diff --git a/include/diaspora.php b/include/diaspora.php new file mode 100644 index 0000000000..eedcad719d --- /dev/null +++ b/include/diaspora.php @@ -0,0 +1,90 @@ +get_baseurl(), strpos('://') + 3); + + $padded_data = pkcs5_pad($msg); + $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv); + + $b64_data = base64_encode($inner_encrypted); + $b64url_data = base64url_encode($b64_data); + $b64url_stripped = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data); + $lines = str_split($b64url_stripped,60); + $data = implode("\n",$lines); + $data = $data . (($data[-1] != "\n") ? "\n" : '') ; + $type = 'application/atom+xml'; + $encoding = 'base64url'; + $alg = 'RSA-SHA256'; + + $signable_data = $data . '.' . base64url_encode($type) . "\n" . '.' + . base64url_encode($encoding) . "\n" . '.' . base64url_encode($alg) . "\n"; + + $signature = ''; + $result = openssl_sign($signable_data,$signature,$prvkey,'SHA256'); + + $sig = base64url_encode($signature); + +$decrypted_header = <<< EOT + + $b_inner_iv + $b_inner_aes_key + + {$contact['name']} + $handle + + +EOT; + + $decrypted_header = pkcs5_pad($decrypted_header); + $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv); + + $outer_json = json_encode(array('iv' => $b64_outer_iv,'key' => $b64_outer_aes_key)); + $encrypted_outer_key_bundle = ''; + openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey); + + $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle); + $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle), + 'ciphertext' => base64_encode($ciphertext))); + $encrypted_header = '' . base64_encode($encrypted_header_json_object) . ''; + +$magicenv = <<< EOT + + + $encrypted_header + + base64url + RSA-SHA256 + $data + $sig + + +EOT; + + return $magic_env; + +} \ No newline at end of file