?h ddlmZmZmZmZddlZddlZddlZddlZddl Z ddl m Z m Z m Z mZddlZddlZdZdZdZdZd dZy) )print_functionunicode_literalsabsolute_importdivisionN) ensure_text ensure_binarydata_to_string is_base64zprivate-encrypted-c0|jtryy)z[ is_encrypted_channel() checks if the channel is encrypted by verifying the prefix TF) startswithENCRYPTED_PREFIX)channels N/var/www/html/hubwallet-dev/venv/lib/python3.12/site-packages/pusher/crypto.pyis_encrypted_channelrs*+ c*| | td|:tjdt|dk(r t |dStd|Ft |r0t j|}t|dk(r|Stdtdy) z parse_master_key validates, parses and returns the bytes of the encryption master key from the constructor arguments. At present there is a deprecated "raw" key and a suggested base64 encoding. NzDo not provide both encryption_master_key and encryption_master_key_base64. encryption_master_key is deprecated, provide only encryption_master_key_base64zP`encryption_master_key` is deprecated, please use `encryption_master_key_base64` encryption_master_keyz+encryption_master_key must be 32 bytes longzNencryption_master_key_base64 must be a base64 string which decodes to 32 bytesz1encryption_master_key_base64 must be valid base64) ValueErrorwarningswarnlenrr base64 b64decode)rencryption_master_key_base64decodeds rparse_master_keyr#s (-I-Uab b( hi $ % + !68OP PJK K#/ 1 2&&'CDG7|r! !qrrPQ Q rcl| td||z}tj|jS)z generate_shared_secret() takes a six.binary_type (python2 str or python3 bytes) channel name and encryption_master_key and returns the sha256 hash in six.binary_type format zNo master key was provided for use with encrypted channels. Please provide encryption_master_key_base64 as an argument to the Pusher SDK)rhashlibsha256digest)rrhashables rgenerate_shared_secretr#AsB $de e..H >>( # * * ,,rct|d}t||}tjj |}|Btj j tjjj}n t|d}tj|}|j|jd|}|j}tj|} |jd| jddS)zS encrypt() encrypts the provided payload specified in the 'data' parameter rnoncezutf-8)r% ciphertext)rr#naclsecret SecretBoxutilsrandom NONCE_SIZEr b64encodeencryptencoder&decode) rdatarr% shared_secretbox nonce_b64 encrypted cipher_textcipher_text_b64s rr.r.LsGY/G*74IJM ++   .C } !!$++"7"7"B"BCeW-  'I DKK0%8I&&K&&{3O!''0@V@VW^@_ aar)N) __future__rrrrrr'rbinasciir pusher.utilrrr r nacl.secret nacl.utilsr rrr#r.rrr>sO   (< -br