mirror of
https://github.com/Arrowar/StreamingCommunity.git
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294 lines
10 KiB
Python
294 lines
10 KiB
Python
# 18.04.24
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import os
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import sys
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import time
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import queue
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import threading
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import logging
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import binascii
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from queue import PriorityQueue
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from urllib.parse import urljoin
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from concurrent.futures import ThreadPoolExecutor
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# External libraries
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import requests
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from requests.exceptions import HTTPError, ConnectionError, Timeout, RequestException
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from tqdm import tqdm
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# Internal utilities
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from Src.Util.console import console
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from Src.Util.headers import get_headers
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from Src.Util.color import Colors
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from Src.Util._jsonConfig import config_manager
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# Logic class
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from ..M3U8 import (
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M3U8_Decryption,
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M3U8_Ts_Estimator,
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M3U8_Parser,
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M3U8_UrlFix
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)
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from .proxyes import main_test_proxy
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# Warning
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import urllib3
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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# Config
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TQDM_MAX_WORKER = config_manager.get_int('M3U8_DOWNLOAD', 'tdqm_workers')
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TQDM_DELAY_WORKER = config_manager.get_float('M3U8_DOWNLOAD', 'tqdm_delay')
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TQDM_USE_LARGE_BAR = config_manager.get_int('M3U8_DOWNLOAD', 'tqdm_use_large_bar')
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REQUEST_TIMEOUT = config_manager.get_float('REQUESTS', 'timeout')
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THERE_IS_PROXY_LIST = len(config_manager.get_list('REQUESTS', 'proxy')) > 0
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# Variable
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headers_index = config_manager.get_dict('REQUESTS', 'index')
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headers_segments = config_manager.get_dict('REQUESTS', 'segments')
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session = requests.Session()
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session.verify = config_manager.get_bool('REQUESTS', 'verify_ssl')
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class M3U8_Segments:
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def __init__(self, url: str, tmp_folder: str):
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"""
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Initializes the M3U8_Segments object.
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Args:
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- url (str): The URL of the M3U8 playlist.
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- tmp_folder (str): The temporary folder to store downloaded segments.
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"""
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self.url = url
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self.tmp_folder = tmp_folder
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self.tmp_file_path = os.path.join(self.tmp_folder, "0.ts")
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os.makedirs(self.tmp_folder, exist_ok=True)
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# Util class
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self.decryption: M3U8_Decryption = None
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self.class_ts_estimator = M3U8_Ts_Estimator(0)
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self.class_url_fixer = M3U8_UrlFix(url)
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# Sync
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self.queue = PriorityQueue()
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self.stop_event = threading.Event()
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def __get_key__(self, m3u8_parser: M3U8_Parser) -> bytes:
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"""
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Retrieves the encryption key from the M3U8 playlist.
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Args:
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- m3u8_parser (M3U8_Parser): The parser object containing M3U8 playlist information.
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Returns:
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bytes: The encryption key in bytes.
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"""
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headers_index['user-agent'] = get_headers()
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# Construct the full URL of the key
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key_uri = urljoin(self.url, m3u8_parser.keys.get('uri'))
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logging.info(f"Uri key: {key_uri}")
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try:
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response = requests.get(key_uri, headers=headers_index)
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response.raise_for_status()
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except Exception as e:
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raise Exception(f"Failed to fetch key from {key_uri}: {e}")
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# Convert the content of the response to hexadecimal and then to bytes
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hex_content = binascii.hexlify(response.content).decode('utf-8')
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byte_content = bytes.fromhex(hex_content)
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logging.info(f"Key: ('hex': {hex_content}, 'byte': {byte_content})")
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return byte_content
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def parse_data(self, m3u8_content: str) -> None:
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"""
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Parses the M3U8 content to extract segment information.
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Args:
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- m3u8_content (str): The content of the M3U8 file.
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"""
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m3u8_parser = M3U8_Parser()
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m3u8_parser.parse_data(uri=self.url, raw_content=m3u8_content)
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console.log(f"[red]Expected duration after download: {m3u8_parser.get_duration()}")
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console.log(f"[red]There is key: [yellow]{m3u8_parser.keys is not None}")
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# Check if there is an encryption key in the playlis
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if m3u8_parser.keys is not None:
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try:
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# Extract byte from the key
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key = self.__get_key__(m3u8_parser)
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except Exception as e:
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raise Exception(f"Failed to retrieve encryption key {e}.")
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iv = m3u8_parser.keys.get('iv')
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method = m3u8_parser.keys.get('method')
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# Create a decryption object with the key and set the method
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self.decryption = M3U8_Decryption(key, iv, method)
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# Store the segment information parsed from the playlist
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self.segments = m3u8_parser.segments
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# Fix URL if it is incomplete (missing 'http')
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for i in range(len(self.segments)):
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segment_url = self.segments[i]
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if "http" not in segment_url:
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self.segments[i] = self.class_url_fixer.generate_full_url(segment_url)
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logging.info(f"Generated new URL: {self.segments[i]}, from: {segment_url}")
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# Update segments for estimator
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self.class_ts_estimator.total_segments = len(self.segments)
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logging.info(f"Segmnets to donwload: [{len(self.segments)}]")
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# Proxy
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if THERE_IS_PROXY_LIST:
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console.log("[red]Validate proxy.")
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self.valid_proxy = main_test_proxy(self.segments[0])
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console.log(f"[cyan]N. Valid ip: [red]{len(self.valid_proxy)}")
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if len(self.valid_proxy) == 0:
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sys.exit(0)
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def get_info(self) -> None:
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"""
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Makes a request to the index M3U8 file to get information about segments.
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"""
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headers_index['user-agent'] = get_headers()
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# Send a GET request to retrieve the index M3U8 file
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response = requests.get(self.url, headers=headers_index)
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response.raise_for_status()
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# Save the M3U8 file to the temporary folder
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if response.ok:
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path_m3u8_file = os.path.join(self.tmp_folder, "playlist.m3u8")
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open(path_m3u8_file, "w+").write(response.text)
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# Parse the text from the M3U8 index file
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self.parse_data(response.text)
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def make_requests_stream(self, ts_url: str, index: int, progress_bar: tqdm) -> None:
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"""
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Downloads a TS segment and adds it to the segment queue.
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Args:
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- ts_url (str): The URL of the TS segment.
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- index (int): The index of the segment.
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- progress_bar (tqdm): Progress counter for tracking download progress.
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"""
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try:
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# Generate headers
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start_time = time.time()
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headers_segments['user-agent'] = get_headers()
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# Make request to get content
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if THERE_IS_PROXY_LIST:
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proxy = self.valid_proxy[index % len(self.valid_proxy)]
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logging.info(f"Use proxy: {proxy}")
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response = session.get(ts_url, headers=headers_segments, timeout=REQUEST_TIMEOUT, proxies=proxy)
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else:
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response = session.get(ts_url, headers=headers_segments, timeout=REQUEST_TIMEOUT)
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# Get response content
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response.raise_for_status()
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segment_content = response.content
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# Update bar
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duration = time.time() - start_time
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response_size = int(response.headers.get('Content-Length', 0))
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self.class_ts_estimator.update_progress_bar(response_size, duration, progress_bar)
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# Decrypt the segment content if decryption is needed
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if self.decryption is not None:
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segment_content = self.decryption.decrypt(segment_content)
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# Add the segment to the queue
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self.queue.put((index, segment_content))
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progress_bar.update(1)
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except (HTTPError, ConnectionError, Timeout, RequestException) as e:
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progress_bar.update(1)
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logging.error(f"Request-related exception while downloading segment: {e}")
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except Exception as e:
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progress_bar.update(1)
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logging.error(f"An unexpected exception occurred while download segment: {e}")
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def write_segments_to_file(self):
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"""
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Writes downloaded segments to a file in the correct order.
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"""
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with open(self.tmp_file_path, 'wb') as f:
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expected_index = 0
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buffer = {}
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while not self.stop_event.is_set() or not self.queue.empty():
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try:
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index, segment_content = self.queue.get(timeout=1)
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if index == expected_index:
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f.write(segment_content)
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f.flush()
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expected_index += 1
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# Write any buffered segments in order
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while expected_index in buffer:
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f.write(buffer.pop(expected_index))
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f.flush()
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expected_index += 1
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else:
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buffer[index] = segment_content
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except queue.Empty:
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continue
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def download_streams(self, add_desc):
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"""
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Downloads all TS segments in parallel and writes them to a file.
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Args:
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- add_desc (str): Additional description for the progress bar.
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"""
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if TQDM_USE_LARGE_BAR:
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bar_format=f"{Colors.YELLOW}Downloading {Colors.WHITE}({add_desc}{Colors.WHITE}): {Colors.RED}{{percentage:.2f}}% {Colors.MAGENTA}{{bar}} {Colors.WHITE}[ {Colors.YELLOW}{{n_fmt}}{Colors.WHITE} / {Colors.RED}{{total_fmt}} {Colors.WHITE}] {Colors.YELLOW}{{elapsed}} {Colors.WHITE}< {Colors.CYAN}{{remaining}}{{postfix}} {Colors.WHITE}]"
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else:
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bar_format=f"{Colors.YELLOW}Proc{Colors.WHITE}: {Colors.RED}{{percentage:.2f}}% {Colors.WHITE}| {Colors.CYAN}{{remaining}}{{postfix}} {Colors.WHITE}]"
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# Create progress bar
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progress_bar = tqdm(
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total=len(self.segments),
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unit='s',
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ascii='░▒█',
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bar_format=bar_format
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)
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# Start a separate thread to write segments to the file
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writer_thread = threading.Thread(target=self.write_segments_to_file)
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writer_thread.start()
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# Start all workers
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with ThreadPoolExecutor(max_workers=TQDM_MAX_WORKER) as executor:
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for index, segment_url in enumerate(self.segments):
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time.sleep(TQDM_DELAY_WORKER)
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executor.submit(self.make_requests_stream, segment_url, index, progress_bar)
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# Wait for all tasks to complete
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executor.shutdown(wait=True)
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self.stop_event.set()
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writer_thread.join()
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progress_bar.close()
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