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Merge pull request #32 from StephanHCB/roundtripper
Roundtripper implementationw
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package aurestcapture | ||
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| import ( | ||
| "fmt" | ||
| aurestclientapi "github.com/StephanHCB/go-autumn-restclient/api" | ||
| "io" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
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| func NewRoundTripper(wrapped aurestclientapi.Client) http.RoundTripper { | ||
| return &RequestCaptureImpl{Wrapped: wrapped} | ||
| } | ||
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| func (c *RequestCaptureImpl) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| requestStr := fmt.Sprintf("%s %s %v", req.Method, req.URL.String(), req.Body) | ||
| c.recording = append(c.recording, requestStr) | ||
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| var bodyDto *[]byte | ||
| parsedResponse := aurestclientapi.ParsedResponse{ | ||
| Body: &bodyDto, | ||
| } | ||
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| err := c.Wrapped.Perform(req.Context(), req.Method, req.URL.String(), req.Body, &parsedResponse) | ||
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| newReader := strings.NewReader(string(**(parsedResponse.Body.(**[]byte)))) | ||
| readCloser := io.NopCloser(newReader) | ||
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| return &http.Response{ | ||
| Status: "", | ||
| StatusCode: parsedResponse.Status, | ||
| Proto: "", | ||
| ProtoMajor: 0, | ||
| ProtoMinor: 0, | ||
| Header: parsedResponse.Header, | ||
| Body: readCloser, | ||
| ContentLength: 0, | ||
| TransferEncoding: nil, | ||
| Close: false, | ||
| Uncompressed: false, | ||
| Trailer: nil, | ||
| Request: nil, | ||
| TLS: nil, | ||
| }, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package auresthttpclient | ||
|
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| import ( | ||
| aurestclientapi "github.com/StephanHCB/go-autumn-restclient/api" | ||
| "net/http" | ||
| "time" | ||
| ) | ||
|
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| type AuRestHttpClient struct { | ||
| *http.Client | ||
|
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| // Now is exposed so tests can fixate the time by overwriting this field | ||
| Now func() time.Time | ||
| } | ||
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| func NewHttpClient(timeout time.Duration, customCACert []byte, | ||
| requestManipulator aurestclientapi.RequestManipulatorCallback, customHttpTransport *http.RoundTripper) (*AuRestHttpClient, error) { | ||
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| var httpTransport http.RoundTripper | ||
| if customHttpTransport == nil { | ||
| httpTransport = &HttpClientRoundTripper{ | ||
| wrapped: createHttpTransport(customCACert), | ||
| RequestManipulator: requestManipulator, | ||
| RequestMetricsCallback: doNothingMetricsCallback, | ||
| ResponseMetricsCallback: doNothingMetricsCallback, | ||
| } | ||
| } else { | ||
| httpTransport = *customHttpTransport | ||
| } | ||
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| return &AuRestHttpClient{ | ||
| Client: &http.Client{ | ||
| Transport: httpTransport, | ||
| Timeout: timeout, | ||
| }, | ||
| Now: time.Now, | ||
| }, nil | ||
| } | ||
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| type HttpClientRoundTripper struct { | ||
| wrapped http.RoundTripper | ||
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| RequestManipulator aurestclientapi.RequestManipulatorCallback | ||
| RequestMetricsCallback aurestclientapi.MetricsCallbackFunction | ||
| ResponseMetricsCallback aurestclientapi.MetricsCallbackFunction | ||
| } | ||
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| func (c *HttpClientRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| if c.RequestManipulator != nil { | ||
| c.RequestManipulator(req.Context(), req) | ||
| } | ||
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| c.RequestMetricsCallback(req.Context(), req.Method, req.URL.String(), 0, nil, 0, int(req.ContentLength)) | ||
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| response, err := c.wrapped.RoundTrip(req) | ||
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| c.ResponseMetricsCallback(req.Context(), req.Method, req.URL.String(), 0, nil, 0, int(req.ContentLength)) | ||
|
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| return response, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package aurestrecorder | ||
|
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| import ( | ||
| "bytes" | ||
| aurestclientapi "github.com/StephanHCB/go-autumn-restclient/api" | ||
| "io" | ||
| "net/http" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
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| type RecorderRoundTripper struct { | ||
| wrapped http.RoundTripper | ||
| recorderPath string | ||
| constructFilenameFunc ConstructFilenameFunction | ||
| } | ||
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| func NewRecorderRoundTripper(wrapped http.RoundTripper, additionalOptions ...RecorderOptions) *RecorderRoundTripper { | ||
| recorderPath, filenameFunc := initRecorderPathAndFilenameFunc(additionalOptions) | ||
| return &RecorderRoundTripper{ | ||
| wrapped: wrapped, | ||
| recorderPath: recorderPath, | ||
| constructFilenameFunc: filenameFunc, | ||
| } | ||
| } | ||
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| func (c *RecorderRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| response, err := c.wrapped.RoundTrip(req) | ||
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| if response != nil && c.recorderPath != "" { | ||
| parsedResponse := aurestclientapi.ParsedResponse{ | ||
| Body: string(readBodyAndReset(response)), | ||
| Status: response.StatusCode, | ||
| Header: response.Header, | ||
| Time: time.Now(), | ||
| } | ||
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| var requestBodyString string | ||
| var requestBody io.ReadCloser | ||
| if req.Body != nil { | ||
| requestBody, _ = req.GetBody() | ||
| requestBodyString = readBody(requestBody) | ||
| } | ||
| recordResponseData(req.Method, req.URL.String(), requestBodyString, &parsedResponse, err, c.recorderPath, c.constructFilenameFunc) | ||
| } | ||
| return response, err | ||
| } | ||
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| func readBodyAndReset(res *http.Response) []byte { | ||
| bodyBytes, _ := io.ReadAll(res.Body) | ||
| //reset the response body to the original unread state | ||
| res.Body = io.NopCloser(bytes.NewBuffer(bodyBytes)) | ||
| return bodyBytes | ||
| } | ||
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| func readBody(requestBody io.ReadCloser) string { | ||
| if requestBody != nil { | ||
| buf := new(strings.Builder) | ||
| _, _ = io.Copy(buf, requestBody) | ||
| return buf.String() | ||
| } | ||
| return "" | ||
| } |
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