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| { | |
| "timeZone": "Australia/Hobart", | |
| "dependencies": {}, | |
| "exceptionLogging": "STACKDRIVER", | |
| "runtimeVersion": "V8", | |
| "webapp": { | |
| "executeAs": "USER_ACCESSING", | |
| "access": "ANYONE" | |
| } | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <base target="_top"> | |
| </head> | |
| <body> | |
| <h1 style="color:blue">You are worthy!</h1> | |
| </body> | |
| </html> |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <base target="_top"> | |
| </head> | |
| <body> | |
| <h1 style="color:red">You are not worthy!</h1> | |
| </body> | |
| </html> |
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| // ################################## VALIDATE USERS ON A WEB APP ################################## | |
| // Allows users with a Gmail or Domain Google Workspace account to be validated and given access to | |
| // a WebApp. | |
| // Can be easily be adapted for Google Workspace Editor Add-on Side-bars and Dialogue Boxes | |
| // @author Yagisanatode | |
| // You can check out the full write up here: {@link https://yagisanatode.com/2021/08/18/how-to-validate-specific-users-on-a-web-app-in-google-apps-scripts} | |
| // ################################################################################################# | |
| //##### GLOBALS ##### | |
| FILE_ID = '1JYq_HX_zCqyGYJzWtAkpIoVruPVAqYKDfKYW9F0A92o' | |
| //####################### Create Webpage for Webapp ############################ | |
| /**Creates webpage for web app. | |
| * First calls validators to check if user has edit access to selected file as | |
| * either an individual user or a group. | |
| * Builds 'Index' file if user has access otherwise builds 'NonUser' file. | |
| */ | |
| function doGet() { | |
| const userEmail = Session.getActiveUser().getEmail() | |
| const fileID = FILE_ID; | |
| const isValid = validate(userEmail, fileID) | |
| let htmlfile = (isValid)? 'Index':'NonUser'; | |
| const html = HtmlService.createTemplateFromFile(htmlfile) | |
| .evaluate() | |
| .setTitle("The Worthy") | |
| .setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL) | |
| .addMetaTag('viewport', 'width=device-width, initial-scale=1'); | |
| return html; | |
| }; | |
| /** | |
| * Checks if user is an editor of a file. | |
| * First checks email, then check if member of group. | |
| * @param {string} email - email address of active user. | |
| * @param {string} fileID - the connected file ID with the shared editors. | |
| * @returns {boolean} true if user is and editor of file. Otherwise, false. | |
| */ | |
| function validate(email, fileID){ | |
| let isValid = false; //Indicates if email is an editor. | |
| /** | |
| * Get's list of file editors by email. | |
| * @returns {array} list of emails of all editors in file | |
| */ | |
| const emailList = (()=>{ | |
| var file; | |
| try{ | |
| file = DriveApp.getFileById(fileID); | |
| }catch(e){ | |
| return false; // If user has no access. | |
| } | |
| return file.getEditors().map(editor => { | |
| return editor.getEmail(); | |
| }) | |
| })(); | |
| if(!emailList){ | |
| isValid = false; | |
| return isValid; | |
| } | |
| /** | |
| * Get's list any group email with edit permission that | |
| * the user is a memeber of. | |
| * @returns {boolean} true if match. | |
| */ | |
| const groupEmailList = (()=>{ | |
| let isMemberOfGroup = false; | |
| GroupsApp.getGroups().map(group => { | |
| return group.getEmail() | |
| }).forEach(group => { | |
| if (emailList.includes(group)) { | |
| isMemberOfGroup = true | |
| } | |
| }) | |
| return isMemberOfGroup; | |
| })() | |
| //Check if email in editor list. | |
| if(emailList.includes(email)){ | |
| isValid = true; | |
| }else if(groupEmailList){ | |
| isValid = true; | |
| } | |
| return isValid; | |
| } | |
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Link to tutorial