mirror of
https://github.com/restic/restic.git
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228 lines
4.9 KiB
Go
228 lines
4.9 KiB
Go
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package swift
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import (
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"bytes"
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"encoding/json"
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"net/http"
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"strings"
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)
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const (
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v3AuthMethodToken = "token"
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v3AuthMethodPassword = "password"
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v3CatalogTypeObjectStore = "object-store"
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)
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// V3 Authentication request
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// http://docs.openstack.org/developer/keystone/api_curl_examples.html
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// http://developer.openstack.org/api-ref-identity-v3.html
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type v3AuthRequest struct {
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Auth struct {
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Identity struct {
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Methods []string `json:"methods"`
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Password *v3AuthPassword `json:"password,omitempty"`
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Token *v3AuthToken `json:"token,omitempty"`
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} `json:"identity"`
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Scope *v3Scope `json:"scope,omitempty"`
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} `json:"auth"`
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}
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type v3Scope struct {
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Project *v3Project `json:"project,omitempty"`
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Domain *v3Domain `json:"domain,omitempty"`
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Trust *v3Trust `json:"OS-TRUST:trust,omitempty"`
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}
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type v3Domain struct {
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Id string `json:"id,omitempty"`
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Name string `json:"name,omitempty"`
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}
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type v3Project struct {
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Name string `json:"name,omitempty"`
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Id string `json:"id,omitempty"`
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Domain *v3Domain `json:"domain,omitempty"`
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}
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type v3Trust struct {
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Id string `json:"id"`
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}
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type v3User struct {
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Domain *v3Domain `json:"domain,omitempty"`
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Id string `json:"id,omitempty"`
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Name string `json:"name,omitempty"`
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Password string `json:"password,omitempty"`
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}
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type v3AuthToken struct {
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Id string `json:"id"`
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}
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type v3AuthPassword struct {
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User v3User `json:"user"`
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}
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// V3 Authentication response
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type v3AuthResponse struct {
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Token struct {
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Expires_At, Issued_At string
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Methods []string
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Roles []struct {
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Id, Name string
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Links struct {
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Self string
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}
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}
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Project struct {
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Domain struct {
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Id, Name string
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}
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Id, Name string
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}
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Catalog []struct {
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Id, Namem, Type string
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Endpoints []struct {
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Id, Region_Id, Url, Region string
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Interface EndpointType
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}
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}
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User struct {
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Id, Name string
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Domain struct {
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Id, Name string
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Links struct {
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Self string
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}
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}
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}
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Audit_Ids []string
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}
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}
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type v3Auth struct {
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Region string
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Auth *v3AuthResponse
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Headers http.Header
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}
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func (auth *v3Auth) Request(c *Connection) (*http.Request, error) {
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auth.Region = c.Region
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var v3i interface{}
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v3 := v3AuthRequest{}
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if c.UserName == "" {
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v3.Auth.Identity.Methods = []string{v3AuthMethodToken}
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v3.Auth.Identity.Token = &v3AuthToken{Id: c.ApiKey}
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} else {
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v3.Auth.Identity.Methods = []string{v3AuthMethodPassword}
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v3.Auth.Identity.Password = &v3AuthPassword{
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User: v3User{
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Name: c.UserName,
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Password: c.ApiKey,
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},
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}
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var domain *v3Domain
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if c.Domain != "" {
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domain = &v3Domain{Name: c.Domain}
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} else if c.DomainId != "" {
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domain = &v3Domain{Id: c.DomainId}
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}
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v3.Auth.Identity.Password.User.Domain = domain
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}
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if c.TrustId != "" {
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v3.Auth.Scope = &v3Scope{Trust: &v3Trust{Id: c.TrustId}}
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} else if c.TenantId != "" || c.Tenant != "" {
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v3.Auth.Scope = &v3Scope{Project: &v3Project{}}
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if c.TenantId != "" {
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v3.Auth.Scope.Project.Id = c.TenantId
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} else if c.Tenant != "" {
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v3.Auth.Scope.Project.Name = c.Tenant
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switch {
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case c.TenantDomain != "":
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v3.Auth.Scope.Project.Domain = &v3Domain{Name: c.TenantDomain}
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case c.TenantDomainId != "":
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v3.Auth.Scope.Project.Domain = &v3Domain{Id: c.TenantDomainId}
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case c.Domain != "":
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v3.Auth.Scope.Project.Domain = &v3Domain{Name: c.Domain}
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case c.DomainId != "":
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v3.Auth.Scope.Project.Domain = &v3Domain{Id: c.DomainId}
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default:
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v3.Auth.Scope.Project.Domain = &v3Domain{Name: "Default"}
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}
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}
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}
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v3i = v3
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body, err := json.Marshal(v3i)
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if err != nil {
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return nil, err
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}
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url := c.AuthUrl
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if !strings.HasSuffix(url, "/") {
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url += "/"
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}
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url += "auth/tokens"
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req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("User-Agent", c.UserAgent)
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return req, nil
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}
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func (auth *v3Auth) Response(resp *http.Response) error {
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auth.Auth = &v3AuthResponse{}
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auth.Headers = resp.Header
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err := readJson(resp, auth.Auth)
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return err
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}
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func (auth *v3Auth) endpointUrl(Type string, endpointType EndpointType) string {
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for _, catalog := range auth.Auth.Token.Catalog {
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if catalog.Type == Type {
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for _, endpoint := range catalog.Endpoints {
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if endpoint.Interface == endpointType && (auth.Region == "" || (auth.Region == endpoint.Region)) {
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return endpoint.Url
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}
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}
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}
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}
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return ""
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}
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func (auth *v3Auth) StorageUrl(Internal bool) string {
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endpointType := EndpointTypePublic
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if Internal {
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endpointType = EndpointTypeInternal
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}
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return auth.StorageUrlForEndpoint(endpointType)
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}
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func (auth *v3Auth) StorageUrlForEndpoint(endpointType EndpointType) string {
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return auth.endpointUrl("object-store", endpointType)
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}
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func (auth *v3Auth) Token() string {
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return auth.Headers.Get("X-Subject-Token")
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}
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func (auth *v3Auth) CdnUrl() string {
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return ""
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}
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