forked from TrueCloudLab/frostfs-http-gw
[#216] Add routes specification
Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov
Alex Vanin
parent
d2ced3ccbb
commit
ef0c17372f
2 changed files with 311 additions and 0 deletions
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@ -16,6 +16,8 @@ NeoFS HTTP Gateway bridges NeoFS internal protocol and HTTP standard.
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- you can download one file per request from the NeoFS Network
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- you can upload one file per request into the NeoFS Network
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See available routes in [specification](./docs/api.md).
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## Installation
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```go install github.com/nspcc-dev/neofs-http-gw```
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309
docs/api.md
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309
docs/api.md
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@ -0,0 +1,309 @@
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# HTTP Gateway Specification
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| Route | Description |
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|-------------------------------------------------|----------------------------------------------|
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| `/upload/{cid}` | [Put object](#put-object) |
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| `/get/{cid}/{oid}` | [Get object](#get-object) |
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| `/get_by_attribute/{cid}/{attr_key}/{attr_val}` | [Search object](#search-object) |
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| `/zip/{cid}/{prefix}` | [Download objects in archive](#download-zip) |
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**Note:** `cid` parameter can be base58 encoded container ID or container name
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(the name must be registered in NNS, see appropriate section in [README](../README.md#nns)).
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Route parameters can be:
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* `Single` - match a single path segment (cannot contain `/` and be empty)
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* `Catch-All` - match everything (such parameter usually the last one in routes)
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* `Query` - regular query parameter
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### Bearer token
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All routes can accept [bearer token](../README.md#authentication) from:
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* `Authorization` header with `Bearer` type and base64-encoded token in
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credentials field
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* `Bearer` cookie with base64-encoded token contents
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Example:
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Header:
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```
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Authorization: Bearer ChA5Gev0d8JI26tAtWyyQA3WEhsKGTVxfQ56a0uQeFmOO63mqykBS1HNpw1rxSgaBgiyEBjODyIhAyxcn89Bj5fwCfXlj5HjSYjonHSErZoXiSqeyh0ZQSb2MgQIARAB
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```
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Cookie:
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```
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cookie: Bearer=ChA5Gev0d8JI26tAtWyyQA3WEhsKGTVxfQ56a0uQeFmOO63mqykBS1HNpw1rxSgaBgiyEBjODyIhAyxcn89Bj5fwCfXlj5HjSYjonHSErZoXiSqeyh0ZQSb2MgQIARAB
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```
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## Put object
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Route: `/upload/{cid}`
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| Route parameter | Type | Description |
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|-----------------|--------|---------------------------------------------------------|
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| `cid` | Single | Base58 encoded container ID or container name from NNS. |
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### Methods
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#### POST
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Upload file as object with attributes to NeoFS.
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##### Request
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###### Headers
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| Header | Description |
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|-----------------------|---------------------------------------------------------------------------------------------------------------------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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| `X-Attribute-Neofs-*` | Used to set system NeoFS object attributes <br/> (e.g. use "X-Attribute-Neofs-Expiration-Epoch" to set `__NEOFS__EXPIRATION_EPOCH` attribute). |
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| `X-Attribute-*` | Used to set regular object attributes <br/> (e.g. use "X-Attribute-My-Tag" to set `My-Tag` attribute). |
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| `Date` | This header is used to calculate the right `__NEOFS__EXPIRATION` attribute for object. If the header is missing, the current server time is used. |
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There are some reserved headers type of `X-Attribute-NEOFS-*` (headers are arranged in descending order of priority):
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1. `X-Attribute-Neofs-Expiration-Epoch: 100`
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2. `X-Attribute-Neofs-Expiration-Duration: 24h30m`
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3. `X-Attribute-Neofs-Expiration-Timestamp: 1637574797`
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4. `X-Attribute-Neofs-Expiration-RFC3339: 2021-11-22T09:55:49Z`
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which transforms to `X-Attribute-Neofs-Expiration-Epoch`. So you can provide expiration any convenient way.
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If you don't specify the `X-Attribute-Timestamp` header the `Timestamp` attribute can be set anyway
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(see http-gw [configuration](gate-configuration.md#upload-header-section)).
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The `X-Attribute-*` headers must be unique. If you provide several the same headers only one will be used.
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Attribute key and value must be valid utf8 string. All attributes in sum must not be greater than 3mb.
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###### Body
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Body must contain multipart form with file.
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The `filename` field from the multipart form will be set as `FileName` attribute of object
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(can be overriden by `X-Attribute-FileName` header).
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##### Response
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###### Status codes
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| Status | Description |
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|--------|----------------------------------------------|
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| 200 | Object created successfully. |
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| 400 | Some error occurred during object uploading. |
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## Get object
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Route: `/get/{cid}/{oid}?[download=true]`
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| Route parameter | Type | Description |
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|-----------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `cid` | Single | Base58 encoded container ID or container name from NNS. |
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| `oid` | Single | Base58 encoded object ID. |
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| `download` | Query | Set the `Content-Disposition` header as `attachment` in response.<br/> This make the browser to download object as file instead of showing it on the page. |
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### Methods
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#### GET
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Get an object (payload and attributes) by an address.
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##### Request
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###### Headers
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| Header | Description |
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|----------------|------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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##### Response
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###### Headers
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| Header | Description |
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|-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------|
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| `X-Attribute-Neofs-*` | System NeoFS object attributes <br/> (e.g. `__NEOFS__EXPIRATION_EPOCH` set "X-Attribute-Neofs-Expiration-Epoch" header). |
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| `X-Attribute-*` | Regular object attributes <br/> (e.g. `My-Tag` set "X-Attribute-My-Tag" header). |
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| `Content-Disposition` | Indicate how to browsers should treat file. <br/> Set `filename` as base part of `FileName` object attribute (if it's set, empty otherwise). |
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| `Content-Type` | Indicate content type of object. Set from `Content-Type` attribute or detected using payload. |
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| `Content-Length` | Size of object payload. |
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| `Last-Modified` | Contains the `Timestamp` attribute (if exists) formatted as HTTP time (RFC7231,RFC1123). |
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| `X-Owner-Id` | Base58 encoded owner ID. |
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| `X-Container-Id` | Base58 encoded container ID. |
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| `X-Object-Id` | Base58 encoded object ID. |
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###### Status codes
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| Status | Description |
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|--------|------------------------------------------------|
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| 200 | Object got successfully. |
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| 400 | Some error occurred during object downloading. |
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| 404 | Container or object not found. |
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#### HEAD
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Get an object attributes by an address.
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##### Request
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###### Headers
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| Header | Description |
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|----------------|------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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##### Response
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###### Headers
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| Header | Description |
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|-----------------------|--------------------------------------------------------------------------------------------------------------------------|
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| `X-Attribute-Neofs-*` | System NeoFS object attributes <br/> (e.g. `__NEOFS__EXPIRATION_EPOCH` set "X-Attribute-Neofs-Expiration-Epoch" header). |
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| `X-Attribute-*` | Regular object attributes <br/> (e.g. `My-Tag` set "X-Attribute-My-Tag" header). |
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| `Content-Type` | Indicate content type of object. Set from `Content-Type` attribute or detected using payload. |
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| `Content-Length` | Size of object payload. |
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| `Last-Modified` | Contains the `Timestamp` attribute (if exists) formatted as HTTP time (RFC7231,RFC1123). |
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| `X-Owner-Id` | Base58 encoded owner ID. |
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| `X-Container-Id` | Base58 encoded container ID. |
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| `X-Object-Id` | Base58 encoded object ID. |
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###### Status codes
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| Status | Description |
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|--------|---------------------------------------------------|
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| 200 | Object head successfully. |
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| 400 | Some error occurred during object HEAD operation. |
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| 404 | Container or object not found. |
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## Search object
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Route: `/get_by_attribute/{cid}/{attr_key}/{attr_val}?[download=true]`
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| Route parameter | Type | Description |
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|-----------------|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `cid` | Single | Base58 encoded container ID or container name from NNS. |
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| `attr_key` | Single | Object attribute key to search. |
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| `attr_val` | Catch-All | Object attribute value to match. |
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| `download` | Query | Set the `Content-Disposition` header as `attachment` in response. This make the browser to download object as file instead of showing it on the page. |
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### Methods
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#### GET
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Find and get an object (payload and attributes) by a specific attribute.
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If more than one object is found, an arbitrary one will be returned.
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##### Request
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###### Headers
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| Header | Description |
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|----------------|------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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##### Response
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###### Headers
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| Header | Description |
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|-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------|
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| `X-Attribute-Neofs-*` | System NeoFS object attributes <br/> (e.g. `__NEOFS__EXPIRATION_EPOCH` set "X-Attribute-Neofs-Expiration-Epoch" header). |
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| `X-Attribute-*` | Regular object attributes <br/> (e.g. `My-Tag` set "X-Attribute-My-Tag" header). |
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| `Content-Disposition` | Indicate how to browsers should treat file. <br/> Set `filename` as base part of `FileName` object attribute (if it's set, empty otherwise). |
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| `Content-Type` | Indicate content type of object. Set from `Content-Type` attribute or detected using payload. |
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| `Content-Length` | Size of object payload. |
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| `Last-Modified` | Contains the `Timestamp` attribute (if exists) formatted as HTTP time (RFC7231,RFC1123). |
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| `X-Owner-Id` | Base58 encoded owner ID. |
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| `X-Container-Id` | Base58 encoded container ID. |
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| `X-Object-Id` | Base58 encoded object ID. |
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###### Status codes
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| Status | Description |
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|--------|------------------------------------------------|
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| 200 | Object got successfully. |
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| 400 | Some error occurred during object downloading. |
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| 404 | Container or object not found. |
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#### HEAD
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Get object attributes by a specific attribute.
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If more than one object is found, an arbitrary one will be used to get attributes.
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##### Request
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###### Headers
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| Header | Description |
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|----------------|------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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##### Response
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###### Headers
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| Header | Description |
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|-----------------------|--------------------------------------------------------------------------------------------------------------------------|
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| `X-Attribute-Neofs-*` | System NeoFS object attributes <br/> (e.g. `__NEOFS__EXPIRATION_EPOCH` set "X-Attribute-Neofs-Expiration-Epoch" header). |
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| `X-Attribute-*` | Regular object attributes <br/> (e.g. `My-Tag` set "X-Attribute-My-Tag" header). |
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| `Content-Type` | Indicate content type of object. Set from `Content-Type` attribute or detected using payload. |
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| `Content-Length` | Size of object payload. |
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| `Last-Modified` | Contains the `Timestamp` attribute (if exists) formatted as HTTP time (RFC7231,RFC1123). |
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| `X-Owner-Id` | Base58 encoded owner ID. |
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| `X-Container-Id` | Base58 encoded container ID. |
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| `X-Object-Id` | Base58 encoded object ID. |
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###### Status codes
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| Status | Description |
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|--------|---------------------------------------|
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| 200 | Object head successfully. |
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| 400 | Some error occurred during operation. |
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| 404 | Container or object not found. |
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## Download zip
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Route: `/zip/{cid}/{prefix}`
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| Route parameter | Type | Description |
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|-----------------|-----------|---------------------------------------------------------|
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| `cid` | Single | Base58 encoded container ID or container name from NNS. |
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| `prefix` | Catch-All | Prefix for object attribute `FilePath` to match. |
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### Methods
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#### GET
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Find objects by prefix for `FilePath` attributes. Return found objects in zip archive.
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Name of files in archive sets to `FilePath` attribute of objects.
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Time of files sets to time when object has started downloading.
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You can download all files in container that have `FilePath` attribute by `/zip/{cid}/` route.
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Archive can be compressed (see http-gw [configuration](gate-configuration.md#zip-section)).
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##### Request
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###### Headers
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| Header | Description |
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|----------------|------------------------------------|
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| Common headers | See [bearer token](#bearer-token). |
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##### Response
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###### Headers
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| Header | Description |
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|-----------------------|-------------------------------------------------------------------------------------------------------------------|
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| `Content-Disposition` | Indicate how to browsers should treat file (`attachment`). Set `filename` as `archive.zip`. |
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| `Content-Type` | Indicate content type of object. Set to `application/zip` |
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###### Status codes
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| Status | Description |
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|--------|-----------------------------------------------------|
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| 200 | Object got successfully. |
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| 400 | Some error occurred during object downloading. |
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| 404 | Container or objects not found. |
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| 500 | Some inner error (e.g. error on streaming objects). |
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