s3

package
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Published: May 17, 2015 License: Apache-2.0 Imports: 21 Imported by: 0

Documentation

Overview

Package s3 implements a generic Amazon S3 client, not specific to Camlistore.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsValidBucket

func IsValidBucket(bucket string) bool

IsValid reports whether bucket is a valid bucket name, per Amazon's naming restrictions.

See http://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html

Types

type Auth

type Auth struct {
	AccessKey       string
	SecretAccessKey string

	// Hostname is the S3 hostname to use.
	// If empty, the standard US region of "s3.amazonaws.com" is
	// used.
	Hostname string
}

func (*Auth) SignRequest

func (a *Auth) SignRequest(req *http.Request)

type Bucket

type Bucket struct {
	Name         string
	CreationDate string // 2006-02-03T16:45:09.000Z
}

type Client

type Client struct {
	*Auth
	Transport http.RoundTripper // or nil for the default
}

Client is an Amazon S3 client.

func (*Client) BucketLocation

func (c *Client) BucketLocation(bucket string) (location string, err error)

BucketLocation returns the S3 hostname to be used with the given bucket.

func (*Client) Buckets

func (c *Client) Buckets() ([]*Bucket, error)

func (*Client) Delete

func (c *Client) Delete(bucket, key string) error

func (*Client) Get

func (c *Client) Get(bucket, key string) (body io.ReadCloser, size int64, err error)

func (*Client) GetPartial

func (c *Client) GetPartial(bucket, key string, offset, length int64) (rc io.ReadCloser, err error)

GetPartial fetches part of the s3 key object in bucket. If length is negative, the rest of the object is returned. The caller must close rc.

func (*Client) ListBucket

func (c *Client) ListBucket(bucket string, startAt string, maxKeys int) (items []*Item, err error)

ListBucket returns 0 to maxKeys (inclusive) items from the provided bucket. Keys before startAt will be skipped. (This is the S3 'marker' value). If the length of the returned items is equal to maxKeys, there is no indication whether or not the returned list is truncated.

func (*Client) PutObject

func (c *Client) PutObject(key, bucket string, md5 hash.Hash, size int64, body io.Reader) error

func (*Client) Stat

func (c *Client) Stat(key, bucket string) (size int64, reterr error)

Returns 0, os.ErrNotExist if not on S3, otherwise reterr is real.

type Error

type Error struct {
	Op     string
	Code   int         // HTTP status code
	Body   []byte      // response body
	Header http.Header // response headers

	// UsedEndpoint and AmazonCode are the XML response's Endpoint and
	// Code fields, respectively.
	UseEndpoint string // if a temporary redirect (wrong hostname)
	AmazonCode  string
}

Error is the type returned by some API operations.

TODO: it should be more/all of them.

func (*Error) Error

func (e *Error) Error() string

type Item

type Item struct {
	Key  string
	Size int64
}

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