forked from TrueCloudLab/restic
114 lines
3.6 KiB
Go
114 lines
3.6 KiB
Go
package jwt_test
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import (
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"fmt"
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"github.com/dgrijalva/jwt-go"
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"time"
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)
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// Example (atypical) using the StandardClaims type by itself to parse a token.
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// The StandardClaims type is designed to be embedded into your custom types
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// to provide standard validation features. You can use it alone, but there's
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// no way to retrieve other fields after parsing.
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// See the CustomClaimsType example for intended usage.
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func ExampleNewWithClaims_standardClaims() {
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mySigningKey := []byte("AllYourBase")
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// Create the Claims
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claims := &jwt.StandardClaims{
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ExpiresAt: 15000,
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Issuer: "test",
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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ss, err := token.SignedString(mySigningKey)
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fmt.Printf("%v %v", ss, err)
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//Output: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.QsODzZu3lUZMVdhbO76u3Jv02iYCvEHcYVUI1kOWEU0 <nil>
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}
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// Example creating a token using a custom claims type. The StandardClaim is embedded
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// in the custom type to allow for easy encoding, parsing and validation of standard claims.
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func ExampleNewWithClaims_customClaimsType() {
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mySigningKey := []byte("AllYourBase")
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type MyCustomClaims struct {
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Foo string `json:"foo"`
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jwt.StandardClaims
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}
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// Create the Claims
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claims := MyCustomClaims{
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"bar",
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jwt.StandardClaims{
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ExpiresAt: 15000,
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Issuer: "test",
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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ss, err := token.SignedString(mySigningKey)
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fmt.Printf("%v %v", ss, err)
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//Output: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c <nil>
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}
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// Example creating a token using a custom claims type. The StandardClaim is embedded
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// in the custom type to allow for easy encoding, parsing and validation of standard claims.
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func ExampleParseWithClaims_customClaimsType() {
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tokenString := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
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type MyCustomClaims struct {
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Foo string `json:"foo"`
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jwt.StandardClaims
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}
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// sample token is expired. override time so it parses as valid
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at(time.Unix(0, 0), func() {
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token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, func(token *jwt.Token) (interface{}, error) {
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return []byte("AllYourBase"), nil
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})
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if claims, ok := token.Claims.(*MyCustomClaims); ok && token.Valid {
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fmt.Printf("%v %v", claims.Foo, claims.StandardClaims.ExpiresAt)
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} else {
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fmt.Println(err)
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}
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})
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// Output: bar 15000
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}
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// Override time value for tests. Restore default value after.
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func at(t time.Time, f func()) {
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jwt.TimeFunc = func() time.Time {
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return t
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}
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f()
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jwt.TimeFunc = time.Now
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}
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// An example of parsing the error types using bitfield checks
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func ExampleParse_errorChecking() {
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// Token from another example. This token is expired
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var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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return []byte("AllYourBase"), nil
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})
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if token.Valid {
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fmt.Println("You look nice today")
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} else if ve, ok := err.(*jwt.ValidationError); ok {
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if ve.Errors&jwt.ValidationErrorMalformed != 0 {
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fmt.Println("That's not even a token")
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} else if ve.Errors&(jwt.ValidationErrorExpired|jwt.ValidationErrorNotValidYet) != 0 {
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// Token is either expired or not active yet
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fmt.Println("Timing is everything")
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} else {
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fmt.Println("Couldn't handle this token:", err)
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}
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} else {
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fmt.Println("Couldn't handle this token:", err)
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}
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// Output: Timing is everything
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}
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