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mirror of https://github.com/oauth2-proxy/oauth2-proxy.git synced 2025-05-27 23:08:10 +02:00
2022-04-24 19:09:31 +01:00

114 lines
3.5 KiB
Go

package middleware
import (
"context"
"net/http"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
)
type scopeKey string
// RequestScopeKey uses a typed string to reduce likelihood of clashing
// with other context keys
const RequestScopeKey scopeKey = "request-scope"
// RequestScope contains information regarding the request that is being made.
// The RequestScope is used to pass information between different middlewares
// within the chain.
type RequestScope struct {
// Authorization is used to indicate if the requset has been authorized
// by an authorizer earlier in the request chain.
Authorization Authorization
// ReverseProxy tracks whether OAuth2-Proxy is operating in reverse proxy
// mode and if request `X-Forwarded-*` headers should be trusted
ReverseProxy bool
// RequestID is set to the request's `X-Request-Id` header if set.
// Otherwise a random UUID is set.
RequestID string
// Session details the authenticated users information (if it exists).
Session *sessions.SessionState
// SaveSession indicates whether the session storage should attempt to save
// the session or not.
SaveSession bool
// ClearSession indicates whether the user should be logged out or not.
ClearSession bool
// SessionRevalidated indicates whether the session has been revalidated since
// it was loaded or not.
SessionRevalidated bool
// Upstream tracks which upstream was used for this request
Upstream string
}
// Authorization contains information about the Authorization of a particular
// request.
type Authorization struct {
// Type is the type of authorization.
// Valid values are: Request.
Type AuthorizationType
// Policy is the authorization policy to apply to this request
// given the authorization type.
// Valid values are Allow, Delegate, Deny or omitted.
// When omitted the caller should decide how to handle this.
Policy AuthorizationPolicy
// Message is a message set by the authorizer.
// This can contain any information about the authorization decision.
// It may contain success or failure indications.
Message string
}
// AuthorizationType is a type of authorization for the request.
type AuthorizationType string
const (
// RequestAuthorization indicates that the request was authorized
// based on the request based authorization. For example via an allowed route
// or allow IP combination.
RequestAuthorization AuthorizationType = "Request"
)
// AuthorizationPolicy is the policy to apply based on the authorization type.
type AuthorizationPolicy string
const (
// AllowPolicy indicates the request should be allowed.
AllowPolicy AuthorizationPolicy = "Allow"
// DelegatePolicy indicates the authorization should be delegated to a later
// authorizer.
DelegatePolicy AuthorizationPolicy = "Delegate"
// DenyPolicy indicates the request should be denied.
DenyPolicy AuthorizationPolicy = "Deny"
// OmittedPolicy is the default policy. This should not be set explicitly
// but can be used to determine that the authorization has not yet been
// completed.
OmittedPolicy AuthorizationPolicy = ""
)
// GetRequestScope returns the current request scope from the given request
func GetRequestScope(req *http.Request) *RequestScope {
scope := req.Context().Value(RequestScopeKey)
if scope == nil {
return nil
}
return scope.(*RequestScope)
}
// AddRequestScope adds a RequestScope to a request
func AddRequestScope(req *http.Request, scope *RequestScope) *http.Request {
ctx := context.WithValue(req.Context(), RequestScopeKey, scope)
return req.WithContext(ctx)
}