Refactor key loading to support PEM + fix issue #62

spec/fixtures/files/secret.pem

@@ -0,0 +1,19 @@
+Bag Attributes
+    friendlyName: privatekey
+    localKeyID: 54 69 6D 65 20 31 33 35 31 38 38 38 31 37 38 36 39 36 
+Key Attributes: <No Attributes>
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

spec/google/api_client/service_account_spec.rb

@@ -16,6 +16,37 @@ require 'spec_helper'
 
 require 'google/api_client'
 
+fixtures_path = File.expand_path('../../../fixtures', __FILE__)
+
+describe Google::APIClient::KeyUtils do  
+  it 'should read PKCS12 files from the filesystem' do
+    path =  File.expand_path('files/privatekey.p12', fixtures_path)
+    key = Google::APIClient::KeyUtils.load_from_pkcs12(path, 'notasecret')
+    key.should_not == nil
+  end
+
+  it 'should read PKCS12 files from loaded files' do
+    path =  File.expand_path('files/privatekey.p12', fixtures_path)
+    content = File.read(path)
+    key = Google::APIClient::KeyUtils.load_from_pkcs12(content, 'notasecret')
+    key.should_not == nil
+  end
+
+  it 'should read PEM files from the filesystem' do
+    path =  File.expand_path('files/secret.pem', fixtures_path)
+    key = Google::APIClient::KeyUtils.load_from_pem(path, 'notasecret')
+    key.should_not == nil
+  end
+
+  it 'should read PEM files from loaded files' do
+    path =  File.expand_path('files/secret.pem', fixtures_path)
+    content = File.read(path)
+    key = Google::APIClient::KeyUtils.load_from_pem(content, 'notasecret')
+    key.should_not == nil
+  end
+
+end
+
 describe Google::APIClient::JWTAsserter do
   include ConnectionHelpers