forked from ktrysmt/go-bitbucket
/
client.go
194 lines (170 loc) · 4.6 KB
/
client.go
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package bitbucket
import (
"encoding/json"
"fmt"
"log"
"io/ioutil"
"net/http"
"net/url"
"strconv"
"strings"
"golang.org/x/net/context"
"golang.org/x/oauth2"
"golang.org/x/oauth2/bitbucket"
)
const DEFAULT_PAGE_LENGTH = 10
type Client struct {
Auth *auth
Users users
User user
Teams teams
Repositories *Repositories
Pagelen uint64
}
type auth struct {
appID, secret string
user, password string
token oauth2.Token
}
func NewOAuth(i, s string) *Client {
a := &auth{appID: i, secret: s}
ctx := context.Background()
conf := &oauth2.Config{
ClientID: i,
ClientSecret: s,
Endpoint: bitbucket.Endpoint,
}
// Redirect user to consent page to ask for permission
// for the scopes specified above.
url := conf.AuthCodeURL("state", oauth2.AccessTypeOffline)
fmt.Printf("Visit the URL for the auth dialog:\n%v", url)
// Use the authorization code that is pushed to the redirect
// URL. Exchange will do the handshake to retrieve the
// initial access token. The HTTP Client returned by
// conf.Client will refresh the token as necessary.
var code string
fmt.Printf("Enter the code in the return URL: ")
if _, err := fmt.Scan(&code); err != nil {
log.Fatal(err)
}
tok, err := conf.Exchange(ctx, code)
if err != nil {
log.Fatal(err)
}
a.token = *tok
return injectClient(a)
}
func NewBasicAuth(u, p string) *Client {
a := &auth{user: u, password: p}
return injectClient(a)
}
func injectClient(a *auth) *Client {
c := &Client{Auth: a, Pagelen: DEFAULT_PAGE_LENGTH}
c.Repositories = &Repositories{
c: c,
PullRequests: &PullRequests{c: c},
Repository: &Repository{c: c},
Commits: &Commits{c: c},
Diff: &Diff{c: c},
BranchRestrictions: &BranchRestrictions{c: c},
Webhooks: &Webhooks{c: c},
}
c.Users = &Users{c: c}
c.User = &User{c: c}
c.Teams = &Teams{c: c}
return c
}
func (c *Client) execute(method string, urlStr string, text string) (interface{}, error) {
// Use pagination if changed from default value
const DEC_RADIX = 10
if strings.Contains(urlStr, "/repositories/") {
if c.Pagelen != DEFAULT_PAGE_LENGTH {
urlObj, err := url.Parse(urlStr)
if err != nil {
return nil, err
}
q := urlObj.Query()
q.Set("pagelen", strconv.FormatUint(c.Pagelen, DEC_RADIX))
urlObj.RawQuery = q.Encode()
urlStr = urlObj.String()
}
}
body := strings.NewReader(text)
req, err := http.NewRequest(method, urlStr, body)
if text != "" {
req.Header.Set("Content-Type", "application/json")
}
if err != nil {
return nil, err
}
if c.Auth.user != "" && c.Auth.password != "" {
req.SetBasicAuth(c.Auth.user, c.Auth.password)
} else if c.Auth.token.Valid() {
c.Auth.token.SetAuthHeader(req)
}
client := new(http.Client)
resp, err := client.Do(req)
if err != nil {
return nil, err
}
if resp.Body != nil {
defer resp.Body.Close()
}
if (resp.StatusCode != http.StatusOK) && (resp.StatusCode != http.StatusCreated) {
return nil, fmt.Errorf(resp.Status)
}
if resp.Body == nil {
return nil, fmt.Errorf("response body is nil")
}
resBodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var result interface{}
err = json.Unmarshal(resBodyBytes, &result)
if err != nil {
return nil, err
}
resultMap, isMap := result.(map[string]interface{})
if isMap {
nextIn := resultMap["next"]
valuesIn := resultMap["values"]
if nextIn != nil && valuesIn != nil {
nextUrl := nextIn.(string)
if nextUrl != "" {
valuesSlice := valuesIn.([]interface{})
if valuesSlice != nil {
nextResult, err := c.execute(method, nextUrl, text)
if err != nil {
return nil, err
}
nextResultMap, isNextMap := nextResult.(map[string]interface{})
if !isNextMap {
return nil, fmt.Errorf("next page result is not map, it's %T", nextResult)
}
nextValuesIn := nextResultMap["values"]
if nextValuesIn == nil {
return nil, fmt.Errorf("next page result has no values")
}
nextValuesSlice, isSlice := nextValuesIn.([]interface{})
if !isSlice {
return nil, fmt.Errorf("next page result 'values' is not slice")
}
valuesSlice = append(valuesSlice, nextValuesSlice...)
resultMap["values"] = valuesSlice
delete(resultMap, "page")
delete(resultMap, "pagelen")
delete(resultMap, "size")
result = resultMap
}
}
}
}
return result, nil
}
func (c *Client) requestUrl(template string, args ...interface{}) string {
if len(args) == 1 && args[0] == "" {
return GetApiBaseURL() + template
}
return GetApiBaseURL() + fmt.Sprintf(template, args...)
}