mirror of
https://github.com/yunionio/cloudpods.git
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77c4a53059
Cyberduck 注意：以下两个文件的修改还未被官方合并，所以下次make mod的时候会被覆盖，需要注意checkout恢复： vendor/github.com/Azure/azure-sdk-for-go/storage/blockblob.go vendor/github.com/tencentyun/cos-go-sdk-v5/object_part.go
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package s3auth
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import (
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"encoding/hex"
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"net/http"
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"regexp"
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"strings"
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"unicode/utf8"
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)
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// if object matches reserved string, no need to encode them
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var reservedObjectNames = regexp.MustCompile("^[a-zA-Z0-9-_.~/]+$")
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// EncodePath encode the strings from UTF-8 byte representations to HTML hex escape sequences
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//
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// This is necessary since regular url.Parse() and url.Encode() functions do not support UTF-8
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// non english characters cannot be parsed due to the nature in which url.Encode() is written
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//
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// This function on the other hand is a direct replacement for url.Encode() technique to support
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// pretty much every UTF-8 character.
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func encodePath(pathName string) string {
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if reservedObjectNames.MatchString(pathName) {
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return pathName
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}
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var encodedPathname string
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for _, s := range pathName {
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if 'A' <= s && s <= 'Z' || 'a' <= s && s <= 'z' || '0' <= s && s <= '9' { // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s)
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continue
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}
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switch s {
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case '-', '_', '.', '~', '/': // §2.3 Unreserved characters (mark)
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encodedPathname = encodedPathname + string(s)
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continue
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default:
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len := utf8.RuneLen(s)
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if len < 0 {
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// if utf8 cannot convert return the same string as is
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return pathName
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}
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u := make([]byte, len)
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utf8.EncodeRune(u, s)
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for _, r := range u {
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hex := hex.EncodeToString([]byte{r})
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encodedPathname = encodedPathname + "%" + strings.ToUpper(hex)
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}
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}
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}
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return encodedPathname
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}
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// getHostAddr returns host header if available, otherwise returns host from URL
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func getHostAddr(req http.Request) string {
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if req.Host != "" {
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return req.Host
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}
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return req.URL.Host
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}
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// Encode input URL path to URL encoded path.
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func encodeURL2Path(req http.Request, virtualHost bool) (path string) {
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if virtualHost {
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reqHost := getHostAddr(req)
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dotPos := strings.Index(reqHost, ".")
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if dotPos > -1 {
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bucketName := reqHost[:dotPos]
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path = "/" + bucketName
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path += req.URL.Path
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path = encodePath(path)
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return
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}
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}
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path = encodePath(req.URL.Path)
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return
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}
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