func SetUser() gin.HandlerFunc {
return func(c *gin.Context) {
var user *model.User
t, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
var err error
user, err = store.GetUserLogin(c, t.Text)
return user.Hash, err
})
if err == nil {
confv := c.MustGet("config")
if conf, ok := confv.(*model.Config); ok {
user.Admin = conf.IsAdmin(user)
}
c.Set("user", user)
// if this is a session token (ie not the API token)
// this means the user is accessing with a web browser,
// so we should implement CSRF protection measures.
if t.Kind == token.SessToken {
err = token.CheckCsrf(c.Request, func(t *token.Token) (string, error) {
return user.Hash, nil
})
// if csrf token validation fails, exit immediately
// with a not authorized error.
if err != nil {
c.AbortWithStatus(http.StatusUnauthorized)
return
}
}
}
c.Next()
}
}
func GetCommit(c *gin.Context) {
repo := session.Repo(c)
parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
return repo.Hash, nil
})
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
if parsed.Text != repo.FullName {
c.AbortWithStatus(http.StatusUnauthorized)
return
}
commit := c.Param("sha")
branch := c.Query("branch")
if len(branch) == 0 {
branch = repo.Branch
}
build, err := store.GetBuildCommit(c, repo, commit, branch)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
c.JSON(http.StatusOK, build)
}
func GetPullRequest(c *gin.Context) {
repo := session.Repo(c)
refs := fmt.Sprintf("refs/pull/%s/head", c.Param("number"))
parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
return repo.Hash, nil
})
if err != nil {
c.AbortWithError(http.StatusBadRequest, err)
return
}
if parsed.Text != repo.FullName {
c.AbortWithStatus(http.StatusUnauthorized)
return
}
build, err := store.GetBuildRef(c, repo, refs)
if err != nil {
c.AbortWithError(http.StatusNotFound, err)
return
}
c.JSON(http.StatusOK, build)
}
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)
}
}
// fetch the .drone.yml file from the database
raw, sec, err := remote_.Script(user, repo, build)
if err != nil {
log.Errorf("failure to get .drone.yml for %s. %s", repo.FullName, err)
c.AbortWithError(404, err)
return
}
axes, err := matrix.Parse(string(raw))
if err != nil {
log.Errorf("failure to calculate matrix for %s. %s", repo.FullName, err)
c.AbortWithError(400, err)
return
}
if len(axes) == 0 {
axes = append(axes, matrix.Axis{})
}
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
}
key, _ := store.GetKey(c, repo)
// verify the branches can be built vs skipped
yconfig, _ := yaml.Parse(string(raw))
var match = false
for _, branch := range yconfig.Branches {
if branch == build.Branch {
match = true
break
}
match, _ = filepath.Match(branch, build.Branch)
if match {
break
}
}
if !match && len(yconfig.Branches) != 0 {
log.Infof("ignoring hook. yaml file excludes repo and branch %s %s", repo.FullName, build.Branch)
c.AbortWithStatus(200)
return
}
// update some build fields
build.Status = model.StatusPending
build.RepoID = repo.ID
// and use a transaction
var jobs []*model.Job
for num, axis := range axes {
jobs = append(jobs, &model.Job{
BuildID: build.ID,
Number: num + 1,
Status: model.StatusPending,
Environment: axis,
})
}
err = store.CreateBuild(c, build, jobs...)
if err != nil {
log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
c.JSON(200, build)
url := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
err = remote_.Status(user, repo, build, url)
if err != nil {
log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
}
// get the previous build so taht we can send
// on status change notifications
last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
engine_ := context.Engine(c)
go engine_.Schedule(c.Copy(), &engine.Task{
User: user,
Repo: repo,
Build: build,
BuildPrev: last,
Jobs: jobs,
Keys: key,
Netrc: netrc,
Config: string(raw),
Secret: string(sec),
System: &model.System{
Link: httputil.GetURL(c.Request),
Plugins: strings.Split(os.Getenv("PLUGIN_FILTER"), " "),
Globals: strings.Split(os.Getenv("PLUGIN_PARAMS"), " "),
},
})
}
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)
}
}
// fetch the build 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
}
sec, err := remote_.File(user, repo, build, config.Shasum)
if err != nil {
log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
// NOTE we don't exit on failure. The sec file is optional
}
axes, err := yaml.ParseMatrix(raw)
if err != nil {
c.String(500, "Failed to parse yaml file or calculate matrix. %s", err)
return
}
if len(axes) == 0 {
axes = append(axes, yaml.Axis{})
}
netrc, err := remote_.Netrc(user, repo)
if err != nil {
c.String(500, "Failed to generate netrc file. %s", err)
return
}
// verify the branches can be built vs skipped
branches := yaml.ParseBranch(raw)
if !branches.Match(build.Branch) && build.Event != model.EventTag && build.Event != model.EventDeploy {
c.String(200, "Branch does not match restrictions defined in yaml")
return
}
signature, err := jose.ParseSigned(string(sec))
if err != nil {
log.Debugf("cannot parse .drone.yml.sig file. %s", err)
} else if len(sec) == 0 {
log.Debugf("cannot parse .drone.yml.sig file. empty file")
} else {
build.Signed = true
output, err := signature.Verify([]byte(repo.Hash))
if err != nil {
log.Debugf("cannot verify .drone.yml.sig file. %s", err)
} else if string(output) != string(raw) {
log.Debugf("cannot verify .drone.yml.sig file. no match")
} else {
build.Verified = true
}
}
// update some build fields
build.Status = model.StatusPending
build.RepoID = repo.ID
// and use a transaction
var jobs []*model.Job
for num, axis := range axes {
jobs = append(jobs, &model.Job{
BuildID: build.ID,
Number: num + 1,
Status: model.StatusPending,
Environment: axis,
})
}
err = store.CreateBuild(c, build, jobs...)
if err != nil {
log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
c.AbortWithError(500, err)
return
}
c.JSON(200, build)
url := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
err = remote_.Status(user, repo, build, url)
if err != nil {
log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
}
// get the previous build so that we can send
// on status change notifications
last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
secs, err := store.GetSecretList(c, repo)
if err != nil {
log.Errorf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
}
bus.Publish(c, bus.NewBuildEvent(bus.Enqueued, repo, build))
for _, job := range jobs {
queue.Publish(c, &queue.Work{
Signed: build.Signed,
Verified: build.Verified,
User: user,
Repo: repo,
Build: build,
BuildLast: last,
Job: job,
Netrc: netrc,
Yaml: string(raw),
Secrets: secs,
System: &model.System{Link: httputil.GetURL(c.Request)},
})
}
}