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86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
package tencent
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import (
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"fmt"
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"github.com/cockroachdb/errors"
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"github.com/minio/minio-go/v7"
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minioCred "github.com/minio/minio-go/v7/pkg/credentials"
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"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
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)
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// NewMinioClient returns a minio.Client which is compatible for tencent OSS
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func NewMinioClient(address string, opts *minio.Options) (*minio.Client, error) {
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if opts == nil {
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opts = &minio.Options{}
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}
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if opts.Creds == nil {
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credProvider, err := NewCredentialProvider()
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if err != nil {
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return nil, errors.Wrap(err, "failed to create credential provider")
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}
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opts.Creds = minioCred.New(credProvider)
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}
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if address == "" {
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address = fmt.Sprintf("cos.%s.myqcloud.com", opts.Region)
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opts.Secure = true
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}
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return minio.New(address, opts)
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}
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// Credential is defined to mock tencent credential.Credentials
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//
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//go:generate mockery --name=Credential --with-expecter
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type Credential interface {
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common.CredentialIface
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}
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// CredentialProvider implements "github.com/minio/minio-go/v7/pkg/credentials".Provider
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// also implements transport
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type CredentialProvider struct {
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// tencentCreds doesn't provide a way to get the expired time, so we use the cache to check if it's expired
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// when tencentCreds.GetSecretId is different from the cache, we know it's expired
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akCache string
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tencentCreds Credential
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}
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func NewCredentialProvider() (minioCred.Provider, error) {
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provider, err := common.DefaultTkeOIDCRoleArnProvider()
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if err != nil {
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return nil, errors.Wrap(err, "failed to create tencent credential provider")
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}
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cred, err := provider.GetCredential()
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if err != nil {
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return nil, errors.Wrap(err, "failed to get tencent credential")
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}
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return &CredentialProvider{tencentCreds: cred}, nil
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}
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// Retrieve returns nil if it successfully retrieved the value.
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// Error is returned if the value were not obtainable, or empty.
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// according to the caller minioCred.Credentials.Get(),
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// it already has a lock, so we don't need to worry about concurrency
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func (c *CredentialProvider) Retrieve() (minioCred.Value, error) {
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ret := minioCred.Value{}
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ak := c.tencentCreds.GetSecretId()
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ret.AccessKeyID = ak
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c.akCache = ak
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sk := c.tencentCreds.GetSecretKey()
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ret.SecretAccessKey = sk
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securityToken := c.tencentCreds.GetToken()
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ret.SessionToken = securityToken
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return ret, nil
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}
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// IsExpired returns if the credentials are no longer valid, and need
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// to be retrieved.
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// according to the caller minioCred.Credentials.IsExpired(),
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// it already has a lock, so we don't need to worry about concurrency
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func (c CredentialProvider) IsExpired() bool {
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ak := c.tencentCreds.GetSecretId()
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return ak != c.akCache
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}
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