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13 changed files with 48 additions and 675 deletions

8
.gitignore vendored
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@ -60,9 +60,5 @@ Thumbs.db
*.tmp *.tmp
*.temp *.temp
# Gunicorn # User uploads (if you add file upload functionality)
gunicorn.pid uploads/gunicorn.pid
# Runtime config — contains secrets (SECRET_KEY, admin password hash).
# Copy config.example.json → config.json and fill in your values.
config.json

104
app.py
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@ -1,4 +1,3 @@
import hmac
import json import json
import os import os
import re import re
@ -134,9 +133,7 @@ def init_db():
expires_at TIMESTAMP, expires_at TIMESTAMP,
views INTEGER DEFAULT 0, views INTEGER DEFAULT 0,
deletion_token TEXT, deletion_token TEXT,
discussions_enabled INTEGER DEFAULT 0, discussions_enabled INTEGER DEFAULT 0
burn_after_read INTEGER DEFAULT 0,
burn_token TEXT
) )
''') ''')
# Migration: add deletion_token column to existing table if missing # Migration: add deletion_token column to existing table if missing
@ -145,11 +142,6 @@ def init_db():
# Migration: add discussions_enabled column to existing table if missing # Migration: add discussions_enabled column to existing table if missing
if columns and 'id' in columns and 'discussions_enabled' not in columns: if columns and 'id' in columns and 'discussions_enabled' not in columns:
cursor.execute('ALTER TABLE pastes ADD COLUMN discussions_enabled INTEGER DEFAULT 0') cursor.execute('ALTER TABLE pastes ADD COLUMN discussions_enabled INTEGER DEFAULT 0')
# Migration: add burn_after_read / burn_token columns to existing table if missing
if columns and 'id' in columns and 'burn_after_read' not in columns:
cursor.execute('ALTER TABLE pastes ADD COLUMN burn_after_read INTEGER DEFAULT 0')
if columns and 'id' in columns and 'burn_token' not in columns:
cursor.execute('ALTER TABLE pastes ADD COLUMN burn_token TEXT')
cursor.execute(''' cursor.execute('''
CREATE TABLE IF NOT EXISTS rate_limits ( CREATE TABLE IF NOT EXISTS rate_limits (
ip_address TEXT, ip_address TEXT,
@ -292,6 +284,7 @@ def index():
def create_paste(): def create_paste():
# ── Rate limiting ──────────────────────────────────────────────────────── # ── Rate limiting ────────────────────────────────────────────────────────
# 10 pastes per 10 minutes per IP address (SQLite backed for worker safety) # 10 pastes per 10 minutes per IP address (SQLite backed for worker safety)
# 10 pastes per 10 minutes per IP address (SQLite backed for worker safety)
if not _check_rate_limit(request.remote_addr, key_prefix='create', limit=10): if not _check_rate_limit(request.remote_addr, key_prefix='create', limit=10):
return jsonify({'error': 'Rate limit exceeded. Please wait a few minutes.'}), 429 return jsonify({'error': 'Rate limit exceeded. Please wait a few minutes.'}), 429
@ -300,7 +293,6 @@ def create_paste():
return jsonify({'error': 'JSON body required'}), 400 return jsonify({'error': 'JSON body required'}), 400
discussions_enabled = bool(data.get('discussions', False)) discussions_enabled = bool(data.get('discussions', False))
burn_after_read = bool(data.get('burn_after_read', False))
if 'encrypted_data' in data: if 'encrypted_data' in data:
# Encrypted path — always accepted regardless of encrypt_pastes setting # Encrypted path — always accepted regardless of encrypt_pastes setting
@ -349,7 +341,6 @@ def create_paste():
expires_at = datetime.datetime.now(_UTC) + delta expires_at = datetime.datetime.now(_UTC) + delta
deletion_token = secrets.token_urlsafe(32) deletion_token = secrets.token_urlsafe(32)
burn_token = secrets.token_urlsafe(32) if burn_after_read else None
paste_id = None paste_id = None
conn = get_db_connection() conn = get_db_connection()
try: try:
@ -357,13 +348,8 @@ def create_paste():
paste_id = generate_paste_id() paste_id = generate_paste_id()
try: try:
conn.execute( conn.execute(
'INSERT INTO pastes ' 'INSERT INTO pastes (id, encrypted_data, expires_at, deletion_token, discussions_enabled) VALUES (?, ?, ?, ?, ?)',
'(id, encrypted_data, expires_at, deletion_token, discussions_enabled, burn_after_read, burn_token) ' (paste_id, store_data, expires_at, deletion_token, 1 if discussions_enabled else 0)
'VALUES (?, ?, ?, ?, ?, ?, ?)',
(paste_id, store_data, expires_at, deletion_token,
1 if discussions_enabled else 0,
1 if burn_after_read else 0,
burn_token)
) )
conn.commit() conn.commit()
break break
@ -396,11 +382,10 @@ def delete_paste(paste_id):
if not paste: if not paste:
return jsonify({'error': 'Paste not found'}), 404 return jsonify({'error': 'Paste not found'}), 404
# Verify token — constant-time comparison to prevent timing attacks # Verify token
if not hmac.compare_digest(paste['deletion_token'] or '', token): if paste['deletion_token'] != token:
return jsonify({'error': 'Invalid deletion token'}), 403 return jsonify({'error': 'Invalid deletion token'}), 403
conn.execute('DELETE FROM comments WHERE paste_id = ?', (paste_id,))
conn.execute('DELETE FROM pastes WHERE id = ?', (paste_id,)) conn.execute('DELETE FROM pastes WHERE id = ?', (paste_id,))
conn.commit() conn.commit()
finally: finally:
@ -420,10 +405,7 @@ def view_paste(paste_id):
conn.commit() conn.commit()
finally: finally:
conn.close() conn.close()
burn_after_read = bool(paste['burn_after_read']) return render_template('view.html', paste=paste)
burn_token = paste['burn_token'] if burn_after_read else None
return render_template('view.html', paste=paste,
burn_after_read=burn_after_read, burn_token=burn_token)
@app.route('/<string:paste_id>/raw') @app.route('/<string:paste_id>/raw')
def view_paste_raw(paste_id): def view_paste_raw(paste_id):
@ -523,43 +505,6 @@ def recent_pastes():
conn.close() conn.close()
return render_template('recent.html', pastes=pastes) return render_template('recent.html', pastes=pastes)
# ── Burn-after-read API ───────────────────────────────────────────────────────
_BURN_TOKEN_RE = re.compile(r'^[A-Za-z0-9_-]{20,64}$')
@app.route('/api/burn/<string:paste_id>', methods=['POST'])
def burn_paste(paste_id):
"""Called by the client after successful decryption to destroy a burn-after-read paste."""
if not _PASTE_ID_RE.match(paste_id):
abort(404)
if not _is_same_origin():
return jsonify({'error': 'Cross-Origin request blocked'}), 403
data = request.get_json(silent=True) or {}
token = data.get('burn_token', '')
if not token or not _BURN_TOKEN_RE.match(str(token)):
return jsonify({'error': 'burn_token required'}), 400
conn = get_db_connection()
try:
paste = conn.execute(
'SELECT burn_after_read, burn_token FROM pastes WHERE id = ?', (paste_id,)
).fetchone()
if not paste:
# Already burned or never existed — treat as success (idempotent)
return jsonify({'burned': True})
if not paste['burn_after_read']:
return jsonify({'error': 'This paste is not flagged for burn-after-read'}), 400
# Constant-time comparison prevents timing oracle
if not hmac.compare_digest(paste['burn_token'] or '', token):
return jsonify({'error': 'Invalid burn token'}), 403
conn.execute('DELETE FROM comments WHERE paste_id = ?', (paste_id,))
conn.execute('DELETE FROM pastes WHERE id = ?', (paste_id,))
conn.commit()
finally:
conn.close()
return jsonify({'burned': True})
# ── Comments API ────────────────────────────────────────────────────────────── # ── Comments API ──────────────────────────────────────────────────────────────
_MAX_COMMENT_BYTES = 10240 _MAX_COMMENT_BYTES = 10240
@ -685,12 +630,9 @@ def admin_dashboard():
pastes = conn.execute( pastes = conn.execute(
'SELECT id, created_at, expires_at, views FROM pastes ORDER BY created_at DESC' 'SELECT id, created_at, expires_at, views FROM pastes ORDER BY created_at DESC'
).fetchall() ).fetchall()
active_count = conn.execute(
'SELECT COUNT(*) FROM pastes WHERE expires_at IS NULL OR expires_at > ?', (now,)
).fetchone()[0]
finally: finally:
conn.close() conn.close()
return render_template('admin_dashboard.html', pastes=pastes, active_count=active_count) return render_template('admin_dashboard.html', pastes=pastes)
@app.route('/admin/delete/<string:paste_id>', methods=['POST']) @app.route('/admin/delete/<string:paste_id>', methods=['POST'])
def admin_delete_paste(paste_id): def admin_delete_paste(paste_id):
@ -702,42 +644,12 @@ def admin_delete_paste(paste_id):
conn = get_db_connection() conn = get_db_connection()
try: try:
conn.execute('DELETE FROM comments WHERE paste_id = ?', (paste_id,))
conn.execute('DELETE FROM pastes WHERE id = ?', (paste_id,)) conn.execute('DELETE FROM pastes WHERE id = ?', (paste_id,))
conn.commit() conn.commit()
finally: finally:
conn.close() conn.close()
return redirect(url_for('admin_dashboard')) return redirect(url_for('admin_dashboard'))
@app.route('/admin/bulk_delete', methods=['POST'])
def admin_bulk_delete():
if not is_admin():
abort(403)
if not _is_same_origin():
return jsonify({'error': 'Cross-Origin request blocked'}), 403
data = request.get_json(silent=True) or {}
ids = data.get('ids', [])
if not isinstance(ids, list) or not ids:
return jsonify({'error': 'ids must be a non-empty list'}), 400
# Cap at 500 to prevent abuse
if len(ids) > 500:
return jsonify({'error': 'Too many IDs in one request'}), 400
# Validate every ID to prevent injection
if not all(isinstance(i, str) and _PASTE_ID_RE.match(i) for i in ids):
return jsonify({'error': 'Invalid paste ID in list'}), 400
conn = get_db_connection()
try:
placeholders = ','.join('?' * len(ids))
conn.execute(f'DELETE FROM comments WHERE paste_id IN ({placeholders})', ids)
conn.execute(f'DELETE FROM pastes WHERE id IN ({placeholders})', ids)
conn.commit()
finally:
conn.close()
return jsonify({'deleted': len(ids)})
# ── Error handlers ──────────────────────────────────────────────────────────── # ── Error handlers ────────────────────────────────────────────────────────────
@app.errorhandler(404) @app.errorhandler(404)

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@ -1,5 +1,5 @@
{ {
"_comment": "Bastebin configuration. Copy this file to config.json, fill in your values, and restart the server.", "_comment": "Bastebin configuration. Restart the server after changing values.",
"site": { "site": {
"name": "Bastebin", "name": "Bastebin",
@ -13,13 +13,11 @@
"host": "0.0.0.0", "host": "0.0.0.0",
"port": 5500, "port": 5500,
"debug": false, "debug": false,
"use_https": true, "secret_key": "ce81867ddcc16729b42d7ae0564140e6bcc83bcf5dbbe77b7e5b6c5aa4199347"
"_secret_key_note": "Prefer the SECRET_KEY environment variable. This fallback is used only if the env var is not set.",
"secret_key": "CHANGE-ME-use-a-long-random-string-at-least-32-chars"
}, },
"database": { "database": {
"path": "bastebin.db" "path": "pastebin.db"
}, },
"pastes": { "pastes": {
@ -135,12 +133,9 @@
{"value": "toml", "name": "TOML"}, {"value": "toml", "name": "TOML"},
{"value": "ini", "name": "INI / Config"} {"value": "ini", "name": "INI / Config"}
], ],
"admin": { "admin": {
"enabled": true, "enabled": true,
"_user_note": "Set a strong username — not 'admin'.", "user": "admin",
"user": "your-admin-username", "pass": "scrypt:32768:8:1$WKz9I6qE4hh0paUQ$6fd34e7f0195280f81301a92f5bac26d247f95d64744cb2c6e44108a3d8420eba5343b7b2ba657f39404f4ef102ce2e62a689e7797a43f3169fd69dca7b5b3c7"
"_pass_note": "Generate with: python generate_hash.py yourpassword",
"pass": "REPLACE-WITH-SCRYPT-HASH-FROM-generate_hash.py"
} }
} }

1
gunicorn.pid Normal file
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@ -0,0 +1 @@
32002

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@ -1,104 +0,0 @@
# ── Bastebin — Nginx reverse-proxy configuration ─────────────────────────────
#
# Copy to /etc/nginx/sites-available/bastebin and symlink:
# sudo ln -s /etc/nginx/sites-available/bastebin /etc/nginx/sites-enabled/
# sudo nginx -t && sudo systemctl reload nginx
#
# Assumes:
# - Gunicorn is bound to a Unix socket at /run/bastebin/gunicorn.sock
# - Your TLS certificates are managed by Certbot / Let's Encrypt
# - Static files live at /path/to/bastebin/static/
#
# Replace every occurrence of:
# bastebin.com → your actual domain
# /path/to/bastebin → absolute path to your project directory
server {
listen 80;
listen [::]:80;
server_name bastebin.com www.bastebin.com;
# Redirect all HTTP → HTTPS
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name bastebin.com www.bastebin.com;
# ── TLS (managed by Certbot — do not edit manually) ──────────────────────
ssl_certificate /etc/letsencrypt/live/bastebin.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/bastebin.com/privkey.pem;
include /etc/letsencrypt/options-ssl-nginx.conf;
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
# ── Security headers (supplement Flask's own headers) ────────────────────
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
add_header X-Robots-Tag "noindex, nofollow" always;
# ── Block access to sensitive paths ──────────────────────────────────────
# These should NEVER be served, even accidentally.
location ~* \.(py|json|db|sqlite|sqlite3|log|cfg|ini|toml|env|sh|conf|bak|orig)$ {
deny all;
return 404;
}
# Block dot-files / hidden files (e.g. .env, .git)
location ~ /\. {
deny all;
return 404;
}
# Block __pycache__ and similar Python internals
location ~* /__pycache__/ {
deny all;
return 404;
}
# ── Static files served directly by Nginx (fast path) ───────────────────
# Nginx serves these without hitting Gunicorn at all.
location /static/ {
alias /path/to/bastebin/static/;
# No directory listings
autoindex off;
# Cache busting — serve with long expiry; filename includes hash in prod
expires 7d;
add_header Cache-Control "public, max-age=604800, immutable";
# Only allow known file extensions; block anything else
location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
# Passthrough — let the alias serve it
}
location / {
# Anything under /static/ that doesn't match above is denied
deny all;
return 404;
}
}
# ── Gunicorn (Flask application) ─────────────────────────────────────────
location / {
proxy_pass http://unix:/run/bastebin/gunicorn.sock;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
# Timeouts
proxy_connect_timeout 10s;
proxy_read_timeout 60s;
proxy_send_timeout 60s;
# Body size limit — match config.json max_size_bytes (2 MB) + overhead
client_max_body_size 3m;
}
# ── Logging ───────────────────────────────────────────────────────────────
access_log /var/log/nginx/bastebin.access.log;
error_log /var/log/nginx/bastebin.error.log warn;
}

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@ -411,97 +411,6 @@ pre[class*="language-"], code[class*="language-"] {
.table-responsive { overflow-x: auto; } .table-responsive { overflow-x: auto; }
/* ── Password lock button (active state) ─────────────────────────────── */
.nav-btn-locked {
border-color: var(--primary);
color: var(--primary);
font-weight: 600;
}
.nav-btn-locked:hover { background: var(--primary); color: #fff; }
/* ── Modal overlay ────────────────────────────────────────────────────── */
.modal-overlay {
position: fixed;
inset: 0;
background: rgba(0, 0, 0, 0.55);
display: flex;
align-items: center;
justify-content: center;
z-index: 200;
}
.modal-box {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 1.75rem 2rem;
width: 100%;
max-width: 380px;
box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.modal-title {
font-size: 1.1rem;
margin-bottom: 0.5rem;
}
.modal-desc {
font-size: 0.8rem;
color: var(--text-sub);
margin-bottom: 1.25rem;
line-height: 1.5;
}
.modal-input {
width: 100%;
padding: 0.5rem;
border: 1px solid var(--border);
border-radius: var(--radius);
background: var(--bg);
color: var(--text);
font-size: 0.875rem;
outline: none;
}
.modal-input:focus { border-color: var(--primary); }
.modal-error {
font-size: 0.8rem;
color: var(--danger);
margin-top: 0.5rem;
}
.modal-actions {
display: flex;
gap: 0.5rem;
justify-content: flex-end;
margin-top: 1.25rem;
}
/* ── Admin bulk-delete controls ───────────────────────────────────────── */
.admin-bulk-bar {
display: flex;
align-items: center;
gap: 0.75rem;
margin-bottom: 1rem;
flex-wrap: wrap;
}
.admin-bulk-count {
font-size: 0.82rem;
color: var(--text-muted);
}
.btn-bulk-delete {
background: none;
border: 1px solid var(--danger);
color: var(--danger);
padding: 0.3rem 0.75rem;
border-radius: var(--radius);
cursor: pointer;
font-size: 0.8rem;
font-weight: 600;
}
.btn-bulk-delete:hover { background: var(--danger); color: #fff; }
.btn-bulk-delete:disabled { opacity: 0.4; cursor: default; }
.admin-table td.check-col, .admin-table th.check-col {
width: 2rem;
text-align: center;
padding-left: 0.25rem;
padding-right: 0.25rem;
}
/* ── Discussions panel ────────────────────────────────────────────────── */ /* ── Discussions panel ────────────────────────────────────────────────── */
.discussions-panel { .discussions-panel {
flex-direction: column; flex-direction: column;
@ -605,27 +514,3 @@ pre[class*="language-"], code[class*="language-"] {
width: 100%; width: 100%;
} }
.comment-input:focus { border-color: var(--primary); } .comment-input:focus { border-color: var(--primary); }
/* ── Burn-after-read banner ───────────────────────────────────────────── */
.burn-banner {
display: flex;
align-items: center;
gap: 0.5rem;
padding: 0.55rem 1.5rem;
background: rgba(217, 119, 6, 0.12);
border-bottom: 1px solid rgba(217, 119, 6, 0.35);
color: #92400e;
font-size: 0.82rem;
line-height: 1.4;
animation: burnSlideIn 0.3s ease;
}
[data-theme="dark"] .burn-banner {
background: rgba(245, 158, 11, 0.12);
border-bottom-color: rgba(245, 158, 11, 0.3);
color: #fcd34d;
}
@keyframes burnSlideIn {
from { opacity: 0; transform: translateY(-6px); }
to { opacity: 1; transform: translateY(0); }
}

View File

@ -115,35 +115,6 @@ const PasteCrypto = (function () {
ciphertext ciphertext
); );
return new TextDecoder().decode(decrypted); return new TextDecoder().decode(decrypted);
},
/**
* Derive an AES-GCM key from a password using PBKDF2.
* Returns { key, saltBase64url } store the salt in the URL fragment.
*/
async deriveKeyFromPassword(password, saltBytes = null) {
const salt = saltBytes || window.crypto.getRandomValues(new Uint8Array(16));
const enc = new TextEncoder().encode(password);
const baseKey = await window.crypto.subtle.importKey(
'raw', enc, 'PBKDF2', false, ['deriveKey']
);
const key = await window.crypto.subtle.deriveKey(
{ name: 'PBKDF2', salt, iterations: 200000, hash: 'SHA-256' },
baseKey,
{ name: 'AES-GCM', length: 256 },
false,
['encrypt', 'decrypt']
);
return { key, saltBase64url: arrayBufferToBase64url(salt) };
},
/**
* Re-derive a key from a password and a known salt (base64url string).
*/
async deriveKeyFromPasswordAndSalt(password, saltBase64url) {
const salt = new Uint8Array(base64urlToArrayBuffer(saltBase64url));
const { key } = await this.deriveKeyFromPassword(password, salt);
return key;
} }
}; };
})(); })();

View File

@ -9,67 +9,6 @@ document.addEventListener('DOMContentLoaded', function () {
const submitBtn = document.getElementById('submitBtn'); const submitBtn = document.getElementById('submitBtn');
const langSelect = document.getElementById('language'); const langSelect = document.getElementById('language');
// ── Password modal state ─────────────────────────────────────────────────
let _pendingPassword = null; // set when user locks paste
const passwordBtn = document.getElementById('passwordBtn');
const passwordModal = document.getElementById('passwordModal');
const ppInput = document.getElementById('pastePassword');
const ppConfirm = document.getElementById('pastePasswordConfirm');
const ppError = document.getElementById('passwordModalError');
const ppSave = document.getElementById('passwordModalSave');
const ppCancel = document.getElementById('passwordModalCancel');
const ppClear = document.getElementById('passwordModalClear');
function openPasswordModal() {
ppInput.value = '';
ppConfirm.value = '';
ppError.style.display = 'none';
passwordModal.style.display = 'flex';
ppInput.focus();
}
function closePasswordModal() {
passwordModal.style.display = 'none';
}
function updatePasswordBtn() {
if (_pendingPassword) {
passwordBtn.textContent = '\uD83D\uDD13 Locked';
passwordBtn.classList.add('nav-btn-locked');
} else {
passwordBtn.textContent = '\uD83D\uDD12 Lock';
passwordBtn.classList.remove('nav-btn-locked');
}
}
if (passwordBtn) passwordBtn.addEventListener('click', openPasswordModal);
if (ppCancel) ppCancel.addEventListener('click', closePasswordModal);
if (ppClear) {
ppClear.addEventListener('click', () => {
_pendingPassword = null;
updatePasswordBtn();
closePasswordModal();
});
}
if (ppSave) {
ppSave.addEventListener('click', () => {
const pw = ppInput.value;
const pw2 = ppConfirm.value;
if (!pw) { ppError.textContent = 'Password cannot be empty.'; ppError.style.display = 'block'; return; }
if (pw !== pw2) { ppError.textContent = 'Passwords do not match.'; ppError.style.display = 'block'; return; }
_pendingPassword = pw;
updatePasswordBtn();
closePasswordModal();
});
}
// Close modal on overlay click
if (passwordModal) {
passwordModal.addEventListener('click', (e) => { if (e.target === passwordModal) closePasswordModal(); });
}
// Allow Enter to confirm password modal
[ppInput, ppConfirm].forEach(el => {
if (el) el.addEventListener('keydown', e => { if (e.key === 'Enter') ppSave?.click(); });
});
// ── Load languages from API ────────────────────────────────────────────── // ── Load languages from API ──────────────────────────────────────────────
fetch('/api/languages') fetch('/api/languages')
.then(r => r.json()) .then(r => r.json())
@ -105,9 +44,6 @@ document.addEventListener('DOMContentLoaded', function () {
localStorage.setItem('preferred_discussions', discussCheck.checked)); localStorage.setItem('preferred_discussions', discussCheck.checked));
} }
// Burn-after-read — intentionally NOT persisted to localStorage.
const burnCheck = document.getElementById('burnAfterRead');
// ── Ctrl/Cmd+S shortcut ────────────────────────────────────────────────── // ── Ctrl/Cmd+S shortcut ──────────────────────────────────────────────────
document.addEventListener('keydown', e => { document.addEventListener('keydown', e => {
if ((e.ctrlKey || e.metaKey) && e.key === 's') { if ((e.ctrlKey || e.metaKey) && e.key === 's') {
@ -154,8 +90,7 @@ document.addEventListener('DOMContentLoaded', function () {
// Read E2E flag from the already-loaded config (fetched by app.js at startup). // Read E2E flag from the already-loaded config (fetched by app.js at startup).
// By the time the user clicks Save, window.PBCFG is guaranteed to be populated. // By the time the user clicks Save, window.PBCFG is guaranteed to be populated.
const E2E = window.PBCFG?.features?.encrypt_pastes ?? true; const E2E = window.PBCFG?.features?.encrypt_pastes ?? true;
const discussions = document.getElementById('allowDiscussions')?.checked ?? false; const discussions = document.getElementById('allowDiscussions')?.checked ?? false;
const burn_after_read = burnCheck?.checked ?? false;
submitBtn.disabled = true; submitBtn.disabled = true;
submitBtn.textContent = '…'; submitBtn.textContent = '…';
@ -163,25 +98,13 @@ document.addEventListener('DOMContentLoaded', function () {
try { try {
let postBody, keyBase64 = null; let postBody, keyBase64 = null;
if (E2E) { if (E2E) {
let key, fragmentValue; const keyLen = window.PBCFG?.pastes?.encryption_key_bits ?? 128;
if (_pendingPassword) { const key = await PasteCrypto.generateKey(keyLen);
// Password-based: derive key from password via PBKDF2. keyBase64 = await PasteCrypto.exportKey(key);
// Fragment is "p:<salt>" — no raw key in the URL. const plain = JSON.stringify({ title, content, language, discussions });
const { key: derivedKey, saltBase64url } = await PasteCrypto.deriveKeyFromPassword(_pendingPassword); postBody = { encrypted_data: await PasteCrypto.encrypt(plain, key), expires_in, discussions };
key = derivedKey;
fragmentValue = 'p:' + saltBase64url;
} else {
// Normal: random key, fragment is the key itself.
const keyLen = window.PBCFG?.pastes?.encryption_key_bits ?? 128;
key = await PasteCrypto.generateKey(keyLen);
keyBase64 = await PasteCrypto.exportKey(key);
fragmentValue = keyBase64;
}
const plain = JSON.stringify({ title, content, language, discussions, password_protected: !!_pendingPassword });
postBody = { encrypted_data: await PasteCrypto.encrypt(plain, key), expires_in, discussions, burn_after_read };
keyBase64 = fragmentValue;
} else { } else {
postBody = { title, content, language, expires_in, discussions, burn_after_read }; postBody = { title, content, language, expires_in, discussions };
} }
const resp = await fetch('/create', { const resp = await fetch('/create', {

View File

@ -10,7 +10,6 @@
let _decryptedPaste = null; let _decryptedPaste = null;
let _pasteIsEncrypted = false; let _pasteIsEncrypted = false;
let _keyBase64 = null; let _keyBase64 = null;
let _burnMeta = { burn_after_read: false, burn_token: null };
document.addEventListener('DOMContentLoaded', async () => { document.addEventListener('DOMContentLoaded', async () => {
let rawPayload; let rawPayload;
@ -23,12 +22,6 @@ document.addEventListener('DOMContentLoaded', async () => {
return; return;
} }
// Read burn-after-read metadata
try {
const burnIsland = document.getElementById('burnMeta');
if (burnIsland) _burnMeta = JSON.parse(burnIsland.textContent);
} catch (e) { /* non-fatal */ }
// Detect format from the data itself. // Detect format from the data itself.
// Encrypted pastes: "base64url:base64url" string. // Encrypted pastes: "base64url:base64url" string.
// Plaintext pastes: a JSON object. // Plaintext pastes: a JSON object.
@ -36,45 +29,22 @@ document.addEventListener('DOMContentLoaded', async () => {
/^[A-Za-z0-9_-]+:[A-Za-z0-9_-]+$/.test(rawPayload); /^[A-Za-z0-9_-]+:[A-Za-z0-9_-]+$/.test(rawPayload);
if (isEncrypted) { if (isEncrypted) {
const fragment = window.location.hash.slice(1); const keyBase64 = window.location.hash.slice(1);
if (!fragment) { if (!keyBase64) {
showError('No Key', showError('No Key',
'The decryption key is missing from the URL. ' + 'The decryption key is missing from the URL. ' +
'Use the full link including the # part.'); 'Use the full link including the # part.');
return; return;
} }
try {
if (fragment.startsWith('p:')) { const key = await PasteCrypto.importKey(keyBase64);
// Password-protected paste — show password prompt const plaintext = await PasteCrypto.decrypt(rawPayload, key);
const saltBase64url = fragment.slice(2); _decryptedPaste = JSON.parse(plaintext);
showPasswordPrompt(async (password) => { _pasteIsEncrypted = true;
try { _keyBase64 = keyBase64;
const key = await PasteCrypto.deriveKeyFromPasswordAndSalt(password, saltBase64url); } catch (e) {
const plaintext = await PasteCrypto.decrypt(rawPayload, key); showError('Decryption Failed', 'Wrong key or tampered data.');
_decryptedPaste = JSON.parse(plaintext); return;
_pasteIsEncrypted = true;
_keyBase64 = null; // no shareable key for password-protected pastes
finishRender();
scheduleBurn();
} catch (e) {
return false; // signal wrong password
}
return true;
});
} else {
// Normal key in fragment
try {
const key = await PasteCrypto.importKey(fragment);
const plaintext = await PasteCrypto.decrypt(rawPayload, key);
_decryptedPaste = JSON.parse(plaintext);
_pasteIsEncrypted = true;
_keyBase64 = fragment;
} catch (e) {
showError('Decryption Failed', 'Wrong key or tampered data.');
return;
}
finishRender();
scheduleBurn();
} }
} else { } else {
// Plaintext paste — rawPayload is already the parsed JSON object. // Plaintext paste — rawPayload is already the parsed JSON object.
@ -86,54 +56,16 @@ document.addEventListener('DOMContentLoaded', async () => {
showError('Bad Data', 'Could not parse paste data.'); showError('Bad Data', 'Could not parse paste data.');
return; return;
} }
finishRender();
scheduleBurn();
}
});
function showPasswordPrompt(onSubmit) {
const overlay = document.getElementById('passwordPrompt');
const input = document.getElementById('viewPassword');
const submitBtn = document.getElementById('ppSubmit');
const errEl = document.getElementById('ppError');
if (!overlay) return;
overlay.style.display = 'flex';
input.value = '';
errEl.style.display = 'none';
setTimeout(() => input.focus(), 50);
async function attempt() {
const password = input.value;
if (!password) { input.focus(); return; }
submitBtn.disabled = true;
submitBtn.textContent = '…';
errEl.style.display = 'none';
const ok = await onSubmit(password);
if (ok) {
overlay.style.display = 'none';
} else {
errEl.style.display = 'block';
submitBtn.disabled = false;
submitBtn.textContent = 'Decrypt';
input.value = '';
input.focus();
}
} }
submitBtn.addEventListener('click', attempt);
input.addEventListener('keydown', e => { if (e.key === 'Enter') attempt(); });
}
function finishRender() {
renderPaste(_decryptedPaste); renderPaste(_decryptedPaste);
initPasteActions(); initPasteActions();
initLineHighlight(); initLineHighlight(); // register Prism hook before initLineNumbers triggers Prism
initLineNumbers(); initLineNumbers();
initWordWrap(); initWordWrap();
initDiscussions(); initDiscussions();
initDeletion(); initDeletion();
} });
function initPasteActions() { function initPasteActions() {
const rawBtn = document.getElementById('rawBtn'); const rawBtn = document.getElementById('rawBtn');
@ -207,41 +139,6 @@ function showError(title, detail) {
document.getElementById('errorState').style.display = 'block'; document.getElementById('errorState').style.display = 'block';
} }
// ── Burn-after-read ────────────────────────────────────────────────────────────────────
function showBurnBanner() {
const existing = document.getElementById('burnBanner');
if (existing) return;
const banner = document.createElement('div');
banner.id = 'burnBanner';
banner.className = 'burn-banner';
banner.innerHTML = '🔥 <strong>This paste will self-destruct</strong> after you view it. Copy what you need now.';
// Insert at the top of main
const main = document.querySelector('main');
if (main) main.insertBefore(banner, main.firstChild);
}
async function scheduleBurn() {
if (!_burnMeta?.burn_after_read || !_burnMeta?.burn_token) return;
showBurnBanner();
const pasteId = window.location.pathname.split('/').pop();
const token = _burnMeta.burn_token;
// Give the user a moment to see the content before the request fires.
// The paste is already rendered; a brief delay is user-friendly but not a security gate.
await new Promise(r => setTimeout(r, 1500));
try {
await fetch(`/api/burn/${pasteId}`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ burn_token: token }),
});
} catch (e) {
// Fire-and-forget — if it fails (e.g. offline), the server-side
// cleanup cron will eventually remove it, or the next viewer burns it.
console.warn('[Burn] Request failed:', e);
}
}
function rawView() { function rawView() {
const key = window.location.hash; const key = window.location.hash;
const url = window.location.href.split('?')[0].split('#')[0] + '/raw' + key; const url = window.location.href.split('?')[0].split('#')[0] + '/raw' + key;

View File

@ -12,19 +12,13 @@
<div class="admin-container"> <div class="admin-container">
<div class="admin-header"> <div class="admin-header">
<h1>Global Paste Management</h1> <h1>Global Paste Management</h1>
<p>Active Pastes: <strong>{{ active_count }}</strong> &nbsp;|&nbsp; Total in DB (inc. expired): {{ pastes|length }}</p> <p>Total Pastes: {{ pastes|length }}</p>
</div>
<div class="admin-bulk-bar">
<button class="btn-bulk-delete" id="bulkDeleteBtn" disabled>Delete Selected</button>
<span class="admin-bulk-count" id="bulkCount">0 selected</span>
</div> </div>
<div class="table-responsive"> <div class="table-responsive">
<table class="admin-table" id="adminTable"> <table class="admin-table">
<thead> <thead>
<tr> <tr>
<th class="check-col"><input type="checkbox" id="selectAll" title="Select all"></th>
<th>ID</th> <th>ID</th>
<th>Created</th> <th>Created</th>
<th>Expires</th> <th>Expires</th>
@ -35,7 +29,6 @@
<tbody> <tbody>
{% for paste in pastes %} {% for paste in pastes %}
<tr> <tr>
<td class="check-col"><input type="checkbox" class="row-check" value="{{ paste.id }}"></td>
<td><a href="{{ url_for('view_paste', paste_id=paste.id) }}" target="_blank"><code>{{ paste.id }}</code></a></td> <td><a href="{{ url_for('view_paste', paste_id=paste.id) }}" target="_blank"><code>{{ paste.id }}</code></a></td>
<td>{{ paste.created_at }}</td> <td>{{ paste.created_at }}</td>
<td>{{ paste.expires_at or 'Never' }}</td> <td>{{ paste.expires_at or 'Never' }}</td>
@ -51,64 +44,4 @@
</table> </table>
</div> </div>
</div> </div>
<script nonce="{{ csp_nonce }}">
(function () {
const selectAll = document.getElementById('selectAll');
const bulkDeleteBtn = document.getElementById('bulkDeleteBtn');
const bulkCount = document.getElementById('bulkCount');
function getChecked() {
return [...document.querySelectorAll('.row-check:checked')];
}
function updateBulkBar() {
const checked = getChecked();
bulkCount.textContent = checked.length + ' selected';
bulkDeleteBtn.disabled = checked.length === 0;
const all = document.querySelectorAll('.row-check');
selectAll.indeterminate = checked.length > 0 && checked.length < all.length;
selectAll.checked = all.length > 0 && checked.length === all.length;
}
document.querySelectorAll('.row-check').forEach(cb =>
cb.addEventListener('change', updateBulkBar)
);
selectAll.addEventListener('change', function () {
document.querySelectorAll('.row-check').forEach(cb => cb.checked = this.checked);
updateBulkBar();
});
bulkDeleteBtn.addEventListener('click', async function () {
const checked = getChecked();
if (!checked.length) return;
if (!confirm('Delete ' + checked.length + ' paste(s) permanently?')) return;
bulkDeleteBtn.disabled = true;
bulkDeleteBtn.textContent = 'Deleting…';
const ids = checked.map(cb => cb.value);
try {
const resp = await fetch('{{ url_for("admin_bulk_delete") }}', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ ids }),
});
if (resp.ok) {
window.location.reload();
} else {
const data = await resp.json().catch(() => ({}));
alert('Error: ' + (data.error || resp.status));
bulkDeleteBtn.disabled = false;
bulkDeleteBtn.textContent = 'Delete Selected';
}
} catch (e) {
alert('Request failed. Please try again.');
bulkDeleteBtn.disabled = false;
bulkDeleteBtn.textContent = 'Delete Selected';
}
});
})();
</script>
{% endblock %} {% endblock %}

View File

@ -17,10 +17,6 @@
<label class="nav-label" title="Allow discussions on this paste"> <label class="nav-label" title="Allow discussions on this paste">
<input type="checkbox" id="allowDiscussions"> Discuss <input type="checkbox" id="allowDiscussions"> Discuss
</label> </label>
<label class="nav-label" title="Delete this paste the moment it is first opened">
<input type="checkbox" id="burnAfterRead"> 🔥 Burn
</label>
<button id="passwordBtn" class="nav-btn" title="Set a password for this paste">&#x1F512; Lock</button>
<button id="submitBtn" class="nav-btn nav-btn-save">Save</button> <button id="submitBtn" class="nav-btn nav-btn-save">Save</button>
{% if cfg.theme.allow_user_toggle %} {% if cfg.theme.allow_user_toggle %}
<button id="themeToggle" class="theme-toggle">🌙</button> <button id="themeToggle" class="theme-toggle">🌙</button>
@ -28,26 +24,6 @@
{% endblock %} {% endblock %}
{% block content %} {% block content %}
<div id="passwordModal" class="modal-overlay" style="display:none" role="dialog" aria-modal="true" aria-labelledby="passwordModalTitle">
<div class="modal-box">
<h2 id="passwordModalTitle" class="modal-title">&#x1F512; Password Protect</h2>
<p class="modal-desc">The password is never sent to the server. Anyone viewing this paste will need it to decrypt.</p>
<div class="form-group">
<label for="pastePassword">Password</label>
<input type="password" id="pastePassword" class="modal-input" placeholder="Enter password…" autocomplete="new-password">
</div>
<div class="form-group">
<label for="pastePasswordConfirm">Confirm Password</label>
<input type="password" id="pastePasswordConfirm" class="modal-input" placeholder="Confirm password…" autocomplete="new-password">
</div>
<div id="passwordModalError" class="modal-error" style="display:none"></div>
<div class="modal-actions">
<button id="passwordModalClear" class="btn">Remove Lock</button>
<button id="passwordModalCancel" class="btn">Cancel</button>
<button id="passwordModalSave" class="btn btn-primary">Set Password</button>
</div>
</div>
</div>
<textarea <textarea
id="content" id="content"
class="full-editor" class="full-editor"

View File

@ -21,21 +21,8 @@
{% endif %} {% endif %}
{% endblock %} {% endblock %}
{% block content %}<div id="passwordPrompt" class="modal-overlay" style="display:none" role="dialog" aria-modal="true" aria-labelledby="ppTitle"> {% block content %}
<div class="modal-box"> <div id="errorState" class="error-inline" style="display:none">
<h2 id="ppTitle" class="modal-title">&#x1F512; Password Required</h2>
<p class="modal-desc">This paste is password protected. Enter the password to view it.</p>
<div class="form-group">
<label for="viewPassword">Password</label>
<input type="password" id="viewPassword" class="modal-input" placeholder="Enter password…" autocomplete="current-password">
</div>
<div id="ppError" class="modal-error" style="display:none">Incorrect password or corrupted data.</div>
<div class="modal-actions">
<a href="/" class="btn">Cancel</a>
<button id="ppSubmit" class="btn btn-primary">Decrypt</button>
</div>
</div>
</div><div id="errorState" class="error-inline" style="display:none">
🔐 <strong id="errorTitle">Decryption Failed</strong><span id="errorDetail"></span> 🔐 <strong id="errorTitle">Decryption Failed</strong><span id="errorDetail"></span>
</div> </div>
<div class="view-full" id="viewFull" style="display:none"> <div class="view-full" id="viewFull" style="display:none">
@ -58,7 +45,6 @@
</div> </div>
</div> </div>
<script type="application/json" id="encryptedPayload">{{ paste.encrypted_data | tojson }}</script> <script type="application/json" id="encryptedPayload">{{ paste.encrypted_data | tojson }}</script>
<script type="application/json" id="burnMeta">{{ {'burn_after_read': burn_after_read, 'burn_token': burn_token} | tojson }}</script>
{% endblock %} {% endblock %}
{% block scripts %} {% block scripts %}

View File

@ -1,4 +1,6 @@
from app import app from app import app, init_db
init_db()
if __name__ == '__main__': if __name__ == '__main__':
app.run() app.run()