Golang remote.FromContext函數代碼示例

func GetRepos(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)
	var repos []*model.RepoLite

	// get the repository list from the cache
	reposv, ok := c.Get("repos")
	if ok {
		repos = reposv.([]*model.RepoLite)
	} else {
		var err error
		repos, err = remote.Repos(user)
		if err != nil {
			c.AbortWithStatus(http.StatusInternalServerError)
			return
		}
	}

	// for each repository in the remote system we get
	// the intersection of those repostiories in Drone
	repos_, err := store.GetRepoListOf(c, repos)
	if err != nil {
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}

	c.Set("repos", repos)
	c.IndentedJSON(http.StatusOK, repos_)
}

func GetFeed(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)
	var repos []*model.RepoLite

	// get the repository list from the cache
	reposv, ok := c.Get("repos")
	if ok {
		repos = reposv.([]*model.RepoLite)
	} else {
		var err error
		repos, err = remote.Repos(user)
		if err != nil {
			c.String(400, err.Error())
			return
		}
	}

	feed, err := store.GetUserFeed(c, repos)
	if err != nil {
		c.String(400, err.Error())
		return
	}
	c.JSON(200, feed)
}

func GetLoginToken(c *gin.Context) {
	remote := remote.FromContext(c)

	in := &tokenPayload{}
	err := c.Bind(in)
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, err)
		return
	}

	login, err := remote.Auth(in.Access, in.Refresh)
	if err != nil {
		c.AbortWithError(http.StatusUnauthorized, err)
		return
	}

	user, err := store.GetUserLogin(c, login)
	if err != nil {
		c.AbortWithError(http.StatusNotFound, err)
		return
	}

	exp := time.Now().Add(time.Hour * 72).Unix()
	token := token.New(token.SessToken, user.Login)
	tokenstr, err := token.SignExpires(user.Hash, exp)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
		return
	}

	c.IndentedJSON(http.StatusOK, &tokenPayload{
		Access:  tokenstr,
		Expires: exp - time.Now().Unix(),
	})
}

func SetRepo() gin.HandlerFunc {
	return func(c *gin.Context) {
		var (
			owner = c.Param("owner")
			name  = c.Param("name")
		)

		user := User(c)
		repo, err := store.GetRepoOwnerName(c, owner, name)
		if err == nil {
			c.Set("repo", repo)
			c.Next()
			return
		}

		// if the user is not nil, check the remote system
		// to see if the repository actually exists. If yes,
		// we can prompt the user to add.
		if user != nil {
			remote := remote.FromContext(c)
			repo, err = remote.Repo(user, owner, name)
			if err != nil {
				log.Errorf("Cannot find remote repository %s/%s for user %s. %s",
					owner, name, user.Login, err)
			} else {
				log.Debugf("Found remote repository %s/%s for user %s",
					owner, name, user.Login)
			}
		}

		data := gin.H{
			"User": user,
			"Repo": repo,
		}

		// if we found a repository, we should display a page
		// to the user allowing them to activate.
		if repo != nil && len(repo.FullName) != 0 {
			// we should probably move this code to a
			// separate route, but for now we need to
			// add a CSRF token.
			data["Csrf"], _ = token.New(
				token.CsrfToken,
				user.Login,
			).Sign(user.Hash)

			c.HTML(http.StatusNotFound, "repo_activate.html", data)
		} else {
			c.HTML(http.StatusNotFound, "404.html", data)
		}

		c.Abort()
	}
}

func DeleteRepo(c *gin.Context) {
	remote := remote.FromContext(c)
	repo := session.Repo(c)
	user := session.User(c)

	err := store.DeleteRepo(c, repo)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
		return
	}

	remote.Deactivate(user, repo, httputil.GetURL(c.Request))
	c.Writer.WriteHeader(http.StatusOK)
}

func GetRemoteRepos(c *gin.Context) {
	user := session.User(c)
	remote := remote.FromContext(c)

	reposv, ok := c.Get("repos")
	if ok {
		c.IndentedJSON(http.StatusOK, reposv)
		return
	}

	repos, err := remote.Repos(user)
	if err != nil {
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}

	c.Set("repos", repos)
	c.IndentedJSON(http.StatusOK, repos)
}

func Refresh(c *gin.Context) {
	user := session.User(c)
	if user == nil {
		c.Next()
		return
	}

	// check if the remote includes the ability to
	// refresh the user token.
	remote_ := remote.FromContext(c)
	refresher, ok := remote_.(remote.Refresher)
	if !ok {
		c.Next()
		return
	}

	// check to see if the user token is expired or
	// will expire within the next 30 minutes (1800 seconds).
	// If not, there is nothing we really need to do here.
	if time.Now().UTC().Unix() < (user.Expiry - 1800) {
		c.Next()
		return
	}

	// attempts to refresh the access token. If the
	// token is refreshed, we must also persist to the
	// database.
	ok, _ = refresher.Refresh(user)
	if ok {
		err := store.UpdateUser(c, user)
		if err != nil {
			// we only log the error at this time. not sure
			// if we really want to fail the request, do we?
			log.Errorf("cannot refresh access token for %s. %s", user.Login, err)
		} else {
			log.Infof("refreshed access token for %s", user.Login)
		}
	}

	c.Next()
}

func (u *updater) SetBuild(c context.Context, r *Task) error {
	err := store.UpdateBuild(c, r.Build)
	if err != nil {
		return err
	}

	err = remote.FromContext(c).Status(r.User, r.Repo, r.Build, fmt.Sprintf("%s/%s/%d", r.System.Link, r.Repo.FullName, r.Build.Number))
	if err != nil {
		// log err
	}

	msg, err := json.Marshal(&payload{r.Build, r.Jobs})
	if err != nil {
		return err
	}

	u.bus.send(&Event{
		Name: r.Repo.FullName,
		Msg:  msg,
	})
	return nil
}

func ShowIndex(c *gin.Context) {
	remote := remote.FromContext(c)
	user := session.User(c)
	if user == nil {
		c.Redirect(http.StatusSeeOther, "/login")
		return
	}

	var err error
	var repos []*model.RepoLite

	// get the repository list from the cache
	reposv, ok := c.Get("repos")
	if ok {
		repos = reposv.([]*model.RepoLite)
	} else {
		repos, err = remote.Repos(user)
		if err != nil {
			log.Errorf("Failure to get remote repositories for %s. %s.",
				user.Login, err)
		} else {
			c.Set("repos", repos)
		}
	}

	// for each repository in the remote system we get
	// the intersection of those repostiories in Drone
	repos_, err := store.GetRepoListOf(c, repos)
	if err != nil {
		log.Errorf("Failure to get repository list for %s. %s.",
			user.Login, err)
	}

	c.HTML(200, "repos.html", gin.H{
		"User":  user,
		"Repos": repos_,
	})
}

func PostRepo(c *gin.Context) {
	remote := remote.FromContext(c)
	user := session.User(c)
	owner := c.Param("owner")
	name := c.Param("name")

	if user == nil {
		c.AbortWithStatus(403)
		return
	}

	r, err := remote.Repo(user, owner, name)
	if err != nil {
		c.String(404, err.Error())
		return
	}
	m, err := cache.GetPerms(c, user, owner, name)
	if err != nil {
		c.String(404, err.Error())
		return
	}
	if !m.Admin {
		c.String(403, "Administrative access is required.")
		return
	}

	// error if the repository already exists
	_, err = store.GetRepoOwnerName(c, owner, name)
	if err == nil {
		c.String(409, "Repository already exists.")
		return
	}

	// set the repository owner to the
	// currently authenticated user.
	r.UserID = user.ID
	r.AllowPush = true
	r.AllowPull = true
	r.Timeout = 60 // 1 hour default build time
	r.Hash = base32.StdEncoding.EncodeToString(
		securecookie.GenerateRandomKey(32),
	)

	// crates the jwt token used to verify the repository
	t := token.New(token.HookToken, r.FullName)
	sig, err := t.Sign(r.Hash)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	link := fmt.Sprintf(
		"%s/hook?access_token=%s",
		httputil.GetURL(c.Request),
		sig,
	)

	// activate the repository before we make any
	// local changes to the database.
	err = remote.Activate(user, r, link)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	// persist the repository
	err = store.CreateRepo(c, r)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	c.JSON(200, r)
}

func PostRepo(c *gin.Context) {
	remote := remote.FromContext(c)
	user := session.User(c)
	owner := c.Param("owner")
	name := c.Param("name")

	if user == nil {
		c.AbortWithStatus(403)
		return
	}

	r, err := remote.Repo(user, owner, name)
	if err != nil {
		c.String(404, err.Error())
		return
	}
	m, err := remote.Perm(user, owner, name)
	if err != nil {
		c.String(404, err.Error())
		return
	}
	if !m.Admin {
		c.String(403, "Administrative access is required.")
		return
	}

	// error if the repository already exists
	_, err = store.GetRepoOwnerName(c, owner, name)
	if err == nil {
		c.String(409, "Repository already exists.")
		return
	}

	// set the repository owner to the
	// currently authenticated user.
	r.UserID = user.ID
	r.AllowPush = true
	r.AllowPull = true
	r.Timeout = 60 // 1 hour default build time
	r.Hash = crypto.Rand()

	// crates the jwt token used to verify the repository
	t := token.New(token.HookToken, r.FullName)
	sig, err := t.Sign(r.Hash)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	link := fmt.Sprintf(
		"%s/hook?access_token=%s",
		httputil.GetURL(c.Request),
		sig,
	)

	// generate an RSA key and add to the repo
	key, err := crypto.GeneratePrivateKey()
	if err != nil {
		c.String(500, err.Error())
		return
	}
	keys := new(model.Key)
	keys.Public = string(crypto.MarshalPublicKey(&key.PublicKey))
	keys.Private = string(crypto.MarshalPrivateKey(key))

	// activate the repository before we make any
	// local changes to the database.
	err = remote.Activate(user, r, keys, link)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	// persist the repository
	err = store.CreateRepo(c, r)
	if err != nil {
		c.String(500, err.Error())
		return
	}
	keys.RepoID = r.ID
	err = store.CreateKey(c, keys)
	if err != nil {
		c.String(500, err.Error())
		return
	}

	c.JSON(200, r)
}

func PostHook(c *gin.Context) {
	remote_ := remote.FromContext(c)

	tmprepo, build, err := remote_.Hook(c.Request)
	if err != nil {
		log.Errorf("failure to parse hook. %s", err)
		c.AbortWithError(400, err)
		return
	}
	if build == nil {
		c.Writer.WriteHeader(200)
		return
	}
	if tmprepo == nil {
		log.Errorf("failure to ascertain repo from hook.")
		c.Writer.WriteHeader(400)
		return
	}

	// skip the build if any case-insensitive combination of the words "skip" and "ci"
	// wrapped in square brackets appear in the commit message
	skipMatch := skipRe.FindString(build.Message)
	if len(skipMatch) > 0 {
		log.Infof("ignoring hook. %s found in %s", skipMatch, build.Commit)
		c.Writer.WriteHeader(204)
		return
	}

	repo, err := store.GetRepoOwnerName(c, tmprepo.Owner, tmprepo.Name)
	if err != nil {
		log.Errorf("failure to find repo %s/%s from hook. %s", tmprepo.Owner, tmprepo.Name, err)
		c.AbortWithError(404, err)
		return
	}

	// get the token and verify the hook is authorized
	parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
		return repo.Hash, nil
	})
	if err != nil {
		log.Errorf("failure to parse token from hook for %s. %s", repo.FullName, err)
		c.AbortWithError(400, err)
		return
	}
	if parsed.Text != repo.FullName {
		log.Errorf("failure to verify token from hook. Expected %s, got %s", repo.FullName, parsed.Text)
		c.AbortWithStatus(403)
		return
	}

	if repo.UserID == 0 {
		log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName)
		c.Writer.WriteHeader(204)
		return
	}
	var skipped = true
	if (build.Event == model.EventPush && repo.AllowPush) ||
		(build.Event == model.EventPull && repo.AllowPull) ||
		(build.Event == model.EventDeploy && repo.AllowDeploy) ||
		(build.Event == model.EventTag && repo.AllowTag) {
		skipped = false
	}

	if skipped {
		log.Infof("ignoring hook. repo %s is disabled for %s events.", repo.FullName, build.Event)
		c.Writer.WriteHeader(204)
		return
	}

	user, err := store.GetUser(c, repo.UserID)
	if err != nil {
		log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	// if there is no email address associated with the pull request,
	// we lookup the email address based on the authors github login.
	//
	// my initial hesitation with this code is that it has the ability
	// to expose your email address. At the same time, your email address
	// is already exposed in the public .git log. So while some people will
	// a small number of people will probably be upset by this, I'm not sure
	// it is actually that big of a deal.
	if len(build.Email) == 0 {
		author, err := store.GetUserLogin(c, build.Author)
		if err == nil {
			build.Email = author.Email
		}
	}

	// if the remote has a refresh token, the current access token
	// may be stale. Therefore, we should refresh prior to dispatching
	// the job.
	if refresher, ok := remote_.(remote.Refresher); ok {
		ok, _ := refresher.Refresh(user)
		if ok {
			store.UpdateUser(c, user)
		}
	}
//.........這裏部分代碼省略.........

func PostHook(c *gin.Context) {
	remote_ := remote.FromContext(c)

	tmprepo, build, err := remote_.Hook(c.Request)
	if err != nil {
		log.Errorf("failure to parse hook. %s", err)
		c.AbortWithError(400, err)
		return
	}
	if build == nil {
		c.Writer.WriteHeader(200)
		return
	}
	if tmprepo == nil {
		log.Errorf("failure to ascertain repo from hook.")
		c.Writer.WriteHeader(400)
		return
	}

	// skip the build if any case-insensitive combination of the words "skip" and "ci"
	// wrapped in square brackets appear in the commit message
	skipMatch := skipRe.FindString(build.Message)
	if len(skipMatch) > 0 {
		log.Infof("ignoring hook. %s found in %s", skipMatch, build.Commit)
		c.Writer.WriteHeader(204)
		return
	}

	repo, err := store.GetRepoOwnerName(c, tmprepo.Owner, tmprepo.Name)
	if err != nil {
		log.Errorf("failure to find repo %s/%s from hook. %s", tmprepo.Owner, tmprepo.Name, err)
		c.AbortWithError(404, err)
		return
	}

	// get the token and verify the hook is authorized
	parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
		return repo.Hash, nil
	})
	if err != nil {
		log.Errorf("failure to parse token from hook for %s. %s", repo.FullName, err)
		c.AbortWithError(400, err)
		return
	}
	if parsed.Text != repo.FullName {
		log.Errorf("failure to verify token from hook. Expected %s, got %s", repo.FullName, parsed.Text)
		c.AbortWithStatus(403)
		return
	}

	if repo.UserID == 0 {
		log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName)
		c.Writer.WriteHeader(204)
		return
	}
	var skipped = true
	if (build.Event == model.EventPush && repo.AllowPush) ||
		(build.Event == model.EventPull && repo.AllowPull) ||
		(build.Event == model.EventDeploy && repo.AllowDeploy) ||
		(build.Event == model.EventTag && repo.AllowTag) {
		skipped = false
	}

	if skipped {
		log.Infof("ignoring hook. repo %s is disabled for %s events.", repo.FullName, build.Event)
		c.Writer.WriteHeader(204)
		return
	}

	user, err := store.GetUser(c, repo.UserID)
	if err != nil {
		log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	// if there is no email address associated with the pull request,
	// we lookup the email address based on the authors github login.
	//
	// my initial hesitation with this code is that it has the ability
	// to expose your email address. At the same time, your email address
	// is already exposed in the public .git log. So while some people will
	// a small number of people will probably be upset by this, I'm not sure
	// it is actually that big of a deal.
	if len(build.Email) == 0 {
		author, err := store.GetUserLogin(c, build.Author)
		if err == nil {
			build.Email = author.Email
		}
	}

	// if the remote has a refresh token, the current access token
	// may be stale. Therefore, we should refresh prior to dispatching
	// the job.
	if refresher, ok := remote_.(remote.Refresher); ok {
		ok, _ := refresher.Refresh(user)
		if ok {
			store.UpdateUser(c, user)
		}
	}
//.........這裏部分代碼省略.........

func PostBuild(c *gin.Context) {

	remote_ := remote.FromContext(c)
	repo := session.Repo(c)
	fork := c.DefaultQuery("fork", "false")

	num, err := strconv.Atoi(c.Param("number"))
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, err)
		return
	}

	user, err := store.GetUser(c, repo.UserID)
	if err != nil {
		log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	build, err := store.GetBuildNumber(c, repo, num)
	if err != nil {
		log.Errorf("failure to get build %d. %s", num, err)
		c.AbortWithError(404, err)
		return
	}

	// if the remote has a refresh token, the current access token
	// may be stale. Therefore, we should refresh prior to dispatching
	// the job.
	if refresher, ok := remote_.(remote.Refresher); ok {
		ok, _ := refresher.Refresh(user)
		if ok {
			store.UpdateUser(c, user)
		}
	}

	// fetch the .drone.yml file from the database
	config := ToConfig(c)
	raw, err := remote_.File(user, repo, build, config.Yaml)
	if err != nil {
		log.Errorf("failure to get build config for %s. %s", repo.FullName, err)
		c.AbortWithError(404, err)
		return
	}

	// Fetch secrets file but don't exit on error as it's optional
	sec, err := remote_.File(user, repo, build, config.Shasum)
	if err != nil {
		log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
	}

	netrc, err := remote_.Netrc(user, repo)
	if err != nil {
		log.Errorf("failure to generate netrc for %s. %s", repo.FullName, err)
		c.AbortWithError(500, err)
		return
	}

	jobs, err := store.GetJobList(c, build)
	if err != nil {
		log.Errorf("failure to get build %d jobs. %s", build.Number, err)
		c.AbortWithError(404, err)
		return
	}

	// must not restart a running build
	if build.Status == model.StatusPending || build.Status == model.StatusRunning {
		c.String(409, "Cannot re-start a started build")
		return
	}

	// forking the build creates a duplicate of the build
	// and then executes. This retains prior build history.
	if forkit, _ := strconv.ParseBool(fork); forkit {
		build.ID = 0
		build.Number = 0
		for _, job := range jobs {
			job.ID = 0
			job.NodeID = 0
		}
		err := store.CreateBuild(c, build, jobs...)
		if err != nil {
			c.String(500, err.Error())
			return
		}

		event := c.DefaultQuery("event", build.Event)
		if event == model.EventPush ||
			event == model.EventPull ||
			event == model.EventTag ||
			event == model.EventDeploy {
			build.Event = event
		}
		build.Deploy = c.DefaultQuery("deploy_to", build.Deploy)
	}

	// todo move this to database tier
	// and wrap inside a transaction
	build.Status = model.StatusPending
	build.Started = 0
//.........這裏部分代碼省略.........

func GetLogin(c *gin.Context) {
	remote := remote.FromContext(c)

	// when dealing with redirects we may need
	// to adjust the content type. I cannot, however,
	// remember why, so need to revisit this line.
	c.Writer.Header().Del("Content-Type")

	tmpuser, open, err := remote.Login(c.Writer, c.Request)
	if err != nil {
		log.Errorf("cannot authenticate user. %s", err)
		c.Redirect(303, "/login?error=oauth_error")
		return
	}
	// this will happen when the user is redirected by
	// the remote provide as part of the oauth dance.
	if tmpuser == nil {
		return
	}

	// get the user from the database
	u, err := store.GetUserLogin(c, tmpuser.Login)
	if err != nil {
		count, err := store.CountUsers(c)
		if err != nil {
			log.Errorf("cannot register %s. %s", tmpuser.Login, err)
			c.Redirect(303, "/login?error=internal_error")
			return
		}

		// if self-registration is disabled we should
		// return a notAuthorized error. the only exception
		// is if no users exist yet in the system we'll proceed.
		if !open && count != 0 {
			log.Errorf("cannot register %s. registration closed", tmpuser.Login)
			c.Redirect(303, "/login?error=access_denied")
			return
		}

		// create the user account
		u = &model.User{}
		u.Login = tmpuser.Login
		u.Token = tmpuser.Token
		u.Secret = tmpuser.Secret
		u.Email = tmpuser.Email
		u.Avatar = tmpuser.Avatar
		u.Hash = crypto.Rand()

		// insert the user into the database
		if err := store.CreateUser(c, u); err != nil {
			log.Errorf("cannot insert %s. %s", u.Login, err)
			c.Redirect(303, "/login?error=internal_error")
			return
		}

		// if this is the first user, they
		// should be an admin.
		if count == 0 {
			u.Admin = true
		}
	}

	// update the user meta data and authorization
	// data and cache in the datastore.
	u.Token = tmpuser.Token
	u.Secret = tmpuser.Secret
	u.Email = tmpuser.Email
	u.Avatar = tmpuser.Avatar

	if err := store.UpdateUser(c, u); err != nil {
		log.Errorf("cannot update %s. %s", u.Login, err)
		c.Redirect(303, "/login?error=internal_error")
		return
	}

	exp := time.Now().Add(time.Hour * 72).Unix()
	token := token.New(token.SessToken, u.Login)
	tokenstr, err := token.SignExpires(u.Hash, exp)
	if err != nil {
		log.Errorf("cannot create token for %s. %s", u.Login, err)
		c.Redirect(303, "/login?error=internal_error")
		return
	}

	httputil.SetCookie(c.Writer, c.Request, "user_sess", tokenstr)
	redirect := httputil.GetCookie(c.Request, "user_last")
	if len(redirect) == 0 {
		redirect = "/"
	}
	c.Redirect(303, redirect)

}