add tests

apisix/plugins/openid-connect.lua

@@ -394,6 +394,7 @@ local function introspect(ctx, conf)
             if discovery_err then
                 core.log.warn("OIDC access discovery url failed : ", discovery_err)
             else
+                core.log.info("valid_issuers not provided, using issuer from discovery doc: ", discovery.issuer)
                 valid_issuers = {discovery.issuer}
             end
         end

t/plugin/openid-connect7.t

@@ -322,3 +322,105 @@ true
 qr/token validate successfully by \w+/
 --- grep_error_log_out
 token validate successfully by jwks
+
+
+
+=== TEST 7: Update plugin with ID provider jwks endpoint for token verification with valid issuer in discovery endpoint.
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1',
+                 ngx.HTTP_PUT,
+                 [[{
+                        "plugins": {
+                            "openid-connect": {
+                                "client_id": "dummy",
+                                "client_secret": "dummy",
+                                "discovery": "http://127.0.0.1:8089/realms/University/.well-known/openid-configuration",
+                                "redirect_uri": "http://localhost:3000",
+                                "ssl_verify": false,
+                                "timeout": 10,
+                                "bearer_only": true,
+                                "use_jwks": true,
+                                "realm": "University"
+                            }
+                        },
+                        "upstream": {
+                            "nodes": {
+                                "127.0.0.1:1980": 1
+                            },
+                            "type": "roundrobin"
+                        },
+                        "uri": "/hello"
+                }]]
+                )
+
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- response_body
+passed
+
+
+
+=== TEST 8: Obtain valid token and access route with it. Use valid_issuer from discovery endpoint.
+--- http_config
+    server {
+        listen 8089;
+
+        location /realms/University/.well-known/openid-configuration {
+            content_by_lua_block {
+                ngx.say([[
+{
+  "issuer": "http://127.0.0.1:8089/realms/University",
+  "jwks_uri": "http://127.0.0.1:8089/realms/University/protocol/openid-connect/certs",
+  "response_types_supported": ["id_token"],
+  "subject_types_supported": ["public"],
+  "id_token_signing_alg_values_supported": ["RS256"]
+}]])
+            }
+        }
+    }
+--- config
+    location /t {
+        content_by_lua_block {
+            -- Obtain valid access token from Keycloak using known username and password.
+            local json_decode = require("toolkit.json").decode
+            local http = require "resty.http"
+            local httpc = http.new()
+            local uri = "http://127.0.0.1:8080/realms/University/protocol/openid-connect/token"
+            local res, err = httpc:request_uri(uri, {
+                    method = "POST",
+                    body = "grant_type=password&client_id=course_management&client_secret=d1ec69e9-55d2-4109-a3ea-befa071579d5&[email protected]&password=123456",
+                    headers = {
+                        ["Content-Type"] = "application/x-www-form-urlencoded"
+                    }
+                })
+
+            -- Check response from keycloak and fail quickly if there's no response.
+            if not res then
+                ngx.say(err)
+                return
+            end
+
+
+            -- Get access token from JSON response body.
+            local body = json_decode(res.body)
+            local accessToken = body["access_token"]
+
+            -- Access route using access token. Should work.
+            uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
+            local res, err = httpc:request_uri(uri, {
+                method = "GET",
+                headers = {
+                    ["Authorization"] = "Bearer " .. body["access_token"]
+                }
+                })
+        }
+    }
+--- error_log
+valid_issuers not provided, using issuer from discovery doc: http://127.0.0.1:8089/realms/University