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author | Christopher Speller <crspeller@gmail.com> | 2017-06-21 19:06:17 -0700 |
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committer | Corey Hulen <corey@hulen.com> | 2017-06-21 19:06:17 -0700 |
commit | 42f28ab8e374137fe3f5d25424489d879d4724f8 (patch) | |
tree | 20353f2446b506d32e6d353b72a57bf48f070389 /vendor/github.com/minio/minio-go/pkg/credentials/chain.go | |
parent | 6b39c308d882a0aeac533f8ab1d90b48a2ae4b5a (diff) | |
download | chat-42f28ab8e374137fe3f5d25424489d879d4724f8.tar.gz chat-42f28ab8e374137fe3f5d25424489d879d4724f8.tar.bz2 chat-42f28ab8e374137fe3f5d25424489d879d4724f8.zip |
Updating server dependancies (#6712)
Diffstat (limited to 'vendor/github.com/minio/minio-go/pkg/credentials/chain.go')
-rw-r--r-- | vendor/github.com/minio/minio-go/pkg/credentials/chain.go | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/vendor/github.com/minio/minio-go/pkg/credentials/chain.go b/vendor/github.com/minio/minio-go/pkg/credentials/chain.go deleted file mode 100644 index 6b0e57440..000000000 --- a/vendor/github.com/minio/minio-go/pkg/credentials/chain.go +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Minio Go Library for Amazon S3 Compatible Cloud Storage - * (C) 2017 Minio, 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. - */ - -package credentials - -import "fmt" - -// A Chain will search for a provider which returns credentials -// and cache that provider until Retrieve is called again. -// -// The Chain provides a way of chaining multiple providers together -// which will pick the first available using priority order of the -// Providers in the list. -// -// If none of the Providers retrieve valid credentials Value, ChainProvider's -// Retrieve() will return the error, collecting all errors from all providers. -// -// If a Provider is found which returns valid credentials Value ChainProvider -// will cache that Provider for all calls to IsExpired(), until Retrieve is -// called again. -// -// creds := credentials.NewChainCredentials( -// []credentials.Provider{ -// &credentials.EnvAWSS3{}, -// &credentials.EnvMinio{}, -// }) -// -// // Usage of ChainCredentials. -// mc, err := minio.NewWithCredentials(endpoint, creds, secure, "us-east-1") -// if err != nil { -// log.Fatalln(err) -// } -// -type Chain struct { - Providers []Provider - curr Provider -} - -// NewChainCredentials returns a pointer to a new Credentials object -// wrapping a chain of providers. -func NewChainCredentials(providers []Provider) *Credentials { - return New(&Chain{ - Providers: append([]Provider{}, providers...), - }) -} - -// Retrieve returns the credentials value or error if no provider returned -// without error. -// -// If a provider is found it will be cached and any calls to IsExpired() -// will return the expired state of the cached provider. -func (c *Chain) Retrieve() (Value, error) { - var errs []error - for _, p := range c.Providers { - creds, err := p.Retrieve() - if err != nil { - errs = append(errs, err) - continue - } // Success. - c.curr = p - return creds, nil - } - c.curr = nil - return Value{}, fmt.Errorf("No valid providers found %v", errs) -} - -// IsExpired will returned the expired state of the currently cached provider -// if there is one. If there is no current provider, true will be returned. -func (c *Chain) IsExpired() bool { - if c.curr != nil { - return c.curr.IsExpired() - } - - return true -} |