423 lines
16 KiB
Python
Executable File
423 lines
16 KiB
Python
Executable File
import os
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import subprocess
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import xml.etree.ElementTree as ET
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import gzip
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import zipfile
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import zlib
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import json
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import shutil
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import time
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import io
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from flask import Flask, request, jsonify, send_file
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from flask_cors import CORS
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from werkzeug.utils import secure_filename
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# --- NOVAS IMPORTAÇÕES DE AUTH ---
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from flask_sqlalchemy import SQLAlchemy
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from flask_bcrypt import Bcrypt
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from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
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from main import process_single_file, rebuild_indexes, generate_manifests, slugify
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from utils import ALLOWED_EXTENSIONS, ALLOWED_SAMPLE_EXTENSIONS, MMP_FOLDER, MMPZ_FOLDER, CERT_PATH, KEY_PATH, BASE_DATA, SRC_MMPSEARCH, SAMPLE_SRC, METADATA_FOLDER, XML_IMPORTED_PATH_PREFIX, SAMPLE_MANIFEST
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app = Flask(__name__)
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# --- CONFIGURAÇÃO DE SEGURANÇA E BANCO ---
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# IMPORTANTE: Troque esta chave em produção!
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app.config['SECRET_KEY'] = 'chave_secreta_super_segura_mmp_ecosystem_2025'
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# O banco ficará salvo em /nethome/jotachina/projetos/mmpSearch/users.db (BASE_DATA)
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app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(BASE_DATA, 'users.db')
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app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
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# CORS precisa suportar credenciais para o cookie de login funcionar
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CORS(app, supports_credentials=True)
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db = SQLAlchemy(app)
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bcrypt = Bcrypt(app)
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login_manager = LoginManager(app)
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login_manager.login_view = 'login'
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# --- MODELO DE USUÁRIO ---
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class User(UserMixin, db.Model):
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id = db.Column(db.Integer, primary_key=True)
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username = db.Column(db.String(150), unique=True, nullable=False)
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password = db.Column(db.String(150), nullable=False)
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# Cria o banco na inicialização se não existir
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with app.app_context():
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db.create_all()
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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# --- SUAS FUNÇÕES UTILITÁRIAS MANTIDAS ---
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def allowed_file(filename):
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return "." in filename and filename.rsplit(".", 1)[1].lower() in ALLOWED_EXTENSIONS
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def allowed_sample(filename):
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return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_SAMPLE_EXTENSIONS
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def run_jekyll_build():
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print("Iniciando build do Jekyll...")
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command = ["bundle", "exec", "jekyll", "build", "--destination", "/var/www/html/trens/mmpSearch/"]
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try:
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subprocess.run(command, check=True, cwd=BASE_DATA, capture_output=True, text=True)
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print("Jekyll Build Sucesso!")
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except subprocess.CalledProcessError as e:
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print(f"ERRO no Jekyll Build: {e.stderr}")
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def load_manifest_keys():
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"""Carrega as pastas de fábrica (keys do manifesto)."""
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if not os.path.exists(SAMPLE_MANIFEST):
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return ["drums", "instruments", "effects", "presets", "samples"]
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try:
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with open(SAMPLE_MANIFEST, 'r', encoding='utf-8') as f:
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data = json.load(f)
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return list(data.keys())
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except Exception:
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return []
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def convert_mmpz_to_mmp(mmpz_path, mmp_target_path):
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"""Tenta descompactar .mmpz usando Python ou LMMS CLI."""
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print(f"Tentando converter: {mmpz_path} -> {mmp_target_path}")
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content = None
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try:
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with open(mmpz_path, "rb") as f:
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content = f.read()
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except Exception:
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pass
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if content:
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# 1.1 Tenta ZIP
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if zipfile.is_zipfile(mmpz_path):
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try:
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with zipfile.ZipFile(mmpz_path, 'r') as z:
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with open(mmp_target_path, 'wb') as f_out:
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f_out.write(z.read(z.namelist()[0]))
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print("Sucesso: Descompactado via ZIP.")
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return True
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except: pass
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# 1.2 Tenta GZIP
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try:
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decompressed = gzip.decompress(content)
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with open(mmp_target_path, "wb") as f_out:
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f_out.write(decompressed)
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print("Sucesso: Descompactado via GZIP.")
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return True
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except: pass
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# 1.3 Tenta ZLIB
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try:
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decompressed = zlib.decompress(content)
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with open(mmp_target_path, "wb") as f_out:
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f_out.write(decompressed)
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print("Sucesso: Descompactado via ZLIB.")
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return True
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except: pass
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# --- Fallback para LMMS CLI ---
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print("Métodos Python falharam. Tentando fallback via LMMS CLI...")
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cmd = ["lmms", "--dump", mmpz_path]
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env_vars = os.environ.copy()
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env_vars["QT_QPA_PLATFORM"] = "offscreen"
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try:
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with open(mmp_target_path, "w") as f_out:
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subprocess.run(cmd, stdout=f_out, stderr=subprocess.PIPE, check=True, env=env_vars)
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if os.path.exists(mmp_target_path) and os.path.getsize(mmp_target_path) > 0:
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print("Sucesso: Descompactado via LMMS CLI (--dump).")
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return True
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else:
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print("Erro: LMMS CLI rodou, mas arquivo de saída está vazio.")
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return False
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except subprocess.CalledProcessError as e:
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print(f"Falha crítica no LMMS CLI: {e.stderr.decode('utf-8') if e.stderr else str(e)}")
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return False
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except Exception as e:
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print(f"Erro inesperado ao chamar LMMS: {e}")
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return False
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def analyze_mmp_dependencies(mmp_filename):
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"""Analisa um arquivo .mmp XML puro."""
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filepath = os.path.join(MMP_FOLDER, mmp_filename)
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if not os.path.exists(filepath):
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print(f"Erro: Arquivo não encontrado: {filepath}")
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return False, []
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try:
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tree = ET.parse(filepath)
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except ET.ParseError as e:
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print(f"Erro Fatal: O arquivo {mmp_filename} não é um XML válido: {e}")
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return False, []
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root = tree.getroot()
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factory_folders = load_manifest_keys()
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missing_samples = set()
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for audio_node in root.findall(".//audiofileprocessor"):
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src = audio_node.get('src', '')
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if not src: continue
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is_factory = any(src.startswith(folder + "/") for folder in factory_folders)
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is_already_imported = src.startswith("src_mmpSearch/samples/imported/")
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if not is_factory and not is_already_imported:
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file_name = os.path.basename(src)
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missing_samples.add(file_name)
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return len(missing_samples) == 0, list(missing_samples)
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def update_xml_paths_exact(mmp_filename, replacements):
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"""Substitui caminhos no XML baseando-se no mapeamento exato."""
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filepath = os.path.join(MMP_FOLDER, mmp_filename)
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try:
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tree = ET.parse(filepath)
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root = tree.getroot()
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changes_made = False
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replacements_lower = {k.lower(): v for k, v in replacements.items()}
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for audio_node in root.findall(".//audiofileprocessor"):
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src = audio_node.get('src', '')
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if not src: continue
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current_basename = os.path.basename(src)
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current_basename_lower = current_basename.lower()
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if current_basename_lower in replacements_lower:
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new_filename = replacements_lower[current_basename_lower]
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new_src = f"{XML_IMPORTED_PATH_PREFIX}/{new_filename}"
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audio_node.set('src', new_src)
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audio_node.set('vol', audio_node.get('vol', '1'))
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print(f"[XML FIX] Substituído: {current_basename} -> {new_src}")
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changes_made = True
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if changes_made:
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tree.write(filepath, encoding='UTF-8', xml_declaration=True)
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return True
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return True
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except Exception as e:
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print(f"Erro crítico ao editar XML: {e}")
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return False
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def process_and_build(filename):
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"""Encapsula a chamada do main.py"""
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result = process_single_file(filename)
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if result["success"]:
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rebuild_indexes()
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run_jekyll_build()
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generate_manifests(SRC_MMPSEARCH)
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return jsonify({
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"message": "Sucesso! Projeto processado.",
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"data": result["data"]
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}), 200
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else:
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return jsonify({"error": f"Erro no processamento: {result['error']}"}), 500
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# ==============================================================================
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# ROTAS DE AUTENTICAÇÃO
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# ==============================================================================
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@app.route('/api/register', methods=['POST'])
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def register():
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data = request.json
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if not data or not data.get('username') or not data.get('password'):
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return jsonify({"message": "Dados incompletos"}), 400
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if User.query.filter_by(username=data['username']).first():
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return jsonify({"message": "Usuário já existe"}), 400
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hashed_password = bcrypt.generate_password_hash(data['password']).decode('utf-8')
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new_user = User(username=data['username'], password=hashed_password)
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try:
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db.session.add(new_user)
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db.session.commit()
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return jsonify({"message": "Usuário criado com sucesso!"}), 201
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except Exception as e:
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return jsonify({"message": f"Erro: {str(e)}"}), 500
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@app.route('/api/login', methods=['POST'])
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def login():
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data = request.json
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user = User.query.filter_by(username=data['username']).first()
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if user and bcrypt.check_password_hash(user.password, data['password']):
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login_user(user)
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return jsonify({"message": "Login realizado", "user": user.username}), 200
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return jsonify({"message": "Credenciais inválidas"}), 401
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@app.route('/api/logout', methods=['POST'])
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@login_required
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def logout():
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logout_user()
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return jsonify({"message": "Logout realizado"}), 200
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@app.route('/api/check_auth', methods=['GET'])
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def check_auth():
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if current_user.is_authenticated:
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return jsonify({"logged_in": True, "user": current_user.username})
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return jsonify({"logged_in": False})
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# ==============================================================================
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# ROTAS PRINCIPAIS
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# ==============================================================================
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@app.route("/api/download/<project_name>", methods=["GET"])
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def download_project_package(project_name):
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"""Gera um ZIP com caminhos limpos (Não exige login para baixar)."""
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if not project_name.lower().endswith('.mmp'):
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project_name += '.mmp'
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clean_name = secure_filename(project_name)
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mmp_path = os.path.join(MMP_FOLDER, clean_name)
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if not os.path.exists(mmp_path):
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return jsonify({"error": "Projeto não encontrado"}), 404
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memory_file = io.BytesIO()
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try:
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tree = ET.parse(mmp_path)
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root = tree.getroot()
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samples_to_pack = set()
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for audio_node in root.findall(".//audiofileprocessor"):
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src = audio_node.get('src', '')
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if src.startswith(XML_IMPORTED_PATH_PREFIX):
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filename = os.path.basename(src)
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short_path = f"imported/{filename}"
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audio_node.set('src', short_path)
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samples_to_pack.add(filename)
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with zipfile.ZipFile(memory_file, 'w', zipfile.ZIP_DEFLATED) as zf:
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xml_str = ET.tostring(root, encoding='utf-8', method='xml')
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zf.writestr(clean_name, xml_str)
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for sample_name in samples_to_pack:
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physical_path = os.path.join(XML_IMPORTED_PATH_PREFIX, sample_name)
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zip_entry_name = f"imported/{sample_name}"
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if os.path.exists(physical_path):
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zf.write(physical_path, arcname=zip_entry_name)
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memory_file.seek(0)
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return send_file(
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memory_file,
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mimetype='application/zip',
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as_attachment=True,
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download_name=f"{os.path.splitext(clean_name)[0]}.zip"
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)
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except Exception as e:
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return jsonify({"error": f"Erro ao gerar pacote: {str(e)}"}), 500
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@app.route("/api/upload", methods=["POST"])
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@login_required # <--- PROTEGIDO
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def upload_file():
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if "project_file" not in request.files:
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return jsonify({"error": "Nenhum arquivo enviado"}), 400
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file = request.files["project_file"]
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if file.filename == "":
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return jsonify({"error": "Nome do arquivo vazio"}), 400
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if file and allowed_file(file.filename):
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original_name = file.filename
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name_without_ext = os.path.splitext(original_name)[0]
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ext = os.path.splitext(original_name)[1].lower()
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clean_name = slugify(name_without_ext)
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if not clean_name:
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clean_name = f"upload-{int(time.time())}"
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final_mmp_filename = f"{clean_name}.mmp"
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final_mmp_path = os.path.join(MMP_FOLDER, final_mmp_filename)
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upload_filename = f"{clean_name}{ext}"
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if ext == ".mmpz":
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upload_path = os.path.join(MMPZ_FOLDER, upload_filename)
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else:
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upload_path = os.path.join(MMP_FOLDER, upload_filename)
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try:
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file.save(upload_path)
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print(f"Upload salvo em: {upload_path} (User: {current_user.username})")
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if ext == ".mmpz":
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success = convert_mmpz_to_mmp(upload_path, final_mmp_path)
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if not success:
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return jsonify({"error": "Falha crítica na descompactação."}), 400
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elif ext == ".mmp" and upload_path != final_mmp_path:
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shutil.move(upload_path, final_mmp_path)
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is_clean, missing_files = analyze_mmp_dependencies(final_mmp_filename)
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if not is_clean:
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return jsonify({
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"status": "missing_samples",
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"message": "Samples externos detectados.",
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"project_file": final_mmp_filename,
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"missing_files": missing_files
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}), 202
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return process_and_build(final_mmp_filename)
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except Exception as e:
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return jsonify({"error": f"Erro interno: {str(e)}"}), 500
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return jsonify({"error": "Tipo de arquivo não permitido"}), 400
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@app.route("/api/upload/resolve", methods=["POST"])
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@login_required # <--- PROTEGIDO
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def resolve_samples():
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project_filename = request.form.get('project_file')
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if not project_filename:
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return jsonify({"error": "Nome do projeto não informado"}), 400
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os.makedirs(XML_IMPORTED_PATH_PREFIX, exist_ok=True)
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replacements = {}
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for original_name, file_storage in request.files.items():
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if file_storage and allowed_sample(file_storage.filename):
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safe_new_name = secure_filename(file_storage.filename)
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if not safe_new_name: safe_new_name = f"sample_{int(time.time())}.wav"
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save_path = os.path.join(XML_IMPORTED_PATH_PREFIX, safe_new_name)
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file_storage.save(save_path)
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replacements[original_name] = safe_new_name
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if not replacements:
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return jsonify({"error": "Nenhum arquivo válido enviado."}), 400
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if update_xml_paths_exact(project_filename, replacements):
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return process_and_build(project_filename)
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else:
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return jsonify({"error": "Falha ao atualizar o arquivo de projeto."}), 500
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@app.route('/api/upload/sample', methods=['POST'])
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@login_required # <--- PROTEGIDO
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def upload_sample_standalone():
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if 'sample_file' not in request.files: return jsonify({'error': 'Nenhum arquivo'}), 400
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file = request.files['sample_file']
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subfolder = request.form.get('subfolder', '').strip()
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if file and allowed_sample(file.filename):
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filename = secure_filename(file.filename)
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safe_subfolder = subfolder.replace('..', '').strip('/')
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target_dir = os.path.join(SAMPLE_SRC, safe_subfolder)
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os.makedirs(target_dir, exist_ok=True)
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file.save(os.path.join(target_dir, filename))
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generate_manifests(SRC_MMPSEARCH)
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run_jekyll_build()
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return jsonify({'message': 'Sample enviado!'}), 200
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return jsonify({'error': 'Erro no arquivo'}), 400
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if __name__ == "__main__":
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# Se estiver rodando atrás do Apache, NÃO use ssl_context.
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# O Apache já cuida do SSL (https://alice.ufsj.edu.br).
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# O Flask deve rodar em HTTP puro localmente.
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print("Iniciando servidor na porta 33002 (HTTP Mode)...")
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app.run(host="0.0.0.0", port=33002, debug=True)
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# Removi o ssl_context=context para facilitar o proxy reverso |