Modify Swagger UI on the fly

FRINXio · Feb 10, 2022 · 05bb1d7 · 05bb1d7
1 parent 4ecc7fa
commit 05bb1d7
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Showing 3 changed files with 40 additions and 54 deletions.
diff --git a/config/krakend/scripts/wp_azure_swagger.lua b/config/krakend/scripts/wp_azure_swagger.lua
@@ -0,0 +1,16 @@
+function swagger_auth_modal(r,jwt,scope,client_id)
+    local body = r:body()
+    if jwt == "true" then
+        -- change token request to id_token
+        body = body:gsub("response_type=token", "response_type=id_token");
+        -- -- -- disable client_id input box and use default
+        body = body:gsub("||A===x", "");
+        body = body:gsub('client_id="%+encodeURIComponent%(p%)', 'client_id=' .. client_id .. '"');
+        -- -- -- -- disable scopes selection and use default, add nonce query parameter
+        body = body:gsub('O=o.get%("allowedScopes"%)||o.get%("scopes"%),', "");
+        body = body:gsub('T%(%)%(c%)%?m%=c:F.a.List.isList%(c%)&&%(m=c.toArray%(%)%),m.length%>0', "true");
+        body = body:gsub('scope="%+encodeURIComponent%(m.join%(v%)%)', 'scope=' .. scope .. '&nonce=678910"');
+        r:headers('Content-Length', tostring(body:len()))
+    end
+    return body
+end
diff --git a/config/krakend/settings/workflow_proxy_docs_settings.json b/config/krakend/settings/workflow_proxy_docs_settings.json
@@ -18,13 +18,31 @@
         {
             "endpoint": "/api/uniflow/swagger-ui-bundle.js",
             "method": "GET",
-            "url_pattern": "/docs/swagger-ui-bundle.js"
+            "url_pattern": "/docs/swagger-ui-bundle.js",
+            "extra_config": {
+                "github.com/devopsfaith/krakend-lua/proxy": {
+                    "sources": ["scripts/wp_azure_swagger.lua"],
+                    "allow_open_libs": true,
+                    "post": "local r = response.load(); r:body(swagger_auth_modal(r, os.getenv('JWT_PRODUCTION'), 'openid', os.getenv('AZURE_KRAKEND_PLUGIN_CLIENT_ID')));",
+                    "live": true
+                }
+            }
+        },
+        {
+            "endpoint": "/api/uniflow/swagger-ui.css.map",
+            "method": "GET",
+            "url_pattern": "/docs/swagger-ui.css.map"
         },
         {
             "endpoint": "/api/uniflow/swagger-ui-standalone-preset.js",
             "method": "GET",
             "url_pattern": "/docs/swagger-ui-standalone-preset.js"
         },
+        {
+            "endpoint": "/api/uniflow/swagger-ui-standalone-preset.js.map",
+            "method": "GET",
+            "url_pattern": "/docs/swagger-ui-standalone-preset.js.map"
+        },
         {
             "endpoint": "/api/uniflow/swagger-ui-init.js",
             "method": "GET",

diff --git a/config/krakend/templates/workflow_proxy_docs.tmpl b/config/krakend/templates/workflow_proxy_docs.tmpl
@@ -12,7 +12,10 @@
         ],
     {{end}}
 
-
+    {{ if .extra_config }}
+        "extra_config": {{ marshal .extra_config }},
+    {{end}}
+
     "backend": [
     {
         "url_pattern": "{{ .url_pattern }}",
@@ -42,55 +45,4 @@
     }
 ]
 }
-{{end}},
-{
-    "endpoint": "/api/uniflow/docs/token",
-    "method": "POST",
-    "output_encoding": "no-op",
-    "headers_to_pass": ["*"],
-    "querystring_params":[  
-        "*"
-    ],
-    "backend": [
-        {
-            "url_pattern": "/{{ env "AZURE_TENANT_NAME"}}/oauth2/v2.0/token",
-            "encoding": "no-op",
-            "sd": "static",
-            "disable_host_sanitize": false,
-            "extra_config": {
-                "github.com/devopsfaith/krakend-martian": {
-                    "fifo.Group": {
-                        "scope": ["request", "response"],
-                        "aggregateErrors": true,
-                        "modifiers": [
-                            {
-                                "header.Modifier": {
-                                    "scope": ["request"],
-                                    "name": "Accept-Encoding",
-                                    "value": "identity"
-                                }
-                            },
-                            {
-                                "header.Modifier": {
-                                    "scope": ["request","response"],
-                                    "name": "Access-Control-Allow-Origin",
-                                    "value": "*"
-                                }
-                            },
-                            {
-                                "header.Modifier": {
-                                    "scope": ["request", "response"],
-                                    "name": "Access-Control-Allow-Headers",
-                                    "value": "X-Requested-With"
-                                }
-                            }
-                        ]
-                    }
-                }
-            },
-            "host": [
-                "{{ env "AZURE_LOGIN_URL"}}"
-            ]
-        }
-    ]
-}
+{{end}}