package launchpad import ( "errors" "fmt" "net/http" "regexp" "github.com/MichaelMure/git-bug/bridge/core" "github.com/MichaelMure/git-bug/cache" "github.com/MichaelMure/git-bug/commands/input" ) var ErrBadProjectURL = errors.New("bad Launchpad project URL") func (Launchpad) ValidParams() map[string]interface{} { return map[string]interface{}{ "URL": nil, "Project": nil, } } func (l *Launchpad) Configure(repo *cache.RepoCache, params core.BridgeParams, interactive bool) (core.Configuration, error) { var err error var project string switch { case params.Project != "": project = params.Project case params.URL != "": // get project name from url project, err = splitURL(params.URL) default: if !interactive { return nil, fmt.Errorf("Non-interactive-mode is active. Please specify the project name with the --project option.") } // get project name from terminal prompt project, err = input.Prompt("Launchpad project name", "project name", input.Required) } if err != nil { return nil, err } // verify project ok, err := validateProject(project) if err != nil { return nil, err } if !ok { return nil, fmt.Errorf("project doesn't exist") } conf := make(core.Configuration) conf[core.ConfigKeyTarget] = target conf[confKeyProject] = project err = l.ValidateConfig(conf) if err != nil { return nil, err } return conf, nil } func (*Launchpad) ValidateConfig(conf core.Configuration) error { if v, ok := conf[core.ConfigKeyTarget]; !ok { return fmt.Errorf("missing %s key", core.ConfigKeyTarget) } else if v != target { return fmt.Errorf("unexpected target name: %v", v) } if _, ok := conf[confKeyProject]; !ok { return fmt.Errorf("missing %s key", confKeyProject) } return nil } func validateProject(project string) (bool, error) { url := fmt.Sprintf("%s/%s", apiRoot, project) client := &http.Client{ Timeout: defaultTimeout, } resp, err := client.Get(url) if err != nil { return false, err } _ = resp.Body.Close() return resp.StatusCode == http.StatusOK, nil } // extract project name from url func splitURL(url string) (string, error) { re := regexp.MustCompile(`launchpad\.net[\/:]([^\/]*[a-z]+)`) res := re.FindStringSubmatch(url) if res == nil { return "", ErrBadProjectURL } return res[1], nil }