ACME DNS challenges

This commit is contained in:
Ludovic Fernandez 2018-10-10 16:28:04 +02:00 committed by Traefiker Bot
parent 7a2592b2fa
commit 5bdf8a5ea3
127 changed files with 24386 additions and 739 deletions

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vendor/github.com/go-resty/resty/LICENSE generated vendored Normal file
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The MIT License (MIT)
Copyright (c) 2015-2018 Jeevanandam M., https://myjeeva.com <jeeva@myjeeva.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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vendor/github.com/go-resty/resty/client.go generated vendored Normal file
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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"bytes"
"compress/gzip"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"net/url"
"reflect"
"regexp"
"strings"
"sync"
"time"
)
const (
// MethodGet HTTP method
MethodGet = "GET"
// MethodPost HTTP method
MethodPost = "POST"
// MethodPut HTTP method
MethodPut = "PUT"
// MethodDelete HTTP method
MethodDelete = "DELETE"
// MethodPatch HTTP method
MethodPatch = "PATCH"
// MethodHead HTTP method
MethodHead = "HEAD"
// MethodOptions HTTP method
MethodOptions = "OPTIONS"
)
var (
hdrUserAgentKey = http.CanonicalHeaderKey("User-Agent")
hdrAcceptKey = http.CanonicalHeaderKey("Accept")
hdrContentTypeKey = http.CanonicalHeaderKey("Content-Type")
hdrContentLengthKey = http.CanonicalHeaderKey("Content-Length")
hdrContentEncodingKey = http.CanonicalHeaderKey("Content-Encoding")
hdrAuthorizationKey = http.CanonicalHeaderKey("Authorization")
plainTextType = "text/plain; charset=utf-8"
jsonContentType = "application/json; charset=utf-8"
formContentType = "application/x-www-form-urlencoded"
jsonCheck = regexp.MustCompile(`(?i:(application|text)/(json|.*\+json)(;|$))`)
xmlCheck = regexp.MustCompile(`(?i:(application|text)/(xml|.*\+xml)(;|$))`)
hdrUserAgentValue = "go-resty/%s (https://github.com/go-resty/resty)"
bufPool = &sync.Pool{New: func() interface{} { return &bytes.Buffer{} }}
)
// Client type is used for HTTP/RESTful global values
// for all request raised from the client
type Client struct {
HostURL string
QueryParam url.Values
FormData url.Values
Header http.Header
UserInfo *User
Token string
Cookies []*http.Cookie
Error reflect.Type
Debug bool
DisableWarn bool
AllowGetMethodPayload bool
Log *log.Logger
RetryCount int
RetryWaitTime time.Duration
RetryMaxWaitTime time.Duration
RetryConditions []RetryConditionFunc
JSONMarshal func(v interface{}) ([]byte, error)
JSONUnmarshal func(data []byte, v interface{}) error
jsonEscapeHTML bool
httpClient *http.Client
setContentLength bool
isHTTPMode bool
outputDirectory string
scheme string
proxyURL *url.URL
closeConnection bool
notParseResponse bool
debugBodySizeLimit int64
logPrefix string
pathParams map[string]string
beforeRequest []func(*Client, *Request) error
udBeforeRequest []func(*Client, *Request) error
preReqHook func(*Client, *Request) error
afterResponse []func(*Client, *Response) error
}
// User type is to hold an username and password information
type User struct {
Username, Password string
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Client methods
//___________________________________
// SetHostURL method is to set Host URL in the client instance. It will be used with request
// raised from this client with relative URL
// // Setting HTTP address
// resty.SetHostURL("http://myjeeva.com")
//
// // Setting HTTPS address
// resty.SetHostURL("https://myjeeva.com")
//
func (c *Client) SetHostURL(url string) *Client {
c.HostURL = strings.TrimRight(url, "/")
return c
}
// SetHeader method sets a single header field and its value in the client instance.
// These headers will be applied to all requests raised from this client instance.
// Also it can be overridden at request level header options, see `resty.R().SetHeader`
// or `resty.R().SetHeaders`.
//
// Example: To set `Content-Type` and `Accept` as `application/json`
//
// resty.
// SetHeader("Content-Type", "application/json").
// SetHeader("Accept", "application/json")
//
func (c *Client) SetHeader(header, value string) *Client {
c.Header.Set(header, value)
return c
}
// SetHeaders method sets multiple headers field and its values at one go in the client instance.
// These headers will be applied to all requests raised from this client instance. Also it can be
// overridden at request level headers options, see `resty.R().SetHeaders` or `resty.R().SetHeader`.
//
// Example: To set `Content-Type` and `Accept` as `application/json`
//
// resty.SetHeaders(map[string]string{
// "Content-Type": "application/json",
// "Accept": "application/json",
// })
//
func (c *Client) SetHeaders(headers map[string]string) *Client {
for h, v := range headers {
c.Header.Set(h, v)
}
return c
}
// SetCookieJar method sets custom http.CookieJar in the resty client. Its way to override default.
// Example: sometimes we don't want to save cookies in api contacting, we can remove the default
// CookieJar in resty client.
//
// resty.SetCookieJar(nil)
//
func (c *Client) SetCookieJar(jar http.CookieJar) *Client {
c.httpClient.Jar = jar
return c
}
// SetCookie method appends a single cookie in the client instance.
// These cookies will be added to all the request raised from this client instance.
// resty.SetCookie(&http.Cookie{
// Name:"go-resty",
// Value:"This is cookie value",
// Path: "/",
// Domain: "sample.com",
// MaxAge: 36000,
// HttpOnly: true,
// Secure: false,
// })
//
func (c *Client) SetCookie(hc *http.Cookie) *Client {
c.Cookies = append(c.Cookies, hc)
return c
}
// SetCookies method sets an array of cookies in the client instance.
// These cookies will be added to all the request raised from this client instance.
// cookies := make([]*http.Cookie, 0)
//
// cookies = append(cookies, &http.Cookie{
// Name:"go-resty-1",
// Value:"This is cookie 1 value",
// Path: "/",
// Domain: "sample.com",
// MaxAge: 36000,
// HttpOnly: true,
// Secure: false,
// })
//
// cookies = append(cookies, &http.Cookie{
// Name:"go-resty-2",
// Value:"This is cookie 2 value",
// Path: "/",
// Domain: "sample.com",
// MaxAge: 36000,
// HttpOnly: true,
// Secure: false,
// })
//
// // Setting a cookies into resty
// resty.SetCookies(cookies)
//
func (c *Client) SetCookies(cs []*http.Cookie) *Client {
c.Cookies = append(c.Cookies, cs...)
return c
}
// SetQueryParam method sets single parameter and its value in the client instance.
// It will be formed as query string for the request. For example: `search=kitchen%20papers&size=large`
// in the URL after `?` mark. These query params will be added to all the request raised from
// this client instance. Also it can be overridden at request level Query Param options,
// see `resty.R().SetQueryParam` or `resty.R().SetQueryParams`.
// resty.
// SetQueryParam("search", "kitchen papers").
// SetQueryParam("size", "large")
//
func (c *Client) SetQueryParam(param, value string) *Client {
c.QueryParam.Set(param, value)
return c
}
// SetQueryParams method sets multiple parameters and their values at one go in the client instance.
// It will be formed as query string for the request. For example: `search=kitchen%20papers&size=large`
// in the URL after `?` mark. These query params will be added to all the request raised from this
// client instance. Also it can be overridden at request level Query Param options,
// see `resty.R().SetQueryParams` or `resty.R().SetQueryParam`.
// resty.SetQueryParams(map[string]string{
// "search": "kitchen papers",
// "size": "large",
// })
//
func (c *Client) SetQueryParams(params map[string]string) *Client {
for p, v := range params {
c.SetQueryParam(p, v)
}
return c
}
// SetFormData method sets Form parameters and their values in the client instance.
// It's applicable only HTTP method `POST` and `PUT` and requets content type would be set as
// `application/x-www-form-urlencoded`. These form data will be added to all the request raised from
// this client instance. Also it can be overridden at request level form data, see `resty.R().SetFormData`.
// resty.SetFormData(map[string]string{
// "access_token": "BC594900-518B-4F7E-AC75-BD37F019E08F",
// "user_id": "3455454545",
// })
//
func (c *Client) SetFormData(data map[string]string) *Client {
for k, v := range data {
c.FormData.Set(k, v)
}
return c
}
// SetBasicAuth method sets the basic authentication header in the HTTP request. Example:
// Authorization: Basic <base64-encoded-value>
//
// Example: To set the header for username "go-resty" and password "welcome"
// resty.SetBasicAuth("go-resty", "welcome")
//
// This basic auth information gets added to all the request rasied from this client instance.
// Also it can be overridden or set one at the request level is supported, see `resty.R().SetBasicAuth`.
//
func (c *Client) SetBasicAuth(username, password string) *Client {
c.UserInfo = &User{Username: username, Password: password}
return c
}
// SetAuthToken method sets bearer auth token header in the HTTP request. Example:
// Authorization: Bearer <auth-token-value-comes-here>
//
// Example: To set auth token BC594900518B4F7EAC75BD37F019E08FBC594900518B4F7EAC75BD37F019E08F
//
// resty.SetAuthToken("BC594900518B4F7EAC75BD37F019E08FBC594900518B4F7EAC75BD37F019E08F")
//
// This bearer auth token gets added to all the request rasied from this client instance.
// Also it can be overridden or set one at the request level is supported, see `resty.R().SetAuthToken`.
//
func (c *Client) SetAuthToken(token string) *Client {
c.Token = token
return c
}
// R method creates a request instance, its used for Get, Post, Put, Delete, Patch, Head and Options.
func (c *Client) R() *Request {
r := &Request{
QueryParam: url.Values{},
FormData: url.Values{},
Header: http.Header{},
client: c,
multipartFiles: []*File{},
multipartFields: []*multipartField{},
pathParams: map[string]string{},
jsonEscapeHTML: true,
}
return r
}
// NewRequest is an alias for R(). Creates a request instance, its used for
// Get, Post, Put, Delete, Patch, Head and Options.
func (c *Client) NewRequest() *Request {
return c.R()
}
// OnBeforeRequest method appends request middleware into the before request chain.
// Its gets applied after default `go-resty` request middlewares and before request
// been sent from `go-resty` to host server.
// resty.OnBeforeRequest(func(c *resty.Client, r *resty.Request) error {
// // Now you have access to Client and Request instance
// // manipulate it as per your need
//
// return nil // if its success otherwise return error
// })
//
func (c *Client) OnBeforeRequest(m func(*Client, *Request) error) *Client {
c.udBeforeRequest = append(c.udBeforeRequest, m)
return c
}
// OnAfterResponse method appends response middleware into the after response chain.
// Once we receive response from host server, default `go-resty` response middleware
// gets applied and then user assigened response middlewares applied.
// resty.OnAfterResponse(func(c *resty.Client, r *resty.Response) error {
// // Now you have access to Client and Response instance
// // manipulate it as per your need
//
// return nil // if its success otherwise return error
// })
//
func (c *Client) OnAfterResponse(m func(*Client, *Response) error) *Client {
c.afterResponse = append(c.afterResponse, m)
return c
}
// SetPreRequestHook method sets the given pre-request function into resty client.
// It is called right before the request is fired.
//
// Note: Only one pre-request hook can be registered. Use `resty.OnBeforeRequest` for mutilple.
func (c *Client) SetPreRequestHook(h func(*Client, *Request) error) *Client {
if c.preReqHook != nil {
c.Log.Printf("Overwriting an existing pre-request hook: %s", functionName(h))
}
c.preReqHook = h
return c
}
// SetDebug method enables the debug mode on `go-resty` client. Client logs details of every request and response.
// For `Request` it logs information such as HTTP verb, Relative URL path, Host, Headers, Body if it has one.
// For `Response` it logs information such as Status, Response Time, Headers, Body if it has one.
// resty.SetDebug(true)
//
func (c *Client) SetDebug(d bool) *Client {
c.Debug = d
return c
}
// SetDebugBodyLimit sets the maximum size for which the response body will be logged in debug mode.
// resty.SetDebugBodyLimit(1000000)
//
func (c *Client) SetDebugBodyLimit(sl int64) *Client {
c.debugBodySizeLimit = sl
return c
}
// SetDisableWarn method disables the warning message on `go-resty` client.
// For example: go-resty warns the user when BasicAuth used on HTTP mode.
// resty.SetDisableWarn(true)
//
func (c *Client) SetDisableWarn(d bool) *Client {
c.DisableWarn = d
return c
}
// SetAllowGetMethodPayload method allows the GET method with payload on `go-resty` client.
// For example: go-resty allows the user sends request with a payload on HTTP GET method.
// resty.SetAllowGetMethodPayload(true)
//
func (c *Client) SetAllowGetMethodPayload(a bool) *Client {
c.AllowGetMethodPayload = a
return c
}
// SetLogger method sets given writer for logging go-resty request and response details.
// Default is os.Stderr
// file, _ := os.OpenFile("/Users/jeeva/go-resty.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
//
// resty.SetLogger(file)
//
func (c *Client) SetLogger(w io.Writer) *Client {
c.Log = getLogger(w)
return c
}
// SetContentLength method enables the HTTP header `Content-Length` value for every request.
// By default go-resty won't set `Content-Length`.
// resty.SetContentLength(true)
//
// Also you have an option to enable for particular request. See `resty.R().SetContentLength`
//
func (c *Client) SetContentLength(l bool) *Client {
c.setContentLength = l
return c
}
// SetTimeout method sets timeout for request raised from client.
// resty.SetTimeout(time.Duration(1 * time.Minute))
//
func (c *Client) SetTimeout(timeout time.Duration) *Client {
c.httpClient.Timeout = timeout
return c
}
// SetError method is to register the global or client common `Error` object into go-resty.
// It is used for automatic unmarshalling if response status code is greater than 399 and
// content type either JSON or XML. Can be pointer or non-pointer.
// resty.SetError(&Error{})
// // OR
// resty.SetError(Error{})
//
func (c *Client) SetError(err interface{}) *Client {
c.Error = typeOf(err)
return c
}
// SetRedirectPolicy method sets the client redirect poilicy. go-resty provides ready to use
// redirect policies. Wanna create one for yourself refer `redirect.go`.
//
// resty.SetRedirectPolicy(FlexibleRedirectPolicy(20))
//
// // Need multiple redirect policies together
// resty.SetRedirectPolicy(FlexibleRedirectPolicy(20), DomainCheckRedirectPolicy("host1.com", "host2.net"))
//
func (c *Client) SetRedirectPolicy(policies ...interface{}) *Client {
for _, p := range policies {
if _, ok := p.(RedirectPolicy); !ok {
c.Log.Printf("ERORR: %v does not implement resty.RedirectPolicy (missing Apply method)",
functionName(p))
}
}
c.httpClient.CheckRedirect = func(req *http.Request, via []*http.Request) error {
for _, p := range policies {
if err := p.(RedirectPolicy).Apply(req, via); err != nil {
return err
}
}
return nil // looks good, go ahead
}
return c
}
// SetRetryCount method enables retry on `go-resty` client and allows you
// to set no. of retry count. Resty uses a Backoff mechanism.
func (c *Client) SetRetryCount(count int) *Client {
c.RetryCount = count
return c
}
// SetRetryWaitTime method sets default wait time to sleep before retrying
// request.
// Default is 100 milliseconds.
func (c *Client) SetRetryWaitTime(waitTime time.Duration) *Client {
c.RetryWaitTime = waitTime
return c
}
// SetRetryMaxWaitTime method sets max wait time to sleep before retrying
// request.
// Default is 2 seconds.
func (c *Client) SetRetryMaxWaitTime(maxWaitTime time.Duration) *Client {
c.RetryMaxWaitTime = maxWaitTime
return c
}
// AddRetryCondition method adds a retry condition function to array of functions
// that are checked to determine if the request is retried. The request will
// retry if any of the functions return true and error is nil.
func (c *Client) AddRetryCondition(condition RetryConditionFunc) *Client {
c.RetryConditions = append(c.RetryConditions, condition)
return c
}
// SetHTTPMode method sets go-resty mode to 'http'
func (c *Client) SetHTTPMode() *Client {
return c.SetMode("http")
}
// SetRESTMode method sets go-resty mode to 'rest'
func (c *Client) SetRESTMode() *Client {
return c.SetMode("rest")
}
// SetMode method sets go-resty client mode to given value such as 'http' & 'rest'.
// 'rest':
// - No Redirect
// - Automatic response unmarshal if it is JSON or XML
// 'http':
// - Up to 10 Redirects
// - No automatic unmarshall. Response will be treated as `response.String()`
//
// If you want more redirects, use FlexibleRedirectPolicy
// resty.SetRedirectPolicy(FlexibleRedirectPolicy(20))
//
func (c *Client) SetMode(mode string) *Client {
// HTTP
if mode == "http" {
c.isHTTPMode = true
c.SetRedirectPolicy(FlexibleRedirectPolicy(10))
c.afterResponse = []func(*Client, *Response) error{
responseLogger,
saveResponseIntoFile,
}
return c
}
// RESTful
c.isHTTPMode = false
c.SetRedirectPolicy(NoRedirectPolicy())
c.afterResponse = []func(*Client, *Response) error{
responseLogger,
parseResponseBody,
saveResponseIntoFile,
}
return c
}
// Mode method returns the current client mode. Typically its a "http" or "rest".
// Default is "rest"
func (c *Client) Mode() string {
if c.isHTTPMode {
return "http"
}
return "rest"
}
// SetTLSClientConfig method sets TLSClientConfig for underling client Transport.
//
// Example:
// // One can set custom root-certificate. Refer: http://golang.org/pkg/crypto/tls/#example_Dial
// resty.SetTLSClientConfig(&tls.Config{ RootCAs: roots })
//
// // or One can disable security check (https)
// resty.SetTLSClientConfig(&tls.Config{ InsecureSkipVerify: true })
// Note: This method overwrites existing `TLSClientConfig`.
//
func (c *Client) SetTLSClientConfig(config *tls.Config) *Client {
transport, err := c.getTransport()
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
transport.TLSClientConfig = config
return c
}
// SetProxy method sets the Proxy URL and Port for resty client.
// resty.SetProxy("http://proxyserver:8888")
//
// Alternatives: At request level proxy, see `Request.SetProxy`. OR Without this `SetProxy` method,
// you can also set Proxy via environment variable. By default `Go` uses setting from `HTTP_PROXY`.
//
func (c *Client) SetProxy(proxyURL string) *Client {
transport, err := c.getTransport()
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
if pURL, err := url.Parse(proxyURL); err == nil {
c.proxyURL = pURL
transport.Proxy = http.ProxyURL(c.proxyURL)
} else {
c.Log.Printf("ERROR %v", err)
c.RemoveProxy()
}
return c
}
// RemoveProxy method removes the proxy configuration from resty client
// resty.RemoveProxy()
//
func (c *Client) RemoveProxy() *Client {
transport, err := c.getTransport()
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
c.proxyURL = nil
transport.Proxy = nil
return c
}
// SetCertificates method helps to set client certificates into resty conveniently.
//
func (c *Client) SetCertificates(certs ...tls.Certificate) *Client {
config, err := c.getTLSConfig()
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
config.Certificates = append(config.Certificates, certs...)
return c
}
// SetRootCertificate method helps to add one or more root certificates into resty client
// resty.SetRootCertificate("/path/to/root/pemFile.pem")
//
func (c *Client) SetRootCertificate(pemFilePath string) *Client {
rootPemData, err := ioutil.ReadFile(pemFilePath)
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
config, err := c.getTLSConfig()
if err != nil {
c.Log.Printf("ERROR %v", err)
return c
}
if config.RootCAs == nil {
config.RootCAs = x509.NewCertPool()
}
config.RootCAs.AppendCertsFromPEM(rootPemData)
return c
}
// SetOutputDirectory method sets output directory for saving HTTP response into file.
// If the output directory not exists then resty creates one. This setting is optional one,
// if you're planning using absoule path in `Request.SetOutput` and can used together.
// resty.SetOutputDirectory("/save/http/response/here")
//
func (c *Client) SetOutputDirectory(dirPath string) *Client {
c.outputDirectory = dirPath
return c
}
// SetTransport method sets custom `*http.Transport` or any `http.RoundTripper`
// compatible interface implementation in the resty client.
//
// NOTE:
//
// - If transport is not type of `*http.Transport` then you may not be able to
// take advantage of some of the `resty` client settings.
//
// - It overwrites the resty client transport instance and it's configurations.
//
// transport := &http.Transport{
// // somthing like Proxying to httptest.Server, etc...
// Proxy: func(req *http.Request) (*url.URL, error) {
// return url.Parse(server.URL)
// },
// }
//
// resty.SetTransport(transport)
//
func (c *Client) SetTransport(transport http.RoundTripper) *Client {
if transport != nil {
c.httpClient.Transport = transport
}
return c
}
// SetScheme method sets custom scheme in the resty client. It's way to override default.
// resty.SetScheme("http")
//
func (c *Client) SetScheme(scheme string) *Client {
if !IsStringEmpty(scheme) {
c.scheme = scheme
}
return c
}
// SetCloseConnection method sets variable `Close` in http request struct with the given
// value. More info: https://golang.org/src/net/http/request.go
func (c *Client) SetCloseConnection(close bool) *Client {
c.closeConnection = close
return c
}
// SetDoNotParseResponse method instructs `Resty` not to parse the response body automatically.
// Resty exposes the raw response body as `io.ReadCloser`. Also do not forget to close the body,
// otherwise you might get into connection leaks, no connection reuse.
//
// Please Note: Response middlewares are not applicable, if you use this option. Basically you have
// taken over the control of response parsing from `Resty`.
func (c *Client) SetDoNotParseResponse(parse bool) *Client {
c.notParseResponse = parse
return c
}
// SetLogPrefix method sets the Resty logger prefix value.
func (c *Client) SetLogPrefix(prefix string) *Client {
c.logPrefix = prefix
c.Log.SetPrefix(prefix)
return c
}
// SetPathParams method sets multiple URL path key-value pairs at one go in the
// resty client instance.
// resty.SetPathParams(map[string]string{
// "userId": "sample@sample.com",
// "subAccountId": "100002",
// })
//
// Result:
// URL - /v1/users/{userId}/{subAccountId}/details
// Composed URL - /v1/users/sample@sample.com/100002/details
// It replace the value of the key while composing request URL. Also it can be
// overridden at request level Path Params options, see `Request.SetPathParams`.
func (c *Client) SetPathParams(params map[string]string) *Client {
for p, v := range params {
c.pathParams[p] = v
}
return c
}
// SetJSONEscapeHTML method is to enable/disable the HTML escape on JSON marshal.
//
// NOTE: This option only applicable to standard JSON Marshaller.
func (c *Client) SetJSONEscapeHTML(b bool) *Client {
c.jsonEscapeHTML = b
return c
}
// IsProxySet method returns the true if proxy is set on client otherwise false.
func (c *Client) IsProxySet() bool {
return c.proxyURL != nil
}
// GetClient method returns the current http.Client used by the resty client.
func (c *Client) GetClient() *http.Client {
return c.httpClient
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Client Unexported methods
//___________________________________
// executes the given `Request` object and returns response
func (c *Client) execute(req *Request) (*Response, error) {
defer releaseBuffer(req.bodyBuf)
// Apply Request middleware
var err error
// user defined on before request methods
// to modify the *resty.Request object
for _, f := range c.udBeforeRequest {
if err = f(c, req); err != nil {
return nil, err
}
}
// resty middlewares
for _, f := range c.beforeRequest {
if err = f(c, req); err != nil {
return nil, err
}
}
// call pre-request if defined
if c.preReqHook != nil {
if err = c.preReqHook(c, req); err != nil {
return nil, err
}
}
if hostHeader := req.Header.Get("Host"); hostHeader != "" {
req.RawRequest.Host = hostHeader
}
req.Time = time.Now()
resp, err := c.httpClient.Do(req.RawRequest)
response := &Response{
Request: req,
RawResponse: resp,
receivedAt: time.Now(),
}
if err != nil || req.notParseResponse || c.notParseResponse {
return response, err
}
if !req.isSaveResponse {
defer closeq(resp.Body)
body := resp.Body
// GitHub #142
if strings.EqualFold(resp.Header.Get(hdrContentEncodingKey), "gzip") && resp.ContentLength > 0 {
if _, ok := body.(*gzip.Reader); !ok {
body, err = gzip.NewReader(body)
if err != nil {
return response, err
}
defer closeq(body)
}
}
if response.body, err = ioutil.ReadAll(body); err != nil {
return response, err
}
response.size = int64(len(response.body))
}
// Apply Response middleware
for _, f := range c.afterResponse {
if err = f(c, response); err != nil {
break
}
}
return response, err
}
// enables a log prefix
func (c *Client) enableLogPrefix() {
c.Log.SetFlags(log.LstdFlags)
c.Log.SetPrefix(c.logPrefix)
}
// disables a log prefix
func (c *Client) disableLogPrefix() {
c.Log.SetFlags(0)
c.Log.SetPrefix("")
}
// getting TLS client config if not exists then create one
func (c *Client) getTLSConfig() (*tls.Config, error) {
transport, err := c.getTransport()
if err != nil {
return nil, err
}
if transport.TLSClientConfig == nil {
transport.TLSClientConfig = &tls.Config{}
}
return transport.TLSClientConfig, nil
}
// returns `*http.Transport` currently in use or error
// in case currently used `transport` is not an `*http.Transport`
func (c *Client) getTransport() (*http.Transport, error) {
if c.httpClient.Transport == nil {
c.SetTransport(new(http.Transport))
}
if transport, ok := c.httpClient.Transport.(*http.Transport); ok {
return transport, nil
}
return nil, errors.New("current transport is not an *http.Transport instance")
}
//
// File
//
// File represent file information for multipart request
type File struct {
Name string
ParamName string
io.Reader
}
// String returns string value of current file details
func (f *File) String() string {
return fmt.Sprintf("ParamName: %v; FileName: %v", f.ParamName, f.Name)
}
// multipartField represent custom data part for multipart request
type multipartField struct {
Param string
FileName string
ContentType string
io.Reader
}

328
vendor/github.com/go-resty/resty/default.go generated vendored Normal file
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@ -0,0 +1,328 @@
// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"crypto/tls"
"encoding/json"
"io"
"math"
"net/http"
"net/http/cookiejar"
"net/url"
"os"
"time"
"golang.org/x/net/publicsuffix"
)
// DefaultClient of resty
var DefaultClient *Client
// New method creates a new go-resty client.
func New() *Client {
cookieJar, _ := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List})
return createClient(&http.Client{Jar: cookieJar})
}
// NewWithClient method create a new go-resty client with given `http.Client`.
func NewWithClient(hc *http.Client) *Client {
return createClient(hc)
}
// R creates a new resty request object, it is used form a HTTP/RESTful request
// such as GET, POST, PUT, DELETE, HEAD, PATCH and OPTIONS.
func R() *Request {
return DefaultClient.R()
}
// NewRequest is an alias for R(). Creates a new resty request object, it is used form a HTTP/RESTful request
// such as GET, POST, PUT, DELETE, HEAD, PATCH and OPTIONS.
func NewRequest() *Request {
return R()
}
// SetHostURL sets Host URL. See `Client.SetHostURL for more information.
func SetHostURL(url string) *Client {
return DefaultClient.SetHostURL(url)
}
// SetHeader sets single header. See `Client.SetHeader` for more information.
func SetHeader(header, value string) *Client {
return DefaultClient.SetHeader(header, value)
}
// SetHeaders sets multiple headers. See `Client.SetHeaders` for more information.
func SetHeaders(headers map[string]string) *Client {
return DefaultClient.SetHeaders(headers)
}
// SetCookieJar sets custom http.CookieJar. See `Client.SetCookieJar` for more information.
func SetCookieJar(jar http.CookieJar) *Client {
return DefaultClient.SetCookieJar(jar)
}
// SetCookie sets single cookie object. See `Client.SetCookie` for more information.
func SetCookie(hc *http.Cookie) *Client {
return DefaultClient.SetCookie(hc)
}
// SetCookies sets multiple cookie object. See `Client.SetCookies` for more information.
func SetCookies(cs []*http.Cookie) *Client {
return DefaultClient.SetCookies(cs)
}
// SetQueryParam method sets single parameter and its value. See `Client.SetQueryParam` for more information.
func SetQueryParam(param, value string) *Client {
return DefaultClient.SetQueryParam(param, value)
}
// SetQueryParams method sets multiple parameters and its value. See `Client.SetQueryParams` for more information.
func SetQueryParams(params map[string]string) *Client {
return DefaultClient.SetQueryParams(params)
}
// SetFormData method sets Form parameters and its values. See `Client.SetFormData` for more information.
func SetFormData(data map[string]string) *Client {
return DefaultClient.SetFormData(data)
}
// SetBasicAuth method sets the basic authentication header. See `Client.SetBasicAuth` for more information.
func SetBasicAuth(username, password string) *Client {
return DefaultClient.SetBasicAuth(username, password)
}
// SetAuthToken method sets bearer auth token header. See `Client.SetAuthToken` for more information.
func SetAuthToken(token string) *Client {
return DefaultClient.SetAuthToken(token)
}
// OnBeforeRequest method sets request middleware. See `Client.OnBeforeRequest` for more information.
func OnBeforeRequest(m func(*Client, *Request) error) *Client {
return DefaultClient.OnBeforeRequest(m)
}
// OnAfterResponse method sets response middleware. See `Client.OnAfterResponse` for more information.
func OnAfterResponse(m func(*Client, *Response) error) *Client {
return DefaultClient.OnAfterResponse(m)
}
// SetPreRequestHook method sets the pre-request hook. See `Client.SetPreRequestHook` for more information.
func SetPreRequestHook(h func(*Client, *Request) error) *Client {
return DefaultClient.SetPreRequestHook(h)
}
// SetDebug method enables the debug mode. See `Client.SetDebug` for more information.
func SetDebug(d bool) *Client {
return DefaultClient.SetDebug(d)
}
// SetDebugBodyLimit method sets the response body limit for debug mode. See `Client.SetDebugBodyLimit` for more information.
func SetDebugBodyLimit(sl int64) *Client {
return DefaultClient.SetDebugBodyLimit(sl)
}
// SetAllowGetMethodPayload method allows the GET method with payload. See `Client.SetAllowGetMethodPayload` for more information.
func SetAllowGetMethodPayload(a bool) *Client {
return DefaultClient.SetAllowGetMethodPayload(a)
}
// SetRetryCount method sets the retry count. See `Client.SetRetryCount` for more information.
func SetRetryCount(count int) *Client {
return DefaultClient.SetRetryCount(count)
}
// SetRetryWaitTime method sets the retry wait time. See `Client.SetRetryWaitTime` for more information.
func SetRetryWaitTime(waitTime time.Duration) *Client {
return DefaultClient.SetRetryWaitTime(waitTime)
}
// SetRetryMaxWaitTime method sets the retry max wait time. See `Client.SetRetryMaxWaitTime` for more information.
func SetRetryMaxWaitTime(maxWaitTime time.Duration) *Client {
return DefaultClient.SetRetryMaxWaitTime(maxWaitTime)
}
// AddRetryCondition method appends check function for retry. See `Client.AddRetryCondition` for more information.
func AddRetryCondition(condition RetryConditionFunc) *Client {
return DefaultClient.AddRetryCondition(condition)
}
// SetDisableWarn method disables warning comes from `go-resty` client. See `Client.SetDisableWarn` for more information.
func SetDisableWarn(d bool) *Client {
return DefaultClient.SetDisableWarn(d)
}
// SetLogger method sets given writer for logging. See `Client.SetLogger` for more information.
func SetLogger(w io.Writer) *Client {
return DefaultClient.SetLogger(w)
}
// SetContentLength method enables `Content-Length` value. See `Client.SetContentLength` for more information.
func SetContentLength(l bool) *Client {
return DefaultClient.SetContentLength(l)
}
// SetError method is to register the global or client common `Error` object. See `Client.SetError` for more information.
func SetError(err interface{}) *Client {
return DefaultClient.SetError(err)
}
// SetRedirectPolicy method sets the client redirect poilicy. See `Client.SetRedirectPolicy` for more information.
func SetRedirectPolicy(policies ...interface{}) *Client {
return DefaultClient.SetRedirectPolicy(policies...)
}
// SetHTTPMode method sets go-resty mode into HTTP. See `Client.SetMode` for more information.
func SetHTTPMode() *Client {
return DefaultClient.SetHTTPMode()
}
// SetRESTMode method sets go-resty mode into RESTful. See `Client.SetMode` for more information.
func SetRESTMode() *Client {
return DefaultClient.SetRESTMode()
}
// Mode method returns the current client mode. See `Client.Mode` for more information.
func Mode() string {
return DefaultClient.Mode()
}
// SetTLSClientConfig method sets TLSClientConfig for underling client Transport. See `Client.SetTLSClientConfig` for more information.
func SetTLSClientConfig(config *tls.Config) *Client {
return DefaultClient.SetTLSClientConfig(config)
}
// SetTimeout method sets timeout for request. See `Client.SetTimeout` for more information.
func SetTimeout(timeout time.Duration) *Client {
return DefaultClient.SetTimeout(timeout)
}
// SetProxy method sets Proxy for request. See `Client.SetProxy` for more information.
func SetProxy(proxyURL string) *Client {
return DefaultClient.SetProxy(proxyURL)
}
// RemoveProxy method removes the proxy configuration. See `Client.RemoveProxy` for more information.
func RemoveProxy() *Client {
return DefaultClient.RemoveProxy()
}
// SetCertificates method helps to set client certificates into resty conveniently.
// See `Client.SetCertificates` for more information and example.
func SetCertificates(certs ...tls.Certificate) *Client {
return DefaultClient.SetCertificates(certs...)
}
// SetRootCertificate method helps to add one or more root certificates into resty client.
// See `Client.SetRootCertificate` for more information.
func SetRootCertificate(pemFilePath string) *Client {
return DefaultClient.SetRootCertificate(pemFilePath)
}
// SetOutputDirectory method sets output directory. See `Client.SetOutputDirectory` for more information.
func SetOutputDirectory(dirPath string) *Client {
return DefaultClient.SetOutputDirectory(dirPath)
}
// SetTransport method sets custom `*http.Transport` or any `http.RoundTripper`
// compatible interface implementation in the resty client.
// See `Client.SetTransport` for more information.
func SetTransport(transport http.RoundTripper) *Client {
return DefaultClient.SetTransport(transport)
}
// SetScheme method sets custom scheme in the resty client.
// See `Client.SetScheme` for more information.
func SetScheme(scheme string) *Client {
return DefaultClient.SetScheme(scheme)
}
// SetCloseConnection method sets close connection value in the resty client.
// See `Client.SetCloseConnection` for more information.
func SetCloseConnection(close bool) *Client {
return DefaultClient.SetCloseConnection(close)
}
// SetDoNotParseResponse method instructs `Resty` not to parse the response body automatically.
// See `Client.SetDoNotParseResponse` for more information.
func SetDoNotParseResponse(parse bool) *Client {
return DefaultClient.SetDoNotParseResponse(parse)
}
// SetPathParams method sets the Request path parameter key-value pairs. See
// `Client.SetPathParams` for more information.
func SetPathParams(params map[string]string) *Client {
return DefaultClient.SetPathParams(params)
}
// IsProxySet method returns the true if proxy is set on client otherwise false.
// See `Client.IsProxySet` for more information.
func IsProxySet() bool {
return DefaultClient.IsProxySet()
}
// GetClient method returns the current `http.Client` used by the default resty client.
func GetClient() *http.Client {
return DefaultClient.httpClient
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Unexported methods
//___________________________________
func createClient(hc *http.Client) *Client {
c := &Client{
HostURL: "",
QueryParam: url.Values{},
FormData: url.Values{},
Header: http.Header{},
UserInfo: nil,
Token: "",
Cookies: make([]*http.Cookie, 0),
Debug: false,
Log: getLogger(os.Stderr),
RetryCount: 0,
RetryWaitTime: defaultWaitTime,
RetryMaxWaitTime: defaultMaxWaitTime,
JSONMarshal: json.Marshal,
JSONUnmarshal: json.Unmarshal,
jsonEscapeHTML: true,
httpClient: hc,
debugBodySizeLimit: math.MaxInt32,
pathParams: make(map[string]string),
}
// Log Prefix
c.SetLogPrefix("RESTY ")
// Default redirect policy
c.SetRedirectPolicy(NoRedirectPolicy())
// default before request middlewares
c.beforeRequest = []func(*Client, *Request) error{
parseRequestURL,
parseRequestHeader,
parseRequestBody,
createHTTPRequest,
addCredentials,
requestLogger,
}
// user defined request middlewares
c.udBeforeRequest = []func(*Client, *Request) error{}
// default after response middlewares
c.afterResponse = []func(*Client, *Response) error{
responseLogger,
parseResponseBody,
saveResponseIntoFile,
}
return c
}
func init() {
DefaultClient = New()
}

453
vendor/github.com/go-resty/resty/middleware.go generated vendored Normal file
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@ -0,0 +1,453 @@
// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"bytes"
"encoding/xml"
"errors"
"fmt"
"io"
"mime/multipart"
"net/http"
"net/url"
"os"
"path/filepath"
"reflect"
"strings"
"time"
)
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Request Middleware(s)
//___________________________________
func parseRequestURL(c *Client, r *Request) error {
// GitHub #103 Path Params
if len(r.pathParams) > 0 {
for p, v := range r.pathParams {
r.URL = strings.Replace(r.URL, "{"+p+"}", v, -1)
}
}
if len(c.pathParams) > 0 {
for p, v := range c.pathParams {
r.URL = strings.Replace(r.URL, "{"+p+"}", v, -1)
}
}
// Parsing request URL
reqURL, err := url.Parse(r.URL)
if err != nil {
return err
}
// If Request.URL is relative path then added c.HostURL into
// the request URL otherwise Request.URL will be used as-is
if !reqURL.IsAbs() {
r.URL = reqURL.String()
if len(r.URL) > 0 && r.URL[0] != '/' {
r.URL = "/" + r.URL
}
reqURL, err = url.Parse(c.HostURL + r.URL)
if err != nil {
return err
}
}
// Adding Query Param
query := make(url.Values)
for k, v := range c.QueryParam {
for _, iv := range v {
query.Add(k, iv)
}
}
for k, v := range r.QueryParam {
// remove query param from client level by key
// since overrides happens for that key in the request
query.Del(k)
for _, iv := range v {
query.Add(k, iv)
}
}
// GitHub #123 Preserve query string order partially.
// Since not feasible in `SetQuery*` resty methods, because
// standard package `url.Encode(...)` sorts the query params
// alphabetically
if len(query) > 0 {
if IsStringEmpty(reqURL.RawQuery) {
reqURL.RawQuery = query.Encode()
} else {
reqURL.RawQuery = reqURL.RawQuery + "&" + query.Encode()
}
}
r.URL = reqURL.String()
return nil
}
func parseRequestHeader(c *Client, r *Request) error {
hdr := make(http.Header)
for k := range c.Header {
hdr[k] = append(hdr[k], c.Header[k]...)
}
for k := range r.Header {
hdr.Del(k)
hdr[k] = append(hdr[k], r.Header[k]...)
}
if IsStringEmpty(hdr.Get(hdrUserAgentKey)) {
hdr.Set(hdrUserAgentKey, fmt.Sprintf(hdrUserAgentValue, Version))
}
ct := hdr.Get(hdrContentTypeKey)
if IsStringEmpty(hdr.Get(hdrAcceptKey)) && !IsStringEmpty(ct) &&
(IsJSONType(ct) || IsXMLType(ct)) {
hdr.Set(hdrAcceptKey, hdr.Get(hdrContentTypeKey))
}
r.Header = hdr
return nil
}
func parseRequestBody(c *Client, r *Request) (err error) {
if isPayloadSupported(r.Method, c.AllowGetMethodPayload) {
// Handling Multipart
if r.isMultiPart && !(r.Method == MethodPatch) {
if err = handleMultipart(c, r); err != nil {
return
}
goto CL
}
// Handling Form Data
if len(c.FormData) > 0 || len(r.FormData) > 0 {
handleFormData(c, r)
goto CL
}
// Handling Request body
if r.Body != nil {
handleContentType(c, r)
if err = handleRequestBody(c, r); err != nil {
return
}
}
}
CL:
// by default resty won't set content length, you can if you want to :)
if (c.setContentLength || r.setContentLength) && r.bodyBuf != nil {
r.Header.Set(hdrContentLengthKey, fmt.Sprintf("%d", r.bodyBuf.Len()))
}
return
}
func createHTTPRequest(c *Client, r *Request) (err error) {
if r.bodyBuf == nil {
if reader, ok := r.Body.(io.Reader); ok {
r.RawRequest, err = http.NewRequest(r.Method, r.URL, reader)
} else {
r.RawRequest, err = http.NewRequest(r.Method, r.URL, nil)
}
} else {
r.RawRequest, err = http.NewRequest(r.Method, r.URL, r.bodyBuf)
}
if err != nil {
return
}
// Assign close connection option
r.RawRequest.Close = c.closeConnection
// Add headers into http request
r.RawRequest.Header = r.Header
// Add cookies into http request
for _, cookie := range c.Cookies {
r.RawRequest.AddCookie(cookie)
}
// it's for non-http scheme option
if r.RawRequest.URL != nil && r.RawRequest.URL.Scheme == "" {
r.RawRequest.URL.Scheme = c.scheme
r.RawRequest.URL.Host = r.URL
}
// Use context if it was specified
r.addContextIfAvailable()
return
}
func addCredentials(c *Client, r *Request) error {
var isBasicAuth bool
// Basic Auth
if r.UserInfo != nil { // takes precedence
r.RawRequest.SetBasicAuth(r.UserInfo.Username, r.UserInfo.Password)
isBasicAuth = true
} else if c.UserInfo != nil {
r.RawRequest.SetBasicAuth(c.UserInfo.Username, c.UserInfo.Password)
isBasicAuth = true
}
if !c.DisableWarn {
if isBasicAuth && !strings.HasPrefix(r.URL, "https") {
c.Log.Println("WARNING - Using Basic Auth in HTTP mode is not secure.")
}
}
// Token Auth
if !IsStringEmpty(r.Token) { // takes precedence
r.RawRequest.Header.Set(hdrAuthorizationKey, "Bearer "+r.Token)
} else if !IsStringEmpty(c.Token) {
r.RawRequest.Header.Set(hdrAuthorizationKey, "Bearer "+c.Token)
}
return nil
}
func requestLogger(c *Client, r *Request) error {
if c.Debug {
rr := r.RawRequest
reqLog := "\n---------------------- REQUEST LOG -----------------------\n" +
fmt.Sprintf("%s %s %s\n", r.Method, rr.URL.RequestURI(), rr.Proto) +
fmt.Sprintf("HOST : %s\n", rr.URL.Host) +
fmt.Sprintf("HEADERS:\n") +
composeHeaders(rr.Header) + "\n" +
fmt.Sprintf("BODY :\n%v\n", r.fmtBodyString()) +
"----------------------------------------------------------\n"
c.Log.Print(reqLog)
}
return nil
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Response Middleware(s)
//___________________________________
func responseLogger(c *Client, res *Response) error {
if c.Debug {
resLog := "\n---------------------- RESPONSE LOG -----------------------\n" +
fmt.Sprintf("STATUS : %s\n", res.Status()) +
fmt.Sprintf("RECEIVED AT : %v\n", res.ReceivedAt().Format(time.RFC3339Nano)) +
fmt.Sprintf("RESPONSE TIME : %v\n", res.Time()) +
"HEADERS:\n" +
composeHeaders(res.Header()) + "\n"
if res.Request.isSaveResponse {
resLog += fmt.Sprintf("BODY :\n***** RESPONSE WRITTEN INTO FILE *****\n")
} else {
resLog += fmt.Sprintf("BODY :\n%v\n", res.fmtBodyString(c.debugBodySizeLimit))
}
resLog += "----------------------------------------------------------\n"
c.Log.Print(resLog)
}
return nil
}
func parseResponseBody(c *Client, res *Response) (err error) {
// Handles only JSON or XML content type
ct := firstNonEmpty(res.Header().Get(hdrContentTypeKey), res.Request.fallbackContentType)
if IsJSONType(ct) || IsXMLType(ct) {
// HTTP status code > 199 and < 300, considered as Result
if res.IsSuccess() {
if res.Request.Result != nil {
err = Unmarshalc(c, ct, res.body, res.Request.Result)
return
}
}
// HTTP status code > 399, considered as Error
if res.IsError() {
// global error interface
if res.Request.Error == nil && c.Error != nil {
res.Request.Error = reflect.New(c.Error).Interface()
}
if res.Request.Error != nil {
err = Unmarshalc(c, ct, res.body, res.Request.Error)
}
}
}
return
}
func handleMultipart(c *Client, r *Request) (err error) {
r.bodyBuf = acquireBuffer()
w := multipart.NewWriter(r.bodyBuf)
for k, v := range c.FormData {
for _, iv := range v {
if err = w.WriteField(k, iv); err != nil {
return err
}
}
}
for k, v := range r.FormData {
for _, iv := range v {
if strings.HasPrefix(k, "@") { // file
err = addFile(w, k[1:], iv)
if err != nil {
return
}
} else { // form value
if err = w.WriteField(k, iv); err != nil {
return err
}
}
}
}
// #21 - adding io.Reader support
if len(r.multipartFiles) > 0 {
for _, f := range r.multipartFiles {
err = addFileReader(w, f)
if err != nil {
return
}
}
}
// GitHub #130 adding multipart field support with content type
if len(r.multipartFields) > 0 {
for _, mf := range r.multipartFields {
if err = addMultipartFormField(w, mf); err != nil {
return
}
}
}
r.Header.Set(hdrContentTypeKey, w.FormDataContentType())
err = w.Close()
return
}
func handleFormData(c *Client, r *Request) {
formData := url.Values{}
for k, v := range c.FormData {
for _, iv := range v {
formData.Add(k, iv)
}
}
for k, v := range r.FormData {
// remove form data field from client level by key
// since overrides happens for that key in the request
formData.Del(k)
for _, iv := range v {
formData.Add(k, iv)
}
}
r.bodyBuf = bytes.NewBuffer([]byte(formData.Encode()))
r.Header.Set(hdrContentTypeKey, formContentType)
r.isFormData = true
}
func handleContentType(c *Client, r *Request) {
contentType := r.Header.Get(hdrContentTypeKey)
if IsStringEmpty(contentType) {
contentType = DetectContentType(r.Body)
r.Header.Set(hdrContentTypeKey, contentType)
}
}
func handleRequestBody(c *Client, r *Request) (err error) {
var bodyBytes []byte
contentType := r.Header.Get(hdrContentTypeKey)
kind := kindOf(r.Body)
r.bodyBuf = nil
if reader, ok := r.Body.(io.Reader); ok {
if c.setContentLength || r.setContentLength { // keep backward compability
r.bodyBuf = acquireBuffer()
_, err = r.bodyBuf.ReadFrom(reader)
r.Body = nil
} else {
// Otherwise buffer less processing for `io.Reader`, sounds good.
return
}
} else if b, ok := r.Body.([]byte); ok {
bodyBytes = b
} else if s, ok := r.Body.(string); ok {
bodyBytes = []byte(s)
} else if IsJSONType(contentType) &&
(kind == reflect.Struct || kind == reflect.Map || kind == reflect.Slice) {
bodyBytes, err = jsonMarshal(c, r, r.Body)
} else if IsXMLType(contentType) && (kind == reflect.Struct) {
bodyBytes, err = xml.Marshal(r.Body)
}
if bodyBytes == nil && r.bodyBuf == nil {
err = errors.New("unsupported 'Body' type/value")
}
// if any errors during body bytes handling, return it
if err != nil {
return
}
// []byte into Buffer
if bodyBytes != nil && r.bodyBuf == nil {
r.bodyBuf = acquireBuffer()
_, _ = r.bodyBuf.Write(bodyBytes)
}
return
}
func saveResponseIntoFile(c *Client, res *Response) error {
if res.Request.isSaveResponse {
file := ""
if len(c.outputDirectory) > 0 && !filepath.IsAbs(res.Request.outputFile) {
file += c.outputDirectory + string(filepath.Separator)
}
file = filepath.Clean(file + res.Request.outputFile)
if err := createDirectory(filepath.Dir(file)); err != nil {
return err
}
outFile, err := os.Create(file)
if err != nil {
return err
}
defer closeq(outFile)
// io.Copy reads maximum 32kb size, it is perfect for large file download too
defer closeq(res.RawResponse.Body)
written, err := io.Copy(outFile, res.RawResponse.Body)
if err != nil {
return err
}
res.size = written
}
return nil
}

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"errors"
"fmt"
"net"
"net/http"
"strings"
)
type (
// RedirectPolicy to regulate the redirects in the resty client.
// Objects implementing the RedirectPolicy interface can be registered as
//
// Apply function should return nil to continue the redirect jounery, otherwise
// return error to stop the redirect.
RedirectPolicy interface {
Apply(req *http.Request, via []*http.Request) error
}
// The RedirectPolicyFunc type is an adapter to allow the use of ordinary functions as RedirectPolicy.
// If f is a function with the appropriate signature, RedirectPolicyFunc(f) is a RedirectPolicy object that calls f.
RedirectPolicyFunc func(*http.Request, []*http.Request) error
)
// Apply calls f(req, via).
func (f RedirectPolicyFunc) Apply(req *http.Request, via []*http.Request) error {
return f(req, via)
}
// NoRedirectPolicy is used to disable redirects in the HTTP client
// resty.SetRedirectPolicy(NoRedirectPolicy())
func NoRedirectPolicy() RedirectPolicy {
return RedirectPolicyFunc(func(req *http.Request, via []*http.Request) error {
return errors.New("auto redirect is disabled")
})
}
// FlexibleRedirectPolicy is convenient method to create No of redirect policy for HTTP client.
// resty.SetRedirectPolicy(FlexibleRedirectPolicy(20))
func FlexibleRedirectPolicy(noOfRedirect int) RedirectPolicy {
return RedirectPolicyFunc(func(req *http.Request, via []*http.Request) error {
if len(via) >= noOfRedirect {
return fmt.Errorf("stopped after %d redirects", noOfRedirect)
}
checkHostAndAddHeaders(req, via[0])
return nil
})
}
// DomainCheckRedirectPolicy is convenient method to define domain name redirect rule in resty client.
// Redirect is allowed for only mentioned host in the policy.
// resty.SetRedirectPolicy(DomainCheckRedirectPolicy("host1.com", "host2.org", "host3.net"))
func DomainCheckRedirectPolicy(hostnames ...string) RedirectPolicy {
hosts := make(map[string]bool)
for _, h := range hostnames {
hosts[strings.ToLower(h)] = true
}
fn := RedirectPolicyFunc(func(req *http.Request, via []*http.Request) error {
if ok := hosts[getHostname(req.URL.Host)]; !ok {
return errors.New("redirect is not allowed as per DomainCheckRedirectPolicy")
}
return nil
})
return fn
}
func getHostname(host string) (hostname string) {
if strings.Index(host, ":") > 0 {
host, _, _ = net.SplitHostPort(host)
}
hostname = strings.ToLower(host)
return
}
// By default Golang will not redirect request headers
// after go throughing various discussion comments from thread
// https://github.com/golang/go/issues/4800
// go-resty will add all the headers during a redirect for the same host
func checkHostAndAddHeaders(cur *http.Request, pre *http.Request) {
curHostname := getHostname(cur.URL.Host)
preHostname := getHostname(pre.URL.Host)
if strings.EqualFold(curHostname, preHostname) {
for key, val := range pre.Header {
cur.Header[key] = val
}
} else { // only library User-Agent header is added
cur.Header.Set(hdrUserAgentKey, fmt.Sprintf(hdrUserAgentValue, Version))
}
}

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"encoding/base64"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"net"
"net/url"
"reflect"
"strings"
)
// SRVRecord holds the data to query the SRV record for the following service
type SRVRecord struct {
Service string
Domain string
}
// SetHeader method is to set a single header field and its value in the current request.
// Example: To set `Content-Type` and `Accept` as `application/json`.
// resty.R().
// SetHeader("Content-Type", "application/json").
// SetHeader("Accept", "application/json")
//
// Also you can override header value, which was set at client instance level.
//
func (r *Request) SetHeader(header, value string) *Request {
r.Header.Set(header, value)
return r
}
// SetHeaders method sets multiple headers field and its values at one go in the current request.
// Example: To set `Content-Type` and `Accept` as `application/json`
//
// resty.R().
// SetHeaders(map[string]string{
// "Content-Type": "application/json",
// "Accept": "application/json",
// })
// Also you can override header value, which was set at client instance level.
//
func (r *Request) SetHeaders(headers map[string]string) *Request {
for h, v := range headers {
r.SetHeader(h, v)
}
return r
}
// SetQueryParam method sets single parameter and its value in the current request.
// It will be formed as query string for the request.
// Example: `search=kitchen%20papers&size=large` in the URL after `?` mark.
// resty.R().
// SetQueryParam("search", "kitchen papers").
// SetQueryParam("size", "large")
// Also you can override query params value, which was set at client instance level
//
func (r *Request) SetQueryParam(param, value string) *Request {
r.QueryParam.Set(param, value)
return r
}
// SetQueryParams method sets multiple parameters and its values at one go in the current request.
// It will be formed as query string for the request.
// Example: `search=kitchen%20papers&size=large` in the URL after `?` mark.
// resty.R().
// SetQueryParams(map[string]string{
// "search": "kitchen papers",
// "size": "large",
// })
// Also you can override query params value, which was set at client instance level
//
func (r *Request) SetQueryParams(params map[string]string) *Request {
for p, v := range params {
r.SetQueryParam(p, v)
}
return r
}
// SetMultiValueQueryParams method appends multiple parameters with multi-value
// at one go in the current request. It will be formed as query string for the request.
// Example: `status=pending&status=approved&status=open` in the URL after `?` mark.
// resty.R().
// SetMultiValueQueryParams(url.Values{
// "status": []string{"pending", "approved", "open"},
// })
// Also you can override query params value, which was set at client instance level
//
func (r *Request) SetMultiValueQueryParams(params url.Values) *Request {
for p, v := range params {
for _, pv := range v {
r.QueryParam.Add(p, pv)
}
}
return r
}
// SetQueryString method provides ability to use string as an input to set URL query string for the request.
//
// Using String as an input
// resty.R().
// SetQueryString("productId=232&template=fresh-sample&cat=resty&source=google&kw=buy a lot more")
//
func (r *Request) SetQueryString(query string) *Request {
params, err := url.ParseQuery(strings.TrimSpace(query))
if err == nil {
for p, v := range params {
for _, pv := range v {
r.QueryParam.Add(p, pv)
}
}
} else {
r.client.Log.Printf("ERROR %v", err)
}
return r
}
// SetFormData method sets Form parameters and their values in the current request.
// It's applicable only HTTP method `POST` and `PUT` and requests content type would be set as
// `application/x-www-form-urlencoded`.
// resty.R().
// SetFormData(map[string]string{
// "access_token": "BC594900-518B-4F7E-AC75-BD37F019E08F",
// "user_id": "3455454545",
// })
// Also you can override form data value, which was set at client instance level
//
func (r *Request) SetFormData(data map[string]string) *Request {
for k, v := range data {
r.FormData.Set(k, v)
}
return r
}
// SetMultiValueFormData method appends multiple form parameters with multi-value
// at one go in the current request.
// resty.R().
// SetMultiValueFormData(url.Values{
// "search_criteria": []string{"book", "glass", "pencil"},
// })
// Also you can override form data value, which was set at client instance level
//
func (r *Request) SetMultiValueFormData(params url.Values) *Request {
for k, v := range params {
for _, kv := range v {
r.FormData.Add(k, kv)
}
}
return r
}
// SetBody method sets the request body for the request. It supports various realtime need easy.
// We can say its quite handy or powerful. Supported request body data types is `string`, `[]byte`,
// `struct` and `map`. Body value can be pointer or non-pointer. Automatic marshalling
// for JSON and XML content type, if it is `struct` or `map`.
//
// Example:
//
// Struct as a body input, based on content type, it will be marshalled.
// resty.R().
// SetBody(User{
// Username: "jeeva@myjeeva.com",
// Password: "welcome2resty",
// })
//
// Map as a body input, based on content type, it will be marshalled.
// resty.R().
// SetBody(map[string]interface{}{
// "username": "jeeva@myjeeva.com",
// "password": "welcome2resty",
// "address": &Address{
// Address1: "1111 This is my street",
// Address2: "Apt 201",
// City: "My City",
// State: "My State",
// ZipCode: 00000,
// },
// })
//
// String as a body input. Suitable for any need as a string input.
// resty.R().
// SetBody(`{
// "username": "jeeva@getrightcare.com",
// "password": "admin"
// }`)
//
// []byte as a body input. Suitable for raw request such as file upload, serialize & deserialize, etc.
// resty.R().
// SetBody([]byte("This is my raw request, sent as-is"))
//
func (r *Request) SetBody(body interface{}) *Request {
r.Body = body
return r
}
// SetResult method is to register the response `Result` object for automatic unmarshalling in the RESTful mode
// if response status code is between 200 and 299 and content type either JSON or XML.
//
// Note: Result object can be pointer or non-pointer.
// resty.R().SetResult(&AuthToken{})
// // OR
// resty.R().SetResult(AuthToken{})
//
// Accessing a result value
// response.Result().(*AuthToken)
//
func (r *Request) SetResult(res interface{}) *Request {
r.Result = getPointer(res)
return r
}
// SetError method is to register the request `Error` object for automatic unmarshalling in the RESTful mode
// if response status code is greater than 399 and content type either JSON or XML.
//
// Note: Error object can be pointer or non-pointer.
// resty.R().SetError(&AuthError{})
// // OR
// resty.R().SetError(AuthError{})
//
// Accessing a error value
// response.Error().(*AuthError)
//
func (r *Request) SetError(err interface{}) *Request {
r.Error = getPointer(err)
return r
}
// SetFile method is to set single file field name and its path for multipart upload.
// resty.R().
// SetFile("my_file", "/Users/jeeva/Gas Bill - Sep.pdf")
//
func (r *Request) SetFile(param, filePath string) *Request {
r.isMultiPart = true
r.FormData.Set("@"+param, filePath)
return r
}
// SetFiles method is to set multiple file field name and its path for multipart upload.
// resty.R().
// SetFiles(map[string]string{
// "my_file1": "/Users/jeeva/Gas Bill - Sep.pdf",
// "my_file2": "/Users/jeeva/Electricity Bill - Sep.pdf",
// "my_file3": "/Users/jeeva/Water Bill - Sep.pdf",
// })
//
func (r *Request) SetFiles(files map[string]string) *Request {
r.isMultiPart = true
for f, fp := range files {
r.FormData.Set("@"+f, fp)
}
return r
}
// SetFileReader method is to set single file using io.Reader for multipart upload.
// resty.R().
// SetFileReader("profile_img", "my-profile-img.png", bytes.NewReader(profileImgBytes)).
// SetFileReader("notes", "user-notes.txt", bytes.NewReader(notesBytes))
//
func (r *Request) SetFileReader(param, fileName string, reader io.Reader) *Request {
r.isMultiPart = true
r.multipartFiles = append(r.multipartFiles, &File{
Name: fileName,
ParamName: param,
Reader: reader,
})
return r
}
// SetMultipartField method is to set custom data using io.Reader for multipart upload.
func (r *Request) SetMultipartField(param, fileName, contentType string, reader io.Reader) *Request {
r.isMultiPart = true
r.multipartFields = append(r.multipartFields, &multipartField{
Param: param,
FileName: fileName,
ContentType: contentType,
Reader: reader,
})
return r
}
// SetContentLength method sets the HTTP header `Content-Length` value for current request.
// By default go-resty won't set `Content-Length`. Also you have an option to enable for every
// request. See `resty.SetContentLength`
// resty.R().SetContentLength(true)
//
func (r *Request) SetContentLength(l bool) *Request {
r.setContentLength = true
return r
}
// SetBasicAuth method sets the basic authentication header in the current HTTP request.
// For Header example:
// Authorization: Basic <base64-encoded-value>
//
// To set the header for username "go-resty" and password "welcome"
// resty.R().SetBasicAuth("go-resty", "welcome")
//
// This method overrides the credentials set by method `resty.SetBasicAuth`.
//
func (r *Request) SetBasicAuth(username, password string) *Request {
r.UserInfo = &User{Username: username, Password: password}
return r
}
// SetAuthToken method sets bearer auth token header in the current HTTP request. Header example:
// Authorization: Bearer <auth-token-value-comes-here>
//
// Example: To set auth token BC594900518B4F7EAC75BD37F019E08FBC594900518B4F7EAC75BD37F019E08F
//
// resty.R().SetAuthToken("BC594900518B4F7EAC75BD37F019E08FBC594900518B4F7EAC75BD37F019E08F")
//
// This method overrides the Auth token set by method `resty.SetAuthToken`.
//
func (r *Request) SetAuthToken(token string) *Request {
r.Token = token
return r
}
// SetOutput method sets the output file for current HTTP request. Current HTTP response will be
// saved into given file. It is similar to `curl -o` flag. Absolute path or relative path can be used.
// If is it relative path then output file goes under the output directory, as mentioned
// in the `Client.SetOutputDirectory`.
// resty.R().
// SetOutput("/Users/jeeva/Downloads/ReplyWithHeader-v5.1-beta.zip").
// Get("http://bit.ly/1LouEKr")
//
// Note: In this scenario `Response.Body` might be nil.
func (r *Request) SetOutput(file string) *Request {
r.outputFile = file
r.isSaveResponse = true
return r
}
// SetSRV method sets the details to query the service SRV record and execute the
// request.
// resty.R().
// SetSRV(SRVRecord{"web", "testservice.com"}).
// Get("/get")
func (r *Request) SetSRV(srv *SRVRecord) *Request {
r.SRV = srv
return r
}
// SetDoNotParseResponse method instructs `Resty` not to parse the response body automatically.
// Resty exposes the raw response body as `io.ReadCloser`. Also do not forget to close the body,
// otherwise you might get into connection leaks, no connection reuse.
//
// Please Note: Response middlewares are not applicable, if you use this option. Basically you have
// taken over the control of response parsing from `Resty`.
func (r *Request) SetDoNotParseResponse(parse bool) *Request {
r.notParseResponse = parse
return r
}
// SetPathParams method sets multiple URL path key-value pairs at one go in the
// resty current request instance.
// resty.R().SetPathParams(map[string]string{
// "userId": "sample@sample.com",
// "subAccountId": "100002",
// })
//
// Result:
// URL - /v1/users/{userId}/{subAccountId}/details
// Composed URL - /v1/users/sample@sample.com/100002/details
// It replace the value of the key while composing request URL. Also you can
// override Path Params value, which was set at client instance level.
func (r *Request) SetPathParams(params map[string]string) *Request {
for p, v := range params {
r.pathParams[p] = v
}
return r
}
// ExpectContentType method allows to provide fallback `Content-Type` for automatic unmarshalling
// when `Content-Type` response header is unavailable.
func (r *Request) ExpectContentType(contentType string) *Request {
r.fallbackContentType = contentType
return r
}
// SetJSONEscapeHTML method is to enable/disable the HTML escape on JSON marshal.
//
// NOTE: This option only applicable to standard JSON Marshaller.
func (r *Request) SetJSONEscapeHTML(b bool) *Request {
r.jsonEscapeHTML = b
return r
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// HTTP verb method starts here
//___________________________________
// Get method does GET HTTP request. It's defined in section 4.3.1 of RFC7231.
func (r *Request) Get(url string) (*Response, error) {
return r.Execute(MethodGet, url)
}
// Head method does HEAD HTTP request. It's defined in section 4.3.2 of RFC7231.
func (r *Request) Head(url string) (*Response, error) {
return r.Execute(MethodHead, url)
}
// Post method does POST HTTP request. It's defined in section 4.3.3 of RFC7231.
func (r *Request) Post(url string) (*Response, error) {
return r.Execute(MethodPost, url)
}
// Put method does PUT HTTP request. It's defined in section 4.3.4 of RFC7231.
func (r *Request) Put(url string) (*Response, error) {
return r.Execute(MethodPut, url)
}
// Delete method does DELETE HTTP request. It's defined in section 4.3.5 of RFC7231.
func (r *Request) Delete(url string) (*Response, error) {
return r.Execute(MethodDelete, url)
}
// Options method does OPTIONS HTTP request. It's defined in section 4.3.7 of RFC7231.
func (r *Request) Options(url string) (*Response, error) {
return r.Execute(MethodOptions, url)
}
// Patch method does PATCH HTTP request. It's defined in section 2 of RFC5789.
func (r *Request) Patch(url string) (*Response, error) {
return r.Execute(MethodPatch, url)
}
// Execute method performs the HTTP request with given HTTP method and URL
// for current `Request`.
// resp, err := resty.R().Execute(resty.GET, "http://httpbin.org/get")
//
func (r *Request) Execute(method, url string) (*Response, error) {
var addrs []*net.SRV
var err error
if r.isMultiPart && !(method == MethodPost || method == MethodPut) {
return nil, fmt.Errorf("multipart content is not allowed in HTTP verb [%v]", method)
}
if r.SRV != nil {
_, addrs, err = net.LookupSRV(r.SRV.Service, "tcp", r.SRV.Domain)
if err != nil {
return nil, err
}
}
r.Method = method
r.URL = r.selectAddr(addrs, url, 0)
if r.client.RetryCount == 0 {
return r.client.execute(r)
}
var resp *Response
attempt := 0
_ = Backoff(
func() (*Response, error) {
attempt++
r.URL = r.selectAddr(addrs, url, attempt)
resp, err = r.client.execute(r)
if err != nil {
r.client.Log.Printf("ERROR %v, Attempt %v", err, attempt)
if r.isContextCancelledIfAvailable() {
// stop Backoff from retrying request if request has been
// canceled by context
return resp, nil
}
}
return resp, err
},
Retries(r.client.RetryCount),
WaitTime(r.client.RetryWaitTime),
MaxWaitTime(r.client.RetryMaxWaitTime),
RetryConditions(r.client.RetryConditions),
)
return resp, err
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Request Unexported methods
//___________________________________
func (r *Request) fmtBodyString() (body string) {
body = "***** NO CONTENT *****"
if isPayloadSupported(r.Method, r.client.AllowGetMethodPayload) {
if _, ok := r.Body.(io.Reader); ok {
body = "***** BODY IS io.Reader *****"
return
}
// multipart or form-data
if r.isMultiPart || r.isFormData {
body = r.bodyBuf.String()
return
}
// request body data
if r.Body == nil {
return
}
var prtBodyBytes []byte
var err error
contentType := r.Header.Get(hdrContentTypeKey)
kind := kindOf(r.Body)
if canJSONMarshal(contentType, kind) {
prtBodyBytes, err = json.MarshalIndent(&r.Body, "", " ")
} else if IsXMLType(contentType) && (kind == reflect.Struct) {
prtBodyBytes, err = xml.MarshalIndent(&r.Body, "", " ")
} else if b, ok := r.Body.(string); ok {
if IsJSONType(contentType) {
bodyBytes := []byte(b)
out := acquireBuffer()
defer releaseBuffer(out)
if err = json.Indent(out, bodyBytes, "", " "); err == nil {
prtBodyBytes = out.Bytes()
}
} else {
body = b
return
}
} else if b, ok := r.Body.([]byte); ok {
body = base64.StdEncoding.EncodeToString(b)
}
if prtBodyBytes != nil && err == nil {
body = string(prtBodyBytes)
}
}
return
}
func (r *Request) selectAddr(addrs []*net.SRV, path string, attempt int) string {
if addrs == nil {
return path
}
idx := attempt % len(addrs)
domain := strings.TrimRight(addrs[idx].Target, ".")
path = strings.TrimLeft(path, "/")
return fmt.Sprintf("%s://%s:%d/%s", r.client.scheme, domain, addrs[idx].Port, path)
}

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// +build !go1.7
// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com)
// 2016 Andrew Grigorev (https://github.com/ei-grad)
// All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"bytes"
"encoding/json"
"net/http"
"net/url"
"time"
)
// Request type is used to compose and send individual request from client
// go-resty is provide option override client level settings such as
// Auth Token, Basic Auth credentials, Header, Query Param, Form Data, Error object
// and also you can add more options for that particular request
type Request struct {
URL string
Method string
Token string
QueryParam url.Values
FormData url.Values
Header http.Header
Time time.Time
Body interface{}
Result interface{}
Error interface{}
RawRequest *http.Request
SRV *SRVRecord
UserInfo *User
isMultiPart bool
isFormData bool
setContentLength bool
isSaveResponse bool
notParseResponse bool
jsonEscapeHTML bool
outputFile string
fallbackContentType string
pathParams map[string]string
client *Client
bodyBuf *bytes.Buffer
multipartFiles []*File
multipartFields []*multipartField
}
func (r *Request) addContextIfAvailable() {
// nothing to do for golang<1.7
}
func (r *Request) isContextCancelledIfAvailable() bool {
// just always return false golang<1.7
return false
}
// for !go1.7
var noescapeJSONMarshal = json.Marshal

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// +build go1.7 go1.8
// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com)
// 2016 Andrew Grigorev (https://github.com/ei-grad)
// All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"bytes"
"context"
"encoding/json"
"net/http"
"net/url"
"time"
)
// Request type is used to compose and send individual request from client
// go-resty is provide option override client level settings such as
// Auth Token, Basic Auth credentials, Header, Query Param, Form Data, Error object
// and also you can add more options for that particular request
type Request struct {
URL string
Method string
Token string
QueryParam url.Values
FormData url.Values
Header http.Header
Time time.Time
Body interface{}
Result interface{}
Error interface{}
RawRequest *http.Request
SRV *SRVRecord
UserInfo *User
isMultiPart bool
isFormData bool
setContentLength bool
isSaveResponse bool
notParseResponse bool
jsonEscapeHTML bool
outputFile string
fallbackContentType string
ctx context.Context
pathParams map[string]string
client *Client
bodyBuf *bytes.Buffer
multipartFiles []*File
multipartFields []*multipartField
}
// SetContext method sets the context.Context for current Request. It allows
// to interrupt the request execution if ctx.Done() channel is closed.
// See https://blog.golang.org/context article and the "context" package
// documentation.
func (r *Request) SetContext(ctx context.Context) *Request {
r.ctx = ctx
return r
}
func (r *Request) addContextIfAvailable() {
if r.ctx != nil {
r.RawRequest = r.RawRequest.WithContext(r.ctx)
}
}
func (r *Request) isContextCancelledIfAvailable() bool {
if r.ctx != nil {
if r.ctx.Err() != nil {
return true
}
}
return false
}
// for go1.7+
var noescapeJSONMarshal = func(v interface{}) ([]byte, error) {
buf := acquireBuffer()
defer releaseBuffer(buf)
encoder := json.NewEncoder(buf)
encoder.SetEscapeHTML(false)
err := encoder.Encode(v)
return buf.Bytes(), err
}

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"time"
)
// Response is an object represents executed request and its values.
type Response struct {
Request *Request
RawResponse *http.Response
body []byte
size int64
receivedAt time.Time
}
// Body method returns HTTP response as []byte array for the executed request.
// Note: `Response.Body` might be nil, if `Request.SetOutput` is used.
func (r *Response) Body() []byte {
if r.RawResponse == nil {
return []byte{}
}
return r.body
}
// Status method returns the HTTP status string for the executed request.
// Example: 200 OK
func (r *Response) Status() string {
if r.RawResponse == nil {
return ""
}
return r.RawResponse.Status
}
// StatusCode method returns the HTTP status code for the executed request.
// Example: 200
func (r *Response) StatusCode() int {
if r.RawResponse == nil {
return 0
}
return r.RawResponse.StatusCode
}
// Result method returns the response value as an object if it has one
func (r *Response) Result() interface{} {
return r.Request.Result
}
// Error method returns the error object if it has one
func (r *Response) Error() interface{} {
return r.Request.Error
}
// Header method returns the response headers
func (r *Response) Header() http.Header {
if r.RawResponse == nil {
return http.Header{}
}
return r.RawResponse.Header
}
// Cookies method to access all the response cookies
func (r *Response) Cookies() []*http.Cookie {
if r.RawResponse == nil {
return make([]*http.Cookie, 0)
}
return r.RawResponse.Cookies()
}
// String method returns the body of the server response as String.
func (r *Response) String() string {
if r.body == nil {
return ""
}
return strings.TrimSpace(string(r.body))
}
// Time method returns the time of HTTP response time that from request we sent and received a request.
// See `response.ReceivedAt` to know when client recevied response and see `response.Request.Time` to know
// when client sent a request.
func (r *Response) Time() time.Duration {
return r.receivedAt.Sub(r.Request.Time)
}
// ReceivedAt method returns when response got recevied from server for the request.
func (r *Response) ReceivedAt() time.Time {
return r.receivedAt
}
// Size method returns the HTTP response size in bytes. Ya, you can relay on HTTP `Content-Length` header,
// however it won't be good for chucked transfer/compressed response. Since Resty calculates response size
// at the client end. You will get actual size of the http response.
func (r *Response) Size() int64 {
return r.size
}
// RawBody method exposes the HTTP raw response body. Use this method in-conjunction with `SetDoNotParseResponse`
// option otherwise you get an error as `read err: http: read on closed response body`.
//
// Do not forget to close the body, otherwise you might get into connection leaks, no connection reuse.
// Basically you have taken over the control of response parsing from `Resty`.
func (r *Response) RawBody() io.ReadCloser {
if r.RawResponse == nil {
return nil
}
return r.RawResponse.Body
}
// IsSuccess method returns true if HTTP status code >= 200 and <= 299 otherwise false.
func (r *Response) IsSuccess() bool {
return r.StatusCode() > 199 && r.StatusCode() < 300
}
// IsError method returns true if HTTP status code >= 400 otherwise false.
func (r *Response) IsError() bool {
return r.StatusCode() > 399
}
func (r *Response) fmtBodyString(sl int64) string {
if r.body != nil {
if int64(len(r.body)) > sl {
return fmt.Sprintf("***** RESPONSE TOO LARGE (size - %d) *****", len(r.body))
}
ct := r.Header().Get(hdrContentTypeKey)
if IsJSONType(ct) {
out := acquireBuffer()
defer releaseBuffer(out)
if err := json.Indent(out, r.body, "", " "); err == nil {
return out.String()
}
}
return r.String()
}
return "***** NO CONTENT *****"
}

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
// Package resty provides simple HTTP and REST client for Go inspired by Ruby rest-client.
package resty
// Version # of resty
const Version = "1.9.1"

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"math"
"math/rand"
"time"
)
const (
defaultMaxRetries = 3
defaultWaitTime = time.Duration(100) * time.Millisecond
defaultMaxWaitTime = time.Duration(2000) * time.Millisecond
)
type (
// Option is to create convenient retry options like wait time, max retries, etc.
Option func(*Options)
// RetryConditionFunc type is for retry condition function
RetryConditionFunc func(*Response) (bool, error)
// Options to hold go-resty retry values
Options struct {
maxRetries int
waitTime time.Duration
maxWaitTime time.Duration
retryConditions []RetryConditionFunc
}
)
// Retries sets the max number of retries
func Retries(value int) Option {
return func(o *Options) {
o.maxRetries = value
}
}
// WaitTime sets the default wait time to sleep between requests
func WaitTime(value time.Duration) Option {
return func(o *Options) {
o.waitTime = value
}
}
// MaxWaitTime sets the max wait time to sleep between requests
func MaxWaitTime(value time.Duration) Option {
return func(o *Options) {
o.maxWaitTime = value
}
}
// RetryConditions sets the conditions that will be checked for retry.
func RetryConditions(conditions []RetryConditionFunc) Option {
return func(o *Options) {
o.retryConditions = conditions
}
}
// Backoff retries with increasing timeout duration up until X amount of retries
// (Default is 3 attempts, Override with option Retries(n))
func Backoff(operation func() (*Response, error), options ...Option) error {
// Defaults
opts := Options{
maxRetries: defaultMaxRetries,
waitTime: defaultWaitTime,
maxWaitTime: defaultMaxWaitTime,
retryConditions: []RetryConditionFunc{},
}
for _, o := range options {
o(&opts)
}
var (
resp *Response
err error
)
base := float64(opts.waitTime) // Time to wait between each attempt
capLevel := float64(opts.maxWaitTime) // Maximum amount of wait time for the retry
for attempt := 0; attempt < opts.maxRetries; attempt++ {
resp, err = operation()
var needsRetry bool
var conditionErr error
for _, condition := range opts.retryConditions {
needsRetry, conditionErr = condition(resp)
if needsRetry || conditionErr != nil {
break
}
}
// If the operation returned no error, there was no condition satisfied and
// there was no error caused by the conditional functions.
if err == nil && !needsRetry && conditionErr == nil {
return nil
}
// Adding capped exponential backup with jitter
// See the following article...
// http://www.awsarchitectureblog.com/2015/03/backoff.html
temp := math.Min(capLevel, base*math.Exp2(float64(attempt)))
sleepDuration := time.Duration(int(temp/2) + rand.Intn(int(temp/2)))
if sleepDuration < opts.waitTime {
sleepDuration = opts.waitTime
}
time.Sleep(sleepDuration)
}
return err
}

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// Copyright (c) 2015-2018 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"bytes"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"log"
"mime/multipart"
"net/http"
"net/textproto"
"os"
"path/filepath"
"reflect"
"runtime"
"sort"
"strings"
)
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Package Helper methods
//___________________________________
// IsStringEmpty method tells whether given string is empty or not
func IsStringEmpty(str string) bool {
return len(strings.TrimSpace(str)) == 0
}
// DetectContentType method is used to figure out `Request.Body` content type for request header
func DetectContentType(body interface{}) string {
contentType := plainTextType
kind := kindOf(body)
switch kind {
case reflect.Struct, reflect.Map:
contentType = jsonContentType
case reflect.String:
contentType = plainTextType
default:
if b, ok := body.([]byte); ok {
contentType = http.DetectContentType(b)
} else if kind == reflect.Slice {
contentType = jsonContentType
}
}
return contentType
}
// IsJSONType method is to check JSON content type or not
func IsJSONType(ct string) bool {
return jsonCheck.MatchString(ct)
}
// IsXMLType method is to check XML content type or not
func IsXMLType(ct string) bool {
return xmlCheck.MatchString(ct)
}
// Unmarshal content into object from JSON or XML
// Deprecated: kept for backward compatibility
func Unmarshal(ct string, b []byte, d interface{}) (err error) {
if IsJSONType(ct) {
err = json.Unmarshal(b, d)
} else if IsXMLType(ct) {
err = xml.Unmarshal(b, d)
}
return
}
// Unmarshalc content into object from JSON or XML
func Unmarshalc(c *Client, ct string, b []byte, d interface{}) (err error) {
if IsJSONType(ct) {
err = c.JSONUnmarshal(b, d)
} else if IsXMLType(ct) {
err = xml.Unmarshal(b, d)
}
return
}
// way to disable the HTML escape as opt-in
func jsonMarshal(c *Client, r *Request, d interface{}) ([]byte, error) {
if !r.jsonEscapeHTML {
return noescapeJSONMarshal(d)
} else if !c.jsonEscapeHTML {
return noescapeJSONMarshal(d)
}
return c.JSONMarshal(d)
}
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
// Package Unexported methods
//___________________________________
func firstNonEmpty(v ...string) string {
for _, s := range v {
if !IsStringEmpty(s) {
return s
}
}
return ""
}
func getLogger(w io.Writer) *log.Logger {
return log.New(w, "RESTY ", log.LstdFlags)
}
var quoteEscaper = strings.NewReplacer("\\", "\\\\", `"`, "\\\"")
func escapeQuotes(s string) string {
return quoteEscaper.Replace(s)
}
func createMultipartHeader(param, fileName, contentType string) textproto.MIMEHeader {
hdr := make(textproto.MIMEHeader)
hdr.Set("Content-Disposition", fmt.Sprintf(`form-data; name="%s"; filename="%s"`,
escapeQuotes(param), escapeQuotes(fileName)))
hdr.Set("Content-Type", contentType)
return hdr
}
func addMultipartFormField(w *multipart.Writer, mf *multipartField) error {
partWriter, err := w.CreatePart(createMultipartHeader(mf.Param, mf.FileName, mf.ContentType))
if err != nil {
return err
}
_, err = io.Copy(partWriter, mf.Reader)
return err
}
func writeMultipartFormFile(w *multipart.Writer, fieldName, fileName string, r io.Reader) error {
// Auto detect actual multipart content type
cbuf := make([]byte, 512)
size, err := r.Read(cbuf)
if err != nil {
return err
}
partWriter, err := w.CreatePart(createMultipartHeader(fieldName, fileName, http.DetectContentType(cbuf)))
if err != nil {
return err
}
if _, err = partWriter.Write(cbuf[:size]); err != nil {
return err
}
_, err = io.Copy(partWriter, r)
return err
}
func addFile(w *multipart.Writer, fieldName, path string) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer closeq(file)
return writeMultipartFormFile(w, fieldName, filepath.Base(path), file)
}
func addFileReader(w *multipart.Writer, f *File) error {
return writeMultipartFormFile(w, f.ParamName, f.Name, f.Reader)
}
func getPointer(v interface{}) interface{} {
vv := valueOf(v)
if vv.Kind() == reflect.Ptr {
return v
}
return reflect.New(vv.Type()).Interface()
}
func isPayloadSupported(m string, allowMethodGet bool) bool {
return !(m == MethodHead || m == MethodOptions || (m == MethodGet && !allowMethodGet))
}
func typeOf(i interface{}) reflect.Type {
return indirect(valueOf(i)).Type()
}
func valueOf(i interface{}) reflect.Value {
return reflect.ValueOf(i)
}
func indirect(v reflect.Value) reflect.Value {
return reflect.Indirect(v)
}
func kindOf(v interface{}) reflect.Kind {
return typeOf(v).Kind()
}
func createDirectory(dir string) (err error) {
if _, err = os.Stat(dir); err != nil {
if os.IsNotExist(err) {
if err = os.MkdirAll(dir, 0755); err != nil {
return
}
}
}
return
}
func canJSONMarshal(contentType string, kind reflect.Kind) bool {
return IsJSONType(contentType) && (kind == reflect.Struct || kind == reflect.Map)
}
func functionName(i interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
}
func acquireBuffer() *bytes.Buffer {
return bufPool.Get().(*bytes.Buffer)
}
func releaseBuffer(buf *bytes.Buffer) {
if buf != nil {
buf.Reset()
bufPool.Put(buf)
}
}
func closeq(v interface{}) {
if c, ok := v.(io.Closer); ok {
sliently(c.Close())
}
}
func sliently(_ ...interface{}) {}
func composeHeaders(hdrs http.Header) string {
var str []string
for _, k := range sortHeaderKeys(hdrs) {
str = append(str, fmt.Sprintf("%25s: %s", k, strings.Join(hdrs[k], ", ")))
}
return strings.Join(str, "\n")
}
func sortHeaderKeys(hdrs http.Header) []string {
var keys []string
for key := range hdrs {
keys = append(keys, key)
}
sort.Strings(keys)
return keys
}