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111 lines
3.2 KiB
111 lines
3.2 KiB
//
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// DISCLAIMER
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//
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// Copyright 2020 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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package http
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"reflect"
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"strings"
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"github.com/arangodb/go-velocypack"
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"github.com/arangodb/go-driver"
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)
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type connectionDebugWrapper struct {
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driver.Connection
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ct driver.ContentType
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}
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func NewConnectionDebugWrapper(conn driver.Connection, ct driver.ContentType) driver.Connection {
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return &connectionDebugWrapper{conn, ct}
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}
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func (c *connectionDebugWrapper) Do(ctx context.Context, req driver.Request) (driver.Response, error) {
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if c.ct == driver.ContentTypeJSON {
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resp, err := c.Connection.Do(ctx, req)
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if err != nil {
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return resp, err
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}
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httpResponse, ok := resp.(*httpJSONResponse)
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if !ok {
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panic("can not cast response to the httpJSONResponse type!")
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}
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return &responseDebugWrapper{httpResponse}, err
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}
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return c.Connection.Do(ctx, req)
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}
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func (c *connectionDebugWrapper) Unmarshal(data driver.RawObject, result interface{}) error {
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ct := c.ct
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if ct == driver.ContentTypeVelocypack && len(data) >= 2 {
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// Poor mans auto detection of json
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l := len(data)
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if (data[0] == '{' && data[l-1] == '}') || (data[0] == '[' && data[l-1] == ']') {
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ct = driver.ContentTypeJSON
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}
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}
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switch ct {
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case driver.ContentTypeJSON:
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decoder := json.NewDecoder(strings.NewReader(string(data)))
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(result); err != nil {
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return driver.WithStack(err)
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}
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if err := json.Unmarshal(data, result); err != nil {
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fmt.Printf("Struct: %s \n", reflect.TypeOf(result).String())
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fmt.Printf("Response: %s \n\n", string(data))
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return driver.WithStack(errors.New(fmt.Sprintf("Struct: %s, Error: %s", reflect.TypeOf(result).String(), err.Error())))
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}
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case driver.ContentTypeVelocypack:
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if err := velocypack.Unmarshal(velocypack.Slice(data), result); err != nil {
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return driver.WithStack(err)
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}
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default:
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return driver.WithStack(fmt.Errorf("unsupported content type %d", int(c.ct)))
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}
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return nil
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}
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type responseDebugWrapper struct {
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*httpJSONResponse
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}
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func (r *responseDebugWrapper) ParseBody(field string, result interface{}) error {
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if field == "" {
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decoder := json.NewDecoder(strings.NewReader(string(r.httpJSONResponse.rawResponse)))
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(result); err != nil {
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fmt.Printf("Struct: %s \n", reflect.TypeOf(result).String())
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fmt.Printf("Response: %s \n\n", string(r.httpJSONResponse.rawResponse))
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return driver.WithStack(errors.New(fmt.Sprintf("Struct: %s, Error: %s", reflect.TypeOf(result).String(), err.Error())))
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}
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}
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return r.httpJSONResponse.ParseBody(field, result)
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}
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