refactor: mp.auth

proto/clientapi/credential/credential.proto

@@ -0,0 +1,39 @@
+syntax = "proto3";
+
+package esin.io.weixin;
+
+option go_package = "git.esin.io/weixin/protobuf/credential;credential";
+
+import "google/api/annotations.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/empty.proto";
+
+service CredentialService {
+    rpc GetCredential(google.protobuf.Empty) returns (GetCredentialResponse) {
+        option (google.api.http) = {
+            get: "/token"
+        };
+    }
+
+    rpc RenewCredential(google.protobuf.Empty) returns (RenewCredentialResponse) {
+        option (google.api.http) = {
+            post: "/token"
+            body: "*"
+        };
+    }
+}
+
+message Credential {
+    string access_token = 1;
+    int32 expires_in = 2;
+}
+
+message GetCredentialResponse {
+    Credential credential = 1;
+    google.protobuf.Timestamp timestamp = 2;
+}
+
+message RenewCredentialResponse {
+    Credential credential = 1;
+    google.protobuf.Timestamp timestamp = 2;
+}