{"id":47758,"date":"2023-08-14T02:27:15","date_gmt":"2022-12-01T03:57:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%93%aa%e9%87%8c%e8%bf%9b%e8%a1%8cgraphql%e7%9a%84%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e3%80%82\/"},"modified":"2024-04-30T18:26:15","modified_gmt":"2024-04-30T10:26:15","slug":"%e5%9c%a8%e5%93%aa%e9%87%8c%e8%bf%9b%e8%a1%8cgraphql%e7%9a%84%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%93%aa%e9%87%8c%e8%bf%9b%e8%a1%8cgraphql%e7%9a%84%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e3%80%82\/","title":{"rendered":"\u5728\u54ea\u91cc\u8fdb\u884cGraphQL\u7684\u8eab\u4efd\u9a8c\u8bc1"},"content":{"rendered":"<p>\u5728\u5b9e\u73b0 GraphQL API \u65f6\uff0c\u5982\u4f55\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u5185\u90e8\u3067\u8a8d\u8a3c\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u306e\u5916\u3067\u8a8d\u8a3c\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8a8d\u8a3c\u3068\u30b9\u30ad\u30fc\u30de<\/ul>\n<p>\u8bf7\u53c2\u8003:<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">A guide to authentication in GraphQL \u2013 Apollo GraphQL<\/ul>\n<\/li>\n<\/ul>\n<p>Learn Sangria\u306eAuthentication and Authorisation\u30bb\u30af\u30b7\u30e7\u30f3<\/p>\n<p>\u8003\u8651\u4f7f\u7528Scala\u548cSangria\u6765\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n<h2>\u4e2a\u4eba\u7684\u7ed3\u8bba<\/h2>\n<p>\u5728\u6267\u884cGraphQL\u4e4b\u524d\u8fdb\u884c\u8ba4\u8bc1\u3002<\/p>\n<p>\u5177\u4f53\u4f8b\u6765\u8bf4\uff0c\u5ba2\u6237\u7aef\u5728\u9700\u8981\u8fdb\u884c\u8ba4\u8bc1\u7684\u64cd\u4f5c\u65f6\uff0c\u4f1a\u5c06\u7c7b\u4f3c\u4e8e\u8ba4\u8bc1\u4ee4\u724c\u7684\u4e1c\u897f\u653e\u5165HTTP Header\u4e2d\u5e76\u53d1\u9001\u3002\u670d\u52a1\u5668\u7aef\u5728\u8fdb\u5165GraphQL\u4e16\u754c\u4e4b\u524d\uff0c\u4f1a\u4eceHTTP Header\u4e2d\u63d0\u53d6\u51fa\u4ee4\u724c\u8fdb\u884c\u8ba4\u8bc1\uff0c\u786e\u5b9a\u767b\u5f55\u4e2d\u7684\u8d26\u6237\u5e76\u5c06\u5176\u653e\u5165Ctx\u7684\u5c5e\u6027\u4e2d\uff0c\u7136\u540e\u4f20\u9012\u5230GraphQL\u4e16\u754c\u4e2d\u3002<\/p>\n<p>\u5982\u679c\u6a21\u5f0f\u9700\u8981\u8d26\u6237\u672c\u8eab\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4eceviewer\u6307\u4ee4\u4e2d\u8bbf\u95ee\u3002<br \/>\n\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u5219\u653e\u7f6e\u5728\u6839\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\u6211\u4eec\u4e0d\u8ba8\u8bba\u8ba4\u53ef\uff0c\u9700\u8981\u4ee5\u4e0d\u540c\u7684\u89d2\u5ea6\u8003\u8651\u3002<\/p>\n<h2>\u5728GraphQL\u5185\u90e8\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1<\/h2>\n<p>\u8fdb\u5165GraphQL\u4e16\u754c\u540e\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684\u6a21\u5f0f\u3002\u7531\u4e8e\u65e0\u6cd5\u5728\u6bcf\u6b21\u89e3\u6790\u65f6\u90fd\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u56e0\u6b64\u9700\u8981\u5904\u7406\u4ee5\u786e\u4fdd\u5168\u5c40\u4ec5\u8fdb\u884c\u4e00\u6b21\u9a8c\u8bc1\u3002<\/p>\n<p>\u5728Scala\u7684GraphQL\u6846\u67b6sangria\u4e2d\uff0c\u5b58\u5728\u4e00\u4e2a\u540d\u4e3aUpdateCtx\u7684API\uff0c\u5b83\u5141\u8bb8\u6839\u636e\u8ba4\u8bc1\u7ed3\u679c\u6765\u66f4\u65b0Ctx\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u540e\u7eed\u5904\u7406\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5c06\u8ba4\u8bc1\u8fc7\u7a0b\u9650\u5236\u5728\u4e00\u6b21\u64cd\u4f5c\u4e2d\u3002<\/p>\n<p>\u4f7f\u7528 UpdateCtx \u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684\u5b9e\u73b0\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ DB\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">UserDao<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">findByToken<\/span><span class=\"o\">(<\/span><span class=\"n\">token<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Token<\/span><span class=\"o\">)<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">User<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"o\">???<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ Ctx\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b<\/span>\r\n<span class=\"k\">case<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">GraphQLContext<\/span><span class=\"o\">(<\/span><span class=\"n\">userOpt<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">User<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"nc\">None<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"k\">val<\/span> <span class=\"nv\">userDao<\/span> <span class=\"k\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">UserDao<\/span><span class=\"o\">()<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">loggedIn<\/span><span class=\"o\">(<\/span><span class=\"n\">user<\/span><span class=\"k\">:<\/span> <span class=\"kt\">User<\/span><span class=\"o\">)<\/span><span class=\"k\">:<\/span> <span class=\"kt\">GraphQLContext<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">copy<\/span><span class=\"o\">(<\/span><span class=\"n\">userOpt<\/span> <span class=\"k\">=<\/span> <span class=\"nc\">Some<\/span><span class=\"o\">(<\/span><span class=\"n\">user<\/span><span class=\"o\">))<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"k\">val<\/span> <span class=\"nv\">tokenArg<\/span> <span class=\"k\">=<\/span> <span class=\"nc\">Argument<\/span><span class=\"o\">(<\/span><span class=\"s\">\"token\"<\/span><span class=\"o\">,<\/span> <span class=\"nc\">StringType<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"token of logged in user\"<\/span><span class=\"o\">)<\/span>\r\n\r\n<span class=\"nc\">ObjectType<\/span><span class=\"o\">(<\/span>\r\n  <span class=\"s\">\"Mutation\"<\/span><span class=\"o\">,<\/span>\r\n  <span class=\"n\">fields<\/span><span class=\"o\">[<\/span><span class=\"kt\">Ctx<\/span>, <span class=\"kt\">Unit<\/span><span class=\"o\">](<\/span>\r\n    <span class=\"nc\">Field<\/span><span class=\"o\">(<\/span>\r\n      <span class=\"s\">\"authenticate\"<\/span><span class=\"o\">,<\/span>\r\n      <span class=\"nc\">OptionType<\/span><span class=\"o\">(<\/span><span class=\"n\">userType<\/span><span class=\"o\">),<\/span>\r\n      <span class=\"n\">arguments<\/span> <span class=\"k\">=<\/span> <span class=\"n\">tokenArg<\/span> <span class=\"o\">::<\/span> <span class=\"nc\">Nil<\/span><span class=\"o\">,<\/span>\r\n      <span class=\"n\">resolve<\/span> <span class=\"k\">=<\/span> <span class=\"o\">{<\/span> <span class=\"n\">ctx<\/span> <span class=\"k\">=&gt;<\/span>\r\n        <span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">withArgs<\/span><span class=\"o\">(<\/span><span class=\"n\">tokenArg<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span> <span class=\"n\">token<\/span> <span class=\"k\">=&gt;<\/span>\r\n          <span class=\"c1\">\/\/ \u8a8d\u8a3c\u3092\u5b9f\u884c<\/span>\r\n          <span class=\"nc\">UpdateCtx<\/span><span class=\"o\">(<\/span><span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">userDao<\/span><span class=\"o\">.<\/span><span class=\"py\">findByToken<\/span><span class=\"o\">(<\/span><span class=\"nc\">Token<\/span><span class=\"o\">(<\/span><span class=\"n\">token<\/span><span class=\"o\">)))<\/span> <span class=\"o\">{<\/span> <span class=\"n\">userOpt<\/span> <span class=\"k\">=&gt;<\/span>\r\n            <span class=\"nv\">userOpt<\/span><span class=\"o\">.<\/span><span class=\"py\">fold<\/span><span class=\"o\">(<\/span><span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">ctx<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span> <span class=\"n\">user<\/span> <span class=\"k\">=&gt;<\/span>\r\n              <span class=\"c1\">\/\/ \u6210\u529f\u3057\u3066\u3044\u305f\u3089Ctx\u3092\u66f4\u65b0\u3059\u308b<\/span>\r\n              <span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">loggedIn<\/span><span class=\"o\">(<\/span><span class=\"n\">user<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">}<\/span>\r\n          <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span>\r\n      <span class=\"o\">}<\/span>\r\n    <span class=\"o\">),<\/span>\r\n    <span class=\"o\">???<\/span> <span class=\"c1\">\/\/ \u4ed6\u306eMutation<\/span>\r\n  <span class=\"o\">)<\/span>\r\n<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u8fd9\u4e2a\u7684GraphQL\u67e5\u8be2\u53ef\u4ee5\u5199\u6210\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<pre class=\"post-pre\"><code>mutation {\r\n  authenticate(token: \"your-token\") {\r\n    id\r\n  }\r\n\r\n  \/\/ \u8a8d\u8a3c\u5f8c\u306e\u64cd\u4f5c\r\n  ...\r\n}\r\n<\/code><\/pre>\n<p>\u5173\u4e8eUpdateCtx\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u6211\u4e4b\u524d\u5728Qiita\u4e0a\u5199\u8fc7\u6587\u7ae0\u3002<br \/>\nhttps:\/\/qiita.com\/petitviolet\/items\/1fb6a8e52f02f4309f5b<\/p>\n<p>\u867d\u7136UpdateCtx\u662f\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u673a\u5236\uff0c\u4f46<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067Query\u3092\u8a18\u8ff0\u3059\u308b\u9806\u756a\u306b\u6c17\u3092\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>UpdateCtx\u304c\u5b9f\u884c\u3055\u308c\u308b\u30d1\u30b9\u3092\u4e0a\u306b\u6301\u3063\u3066\u3053\u306a\u3044\u3068\u5f8c\u7d9a\u306b\u8a8d\u8a3c\u7d50\u679c\u304c\u5f15\u304d\u7d99\u304c\u308c\u306a\u3044<\/p>\n<p>Mutation\u306e\u307f\u3067\u3001Query\u3067\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044<\/p>\n<p>Query\u306fparallel\u306b\u5b9f\u884c\u3055\u308c\u3001Mutation\u306fserial\u306a\u305f\u3081<\/p>\n<p>Mutation\u3067\u3082\u30cd\u30b9\u30c8\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u306f\u52b9\u679c\u304c\u306a\u3044<\/p>\n<p>\u3053\u308c\u306fUpdateCtx\u306e\u5b9f\u88c5\u306e\u554f\u984c\u304b\u3082?<\/p>\n<p>\u6709\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u7531\u4e8e\u8ba4\u8bc1\u901a\u5e38\u9700\u8981\u5728Query\u548cMutation\u4e2d\u5171\u540c\u6267\u884c\u7684\u60c5\u51b5\u6bd4\u8f83\u591a\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u5f97\u4e0d\u5728\u6bcf\u4e2aQuery\/Mutation\u4e2d\u4f20\u9012\u8ba4\u8bc1\u4ee4\u724c\uff0c\u5e76\u8fdb\u884c\u8ba4\u8bc1\u9a8c\u8bc1\u7684\u5b9e\u73b0\u3002<\/p>\n<h2>\u5728GraphQL\u4e4b\u5916\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1<\/h2>\n<p>\u5728\u8fdb\u5165GraphQL\u4e16\u754c\u4e4b\u524d\uff0c\u4e5f\u5c31\u662f\u5728\u79bb\u5f00GraphQL\u4e4b\u5916\uff0c\u8fdb\u884c\u8ba4\u8bc1\u8fc7\u7a0b\uff0c\u5e76\u4ee5\u6b64\u7ed3\u679c\u8fdb\u5165GraphQL\u4e16\u754c\u3002<br \/>\n\u603b\u4e4b\uff0c\u5728\u521b\u5efaCtx\u65f6\u8fdb\u884c\u8ba4\u8bc1\u7684\u60f3\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Ctx\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">GraphQLContext<\/span> <span class=\"nf\">private<\/span> <span class=\"o\">(<\/span><span class=\"k\">val<\/span> <span class=\"nv\">userOpt<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">User<\/span><span class=\"o\">]<\/span> <span class=\"k\">=<\/span> <span class=\"nc\">None<\/span><span class=\"o\">)<\/span> \r\n\r\n<span class=\"k\">object<\/span> <span class=\"nc\">GraphQLContext<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"c1\">\/\/ Header\u304b\u3089\u53d6\u5f97\u3057\u305ftoken\u3092\u4f7f\u3063\u305f\u30d5\u30a1\u30af\u30c8\u30ea<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">create<\/span><span class=\"o\">(<\/span><span class=\"n\">tokenOpt<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Option<\/span><span class=\"o\">[<\/span><span class=\"kt\">String<\/span><span class=\"o\">])<\/span><span class=\"k\">:<\/span> <span class=\"kt\">GraphQLContext<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nv\">tokenOpt<\/span><span class=\"o\">.<\/span><span class=\"py\">fold<\/span><span class=\"o\">(<\/span><span class=\"nf\">apply<\/span><span class=\"o\">())<\/span> <span class=\"o\">{<\/span> <span class=\"n\">token<\/span> <span class=\"k\">=&gt;<\/span>\r\n      <span class=\"c1\">\/\/ \u8a8d\u8a3c<\/span>\r\n      <span class=\"k\">new<\/span> <span class=\"nc\">GraphQLContext<\/span><span class=\"o\">(<\/span><span class=\"nv\">UserDao<\/span><span class=\"o\">.<\/span><span class=\"py\">findByToken<\/span><span class=\"o\">(<\/span><span class=\"nc\">Token<\/span><span class=\"o\">(<\/span><span class=\"n\">token<\/span><span class=\"o\">)))<\/span>\r\n    <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5c06\u5176\u4e0eAkka-HTTP\u7ed3\u5408\u4f7f\u7528\uff0c\u5219\u5b9e\u73b0\u4f1a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">def<\/span> <span class=\"nf\">route<\/span> <span class=\"k\">=<\/span> <span class=\"o\">(<\/span><span class=\"n\">post<\/span> <span class=\"o\">&amp;<\/span> <span class=\"nf\">path<\/span><span class=\"o\">(<\/span><span class=\"s\">\"graphql\"<\/span><span class=\"o\">))<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nf\">entity<\/span><span class=\"o\">(<\/span><span class=\"n\">as<\/span><span class=\"o\">[<\/span><span class=\"kt\">JsValue<\/span><span class=\"o\">])<\/span> <span class=\"o\">{<\/span> <span class=\"nc\">JsObject<\/span><span class=\"o\">(<\/span><span class=\"n\">fields<\/span><span class=\"o\">)<\/span> <span class=\"k\">=&gt;<\/span>\r\n    <span class=\"nf\">optionalHeaderValueByName<\/span><span class=\"o\">(<\/span><span class=\"s\">\"x-token\"<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span> <span class=\"n\">tokenOpt<\/span> <span class=\"k\">=&gt;<\/span>\r\n      <span class=\"c1\">\/\/ Header\u304b\u3089Token\u3092\u53d6\u308a\u51fa\u3057\u3066GraphQLContext\u3092\u4f5c\u6210\u3059\u308b\u3068\u540c\u6642\u306b\u8a8d\u8a3c\u3059\u308b<\/span>\r\n      <span class=\"k\">val<\/span> <span class=\"nv\">ctx<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">GraphQLContext<\/span><span class=\"o\">.<\/span><span class=\"py\">create<\/span><span class=\"o\">(<\/span><span class=\"n\">tokenOpt<\/span><span class=\"o\">)<\/span>\r\n\r\n      <span class=\"c1\">\/\/ \u307b\u307c\u5b9a\u578b\u6587<\/span>\r\n      <span class=\"k\">val<\/span> <span class=\"nv\">operation<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">fields<\/span><span class=\"o\">.<\/span><span class=\"py\">get<\/span><span class=\"o\">(<\/span><span class=\"s\">\"operationName\"<\/span><span class=\"o\">)<\/span> <span class=\"n\">collect<\/span> <span class=\"o\">{<\/span> <span class=\"k\">case<\/span> <span class=\"nc\">JsString<\/span><span class=\"o\">(<\/span><span class=\"n\">op<\/span><span class=\"o\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"n\">op<\/span> <span class=\"o\">}<\/span>       \r\n      <span class=\"k\">val<\/span> <span class=\"nv\">vars<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">fields<\/span><span class=\"o\">.<\/span><span class=\"py\">get<\/span><span class=\"o\">(<\/span><span class=\"s\">\"variables\"<\/span><span class=\"o\">)<\/span> <span class=\"k\">match<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"nc\">Some<\/span><span class=\"o\">(<\/span><span class=\"n\">obj<\/span><span class=\"k\">:<\/span> <span class=\"kt\">JsObject<\/span><span class=\"o\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"n\">obj<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"k\">_<\/span>                   <span class=\"k\">=&gt;<\/span> <span class=\"nv\">JsObject<\/span><span class=\"o\">.<\/span><span class=\"py\">empty<\/span>\r\n      <span class=\"o\">}<\/span>       \r\n      <span class=\"k\">val<\/span> <span class=\"nv\">Some<\/span><span class=\"o\">(<\/span><span class=\"nc\">JsString<\/span><span class=\"o\">(<\/span><span class=\"n\">document<\/span><span class=\"o\">))<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">fields<\/span><span class=\"o\">.<\/span><span class=\"py\">get<\/span><span class=\"o\">(<\/span><span class=\"s\">\"query\"<\/span><span class=\"o\">)<\/span>\r\n\r\n      <span class=\"c1\">\/\/ GraphQL\u306e\u30af\u30a8\u30ea\u3092\u5b9f\u884c<\/span>\r\n      <span class=\"k\">val<\/span> <span class=\"nv\">res<\/span> <span class=\"k\">=<\/span> \r\n        <span class=\"nv\">Executor<\/span><span class=\"o\">.<\/span><span class=\"py\">execute<\/span><span class=\"o\">(<\/span><span class=\"n\">schema<\/span><span class=\"o\">,<\/span> <span class=\"n\">document<\/span><span class=\"o\">,<\/span> <span class=\"n\">ctx<\/span><span class=\"o\">,<\/span> <span class=\"n\">variables<\/span> <span class=\"k\">=<\/span> <span class=\"n\">vars<\/span><span class=\"o\">,<\/span> <span class=\"n\">operationName<\/span> <span class=\"k\">=<\/span> <span class=\"n\">operation<\/span><span class=\"o\">)<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">map<\/span> <span class=\"o\">{<\/span> <span class=\"nc\">OK<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"k\">_<\/span> <span class=\"o\">}<\/span>\r\n          <span class=\"o\">.<\/span><span class=\"py\">recover<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">case<\/span> <span class=\"n\">err<\/span><span class=\"k\">:<\/span> <span class=\"kt\">QueryAnalysisError<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nc\">BadRequest<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nv\">err<\/span><span class=\"o\">.<\/span><span class=\"py\">resolveError<\/span>\r\n            <span class=\"k\">case<\/span> <span class=\"n\">err<\/span><span class=\"k\">:<\/span> <span class=\"kt\">ErrorWithResolver<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nc\">InternalServerError<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nv\">err<\/span><span class=\"o\">.<\/span><span class=\"py\">resolveError<\/span>\r\n          <span class=\"o\">}<\/span>\r\n      <span class=\"nf\">complete<\/span><span class=\"o\">(<\/span><span class=\"n\">res<\/span><span class=\"o\">)<\/span>\r\n      <span class=\"o\">}<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u5c06GraphQLContext.create\u521b\u5efa\u7684\u5bf9\u8c61\u547d\u540d\u4e3aCtx\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3asangria.execution.Executor.execute\u7684\u53c2\u6570\u4f20\u9012\u5373\u53ef\u3002\u8fd9\u5c06\u4f7fGraphQL\u67e5\u8be2\u4e2d\u4e0d\u51fa\u73b0\u5bf9\u5e94\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u4ee4\u724c\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u4f7f\u7528GraphQL\u53ef\u4ee5\u5c06\u8ba4\u8bc1\u8fc7\u7a0b\u4e0e\u6570\u636e\u5206\u79bb\uff0c\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u4f18\u70b9\u3002<br \/>\n\u4ee5\u4e0b\u662f\u5b83\u7684\u7f3a\u70b9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Http Header\u306b\u8a8d\u8a3c\u30c8\u30fc\u30af\u30f3\u3092\u4e0e\u3048\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067GraphiQL\u3092\u305d\u306e\u307e\u307e\u3067\u306f\u4f7f\u3048\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u30ec\u30a4\u30e4\u3088\u308a\u624b\u524d\u3067\u8a8d\u8a3c\u51e6\u7406\u3092\u884c\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3001\u30ec\u30a4\u30e4\u30fc\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u76f8\u6027\u304c\u60aa\u3044\u304b\u3082<\/ul>\n<\/li>\n<\/ul>\n<p>GraphQL\u306f\u30a2\u30c0\u30d7\u30bf\u5c64\/\u30d7\u30ec\u30bc\u30f3\u30bf\u30fc\u5c64\u3001\u8a8d\u8a3c\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\/\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5c64\u306a\u306e\u3067\u9006\u8ee2\u3057\u3066\u3057\u307e\u3046\u306f\u305a<br \/>\n\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u8a08\u306b\u3088\u3063\u3066\u3053\u3053\u306f\u5909\u308f\u308b\u304b\u3082\u77e5\u308c\u306a\u3044<\/p>\n<h3>\u4e0d\u786e\u5b9a\u611f<\/h3>\n<p>\u88ab\u8feb\u5728\u5e94\u7528\u7a0b\u5e8f\u67b6\u6784\u7684\u6700\u5916\u5c42\u8fdb\u884c\u8ba4\u8bc1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60f3\u8981\u5728Clean Architecture\u7684\u7528\u4f8b\u5c42\u6267\u884c\u8ba4\u8bc1\uff0c\u5219\u4e0d\u5f97\u4e0d\u901a\u8fc7\u5f15\u5165GraphQL\u6765\u5728\u9002\u914d\u5668\u5c42\u6267\u884c\u8ba4\u8bc1\uff0c\u8fd9\u5c06\u5bfc\u81f4\u4e0e\u67b6\u6784\u4e0d\u4e00\u81f4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u9009\u62e9\u5ffd\u7565\u6b64\u95ee\u9898\u6216\u8005\u4ec5\u83b7\u53d6\u4e0e\u8ba4\u8bc1\u4ee4\u724c\u5173\u8054\u7684\u8d26\u6237ID\uff0c\u7136\u540e\u5c06\u5176\u4f5c\u4e3aDTO\u586b\u5145\u5230GraphQL\u7684\u4e0a\u4e0b\u6587\uff08Ctx\uff09\u4e2d\uff0c\u5e76\u4e14\u5728\u7528\u4f8b\u5c42\u4e2d\u518d\u6b21\u83b7\u53d6\u8d26\u6237\u5bf9\u8c61\u4ee5\u83b7\u53d6\u4e00\u81f4\u6027\uff0c\u4f46\u8fd9\u663e\u7136\u662f\u4e00\u79cd\u5197\u4f59\u7684\u5904\u7406\uff0c\u56e0\u6b64\u9700\u8981\u5728\u4ee3\u7801\u7684\u6e05\u6670\u5ea6\u548c\u6027\u80fd\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u3002<\/p>\n<h2>\u8eab\u4efd\u9a8c\u8bc1\u548c\u67b6\u6784<\/h2>\n<p>\u8bf7\u6c42\u7684\u7528\u6237\uff0c\u4e5f\u5c31\u662f\u4e0e\u8ba4\u8bc1\u7ed3\u679c\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u5982\u4f55\u5728GraphQL\u7684\u6a21\u5f0f\u4e2d\u8868\u793a\u5462\uff1f\u4f7f\u7528Relay\u4e2d\u7684\u6307\u4ee4viewer\u4f3c\u4e4e\u662f\u5f88\u597d\u7684\u9009\u62e9\u3002\u5728GitHub\u7684v4 API\u4e2d\u4e5f\u6709viewer\uff0c\u53ef\u4ee5\u8bbf\u95ee\u8d26\u6237\u4fe1\u606f\u548c\u8be5\u8d26\u6237\u6240\u62e5\u6709\u7684\u4ed3\u5e93\u7b49\u5185\u5bb9\u3002<\/p>\n<p>\u5982\u679c\u662f\u4e00\u4e2a\u53ea\u80fd\u5728\u8fdb\u884c\u8ba4\u8bc1\u540e\u624d\u80fd\u4f7f\u7528\u7684\u670d\u52a1\uff0c\u662f\u5426\u5c06\u6240\u6709\u7684\u67e5\u8be2\u90fd\u653e\u5728viewer\u4e0b\u9762\u5462\uff1f<br \/>\n\u8fd9\u53ef\u80fd\u5f88\u53ef\u80fd\u662f\u5426\u5b9a\u7684\u3002\u5373\u4f7f\u5728\u8fd9\u6837\u7684\u670d\u52a1\u4e2d\uff0c\u53ea\u6709\u4e0e\u8bf7\u6c42\u8005\u8d26\u6237\u76f8\u5173\u8054\u7684\u4fe1\u606f\u624d\u653e\u5728viewer\u4e0b\u9762\uff0c\u5bf9\u4e8e\u90a3\u4e9b\u53ea\u8981\u8fdb\u884c\u8ba4\u8bc1\u5c31\u53ef\u4ee5\u5171\u540c\u8bbf\u95ee\u7684\u8d44\u6e90\uff0c\u6700\u597d\u662f\u5c06\u5176\u653e\u5728\u6839\u76ee\u5f55\u4e0b\u3002<\/p>\n<p>\u5728sangria\u4e2d\uff0c\u6709\u4e00\u4e2a\u540d\u4e3aMiddleware\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5bf9\u4e8e\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\u7684\u6307\u4ee4\u7684\u5fc5\u987b\u8ba4\u8bc1\u68c0\u67e5\u3002<\/p>\n<p>\u6211\u8bd5\u7740\u539f\u5c01\u4e0d\u52a8\u5730\u7c98\u8d34\u516c\u5f0f\u6587\u6863\u7684\u6837\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">object<\/span> <span class=\"nc\">SecurityEnforcer<\/span> <span class=\"k\">extends<\/span> <span class=\"nc\">Middleware<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span><span class=\"o\">]<\/span> <span class=\"k\">with<\/span> <span class=\"nc\">MiddlewareBeforeField<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span><span class=\"o\">]<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"k\">type<\/span> <span class=\"kt\">QueryVal<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Unit<\/span>\r\n  <span class=\"k\">type<\/span> <span class=\"kt\">FieldVal<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Unit<\/span>\r\n\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">beforeQuery<\/span><span class=\"o\">(<\/span><span class=\"n\">context<\/span><span class=\"k\">:<\/span> <span class=\"kt\">MiddlewareQueryContext<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span>, <span class=\"k\">_<\/span>, <span class=\"k\">_<\/span><span class=\"o\">])<\/span> <span class=\"k\">=<\/span> <span class=\"o\">()<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">afterQuery<\/span><span class=\"o\">(<\/span><span class=\"n\">queryVal<\/span><span class=\"k\">:<\/span> <span class=\"kt\">QueryVal<\/span><span class=\"o\">,<\/span> <span class=\"n\">context<\/span><span class=\"k\">:<\/span> <span class=\"kt\">MiddlewareQueryContext<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span>, <span class=\"k\">_<\/span>, <span class=\"k\">_<\/span><span class=\"o\">])<\/span> <span class=\"k\">=<\/span> <span class=\"o\">()<\/span>\r\n\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">beforeField<\/span><span class=\"o\">(<\/span><span class=\"n\">queryVal<\/span><span class=\"k\">:<\/span> <span class=\"kt\">QueryVal<\/span><span class=\"o\">,<\/span> <span class=\"n\">mctx<\/span><span class=\"k\">:<\/span> <span class=\"kt\">MiddlewareQueryContext<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span>, <span class=\"k\">_<\/span>, <span class=\"k\">_<\/span><span class=\"o\">],<\/span> <span class=\"n\">ctx<\/span><span class=\"k\">:<\/span> <span class=\"kt\">Context<\/span><span class=\"o\">[<\/span><span class=\"kt\">SecureContext<\/span>, <span class=\"k\">_<\/span><span class=\"o\">])<\/span> <span class=\"k\">=<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">val<\/span> <span class=\"nv\">permissions<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">field<\/span><span class=\"o\">.<\/span><span class=\"py\">tags<\/span><span class=\"o\">.<\/span><span class=\"py\">collect<\/span> <span class=\"o\">{<\/span><span class=\"k\">case<\/span> <span class=\"nc\">Permission<\/span><span class=\"o\">(<\/span><span class=\"n\">p<\/span><span class=\"o\">)<\/span> <span class=\"k\">\u21d2<\/span> <span class=\"n\">p<\/span><span class=\"o\">}<\/span>\r\n    <span class=\"k\">val<\/span> <span class=\"nv\">requireAuth<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">field<\/span><span class=\"o\">.<\/span><span class=\"py\">tags<\/span> <span class=\"n\">contains<\/span> <span class=\"nc\">Authorised<\/span>\r\n    <span class=\"k\">val<\/span> <span class=\"nv\">securityCtx<\/span> <span class=\"k\">=<\/span> <span class=\"nv\">ctx<\/span><span class=\"o\">.<\/span><span class=\"py\">ctx<\/span>\r\n\r\n    <span class=\"nf\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">requireAuth<\/span><span class=\"o\">)<\/span>\r\n      <span class=\"nv\">securityCtx<\/span><span class=\"o\">.<\/span><span class=\"py\">user<\/span>\r\n\r\n    <span class=\"nf\">if<\/span> <span class=\"o\">(<\/span><span class=\"nv\">permissions<\/span><span class=\"o\">.<\/span><span class=\"py\">nonEmpty<\/span><span class=\"o\">)<\/span>\r\n      <span class=\"nv\">securityCtx<\/span><span class=\"o\">.<\/span><span class=\"py\">ensurePermissions<\/span><span class=\"o\">(<\/span><span class=\"n\">permissions<\/span><span class=\"o\">)<\/span>\r\n\r\n    <span class=\"n\">continue<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728Field\u7684\u6807\u7b7e\u4e2d\u8bbe\u7f6e\u67d0\u4e2a\u503c\uff0c\u5e76\u4e14\u53ef\u4ee5\u5bf9\u8be5Field\u8fdb\u884c\u67e5\u8be2\u65f6\u8fdb\u884c\u8bbf\u95ee\u8ba4\u8bc1\u9a8c\u8bc1\u7b49\u7684\u5b9e\u73b0\u53d8\u5f97\u53ef\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5b9e\u73b0 GraphQL API \u65f6\uff0c\u5982\u4f55\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u3002 GraphQL\u5185\u90e8\u3067\u8a8d\u8a3c\u3059\u308b &nbsp; Graph [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47758","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728\u54ea\u91cc\u8fdb\u884cGraphQL\u7684\u8eab\u4efd\u9a8c\u8bc1 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728\u54ea\u91cc\u8fdb\u884cgraphql\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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