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| // Copyright (c) 2015, Google Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| syntax = "proto3"; | ||
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| package google.api; | ||
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| import "google/api/http.proto"; | ||
| import "google/protobuf/descriptor.proto"; | ||
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| option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations"; | ||
| option java_multiple_files = true; | ||
| option java_outer_classname = "AnnotationsProto"; | ||
| option java_package = "com.google.api"; | ||
| option objc_class_prefix = "GAPI"; | ||
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| extend google.protobuf.MethodOptions { | ||
| // See `HttpRule`. | ||
| HttpRule http = 72295728; | ||
| } |
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| // Copyright 2016 Google Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| syntax = "proto3"; | ||
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| package google.api; | ||
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| option cc_enable_arenas = true; | ||
| option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations"; | ||
| option java_multiple_files = true; | ||
| option java_outer_classname = "HttpProto"; | ||
| option java_package = "com.google.api"; | ||
| option objc_class_prefix = "GAPI"; | ||
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| // Defines the HTTP configuration for a service. It contains a list of | ||
| // [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method | ||
| // to one or more HTTP REST API methods. | ||
| message Http { | ||
| // A list of HTTP configuration rules that apply to individual API methods. | ||
| // | ||
| // **NOTE:** All service configuration rules follow "last one wins" order. | ||
| repeated HttpRule rules = 1; | ||
| } | ||
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| // `HttpRule` defines the mapping of an RPC method to one or more HTTP | ||
| // REST APIs. The mapping determines what portions of the request | ||
| // message are populated from the path, query parameters, or body of | ||
| // the HTTP request. The mapping is typically specified as an | ||
| // `google.api.http` annotation, see "google/api/annotations.proto" | ||
| // for details. | ||
| // | ||
| // The mapping consists of a field specifying the path template and | ||
| // method kind. The path template can refer to fields in the request | ||
| // message, as in the example below which describes a REST GET | ||
| // operation on a resource collection of messages: | ||
| // | ||
| // | ||
| // service Messaging { | ||
| // rpc GetMessage(GetMessageRequest) returns (Message) { | ||
| // option (google.api.http).get = "/v1/messages/{message_id}/{sub.subfield}"; | ||
| // } | ||
| // } | ||
| // message GetMessageRequest { | ||
| // message SubMessage { | ||
| // string subfield = 1; | ||
| // } | ||
| // string message_id = 1; // mapped to the URL | ||
| // SubMessage sub = 2; // `sub.subfield` is url-mapped | ||
| // } | ||
| // message Message { | ||
| // string text = 1; // content of the resource | ||
| // } | ||
| // | ||
| // The same http annotation can alternatively be expressed inside the | ||
| // `GRPC API Configuration` YAML file. | ||
| // | ||
| // http: | ||
| // rules: | ||
| // - selector: <proto_package_name>.Messaging.GetMessage | ||
| // get: /v1/messages/{message_id}/{sub.subfield} | ||
| // | ||
| // This definition enables an automatic, bidrectional mapping of HTTP | ||
| // JSON to RPC. Example: | ||
| // | ||
| // HTTP | RPC | ||
| // -----|----- | ||
| // `GET /v1/messages/123456/foo` | `GetMessage(message_id: "123456" sub: SubMessage(subfield: "foo"))` | ||
| // | ||
| // In general, not only fields but also field paths can be referenced | ||
| // from a path pattern. Fields mapped to the path pattern cannot be | ||
| // repeated and must have a primitive (non-message) type. | ||
| // | ||
| // Any fields in the request message which are not bound by the path | ||
| // pattern automatically become (optional) HTTP query | ||
| // parameters. Assume the following definition of the request message: | ||
| // | ||
| // | ||
| // message GetMessageRequest { | ||
| // message SubMessage { | ||
| // string subfield = 1; | ||
| // } | ||
| // string message_id = 1; // mapped to the URL | ||
| // int64 revision = 2; // becomes a parameter | ||
| // SubMessage sub = 3; // `sub.subfield` becomes a parameter | ||
| // } | ||
| // | ||
| // | ||
| // This enables a HTTP JSON to RPC mapping as below: | ||
| // | ||
| // HTTP | RPC | ||
| // -----|----- | ||
| // `GET /v1/messages/123456?revision=2&sub.subfield=foo` | `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield: "foo"))` | ||
| // | ||
| // Note that fields which are mapped to HTTP parameters must have a | ||
| // primitive type or a repeated primitive type. Message types are not | ||
| // allowed. In the case of a repeated type, the parameter can be | ||
| // repeated in the URL, as in `...?param=A¶m=B`. | ||
| // | ||
| // For HTTP method kinds which allow a request body, the `body` field | ||
| // specifies the mapping. Consider a REST update method on the | ||
| // message resource collection: | ||
| // | ||
| // | ||
| // service Messaging { | ||
| // rpc UpdateMessage(UpdateMessageRequest) returns (Message) { | ||
| // option (google.api.http) = { | ||
| // put: "/v1/messages/{message_id}" | ||
| // body: "message" | ||
| // }; | ||
| // } | ||
| // } | ||
| // message UpdateMessageRequest { | ||
| // string message_id = 1; // mapped to the URL | ||
| // Message message = 2; // mapped to the body | ||
| // } | ||
| // | ||
| // | ||
| // The following HTTP JSON to RPC mapping is enabled, where the | ||
| // representation of the JSON in the request body is determined by | ||
| // protos JSON encoding: | ||
| // | ||
| // HTTP | RPC | ||
| // -----|----- | ||
| // `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" message { text: "Hi!" })` | ||
| // | ||
| // The special name `*` can be used in the body mapping to define that | ||
| // every field not bound by the path template should be mapped to the | ||
| // request body. This enables the following alternative definition of | ||
| // the update method: | ||
| // | ||
| // service Messaging { | ||
| // rpc UpdateMessage(Message) returns (Message) { | ||
| // option (google.api.http) = { | ||
| // put: "/v1/messages/{message_id}" | ||
| // body: "*" | ||
| // }; | ||
| // } | ||
| // } | ||
| // message Message { | ||
| // string message_id = 1; | ||
| // string text = 2; | ||
| // } | ||
| // | ||
| // | ||
| // The following HTTP JSON to RPC mapping is enabled: | ||
| // | ||
| // HTTP | RPC | ||
| // -----|----- | ||
| // `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" text: "Hi!")` | ||
| // | ||
| // Note that when using `*` in the body mapping, it is not possible to | ||
| // have HTTP parameters, as all fields not bound by the path end in | ||
| // the body. This makes this option more rarely used in practice of | ||
| // defining REST APIs. The common usage of `*` is in custom methods | ||
| // which don't use the URL at all for transferring data. | ||
| // | ||
| // It is possible to define multiple HTTP methods for one RPC by using | ||
| // the `additional_bindings` option. Example: | ||
| // | ||
| // service Messaging { | ||
| // rpc GetMessage(GetMessageRequest) returns (Message) { | ||
| // option (google.api.http) = { | ||
| // get: "/v1/messages/{message_id}" | ||
| // additional_bindings { | ||
| // get: "/v1/users/{user_id}/messages/{message_id}" | ||
| // } | ||
| // }; | ||
| // } | ||
| // } | ||
| // message GetMessageRequest { | ||
| // string message_id = 1; | ||
| // string user_id = 2; | ||
| // } | ||
| // | ||
| // | ||
| // This enables the following two alternative HTTP JSON to RPC | ||
| // mappings: | ||
| // | ||
| // HTTP | RPC | ||
| // -----|----- | ||
| // `GET /v1/messages/123456` | `GetMessage(message_id: "123456")` | ||
| // `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id: "123456")` | ||
| // | ||
| // # Rules for HTTP mapping | ||
| // | ||
| // The rules for mapping HTTP path, query parameters, and body fields | ||
| // to the request message are as follows: | ||
| // | ||
| // 1. The `body` field specifies either `*` or a field path, or is | ||
| // omitted. If omitted, it assumes there is no HTTP body. | ||
| // 2. Leaf fields (recursive expansion of nested messages in the | ||
| // request) can be classified into three types: | ||
| // (a) Matched in the URL template. | ||
| // (b) Covered by body (if body is `*`, everything except (a) fields; | ||
| // else everything under the body field) | ||
| // (c) All other fields. | ||
| // 3. URL query parameters found in the HTTP request are mapped to (c) fields. | ||
| // 4. Any body sent with an HTTP request can contain only (b) fields. | ||
| // | ||
| // The syntax of the path template is as follows: | ||
| // | ||
| // Template = "/" Segments [ Verb ] ; | ||
| // Segments = Segment { "/" Segment } ; | ||
| // Segment = "*" | "**" | LITERAL | Variable ; | ||
| // Variable = "{" FieldPath [ "=" Segments ] "}" ; | ||
| // FieldPath = IDENT { "." IDENT } ; | ||
| // Verb = ":" LITERAL ; | ||
| // | ||
| // The syntax `*` matches a single path segment. It follows the semantics of | ||
| // [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2 Simple String | ||
| // Expansion. | ||
| // | ||
| // The syntax `**` matches zero or more path segments. It follows the semantics | ||
| // of [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.3 Reserved | ||
| // Expansion. NOTE: it must be the last segment in the path except the Verb. | ||
| // | ||
| // The syntax `LITERAL` matches literal text in the URL path. | ||
| // | ||
| // The syntax `Variable` matches the entire path as specified by its template; | ||
| // this nested template must not contain further variables. If a variable | ||
| // matches a single path segment, its template may be omitted, e.g. `{var}` | ||
| // is equivalent to `{var=*}`. | ||
| // | ||
| // NOTE: the field paths in variables and in the `body` must not refer to | ||
| // repeated fields or map fields. | ||
| // | ||
| // Use CustomHttpPattern to specify any HTTP method that is not included in the | ||
| // `pattern` field, such as HEAD, or "*" to leave the HTTP method unspecified for | ||
| // a given URL path rule. The wild-card rule is useful for services that provide | ||
| // content to Web (HTML) clients. | ||
| message HttpRule { | ||
| // Selects methods to which this rule applies. | ||
| // | ||
| // Refer to [selector][google.api.DocumentationRule.selector] for syntax details. | ||
| string selector = 1; | ||
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| // Determines the URL pattern is matched by this rules. This pattern can be | ||
| // used with any of the {get|put|post|delete|patch} methods. A custom method | ||
| // can be defined using the 'custom' field. | ||
| oneof pattern { | ||
| // Used for listing and getting information about resources. | ||
| string get = 2; | ||
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| // Used for updating a resource. | ||
| string put = 3; | ||
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| // Used for creating a resource. | ||
| string post = 4; | ||
|
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| // Used for deleting a resource. | ||
| string delete = 5; | ||
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| // Used for updating a resource. | ||
| string patch = 6; | ||
|
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| // Custom pattern is used for defining custom verbs. | ||
| CustomHttpPattern custom = 8; | ||
| } | ||
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| // The name of the request field whose value is mapped to the HTTP body, or | ||
| // `*` for mapping all fields not captured by the path pattern to the HTTP | ||
| // body. NOTE: the referred field must not be a repeated field and must be | ||
| // present at the top-level of request message type. | ||
| string body = 7; | ||
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| // Additional HTTP bindings for the selector. Nested bindings must | ||
| // not contain an `additional_bindings` field themselves (that is, | ||
| // the nesting may only be one level deep). | ||
| repeated HttpRule additional_bindings = 11; | ||
| } | ||
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| // A custom pattern is used for defining custom HTTP verb. | ||
| message CustomHttpPattern { | ||
| // The name of this custom HTTP verb. | ||
| string kind = 1; | ||
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| // The path matched by this custom verb. | ||
| string path = 2; | ||
| } |
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