Class: LastPass::Fetcher
- Inherits:
-
Object
- Object
- LastPass::Fetcher
- Defined in:
- lib/lastpass/fetcher.rb
Class Method Summary collapse
- .create_session(parsed_response, key_iteration_count) ⇒ Object
- .decode_blob(blob) ⇒ Object
- .fetch(session, web_client = http) ⇒ Object
- .http ⇒ Object
- .http=(client) ⇒ Object
- .login(username, password, multifactor_password = nil, client_id = nil) ⇒ Object
- .login_error(parsed_response) ⇒ Object
- .logout(session, web_client = http) ⇒ Object
- .make_hash(username, password, key_iteration_count) ⇒ Object
- .make_key(username, password, key_iteration_count) ⇒ Object
- .request_iteration_count(username, web_client = http) ⇒ Object
- .request_login(username, password, key_iteration_count, multifactor_password = nil, client_id = nil, web_client = http) ⇒ Object
Class Method Details
.create_session(parsed_response, key_iteration_count) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 79 def self.create_session parsed_response, key_iteration_count ok = (parsed_response["response"] || {})["ok"] if ok.is_a? Hash session_id = ok["sessionid"] if session_id.is_a? String private_key = ok["privatekeyenc"] private_key = nil if private_key == "" return Session.new session_id, key_iteration_count, private_key end end nil end |
.decode_blob(blob) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 116 def self.decode_blob blob # TODO: Check for invalid base64 Base64.decode64 blob end |
.fetch(session, web_client = http) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 18 def self.fetch session, web_client = http response = web_client.get "https://lastpass.com/getaccts.php?mobile=1&b64=1&hash=0.0&hasplugin=3.0.23&requestsrc=cli", format: :plain, cookies: {"PHPSESSID" => URI.encode_www_form_component(session.id)} raise NetworkError unless response.response.is_a? Net::HTTPOK Blob.new decode_blob(response.parsed_response), session.key_iteration_count, session.encrypted_private_key end |
.http ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 141 def self.http @http ||= HTTP end |
.http=(client) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 145 def self.http= client @http = client end |
.login(username, password, multifactor_password = nil, client_id = nil) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 6 def self.login username, password, multifactor_password = nil, client_id = nil key_iteration_count = request_iteration_count username request_login username, password, key_iteration_count, multifactor_password, client_id end |
.login_error(parsed_response) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 94 def self.login_error parsed_response error = (parsed_response["response"] || {})["error"] return UnknownResponseSchemaError unless error.is_a? Hash exceptions = { "unknownemail" => LastPassUnknownUsernameError, "unknownpassword" => LastPassInvalidPasswordError, "googleauthrequired" => LastPassIncorrectGoogleAuthenticatorCodeError, "googleauthfailed" => LastPassIncorrectGoogleAuthenticatorCodeError, "otprequired" => LastPassIncorrectYubikeyPasswordError, } cause = error["cause"] = error["message"] if cause (exceptions[cause] || LastPassUnknownError).new || cause else InvalidResponseError.new end end |
.logout(session, web_client = http) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 11 def self.logout session, web_client = http response = web_client.get "https://lastpass.com/logout.php?method=cli&noredirect=1", cookies: {"PHPSESSID" => URI.encode_www_form_component(session.id)} raise NetworkError unless response.response.is_a? Net::HTTPOK end |
.make_hash(username, password, key_iteration_count) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 129 def self.make_hash username, password, key_iteration_count if key_iteration_count == 1 Digest::SHA256.hexdigest Digest.hexencode(make_key(username, password, 1)) + password else Digest.hexencode OpenSSL::PKCS5.pbkdf2_hmac make_key(username, password, key_iteration_count), password, 1, 32, "sha256" end end |
.make_key(username, password, key_iteration_count) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 121 def self.make_key username, password, key_iteration_count if key_iteration_count == 1 Digest::SHA256.digest username + password else OpenSSL::PKCS5.pbkdf2_hmac password, username, key_iteration_count, 32, "sha256" end end |
.request_iteration_count(username, web_client = http) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 30 def self.request_iteration_count username, web_client = http response = web_client.post "https://lastpass.com/iterations.php", body: {email: username} raise NetworkError unless response.response.is_a? Net::HTTPOK begin count = Integer response.parsed_response rescue ArgumentError raise InvalidResponseError, "Key iteration count is invalid" end raise InvalidResponseError, "Key iteration count is not positive" unless count > 0 count end |
.request_login(username, password, key_iteration_count, multifactor_password = nil, client_id = nil, web_client = http) ⇒ Object
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# File 'lib/lastpass/fetcher.rb', line 47 def self.request_login username, password, key_iteration_count, multifactor_password = nil, client_id = nil, web_client = http body = { method: "cli", xml: 2, username: username, hash: make_hash(username, password, key_iteration_count), iterations: key_iteration_count, includeprivatekeyenc: 1 } body[:otp] = multifactor_password if multifactor_password body[:imei] = client_id if client_id response = web_client.post "https://lastpass.com/login.php", format: :xml, body: body raise NetworkError unless response.response.is_a? Net::HTTPOK parsed_response = response.parsed_response raise InvalidResponseError unless parsed_response.is_a? Hash create_session parsed_response, key_iteration_count or raise login_error parsed_response end |