93 lines
9.6 KiB
Plaintext
93 lines
9.6 KiB
Plaintext
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l m Z d dl Z G dd„ dƒZ!dS )é N)Ú DecodeError)Ú text_format)Ú
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wv_proto2_pb2)ÚSession)ÚKey)Úget_random_bytes)Úrandom)Ú
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PKCS1_OAEPÚAES)ÚCMACÚSHA256ÚHMACÚSHA1)ÚRSA)Úpss)ÚPaddingc @ sN e Zd Zdd„ Zddd„Zdd„ Zd d
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dS )ÚCdmc C s t t¡| _i | _d S )N)ÚloggingÚ getLoggerÚ__name__ÚloggerÚsessions)Úself© r ú'D:\#Tools\NETFLIX\pywidevine\cdm\cdm.pyÚ__init__ s z Cdm.__init__NFc C sÞ | j d ||¡¡ |jdkrVd dd„ tdƒD ƒ¡}d}d}|| | }| d ¡}n(|jd
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||ƒ} n| j d¡ d S | | j|< |S )Nz(open_session(init_data_b64={}, device={}ZandroidÚ c s s | ]}t d ¡V qdS )ZABCDEF0123456789N)r Úchoice)Ú.0Ú_r r r ú <genexpr># s z#Cdm.open_session.<locals>.<genexpr>é Z01Z00000000000000ÚasciiZchromezdevice type is unusableé TFzunable to parse init data)r ÚdebugÚformatZsession_id_typeÚjoinÚrangeÚencoder ÚerrorÚ
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isinstanceÚbytesÚ bytearrayÚraw_psshÚ_parse_init_datar r ) r Ú
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init_data_b64ZdeviceZ
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raw_init_dataÚofflineZ
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rand_bytesÚ init_dataZ new_sessionr r r Ú open_session s0
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zCdm.open_sessionc C sÄ t ¡ }y(| j d¡ | t |¡dd … ¡ W n^ tk
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|¡ ¡ D ]}| j |¡ q¬W |S )Nz"trying to parse init_data directlyé z:unable to parse as-is, trying with removed pssh box headerz-unable to parse, unsupported init data formatz
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init_data:) Ú wv_proto2ZWidevineCencHeaderr r$ ÚParseFromStringÚbase64Ú b64decoder r) r ÚMessageToStringÚ
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splitlines)r r/ Zparsed_init_dataZid_bytesÚliner r r r. @ s" zCdm._parse_init_datac C sR | j d |¡¡ || jkr8| j |¡ | j d¡ dS | j d |¡¡ dS d S )Nz close_session(session_id={})zcdm session closedr zsession {} not foundr# )r r$ r% r ÚpopÚinfo)r r2 r r r Ú
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close_sessionU s
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zCdm.close_sessionc C s0 | j d ||¡¡ || jkr.| j d¡ dS | j| }t ¡ }y| t |¡¡ W n t
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Nz/set_service_certificate(session_id={}, cert={})zsession id doesn't existr# z%failed to parse cert as SignedMessagez&service cert provided as signedmessagez0service cert provided as signeddevicecertificatezservice certificate:Tr )r r$ r% r r) r6 Z
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SignedMessager7 r8 r9 r ZSignedDeviceCertificateÚTypeÚMsgr r: r; Úservice_certificateÚ privacy_mode)r r2 Zcert_b64ÚsessionÚmessagerB r< r r r Úset_service_certificate` s<
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zCdm.set_service_certificatec C sà | j d |¡¡ || jkr,| j d¡ dS | j| }| jrFt ¡ }nt ¡ }t ¡ }t
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¡ �q¦W | j d tO P| 8¡ ¡¡¡ | 8¡ S )Nz"get_license_request(session_id={})zsession ID does not existr# z+no client ID blob available for this deviceÚrbz%client id failed to parse as protobufzbuilding license requestZLICENSE_REQUESTZOFFLINEZDEFAULTZNEWZCURRENTl z!vmp required, adding to client_idzreading vmp hashesz&vmp hashes failed to parse as protobufz?privacy mode & service certificate loaded, encrypting client idzunencrypted client id:r! z4need device private key, other methods unimplementedzsigning license requestzlicense request:zlicense request b64: {})Qr r$ r% r r) r- r6 ZSignedLicenseRequestRawZSignedLicenseRequestZClientIdentificationÚosÚpathÚexistsZ
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device_configZ device_client_id_blob_filenameÚopenr7 Úreadr Z MessageTypeZValuer@ rA Z ContentIdZCencIdZPsshZCopyFromr3 r0 Z LicenseTypeZ RequestIdZLicenseRequestZ RequestTypeÚintÚtimeZ RequestTimeZProtocolVersionZsend_key_control_noncer Ú randrangeZKeyControlNoncerC ZvmpZ
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FileHashesZdevice_vmp_blob_filenameZ _FileHashesr r: r; r r
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ÚnewÚMODE_CBCZencryptr ZpadÚSerializeToStringr Z importKeyrB Z_DeviceCertificateZ PublicKeyr Z EncryptedClientIdentificationZ ServiceIdZ SerialNumberZ ServiceCertificateSerialNumberZEncryptedClientIdZEncryptedClientIdIvZEncryptedPrivacyKeyZClientIdZprivate_key_availableZdevice_private_key_filenameÚ
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device_keyr r ÚsignÚ SignatureÚlicense_requestr8 Z b64encode)r r2 rD rV Z client_idÚfZ cid_bytesZ license_typeZ
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vmp_hashesZ vmp_bytesr< Z cid_aes_keyZcid_ivZ
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cid_cipherZencrypted_client_idZservice_public_keyZservice_cipherZencrypted_cid_keyZencrypted_client_id_protoÚkeyÚhashZ signaturer r r Úget_license_request� s°
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zCdm.get_license_requestc $
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¡ | ¡ }tj|jtd�}| |¡ | ¡ }|| }|| }||j d< ||j d< ||j d< | j d¡ t j|j d t d�}| |j ¡ ¡ | j d | ¡ t !|j"¡¡¡ | ¡ |j"k�rÎ| j #d¡ t$ddƒ�}| %t
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|¡¡ W d Q R X t$ddƒ�}| %| ¡ ¡ W d Q R X | j #d¡ | j d t&|jj'ƒ¡¡ xà|jj'D ]Ô}|j(�r|j(}ntj)j*j+ ,|j-¡ .d ¡}|j'}|j/} tj)j*j+ ,|j-¡} tj|j d tj0| d �} | |¡} | d k�r¢g } |j1}!x2|! 2¡ D ] \}"}#|#dk�r|| 3|"j4¡ �q|W ng } |j5 3t'|| t6 7| d ¡| ƒ¡ �qòW d!S )"Nz.provide_license(session_id={}, license_b64={})zsession does not existr# z!generate a license request first!z)unable to parse license - check protobufszlicense:z deriving keys from session keys ENCRYPTION s €s AUTHENTICATION s ó ó ó ó )Z ciphermodÚencZauth_1Zauth_2zverifying license signature)Z digestmodz!calculated sig: {} actual sig: {}zElicense signature doesn't match - writing bin so they can be debuggedzoriginal_lic.binÚwbzparsed_lic.binzcontinuing anywayz
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