diff options
Diffstat (limited to 'youtube_dl/update.py')
| -rw-r--r-- | youtube_dl/update.py | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/youtube_dl/update.py b/youtube_dl/update.py index 273083761..d32a86708 100644 --- a/youtube_dl/update.py +++ b/youtube_dl/update.py @@ -13,13 +13,17 @@ from .utils import ( ) from .version import __version__ + def rsa_verify(message, signature, key): from struct import pack from hashlib import sha256 from sys import version_info + def b(x): - if version_info[0] == 2: return x - else: return x.encode('latin1') + if version_info[0] == 2: + return x + else: + return x.encode('latin1') assert(type(message) == type(b(''))) block_size = 0 n = key[0] @@ -32,13 +36,17 @@ def rsa_verify(message, signature, key): raw_bytes.insert(0, pack("B", signature & 0xFF)) signature >>= 8 signature = (block_size - len(raw_bytes)) * b('\x00') + b('').join(raw_bytes) - if signature[0:2] != b('\x00\x01'): return False + if signature[0:2] != b('\x00\x01'): + return False signature = signature[2:] - if not b('\x00') in signature: return False + if not b('\x00') in signature: + return False signature = signature[signature.index(b('\x00'))+1:] - if not signature.startswith(b('\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20')): return False + if not signature.startswith(b('\x30\x31\x30\x0D\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20')): + return False signature = signature[19:] - if signature != sha256(message).digest(): return False + if signature != sha256(message).digest(): + return False return True @@ -58,7 +66,8 @@ def update_self(to_screen, verbose): try: newversion = compat_urllib_request.urlopen(VERSION_URL).read().decode('utf-8').strip() except: - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: can\'t find the current version. Please try again later.') return if newversion == __version__: @@ -70,7 +79,8 @@ def update_self(to_screen, verbose): versions_info = compat_urllib_request.urlopen(JSON_URL).read().decode('utf-8') versions_info = json.loads(versions_info) except: - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: can\'t obtain versions info. Please try again later.') return if not 'signature' in versions_info: @@ -118,7 +128,8 @@ def update_self(to_screen, verbose): newcontent = urlh.read() urlh.close() except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: unable to download latest version') return @@ -131,7 +142,8 @@ def update_self(to_screen, verbose): with open(exe + '.new', 'wb') as outf: outf.write(newcontent) except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: unable to write the new version') return @@ -150,7 +162,8 @@ start /b "" cmd /c del "%%~f0"&exit /b" subprocess.Popen([bat]) # Continues to run in the background return # Do not show premature success messages except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: unable to overwrite current version') return @@ -161,7 +174,8 @@ start /b "" cmd /c del "%%~f0"&exit /b" newcontent = urlh.read() urlh.close() except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: unable to download latest version') return @@ -174,19 +188,22 @@ start /b "" cmd /c del "%%~f0"&exit /b" with open(filename, 'wb') as outf: outf.write(newcontent) except (IOError, OSError): - if verbose: to_screen(compat_str(traceback.format_exc())) + if verbose: + to_screen(compat_str(traceback.format_exc())) to_screen(u'ERROR: unable to overwrite current version') return to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.') + def get_notes(versions, fromVersion): notes = [] - for v,vdata in sorted(versions.items()): + for v, vdata in sorted(versions.items()): if v > fromVersion: notes.extend(vdata.get('notes', [])) return notes + def print_notes(to_screen, versions, fromVersion=__version__): notes = get_notes(versions, fromVersion) if notes: |