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s3: allow anonymous access to public repositories - fixes #154

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When setting up the remote, leave both the access key and secret key
blank.
This commit is contained in:
Nick Craig-Wood 2015-09-29 09:58:03 +01:00
parent 938dd24cc9
commit 9f1daabb2c
2 changed files with 50 additions and 7 deletions
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38
docs/content/s3.md
View File

@ -133,6 +133,44 @@ created in. If you attempt to access a bucket from the wrong region,
you will get an error, `incorrect region, the bucket is not in 'XXX'
region`.
### Anonymous access to public buckets ###
If you want to use rclone to access a public bucket, configure with a
blank `access_key_id` and `secret_access_key`. Eg
```
e) Edit existing remote
n) New remote
d) Delete remote
q) Quit config
e/n/d/q> n
name> anons3
What type of source is it?
Choose a number from below
1) amazon cloud drive
2) drive
3) dropbox
4) google cloud storage
5) local
6) s3
7) swift
type> 6
AWS Access Key ID - leave blank for anonymous access.
access_key_id>
AWS Secret Access Key (password) - leave blank for anonymous access.
secret_access_key>
Region to connect to.
region> 1
endpoint>
location_constraint>
```
Then use it as normal with the name of the public bucket, eg
rclone lsd anons3:1000genomes
You will be able to list and copy data but not upload it.
### Ceph ###
Ceph is an object storage system which presents an Amazon S3 interface.

19
s3/s3.go
View File

@ -41,10 +41,10 @@ func init() {
// AWS endpoints: http://docs.amazonwebservices.com/general/latest/gr/rande.html#s3_region
Options: []fs.Option{{
Name: "access_key_id",
Help: "AWS Access Key ID.",
Help: "AWS Access Key ID - leave blank for anonymous access.",
}, {
Name: "secret_access_key",
Help: "AWS Secret Access Key (password). ",
Help: "AWS Secret Access Key (password) - leave blank for anonymous access.",
}, {
Name: "region",
Help: "Region to connect to.",
@ -193,14 +193,19 @@ func s3ParsePath(path string) (bucket, directory string, err error) {
func s3Connection(name string) (*s3.S3, error) {
// Make the auth
accessKeyID := fs.ConfigFile.MustValue(name, "access_key_id")
if accessKeyID == "" {
return nil, errors.New("access_key_id not found")
}
secretAccessKey := fs.ConfigFile.MustValue(name, "secret_access_key")
if secretAccessKey == "" {
var auth *credentials.Credentials
switch {
case accessKeyID == "" && secretAccessKey == "":
fs.Debug(name, "Using anonymous access for S3")
auth = credentials.AnonymousCredentials
case accessKeyID == "":
return nil, errors.New("access_key_id not found")
case secretAccessKey == "":
return nil, errors.New("secret_access_key not found")
default:
auth = credentials.NewStaticCredentials(accessKeyID, secretAccessKey, "")
}
auth := credentials.NewStaticCredentials(accessKeyID, secretAccessKey, "")
endpoint := fs.ConfigFile.MustValue(name, "endpoint")
region := fs.ConfigFile.MustValue(name, "region")