(chocolateyGH-781) Web Functions - Return early when local file

Check to see if the requested url is actually a local file and return
early if found.

src/chocolatey.resources/helpers/functions/Get-FtpFile.ps1

@@ -79,6 +79,20 @@ param(
     return
   }
 
+  try {
+    $uri = [System.Uri]$url
+    if ($uri.IsFile()) {
+      Write-Debug "Url is local file, setting destination"
+      if ($url.LocalPath -ne $fileName) {
+        Copy-Item $uri.LocalPath -Destination $fileName -Force
+      }
+
+      return
+    }
+  } catch {
+    //continue on
+  }
+
   # Create a FTPWebRequest object to handle the connection to the ftp server
   $ftprequest = [System.Net.FtpWebRequest]::create($url)
 

src/chocolatey.resources/helpers/functions/Get-WebFile.ps1

@@ -89,6 +89,21 @@ param(
 )
   Write-Debug "Running 'Get-WebFile' for $fileName with url:`'$url`', userAgent: `'$userAgent`' ";
   #if ($url -eq '' return)
+
+  try {
+    $uri = [System.Uri]$url
+    if ($uri.IsFile()) {
+      Write-Debug "Url is local file, setting destination"
+      if ($url.LocalPath -ne $fileName) {
+        Copy-Item $uri.LocalPath -Destination $fileName -Force
+      }
+
+      return
+    }
+  } catch {
+    //continue on
+  }
+
   $req = [System.Net.HttpWebRequest]::Create($url);
   $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
   if ($defaultCreds -ne $null) {

src/chocolatey.resources/helpers/functions/Get-WebFileName.ps1

@@ -83,6 +83,17 @@ param(
     return $originalFileName
   }
 
+  try {
+    $uri = [System.Uri]$url
+    if ($uri.IsFile()) {
+      $fileName = [System.IO.Path]::GetFileName($uri.LocalPath)
+      Write-Debug "Url is local file, returning fileName"
+      return $fileName
+    }
+  } catch {
+    //continue on
+  }
+
   $request = [System.Net.HttpWebRequest]::Create($url)
   if ($request -eq $null) {
     Write-Debug "Request was null, using default name."