Copy Python quickstart.

go.mod

@@ -2,4 +2,10 @@ module github.com/osohq/oso-go-quickstart
 
 go 1.12
 
-require github.com/osohq/go-oso v0.11.3
+require (
+	github.com/andybalholm/brotli v1.0.3 // indirect
+	github.com/gofiber/fiber/v2 v2.18.0
+	github.com/klauspost/compress v1.13.5 // indirect
+	github.com/osohq/go-oso v0.20.0-beta
+	golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365 // indirect
+)

main.polar

@@ -0,0 +1,21 @@
+# TODO: update for main
+# actor User {}
+
+resource Repository {
+	permissions = ["read", "push", "delete"];
+	roles = ["contributor", "maintainer", "admin"];
+
+	"read" if "contributor";
+	"push" if "maintainer";
+	"delete" if "admin";
+
+	"maintainer" if "admin";
+	"contributor" if "maintainer";
+}
+
+has_role(user: User, role_name: String, repository: Repository) if
+  role in user.Roles and
+  role matches { Role: role_name, RepoId: repository.Id };
+
+allow(actor, action, resource) if
+  has_permission(actor, action, resource);

models.go

@@ -0,0 +1,45 @@
+package main
+
+type Repository struct {
+	Id   int
+	Name string
+}
+
+var reposDb = []Repository{
+	{Id: 0, Name: "gmail"}, {Id: 1, Name: "react"}, {Id: 2, Name: "oso"},
+}
+
+func GetRepositoryById(id int) Repository {
+	return reposDb[id]
+}
+
+type RepositoryRole struct {
+	Role   string
+	RepoId int
+}
+
+type User struct {
+	Roles []RepositoryRole
+}
+
+var usersDb = map[string]User{
+	"larry": {
+		Roles: []RepositoryRole{
+			{Role: "admin", RepoId: 0},
+		},
+	},
+	"anne": {
+		Roles: []RepositoryRole{
+			{Role: "maintainer", RepoId: 1},
+		},
+	},
+	"graham": {
+		Roles: []RepositoryRole{
+			{Role: "contributor", RepoId: 2},
+		},
+	},
+}
+
+func GetCurrentUser() User {
+	return usersDb["larry"]
+}

server.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/osohq/go-oso"
+)
+
+func main() {
+	app := fiber.New()
+	oso, err := oso.NewOso()
+	if err != nil {
+		fmt.Printf("Failed to set up Oso: %v", err)
+		return
+	}
+
+	if err := oso.RegisterClass(reflect.TypeOf(Repository{}), nil); err != nil {
+		fmt.Printf("Failed to start: %s", err)
+		return
+	}
+	if err := oso.RegisterClass(reflect.TypeOf(User{}), nil); err != nil {
+		fmt.Printf("Failed to start: %s", err)
+		return
+	}
+	if err := oso.LoadFile("main.polar"); err != nil {
+		fmt.Printf("Failed to start: %s", err)
+		return
+	}
+
+	app.Get("/repo/:repoId", func(c *fiber.Ctx) error {
+		repoId, err := strconv.Atoi(c.Params("repoId"))
+		if err != nil {
+			return c.SendStatus(400)
+		}
+		repository := 
+		allowed, err := oso.IsAllowed(GetCurrentUser(), "read", GetRepositoryById(repoId))
+		if err == nil && allowed {
+			return c.Status(200).SendString(fmt.Sprintf("<h1>A Repo</h1><p>Welcome to repo %s</p>", repository.Name))
+		} else {
+			return c.Status(404).SendString("<h1>Whoops!</h1><p>That repo was not found</p>")
+
+		}
+	})
+	if err := app.Listen(":5000"); err != nil {
+		fmt.Printf("Failed to start: %s", err)
+	}
+}