adb_python/pyadb/adb.py

import datetime
import json
import os
import re
import shutil
import subprocess
import time
import shlex
from android_db import AndroidSQLConn
from load_things import loaded
from decode_parcel import decode_parcel
debug = True
config = loaded.config
keycodes = loaded.keycodes
exe = config.defaults.exe


def merge(src, dst, log=False):
    if not os.path.exists(dst):
        return False
    ok = True
    for path, dirs, files in os.walk(src):
        relPath = os.path.relpath(path, src)
        destPath = os.path.join(dst, relPath)
        if not os.path.exists(destPath):
            os.makedirs(destPath)
        for file in files:
            destFile = os.path.join(destPath, file)
            if os.path.isfile(destFile):
                if log:
                    print("Skipping existing file: " +
                          os.path.join(relPath, file))
                ok = False
                continue
            srcFile = os.path.join(path, file)
            shutil.move(srcFile, destFile)
    for path, dirs, files in os.walk(src, False):
        if len(files) == 0 and len(dirs) == 0:
            os.rmdir(path)
    return ok


def _adb(*args, output="shell"):
    '''Output modes:
        "out": return output
        "shell": print to shell
        "buffered": read line by line'''
    args = [exe] + list(args)
    if output == "out":
        return subprocess.check_output(args, shell=False).decode().replace('\r\n', '\n').rstrip()
    elif output == "shell":
        ret = subprocess.call(args, shell=False)
        if ret:
            raise subprocess.CalledProcessError(ret, args)
    elif output == "buffered":
        p = subprocess.Popen(args, stdout=subprocess.PIPE)
        return p.stdout


def kill_server():
    _adb('kill-server')


def start_server():
    _adb('start-server')


def get_info():
    start_server()
    thing = _adb("devices", "-l", output="out")
    formed = list(filter(bool, thing.split("\n")))[1:]
    main = {}
    for device in formed:
        categories = re.split(" +", device)
        device_dict = {
            "serial": categories[0],
            "mode": categories[1]
        }
        device_dict.update(dict(category.split(":")
                                for category in categories[2:]))
        main[categories[0]] = device_dict
    return main


class ADBWrapper:
    root_mode = False

    def connect(ip, port=5555):
        if not re.match(r'(\d{1,3}\.){3}\d{1,3}', ip):
            raise TypeError("Invalid ip")
        if not all(int(n) <= 255 and int(n) >= 0 for n in ip.split('.')):
            raise TypeError("Invalid ip")
        if not (port >= 0 and port <= 2**16-1):
            raise TyperError("Port must be in the range 0-65536")
        id = '{}:{}'.format(ip, port)
        _adb('connect', '{}:{}'.format(ip, port))
        dev = Device(id)
        dev.tcip = True
        return dev

    def disconnect(self):
        if self.tcip:
            _adb('disconnect', self.serial)

    def db_connect(self, filepath):
        return AndroidSQLConn(self, filepath)

    def prim_device():
        cont = True
        while cont:
            try:
                d = Device()
                cont = False
            except IndexError:
                time.sleep(1)
        return d

    def __init__(self, serial=None):
        self.tcip = False
        if serial:
            self.serial = serial
            info = get_info()[serial]
        else:
            serial, info = list(get_info().items())[0]
        self.__dict__.update(info)

    def adb(self, *args, output="shell"):
        args = ['-s', self.serial] + list(args)
        return _adb(*args, output=output)

    def shell(self, *args, output="shell"):
        args = ('shell',)+args
        return self.adb(*args, output=output)

    def sudo(self, *args, output="shell"):
        if self.mode == 'recovery' or self.root_mode:
            return self.shell(*args, output=output)
        else:
            return self.shell('su', '--', '--', *args, output=output)

    @classmethod
    def root(cls):
        cls.root_mode = True
        _adb('root')

    @classmethod
    def unroot(cls):
        cls.root_mode = False
        _adb('unroot')

    def reboot(self, mode=None):
        if mode:
            if mode == "soft":
                if self.mode != 'recovery':
                    pid = self.shell("pidof", "zygote", output="out")
                    return self.sudo("kill", pid, output="shell")
                else:
                    return self.reboot()
            else:
                self.adb("reboot", mode)
        else:
            self.adb("reboot")
        while True:
            infos = get_info()
            if len(infos) > 0:
                self.__dict__.update(infos[self.serial])
                break
            time.sleep(1)


class FSActionWrapper(ADBWrapper):

    def stat(self, file):
        '''\
%a  Access bits (octal) |%A  Access bits (flags)|%b  Size/512
%B  Bytes per %b (512)  |%d  Device ID (dec)    |%D  Device ID (hex)
%f  All mode bits (hex) |%F  File type          |%g  Group ID
%G  Group name          |%h  Hard links         |%i  Inode
%m  Mount point         |%n  Filename           |%N  Long filename
%o  I/O block size      |%s  Size (bytes)       |%t  Devtype major (hex)
%T  Devtype minor (hex) |%u  User ID            |%U  User name
%x  Access time         |%X  Access unix time   |%y  File write time
%Y  File write unix time|%z  Dir change time    |%Z  Dir change unix time

The valid format escape sequences for filesystems:
%a  Available blocks    |%b  Total blocks       |%c  Total inodes
%d  Free inodes         |%f  Free blocks        |%i  File system ID
%l  Max filename length |%n  File name          |%s  Fragment size
%S  Best transfer size  |%t  FS type (hex)      |%T  FS type (driver name)'''
        command = 'stat -c "%A;%F;%U;%G" {};echo $?'.format(file)
        res = self.sudo(command, output="out")
        output, res = res.split('\n')
        if res == '0':
            return output.split(';')

    def exists(self, file):
        return self.stat(file) is not None

    def isfile(self, file):
        return self.stat(file)[1] == 'file'

    def isdir(self, file):
        return self.stat(file)[1] == 'directory'

    def islink(self, file):
        return self.stat(file)[1] == 'symbolic link'

    def delete(self, path):
        return self.sudo("rm", "-rf", path, output="out")

    def copy(self, remote, local, del_duplicates=True, ignore_error=True):
        remote_stat = self.stat(remote)
        if remote_stat is not None:
            if remote_stat[1] == "directory" and not remote.endswith('/'):
                remote += '/'
            merge_flag = False
            if os.path.exists(local):
                last = os.path.split(local)[-1]
                real_dir = local
                local = os.path.join(config['local']['temp'], last)
                merge_flag = True
            try:
                self.adb("pull", "-a", remote, local)
            except subprocess.CalledProcessError as e:
                if ignore_error:
                    pass
                else:
                    raise e
            if merge_flag:
                merge(local, real_dir)
                if os.path.exists(local) and del_duplicates:
                    shutil.rmtree(local)
        else:
            print("File not found: {}".format(remote))

    def move(self, remote, local, del_duplicates=True, ignore_error=False):
        if self.exists(remote):
            self.copy(remote, local, del_duplicates=del_duplicates,
                      ignore_error=ignore_error)
            self.delete(remote)
        else:
            print("File not found: {}".format(remote))

    def push(self, local, remote):
        self.adb('push', local, remote)


class Input(ADBWrapper):

    def send_keycode(self, code):
        try:
            keycode = keycodes[code]
        except KeyError:
            keycode = str(code)
        self.shell("input", "keyevent", keycode)

    def unlock_phone(self, password):
        if self.mode == 'recovery':
            return
        if not decode_parcel(self.shell('service', 'call', 'power', '12', output="out"), 'int'):
            self.send_keycode('power')
        if decode_parcel(self.shell('service', 'call', 'trust', '7', output="out"), 'int'):
            self.send_keycode('space')
            self.shell("input", "text", str(password))
            self.send_keycode('enter')


class TWRP(FSActionWrapper):

    def backup(self, *partitions, name=None, backupdir=None):
        if self.mode != 'recovery':
            self.reboot('recovery')
        if backupdir is None:
            backupdir = config['local']['twrp']
        else:
            backupdir = backupdir
        options_dict = {
            "system": "S",
            "data": "D",
            "cache": "C",
            "recovery": "R",
            "spec_part_1": "1",
            "spec_part_2": "2",
            "spec_part_3": "3",
            "boot": "B",
            "as": "A"
        }
        options = "".join(options_dict[option] for option in partitions)
        if not name:
            name = "backup_" + \
                datetime.datetime.today().strftime(defaults['date_format'])
        filename = os.path.join(backupdir, name)
        self.shell("twrp", "backup", options, name)
        phone_dir = "/data/media/0/TWRP/BACKUPS/{serial}/{name}".format(
            serial=self.serial, name=name)
        self.move(phone_dir, filename)

    def wipe(self, partition):
        if self.mode != 'recovery':
            self.reboot('recovery')
        self.shell("twrp", "wipe", partition)

    def install(self, name):
        if self.mode != 'recovery':
            self.reboot('recovery')
        if os.path.exists(name):
            local_name = name
            name = os.path.split(name)[-1]
            update_path = '{}/{}'.format(config['remote']['updates'], name)
            if not self.exists(config['remote']['updates']):
                self.sudo('mkdir', config['remote']['updates'])
            if not self.exists(update_path):
                self.push(local_name, config['remote']['updates'])
        else:
            update_path = '{}/{}'.format(config['remote']['updates'], name)
        self.shell("twrp", "install", update_path)


class Device(TWRP, Input):
    pass


if __name__ == "__main__" and debug:
    d = Device.prim_device()