X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=7ce661b09ea428ea05954b355e09ea298e04fb73;hb=5bc880b9887c9689fef171683eae279adbbfc186;hp=652dba59d59528fa1dd9fd58fb3052e9ccb5623f;hpb=cbecc9b9039d5166185a41ca4d9d6c4d11595c52;p=youtube-dl.git

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 652dba59d..7ce661b09 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -4,6 +4,7 @@
 from __future__ import unicode_literals
 
 import base64
+import binascii
 import calendar
 import codecs
 import contextlib
@@ -56,7 +57,7 @@ from .compat import (
 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:10.0) Gecko/20150101 Firefox/44.0 (Chrome)',
     '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',
@@ -248,7 +249,7 @@ def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
 
 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_attribute(attribute, value, html):
@@ -994,7 +995,7 @@ def date_from_str(date_str):
         unit += 's'
         delta = datetime.timedelta(**{unit: time})
         return today + delta
-    return datetime.datetime.strptime(date_str, "%Y%m%d").date()
+    return datetime.datetime.strptime(date_str, '%Y%m%d').date()
 
 
 def hyphenate_date(date_str):
@@ -1074,22 +1075,22 @@ def _windows_write_string(s, out):
 
     GetStdHandle = ctypes.WINFUNCTYPE(
         ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
-        (b"GetStdHandle", ctypes.windll.kernel32))
+        (b'GetStdHandle', ctypes.windll.kernel32))
     h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
 
     WriteConsoleW = ctypes.WINFUNCTYPE(
         ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
         ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
-        ctypes.wintypes.LPVOID)((b"WriteConsoleW", ctypes.windll.kernel32))
+        ctypes.wintypes.LPVOID)((b'WriteConsoleW', ctypes.windll.kernel32))
     written = ctypes.wintypes.DWORD(0)
 
-    GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b"GetFileType", ctypes.windll.kernel32))
+    GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b'GetFileType', ctypes.windll.kernel32))
     FILE_TYPE_CHAR = 0x0002
     FILE_TYPE_REMOTE = 0x8000
     GetConsoleMode = ctypes.WINFUNCTYPE(
         ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
         ctypes.POINTER(ctypes.wintypes.DWORD))(
-        (b"GetConsoleMode", ctypes.windll.kernel32))
+        (b'GetConsoleMode', ctypes.windll.kernel32))
     INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
 
     def not_a_console(handle):
@@ -1387,7 +1388,7 @@ def fix_xml_ampersands(xml_str):
 def setproctitle(title):
     assert isinstance(title, compat_str)
     try:
-        libc = ctypes.cdll.LoadLibrary("libc.so.6")
+        libc = ctypes.cdll.LoadLibrary('libc.so.6')
     except OSError:
         return
     title_bytes = title.encode('utf-8')
@@ -1427,7 +1428,7 @@ def url_basename(url):
 
 class HEADRequest(compat_urllib_request.Request):
     def get_method(self):
-        return "HEAD"
+        return 'HEAD'
 
 
 def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
@@ -1717,11 +1718,12 @@ def encode_dict(d, encoding='utf-8'):
     return dict((encode(k), encode(v)) for k, v in d.items())
 
 
-def dict_get(d, key_or_keys, default=None):
+def dict_get(d, key_or_keys, default=None, skip_false_values=True):
     if isinstance(key_or_keys, (list, tuple)):
         for key in key_or_keys:
-            if d.get(key):
-                return d[key]
+            if key not in d or d[key] is None or skip_false_values and not d[key]:
+                continue
+            return d[key]
         return default
     return d.get(key_or_keys, default)
 
@@ -1743,12 +1745,12 @@ def parse_age_limit(s):
     if s is None:
         return None
     m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
-    return int(m.group('age')) if m else US_RATINGS.get(s, None)
+    return int(m.group('age')) if m else US_RATINGS.get(s)
 
 
 def strip_jsonp(code):
     return re.sub(
-        r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
+        r'(?s)^[a-zA-Z0-9_.]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
 
 
 def js_to_json(code):
@@ -2581,3 +2583,20 @@ class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
             return None  # No Proxy
         return compat_urllib_request.ProxyHandler.proxy_open(
             self, req, proxy, type)
+
+
+def ohdave_rsa_encrypt(data, exponent, modulus):
+    '''
+    Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
+
+    Input:
+        data: data to encrypt, bytes-like object
+        exponent, modulus: parameter e and N of RSA algorithm, both integer
+    Output: hex string of encrypted data
+
+    Limitation: supports one block encryption only
+    '''
+
+    payload = int(binascii.hexlify(data[::-1]), 16)
+    encrypted = pow(payload, exponent, modulus)
+    return '%x' % encrypted