Refactored, reorganized, fixed issues, and implemented functionality

internal/config.go

@@ -0,0 +1,87 @@
+package opaal
+
+import (
+	"davidallendj/opaal/internal/oauth"
+	"davidallendj/opaal/internal/oidc"
+	"davidallendj/opaal/internal/util"
+	"log"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Config struct {
+	Version           string                `yaml:"version"`
+	Server            Server                `yaml:"server"`
+	Client            oauth.Client          `yaml:"client"`
+	IdentityProvider  oidc.IdentityProvider `yaml:"oidc"`
+	State             string                `yaml:"state"`
+	ResponseType      string                `yaml:"response-type"`
+	Scope             []string              `yaml:"scope"`
+	ActionUrls        ActionUrls            `yaml:"urls"`
+	OpenBrowser       bool                  `yaml:"open-browser"`
+	DecodeIdToken     bool                  `yaml:"decode-id-token"`
+	DecodeAccessToken bool                  `yaml:"decode-access-token"`
+}
+
+func NewConfig() Config {
+	return Config{
+		Version: util.GetCommit(),
+		Server: Server{
+			Host: "127.0.0.1",
+			Port: 3333,
+		},
+		Client: oauth.Client{
+			Id:           "",
+			Secret:       "",
+			RedirectUris: []string{""},
+		},
+		IdentityProvider: *oidc.NewIdentityProvider(),
+		State:            util.RandomString(20),
+		ResponseType:     "code",
+		Scope:            []string{"openid", "profile", "email"},
+		ActionUrls: ActionUrls{
+			Identities:     "",
+			AccessToken:    "",
+			TrustedIssuers: "",
+			ServerConfig:   "",
+		},
+		OpenBrowser:       false,
+		DecodeIdToken:     false,
+		DecodeAccessToken: false,
+	}
+}
+
+func LoadConfig(path string) Config {
+	var c Config = NewConfig()
+	file, err := os.ReadFile(path)
+	if err != nil {
+		log.Printf("failed to read config file: %v\n", err)
+		return c
+	}
+	err = yaml.Unmarshal(file, &c)
+	if err != nil {
+		log.Fatalf("failed to unmarshal config: %v\n", err)
+		return c
+	}
+	return c
+}
+
+func SaveDefaultConfig(path string) {
+	path = filepath.Clean(path)
+	if path == "" || path == "." {
+		path = "config.yaml"
+	}
+	var c = NewConfig()
+	data, err := yaml.Marshal(c)
+	if err != nil {
+		log.Printf("failed to marshal config: %v\n", err)
+		return
+	}
+	err = os.WriteFile(path, data, os.ModePerm)
+	if err != nil {
+		log.Printf("failed to write default config file: %v\n", err)
+		return
+	}
+}