vibe.aws.credentials source code

1 module vibe.aws.credentials;
2 
3 
4 /**
5   AWS Credentials
6  */
7 struct AWSCredentials {
8     string accessKeyID;
9     string accessKeySecret;
10     string sessionToken;
11 }
12 
13 /**
14   AWS Credential source
15 
16   Classes that implement this provide credentials for AWS requests. A
17   Credential Source is an active object, since credentials may change during
18   the lifetime of the application
19  */
20 interface AWSCredentialSource {
21     /**
22       Retrieve the current set of credentials
23      */
24     AWSCredentials credentials(string credScope);
25 
26     /**
27       Called when credentials turn out to be rejected by the backend
28      */
29     void credentialsInvalid(string credScope, AWSCredentials creds, string reason);
30 }
31 
32 /**
33   Provider of a static set of AWS credentials
34 
35   This will never use a session token, since the credentials have to be root or
36   static IAM credentials.
37  */
38 class StaticAWSCredentials : AWSCredentialSource
39 {
40     AWSCredentials m_creds;
41 
42     this(string accessKeyID, string accessKeySecret)
43     {
44         m_creds = AWSCredentials(accessKeyID, accessKeySecret, "");
45     }
46 
47     AWSCredentials credentials(string credScope)
48     {
49         // FIXME: Different creds for different scopes?
50         return m_creds;
51     }
52 
53     void credentialsInvalid(string credScope, AWSCredentials creds, string reason)
54     {
55         // Nothing we can do about this, just throw an exception
56         throw new Exception("Static credentials with ID " ~ creds.accessKeyID ~ " rejected because: " ~ reason);
57     }
58 }