forked from TrueCloudLab/frostfs-api
1647242397
It should simplify reading. Signed-off-by: Stanislav Bogatyrev <stanislav@nspcc.ru>
271 lines
10 KiB
Markdown
271 lines
10 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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- [BearerToken](#neo.fs.v2.service.BearerToken)
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- [BearerToken.Body](#neo.fs.v2.service.BearerToken.Body)
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- [ObjectSessionContext](#neo.fs.v2.service.ObjectSessionContext)
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- [RequestMetaHeader](#neo.fs.v2.service.RequestMetaHeader)
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- [ResponseMetaHeader](#neo.fs.v2.service.ResponseMetaHeader)
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- [SessionToken](#neo.fs.v2.service.SessionToken)
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- [SessionToken.Body](#neo.fs.v2.service.SessionToken.Body)
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- [TokenLifetime](#neo.fs.v2.service.TokenLifetime)
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- [Version](#neo.fs.v2.service.Version)
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- [XHeader](#neo.fs.v2.service.XHeader)
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- [service/verify.proto](#service/verify.proto)
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- Messages
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- [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader)
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- [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader)
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- [Signature](#neo.fs.v2.service.Signature)
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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="neo.fs.v2.service.BearerToken"></a>
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### Message BearerToken
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BearerToken has information about request ACL rules with limited lifetime
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| body | [BearerToken.Body](#neo.fs.v2.service.BearerToken.Body) | | Bearer Token body |
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| signature | [Signature](#neo.fs.v2.service.Signature) | | Signature of BearerToken body |
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<a name="neo.fs.v2.service.BearerToken.Body"></a>
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### Message BearerToken.Body
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Bearer Token body
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| eacl_table | [neo.fs.v2.acl.EACLTable](#neo.fs.v2.acl.EACLTable) | | EACLTable carries table of extended ACL rules |
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| owner_id | [neo.fs.v2.refs.OwnerID](#neo.fs.v2.refs.OwnerID) | | OwnerID carries identifier of the token owner |
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| lifetime | [TokenLifetime](#neo.fs.v2.service.TokenLifetime) | | Token expiration and valid time period parameters |
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<a name="neo.fs.v2.service.ObjectSessionContext"></a>
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### Message ObjectSessionContext
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Context information for Session Tokens related to ObjectService requests
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| verb | [ObjectSessionContext.Verb](#neo.fs.v2.service.ObjectSessionContext.Verb) | | Verb is a type of request for which the token is issued |
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| address | [neo.fs.v2.refs.Address](#neo.fs.v2.refs.Address) | | Related Object address |
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<a name="neo.fs.v2.service.RequestMetaHeader"></a>
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### Message RequestMetaHeader
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Information about the request
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| version | [Version](#neo.fs.v2.service.Version) | | Client API version. |
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| epoch | [uint64](#uint64) | | Client local epoch number. Set to 0 if unknown. |
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| ttl | [uint32](#uint32) | | Maximum number of nodes in the request route. |
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| x_headers | [XHeader](#neo.fs.v2.service.XHeader) | repeated | Request X-Headers. |
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| session_token | [SessionToken](#neo.fs.v2.service.SessionToken) | | Token is a token of the session within which the request is sent |
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| bearer_token | [BearerToken](#neo.fs.v2.service.BearerToken) | | Bearer is a Bearer token of the request |
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| origin | [RequestMetaHeader](#neo.fs.v2.service.RequestMetaHeader) | | RequestMetaHeader of the origin request. |
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<a name="neo.fs.v2.service.ResponseMetaHeader"></a>
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### Message ResponseMetaHeader
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Information about the response
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| version | [Version](#neo.fs.v2.service.Version) | | Server API version. |
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| epoch | [uint64](#uint64) | | Server local epoch number. |
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| ttl | [uint32](#uint32) | | Maximum number of nodes in the response route. |
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| x_headers | [XHeader](#neo.fs.v2.service.XHeader) | repeated | Response X-Headers. |
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| origin | [ResponseMetaHeader](#neo.fs.v2.service.ResponseMetaHeader) | | Carries response meta header of the origin response. |
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<a name="neo.fs.v2.service.SessionToken"></a>
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### Message SessionToken
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NeoFS session token.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| body | [SessionToken.Body](#neo.fs.v2.service.SessionToken.Body) | | Session Token body |
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| signature | [Signature](#neo.fs.v2.service.Signature) | | Signature is a signature of session token information |
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<a name="neo.fs.v2.service.SessionToken.Body"></a>
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### Message SessionToken.Body
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Session token body
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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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| owner_id | [neo.fs.v2.refs.OwnerID](#neo.fs.v2.refs.OwnerID) | | OwnerID carries identifier of the session initiator. |
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| lifetime | [TokenLifetime](#neo.fs.v2.service.TokenLifetime) | | Lifetime is a lifetime of the session |
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| session_key | [bytes](#bytes) | | SessionKey is a public key of session key |
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| object | [ObjectSessionContext](#neo.fs.v2.service.ObjectSessionContext) | | ObjectService session context. |
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<a name="neo.fs.v2.service.TokenLifetime"></a>
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### Message TokenLifetime
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Lifetime parameters of the token. Filed names taken from rfc7519.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| exp | [uint64](#uint64) | | Expiration Epoch |
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| nbf | [uint64](#uint64) | | Not valid before Epoch |
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| iat | [uint64](#uint64) | | Issued at Epoch |
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<a name="neo.fs.v2.service.Version"></a>
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### Message Version
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Represents API version used by node.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| major | [uint32](#uint32) | | Major API version. |
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| minor | [uint32](#uint32) | | Minor API version. |
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<a name="neo.fs.v2.service.XHeader"></a>
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### Message XHeader
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Extended headers for Request/Response
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| key | [string](#string) | | Key of the X-Header. |
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| value | [string](#string) | | Value of the X-Header. |
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<!-- end messages -->
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<a name="neo.fs.v2.service.ObjectSessionContext.Verb"></a>
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### ObjectSessionContext.Verb
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Object request verbs
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| Name | Number | Description |
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| ---- | ------ | ----------- |
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| VERB_UNSPECIFIED | 0 | Unknown verb |
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| PUT | 1 | Refers to object.Put RPC call |
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| GET | 2 | Refers to object.Get RPC call |
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| HEAD | 3 | Refers to object.Head RPC call |
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| SEARCH | 4 | Refers to object.Search RPC call |
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| DELETE | 5 | Refers to object.Delete RPC call |
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| RANGE | 6 | Refers to object.GetRange RPC call |
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| RANGEHASH | 7 | Refers to object.GetRangeHash RPC call |
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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="neo.fs.v2.service.RequestVerificationHeader"></a>
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### Message RequestVerificationHeader
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Verification info for request signed by all intermediate nodes
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| body_signature | [Signature](#neo.fs.v2.service.Signature) | | Request Body signature. Should be generated once by request initiator. |
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| meta_signature | [Signature](#neo.fs.v2.service.Signature) | | Request Meta signature is added and signed by any intermediate node |
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| origin_signature | [Signature](#neo.fs.v2.service.Signature) | | Sign previous hops |
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| origin | [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader) | | Chain of previous hops signatures |
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<a name="neo.fs.v2.service.ResponseVerificationHeader"></a>
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### Message ResponseVerificationHeader
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Verification info for response signed by all intermediate nodes
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| body_signature | [Signature](#neo.fs.v2.service.Signature) | | Response Body signature. Should be generated once by answering node. |
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| meta_signature | [Signature](#neo.fs.v2.service.Signature) | | Response Meta signature is added and signed by any intermediate node |
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| origin_signature | [Signature](#neo.fs.v2.service.Signature) | | Sign previous hops |
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| origin | [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader) | | Chain of previous hops signatures |
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<a name="neo.fs.v2.service.Signature"></a>
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### Message Signature
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Signature of something in NeoFS
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| key | [bytes](#bytes) | | Public key used for signing. |
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| sign | [bytes](#bytes) | | Signature |
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<!-- end messages -->
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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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