| // Copyright 2019 Google LLC |
| // |
| // 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 |
| // |
| // https://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. |
| |
| // Code generated by gapic-generator. DO NOT EDIT. |
| |
| package credentials |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| gax "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/option" |
| "google.golang.org/api/transport" |
| credentialspb "google.golang.org/genproto/googleapis/iam/credentials/v1" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| // IamCredentialsCallOptions contains the retry settings for each method of IamCredentialsClient. |
| type IamCredentialsCallOptions struct { |
| GenerateAccessToken []gax.CallOption |
| GenerateIdToken []gax.CallOption |
| SignBlob []gax.CallOption |
| SignJwt []gax.CallOption |
| } |
| |
| func defaultIamCredentialsClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| option.WithEndpoint("iamcredentials.googleapis.com:443"), |
| option.WithScopes(DefaultAuthScopes()...), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultIamCredentialsCallOptions() *IamCredentialsCallOptions { |
| retry := map[[2]string][]gax.CallOption{ |
| {"default", "idempotent"}: { |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.3, |
| }) |
| }), |
| }, |
| } |
| return &IamCredentialsCallOptions{ |
| GenerateAccessToken: retry[[2]string{"default", "idempotent"}], |
| GenerateIdToken: retry[[2]string{"default", "idempotent"}], |
| SignBlob: retry[[2]string{"default", "idempotent"}], |
| SignJwt: retry[[2]string{"default", "idempotent"}], |
| } |
| } |
| |
| // IamCredentialsClient is a client for interacting with IAM Service Account Credentials API. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type IamCredentialsClient struct { |
| // The connection to the service. |
| conn *grpc.ClientConn |
| |
| // The gRPC API client. |
| iamCredentialsClient credentialspb.IAMCredentialsClient |
| |
| // The call options for this service. |
| CallOptions *IamCredentialsCallOptions |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewIamCredentialsClient creates a new iam credentials client. |
| // |
| // A service account is a special type of Google account that belongs to your |
| // application or a virtual machine (VM), instead of to an individual end user. |
| // Your application assumes the identity of the service account to call Google |
| // APIs, so that the users aren't directly involved. |
| // |
| // Service account credentials are used to temporarily assume the identity |
| // of the service account. Supported credential types include OAuth 2.0 access |
| // tokens, OpenID Connect ID tokens, self-signed JSON Web Tokens (JWTs), and |
| // more. |
| func NewIamCredentialsClient(ctx context.Context, opts ...option.ClientOption) (*IamCredentialsClient, error) { |
| conn, err := transport.DialGRPC(ctx, append(defaultIamCredentialsClientOptions(), opts...)...) |
| if err != nil { |
| return nil, err |
| } |
| c := &IamCredentialsClient{ |
| conn: conn, |
| CallOptions: defaultIamCredentialsCallOptions(), |
| |
| iamCredentialsClient: credentialspb.NewIAMCredentialsClient(conn), |
| } |
| c.setGoogleClientInfo() |
| return c, nil |
| } |
| |
| // Connection returns the client's connection to the API service. |
| func (c *IamCredentialsClient) Connection() *grpc.ClientConn { |
| return c.conn |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *IamCredentialsClient) Close() error { |
| return c.conn.Close() |
| } |
| |
| // setGoogleClientInfo sets the name and version of the application in |
| // the `x-goog-api-client` header passed on each request. Intended for |
| // use by Google-written clients. |
| func (c *IamCredentialsClient) setGoogleClientInfo(keyval ...string) { |
| kv := append([]string{"gl-go", versionGo()}, keyval...) |
| kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) |
| c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) |
| } |
| |
| // GenerateAccessToken generates an OAuth 2.0 access token for a service account. |
| func (c *IamCredentialsClient) GenerateAccessToken(ctx context.Context, req *credentialspb.GenerateAccessTokenRequest, opts ...gax.CallOption) (*credentialspb.GenerateAccessTokenResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.GenerateAccessToken[0:len(c.CallOptions.GenerateAccessToken):len(c.CallOptions.GenerateAccessToken)], opts...) |
| var resp *credentialspb.GenerateAccessTokenResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.iamCredentialsClient.GenerateAccessToken(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // GenerateIdToken generates an OpenID Connect ID token for a service account. |
| func (c *IamCredentialsClient) GenerateIdToken(ctx context.Context, req *credentialspb.GenerateIdTokenRequest, opts ...gax.CallOption) (*credentialspb.GenerateIdTokenResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.GenerateIdToken[0:len(c.CallOptions.GenerateIdToken):len(c.CallOptions.GenerateIdToken)], opts...) |
| var resp *credentialspb.GenerateIdTokenResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.iamCredentialsClient.GenerateIdToken(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // SignBlob signs a blob using a service account's system-managed private key. |
| func (c *IamCredentialsClient) SignBlob(ctx context.Context, req *credentialspb.SignBlobRequest, opts ...gax.CallOption) (*credentialspb.SignBlobResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.SignBlob[0:len(c.CallOptions.SignBlob):len(c.CallOptions.SignBlob)], opts...) |
| var resp *credentialspb.SignBlobResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.iamCredentialsClient.SignBlob(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // SignJwt signs a JWT using a service account's system-managed private key. |
| func (c *IamCredentialsClient) SignJwt(ctx context.Context, req *credentialspb.SignJwtRequest, opts ...gax.CallOption) (*credentialspb.SignJwtResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.SignJwt[0:len(c.CallOptions.SignJwt):len(c.CallOptions.SignJwt)], opts...) |
| var resp *credentialspb.SignJwtResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.iamCredentialsClient.SignJwt(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |