X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/0865c28fb29a6481cd837cf8c1ef0cd134c6ef8e..e009904fe0a9f1250496bb42c12d66e8cca4c447:/youtube_dl/utils.py?ds=inline diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 1f3bfef..d2d3c1a 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -1,30 +1,32 @@ #!/usr/bin/env python -# -*- coding: utf-8 -*- +# coding: utf-8 from __future__ import unicode_literals +import base64 +import binascii import calendar import codecs import contextlib import ctypes import datetime import email.utils +import email.header import errno import functools import gzip -import itertools import io +import itertools import json import locale import math import operator import os -import pipes import platform +import random import re -import ssl import socket -import struct +import ssl import subprocess import sys import tempfile @@ -33,28 +35,54 @@ import xml.etree.ElementTree import zlib from .compat import ( + compat_HTMLParseError, + compat_HTMLParser, compat_basestring, compat_chr, - compat_getenv, + compat_cookiejar, + compat_ctypes_WINFUNCTYPE, + compat_etree_fromstring, + compat_expanduser, compat_html_entities, + compat_html_entities_html5, compat_http_client, + compat_kwargs, + compat_os_name, compat_parse_qs, - compat_socket_create_connection, + compat_shlex_quote, compat_str, + compat_struct_pack, + compat_struct_unpack, compat_urllib_error, compat_urllib_parse, + compat_urllib_parse_urlencode, compat_urllib_parse_urlparse, + compat_urllib_parse_unquote_plus, compat_urllib_request, compat_urlparse, - shlex_quote, + compat_xpath, ) +from .socks import ( + ProxyType, + sockssocket, +) + + +def register_socks_protocols(): + # "Register" SOCKS protocols + # In Python < 2.6.5, urlsplit() suffers from bug https://bugs.python.org/issue7904 + # URLs with protocols not in urlparse.uses_netloc are not handled correctly + for scheme in ('socks', 'socks4', 'socks4a', 'socks5'): + if scheme not in compat_urlparse.uses_netloc: + compat_urlparse.uses_netloc.append(scheme) + # This is not clearly defined otherwise compiled_regex_type = type(re.compile('')) std_headers = { - 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)', + 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0', 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Encoding': 'gzip, deflate', @@ -62,10 +90,102 @@ std_headers = { } +USER_AGENTS = { + 'Safari': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27', +} + + +NO_DEFAULT = object() + ENGLISH_MONTH_NAMES = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'] +MONTH_NAMES = { + 'en': ENGLISH_MONTH_NAMES, + 'fr': [ + 'janvier', 'février', 'mars', 'avril', 'mai', 'juin', + 'juillet', 'août', 'septembre', 'octobre', 'novembre', 'décembre'], +} + +KNOWN_EXTENSIONS = ( + 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac', + 'flv', 'f4v', 'f4a', 'f4b', + 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus', + 'mkv', 'mka', 'mk3d', + 'avi', 'divx', + 'mov', + 'asf', 'wmv', 'wma', + '3gp', '3g2', + 'mp3', + 'flac', + 'ape', + 'wav', + 'f4f', 'f4m', 'm3u8', 'smil') + +# needed for sanitizing filenames in restricted mode +ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ', + itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUYP', ['ss'], + 'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuypy'))) + +DATE_FORMATS = ( + '%d %B %Y', + '%d %b %Y', + '%B %d %Y', + '%B %dst %Y', + '%B %dnd %Y', + '%B %dth %Y', + '%b %d %Y', + '%b %dst %Y', + '%b %dnd %Y', + '%b %dth %Y', + '%b %dst %Y %I:%M', + '%b %dnd %Y %I:%M', + '%b %dth %Y %I:%M', + '%Y %m %d', + '%Y-%m-%d', + '%Y/%m/%d', + '%Y/%m/%d %H:%M', + '%Y/%m/%d %H:%M:%S', + '%Y-%m-%d %H:%M', + '%Y-%m-%d %H:%M:%S', + '%Y-%m-%d %H:%M:%S.%f', + '%d.%m.%Y %H:%M', + '%d.%m.%Y %H.%M', + '%Y-%m-%dT%H:%M:%SZ', + '%Y-%m-%dT%H:%M:%S.%fZ', + '%Y-%m-%dT%H:%M:%S.%f0Z', + '%Y-%m-%dT%H:%M:%S', + '%Y-%m-%dT%H:%M:%S.%f', + '%Y-%m-%dT%H:%M', + '%b %d %Y at %H:%M', + '%b %d %Y at %H:%M:%S', + '%B %d %Y at %H:%M', + '%B %d %Y at %H:%M:%S', +) + +DATE_FORMATS_DAY_FIRST = list(DATE_FORMATS) +DATE_FORMATS_DAY_FIRST.extend([ + '%d-%m-%Y', + '%d.%m.%Y', + '%d.%m.%y', + '%d/%m/%Y', + '%d/%m/%y', + '%d/%m/%Y %H:%M:%S', +]) + +DATE_FORMATS_MONTH_FIRST = list(DATE_FORMATS) +DATE_FORMATS_MONTH_FIRST.extend([ + '%m-%d-%Y', + '%m.%d.%Y', + '%m/%d/%Y', + '%m/%d/%y', + '%m/%d/%Y %H:%M:%S', +]) + +PACKED_CODES_RE = r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)" +JSON_LD_RE = r'(?is)]+type=(["\'])application/ld\+json\1[^>]*>(?P.+?)' + def preferredencoding(): """Get preferred encoding. @@ -76,7 +196,7 @@ def preferredencoding(): try: pref = locale.getpreferredencoding() 'TEST'.encode(pref) - except: + except Exception: pref = 'UTF-8' return pref @@ -115,7 +235,7 @@ def write_json_file(obj, fn): 'encoding': 'utf-8', }) - tf = tempfile.NamedTemporaryFile(**args) + tf = tempfile.NamedTemporaryFile(**compat_kwargs(args)) try: with tf: @@ -128,7 +248,7 @@ def write_json_file(obj, fn): except OSError: pass os.rename(tf.name, fn) - except: + except Exception: try: os.remove(tf.name) except OSError: @@ -137,21 +257,17 @@ def write_json_file(obj, fn): if sys.version_info >= (2, 7): - def find_xpath_attr(node, xpath, key, val): + def find_xpath_attr(node, xpath, key, val=None): """ Find the xpath xpath[@key=val] """ - assert re.match(r'^[a-zA-Z-]+$', key) - assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val) - expr = xpath + "[@%s='%s']" % (key, val) + assert re.match(r'^[a-zA-Z_-]+$', key) + expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val)) return node.find(expr) else: - def find_xpath_attr(node, xpath, key, val): - # Here comes the crazy part: In 2.6, if the xpath is a unicode, - # .//node does not match if a node is a direct child of . ! - if isinstance(xpath, compat_str): - xpath = xpath.encode('ascii') - - for f in node.findall(xpath): - if f.attrib.get(key) == val: + def find_xpath_attr(node, xpath, key, val=None): + for f in node.findall(compat_xpath(xpath)): + if key not in f.attrib: + continue + if val is None or f.attrib.get(key) == val: return f return None @@ -171,46 +287,139 @@ def xpath_with_ns(path, ns_map): return '/'.join(replaced) -def xpath_text(node, xpath, name=None, fatal=False): - if sys.version_info < (2, 7): # Crazy 2.6 - xpath = xpath.encode('ascii') +def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT): + def _find_xpath(xpath): + return node.find(compat_xpath(xpath)) + + if isinstance(xpath, (str, compat_str)): + n = _find_xpath(xpath) + else: + for xp in xpath: + n = _find_xpath(xp) + if n is not None: + break - n = node.find(xpath) - if n is None or n.text is None: - if fatal: + if n is None: + if default is not NO_DEFAULT: + return default + elif fatal: name = xpath if name is None else name raise ExtractorError('Could not find XML element %s' % name) else: return None + return n + + +def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT): + n = xpath_element(node, xpath, name, fatal=fatal, default=default) + if n is None or n == default: + return n + if n.text is None: + if default is not NO_DEFAULT: + return default + elif fatal: + name = xpath if name is None else name + raise ExtractorError('Could not find XML element\'s text %s' % name) + else: + return None return n.text +def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT): + n = find_xpath_attr(node, xpath, key) + if n is None: + if default is not NO_DEFAULT: + return default + elif fatal: + name = '%s[@%s]' % (xpath, key) if name is None else name + raise ExtractorError('Could not find XML attribute %s' % name) + else: + return None + return n.attrib[key] + + def get_element_by_id(id, html): """Return the content of the tag with the specified ID in the passed HTML document""" - return get_element_by_attribute("id", id, html) + return get_element_by_attribute('id', id, html) + + +def get_element_by_class(class_name, html): + """Return the content of the first tag with the specified class in the passed HTML document""" + retval = get_elements_by_class(class_name, html) + return retval[0] if retval else None + + +def get_element_by_attribute(attribute, value, html, escape_value=True): + retval = get_elements_by_attribute(attribute, value, html, escape_value) + return retval[0] if retval else None -def get_element_by_attribute(attribute, value, html): +def get_elements_by_class(class_name, html): + """Return the content of all tags with the specified class in the passed HTML document as a list""" + return get_elements_by_attribute( + 'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name), + html, escape_value=False) + + +def get_elements_by_attribute(attribute, value, html, escape_value=True): """Return the content of the tag with the specified attribute in the passed HTML document""" - m = re.search(r'''(?xs) + value = re.escape(value) if escape_value else value + + retlist = [] + for m in re.finditer(r'''(?xs) <([a-zA-Z0-9:._-]+) - (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*? + (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*? \s+%s=['"]?%s['"]? - (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*? + (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*? \s*> (?P.*?) - ''' % (re.escape(attribute), re.escape(value)), html) - - if not m: - return None - res = m.group('content') - - if res.startswith('"') or res.startswith("'"): - res = res[1:-1] - - return unescapeHTML(res) + ''' % (re.escape(attribute), value), html): + res = m.group('content') + + if res.startswith('"') or res.startswith("'"): + res = res[1:-1] + + retlist.append(unescapeHTML(res)) + + return retlist + + +class HTMLAttributeParser(compat_HTMLParser): + """Trivial HTML parser to gather the attributes for a single element""" + def __init__(self): + self.attrs = {} + compat_HTMLParser.__init__(self) + + def handle_starttag(self, tag, attrs): + self.attrs = dict(attrs) + + +def extract_attributes(html_element): + """Given a string for an HTML element such as + + Decode and return a dictionary of attributes. + { + 'a': 'foo', 'b': 'bar', c: 'baz', d: 'boz', + 'empty': '', 'noval': None, 'entity': '&', + 'sq': '"', 'dq': '\'' + }. + NB HTMLParser is stricter in Python 2.6 & 3.2 than in later versions, + but the cases in the unit test will work for all of 2.6, 2.7, 3.2-3.5. + """ + parser = HTMLAttributeParser() + try: + parser.feed(html_element) + parser.close() + # Older Python may throw HTMLParseError in case of malformed HTML + except compat_HTMLParseError: + pass + return parser.attrs def clean_html(html): @@ -221,8 +430,8 @@ def clean_html(html): # Newline vs
html = html.replace('\n', ' ') - html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html) - html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html) + html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html) + html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html) # Strip html tags html = re.sub('<.*?>', '', html) # Replace html entities @@ -253,15 +462,12 @@ def sanitize_open(filename, open_mode): raise # In case of error, try to remove win32 forbidden chars - alt_filename = os.path.join( - re.sub('[/<>:"\\|\\\\?\\*]', '#', path_part) - for path_part in os.path.split(filename) - ) + alt_filename = sanitize_path(filename) if alt_filename == filename: raise else: # An exception here should be caught in the caller - stream = open(encodeFilename(filename), open_mode) + stream = open(encodeFilename(alt_filename), open_mode) return (stream, alt_filename) @@ -277,9 +483,12 @@ def timeconvert(timestr): def sanitize_filename(s, restricted=False, is_id=False): """Sanitizes a string so it could be used as part of a filename. If restricted is set, use a stricter subset of allowed characters. - Set is_id if this is not an arbitrary string, but an ID that should be kept if possible + Set is_id if this is not an arbitrary string, but an ID that should be kept + if possible. """ def replace_insane(char): + if restricted and char in ACCENT_CHARS: + return ACCENT_CHARS[char] if char == '?' or ord(char) < 32 or ord(char) == 127: return '' elif char == '"': @@ -306,11 +515,57 @@ def sanitize_filename(s, restricted=False, is_id=False): result = result[2:] if result.startswith('-'): result = '_' + result[len('-'):] + result = result.lstrip('.') if not result: result = '_' return result +def sanitize_path(s): + """Sanitizes and normalizes path on Windows""" + if sys.platform != 'win32': + return s + drive_or_unc, _ = os.path.splitdrive(s) + if sys.version_info < (2, 7) and not drive_or_unc: + drive_or_unc, _ = os.path.splitunc(s) + norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep) + if drive_or_unc: + norm_path.pop(0) + sanitized_path = [ + path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part) + for path_part in norm_path] + if drive_or_unc: + sanitized_path.insert(0, drive_or_unc + os.path.sep) + return os.path.join(*sanitized_path) + + +def sanitize_url(url): + # Prepend protocol-less URLs with `http:` scheme in order to mitigate + # the number of unwanted failures due to missing protocol + if url.startswith('//'): + return 'http:%s' % url + # Fix some common typos seen so far + COMMON_TYPOS = ( + # https://github.com/rg3/youtube-dl/issues/15649 + (r'^httpss://', r'https://'), + # https://bx1.be/lives/direct-tv/ + (r'^rmtp([es]?)://', r'rtmp\1://'), + ) + for mistake, fixup in COMMON_TYPOS: + if re.match(mistake, url): + return re.sub(mistake, fixup, url) + return url + + +def sanitized_Request(url, *args, **kwargs): + return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs) + + +def expand_path(s): + """Expand shell variables and ~""" + return os.path.expandvars(compat_expanduser(s)) + + def orderedSet(iterable): """ Remove all duplicates from the input iterable """ res = [] @@ -320,13 +575,20 @@ def orderedSet(iterable): return res -def _htmlentity_transform(entity): +def _htmlentity_transform(entity_with_semicolon): """Transforms an HTML entity to a character.""" + entity = entity_with_semicolon[:-1] + # Known non-numeric HTML entity if entity in compat_html_entities.name2codepoint: return compat_chr(compat_html_entities.name2codepoint[entity]) - mobj = re.match(r'#(x?[0-9]+)', entity) + # TODO: HTML5 allows entities without a semicolon. For example, + # 'Éric' should be decoded as 'Éric'. + if entity_with_semicolon in compat_html_entities_html5: + return compat_html_entities_html5[entity_with_semicolon] + + mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity) if mobj is not None: numstr = mobj.group(1) if numstr.startswith('x'): @@ -334,10 +596,14 @@ def _htmlentity_transform(entity): numstr = '0%s' % numstr else: base = 10 - return compat_chr(int(numstr, base)) + # See https://github.com/rg3/youtube-dl/issues/7518 + try: + return compat_chr(int(numstr, base)) + except ValueError: + pass # Unknown entity in name, return its literal representation - return ('&%s;' % entity) + return '&%s;' % entity def unescapeHTML(s): @@ -346,7 +612,19 @@ def unescapeHTML(s): assert type(s) == compat_str return re.sub( - r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s) + r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s) + + +def get_subprocess_encoding(): + if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: + # For subprocess calls, encode with locale encoding + # Refer to http://stackoverflow.com/a/9951851/35070 + encoding = preferredencoding() + else: + encoding = sys.getfilesystemencoding() + if encoding is None: + encoding = 'utf-8' + return encoding def encodeFilename(s, for_subprocess=False): @@ -360,21 +638,28 @@ def encodeFilename(s, for_subprocess=False): if sys.version_info >= (3, 0): return s - if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: - # Pass '' directly to use Unicode APIs on Windows 2000 and up - # (Detecting Windows NT 4 is tricky because 'major >= 4' would - # match Windows 9x series as well. Besides, NT 4 is obsolete.) - if not for_subprocess: - return s - else: - # For subprocess calls, encode with locale encoding - # Refer to http://stackoverflow.com/a/9951851/35070 - encoding = preferredencoding() - else: - encoding = sys.getfilesystemencoding() - if encoding is None: - encoding = 'utf-8' - return s.encode(encoding, 'ignore') + # Pass '' directly to use Unicode APIs on Windows 2000 and up + # (Detecting Windows NT 4 is tricky because 'major >= 4' would + # match Windows 9x series as well. Besides, NT 4 is obsolete.) + if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: + return s + + # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible + if sys.platform.startswith('java'): + return s + + return s.encode(get_subprocess_encoding(), 'ignore') + + +def decodeFilename(b, for_subprocess=False): + + if sys.version_info >= (3, 0): + return b + + if not isinstance(b, bytes): + return b + + return b.decode(get_subprocess_encoding(), 'ignore') def encodeArgument(s): @@ -386,6 +671,10 @@ def encodeArgument(s): return encodeFilename(s, True) +def decodeArgument(b): + return decodeFilename(b, True) + + def decodeOption(optval): if optval is None: return optval @@ -430,7 +719,23 @@ def make_HTTPS_handler(params, **kwargs): return YoutubeDLHTTPSHandler(params, context=context, **kwargs) -class ExtractorError(Exception): +def bug_reports_message(): + if ytdl_is_updateable(): + update_cmd = 'type youtube-dl -U to update' + else: + update_cmd = 'see https://yt-dl.org/update on how to update' + msg = '; please report this issue on https://yt-dl.org/bug .' + msg += ' Make sure you are using the latest version; %s.' % update_cmd + msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.' + return msg + + +class YoutubeDLError(Exception): + """Base exception for YoutubeDL errors.""" + pass + + +class ExtractorError(YoutubeDLError): """Error during info extraction.""" def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None): @@ -445,13 +750,7 @@ class ExtractorError(Exception): if cause: msg += ' (caused by %r)' % cause if not expected: - if ytdl_is_updateable(): - update_cmd = 'type youtube-dl -U to update' - else: - update_cmd = 'see https://yt-dl.org/update on how to update' - msg += '; please report this issue on https://yt-dl.org/bug .' - msg += ' Make sure you are using the latest version; %s.' % update_cmd - msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.' + msg += bug_reports_message() super(ExtractorError, self).__init__(msg) self.traceback = tb @@ -477,7 +776,19 @@ class RegexNotFoundError(ExtractorError): pass -class DownloadError(Exception): +class GeoRestrictedError(ExtractorError): + """Geographic restriction Error exception. + + This exception may be thrown when a video is not available from your + geographic location due to geographic restrictions imposed by a website. + """ + def __init__(self, msg, countries=None): + super(GeoRestrictedError, self).__init__(msg, expected=True) + self.msg = msg + self.countries = countries + + +class DownloadError(YoutubeDLError): """Download Error exception. This exception may be thrown by FileDownloader objects if they are not @@ -491,7 +802,7 @@ class DownloadError(Exception): self.exc_info = exc_info -class SameFileError(Exception): +class SameFileError(YoutubeDLError): """Same File exception. This exception will be thrown by FileDownloader objects if they detect @@ -500,7 +811,7 @@ class SameFileError(Exception): pass -class PostProcessingError(Exception): +class PostProcessingError(YoutubeDLError): """Post Processing exception. This exception may be raised by PostProcessor's .run() method to @@ -508,15 +819,16 @@ class PostProcessingError(Exception): """ def __init__(self, msg): + super(PostProcessingError, self).__init__(msg) self.msg = msg -class MaxDownloadsReached(Exception): +class MaxDownloadsReached(YoutubeDLError): """ --max-downloads limit has been reached. """ pass -class UnavailableVideoError(Exception): +class UnavailableVideoError(YoutubeDLError): """Unavailable Format exception. This exception will be thrown when a video is requested @@ -525,32 +837,96 @@ class UnavailableVideoError(Exception): pass -class ContentTooShortError(Exception): +class ContentTooShortError(YoutubeDLError): """Content Too Short exception. This exception may be raised by FileDownloader objects when a file they download is too small for what the server announced first, indicating the connection was probably interrupted. """ - # Both in bytes - downloaded = None - expected = None def __init__(self, downloaded, expected): + super(ContentTooShortError, self).__init__( + 'Downloaded {0} bytes, expected {1} bytes'.format(downloaded, expected) + ) + # Both in bytes self.downloaded = downloaded self.expected = expected +class XAttrMetadataError(YoutubeDLError): + def __init__(self, code=None, msg='Unknown error'): + super(XAttrMetadataError, self).__init__(msg) + self.code = code + self.msg = msg + + # Parsing code and msg + if (self.code in (errno.ENOSPC, errno.EDQUOT) or + 'No space left' in self.msg or 'Disk quota excedded' in self.msg): + self.reason = 'NO_SPACE' + elif self.code == errno.E2BIG or 'Argument list too long' in self.msg: + self.reason = 'VALUE_TOO_LONG' + else: + self.reason = 'NOT_SUPPORTED' + + +class XAttrUnavailableError(YoutubeDLError): + pass + + def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs): - hc = http_class(*args, **kwargs) + # Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting + # expected HTTP responses to meet HTTP/1.0 or later (see also + # https://github.com/rg3/youtube-dl/issues/6727) + if sys.version_info < (3, 0): + kwargs['strict'] = True + hc = http_class(*args, **compat_kwargs(kwargs)) source_address = ydl_handler._params.get('source_address') + if source_address is not None: + # This is to workaround _create_connection() from socket where it will try all + # address data from getaddrinfo() including IPv6. This filters the result from + # getaddrinfo() based on the source_address value. + # This is based on the cpython socket.create_connection() function. + # https://github.com/python/cpython/blob/master/Lib/socket.py#L691 + def _create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None): + host, port = address + err = None + addrs = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM) + af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6 + ip_addrs = [addr for addr in addrs if addr[0] == af] + if addrs and not ip_addrs: + ip_version = 'v4' if af == socket.AF_INET else 'v6' + raise socket.error( + "No remote IP%s addresses available for connect, can't use '%s' as source address" + % (ip_version, source_address[0])) + for res in ip_addrs: + af, socktype, proto, canonname, sa = res + sock = None + try: + sock = socket.socket(af, socktype, proto) + if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT: + sock.settimeout(timeout) + sock.bind(source_address) + sock.connect(sa) + err = None # Explicitly break reference cycle + return sock + except socket.error as _: + err = _ + if sock is not None: + sock.close() + if err is not None: + raise err + else: + raise socket.error('getaddrinfo returns an empty list') + if hasattr(hc, '_create_connection'): + hc._create_connection = _create_connection sa = (source_address, 0) if hasattr(hc, 'source_address'): # Python 2.7+ hc.source_address = sa else: # Python 2.6 def _hc_connect(self, *args, **kwargs): - sock = compat_socket_create_connection( + sock = _create_connection( (self.host, self.port), self.timeout, sa) if is_https: self.sock = ssl.wrap_socket( @@ -563,6 +939,16 @@ def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs): return hc +def handle_youtubedl_headers(headers): + filtered_headers = headers + + if 'Youtubedl-no-compression' in filtered_headers: + filtered_headers = dict((k, v) for k, v in filtered_headers.items() if k.lower() != 'accept-encoding') + del filtered_headers['Youtubedl-no-compression'] + + return filtered_headers + + class YoutubeDLHandler(compat_urllib_request.HTTPHandler): """Handler for HTTP requests and responses. @@ -570,7 +956,7 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): the standard headers to every HTTP request and handles gzipped and deflated responses from web servers. If compression is to be avoided in a particular request, the original request in the program code only has - to include the HTTP header "Youtubedl-No-Compression", which will be + to include the HTTP header "Youtubedl-no-compression", which will be removed before making the real request. Part of this code was copied from: @@ -586,8 +972,15 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): self._params = params def http_open(self, req): + conn_class = compat_http_client.HTTPConnection + + socks_proxy = req.headers.get('Ytdl-socks-proxy') + if socks_proxy: + conn_class = make_socks_conn_class(conn_class, socks_proxy) + del req.headers['Ytdl-socks-proxy'] + return self.do_open(functools.partial( - _create_http_connection, self, compat_http_client.HTTPConnection, False), + _create_http_connection, self, conn_class, False), req) @staticmethod @@ -597,24 +990,29 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): except zlib.error: return zlib.decompress(data) - @staticmethod - def addinfourl_wrapper(stream, headers, url, code): - if hasattr(compat_urllib_request.addinfourl, 'getcode'): - return compat_urllib_request.addinfourl(stream, headers, url, code) - ret = compat_urllib_request.addinfourl(stream, headers, url) - ret.code = code - return ret - def http_request(self, req): + # According to RFC 3986, URLs can not contain non-ASCII characters, however this is not + # always respected by websites, some tend to give out URLs with non percent-encoded + # non-ASCII characters (see telemb.py, ard.py [#3412]) + # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991) + # To work around aforementioned issue we will replace request's original URL with + # percent-encoded one + # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09) + # the code of this workaround has been moved here from YoutubeDL.urlopen() + url = req.get_full_url() + url_escaped = escape_url(url) + + # Substitute URL if any change after escaping + if url != url_escaped: + req = update_Request(req, url=url_escaped) + for h, v in std_headers.items(): # Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275 # The dict keys are capitalized because of this bug by urllib if h.capitalize() not in req.headers: req.add_header(h, v) - if 'Youtubedl-no-compression' in req.headers: - if 'Accept-encoding' in req.headers: - del req.headers['Accept-encoding'] - del req.headers['Youtubedl-no-compression'] + + req.headers = handle_youtubedl_headers(req.headers) if sys.version_info < (2, 7) and '#' in req.get_full_url(): # Python 2.6 is brain-dead when it comes to fragments @@ -643,19 +1041,80 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): break else: raise original_ioerror - resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code) + resp = compat_urllib_request.addinfourl(uncompressed, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg + del resp.headers['Content-encoding'] # deflate if resp.headers.get('Content-encoding', '') == 'deflate': gz = io.BytesIO(self.deflate(resp.read())) - resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code) + resp = compat_urllib_request.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg + del resp.headers['Content-encoding'] + # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see + # https://github.com/rg3/youtube-dl/issues/6457). + if 300 <= resp.code < 400: + location = resp.headers.get('Location') + if location: + # As of RFC 2616 default charset is iso-8859-1 that is respected by python 3 + if sys.version_info >= (3, 0): + location = location.encode('iso-8859-1').decode('utf-8') + else: + location = location.decode('utf-8') + location_escaped = escape_url(location) + if location != location_escaped: + del resp.headers['Location'] + if sys.version_info < (3, 0): + location_escaped = location_escaped.encode('utf-8') + resp.headers['Location'] = location_escaped return resp https_request = http_request https_response = http_response +def make_socks_conn_class(base_class, socks_proxy): + assert issubclass(base_class, ( + compat_http_client.HTTPConnection, compat_http_client.HTTPSConnection)) + + url_components = compat_urlparse.urlparse(socks_proxy) + if url_components.scheme.lower() == 'socks5': + socks_type = ProxyType.SOCKS5 + elif url_components.scheme.lower() in ('socks', 'socks4'): + socks_type = ProxyType.SOCKS4 + elif url_components.scheme.lower() == 'socks4a': + socks_type = ProxyType.SOCKS4A + + def unquote_if_non_empty(s): + if not s: + return s + return compat_urllib_parse_unquote_plus(s) + + proxy_args = ( + socks_type, + url_components.hostname, url_components.port or 1080, + True, # Remote DNS + unquote_if_non_empty(url_components.username), + unquote_if_non_empty(url_components.password), + ) + + class SocksConnection(base_class): + def connect(self): + self.sock = sockssocket() + self.sock.setproxy(*proxy_args) + if type(self.timeout) in (int, float): + self.sock.settimeout(self.timeout) + self.sock.connect((self.host, self.port)) + + if isinstance(self, compat_http_client.HTTPSConnection): + if hasattr(self, '_context'): # Python > 2.6 + self.sock = self._context.wrap_socket( + self.sock, server_hostname=self.host) + else: + self.sock = ssl.wrap_socket(self.sock) + + return SocksConnection + + class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler): def __init__(self, params, https_conn_class=None, *args, **kwargs): compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs) @@ -664,39 +1123,113 @@ class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler): def https_open(self, req): kwargs = {} + conn_class = self._https_conn_class + if hasattr(self, '_context'): # python > 2.6 kwargs['context'] = self._context if hasattr(self, '_check_hostname'): # python 3.x kwargs['check_hostname'] = self._check_hostname + + socks_proxy = req.headers.get('Ytdl-socks-proxy') + if socks_proxy: + conn_class = make_socks_conn_class(conn_class, socks_proxy) + del req.headers['Ytdl-socks-proxy'] + return self.do_open(functools.partial( - _create_http_connection, self, self._https_conn_class, True), + _create_http_connection, self, conn_class, True), req, **kwargs) +class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar): + def save(self, filename=None, ignore_discard=False, ignore_expires=False): + # Store session cookies with `expires` set to 0 instead of an empty + # string + for cookie in self: + if cookie.expires is None: + cookie.expires = 0 + compat_cookiejar.MozillaCookieJar.save(self, filename, ignore_discard, ignore_expires) + + def load(self, filename=None, ignore_discard=False, ignore_expires=False): + compat_cookiejar.MozillaCookieJar.load(self, filename, ignore_discard, ignore_expires) + # Session cookies are denoted by either `expires` field set to + # an empty string or 0. MozillaCookieJar only recognizes the former + # (see [1]). So we need force the latter to be recognized as session + # cookies on our own. + # Session cookies may be important for cookies-based authentication, + # e.g. usually, when user does not check 'Remember me' check box while + # logging in on a site, some important cookies are stored as session + # cookies so that not recognizing them will result in failed login. + # 1. https://bugs.python.org/issue17164 + for cookie in self: + # Treat `expires=0` cookies as session cookies + if cookie.expires == 0: + cookie.expires = None + cookie.discard = True + + +class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor): + def __init__(self, cookiejar=None): + compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar) + + def http_response(self, request, response): + # Python 2 will choke on next HTTP request in row if there are non-ASCII + # characters in Set-Cookie HTTP header of last response (see + # https://github.com/rg3/youtube-dl/issues/6769). + # In order to at least prevent crashing we will percent encode Set-Cookie + # header before HTTPCookieProcessor starts processing it. + # if sys.version_info < (3, 0) and response.headers: + # for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'): + # set_cookie = response.headers.get(set_cookie_header) + # if set_cookie: + # set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ") + # if set_cookie != set_cookie_escaped: + # del response.headers[set_cookie_header] + # response.headers[set_cookie_header] = set_cookie_escaped + return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response) + + https_request = compat_urllib_request.HTTPCookieProcessor.http_request + https_response = http_response + + +def extract_timezone(date_str): + m = re.search( + r'^.{8,}?(?PZ$| ?(?P\+|-)(?P[0-9]{2}):?(?P[0-9]{2})$)', + date_str) + if not m: + timezone = datetime.timedelta() + else: + date_str = date_str[:-len(m.group('tz'))] + if not m.group('sign'): + timezone = datetime.timedelta() + else: + sign = 1 if m.group('sign') == '+' else -1 + timezone = datetime.timedelta( + hours=sign * int(m.group('hours')), + minutes=sign * int(m.group('minutes'))) + return timezone, date_str + + def parse_iso8601(date_str, delimiter='T', timezone=None): """ Return a UNIX timestamp from the given date """ if date_str is None: return None + date_str = re.sub(r'\.[0-9]+', '', date_str) + if timezone is None: - m = re.search( - r'(\.[0-9]+)?(?:Z$| ?(?P\+|-)(?P[0-9]{2}):?(?P[0-9]{2})$)', - date_str) - if not m: - timezone = datetime.timedelta() - else: - date_str = date_str[:-len(m.group(0))] - if not m.group('sign'): - timezone = datetime.timedelta() - else: - sign = 1 if m.group('sign') == '+' else -1 - timezone = datetime.timedelta( - hours=sign * int(m.group('hours')), - minutes=sign * int(m.group('minutes'))) - date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter) - dt = datetime.datetime.strptime(date_str, date_format) - timezone - return calendar.timegm(dt.timetuple()) + timezone, date_str = extract_timezone(date_str) + + try: + date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter) + dt = datetime.datetime.strptime(date_str, date_format) - timezone + return calendar.timegm(dt.timetuple()) + except ValueError: + pass + + +def date_formats(day_first=True): + return DATE_FORMATS_DAY_FIRST if day_first else DATE_FORMATS_MONTH_FIRST def unified_strdate(date_str, day_first=True): @@ -707,49 +1240,11 @@ def unified_strdate(date_str, day_first=True): upload_date = None # Replace commas date_str = date_str.replace(',', ' ') - # %z (UTC offset) is only supported in python>=3.2 - date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', date_str) # Remove AM/PM + timezone date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str) + _, date_str = extract_timezone(date_str) - format_expressions = [ - '%d %B %Y', - '%d %b %Y', - '%B %d %Y', - '%b %d %Y', - '%b %dst %Y %I:%M%p', - '%b %dnd %Y %I:%M%p', - '%b %dth %Y %I:%M%p', - '%Y %m %d', - '%Y-%m-%d', - '%Y/%m/%d', - '%Y/%m/%d %H:%M:%S', - '%Y-%m-%d %H:%M:%S', - '%Y-%m-%d %H:%M:%S.%f', - '%d.%m.%Y %H:%M', - '%d.%m.%Y %H.%M', - '%Y-%m-%dT%H:%M:%SZ', - '%Y-%m-%dT%H:%M:%S.%fZ', - '%Y-%m-%dT%H:%M:%S.%f0Z', - '%Y-%m-%dT%H:%M:%S', - '%Y-%m-%dT%H:%M:%S.%f', - '%Y-%m-%dT%H:%M', - ] - if day_first: - format_expressions.extend([ - '%d.%m.%Y', - '%d/%m/%Y', - '%d/%m/%y', - '%d/%m/%Y %H:%M:%S', - ]) - else: - format_expressions.extend([ - '%m.%d.%Y', - '%m/%d/%Y', - '%m/%d/%y', - '%m/%d/%Y %H:%M:%S', - ]) - for expression in format_expressions: + for expression in date_formats(day_first): try: upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d') except ValueError: @@ -757,16 +1252,56 @@ def unified_strdate(date_str, day_first=True): if upload_date is None: timetuple = email.utils.parsedate_tz(date_str) if timetuple: - upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d') - return upload_date + try: + upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d') + except ValueError: + pass + if upload_date is not None: + return compat_str(upload_date) + + +def unified_timestamp(date_str, day_first=True): + if date_str is None: + return None + + date_str = re.sub(r'[,|]', '', date_str) + + pm_delta = 12 if re.search(r'(?i)PM', date_str) else 0 + timezone, date_str = extract_timezone(date_str) + + # Remove AM/PM + timezone + date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str) + + # Remove unrecognized timezones from ISO 8601 alike timestamps + m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P\s*[A-Z]+)$', date_str) + if m: + date_str = date_str[:-len(m.group('tz'))] + + # Python only supports microseconds, so remove nanoseconds + m = re.search(r'^([0-9]{4,}-[0-9]{1,2}-[0-9]{1,2}T[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}\.[0-9]{6})[0-9]+$', date_str) + if m: + date_str = m.group(1) + + for expression in date_formats(day_first): + try: + dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta) + return calendar.timegm(dt.timetuple()) + except ValueError: + pass + timetuple = email.utils.parsedate_tz(date_str) + if timetuple: + return calendar.timegm(timetuple) + pm_delta * 3600 def determine_ext(url, default_ext='unknown_video'): - if url is None: + if url is None or '.' not in url: return default_ext guess = url.partition('?')[0].rpartition('.')[2] if re.match(r'^[A-Za-z0-9]+$', guess): return guess + # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download + elif guess.rstrip('/') in KNOWN_EXTENSIONS: + return guess.rstrip('/') else: return default_ext @@ -784,14 +1319,14 @@ def date_from_str(date_str): return today if date_str == 'yesterday': return today - datetime.timedelta(days=1) - match = re.match('(now|today)(?P[+-])(?P