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settings.go
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settings.go
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package settings
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
drycc "github.com/drycc/controller-sdk-go"
"github.com/drycc/workflow-cli/version"
)
// DefaultResponseLimit is the default number of responses to return on requests that can
// be limited.
const DefaultResponseLimit = 100
// UserAgent is the user agent used by the CLI
var UserAgent = "Drycc Client " + version.Version
type settingsFile struct {
Username string `json:"username"`
VerifySSL bool `json:"ssl_verify"`
Controller string `json:"controller"`
Token string `json:"token"`
Limit int `json:"response_limit"`
}
// Settings is the settings object created from the settings file.
type Settings struct {
Username string
Limit int
Client *drycc.Client
}
// Load loads a new client from a settings file.
func Load(cf string) (*Settings, error) {
filename := locateSettingsFile(cf)
if _, err := os.Stat(filename); err != nil {
if os.IsNotExist(err) {
return nil, fmt.Errorf(`client configuration file not found at: %s
Are you logged in? Use 'drycc login' or 'drycc register' to get started`, filename)
}
return nil, err
}
contents, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
sF := settingsFile{}
if err = json.Unmarshal(contents, &sF); err != nil {
return nil, err
}
c, err := drycc.New(sF.VerifySSL, sF.Controller, sF.Token)
if err != nil {
return nil, err
}
// Set a custom user agent
c.UserAgent = UserAgent
settings := Settings{}
settings.Username = sF.Username
settings.Client = c
// If users have defined a custom response limit, respect it.
if sF.Limit > 0 {
settings.Limit = sF.Limit
} else {
settings.Limit = DefaultResponseLimit
}
return &settings, nil
}
// Save settings to a file
func (s *Settings) Save(cf string) (string, error) {
settings := settingsFile{Username: s.Username, VerifySSL: s.Client.VerifySSL,
Controller: s.Client.ControllerURL.String(), Token: s.Client.Token, Limit: s.Limit}
settingsContents, err := json.Marshal(settings)
if err != nil {
return "", err
}
if err = os.MkdirAll(filepath.Join(FindHome(), "/.drycc/"), 0700); err != nil {
return "", err
}
filename := locateSettingsFile(cf)
return filename, os.WriteFile(filename, settingsContents, 0600)
}
// Delete user's settings file.
func Delete(cf string) error {
filename := locateSettingsFile(cf)
if _, err := os.Stat(filename); err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
return os.Remove(filename)
}