add option to edit/delete direct mssages and dynamic expiry date for attachments via config

config_example.json

@@ -62,6 +62,7 @@
     "enable_danmaku": true,
     "private_messages": true,
     "dm_attachments": true,
+    "dm_attachment_expiry_days": 90,
     "halls_enabled": true,
     "userhalls_enabled": true,
     "enable_userhall_image_upload": true,

migrations/f0ckm_schema.sql

@@ -2770,11 +2770,15 @@ CREATE TABLE IF NOT EXISTS public.dm_attachments (
     mime_hint     text NOT NULL DEFAULT '',
     size_bytes    integer NOT NULL DEFAULT 0,
     created_at    timestamp with time zone DEFAULT now(),
-    expires_at    timestamp with time zone DEFAULT (now() + interval '30 days')
+    expires_at    timestamp with time zone DEFAULT (now() + interval '90 days')
 );
 
 CREATE INDEX IF NOT EXISTS idx_dm_att_sender    ON public.dm_attachments(sender_id);
 CREATE INDEX IF NOT EXISTS idx_dm_att_recipient ON public.dm_attachments(recipient_id);
 CREATE INDEX IF NOT EXISTS idx_dm_att_expires   ON public.dm_attachments(expires_at);
 
+-- DM message edit/delete support (Migration 006)
+ALTER TABLE private_messages
+    ADD COLUMN IF NOT EXISTS edited_at timestamp with time zone DEFAULT NULL;
+
 \unrestrict RMNKNzVQLV2ZcwmM3bmhglTot5nRoju9FmRyi3eUMfNy6iJUBfHRIgXnbrpJikG

public/s/css/f0ckm.css

@@ -11030,6 +11030,109 @@ body.layout-modern .tag-controls {
   font-size: 0.88em;
 }
 
+/* ── Message edit / delete actions ─────────────────────── */
+.dm-msg {
+  position: relative;
+}
+
+.dm-msg-actions {
+  display: flex;
+  gap: 4px;
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 0.15s;
+  margin-top: 1px;
+}
+
+.dm-msg:hover .dm-msg-actions,
+.dm-msg:focus-within .dm-msg-actions {
+  opacity: 1;
+  pointer-events: auto;
+}
+
+.dm-msg-action-btn {
+  background: none;
+  border: none;
+  color: #555;
+  cursor: pointer;
+  font-size: 0.78em;
+  padding: 2px 5px;
+  border-radius: 4px;
+  line-height: 1;
+  transition: color 0.12s, background 0.12s;
+}
+
+.dm-msg-action-btn:hover {
+  color: var(--fg, #ddd);
+  background: rgba(255,255,255,0.07);
+}
+
+.dm-msg-action-btn[data-action="delete"]:hover {
+  color: #e55;
+}
+
+/* Inline edit textarea */
+.dm-edit-wrap {
+  width: 100%;
+}
+
+.dm-edit-textarea {
+  width: 100%;
+  min-height: 60px;
+  background: rgba(255,255,255,0.05);
+  border: 1px solid rgba(255,255,255,0.15);
+  border-radius: 6px;
+  color: var(--fg, #ddd);
+  font: inherit;
+  font-size: 0.92em;
+  padding: 6px 8px;
+  resize: vertical;
+  box-sizing: border-box;
+}
+
+.dm-edit-actions {
+  display: flex;
+  gap: 6px;
+  margin-top: 5px;
+}
+
+.dm-edit-save,
+.dm-edit-cancel {
+  font-size: 0.8em;
+  padding: 3px 10px;
+  border-radius: 5px;
+  border: none;
+  cursor: pointer;
+}
+
+.dm-edit-save {
+  background: var(--badge-bg, #4a90d9);
+  color: #fff;
+}
+
+.dm-edit-cancel {
+  background: rgba(255,255,255,0.08);
+  color: var(--fg, #ddd);
+}
+
+/* (edited) badge */
+.dm-edited {
+  color: #555;
+  font-size: 0.85em;
+  margin-left: 3px;
+}
+
+/* Delete fade-out */
+@keyframes dm-msg-fade-out {
+  to { opacity: 0; transform: scaleY(0); max-height: 0; margin: 0; padding: 0; overflow: hidden; }
+}
+
+.dm-msg-deleting {
+  animation: dm-msg-fade-out 0.25s ease forwards;
+  transform-origin: top;
+  overflow: hidden;
+}
+
 /* ── Send form ───────────────────────────────────────────── */
 .dm-send-form {
   gap: 8px;

public/s/js/messages.js

@@ -710,9 +710,29 @@ if (window.__dmLoaded) {
         const hasEmbed = content.includes('yt-embed-wrap');
         div.className = `dm-msg ${isMine ? 'dm-msg-mine' : 'dm-msg-theirs'}${hasEmbed ? ' dm-has-embed' : ''}`;
         div.dataset.msgId = m.id;
+        if (m.plaintext) div.dataset.plaintext = m.plaintext;
 
         const time      = timeAgo(m.created_at);
-        div.innerHTML = `<div class="dm-bubble comment-content">${content}</div><span class="dm-msg-time" data-ts="${escHtml(m.created_at)}">${escHtml(time)}</span>`;
+        const editedBit = m.edited_at ? ' <span class="dm-edited">(edited)</span>' : '';
+        div.innerHTML =
+            `<div class="dm-bubble comment-content">${content}</div>` +
+            `<span class="dm-msg-time" data-ts="${escHtml(m.created_at)}">${escHtml(time)}${editedBit}</span>`;
+
+        if (isMine) {
+            const actions = document.createElement('div');
+            actions.className = 'dm-msg-actions';
+            actions.innerHTML =
+                `<button class="dm-msg-action-btn" data-action="edit"  title="Edit"><i class="fa-solid fa-pen-to-square"></i></button>` +
+                `<button class="dm-msg-action-btn" data-action="delete" title="Delete"><i class="fa-solid fa-trash"></i></button>`;
+            actions.addEventListener('click', async (e) => {
+                const btn    = e.target.closest('[data-action]');
+                if (!btn) return;
+                const action = btn.dataset.action;
+                if (action === 'edit')   editDmMessage(m, div);
+                if (action === 'delete') deleteDmMessage(m, div);
+            });
+            div.appendChild(actions);
+        }
 
         // Async: extract post IDs from raw plaintext and inject preview cards into the bubble
         if (m.plaintext) resolvePostPreviews(div, m.plaintext);
@@ -723,6 +743,127 @@ if (window.__dmLoaded) {
         return div;
     }
 
+    async function editDmMessage(m, div) {
+        if (div.dataset.editing === 'true') return;
+        if (!m.plaintext) { showFlashMsg('Cannot edit — message could not be decrypted', 'error'); return; }
+        div.dataset.editing = 'true';
+
+        const bubble = div.querySelector('.dm-bubble');
+        const origHtml = bubble.innerHTML;
+
+        const wrap = document.createElement('div');
+        wrap.className = 'dm-edit-wrap';
+
+        const ta = document.createElement('textarea');
+        ta.className = 'dm-edit-textarea';
+        ta.value = m.plaintext;
+
+        const actions = document.createElement('div');
+        actions.className = 'dm-edit-actions';
+
+        const saveBtn   = document.createElement('button');
+        saveBtn.className = 'dm-edit-save';
+        saveBtn.textContent = 'Save';
+
+        const cancelBtn = document.createElement('button');
+        cancelBtn.className = 'dm-edit-cancel';
+        cancelBtn.textContent = 'Cancel';
+
+        actions.append(saveBtn, cancelBtn);
+        wrap.append(ta, actions);
+        bubble.innerHTML = '';
+        bubble.appendChild(wrap);
+        ta.focus();
+
+        cancelBtn.addEventListener('click', () => {
+            bubble.innerHTML = origHtml;
+            div.dataset.editing = '';
+        });
+
+        saveBtn.addEventListener('click', async () => {
+            const newText = ta.value.trim();
+            if (!newText || newText === m.plaintext) {
+                bubble.innerHTML = origHtml;
+                div.dataset.editing = '';
+                return;
+            }
+            if (!currentOtherPubKey) { showFlashMsg('Cannot encrypt: no key', 'error'); return; }
+
+            saveBtn.disabled = true;
+            saveBtn.textContent = '…';
+            try {
+                const sharedKey   = await deriveSharedKey(_privateKey, currentOtherPubKey);
+                const { iv: newIv, ciphertext: newCt } = await encryptMessage(sharedKey, newText);
+
+                const res = await fetch(`/api/dm/message/${m.id}`, {
+                    method: 'PATCH',
+                    headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRF-Token': csrfToken() },
+                    body: new URLSearchParams({ ciphertext: newCt, iv: newIv })
+                });
+                const data = await res.json();
+                if (!data.success) { showFlashMsg('Edit failed: ' + (data.msg || res.status), 'error'); return; }
+
+                // Update in-memory plaintext and re-render bubble
+                m.plaintext  = newText;
+                m.edited_at  = data.edited_at || new Date().toISOString();
+                div.dataset.plaintext = newText;
+
+                const newContent = renderDmContent(newText).trimEnd();
+                const editedBit  = '<span class="dm-edited">(edited)</span>';
+                bubble.innerHTML = newContent;
+
+                // Update the time span
+                const timeEl = div.querySelector('.dm-msg-time');
+                if (timeEl) timeEl.innerHTML = escHtml(timeAgo(m.created_at)) + ' ' + editedBit;
+
+                if (m.plaintext) resolvePostPreviews(div, m.plaintext);
+                if (m.plaintext && m.plaintext.includes('[attachment:')) resolveAttachments(div, m.plaintext);
+            } catch (e) {
+                showFlashMsg('Edit error: ' + e.message, 'error');
+            } finally {
+                div.dataset.editing = '';
+                saveBtn.disabled = false;
+            }
+        });
+    }
+
+    async function deleteDmMessage(m, div) {
+        if (div.dataset.deleting === 'true') return;
+        div.dataset.deleting = 'true';
+
+        // Extract attachment IDs from plaintext sentinels
+        const attachmentIds = [];
+        if (m.plaintext) {
+            for (const att of parseAttachmentSentinels(m.plaintext)) {
+                const id = parseInt(att.id, 10);
+                if (id) attachmentIds.push(id);
+            }
+        }
+
+        try {
+            const body = new URLSearchParams();
+            attachmentIds.forEach(id => body.append('attachment_ids[]', id));
+
+            const res = await fetch(`/api/dm/message/${m.id}`, {
+                method: 'DELETE',
+                headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRF-Token': csrfToken() },
+                body
+            });
+            const data = await res.json();
+            if (!data.success) {
+                showFlashMsg('Delete failed: ' + (data.msg || res.status), 'error');
+                div.dataset.deleting = '';
+                return;
+            }
+
+            div.classList.add('dm-msg-deleting');
+            div.addEventListener('animationend', () => div.remove(), { once: true });
+        } catch (e) {
+            showFlashMsg('Delete error: ' + e.message, 'error');
+            div.dataset.deleting = '';
+        }
+    }
+
     // ── Post link preview cards ───────────────────────────────────────────────
     // Extracts item IDs from the raw plaintext (immune to rendering pipeline
     // variations: marked / commentSystem / plain-text fallback), then appends

src/dm_attachment_handler.mjs

@@ -16,7 +16,7 @@ import db from './inc/sql.mjs';
 import lib from './inc/lib.mjs';
 import cfg from './inc/config.mjs';
 import { collectBody } from './inc/multipart.mjs';
-import { getDmAttachments } from './inc/settings.mjs';
+import { getDmAttachments, getDmAttachmentExpiryDays } from './inc/settings.mjs';
 
 // ─── Config ──────────────────────────────────────────────────────────────────
 
@@ -165,6 +165,7 @@ export async function handleDmAttachmentUpload(req, res, recipientId) {
 
     try {
         // Insert DB record first to get an ID
+        const expiresAt = new Date(Date.now() + getDmAttachmentExpiryDays() * 86400000);
         const [row] = await db`
             INSERT INTO dm_attachments ${db({
                 sender_id:     session.id,
@@ -173,7 +174,8 @@ export async function handleDmAttachmentUpload(req, res, recipientId) {
                 file_path:     '',
                 original_name: originalName,
                 mime_hint:     mimeHint,
-                size_bytes:    sizeBytes
+                size_bytes:    sizeBytes,
+                expires_at:    expiresAt
             })}
             RETURNING id
         `;

src/inc/routes/messages.mjs

@@ -209,7 +209,8 @@ export default (router, tpl) => {
                     pm.ciphertext,
                     pm.iv,
                     pm.is_read,
-                    pm.created_at
+                    pm.created_at,
+                    pm.edited_at
                 FROM private_messages pm
                 WHERE (
                     (pm.sender_id = ${req.session.id} AND pm.recipient_id = ${otherId})
@@ -312,6 +313,81 @@ export default (router, tpl) => {
         }
     });
 
+    // Edit own message (re-encrypt in browser, send new ciphertext + iv)
+    router.patch(/\/api\/dm\/message\/(?<msgId>\d+)/, async (req, res) => {
+        if (!getPrivateMessages()) return json(res, { success: false, msg: 'Not found' }, 404);
+        if (!req.session) return json(res, { success: false, msg: 'Unauthorized' }, 401);
+
+        const csrf = req.headers['x-csrf-token'];
+        if (!csrf || csrf !== req.session.csrf_token) return json(res, { success: false, msg: 'CSRF mismatch' }, 403);
+
+        const msgId = parseInt(req.params.msgId, 10);
+        const body  = req.post || {};
+        const { ciphertext, iv } = body;
+
+        if (!ciphertext || !iv || typeof ciphertext !== 'string' || typeof iv !== 'string') {
+            return json(res, { success: false, msg: 'Missing ciphertext or iv' }, 400);
+        }
+        if (ciphertext.length > 65536 || iv.length > 32) {
+            return json(res, { success: false, msg: 'Payload too large' }, 413);
+        }
+
+        try {
+            const result = await db`
+                UPDATE private_messages
+                SET ciphertext = ${ciphertext}, iv = ${iv}, edited_at = NOW()
+                WHERE id = ${msgId} AND sender_id = ${req.session.id}
+                RETURNING id, edited_at
+            `;
+            if (!result.length) return json(res, { success: false, msg: 'Not found or not yours' }, 404);
+            return json(res, { success: true, id: result[0].id, edited_at: result[0].edited_at });
+        } catch (err) {
+            console.error('[DM] edit message failed:', err);
+            return json(res, { success: false, msg: 'DB error' }, 500);
+        }
+    });
+
+    // Delete own message (and optionally its attachment blobs)
+    router.delete(/\/api\/dm\/message\/(?<msgId>\d+)/, async (req, res) => {
+        if (!getPrivateMessages()) return json(res, { success: false, msg: 'Not found' }, 404);
+        if (!req.session) return json(res, { success: false, msg: 'Unauthorized' }, 401);
+
+        const csrf = req.headers['x-csrf-token'];
+        if (!csrf || csrf !== req.session.csrf_token) return json(res, { success: false, msg: 'CSRF mismatch' }, 403);
+
+        const msgId = parseInt(req.params.msgId, 10);
+        const body  = req.post || {};
+        const rawIds = body['attachment_ids[]'] ?? body.attachment_ids;
+        const attachmentIds = (Array.isArray(rawIds) ? rawIds : rawIds ? [rawIds] : [])
+            .map(Number).filter(n => Number.isFinite(n) && n > 0);
+
+        // Verify message belongs to sender
+        const rows = await db`SELECT id FROM private_messages WHERE id = ${msgId} AND sender_id = ${req.session.id} LIMIT 1`;
+        if (!rows.length) return json(res, { success: false, msg: 'Not found or not yours' }, 404);
+
+        try {
+            // Clean up attachments the client identified (verify sender ownership server-side)
+            if (attachmentIds.length) {
+                const { promises: fsP } = await import('fs');
+                const atts = await db`
+                    SELECT id, file_path FROM dm_attachments
+                    WHERE id = ANY(${attachmentIds}) AND sender_id = ${req.session.id}
+                `;
+                for (const att of atts) await fsP.unlink(att.file_path).catch(() => {});
+                if (atts.length) {
+                    const ids = atts.map(a => a.id);
+                    await db`DELETE FROM dm_attachments WHERE id = ANY(${ids})`;
+                }
+            }
+
+            await db`DELETE FROM private_messages WHERE id = ${msgId} AND sender_id = ${req.session.id}`;
+            return json(res, { success: true });
+        } catch (err) {
+            console.error('[DM] delete message failed:', err);
+            return json(res, { success: false, msg: 'DB error' }, 500);
+        }
+    });
+
     // Hide a whole conversation (Close DM)
     router.post(/\/api\/dm\/conversation\/(?<userId>\d+)\/delete/, async (req, res) => {
         if (!getPrivateMessages()) return json(res, { success: false, msg: 'Not found' }, 404);

src/inc/settings.mjs

@@ -63,6 +63,11 @@ export const setPrivateMessages = (val) => private_messages = !!val;
 export const getDmAttachments = () => dm_attachments;
 export const setDmAttachments = (val) => dm_attachments = !!val;
 
+export const getDmAttachmentExpiryDays = () => {
+    const v = parseInt(cfg.websrv.dm_attachment_expiry_days);
+    return (Number.isFinite(v) && v > 0) ? v : 90;
+};
+
 export const getDefaultLayout = () => default_layout;
 export const setDefaultLayout = (val) => default_layout = (val === 'legacy' ? 'legacy' : 'modern');