func (v4 *signer) buildCanonicalString() {
v4.Request.URL.RawQuery = strings.Replace(v4.Query.Encode(), "+", "%20", -1)
uri := v4.Request.URL.Opaque
if uri != "" {
uri = "/" + strings.Join(strings.Split(uri, "/")[3:], "/")
} else {
uri = v4.Request.URL.Path
}
if uri == "" {
uri = "/"
}
if v4.ServiceName != "s3" {
uri = rest.EscapePath(uri, false)
}
v4.canonicalString = strings.Join([]string{
v4.Request.Method,
uri,
v4.Request.URL.RawQuery,
v4.canonicalHeaders + "\n",
v4.signedHeaders,
v4.bodyDigest(),
}, "\n")
}
func (v2 *signer) buildCanonicalResource() {
endpoint := v2.Service.Endpoint
v2.Request.URL.RawQuery = strings.Replace(v2.Query.Encode(), "+", "%20", -1)
url := v2.Request.URL.String()
//在aws.service.go,buildEndpoint会把sheme也加上
pathStyle := strings.HasPrefix(url, endpoint)
uri := v2.Request.URL.Opaque
bucketInHost := ""
if !pathStyle {
if strings.HasPrefix(url, "http://") {
url = url[7:]
endpoint = endpoint[7:]
} else if strings.HasPrefix(url, "https://") {
url = url[8:]
endpoint = endpoint[8:]
}
bucketInHost = url[0 : strings.Index(url, endpoint)-1]
}
if uri != "" {
uris := strings.Split(uri, "/")[3:]
append := false
if len(uris) == 1 && uris[0] != "" && bucketInHost == "" {
//只有bucket
append = true
} else if len(uris) == 0 && bucketInHost != "" {
append = true
}
uri = "/" + strings.Join(strings.Split(uri, "/")[3:], "/")
if bucketInHost != "" {
uri = "/" + bucketInHost + uri
}
if append {
uri += "/"
}
} else {
uri = v2.Request.URL.Path
}
if uri == "" {
uri = "/"
}
if v2.ServiceName != "s3" {
uri = rest.EscapePath(uri, false)
}
var querys []string
for k := range v2.Query {
if _, ok := signQuerys[k]; ok {
querys = append(querys, k)
}
}
sort.Strings(querys)
queryValues := make([]string, len(querys))
for i, k := range querys {
v := v2.Query[k]
vString := strings.Join(v, ",")
if vString != "" {
queryValues[i] = k + "=" + vString
} else {
queryValues[i] = k
}
}
queryString := strings.Join(queryValues, "&")
if queryString == "" {
v2.canonicalResource = uri
} else {
v2.canonicalResource = uri + "?" + queryString
}
}