From a0e5b7d73002863e960a7d1cbaeabb6c5667180c Mon Sep 17 00:00:00 2001
From: benweet <benoit.schweblin@gmail.com>
Date: Sun, 24 Mar 2013 19:42:15 +0000
Subject: [PATCH] Google Drive support

---
 index.html |  72 +--------------------------------
 js/main.js | 116 ++++++++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 98 insertions(+), 90 deletions(-)

diff --git a/index.html b/index.html
index a90c805c..771f118f 100644
--- a/index.html
+++ b/index.html
@@ -13,78 +13,8 @@
 <script type="text/javascript" src="js/Markdown.Editor.js"></script>
 <script type="text/javascript" src="js/main.js"></script>
 <script type="text/javascript">
-	var CLIENT_ID = '241271498917-jpto9lls9fqnem1e4h6ppds9uob8rpvu.apps.googleusercontent.com';
-	var SCOPES = ['https://www.googleapis.com/auth/drive.install', 'https://www.googleapis.com/auth/drive.file'];
-	var driveUpload = false;
-
-	/**
-	 * Called when the client library is loaded to start the auth flow.
-	 */
 	function handleClientLoad() {
-		window.setTimeout(checkAuth, 1);
-	}
-
-	/**
-	 * Check if the current user has authorized the application.
-	 */
-	function checkAuth() {
-		gapi.auth.authorize({ 'client_id' : CLIENT_ID, 'scope' : SCOPES,
-			'immediate' : true }, handleAuthResult);
-	}
-
-	/**
-	 * Called when authorization server replies.
-	 *
-	 * @param {Object} authResult Authorization result.
-	 */
-	function handleAuthResult(authResult) {
-		 if (authResult && !authResult.error) {
-			 $("#drive-link").hide();
-			 gapi.client.load('drive', 'v2', function() {
-				 driveUpload = true;
-			 });
-		 } else {
-			 $("#drive-link").click(function() {
-	                gapi.auth.authorize({ 'client_id' : CLIENT_ID,
-	                    'scope' : SCOPES, 'immediate' : false }, handleAuthResult);
-	            });
-		 }
-		//alert(authResult);
-	}
-
-	/**
-	 * Start the file upload.
-	 *
-	 * @param {Object} evt Arguments from the file selector.
-	 */
-	function uploadFile(evt) {
-		gapi.client.load('drive', 'v2', function() {
-			var file = evt.target.files[0];
-			insertFile(file);
-		});
-	}
-
-	/**
-	 * Insert new file.
-	 *
-	 * @param {File} fileData File object to read data from.
-	 * @param {Function} callback Function to call when the request is complete.
-	 */
-	function insertFile(fileData, callback) {
-		 if(driveUpload) {
-			var request = gapi.client.request({
-				'path' : '/upload/drive/v2/files',
-				'method' : 'POST',
-				'params' : { 'uploadType' : 'media' },
-				'headers' : { 'Content-Type' : 'text/plain' },
-				'body' : fileData });
-			if (!callback) {
-				callback = function(file) {
-					console.log(file)
-				};
-			}
-			request.execute(callback);
-		 }
+		window.setTimeout(gdrive.init, 1);
 	}
 </script>
 <script type="text/javascript"
diff --git a/js/main.js b/js/main.js
index 76b9ae51..bb2f4f60 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1,18 +1,8 @@
-(function($) {
+function showError(msg) {
+	alert(msg);
+}
 
-	$(function() {
-		var converter = Markdown.getSanitizingConverter();
-		var editor = new Markdown.Editor(converter);
-		editor.run();
-		$(window).resize(resize);
-		resize();
-
-		if (typeof (Storage) !== "undefined") {
-			fileManager.init();
-		} else {
-			showError("Web storage is not available");
-		}
-	});
+var fileManager = (function($) {
 
 	var fileManager = {};
 
@@ -49,17 +39,105 @@
 		this.fileSystem[this.currentFile] = this.content;
 		localStorage.fileSystem = JSON.stringify(this.fileSystem);
 		localStorage.currentFile = this.currentFile;
-		insertFile(this.content);
+		//insertFile(this.currentFile, this.content);
 	};
 
+	return fileManager;
+})(jQuery);
+
+var gdrive = (function($) {
+
+	var CLIENT_ID = '241271498917-jpto9lls9fqnem1e4h6ppds9uob8rpvu.apps.googleusercontent.com';
+	var SCOPES = [ 'https://www.googleapis.com/auth/drive.install',
+		'https://www.googleapis.com/auth/drive.file' ];
+
+	var driveEnabled = false;
+
+	var gdrive = {};
+
+	gdrive.init = function() {
+		function start() {
+			driveEnabled = true;
+			try {
+				var state = JSON.parse(decodeURI((/state=(.+?)(&|$)/
+					.exec(location.search) || [ , null ])[1]));
+				if (state.action == 'create') {
+					gdrive.createFile(state.folderId, fileManager.currentFile, fileManager.content);
+				}
+
+			} catch (e) {
+			}
+		}
+		function handleAuthResult(authResult) {
+			if (authResult && !authResult.error) {
+				$("#drive-link").hide();
+				gapi.client.load('drive', 'v2', function() {
+					start();
+				});
+			}
+		}
+		$("#drive-link").click(
+			function() {
+				gapi.auth.authorize({ 'client_id' : CLIENT_ID,
+					'scope' : SCOPES, 'immediate' : false }, handleAuthResult);
+			});
+		gapi.auth.authorize({ 'client_id' : CLIENT_ID, 'scope' : SCOPES,
+			'immediate' : true }, handleAuthResult);
+	};
+
+	gdrive.createFile = function(folderId, title, content) {
+		const boundary = '-------314159265358979323846';
+		const delimiter = "\r\n--" + boundary + "\r\n";
+		const close_delim = "\r\n--" + boundary + "--";
+
+		var contentType = 'text/x-markdown';
+		var metadata = { 'title' : title, 'mimeType' : contentType, 'parents' : [ { 'kind' : 'drive#fileLink', 'id' : folderId } ] };
+
+		var base64Data = btoa(content);
+		var multipartRequestBody = delimiter
+			+ 'Content-Type: application/json\r\n\r\n'
+			+ JSON.stringify(metadata) + delimiter + 'Content-Type: '
+			+ contentType + '\r\n' + 'Content-Transfer-Encoding: base64\r\n'
+			+ '\r\n' + base64Data + close_delim;
+
+		var request = gapi.client.request({
+			'path' : '/upload/drive/v2/files',
+			'method' : 'POST',
+			'params' : { 'uploadType' : 'multipart', },
+			'headers' : { 'Content-Type' : 'multipart/mixed; boundary="'
+				+ boundary + '"', }, 'body' : multipartRequestBody, });
+		if (!callback) {
+			callback = function(file) {
+				console.log(file);
+			};
+		}
+		request.execute(callback);
+	};
+
+	return gdrive;
+})(jQuery);
+
+(function($) {
+
+	$(function() {
+		var converter = Markdown.getSanitizingConverter();
+		var editor = new Markdown.Editor(converter);
+		editor.run();
+		$(window).resize(resize);
+		resize();
+
+		if (typeof (Storage) !== "undefined") {
+			fileManager.init();
+		} else {
+			showError("Web storage is not available");
+		};
+	});
+
 	function resize() {
 		$("#wmd-input").width($(window).width() / 2 - 60).height(
 			$(window).height() - 70);
 		$("#wmd-preview").width($(window).width() / 2 - 60).height(
 			$(window).height() - 100);
-	}
+	};
 
-	function showError(msg) {
-		alert(msg);
-	}
 })(jQuery);