Adding Security RegExes: ?<Security_AccessToken> and ?<Security_JWT>

RegEx/Security/AccessToken.regex.ps1

@@ -0,0 +1,39 @@
+<#
+.Synopsis
+    Matches Access Tokens
+.Description
+    Matches Access Tokens.
+
+    Access Tokens are single-line base64 strings that have more than -MinimumLength characters (default 40)
+#>
+param(
+# The Minimum Length of an Access Token.  By default, 40 characters
+[int]
+$MinimumLength = 40,
+
+
+# The Maximum Length of an Access Token.  By default, 1kb characters
+[int]
+$MaximumLength = 1kb,
+
+# If set, will look for a hexadecimal access token.
+# By default, will match Base64 access tokens
+[switch]
+$Hex,
+
+# If set, will allow the token to be a JSON Web Token.
+# These are similar to Base64 tokens, but may contain periods (and will tend to be longer)
+[Alias('JSONWebToken')]
+[switch]
+$JWT
+)
+
+if ($Hex) {
+    "(?<AccessToken>[0-9a-f]{$MinimumLength,$MaximumLength})"
+}
+elseif ($JWT) {
+    "(?<AccessToken>[0-9a-z/=\+\.]{$MinimumLength,$MaximumLength})"
+}
+else {
+    "(?<AccessToken>[0-9a-z/=\+]{$MinimumLength,$MaximumLength})"
+}

RegEx/Security/JWT.regex.source.ps1

@@ -0,0 +1,11 @@
+$myName = ($MyInvocation.MyCommand.ScriptBlock.File | Split-Path -Leaf) -replace '\.source', '' -replace '\.ps1', '.txt'
+$myRoot = $MyInvocation.MyCommand.ScriptBlock.File | Split-Path
+Write-RegEx -Description @'
+Matches a JSON Web Token (JWT)
+'@ | 
+    Write-RegEx -Pattern '[0-9a-z=/\+]+' -Name Header -Comment "A base 64 string containing the header" |
+    Write-RegEx -LiteralCharacter '.' -Comment "Followed by a period" |
+    Write-RegEx -Pattern '[0-9a-z=/\+]+' -Name Payload -Comment "A base 64 string containing the payload" |
+    Write-RegEx -LiteralCharacter '.' -Comment "Followed by a period" |
+    Write-RegEx -Pattern '[0-9a-z=/\+]+' -Name Signature -Comment "A base 64 string containing the signature" |
+    Set-Content -Path (Join-Path $myRoot $myName) -PassThru

RegEx/Security/JWT.regex.txt

@@ -0,0 +1,7 @@
+# Matches a JSON Web Token (JWT)
+(?<Header>[0-9a-z=/\+]+)    # A base 64 string containing the header
+\.                          # Followed by a period
+(?<Payload>[0-9a-z=/\+]+)   # A base 64 string containing the payload
+\.                          # Followed by a period
+(?<Signature>[0-9a-z=/\+]+) # A base 64 string containing the signature
+

RegEx/Security/README.md

@@ -0,0 +1 @@
+This directory contains Regular Expressions related to Security.