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http_client.go
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http_client.go
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package httpclient
import (
"errors"
"net/http"
"net/url"
"regexp"
"strings"
bosherr "github.com/cloudfoundry/bosh-utils/errors"
boshlog "github.com/cloudfoundry/bosh-utils/logger"
)
type HTTPClient struct {
client Client
logger boshlog.Logger
logTag string
opts Opts
}
type Opts struct {
NoRedactUrlQuery bool
}
func NewHTTPClient(client Client, logger boshlog.Logger) *HTTPClient {
return &HTTPClient{
client: client,
logger: logger,
logTag: "httpClient",
}
}
func NewHTTPClientOpts(client Client, logger boshlog.Logger, opts Opts) *HTTPClient {
return &HTTPClient{
client: client,
logger: logger,
logTag: "httpClient",
opts: opts,
}
}
func (c *HTTPClient) Post(endpoint string, payload []byte) (*http.Response, error) {
return c.PostCustomized(endpoint, payload, nil)
}
func (c *HTTPClient) PostCustomized(endpoint string, payload []byte, f func(*http.Request)) (*http.Response, error) {
postPayload := strings.NewReader(string(payload))
redactedEndpoint := endpoint
if !c.opts.NoRedactUrlQuery {
redactedEndpoint = scrubEndpointQuery(endpoint)
}
c.logger.Debug(c.logTag, "Sending POST request to endpoint '%s'", redactedEndpoint)
request, err := http.NewRequest("POST", endpoint, postPayload)
if err != nil {
return nil, bosherr.WrapError(err, "Creating POST request")
}
if f != nil {
f(request)
}
response, err := c.client.Do(request)
if err != nil {
return nil, bosherr.WrapError(scrubErrorOutput(err), "Performing POST request")
}
return response, nil
}
func (c *HTTPClient) Put(endpoint string, payload []byte) (*http.Response, error) {
return c.PutCustomized(endpoint, payload, nil)
}
func (c *HTTPClient) PutCustomized(endpoint string, payload []byte, f func(*http.Request)) (*http.Response, error) {
putPayload := strings.NewReader(string(payload))
redactedEndpoint := endpoint
if !c.opts.NoRedactUrlQuery {
redactedEndpoint = scrubEndpointQuery(endpoint)
}
c.logger.Debug(c.logTag, "Sending PUT request to endpoint '%s'", redactedEndpoint)
request, err := http.NewRequest("PUT", endpoint, putPayload)
if err != nil {
return nil, bosherr.WrapError(err, "Creating PUT request")
}
if f != nil {
f(request)
}
response, err := c.client.Do(request)
if err != nil {
return nil, bosherr.WrapError(scrubErrorOutput(err), "Performing PUT request")
}
return response, nil
}
func (c *HTTPClient) Get(endpoint string) (*http.Response, error) {
return c.GetCustomized(endpoint, nil)
}
func (c *HTTPClient) GetCustomized(endpoint string, f func(*http.Request)) (*http.Response, error) {
redactedEndpoint := endpoint
if !c.opts.NoRedactUrlQuery {
redactedEndpoint = scrubEndpointQuery(endpoint)
}
c.logger.Debug(c.logTag, "Sending GET request to endpoint '%s'", redactedEndpoint)
request, err := http.NewRequest("GET", endpoint, nil)
if err != nil {
return nil, bosherr.WrapError(err, "Creating GET request")
}
if f != nil {
f(request)
}
response, err := c.client.Do(request)
if err != nil {
return nil, bosherr.WrapError(scrubErrorOutput(err), "Performing GET request")
}
return response, nil
}
func (c *HTTPClient) Delete(endpoint string) (*http.Response, error) {
return c.DeleteCustomized(endpoint, nil)
}
func (c *HTTPClient) DeleteCustomized(endpoint string, f func(*http.Request)) (*http.Response, error) {
redactedEndpoint := endpoint
if !c.opts.NoRedactUrlQuery {
redactedEndpoint = scrubEndpointQuery(endpoint)
}
c.logger.Debug(c.logTag, "Sending DELETE request with endpoint %s", redactedEndpoint)
request, err := http.NewRequest("DELETE", endpoint, nil)
if err != nil {
return nil, bosherr.WrapError(err, "Creating DELETE request")
}
if f != nil {
f(request)
}
response, err := c.client.Do(request)
if err != nil {
return nil, bosherr.WrapError(err, "Performing DELETE request")
}
return response, nil
}
var scrubUserinfoRegex = regexp.MustCompile("(https?://.*:).*@")
func scrubEndpointQuery(endpoint string) string {
parsedURL, err := url.Parse(endpoint)
if err != nil {
return "error occurred parsing endpoing"
}
query := parsedURL.Query()
for key, _ := range query { //nolint:gosimple
query[key] = []string{"<redacted>"}
}
parsedURL.RawQuery = query.Encode()
unescapedEndpoint, _ := url.QueryUnescape(parsedURL.String())
return unescapedEndpoint
}
func scrubErrorOutput(err error) error {
errorMsg := err.Error()
errorMsg = scrubUserinfoRegex.ReplaceAllString(errorMsg, "$1<redacted>@")
return errors.New(errorMsg)
}