August 2001
Intermediate to advanced
976 pages
38h 8m
English
Content preview from Programming ColdFusionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Manipulating Files and Directories
ColdFusion comes with three tags that make it possible to manipulate files and directories on both local and remote servers. These tags enable you to build sophisticated applications such as document management systems, forms capable of accepting file uploads, FTP clients, and more.
The CFDIRECTORY and CFFILE tags
allow you to manipulate directories and files on your local
ColdFusion server, while the CFFTP tag makes it
possible to conduct file transfers between your ColdFusion server and
remote FTP servers. Both the CFFILE and
CFDIRECTORY tag present potential security
hazards, as these tags have direct access to the filesystem of the
ColdFusion server. Therefore care should be taken with their use and
deployment. Depending on the configuration of your web server and
operating system, it may also be possible to upload executable code
via the CFFILE tag and execute it on your server.
The consequences can be potentially devastating to a system as a user
could easily upload malicious code to the server and subsequently
execute it. Therefore, both tags can be disabled from the ColdFusion
administrator, should you decide not to make them available to
developers on your server.
Working with Directories
The CFDIRECTORY tag lists
directory contents as well as creates, renames, and deletes
directories on your ColdFusion application server. In an application
such as a document management system, the
CFDIRECTORY tag allows you to do such tasks ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.