Get vanilla query unreserved.

Author: BrettRToomey

Sources/Driver/Authentication/Authentication.swift

@@ -25,7 +25,7 @@ struct Authentication {
     var unitTestDate: Date?
 
     static let awsQueryAllowed = CharacterSet(
-        charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ="
+        charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~="
     )
 
     var amzDate: String {

Tests/AWSTests/SignatureTestSuite.swift

@@ -124,6 +124,28 @@ class SignatureTestSuite: XCTestCase {
         )
     }
 
+    func testGetVanillaQueryUnreserved() {
+        let expectedCanonicalRequest = "GET\n/\n-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\nhost:example.amazonaws.com\nx-amz-date:20150830T123600Z\n\nhost;x-amz-date\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+        
+        let expectedCredentialScope = "20150830/us-east-1/service/aws4_request"
+        
+        let expectedCanonicalHeaders: [HeaderKey : String] = [
+            "X-Amz-Date": "20150830T123600Z",
+            "Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/service/aws4_request, SignedHeaders=host;x-amz-date, Signature=9c3e54bfcdf0b19771a7f523ee5669cdf59bc7cc0884027167c21bb143a40197"
+        ]
+        
+        let result = sign(
+            method: .get,
+            path: "/",
+            requestParam:"-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+        )
+        result.expect(
+            canonicalRequest: expectedCanonicalRequest,
+            credentialScope: expectedCredentialScope,
+            canonicalHeaders: expectedCanonicalHeaders
+        )
+    }
+    
     func testPostVanilla() {
         let expectedCanonicalRequest = "POST\n/\n\nhost:example.amazonaws.com\nx-amz-date:20150830T123600Z\n\nhost;x-amz-date\ne3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"