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| Introduction | |
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| An Introduction to CGI | |
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| Overview of CGI Programming | |
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| Types of Web Applications | |
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| A History of CGI | |
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| What Is a CGI Program? | |
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| How CGI Programs Work | |
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| Pros and Cons of CGI | |
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| CGI Programming Languages | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Setting Up Your CGI Environment | |
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| The Web Server Itself | |
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| Web-Server Operating Systems | |
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| The CGI Environment | |
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| Web Servers | |
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| Setting Up Your CGI Development Environment | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Downloading, Installing, and Debugging CGI Scripts | |
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| Downloading Scripts From the Internet | |
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| Installing a Downloaded Script | |
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| Example: Downloading and Installing a Guestbook Script | |
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| Debugging CGI Scripts | |
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| Tools and Techniques for Debugging Your Program Code | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Writing Your First CGI Program | |
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| Parts of CGI Programs | |
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| A URL-Redirection Program | |
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| Working With Files in Perl | |
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| Loops in Perl | |
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| The if Statement | |
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| Perl Expressions | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Capturing User Input | |
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| Creating HTML Forms | |
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| The [FORM] Tag | |
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| The [INPUT] Tag | |
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| Other Form Fields | |
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| Workshop: Building an Entire Form | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Processing Input | |
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| A Little Bit About HTTP | |
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| Handling Script Arguments | |
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| Processing Form Data | |
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| Using CGI.pm to Decode Form Data | |
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| Sending Input to CGI programs via Extra Path Information | |
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| CGI Environment Variables | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Validating User Input | |
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| Using JavaScript for Form Validation | |
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| Designing Easily Validated Forms | |
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| Incorporating Validation into the Form-Processing Code | |
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| An Example of Form Processing | |
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| Validating Values | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Creating an Email Feedback Form | |
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| What Kinds of Applications Entail Sending Email? | |
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| How Email Works | |
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| Example: Sending Email from a CGI Script | |
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| Using Blat | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| CGI Programming Languages and Tools | |
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| CGI and Simple Shell Scripting | |
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| Writing Shell Scripts | |
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| Decoding Form Data | |
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| Working with Query Strings | |
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| Un-CGI | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Perl--The Big Kahuna of CGI Programming | |
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| CGI.pm | |
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| Accessing CGI.pm from Your Program | |
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| Decoding Form Data via CGI.pm | |
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| Generating HTTP Headers and HTML Tags via CGI.pm | |
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| cgi-lib.pl | |
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| Handling Errors with CGI::Carp | |
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| Resources for Perl Programmers | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Other Popular CGI Programming Languages | |
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| Will My Favorite Language Work for CGI? | |
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| Writing CGI Programs in C | |
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| The cgic Library | |
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| A C Example | |
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| Writing CGI Programs in Python | |
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| A Python Example | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Pros and Cons of Alternate Technologies | |
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| Looking Back | |
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| Types of CGI Alternatives | |
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| Active Server Pages | |
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| Allaire ColdFusion | |
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| The Apache mod_per1 Module | |
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| PHP | |
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| Server-Side Java | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Building Basic CGI Applications | |
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| Using Flat Files for Data Storage | |
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| What Is a Database? | |
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| Flat-File Databases | |
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| File Operations | |
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| Building a Database Application | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Creating a CGI-Based Message Board | |
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| The Structure of the Application | |
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| The File Format | |
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| The Display Script | |
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| The Posting Script | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Session (State) Management | |
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| Why Use Session Management? | |
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| Basic Authentication | |
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| Hidden Fields in Forms | |
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| Hidden Form Fields Example | |
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| Using Cookies | |
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| Session Management with Cookies | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Building a Simple Shopping Cart | |
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| How the Sample Shopping Cart Works | |
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| The Catalog | |
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| The Contents of the Shopping Cart | |
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| Checkout | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Content Publishing with CGI | |
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| Why Content Publishing? | |
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| Types of Content Publishing Systems | |
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| Data Storage for Content Publishing Systems | |
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| A Content Publishing Example | |
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| Third-Party Content Management Systems | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Integrating Databases and CGI | |
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| Working with Relational Databases | |
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| The Relational Database Model | |
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| Structured Query Language | |
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| Database Design | |
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| Relational Data Types | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| How to Use the Structured Query Language | |
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| Structured Query Language | |
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| Database Interfaces | |
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| ODBC | |
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| DBI and DBD | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Creating an Online Store | |
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| The Database Design | |
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| The Catalog Script | |
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| The Shopping Cart Script | |
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| The Checkout Script | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Additional CGI Tips and Tricks | |
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| Working with HTTP | |
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| HTTP Basics | |
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| What Takes Place During an HTTP Session | |
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| Server Response Codes | |
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| Response Headers | |
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| NPH Scripts | |
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| Content Types | |
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| Secure Connections | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Securing CGI Scripts | |
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| Why Security? | |
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| Securing Your Web Server | |
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| Common CGI Security Holes | |
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| Safe Programming | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Creating Custom Error Documents | |
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| What Is an Error Document? | |
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| Configuring Your Web Server for Custom Error Documents | |
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| Using HTML to Create a Basic Error Document | |
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| Using CGI to Create an Advanced Error Document | |
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| Handling an "Unauthorized" Error | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Server Side Includes | |
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| How Server Side Includes Work | |
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| Setting Up Your Web Server for SSI | |
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| Using SSI Directives | |
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| Designing Pages Using SSI | |
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| XSSI | |
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| Summary | |
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| QandA | |
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| Workshop | |
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| Appendixes | |
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| Answers | |
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| MIME Types | |
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| Response Codes and Reason Phrases | |
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| Environment Variables and Request Headers | |
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| Summary of Regular Expressions | |
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| The ASCII Character Table | |
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| Index | |