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gonextcloud
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Nextcloud API Client, Uers/Response types, User list/search/get/create/delete

This commit is contained in:
Philippe-Adrien Nousse 2018-07-05 12:50:56 +02:00
commit 48fa0d6642
28 changed files with 13714 additions and 0 deletions
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.gitignore vendored Normal file
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# Created by .ignore support plugin (hsz.mobi)
### Go template
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, build with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
### JetBrains template
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
.idea
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/dictionaries
.idea/**/shelf
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# CMake
cmake-build-debug/
cmake-build-release/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
main.go

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README.md Normal file
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# [WIP] Nextcloud Go API Client
A simple Client for Nextcloud's API in Go.
## TODO
- [Auth](#authentication)
- ~~login~~
- ~~logout~~
- [Users](#users)
- ~~search~~
- ~~list~~
- ~~get infos~~
- ~~create~~
- update
- ~~delete~~
- enable
- disable
- get groups
- add to group
- remove from group
- get subadmin group
- promote subadmin
- demote subadmin
- send welcome mail
- [Groups](#groups)
- create
- delete
- get members
- get subadmins
- [Apps](#apps)
- list
- get infos
- enable
- disable
# Getting started
## Authentication
```go
package main
import (
"fmt"
"github.com/partitio/gonextcloud/client"
)
func main() {
url := "https://www.mynextcloud.com"
username := "admin"
password := "password"
c, err := client.NewClient(url)
if err != nil {
panic(err)
}
if err := c.Login(username, password); err != nil {
panic(err)
}
defer c.Logout()
}
````
##Users
List :
```go
func (c *Client) UserList() ([]string, error)
```
Search
```go
func (c *Client) UserSearch(search string) ([]string, error)
```
Get
```go
func (c *Client) User(name string) (*types.User, error)
```
Create
```go
func (c *Client) UserCreate(username string, password string) error
```
Delete
```go
func (c *Client) UserDelete(name string) error
```
## Groups
TODO
## Apps
TODO

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client/apps.go Normal file
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package client

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client/auth.go Normal file
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package client
import (
"fmt"
req "github.com/levigross/grequests"
"github.com/partitio/gonextcloud/client/types"
)
var unauthorized = fmt.Errorf("login first")
func (c *Client) Login(username string, password string) error {
c.username = username
c.password = password
options := req.RequestOptions{
Headers: c.headers,
Auth: []string{c.username, c.password},
}
c.session = req.NewSession(&options)
u := c.baseURL.ResolveReference(routes.capabilities)
r, err := c.session.Get(u.String(), nil)
if err != nil {
return err
}
var cs types.CapabilitiesResponse
r.JSON(&cs)
c.capabilities = &cs.Ocs.Data.Capabilities
return nil
}
func (c *Client) Logout() error {
c.session.CloseIdleConnections()
return nil
}
func (c *Client) loggedIn() bool {
return c.capabilities != nil
}

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client/client.go Normal file
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package client
import (
req "github.com/levigross/grequests"
"github.com/partitio/gonextcloud/client/types"
"net/url"
)
type Client struct {
baseURL *url.URL
username string
password string
session *req.Session
headers map[string]string
capabilities *types.Capabilities
}
func NewClient(hostname string) (*Client, error) {
baseURL, err := url.Parse(hostname)
if err != nil {
return nil, err
}
c := Client{
baseURL: baseURL,
headers: map[string]string{
"OCS-APIREQUEST": "true",
"Accept": "application/json",
},
}
return &c, nil
}

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client/groups.go Normal file
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package client

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client/routes.go Normal file
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package client
import "net/url"
type Routes struct {
capabilities *url.URL
users *url.URL
groups *url.URL
}
var (
apiPath = &url.URL{Path: "/ocs/v1.php/cloud"}
routes = Routes{
capabilities: &url.URL{Path: apiPath.Path + "/capabilities"},
users: &url.URL{Path: apiPath.Path + "/users"},
groups: &url.URL{Path: apiPath.Path + "/groups"},
}
badRequest = 998
)

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client/types/capabilities.go Normal file
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package types
type Capabilities struct {
Core struct {
Pollinterval int `json:"pollinterval"`
WebdavRoot string `json:"webdav-root"`
} `json:"core"`
Bruteforce struct {
Delay int `json:"delay"`
} `json:"bruteforce"`
Activity struct {
Apiv2 []string `json:"apiv2"`
} `json:"activity"`
Dav struct {
Chunking string `json:"chunking"`
} `json:"dav"`
FilesSharing struct {
APIEnabled bool `json:"api_enabled"`
Public struct {
Enabled bool `json:"enabled"`
Password struct {
Enforced bool `json:"enforced"`
} `json:"password"`
ExpireDate struct {
Enabled bool `json:"enabled"`
} `json:"expire_date"`
SendMail bool `json:"send_mail"`
Upload bool `json:"upload"`
UploadFilesDrop bool `json:"upload_files_drop"`
} `json:"public"`
Resharing bool `json:"resharing"`
User struct {
SendMail bool `json:"send_mail"`
ExpireDate struct {
Enabled bool `json:"enabled"`
} `json:"expire_date"`
} `json:"user"`
GroupSharing bool `json:"group_sharing"`
Group struct {
Enabled bool `json:"enabled"`
ExpireDate struct {
Enabled bool `json:"enabled"`
} `json:"expire_date"`
} `json:"group"`
Federation struct {
Outgoing bool `json:"outgoing"`
Incoming bool `json:"incoming"`
ExpireDate struct {
Enabled bool `json:"enabled"`
} `json:"expire_date"`
} `json:"federation"`
Sharebymail struct {
Enabled bool `json:"enabled"`
UploadFilesDrop struct {
Enabled bool `json:"enabled"`
} `json:"upload_files_drop"`
Password struct {
Enabled bool `json:"enabled"`
} `json:"password"`
ExpireDate struct {
Enabled bool `json:"enabled"`
} `json:"expire_date"`
} `json:"sharebymail"`
} `json:"files_sharing"`
Notifications struct {
OcsEndpoints []string `json:"ocs-endpoints"`
Push []string `json:"push"`
} `json:"notifications"`
PasswordPolicy struct {
MinLength int `json:"minLength"`
EnforceNonCommonPassword bool `json:"enforceNonCommonPassword"`
EnforceNumericCharacters bool `json:"enforceNumericCharacters"`
EnforceSpecialCharacters bool `json:"enforceSpecialCharacters"`
EnforceUpperLowerCase bool `json:"enforceUpperLowerCase"`
} `json:"password_policy"`
Theming struct {
Name string `json:"name"`
URL string `json:"url"`
Slogan string `json:"slogan"`
Color string `json:"color"`
ColorText string `json:"color-text"`
ColorElement string `json:"color-element"`
Logo string `json:"logo"`
Background string `json:"background"`
BackgroundPlain bool `json:"background-plain"`
BackgroundDefault bool `json:"background-default"`
} `json:"theming"`
Files struct {
Bigfilechunking bool `json:"bigfilechunking"`
BlacklistedFiles []string `json:"blacklisted_files"`
Undelete bool `json:"undelete"`
Versioning bool `json:"versioning"`
} `json:"files"`
}

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client/types/responses.go Normal file
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package types
type ErrorResponse struct {
Ocs struct {
Meta struct {
Status string `json:"status"`
Statuscode int `json:"statuscode"`
Message string `json:"message"`
Totalitems string `json:"totalitems"`
Itemsperpage string `json:"itemsperpage"`
} `json:"meta"`
Data []interface{} `json:"data"`
} `json:"ocs"`
}
type UserListResponse struct {
Ocs struct {
Meta struct {
Status string `json:"status"`
Statuscode int `json:"statuscode"`
Message string `json:"message"`
Totalitems string `json:"totalitems"`
Itemsperpage string `json:"itemsperpage"`
} `json:"meta"`
Data struct {
Users []string `json:"users"`
} `json:"data"`
} `json:"ocs"`
}
type UserResponse struct {
Ocs struct {
Meta struct {
Status string `json:"status"`
Statuscode int `json:"statuscode"`
Message string `json:"message"`
Totalitems string `json:"totalitems"`
Itemsperpage string `json:"itemsperpage"`
} `json:"meta"`
Data User `json:"data"`
} `json:"ocs"`
}
type GroupListResponse struct {
Ocs struct {
Meta struct {
Status string `json:"status"`
Statuscode int `json:"statuscode"`
Message string `json:"message"`
Totalitems string `json:"totalitems"`
Itemsperpage string `json:"itemsperpage"`
} `json:"meta"`
Data struct {
Groups []string `json:"groups"`
} `json:"data"`
} `json:"ocs"`
}
type CapabilitiesResponse struct {
Ocs struct {
Meta struct {
Status string `json:"status"`
Statuscode int `json:"statuscode"`
Message string `json:"message"`
Totalitems string `json:"totalitems"`
Itemsperpage string `json:"itemsperpage"`
} `json:"meta"`
Data struct {
Version struct {
Major int `json:"major"`
Minor int `json:"minor"`
Micro int `json:"micro"`
String string `json:"string"`
Edition string `json:"edition"`
} `json:"version"`
Capabilities Capabilities `json:"capabilities"`
} `json:"data"`
} `json:"ocs"`
}

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client/types/user.go Normal file
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package types
type User struct {
Enabled string `json:"enabled"`
ID string `json:"id"`
Quota struct {
Free int64 `json:"free"`
Used int `json:"used"`
Total int64 `json:"total"`
Relative float64 `json:"relative"`
Quota int `json:"quota"`
} `json:"quota"`
Email string `json:"email"`
Displayname string `json:"displayname"`
Phone string `json:"phone"`
Address string `json:"address"`
Website string `json:"website"`
Twitter string `json:"twitter"`
Groups []string `json:"groups"`
Language string `json:"language"`
}

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client/users.go Normal file
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package client
import (
"fmt"
req "github.com/levigross/grequests"
"github.com/partitio/gonextcloud/client/types"
"path"
)
func (c *Client) UserList() ([]string, error) {
if !c.loggedIn() {
return nil, unauthorized
}
u := c.baseURL.ResolveReference(routes.users)
res, err := c.session.Get(u.String(), nil)
if err != nil {
return nil, err
}
var ul types.UserListResponse
res.JSON(&ul)
return ul.Ocs.Data.Users, nil
}
func (c *Client) User(name string) (*types.User, error) {
if !c.loggedIn() {
return nil, unauthorized
}
u := c.baseURL.ResolveReference(routes.users)
u.Path = path.Join(u.Path, name)
res, err := c.session.Get(u.String(), nil)
if err != nil {
return nil, err
}
var ur types.UserResponse
res.JSON(&ur)
if ur.Ocs.Meta.Statuscode != 100 {
return nil, fmt.Errorf(ur.Ocs.Meta.Message)
}
return &ur.Ocs.Data, nil
}
func (c *Client) UserSearch(search string) ([]string, error) {
if !c.loggedIn() {
return nil, unauthorized
}
u := c.baseURL.ResolveReference(routes.users)
ro := &req.RequestOptions{
Params: map[string]string{"search": search},
}
res, err := c.session.Get(u.String(), ro)
if err != nil {
return nil, err
}
var r types.UserListResponse
res.JSON(&r)
if r.Ocs.Meta.Statuscode != 100 {
return nil, fmt.Errorf(r.Ocs.Meta.Message)
}
return r.Ocs.Data.Users, nil
}
func (c *Client) UserCreate(username string, password string) error {
if !c.loggedIn() {
return unauthorized
}
u := c.baseURL.ResolveReference(routes.users)
ro := &req.RequestOptions{
Data: map[string]string{
"userid": username,
"password": password,
},
}
res, err := c.session.Post(u.String(), ro)
if err != nil {
return err
}
fmt.Println(res.String())
var r types.UserResponse
res.JSON(&r)
if r.Ocs.Meta.Statuscode != 100 {
return fmt.Errorf(r.Ocs.Meta.Message)
}
return nil
}
func (c *Client) UserDelete(name string) error {
if !c.loggedIn() {
return unauthorized
}
u := c.baseURL.ResolveReference(routes.users)
u.Path = path.Join(u.Path, name)
res, err := c.session.Delete(u.String(), nil)
if err != nil {
return err
}
var ur types.UserResponse
fmt.Println(res.String())
res.JSON(&ur)
if ur.Ocs.Meta.Statuscode != 100 {
return fmt.Errorf(ur.Ocs.Meta.Message)
}
return nil
}

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gonextcloud.iml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="Go" enabled="true" />
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

27
vendor/github.com/google/go-querystring/LICENSE generated vendored Normal file
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Copyright (c) 2013 Google. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

320
vendor/github.com/google/go-querystring/query/encode.go generated vendored Normal file
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package query implements encoding of structs into URL query parameters.
//
// As a simple example:
//
// type Options struct {
// Query string `url:"q"`
// ShowAll bool `url:"all"`
// Page int `url:"page"`
// }
//
// opt := Options{ "foo", true, 2 }
// v, _ := query.Values(opt)
// fmt.Print(v.Encode()) // will output: "q=foo&all=true&page=2"
//
// The exact mapping between Go values and url.Values is described in the
// documentation for the Values() function.
package query
import (
"bytes"
"fmt"
"net/url"
"reflect"
"strconv"
"strings"
"time"
)
var timeType = reflect.TypeOf(time.Time{})
var encoderType = reflect.TypeOf(new(Encoder)).Elem()
// Encoder is an interface implemented by any type that wishes to encode
// itself into URL values in a non-standard way.
type Encoder interface {
EncodeValues(key string, v *url.Values) error
}
// Values returns the url.Values encoding of v.
//
// Values expects to be passed a struct, and traverses it recursively using the
// following encoding rules.
//
// Each exported struct field is encoded as a URL parameter unless
//
// - the field's tag is "-", or
// - the field is empty and its tag specifies the "omitempty" option
//
// The empty values are false, 0, any nil pointer or interface value, any array
// slice, map, or string of length zero, and any time.Time that returns true
// for IsZero().
//
// The URL parameter name defaults to the struct field name but can be
// specified in the struct field's tag value. The "url" key in the struct
// field's tag value is the key name, followed by an optional comma and
// options. For example:
//
// // Field is ignored by this package.
// Field int `url:"-"`
//
// // Field appears as URL parameter "myName".
// Field int `url:"myName"`
//
// // Field appears as URL parameter "myName" and the field is omitted if
// // its value is empty
// Field int `url:"myName,omitempty"`
//
// // Field appears as URL parameter "Field" (the default), but the field
// // is skipped if empty. Note the leading comma.
// Field int `url:",omitempty"`
//
// For encoding individual field values, the following type-dependent rules
// apply:
//
// Boolean values default to encoding as the strings "true" or "false".
// Including the "int" option signals that the field should be encoded as the
// strings "1" or "0".
//
// time.Time values default to encoding as RFC3339 timestamps. Including the
// "unix" option signals that the field should be encoded as a Unix time (see
// time.Unix())
//
// Slice and Array values default to encoding as multiple URL values of the
// same name. Including the "comma" option signals that the field should be
// encoded as a single comma-delimited value. Including the "space" option
// similarly encodes the value as a single space-delimited string. Including
// the "semicolon" option will encode the value as a semicolon-delimited string.
// Including the "brackets" option signals that the multiple URL values should
// have "[]" appended to the value name. "numbered" will append a number to
// the end of each incidence of the value name, example:
// name0=value0&name1=value1, etc.
//
// Anonymous struct fields are usually encoded as if their inner exported
// fields were fields in the outer struct, subject to the standard Go
// visibility rules. An anonymous struct field with a name given in its URL
// tag is treated as having that name, rather than being anonymous.
//
// Non-nil pointer values are encoded as the value pointed to.
//
// Nested structs are encoded including parent fields in value names for
// scoping. e.g:
//
// "user[name]=acme&user[addr][postcode]=1234&user[addr][city]=SFO"
//
// All other values are encoded using their default string representation.
//
// Multiple fields that encode to the same URL parameter name will be included
// as multiple URL values of the same name.
func Values(v interface{}) (url.Values, error) {
values := make(url.Values)
val := reflect.ValueOf(v)
for val.Kind() == reflect.Ptr {
if val.IsNil() {
return values, nil
}
val = val.Elem()
}
if v == nil {
return values, nil
}
if val.Kind() != reflect.Struct {
return nil, fmt.Errorf("query: Values() expects struct input. Got %v", val.Kind())
}
err := reflectValue(values, val, "")
return values, err
}
// reflectValue populates the values parameter from the struct fields in val.
// Embedded structs are followed recursively (using the rules defined in the
// Values function documentation) breadth-first.
func reflectValue(values url.Values, val reflect.Value, scope string) error {
var embedded []reflect.Value
typ := val.Type()
for i := 0; i < typ.NumField(); i++ {
sf := typ.Field(i)
if sf.PkgPath != "" && !sf.Anonymous { // unexported
continue
}
sv := val.Field(i)
tag := sf.Tag.Get("url")
if tag == "-" {
continue
}
name, opts := parseTag(tag)
if name == "" {
if sf.Anonymous && sv.Kind() == reflect.Struct {
// save embedded struct for later processing
embedded = append(embedded, sv)
continue
}
name = sf.Name
}
if scope != "" {
name = scope + "[" + name + "]"
}
if opts.Contains("omitempty") && isEmptyValue(sv) {
continue
}
if sv.Type().Implements(encoderType) {
if !reflect.Indirect(sv).IsValid() {
sv = reflect.New(sv.Type().Elem())
}
m := sv.Interface().(Encoder)
if err := m.EncodeValues(name, &values); err != nil {
return err
}
continue
}
if sv.Kind() == reflect.Slice || sv.Kind() == reflect.Array {
var del byte
if opts.Contains("comma") {
del = ','
} else if opts.Contains("space") {
del = ' '
} else if opts.Contains("semicolon") {
del = ';'
} else if opts.Contains("brackets") {
name = name + "[]"
}
if del != 0 {
s := new(bytes.Buffer)
first := true
for i := 0; i < sv.Len(); i++ {
if first {
first = false
} else {
s.WriteByte(del)
}
s.WriteString(valueString(sv.Index(i), opts))
}
values.Add(name, s.String())
} else {
for i := 0; i < sv.Len(); i++ {
k := name
if opts.Contains("numbered") {
k = fmt.Sprintf("%s%d", name, i)
}
values.Add(k, valueString(sv.Index(i), opts))
}
}
continue
}
for sv.Kind() == reflect.Ptr {
if sv.IsNil() {
break
}
sv = sv.Elem()
}
if sv.Type() == timeType {
values.Add(name, valueString(sv, opts))
continue
}
if sv.Kind() == reflect.Struct {
reflectValue(values, sv, name)
continue
}
values.Add(name, valueString(sv, opts))
}
for _, f := range embedded {
if err := reflectValue(values, f, scope); err != nil {
return err
}
}
return nil
}
// valueString returns the string representation of a value.
func valueString(v reflect.Value, opts tagOptions) string {
for v.Kind() == reflect.Ptr {
if v.IsNil() {
return ""
}
v = v.Elem()
}
if v.Kind() == reflect.Bool && opts.Contains("int") {
if v.Bool() {
return "1"
}
return "0"
}
if v.Type() == timeType {
t := v.Interface().(time.Time)
if opts.Contains("unix") {
return strconv.FormatInt(t.Unix(), 10)
}
return t.Format(time.RFC3339)
}
return fmt.Sprint(v.Interface())
}
// isEmptyValue checks if a value should be considered empty for the purposes
// of omitting fields with the "omitempty" option.
func isEmptyValue(v reflect.Value) bool {
switch v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Interface, reflect.Ptr:
return v.IsNil()
}
if v.Type() == timeType {
return v.Interface().(time.Time).IsZero()
}
return false
}
// tagOptions is the string following a comma in a struct field's "url" tag, or
// the empty string. It does not include the leading comma.
type tagOptions []string
// parseTag splits a struct field's url tag into its name and comma-separated
// options.
func parseTag(tag string) (string, tagOptions) {
s := strings.Split(tag, ",")
return s[0], s[1:]
}
// Contains checks whether the tagOptions contains the specified option.
func (o tagOptions) Contains(option string) bool {
for _, s := range o {
if s == option {
return true
}
}
return false
}

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vendor/github.com/levigross/grequests/LICENSE generated vendored Normal file
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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# GRequests
A Go "clone" of the great and famous Requests library
[![Build Status](https://travis-ci.org/levigross/grequests.svg?branch=master)](https://travis-ci.org/levigross/grequests) [![GoDoc](https://godoc.org/github.com/levigross/grequests?status.svg)](https://godoc.org/github.com/levigross/grequests)
[![Coverage Status](https://coveralls.io/repos/levigross/grequests/badge.svg)](https://coveralls.io/r/levigross/grequests)
[![Join the chat at https://gitter.im/levigross/grequests](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/levigross/grequests?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
License
======
GRequests is licensed under the Apache License, Version 2.0. See [LICENSE](LICENSE) for the full license text
Features
========
- Responses can be serialized into JSON and XML
- Easy file uploads
- Easy file downloads
- Support for the following HTTP verbs `GET, HEAD, POST, PUT, DELETE, PATCH, OPTIONS`
Install
=======
`go get -u github.com/levigross/grequests`
Usage
======
`import "github.com/levigross/grequests"`
Basic Examples
=========
Basic GET request:
```go
resp, err := grequests.Get("http://httpbin.org/get", nil)
// You can modify the request by passing an optional RequestOptions struct
if err != nil {
log.Fatalln("Unable to make request: ", err)
}
fmt.Println(resp.String())
// {
// "args": {},
// "headers": {
// "Accept": "*/*",
// "Host": "httpbin.org",
```
If an error occurs all of the other properties and methods of a `Response` will be `nil`
Quirks
=======
## Request Quirks
When passing parameters to be added to a URL, if the URL has existing parameters that *_contradict_* with what has been passed within `Params` – `Params` will be the "source of authority" and overwrite the contradicting URL parameter.
Lets see how it works...
```go
ro := &RequestOptions{
Params: map[string]string{"Hello": "Goodbye"},
}
Get("http://httpbin.org/get?Hello=World", ro)
// The URL is now http://httpbin.org/get?Hello=Goodbye
```
## Response Quirks
Order matters! This is because `grequests.Response` is implemented as an `io.ReadCloser` which proxies the *http.Response.Body* `io.ReadCloser` interface. It also includes an internal buffer for use in `Response.String()` and `Response.Bytes()`.
Here are a list of methods that consume the *http.Response.Body* `io.ReadCloser` interface.
- Response.JSON
- Response.XML
- Response.DownloadToFile
- Response.Close
- Response.Read
The following methods make use of an internal byte buffer
- Response.String
- Response.Bytes
In the code below, once the file is downloaded – the `Response` struct no longer has access to the request bytes
```go
response := Get("http://some-wonderful-file.txt", nil)
if err := response.DownloadToFile("randomFile"); err != nil {
log.Println("Unable to download file: ", err)
}
// At this point the .String and .Bytes method will return empty responses
response.Bytes() == nil // true
response.String() == "" // true
```
But if we were to call `response.Bytes()` or `response.String()` first, every operation will succeed until the internal buffer is cleared:
```go
response := Get("http://some-wonderful-file.txt", nil)
// This call to .Bytes caches the request bytes in an internal byte buffer – which can be used again and again until it is cleared
response.Bytes() == `file-bytes`
response.String() == "file-string"
// This will work because it will use the internal byte buffer
if err := resp.DownloadToFile("randomFile"); err != nil {
log.Println("Unable to download file: ", err)
}
// Now if we clear the internal buffer....
response.ClearInternalBuffer()
// At this point the .String and .Bytes method will return empty responses
response.Bytes() == nil // true
response.String() == "" // true
```
# grequests
`import "github.com/levigross/grequests"`
* [Overview](#pkg-overview)
* [Index](#pkg-index)
* [Examples](#pkg-examples)
## <a name="pkg-overview">Overview</a>
Package grequests implements a friendly API over Go's existing net/http library
## <a name="pkg-index">Index</a>
* [Variables](#pkg-variables)
* [func BuildHTTPClient(ro RequestOptions) *http.Client](#BuildHTTPClient)
* [func EnsureTransporterFinalized(httpTransport *http.Transport)](#EnsureTransporterFinalized)
* [func FileUploadFromDisk(fileName string) ([]FileUpload, error)](#FileUploadFromDisk)
* [func FileUploadFromGlob(fileSystemGlob string) ([]FileUpload, error)](#FileUploadFromGlob)
* [type FileUpload](#FileUpload)
* [type RequestOptions](#RequestOptions)
* [type Response](#Response)
* [func Delete(url string, ro *RequestOptions) (*Response, error)](#Delete)
* [func Get(url string, ro *RequestOptions) (*Response, error)](#Get)
* [func Head(url string, ro *RequestOptions) (*Response, error)](#Head)
* [func Options(url string, ro *RequestOptions) (*Response, error)](#Options)
* [func Patch(url string, ro *RequestOptions) (*Response, error)](#Patch)
* [func Post(url string, ro *RequestOptions) (*Response, error)](#Post)
* [func Put(url string, ro *RequestOptions) (*Response, error)](#Put)
* [func (r *Response) Bytes() []byte](#Response.Bytes)
* [func (r *Response) ClearInternalBuffer()](#Response.ClearInternalBuffer)
* [func (r *Response) Close() error](#Response.Close)
* [func (r *Response) DownloadToFile(fileName string) error](#Response.DownloadToFile)
* [func (r *Response) JSON(userStruct interface{}) error](#Response.JSON)
* [func (r *Response) Read(p []byte) (n int, err error)](#Response.Read)
* [func (r *Response) String() string](#Response.String)
* [func (r *Response) XML(userStruct interface{}, charsetReader XMLCharDecoder) error](#Response.XML)
* [type Session](#Session)
* [func NewSession(ro *RequestOptions) *Session](#NewSession)
* [func (s *Session) CloseIdleConnections()](#Session.CloseIdleConnections)
* [func (s *Session) Delete(url string, ro *RequestOptions) (*Response, error)](#Session.Delete)
* [func (s *Session) Get(url string, ro *RequestOptions) (*Response, error)](#Session.Get)
* [func (s *Session) Head(url string, ro *RequestOptions) (*Response, error)](#Session.Head)
* [func (s *Session) Options(url string, ro *RequestOptions) (*Response, error)](#Session.Options)
* [func (s *Session) Patch(url string, ro *RequestOptions) (*Response, error)](#Session.Patch)
* [func (s *Session) Post(url string, ro *RequestOptions) (*Response, error)](#Session.Post)
* [func (s *Session) Put(url string, ro *RequestOptions) (*Response, error)](#Session.Put)
* [type XMLCharDecoder](#XMLCharDecoder)
#### <a name="pkg-examples">Examples</a>
* [Package (AcceptInvalidTLSCert)](#example__acceptInvalidTLSCert)
* [Package (BasicAuth)](#example__basicAuth)
* [Package (BasicGet)](#example__basicGet)
* [Package (BasicGetCustomHTTPClient)](#example__basicGetCustomHTTPClient)
* [Package (Cookies)](#example__cookies)
* [Package (CustomHTTPHeader)](#example__customHTTPHeader)
* [Package (CustomUserAgent)](#example__customUserAgent)
* [Package (DownloadFile)](#example__downloadFile)
* [Package (PostFileUpload)](#example__postFileUpload)
* [Package (PostForm)](#example__postForm)
* [Package (PostJSONAJAX)](#example__postJSONAJAX)
* [Package (PostXML)](#example__postXML)
* [Package (Proxy)](#example__proxy)
* [Package (Session)](#example__session)
* [Package (UrlQueryParams)](#example__urlQueryParams)
#### <a name="pkg-files">Package files</a>
[base.go](/src/github.com/levigross/grequests/base.go) [file_upload.go](/src/github.com/levigross/grequests/file_upload.go) [request.go](/src/github.com/levigross/grequests/request.go) [response.go](/src/github.com/levigross/grequests/response.go) [session.go](/src/github.com/levigross/grequests/session.go) [utils.go](/src/github.com/levigross/grequests/utils.go)
## <a name="pkg-variables">Variables</a>
``` go
var (
// ErrRedirectLimitExceeded is the error returned when the request responded
// with too many redirects
ErrRedirectLimitExceeded = errors.New("grequests: Request exceeded redirect count")
// RedirectLimit is a tunable variable that specifies how many times we can
// redirect in response to a redirect. This is the global variable, if you
// wish to set this on a request by request basis, set it within the
// `RequestOptions` structure
RedirectLimit = 30
// SensitiveHTTPHeaders is a map of sensitive HTTP headers that a user
// doesn't want passed on a redirect. This is the global variable, if you
// wish to set this on a request by request basis, set it within the
// `RequestOptions` structure
SensitiveHTTPHeaders = map[string]struct{}{
"Www-Authenticate": {},
"Authorization": {},
"Proxy-Authorization": {},
}
)
```
## <a name="BuildHTTPClient">func</a> [BuildHTTPClient](/src/target/request.go?s=11478:11530#L405)
``` go
func BuildHTTPClient(ro RequestOptions) *http.Client
```
BuildHTTPClient is a function that will return a custom HTTP client based on the request options provided
the check is in UseDefaultClient
## <a name="EnsureTransporterFinalized">func</a> [EnsureTransporterFinalized](/src/target/utils.go?s=2482:2544#L79)
``` go
func EnsureTransporterFinalized(httpTransport *http.Transport)
```
EnsureTransporterFinalized will ensure that when the HTTP client is GCed
the runtime will close the idle connections (so that they won't leak)
this function was adopted from Hashicorp's go-cleanhttp package
## <a name="FileUploadFromDisk">func</a> [FileUploadFromDisk](/src/target/file_upload.go?s=625:687#L14)
``` go
func FileUploadFromDisk(fileName string) ([]FileUpload, error)
```
FileUploadFromDisk allows you to create a FileUpload struct slice by just specifying a location on the disk
## <a name="FileUploadFromGlob">func</a> [FileUploadFromGlob](/src/target/file_upload.go?s=1068:1136#L27)
``` go
func FileUploadFromGlob(fileSystemGlob string) ([]FileUpload, error)
```
FileUploadFromGlob allows you to create a FileUpload struct slice by just specifying a glob location on the disk
this function will gloss over all errors in the files and only upload the files that don't return errors from the glob
## <a name="FileUpload">type</a> [FileUpload](/src/target/file_upload.go?s=162:512#L2)
``` go
type FileUpload struct {
// Filename is the name of the file that you wish to upload. We use this to guess the mimetype as well as pass it onto the server
FileName string
// FileContents is happy as long as you pass it a io.ReadCloser (which most file use anyways)
FileContents io.ReadCloser
// FieldName is form field name
FieldName string
}
```
FileUpload is a struct that is used to specify the file that a User
wishes to upload.
## <a name="RequestOptions">type</a> [RequestOptions](/src/target/request.go?s=357:4258#L18)
``` go
type RequestOptions struct {
// Data is a map of key values that will eventually convert into the
// query string of a GET request or the body of a POST request.
Data map[string]string
// Params is a map of query strings that may be used within a GET request
Params map[string]string
// QueryStruct is a struct that encapsulates a set of URL query params
// this paramter is mutually exclusive with `Params map[string]string` (they cannot be combined)
// for more information please see https://godoc.org/github.com/google/go-querystring/query
QueryStruct interface{}
// Files is where you can include files to upload. The use of this data
// structure is limited to POST requests
Files []FileUpload
// JSON can be used when you wish to send JSON within the request body
JSON interface{}
// XML can be used if you wish to send XML within the request body
XML interface{}
// Headers if you want to add custom HTTP headers to the request,
// this is your friend
Headers map[string]string
// InsecureSkipVerify is a flag that specifies if we should validate the
// server's TLS certificate. It should be noted that Go's TLS verify mechanism
// doesn't validate if a certificate has been revoked
InsecureSkipVerify bool
// DisableCompression will disable gzip compression on requests
DisableCompression bool
// UserAgent allows you to set an arbitrary custom user agent
UserAgent string
// Host allows you to set an arbitrary custom host
Host string
// Auth allows you to specify a user name and password that you wish to
// use when requesting the URL. It will use basic HTTP authentication
// formatting the username and password in base64 the format is:
// []string{username, password}
Auth []string
// IsAjax is a flag that can be set to make the request appear
// to be generated by browser Javascript
IsAjax bool
// Cookies is an array of `http.Cookie` that allows you to attach
// cookies to your request
Cookies []*http.Cookie
// UseCookieJar will create a custom HTTP client that will
// process and store HTTP cookies when they are sent down
UseCookieJar bool
// Proxies is a map in the following format
// *protocol* => proxy address e.g http => http://127.0.0.1:8080
Proxies map[string]*url.URL
// TLSHandshakeTimeout specifies the maximum amount of time waiting to
// wait for a TLS handshake. Zero means no timeout.
TLSHandshakeTimeout time.Duration
// DialTimeout is the maximum amount of time a dial will wait for
// a connect to complete.
DialTimeout time.Duration
// KeepAlive specifies the keep-alive period for an active
// network connection. If zero, keep-alive are not enabled.
DialKeepAlive time.Duration
// RequestTimeout is the maximum amount of time a whole request(include dial / request / redirect)
// will wait.
RequestTimeout time.Duration
// HTTPClient can be provided if you wish to supply a custom HTTP client
// this is useful if you want to use an OAUTH client with your request.
HTTPClient *http.Client
// SensitiveHTTPHeaders is a map of sensitive HTTP headers that a user
// doesn't want passed on a redirect.
SensitiveHTTPHeaders map[string]struct{}
// RedirectLimit is the acceptable amount of redirects that we should expect
// before returning an error be default this is set to 30. You can change this
// globally by modifying the `RedirectLimit` variable.
RedirectLimit int
// RequestBody allows you to put anything matching an `io.Reader` into the request
// this option will take precedence over any other request option specified
RequestBody io.Reader
// CookieJar allows you to specify a special cookiejar to use with your request.
// this option will take precedence over the `UseCookieJar` option above.
CookieJar http.CookieJar
// Context can be used to maintain state between requests https://golang.org/pkg/context/#Context
Context context.Context
}
```
RequestOptions is the location that of where the data
## <a name="Response">type</a> [Response](/src/target/response.go?s=181:806#L4)
``` go
type Response struct {
// Ok is a boolean flag that validates that the server returned a 2xx code
Ok bool
// This is the Go error flag – if something went wrong within the request, this flag will be set.
Error error
// We want to abstract (at least at the moment) the Go http.Response object away. So we are going to make use of it
// internal but not give the user access
RawResponse *http.Response
// StatusCode is the HTTP Status Code returned by the HTTP Response. Taken from resp.StatusCode
StatusCode int
// Header is a net/http/Header structure
Header http.Header
// contains filtered or unexported fields
}
```
Response is what is returned to a user when they fire off a request
### <a name="Delete">func</a> [Delete](/src/target/base.go?s=1221:1283#L22)
``` go
func Delete(url string, ro *RequestOptions) (*Response, error)
```
Delete takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Get">func</a> [Get](/src/target/base.go?s=300:359#L1)
``` go
func Get(url string, ro *RequestOptions) (*Response, error)
```
Get takes 2 parameters and returns a Response Struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Head">func</a> [Head](/src/target/base.go?s=1841:1901#L38)
``` go
func Head(url string, ro *RequestOptions) (*Response, error)
```
Head takes 2 parameters and returns a Response channel. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Options">func</a> [Options](/src/target/base.go?s=2151:2214#L46)
``` go
func Options(url string, ro *RequestOptions) (*Response, error)
```
Options takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Patch">func</a> [Patch](/src/target/base.go?s=910:971#L14)
``` go
func Patch(url string, ro *RequestOptions) (*Response, error)
```
Patch takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Post">func</a> [Post](/src/target/base.go?s=1533:1593#L30)
``` go
func Post(url string, ro *RequestOptions) (*Response, error)
```
Post takes 2 parameters and returns a Response channel. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Put">func</a> [Put](/src/target/base.go?s=604:663#L6)
``` go
func Put(url string, ro *RequestOptions) (*Response, error)
```
Put takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
### <a name="Response.Bytes">func</a> (\*Response) [Bytes](/src/target/response.go?s=4298:4331#L169)
``` go
func (r *Response) Bytes() []byte
```
Bytes returns the response as a byte array
### <a name="Response.ClearInternalBuffer">func</a> (\*Response) [ClearInternalBuffer](/src/target/response.go?s=4920:4960#L198)
``` go
func (r *Response) ClearInternalBuffer()
```
ClearInternalBuffer is a function that will clear the internal buffer that we use to hold the .String() and .Bytes()
data. Once you have used these functions – you may want to free up the memory.
### <a name="Response.Close">func</a> (\*Response) [Close](/src/target/response.go?s=1793:1825#L55)
``` go
func (r *Response) Close() error
```
Close is part of our ability to support io.ReadCloser if someone wants to make use of the raw body
### <a name="Response.DownloadToFile">func</a> (\*Response) [DownloadToFile](/src/target/response.go?s=2018:2074#L67)
``` go
func (r *Response) DownloadToFile(fileName string) error
```
DownloadToFile allows you to download the contents of the response to a file
### <a name="Response.JSON">func</a> (\*Response) [JSON](/src/target/response.go?s=3300:3353#L124)
``` go
func (r *Response) JSON(userStruct interface{}) error
```
JSON is a method that will populate a struct that is provided `userStruct` with the JSON returned within the
response body
### <a name="Response.Read">func</a> (\*Response) [Read](/src/target/response.go?s=1551:1603#L45)
``` go
func (r *Response) Read(p []byte) (n int, err error)
```
Read is part of our ability to support io.ReadCloser if someone wants to make use of the raw body
### <a name="Response.String">func</a> (\*Response) [String](/src/target/response.go?s=4568:4602#L186)
``` go
func (r *Response) String() string
```
String returns the response as a string
### <a name="Response.XML">func</a> (\*Response) [XML](/src/target/response.go?s=2792:2874#L101)
``` go
func (r *Response) XML(userStruct interface{}, charsetReader XMLCharDecoder) error
```
XML is a method that will populate a struct that is provided `userStruct` with the XML returned within the
response body
## <a name="Session">type</a> [Session](/src/target/session.go?s=125:314#L1)
``` go
type Session struct {
// RequestOptions is global options
RequestOptions *RequestOptions
// HTTPClient is the client that we will use to request the resources
HTTPClient *http.Client
}
```
Session allows a user to make use of persistent cookies in between
HTTP requests
### <a name="NewSession">func</a> [NewSession](/src/target/session.go?s=532:576#L8)
``` go
func NewSession(ro *RequestOptions) *Session
```
NewSession returns a session struct which enables can be used to maintain establish a persistent state with the
server
This function will set UseCookieJar to true as that is the purpose of using the session
### <a name="Session.CloseIdleConnections">func</a> (\*Session) [CloseIdleConnections](/src/target/session.go?s=4738:4778#L124)
``` go
func (s *Session) CloseIdleConnections()
```
CloseIdleConnections closes the idle connections that a session client may make use of
### <a name="Session.Delete">func</a> (\*Session) [Delete](/src/target/session.go?s=3120:3195#L88)
``` go
func (s *Session) Delete(url string, ro *RequestOptions) (*Response, error)
```
Delete takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Get">func</a> (\*Session) [Get](/src/target/session.go?s=1776:1848#L58)
``` go
func (s *Session) Get(url string, ro *RequestOptions) (*Response, error)
```
Get takes 2 parameters and returns a Response Struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Head">func</a> (\*Session) [Head](/src/target/session.go?s=4022:4095#L108)
``` go
func (s *Session) Head(url string, ro *RequestOptions) (*Response, error)
```
Head takes 2 parameters and returns a Response channel. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Options">func</a> (\*Session) [Options](/src/target/session.go?s=4473:4549#L118)
``` go
func (s *Session) Options(url string, ro *RequestOptions) (*Response, error)
```
Options takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Patch">func</a> (\*Session) [Patch](/src/target/session.go?s=2668:2742#L78)
``` go
func (s *Session) Patch(url string, ro *RequestOptions) (*Response, error)
```
Patch takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Post">func</a> (\*Session) [Post](/src/target/session.go?s=3573:3646#L98)
``` go
func (s *Session) Post(url string, ro *RequestOptions) (*Response, error)
```
Post takes 2 parameters and returns a Response channel. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
### <a name="Session.Put">func</a> (\*Session) [Put](/src/target/session.go?s=2221:2293#L68)
``` go
func (s *Session) Put(url string, ro *RequestOptions) (*Response, error)
```
Put takes 2 parameters and returns a Response struct. These two options are:
1. A URL
2. A RequestOptions struct
If you do not intend to use the `RequestOptions` you can just pass nil
A new session is created by calling NewSession with a request options struct
## <a name="XMLCharDecoder">type</a> [XMLCharDecoder](/src/target/utils.go?s=1529:1605#L42)
``` go
type XMLCharDecoder func(charset string, input io.Reader) (io.Reader, error)
```
XMLCharDecoder is a helper type that takes a stream of bytes (not encoded in
UTF-8) and returns a reader that encodes the bytes into UTF-8. This is done
because Go's XML library only supports XML encoded in UTF-8
- - -
Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md)

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// Package grequests implements a friendly API over Go's existing net/http library
package grequests
// Get takes 2 parameters and returns a Response Struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Get(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("GET", url, ro)
}
// Put takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Put(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("PUT", url, ro)
}
// Patch takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Patch(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("PATCH", url, ro)
}
// Delete takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Delete(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("DELETE", url, ro)
}
// Post takes 2 parameters and returns a Response channel. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Post(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("POST", url, ro)
}
// Head takes 2 parameters and returns a Response channel. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Head(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("HEAD", url, ro)
}
// Options takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Options(url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest("OPTIONS", url, ro)
}
// Req takes 3 parameters and returns a Response Struct. These three options are:
// 1. A verb
// 2. A URL
// 3. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
func Req(verb string, url string, ro *RequestOptions) (*Response, error) {
return doRegularRequest(verb, url, ro)
}

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package grequests
import (
"errors"
"io"
"os"
"path/filepath"
)
// FileUpload is a struct that is used to specify the file that a User
// wishes to upload.
type FileUpload struct {
// Filename is the name of the file that you wish to upload. We use this to guess the mimetype as well as pass it onto the server
FileName string
// FileContents is happy as long as you pass it a io.ReadCloser (which most file use anyways)
FileContents io.ReadCloser
// FieldName is form field name
FieldName string
// FileMime represents which mimetime should be sent along with the file.
// When empty, defaults to application/octet-stream
FileMime string
}
// FileUploadFromDisk allows you to create a FileUpload struct slice by just specifying a location on the disk
func FileUploadFromDisk(fileName string) ([]FileUpload, error) {
fd, err := os.Open(fileName)
if err != nil {
return nil, err
}
return []FileUpload{{FileContents: fd, FileName: fileName}}, nil
}
// FileUploadFromGlob allows you to create a FileUpload struct slice by just specifying a glob location on the disk
// this function will gloss over all errors in the files and only upload the files that don't return errors from the glob
func FileUploadFromGlob(fileSystemGlob string) ([]FileUpload, error) {
files, err := filepath.Glob(fileSystemGlob)
if err != nil {
return nil, err
}
if len(files) == 0 {
return nil, errors.New("grequests: No files have been returned in the glob")
}
filesToUpload := make([]FileUpload, 0, len(files))
for _, f := range files {
if s, err := os.Stat(f); err != nil || s.IsDir() {
continue
}
// ignoring error because I can stat the file
fd, _ := os.Open(f)
filesToUpload = append(filesToUpload, FileUpload{FileContents: fd, FileName: filepath.Base(fd.Name())})
}
return filesToUpload, nil
}

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package grequests
import (
"bytes"
"crypto/tls"
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"io"
"mime"
"mime/multipart"
"net"
"net/http"
"net/http/cookiejar"
"net/textproto"
"net/url"
"strconv"
"strings"
"time"
"github.com/google/go-querystring/query"
"context"
"golang.org/x/net/publicsuffix"
)
// RequestOptions is the location that of where the data
type RequestOptions struct {
// Data is a map of key values that will eventually convert into the
// query string of a GET request or the body of a POST request.
Data map[string]string
// Params is a map of query strings that may be used within a GET request
Params map[string]string
// QueryStruct is a struct that encapsulates a set of URL query params
// this paramter is mutually exclusive with `Params map[string]string` (they cannot be combined)
// for more information please see https://godoc.org/github.com/google/go-querystring/query
QueryStruct interface{}
// Files is where you can include files to upload. The use of this data
// structure is limited to POST requests
Files []FileUpload
// JSON can be used when you wish to send JSON within the request body
JSON interface{}
// XML can be used if you wish to send XML within the request body
XML interface{}
// Headers if you want to add custom HTTP headers to the request,
// this is your friend
Headers map[string]string
// InsecureSkipVerify is a flag that specifies if we should validate the
// server's TLS certificate. It should be noted that Go's TLS verify mechanism
// doesn't validate if a certificate has been revoked
InsecureSkipVerify bool
// DisableCompression will disable gzip compression on requests
DisableCompression bool
// UserAgent allows you to set an arbitrary custom user agent
UserAgent string
// Host allows you to set an arbitrary custom host
Host string
// Auth allows you to specify a user name and password that you wish to
// use when requesting the URL. It will use basic HTTP authentication
// formatting the username and password in base64 the format is:
// []string{username, password}
Auth []string
// IsAjax is a flag that can be set to make the request appear
// to be generated by browser Javascript
IsAjax bool
// Cookies is an array of `http.Cookie` that allows you to attach
// cookies to your request
Cookies []*http.Cookie
// UseCookieJar will create a custom HTTP client that will
// process and store HTTP cookies when they are sent down
UseCookieJar bool
// Proxies is a map in the following format
// *protocol* => proxy address e.g http => http://127.0.0.1:8080
Proxies map[string]*url.URL
// TLSHandshakeTimeout specifies the maximum amount of time waiting to
// wait for a TLS handshake. Zero means no timeout.
TLSHandshakeTimeout time.Duration
// DialTimeout is the maximum amount of time a dial will wait for
// a connect to complete.
DialTimeout time.Duration
// KeepAlive specifies the keep-alive period for an active
// network connection. If zero, keep-alive are not enabled.
DialKeepAlive time.Duration
// RequestTimeout is the maximum amount of time a whole request(include dial / request / redirect)
// will wait.
RequestTimeout time.Duration
// HTTPClient can be provided if you wish to supply a custom HTTP client
// this is useful if you want to use an OAUTH client with your request.
HTTPClient *http.Client
// SensitiveHTTPHeaders is a map of sensitive HTTP headers that a user
// doesn't want passed on a redirect.
SensitiveHTTPHeaders map[string]struct{}
// RedirectLimit is the acceptable amount of redirects that we should expect
// before returning an error be default this is set to 30. You can change this
// globally by modifying the `RedirectLimit` variable.
RedirectLimit int
// RequestBody allows you to put anything matching an `io.Reader` into the request
// this option will take precedence over any other request option specified
RequestBody io.Reader
// CookieJar allows you to specify a special cookiejar to use with your request.
// this option will take precedence over the `UseCookieJar` option above.
CookieJar http.CookieJar
// Context can be used to maintain state between requests https://golang.org/pkg/context/#Context
Context context.Context
}
func doRegularRequest(requestVerb, url string, ro *RequestOptions) (*Response, error) {
return buildResponse(buildRequest(requestVerb, url, ro, nil))
}
func doSessionRequest(requestVerb, url string, ro *RequestOptions, httpClient *http.Client) (*Response, error) {
return buildResponse(buildRequest(requestVerb, url, ro, httpClient))
}
var quoteEscaper = strings.NewReplacer("\\", "\\\\", `"`, "\\\"")
func escapeQuotes(s string) string {
return quoteEscaper.Replace(s)
}
// buildRequest is where most of the magic happens for request processing
func buildRequest(httpMethod, url string, ro *RequestOptions, httpClient *http.Client) (*http.Response, error) {
if ro == nil {
ro = &RequestOptions{}
}
if ro.CookieJar != nil {
ro.UseCookieJar = true
}
// Create our own HTTP client
if httpClient == nil {
httpClient = BuildHTTPClient(*ro)
}
var err error // we don't want to shadow url so we won't use :=
switch {
case len(ro.Params) != 0:
if url, err = buildURLParams(url, ro.Params); err != nil {
return nil, err
}
case ro.QueryStruct != nil:
if url, err = buildURLStruct(url, ro.QueryStruct); err != nil {
return nil, err
}
}
// Build the request
req, err := buildHTTPRequest(httpMethod, url, ro)
if err != nil {
return nil, err
}
// Do we need to add any HTTP headers or Basic Auth?
addHTTPHeaders(ro, req)
addCookies(ro, req)
addRedirectFunctionality(httpClient, ro)
if ro.Context != nil {
req = req.WithContext(ro.Context)
}
return httpClient.Do(req)
}
func buildHTTPRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
if ro.RequestBody != nil {
return http.NewRequest(httpMethod, userURL, ro.RequestBody)
}
if ro.JSON != nil {
return createBasicJSONRequest(httpMethod, userURL, ro)
}
if ro.XML != nil {
return createBasicXMLRequest(httpMethod, userURL, ro)
}
if ro.Files != nil {
return createFileUploadRequest(httpMethod, userURL, ro)
}
if ro.Data != nil {
return createBasicRequest(httpMethod, userURL, ro)
}
return http.NewRequest(httpMethod, userURL, nil)
}
func createFileUploadRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
if httpMethod == "POST" {
return createMultiPartPostRequest(httpMethod, userURL, ro)
}
// This may be a PUT or PATCH request so we will just put the raw
// io.ReadCloser in the request body
// and guess the MIME type from the file name
// At the moment, we will only support 1 file upload as a time
// when uploading using PUT or PATCH
req, err := http.NewRequest(httpMethod, userURL, ro.Files[0].FileContents)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", mime.TypeByExtension(ro.Files[0].FileName))
return req, nil
}
func createBasicXMLRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
var reader io.Reader
switch ro.XML.(type) {
case string:
reader = strings.NewReader(ro.XML.(string))
case []byte:
reader = bytes.NewReader(ro.XML.([]byte))
default:
byteSlice, err := xml.Marshal(ro.XML)
if err != nil {
return nil, err
}
reader = bytes.NewReader(byteSlice)
}
req, err := http.NewRequest(httpMethod, userURL, reader)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/xml")
return req, nil
}
func createMultiPartPostRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
requestBody := &bytes.Buffer{}
multipartWriter := multipart.NewWriter(requestBody)
for i, f := range ro.Files {
if f.FileContents == nil {
return nil, errors.New("grequests: Pointer FileContents cannot be nil")
}
fieldName := f.FieldName
if fieldName == "" {
if len(ro.Files) > 1 {
fieldName = strings.Join([]string{"file", strconv.Itoa(i + 1)}, "")
} else {
fieldName = "file"
}
}
var writer io.Writer
var err error
if f.FileMime != "" {
h := make(textproto.MIMEHeader)
h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="%s"; filename="%s"`, escapeQuotes(fieldName), escapeQuotes(f.FileName)))
h.Set("Content-Type", f.FileMime)
writer, err = multipartWriter.CreatePart(h)
} else {
writer, err = multipartWriter.CreateFormFile(fieldName, f.FileName)
}
if err != nil {
return nil, err
}
if _, err = io.Copy(writer, f.FileContents); err != nil && err != io.EOF {
return nil, err
}
f.FileContents.Close()
}
// Populate the other parts of the form (if there are any)
for key, value := range ro.Data {
multipartWriter.WriteField(key, value)
}
if err := multipartWriter.Close(); err != nil {
return nil, err
}
req, err := http.NewRequest(httpMethod, userURL, requestBody)
if err != nil {
return nil, err
}
req.Header.Add("Content-Type", multipartWriter.FormDataContentType())
return req, err
}
func createBasicJSONRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
var reader io.Reader
switch ro.JSON.(type) {
case string:
reader = strings.NewReader(ro.JSON.(string))
case []byte:
reader = bytes.NewReader(ro.JSON.([]byte))
default:
byteSlice, err := json.Marshal(ro.JSON)
if err != nil {
return nil, err
}
reader = bytes.NewReader(byteSlice)
}
req, err := http.NewRequest(httpMethod, userURL, reader)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
return req, nil
}
func createBasicRequest(httpMethod, userURL string, ro *RequestOptions) (*http.Request, error) {
req, err := http.NewRequest(httpMethod, userURL, strings.NewReader(encodePostValues(ro.Data)))
if err != nil {
return nil, err
}
// The content type must be set to a regular form
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
return req, nil
}
func encodePostValues(postValues map[string]string) string {
urlValues := &url.Values{}
for key, value := range postValues {
urlValues.Set(key, value)
}
return urlValues.Encode() // This will sort all of the string values
}
// proxySettings will default to the default proxy settings if none are provided
// if settings are provided – they will override the environment variables
func (ro RequestOptions) proxySettings(req *http.Request) (*url.URL, error) {
// No proxies – lets use the default
if len(ro.Proxies) == 0 {
return http.ProxyFromEnvironment(req)
}
// There was a proxy specified – do we support the protocol?
if _, ok := ro.Proxies[req.URL.Scheme]; ok {
return ro.Proxies[req.URL.Scheme], nil
}
// Proxies were specified but not for any protocol that we use
return http.ProxyFromEnvironment(req)
}
// dontUseDefaultClient will tell the "client creator" if a custom client is needed
// it checks the following items (and will create a custom client of these are)
// true
// 1. Do we want to accept invalid SSL certificates?
// 2. Do we want to disable compression?
// 3. Do we want a custom proxy?
// 4. Do we want to change the default timeout for TLS Handshake?
// 5. Do we want to change the default request timeout?
// 6. Do we want to change the default connection timeout?
// 7. Do you want to use the http.Client's cookieJar?
func (ro RequestOptions) dontUseDefaultClient() bool {
switch {
case ro.InsecureSkipVerify == true:
case ro.DisableCompression == true:
case len(ro.Proxies) != 0:
case ro.TLSHandshakeTimeout != 0:
case ro.DialTimeout != 0:
case ro.DialKeepAlive != 0:
case len(ro.Cookies) != 0:
case ro.UseCookieJar != false:
case ro.RequestTimeout != 0:
default:
return false
}
return true
}
// BuildHTTPClient is a function that will return a custom HTTP client based on the request options provided
// the check is in UseDefaultClient
func BuildHTTPClient(ro RequestOptions) *http.Client {
if ro.HTTPClient != nil {
return ro.HTTPClient
}
// Does the user want to change the defaults?
if !ro.dontUseDefaultClient() {
return http.DefaultClient
}
// Using the user config for tls timeout or default
if ro.TLSHandshakeTimeout == 0 {
ro.TLSHandshakeTimeout = tlsHandshakeTimeout
}
// Using the user config for dial timeout or default
if ro.DialTimeout == 0 {
ro.DialTimeout = dialTimeout
}
// Using the user config for dial keep alive or default
if ro.DialKeepAlive == 0 {
ro.DialKeepAlive = dialKeepAlive
}
if ro.RequestTimeout == 0 {
ro.RequestTimeout = requestTimeout
}
var cookieJar http.CookieJar
if ro.UseCookieJar {
if ro.CookieJar != nil {
cookieJar = ro.CookieJar
} else {
// The function does not return an error ever... so we are just ignoring it
cookieJar, _ = cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List})
}
}
return &http.Client{
Jar: cookieJar,
Transport: createHTTPTransport(ro),
Timeout: ro.RequestTimeout,
}
}
func createHTTPTransport(ro RequestOptions) *http.Transport {
ourHTTPTransport := &http.Transport{
// These are borrowed from the default transporter
Proxy: ro.proxySettings,
Dial: (&net.Dialer{
Timeout: ro.DialTimeout,
KeepAlive: ro.DialKeepAlive,
}).Dial,
TLSHandshakeTimeout: ro.TLSHandshakeTimeout,
// Here comes the user settings
TLSClientConfig: &tls.Config{InsecureSkipVerify: ro.InsecureSkipVerify},
DisableCompression: ro.DisableCompression,
}
EnsureTransporterFinalized(ourHTTPTransport)
return ourHTTPTransport
}
// buildURLParams returns a URL with all of the params
// Note: This function will override current URL params if they contradict what is provided in the map
// That is what the "magic" is on the last line
func buildURLParams(userURL string, params map[string]string) (string, error) {
parsedURL, err := url.Parse(userURL)
if err != nil {
return "", err
}
parsedQuery, err := url.ParseQuery(parsedURL.RawQuery)
if err != nil {
return "", nil
}
for key, value := range params {
parsedQuery.Set(key, value)
}
return addQueryParams(parsedURL, parsedQuery), nil
}
// addHTTPHeaders adds any additional HTTP headers that need to be added are added here including:
// 1. Custom User agent
// 2. Authorization Headers
// 3. Any other header requested
func addHTTPHeaders(ro *RequestOptions, req *http.Request) {
for key, value := range ro.Headers {
req.Header.Set(key, value)
}
if ro.UserAgent != "" {
req.Header.Set("User-Agent", ro.UserAgent)
} else {
req.Header.Set("User-Agent", localUserAgent)
}
if ro.Host != "" {
req.Host = ro.Host
}
if ro.Auth != nil {
req.SetBasicAuth(ro.Auth[0], ro.Auth[1])
}
if ro.IsAjax == true {
req.Header.Set("X-Requested-With", "XMLHttpRequest")
}
}
func addCookies(ro *RequestOptions, req *http.Request) {
for _, c := range ro.Cookies {
req.AddCookie(c)
}
}
func addQueryParams(parsedURL *url.URL, parsedQuery url.Values) string {
return strings.Join([]string{strings.Replace(parsedURL.String(), "?"+parsedURL.RawQuery, "", -1), parsedQuery.Encode()}, "?")
}
func buildURLStruct(userURL string, URLStruct interface{}) (string, error) {
parsedURL, err := url.Parse(userURL)
if err != nil {
return "", err
}
parsedQuery, err := url.ParseQuery(parsedURL.RawQuery)
if err != nil {
return "", err
}
queryStruct, err := query.Values(URLStruct)
if err != nil {
return "", err
}
for key, value := range queryStruct {
for _, v := range value {
parsedQuery.Add(key, v)
}
}
return addQueryParams(parsedURL, parsedQuery), nil
}

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package grequests
import (
"bytes"
"encoding/json"
"encoding/xml"
"io"
"io/ioutil"
"net/http"
"os"
)
// Response is what is returned to a user when they fire off a request
type Response struct {
// Ok is a boolean flag that validates that the server returned a 2xx code
Ok bool
// This is the Go error flag – if something went wrong within the request, this flag will be set.
Error error
// We want to abstract (at least at the moment) the Go http.Response object away. So we are going to make use of it
// internal but not give the user access
RawResponse *http.Response
// StatusCode is the HTTP Status Code returned by the HTTP Response. Taken from resp.StatusCode
StatusCode int
// Header is a net/http/Header structure
Header http.Header
internalByteBuffer *bytes.Buffer
}
func buildResponse(resp *http.Response, err error) (*Response, error) {
// If the connection didn't succeed we just return a blank response
if err != nil {
return &Response{Error: err}, err
}
goodResp := &Response{
// If your code is within the 2xx range – the response is considered `Ok`
Ok: resp.StatusCode >= 200 && resp.StatusCode < 300,
Error: nil,
RawResponse: resp,
StatusCode: resp.StatusCode,
Header: resp.Header,
internalByteBuffer: bytes.NewBuffer([]byte{}),
}
// EnsureResponseFinalized(goodResp) This will come back in 1.0
return goodResp, nil
}
// Read is part of our ability to support io.ReadCloser if someone wants to make use of the raw body
func (r *Response) Read(p []byte) (n int, err error) {
if r.Error != nil {
return -1, r.Error
}
return r.RawResponse.Body.Read(p)
}
// Close is part of our ability to support io.ReadCloser if someone wants to make use of the raw body
func (r *Response) Close() error {
if r.Error != nil {
return r.Error
}
io.Copy(ioutil.Discard, r)
return r.RawResponse.Body.Close()
}
// DownloadToFile allows you to download the contents of the response to a file
func (r *Response) DownloadToFile(fileName string) error {
if r.Error != nil {
return r.Error
}
fd, err := os.Create(fileName)
if err != nil {
return err
}
defer r.Close() // This is a noop if we use the internal ByteBuffer
defer fd.Close()
if _, err := io.Copy(fd, r.getInternalReader()); err != nil && err != io.EOF {
return err
}
return nil
}
// getInternalReader because we implement io.ReadCloser and optionally hold a large buffer of the response (created by
// the user's request)
func (r *Response) getInternalReader() io.Reader {
if r.internalByteBuffer.Len() != 0 {
return r.internalByteBuffer
}
return r
}
// XML is a method that will populate a struct that is provided `userStruct` with the XML returned within the
// response body
func (r *Response) XML(userStruct interface{}, charsetReader XMLCharDecoder) error {
if r.Error != nil {
return r.Error
}
xmlDecoder := xml.NewDecoder(r.getInternalReader())
if charsetReader != nil {
xmlDecoder.CharsetReader = charsetReader
}
defer r.Close()
if err := xmlDecoder.Decode(&userStruct); err != nil && err != io.EOF {
return err
}
return nil
}
// JSON is a method that will populate a struct that is provided `userStruct` with the JSON returned within the
// response body
func (r *Response) JSON(userStruct interface{}) error {
if r.Error != nil {
return r.Error
}
jsonDecoder := json.NewDecoder(r.getInternalReader())
defer r.Close()
if err := jsonDecoder.Decode(&userStruct); err != nil && err != io.EOF {
return err
}
return nil
}
// createResponseBytesBuffer is a utility method that will populate the internal byte reader – this is largely used for .String()
// and .Bytes()
func (r *Response) populateResponseByteBuffer() {
// Have I done this already?
if r.internalByteBuffer.Len() != 0 {
return
}
defer r.Close()
// Is there any content?
if r.RawResponse.ContentLength == 0 {
return
}
// Did the server tell us how big the response is going to be?
if r.RawResponse.ContentLength > 0 {
r.internalByteBuffer.Grow(int(r.RawResponse.ContentLength))
}
if _, err := io.Copy(r.internalByteBuffer, r); err != nil && err != io.EOF {
r.Error = err
r.RawResponse.Body.Close()
}
}
// Bytes returns the response as a byte array
func (r *Response) Bytes() []byte {
if r.Error != nil {
return nil
}
r.populateResponseByteBuffer()
// Are we still empty?
if r.internalByteBuffer.Len() == 0 {
return nil
}
return r.internalByteBuffer.Bytes()
}
// String returns the response as a string
func (r *Response) String() string {
if r.Error != nil {
return ""
}
r.populateResponseByteBuffer()
return r.internalByteBuffer.String()
}
// ClearInternalBuffer is a function that will clear the internal buffer that we use to hold the .String() and .Bytes()
// data. Once you have used these functions – you may want to free up the memory.
func (r *Response) ClearInternalBuffer() {
if r == nil || r.internalByteBuffer == nil {
return
}
r.internalByteBuffer.Reset()
}

136
vendor/github.com/levigross/grequests/session.go generated vendored Normal file
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package grequests
import "net/http"
// Session allows a user to make use of persistent cookies in between
// HTTP requests
type Session struct {
// RequestOptions is global options
RequestOptions *RequestOptions
// HTTPClient is the client that we will use to request the resources
HTTPClient *http.Client
}
// NewSession returns a session struct which enables can be used to maintain establish a persistent state with the
// server
// This function will set UseCookieJar to true as that is the purpose of using the session
func NewSession(ro *RequestOptions) *Session {
if ro == nil {
ro = &RequestOptions{}
}
ro.UseCookieJar = true
return &Session{RequestOptions: ro, HTTPClient: BuildHTTPClient(*ro)}
}
// Combine session options and request options
// 1. UserAgent
// 2. Host
// 3. Auth
// 4. Headers
func (s *Session) combineRequestOptions(ro *RequestOptions) *RequestOptions {
if ro == nil {
ro = &RequestOptions{}
}
if ro.UserAgent == "" && s.RequestOptions.UserAgent != "" {
ro.UserAgent = s.RequestOptions.UserAgent
}
if ro.Host == "" && s.RequestOptions.Host != "" {
ro.Host = s.RequestOptions.Host
}
if ro.Auth == nil && s.RequestOptions.Auth != nil {
ro.Auth = s.RequestOptions.Auth
}
if len(s.RequestOptions.Headers) > 0 || len(ro.Headers) > 0 {
headers := make(map[string]string)
for k, v := range s.RequestOptions.Headers {
headers[k] = v
}
for k, v := range ro.Headers {
headers[k] = v
}
ro.Headers = headers
}
return ro
}
// Get takes 2 parameters and returns a Response Struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Get(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("GET", url, ro, s.HTTPClient)
}
// Put takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Put(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("PUT", url, ro, s.HTTPClient)
}
// Patch takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Patch(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("PATCH", url, ro, s.HTTPClient)
}
// Delete takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Delete(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("DELETE", url, ro, s.HTTPClient)
}
// Post takes 2 parameters and returns a Response channel. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Post(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("POST", url, ro, s.HTTPClient)
}
// Head takes 2 parameters and returns a Response channel. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Head(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("HEAD", url, ro, s.HTTPClient)
}
// Options takes 2 parameters and returns a Response struct. These two options are:
// 1. A URL
// 2. A RequestOptions struct
// If you do not intend to use the `RequestOptions` you can just pass nil
// A new session is created by calling NewSession with a request options struct
func (s *Session) Options(url string, ro *RequestOptions) (*Response, error) {
ro = s.combineRequestOptions(ro)
return doSessionRequest("OPTIONS", url, ro, s.HTTPClient)
}
// CloseIdleConnections closes the idle connections that a session client may make use of
func (s *Session) CloseIdleConnections() {
s.HTTPClient.Transport.(*http.Transport).CloseIdleConnections()
}

102
vendor/github.com/levigross/grequests/utils.go generated vendored Normal file
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package grequests
import (
"errors"
"io"
"net/http"
"runtime"
"time"
)
const (
localUserAgent = "GRequests/0.10"
// Default value for net.Dialer Timeout
dialTimeout = 30 * time.Second
// Default value for net.Dialer KeepAlive
dialKeepAlive = 30 * time.Second
// Default value for http.Transport TLSHandshakeTimeout
tlsHandshakeTimeout = 10 * time.Second
// Default value for Request Timeout
requestTimeout = 90 * time.Second
)
var (
// ErrRedirectLimitExceeded is the error returned when the request responded
// with too many redirects
ErrRedirectLimitExceeded = errors.New("grequests: Request exceeded redirect count")
// RedirectLimit is a tunable variable that specifies how many times we can
// redirect in response to a redirect. This is the global variable, if you
// wish to set this on a request by request basis, set it within the
// `RequestOptions` structure
RedirectLimit = 30
// SensitiveHTTPHeaders is a map of sensitive HTTP headers that a user
// doesn't want passed on a redirect. This is the global variable, if you
// wish to set this on a request by request basis, set it within the
// `RequestOptions` structure
SensitiveHTTPHeaders = map[string]struct{}{
"Www-Authenticate": {},
"Authorization": {},
"Proxy-Authorization": {},
}
)
// XMLCharDecoder is a helper type that takes a stream of bytes (not encoded in
// UTF-8) and returns a reader that encodes the bytes into UTF-8. This is done
// because Go's XML library only supports XML encoded in UTF-8
type XMLCharDecoder func(charset string, input io.Reader) (io.Reader, error)
func addRedirectFunctionality(client *http.Client, ro *RequestOptions) {
if client.CheckRedirect != nil {
return
}
client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
if ro.RedirectLimit == 0 {
ro.RedirectLimit = RedirectLimit
}
if len(via) >= ro.RedirectLimit {
return ErrRedirectLimitExceeded
}
if ro.SensitiveHTTPHeaders == nil {
ro.SensitiveHTTPHeaders = SensitiveHTTPHeaders
}
for k, vv := range via[0].Header {
// Is this a sensitive header?
if _, found := ro.SensitiveHTTPHeaders[k]; found {
continue
}
for _, v := range vv {
req.Header.Add(k, v)
}
}
return nil
}
}
// EnsureTransporterFinalized will ensure that when the HTTP client is GCed
// the runtime will close the idle connections (so that they won't leak)
// this function was adopted from Hashicorp's go-cleanhttp package
func EnsureTransporterFinalized(httpTransport *http.Transport) {
runtime.SetFinalizer(&httpTransport, func(transportInt **http.Transport) {
(*transportInt).CloseIdleConnections()
})
}
// EnsureResponseFinalized will ensure that when the Response is GCed
// the request body is closed so we aren't leaking fds
// func EnsureResponseFinalized(httpResp *Response) {
// runtime.SetFinalizer(&httpResp, func(httpResponseInt **Response) {
// (*httpResponseInt).RawResponse.Body.Close()
// })
// }
// This will come back in 1.0

27
vendor/golang.org/x/net/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/net/PATENTS generated vendored Normal file
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@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

713
vendor/golang.org/x/net/publicsuffix/gen.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
package main
// This program generates table.go and table_test.go based on the authoritative
// public suffix list at https://publicsuffix.org/list/effective_tld_names.dat
//
// The version is derived from
// https://api.github.com/repos/publicsuffix/list/commits?path=public_suffix_list.dat
// and a human-readable form is at
// https://github.com/publicsuffix/list/commits/master/public_suffix_list.dat
//
// To fetch a particular git revision, such as 5c70ccd250, pass
// -url "https://raw.githubusercontent.com/publicsuffix/list/5c70ccd250/public_suffix_list.dat"
// and -version "an explicit version string".
import (
"bufio"
"bytes"
"flag"
"fmt"
"go/format"
"io"
"io/ioutil"
"net/http"
"os"
"regexp"
"sort"
"strings"
"golang.org/x/net/idna"
)
const (
// These sum of these four values must be no greater than 32.
nodesBitsChildren = 10
nodesBitsICANN = 1
nodesBitsTextOffset = 15
nodesBitsTextLength = 6
// These sum of these four values must be no greater than 32.
childrenBitsWildcard = 1
childrenBitsNodeType = 2
childrenBitsHi = 14
childrenBitsLo = 14
)
var (
maxChildren int
maxTextOffset int
maxTextLength int
maxHi uint32
maxLo uint32
)
func max(a, b int) int {
if a < b {
return b
}
return a
}
func u32max(a, b uint32) uint32 {
if a < b {
return b
}
return a
}
const (
nodeTypeNormal = 0
nodeTypeException = 1
nodeTypeParentOnly = 2
numNodeType = 3
)
func nodeTypeStr(n int) string {
switch n {
case nodeTypeNormal:
return "+"
case nodeTypeException:
return "!"
case nodeTypeParentOnly:
return "o"
}
panic("unreachable")
}
const (
defaultURL = "https://publicsuffix.org/list/effective_tld_names.dat"
gitCommitURL = "https://api.github.com/repos/publicsuffix/list/commits?path=public_suffix_list.dat"
)
var (
labelEncoding = map[string]uint32{}
labelsList = []string{}
labelsMap = map[string]bool{}
rules = []string{}
// validSuffixRE is used to check that the entries in the public suffix
// list are in canonical form (after Punycode encoding). Specifically,
// capital letters are not allowed.
validSuffixRE = regexp.MustCompile(`^[a-z0-9_\!\*\-\.]+$`)
shaRE = regexp.MustCompile(`"sha":"([^"]+)"`)
dateRE = regexp.MustCompile(`"committer":{[^{]+"date":"([^"]+)"`)
comments = flag.Bool("comments", false, "generate table.go comments, for debugging")
subset = flag.Bool("subset", false, "generate only a subset of the full table, for debugging")
url = flag.String("url", defaultURL, "URL of the publicsuffix.org list. If empty, stdin is read instead")
v = flag.Bool("v", false, "verbose output (to stderr)")
version = flag.String("version", "", "the effective_tld_names.dat version")
)
func main() {
if err := main1(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func main1() error {
flag.Parse()
if nodesBitsTextLength+nodesBitsTextOffset+nodesBitsICANN+nodesBitsChildren > 32 {
return fmt.Errorf("not enough bits to encode the nodes table")
}
if childrenBitsLo+childrenBitsHi+childrenBitsNodeType+childrenBitsWildcard > 32 {
return fmt.Errorf("not enough bits to encode the children table")
}
if *version == "" {
if *url != defaultURL {
return fmt.Errorf("-version was not specified, and the -url is not the default one")
}
sha, date, err := gitCommit()
if err != nil {
return err
}
*version = fmt.Sprintf("publicsuffix.org's public_suffix_list.dat, git revision %s (%s)", sha, date)
}
var r io.Reader = os.Stdin
if *url != "" {
res, err := http.Get(*url)
if err != nil {
return err
}
if res.StatusCode != http.StatusOK {
return fmt.Errorf("bad GET status for %s: %d", *url, res.Status)
}
r = res.Body
defer res.Body.Close()
}
var root node
icann := false
br := bufio.NewReader(r)
for {
s, err := br.ReadString('\n')
if err != nil {
if err == io.EOF {
break
}
return err
}
s = strings.TrimSpace(s)
if strings.Contains(s, "BEGIN ICANN DOMAINS") {
icann = true
continue
}
if strings.Contains(s, "END ICANN DOMAINS") {
icann = false
continue
}
if s == "" || strings.HasPrefix(s, "//") {
continue
}
s, err = idna.ToASCII(s)
if err != nil {
return err
}
if !validSuffixRE.MatchString(s) {
return fmt.Errorf("bad publicsuffix.org list data: %q", s)
}
if *subset {
switch {
case s == "ac.jp" || strings.HasSuffix(s, ".ac.jp"):
case s == "ak.us" || strings.HasSuffix(s, ".ak.us"):
case s == "ao" || strings.HasSuffix(s, ".ao"):
case s == "ar" || strings.HasSuffix(s, ".ar"):
case s == "arpa" || strings.HasSuffix(s, ".arpa"):
case s == "cy" || strings.HasSuffix(s, ".cy"):
case s == "dyndns.org" || strings.HasSuffix(s, ".dyndns.org"):
case s == "jp":
case s == "kobe.jp" || strings.HasSuffix(s, ".kobe.jp"):
case s == "kyoto.jp" || strings.HasSuffix(s, ".kyoto.jp"):
case s == "om" || strings.HasSuffix(s, ".om"):
case s == "uk" || strings.HasSuffix(s, ".uk"):
case s == "uk.com" || strings.HasSuffix(s, ".uk.com"):
case s == "tw" || strings.HasSuffix(s, ".tw"):
case s == "zw" || strings.HasSuffix(s, ".zw"):
case s == "xn--p1ai" || strings.HasSuffix(s, ".xn--p1ai"):
// xn--p1ai is Russian-Cyrillic "рф".
default:
continue
}
}
rules = append(rules, s)
nt, wildcard := nodeTypeNormal, false
switch {
case strings.HasPrefix(s, "*."):
s, nt = s[2:], nodeTypeParentOnly
wildcard = true
case strings.HasPrefix(s, "!"):
s, nt = s[1:], nodeTypeException
}
labels := strings.Split(s, ".")
for n, i := &root, len(labels)-1; i >= 0; i-- {
label := labels[i]
n = n.child(label)
if i == 0 {
if nt != nodeTypeParentOnly && n.nodeType == nodeTypeParentOnly {
n.nodeType = nt
}
n.icann = n.icann && icann
n.wildcard = n.wildcard || wildcard
}
labelsMap[label] = true
}
}
labelsList = make([]string, 0, len(labelsMap))
for label := range labelsMap {
labelsList = append(labelsList, label)
}
sort.Strings(labelsList)
if err := generate(printReal, &root, "table.go"); err != nil {
return err
}
if err := generate(printTest, &root, "table_test.go"); err != nil {
return err
}
return nil
}
func generate(p func(io.Writer, *node) error, root *node, filename string) error {
buf := new(bytes.Buffer)
if err := p(buf, root); err != nil {
return err
}
b, err := format.Source(buf.Bytes())
if err != nil {
return err
}
return ioutil.WriteFile(filename, b, 0644)
}
func gitCommit() (sha, date string, retErr error) {
res, err := http.Get(gitCommitURL)
if err != nil {
return "", "", err
}
if res.StatusCode != http.StatusOK {
return "", "", fmt.Errorf("bad GET status for %s: %d", gitCommitURL, res.Status)
}
defer res.Body.Close()
b, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", err
}
if m := shaRE.FindSubmatch(b); m != nil {
sha = string(m[1])
}
if m := dateRE.FindSubmatch(b); m != nil {
date = string(m[1])
}
if sha == "" || date == "" {
retErr = fmt.Errorf("could not find commit SHA and date in %s", gitCommitURL)
}
return sha, date, retErr
}
func printTest(w io.Writer, n *node) error {
fmt.Fprintf(w, "// generated by go run gen.go; DO NOT EDIT\n\n")
fmt.Fprintf(w, "package publicsuffix\n\nvar rules = [...]string{\n")
for _, rule := range rules {
fmt.Fprintf(w, "%q,\n", rule)
}
fmt.Fprintf(w, "}\n\nvar nodeLabels = [...]string{\n")
if err := n.walk(w, printNodeLabel); err != nil {
return err
}
fmt.Fprintf(w, "}\n")
return nil
}
func printReal(w io.Writer, n *node) error {
const header = `// generated by go run gen.go; DO NOT EDIT
package publicsuffix
const version = %q
const (
nodesBitsChildren = %d
nodesBitsICANN = %d
nodesBitsTextOffset = %d
nodesBitsTextLength = %d
childrenBitsWildcard = %d
childrenBitsNodeType = %d
childrenBitsHi = %d
childrenBitsLo = %d
)
const (
nodeTypeNormal = %d
nodeTypeException = %d
nodeTypeParentOnly = %d
)
// numTLD is the number of top level domains.
const numTLD = %d
`
fmt.Fprintf(w, header, *version,
nodesBitsChildren, nodesBitsICANN, nodesBitsTextOffset, nodesBitsTextLength,
childrenBitsWildcard, childrenBitsNodeType, childrenBitsHi, childrenBitsLo,
nodeTypeNormal, nodeTypeException, nodeTypeParentOnly, len(n.children))
text := combineText(labelsList)
if text == "" {
return fmt.Errorf("internal error: makeText returned no text")
}
for _, label := range labelsList {
offset, length := strings.Index(text, label), len(label)
if offset < 0 {
return fmt.Errorf("internal error: could not find %q in text %q", label, text)
}
maxTextOffset, maxTextLength = max(maxTextOffset, offset), max(maxTextLength, length)
if offset >= 1<<nodesBitsTextOffset {
return fmt.Errorf("text offset %d is too large, or nodeBitsTextOffset is too small", offset)
}
if length >= 1<<nodesBitsTextLength {
return fmt.Errorf("text length %d is too large, or nodeBitsTextLength is too small", length)
}
labelEncoding[label] = uint32(offset)<<nodesBitsTextLength | uint32(length)
}
fmt.Fprintf(w, "// Text is the combined text of all labels.\nconst text = ")
for len(text) > 0 {
n, plus := len(text), ""
if n > 64 {
n, plus = 64, " +"
}
fmt.Fprintf(w, "%q%s\n", text[:n], plus)
text = text[n:]
}
if err := n.walk(w, assignIndexes); err != nil {
return err
}
fmt.Fprintf(w, `
// nodes is the list of nodes. Each node is represented as a uint32, which
// encodes the node's children, wildcard bit and node type (as an index into
// the children array), ICANN bit and text.
//
// If the table was generated with the -comments flag, there is a //-comment
// after each node's data. In it is the nodes-array indexes of the children,
// formatted as (n0x1234-n0x1256), with * denoting the wildcard bit. The
// nodeType is printed as + for normal, ! for exception, and o for parent-only
// nodes that have children but don't match a domain label in their own right.
// An I denotes an ICANN domain.
//
// The layout within the uint32, from MSB to LSB, is:
// [%2d bits] unused
// [%2d bits] children index
// [%2d bits] ICANN bit
// [%2d bits] text index
// [%2d bits] text length
var nodes = [...]uint32{
`,
32-nodesBitsChildren-nodesBitsICANN-nodesBitsTextOffset-nodesBitsTextLength,
nodesBitsChildren, nodesBitsICANN, nodesBitsTextOffset, nodesBitsTextLength)
if err := n.walk(w, printNode); err != nil {
return err
}
fmt.Fprintf(w, `}
// children is the list of nodes' children, the parent's wildcard bit and the
// parent's node type. If a node has no children then their children index
// will be in the range [0, 6), depending on the wildcard bit and node type.
//
// The layout within the uint32, from MSB to LSB, is:
// [%2d bits] unused
// [%2d bits] wildcard bit
// [%2d bits] node type
// [%2d bits] high nodes index (exclusive) of children
// [%2d bits] low nodes index (inclusive) of children
var children=[...]uint32{
`,
32-childrenBitsWildcard-childrenBitsNodeType-childrenBitsHi-childrenBitsLo,
childrenBitsWildcard, childrenBitsNodeType, childrenBitsHi, childrenBitsLo)
for i, c := range childrenEncoding {
s := "---------------"
lo := c & (1<<childrenBitsLo - 1)
hi := (c >> childrenBitsLo) & (1<<childrenBitsHi - 1)
if lo != hi {
s = fmt.Sprintf("n0x%04x-n0x%04x", lo, hi)
}
nodeType := int(c>>(childrenBitsLo+childrenBitsHi)) & (1<<childrenBitsNodeType - 1)
wildcard := c>>(childrenBitsLo+childrenBitsHi+childrenBitsNodeType) != 0
if *comments {
fmt.Fprintf(w, "0x%08x, // c0x%04x (%s)%s %s\n",
c, i, s, wildcardStr(wildcard), nodeTypeStr(nodeType))
} else {
fmt.Fprintf(w, "0x%x,\n", c)
}
}
fmt.Fprintf(w, "}\n\n")
fmt.Fprintf(w, "// max children %d (capacity %d)\n", maxChildren, 1<<nodesBitsChildren-1)
fmt.Fprintf(w, "// max text offset %d (capacity %d)\n", maxTextOffset, 1<<nodesBitsTextOffset-1)
fmt.Fprintf(w, "// max text length %d (capacity %d)\n", maxTextLength, 1<<nodesBitsTextLength-1)
fmt.Fprintf(w, "// max hi %d (capacity %d)\n", maxHi, 1<<childrenBitsHi-1)
fmt.Fprintf(w, "// max lo %d (capacity %d)\n", maxLo, 1<<childrenBitsLo-1)
return nil
}
type node struct {
label string
nodeType int
icann bool
wildcard bool
// nodesIndex and childrenIndex are the index of this node in the nodes
// and the index of its children offset/length in the children arrays.
nodesIndex, childrenIndex int
// firstChild is the index of this node's first child, or zero if this
// node has no children.
firstChild int
// children are the node's children, in strictly increasing node label order.
children []*node
}
func (n *node) walk(w io.Writer, f func(w1 io.Writer, n1 *node) error) error {
if err := f(w, n); err != nil {
return err
}
for _, c := range n.children {
if err := c.walk(w, f); err != nil {
return err
}
}
return nil
}
// child returns the child of n with the given label. The child is created if
// it did not exist beforehand.
func (n *node) child(label string) *node {
for _, c := range n.children {
if c.label == label {
return c
}
}
c := &node{
label: label,
nodeType: nodeTypeParentOnly,
icann: true,
}
n.children = append(n.children, c)
sort.Sort(byLabel(n.children))
return c
}
type byLabel []*node
func (b byLabel) Len() int { return len(b) }
func (b byLabel) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
func (b byLabel) Less(i, j int) bool { return b[i].label < b[j].label }
var nextNodesIndex int
// childrenEncoding are the encoded entries in the generated children array.
// All these pre-defined entries have no children.
var childrenEncoding = []uint32{
0 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeNormal.
1 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeException.
2 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeParentOnly.
4 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeNormal.
5 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeException.
6 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeParentOnly.
}
var firstCallToAssignIndexes = true
func assignIndexes(w io.Writer, n *node) error {
if len(n.children) != 0 {
// Assign nodesIndex.
n.firstChild = nextNodesIndex
for _, c := range n.children {
c.nodesIndex = nextNodesIndex
nextNodesIndex++
}
// The root node's children is implicit.
if firstCallToAssignIndexes {
firstCallToAssignIndexes = false
return nil
}
// Assign childrenIndex.
maxChildren = max(maxChildren, len(childrenEncoding))
if len(childrenEncoding) >= 1<<nodesBitsChildren {
return fmt.Errorf("children table size %d is too large, or nodeBitsChildren is too small", len(childrenEncoding))
}
n.childrenIndex = len(childrenEncoding)
lo := uint32(n.firstChild)
hi := lo + uint32(len(n.children))
maxLo, maxHi = u32max(maxLo, lo), u32max(maxHi, hi)
if lo >= 1<<childrenBitsLo {
return fmt.Errorf("children lo %d is too large, or childrenBitsLo is too small", lo)
}
if hi >= 1<<childrenBitsHi {
return fmt.Errorf("children hi %d is too large, or childrenBitsHi is too small", hi)
}
enc := hi<<childrenBitsLo | lo
enc |= uint32(n.nodeType) << (childrenBitsLo + childrenBitsHi)
if n.wildcard {
enc |= 1 << (childrenBitsLo + childrenBitsHi + childrenBitsNodeType)
}
childrenEncoding = append(childrenEncoding, enc)
} else {
n.childrenIndex = n.nodeType
if n.wildcard {
n.childrenIndex += numNodeType
}
}
return nil
}
func printNode(w io.Writer, n *node) error {
for _, c := range n.children {
s := "---------------"
if len(c.children) != 0 {
s = fmt.Sprintf("n0x%04x-n0x%04x", c.firstChild, c.firstChild+len(c.children))
}
encoding := labelEncoding[c.label]
if c.icann {
encoding |= 1 << (nodesBitsTextLength + nodesBitsTextOffset)
}
encoding |= uint32(c.childrenIndex) << (nodesBitsTextLength + nodesBitsTextOffset + nodesBitsICANN)
if *comments {
fmt.Fprintf(w, "0x%08x, // n0x%04x c0x%04x (%s)%s %s %s %s\n",
encoding, c.nodesIndex, c.childrenIndex, s, wildcardStr(c.wildcard),
nodeTypeStr(c.nodeType), icannStr(c.icann), c.label,
)
} else {
fmt.Fprintf(w, "0x%x,\n", encoding)
}
}
return nil
}
func printNodeLabel(w io.Writer, n *node) error {
for _, c := range n.children {
fmt.Fprintf(w, "%q,\n", c.label)
}
return nil
}
func icannStr(icann bool) string {
if icann {
return "I"
}
return " "
}
func wildcardStr(wildcard bool) string {
if wildcard {
return "*"
}
return " "
}
// combineText combines all the strings in labelsList to form one giant string.
// Overlapping strings will be merged: "arpa" and "parliament" could yield
// "arparliament".
func combineText(labelsList []string) string {
beforeLength := 0
for _, s := range labelsList {
beforeLength += len(s)
}
text := crush(removeSubstrings(labelsList))
if *v {
fmt.Fprintf(os.Stderr, "crushed %d bytes to become %d bytes\n", beforeLength, len(text))
}
return text
}
type byLength []string
func (s byLength) Len() int { return len(s) }
func (s byLength) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s byLength) Less(i, j int) bool { return len(s[i]) < len(s[j]) }
// removeSubstrings returns a copy of its input with any strings removed
// that are substrings of other provided strings.
func removeSubstrings(input []string) []string {
// Make a copy of input.
ss := append(make([]string, 0, len(input)), input...)
sort.Sort(byLength(ss))
for i, shortString := range ss {
// For each string, only consider strings higher than it in sort order, i.e.
// of equal length or greater.
for _, longString := range ss[i+1:] {
if strings.Contains(longString, shortString) {
ss[i] = ""
break
}
}
}
// Remove the empty strings.
sort.Strings(ss)
for len(ss) > 0 && ss[0] == "" {
ss = ss[1:]
}
return ss
}
// crush combines a list of strings, taking advantage of overlaps. It returns a
// single string that contains each input string as a substring.
func crush(ss []string) string {
maxLabelLen := 0
for _, s := range ss {
if maxLabelLen < len(s) {
maxLabelLen = len(s)
}
}
for prefixLen := maxLabelLen; prefixLen > 0; prefixLen-- {
prefixes := makePrefixMap(ss, prefixLen)
for i, s := range ss {
if len(s) <= prefixLen {
continue
}
mergeLabel(ss, i, prefixLen, prefixes)
}
}
return strings.Join(ss, "")
}
// mergeLabel merges the label at ss[i] with the first available matching label
// in prefixMap, where the last "prefixLen" characters in ss[i] match the first
// "prefixLen" characters in the matching label.
// It will merge ss[i] repeatedly until no more matches are available.
// All matching labels merged into ss[i] are replaced by "".
func mergeLabel(ss []string, i, prefixLen int, prefixes prefixMap) {
s := ss[i]
suffix := s[len(s)-prefixLen:]
for _, j := range prefixes[suffix] {
// Empty strings mean "already used." Also avoid merging with self.
if ss[j] == "" || i == j {
continue
}
if *v {
fmt.Fprintf(os.Stderr, "%d-length overlap at (%4d,%4d): %q and %q share %q\n",
prefixLen, i, j, ss[i], ss[j], suffix)
}
ss[i] += ss[j][prefixLen:]
ss[j] = ""
// ss[i] has a new suffix, so merge again if possible.
// Note: we only have to merge again at the same prefix length. Shorter
// prefix lengths will be handled in the next iteration of crush's for loop.
// Can there be matches for longer prefix lengths, introduced by the merge?
// I believe that any such matches would by necessity have been eliminated
// during substring removal or merged at a higher prefix length. For
// instance, in crush("abc", "cde", "bcdef"), combining "abc" and "cde"
// would yield "abcde", which could be merged with "bcdef." However, in
// practice "cde" would already have been elimintated by removeSubstrings.
mergeLabel(ss, i, prefixLen, prefixes)
return
}
}
// prefixMap maps from a prefix to a list of strings containing that prefix. The
// list of strings is represented as indexes into a slice of strings stored
// elsewhere.
type prefixMap map[string][]int
// makePrefixMap constructs a prefixMap from a slice of strings.
func makePrefixMap(ss []string, prefixLen int) prefixMap {
prefixes := make(prefixMap)
for i, s := range ss {
// We use < rather than <= because if a label matches on a prefix equal to
// its full length, that's actually a substring match handled by
// removeSubstrings.
if prefixLen < len(s) {
prefix := s[:prefixLen]
prefixes[prefix] = append(prefixes[prefix], i)
}
}
return prefixes
}

135
vendor/golang.org/x/net/publicsuffix/list.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:generate go run gen.go
// Package publicsuffix provides a public suffix list based on data from
// http://publicsuffix.org/. A public suffix is one under which Internet users
// can directly register names.
package publicsuffix // import "golang.org/x/net/publicsuffix"
// TODO: specify case sensitivity and leading/trailing dot behavior for
// func PublicSuffix and func EffectiveTLDPlusOne.
import (
"fmt"
"net/http/cookiejar"
"strings"
)
// List implements the cookiejar.PublicSuffixList interface by calling the
// PublicSuffix function.
var List cookiejar.PublicSuffixList = list{}
type list struct{}
func (list) PublicSuffix(domain string) string {
ps, _ := PublicSuffix(domain)
return ps
}
func (list) String() string {
return version
}
// PublicSuffix returns the public suffix of the domain using a copy of the
// publicsuffix.org database compiled into the library.
//
// icann is whether the public suffix is managed by the Internet Corporation
// for Assigned Names and Numbers. If not, the public suffix is privately
// managed. For example, foo.org and foo.co.uk are ICANN domains,
// foo.dyndns.org and foo.blogspot.co.uk are private domains.
//
// Use cases for distinguishing ICANN domains like foo.com from private
// domains like foo.appspot.com can be found at
// https://wiki.mozilla.org/Public_Suffix_List/Use_Cases
func PublicSuffix(domain string) (publicSuffix string, icann bool) {
lo, hi := uint32(0), uint32(numTLD)
s, suffix, wildcard := domain, len(domain), false
loop:
for {
dot := strings.LastIndex(s, ".")
if wildcard {
suffix = 1 + dot
}
if lo == hi {
break
}
f := find(s[1+dot:], lo, hi)
if f == notFound {
break
}
u := nodes[f] >> (nodesBitsTextOffset + nodesBitsTextLength)
icann = u&(1<<nodesBitsICANN-1) != 0
u >>= nodesBitsICANN
u = children[u&(1<<nodesBitsChildren-1)]
lo = u & (1<<childrenBitsLo - 1)
u >>= childrenBitsLo
hi = u & (1<<childrenBitsHi - 1)
u >>= childrenBitsHi
switch u & (1<<childrenBitsNodeType - 1) {
case nodeTypeNormal:
suffix = 1 + dot
case nodeTypeException:
suffix = 1 + len(s)
break loop
}
u >>= childrenBitsNodeType
wildcard = u&(1<<childrenBitsWildcard-1) != 0
if dot == -1 {
break
}
s = s[:dot]
}
if suffix == len(domain) {
// If no rules match, the prevailing rule is "*".
return domain[1+strings.LastIndex(domain, "."):], icann
}
return domain[suffix:], icann
}
const notFound uint32 = 1<<32 - 1
// find returns the index of the node in the range [lo, hi) whose label equals
// label, or notFound if there is no such node. The range is assumed to be in
// strictly increasing node label order.
func find(label string, lo, hi uint32) uint32 {
for lo < hi {
mid := lo + (hi-lo)/2
s := nodeLabel(mid)
if s < label {
lo = mid + 1
} else if s == label {
return mid
} else {
hi = mid
}
}
return notFound
}
// nodeLabel returns the label for the i'th node.
func nodeLabel(i uint32) string {
x := nodes[i]
length := x & (1<<nodesBitsTextLength - 1)
x >>= nodesBitsTextLength
offset := x & (1<<nodesBitsTextOffset - 1)
return text[offset : offset+length]
}
// EffectiveTLDPlusOne returns the effective top level domain plus one more
// label. For example, the eTLD+1 for "foo.bar.golang.org" is "golang.org".
func EffectiveTLDPlusOne(domain string) (string, error) {
suffix, _ := PublicSuffix(domain)
if len(domain) <= len(suffix) {
return "", fmt.Errorf("publicsuffix: cannot derive eTLD+1 for domain %q", domain)
}
i := len(domain) - len(suffix) - 1
if domain[i] != '.' {
return "", fmt.Errorf("publicsuffix: invalid public suffix %q for domain %q", suffix, domain)
}
return domain[1+strings.LastIndex(domain[:i], "."):], nil
}

9745
vendor/golang.org/x/net/publicsuffix/table.go generated vendored Normal file
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25
vendor/vendor.json vendored Normal file
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@ -0,0 +1,25 @@
{
"comment": "",
"ignore": "test",
"package": [
{
"checksumSHA1": "p3IB18uJRs4dL2K5yx24MrLYE9A=",
"path": "github.com/google/go-querystring/query",
"revision": "53e6ce116135b80d037921a7fdd5138cf32d7a8a",
"revisionTime": "2017-01-11T10:11:55Z"
},
{
"checksumSHA1": "e3krTtxeGeDTyWRkZC7BOYfexCw=",
"path": "github.com/levigross/grequests",
"revision": "bf9788368aa04abf510962fd0fb0d8e4b74396cc",
"revisionTime": "2017-10-09T01:03:47Z"
},
{
"checksumSHA1": "bMhIYx4Cgl6jit4Y2PW+dKsrFuU=",
"path": "golang.org/x/net/publicsuffix",
"revision": "4cb1c02c05b0e749b0365f61ae859a8e0cfceed9",
"revisionTime": "2018-06-28T17:19:52Z"
}
],
"rootPath": "github.com/partitio/gonextcloud"
}