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logs: add authentication support for log searching API (#165)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // Copyright 2020 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package utils | ||
|
|
||
| import ( | ||
| "errors" | ||
| "time" | ||
|
|
||
| "github.com/dgrijalva/jwt-go" | ||
| "github.com/gtank/cryptopasta" | ||
| ) | ||
|
|
||
| var hmacSampleSecret = cryptopasta.NewEncryptionKey() | ||
|
|
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| // Claims is a struct that will be encoded to a JWT. | ||
| type Claims struct { | ||
| Data string `json:"data"` | ||
| jwt.StandardClaims | ||
| } | ||
|
|
||
| func newClaims(str string) *Claims { | ||
| expirationTime := time.Now().Add(24 * time.Hour) | ||
| return &Claims{ | ||
| Data: str, | ||
| StandardClaims: jwt.StandardClaims{ | ||
| ExpiresAt: expirationTime.Unix(), | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // NewJWTString create a JWT string by given data | ||
| func NewJWTString(str string) (string, error) { | ||
| claims := newClaims(str) | ||
| token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims) | ||
| tokenString, err := token.SignedString(hmacSampleSecret[:]) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return tokenString, nil | ||
| } | ||
|
|
||
| // ParseJWTString parse the JWT string and return the raw data | ||
| func ParseJWTString(str string) (string, error) { | ||
| claims := &Claims{} | ||
| token, err := jwt.ParseWithClaims(str, claims, func(token *jwt.Token) (interface{}, error) { | ||
| return hmacSampleSecret[:], nil | ||
| }) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if !token.Valid { | ||
| return "", errors.New("token is invalid") | ||
| } | ||
| return claims.Data, nil | ||
| } |
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