mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
128 lines
3.9 KiB
Go
128 lines
3.9 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2016 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 cmd
|
|
|
|
import (
|
|
"encoding/xml"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net"
|
|
"net/http"
|
|
|
|
. "gopkg.in/check.v1"
|
|
)
|
|
|
|
// Concurreny level.
|
|
const (
|
|
ConcurrencyLevel = 10
|
|
)
|
|
|
|
///
|
|
/// Excerpts from @lsegal - https://github.com/aws/aws-sdk-js/issues/659#issuecomment-120477258
|
|
///
|
|
/// User-Agent:
|
|
///
|
|
/// This is ignored from signing because signing this causes problems with generating pre-signed URLs
|
|
/// (that are executed by other agents) or when customers pass requests through proxies, which may
|
|
/// modify the user-agent.
|
|
///
|
|
/// Content-Length:
|
|
///
|
|
/// This is ignored from signing because generating a pre-signed URL should not provide a content-length
|
|
/// constraint, specifically when vending a S3 pre-signed PUT URL. The corollary to this is that when
|
|
/// sending regular requests (non-pre-signed), the signature contains a checksum of the body, which
|
|
/// implicitly validates the payload length (since changing the number of bytes would change the checksum)
|
|
/// and therefore this header is not valuable in the signature.
|
|
///
|
|
/// Content-Type:
|
|
///
|
|
/// Signing this header causes quite a number of problems in browser environments, where browsers
|
|
/// like to modify and normalize the content-type header in different ways. There is more information
|
|
/// on this in https://github.com/aws/aws-sdk-js/issues/244. Avoiding this field simplifies logic
|
|
/// and reduces the possibility of future bugs
|
|
///
|
|
/// Authorization:
|
|
///
|
|
/// Is skipped for obvious reasons
|
|
///
|
|
var ignoredHeaders = map[string]bool{
|
|
"Authorization": true,
|
|
"Content-Type": true,
|
|
"Content-Length": true,
|
|
"User-Agent": true,
|
|
}
|
|
|
|
// Headers to ignore in streaming v4
|
|
var ignoredStreamingHeaders = map[string]bool{
|
|
"Authorization": true,
|
|
"Content-Type": true,
|
|
"Content-Md5": true,
|
|
"User-Agent": true,
|
|
}
|
|
|
|
// calculateSignedChunkLength - calculates the length of chunk metadata
|
|
func calculateSignedChunkLength(chunkDataSize int64) int64 {
|
|
return int64(len(fmt.Sprintf("%x", chunkDataSize))) +
|
|
17 + // ";chunk-signature="
|
|
64 + // e.g. "f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2"
|
|
2 + // CRLF
|
|
chunkDataSize +
|
|
2 // CRLF
|
|
}
|
|
|
|
// calculateSignedChunkLength - calculates the length of the overall stream (data + metadata)
|
|
func calculateStreamContentLength(dataLen, chunkSize int64) int64 {
|
|
if dataLen <= 0 {
|
|
return 0
|
|
}
|
|
chunksCount := int64(dataLen / chunkSize)
|
|
remainingBytes := int64(dataLen % chunkSize)
|
|
streamLen := int64(0)
|
|
streamLen += chunksCount * calculateSignedChunkLength(chunkSize)
|
|
if remainingBytes > 0 {
|
|
streamLen += calculateSignedChunkLength(remainingBytes)
|
|
}
|
|
streamLen += calculateSignedChunkLength(0)
|
|
return streamLen
|
|
}
|
|
|
|
// Ask the kernel for a free open port.
|
|
func getFreePort() int {
|
|
addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
l, err := net.ListenTCP("tcp", addr)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer l.Close()
|
|
return l.Addr().(*net.TCPAddr).Port
|
|
}
|
|
|
|
func verifyError(c *C, response *http.Response, code, description string, statusCode int) {
|
|
data, err := ioutil.ReadAll(response.Body)
|
|
c.Assert(err, IsNil)
|
|
errorResponse := APIErrorResponse{}
|
|
err = xml.Unmarshal(data, &errorResponse)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(errorResponse.Code, Equals, code)
|
|
c.Assert(errorResponse.Message, Equals, description)
|
|
c.Assert(response.StatusCode, Equals, statusCode)
|
|
}
|