Switch codebase to use sanitized_Request instead of
[youtube-dl] / youtube_dl / downloader / external.py
index c055962550b5a7e5d73a898d2cdf5e20d34d13a9..2bc01126693fa4b520a34afe0ad0a67a61370829 100644 (file)
@@ -2,12 +2,15 @@ from __future__ import unicode_literals
 
 import os.path
 import subprocess
-import sys
 
 from .common import FileDownloader
 from ..utils import (
+    cli_option,
+    cli_valueless_option,
+    cli_bool_option,
+    cli_configuration_args,
     encodeFilename,
-    std_headers,
+    encodeArgument,
 )
 
 
@@ -46,73 +49,93 @@ class ExternalFD(FileDownloader):
     def supports(cls, info_dict):
         return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps')
 
-    def _calc_headers(self, info_dict):
-        res = std_headers.copy()
+    def _option(self, command_option, param):
+        return cli_option(self.params, command_option, param)
 
-        ua = info_dict.get('user_agent')
-        if ua is not None:
-            res['User-Agent'] = ua
+    def _bool_option(self, command_option, param, true_value='true', false_value='false', separator=None):
+        return cli_bool_option(self.params, command_option, param, true_value, false_value, separator)
 
-        cookies = self._calc_cookies(info_dict)
-        if cookies:
-            res['Cookie'] = cookies
+    def _valueless_option(self, command_option, param, expected_value=True):
+        return cli_valueless_option(self.params, command_option, param, expected_value)
 
-        return res
-
-    def _calc_cookies(self, info_dict):
-        class _PseudoRequest(object):
-            def __init__(self, url):
-                self.url = url
-                self.headers = {}
-                self.unverifiable = False
-
-            def add_unredirected_header(self, k, v):
-                self.headers[k] = v
-
-            def get_full_url(self):
-                return self.url
-
-            def is_unverifiable(self):
-                return self.unverifiable
-
-            def has_header(self, h):
-                return h in self.headers
-
-        pr = _PseudoRequest(info_dict['url'])
-        self.ydl.cookiejar.add_cookie_header(pr)
-        return pr.headers.get('Cookie')
+    def _configuration_args(self, default=[]):
+        return cli_configuration_args(self.params, 'external_downloader_args', default)
 
     def _call_downloader(self, tmpfilename, info_dict):
         """ Either overwrite this or implement _make_cmd """
-        cmd = self._make_cmd(tmpfilename, info_dict)
-
-        if sys.platform == 'win32' and sys.version_info < (3, 0):
-            # Windows subprocess module does not actually support Unicode
-            # on Python 2.x
-            # See http://stackoverflow.com/a/9951851/35070
-            subprocess_encoding = sys.getfilesystemencoding()
-            cmd = [a.encode(subprocess_encoding, 'ignore') for a in cmd]
-        else:
-            subprocess_encoding = None
-        self._debug_cmd(cmd, subprocess_encoding)
+        cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)]
+
+        self._debug_cmd(cmd)
 
         p = subprocess.Popen(
-            cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        stdout, stderr = p.communicate()
+            cmd, stderr=subprocess.PIPE)
+        _, stderr = p.communicate()
         if p.returncode != 0:
             self.to_stderr(stderr)
         return p.returncode
 
 
+class CurlFD(ExternalFD):
+    def _make_cmd(self, tmpfilename, info_dict):
+        cmd = [self.exe, '--location', '-o', tmpfilename]
+        for key, val in info_dict['http_headers'].items():
+            cmd += ['--header', '%s: %s' % (key, val)]
+        cmd += self._option('--interface', 'source_address')
+        cmd += self._option('--proxy', 'proxy')
+        cmd += self._valueless_option('--insecure', 'nocheckcertificate')
+        cmd += self._configuration_args()
+        cmd += ['--', info_dict['url']]
+        return cmd
+
+
+class AxelFD(ExternalFD):
+    def _make_cmd(self, tmpfilename, info_dict):
+        cmd = [self.exe, '-o', tmpfilename]
+        for key, val in info_dict['http_headers'].items():
+            cmd += ['-H', '%s: %s' % (key, val)]
+        cmd += self._configuration_args()
+        cmd += ['--', info_dict['url']]
+        return cmd
+
+
 class WgetFD(ExternalFD):
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
-        for key, val in self._calc_headers(info_dict).items():
+        for key, val in info_dict['http_headers'].items():
+            cmd += ['--header', '%s: %s' % (key, val)]
+        cmd += self._option('--bind-address', 'source_address')
+        cmd += self._option('--proxy', 'proxy')
+        cmd += self._valueless_option('--no-check-certificate', 'nocheckcertificate')
+        cmd += self._configuration_args()
+        cmd += ['--', info_dict['url']]
+        return cmd
+
+
+class Aria2cFD(ExternalFD):
+    def _make_cmd(self, tmpfilename, info_dict):
+        cmd = [self.exe, '-c']
+        cmd += self._configuration_args([
+            '--min-split-size', '1M', '--max-connection-per-server', '4'])
+        dn = os.path.dirname(tmpfilename)
+        if dn:
+            cmd += ['--dir', dn]
+        cmd += ['--out', os.path.basename(tmpfilename)]
+        for key, val in info_dict['http_headers'].items():
             cmd += ['--header', '%s: %s' % (key, val)]
+        cmd += self._option('--interface', 'source_address')
+        cmd += self._option('--all-proxy', 'proxy')
+        cmd += self._bool_option('--check-certificate', 'nocheckcertificate', 'false', 'true', '=')
         cmd += ['--', info_dict['url']]
         return cmd
 
 
+class HttpieFD(ExternalFD):
+    def _make_cmd(self, tmpfilename, info_dict):
+        cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']]
+        for key, val in info_dict['http_headers'].items():
+            cmd += ['%s:%s' % (key, val)]
+        return cmd
+
 _BY_NAME = dict(
     (klass.get_basename(), klass)
     for name, klass in globals().items()
@@ -127,5 +150,6 @@ def list_external_downloaders():
 def get_external_downloader(external_downloader):
     """ Given the name of the executable, see whether we support the given
         downloader . """
-    bn = os.path.basename(external_downloader)
+    # Drop .exe extension on Windows
+    bn = os.path.splitext(os.path.basename(external_downloader))[0]
     return _BY_NAME[bn]