mirror of
https://github.com/grafana/grafana.git
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5a2cba7b01
* forward HTTP headers to plugin streaming calls * fixup * fix test based on feedback * improve test assertions
100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package clientmiddleware
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import (
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"context"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana/pkg/services/contexthandler"
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)
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// NewClearAuthHeadersMiddleware creates a new backend.HandlerMiddleware
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// that will clear any outgoing HTTP headers that was part of the incoming
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// HTTP request and used when authenticating to Grafana.
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func NewClearAuthHeadersMiddleware() backend.HandlerMiddleware {
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return backend.HandlerMiddlewareFunc(func(next backend.Handler) backend.Handler {
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return &ClearAuthHeadersMiddleware{
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BaseHandler: backend.NewBaseHandler(next),
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}
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})
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}
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type ClearAuthHeadersMiddleware struct {
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backend.BaseHandler
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}
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func (m *ClearAuthHeadersMiddleware) clearHeaders(ctx context.Context, h backend.ForwardHTTPHeaders) {
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reqCtx := contexthandler.FromContext(ctx)
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// if no HTTP request context skip middleware
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if h == nil || reqCtx == nil || reqCtx.Req == nil || reqCtx.SignedInUser == nil {
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return
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}
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list := contexthandler.AuthHTTPHeaderListFromContext(ctx)
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if list != nil {
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for _, k := range list.Items {
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h.DeleteHTTPHeader(k)
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}
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}
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}
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func (m *ClearAuthHeadersMiddleware) QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.QueryDataResponse, error) {
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if req == nil {
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return m.BaseHandler.QueryData(ctx, req)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.QueryData(ctx, req)
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}
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func (m *ClearAuthHeadersMiddleware) CallResource(ctx context.Context, req *backend.CallResourceRequest, sender backend.CallResourceResponseSender) error {
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if req == nil {
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return m.BaseHandler.CallResource(ctx, req, sender)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.CallResource(ctx, req, sender)
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}
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func (m *ClearAuthHeadersMiddleware) CheckHealth(ctx context.Context, req *backend.CheckHealthRequest) (*backend.CheckHealthResult, error) {
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if req == nil {
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return m.BaseHandler.CheckHealth(ctx, req)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.CheckHealth(ctx, req)
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}
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func (m *ClearAuthHeadersMiddleware) SubscribeStream(ctx context.Context, req *backend.SubscribeStreamRequest) (*backend.SubscribeStreamResponse, error) {
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if req == nil {
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return m.BaseHandler.SubscribeStream(ctx, req)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.SubscribeStream(ctx, req)
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}
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func (m *ClearAuthHeadersMiddleware) PublishStream(ctx context.Context, req *backend.PublishStreamRequest) (*backend.PublishStreamResponse, error) {
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if req == nil {
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return m.BaseHandler.PublishStream(ctx, req)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.PublishStream(ctx, req)
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}
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func (m *ClearAuthHeadersMiddleware) RunStream(ctx context.Context, req *backend.RunStreamRequest, sender *backend.StreamSender) error {
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if req == nil {
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return m.BaseHandler.RunStream(ctx, req, sender)
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}
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m.clearHeaders(ctx, req)
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return m.BaseHandler.RunStream(ctx, req, sender)
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}
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