mirror of
https://github.com/eiblog/eiblog.git
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120 lines
3.9 KiB
Go
120 lines
3.9 KiB
Go
package kodo
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import (
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"encoding/json"
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/qiniu/api.v7/api"
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"github.com/qiniu/api.v7/auth/qbox"
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"github.com/qiniu/x/url.v7"
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)
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// ----------------------------------------------------------
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// 根据空间(Bucket)的域名，以及文件的 key，获得 baseUrl。
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// 如果空间是 public 的，那么通过 baseUrl 可以直接下载文件内容。
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// 如果空间是 private 的，那么需要对 baseUrl 进行私有签名得到一个临时有效的 privateUrl 进行下载。
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//
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func MakeBaseUrl(domain, key string) (baseUrl string) {
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return "http://" + domain + "/" + url.Escape(key)
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}
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// ----------------------------------------------------------
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type GetPolicy struct {
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Expires uint32
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}
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func (p *Client) MakePrivateUrl(baseUrl string, policy *GetPolicy) (privateUrl string) {
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var expires int64
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if policy == nil || policy.Expires == 0 {
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expires = 3600
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} else {
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expires = int64(policy.Expires)
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}
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deadline := time.Now().Unix() + expires
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if strings.Contains(baseUrl, "?") {
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baseUrl += "&e="
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} else {
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baseUrl += "?e="
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}
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baseUrl += strconv.FormatInt(deadline, 10)
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token := qbox.Sign(p.mac, []byte(baseUrl))
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return baseUrl + "&token=" + token
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}
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// --------------------------------------------------------------------------------
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type PutPolicy struct {
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Scope string `json:"scope"`
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Expires uint32 `json:"deadline"` // 截止时间（以秒为单位）
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InsertOnly uint16 `json:"insertOnly,omitempty"` // 若非0, 即使Scope为 Bucket:Key 的形式也是insert only
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DetectMime uint8 `json:"detectMime,omitempty"` // 若非0, 则服务端根据内容自动确定 MimeType
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CallbackFetchKey uint8 `json:"callbackFetchKey,omitempty"`
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FsizeLimit int64 `json:"fsizeLimit,omitempty"`
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MimeLimit string `json:"mimeLimit,omitempty"`
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SaveKey string `json:"saveKey,omitempty"`
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CallbackUrl string `json:"callbackUrl,omitempty"`
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CallbackHost string `json:"callbackHost,omitempty"`
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CallbackBody string `json:"callbackBody,omitempty"`
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CallbackBodyType string `json:"callbackBodyType,omitempty"`
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ReturnUrl string `json:"returnUrl,omitempty"`
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ReturnBody string `json:"returnBody,omitempty"`
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PersistentOps string `json:"persistentOps,omitempty"`
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PersistentNotifyUrl string `json:"persistentNotifyUrl,omitempty"`
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PersistentPipeline string `json:"persistentPipeline,omitempty"`
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AsyncOps string `json:"asyncOps,omitempty"`
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EndUser string `json:"endUser,omitempty"`
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Checksum string `json:"checksum,omitempty"` // 格式：<HashName>:<HexHashValue>，目前支持 MD5/SHA1。
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UpHosts []string `json:"uphosts,omitempty"`
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DeleteAfterDays int `json:"deleteAfterDays,omitempty"`
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FileType int `json:"fileType,omitempty"`
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}
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func (p *Client) MakeUptoken(policy *PutPolicy) string {
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token, err := p.MakeUptokenWithSafe(policy)
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if err != nil {
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fmt.Errorf("makeuptoken failed: policy: %+v, error: %+v", policy, err)
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}
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return token
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}
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func (p *Client) MakeUptokenWithSafe(policy *PutPolicy) (token string, err error) {
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var rr = *policy
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if len(rr.UpHosts) == 0 {
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bucketName := getBucketNameFromPutPolicy(policy)
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bucketInfo, err1 := p.GetBucketInfo(bucketName)
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if err1 != nil {
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err = err1
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return
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}
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rr.UpHosts = bucketInfo.UpHosts
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}
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if rr.Expires == 0 {
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rr.Expires = 3600
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}
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rr.Expires += uint32(time.Now().Unix())
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b, _ := json.Marshal(&rr)
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token = qbox.SignWithData(p.mac, b)
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return
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}
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func getBucketNameFromPutPolicy(policy *PutPolicy) (bucketName string) {
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scope := policy.Scope
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bucketName = strings.Split(scope, ":")[0]
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return
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}
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func (p *Client) GetBucketInfo(bucketName string) (bucketInfo api.BucketInfo, err error) {
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return p.apiCli.GetBucketInfo(p.mac.AccessKey, bucketName)
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}
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// ----------------------------------------------------------
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