Book Image

Rust Web Programming

By : Maxwell Flitton
Book Image

Rust Web Programming

By: Maxwell Flitton

Overview of this book

Are safety and high performance a big concern for you while developing web applications? While most programming languages have a safety or speed trade-off, Rust provides memory safety without using a garbage collector. This means that with its low memory footprint, you can build high-performance and secure web apps with relative ease. This book will take you through each stage of the web development process, showing you how to combine Rust and modern web development principles to build supercharged web apps. You'll start with an introduction to Rust and understand how to avoid common pitfalls when migrating from traditional dynamic programming languages. The book will show you how to structure Rust code for a project that spans multiple pages and modules. Next, you'll explore the Actix Web framework and get a basic web server up and running. As you advance, you'll learn how to process JSON requests and display data from the web app via HTML, CSS, and JavaScript. You'll also be able to persist data and create RESTful services in Rust. Later, you'll build an automated deployment process for the app on an AWS EC2 instance and Docker Hub. Finally, you'll play around with some popular web frameworks in Rust and compare them. By the end of this Rust book, you'll be able to confidently create scalable and fast web applications with Rust.

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Table of Contents (19 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Download the example code files
Code in Action
Download the color images
Conventions used
Get in touch
Reviews
1
Section 1:Setting Up the Web App Structure
Section 1:Setting Up the Web App Structure
Free Chapter
2
Chapter 1: Quick Introduction to Rust
Chapter 1: Quick Introduction to Rust
Technical requirements
Reviewing data types and variables in Rust
Controlling variable ownership
Building structs
Metaprogramming with macros
Summary
Questions
Further reading
3
Chapter 2: Designing Your Web Application in Rust
Chapter 2: Designing Your Web Application in Rust
Technical requirements
Managing Cargo
Structuring code
Interacting with the environment
Summary
Questions
4
Section 2:Processing Data and Managing Displays
Section 2:Processing Data and Managing Displays
5
Chapter 3: Handling HTTP Requests
Chapter 3: Handling HTTP Requests
Technical requirements
Introducing the Actix Web framework
Understanding closures
Understanding asynchronous programming
Understanding async and await
Managing views using the Actix Web framework
Putting it together
Summary
Questions
6
Chapter 4: Processing HTTP Requests
Chapter 4: Processing HTTP Requests
Technical requirements
Getting to know the initial setup
Passing parameters
Using macros for JSON serialization
Extracting data
Summary
Questions
7
Chapter 5: Displaying Content in the Browser
Chapter 5: Displaying Content in the Browser
Technical requirements
Displaying HTML in the browser from a server
Injecting JavaScript into HTML
Injecting CSS into HTML
Inheriting components
Summary
Questions
8
Section 3:Data Persistence
Section 3:Data Persistence
9
Chapter 6: Data Persistence with PostgreSQL
Chapter 6: Data Persistence with PostgreSQL
Technical requirements
Building our PostgreSQL database
Connecting to PostgreSQL with Diesel
Connecting our application to PostgreSQL
Inserting data into the database
Summary
Questions
Further reading
10
Chapter 7: Managing User Sessions
Chapter 7: Managing User Sessions
Technical requirements
Creating our user model
Authenticating our users
Managing user sessions
Summary
Questions
Further reading
11
Chapter 8: Building RESTful Services
Chapter 8: Building RESTful Services
Technical requirements
What are RESTful services?
Summary
Questions
12
Section 4:Testing and Deployment
Section 4:Testing and Deployment
13
Chapter 9: Testing Our Application Endpoints and Components
Chapter 9: Testing Our Application Endpoints and Components
Technical requirements
Cleaning up our code
Building our unit tests
Writing tests in Postman
Automating Postman tests with Newman
Summary
Questions
Further reading
14
Chapter 10: Deploying Our Application on AWS
Chapter 10: Deploying Our Application on AWS
Technical requirements
Running our application locally
Deploying our application image on dockerhub
Deploying our application on a server
Enabling data persistence on our server
Summary
Further reading
15
Chapter 11: Understanding Rocket Web Framework
Chapter 11: Understanding Rocket Web Framework
Technical requirements
What is Rocket?
Setting up our server
Connecting to our database
Authenticating our requests
Defining middleware with fairings
Passing data into our views
Putting it all together
Summary
Further reading
16
Assessments
Question 1
Answer
Question 2
Answer
Question 3
Answer
Question 4
Question 5
Answer
Question 6
Answer
Question 7
Answer
Question 8
Answer
Question 9
Answer
Question 10
Answer
Question 1
Answer
Question 2
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Question 3
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Question 4
Answer
Question 5
Answer
Question 6
Answer
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
Answer
Question 6
Answer
Question 7
Answer
Question 1
Answer
Question 2
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Question 3
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Question 4
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Question 5
Answer
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 1
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Question 2
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Question 3
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Question 4
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 1
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Question 2
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Question 3
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Question 5
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Question 6
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Question 7
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Answer
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17
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Appendix A: Understanding the Warp Framework
Appendix A: Understanding the Warp Framework
Technical requirements
What is Warp?
Setting up our server
Connecting to our database
Authenticating our requests
Passing data into our views
Summary

Chapter 7: Managing User Sessions

At this point, our app is manipulating data in a proper database by clicking buttons on the view. However, anyone who comes across our app can also edit the data. While our app is not the type of app that would require a lot of security, it is an important concept to understand and practice in general web development.

In this chapter, we will build a system that creates users. It will also manage user sessions by requiring the user to log in before they can alter any to-do items through the frontend app.

In this chapter, we will cover the following topics:

  • Creating user data models with relationships with other tables with unique constraints of certain fields via database migrations
  • Hashing and checking passwords, and JSON Web Tokens (JWTs)
  • Logging users in and out of the app
  • Storing auth credentials in the browser and passing them with every API call
  • Managing user sessions

Let's get started!

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