forked from TrueCloudLab/frostfs-api
240 lines
9 KiB
Markdown
240 lines
9 KiB
Markdown
# Protocol Documentation
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<a name="top"></a>
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## Table of Contents
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- [service/meta.proto](#service/meta.proto)
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- Messages
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- [RequestExtendedHeader](#service.RequestExtendedHeader)
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- [RequestExtendedHeader.KV](#service.RequestExtendedHeader.KV)
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- [RequestMetaHeader](#service.RequestMetaHeader)
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- [ResponseMetaHeader](#service.ResponseMetaHeader)
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- [service/verify.proto](#service/verify.proto)
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- Messages
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- [BearerTokenMsg](#service.BearerTokenMsg)
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- [BearerTokenMsg.Info](#service.BearerTokenMsg.Info)
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- [RequestVerificationHeader](#service.RequestVerificationHeader)
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- [RequestVerificationHeader.Signature](#service.RequestVerificationHeader.Signature)
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- [Token](#service.Token)
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- [Token.Info](#service.Token.Info)
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- [TokenLifetime](#service.TokenLifetime)
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- [Scalar Value Types](#scalar-value-types)
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<a name="service/meta.proto"></a>
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<p align="right"><a href="#top">Top</a></p>
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## service/meta.proto
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<!-- end services -->
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<a name="service.RequestExtendedHeader"></a>
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### Message RequestExtendedHeader
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RequestExtendedHeader contains extended headers of request
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Headers | [RequestExtendedHeader.KV](#service.RequestExtendedHeader.KV) | repeated | Headers carries list of key-value headers |
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<a name="service.RequestExtendedHeader.KV"></a>
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### Message RequestExtendedHeader.KV
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KV contains string key-value pair
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| K | [string](#string) | | K carries extended header key |
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| V | [string](#string) | | V carries extra header value |
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<a name="service.RequestMetaHeader"></a>
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### Message RequestMetaHeader
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RequestMetaHeader contains information about request meta headers
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(should be embedded into message)
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| TTL | [uint32](#uint32) | | TTL must be larger than zero, it decreased in every NeoFS Node |
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| Epoch | [uint64](#uint64) | | Epoch for user can be empty, because node sets epoch to the actual value |
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| Version | [uint32](#uint32) | | Version defines protocol version TODO: not used for now, should be implemented in future |
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| Raw | [bool](#bool) | | Raw determines whether the request is raw or not |
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| ExtendedHeader | [RequestExtendedHeader](#service.RequestExtendedHeader) | | ExtendedHeader carries extended headers of the request |
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<a name="service.ResponseMetaHeader"></a>
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### Message ResponseMetaHeader
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ResponseMetaHeader contains meta information based on request processing by server
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(should be embedded into message)
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Epoch | [uint64](#uint64) | | Current NeoFS epoch on server |
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| Version | [uint32](#uint32) | | Version defines protocol version TODO: not used for now, should be implemented in future |
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<!-- end messages -->
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<!-- end enums -->
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<a name="service/verify.proto"></a>
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<p align="right"><a href="#top">Top</a></p>
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## service/verify.proto
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<!-- end services -->
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<a name="service.BearerTokenMsg"></a>
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### Message BearerTokenMsg
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BearerTokenMsg carries information about request ACL rules with limited lifetime
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| TokenInfo | [BearerTokenMsg.Info](#service.BearerTokenMsg.Info) | | TokenInfo is a grouped information about token |
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| OwnerKey | [bytes](#bytes) | | OwnerKey is a public key of the token owner |
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| Signature | [bytes](#bytes) | | Signature is a signature of token information |
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<a name="service.BearerTokenMsg.Info"></a>
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### Message BearerTokenMsg.Info
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| ACLRules | [bytes](#bytes) | | ACLRules carries a binary representation of the table of extended ACL rules |
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| OwnerID | [bytes](#bytes) | | OwnerID is an owner of token |
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| ValidUntil | [uint64](#uint64) | | ValidUntil carries a last epoch of token lifetime |
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<a name="service.RequestVerificationHeader"></a>
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### Message RequestVerificationHeader
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RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request
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(should be embedded into message).
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Signatures | [RequestVerificationHeader.Signature](#service.RequestVerificationHeader.Signature) | repeated | Signatures is a set of signatures of every passed NeoFS Node |
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| Token | [Token](#service.Token) | | Token is a token of the session within which the request is sent |
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| Bearer | [BearerTokenMsg](#service.BearerTokenMsg) | | Bearer is a Bearer token of the request |
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<a name="service.RequestVerificationHeader.Signature"></a>
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### Message RequestVerificationHeader.Signature
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Sign | [bytes](#bytes) | | Sign is signature of the request or session key. |
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| Peer | [bytes](#bytes) | | Peer is compressed public key used for signature. |
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<a name="service.Token"></a>
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### Message Token
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User token granting rights for object manipulation
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| TokenInfo | [Token.Info](#service.Token.Info) | | TokenInfo is a grouped information about token |
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| Signature | [bytes](#bytes) | | Signature is a signature of session token information |
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<a name="service.Token.Info"></a>
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### Message Token.Info
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| ID | [bytes](#bytes) | | ID is a token identifier. valid UUIDv4 represented in bytes |
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| OwnerID | [bytes](#bytes) | | OwnerID is an owner of manipulation object |
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| verb | [Token.Info.Verb](#service.Token.Info.Verb) | | Verb is a type of request for which the token is issued |
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| Address | [refs.Address](#refs.Address) | | Address is an object address for which token is issued |
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| Lifetime | [TokenLifetime](#service.TokenLifetime) | | Lifetime is a lifetime of the session |
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| SessionKey | [bytes](#bytes) | | SessionKey is a public key of session key |
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| OwnerKey | [bytes](#bytes) | | OwnerKey is a public key of the token owner |
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<a name="service.TokenLifetime"></a>
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### Message TokenLifetime
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TokenLifetime carries a group of lifetime parameters of the token
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Created | [uint64](#uint64) | | Created carries an initial epoch of token lifetime |
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| ValidUntil | [uint64](#uint64) | | ValidUntil carries a last epoch of token lifetime |
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<!-- end messages -->
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<a name="service.Token.Info.Verb"></a>
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### Token.Info.Verb
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Verb is an enumeration of session request types
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| Name | Number | Description |
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| ---- | ------ | ----------- |
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| Put | 0 | Put refers to object.Put RPC call |
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| Get | 1 | Get refers to object.Get RPC call |
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| Head | 2 | Head refers to object.Head RPC call |
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| Search | 3 | Search refers to object.Search RPC call |
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| Delete | 4 | Delete refers to object.Delete RPC call |
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| Range | 5 | Range refers to object.GetRange RPC call |
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| RangeHash | 6 | RangeHash refers to object.GetRangeHash RPC call |
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<!-- end enums -->
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## Scalar Value Types
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| .proto Type | Notes | C++ Type | Java Type | Python Type |
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| ----------- | ----- | -------- | --------- | ----------- |
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| <a name="double" /> double | | double | double | float |
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| <a name="float" /> float | | float | float | float |
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| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
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| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
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| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
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| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
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| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
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| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
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| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
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| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
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| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
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| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
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| <a name="bool" /> bool | | bool | boolean | boolean |
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| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
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| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |
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