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http.go
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http.go
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package iam
import (
"encoding/json"
"net/http"
"github.com/go-playground/validator/v10"
)
// HTTPClientConfig is the configuration required by iam.Client
type HTTPClientConfig struct {
GetManagersURL string `validate:"required,url" mapstructure:"get_managers_url"`
HTTPClient *http.Client
}
type managerEmailsResponse struct {
Emails []string `json:"emails"`
}
// HTTPClient wraps the http client for external approver resolver service
type HTTPClient struct {
getManagersURL string
httpClient *http.Client
}
// NewHTTPClient returns *iam.Client
func NewHTTPClient(config *HTTPClientConfig) (*HTTPClient, error) {
if err := validator.New().Struct(config); err != nil {
return nil, err
}
httpClient := config.HTTPClient
if httpClient == nil {
httpClient = http.DefaultClient
}
return &HTTPClient{
getManagersURL: config.GetManagersURL,
httpClient: httpClient,
}, nil
}
// GetManagerEmails fetches to external approver resolver service and returns approver emails
func (c *HTTPClient) GetManagerEmails(user string) ([]string, error) {
req, err := http.NewRequest(http.MethodGet, c.getManagersURL, nil)
if err != nil {
return nil, err
}
req.Header.Set("Accept", "application/json")
q := req.URL.Query()
q.Add("user", user)
req.URL.RawQuery = q.Encode()
res, err := c.httpClient.Do(req)
if err != nil {
return nil, err
}
var approvers managerEmailsResponse
if err := json.NewDecoder(res.Body).Decode(&approvers); err != nil {
return nil, err
}
return approvers.Emails, nil
}