add wordfilter

2026-05-23 22:55:53 +02:00
parent 9a9b787fd7
commit a0ac4607cc
7 changed files with 277 additions and 4 deletions
--- a/src/inc/routes/apiv2/upload.mjs
+++ b/src/inc/routes/apiv2/upload.mjs
@@ -2,6 +2,7 @@ import { promises as fs } from "fs";
 import db from '../../sql.mjs';
 import lib from '../../lib.mjs';
 import cfg from '../../config.mjs';
+import { applyWordFilter } from '../../wordfilter.mjs';
 import queue from '../../queue.mjs';
 import path from "path";

@@ -82,12 +83,13 @@ export default router => {
        const saveComment = async (itemid, userid, content) => {
            if (!content || !content.trim()) return;
            try {
+                const filteredContent = await applyWordFilter(content);
                await db`
                    INSERT INTO comments ${db({
                        item_id: itemid,
                        user_id: userid,
                        parent_id: null,
-                        content: content.trim()
+                        content: filteredContent.trim()
                    }, 'item_id', 'user_id', 'parent_id', 'content')}
                `;
            } catch (err) {
--- a/src/inc/routes/comments.mjs
+++ b/src/inc/routes/comments.mjs
@@ -4,6 +4,7 @@ import cfg from "../config.mjs";
 import lib from "../lib.mjs";
 import audit from "../audit.mjs";
 import { promises as fs } from "fs";
+import { applyWordFilter } from "../wordfilter.mjs";
 import path from "path";

 export default (router, tpl) => {
@@ -252,7 +253,8 @@ export default (router, tpl) => {
        const body = req.post || {};
        const item_id = parseInt(body.item_id, 10);
        const parent_id = body.parent_id ? parseInt(body.parent_id, 10) : null;
-        const content = body.content;
+        let content = body.content;
+        content = await applyWordFilter(content);
        const video_time = (body.video_time !== undefined && body.video_time !== '' && !isNaN(parseFloat(body.video_time)))
            ? parseFloat(body.video_time)
            : null;
@@ -713,7 +715,8 @@ export default (router, tpl) => {

        const commentId = req.params.id;
        const body = req.post || {};
-        const content = body.content;
+        let content = body.content;
+        content = await applyWordFilter(content);

        if (!content || !content.trim()) {
            return res.reply({ body: JSON.stringify({ success: false, message: "Empty content" }) });
--- a/src/inc/routes/wordfilter.mjs
+++ b/src/inc/routes/wordfilter.mjs
@@ -0,0 +1,83 @@
+import db from "../sql.mjs";
+import lib from "../lib.mjs";
+import audit from "../audit.mjs";
+
+export default (router, tpl) => {
+  // Auto-migration on startup
+  db`CREATE TABLE IF NOT EXISTS public.wordfilter (
+    id SERIAL PRIMARY KEY,
+    word VARCHAR(255) NOT NULL UNIQUE,
+    replacement VARCHAR(255) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW()
+  )`.catch(err => console.error('[WORDFILTER] DB Table Setup Failed:', err));
+
+  // Admin View Render
+  router.get(/^\/admin\/wordfilter\/?$/, lib.auth, async (req, res) => {
+    res.reply({
+      body: tpl.render("admin/wordfilter", {
+        session: req.session,
+        totals: await lib.countf0cks(),
+        csrf_token: req.session?.csrf_token || ''
+      }, req)
+    });
+  });
+
+  // API list rules
+  router.get('/api/v2/admin/wordfilter', lib.auth, async (req, res) => {
+    try {
+      const filters = await db`SELECT * FROM wordfilter ORDER BY created_at DESC`;
+      return res.json({ success: true, filters });
+    } catch (err) {
+      return res.json({ success: false, msg: err.message }, 500);
+    }
+  });
+
+  // API create rule
+  router.post('/api/v2/admin/wordfilter', lib.auth, async (req, res) => {
+    try {
+      const { word, replacement } = req.post || {};
+      if (!word || !word.trim() || !replacement || !replacement.trim()) {
+        return res.json({ success: false, msg: 'Word and replacement are required' }, 400);
+      }
+
+      const cleanWord = word.trim();
+      const cleanReplacement = replacement.trim();
+
+      // Ensure no infinite loops or matches
+      if (cleanWord.toLowerCase() === cleanReplacement.toLowerCase()) {
+        return res.json({ success: false, msg: 'Word and replacement cannot be identical' }, 400);
+      }
+
+      await db`
+        INSERT INTO wordfilter (word, replacement) 
+        VALUES (${cleanWord}, ${cleanReplacement})
+        ON CONFLICT (word) DO UPDATE SET replacement = EXCLUDED.replacement
+      `;
+
+      await audit.log(req.session.id, 'add_wordfilter', 'wordfilter', 0, { word: cleanWord, replacement: cleanReplacement });
+
+      return res.json({ success: true });
+    } catch (err) {
+      return res.json({ success: false, msg: err.message }, 500);
+    }
+  });
+
+  // API delete rule
+  router.post('/api/v2/admin/wordfilter/delete', lib.auth, async (req, res) => {
+    try {
+      const { id } = req.post || {};
+      if (!id) return res.json({ success: false, msg: 'ID required' }, 400);
+
+      const rows = await db`DELETE FROM wordfilter WHERE id = ${id} RETURNING word`;
+      if (rows.length > 0) {
+        await audit.log(req.session.id, 'delete_wordfilter', 'wordfilter', id, { word: rows[0].word });
+      }
+
+      return res.json({ success: true });
+    } catch (err) {
+      return res.json({ success: false, msg: err.message }, 500);
+    }
+  });
+
+  return router;
+};
--- a/src/inc/wordfilter.mjs
+++ b/src/inc/wordfilter.mjs
@@ -0,0 +1,32 @@
+import db from "./sql.mjs";
+
+function escapeRegExp(string) {
+  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+}
+
+/**
+ * Replaces words matching database rules inside comments.
+ * @param {string} content 
+ * @returns {Promise<string>} The filtered comment text.
+ */
+export async function applyWordFilter(content) {
+  if (!content || typeof content !== 'string') return content;
+  try {
+    const filters = await db`SELECT word, replacement FROM wordfilter`;
+    if (filters.length === 0) return content;
+
+    let filtered = content;
+    for (const f of filters) {
+      const escaped = escapeRegExp(f.word);
+      const startBoundary = /^\w/.test(f.word) ? '\\b' : '';
+      const endBoundary = /\w$/.test(f.word) ? '\\b' : '';
+      
+      const regex = new RegExp(`${startBoundary}${escaped}${endBoundary}`, 'gi');
+      filtered = filtered.replace(regex, f.replacement);
+    }
+    return filtered;
+  } catch (err) {
+    console.error('[WORDFILTER] Error applying filter:', err);
+    return content;
+  }
+}
--- a/src/upload_handler.mjs
+++ b/src/upload_handler.mjs
@@ -2,6 +2,7 @@ import { promises as fs } from "fs";
 import db from "./inc/sql.mjs";
 import lib from "./inc/lib.mjs";
 import cfg from "./inc/config.mjs";
+import { applyWordFilter } from "./inc/wordfilter.mjs";
 import queue from "./inc/queue.mjs";
 import path from "path";
 import https from "https";
@@ -421,11 +422,12 @@ export const handleUpload = async (req, res, self) => {
        // Insert optional first comment
        if (comment && comment.length > 0) {
            try {
+                const filteredComment = await applyWordFilter(comment);
                await db`
                    INSERT INTO comments ${db({
                        item_id: itemid,
                        user_id: req.session.id,
-                        content: comment
+                        content: filteredComment
                    })}
                `;
            } catch (err) {
--- a/views/admin.html
+++ b/views/admin.html
@@ -20,6 +20,7 @@
        <li><a href="/admin/memes">Meme Manager</a></li>
        <li><a href="/admin/halls">Hall Manager</a></li>
        <li><a href="/admin/motd">MOTD Manager</a></li>
+        <li><a href="/admin/wordfilter">Wordfilter Manager</a></li>
        @if(enable_cleanup)
        <li><a href="/admin/cleanup">Cleanup Manager</a></li>
        @endif
--- a/views/admin/wordfilter.html
+++ b/views/admin/wordfilter.html
@@ -0,0 +1,150 @@
+@include(snippets/header)
+<style>
+@media (min-width: 1200px) {
+  .container:not(:has(.item-layout-container)) {
+    max-width: 1140px;
+  }
+}
+</style>
+<div class="pagewrapper">
+<div id="main" class="admin-container">
+    <div class="container">
+        <div class="admin-header-flex" style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px;">
+            <h2>Wordfilter Manager</h2>
+            <a href="/admin" class="btn-upload" style="width: auto; padding: 8px 16px; text-decoration: none; font-size: 0.9em; display: inline-flex; align-items: center;">← Back to Dashboard</a>
+        </div>
+
+    <!-- Rule Add Section -->
+    <div class="wordfilter-form-container" style="background: rgba(0,0,0,0.2); padding: 20px; border-radius: 6px; margin-bottom: 30px; border: 1px solid rgba(255,255,255,0.05);">
+        <h4 style="color: var(--accent); margin-top: 0; margin-bottom: 15px;">Create Wordfilter Rule</h4>
+        <form id="wordfilter-form" onsubmit="event.preventDefault(); addRule(this);" style="display: flex; gap: 15px; align-items: flex-end; flex-wrap: wrap;">
+            <div style="flex: 1; min-width: 200px;">
+                <label for="word" style="display: block; margin-bottom: 6px; font-size: 0.9em; color: #ccc;">Target Word</label>
+                <input type="text" id="word" name="word" required placeholder="Word to match..." style="width: 100%; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.1); color: #fff; padding: 10px; border-radius: 4px; font-size: 1em;">
+            </div>
+            <div style="flex: 1; min-width: 200px;">
+                <label for="replacement" style="display: block; margin-bottom: 6px; font-size: 0.9em; color: #ccc;">Replacement Word</label>
+                <input type="text" id="replacement" name="replacement" required placeholder="Replace with..." style="width: 100%; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.1); color: #fff; padding: 10px; border-radius: 4px; font-size: 1em;">
+            </div>
+            <button type="submit" class="btn-upload" style="width: auto; padding: 11px 25px; margin-bottom: 1px;">Add Rule</button>
+        </form>
+        <span id="form-status" style="margin-top: 10px; display: block; font-weight: bold; font-size: 0.9em;"></span>
+    </div>
+
+    <!-- Active Rules List -->
+    <div class="wordfilter-table-container" style="background: rgba(0,0,0,0.1); border-radius: 6px; padding: 5px; border: 1px solid rgba(255,255,255,0.05);">
+        <table class="responsive-table">
+            <thead>
+                <tr>
+                    <th>Original Word</th>
+                    <th>Replacement</th>
+                    <th>Created</th>
+                    <th style="text-align: right;">Actions</th>
+                </tr>
+            </thead>
+            <tbody id="filter-list">
+                <!-- Dynamically loaded -->
+            </tbody>
+        </table>
+        <div id="no-rules-msg" style="text-align: center; padding: 40px; color: #aaa; display: none;">
+            No wordfilter rules active. Add one above!
+        </div>
+    </div>
+
+    <script>
+        const loadRules = async () => {
+            try {
+                const res = await fetch('/api/v2/admin/wordfilter');
+                const data = await res.json();
+                if (data.success) {
+                    const tbody = document.getElementById('filter-list');
+                    const noRulesMsg = document.getElementById('no-rules-msg');
+                    if (!tbody) return;
+
+                    if (!data.filters || data.filters.length === 0) {
+                        tbody.innerHTML = '';
+                        noRulesMsg.style.display = 'block';
+                        return;
+                    }
+
+                    noRulesMsg.style.display = 'none';
+                    tbody.innerHTML = data.filters.map(f =>
+                        '<tr>' +
+                            '<td data-label="Original Word" style="font-weight: bold; color: var(--accent);">' + escapeHtml(f.word) + '</td>' +
+                            '<td data-label="Replacement" style="font-family: monospace; color: #fff;">' + escapeHtml(f.replacement) + '</td>' +
+                            '<td data-label="Created">' + (f.created_at ? new Date(f.created_at).toLocaleString() : '—') + '</td>' +
+                            '<td data-label="Actions" style="text-align: right;">' +
+                                '<button onclick="deleteRule(' + f.id + ')" class="btn-remove" style="padding: 5px 12px; font-size: 0.85em; border-radius: 4px; border: 0; cursor: pointer;">Delete</button>' +
+                            '</td>' +
+                        '</tr>'
+                    ).join('');
+                }
+            } catch (e) {
+                console.error('Failed to load rules:', e);
+            }
+        };
+
+        const addRule = async (form) => {
+            const status = document.getElementById('form-status');
+            status.textContent = 'Saving...';
+            status.style.color = 'var(--accent)';
+
+            try {
+                const res = await fetch('/api/v2/admin/wordfilter', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/x-www-form-urlencoded',
+                        'X-CSRF-Token': window.f0ckSession?.csrf_token
+                    },
+                    body: new URLSearchParams(new FormData(form))
+                });
+                const data = await res.json();
+                if (data.success) {
+                    status.textContent = 'Rule added successfully!';
+                    status.style.color = '#28a745';
+                    form.reset();
+                    loadRules();
+                    setTimeout(() => status.textContent = '', 3000);
+                } else {
+                    throw new Error(data.msg || 'Save failed');
+                }
+            } catch (e) {
+                status.textContent = 'Error: ' + e.message;
+                status.style.color = '#d9534f';
+            }
+        };
+
+        const deleteRule = async (id) => {
+            if (!confirm('Are you sure you want to delete this wordfilter rule?')) return;
+            try {
+                const res = await fetch('/api/v2/admin/wordfilter/delete', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'X-CSRF-Token': window.f0ckSession?.csrf_token
+                    },
+                    body: JSON.stringify({ id })
+                });
+                const data = await res.json();
+                if (data.success) {
+                    loadRules();
+                } else {
+                    alert('Delete failed: ' + data.msg);
+                }
+            } catch (e) {
+                alert('Error deleting: ' + e.message);
+            }
+        };
+
+        function escapeHtml(str) {
+            if (!str) return '';
+            return str.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#039;");
+        }
+
+        // Initialize view
+        loadRules();
+    </script>
+    </div>
+</div>
+</div>
+@include(snippets/footer)