Add rpc signature handler

typed-errors.go

@@ -0,0 +1,73 @@
+/*
+ * Minio Cloud Storage, (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import "errors"
+
+// errMissingAuthHeader means that Authorization header
+// has missing value or it is empty.
+var errMissingAuthHeaderValue = errors.New("Missing auth header value")
+
+// errInvalidAuthHeaderValue means that Authorization
+// header is available but is malformed and not in
+// accordance with signature v4.
+var errInvalidAuthHeaderValue = errors.New("Invalid auth header value")
+
+// errInvalidAuthHeaderPrefix means that Authorization header
+// has a wrong prefix only supported value should be "AWS4-HMAC-SHA256".
+var errInvalidAuthHeaderPrefix = errors.New("Invalid auth header prefix")
+
+// errMissingFieldsAuthHeader means that Authorization
+// header is available but has some missing fields.
+var errMissingFieldsAuthHeader = errors.New("Missing fields in auth header")
+
+// errMissingFieldsCredentialTag means that Authorization
+// header credentials tag has some missing fields.
+var errMissingFieldsCredentialTag = errors.New("Missing fields in crendential tag")
+
+// errMissingFieldsSignedHeadersTag means that Authorization
+// header signed headers tag has some missing fields.
+var errMissingFieldsSignedHeadersTag = errors.New("Missing fields in signed headers tag")
+
+// errMissingFieldsSignatureTag means that Authorization
+// header signature tag has missing fields.
+var errMissingFieldsSignatureTag = errors.New("Missing fields in signature tag")
+
+// errCredentialTagMalformed means that Authorization header
+// credential tag is malformed.
+var errCredentialTagMalformed = errors.New("Invalid credential tag malformed")
+
+// errInvalidRegion means that the region element from credential tag
+// in Authorization header is invalid.
+var errInvalidRegion = errors.New("Invalid region")
+
+// errAccessKeyIDInvalid means that the accessKeyID element from
+// credential tag in Authorization header is invalid.
+var errAccessKeyIDInvalid = errors.New("AccessKeyID invalid")
+
+// errUnsupportedAlgorithm means that the provided X-Amz-Algorithm is unsupported.
+var errUnsupportedAlgorithm = errors.New("Unsupported Algorithm")
+
+// errPolicyAlreadyExpired means that the client request carries an post policy
+// header which is already expired.
+var errPolicyAlreadyExpired = errors.New("Policy already expired")
+
+// errPolicyMissingFields means that form values and policy header have some fields missing.
+var errPolicyMissingFields = errors.New("Some fields are missing or do not match in policy")
+
+// errMissingDateHeader means that date header is missing
+var errMissingDateHeader = errors.New("Missing date header on the request")