.style.left = (e.clientX - dragging_offset_x) + "px"; + dragging.style.top = (e.clientY + dragging_offset_y) + "px"; + } + else if (dragging_candidate) { + var d = Math.abs(e.clientX - dragging_candidate_x) + Math.abs(e.clientY - dragging_candidate_y); + if (d > 15) + begin_drag(e, dragging_candidate, true); + } +} + +document.body.onmouseup = (_e) => { + if (dragging_candidate) + dragging_candidate = null; + if (dragging) + end_drag(_e); +} + +document.body.oncontextmenu = (e) => { + if (dragging) { + end_drag(e); + e.preventDefault(); + } + if (context_menu) { + context_menu.remove(); + context_menu = null; + } +} + +the_file.onchange = (e) => { on_file_added(e); }; + +function set_iframe_enabled(en) { + for (const iframe of document.getElementsByTagName('iframe')) + iframe.hidden = !en; +} + +main(); |