feat: preauthorization (#4339)

* feat: swagger 2.0 preauthorization methods
* tests: add cases for oas3 preauthorization
* docs: add new preauth docs; touch up existing auth docs
* tests: add `rootInject` tests
* docs: remove unfinished sentence

src/core/plugins/auth/index.js

@@ -8,6 +8,8 @@ export default function() {
     afterLoad(system) {
       this.rootInjects = this.rootInjects || {}
       this.rootInjects.initOAuth = system.authActions.configureAuth
+      this.rootInjects.preauthorizeApiKey = preauthorizeApiKey.bind(null, system)
+      this.rootInjects.preauthorizeBasic = preauthorizeBasic.bind(null, system)
     },
     statePlugins: {
       auth: {
@@ -21,3 +23,50 @@ export default function() {
     }
   }
 }
+
+export function preauthorizeBasic(system, key, username, password) {
+  const {
+    authActions: { authorize },
+    specSelectors: { specJson, isOAS3 }
+  } = system
+
+  const definitionBase = isOAS3() ? ["components", "securitySchemes"] : ["securityDefinitions"]
+
+  const schema = specJson().getIn([...definitionBase, key])
+
+  if(!schema) {
+    return null
+  }
+
+  return authorize({
+    [key]: {
+      value: {
+        username,
+        password,
+      },
+      schema: schema.toJS()
+    }
+  })
+}
+
+export function preauthorizeApiKey(system, key, value) {
+  const {
+    authActions: { authorize },
+    specSelectors: { specJson, isOAS3 }
+  } = system
+
+  const definitionBase = isOAS3() ? ["components", "securitySchemes"] : ["securityDefinitions"]
+
+  const schema = specJson().getIn([...definitionBase, key])
+
+  if(!schema) {
+    return null
+  }
+
+  return authorize({
+    [key]: {
+      value,
+      schema: schema.toJS()
+    }
+  })
+}