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Add Go example of sending a resource context #206

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Nov 11, 2024
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Add Go example of sending a resource context #206

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72 changes: 42 additions & 30 deletions docs/software-development-kits/go/authorizer.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -15,20 +15,20 @@ middleware.

```go
import (
"log"
"log"

"github.com/aserto-dev/go-aserto"
"github.com/aserto-dev/go-aserto/az"
"github.com/aserto-dev/go-aserto"
"github.com/aserto-dev/go-aserto/az"
)

...

azClient, err := az.New(
aserto.WithAPIKeyAuth("<Aserto authorizer API key"),
aserto.WithTenantID("<Aserto tenant ID>"),
aserto.WithAPIKeyAuth("<Aserto authorizer API key"),
aserto.WithTenantID("<Aserto tenant ID>"),
)
if err != nil {
log.Fatal("Failed to create authorizer client:", err)
log.Fatal("Failed to create authorizer client:", err)
}
defer azClient.Close()
```
Expand All @@ -40,44 +40,56 @@ to perform an operation.

```go
import (
"context"
"fmt"
"log"
"context"
"fmt"
"log"

"github.com/aserto-dev/go-authorizer/aserto/authorizer/v2"
"github.com/aserto-dev/go-authorizer/aserto/authorizer/v2/api"
"google.golang.org/protobuf/types/known/structpb"

"github.com/aserto-dev/go-authorizer/aserto/authorizer/v2"
"github.com/aserto-dev/go-authorizer/aserto/authorizer/v2/api"
)

...

ctx := context.Background()

// Information about the resource being accessed can be sent
// to the authorizer as a JSON object.
resource, err := structpb.NewStruct(map[string]any{
"id": "[email protected]",
})
if err != nil {
log.Fatalf("failed to create resource: %v", err)
}

result, err := azClient.Is(ctx, &authorizer.IsRequest{
IdentityContext: &api.IdentityContext{ // The user performing the operation.
Type: api.IdentityType_IDENTITY_TYPE_SUB,
Identity: "username",
},
PolicyContext: &api.PolicyContext{
Path: "peoplefinder.GET.users", // Policy module to evaluate.
Decisions: []string{"allowed"}, // Policy rules to evaluate.
},
PolicyInstance: &api.PolicyInstance {
Name: "<policy name>",
},
IdentityContext: &api.IdentityContext{ // The user performing the operation.
Type: api.IdentityType_IDENTITY_TYPE_SUB,
Identity: "username",
},
PolicyContext: &api.PolicyContext{
Path: "peoplefinder.PUT.api.users.__id", // Policy module to evaluate.
Decisions: []string{"allowed"}, // Policy rules to evaluate.
},
ResourceContext: resource,
PolicyInstance: &api.PolicyInstance {
Name: "<policy name>",
},
})
if err != nil {
log.Fatal("Failed to call authorizer:", err)
log.Fatal("Failed to call authorizer:", err)
}

// Check the authorizer's decision.
for _, decision := range result.Decisions {
if decision.Decision == "allowed" {
if decision.Is {
fmt.Println("Access granted")
} else {
fmt.Println("Access denied")
}
}
if decision.Decision == "allowed" {
if decision.Is {
fmt.Println("Access granted")
} else {
fmt.Println("Access denied")
}
}
}
```

Expand Down