package server import ( "strings" log "github.com/drone/drone/Godeps/_workspace/src/github.com/Sirupsen/logrus" "github.com/drone/drone/Godeps/_workspace/src/github.com/gin-gonic/gin" "github.com/drone/drone/pkg/queue" common "github.com/drone/drone/pkg/types" "github.com/drone/drone/pkg/yaml" "github.com/drone/drone/pkg/yaml/inject" "github.com/drone/drone/pkg/yaml/matrix" "github.com/drone/drone/pkg/yaml/secure" ) // PostHook accepts a post-commit hook and parses the payload // in order to trigger a build. // // GET /api/hook // func PostHook(c *gin.Context) { remote := ToRemote(c) store := ToDatastore(c) queue_ := ToQueue(c) conf := ToSettings(c) hook, err := remote.Hook(c.Request) if err != nil { log.Errorf("failure to parse hook. %s", err) c.Fail(400, err) return } if hook == nil { c.Writer.WriteHeader(200) return } if hook.Repo == nil { log.Errorf("failure to ascertain repo from hook.") c.Writer.WriteHeader(400) return } // a build may be skipped if the text [CI SKIP] // is found inside the commit message if hook.Commit != nil && strings.Contains(hook.Commit.Message, "[CI SKIP]") { log.Infof("ignoring hook. [ci skip] found for %s") c.Writer.WriteHeader(204) return } repo, err := store.RepoName(hook.Repo.Owner, hook.Repo.Name) if err != nil { log.Errorf("failure to find repo %s/%s from hook. %s", hook.Repo.Owner, hook.Repo.Name, err) c.Fail(404, err) return } // get the token and verify the hook is authorized if c.Request.FormValue("access_token") != hash(repo.FullName, repo.Hash) { log.Errorf("invalid token sent with hook.") c.AbortWithStatus(403) return } switch { case repo.UserID == 0: log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName) c.Writer.WriteHeader(204) return case !repo.Hooks.Push && hook.PullRequest != nil: log.Infof("ignoring hook. repo %s is disabled.", repo.FullName) c.Writer.WriteHeader(204) return case !repo.Hooks.PullRequest && hook.PullRequest == nil: log.Warnf("ignoring hook. repo %s is disabled for pull requests.", repo.FullName) c.Writer.WriteHeader(204) return } user, err := store.User(repo.UserID) if err != nil { log.Errorf("failure to find repo owner %s. %s", repo.FullName, err) c.Fail(500, err) return } build := &common.Build{} build.Commit = hook.Commit build.PullRequest = hook.PullRequest build.Status = common.StatePending build.RepoID = repo.ID // fetch the .drone.yml file from the database raw, err := remote.Script(user, repo, build) if err != nil { log.Errorf("failure to get .drone.yml for %s. %s", repo.FullName, err) c.Fail(404, err) return } // inject any private parameters into the .drone.yml if repo.Params != nil && len(repo.Params) != 0 { raw = []byte(inject.InjectSafe(string(raw), repo.Params)) } encrypted, _ := secure.Parse(repo.Hash, string(raw)) if encrypted != nil && len(encrypted) != 0 { raw = []byte(inject.InjectSafe(string(raw), encrypted)) } axes, err := matrix.Parse(string(raw)) if err != nil { log.Errorf("failure to calculate matrix for %s. %s", repo.FullName, err) c.Fail(404, err) return } if len(axes) == 0 { axes = append(axes, matrix.Axis{}) } for num, axis := range axes { build.Jobs = append(build.Jobs, &common.Job{ BuildID: build.ID, Number: num + 1, Status: common.StatePending, Environment: axis, }) } netrc, err := remote.Netrc(user) if err != nil { log.Errorf("failure to generate netrc for %s. %s", repo.FullName, err) c.Fail(500, err) return } // verify the branches can be built vs skipped when, _ := parser.ParseCondition(string(raw)) if build.PullRequest != nil && when != nil && !when.MatchBranch(build.Commit.Branch) { log.Infof("ignoring hook. yaml file excludes repo and branch %s %s", repo.FullName, build.Commit.Branch) c.AbortWithStatus(200) return } err = store.AddBuild(build) if err != nil { log.Errorf("failure to save commit for %s. %s", repo.FullName, err) c.Fail(500, err) return } c.JSON(200, build) err = remote.Status(user, repo, build) if err != nil { log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number) } queue_.Publish(&queue.Work{ User: user, Repo: repo, Build: build, Keys: repo.Keys, Netrc: netrc, Yaml: raw, Plugins: conf.Plugins, Env: conf.Environment, }) }