4d56716fe8
--- type: change message: |- Give the project a proper root, dehub.dev/src/dehub.git "dehub" was being used as a placeholder up till this point, but now that the project has matured enough to have a home, and people will want to be installing the binary, it's time to give it a proper import root. change_hash: ADTjLNnPARatUjx6HDo7m3O+0KUcWvcMJq1kNrj9++PU credentials: - type: pgp_signature pub_key_id: 95C46FA6A41148AC body: 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 account: mediocregopher
95 lines
2.6 KiB
Go
95 lines
2.6 KiB
Go
package dehub
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import (
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"dehub.dev/src/dehub.git/accessctl"
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"dehub.dev/src/dehub.git/fs"
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"dehub.dev/src/dehub.git/sigcred"
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"errors"
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"fmt"
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yaml "gopkg.in/yaml.v2"
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)
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// Account represents a single account defined in the Config.
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type Account struct {
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ID string `yaml:"id"`
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Signifiers []sigcred.Signifier `yaml:"signifiers"`
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Meta map[string]string `yaml:"meta,omitempty"`
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}
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// Config represents the structure of the main dehub configuration file, and is
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// used to marshal/unmarshal the yaml file.
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type Config struct {
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Accounts []Account `yaml:"accounts"`
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AccessControls []accessctl.AccessControl `yaml:"access_controls"`
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}
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func (r *Repo) loadConfig(fs fs.FS) (Config, error) {
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rc, err := fs.Open(ConfigPath)
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if err != nil {
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return Config{}, fmt.Errorf("could not open config.yml: %w", err)
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}
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defer rc.Close()
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var cfg Config
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if err := yaml.NewDecoder(rc).Decode(&cfg); err != nil {
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return cfg, fmt.Errorf("could not decode config.yml: %w", err)
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}
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// older config versions also had access_controls be an array, but not using
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// the action field. So filter out array elements without the action field.
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acl := cfg.AccessControls
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cfg.AccessControls = cfg.AccessControls[:0]
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for _, ac := range acl {
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if ac.Action == "" {
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continue
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}
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cfg.AccessControls = append(cfg.AccessControls, ac)
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}
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// TODO validate Config
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return cfg, nil
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}
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// LoadConfig loads the Config object from the HEAD of the repo, or directly
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// from the filesystem if there is no HEAD yet.
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func (r *Repo) LoadConfig() (Config, error) {
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headFS, err := r.headFS()
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if err != nil {
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return Config{}, fmt.Errorf("error retrieving repo HEAD: %w", err)
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}
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return r.loadConfig(headFS)
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}
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func (r *Repo) signifierForCredential(fs fs.FS, cred sigcred.Credential) (sigcred.SignifierInterface, error) {
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cfg, err := r.loadConfig(fs)
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if err != nil {
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return nil, fmt.Errorf("error loading config: %w", err)
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}
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var account Account
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var ok bool
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for _, account = range cfg.Accounts {
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if account.ID == cred.AccountID {
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ok = true
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break
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}
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}
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if !ok {
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return nil, fmt.Errorf("no account object for account id %q present in config", cred.AccountID)
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}
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for i, sig := range account.Signifiers {
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if sigInt, err := sig.Interface(cred.AccountID); err != nil {
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return nil, fmt.Errorf("error converting signifier index:%d to inteface: %w", i, err)
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} else if ok, err := sigInt.Signed(fs, cred); err != nil {
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return nil, fmt.Errorf("error checking if signfier index:%d signed credential: %w", i, err)
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} else if ok {
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return sigInt, nil
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}
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}
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return nil, errors.New("no signifier found for credential")
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}
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