adorsys/datasafe

@startuml

|inbox|
start
-> User wants to share file\nwith other user;
:WriteToInbox;
-> Read recipients' public key;
|directory|
:PublicKeyService;
-> Retreive recipients' public key;
if (Public key cached?) then
else (no)
|directory|
-> Locate users' keystore;
:ProfileRetreivalService;
-> Get credentials to read\npublic from storage;
:BucketAccessService;
-> Read users' public key;
|storage|
:StorageReadService;
-> recipients' public key;
endif
|directory|
:PublicKeyService;
-> Get absolute location and access\nfor resulting resource;
:ResourceResolver;
-> Enhance with credentials;
:BucketAccessService;
|inbox|
-> Absolute resource with\nstorage access details;
:WriteToInbox;
|encryption|
-> Open encryption stream at resolved location\nwith document secret key;
:EncryptedDocumentWriteService;
-> Wrap data to encrypted stream\n with public key;
:CMSEncryptionService;
|storage|
-> Push encrypted\ndata to storage;
:StorageWriteService;
stop

@enduml