mirror of
https://github.com/Luzifer/expose.git
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71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package ngrok2
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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)
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const (
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defaultBaseURL = "http://localhost:4040"
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defaultRequestTimeout = 5 * time.Second
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)
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// Client represents the API of the ngrok2 daemon
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type Client struct {
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HTTPClient *http.Client
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BaseURL string
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RequestTimeout time.Duration
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}
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// New creates a new Client with default settings
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func New() *Client {
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return &Client{
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HTTPClient: http.DefaultClient,
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BaseURL: defaultBaseURL,
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RequestTimeout: defaultRequestTimeout,
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}
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}
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func (c *Client) do(method, subPath string, payload interface{}, response interface{}) error {
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var (
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req *http.Request
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urlStr = c.BaseURL + subPath
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)
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if payload != nil {
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buf := bytes.NewBufferString("")
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if err := json.NewEncoder(buf).Encode(payload); err != nil {
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return fmt.Errorf("Unable to encode payload: %s", err)
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}
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req, _ = http.NewRequest(method, urlStr, buf)
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} else {
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req, _ = http.NewRequest(method, urlStr, nil)
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}
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req.Header.Set("Content-Type", "application/json")
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ctx, cancel := context.WithTimeout(context.Background(), c.RequestTimeout)
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defer cancel()
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resp, err := c.HTTPClient.Do(req.WithContext(ctx))
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if err != nil {
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return fmt.Errorf("Unable to execute request: %s", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 400 {
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return fmt.Errorf("Received unexpected status code %d on request.", resp.StatusCode)
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}
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if response != nil {
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if err := json.NewDecoder(resp.Body).Decode(response); err != nil {
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return fmt.Errorf("Unable to decode response: %s", err)
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}
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}
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return nil
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}
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