auth
auth/config.go
Store salts and passphrases as hex-encoded strings. Update our passphraseScheme.create function signature to return strings. Hex encode our passphrases and salts when encrypthing them so they're easier to store safely. Decode our salt before using it to check candidate passphrases.
| paddy@96 | 1 package auth |
| paddy@96 | 2 |
| paddy@96 | 3 import ( |
| paddy@96 | 4 "errors" |
| paddy@96 | 5 "html/template" |
| paddy@101 | 6 "log" |
| paddy@96 | 7 ) |
| paddy@96 | 8 |
| paddy@96 | 9 var ( |
| paddy@96 | 10 // ErrInvalidLoginURI is returned when a Context is instantiated with a Config object that specifies a LoginURI that can't be parsed as a URL. |
| paddy@96 | 11 ErrInvalidLoginURI = errors.New("invalid login URI") |
| paddy@102 | 12 // ErrConfigNotInitialized is returned when a Context is instantiated with a Config object that hasn't had its Init function called. |
| paddy@102 | 13 ErrConfigNotInitialized = errors.New("config not initialized") |
| paddy@96 | 14 ) |
| paddy@96 | 15 |
| paddy@96 | 16 // Config holds the configuration values necessary to run a server. A Config |
| paddy@96 | 17 // instance is the only way to instantiate a Context variable. |
| paddy@96 | 18 type Config struct { |
| paddy@96 | 19 ClientStore clientStore |
| paddy@96 | 20 AuthCodeStore authorizationCodeStore |
| paddy@96 | 21 ProfileStore profileStore |
| paddy@96 | 22 TokenStore tokenStore |
| paddy@96 | 23 SessionStore sessionStore |
| paddy@96 | 24 Template *template.Template |
| paddy@96 | 25 LoginURI string |
| paddy@96 | 26 iterations int |
| paddy@96 | 27 } |
| paddy@101 | 28 |
| paddy@102 | 29 // Init is a function that preps the Config object to be used for Context creation, setting variables |
| paddy@102 | 30 // that are determined at the beginning of program execution. |
| paddy@101 | 31 func (c *Config) Init() error { |
| paddy@101 | 32 scheme, ok := passphraseSchemes[CurPassphraseScheme] |
| paddy@101 | 33 if !ok { |
| paddy@101 | 34 return ErrInvalidPassphraseScheme |
| paddy@101 | 35 } |
| paddy@101 | 36 var err error |
| paddy@101 | 37 c.iterations, err = scheme.calculateIterations() |
| paddy@101 | 38 if err != nil { |
| paddy@101 | 39 return err |
| paddy@101 | 40 } |
| paddy@101 | 41 log.Printf("Generating passphrases with %d iterations...\n", c.iterations) |
| paddy@101 | 42 return nil |
| paddy@101 | 43 } |