I am wondering if there is a safer way to use ColdFusion CFFILE to upload files to Of course, you only perform the image tests if the file uploaded is an image. You may want to use a third party tool like Alagad Image CFC or ColdFusion 8’s built in image support to not only confirm that the file is indeed. On UNIX systems should also restrict access to the uploaded file by specifying the mode attribute, preferably so that only the ColdFusion process can read.

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Cffild out Pete’s “Always upload to a temp directory outside of the Web Root” section, above. The file prefix is deprecated, in favor of the cffile prefix.

cffile action = “upload”

Pathname of directory in which to upload the file. Great set of tips; I’d also suggest that if you have Apache, watch out for any uploaded files that have multiple file extensions e. So here are some tips to help make this process more secure.

Determines how the file should be handled if its name conflicts with the name of a file that already exists in the directory.

File Uploads | Learn CF in a Week

Permalink Add Comment add to del. Errors will be populated in the specfied variable name when continueOnError is true. But I was told I ypload not even allow user’s file to reach our server.


My Gravatar is enabled via my Hotmail address – any chance you’ll allow those mail-extensions in the future? ColdFusion 5 and earlier: So my question is, since I’m still using CF8, I actually don’t have many options to prevent my users from uploading other than. The following examples show the use of the mode attribute. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Sign up or log in Sign up using Google. And it’s late, so I’m too tired to clean the grammar. Just so I’m clear: Note File status parameters are read-only.

In my opinion it is best to follow the tips given by pete freitag and use a java class to determine the file type. Date and time of the last modification to the uploaded file. I tried to use cftry and cfcatch but I still get the same error, this mainly due to the MIME Type that I don’t know when the file is being uploaded by the cffipe.

You beat me to it. Jamie thanks, yes that is worth noting.

Post as a guest Name. Permissions are assigned for owner, group, and other, respectively. After a file upload is completed, you can get status information using file upload parameters. For this reason you need to ensure that cffile. If possible upload content to a server other than the application server, a server that only serves static content for example Amazon S3.


ColdFusion CFFILE to limit text file upload – Stack Overflow

The upload failure information error structure contains the following fields: You can set a maximum file size but this is processed during the upload. If not handled correctly, an uploaded file can lead to a compromised server or spread a virus infected file to other users. If you don’t want to trust the “accept” attribute, I would suggest allowing the user to upload the file and then checking the mime type of the uploaded file using the cffile.

If two cffile tags execute, the results of the second overwrite the first. I also found the same question in this forum and tried the suggested answer, it did not work, still got the same error message see below.

I didn’t intend to suggest that S3, or some third party CDN was the only way.