suwako / LittleBeast

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LittleBeast / src / Site / Controller / Home.php
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1<?php
2/*************************************************************
3# 076 License
4
5Copyright (c) テクニカル諏訪子
6
7Permission is hereby granted to any person obtaining a copy of the software
8Little Beast (the "Software") to use, modify, merge, copy, publish, distribute,
9sublicense, and/or sell copies of the Software, subject to the following conditions:
10
11 1. **Origin Attribution**:
12 - You must not misrepresent the origin of the Software; you must not claim
13 you created the original Software.
14 - If the Software is used in a product, you must either:
15 a. Provide clear attribution in the product's documentation, user interface,
16 or other visible areas, **OR**
17 b. Pay the original developers a fee they specify in writing.
18 2. **Usage Restriction**:
19 - The Software, or any derivative works, dependencies, or libraries
20 incorporating it, must not be used for censorship or to suppress freedom of
21 speech, expression, or creativity. Prohibited uses include, but are not
22 limited to:
23 - Censorship of so-called "hate speech", visuals, non-mainstream opinions,
24 ideas, or objective reality.
25 - Tools or systems designed to restrict access to information or
26 artistic works.
27 3. **Notice Preservation**:
28 - This license and the above copyright notice must remain intact in all copies
29 of the source code.
30
31THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
32INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
33PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
34HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
35CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
36OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
37 */
38namespace Site\Controller;
39
40use Site\Controller\BlogPost;
41use Site\Controller\Mods;
42use Std\Lib\Activitypub;
43use Std\Lib\Auth;
44use Std\Lib\Markdown;
45use Std\Lib\Template;
46use Roles;
47
48class Home extends BlogPost {
49 use Mods;
50
51 private array $searchKeywords = [];
52 private string $domain = 'technicalsuwako.moe';
53
54 //------------------------------------------
55 // ページ
56 //------------------------------------------
57
58 /**
59 * ブログ投稿ページ
60 *
61 * @param array $params ページ番号等
62 * @return void
63 */
64 public function show(array $params): void {
65 try {
66 $page = isset($_GET['page']) ? $_GET['page'] : 1;
67 $postsPerPage = 20;
68
69 $tmpl = new Template('/');
70 $pagetit = 'トップページ';
71
72 $description = 'テクニカル諏訪子ちゃんの個人ブログ';
73
74 // ユーザー
75 $auth = new Auth();
76 $user = $auth->getLoggedInUser();
77
78 $posts = $this->getPosts('/blog/', $user);
79 if (!is_array($posts)) $posts = [];
80
81 // 検索機能が使用されている場合
82 if (isset($_GET['q']) && !empty($_GET['q'])) {
83 $this->searchKeywords = array_map('trim', explode(',', $_GET['q']));
84 $posts = $this->searchPosts($this->searchKeywords, $posts, '/blog/');
85 $pagetit = '検索結果: '.htmlspecialchars($_GET['q']);
86
87 // 検索結果にキーワードをハイライト
88 $posts = $this->highlightKeywords($posts);
89 }
90
91 // ページネーション
92 $totalPosts = count($posts);
93 $totalPages = ceil($totalPosts / $postsPerPage);
94 $page = min($page, $totalPages);
95 $currentPosts = array_slice(
96 $posts,
97 ($page - 1) * $postsPerPage,
98 $postsPerPage
99 );
100
101 $tmpl->assign('user', $user);
102 $tmpl->assign('currentPage', $page);
103 $tmpl->assign('totalPages', $totalPages);
104 $tmpl->assign('posts', $currentPosts);
105 $tmpl->assign('pagetit', $pagetit);
106 $tmpl->assign('curblog', 'gd');
107 $tmpl->assign('section', 'blog');
108 $tmpl->assign('curPage', 'blog');
109 $tmpl->assign('custCss', false);
110 $tmpl->assign('menu', $this->getMenu());
111 $tmpl->assign('description', $description);
112 $tmpl->assign('searchActive', !empty($this->searchKeywords));
113
114 $tmpl->addCss('news');
115 $tmpl->addCss('search');
116 $tmpl->addCss('blogtype');
117 $tmpl->addCss('pagination');
118 $tmpl->render('home');
119 } catch (\Exception $e) {
120 throw new \Exception($e->getMessage());
121 }
122 }
123
124 /**
125 * ブログ投稿ページ
126 *
127 * @param array $params マークダウンファイル等
128 * @return void
129 */
130 public function article(array $params): void {
131 $page = '';
132 if (isset($params['page'])) $page = $params['page'];
133
134 try {
135 $tmpl = new Template('/');
136 $md = new Markdown($page, '/blog/');
137
138 $meta = $md->getMetadata();
139 $pagetit = $meta->title;
140 $article = $md->parse();
141 $description = 'テクニカル諏訪子ちゃんの個人ブログ';
142
143 // 検索からの遷移の場合、記事内のキーワードをハイライト
144 if (isset($_GET['q']) && !empty($_GET['q'])) {
145 $keywords = array_map('trim', explode(',', $_GET['q']));
146 $article = $this->highlightTextContent($article, $keywords);
147 $meta->title = $this->highlightTextContent($meta->title, $keywords);
148 }
149
150 // ユーザー
151 $auth = new Auth();
152 $user = $auth->getLoggedInUser();
153 $isMember = $user !== NULL && $user->role !== Roles::BANNED;
154 $isPaywall = $user !== NULL && ($user->role & Roles::SUBSCRIBER);
155 $isStaff = $user !== NULL && ($user->role & (Roles::ADMIN | Roles::STAFF));
156 $tmpl->assign('user', $user);
157
158 $tmpl->assign('pagetit', $pagetit);
159 $tmpl->assign('curPage', 'blog');
160 $tmpl->assign('custCss', false);
161 $tmpl->assign('curblog', 'gd');
162 $tmpl->assign('section', 'blog');
163 $tmpl->assign('menu', $this->getMenu());
164 $tmpl->assign('article', $article);
165 $tmpl->assign('meta', $meta);
166 $tmpl->assign('description', $description);
167
168 if (isset($meta->css) && !empty($meta->css)) {
169 foreach ($meta->css as $v) {
170 $tmpl->addCss($v);
171 }
172 }
173
174 if (!$isMember && in_array('memberonly', $meta->category)) goto denyaccess;
175 if ((!$isPaywall && !$isStaff) && in_array('subscriberonly', $meta->category)) goto denyaccess;
176 if (!$isStaff && in_array('staffonly', $meta->category)) goto denyaccess;
177 if (isset($meta->draft) && !$isStaff) goto denyaccess;
178
179showpage:
180 $this->assignComments($tmpl, 'blog', $page, $meta, $user);
181 $tmpl->addCss('news-article');
182 $tmpl->addCss('search');
183 $tmpl->addCss('blogtype');
184 $tmpl->addCss('code');
185 $tmpl->render('article');
186 exit();
187
188denyaccess:
189 unset($md, $meta, $pagetit, $article, $description);
190 $tmpl->assign('pagetit', 'Not found');
191 $tmpl->assign('curPage', '404');
192 $tmpl->assign('menu', $this->getMenu());
193 $tmpl->assign('description', '');
194 $tmpl->render('404');
195 } catch (\Exception $e) {
196 throw new \Exception($e->getMessage());
197 }
198 }
199
200 public function robots(array $params): void {
201 $txt = "User-Agent: *\nDisallow: /login/\nDisallow: /register/";
202 $tmpFile = tempnam(sys_get_temp_dir(), 'tmpl_');
203 file_put_contents($tmpFile, $txt);
204
205 include $tmpFile;
206 unlink($tmpFile);
207 }
208
209 //------------------------------------------
210 // 機能性
211 //------------------------------------------
212
213 /**
214 * キーワードに基づいて投稿を検索する
215 *
216 * @param array $keywords 検索キーワードの配列
217 * @param array $posts 検索対象の投稿記事の配列
218 * @return array 検索条件に一致する投稿記事の配列
219 */
220 private function searchPosts(array $keywords, array $posts, string $section): array {
221 if (empty($keywords) || empty($posts)) {
222 return $posts;
223 }
224
225 $foundPosts = [];
226 $path = ROOT.$section;
227
228 foreach ($posts as $post) {
229 $matched = false;
230
231 // タイトルで検索
232 foreach ($keywords as $keyword) {
233 $keyword = trim($keyword);
234 if (empty($keyword)) continue;
235
236 // タイトル内でキーワードが見つかった場合
237 if (mb_stripos($post['title'], $keyword) !== false) {
238 $foundPosts[] = $post;
239 $matched = true;
240 break;
241 }
242 }
243
244 // すでにマッチしていれば次の記事へ
245 if ($matched) continue;
246
247 // 記事の本文をチェック
248 $slug = $post['slug'];
249 $filePath = $path.$slug.'.md';
250
251 if (file_exists($filePath)) {
252 $content = file_get_contents($filePath);
253 $parts = explode('----', $content, 2);
254 if (count($parts) > 1) {
255 // コメントは検索しない（非公開のメモが検索で当たらない様に）
256 $articleBody = trim(Markdown::stripComments($parts[1]));
257
258 foreach ($keywords as $keyword) {
259 $keyword = trim($keyword);
260 if (empty($keyword)) continue;
261
262 // 本文内でキーワードが見つかった場合
263 if (mb_stripos($articleBody, $keyword) !== false) {
264 $foundPosts[] = $post;
265 break;
266 }
267 }
268 }
269 }
270 }
271
272 return $foundPosts;
273 }
274
275 /**
276 * 検索結果の投稿内のキーワードをハイライトする
277 *
278 * @param array $posts 検索結果の投稿配列
279 * @return array ハイライト処理後の投稿配列
280 */
281 private function highlightKeywords(array $posts): array {
282 if (empty($this->searchKeywords) || empty($posts)) {
283 return $posts;
284 }
285
286 foreach ($posts as &$post) {
287 // タイトルのハイライト
288 if (!empty($post['title'])) {
289 $post['title'] =
290 $this->highlightTextContent($post['title'], $this->searchKeywords);
291 }
292
293 // プレビューのハイライト
294 if (!empty($post['preview'])) {
295 $post['preview'] =
296 $this->highlightTextContent($post['preview'], $this->searchKeywords);
297 }
298 }
299
300 return $posts;
301 }
302
303 /**
304 * テキスト内のキーワードをハイライトする
305 *
306 * @param string $text ハイライト対象のテキスト
307 * @param array $keywords ハイライトするキーワード配列
308 * @return string ハイライト処理後のテキスト
309 */
310 private function highlightTextContent(string $text, array $keywords): string {
311 if (empty($keywords) || empty($text)) {
312 return $text;
313 }
314
315 $alts = [];
316
317 foreach ($keywords as $keyword) {
318 $keyword = trim($keyword);
319 $escaped = htmlspecialchars($keyword, ENT_QUOTES, 'UTF-8');
320 if ($escaped === '') continue;
321 $alts[] = preg_quote($escaped, '/');
322 }
323 if (empty($alts)) return $text;
324 $pattern = '/('.implode('|', $alts).')/iu';
325
326 $parts = preg_split('/(<[^>]*>|&[#\w]+;)/u', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
327 if ($parts === false) return $text;
328
329 foreach ($parts as $i => $part) {
330 if ($part === '' || $part[0] === '<' || $part[0] === '&') continue;
331 $res = preg_replace($pattern, '<span class="search-highlight">$1</span>', $part);
332 if ($res !== null) $parts[$i] = $res;
333 }
334
335 return implode('', $parts);
336 }
337}