Chapter 2: Understanding and Avoiding Security Risks
Identifying the Sources of Risk
Minimizing User-Input Risks
Not Revealing Sensitive Information
Summary
Chapter 3: PHP Best Practices
Best Practices for Naming Variables and Functions
Best Practices for Function/Method
Best Practices for Database
Best Practices for User Interface
Best Practices for Documentation
Best Practices for Web Security
Best Practices for Source Configuration Management
Summary
Part II
Chapter 4: Architecture of an Intranet Application
Understanding Intranet Requirements
Building an Intranet Application Framework
Creating a Database Abstraction Class
Creating an Error Handler Class
Creating a Built-In Debugger Class
Creating an Abstract Application Class
Creating a Sample Application
Summary
Chapter 5: Central Authentication System
How the System Works
Creating an Authentication Class
Creating the Central Login Application
Creating the Central Logout Application
Creating the Central Authentication Database
Testing Central Login and Logout
Making Persistent Logins in Web Server Farms
Summary
Chapter 6: Central User Management System
Identifying the Functionality Requirements
Creating a User Class
User Interface Templates
Creating a User Administration Application
Creating a User Password Application
Creating a Forgotten-Password Recovery Application
Summary
Chapter 7: Intranet System
Identifying Functionality Requirements
Designing the Database
Designing and Implementing the Intranet Classes
Setting Up Application Configuration Files
Setting Up the Application Templates
Intranet Home Application
Installing Intranet Applications from the CD- ROM
Testing the Intranet Home Application
Summary
Chapter 8: Intranet Simple Document Publisher
Identifying the Functionality Requirements
The Prerequisites
Designing the Database
The Intranet Document Application Classes
Setting up Application Configuration Files
Setting Up the Application Templates
The Document Publisher Application
Installing Intranet Document Application
Testing Intranet Document Application
Summary
Chapter 9: Intranet Contact Manager
Functionality Requirements
Understanding Prerequisites
The Database
The Intranet Contact Manager Application Classes
The Application Configuration Files
The Application Templates
The Contact Category Manager Application
The Contact Manager Application
Installing Intranet Contract Manager
Testing Contract Manager
Summary
Chapter 10: Intranet Calendar Manager
Identifying Functionality Requirements
Understanding Prerequisites
Designing the Database
The Intranet Calendar Application Event Class
The Application Configuration Files
The Application Templates
The Calendar Manager Application
The Calendar Event Manager Application
Installing the Event Calendar on Your Intranet
Testing the Event Calendar
Summary
Chapter 11: Internet Resource Manager
Functionality Requirements
Understanding the Prerequisites
Designing the Database
Designing and Implementing the Internet Resource Manager Application Classes
Creating Application Configuration Files
Creating Application Templates
Creating a Category Manager Application
Creating a Resource Manager Application
Creating a Resource Tracking Application
Creating a Search Manager Application
Installing an IRM on Your Intranet
Testing IRM
Security Concerns
Summary
Chapter 12: Online Help System
Functionality Requirements
Understanding the Prerequisites
Designing and Implementing the Help Application Classes
Creating Application Configuration Files
Creating Application Templates
Creating the Help Indexing Application
Creating the Help Application
Installing Help Applications
Testing the Help System
Security Considerations
Summary
Part III
Chapter 13: Tell-a-Friend System
Functionality Requirements
Understanding Prerequisites
Designing the Database
Designing and Implementing the Tell- a- Friend Application Classes
Creating Application Configuration Files
Creating Application Templates
Creating the Tell-a-Friend Main Menu Manager Application
Creating a Tell-a-Friend Form Manager Application
Creating a Tell-a-Friend Message Manager Application
Creating a Tell-a-Friend Form Processor Application
Creating a Tell-a-Friend Subscriber Application
Creating a Tell-a-Friend Reporter Application
Installing a Tell-a-Friend System
Testing the Tell-a-Friend System
Security Considerations
Summary
Chapter 14: E-mail Survey System
Functionality Requirements
Architecture of the Survey System
Designing the Database
Designing and Implementing the Survey Classes
Designing and Implementing the Survey Applications
Developing Survey Execution Manager
Setting Up the Central Survey Configuration File
Setting Up the Interface Template Files
Testing the Survey System
Security Considerations
Summary
Chapter 15: E-campaign System
Features of an E-campaign System
Architecting an E-campaign System
Designing an E-campaign Database
Understanding Customer Database Requirements
Designing E-campaign Classes
Creating Common Configuration and Resource Files
Creating Interface Template Files
Creating an E-campaign User Interface Application
Creating a List Manager Application
Creating a URL Manager Application
Creating a Message Manager Application
Creating a Campaign Manager Application
Creating a Campaign Execution Application
Creating a URL Tracking and Redirection Application
Creating an Unsubscription Tracking Application
Creating a Campaign Reporting Application
Testing the E-Campaign System
Security Considerations
Summary
Part IV
Chapter 16: Command-Line PHP Utilities
Working with the Command-Line Interpreter
Building a Simple Reminder Tool
Building a Geo Location Finder Tool for IP
Building a Hard Disk Usage Monitoring Utility
Building a CPU Load Monitoring Utility
Summary
Chapter 17: Apache Virtual Host Maker
Understanding an Apache Virtual Host
Defining Configuration Tasks
Creating a Configuration Script
Developing makesite
Installing makesite on Your System
Testing makesite
Summary
Chapter 18: BIND Domain Manager
Features of makezone
Creating the Configuration File
Understanding makezone
Installing makezone
Testing makezone
Summary
Part V
Chapter 19: Web Forms Manager
Functionality Requirements
Understanding Prerequisites
Designing the Database
Designing and Implementing the Web Forms Manager Application Classes
Creating the Application Configuration Files
Creating Application Templates
Creating the Web Forms Submission Manager Application
Creating the Web Forms Reporter Application
Creating the CSV Data Exporter Application
Installing the Web Forms Manager
Testing the Web Forms Manager
Security Considerations
Summary
Chapter 20: Web Site Tools
Functionality Requirements
Understanding Prerequisites
Designing the Database
Designing and Implementing the Voting Tool Application Class
Creating the Application Configuration Files
Creating the Application Templates
Creating the Vote Application
Installing the Voting Tool
Testing the Voting Tool
Summary
Part VI
Chapter 21: Speeding Up PHP Applications
Benchmarking Your PHP Application
Buffering Your PHP Application Output
Compressing Your PHP Application Output
Caching Your PHP Applications
Summary
Chapter 22: Securing PHP Applications
Controlling Access to Your PHP Applications
Securely Uploading Files
Using Safe Database Access
Recommended php.ini Settings for a Production Environment
Limiting File System Access for PHP Scripts
Running PHP Applications in Safe Mode
Summary
Part VII
Appendix A: What's on the CD-ROM
System Requirements
What's on the CD
Troubleshooting
Appendix B: PHP Primer
Object-Oriented PHP
Appendix C: MySQL Primer
Using MySQL from the Command- Line
Using phpMyAdmin to Manage MySQL Database
Appendix D: Linux Primer
Installing and Configuring Apache 2.0
Installing and Configuring MySQL Server
Installing and Configuring PHP for Apache 2.0
Common File/Directory Commands
Index
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Creating a Campaign class The purpose of this class is to provide the Campaign object, which is needed to manipulate the campaign. An implementation of this class can be found in ch15/ apps/class/class.EcampaignCampaign.php file in the CDROM. This class imple- ments the methods discussed in the following sections. EcampaignCampaign() This method sets the member variable, ecampaign_tbl, to the $ECAMPAIGN_TBL configuration variable. The member variable, dbi, is set to $dbi, which is passed from the application. This method also sets the current campaign ID using the setCampaignID() method. setCampaignID() This method sets the current campaign ID to the campaign ID supplied. If no cam- paign ID is supplied as a parameter, the current campaign ID is returned. getCampaignInfo() This method returns campaign information about a given campaign or the current campaign. getAvailableCampaigns() This method returns the list of campaigns from the e-campaign database. The returned associative array is keyed with the campaign ID (CAMPAIGN_ID), and the values are set to campaign name (NAME). addCampaign() This method adds a campaign in the e-campaign database. deleteCampaign() This method deletes a campaign from the e-campaign database. modifyCampaign() This method updates a campaign in the e-campaign database. Creating a URL Tracking class The purpose of this class is to provide the URL Track object, which is needed to manipulate the URL track information. An implementation of this class can be found in ch15/apps/class/class.EcampaignTrack.php file in the CDROM. This class implements the methods discussed in the following sections. Chapter 15: E-campaign System 521 19 549669 ch15.qxd 4/4/03 9:26 AM Page 521 EcampaignTrack() This is the constructor method that sets a member variable, track_tbl, to e-campaign configuration variable $ECAMPAIGN_TRACK_TBL, which holds the URL track table name. This method also sets another member variable, dbi, to the DBI ($dbi) object, which is passed from the application. storeTrack() This method stores a URL track record in the URL track table. Creating an Unsubscription Tracking class The purpose of this class is to provide the Unsubscription Track object, which is needed to manipulate the unsubscription track information. An implementation of this class can be found in ch15/apps/class/class.EcampaignUnsub.php. This class implements the methods discussed in the following sections. EcampaignUnsub() This is the constructor method that sets a member variable, unsub_tbl, to $ECAMPAIGN_UNSUB_TBL, which is an ecampaign.conf configuration variable set to hold the unsubscription table name. This method also sets another member vari- able, dbi, to the DBI ($dbi) object, which is passed from the application. storeUnsub() This method stores an unsubscription record in the unsubscription track table. Creating a Report class The purpose of this class is to provide the Report object, which is needed to manip- ulate the report information. An implementation of this class can be found in ch15/apps/class/class.EcampaignReport.php file in the CDROM. This class implements the methods discussed in the following sections. EcampaignReport() This constructor method sets member variables ecampaign_tbl, track_tbl, unsub_tbl, and bounced_tbl to e-campaign configuration variables $ECAMPAIGN_ TBL , $ECAMPAIGN_TRACK_TBL, $ECAMPAIGN_UNSUB_TBL, and $ECAMPAIGN_BOUNCED_ TBL , respectively. The member variable, dbi, is set to the DBI object ($dbi), which is passed as a parameter from an application. Another member variable, campaign_id, is set to the campaign ID passed as a parameter from an application creating the report object. 522 Part III: Developing E-mail Solutions 19 549669 ch15.qxd 4/4/03 9:26 AM Page 522 setEcampaignCampaignID() This method sets the current campaign ID to the campaign ID parameter if it is not null and returns the current campaign ID. getURLResponse() This method returns URL click-through count for each tracked URL in a campaign. getUnsubResponse() This method returns the total unsubscription track for a campaign. getBounceResponse() This method returns the total number of immediate bounces for a given campaign. Creating Common Configuration and Resource Files Like all other applications you’ve developed in this book, the e-campaign applica- tions also use a standard set of configuration, message, and error files. These files are discussed in the following sections. Creating an e-campaign configuration file The primary configuration file for the entire e-campaign system is called ecampaign.conf, which can be found in ch15/apps directory in the CDROM. Table 15-2 discusses each configuration variable. TABLE 15-2 ecampaign.conf VARIABLES Configuration Variable Purpose $PEAR_DIR Set to the directory containing the PEAR package; specifically the DB module needed for class.DBI.php in the application framework. $PHPLIB_DIR Set to the PHPLIB directory, which contains the PHPLIB packages; specifically the template.inc package needed for template manipulation. $APP_FRAMEWORK_DIR Set to the application framework directory. Continued Chapter 15: E-campaign System 523 19 549669 ch15.qxd 4/4/03 9:26 AM Page 523 TABLE 15-2 ecampaign.conf VARIABLES (Continued) Configuration Variable Purpose $PATH Set to the combined directory path consisting of the $PEAR_DIR, the $PHPLIB_DIR, and the $APP_FRAMEWORK_DIR. This path is used with the ini_set() method to redefine the php.ini entry for include_path to include $PATH ahead of the default path. This allows PHP to find the application framework, PHPLIB, and PEAR-related files. $AUTHENTICATION_URL Set to the central login application URL. $LOGOUT_URL Set to the central logout application URL. $HOME_URL Set to the topmost URL of the site. If the URL redirection application does not find a valid URL in the e-campaign database to redirect to for a valid request, it uses this URL as a default. $APPLICATION_NAME Internal name of the application. $XMAILER_ID This is the X-Mailer mail header sent with each mail to identify what program was used to send mail. $DEFAULT_LANGUAGE Set to the default (two- digit) language code. $ROOT_PATH Set to the default (two-digit) language code. $REL_ROOT_PATH Relative path to the root directory. $REL_APP_PATH Relative application path as seen from the Web browser. $ECAMPAIGN_MENU_URL Relative URL path to the campaign manager interface application. $TEMPLATE_DIR Set to the template directory containing the ihtml template files needed for the user-management applications. $CLASS_DIR Set to the class directory where user-management- related class files are stored. $ECAMPAIGN_LIST_CLASS Name of the List class. $ECAMPAIGN_URL_CLASS Name of the URL class. 524 Part III: Developing E-mail Solutions 19 549669 ch15.qxd 4/4/03 9:26 AM Page 524 Configuration Variable Purpose $ECAMPAIGN_TRACK_CLASS Name of the URL Track class. $ECAMPAIGN_UNSUB_CLASS Name of the Unsubscription class. $ECAMPAIGN_CAMPAIGN_CLASS Name of the Campaign class. $ECAMPAIGN_MESSAGE_CLASS Name of the Message class. $ECAMPAIGN_REPORT_CLASS Name of the Report class. $ECAMPAIGN_MNGR Name of the campaign manager interface application. This application displays the primary user interface. $ECAMPAIGN_URL_MNGR Name of the URL manager application. $ECAMPAIGN_CAMPAIGN_MNGR Name of the campaign manager application. $ECAMPAIGN_LIST_MNGR Name of the list manager application. $ECAMPAIGN_MESSAGE_MNGR Name of the message manager application. $ECAMPAIGN_EXEC_MNGR Name of the campaign execution application. $ECAMPAIGN_REPORT_MNGR Name of the report manager application. $ECAMPAIGN_REDIR_MNGR Name of the URL redirection application. $ECAMPAIGN_UNSUB_MNGR Name of the unsubscription application. $REL_TEMPLATE_DIR Set to relative template directory. $ECAMPAIGN_DB_URL Set to campaign database URL. $MAX_DELIVERY_AT_A_TIME Set to maximum e-mail delivery count per run. Because the execution application cannot run the entire campaign in one shot due to browser timeout issues, it executes this number of e-mails at a time. The execution application calls itself after each run using the meta refresh method. $MAX_WAIT_PER_DELIVERY The number of seconds the campaign execution application waits before it restarts via the meta refresh tag. $SECRET A random number used in the checksum algorithm. $ECAMPAIGN_LIST_TBL Name of the list table. $ECAMPAIGN_URL_TBL Name of the URL table. Continued Chapter 15: E-campaign System 525 19 549669 ch15.qxd 4/4/03 9:26 AM Page 525 . package; specifically the DB module needed for class.DBI .php in the application framework. $PHPLIB_DIR Set to the PHPLIB directory, which contains the PHPLIB packages; specifically the template.inc package. $PHPLIB_DIR, and the $APP_FRAMEWORK_DIR. This path is used with the ini_set() method to redefine the php. ini entry for include_path to include $PATH ahead of the default path. This allows PHP. information. An implementation of this class can be found in ch15/apps/class/class.EcampaignUnsub .php. This class implements the methods discussed in the following sections. EcampaignUnsub() This