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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "flag" | ||
| "log" | ||
|
|
||
| "github.com/zitadel/zitadel-go/v2/pkg/client/system" | ||
| pb "github.com/zitadel/zitadel-go/v2/pkg/client/zitadel/system" | ||
| ) | ||
|
|
||
| var ( | ||
| issuer = flag.String("issuer", "", "issuer of your ZITADEL instance (in the form: https://<instance>.zitadel.cloud or https://<yourdomain>)") | ||
| api = flag.String("api", "", "gRPC endpoint of your ZITADEL instance (in the form: <instance>.zitadel.cloud:443 or <yourdomain>:443)") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
|
|
||
| //create a client for the system api providing: | ||
| //- issuer (e.g. https://acme-dtfhdg.zitadel.cloud) | ||
| //- api (e.g. acme-dtfhdg.zitadel.cloud:443) | ||
| //- a JWT Profile source token (e.g. path to your key.pem) and the corresponding userID from the `SystemAPIUsers` config in ZITADEL | ||
| client, err := system.NewClient( | ||
| *issuer, | ||
| *api, | ||
| system.JWTProfileFromPath("system_user_1.pem", "system_user_1"), | ||
| ) | ||
| if err != nil { | ||
| log.Fatalln("could not create client", err) | ||
| } | ||
| defer func() { | ||
| err := client.Connection.Close() | ||
| if err != nil { | ||
| log.Println("could not close grpc connection", err) | ||
| } | ||
| }() | ||
|
|
||
| ctx := context.Background() | ||
| //call ZITADEL and print the name and creation date of all instances | ||
| //the call was successful if no error occurred | ||
| resp, err := client.ListInstances(ctx, &pb.ListInstancesRequest{}) | ||
| if err != nil { | ||
| log.Fatalln("call failed: ", err) | ||
| } | ||
| //print all instances | ||
| for _, instance := range resp.GetResult() { | ||
| log.Printf("%s was created on %s", instance.Name, instance.Details.CreationDate.AsTime()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package system | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/zitadel/oidc/pkg/client" | ||
| "github.com/zitadel/oidc/pkg/oidc" | ||
| "golang.org/x/oauth2" | ||
| "gopkg.in/square/go-jose.v2" | ||
|
|
||
| "github.com/zitadel/zitadel-go/v2/pkg/client/middleware" | ||
| "github.com/zitadel/zitadel-go/v2/pkg/client/zitadel" | ||
| "github.com/zitadel/zitadel-go/v2/pkg/client/zitadel/system" | ||
| ) | ||
|
|
||
| type Client struct { | ||
| Connection *zitadel.Connection | ||
| system.SystemServiceClient | ||
| } | ||
|
|
||
| func NewClient(issuer, api string, source JWTAuthenticationSource, opts ...Option) (*Client, error) { | ||
| options := make([]zitadel.Option, len(opts)+1) | ||
| options[0] = zitadel.WithJWTProfileTokenSource(source()) | ||
| for i, opt := range opts { | ||
| options[i+1] = opt() | ||
| } | ||
| conn, err := zitadel.NewConnection(issuer, api, nil, options...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &Client{ | ||
| Connection: conn, | ||
| SystemServiceClient: system.NewSystemServiceClient(conn.ClientConn), | ||
| }, nil | ||
| } | ||
|
|
||
| type Option func() zitadel.Option | ||
|
|
||
| // WithInsecure disables transport security for the client connection | ||
| // use only when absolutely necessary (e.g. local development) | ||
| func WithInsecure() func() zitadel.Option { | ||
| return func() zitadel.Option { | ||
| return zitadel.WithInsecure() | ||
| } | ||
| } | ||
|
|
||
| type JWTAuthenticationSource func() middleware.JWTProfileTokenSource | ||
|
|
||
| // JWTProfileFromPath reads the key at the provided path and creates a JWTAuthenticationSource (oauth2.TokensSource) | ||
| // to authenticate against the SystemAPI | ||
| func JWTProfileFromPath(keyPath, userID string) JWTAuthenticationSource { | ||
| return func() middleware.JWTProfileTokenSource { | ||
| return func(issuer string, _ []string) (oauth2.TokenSource, error) { | ||
| key, err := ioutil.ReadFile(keyPath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return jwtAuthenticationTokenSource(issuer, userID, key) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // JWTProfileFromKey creates a JWTAuthenticationSource (oauth2.TokensSource) from the provided key (and userID) | ||
| // to authenticate against the SystemAPI | ||
| func JWTProfileFromKey(key []byte, userID string) JWTAuthenticationSource { | ||
| return func() middleware.JWTProfileTokenSource { | ||
| return func(issuer string, _ []string) (oauth2.TokenSource, error) { | ||
| return jwtAuthenticationTokenSource(issuer, userID, key) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| type jwtAuthentication struct { | ||
| userID string | ||
| audience []string | ||
| signer jose.Signer | ||
| httpClient *http.Client | ||
| } | ||
|
|
||
| func jwtAuthenticationTokenSource(issuer, userID string, key []byte) (oauth2.TokenSource, error) { | ||
| signer, err := client.NewSignerFromPrivateKeyByte(key, "") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| source := &jwtAuthentication{ | ||
| userID: userID, | ||
| audience: []string{issuer}, | ||
| signer: signer, | ||
| httpClient: http.DefaultClient, | ||
| } | ||
| return source, nil | ||
| } | ||
|
|
||
| func (j *jwtAuthentication) Token() (*oauth2.Token, error) { | ||
| token, err := client.SignedJWTProfileAssertion(j.userID, j.audience, time.Hour, j.signer) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &oauth2.Token{ | ||
| AccessToken: token, | ||
| TokenType: oidc.BearerToken, | ||
| Expiry: time.Now().Add(time.Hour - 5*time.Second), | ||
| }, nil | ||
| } |
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