mirror of
https://git.uploadfilter24.eu/lerentis/terraform-provider-gitea.git
synced 2024-11-17 23:38:12 +00:00
347 lines
8.7 KiB
Go
347 lines
8.7 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package gitea
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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"sync"
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"github.com/hashicorp/go-version"
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)
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var jsonHeader = http.Header{"content-type": []string{"application/json"}}
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// Version return the library version
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func Version() string {
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return "0.15.1"
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}
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// Client represents a thread-safe Gitea API client.
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type Client struct {
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url string
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accessToken string
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username string
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password string
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otp string
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sudo string
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debug bool
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client *http.Client
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ctx context.Context
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mutex sync.RWMutex
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serverVersion *version.Version
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getVersionOnce sync.Once
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ignoreVersion bool // only set by SetGiteaVersion so don't need a mutex lock
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}
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// Response represents the gitea response
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type Response struct {
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*http.Response
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}
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// ClientOption are functions used to init a new client
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type ClientOption func(*Client) error
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// NewClient initializes and returns a API client.
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// Usage of all gitea.Client methods is concurrency-safe.
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func NewClient(url string, options ...ClientOption) (*Client, error) {
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client := &Client{
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url: strings.TrimSuffix(url, "/"),
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client: &http.Client{},
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ctx: context.Background(),
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}
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for _, opt := range options {
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if err := opt(client); err != nil {
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return nil, err
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}
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}
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if err := client.checkServerVersionGreaterThanOrEqual(version1_11_0); err != nil {
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return nil, err
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}
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return client, nil
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}
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// NewClientWithHTTP creates an API client with a custom http client
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// Deprecated use SetHTTPClient option
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func NewClientWithHTTP(url string, httpClient *http.Client) *Client {
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client, _ := NewClient(url, SetHTTPClient(httpClient))
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return client
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}
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// SetHTTPClient is an option for NewClient to set custom http client
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func SetHTTPClient(httpClient *http.Client) ClientOption {
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return func(client *Client) error {
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client.SetHTTPClient(httpClient)
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return nil
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}
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}
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// SetHTTPClient replaces default http.Client with user given one.
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func (c *Client) SetHTTPClient(client *http.Client) {
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c.mutex.Lock()
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c.client = client
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c.mutex.Unlock()
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}
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// SetToken is an option for NewClient to set token
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func SetToken(token string) ClientOption {
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return func(client *Client) error {
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client.mutex.Lock()
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client.accessToken = token
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client.mutex.Unlock()
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return nil
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}
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}
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// SetBasicAuth is an option for NewClient to set username and password
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func SetBasicAuth(username, password string) ClientOption {
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return func(client *Client) error {
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client.SetBasicAuth(username, password)
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return nil
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}
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}
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// SetBasicAuth sets username and password
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func (c *Client) SetBasicAuth(username, password string) {
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c.mutex.Lock()
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c.username, c.password = username, password
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c.mutex.Unlock()
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}
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// SetOTP is an option for NewClient to set OTP for 2FA
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func SetOTP(otp string) ClientOption {
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return func(client *Client) error {
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client.SetOTP(otp)
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return nil
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}
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}
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// SetOTP sets OTP for 2FA
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func (c *Client) SetOTP(otp string) {
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c.mutex.Lock()
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c.otp = otp
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c.mutex.Unlock()
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}
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// SetContext is an option for NewClient to set the default context
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func SetContext(ctx context.Context) ClientOption {
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return func(client *Client) error {
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client.SetContext(ctx)
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return nil
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}
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}
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// SetContext set default context witch is used for http requests
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func (c *Client) SetContext(ctx context.Context) {
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c.mutex.Lock()
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c.ctx = ctx
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c.mutex.Unlock()
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}
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// SetSudo is an option for NewClient to set sudo header
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func SetSudo(sudo string) ClientOption {
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return func(client *Client) error {
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client.SetSudo(sudo)
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return nil
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}
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}
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// SetSudo sets username to impersonate.
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func (c *Client) SetSudo(sudo string) {
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c.mutex.Lock()
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c.sudo = sudo
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c.mutex.Unlock()
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}
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// SetDebugMode is an option for NewClient to enable debug mode
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func SetDebugMode() ClientOption {
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return func(client *Client) error {
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client.mutex.Lock()
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client.debug = true
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client.mutex.Unlock()
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return nil
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}
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}
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func (c *Client) getWebResponse(method, path string, body io.Reader) ([]byte, *Response, error) {
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c.mutex.RLock()
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debug := c.debug
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if debug {
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fmt.Printf("%s: %s\nBody: %v\n", method, c.url+path, body)
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}
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req, err := http.NewRequestWithContext(c.ctx, method, c.url+path, body)
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client := c.client // client ref can change from this point on so safe it
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c.mutex.RUnlock()
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if err != nil {
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return nil, nil, err
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}
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resp, err := client.Do(req)
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if err != nil {
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return nil, nil, err
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}
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defer resp.Body.Close()
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data, err := ioutil.ReadAll(resp.Body)
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if debug {
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fmt.Printf("Response: %v\n\n", resp)
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}
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return data, &Response{resp}, nil
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}
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func (c *Client) doRequest(method, path string, header http.Header, body io.Reader) (*Response, error) {
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c.mutex.RLock()
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debug := c.debug
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if debug {
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fmt.Printf("%s: %s\nHeader: %v\nBody: %s\n", method, c.url+"/api/v1"+path, header, body)
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}
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req, err := http.NewRequestWithContext(c.ctx, method, c.url+"/api/v1"+path, body)
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if err != nil {
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c.mutex.RUnlock()
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return nil, err
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}
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if len(c.accessToken) != 0 {
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req.Header.Set("Authorization", "token "+c.accessToken)
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}
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if len(c.otp) != 0 {
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req.Header.Set("X-GITEA-OTP", c.otp)
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}
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if len(c.username) != 0 {
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req.SetBasicAuth(c.username, c.password)
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}
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if len(c.sudo) != 0 {
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req.Header.Set("Sudo", c.sudo)
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}
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client := c.client // client ref can change from this point on so safe it
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c.mutex.RUnlock()
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for k, v := range header {
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req.Header[k] = v
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}
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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if debug {
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fmt.Printf("Response: %v\n\n", resp)
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}
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return &Response{resp}, nil
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}
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// Converts a response for a HTTP status code indicating an error condition
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// (non-2XX) to a well-known error value and response body. For non-problematic
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// (2XX) status codes nil will be returned. Note that on a non-2XX response, the
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// response body stream will have been read and, hence, is closed on return.
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func statusCodeToErr(resp *Response) (body []byte, err error) {
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// no error
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if resp.StatusCode/100 == 2 {
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return nil, nil
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}
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//
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// error: body will be read for details
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//
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defer resp.Body.Close()
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data, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("body read on HTTP error %d: %v", resp.StatusCode, err)
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}
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switch resp.StatusCode {
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case 403:
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return data, errors.New("403 Forbidden")
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case 404:
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return data, errors.New("404 Not Found")
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case 409:
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return data, errors.New("409 Conflict")
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case 422:
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return data, fmt.Errorf("422 Unprocessable Entity: %s", string(data))
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}
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path := resp.Request.URL.Path
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method := resp.Request.Method
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header := resp.Request.Header
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errMap := make(map[string]interface{})
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if err = json.Unmarshal(data, &errMap); err != nil {
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// when the JSON can't be parsed, data was probably empty or a
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// plain string, so we try to return a helpful error anyway
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return data, fmt.Errorf("Unknown API Error: %d\nRequest: '%s' with '%s' method '%s' header and '%s' body", resp.StatusCode, path, method, header, string(data))
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}
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return data, errors.New(errMap["message"].(string))
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}
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func (c *Client) getResponse(method, path string, header http.Header, body io.Reader) ([]byte, *Response, error) {
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resp, err := c.doRequest(method, path, header, body)
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if err != nil {
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return nil, nil, err
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}
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defer resp.Body.Close()
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// check for errors
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data, err := statusCodeToErr(resp)
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if err != nil {
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return data, resp, err
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}
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// success (2XX), read body
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data, err = ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, resp, err
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}
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return data, resp, nil
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}
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func (c *Client) getParsedResponse(method, path string, header http.Header, body io.Reader, obj interface{}) (*Response, error) {
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data, resp, err := c.getResponse(method, path, header, body)
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if err != nil {
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return resp, err
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}
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return resp, json.Unmarshal(data, obj)
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}
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func (c *Client) getStatusCode(method, path string, header http.Header, body io.Reader) (int, *Response, error) {
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resp, err := c.doRequest(method, path, header, body)
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if err != nil {
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return -1, resp, err
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}
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defer resp.Body.Close()
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return resp.StatusCode, resp, nil
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}
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// pathEscapeSegments escapes segments of a path while not escaping forward slash
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func pathEscapeSegments(path string) string {
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slice := strings.Split(path, "/")
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for index := range slice {
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slice[index] = url.PathEscape(slice[index])
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}
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escapedPath := strings.Join(slice, "/")
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return escapedPath
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}
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// escapeValidatePathSegments is a help function to validate and encode url path segments
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func escapeValidatePathSegments(seg ...*string) error {
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for i := range seg {
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if seg[i] == nil || len(*seg[i]) == 0 {
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return fmt.Errorf("path segment [%d] is empty", i)
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}
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*seg[i] = url.PathEscape(*seg[i])
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}
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return nil
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}
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