harness-drone/remote/coding/internal/coding.go
2018-02-19 14:24:10 -08:00

98 lines
2.7 KiB
Go

// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
)
type Client struct {
baseURL string
apiPath string
token string
agent string
client *http.Client
}
type GenericAPIResponse struct {
Code int `json:"code"`
Data json.RawMessage `json:"data,omitempty"`
}
func NewClient(baseURL, apiPath, token, agent string, client *http.Client) *Client {
return &Client{
baseURL: baseURL,
apiPath: apiPath,
token: token,
agent: agent,
client: client,
}
}
// Generic GET for requesting Coding OAuth API
func (c *Client) Get(u string, params url.Values) ([]byte, error) {
return c.Do(http.MethodGet, u, params)
}
// Generic method for requesting Coding OAuth API
func (c *Client) Do(method, u string, params url.Values) ([]byte, error) {
if params == nil {
params = url.Values{}
}
params.Set("access_token", c.token)
rawURL := c.baseURL + c.apiPath + u
var req *http.Request
var err error
if method != "GET" {
req, err = http.NewRequest(method, rawURL+"?access_token="+c.token, strings.NewReader(params.Encode()))
req.Header.Set("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8")
} else {
req, err = http.NewRequest("GET", rawURL+"?"+params.Encode(), nil)
}
if err != nil {
return nil, fmt.Errorf("fail to create request for url %q: %v", rawURL, err)
}
req.Header.Set("User-Agent", c.agent)
resp, err := c.client.Do(req)
if err != nil {
return nil, fmt.Errorf("fail to request %s %s: %v", req.Method, req.URL, err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("%s %s respond %d", req.Method, req.URL, resp.StatusCode)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("fail to read response from %s %s: %v", req.Method, req.URL.String(), err)
}
apiResp := &GenericAPIResponse{}
err = json.Unmarshal(body, apiResp)
if err != nil {
return nil, fmt.Errorf("fail to parse response from %s %s: %v", req.Method, req.URL.String(), err)
}
if apiResp.Code != 0 {
return nil, fmt.Errorf("Coding OAuth API respond error: %s", string(body))
}
return apiResp.Data, nil
}