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Alex Palesandro
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Nov 9, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package config | ||
|
|
||
| type HookType string | ||
|
|
||
| const ( | ||
| External HookType = "external" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| //go:generate go run -mod mod go.uber.org/mock/mockgen -destination=./mocks/mock_caller.go -package=connectors --source=types.go FilterCaller | ||
| package connectors | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
|
|
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| "github.com/dexidp/dex/pkg/webhook/config" | ||
| "github.com/dexidp/dex/pkg/webhook/helpers" | ||
| "github.com/dexidp/dex/storage" | ||
| ) | ||
|
|
||
| func NewConnectorFilter(hook *config.ConnectorFilterHook) (*ConnectorFilterHook, error) { | ||
| var hookInvoker FilterCaller | ||
| switch hook.Type { | ||
| case config.External: | ||
| h, err := helpers.NewWebhookHTTPHelpers(hook.Config) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not create webhook http helpers: %w", err) | ||
| } | ||
| hookInvoker = NewFilterCaller(h, hook.RequestScope) | ||
| default: | ||
| return nil, fmt.Errorf("unknown type: %s", hook.Type) | ||
| } | ||
| return &ConnectorFilterHook{ | ||
| Name: hook.Name, | ||
| FilterInvoker: hookInvoker, | ||
| }, nil | ||
| } | ||
|
|
||
| func (f WebhookFilterCaller) callHook(connectors []ConnectorContext, req RequestContext) ([]ConnectorContext, error) { | ||
| toMarshal := FilterWebhookPayload{ | ||
| Connectors: connectors, | ||
| Request: req, | ||
| } | ||
|
|
||
| payload, err := json.Marshal(toMarshal) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not serialize claims: %w", err) | ||
| } | ||
|
|
||
| body, err := f.transportHelper.CallWebhook(payload) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not call webhook: %w", err) | ||
| } | ||
| var res []ConnectorContext | ||
|
|
||
| if err := json.Unmarshal(body, &res); err != nil { | ||
| return nil, fmt.Errorf("could not unmarshal response: %w", err) | ||
| } | ||
|
|
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| return res, nil | ||
| } | ||
|
|
||
| func NewFilterCaller(h helpers.WebhookHTTPHelpers, | ||
| context *config.HookRequestScope, | ||
| ) *WebhookFilterCaller { | ||
| return &WebhookFilterCaller{ | ||
| RequestScope: context, | ||
| transportHelper: h, | ||
| } | ||
| } | ||
|
|
||
| func (f WebhookFilterCaller) CallHook(connectors []storage.Connector, | ||
| r *http.Request, | ||
| ) ([]storage.Connector, error) { | ||
| payload := createConnectorWebhookPayload(f.RequestScope, connectors, r) | ||
| filteredConnectors, err := f.callHook(payload.Connectors, payload.Request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return unwrapConnectorWebhookPayload(filteredConnectors, connectors), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package connectors | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "go.uber.org/mock/gomock" | ||
|
|
||
| "github.com/dexidp/dex/pkg/webhook/config" | ||
| "github.com/dexidp/dex/pkg/webhook/helpers" | ||
| "github.com/dexidp/dex/storage" | ||
| ) | ||
|
|
||
| func TestNewConnectorFilter(t *testing.T) { | ||
| d, err := NewConnectorFilter(&config.ConnectorFilterHook{ | ||
| Name: "test", | ||
| Type: config.External, | ||
| RequestScope: &config.HookRequestScope{ | ||
| Headers: []string{"header1", "header2"}, | ||
| Params: []string{"param1", "param2"}, | ||
| }, | ||
| Config: &config.WebhookConfig{ | ||
| URL: "http://test.com", | ||
| InsecureSkipVerify: true, | ||
| }, | ||
| }) | ||
| assert.NoError(t, err) | ||
| assert.NotNil(t, d) | ||
| assert.Equal(t, d.Name, "test") | ||
| assert.IsType(t, d.FilterInvoker, &WebhookFilterCaller{}) | ||
| } | ||
|
|
||
| func TestNewConnectorFilter_UnknownType(t *testing.T) { | ||
| d, err := NewConnectorFilter(&config.ConnectorFilterHook{ | ||
| Name: "test", | ||
| Type: "unknown", | ||
| RequestScope: &config.HookRequestScope{ | ||
| Headers: []string{"header1", "header2"}, | ||
| Params: []string{"param1", "param2"}, | ||
| }, | ||
| Config: &config.WebhookConfig{ | ||
| URL: "http://test.com", | ||
| InsecureSkipVerify: true, | ||
| }, | ||
| }) | ||
| assert.Error(t, err) | ||
| assert.Nil(t, d) | ||
| } | ||
|
|
||
| func TestNewFilterCaller(t *testing.T) { | ||
| h, err := helpers.NewWebhookHTTPHelpers(&config.WebhookConfig{ | ||
| URL: "http://test.com", | ||
| InsecureSkipVerify: true, | ||
| }) | ||
| assert.NoError(t, err) | ||
| d := NewFilterCaller(h, &config.HookRequestScope{ | ||
| Headers: []string{"header1", "header2"}, | ||
| Params: []string{"param1", "param2"}, | ||
| }) | ||
| assert.NotNil(t, d) | ||
| assert.Equal(t, h, d.transportHelper) | ||
| assert.Equal(t, d.RequestScope.Headers, []string{"header1", "header2"}) | ||
| assert.Equal(t, d.RequestScope.Params, []string{"param1", "param2"}) | ||
| } | ||
|
|
||
| func TestCallHook_Logic(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
| h := helpers.NewMockWebhookHTTPHelpers(ctrl) | ||
| h.EXPECT().CallWebhook(gomock.Any()).Return([]byte(`[{"id": "test", "type": "test", "name": "test"}]`), nil) | ||
| d := NewFilterCaller(h, &config.HookRequestScope{ | ||
| Headers: []string{"header1", "header2"}, | ||
| Params: []string{"param1", "param2"}, | ||
| }) | ||
| connectorList, err := d.CallHook([]storage.Connector{ | ||
| { | ||
| ID: "test", | ||
| Type: "test", | ||
| Name: "test", | ||
| }, | ||
| }, &http.Request{}) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, connectorList, []storage.Connector{ | ||
| { | ||
| ID: "test", | ||
| Type: "test", | ||
| Name: "test", | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| func TestCallHook_Logic_Error(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
| h := helpers.NewMockWebhookHTTPHelpers(ctrl) | ||
| h.EXPECT().CallWebhook(gomock.Any()).Return(nil, assert.AnError) | ||
| d := NewFilterCaller(h, &config.HookRequestScope{ | ||
| Headers: []string{"header1", "header2"}, | ||
| Params: []string{"param1", "param2"}, | ||
| }) | ||
| connectorList, err := d.CallHook([]storage.Connector{ | ||
| { | ||
| ID: "test", | ||
| Type: "test", | ||
| Name: "test", | ||
| }, | ||
| }, &http.Request{}) | ||
| assert.Error(t, err) | ||
| assert.Nil(t, connectorList) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package connectors | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
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| "golang.org/x/exp/slices" | ||
|
|
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| "github.com/dexidp/dex/pkg/webhook/config" | ||
| "github.com/dexidp/dex/storage" | ||
| ) | ||
|
|
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| func createConnectorWebhookPayload(requestScope *config.HookRequestScope, connectors []storage.Connector, | ||
| r *http.Request, | ||
| ) *FilterWebhookPayload { | ||
| payload := &FilterWebhookPayload{ | ||
| Connectors: []ConnectorContext{}, | ||
| Request: RequestContext{}, | ||
| } | ||
| for _, c := range connectors { | ||
| payload.Connectors = append(payload.Connectors, ConnectorContext{ | ||
| ID: c.ID, | ||
| Type: c.Type, | ||
| Name: c.Name, | ||
| }) | ||
| } | ||
| payload.Request.Params = make(map[string][]string) | ||
| if r != nil && r.URL != nil { | ||
| for k, v := range r.URL.Query() { | ||
| if slices.Contains(requestScope.Params, k) { | ||
| payload.Request.Params[k] = v | ||
| } | ||
| } | ||
| } | ||
| payload.Request.Headers = make(map[string][]string) | ||
| for k, v := range r.Header { | ||
| if slices.Contains(requestScope.Headers, k) { | ||
| payload.Request.Headers[k] = v | ||
| } | ||
| } | ||
| return payload | ||
| } | ||
|
|
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| func unwrapConnectorWebhookPayload(filteredConnectors []ConnectorContext, | ||
| initialConnectors []storage.Connector, | ||
| ) []storage.Connector { | ||
| mappedConnectors := make([]storage.Connector, 0) | ||
| for _, filteredConnector := range filteredConnectors { | ||
| for _, initialConnector := range initialConnectors { | ||
| if filteredConnector.ID == initialConnector.ID { | ||
| mappedConnectors = append(mappedConnectors, initialConnector) | ||
| } | ||
| } | ||
| } | ||
| return mappedConnectors | ||
| } |
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