Merge pull request #16 from nodes-vapor/develop

Develop -> Master

Sources/String+Random.swift

@@ -0,0 +1,38 @@
+import Random
+
+extension String {
+
+
+    /// Random alpha numeric string
+    ///
+    /// Note this is not 
+    ///
+    /// - Parameter length: <#length description#>
+    /// - Returns: <#return value description#>
+    public static func randomAlphaNumericString(_ length: Int = 64) -> String {
+        let letters: String = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+        let len = letters.count
+
+        var randomString = ""
+        for _ in 0 ..< length {
+            let rand = Int.random(min: 0, max: Int(len - 1))
+
+            let char = letters.substring(from: rand, length: 1)
+
+            randomString += char
+        }
+
+        return randomString
+    }
+
+    /// Random string
+    ///
+    /// Note this string can use all chars, cannot be used for urls params fx
+    ///
+    /// - Parameter length: length Int
+    /// - Returns: String
+    /// - Throws: Error
+    public static func random(_ length: Int = 64) throws -> String {
+        return try CryptoRandom.bytes(count: length).string()
+    }
+}