func (sc *ServerContext) applySyncFunction(dbcontext *db.DatabaseContext, syncFn string) error {
changed, err := dbcontext.UpdateSyncFun(syncFn)
if err != nil || !changed {
return err
}
// Sync function has changed:
base.Logf("**NOTE:** %q's sync function has changed. The new function may assign different channels to documents, or permissions to users. You may want to re-sync the database to update these.", dbcontext.Name)
return nil
}
func (sc *ServerContext) installPrincipals(context *db.DatabaseContext, spec map[string]*db.PrincipalConfig, what string) error {
for name, princ := range spec {
isGuest := name == base.GuestUsername
if isGuest {
internalName := ""
princ.Name = &internalName
} else {
princ.Name = &name
}
_, err := context.UpdatePrincipal(*princ, (what == "user"), isGuest)
if err != nil {
// A conflict error just means updatePrincipal didn't overwrite an existing user.
if status, _ := base.ErrorAsHTTPStatus(err); status != http.StatusConflict {
return fmt.Errorf("Couldn't create %s %q: %v", what, name, err)
}
} else if isGuest {
base.Log(" Reset guest user to config")
} else {
base.Logf(" Created %s %q", what, name)
}
}
return nil
}
func (sc *ServerContext) startShadowing(dbcontext *db.DatabaseContext, shadow *ShadowConfig) error {
base.Warn("Bucket Shadowing feature comes with a number of limitations and caveats. See https://github.com/couchbase/sync_gateway/issues/1363 for more details.")
var pattern *regexp.Regexp
if shadow.Doc_id_regex != nil {
var err error
pattern, err = regexp.Compile(*shadow.Doc_id_regex)
if err != nil {
base.Warn("Invalid shadow doc_id_regex: %s", *shadow.Doc_id_regex)
return err
}
}
spec := base.BucketSpec{
Server: *shadow.Server,
PoolName: "default",
BucketName: *shadow.Bucket,
FeedType: shadow.FeedType,
}
if shadow.Pool != nil {
spec.PoolName = *shadow.Pool
}
if shadow.Username != "" {
spec.Auth = shadow
}
bucket, err := base.GetBucket(spec, nil)
if err != nil {
err = base.HTTPErrorf(http.StatusBadGateway,
"Unable to connect to shadow bucket: %s", err)
return err
}
shadower, err := db.NewShadower(dbcontext, bucket, pattern)
if err != nil {
bucket.Close()
return err
}
dbcontext.Shadower = shadower
//Remove credentials from server URL before logging
url, err := couchbase.ParseURL(spec.Server)
if err == nil {
base.Logf("Database %q shadowing remote bucket %q, pool %q, server <%s:%s/%s>", dbcontext.Name, spec.BucketName, spec.PoolName, url.Scheme, url.Host, url.Path)
}
return nil
}
func (sc *ServerContext) startShadowing(dbcontext *db.DatabaseContext, shadow *ShadowConfig) error {
var pattern *regexp.Regexp
if shadow.Doc_id_regex != nil {
var err error
pattern, err = regexp.Compile(*shadow.Doc_id_regex)
if err != nil {
base.Warn("Invalid shadow doc_id_regex: %s", *shadow.Doc_id_regex)
return err
}
}
spec := base.BucketSpec{
Server: *shadow.Server,
PoolName: "default",
BucketName: shadow.Bucket,
FeedType: shadow.FeedType,
}
if shadow.Pool != nil {
spec.PoolName = *shadow.Pool
}
if shadow.Username != "" {
spec.Auth = shadow
}
bucket, err := db.ConnectToBucket(spec)
if err != nil {
return err
}
shadower, err := db.NewShadower(dbcontext, bucket, pattern)
if err != nil {
bucket.Close()
return err
}
dbcontext.Shadower = shadower
//Remove credentials from server URL before logging
url, err := couchbase.ParseURL(spec.Server)
if err == nil {
base.Logf("Database %q shadowing remote bucket %q, pool %q, server <%s:%s/%s>", dbcontext.Name, spec.BucketName, spec.PoolName, url.Scheme, url.Host, url.Path)
}
return nil
}
func (h *handler) checkAuth(context *db.DatabaseContext) error {
h.user = nil
if context == nil {
return nil
}
// Check basic auth first
if userName, password := h.getBasicAuth(); userName != "" {
h.user = context.Authenticator().AuthenticateUser(userName, password)
if h.user == nil {
base.Logf("HTTP auth failed for username=%q", userName)
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return base.HTTPErrorf(http.StatusUnauthorized, "Invalid login")
}
return nil
}
// Check cookie
var err error
h.user, err = context.Authenticator().AuthenticateCookie(h.rq, h.response)
if err != nil {
return err
} else if h.user != nil {
return nil
}
// No auth given -- check guest access
if h.user, err = context.Authenticator().GetUser(""); err != nil {
return err
}
if h.privs == regularPrivs && h.user.Disabled() {
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return base.HTTPErrorf(http.StatusUnauthorized, "Login required")
}
return nil
}
func (h *handler) checkAuth(context *db.DatabaseContext) error {
h.user = nil
if context == nil {
return nil
}
var err error
// If oidc enabled, check for bearer ID token
if context.Options.OIDCOptions != nil {
if token := h.getBearerToken(); token != "" {
h.user, _, err = context.Authenticator().AuthenticateUntrustedJWT(token, context.OIDCProviders, h.getOIDCCallbackURL)
if h.user == nil || err != nil {
return base.HTTPErrorf(http.StatusUnauthorized, "Invalid login")
}
return nil
}
/*
* If unsupported/oidc testing is enabled
* and this is a call on the token endpoint
* and the username and password match those in the oidc default provider config
* then authorize this request
*/
if unsupportedOptions := context.Options.UnsupportedOptions; unsupportedOptions != nil {
if unsupportedOptions.OidcTestProvider.Enabled && strings.HasSuffix(h.rq.URL.Path, "/_oidc_testing/token") {
if username, password := h.getBasicAuth(); username != "" && password != "" {
provider := context.Options.OIDCOptions.Providers.GetProviderForIssuer(issuerUrlForDB(h, context.Name), testProviderAudiences)
if provider != nil && provider.ClientID != nil && provider.ValidationKey != nil {
if *provider.ClientID == username && *provider.ValidationKey == password {
return nil
}
}
}
}
}
}
// Check basic auth first
if userName, password := h.getBasicAuth(); userName != "" {
h.user = context.Authenticator().AuthenticateUser(userName, password)
if h.user == nil {
base.Logf("HTTP auth failed for username=%q", userName)
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return base.HTTPErrorf(http.StatusUnauthorized, "Invalid login")
}
return nil
}
// Check cookie
h.user, err = context.Authenticator().AuthenticateCookie(h.rq, h.response)
if err != nil {
return err
} else if h.user != nil {
return nil
}
// No auth given -- check guest access
if h.user, err = context.Authenticator().GetUser(""); err != nil {
return err
}
if h.privs == regularPrivs && h.user.Disabled() {
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return base.HTTPErrorf(http.StatusUnauthorized, "Login required")
}
return nil
}