90 lines
3 KiB
Go
90 lines
3 KiB
Go
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package s3
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import (
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/client"
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"github.com/aws/aws-sdk-go/aws/endpoints"
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"github.com/aws/aws-sdk-go/aws/request"
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"github.com/aws/aws-sdk-go/internal/s3shared/arn"
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"github.com/aws/aws-sdk-go/internal/s3shared/s3err"
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)
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func init() {
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initClient = defaultInitClientFn
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initRequest = defaultInitRequestFn
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}
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func defaultInitClientFn(c *client.Client) {
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if c.Config.UseDualStackEndpoint == endpoints.DualStackEndpointStateUnset {
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if aws.BoolValue(c.Config.UseDualStack) {
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c.Config.UseDualStackEndpoint = endpoints.DualStackEndpointStateEnabled
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} else {
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c.Config.UseDualStackEndpoint = endpoints.DualStackEndpointStateDisabled
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}
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}
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// Support building custom endpoints based on config
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c.Handlers.Build.PushFront(endpointHandler)
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// Require SSL when using SSE keys
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c.Handlers.Validate.PushBack(validateSSERequiresSSL)
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c.Handlers.Build.PushBack(computeSSEKeyMD5)
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c.Handlers.Build.PushBack(computeCopySourceSSEKeyMD5)
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// S3 uses custom error unmarshaling logic
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c.Handlers.UnmarshalError.Clear()
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c.Handlers.UnmarshalError.PushBack(unmarshalError)
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c.Handlers.UnmarshalError.PushBackNamed(s3err.RequestFailureWrapperHandler())
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}
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func defaultInitRequestFn(r *request.Request) {
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// Add request handlers for specific platforms.
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// e.g. 100-continue support for PUT requests using Go 1.6
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platformRequestHandlers(r)
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switch r.Operation.Name {
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case opGetBucketLocation:
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// GetBucketLocation has custom parsing logic
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r.Handlers.Unmarshal.PushFront(buildGetBucketLocation)
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case opCreateBucket:
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// Auto-populate LocationConstraint with current region
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r.Handlers.Validate.PushFront(populateLocationConstraint)
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case opCopyObject, opUploadPartCopy, opCompleteMultipartUpload:
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r.Handlers.Unmarshal.PushFront(copyMultipartStatusOKUnmarshalError)
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r.Handlers.Unmarshal.PushBackNamed(s3err.RequestFailureWrapperHandler())
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case opPutObject, opUploadPart:
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r.Handlers.Build.PushBack(computeBodyHashes)
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// Disabled until #1837 root issue is resolved.
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// case opGetObject:
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// r.Handlers.Build.PushBack(askForTxEncodingAppendMD5)
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// r.Handlers.Unmarshal.PushBack(useMD5ValidationReader)
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case opWriteGetObjectResponse:
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r.Handlers.Build.PushFront(buildWriteGetObjectResponseEndpoint)
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}
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}
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// bucketGetter is an accessor interface to grab the "Bucket" field from
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// an S3 type.
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type bucketGetter interface {
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getBucket() string
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}
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// sseCustomerKeyGetter is an accessor interface to grab the "SSECustomerKey"
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// field from an S3 type.
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type sseCustomerKeyGetter interface {
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getSSECustomerKey() string
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}
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// copySourceSSECustomerKeyGetter is an accessor interface to grab the
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// "CopySourceSSECustomerKey" field from an S3 type.
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type copySourceSSECustomerKeyGetter interface {
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getCopySourceSSECustomerKey() string
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}
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// endpointARNGetter is an accessor interface to grab the
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// the field corresponding to an endpoint ARN input.
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type endpointARNGetter interface {
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getEndpointARN() (arn.Resource, error)
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hasEndpointARN() bool
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}
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