VictoriaMetrics/vendor/cloud.google.com/go/storage/iam.go

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// Copyright 2017 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
//
// 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.
package storage
import (
"context"
"cloud.google.com/go/iam"
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"cloud.google.com/go/iam/apiv1/iampb"
"cloud.google.com/go/internal/trace"
raw "google.golang.org/api/storage/v1"
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"google.golang.org/genproto/googleapis/type/expr"
)
// IAM provides access to IAM access control for the bucket.
func (b *BucketHandle) IAM() *iam.Handle {
return iam.InternalNewHandleClient(&iamClient{
userProject: b.userProject,
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retry: b.retry,
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client: b.c,
}, b.name)
}
// iamClient implements the iam.client interface.
type iamClient struct {
userProject string
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retry *retryConfig
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client *Client
}
func (c *iamClient) Get(ctx context.Context, resource string) (p *iampb.Policy, err error) {
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return c.GetWithVersion(ctx, resource, 1)
}
func (c *iamClient) GetWithVersion(ctx context.Context, resource string, requestedPolicyVersion int32) (p *iampb.Policy, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Get")
defer func() { trace.EndSpan(ctx, err) }()
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o := makeStorageOpts(true, c.retry, c.userProject)
return c.client.tc.GetIamPolicy(ctx, resource, requestedPolicyVersion, o...)
}
func (c *iamClient) Set(ctx context.Context, resource string, p *iampb.Policy) (err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Set")
defer func() { trace.EndSpan(ctx, err) }()
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isIdempotent := len(p.Etag) > 0
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o := makeStorageOpts(isIdempotent, c.retry, c.userProject)
return c.client.tc.SetIamPolicy(ctx, resource, p, o...)
}
func (c *iamClient) Test(ctx context.Context, resource string, perms []string) (permissions []string, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Test")
defer func() { trace.EndSpan(ctx, err) }()
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o := makeStorageOpts(true, c.retry, c.userProject)
return c.client.tc.TestIamPermissions(ctx, resource, perms, o...)
}
func iamToStoragePolicy(ip *iampb.Policy) *raw.Policy {
return &raw.Policy{
Bindings: iamToStorageBindings(ip.Bindings),
Etag: string(ip.Etag),
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Version: int64(ip.Version),
}
}
func iamToStorageBindings(ibs []*iampb.Binding) []*raw.PolicyBindings {
var rbs []*raw.PolicyBindings
for _, ib := range ibs {
rbs = append(rbs, &raw.PolicyBindings{
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Role: ib.Role,
Members: ib.Members,
Condition: iamToStorageCondition(ib.Condition),
})
}
return rbs
}
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func iamToStorageCondition(exprpb *expr.Expr) *raw.Expr {
if exprpb == nil {
return nil
}
return &raw.Expr{
Expression: exprpb.Expression,
Description: exprpb.Description,
Location: exprpb.Location,
Title: exprpb.Title,
}
}
func iamFromStoragePolicy(rp *raw.Policy) *iampb.Policy {
return &iampb.Policy{
Bindings: iamFromStorageBindings(rp.Bindings),
Etag: []byte(rp.Etag),
}
}
func iamFromStorageBindings(rbs []*raw.PolicyBindings) []*iampb.Binding {
var ibs []*iampb.Binding
for _, rb := range rbs {
ibs = append(ibs, &iampb.Binding{
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Role: rb.Role,
Members: rb.Members,
Condition: iamFromStorageCondition(rb.Condition),
})
}
return ibs
}
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func iamFromStorageCondition(rawexpr *raw.Expr) *expr.Expr {
if rawexpr == nil {
return nil
}
return &expr.Expr{
Expression: rawexpr.Expression,
Description: rawexpr.Description,
Location: rawexpr.Location,
Title: rawexpr.Title,
}
}