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Update registry service spec per SE-0391 (#6275)
https://github.com/apple/swift-evolution/blob/main/proposals/0391-package-registry-publish.md
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‎Documentation/Registry.md

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@@ -21,11 +21,12 @@
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- [4.4. Download source archive](#44-download-source-archive)
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- [4.4.1. Integrity verification](#441-integrity-verification)
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- [4.4.2. Download locations](#442-download-locations)
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- [4.4.3. Signature validation](#443-signature-validation)
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- [4.5. Lookup package identifiers registered for a URL](#45-lookup-package-identifiers-registered-for-a-url)
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- [4.5.1 URL to package identifier mappings](#451-url-to-package-identifier-mappings)
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- [4.6. Create a package release](#46-create-a-package-release)
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- [4.6.1. Source archive](#461-source-archive)
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- [4.6.2. Package release metadata](#462-package-release-metadata)
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- [4.6.2.1. Reserved metadata keys](#4621-reserved-metadata-keys)
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- [4.6.3. Synchronous and asynchronous publication](#463-synchronous-and-asynchronous-publication)
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- [4.6.3.1. Synchronous publication](#4631-synchronous-publication)
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- [4.6.3.2. Asynchronous publication](#4632-asynchronous-publication)
@@ -458,7 +459,11 @@ Link: <https://packages.example.com/mona/LinkedList/1.1.1>; rel="latest-version"
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{
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"name": "source-archive",
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"type": "application/zip",
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"checksum": "a2ac54cf25fbc1ad0028f03f0aa4b96833b83bb05a14e510892bb27dea4dc812"
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"checksum": "a2ac54cf25fbc1ad0028f03f0aa4b96833b83bb05a14e510892bb27dea4dc812",
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"signing": {
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"signatureBase64Encoded": "l1TdTeIuGdNsO1FQ0ptD64F5nSSOsQ5WzhM6/7KsHRuLHfTsggnyIWr0DxMcBj5F40zfplwntXAgS0ynlqvlFw==",
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"signatureFormat": "cms-1.0.0"
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}
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}
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],
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"metadata": { ... }
@@ -489,11 +494,19 @@ MAY correspond to the requested release.
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Each element in the `resources` array is a JSON object with the following keys:
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| Key | Type | Description |
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| ---------- | ------- | ------------------------------------------------------------------- |
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| `name` | String | The name of the resource. |
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| `type` | String | The content type of the resource. |
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| `checksum` | String | A hexadecimal representation of the SHA256 digest for the resource. |
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| Key | Type | Description |
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| ---------- | ------- | -------------------------------------------------------------------------- |
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| `name` | String | The name of the resource. |
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| `type` | String | The content type of the resource. |
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| `checksum` | String | A hexadecimal representation of the SHA256 digest for the resource. |
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| `signing` | Object | Information about the signature. Required only if the resource is signed. |
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The `signing` JSON object contains these keys:
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| Key | Type | Description |
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| ------------------------ | ------- | ------------------------------------------------- |
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| `signatureBase64Encoded` | String | The resource's signature, base64 encoded. |
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| `signatureFormat` | String | The signature format. (e.g., `cms-1.0.0`) |
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A resource object SHOULD have one of the following combinations of
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`name` and `type` values:
@@ -507,41 +520,12 @@ with a given combination of `name` and `type` values.
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#### 4.2.2. Package release metadata standards
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A server MAY include metadata in its package release response.
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It is RECOMMENDED that package metadata be represented in [JSON-LD]
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according to a structured data standard.
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For example,
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this response using the [Schema.org] [SoftwareSourceCode] vocabulary:
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```jsonc
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{
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"id": "mona.LinkedList",
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"version": "1.1.1",
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"resources": [ ... ],
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"metadata": {
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"@context": ["http://schema.org/"],
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"@type": "SoftwareSourceCode",
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"name": "LinkedList",
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"description": "One thing links to another.",
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"keywords": ["data-structure", "collection"],
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"version": "1.1.1",
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"codeRepository": "https://github.com/mona/LinkedList",
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"license": "https://www.apache.org/licenses/LICENSE-2.0",
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"programmingLanguage": {
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"@type": "ComputerLanguage",
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"name": "Swift",
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"url": "https://swift.org"
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},
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"author": {
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"@type": "Person",
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"@id": "https://example.com/mona",
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"givenName": "Mona",
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"middleName": "Lisa",
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"familyName": "Octocat"
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}
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}
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}
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```
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SE-391 defines the [JSON schema] for package release metadata that
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gets submitted as part of the ["create a package release"](#endpoint-6)
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request. A server MAY allow and/or populate additional metadata by
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expanding the schema. The `metadata` key in the
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["fetch information about a package release "](#endpoint-2) API response
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will hold the user-provided as well as the server populated metadata.
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<a name="endpoint-3"></a>
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Content-Version: 1
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Digest: sha-256=oqxUzyX7wa0AKPA/CqS5aDO4O7BaFOUQiSuyfepNyBI=
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Link: <https://mirror-japanwest.example.com/mona-LinkedList-1.1.1.zip>; rel=duplicate; geo=jp; pri=10; type="application/zip"
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X-Swift-Package-Signature-Format: cms-1.0.0
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X-Swift-Package-Signature: l1TdTeIuGdNsO1FQ0ptD64F5nSSOsQ5WzhM6/7KsHRuLHfTsggnyIWr0DxMcBj5F40zfplwntXAgS0ynlqvlFw==
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```
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A server MUST respond with a `Content-Length` header
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range requests as described by [RFC 7233]
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and caching as described by [RFC 7234].
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If a release is signed, a server MUST include
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`X-Swift-Package-Signature-Format` and `X-Swift-Package-Signature`
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headers in the response.
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#### 4.4.1. Integrity verification
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A client MUST verify the integrity of a downloaded source archive using
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Digest: sha-256=a2ac54cf25fbc1ad0028f03f0aa4b96833b83bb05a14e510892bb27dea4dc812
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```
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#### 4.4.3. Signature validation
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A client MUST validate the signature of a signed archive
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according to the signature format and configuration. Signing
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information can alternatively be found in the associated
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`source-archive` resource in the response to `GET /{scope}/{name}/{version}`,
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as described in [4.2.1](#421-package-release-resources).
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<a name="endpoint-5"></a>
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### 4.5. Lookup package identifiers registered for a URL
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It is RECOMMENDED for clients and servers to support
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caching as described by [RFC 7234].
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#### 4.5.1 URL to package identifier mappings
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As part of the [package release metadata](#422-package-release-metadata-standards)
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JSON object, the `repositoryURLs` array can be used to specify
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URLs associated with a package identifier. This is one way
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through which a server can obtain URL to package identifier
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mappings for this API.
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A server MAY choose other mechanism(s) for package authors
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to specify these mappings.
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A server SHOULD validate the package author's ownership claim
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on the corresponding repository.
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<a name="endpoint-6"></a>
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### 4.6. Create a package release
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A client MUST provide a body encoded as multipart form data
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with the following sections:
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| Key | Content-Type | Description | Requirement Level |
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| ----------------- | ------------------ | ----------------------------------------- | ----------------- |
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| `source-archive` | `application/zip` | The source archive of the package. | REQUIRED |
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| `metadata` | `application/json` | Additional information about the release. | OPTIONAL |
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| Key | Content-Type | Description | Requirement Level |
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| -------------------------- | -------------------------- | ----------------------------------------- | ----------------- |
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| `source-archive` | `application/zip` | The source archive of the package. | REQUIRED |
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| `source-archive-signature` | `application/octet-stream` | The signature of the source archive. | OPTIONAL |
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| `metadata` | `application/json` | Additional information about the release. | OPTIONAL |
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| `metadata-signature` | `application/octet-stream` | The signature of the metadata. | OPTIONAL |
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A client MUST set a `Content-Type` header with the value
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`multipart/form-data`. `boundary` can be any string.
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A client SHOULD set the `Accept` header with the value
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`application/vnd.swift.registry.v1+json`.
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A client MUST set a `X-Swift-Package-Signature-Format` header
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with the signature format if the source archive is signed.
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```http
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PUT /mona/LinkedList/1.1.1 HTTP/1.1
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Host: packages.example.com
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Accept: application/vnd.swift.registry.v1+json
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Content-Type: multipart/form-data;boundary="boundary"
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Content-Length: 336
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Expect: 100-continue
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X-Swift-Package-Signature-Format: cms-1.0.0
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--boundary
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Content-Disposition: form-data; name="source-archive"
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gHUFBgAAAAAAAAAAAAAAAAAAAAAAAA==
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--boundary
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Content-Disposition: form-data; name="source-archive-signature"
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Content-Type: application/octet-stream
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Content-Length: 88
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Content-Transfer-Encoding: base64
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l1TdTeIuGdNsO1FQ0ptD64F5nSSOsQ5WzhM6/7KsHRuLHfTsggnyIWr0DxMcBj5F40zfplwntXAgS0ynlqvlFw==
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--boundary
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Content-Disposition: form-data; name="metadata"
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Content-Type: application/json
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Content-Transfer-Encoding: quoted-printable
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Content-Length: 3
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{ }
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{ "repositoryURLs": [] }
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--boundary
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Content-Disposition: form-data; name="metadata-signature"
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Content-Type: application/octet-stream
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Content-Length: 88
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Content-Transfer-Encoding: base64
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M6TdTeIuGdNsO1FQ0ptD64F5nSSOsQ5WzhM6/7KsHRuLHfTsggnyIWr0DxMcBj5F40zfplwntXAgS0ynlqvlFw==
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```
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containing additional information about the release.
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A client SHOULD set a `Content-Type` header with the value `application/json`
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and a `Content-Length` header with the size of the JSON document in bytes.
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It is RECOMMENDED that package release metadata be represented in [JSON-LD]
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according to a structured data standard,
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as discussed in [4.2.1](#421-package-release-metadata-data-standards).
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The package release metadata MUST be based on the [JSON schema],
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as discussed in [4.2.2](#422-package-release-metadata-standards).
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```http
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--boundary
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Content-Disposition: form-data; name="metadata"
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Content-Type: application/json
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Content-Length: 620
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Content-Length: 226
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Content-Transfer-Encoding: quoted-printable
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{
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"@context": ["http://schema.org/"],
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"@type": "SoftwareSourceCode",
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"name": "LinkedList",
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"description": "One thing links to another.",
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"keywords": ["data-structure", "collection"],
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"version": "1.1.1",
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"codeRepository": "https://github.com/mona/LinkedList",
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"license": "https://www.apache.org/licenses/LICENSE-2.0",
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"programmingLanguage": {
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"@type": "ComputerLanguage",
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"name": "Swift",
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"url": "https://swift.org"
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},
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"repositoryURLs": ["https://github.com/mona/LinkedList"],
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"licenseURL": "https://www.apache.org/licenses/LICENSE-2.0",
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"author": {
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"@type": "Person",
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"@id": "https://github.com/mona",
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"givenName": "Mona",
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"middleName": "Lisa",
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"familyName": "Octocat"
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"name": "Mona Lisa Octocat"
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}
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}
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```
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If a client doesn't provide a `metadata` section,
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a server MAY populate the metadata for a release.
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A client MAY request that a server not populate metadata automatically
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by sending an empty JSON object (`{}`) as its request body.
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A server MAY allow and/or populate additional metadata for a release.
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A server MAY make any properties in the [JSON schema] and additional
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metadata it defines required.
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If a client provides an invalid JSON document,
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the server SHOULD respond with a status code of
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{
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"detail": "invalid JSON provided for release metadata"
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}
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```
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##### 4.6.2.1. Reserved metadata keys
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These metadata keys have special meanings to the server and should be included if and only if their value satisifies their intended use:
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| Key | Description | Server Use |
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| ----------------- | ---------------------------------------------------- | -------------------------------------- |
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| `repositoryURLs` | An array of the package's source code repository URLs (e.g., `["https://github.com/mona/LinkedList", "ssh://[email protected]:mona/LinkedList.git"]`). | The mappings between package identifer and repository URL get recorded for the [lookup package identifiers by URL](#endpoint-5) endpoint. |
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```
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#### 4.6.3. Synchronous and asynchronous publication
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[XCFramework]: https://developer.apple.com/videos/play/wwdc2019/416/ "WWDC 2019 Session 416: Binary Frameworks in Swift"
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[SE-0272]: https://github.com/apple/swift-evolution/blob/master/proposals/0272-swiftpm-binary-dependencies.md "Package Manager Binary Dependencies"
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[Swift tools version]: https://github.com/apple/swift-package-manager/blob/9b9bed7eaf0f38eeccd0d8ca06ae08f6689d1c3f/Documentation/Usage.md#swift-tools-version-specification "Swift Tools Version Specification"
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[JSON schema]: https://github.com/apple/swift-evolution/blob/main/proposals/0391-package-registry-publish.md#package-release-metadata-standards "JSON schema for package release metadata"

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