Files

127 lines
3.4 KiB
Go

// Client to Gitea API
package gitea
import (
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"path"
"strconv"
"strings"
"time"
"sirherobrine23.com.br/go-bds/request/v2"
)
var (
ErrToken error = errors.New("require Token to request")
ErrBackend error = errors.New("catch 500 error in server api")
ErrNoExist error = errors.New("repository, organization or endpoint dont exists")
processCodes = request.MapCode{
500: errRes5xx("500 error"),
501: errRes5xx("501 error"),
401: func(res *http.Response) (*http.Response, error) {
if res.Body != nil {
res.Body.Close()
}
return nil, ErrToken
},
403: func(res *http.Response) (*http.Response, error) {
if res.Body != nil {
res.Body.Close()
}
return nil, errors.New("cannot process request, authorization or not have permission")
},
429: func(res *http.Response) (*http.Response, error) {
if res.Body != nil {
res.Body.Close()
}
// x-ratelimit-reset
if window, err := strconv.Atoi(res.Header.Get("x-ratelimit-reset")); err == nil {
<-time.After(time.Duration(window))
} else {
<-time.After(time.Second)
}
return request.ReRequest(res)
},
}
)
type giteaError struct {
Errors []string `json:"errors"`
TeaError string `json:"error"`
Message string `json:"message"`
Url string `json:"url"`
}
func errRes5xx(txt string) func(res *http.Response) (*http.Response, error) {
return func(res *http.Response) (*http.Response, error) {
if strings.Contains(res.Header.Get("Content-Type"), "application/json") {
var data giteaError
defer res.Body.Close()
bodyBuff, err := io.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf(txt, ErrBackend, err)
}
if err := json.Unmarshal(bodyBuff, &data); err != nil {
return nil, fmt.Errorf(txt, ErrBackend, ErrNoExist)
} else if len(data.Errors) > 0 {
return nil, fmt.Errorf(txt, ErrBackend, fmt.Errorf("gitea api, errors: %s, %s", data.Message, strings.Join(data.Errors, ", ")))
} else if data.Message != "" {
return nil, fmt.Errorf(txt, ErrBackend, fmt.Errorf("backed error: %s", data.Message))
}
}
return nil, fmt.Errorf(txt, ErrBackend)
}
}
// Make new gitea client to Make API requests, host example: "https://gitea.com/api"
func NewClient(giteaHost, Owner, Repository, Token string) (*Gitea, error) {
apiUrl, err := url.Parse(giteaHost)
if err != nil {
return nil, err
}
client := &Gitea{
Host: apiUrl,
Username: Owner,
Repository: Repository,
Token: Token,
}
// Check if API is OK
reqOptions := &request.Options{Method: "GET", Header: request.Header{}, CodeProcess: processCodes}
client.authHeader(&reqOptions.Header)
res, err := request.MakeRequestWithStatus(apiUrl.ResolveReference(&url.URL{Path: path.Join(apiUrl.Path, "v1/version")}), reqOptions)
if err != nil {
return nil, fmt.Errorf("cannot get gitea version: %s", err)
}
res.Body.Close()
return client, nil
}
// Gitea client
type Gitea struct {
Host *url.URL // Gitea api host
Username, Repository string // Repository and owner names
Token string // Gitea token
}
// Return escapated Owner+/+Repository
func (client Gitea) repoPath() string {
return fmt.Sprintf("%s/%s", url.PathEscape(client.Username), url.PathEscape(client.Repository))
}
// Set token to header
func (client Gitea) authHeader(header *request.Header) {
if client.Token != "" {
(*header)["Authorization"] = fmt.Sprintf("token %s", client.Token)
}
}