gitea/modules/migrations/github.go

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// Copyright 2019 The Gitea Authors. All rights reserved.
// Copyright 2018 Jonas Franz. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"context"
"fmt"
"net/http"
"net/url"
"strings"
"time"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/migrations/base"
"code.gitea.io/gitea/modules/structs"
"github.com/google/go-github/v24/github"
"golang.org/x/oauth2"
)
var (
_ base.Downloader = &GithubDownloaderV3{}
_ base.DownloaderFactory = &GithubDownloaderV3Factory{}
)
func init() {
RegisterDownloaderFactory(&GithubDownloaderV3Factory{})
}
// GithubDownloaderV3Factory defines a github downloader v3 factory
type GithubDownloaderV3Factory struct {
}
// Match returns ture if the migration remote URL matched this downloader factory
func (f *GithubDownloaderV3Factory) Match(opts base.MigrateOptions) (bool, error) {
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u, err := url.Parse(opts.CloneAddr)
if err != nil {
return false, err
}
return strings.EqualFold(u.Host, "github.com") && opts.AuthUsername != "", nil
}
// New returns a Downloader related to this factory according MigrateOptions
func (f *GithubDownloaderV3Factory) New(opts base.MigrateOptions) (base.Downloader, error) {
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u, err := url.Parse(opts.CloneAddr)
if err != nil {
return nil, err
}
fields := strings.Split(u.Path, "/")
oldOwner := fields[1]
oldName := strings.TrimSuffix(fields[2], ".git")
log.Trace("Create github downloader: %s/%s", oldOwner, oldName)
return NewGithubDownloaderV3(opts.AuthUsername, opts.AuthPassword, oldOwner, oldName), nil
}
// GitServiceType returns the type of git service
func (f *GithubDownloaderV3Factory) GitServiceType() structs.GitServiceType {
return structs.GithubService
}
// GithubDownloaderV3 implements a Downloader interface to get repository informations
// from github via APIv3
type GithubDownloaderV3 struct {
ctx context.Context
client *github.Client
repoOwner string
repoName string
userName string
password string
rate *github.Rate
}
// NewGithubDownloaderV3 creates a github Downloader via github v3 API
func NewGithubDownloaderV3(userName, password, repoOwner, repoName string) *GithubDownloaderV3 {
var downloader = GithubDownloaderV3{
userName: userName,
password: password,
ctx: context.Background(),
repoOwner: repoOwner,
repoName: repoName,
}
var client *http.Client
if userName != "" {
if password == "" {
ts := oauth2.StaticTokenSource(
&oauth2.Token{AccessToken: userName},
)
client = oauth2.NewClient(downloader.ctx, ts)
} else {
client = &http.Client{
Transport: &http.Transport{
Proxy: func(req *http.Request) (*url.URL, error) {
req.SetBasicAuth(userName, password)
return nil, nil
},
},
}
}
}
downloader.client = github.NewClient(client)
return &downloader
}
// SetContext set context
func (g *GithubDownloaderV3) SetContext(ctx context.Context) {
g.ctx = ctx
}
func (g *GithubDownloaderV3) sleep() {
for g.rate != nil && g.rate.Remaining <= 0 {
timer := time.NewTimer(time.Until(g.rate.Reset.Time))
select {
case <-g.ctx.Done():
timer.Stop()
return
case <-timer.C:
}
rates, _, err := g.client.RateLimits(g.ctx)
if err != nil {
log.Error("g.client.RateLimits: %s", err)
}
g.rate = rates.GetCore()
}
}
// GetRepoInfo returns a repository information
func (g *GithubDownloaderV3) GetRepoInfo() (*base.Repository, error) {
g.sleep()
gr, resp, err := g.client.Repositories.Get(g.ctx, g.repoOwner, g.repoName)
if err != nil {
return nil, err
}
g.rate = &resp.Rate
// convert github repo to stand Repo
return &base.Repository{
Owner: g.repoOwner,
Name: gr.GetName(),
IsPrivate: *gr.Private,
Description: gr.GetDescription(),
OriginalURL: gr.GetHTMLURL(),
CloneURL: gr.GetCloneURL(),
}, nil
}
// GetTopics return github topics
func (g *GithubDownloaderV3) GetTopics() ([]string, error) {
g.sleep()
r, resp, err := g.client.Repositories.Get(g.ctx, g.repoOwner, g.repoName)
if err != nil {
return nil, err
}
g.rate = &resp.Rate
return r.Topics, nil
}
// GetMilestones returns milestones
func (g *GithubDownloaderV3) GetMilestones() ([]*base.Milestone, error) {
var perPage = 100
var milestones = make([]*base.Milestone, 0, perPage)
for i := 1; ; i++ {
g.sleep()
ms, resp, err := g.client.Issues.ListMilestones(g.ctx, g.repoOwner, g.repoName,
&github.MilestoneListOptions{
State: "all",
ListOptions: github.ListOptions{
Page: i,
PerPage: perPage,
}})
if err != nil {
return nil, err
}
g.rate = &resp.Rate
for _, m := range ms {
var desc string
if m.Description != nil {
desc = *m.Description
}
var state = "open"
if m.State != nil {
state = *m.State
}
milestones = append(milestones, &base.Milestone{
Title: *m.Title,
Description: desc,
Deadline: m.DueOn,
State: state,
Created: *m.CreatedAt,
Updated: m.UpdatedAt,
Closed: m.ClosedAt,
})
}
if len(ms) < perPage {
break
}
}
return milestones, nil
}
func convertGithubLabel(label *github.Label) *base.Label {
var desc string
if label.Description != nil {
desc = *label.Description
}
return &base.Label{
Name: *label.Name,
Color: *label.Color,
Description: desc,
}
}
// GetLabels returns labels
func (g *GithubDownloaderV3) GetLabels() ([]*base.Label, error) {
var perPage = 100
var labels = make([]*base.Label, 0, perPage)
for i := 1; ; i++ {
g.sleep()
ls, resp, err := g.client.Issues.ListLabels(g.ctx, g.repoOwner, g.repoName,
&github.ListOptions{
Page: i,
PerPage: perPage,
})
if err != nil {
return nil, err
}
g.rate = &resp.Rate
for _, label := range ls {
labels = append(labels, convertGithubLabel(label))
}
if len(ls) < perPage {
break
}
}
return labels, nil
}
func (g *GithubDownloaderV3) convertGithubRelease(rel *github.RepositoryRelease) *base.Release {
var (
name string
desc string
)
if rel.Body != nil {
desc = *rel.Body
}
if rel.Name != nil {
name = *rel.Name
}
var email string
if rel.Author.Email != nil {
email = *rel.Author.Email
}
r := &base.Release{
TagName: *rel.TagName,
TargetCommitish: *rel.TargetCommitish,
Name: name,
Body: desc,
Draft: *rel.Draft,
Prerelease: *rel.Prerelease,
Created: rel.CreatedAt.Time,
PublisherID: *rel.Author.ID,
PublisherName: *rel.Author.Login,
PublisherEmail: email,
Published: rel.PublishedAt.Time,
}
for _, asset := range rel.Assets {
u, _ := url.Parse(*asset.BrowserDownloadURL)
u.User = url.UserPassword(g.userName, g.password)
r.Assets = append(r.Assets, base.ReleaseAsset{
URL: u.String(),
Name: *asset.Name,
ContentType: asset.ContentType,
Size: asset.Size,
DownloadCount: asset.DownloadCount,
Created: asset.CreatedAt.Time,
Updated: asset.UpdatedAt.Time,
})
}
return r
}
// GetReleases returns releases
func (g *GithubDownloaderV3) GetReleases() ([]*base.Release, error) {
var perPage = 100
var releases = make([]*base.Release, 0, perPage)
for i := 1; ; i++ {
g.sleep()
ls, resp, err := g.client.Repositories.ListReleases(g.ctx, g.repoOwner, g.repoName,
&github.ListOptions{
Page: i,
PerPage: perPage,
})
if err != nil {
return nil, err
}
g.rate = &resp.Rate
for _, release := range ls {
releases = append(releases, g.convertGithubRelease(release))
}
if len(ls) < perPage {
break
}
}
return releases, nil
}
func convertGithubReactions(reactions *github.Reactions) *base.Reactions {
return &base.Reactions{
TotalCount: *reactions.TotalCount,
PlusOne: *reactions.PlusOne,
MinusOne: *reactions.MinusOne,
Laugh: *reactions.Laugh,
Confused: *reactions.Confused,
Heart: *reactions.Heart,
Hooray: *reactions.Hooray,
}
}
// GetIssues returns issues according start and limit
func (g *GithubDownloaderV3) GetIssues(page, perPage int) ([]*base.Issue, bool, error) {
opt := &github.IssueListByRepoOptions{
Sort: "created",
Direction: "asc",
State: "all",
ListOptions: github.ListOptions{
PerPage: perPage,
Page: page,
},
}
var allIssues = make([]*base.Issue, 0, perPage)
g.sleep()
issues, resp, err := g.client.Issues.ListByRepo(g.ctx, g.repoOwner, g.repoName, opt)
if err != nil {
return nil, false, fmt.Errorf("error while listing repos: %v", err)
}
g.rate = &resp.Rate
for _, issue := range issues {
if issue.IsPullRequest() {
continue
}
var body string
if issue.Body != nil {
body = *issue.Body
}
var milestone string
if issue.Milestone != nil {
milestone = *issue.Milestone.Title
}
var labels = make([]*base.Label, 0, len(issue.Labels))
for _, l := range issue.Labels {
labels = append(labels, convertGithubLabel(&l))
}
var reactions *base.Reactions
if issue.Reactions != nil {
reactions = convertGithubReactions(issue.Reactions)
}
var email string
if issue.User.Email != nil {
email = *issue.User.Email
}
allIssues = append(allIssues, &base.Issue{
Title: *issue.Title,
Number: int64(*issue.Number),
PosterID: *issue.User.ID,
PosterName: *issue.User.Login,
PosterEmail: email,
Content: body,
Milestone: milestone,
State: *issue.State,
Created: *issue.CreatedAt,
Labels: labels,
Reactions: reactions,
Closed: issue.ClosedAt,
IsLocked: *issue.Locked,
})
}
return allIssues, len(issues) < perPage, nil
}
// GetComments returns comments according issueNumber
func (g *GithubDownloaderV3) GetComments(issueNumber int64) ([]*base.Comment, error) {
var allComments = make([]*base.Comment, 0, 100)
opt := &github.IssueListCommentsOptions{
Sort: "created",
Direction: "asc",
ListOptions: github.ListOptions{
PerPage: 100,
},
}
for {
g.sleep()
comments, resp, err := g.client.Issues.ListComments(g.ctx, g.repoOwner, g.repoName, int(issueNumber), opt)
if err != nil {
return nil, fmt.Errorf("error while listing repos: %v", err)
}
g.rate = &resp.Rate
for _, comment := range comments {
var email string
if comment.User.Email != nil {
email = *comment.User.Email
}
var reactions *base.Reactions
if comment.Reactions != nil {
reactions = convertGithubReactions(comment.Reactions)
}
allComments = append(allComments, &base.Comment{
IssueIndex: issueNumber,
PosterID: *comment.User.ID,
PosterName: *comment.User.Login,
PosterEmail: email,
Content: *comment.Body,
Created: *comment.CreatedAt,
Reactions: reactions,
})
}
if resp.NextPage == 0 {
break
}
opt.Page = resp.NextPage
}
return allComments, nil
}
// GetPullRequests returns pull requests according page and perPage
func (g *GithubDownloaderV3) GetPullRequests(page, perPage int) ([]*base.PullRequest, error) {
opt := &github.PullRequestListOptions{
Sort: "created",
Direction: "asc",
State: "all",
ListOptions: github.ListOptions{
PerPage: perPage,
Page: page,
},
}
var allPRs = make([]*base.PullRequest, 0, perPage)
g.sleep()
prs, resp, err := g.client.PullRequests.List(g.ctx, g.repoOwner, g.repoName, opt)
if err != nil {
return nil, fmt.Errorf("error while listing repos: %v", err)
}
g.rate = &resp.Rate
for _, pr := range prs {
var body string
if pr.Body != nil {
body = *pr.Body
}
var milestone string
if pr.Milestone != nil {
milestone = *pr.Milestone.Title
}
var labels = make([]*base.Label, 0, len(pr.Labels))
for _, l := range pr.Labels {
labels = append(labels, convertGithubLabel(l))
}
// FIXME: This API missing reactions, we may need another extra request to get reactions
var email string
if pr.User.Email != nil {
email = *pr.User.Email
}
var merged bool
// pr.Merged is not valid, so use MergedAt to test if it's merged
if pr.MergedAt != nil {
merged = true
}
var (
headRepoName string
cloneURL string
headRef string
headSHA string
)
if pr.Head.Repo != nil {
if pr.Head.Repo.Name != nil {
headRepoName = *pr.Head.Repo.Name
}
if pr.Head.Repo.CloneURL != nil {
cloneURL = *pr.Head.Repo.CloneURL
}
}
if pr.Head.Ref != nil {
headRef = *pr.Head.Ref
}
if pr.Head.SHA != nil {
headSHA = *pr.Head.SHA
}
var mergeCommitSHA string
if pr.MergeCommitSHA != nil {
mergeCommitSHA = *pr.MergeCommitSHA
}
var headUserName string
if pr.Head.User != nil && pr.Head.User.Login != nil {
headUserName = *pr.Head.User.Login
}
allPRs = append(allPRs, &base.PullRequest{
Title: *pr.Title,
Number: int64(*pr.Number),
PosterName: *pr.User.Login,
PosterID: *pr.User.ID,
PosterEmail: email,
Content: body,
Milestone: milestone,
State: *pr.State,
Created: *pr.CreatedAt,
Closed: pr.ClosedAt,
Labels: labels,
Merged: merged,
MergeCommitSHA: mergeCommitSHA,
MergedTime: pr.MergedAt,
IsLocked: pr.ActiveLockReason != nil,
Head: base.PullRequestBranch{
Ref: headRef,
SHA: headSHA,
RepoName: headRepoName,
OwnerName: headUserName,
CloneURL: cloneURL,
},
Base: base.PullRequestBranch{
Ref: *pr.Base.Ref,
SHA: *pr.Base.SHA,
RepoName: *pr.Base.Repo.Name,
OwnerName: *pr.Base.User.Login,
},
PatchURL: *pr.PatchURL,
})
}
return allPRs, nil
}