Module: Yakg::Backend::MacosKeychain
Defined Under Namespace
Classes: KeychainError, SecKeychainAttribute, SecKeychainAttributeInfo, SecKeychainAttributeList
Constant Summary collapse
- NULL =
FFI::Pointer::NULL
Class Method Summary collapse
Instance Method Summary collapse
- #delete(acct, svc) ⇒ Object
- #error_message(code) ⇒ Object
- #get(acct, svc) ⇒ Object
- #list(svc) ⇒ Object
- #raise_error?(code) ⇒ Boolean
- #s2i(s) ⇒ Object
- #set(acct, value, svc) ⇒ Object
Class Method Details
.framework(name) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 18 def self.framework name "/System/Library/Frameworks/#{name}.framework/#{name}" end |
.s2i(s) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 129 def self.s2i s s.unpack("N")[0].to_i end |
Instance Method Details
#delete(acct, svc) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 75 def delete acct, svc pw_length = FFI::MemoryPointer.new :uint32 pw_val = FFI::MemoryPointer.new :pointer item_ref = FFI::MemoryPointer.new :pointer retval = SecKeychainFindGenericPassword(NULL, svc.length, svc, acct.length, acct, pw_length, pw_val, item_ref) return nil unless 0 == retval raise_error? SecKeychainItemFreeContent(NULL, pw_val.read_pointer) raise_error? SecKeychainItemDelete(item_ref.read_pointer) CFRelease item_ref.read_pointer true end |
#error_message(code) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 66 def code CF::String.new(SecCopyErrorMessageString(code, NULL)).to_s end |
#get(acct, svc) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 90 def get acct, svc pw_length = FFI::MemoryPointer.new :uint32 pw_val = FFI::MemoryPointer.new :pointer retval = SecKeychainFindGenericPassword(NULL, svc.length, svc, acct.length, acct, pw_length, pw_val, NULL) return nil unless 0 == retval pw = pw_val.read_pointer.read_string(pw_length.read_int) retval = SecKeychainItemFreeContent(NULL, pw_val.read_pointer) return nil unless 0 == retval pw end |
#list(svc) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 178 def list svc search_ref = FFI::MemoryPointer.new :pointer found_item = FFI::MemoryPointer.new :pointer found_attr_list = FFI::MemoryPointer.new :pointer svc_attr = SecKeychainAttribute.new acct_info = SecKeychainAttributeInfo.new acct_info[:count] = 1 acct_info[:tag] = FFI::MemoryPointer.new :uint32 acct_info[:tag].write_array_of_int [s2i("acct")] acct_info[:format] = FFI::MemoryPointer.new :uint32 acct_info[:format].write_array_of_int [0] svc_attr[:tag] = s2i "svce" svc_attr[:length] = svc.length svc_attr[:data] = FFI::MemoryPointer.from_string(svc) search_attr_list = SecKeychainAttributeList.new search_attr_list[:count] = 1 search_attr_list[:attr] = svc_attr.pointer raise_error? SecKeychainSearchCreateFromAttributes(NULL, s2i("genp"), search_attr_list, search_ref) acct_names = [] while true retval = SecKeychainSearchCopyNext(search_ref.read_pointer, found_item) # the magic "no more items" number break if retval == 4294941996 raise_error? retval raise_error? SecKeychainItemCopyAttributesAndData(found_item.read_pointer, acct_info, NULL, found_attr_list, NULL, NULL) f = SecKeychainAttributeList.new found_attr_list.read_pointer next if f[:count] != 1 a = SecKeychainAttribute.new f[:attr] next if a[:tag] != :kSecAccountItemAttr acct_names.push a[:data].get_string(0, a[:length]) end raise_error? SecKeychainItemFreeAttributesAndData(found_attr_list.read_pointer, NULL) CFRelease search_ref.read_pointer acct_names end |
#raise_error?(code) ⇒ Boolean
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# File 'lib/yakg/backend/macos-keychain.rb', line 70 def raise_error? code raise KeychainError.new( code) if code != 0 code end |
#s2i(s) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 132 def s2i s s.unpack("N")[0].to_i end |
#set(acct, value, svc) ⇒ Object
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# File 'lib/yakg/backend/macos-keychain.rb', line 104 def set acct, value, svc pw_length = FFI::MemoryPointer.new :uint32 pw_val = FFI::MemoryPointer.new :pointer item_ref = FFI::MemoryPointer.new :pointer retval = SecKeychainFindGenericPassword(NULL, svc.length, svc, acct.length, acct, pw_length, pw_val, item_ref) if retval != 0 raise_error? SecKeychainAddGenericPassword(NULL, svc.length, svc, acct.length, acct, value.length, value, NULL) else raise_error? SecKeychainItemFreeContent(NULL, pw_val.read_pointer) raise_error? SecKeychainItemModifyContent(item_ref.read_pointer, NULL, value.length, value) CFRelease item_ref.read_pointer end true end |