#19

backend/.gitignore

@@ -36,3 +36,5 @@
 /config/database.yml
 
 /config/credentials/production.key
+
+/wiki

backend/Gemfile

@@ -55,3 +55,5 @@ gem "mysql2", "~> 0.5.6"
 gem "image_processing", "~> 1.14"
 
 gem "nokogiri", "~> 1.18"
+
+gem 'gollum'

backend/Gemfile.lock

@@ -100,8 +100,41 @@ GEM
     ffi (1.17.2-x86_64-darwin)
     ffi (1.17.2-x86_64-linux-gnu)
     ffi (1.17.2-x86_64-linux-musl)
+    gemojione (4.3.3)
+      json
+    github-markup (4.0.2)
     globalid (1.2.1)
       activesupport (>= 6.1)
+    gollum (6.1.0)
+      gemojione (~> 4.1)
+      gollum-lib (~> 6.0)
+      i18n (~> 1.8)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.1.0)
+      mustache-sinatra (~> 2.0)
+      octicons (~> 19.0)
+      rack (>= 3.0)
+      rackup (~> 2.1)
+      rdoc (~> 6)
+      rss (~> 0.3)
+      sinatra (~> 4.0)
+      sinatra-contrib (~> 4.0)
+      sprockets (~> 4.1)
+      sprockets-helpers (~> 1.2)
+      therubyrhino (~> 2.1.0)
+      useragent (~> 0.16.2)
+      webrick (~> 1.7)
+    gollum-lib (6.0)
+      gemojione (~> 4.1)
+      github-markup (~> 4.0)
+      gollum-rugged_adapter (~> 3.0)
+      loofah (~> 2.3)
+      nokogiri (~> 1.8)
+      rouge (~> 3.1)
+      twitter-text (= 1.14.7)
+    gollum-rugged_adapter (3.0)
+      mime-types (~> 3.4)
+      rugged (~> 1.5)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     image_processing (1.14.0)
@@ -126,6 +159,10 @@ GEM
       sshkit (>= 1.23.0, < 2.0)
       thor (~> 1.3)
       zeitwerk (>= 2.6.18, < 3.0)
+    kramdown (2.5.1)
+      rexml (>= 3.3.9)
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
@@ -138,12 +175,22 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.4)
+    mime-types (3.7.0)
+      logger
+      mime-types-data (~> 3.2025, >= 3.2025.0507)
+    mime-types-data (3.2025.0603)
     mini_magick (5.2.0)
       benchmark
       logger
     mini_mime (1.1.5)
     minitest (5.25.5)
     msgpack (1.8.0)
+    multi_json (1.15.0)
+    mustache (1.1.1)
+    mustache-sinatra (2.0.0)
+      mustache (~> 1.0)
+    mustermann (3.0.3)
+      ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.6)
     net-imap (0.5.8)
       date
@@ -176,6 +223,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.18.8-x86_64-linux-musl)
       racc (~> 1.4)
+    octicons (19.15.2)
     ostruct (0.6.1)
     parallel (1.27.0)
     parser (3.3.8.0)
@@ -194,6 +242,10 @@ GEM
     rack (3.1.14)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
+    rack-protection (4.1.1)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
     rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
@@ -237,6 +289,10 @@ GEM
     regexp_parser (2.10.0)
     reline (0.6.1)
       io-console (~> 0.5)
+    rexml (3.4.1)
+    rouge (3.30.0)
+    rss (0.3.1)
+      rexml
     rubocop (1.75.6)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
@@ -269,11 +325,28 @@ GEM
     ruby-vips (2.2.3)
       ffi (~> 1.12)
       logger
+    ruby2_keywords (0.0.5)
+    rugged (1.9.0)
     securerandom (0.4.1)
+    sinatra (4.1.1)
+      logger (>= 1.6.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.1.1)
+      rack-session (>= 2.0.0, < 3)
+      tilt (~> 2.0)
+    sinatra-contrib (4.1.1)
+      multi_json (>= 0.0.2)
+      mustermann (~> 3.0)
+      rack-protection (= 4.1.1)
+      sinatra (= 4.1.1)
+      tilt (~> 2.0)
     sprockets (4.2.2)
       concurrent-ruby (~> 1.0)
       logger
       rack (>= 2.2.4, < 4)
+    sprockets-helpers (1.4.0)
+      sprockets (>= 2.2)
     sprockets-rails (3.5.2)
       actionpack (>= 6.1)
       activesupport (>= 6.1)
@@ -294,20 +367,30 @@ GEM
       net-ssh (>= 2.8.0)
       ostruct
     stringio (3.1.7)
+    therubyrhino (2.1.2)
+      therubyrhino_jar (>= 1.7.4, < 1.7.9)
+    therubyrhino_jar (1.7.8)
     thor (1.3.2)
     thruster (0.1.13)
     thruster (0.1.13-aarch64-linux)
     thruster (0.1.13-arm64-darwin)
     thruster (0.1.13-x86_64-darwin)
     thruster (0.1.13-x86_64-linux)
+    tilt (2.6.0)
     timeout (0.4.3)
+    twitter-text (1.14.7)
+      unf (~> 0.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.9.1)
     unicode-display_width (3.1.4)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
     uri (1.0.3)
     useragent (0.16.11)
+    webrick (1.9.1)
     websocket-driver (0.7.7)
       base64
       websocket-extensions (>= 0.1.0)
@@ -329,6 +412,7 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   brakeman
+  gollum
   image_processing (~> 1.14)
   jwt
   kamal

backend/app/controllers/wiki_proxy_controller.rb

@@ -0,0 +1,31 @@
+require 'net/http'
+require 'uri'
+
+
+class WikiProxyController < ApplicationController
+  def edit
+    tag = params[:tag]
+    uri = "http://localhost:4567/gollum/edit/#{ URI.encode_www_form_component(tag) }"
+    begin
+      res = fetch_with_redirect(uri)
+      render html: res.body.html_safe, content_type: res.content_type
+    rescue => e
+      render plain: "Wiki システムとの通信に失敗しました：#{ e.message }", status: 502
+    end
+  end
+
+  private
+
+  def fetch_with_redirect uri_str, limit = 5
+    raise 'Too many redirects' if limit == 0
+
+    uri = URI.parse(uri_str)
+    res = Net::HTTP.get_response(uri)
+    if res.is_a? Net::HTTPRedirection
+      location = res['location']
+      fetch_with_redirect(location, limit - 1)
+    else
+      res
+    end
+  end
+end

backend/config/routes.rb

@@ -54,6 +54,7 @@ Rails.application.routes.draw do
   get "ip_addresses/destroy"
   get 'preview/title', to: 'preview#title'
   get 'preview/thumbnail', to: 'preview#thumbnail'
+  get '/wiki/edit/:tag', to: 'wiki_proxy#edit'
   root 'home#index'
 
   resources :posts

frontend/package-lock.json

@@ -17,8 +17,10 @@
         "clsx": "^2.1.1",
         "humps": "^2.0.1",
         "lucide-react": "^0.511.0",
+        "marked": "^15.0.12",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
+        "react-markdown-editor-lite": "^1.3.4",
         "react-router-dom": "^6.30.0",
         "tailwind-merge": "^3.3.0"
       },
@@ -292,6 +294,15 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/runtime": {
+      "version": "7.27.6",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.27.6.tgz",
+      "integrity": "sha512-vbavdySgbTTrmFE+EsiqUTzlOr5bzlnJtUv9PynGCAKvfQqjIXbvFdumPM/GxMDfyuGMJaJAU6TO4zc1Jf1i8Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.27.2",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.27.2.tgz",
@@ -1957,7 +1968,7 @@
       "version": "19.1.4",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.4.tgz",
       "integrity": "sha512-EB1yiiYdvySuIITtD5lhW4yPyJ31RkJkkDw794LaQYrxCSaQV/47y5o1FMC4zF9ZyjUjzJMZwbovEnT5yHTW6g==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "csstype": "^3.0.2"
@@ -1967,7 +1978,7 @@
       "version": "19.1.5",
       "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.1.5.tgz",
       "integrity": "sha512-CMCjrWucUBZvohgZxkjd6S9h0nZxXjzus6yDfUb+xLxYM7VvjKNH1tQrE9GWLql1XoOP4/Ds3bwFqShHUYraGg==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "peerDependencies": {
         "@types/react": "^19.0.0"
@@ -2614,6 +2625,12 @@
         "url": "https://polar.sh/cva"
       }
     },
+    "node_modules/classnames": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.5.1.tgz",
+      "integrity": "sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==",
+      "license": "MIT"
+    },
     "node_modules/clsx": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
@@ -2711,7 +2728,7 @@
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
       "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/debug": {
@@ -3090,6 +3107,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/eventemitter3": {
+      "version": "4.0.7",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+      "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
+      "license": "MIT"
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3800,6 +3823,18 @@
         "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
       }
     },
+    "node_modules/marked": {
+      "version": "15.0.12",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-15.0.12.tgz",
+      "integrity": "sha512-8dD6FusOQSrpv9Z1rdNMdlSgQOIP880DHqnohobOmYLElGEqAL/JvxvuxZO16r4HtjTlfPRDC1hbvxC9dPN2nA==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
     "node_modules/math-intrinsics": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -4361,6 +4396,21 @@
         "react": "^19.1.0"
       }
     },
+    "node_modules/react-markdown-editor-lite": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/react-markdown-editor-lite/-/react-markdown-editor-lite-1.3.4.tgz",
+      "integrity": "sha512-PhS4HzLzSgCsr8O9CfJX75nAYmZ0NwpfviLxARlT0Tau+APOerDSHSw3u9hub5wd0EqmonWibw0vhXXNu4ldRA==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.6.2",
+        "classnames": "^2.2.6",
+        "eventemitter3": "^4.0.0",
+        "uuid": "^8.3.2"
+      },
+      "peerDependencies": {
+        "react": "^16.9.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/react-refresh": {
       "version": "0.17.0",
       "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz",
@@ -5125,6 +5175,15 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/vite": {
       "version": "6.3.5",
       "resolved": "https://registry.npmjs.org/vite/-/vite-6.3.5.tgz",

frontend/package.json

@@ -18,8 +18,10 @@
     "clsx": "^2.1.1",
     "humps": "^2.0.1",
     "lucide-react": "^0.511.0",
+    "marked": "^15.0.12",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "react-markdown-editor-lite": "^1.3.4",
     "react-router-dom": "^6.30.0",
     "tailwind-merge": "^3.3.0"
   },

frontend/src/App.tsx

@@ -7,6 +7,7 @@ import TagSidebar from './components/TagSidebar'
 import PostPage from './pages/PostPage'
 import PostNewPage from './pages/PostNewPage'
 import PostDetailPage from './pages/PostDetailPage'
+import WikiEditPage from './pages/WikiEditPage'
 import { API_BASE_URL } from './config'
 import axios from 'axios'
 import { Toaster } from '@/components/ui/toaster'
@@ -76,6 +77,7 @@ const App = () => {
                   <Route path="/posts/new" element={<PostNewPage />} />
                   <Route path="/posts/:id" element={<PostDetailPage posts={posts} setPosts={setPosts} />} />
                   <Route path="/tags/:tag" element={<TagPage />} />
+                  <Route path="/wiki/:name" element={<WikiEditPage />} />
                 </Routes>
               </main>
             </div>

frontend/src/pages/WikiEditPage.tsx

@@ -0,0 +1,40 @@
+import { useParams } from 'react-router-dom'
+import { useEffect, useState } from 'react'
+import axios from 'axios'
+
+
+const WikiEditPage = () => {
+  const { name } = useParams<{ name: string }> ()
+
+  const [html, setHtml] = useState('')
+  const [loading, setLoading] = useState(true)
+
+  useEffect(() => {
+    const link = document.createElement('link')
+    link.rel = 'stylesheet'
+    link.href = '/wiki/custom.css'  // Gollum の静的 CSS にアクセスできるようにしとく
+    document.head.appendChild(link)
+    return () => {
+      document.head.removeChild(link)
+    }
+  }, [])
+
+  useEffect(() => {
+    setLoading(true)
+    axios
+      .get(`/api/wiki/edit/${encodeURIComponent(name)}`, {
+        headers: { 'X-Transfer-Code': localStorage.getItem('user_code') || '' }
+      })
+      .then((res) => setHtml(res.data))
+      .finally(() => setLoading(false))
+  }, [name])
+
+  return loading ? (
+    <p>読み込み中...</p>
+  ) : (
+    <div dangerouslySetInnerHTML={{ __html: html }} />
+  )
+}
+
+
+export default WikiEditPage