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Jamie Tanna
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| // ServerInterface represents all server handlers. | ||
| type ServerInterface interface { | ||
| {{range .}}{{.SummaryAsComment }} | ||
| // ({{.Method}} {{.Path}}) | ||
| {{.OperationId}}(w http.ResponseWriter, r *http.Request{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}}) | ||
| {{end}} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| // ServerInterfaceWrapper converts contexts to parameters. | ||
| type ServerInterfaceWrapper struct { | ||
| Handler ServerInterface | ||
| HandlerMiddlewares []MiddlewareFunc | ||
| ErrorHandlerFunc func(w http.ResponseWriter, r *http.Request, err error) | ||
| } | ||
|
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| type MiddlewareFunc func(http.HandlerFunc) http.HandlerFunc | ||
|
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| {{range .}}{{$opid := .OperationId}} | ||
|
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| // {{$opid}} operation middleware | ||
| func (siw *ServerInterfaceWrapper) {{$opid}}(w http.ResponseWriter, r *http.Request) { | ||
| ctx := r.Context() | ||
| {{if or .RequiresParamObject (gt (len .PathParams) 0) }} | ||
| var err error | ||
| {{end}} | ||
|
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||
| {{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" ------------- | ||
| var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}} | ||
|
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||
| {{if .IsPassThrough}} | ||
| {{$varName}} = mux.Vars(r)["{{.ParamName}}"] | ||
| {{end}} | ||
| {{if .IsJson}} | ||
| err = json.Unmarshal([]byte(mux.Vars(r)["{{.ParamName}}"]), &{{$varName}}) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &UnmarshalingParamError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| {{end}} | ||
| {{if .IsStyled}} | ||
| err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", mux.Vars(r)["{{.ParamName}}"], &{{$varName}}) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &InvalidParamFormatError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| {{end}} | ||
|
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||
| {{end}} | ||
|
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| {{range .SecurityDefinitions}} | ||
| ctx = context.WithValue(ctx, {{.ProviderName | ucFirst}}Scopes, {{toStringArray .Scopes}}) | ||
| {{end}} | ||
|
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| {{if .RequiresParamObject}} | ||
| // Parameter object where we will unmarshal all parameters from the context | ||
| var params {{.OperationId}}Params | ||
|
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| {{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" ------------- | ||
| if paramValue := r.URL.Query().Get("{{.ParamName}}"); paramValue != "" { | ||
|
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| {{if .IsPassThrough}} | ||
| params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue | ||
| {{end}} | ||
|
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||
| {{if .IsJson}} | ||
| var value {{.TypeDef}} | ||
| err = json.Unmarshal([]byte(paramValue), &value) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &UnmarshalingParamError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
|
|
||
| params.{{.GoName}} = {{if not .Required}}&{{end}}value | ||
| {{end}} | ||
| }{{if .Required}} else { | ||
| siw.ErrorHandlerFunc(w, r, &RequiredParamError{ParamName: "{{.ParamName}}"}) | ||
| return | ||
| }{{end}} | ||
| {{if .IsStyled}} | ||
| err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", r.URL.Query(), ¶ms.{{.GoName}}) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &InvalidParamFormatError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| {{end}} | ||
| {{end}} | ||
|
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||
| {{if .HeaderParams}} | ||
| headers := r.Header | ||
|
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||
| {{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" ------------- | ||
| if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found { | ||
| var {{.GoName}} {{.TypeDef}} | ||
| n := len(valueList) | ||
| if n != 1 { | ||
| siw.ErrorHandlerFunc(w, r, &TooManyValuesForParamError{ParamName: "{{.ParamName}}", Count: n}) | ||
| return | ||
| } | ||
|
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||
| {{if .IsPassThrough}} | ||
| params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0] | ||
| {{end}} | ||
|
|
||
| {{if .IsJson}} | ||
| err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}}) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &UnmarshalingParamError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| {{end}} | ||
|
|
||
| {{if .IsStyled}} | ||
| err = runtime.BindStyledParameterWithLocation("{{.Style}}",{{.Explode}}, "{{.ParamName}}", runtime.ParamLocationHeader, valueList[0], &{{.GoName}}) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &InvalidParamFormatError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| {{end}} | ||
|
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||
| params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}} | ||
|
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| } {{if .Required}}else { | ||
| err := fmt.Errorf("Header parameter {{.ParamName}} is required, but not found") | ||
| siw.ErrorHandlerFunc(w, r, &RequiredHeaderError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| }{{end}} | ||
|
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||
| {{end}} | ||
| {{end}} | ||
|
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| {{range .CookieParams}} | ||
| var cookie *http.Cookie | ||
|
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||
| if cookie, err = r.Cookie("{{.ParamName}}"); err == nil { | ||
|
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| {{- if .IsPassThrough}} | ||
| params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value | ||
| {{end}} | ||
|
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||
| {{- if .IsJson}} | ||
| var value {{.TypeDef}} | ||
| var decoded string | ||
| decoded, err := url.QueryUnescape(cookie.Value) | ||
| if err != nil { | ||
| err = fmt.Errorf("Error unescaping cookie parameter '{{.ParamName}}'") | ||
| siw.ErrorHandlerFunc(w, r, &UnescapedCookieParamError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
|
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| err = json.Unmarshal([]byte(decoded), &value) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &UnmarshalingParamError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
|
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||
| params.{{.GoName}} = {{if not .Required}}&{{end}}value | ||
| {{end}} | ||
|
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||
| {{- if .IsStyled}} | ||
| var value {{.TypeDef}} | ||
| err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value) | ||
| if err != nil { | ||
| siw.ErrorHandlerFunc(w, r, &InvalidParamFormatError{ParamName: "{{.ParamName}}", Err: err}) | ||
| return | ||
| } | ||
| params.{{.GoName}} = {{if not .Required}}&{{end}}value | ||
| {{end}} | ||
|
|
||
| } | ||
|
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| {{- if .Required}} else { | ||
| siw.ErrorHandlerFunc(w, r, &RequiredParamError{ParamName: "{{.ParamName}}"}) | ||
| return | ||
| } | ||
| {{- end}} | ||
| {{end}} | ||
| {{end}} | ||
|
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||
| var handler = func(w http.ResponseWriter, r *http.Request) { | ||
| siw.Handler.{{.OperationId}}(w, r{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}}) | ||
| } | ||
|
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||
| for _, middleware := range siw.HandlerMiddlewares { | ||
| handler = middleware(handler) | ||
| } | ||
|
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| handler(w, r.WithContext(ctx)) | ||
| } | ||
| {{end}} | ||
|
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||
| type UnescapedCookieParamError struct { | ||
| ParamName string | ||
| Err error | ||
| } | ||
|
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||
| func (e *UnescapedCookieParamError) Error() string { | ||
| return fmt.Sprintf("error unescaping cookie parameter '%s'", e.ParamName) | ||
| } | ||
|
|
||
| func (e *UnescapedCookieParamError) Unwrap() error { | ||
| return e.Err | ||
| } | ||
|
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| type UnmarshalingParamError struct { | ||
| ParamName string | ||
| Err error | ||
| } | ||
|
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| func (e *UnmarshalingParamError) Error() string { | ||
| return fmt.Sprintf("Error unmarshaling parameter %s as JSON: %s", e.ParamName, e.Err.Error()) | ||
| } | ||
|
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| func (e *UnmarshalingParamError) Unwrap() error { | ||
| return e.Err | ||
| } | ||
|
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| type RequiredParamError struct { | ||
| ParamName string | ||
| } | ||
|
|
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| func (e *RequiredParamError) Error() string { | ||
| return fmt.Sprintf("Query argument %s is required, but not found", e.ParamName) | ||
| } | ||
|
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| type RequiredHeaderError struct { | ||
| ParamName string | ||
| Err error | ||
| } | ||
|
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| func (e *RequiredHeaderError) Error() string { | ||
| return fmt.Sprintf("Header parameter %s is required, but not found", e.ParamName) | ||
| } | ||
|
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| func (e *RequiredHeaderError) Unwrap() error { | ||
| return e.Err | ||
| } | ||
|
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| type InvalidParamFormatError struct { | ||
| ParamName string | ||
| Err error | ||
| } | ||
|
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| func (e *InvalidParamFormatError) Error() string { | ||
| return fmt.Sprintf("Invalid format for parameter %s: %s", e.ParamName, e.Err.Error()) | ||
| } | ||
|
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| func (e *InvalidParamFormatError) Unwrap() error { | ||
| return e.Err | ||
| } | ||
|
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| type TooManyValuesForParamError struct { | ||
| ParamName string | ||
| Count int | ||
| } | ||
|
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| func (e *TooManyValuesForParamError) Error() string { | ||
| return fmt.Sprintf("Expected one value for %s, got %d", e.ParamName, e.Count) | ||
| } | ||
|
|
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