adds basic auth support

src/main/scala/com/wordnik/swagger/codegen/BasicGenerator.scala

@@ -16,6 +16,8 @@
 
 package com.wordnik.swagger.codegen
 
+import java.util.Base64
+
 import com.wordnik.swagger.codegen._
 import com.wordnik.swagger.codegen.util._
 import com.wordnik.swagger.codegen.language.CodegenConfig
@@ -187,18 +189,20 @@ abstract class BasicGenerator extends CodegenConfig with PathUtil {
   }
 
   def authenticate(apiKey: Option[String]): Option[ApiKeyValue] = {
-    Option(System.getProperty("header")) match {
+    val headerAuth = sys.props.get("header") map { e =>
-      case Some(e) => {
       // this is ugly and will be replaced with proper arg parsing like in ScalaAsyncClientGenerator soon
       val authInfo = e.split(":")
-        Some(ApiKeyValue(authInfo(0), "header", authInfo(1)))
+      ApiKeyValue(authInfo(0), "header", authInfo(1))
     }
-      case _ => {
+    val basicAuth = sys.props.get("auth.basic") map { e =>
-        apiKey.map{ key =>
+      val creds = if (e.contains(":")) Base64.getEncoder.encodeToString(e.getBytes) else e
-          Some(ApiKeyValue("api_key", "query", key))
+      ApiKeyValue("Authorization", "header", s"Basic $creds")
-        }.getOrElse(None)
     }
+    val apiKeyAuth = apiKey  map { key =>
+      ApiKeyValue("api_key", "query", key)
     }
+
+    headerAuth orElse basicAuth orElse apiKeyAuth
   }
 
   def extractApiOperations(apiListings: List[ApiListing], allModels: HashMap[String, Model] )(implicit basePath:String) = {

src/main/scala/com/wordnik/swagger/codegen/model/AuthorizationModels.scala

@@ -44,3 +44,4 @@ case class AuthorizationCodeGrant(
 
 trait AuthorizationValue
 case class ApiKeyValue(keyName: String, passAs: String, value: String) extends AuthorizationValue
+