Move to vendor

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/ncw/swift/auth_v3.go

@@ -0,0 +1,220 @@
+package swift
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"strings"
+)
+
+const (
+	v3AuthMethodToken        = "token"
+	v3AuthMethodPassword     = "password"
+	v3InterfacePublic        = "public"
+	v3InterfaceInternal      = "internal"
+	v3InterfaceAdmin         = "admin"
+	v3CatalogTypeObjectStore = "object-store"
+)
+
+// V3 Authentication request
+// http://docs.openstack.org/developer/keystone/api_curl_examples.html
+// http://developer.openstack.org/api-ref-identity-v3.html
+type v3AuthRequest struct {
+	Auth struct {
+		Identity struct {
+			Methods  []string        `json:"methods"`
+			Password *v3AuthPassword `json:"password,omitempty"`
+			Token    *v3AuthToken    `json:"token,omitempty"`
+		} `json:"identity"`
+		Scope *v3Scope `json:"scope,omitempty"`
+	} `json:"auth"`
+}
+
+type v3Scope struct {
+	Project *v3Project `json:"project,omitempty"`
+	Domain  *v3Domain  `json:"domain,omitempty"`
+	Trust   *v3Trust   `json:"OS-TRUST:trust,omitempty"`
+}
+
+type v3Domain struct {
+	Id   string `json:"id,omitempty"`
+	Name string `json:"name,omitempty"`
+}
+
+type v3Project struct {
+	Name   string    `json:"name,omitempty"`
+	Id     string    `json:"id,omitempty"`
+	Domain *v3Domain `json:"domain,omitempty"`
+}
+
+type v3Trust struct {
+	Id string `json:"id"`
+}
+
+type v3User struct {
+	Domain   *v3Domain `json:"domain,omitempty"`
+	Id       string    `json:"id,omitempty"`
+	Name     string    `json:"name,omitempty"`
+	Password string    `json:"password,omitempty"`
+}
+
+type v3AuthToken struct {
+	Id string `json:"id"`
+}
+
+type v3AuthPassword struct {
+	User v3User `json:"user"`
+}
+
+// V3 Authentication response
+type v3AuthResponse struct {
+	Token struct {
+		Expires_At, Issued_At string
+		Methods               []string
+		Roles                 []struct {
+			Id, Name string
+			Links    struct {
+				Self string
+			}
+		}
+
+		Project struct {
+			Domain struct {
+				Id, Name string
+			}
+			Id, Name string
+		}
+
+		Catalog []struct {
+			Id, Namem, Type string
+			Endpoints       []struct {
+				Id, Region_Id, Url, Region, Interface string
+			}
+		}
+
+		User struct {
+			Id, Name string
+			Domain   struct {
+				Id, Name string
+				Links    struct {
+					Self string
+				}
+			}
+		}
+
+		Audit_Ids []string
+	}
+}
+
+type v3Auth struct {
+	Auth    *v3AuthResponse
+	Headers http.Header
+}
+
+func (auth *v3Auth) Request(c *Connection) (*http.Request, error) {
+
+	var v3i interface{}
+
+	v3 := v3AuthRequest{}
+
+	if c.UserName == "" {
+		v3.Auth.Identity.Methods = []string{v3AuthMethodToken}
+		v3.Auth.Identity.Token = &v3AuthToken{Id: c.ApiKey}
+	} else {
+		v3.Auth.Identity.Methods = []string{v3AuthMethodPassword}
+		v3.Auth.Identity.Password = &v3AuthPassword{
+			User: v3User{
+				Name:     c.UserName,
+				Password: c.ApiKey,
+			},
+		}
+
+		var domain *v3Domain
+
+		if c.Domain != "" {
+			domain = &v3Domain{Name: c.Domain}
+		} else if c.DomainId != "" {
+			domain = &v3Domain{Id: c.DomainId}
+		}
+		v3.Auth.Identity.Password.User.Domain = domain
+	}
+
+	if c.TrustId != "" {
+		v3.Auth.Scope = &v3Scope{Trust: &v3Trust{Id: c.TrustId}}
+	} else if c.TenantId != "" || c.Tenant != "" {
+
+		v3.Auth.Scope = &v3Scope{Project: &v3Project{}}
+
+		if c.TenantId != "" {
+			v3.Auth.Scope.Project.Id = c.TenantId
+		} else if c.Tenant != "" {
+			v3.Auth.Scope.Project.Name = c.Tenant
+			var defaultDomain v3Domain
+			if c.Domain != "" {
+				defaultDomain = v3Domain{Name: "Default"}
+			} else if c.DomainId != "" {
+				defaultDomain = v3Domain{Id: "Default"}
+			}
+			v3.Auth.Scope.Project.Domain = &defaultDomain
+		}
+	}
+
+	v3i = v3
+
+	body, err := json.Marshal(v3i)
+
+	if err != nil {
+		return nil, err
+	}
+
+	url := c.AuthUrl
+	if !strings.HasSuffix(url, "/") {
+		url += "/"
+	}
+	url += "auth/tokens"
+	req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("User-Agent", c.UserAgent)
+	return req, nil
+}
+
+func (auth *v3Auth) Response(resp *http.Response) error {
+	auth.Auth = &v3AuthResponse{}
+	auth.Headers = resp.Header
+	err := readJson(resp, auth.Auth)
+	return err
+}
+
+func (auth *v3Auth) endpointUrl(Type string, Internal bool) string {
+	for _, catalog := range auth.Auth.Token.Catalog {
+		if catalog.Type == Type {
+			for _, endpoint := range catalog.Endpoints {
+				if Internal {
+					if endpoint.Interface == v3InterfaceInternal {
+						return endpoint.Url
+					}
+				} else {
+					if endpoint.Interface == v3InterfacePublic {
+						return endpoint.Url
+					}
+				}
+			}
+		}
+	}
+	return ""
+}
+
+func (auth *v3Auth) StorageUrl(Internal bool) string {
+	return auth.endpointUrl(v3CatalogTypeObjectStore, Internal)
+}
+
+func (auth *v3Auth) Token() string {
+	return auth.Headers.Get("X-Subject-Token")
+}
+
+func (auth *v3Auth) CdnUrl() string {
+	return ""
+}