Wednesday, April 19, 2017

Download all files from IIS web directory listing (non-recursive)

This simple code should be able to dig out all file names from inside the A HREF tags where the file name consists of letters, numbers, a few special characters, spaces, file path forward slashes and periods; and ends with an extension of 2-4 characters.  Each entry will be downloaded, however, take note that the A HREF data will contain a relative path to the item, including the directory structure.  The webclient downloadfile method's second parameter wants a path name, including file name, for the destination.  If the full path doesn't exist, the file may just get put in the current directory.

$wc = new-object net.webclient

$sitename = "http://somesite/somedirectory"

$weblisting = $wc.downloadstring($sitename)

$items = select-string '"[a-zA-Z0-9/._-() ]*\.[a-zA-Z0-9]{2,4}"' `
   -input $weblisting -allmatches|
   foreach {$_.matches.value.replace('"','')}

foreach ($item in $items) {

 $wc.downloadfile($sitename + $item, ".\" + $item)


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