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client.go
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package github
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"os"
"os/exec"
"path/filepath"
"sort"
"strings"
"time"
"github.com/github/gh-cli/version"
)
const (
GitHubHost string = "github.com"
OAuthAppURL string = "https://hub.github.com/"
)
var UserAgent = "Hub " + version.Version
func NewClient(h string) *Client {
return NewClientWithHost(&Host{Host: h})
}
func NewClientWithHost(host *Host) *Client {
return &Client{Host: host}
}
type Client struct {
Host *Host
cachedClient *simpleClient
}
func (client *Client) FetchPullRequests(project *Project, filterParams map[string]interface{}, limit int, filter func(*PullRequest) bool) (pulls []PullRequest, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
path := fmt.Sprintf("repos/%s/%s/pulls?per_page=%d", project.Owner, project.Name, perPage(limit, 100))
if filterParams != nil {
path = addQuery(path, filterParams)
}
pulls = []PullRequest{}
var res *simpleResponse
for path != "" {
res, err = api.GetFile(path, draftsType)
if err = checkStatus(200, "fetching pull requests", res, err); err != nil {
return
}
path = res.Link("next")
pullsPage := []PullRequest{}
if err = res.Unmarshal(&pullsPage); err != nil {
return
}
for _, pr := range pullsPage {
if filter == nil || filter(&pr) {
pulls = append(pulls, pr)
if limit > 0 && len(pulls) == limit {
path = ""
break
}
}
}
}
return
}
func (client *Client) PullRequest(project *Project, id string) (pr *PullRequest, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("repos/%s/%s/pulls/%s", project.Owner, project.Name, id))
if err = checkStatus(200, "getting pull request", res, err); err != nil {
return
}
pr = &PullRequest{}
err = res.Unmarshal(pr)
return
}
func (client *Client) PullRequestPatch(project *Project, id string) (patch io.ReadCloser, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.GetFile(fmt.Sprintf("repos/%s/%s/pulls/%s", project.Owner, project.Name, id), patchMediaType)
if err = checkStatus(200, "getting pull request patch", res, err); err != nil {
return
}
return res.Body, nil
}
func (client *Client) CreatePullRequest(project *Project, params map[string]interface{}) (pr *PullRequest, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSONPreview(fmt.Sprintf("repos/%s/%s/pulls", project.Owner, project.Name), params, draftsType)
if err = checkStatus(201, "creating pull request", res, err); err != nil {
if res != nil && res.StatusCode == 404 {
projectUrl := strings.SplitN(project.WebURL("", "", ""), "://", 2)[1]
err = fmt.Errorf("%s\nAre you sure that %s exists?", err, projectUrl)
}
return
}
pr = &PullRequest{}
err = res.Unmarshal(pr)
return
}
func (client *Client) UpdatePullRequest(pr *PullRequest, params map[string]interface{}) (updatedPullRequest *PullRequest, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PatchJSON(pr.ApiUrl, params)
if err = checkStatus(200, "updating pull request", res, err); err != nil {
return
}
updatedPullRequest = &PullRequest{}
err = res.Unmarshal(updatedPullRequest)
return
}
func (client *Client) RequestReview(project *Project, prNumber int, params map[string]interface{}) (err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSON(fmt.Sprintf("repos/%s/%s/pulls/%d/requested_reviewers", project.Owner, project.Name, prNumber), params)
if err = checkStatus(201, "requesting reviewer", res, err); err != nil {
return
}
res.Body.Close()
return
}
func (client *Client) CommitPatch(project *Project, sha string) (patch io.ReadCloser, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.GetFile(fmt.Sprintf("repos/%s/%s/commits/%s", project.Owner, project.Name, sha), patchMediaType)
if err = checkStatus(200, "getting commit patch", res, err); err != nil {
return
}
return res.Body, nil
}
type Gist struct {
Files map[string]GistFile `json:"files"`
}
type GistFile struct {
RawUrl string `json:"raw_url"`
}
func (client *Client) GistPatch(id string) (patch io.ReadCloser, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("gists/%s", id))
if err = checkStatus(200, "getting gist patch", res, err); err != nil {
return
}
gist := Gist{}
if err = res.Unmarshal(&gist); err != nil {
return
}
rawUrl := ""
for _, file := range gist.Files {
rawUrl = file.RawUrl
break
}
res, err = api.GetFile(rawUrl, textMediaType)
if err = checkStatus(200, "getting gist patch", res, err); err != nil {
return
}
return res.Body, nil
}
func (client *Client) Repository(project *Project) (repo *Repository, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("repos/%s/%s", project.Owner, project.Name))
if err = checkStatus(200, "getting repository info", res, err); err != nil {
return
}
repo = &Repository{}
err = res.Unmarshal(&repo)
return
}
func (client *Client) CreateRepository(project *Project, description, homepage string, isPrivate bool) (repo *Repository, err error) {
repoURL := "user/repos"
if project.Owner != client.Host.User {
repoURL = fmt.Sprintf("orgs/%s/repos", project.Owner)
}
params := map[string]interface{}{
"name": project.Name,
"description": description,
"homepage": homepage,
"private": isPrivate,
}
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSON(repoURL, params)
if err = checkStatus(201, "creating repository", res, err); err != nil {
return
}
repo = &Repository{}
err = res.Unmarshal(repo)
return
}
func (client *Client) DeleteRepository(project *Project) error {
api, err := client.simpleApi()
if err != nil {
return err
}
repoURL := fmt.Sprintf("repos/%s/%s", project.Owner, project.Name)
res, err := api.Delete(repoURL)
return checkStatus(204, "deleting repository", res, err)
}
type Release struct {
Name string `json:"name"`
TagName string `json:"tag_name"`
TargetCommitish string `json:"target_commitish"`
Body string `json:"body"`
Draft bool `json:"draft"`
Prerelease bool `json:"prerelease"`
Assets []ReleaseAsset `json:"assets"`
TarballUrl string `json:"tarball_url"`
ZipballUrl string `json:"zipball_url"`
HtmlUrl string `json:"html_url"`
UploadUrl string `json:"upload_url"`
ApiUrl string `json:"url"`
CreatedAt time.Time `json:"created_at"`
PublishedAt time.Time `json:"published_at"`
}
type ReleaseAsset struct {
Name string `json:"name"`
Label string `json:"label"`
DownloadUrl string `json:"browser_download_url"`
ApiUrl string `json:"url"`
}
func (client *Client) FetchReleases(project *Project, limit int, filter func(*Release) bool) (releases []Release, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
path := fmt.Sprintf("repos/%s/%s/releases?per_page=%d", project.Owner, project.Name, perPage(limit, 100))
releases = []Release{}
var res *simpleResponse
for path != "" {
res, err = api.Get(path)
if err = checkStatus(200, "fetching releases", res, err); err != nil {
return
}
path = res.Link("next")
releasesPage := []Release{}
if err = res.Unmarshal(&releasesPage); err != nil {
return
}
for _, release := range releasesPage {
if filter == nil || filter(&release) {
releases = append(releases, release)
if limit > 0 && len(releases) == limit {
path = ""
break
}
}
}
}
return
}
func (client *Client) FetchRelease(project *Project, tagName string) (*Release, error) {
releases, err := client.FetchReleases(project, 100, func(release *Release) bool {
return release.TagName == tagName
})
if err == nil {
if len(releases) < 1 {
return nil, fmt.Errorf("Unable to find release with tag name `%s'", tagName)
} else {
return &releases[0], nil
}
} else {
return nil, err
}
}
func (client *Client) CreateRelease(project *Project, releaseParams *Release) (release *Release, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSON(fmt.Sprintf("repos/%s/%s/releases", project.Owner, project.Name), releaseParams)
if err = checkStatus(201, "creating release", res, err); err != nil {
return
}
release = &Release{}
err = res.Unmarshal(release)
return
}
func (client *Client) EditRelease(release *Release, releaseParams map[string]interface{}) (updatedRelease *Release, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PatchJSON(release.ApiUrl, releaseParams)
if err = checkStatus(200, "editing release", res, err); err != nil {
return
}
updatedRelease = &Release{}
err = res.Unmarshal(updatedRelease)
return
}
func (client *Client) DeleteRelease(release *Release) (err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Delete(release.ApiUrl)
if err = checkStatus(204, "deleting release", res, err); err != nil {
return
}
return
}
func (client *Client) UploadReleaseAsset(release *Release, filename, label string) (asset *ReleaseAsset, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
parts := strings.SplitN(release.UploadUrl, "{", 2)
uploadUrl := parts[0]
uploadUrl += "?name=" + url.QueryEscape(filepath.Base(filename))
if label != "" {
uploadUrl += "&label=" + url.QueryEscape(label)
}
res, err := api.PostFile(uploadUrl, filename)
if err = checkStatus(201, "uploading release asset", res, err); err != nil {
return
}
asset = &ReleaseAsset{}
err = res.Unmarshal(asset)
return
}
func (client *Client) DeleteReleaseAsset(asset *ReleaseAsset) (err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Delete(asset.ApiUrl)
err = checkStatus(204, "deleting release asset", res, err)
return
}
func (client *Client) DownloadReleaseAsset(url string) (asset io.ReadCloser, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
resp, err := api.GetFile(url, "application/octet-stream")
if err = checkStatus(200, "downloading asset", resp, err); err != nil {
return
}
return resp.Body, err
}
type CIStatusResponse struct {
State string `json:"state"`
Statuses []CIStatus `json:"statuses"`
}
type CIStatus struct {
State string `json:"state"`
Context string `json:"context"`
TargetUrl string `json:"target_url"`
}
type CheckRunsResponse struct {
CheckRuns []CheckRun `json:"check_runs"`
}
type CheckRun struct {
Status string `json:"status"`
Conclusion string `json:"conclusion"`
Name string `json:"name"`
HtmlUrl string `json:"html_url"`
}
func (client *Client) FetchCIStatus(project *Project, sha string) (status *CIStatusResponse, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("repos/%s/%s/commits/%s/status", project.Owner, project.Name, sha))
if err = checkStatus(200, "fetching statuses", res, err); err != nil {
return
}
status = &CIStatusResponse{}
if err = res.Unmarshal(status); err != nil {
return
}
sortStatuses := func() {
sort.Slice(status.Statuses, func(a, b int) bool {
sA := status.Statuses[a]
sB := status.Statuses[b]
cmp := strings.Compare(strings.ToLower(sA.Context), strings.ToLower(sB.Context))
if cmp == 0 {
return strings.Compare(sA.TargetUrl, sB.TargetUrl) < 0
} else {
return cmp < 0
}
})
}
sortStatuses()
res, err = api.GetFile(fmt.Sprintf("repos/%s/%s/commits/%s/check-runs", project.Owner, project.Name, sha), checksType)
if err == nil && (res.StatusCode == 403 || res.StatusCode == 404 || res.StatusCode == 422) {
return
}
if err = checkStatus(200, "fetching checks", res, err); err != nil {
return
}
checks := &CheckRunsResponse{}
if err = res.Unmarshal(checks); err != nil {
return
}
for _, checkRun := range checks.CheckRuns {
state := "pending"
if checkRun.Status == "completed" {
state = checkRun.Conclusion
}
checkStatus := CIStatus{
State: state,
Context: checkRun.Name,
TargetUrl: checkRun.HtmlUrl,
}
status.Statuses = append(status.Statuses, checkStatus)
}
sortStatuses()
return
}
type Repository struct {
Name string `json:"name"`
FullName string `json:"full_name"`
Parent *Repository `json:"parent"`
Owner *User `json:"owner"`
Private bool `json:"private"`
HasWiki bool `json:"has_wiki"`
Permissions *RepositoryPermissions `json:"permissions"`
HtmlUrl string `json:"html_url"`
DefaultBranch string `json:"default_branch"`
}
type RepositoryPermissions struct {
Admin bool `json:"admin"`
Push bool `json:"push"`
Pull bool `json:"pull"`
}
func (client *Client) ForkRepository(project *Project, params map[string]interface{}) (repo *Repository, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSON(fmt.Sprintf("repos/%s/%s/forks", project.Owner, project.Name), params)
if err = checkStatus(202, "creating fork", res, err); err != nil {
return
}
repo = &Repository{}
err = res.Unmarshal(repo)
return
}
type Comment struct {
Id int `json:"id"`
Body string `json:"body"`
User *User `json:"user"`
CreatedAt time.Time `json:"created_at"`
}
type Issue struct {
Number int `json:"number"`
State string `json:"state"`
Title string `json:"title"`
Body string `json:"body"`
User *User `json:"user"`
PullRequest *PullRequest `json:"pull_request"`
Head *PullRequestSpec `json:"head"`
Base *PullRequestSpec `json:"base"`
MergeCommitSha string `json:"merge_commit_sha"`
MaintainerCanModify bool `json:"maintainer_can_modify"`
Draft bool `json:"draft"`
Comments int `json:"comments"`
Labels []IssueLabel `json:"labels"`
Assignees []User `json:"assignees"`
Milestone *Milestone `json:"milestone"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
MergedAt time.Time `json:"merged_at"`
RequestedReviewers []User `json:"requested_reviewers"`
RequestedTeams []Team `json:"requested_teams"`
ApiUrl string `json:"url"`
HtmlUrl string `json:"html_url"`
ClosedBy *User `json:"closed_by"`
}
type PullRequest Issue
type PullRequestSpec struct {
Label string `json:"label"`
Ref string `json:"ref"`
Sha string `json:"sha"`
Repo *Repository `json:"repo"`
}
func (pr *PullRequest) IsSameRepo() bool {
return pr.Head != nil && pr.Head.Repo != nil &&
pr.Head.Repo.Name == pr.Base.Repo.Name &&
pr.Head.Repo.Owner.Login == pr.Base.Repo.Owner.Login
}
func (pr *PullRequest) HasRequestedReviewer(name string) bool {
for _, user := range pr.RequestedReviewers {
if strings.EqualFold(user.Login, name) {
return true
}
}
return false
}
func (pr *PullRequest) HasRequestedTeam(name string) bool {
for _, team := range pr.RequestedTeams {
if strings.EqualFold(team.Slug, name) {
return true
}
}
return false
}
type IssueLabel struct {
Name string `json:"name"`
Color string `json:"color"`
}
type User struct {
Login string `json:"login"`
}
type Team struct {
Name string `json:"name"`
Slug string `json:"slug"`
}
type Milestone struct {
Number int `json:"number"`
Title string `json:"title"`
}
func (client *Client) FetchIssues(project *Project, filterParams map[string]interface{}, limit int, filter func(*Issue) bool) (issues []Issue, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
path := fmt.Sprintf("repos/%s/%s/issues?per_page=%d", project.Owner, project.Name, perPage(limit, 100))
if filterParams != nil {
path = addQuery(path, filterParams)
}
issues = []Issue{}
var res *simpleResponse
for path != "" {
res, err = api.Get(path)
if err = checkStatus(200, "fetching issues", res, err); err != nil {
return
}
path = res.Link("next")
issuesPage := []Issue{}
if err = res.Unmarshal(&issuesPage); err != nil {
return
}
for _, issue := range issuesPage {
if filter == nil || filter(&issue) {
issues = append(issues, issue)
if limit > 0 && len(issues) == limit {
path = ""
break
}
}
}
}
return
}
func (client *Client) FetchIssue(project *Project, number string) (issue *Issue, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("repos/%s/%s/issues/%s", project.Owner, project.Name, number))
if err = checkStatus(200, "fetching issue", res, err); err != nil {
return nil, err
}
issue = &Issue{}
err = res.Unmarshal(issue)
return
}
func (client *Client) FetchComments(project *Project, number string) (comments []Comment, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get(fmt.Sprintf("repos/%s/%s/issues/%s/comments", project.Owner, project.Name, number))
if err = checkStatus(200, "fetching comments for issue", res, err); err != nil {
return nil, err
}
comments = []Comment{}
err = res.Unmarshal(&comments)
return
}
func (client *Client) CreateIssue(project *Project, params interface{}) (issue *Issue, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PostJSON(fmt.Sprintf("repos/%s/%s/issues", project.Owner, project.Name), params)
if err = checkStatus(201, "creating issue", res, err); err != nil {
return
}
issue = &Issue{}
err = res.Unmarshal(issue)
return
}
func (client *Client) UpdateIssue(project *Project, issueNumber int, params map[string]interface{}) (err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.PatchJSON(fmt.Sprintf("repos/%s/%s/issues/%d", project.Owner, project.Name, issueNumber), params)
if err = checkStatus(200, "updating issue", res, err); err != nil {
return
}
res.Body.Close()
return
}
type sortedLabels []IssueLabel
func (s sortedLabels) Len() int {
return len(s)
}
func (s sortedLabels) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s sortedLabels) Less(i, j int) bool {
return strings.Compare(strings.ToLower(s[i].Name), strings.ToLower(s[j].Name)) < 0
}
func (client *Client) FetchLabels(project *Project) (labels []IssueLabel, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
path := fmt.Sprintf("repos/%s/%s/labels?per_page=100", project.Owner, project.Name)
labels = []IssueLabel{}
var res *simpleResponse
for path != "" {
res, err = api.Get(path)
if err = checkStatus(200, "fetching labels", res, err); err != nil {
return
}
path = res.Link("next")
labelsPage := []IssueLabel{}
if err = res.Unmarshal(&labelsPage); err != nil {
return
}
labels = append(labels, labelsPage...)
}
sort.Sort(sortedLabels(labels))
return
}
func (client *Client) FetchMilestones(project *Project) (milestones []Milestone, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
path := fmt.Sprintf("repos/%s/%s/milestones?per_page=100", project.Owner, project.Name)
milestones = []Milestone{}
var res *simpleResponse
for path != "" {
res, err = api.Get(path)
if err = checkStatus(200, "fetching milestones", res, err); err != nil {
return
}
path = res.Link("next")
milestonesPage := []Milestone{}
if err = res.Unmarshal(&milestonesPage); err != nil {
return
}
milestones = append(milestones, milestonesPage...)
}
return
}
func (client *Client) GenericAPIRequest(method, path string, data interface{}, headers map[string]string, ttl int) (*simpleResponse, error) {
api, err := client.simpleApi()
if err != nil {
return nil, err
}
api.CacheTTL = ttl
var body io.Reader
switch d := data.(type) {
case map[string]interface{}:
if method == "GET" {
path = addQuery(path, d)
} else if len(d) > 0 {
json, err := json.Marshal(d)
if err != nil {
return nil, err
}
body = bytes.NewBuffer(json)
}
case io.Reader:
body = d
}
return api.performRequest(method, path, body, func(req *http.Request) {
if body != nil {
req.Header.Set("Content-Type", "application/json; charset=utf-8")
}
for key, value := range headers {
req.Header.Set(key, value)
}
})
}
func (client *Client) CurrentUser() (user *User, err error) {
api, err := client.simpleApi()
if err != nil {
return
}
res, err := api.Get("user")
if err = checkStatus(200, "getting current user", res, err); err != nil {
return
}
user = &User{}
err = res.Unmarshal(user)
return
}
type AuthorizationEntry struct {
Token string `json:"token"`
}
func isToken(api *simpleClient, password string) bool {
api.PrepareRequest = func(req *http.Request) {
req.Header.Set("Authorization", "token "+password)
}
res, _ := api.Get("user")
if res != nil && res.StatusCode == 200 {
return true
}
return false
}
func (client *Client) FindOrCreateToken(user, password, twoFactorCode string) (token string, err error) {
api := client.apiClient()
if len(password) >= 40 && isToken(api, password) {
return password, nil
}
params := map[string]interface{}{
"scopes": []string{"repo"},
"note_url": OAuthAppURL,
}
api.PrepareRequest = func(req *http.Request) {
req.SetBasicAuth(user, password)
if twoFactorCode != "" {
req.Header.Set("X-GitHub-OTP", twoFactorCode)
}
}
count := 1
maxTries := 9
for {
params["note"], err = authTokenNote(count)
if err != nil {
return
}
res, postErr := api.PostJSON("authorizations", params)
if postErr != nil {
err = postErr
break
}
if res.StatusCode == 201 {
auth := &AuthorizationEntry{}
if err = res.Unmarshal(auth); err != nil {
return
}
token = auth.Token
break
} else if res.StatusCode == 422 && count < maxTries {
count++
} else {
errInfo, e := res.ErrorInfo()
if e == nil {
err = errInfo
} else {
err = e
}
return
}
}
return
}
func (client *Client) ensureAccessToken() error {
if client.Host.AccessToken == "" {
host, err := CurrentConfig().PromptForHost(client.Host.Host)
if err != nil {
return err
}
client.Host = host
}
return nil
}
func (client *Client) simpleApi() (c *simpleClient, err error) {
err = client.ensureAccessToken()
if err != nil {
return
}
if client.cachedClient != nil {
c = client.cachedClient
return
}
c = client.apiClient()
c.PrepareRequest = func(req *http.Request) {
clientDomain := normalizeHost(client.Host.Host)
if strings.HasPrefix(clientDomain, "api.github.") {
clientDomain = strings.TrimPrefix(clientDomain, "api.")
}
requestHost := strings.ToLower(req.URL.Host)
if requestHost == clientDomain || strings.HasSuffix(requestHost, "."+clientDomain) {
req.Header.Set("Authorization", "token "+client.Host.AccessToken)
}
}
client.cachedClient = c
return
}
func (client *Client) apiClient() *simpleClient {
unixSocket := os.ExpandEnv(client.Host.UnixSocket)
httpClient := newHttpClient(os.Getenv("HUB_TEST_HOST"), os.Getenv("HUB_VERBOSE") != "", unixSocket)
apiRoot := client.absolute(normalizeHost(client.Host.Host))
if !strings.HasPrefix(apiRoot.Host, "api.github.") {
apiRoot.Path = "/api/v3/"
}
return &simpleClient{
httpClient: httpClient,
rootUrl: apiRoot,
}
}
func (client *Client) absolute(host string) *url.URL {
u, err := url.Parse("https://" + host + "/")
if err != nil {
panic(err)
} else if client.Host != nil && client.Host.Protocol != "" {
u.Scheme = client.Host.Protocol
}
return u
}