mirror of
https://github.com/netbirdio/netbird.git
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e3d2b6a408
The new functionality allows blocking a user in the Management service. Blocked users lose access to the Dashboard, aren't able to modify the network map, and all of their connected devices disconnect and are set to the "login expired" state. Technically all above was achieved with the updated PUT /api/users endpoint, that was extended with the is_blocked field.
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package middleware
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import (
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"net/http"
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"regexp"
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log "github.com/sirupsen/logrus"
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"github.com/netbirdio/netbird/management/server"
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"github.com/netbirdio/netbird/management/server/http/util"
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"github.com/netbirdio/netbird/management/server/status"
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"github.com/netbirdio/netbird/management/server/jwtclaims"
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)
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// GetUser function defines a function to fetch user from Account by jwtclaims.AuthorizationClaims
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type GetUser func(claims jwtclaims.AuthorizationClaims) (*server.User, error)
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// AccessControl middleware to restrict to make POST/PUT/DELETE requests by admin only
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type AccessControl struct {
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claimsExtract jwtclaims.ClaimsExtractor
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getUser GetUser
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}
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// NewAccessControl instance constructor
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func NewAccessControl(audience, userIDClaim string, getUser GetUser) *AccessControl {
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return &AccessControl{
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claimsExtract: *jwtclaims.NewClaimsExtractor(
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jwtclaims.WithAudience(audience),
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jwtclaims.WithUserIDClaim(userIDClaim),
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),
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getUser: getUser,
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}
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}
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// Handler method of the middleware which forbids all modify requests for non admin users
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// It also adds
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func (a *AccessControl) Handler(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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claims := a.claimsExtract.FromRequestContext(r)
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user, err := a.getUser(claims)
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if err != nil {
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util.WriteError(status.Errorf(status.Unauthorized, "invalid JWT"), w)
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return
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}
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if user.IsBlocked() {
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util.WriteError(status.Errorf(status.PermissionDenied, "the user has no access to the API or is blocked"), w)
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return
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}
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if !user.IsAdmin() {
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switch r.Method {
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case http.MethodDelete, http.MethodPost, http.MethodPatch, http.MethodPut:
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ok, err := regexp.MatchString(`^.*/api/users/.*/tokens.*$`, r.URL.Path)
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if err != nil {
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log.Debugf("regex failed")
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util.WriteError(status.Errorf(status.Internal, ""), w)
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return
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}
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if ok {
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log.Debugf("valid Path")
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h.ServeHTTP(w, r)
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return
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}
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util.WriteError(status.Errorf(status.PermissionDenied, "only admin can perform this operation"), w)
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return
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}
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}
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h.ServeHTTP(w, r)
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})
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}
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