mirror of https://github.com/portainer/portainer
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
package agent
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import (
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"net/http"
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portainer "github.com/portainer/portainer/api"
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)
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type (
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// Transport is an http.Transport wrapper that adds custom http headers to communicate to an Agent
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Transport struct {
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httpTransport *http.Transport
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signatureService portainer.DigitalSignatureService
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endpointIdentifier portainer.EndpointID
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}
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)
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// NewTransport returns a new transport that can be used to send signed requests to a Portainer agent
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func NewTransport(signatureService portainer.DigitalSignatureService, httpTransport *http.Transport) *Transport {
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transport := &Transport{
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httpTransport: httpTransport,
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signatureService: signatureService,
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}
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return transport
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}
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// RoundTrip is the implementation of the the http.RoundTripper interface
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func (transport *Transport) RoundTrip(request *http.Request) (*http.Response, error) {
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signature, err := transport.signatureService.CreateSignature(portainer.PortainerAgentSignatureMessage)
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if err != nil {
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return nil, err
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}
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request.Header.Set(portainer.PortainerAgentPublicKeyHeader, transport.signatureService.EncodedPublicKey())
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request.Header.Set(portainer.PortainerAgentSignatureHeader, signature)
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return transport.httpTransport.RoundTrip(request)
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}
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