{"id":207497,"date":"2025-07-08T10:01:32","date_gmt":"2025-07-08T02:01:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207497\/"},"modified":"2025-07-08T10:01:32","modified_gmt":"2025-07-08T02:01:32","slug":"grpc-%e6%8b%a6%e6%88%aa%e5%99%a8%e4%b8%ad%e7%9a%84%e8%a7%a3%e7%bb%84%e8%af%b7%e6%b1%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207497\/","title":{"rendered":"gRPC \u62e6\u622a\u5668\u4e2d\u7684\u89e3\u7ec4\u8bf7\u6c42"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>gRPC \u62e6\u622a\u5668\u4e2d\u7684\u89e3\u7ec4\u8bf7\u6c42<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-23 08:33:34<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300agRPC \u62e6\u622a\u5668\u4e2d\u7684\u89e3\u7ec4\u8bf7\u6c42\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u4e3a\u4e86\u6267\u884c\u6388\u6743\uff0c\u9700\u8981\u8bfb\u53d6\u8bf7\u6c42\u4e2d\u7684\u4e00\u4e9b\u5c5e\u6027\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4e3a\u6388\u6743\u670d\u52a1\u5668\u8fdb\u884c\u8f93\u5165<\/p>\n<p>\u4f8b\u5982\uff0c\u8fd9\u662f\u62e6\u622a\u5668\u3002\u8fd9\u91cc\u8c03\u7528<code>prepareauthzinput<\/code>\u6765\u51c6\u5907\u8f93\u5165<\/p>\n<pre>func authinterceptor(ctx context.context, req interface{}, info *grpc.unaryserverinfo, handler grpc.unaryhandler) (interface{}, error) {\n     input := prepareauthzinput(info.fullmethod, req)\n}\n<\/pre>\n<p>\u5728\u6b64\u51fd\u6570\u4e2d\uff0c\u6709\u4e00\u4e2a\u5f88\u5927\u7684 if-else \u90e8\u5206\uff0c\u5b83\u68c0\u67e5\u8bf7\u6c42\u7684\u5b9e\u9645\u7c7b\u578b\uff0c\u5bf9\u5176\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\uff0c\u7136\u540e\u6267\u884c\u8f93\u5165\u51c6\u5907\u3002<\/p>\n<pre>func prepareAuthZInput(method string, req interface{}) {\n   var input Input\n   if methodName = \"\/Data\/Call\" {\n       callRequest, ok := req.(CallRequest)\n       if ok {\n          \/\/ prepare input from callRequest\n       }\n   } else if methodName = \"\/Data\/Receive\" {\n       receiveRequest, ok := req.(ReceiveRequest)\n       if ok {\n          \/\/ prepare input from receiveRequest\n       }\n\n   }\n   return input\n}\n<\/pre>\n<p>\u5982\u4f55\u6539\u8fdb\u6b64\u4ee3\u7801\uff1f<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u5728\u6267\u884c\u6b64\u7c7b\u64cd\u4f5c\u65f6\uff0c\u901a\u5e38\u4f1a\u5c06\u8eab\u4efd\u9a8c\u8bc1\u6570\u636e\u6dfb\u52a0\u5230 \u800c\u4e0d\u662f\u8bf7\u6c42\u6d88\u606f\u3002\u8fd9\u6837\u670d\u52a1\u5668\u5c31\u4e0d\u9700\u8981\u68c0\u67e5\u6240\u6709\u53ef\u80fd\u7684\u8bf7\u6c42\u8d1f\u8f7d\u7c7b\u578b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5fc5\u987b\u4f7f\u7528\u8bf7\u6c42\u6709\u6548\u8d1f\u8f7d\uff0c\u90a3\u4e48\u4f7f\u7528\u7c7b\u578b\u5f00\u5173\u4f1a\u66f4\u60ef\u7528\uff1a<\/p>\n<pre>switch r := req.(type) {\n  case CallRequest: \/\/ r is a CallRequest...\n  case ReceiveRequest: \/\/ r is a ReceiveRequest...\n  default:\n    return status.Errorf(codes.Unimplemented, \"unknown request type: %T\", req)\n}\n<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300agRPC \u62e6\u622a\u5668\u4e2d\u7684\u89e3\u7ec4\u8bf7\u6c42\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207497","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207497"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207497\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}