IT 3501 Web Development Techniques Programming Optional

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IT 3501 Web DevelopmentTechniques
Programming(Optional)

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Web address of BIT web sitehttp//www.ict.cmb.ac.
lk/bit.htm

• E-mail address
• IT 3501 - wdt_at_ict.cmb.ac.lk

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Major Topics

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• Processing on the Web
• Client-side
• Server-side

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• Client-side programming
• JavaScripts
• Handling of forms
• Mouse sensitive events

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• Server-side Programming
• Common Gateway Interface
• PERL 5
• NCSA, Apache http servers
• Linux

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• Writing CGI Scripts with PERL 5
• for Apache http servers
• (NCSA http server)
• httpd.conf
• srm.conf
• access.conf

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• httpd.conf controls how your server
• actually runs
• UID and GID the standalone server
• uses as it runs
• ServerAdmin
• webmaster_at_ict.cmb.ac.lk
• ServerRoot
• /usr/local/etc/httpd
• ServerName
• www.ict.cmb.ac.lk

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• httpd.conf controls
• ServerType
• standalone or inetd

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• srm.conf controls where your httpd server finds
  your documents and scripts
• DocumentRoot
• /usr/local/etc/httpd/htdocs
• UserDir
• public_html or DISABLED
• Alias or ScriptAlias
• /usr/local/etc/httpd/icons
• /usr/local/etc/httpd/cgi-bin etc.

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• access.conf controls what type of action web
  browsers have to your whole web server or to
  certain directories.
• Security precautions can be taken here

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ltDirectory /usr/local/etc/httpd/cgi-bingt Options
Indexes FollowSymLinks lt/Directorygt ltDirectory
/usr/local/etc/httpd/htdocsgt Options Indexes
FollowSymLinks AllowOverride All ltLimit
GETgt order allow,deny allow from
all lt/Limitgt lt/Directorygt
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• CGI Programming
• Configuring HTTP server for CGI
• NCSA type (e.g. Apache)
• Executing external programs
• Forms handling
• Dynamic Web pages
• e.g Hot areas
• Linking Databases to the Web
• Integrating other services
• Server Side Includes

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Forms handling
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ltHTMLgt ltheadgtlttitlegtGuest Booklt/titlegtlt/headgt ltbod
ygt lth1gtFill in my guestbook.!lt/h1gt ltform
method"GET" action"/cgi-bin/guestbook.pl"gt ltpregt
First Name ltinput type"TEXT"
name"firstname"gt Last Name ltinput type"text"
NAME"lastname"gt ltinput type"submit"gt ltinput
type"reset"gt lt/pregt lt/formgt lt/bodygtlt/HTMLgt

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• GET method transfers data within the URL itself
• GET
• /cgibin/guestbook.pl?firstnameYasindulastnameP
  ushpika HTTP/1.0
• POST method transfers data in the body portion of
  the http request
• POST /cgi-bin/guestbook.pl HTTP/1.0
• more headers
• firstnameYasindulastnamePushpika

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In GET method Parameters can be extracted
from the Environment variable QUERY_STRING
(ENV in PERL) In POST method body text of the
request will contain the parameters (STDIN in
PERL)

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Examination Criteria Examination Paper will
consist of two parts. Part 1 2 Hour paper
consisting of MCQs (Answer ALL) Part 2 1
Hour Paper consisting of Structured
Questions (Answer Q1 and Q2 or Q3)

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Main Readings Beginning XHTML by Frank
Boumpery, Cassandra Greer, Dave Raggett, Jenny
Raggett, Sebastian Schnitzenbaumer Ted
Wugofski, WROX press (Indian Shroff Publishes
SPD) 1st edition , ISBN81-7366-164-2, 2000

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Main Readings contd.. HTML XHTML The
Definitive Guide by Chuck Musciano, Bill
Kennedy 4th edition ,2000

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Main Readings contd.. XHTML Black Book by
Steven Holzner ,2000
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• Supplementary Readings
• CGI Programming
• on the World Wide Web.
• OReilly Associates.

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• Supplementary Readings contd..
• JavaScript Unleashed
• 3rd Edition
• by Wagner

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• Supplementary Readings contd..
• Webmaster in a Nutshell (2nd Ed.)
• Stephen Spainhour Robert Eckstein.
• OReilly Associates. 1999

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• Supplementary Readings contd..
• Dynamic Web Publishing Unleashed
• by Powers

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• Supplementary Readings contd..
• Unlocking Active Server Pages
• by Christop H. Wille

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• Platform
• Hardware
• Any standard PC (Pentium)
• Software 
• Windows 2000/NT  
• Linux 
• Apache, Microsoft IIS
• Perl 5.0 (WinPerl) etc.
• JavaScript V2
• HTML 4.01

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