mirror of
https://github.com/hoernschen/dendrite.git
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47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package auth
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import "github.com/matrix-org/gomatrixserverlib"
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// IsServerAllowed returns true if there exists a event in authEvents
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// which allows server to view this event. That is true when a client on the server
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// can view the event. Otherwise returns false.
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func IsServerAllowed(
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serverName gomatrixserverlib.ServerName,
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authEvents []gomatrixserverlib.Event,
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) bool {
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for _, ev := range authEvents {
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membership, err := ev.Membership()
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if err != nil || membership != gomatrixserverlib.Join {
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continue
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}
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stateKey := ev.StateKey()
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if stateKey == nil {
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continue
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}
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_, domain, err := gomatrixserverlib.SplitID('@', *stateKey)
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if err != nil {
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continue
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}
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if domain == serverName {
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return true
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}
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}
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// TODO: Check if history visibility is shared and if the server is currently in the room
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return false
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}
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