feat: support bearer authentication (#21110)

Author: efcasado

docs/generators/elixir.md

@@ -188,7 +188,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |BasicAuth|✓|OAS2,OAS3
 |ApiKey|✗|OAS2,OAS3
 |OpenIDConnect|✗|OAS3
-|BearerToken|✗|OAS3
+|BearerToken|✓|OAS3
 |OAuth2_Implicit|✓|OAS2,OAS3
 |OAuth2_Password|✗|OAS2,OAS3
 |OAuth2_ClientCredentials|✗|OAS2,OAS3

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ElixirClientCodegen.java

@@ -71,7 +71,8 @@ public ElixirClientCodegen() {
                 .includeDocumentationFeatures(DocumentationFeature.Readme)
                 .securityFeatures(EnumSet.of(
                         SecurityFeature.OAuth2_Implicit,
-                        SecurityFeature.BasicAuth))
+                        SecurityFeature.BasicAuth,
+                        SecurityFeature.BearerToken))
                 .excludeGlobalFeatures(
                         GlobalFeature.XMLStructureDefinitions,
                         GlobalFeature.Callbacks,

modules/openapi-generator/src/main/resources/elixir/connection.ex.mustache

@@ -52,6 +52,9 @@ defmodule {{moduleName}}.Connection do
   - `username`: A username for basic authentication.
   - `password`: A password for basic authentication.
   {{/hasHttpBasicMethods}}
+  {{#hasHttpBearerMethods}}
+  - `bearer_token`: A bearer token for bearer authentication.
+  {{/hasHttpBearerMethods}}
   """
   @type options :: [
           {:base_url, String.t()},
@@ -64,6 +67,9 @@ defmodule {{moduleName}}.Connection do
           {:username, String.t() | nil},
           {:password, String.t() | nil},
   {{/hasHttpBasicMethods}}
+  {{#hasHttpBearerMethods}}
+          {:bearer_token, String.t() | nil},
+  {{/hasHttpBearerMethods}}
         ]
 
   @doc "Forward requests to Tesla."
@@ -240,6 +246,11 @@ defmodule {{moduleName}}.Connection do
       end
     {{/hasHttpBasicMethods}}
 
+    {{#hasHttpBearerMethods}}
+    bearer_token = Keyword.get(options, :bearer_token)
+    middleware = [{Tesla.Middleware.BearerAuth, token: bearer_token} | middleware]
+    {{/hasHttpBearerMethods}}
+
     {{#hasOAuthMethods}}
     middleware =
       if token = Keyword.get(options, :token) do

samples/client/petstore/elixir/lib/openapi_petstore/connection.ex

@@ -46,6 +46,7 @@ defmodule OpenapiPetstore.Connection do
     fetcher function.
   - `username`: A username for basic authentication.
   - `password`: A password for basic authentication.
+  - `bearer_token`: A bearer token for bearer authentication.
   """
   @type options :: [
           {:base_url, String.t()},
@@ -54,6 +55,7 @@ defmodule OpenapiPetstore.Connection do
           {:token_scopes, list(String.t())},
           {:username, String.t() | nil},
           {:password, String.t() | nil},
+          {:bearer_token, String.t() | nil},
         ]
 
   @doc "Forward requests to Tesla."
@@ -175,6 +177,9 @@ defmodule OpenapiPetstore.Connection do
         middleware
       end
 
+    bearer_token = Keyword.get(options, :bearer_token)
+    middleware = [{Tesla.Middleware.BearerAuth, token: bearer_token} | middleware]
+
     middleware =
       if token = Keyword.get(options, :token) do
         scopes = Keyword.get(options, :token_scopes, @default_scopes)