File Upload Test Application

JSP Tutorials - Herong's Tutorial Examples

∟File Upload Test Application

This chapter provides tutorial notes and example codes on file upload test application. Topics include file upload specification, RFC 1867; HTTP POST method and multipart/form-data encryption method; dumping uploaded files back to browser; saving uploaded files on the server.

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RFC 1867 - Form-based File Upload in HTML

Code 1 - Display Options - UploadInit.html

Code 2 - Display Form - UploadForm.jspx

Code 3 - Dump File - UploadDump.jspx

Test 1 - GET Method - Failed

Test 2 - POST Method - Successful

Code 4 - Save File - UploadSave.jspx

Test 3 - Save File - Successful

Code Review - UploadSave.jspx

Conclusions:

RFC 1867 defines a new HTML input type, FILE, for the browser to collect files to update.
RFC 1867 defines a new encryption type, multipart/form-data, for the browser to upload files in the HTTP request body in a multi-part format.
Uploaded files should be handled as binary data. The new line character of the last line in the uploaded files should be removed.
Be careful about saving uploaded files on a Web server. They should be saved in a secure area. Web server should avoid using the path name submitted by the browser. Web users could use it to damage your server file system.