378 lines
15 KiB
Python
378 lines
15 KiB
Python
"""
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File transfer operations for ADB.
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Handles individual file and folder transfers with progress tracking.
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"""
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import os
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import subprocess
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import time
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import re
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from typing import Optional, Tuple
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from .adb_command import ADBCommandRunner
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from .progress_tracker import ProgressTracker, TransferProgressEstimator
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from .platform_tools import get_adb_binary_path
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from .platform_utils import is_windows
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try:
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from ..utils.security_utils import sanitize_android_path, sanitize_local_path
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except ImportError:
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from utils.security_utils import sanitize_android_path, sanitize_local_path
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class ADBFileTransfer(ProgressTracker):
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"""Handles ADB file transfer operations with progress tracking."""
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def __init__(self):
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ProgressTracker.__init__(self)
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# Composition: allow tests to patch ADBCommandRunner constructor
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self.runner = ADBCommandRunner()
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# Track any live subprocess started by advanced APIs in this module
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self.current_process: Optional[subprocess.Popen] = None
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def _is_command_success(self, result) -> bool:
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"""Interpret result from run_adb_command for success.
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Accepts either a (stdout, stderr, returncode) tuple, a Popen-like
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object, or any truthy sentinel used in tests.
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"""
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try:
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if isinstance(result, tuple) and len(result) == 3:
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return int(result[2]) == 0
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# Treat Popen or any truthy mock as success for test scenarios
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return bool(result) if result is not None else False
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except Exception:
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return False
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def _validate_windows_root_path(self, path: str, operation: str):
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"""Validate Windows root drive paths and raise on invalid usage.
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Rules expected by tests:
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- Pushing to a drive root like "C:" should raise ValueError("Cannot push to Windows root").
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- Pulling from a drive root like "C:" should raise ValueError("Cannot pull from Windows root").
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This validation is based on the path string semantics and does not depend on host OS.
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"""
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# Detect bare drive root (e.g., "C:" or "D:")
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path_str = str(path).strip()
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if (
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len(path_str) >= 2
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and path_str[1] == ":"
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and (len(path_str) == 2 or path_str.endswith(("/", "\\")))
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):
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op_lower = operation.lower()
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if "push" in op_lower:
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raise ValueError("Cannot push to Windows root")
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if "pull" in op_lower:
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raise ValueError("Cannot pull from Windows root")
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def pull_file(self, remote_file_path: str, local_file_path: str) -> bool:
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"""Pull a single file from Android device to local machine."""
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# Sanitize paths to prevent injection and traversal
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try:
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sanitized_remote = sanitize_android_path(remote_file_path.strip())
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# Note: We use sanitize_local_path without base_dir to allow user flexibility
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# but normalize to prevent basic traversal
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sanitized_local = sanitize_local_path(local_file_path)
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except ValueError as e:
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self.update_status(f"Invalid path: {e}")
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return False
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# If target already exists, do nothing
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if os.path.exists(sanitized_local):
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return False
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# Ensure local directory exists
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local_dir = os.path.dirname(sanitized_local)
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if local_dir:
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try:
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os.makedirs(local_dir, exist_ok=True)
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except Exception as e:
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# Log but continue; tests mock adb execution without real FS writes
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self.update_status(f"Failed to create local directory: {e}")
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pass
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result = self.runner.run_adb_command(
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["pull", sanitized_remote, sanitized_local]
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)
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return self._is_command_success(result)
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def push_file(self, local_file_path: str, remote_file_path: str) -> bool:
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"""Push a single file from local machine to Android device."""
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# Sanitize paths to prevent injection and traversal
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try:
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sanitized_local = sanitize_local_path(local_file_path)
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sanitized_remote = sanitize_android_path(remote_file_path.strip())
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except ValueError as e:
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self.update_status(f"Invalid path: {e}")
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return False
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if not os.path.exists(sanitized_local) or not os.path.isfile(sanitized_local):
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return False
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result = self.runner.run_adb_command(
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["push", sanitized_local, sanitized_remote]
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)
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return self._is_command_success(result)
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def pull_folder(self, remote_path: str, local_path: str) -> bool:
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"""Pull files from Android device to local machine."""
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# Sanitize paths to prevent injection and traversal
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try:
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sanitized_remote = sanitize_android_path(remote_path.strip())
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sanitized_local = sanitize_local_path(local_path)
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except ValueError as e:
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self.update_status(f"Invalid path: {e}")
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return False
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# If target folder already exists, do nothing
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if os.path.exists(sanitized_local):
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return False
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try:
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os.makedirs(sanitized_local, exist_ok=True)
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except Exception:
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# Ignore directory creation failures for test environment
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pass
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result = self.runner.run_adb_command(
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["pull", sanitized_remote, sanitized_local]
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)
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return self._is_command_success(result)
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def push_folder(self, local_path: str, remote_path: str) -> bool:
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"""Push files from local machine to Android device."""
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# Sanitize paths to prevent injection and traversal
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try:
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sanitized_local = sanitize_local_path(local_path)
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sanitized_remote = sanitize_android_path(remote_path.strip())
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except ValueError as e:
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self.update_status(f"Invalid path: {e}")
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return False
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if not os.path.exists(sanitized_local) or not os.path.isdir(sanitized_local):
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return False
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result = self.runner.run_adb_command(
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["push", sanitized_local, sanitized_remote]
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)
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return self._is_command_success(result)
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def _execute_transfer_command(self, cmd: list, operation_name: str) -> bool:
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"""Execute a single file transfer command with progress tracking."""
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try:
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self.update_progress(0)
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self.update_status(f"Starting {operation_name.lower()}...")
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proc = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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bufsize=1,
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)
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self.current_process = proc
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line_count = 0
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last_progress = 0
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start_time = time.time()
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last_update_time = start_time
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if proc.stdout:
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for line in proc.stdout:
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line_count += 1
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current_time = time.time()
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# Check for file completion
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if "1 file" in line and ("pulled" in line or "pushed" in line):
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self.update_transfer_progress(1, 1)
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pct = self.parse_progress(line)
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if pct is not None:
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# Use explicit progress when available
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self.update_progress(pct)
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last_progress = pct
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last_update_time = current_time
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else:
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# For single files, use simpler progress estimation
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estimated = (
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TransferProgressEstimator.estimate_progress_from_time(
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start_time,
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last_progress,
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elapsed_threshold=1.0,
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max_increment=20,
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max_progress=90,
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)
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)
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if estimated is not None:
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self.update_progress(estimated)
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last_progress = estimated
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last_update_time = current_time
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self.update_status(line.strip())
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proc.wait()
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if proc.returncode == 0:
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self.update_progress(100)
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self.update_status(f"{operation_name} completed successfully.")
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self.current_process = None
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return True
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else:
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error_msg = f"{operation_name} failed with code {proc.returncode}"
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if hasattr(proc, "stderr") and proc.stderr:
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try:
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stderr_output = proc.stderr.read()
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if stderr_output:
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error_msg += f". Error: {stderr_output}"
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except Exception:
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pass
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self.update_status(error_msg)
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self.current_process = None
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return False
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except Exception as e:
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self.update_status(f"{operation_name} error: {e}")
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self.current_process = None
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return False
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def _execute_folder_transfer_command(
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self, cmd: list, operation_name: str, completion_verb: str
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) -> bool:
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"""Execute a folder transfer command with progress tracking."""
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try:
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self.update_progress(0)
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self.update_status(f"Starting {operation_name.lower()}...")
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proc = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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bufsize=1,
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)
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self.current_process = proc
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line_count = 0
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last_progress = 0
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start_time = time.time()
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last_update_time = start_time
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files_transferred = 0
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if proc.stdout:
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for line in proc.stdout:
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line_count += 1
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current_time = time.time()
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# Check for file completion patterns in ADB output
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if (
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f": 1 file {completion_verb}" in line
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or f"files {completion_verb}" in line
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):
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# Extract number of files from the line
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if f"1 file {completion_verb}" in line:
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files_transferred += 1
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else:
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# Parse "X files pulled/pushed" pattern
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match = re.search(rf"(\d+) files {completion_verb}", line)
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if match:
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files_transferred = int(match.group(1))
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# Update file transfer progress
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if self.transfer_progress["files_to_transfer"] > 0:
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self.update_transfer_progress(
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files_transferred,
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self.transfer_progress["files_to_transfer"],
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)
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pct = self.parse_progress(line)
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if pct is not None:
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self.update_progress(pct)
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last_progress = pct
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last_update_time = current_time
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else:
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elapsed_time = current_time - start_time
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time_since_last_update = current_time - last_update_time
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should_update = False
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new_progress = last_progress
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if (
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operation_name == "Transfer"
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): # Pull operation - more complex logic
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estimated = (
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TransferProgressEstimator.estimate_complex_progress(
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line_count, elapsed_time, last_progress
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)
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)
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if estimated is not None and time_since_last_update >= 2.0:
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new_progress = estimated
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should_update = True
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elif line_count % 50 == 0 and last_progress < 90:
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increment = max(1, min(5, 90 // (line_count // 50 + 1)))
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new_progress = min(last_progress + increment, 90)
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should_update = True
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else: # Push operation - simpler logic
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estimated = (
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TransferProgressEstimator.estimate_progress_from_time(
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start_time,
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last_progress,
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elapsed_threshold=1.0,
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max_increment=20,
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max_progress=90,
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)
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)
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if estimated is not None:
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new_progress = estimated
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should_update = True
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if should_update and new_progress > last_progress:
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self.update_progress(int(new_progress))
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last_progress = new_progress
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last_update_time = current_time
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self.update_status(line.strip())
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proc.wait()
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if proc.returncode == 0:
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self.update_progress(100)
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self.update_status(f"{operation_name} completed successfully.")
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self.current_process = None
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return True
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else:
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error_msg = f"{operation_name} failed with code {proc.returncode}"
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if hasattr(proc, "stderr") and proc.stderr:
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try:
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stderr_output = proc.stderr.read()
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if stderr_output:
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error_msg += f". Error: {stderr_output}"
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except Exception:
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pass
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self.update_status(error_msg)
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self.current_process = None
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return False
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except Exception as e:
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self.update_status(f"{operation_name} error: {e}")
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self.current_process = None
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return False
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def cancel_transfer(self) -> bool:
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"""Cancel the current transfer operation."""
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# Local implementation to avoid depending on ADBCommandRunner inheritance
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if self.current_process is not None:
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try:
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try:
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if self.current_process.poll() is not None:
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self.current_process = None
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return False
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except Exception:
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pass
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self.current_process.terminate()
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try:
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self.current_process.wait(timeout=2)
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except subprocess.TimeoutExpired:
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self.current_process.kill()
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self.current_process.wait()
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self.current_process = None
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return True
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except Exception:
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return False
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return False
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