1 files changed, 657 insertions, 0 deletions
diff --git a/phpBB/assets/javascript/plupload.js b/phpBB/assets/javascript/plupload.js
new file mode 100644
index 0000000000..96e5ca96e6
--- /dev/null
+++ b/phpBB/assets/javascript/plupload.js
@@ -0,0 +1,657 @@
+/* global phpbb, plupload, attachInline */
+
+plupload.addI18n(phpbb.plupload.i18n);
+phpbb.plupload.ids = [];
+
+(function($) {  // Avoid conflicts with other libraries
+
+'use strict';
+
+/**
+ * Set up the uploader.
+ */
+phpbb.plupload.initialize = function() {
+	// Initialize the Plupload uploader.
+	phpbb.plupload.uploader.init();
+
+	// Set attachment data.
+	phpbb.plupload.setData(phpbb.plupload.data);
+	phpbb.plupload.updateMultipartParams(phpbb.plupload.getSerializedData());
+
+	// Only execute if Plupload initialized successfully.
+	phpbb.plupload.uploader.bind('Init', function() {
+		phpbb.plupload.form = $(phpbb.plupload.config.form_hook)[0];
+		phpbb.plupload.rowTpl = $('#attach-row-tpl')[0].outerHTML;
+
+		// Hide the basic upload panel and remove the attach row template.
+		$('#attach-row-tpl, #attach-panel-basic').remove();
+		// Show multi-file upload options.
+		$('#attach-panel-multi').show();
+	});
+
+	phpbb.plupload.uploader.bind('PostInit', function() {
+		// Point out the drag-and-drop zone if it's supported.
+		if (phpbb.plupload.uploader.features.dragdrop) {
+			$('#drag-n-drop-message').show();
+		}
+
+		// Ensure "Add files" button position is correctly calculated.
+		if ($('#attach-panel-multi').is(':visible')) {
+			phpbb.plupload.uploader.refresh();
+		}
+		$('[data-subpanel="attach-panel"]').one('click', function() {
+			phpbb.plupload.uploader.refresh();
+		});
+	});
+};
+
+/**
+ * Unsets all elements in the object uploader.settings.multipart_params whose keys
+ * begin with 'attachment_data['
+ */
+phpbb.plupload.clearParams = function() {
+	var obj = phpbb.plupload.uploader.settings.multipart_params;
+	for (var key in obj) {
+		if (!obj.hasOwnProperty(key) || key.indexOf('attachment_data[') !== 0) {
+			continue;
+		}
+
+		delete phpbb.plupload.uploader.settings.multipart_params[key];
+	}
+};
+
+/**
+ * Update uploader.settings.multipart_params object with new data.
+ *
+ * @param {object} obj
+ */
+phpbb.plupload.updateMultipartParams = function(obj) {
+	var settings = phpbb.plupload.uploader.settings;
+	settings.multipart_params = $.extend(settings.multipart_params, obj);
+};
+
+/**
+ * Convert the array of attachment objects into an object that PHP would expect as POST data.
+ *
+ * @returns {object} An object in the form 'attachment_data[i][key]': value as
+ * 	expected by the server
+ */
+phpbb.plupload.getSerializedData = function() {
+	var obj = {};
+	for (var i = 0; i < phpbb.plupload.data.length; i++) {
+		var datum = phpbb.plupload.data[i];
+		for (var key in datum) {
+			if (!datum.hasOwnProperty(key)) {
+				continue;
+			}
+
+			obj['attachment_data[' + i + '][' + key + ']'] = datum[key];
+		}
+	}
+	return obj;
+};
+
+/**
+ * Get the index from the phpbb.plupload.data array where the given
+ * attachment id appears.
+ *
+ * @param {int} attachId The attachment id of the file.
+ * @returns {bool|int} Index of the file if exists, otherwise false.
+ */
+phpbb.plupload.getIndex = function(attachId) {
+	var index = $.inArray(Number(attachId), phpbb.plupload.ids);
+	return (index !== -1) ? index : false;
+};
+
+/**
+ * Set the data in phpbb.plupload.data and phpbb.plupload.ids arrays.
+ *
+ * @param {Array} data	Array containing the new data to use. In the form of
+ * array(index => object(property: value). Requires attach_id to be one of the object properties.
+ */
+phpbb.plupload.setData = function(data) {
+	// Make sure that the array keys are reset.
+	phpbb.plupload.ids = phpbb.plupload.data = [];
+	phpbb.plupload.data = data;
+
+	for (var i = 0; i < data.length; i++) {
+		phpbb.plupload.ids.push(Number(data[i].attach_id));
+	}
+};
+
+/**
+ * Update the attachment data in the HTML and the phpbb & phpbb.plupload objects.
+ *
+ * @param {Array} data			Array containing the new data to use.
+ * @param {string} action		The action that required the update. Used to update the inline attachment bbcodes.
+ * @param {int} index			The index from phpbb.plupload_ids that was affected by the action.
+ * @param {Array} downloadUrl	Optional array of download urls to update.
+ */
+phpbb.plupload.update = function(data, action, index, downloadUrl) {
+
+	phpbb.plupload.updateBbcode(action, index);
+	phpbb.plupload.setData(data);
+	phpbb.plupload.updateRows(downloadUrl);
+	phpbb.plupload.clearParams();
+	phpbb.plupload.updateMultipartParams(phpbb.plupload.getSerializedData());
+};
+
+/**
+ * Update the relevant elements and hidden data for all attachments.
+ *
+ * @param {Array} downloadUrl Optional array of download urls to update.
+ */
+phpbb.plupload.updateRows = function(downloadUrl) {
+	for (var i = 0; i < phpbb.plupload.ids.length; i++) {
+		phpbb.plupload.updateRow(i, downloadUrl);
+	}
+};
+
+/**
+ * Insert a row for a new attachment. This expects an HTML snippet in the HTML
+ * using the id "attach-row-tpl" to be present. This snippet is cloned and the
+ * data for the file inserted into it. The row is then appended or prepended to
+ * #file-list based on the attach_order setting.
+ *
+ * @param {object} file Plupload file object for the new attachment.
+ */
+phpbb.plupload.insertRow = function(file) {
+	var row = $(phpbb.plupload.rowTpl);
+
+	row.attr('id', file.id);
+	row.find('.file-name').html(plupload.xmlEncode(file.name));
+	row.find('.file-size').html(plupload.formatSize(file.size));
+
+	if (phpbb.plupload.order === 'desc') {
+		$('#file-list').prepend(row);
+	} else {
+		$('#file-list').append(row);
+	}
+};
+
+/**
+ * Update the relevant elements and hidden data for an attachment.
+ *
+ * @param {int} index The index from phpbb.plupload.ids of the attachment to edit.
+ * @param {Array} downloadUrl Optional array of download urls to update.
+ */
+phpbb.plupload.updateRow = function(index, downloadUrl) {
+	var attach = phpbb.plupload.data[index],
+		row = $('[data-attach-id="' + attach.attach_id + '"]');
+
+	// Add the link to the file
+	if (typeof downloadUrl !== 'undefined' && typeof downloadUrl[index] !== 'undefined') {
+		var url = downloadUrl[index].replace('&amp;', '&'),
+			link = $('<a></a>');
+
+		link.attr('href', url).html(attach.real_filename);
+		row.find('.file-name').html(link);
+	}
+
+	row.find('textarea').attr('name', 'comment_list[' + index + ']');
+	phpbb.plupload.updateHiddenData(row, attach, index);
+};
+
+/**
+ * Update hidden input data for an attachment.
+ *
+ * @param {object} row		jQuery object for the attachment row.
+ * @param {object} attach	Attachment data object from phpbb.plupload.data
+ * @param {int} index		Attachment index from phpbb.plupload.ids
+ */
+phpbb.plupload.updateHiddenData = function(row, attach, index) {
+	row.find('input[type="hidden"]').remove();
+
+	for (var key in attach) {
+		if (!attach.hasOwnProperty(key)) {
+			return;
+		}
+
+		var input = $('<input />')
+			.attr('type', 'hidden')
+			.attr('name', 'attachment_data[' + index + '][' + key + ']')
+			.attr('value', attach[key]);
+		$('textarea', row).after(input);
+	}
+};
+
+/**
+ * Deleting a file removes it from the queue and fires an AJAX event to the
+ * server to tell it to remove the temporary attachment. The server
+ * responds with the updated attachment data list so that any future
+ * uploads can maintain state with the server
+ *
+ * @param {object} row		jQuery object for the attachment row.
+ * @param {int} attachId	Attachment id of the file to be removed.
+ */
+phpbb.plupload.deleteFile = function(row, attachId) {
+	// If there's no attach id, then the file hasn't been uploaded. Simply delete the row.
+	if (typeof attachId === 'undefined') {
+		var file = phpbb.plupload.uploader.getFile(row.attr('id'));
+		phpbb.plupload.uploader.removeFile(file);
+
+		row.slideUp(100, function() {
+			row.remove();
+			phpbb.plupload.hideEmptyList();
+		});
+	}
+
+	var index = phpbb.plupload.getIndex(attachId);
+	row.find('.file-status').toggleClass('file-uploaded file-working');
+
+	if (index === false) {
+		return;
+	}
+	var fields = {};
+	fields['delete_file[' + index + ']'] = 1;
+
+	var always = function() {
+		row.find('.file-status').removeClass('file-working');
+	};
+
+	var done = function(response) {
+		if (typeof response !== 'object') {
+			return;
+		}
+
+		// trigger_error() was called which likely means a permission error was encountered.
+		if (typeof response.title !== 'undefined') {
+			phpbb.plupload.uploader.trigger('Error', { message: response.message });
+			// We will have to assume that the deletion failed. So leave the file status as uploaded.
+			row.find('.file-status').toggleClass('file-uploaded');
+
+			return;
+		}
+		phpbb.plupload.update(response, 'removal', index);
+		// Check if the user can upload files now if he had reached the max files limit.
+		phpbb.plupload.handleMaxFilesReached();
+
+		if (row.attr('id')) {
+			var file = phpbb.plupload.uploader.getFile(row.attr('id'));
+			phpbb.plupload.uploader.removeFile(file);
+		}
+		row.slideUp(100, function() {
+			row.remove();
+			// Hide the file list if it's empty now.
+			phpbb.plupload.hideEmptyList();
+		});
+		phpbb.plupload.uploader.trigger('FilesRemoved');
+	};
+
+	$.ajax(phpbb.plupload.config.url, {
+		type: 'POST',
+		data: $.extend(fields, phpbb.plupload.getSerializedData()),
+		headers: { 'X-PHPBB-USING-PLUPLOAD': '1', 'X-Requested-With': 'XMLHttpRequest' }
+	})
+	.always(always)
+	.done(done);
+};
+
+/**
+ * Check the attachment list and hide its container if it's empty.
+ */
+phpbb.plupload.hideEmptyList = function() {
+	if (!$('#file-list').children().length) {
+		$('#file-list-container').slideUp(100);
+	}
+};
+
+/**
+ * Update the indices used in inline attachment bbcodes. This ensures that the
+ * bbcodes correspond to the correct file after a file is added or removed.
+ * This should be called before the phpbb.plupload,data and phpbb.plupload.ids
+ * arrays are updated, otherwise it will not work correctly.
+ *
+ * @param {string} action	The action that occurred -- either "addition" or "removal"
+ * @param {int} index		The index of the attachment from phpbb.plupload.ids that was affected.
+ */
+phpbb.plupload.updateBbcode = function(action, index) {
+	var	textarea = $('#message', phpbb.plupload.form),
+		text = textarea.val(),
+		removal = (action === 'removal');
+
+	// Return if the bbcode isn't used at all.
+	if (text.indexOf('[attachment=') === -1) {
+		return;
+	}
+
+	function runUpdate(i) {
+		var regex = new RegExp('\\[attachment=' + i + '\\](.*?)\\[\\/attachment\\]', 'g');
+		text = text.replace(regex, function updateBbcode(_, fileName) {
+			// Remove the bbcode if the file was removed.
+			if (removal && index === i) {
+				return '';
+			}
+			var newIndex = i + ((removal) ? -1 : 1);
+			return '[attachment=' + newIndex + ']' + fileName + '[/attachment]';
+		});
+	}
+
+	// Loop forwards when removing and backwards when adding ensures we don't
+	// corrupt the bbcode index.
+	var i;
+	if (removal) {
+		for (i = index; i < phpbb.plupload.ids.length; i++) {
+			runUpdate(i);
+		}
+	} else {
+		for (i = phpbb.plupload.ids.length - 1; i >= index; i--) {
+			runUpdate(i);
+		}
+	}
+
+	textarea.val(text);
+};
+
+/**
+ * Get Plupload file objects based on their upload status.
+ *
+ * @param {int} status Plupload status - plupload.DONE, plupload.FAILED,
+ * plupload.QUEUED, plupload.STARTED, plupload.STOPPED
+ *
+ * @returns {Array} The Plupload file objects matching the status.
+ */
+phpbb.plupload.getFilesByStatus = function(status) {
+	var files = [];
+
+	$.each(phpbb.plupload.uploader.files, function(i, file) {
+		if (file.status === status) {
+			files.push(file);
+		}
+	});
+	return files;
+};
+
+/**
+ * Check whether the user has reached the maximun number of files that he's allowed
+ * to upload. If so, disables the uploader and marks the queued files as failed. Otherwise
+ * makes sure that the uploader is enabled.
+ *
+ * @returns {bool} True if the limit has been reached. False if otherwise.
+ */
+phpbb.plupload.handleMaxFilesReached = function() {
+	// If there is no limit, the user is an admin or moderator.
+	if (!phpbb.plupload.maxFiles) {
+		return false;
+	}
+
+	if (phpbb.plupload.maxFiles <= phpbb.plupload.ids.length) {
+		// Fail the rest of the queue.
+		phpbb.plupload.markQueuedFailed(phpbb.plupload.lang.TOO_MANY_ATTACHMENTS);
+		// Disable the uploader.
+		phpbb.plupload.disableUploader();
+		phpbb.plupload.uploader.trigger('Error', { message: phpbb.plupload.lang.TOO_MANY_ATTACHMENTS });
+
+		return true;
+	} else if (phpbb.plupload.maxFiles > phpbb.plupload.ids.length) {
+		// Enable the uploader if the user is under the limit
+		phpbb.plupload.enableUploader();
+	}
+	return false;
+};
+
+/**
+ * Disable the uploader
+ */
+phpbb.plupload.disableUploader = function() {
+	$('#add_files').addClass('disabled');
+	phpbb.plupload.uploader.disableBrowse();
+};
+
+/**
+ * Enable the uploader
+ */
+phpbb.plupload.enableUploader = function() {
+	$('#add_files').removeClass('disabled');
+	phpbb.plupload.uploader.disableBrowse(false);
+};
+
+/**
+ * Mark all queued files as failed.
+ *
+ * @param {string} error Error message to present to the user.
+ */
+phpbb.plupload.markQueuedFailed = function(error) {
+	var files = phpbb.plupload.getFilesByStatus(plupload.QUEUED);
+
+	$.each(files, function(i, file) {
+		$('#' + file.id).find('.file-progress').hide();
+		phpbb.plupload.fileError(file, error);
+	});
+};
+
+/**
+ * Marks a file as failed and sets the error message for it.
+ *
+ * @param {object} file		Plupload file object that failed.
+ * @param {string} error	Error message to present to the user.
+ */
+phpbb.plupload.fileError = function(file, error) {
+	file.status = plupload.FAILED;
+	file.error = error;
+	$('#' + file.id).find('.file-status')
+		.addClass('file-error')
+		.attr({
+			'data-error-title': phpbb.plupload.lang.ERROR,
+			'data-error-message': error
+		});
+};
+
+
+/**
+ * Set up the Plupload object and get some basic data.
+ */
+phpbb.plupload.uploader = new plupload.Uploader(phpbb.plupload.config);
+phpbb.plupload.initialize();
+
+var $fileList = $('#file-list');
+
+/**
+ * Insert inline attachment bbcode.
+ */
+$fileList.on('click', '.file-inline-bbcode', function(e) {
+	var attachId = $(this).parents('.attach-row').attr('data-attach-id'),
+		index = phpbb.plupload.getIndex(attachId);
+
+	attachInline(index, phpbb.plupload.data[index].real_filename);
+	e.preventDefault();
+});
+
+/**
+ * Delete a file.
+ */
+$fileList.on('click', '.file-delete', function(e) {
+	var row = $(this).parents('.attach-row'),
+		attachId = row.attr('data-attach-id');
+
+	phpbb.plupload.deleteFile(row, attachId);
+	e.preventDefault();
+});
+
+/**
+ * Display the error message for a particular file when the error icon is clicked.
+ */
+$fileList.on('click', '.file-error', function(e) {
+	phpbb.alert($(this).attr('data-error-title'), $(this).attr('data-error-message'));
+	e.preventDefault();
+});
+
+/**
+ * Fires when an error occurs.
+ */
+phpbb.plupload.uploader.bind('Error', function(up, error) {
+	error.file.name = plupload.xmlEncode(error.file.name);
+
+	// The error message that Plupload provides for these is vague, so we'll be more specific.
+	if (error.code === plupload.FILE_EXTENSION_ERROR) {
+		error.message = plupload.translate('Invalid file extension:') + ' ' + error.file.name;
+	} else if (error.code === plupload.FILE_SIZE_ERROR) {
+		error.message = plupload.translate('File too large:') + ' ' + error.file.name;
+	}
+	phpbb.alert(phpbb.plupload.lang.ERROR, error.message);
+});
+
+/**
+ * Fires before a given file is about to be uploaded. This allows us to
+ * send the real filename along with the chunk. This is necessary because
+ * for some reason the filename is set to 'blob' whenever a file is chunked
+ *
+ * @param {object} up	The plupload.Uploader object
+ * @param {object} file	The plupload.File object that is about to be uploaded
+ */
+phpbb.plupload.uploader.bind('BeforeUpload', function(up, file) {
+	if (phpbb.plupload.handleMaxFilesReached()) {
+		return;
+	}
+
+	phpbb.plupload.updateMultipartParams({ real_filename: file.name });
+});
+
+/**
+ * Fired when a single chunk of any given file is uploaded. This parses the
+ * response from the server and checks for an error. If an error occurs it
+ * is reported to the user and the upload of this particular file is halted
+ *
+ * @param {object} up		The plupload.Uploader object
+ * @param {object} file		The plupload.File object whose chunk has just
+ * 	been uploaded
+ * @param {object} response	The response object from the server
+ */
+phpbb.plupload.uploader.bind('ChunkUploaded', function(up, file, response) {
+	if (response.chunk >= response.chunks - 1) {
+		return;
+	}
+
+	var json = {};
+	try {
+		json = $.parseJSON(response.response);
+	} catch (e) {
+		file.status = plupload.FAILED;
+		up.trigger('FileUploaded', file, {
+			response: JSON.stringify({
+				error: {
+					message: 'Error parsing server response.'
+				}
+			})
+		});
+	}
+
+	// If trigger_error() was called, then a permission error likely occurred.
+	if (typeof json.title !== 'undefined') {
+		json.error = { message: json.message };
+	}
+
+	if (json.error) {
+		file.status = plupload.FAILED;
+		up.trigger('FileUploaded', file, {
+			response: JSON.stringify({
+				error: {
+					message: json.error.message
+				}
+			})
+		});
+	}
+});
+
+/**
+ * Fires when files are added to the queue.
+ */
+phpbb.plupload.uploader.bind('FilesAdded', function(up, files) {
+	// Prevent unnecessary requests to the server if the user already uploaded
+	// the maximum number of files allowed.
+	if (phpbb.plupload.handleMaxFilesReached()) {
+		return;
+	}
+
+	// Switch the active tab if the style supports it
+	if (typeof activateSubPanel === 'function') {
+		activateSubPanel('attach-panel'); // jshint ignore: line
+	}
+
+	// Show the file list if there aren't any files currently.
+	var $fileListContainer = $('#file-list-container');
+	if (!$fileListContainer.is(':visible')) {
+		$fileListContainer.show(100);
+	}
+
+	$.each(files, function(i, file) {
+		phpbb.plupload.insertRow(file);
+	});
+
+	up.bind('UploadProgress', function(up, file) {
+		$('.file-progress-bar', '#' + file.id).css('width', file.percent + '%');
+		$('#file-total-progress-bar').css('width', up.total.percent + '%');
+	});
+
+	// Do not allow more files to be added to the running queue.
+	phpbb.plupload.disableUploader();
+
+	// Start uploading the files once the user has selected them.
+	up.start();
+});
+
+
+/**
+ * Fires when an entire file has been uploaded. It checks for errors
+ * returned by the server otherwise parses the list of attachment data and
+ * appends it to the next file upload so that the server can maintain state
+ * with regards to the attachments in a given post
+ *
+ * @param {object} up		The plupload.Uploader object
+ * @param {object} file		The plupload.File object that has just been
+ * 	uploaded
+ * @param {string} response	The response string from the server
+ */
+phpbb.plupload.uploader.bind('FileUploaded', function(up, file, response) {
+	var json = {},
+		row = $('#' + file.id),
+		error;
+
+	// Hide the progress indicator.
+	row.find('.file-progress').hide();
+
+	try {
+		json = JSON.parse(response.response);
+	} catch (e) {
+		error = 'Error parsing server response.';
+	}
+
+	// If trigger_error() was called, then a permission error likely occurred.
+	if (typeof json.title !== 'undefined') {
+		error = json.message;
+		up.trigger('Error', { message: error });
+
+		// The rest of the queue will fail.
+		phpbb.plupload.markQueuedFailed(error);
+	} else if (json.error) {
+		error = json.error.message;
+	}
+
+	if (typeof error !== 'undefined') {
+		phpbb.plupload.fileError(file, error);
+	} else if (file.status === plupload.DONE) {
+		file.attachment_data = json.data[0];
+
+		row.attr('data-attach-id', file.attachment_data.attach_id);
+		row.find('.file-inline-bbcode').show();
+		row.find('.file-status').addClass('file-uploaded');
+		phpbb.plupload.update(json.data, 'addition', 0, [json.download_url]);
+	}
+});
+
+/**
+ * Fires when the entire queue of files have been uploaded.
+ */
+phpbb.plupload.uploader.bind('UploadComplete', function() {
+	// Hide the progress bar
+	setTimeout(function() {
+		$('#file-total-progress-bar').fadeOut(500, function() {
+			$(this).css('width', 0).show();
+		});
+	}, 2000);
+
+	// Re-enable the uploader
+	phpbb.plupload.enableUploader();
+});
+
+})(jQuery); // Avoid conflicts with other libraries