changement vers google drive storage pour les contrats.

Tentative d'obtenir un token de connection échoue

app/supporting_scripts/backup.py

@@ -42,7 +42,11 @@ from urllib.parse import unquote, urlparse
 # to be — see DOCUMENTS_DIR below.
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
 
-from app.storage import backups_root, documents_root  # noqa: E402 — needs the path above
+from app.storage import (  # noqa: E402 — needs the path above
+    backups_root,
+    document_storage_backend,
+    documents_root,
+)
 
 # Configuration
 BACKUP_DIR = backups_root()
@@ -292,6 +296,75 @@ def backup_documents():
     return zip_path
 
 
+def backup_drive_documents():
+    """Download every file from the configured Google Drive folder and archive it.
+
+    Called **in addition to** ``backup_documents()`` when the storage backend is
+    ``google_drive``.  When the backend is ``local`` this function silently
+    skips — local backups already handled by ``backup_documents()``.
+
+    Returns:
+        str | None: Path to the created archive, or None when skipped.
+
+    Raises:
+        BackupError: If Drive is configured but listing or downloading fails.
+    """
+    if document_storage_backend() != 'google_drive':
+        print('[SKIP] Google Drive is not configured; local documents only.')
+        return None
+
+    try:
+        from app.google_drive import (
+            GoogleDriveStorageError,
+            list_folder_files,
+        )
+        from app.google_drive import (
+            download_file as download_drive_file,
+        )
+    except ImportError:
+        raise BackupError(
+            'Google Drive dependencies are not installed. Install requirements.txt again.'
+        ) from None
+
+    print('[INFO] Listing Google Drive contract folder...')
+    try:
+        files = list_folder_files()
+    except (GoogleDriveStorageError, Exception) as exc:  # noqa: BLE001 — boundary
+        raise BackupError(f'Google Drive listing failed: {exc}') from exc
+
+    if not files:
+        print('[INFO] Google Drive folder is empty; no Drive documents to back up.')
+        return None
+
+    timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+    archive_basename = os.path.join(BACKUP_DIR, f'documents_backup_drive_{timestamp}')
+
+    download = {}
+    for file_id, name in files:
+        print(f'  Downloading {name} ({file_id})...')
+        try:
+            download[name] = download_drive_file(file_id)
+        except (GoogleDriveStorageError, Exception) as exc:  # noqa: BLE001 — boundary
+            raise BackupError(f'Google Drive download failed for {name}: {exc}') from exc
+
+    try:
+        import zipfile
+
+        zip_path = f'{archive_basename}.zip'
+        with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED) as zf:
+            for name, data in download.items():
+                zf.writestr(name, data)
+    except Exception as exc:  # noqa: BLE001 — boundary
+        raise BackupError(f'Drive document archive failed: {exc}') from exc
+
+    if not os.path.exists(zip_path) or os.path.getsize(zip_path) == 0:
+        raise BackupError('Drive document archiver reported success but produced an empty file.')
+
+    size_mb = os.path.getsize(zip_path) / (1024 * 1024)
+    print(f'[OK] Drive documents backed up to: {zip_path} ({size_mb:.1f} MB)')
+    return zip_path
+
+
 def cleanup_old_backups():
     """Remove backup files older than BACKUP_RETENTION_DAYS."""
     if not os.path.exists(BACKUP_DIR):
@@ -365,10 +438,16 @@ def main(argv=None):
     except BackupError as exc:
         documents_ok = False
         print(f'[ERROR] {exc}')
+    drive_ok = True
+    try:
+        backup_drive_documents()
+    except BackupError as exc:
+        drive_ok = False
+        print(f'[ERROR] {exc}')
     cleanup_old_backups()
 
     print()
-    if verified and documents_ok:
+    if verified and documents_ok and drive_ok:
         print('=== Backup completed successfully ===')
         return 0
 

app/supporting_scripts/get_refresh_token.py

@@ -0,0 +1,121 @@
+"""Obtain a Google Drive refresh token for the application.
+
+Run this once from a development machine that has a browser. It opens a local
+OAuth redirect server, asks you to log in, and prints the refresh token.
+
+Usage:
+    python app/supporting_scripts/get_refresh_token.py
+
+Requires:
+    pip install google-auth-oauthlib
+
+Before running:
+    1. Create a Google Cloud project and enable the Drive API.
+    2. Create a **Desktop** OAuth 2.0 client ID.
+    3. Add your email as a test user in the OAuth consent screen.
+    4. Run this script and paste the values when prompted.
+"""
+
+import os
+import sys
+
+
+def _prompt(label, env_name, default=""):
+    """Ask the user for a value, accepting an env-var fallback or a default."""
+    candidate = os.getenv(env_name) or default
+    hint = f" [{candidate}]" if candidate else ""
+    raw = input(f"{label}{hint}: ").strip()
+    if raw:
+        return raw
+    if candidate:
+        return candidate
+    return default
+
+
+def _validate_client_id(client_id):
+    """Warn if the client ID doesn't look like a real OAuth client ID."""
+    if client_id == "YOUR_CLIENT_ID.apps.googleusercontent.com":
+        print("[ERROR] You must provide a real client ID from the Google Cloud console.")
+        return False
+    if not client_id.endswith(".apps.googleusercontent.com"):
+        print(
+            f"[WARNING] Client ID should end with '.apps.googleusercontent.com'.\n"
+            f"          Got: {client_id!r}\n"
+            f"          If this is a placeholder, the OAuth request will fail.\n"
+        )
+    return True
+
+
+def _validate_client_secret(secret):
+    if secret == "YOUR_CLIENT_SECRET":
+        print("[ERROR] You must provide a real client secret from the Google Cloud console.")
+        return False
+    # The GOCSPX- prefix is now used by every client type, so it no longer
+    # tells us anything about whether the client was created as a Desktop app.
+    return True
+
+
+def main():
+    print("=" * 60)
+    print("Google Drive Refresh Token — Setup")
+    print("=" * 60)
+    print()
+
+    # When both env vars are set, skip prompts entirely for headless runs.
+    env_id = os.getenv("GOOGLE_DRIVE_CLIENT_ID")
+    env_secret = os.getenv("GOOGLE_DRIVE_CLIENT_SECRET")
+    if env_id and env_secret:
+        client_id = env_id
+        client_secret = env_secret
+        print(f"Using Client ID from environment: {client_id[:30]}...")
+    else:
+        print("Enter your Google Cloud OAuth credentials.")
+        print("You can also set GOOGLE_DRIVE_CLIENT_ID and GOOGLE_DRIVE_CLIENT_SECRET")
+        print("environment variables and re-run to skip the prompts.")
+        print()
+
+        client_id = _prompt("Client ID", "GOOGLE_DRIVE_CLIENT_ID")
+        client_secret = _prompt("Client Secret", "GOOGLE_DRIVE_CLIENT_SECRET")
+
+        if not _validate_client_id(client_id) or not _validate_client_secret(client_secret):
+            sys.exit(1)
+
+    print()
+    print("Opening browser to authenticate with Google...")
+    print("(If it doesn't open, copy the URL below into your browser.)")
+    print()
+
+    from google_auth_oauthlib.flow import InstalledAppFlow
+
+    SCOPE = "https://www.googleapis.com/auth/drive.file"
+
+    client_config = {
+        "installed": {
+            "client_id": client_id,
+            "client_secret": client_secret,
+            "redirect_uris": ["http://localhost"],
+            "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+            "token_uri": "https://oauth2.googleapis.com/token",
+        }
+    }
+
+    flow = InstalledAppFlow.from_client_config(client_config, scopes=[SCOPE])
+    credentials = flow.run_local_server(host="localhost", port=8080, open_browser=True)
+
+    print()
+    print("=" * 60)
+    print("SUCCESS — copy these values into your .env file:")
+    print("=" * 60)
+    print()
+    print("DOCUMENT_STORAGE_BACKEND=google_drive")
+    print(f"GOOGLE_DRIVE_CLIENT_ID={credentials.client_id}")
+    print(f"GOOGLE_DRIVE_CLIENT_SECRET={client_secret}")
+    print(f"GOOGLE_DRIVE_REFRESH_TOKEN={credentials.refresh_token}")
+    print("GOOGLE_DRIVE_FOLDER_ID=<get this from the Drive folder URL>")
+    print()
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())