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9e7d570c79
We're using the file id from the access token, so changing the file id in the URL shouldn't matter. However, the file id must represent a single file. It will also help to detect unwanted changes in the URL.
41 lines
1.4 KiB
Go
41 lines
1.4 KiB
Go
package helpers
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import (
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"crypto/sha256"
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"encoding/hex"
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gatewayv1beta1 "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
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providerv1beta1 "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
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"github.com/cs3org/reva/v2/pkg/rgrpc/todo/pool"
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"github.com/cs3org/reva/v2/pkg/storagespace"
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"github.com/owncloud/ocis/v2/services/collaboration/pkg/config"
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)
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var commonCS3ApiClient gatewayv1beta1.GatewayAPIClient
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// GatewayAPIClient gets an instance based on the provided configuration.
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// The instance will be cached and returned if possible, unless the "forceNew"
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// parameter is set to true. In this case, the old instance will be replaced
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// with the new one if there is no error.
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func GetCS3apiClient(cfg *config.Config, forceNew bool) (gatewayv1beta1.GatewayAPIClient, error) {
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// establish a connection to the cs3 api endpoint
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// in this case a REVA gateway, started by oCIS
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if commonCS3ApiClient != nil && !forceNew {
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return commonCS3ApiClient, nil
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}
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client, err := pool.GetGatewayServiceClient(cfg.CS3Api.Gateway.Name)
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if err == nil {
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commonCS3ApiClient = client
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}
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return client, err
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}
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// HashResourceId builds a urlsafe and stable file reference that can be used for proxy routing,
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// so that all sessions on one file end on the same office server
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func HashResourceId(resourceId *providerv1beta1.ResourceId) string {
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c := sha256.New()
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c.Write([]byte(storagespace.FormatResourceID(resourceId)))
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return hex.EncodeToString(c.Sum(nil))
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}
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