Merge pull request #1061 from harshavardhana/order-presign

presign: Verify query params for presign individually
This commit is contained in:
Harshavardhana 2016-01-28 12:27:13 -08:00
commit 52f00042b4

View File

@ -308,12 +308,27 @@ func (r *Signature) DoesPresignedSignatureMatch() (bool, *probe.Error) {
query.Set("X-Amz-Expires", strconv.Itoa(expireSeconds))
query.Set("X-Amz-SignedHeaders", r.getSignedHeaders(r.extractSignedHeaders()))
query.Set("X-Amz-Credential", r.AccessKeyID+"/"+r.getScope(t))
encodedQuery := query.Encode()
newSignature := r.getSignature(r.getSigningKey(t), r.getStringToSign(r.getPresignedCanonicalRequest(encodedQuery), t))
encodedQuery += "&X-Amz-Signature=" + newSignature
if encodedQuery != r.Request.URL.RawQuery {
// Verify if date query is same.
if r.Request.URL.Query().Get("X-Amz-Date") != query.Get("X-Amz-Date") {
return false, nil
}
// Verify if expires query is same.
if r.Request.URL.Query().Get("X-Amz-Expires") != query.Get("X-Amz-Expires") {
return false, nil
}
// Verify if signed headers query is same.
if r.Request.URL.Query().Get("X-Amz-SignedHeaders") != query.Get("X-Amz-SignedHeaders") {
return false, nil
}
// Verify if credential query is same.
if r.Request.URL.Query().Get("X-Amz-Credential") != query.Get("X-Amz-Credential") {
return false, nil
}
// Verify finally if signature is same.
newSignature := r.getSignature(r.getSigningKey(t), r.getStringToSign(r.getPresignedCanonicalRequest(encodedQuery), t))
if r.Request.URL.Query().Get("X-Amz-Signature") != newSignature {
return false, nil
}
return true, nil