{"id":8033,"date":"2025-10-03T21:35:03","date_gmt":"2025-10-03T21:35:03","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=8033"},"modified":"2025-10-03T21:35:03","modified_gmt":"2025-10-03T21:35:03","slug":"ruby-on-rails-6%e3%81%8b%e3%82%897%e3%81%ab%e4%b8%8a%e3%81%92%e3%81%9f%e3%81%a0%e3%81%91%e3%81%a7%e6%83%85%e5%a0%b1%e6%bc%8f%e6%b4%a9%ef%bc%9fhash%e2%86%92json-%e5%a4%89%e6%8f%9b%e3%81%ae%e6%8c%99","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/8033\/","title":{"rendered":"Ruby on Rails 6\u304b\u30897\u306b\u4e0a\u3052\u305f\u3060\u3051\u3067\u60c5\u5831\u6f0f\u6d29\uff1fHash\u2192JSON \u5909\u63db\u306e\u6319\u52d5\u5909\u66f4\u3067\u5b9f\u969b\u306b\u751f\u307e\u308c\u305f\u8106\u5f31\u6027"},"content":{"rendered":"\n<\/p>\n<div>\n<p>\u3053\u3093\u306b\u3061\u306f\u3001GMO Flatt Security \u306e\u5927\u5d0e\u3067\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u79c1\u304c\u4f5c\u554f\u3057\u5f0a\u793e\u306e Kaigi on Rails 2025 \u51fa\u5c55\u30d6\u30fc\u30b9\u3067\u51fa\u984c\u3057\u305f\u30af\u30a4\u30ba\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30af\u30a4\u30ba\u306f\u3001\u5b9f\u969b\u306b HackerOne \u306b\u5831\u544a\u3055\u308c\u305f\u8106\u5f31\u6027\u3092\u5143\u30cd\u30bf\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fhackerone.com%2Freports%2F3000510\" title=\"HackerOne disclosed on HackerOne: The \/reports\/:id.json endpoint...\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><\/p>\n<p>Ruby on Rails \u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3057\u305f\u969b\u306b\u3001Hash \u3092 JSON \u306b\u5909\u63db\u3059\u308b\u6319\u52d5\u304c\u5909\u308f\u3063\u305f\u3053\u3068\u304c\u539f\u56e0\u3067\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u304c\u6f0f\u6d29\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u300c\u306a\u305c\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u691c\u77e5\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u304b\u300d\u306b\u3064\u3044\u3066\u3082\u30ec\u30dd\u30fc\u30c8\u3067\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u3068\u3066\u3082\u5b66\u3073\u306e\u591a\u3044\u5185\u5bb9\u3067\u3057\u305f\u3002\u305d\u3053\u3067\u3001\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u984c\u6750\u306b\u4eca\u56de\u306e\u30af\u30a4\u30ba\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"\u554f\u984c\">\u554f\u984c<\/h3>\n<p><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/f\/flattsecurity\/20251001\/20251001181014.png\" width=\"848\" height=\"1200\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><\/p>\n<p><strong>\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u3001Rails 7\u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\/users\/:id \u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u3069\u306e\u3088\u3046\u306aJSON\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f (Ruby 3.3.1)<\/strong><\/p>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\"><span class=\"synPreProc\">class<\/span> <span class=\"synType\">UsersController<\/span> ApplicationController\n  <span class=\"synPreProc\">def<\/span> <span class=\"synIdentifier\">show<\/span>\n    user = {\n      <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">user<\/span><span class=\"synSpecial\">'<\/span> =&gt; {\n        <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">id<\/span><span class=\"synSpecial\">'<\/span> =&gt; <span class=\"synConstant\">1<\/span>,\n        <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">name<\/span><span class=\"synSpecial\">'<\/span> =&gt; <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">Takumi<\/span><span class=\"synSpecial\">'<\/span>,\n        <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">secret<\/span><span class=\"synSpecial\">'<\/span> =&gt; <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">SECRET<\/span><span class=\"synSpecial\">'<\/span>\n      }\n    }\n\n    filtered_user = {\n      <span class=\"synConstant\">:user<\/span> =&gt; {\n        <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">id<\/span><span class=\"synSpecial\">'<\/span> =&gt; <span class=\"synConstant\">1<\/span>,\n        <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">name<\/span><span class=\"synSpecial\">'<\/span> =&gt; <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">Takumi<\/span><span class=\"synSpecial\">'<\/span>\n      }\n    }\n\n    render <span class=\"synConstant\">json<\/span>: user.merge(filtered_user)\n  <span class=\"synPreProc\">end<\/span>\n<span class=\"synPreProc\">end<\/span>\n<\/pre>\n<h4 id=\"\u9078\u629e\u80a2\">\u9078\u629e\u80a2<\/h4>\n<ol>\n<li><code>{\"user\":{\"id\":1,\"name\":\"Takumi\",\"secret\":\"SECRET\"}}<\/code><\/li>\n<li><code>{\"user\":{\"id\":1,\"name\":\"Takumi\"}}<\/code><\/li>\n<li><code>{\"user\":{\"id\":1,\"name\":\"Takumi\",\"secret\":\"SECRET\"}, \"user\":{\"id\":1,\"name\":\"Takumi\"}}<\/code><\/li>\n<li>\u30a8\u30e9\u30fc\u306b\u306a\u308b<\/li>\n<\/ol>\n<p>\u89e3\u7b54\u30fb\u89e3\u8aac\u3092\u898b\u308b\u306b\u306f\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<p>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<\/p>\n<h3 id=\"\u89e3\u7b54\">\u89e3\u7b54<\/h3>\n<p>\u6b63\u89e3\u306f&#8230;&#8230; <strong>3. <code>{\"user\":{\"id\":1,\"name\":\"Takumi\",\"secret\":\"SECRET\"}, \"user\":{\"id\":1,\"name\":\"Takumi\"}}<\/code><\/strong> \u3067\u3057\u305f\uff01<\/p>\n<p>Ruby on Rails 6.1 \u307e\u3067\u306f Hash \u3092 JSON \u306b\u5909\u63db\u3059\u308b\u969b\u3001\u30b7\u30f3\u30dc\u30eb\u30ad\u30fc\u306f\u6587\u5b57\u5217\u30ad\u30fc\u3068\u540c\u4e00\u8996\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u3058\u540d\u524d\u306e\u30ad\u30fc\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u5f8c\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f\u30ad\u30fc\u3067\u4e0a\u66f8\u304d\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u5834\u5408\u306e\u6b63\u89e3\u306f 2. <code>{\"user\":{\"id\":1,\"name\":\"Takumi\"}}<\/code> \u3067\u3057\u305f\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001 Ruby on Rails 7.1 \u3067\u306f\u3001\u30b7\u30f3\u30dc\u30eb\u30ad\u30fc\u3068\u6587\u5b57\u5217\u30ad\u30fc\u3092\u5225\u306e\u30ad\u30fc\u3068\u3057\u3066\u6271\u3046\u4ed5\u69d8\u306b\u5909\u66f4\u3055\u308c\u3001\u4e21\u65b9\u306e\u30ad\u30fc\u304c\u305d\u306e\u307e\u307e JSON \u306b\u51fa\u529b\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b63\u89e3\u306f 3. \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"\u5143\u30cd\u30bf\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\">\u5143\u30cd\u30bf\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066<\/h4>\n<p>\u524d\u8ff0\u306e\u901a\u308a\u3001\u3053\u306e\u30af\u30a4\u30ba\u306f\u5b9f\u969b\u306b HackerOne \u306b\u5831\u544a\u3055\u308c\u305f\u8106\u5f31\u6027\u3092\u5143\u30cd\u30bf\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fhackerone.com%2Freports%2F3000510\" title=\"HackerOne disclosed on HackerOne: The \/reports\/:id.json endpoint...\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><\/p>\n<p>HackerOne \u306f\u4e16\u754c\u4e2d\u3067\u8106\u5f31\u6027\u5831\u544a\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u6709\u540d\u306a\u30d0\u30b0\u30d0\u30a6\u30f3\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u304c\u3001\u4eca\u56de\u306f Ruby on Rails \u3067\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b HackerOne \u672c\u4f53 \u306b\u5831\u544a\u3055\u308c\u305f\u8106\u5f31\u6027\u3067\u3059\u3002<br \/>\nHackerOne \u81ea\u8eab\u3082\u30d0\u30b0\u30d0\u30a6\u30f3\u30c6\u30a3\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u65bd\u3057\u3066\u304a\u308a\u3001HackerOne \u81ea\u4f53\u306b\u5831\u544a\u3055\u308c\u305f\u8106\u5f31\u6027\u3092\u7a4d\u6975\u7684\u306b\u958b\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u5143\u30cd\u30bf\u3068\u306a\u3063\u305f\u8106\u5f31\u6027\u3067\u306f\u3001\/reports\/<report_id>.json API \u304b\u3089\u30ec\u30dd\u30fc\u30c8\u5831\u544a\u8005\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084 OTP \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b3\u30fc\u30c9\u3001\u96fb\u8a71\u756a\u53f7\u3001graphql_secret_token\u3001T \u30b7\u30e3\u30c4\u30b5\u30a4\u30ba\u306a\u3069\u304c\u6f0f\u6d29\u3057\u3066\u304a\u308a\u3001\u5831\u544a\u8005\u306b\u306f \u7d04 $25,000\uff08\u7d04375\u4e07\u5186\uff09\uff08\u203b\u53c2\u8003\u5024\uff09\u306e\u5831\u5968\u91d1\u304c\u652f\u6255\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/report_id><\/p>\n<p>\u203b\u6b63\u5f0f\u306a\u5831\u5968\u91d1\u984d\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001Severity \u304c 9.2 (Critical) \u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\nHackerOne \u306b\u304a\u3051\u308b Critical \u8106\u5f31\u6027\u306e\u5831\u5968\u91d1\u7d71\u8a08\u306b\u3088\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<blockquote>\n<p>HackerOne Security Stats<\/p>\n<ul>\n<li>Avg. bounty: $25,000.<\/li>\n<li>Rewarded submissions: 2.35%<\/li>\n<li>Typical range: $10,000 \u2013 $25,000<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30b1\u30fc\u30b9\u3082 Critical \u5e2f\u306e\u76f8\u5834\u901a\u308a $25,000 \u3068\u63a8\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u3042\u304f\u307e\u3067\u53c2\u8003\u5024\u3067\u3042\u308b\u70b9\u306b\u3054\u7559\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4 id=\"JSON-\u306b\u304a\u3051\u308b\u91cd\u8907\u30ad\u30fc\u306e\u6271\u3044\">JSON \u306b\u304a\u3051\u308b\u91cd\u8907\u30ad\u30fc\u306e\u6271\u3044<\/h4>\n<p>\u30af\u30a4\u30ba\u306b\u6311\u6226\u3057\u3066\u304f\u3060\u3055\u3063\u305f\u65b9\u304b\u3089\u306f\u3001\u300c\u9078\u629e\u80a2 3 \u306e\u3088\u3046\u306b &#8220;user&#8221; \u30ad\u30fc\u304c\u91cd\u8907\u3057\u3066\u3044\u308b JSON \u306f\u6b63\u3057\u3044\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u8cea\u554f\u3092\u591a\u304f\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<br \/>\n\u5b9f\u969b\u306e\u3068\u3053\u308d\u3001JSON \u306e\u4ed5\u69d8\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b RFC 8259 \u3067\u306f\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u30ad\u30fc\u306f\u4e00\u610f\u3067\u3042\u308b\u3079\u304d (SHOULD be unique)\u300d\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3057 MUST\uff08\u5fc5\u9808\uff09\u3067\u306f\u306a\u304f SHOULD\uff08\u63a8\u5968\uff09 \u3067\u3042\u308b\u305f\u3081\u3001\u91cd\u8907\u30ad\u30fc\u3092\u542b\u3093\u3067\u3044\u3066\u3082\u5f62\u5f0f\u4e0a\u306f JSON \u3068\u3057\u3066\u7121\u52b9\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f RFC 8259 \u3067\u306f\u300c\u30ad\u30fc\u304c\u4e00\u610f\u3067\u306a\u3044\u5834\u5408\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u51e6\u7406\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6319\u52d5\u306f unpredictable\uff08\u4e88\u6e2c\u4e0d\u53ef\u80fd\uff09\u300d\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u91cd\u8907\u30ad\u30fc\u3092\u542b\u3080 JSON \u304c\u3069\u3046\u89e3\u91c8\u3055\u308c\u308b\u304b\u306f JSON \u30d1\u30fc\u30b5\u306e\u5b9f\u88c5\u6b21\u7b2c \u3067\u3059\u3002<\/p>\n<p>\u4f1a\u5834\u3067\u306f\u300cundocumented\u300d\u3068\u8aac\u660e\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u6b63\u3057\u304f\u306f RFC 8259 \u306b\u201c\u30ad\u30fc\u306f\u4e00\u610f\u3067\u3042\u308b\u3079\u304d\u201d\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u91cd\u8907\u30ad\u30fc\u304c\u5b58\u5728\u3057\u305f\u5834\u5408\u306b\u300c\u6700\u5f8c\u306e\u5024\u3092\u63a1\u7528\u3059\u308b\u306e\u304b\u300d\u300c\u30a8\u30e9\u30fc\u306b\u3059\u308b\u306e\u304b\u300d\u3068\u3044\u3063\u305f\u6319\u52d5\u307e\u3067\u306f\u898f\u5b9a\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u3053\u3053\u306f\u30d1\u30fc\u30b5\u30fc\u306e\u5b9f\u88c5\u4f9d\u5b58 \u3067\u3042\u308b\u3001\u3068\u3044\u3046\u306e\u304c\u6b63\u78ba\u306a\u8aac\u660e\u3067\u3057\u305f\u3002\ud83d\ude47\u200d\u2642\ufe0f<\/p>\n<h4 id=\"\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u691c\u77e5\u3067\u304d\u306a\u304b\u3063\u305f\u7406\u7531\">\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u691c\u77e5\u3067\u304d\u306a\u304b\u3063\u305f\u7406\u7531<\/h4>\n<p>\u307e\u305f\u3001\u3053\u306e\u6319\u52d5\u306e\u5dee\u7570\u306f\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u3082\u691c\u77e5\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u7406\u7531\u3068\u3057\u3066\u306f\u3001\u30c6\u30b9\u30c8\u3067\u5229\u7528\u3057\u3066\u3044\u305f\u00a0<code>approvals<\/code>\u00a0gem \u306e\u691c\u8a3c\u65b9\u6cd5\u306b\u3042\u308a\u307e\u3059\u3002<code>approvals<\/code>\u00a0gem \u306f \u300c\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u30c6\u30b9\u30c8\u300d \u3092\u884c\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u51fa\u529b\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u3066\u304a\u304d\u3001\u6b21\u56de\u4ee5\u964d\u306e\u30c6\u30b9\u30c8\u3067\u306f\u305d\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3068\u6bd4\u8f03\u3057\u3066\u5dee\u5206\u3092\u691c\u77e5\u3057\u307e\u3059\u3002\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u3001JSON \u3092\u691c\u8a3c\u3059\u308b\u969b\u306b\u5185\u90e8\u3067\u4e00\u5ea6 JSON.parse \u3092\u884c\u3044\u3001\u6b63\u898f\u5316\u3057\u305f\u7d50\u679c\u3092\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001Ruby \u306e JSON \u30d1\u30fc\u30b5\u306f\u91cd\u8907\u30ad\u30fc\u304c\u3042\u308b\u3068 \u6700\u5f8c\u306e\u30ad\u30fc\u3060\u3051\u3092\u6b8b\u3059\u4ed5\u69d8 \u3067\u3059\u3002\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u307e\u3059\uff1a<\/p>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\"> <span class=\"synPreProc\">require<\/span> <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">json<\/span><span class=\"synSpecial\">'<\/span>\n<span class=\"synType\">JSON<\/span>.parse(<span class=\"synSpecial\">'<\/span><span class=\"synConstant\">{\"my_key\":\"my_value\",\"my_key\":\"my_other_value\"}<\/span><span class=\"synSpecial\">'<\/span>)\n\n<\/pre>\n<p>\u3064\u307e\u308a\u3001\u5b9f\u969b\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306e JSON \u306b\u306f\u91cd\u8907\u30ad\u30fc\u3068\u6a5f\u5bc6\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30c6\u30b9\u30c8\u3067\u6bd4\u8f03\u3055\u308c\u308b\u306e\u306f\u300c\u6700\u5f8c\u306e\u30ad\u30fc\u3060\u3051\u3092\u6b8b\u3057\u305f\u30cf\u30c3\u30b7\u30e5\u300d\u3067\u3057\u305f\u3002<br \/>\n\u305d\u306e\u7d50\u679c\u30012 \u3068 3 \u306e\u4e21\u65b9\u306e JSON \u3092\u30d1\u30fc\u30b9\u3057\u3066\u3082\u540c\u4e00\u306e\u7d50\u679c\u3068\u306a\u308a\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u306f\u5dee\u7570\u3092\u691c\u77e5\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<h3 id=\"\u5bbf\u984c\u30af\u30a4\u30ba\">\u5bbf\u984c\u30af\u30a4\u30ba<\/h3>\n<p>\u307e\u305f\u3001\u4eca\u56de\u306fKaigi on Rails\u4f1a\u5834\u3067\u914d\u5e03\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f\u89e3\u8aac\u30c1\u30e9\u30b7\u306b\u3001\u4ee5\u4e0b\u306e\u300c\u5bbf\u984c\u30af\u30a4\u30ba\u300d\u3092\u63b2\u8f09\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><strong>Q. Rails\u3067\u306f\u306a\u304f\u3001Ruby\u3060\u3051\u3067\u4ee5\u4e0b\u3092\u5b9f\u884c\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\"><span class=\"synPreProc\">require<\/span> <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">json<\/span><span class=\"synSpecial\">'<\/span>\n\nhash = {\n  <span class=\"synConstant\">user<\/span>: { <span class=\"synConstant\">id<\/span>: <span class=\"synConstant\">1<\/span>, <span class=\"synConstant\">name<\/span>: <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">Takumi<\/span><span class=\"synSpecial\">'<\/span>, <span class=\"synConstant\">secret<\/span>: <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">SECRET<\/span><span class=\"synSpecial\">'<\/span> },  \n  <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">user<\/span><span class=\"synSpecial\">'<\/span> =&gt; { <span class=\"synConstant\">id<\/span>: <span class=\"synConstant\">1<\/span>, <span class=\"synConstant\">name<\/span>: <span class=\"synSpecial\">'<\/span><span class=\"synConstant\">Takumi<\/span><span class=\"synSpecial\">'<\/span> }                 \n}\n\nputs <span class=\"synType\">JSON<\/span>.generate(hash)\n<\/pre>\n<p>\u89e3\u7b54\u30fb\u89e3\u8aac\u3092\u898b\u308b\u306b\u306f\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<p>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<br \/>\u2193<\/p>\n<p>\u6b63\u89e3\u306f&#8230;&#8230; <code>{\"user\":{\"id\":1,\"name\":\"Takumi\",\"secret\":\"SECRET\"}, \"user\":{\"id\":1,\"name\":\"Takumi\"}}<\/code> \u3067\u3057\u305f\uff011\u554f\u76ee\u3068\u540c\u3058\u7d50\u679c\u3067\u3059\u3002<\/p>\n<p>\u63a8\u6e2c\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001Ruby on Rails 6 \u304b\u3089 7 \u306b\u304b\u3051\u3066\u306e\u6319\u52d5\u5909\u66f4\u306f\u3001\u3053\u306e Ruby \u6a19\u6e96\u306e\u52d5\u4f5c\u306b\u5408\u308f\u305b\u305f\u3082\u306e \u3060\u3063\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u70b9\u306b\u3064\u3044\u3066\u306f\u3001\u3082\u3046\u5c11\u3057\u6df1\u6398\u308a\u3057\u3066\u8abf\u3079\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"\u5f97\u3089\u308c\u308b\u5b66\u3073\">\u5f97\u3089\u308c\u308b\u5b66\u3073<\/h3>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u91cd\u8907\u3057\u305f JSON \u3092\u3069\u306e\u3088\u3046\u306b\u30d1\u30fc\u30b9\u3059\u308b\u304b\u3068\u3044\u3046\u30d1\u30fc\u30b5\u30fc\u306e\u6319\u52d5\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306a\u3069\u3067\u306f\u691c\u77e5\u3057\u306b\u304f\u3044\u3082\u306e\u3067\u3057\u305f\u3002<br \/>\n\u4e00\u65b9\u3067\u3001\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u7684\u306b API \u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u76f4\u63a5\u78ba\u8a8d\u3059\u308b\u3068\u3001\u6a5f\u5bc6\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3059\u3050\u306b\u5206\u304b\u308b\u305f\u3081\u3001\u767a\u898b\u306f\u5bb9\u6613\u3060\u3063\u305f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u8106\u5f31\u6027\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066 \u9759\u7684\u691c\u67fb\uff08\u30db\u30ef\u30a4\u30c8\u30dc\u30c3\u30af\u30b9\u8a3a\u65ad\uff09 \u3068 \u52d5\u7684\u691c\u67fb\uff08\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u8a3a\u65ad\uff09 \u306e 2 \u3064\u304c\u3042\u308a\u307e\u3059\u3002\u9759\u7684\u691c\u67fb\u306f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u89e3\u6790\u3057\u3066\u6f5c\u5728\u7684\u306a\u30ea\u30b9\u30af\u3092\u691c\u51fa\u3059\u308b\u624b\u6cd5\u3067\u3001\u3088\u308a\u6df1\u3044\u30ea\u30b9\u30af\u307e\u3067\u628a\u63e1\u3067\u304d\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u52d5\u7684\u691c\u67fb\u306f\u3001\u5b9f\u969b\u306e\u74b0\u5883\u306b\u5bfe\u3059\u308b\u5165\u529b\u3068\u51fa\u529b\u3092\u89b3\u5bdf\u3057\u3066\u6319\u52d5\u3092\u89e3\u6790\u3059\u308b\u624b\u6cd5\u3067\u3042\u308a\u3001\u73fe\u5b9f\u7684\u306a\u8106\u5f31\u6027\u3092\u767a\u898b\u3057\u3084\u3059\u3044\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u9759\u7684\u691c\u67fb\u304c\u5e38\u306b\u512a\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u305e\u308c\u306b\u5f97\u610f\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u52d5\u7684\u691c\u67fb\u306e\u65b9\u304c\u5727\u5012\u7684\u306b\u767a\u898b\u3057\u3084\u3059\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"\u8106\u5f31\u6027\u8a3a\u65ad\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u306b\u304a\u3044\u3066\u306f\">\u8106\u5f31\u6027\u8a3a\u65ad\u30fb\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u306b\u304a\u3044\u3066\u306f&#8230;\uff1f<\/h3>\n<p>\u306a\u304a\u3001GMO Flatt Security \u3067\u306f\u81ea\u5206\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3088\u308b\u8106\u5f31\u6027\u8a3a\u65ad\u30fb\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u7279\u5fb4\u3082\u30db\u30ef\u30a4\u30c8\u30dc\u30c3\u30af\u30b9\u8a3a\u65ad\u3068\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u8a3a\u65ad\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5b9f\u65bd\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u696d\u754c\u6163\u7fd2\u3068\u3057\u3066\u306f\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u307f\u3067\u884c\u3046\u3068\u3053\u308d\u304c\u591a\u3044\u3068\u3053\u308d\u3001\u5f0a\u793e\u306e\u65b9\u6cd5\u3067\u306f\u3088\u308a\u6df1\u3044\u691c\u67fb\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3057\u30ec\u30dd\u30fc\u30c8\u306b\u304a\u3051\u308b\u308f\u304b\u308a\u3084\u3059\u3055\u3082\u5411\u4e0a\u3057\u307e\u3059\u3002\u305c\u3072\u3001\u7b2c\u4e09\u8005\u6a5f\u95a2\u306b\u3088\u308b\u9ad8\u5ea6\u306a\u30ea\u30b9\u30af\u306e\u6d17\u3044\u51fa\u3057\u304c\u5fc5\u8981\u306a\u6642\u306b\u306f\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fflatt.tech%2Fassessment\" title=\"\u8106\u5f31\u6027\u8a3a\u65ad\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a3a\u65ad\uff09 | GMO Flatt Security\u682a\u5f0f\u4f1a\u793e\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><\/p>\n<p>\u307e\u305f\u3001\u6708\u984d 7 \u4e07\u5186\u3067\u5229\u7528\u3067\u304d\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a3a\u65adAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300cTakumi byGMO\u300d\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5143\u3005\u306f GitHub \u30ea\u30dd\u30b8\u30c8\u30ea\u3068\u9023\u643a\u3055\u305b\u308b\u3053\u3068\u3067 AI \u304c\u9ad8\u5ea6\u306b\u8106\u5f31\u6027\u3092\u767a\u898b\u3059\u308b\u9759\u7684\u691c\u67fb\uff08\u30db\u30ef\u30a4\u30c8\u30dc\u30c3\u30af\u30b9\u8a3a\u65ad\uff09\u306e AI \u3067\u3057\u305f\u304c\u3001\u8fd1\u65e5\u4e2d\u306b\u52d5\u7684\u691c\u67fb\u306e\u6a5f\u80fd\u3082\u642d\u8f09\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002\u9759\u7684\u691c\u67fb\u3060\u3051\u3067\u3082 Vim \u3084 Next.js \u3068\u3044\u3063\u305f\u8457\u540d OSS \u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3092\u767a\u898b\u3059\u308b\u307b\u3069\u306b\u9ad8\u6027\u80fd\u3067\u3059\u304c\u3001\u52d5\u7684\u691c\u67fb\u306e\u8ffd\u52a0\u306b\u3088\u308a\u66f4\u306a\u308b\u7cbe\u5ea6\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fflatt.tech%2Ftakumi\" title=\"Takumi byGMO - \u65e5\u672c\u521d\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a3a\u65adAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8 | GMO Flatt Security\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" 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