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This is awesome. You're going to love this. `safe local` will spin up a Vault, for you, initialize it, unseal it, target it, authenticate to it, and then create a secret/handshake for you. All at almost no cost to you! Closes #134
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| // not crypto, not significant | ||
| "math/rand" | ||
| "time" | ||
| ) | ||
|
|
||
| var Adjectives []string | ||
| var Nouns []string | ||
|
|
||
| func init() { | ||
| Adjectives = []string{ | ||
| "hardened", | ||
| "toughened", | ||
| "annealed", | ||
| "tempered", | ||
| "fortified", | ||
| "bastioned", | ||
| "bolstered", | ||
| "reinforced", | ||
| "inviolable", | ||
| "impregnable", | ||
| "unassailable", | ||
| "impervious", | ||
| "unbreakable", | ||
| "infrangible", | ||
| "stalwart", | ||
| "sturdy", | ||
| "stouthearted", | ||
| } | ||
|
|
||
| Nouns = []string{ | ||
| "garrison", | ||
| "fortress", | ||
| "castle", | ||
| "keep", | ||
| "outpost", | ||
| "coffer", | ||
| "zone", | ||
| "sanctuary", | ||
| "refuge", | ||
| "asylum", | ||
| "hold", | ||
| "oubliette", | ||
| "donjon", | ||
| "dungeon", | ||
| "gaol", | ||
| } | ||
| } | ||
|
|
||
| func init() { | ||
| rand.Seed(time.Now().Unix()) | ||
| } | ||
|
|
||
| func RandomName() string { | ||
| return fmt.Sprintf("%s-%s", | ||
| Adjectives[rand.Intn(len(Adjectives))], | ||
| Nouns[rand.Intn(len(Nouns))]) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package vault | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| func (v *Vault) NewRootToken(keys []string) (string, error) { | ||
| // cancel any previous generate-root attmempts (get a new nonce!) | ||
| req, err := http.NewRequest("DELETE", v.url("/v1/sys/generate-root/attempt"), nil) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| res, err := v.request(req) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if res.StatusCode != 204 { | ||
| return "", fmt.Errorf("failed to cancel previous generate-root attempt: HTTP %d response", res.StatusCode) | ||
| } | ||
|
|
||
| // generate a 16-byte one-time password, base64-encoded | ||
| otp := make([]byte, 16) | ||
| otp64 := make([]byte, 24) // does this need pre-alloc'd? | ||
| _, err = rand.Read(otp) | ||
| if err != nil { | ||
| return "", fmt.Errorf("unable to generate a one-time password: %s", err) | ||
| } | ||
| base64.StdEncoding.Encode(otp64, otp) | ||
|
|
||
| // initiate a new generate-root attempt, with our one-time password in play | ||
| req, err = http.NewRequest("PUT", v.url("/v1/sys/generate-root/attempt"), strings.NewReader(`{"otp":"`+string(otp64)+`"}`)) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| res, err = v.request(req) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if res.StatusCode != 200 { | ||
| return "", fmt.Errorf("failed to start a new generate-root attempt: HTTP %d response", res.StatusCode) | ||
| } | ||
|
|
||
| // extract the nonce for this generate-root attempt go-round | ||
| var attempt struct { | ||
| Nonce string `json:"nonce"` | ||
| } | ||
| b, err := ioutil.ReadAll(res.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| err = json.Unmarshal(b, &attempt) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| encoded := "" | ||
| for _, k := range keys { | ||
| // for each key, pass back the nonce, provide the key, and go! | ||
| payload := `{"key":"` + k + `","nonce":"` + attempt.Nonce + `"}` | ||
| req, err := http.NewRequest("PUT", v.url("/v1/sys/generate-root/update"), strings.NewReader(payload)) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| res, err := v.request(req) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if res.StatusCode != 200 { | ||
| return "", fmt.Errorf("failed to provide seal key to Vault: HTTP %d response", res.StatusCode) | ||
| } | ||
|
|
||
| // parse the response and save the encoded (token^otp) token | ||
| var out struct { | ||
| EncodedToken string `json:"encoded_token"` | ||
| Complete bool `json:"complete"` | ||
| } | ||
| b, err := ioutil.ReadAll(res.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| err = json.Unmarshal(b, &out) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if out.Complete { | ||
| encoded = out.EncodedToken | ||
| } | ||
| } | ||
|
|
||
| if encoded == "" { | ||
| return "", fmt.Errorf("failed to generate new root token") | ||
| } | ||
|
|
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| tok64 := []byte(encoded) | ||
| tok := make([]byte, base64.StdEncoding.DecodedLen(len(tok64))) | ||
| if len(tok64) != len(otp64) { | ||
| return "", fmt.Errorf("failed to decode new root token") | ||
| } | ||
|
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| base64.StdEncoding.Decode(tok, tok64) | ||
| for i := 0; i < 16; i++ { | ||
| tok[i] ^= otp[i] | ||
| } | ||
|
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| return fmt.Sprintf("%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", | ||
| tok[0], tok[1], tok[2], tok[3], | ||
| tok[4], tok[5], | ||
| tok[6], tok[7], | ||
| tok[8], tok[9], | ||
| tok[10], tok[11], tok[12], tok[13], tok[14], tok[15]), nil | ||
| } |