Initial transfer of provider code

1 files changed, 36 insertions, 0 deletions

diff --git a/vendor/github.com/aws/aws-sdk-go/service/s3/content_md5.go b/vendor/github.com/aws/aws-sdk-go/service/s3/content_md5.go
new file mode 100644
index 0000000..9fc5df9
--- /dev/null
+++ b/vendor/github.com/aws/aws-sdk-go/service/s3/content_md5.go
@@ -0,0 +1,36 @@
+package s3
+
+import (
+        "crypto/md5"
+        "encoding/base64"
+        "io"
+
+        "github.com/aws/aws-sdk-go/aws/awserr"
+        "github.com/aws/aws-sdk-go/aws/request"
+)
+
+// contentMD5 computes and sets the HTTP Content-MD5 header for requests that
+// require it.
+func contentMD5(r *request.Request) {
+        h := md5.New()
+
+        // hash the body.  seek back to the first position after reading to reset
+        // the body for transmission.  copy errors may be assumed to be from the
+        // body.
+        _, err := io.Copy(h, r.Body)
+        if err != nil {
+                r.Error = awserr.New("ContentMD5", "failed to read body", err)
+                return
+        }
+        _, err = r.Body.Seek(0, 0)
+        if err != nil {
+                r.Error = awserr.New("ContentMD5", "failed to seek body", err)
+                return
+        }
+
+        // encode the md5 checksum in base64 and set the request header.
+        sum := h.Sum(nil)
+        sum64 := make([]byte, base64.StdEncoding.EncodedLen(len(sum)))
+        base64.StdEncoding.Encode(sum64, sum)
+        r.HTTPRequest.Header.Set("Content-MD5", string(sum64))
+}