Initial commit

src/models/identity.ts

@@ -0,0 +1,196 @@
+/**
+ * Identity implementation classes for Mail Manager services
+ */
+
+import type {
+  ServiceIdentity,
+  ServiceIdentityNone,
+  ServiceIdentityBasic,
+  ServiceIdentityToken,
+  ServiceIdentityOAuth,
+  ServiceIdentityCertificate
+} from '@/types/service';
+
+/**
+ * Base Identity class
+ */
+export abstract class Identity {
+  abstract toJson(): ServiceIdentity;
+  
+  static fromJson(data: ServiceIdentity): Identity {
+    switch (data.type) {
+      case 'NA':
+        return IdentityNone.fromJson(data);
+      case 'BA':
+        return IdentityBasic.fromJson(data);
+      case 'TA':
+        return IdentityToken.fromJson(data);
+      case 'OA':
+        return IdentityOAuth.fromJson(data);
+      case 'CC':
+        return IdentityCertificate.fromJson(data);
+      default:
+        throw new Error(`Unknown identity type: ${(data as any).type}`);
+    }
+  }
+}
+
+/**
+ * No authentication
+ */
+export class IdentityNone extends Identity {
+  readonly type = 'NA' as const;
+
+  static fromJson(_data: ServiceIdentityNone): IdentityNone {
+    return new IdentityNone();
+  }
+
+  toJson(): ServiceIdentityNone {
+    return {
+      type: this.type
+    };
+  }
+}
+
+/**
+ * Basic authentication (username/password)
+ */
+export class IdentityBasic extends Identity {
+  readonly type = 'BA' as const;
+  identity: string;
+  secret: string;
+
+  constructor(identity: string = '', secret: string = '') {
+    super();
+    this.identity = identity;
+    this.secret = secret;
+  }
+
+  static fromJson(data: ServiceIdentityBasic): IdentityBasic {
+    return new IdentityBasic(data.identity, data.secret);
+  }
+
+  toJson(): ServiceIdentityBasic {
+    return {
+      type: this.type,
+      identity: this.identity,
+      secret: this.secret
+    };
+  }
+}
+
+/**
+ * Token authentication (API key, static token)
+ */
+export class IdentityToken extends Identity {
+  readonly type = 'TA' as const;
+  token: string;
+
+  constructor(token: string = '') {
+    super();
+    this.token = token;
+  }
+
+  static fromJson(data: ServiceIdentityToken): IdentityToken {
+    return new IdentityToken(data.token);
+  }
+
+  toJson(): ServiceIdentityToken {
+    return {
+      type: this.type,
+      token: this.token
+    };
+  }
+}
+
+/**
+ * OAuth authentication
+ */
+export class IdentityOAuth extends Identity {
+  readonly type = 'OA' as const;
+  accessToken: string;
+  accessScope?: string[];
+  accessExpiry?: number;
+  refreshToken?: string;
+  refreshLocation?: string;
+
+  constructor(
+    accessToken: string = '',
+    accessScope?: string[],
+    accessExpiry?: number,
+    refreshToken?: string,
+    refreshLocation?: string
+  ) {
+    super();
+    this.accessToken = accessToken;
+    this.accessScope = accessScope;
+    this.accessExpiry = accessExpiry;
+    this.refreshToken = refreshToken;
+    this.refreshLocation = refreshLocation;
+  }
+
+  static fromJson(data: ServiceIdentityOAuth): IdentityOAuth {
+    return new IdentityOAuth(
+      data.accessToken,
+      data.accessScope,
+      data.accessExpiry,
+      data.refreshToken,
+      data.refreshLocation
+    );
+  }
+
+  toJson(): ServiceIdentityOAuth {
+    return {
+      type: this.type,
+      accessToken: this.accessToken,
+      ...(this.accessScope && { accessScope: this.accessScope }),
+      ...(this.accessExpiry && { accessExpiry: this.accessExpiry }),
+      ...(this.refreshToken && { refreshToken: this.refreshToken }),
+      ...(this.refreshLocation && { refreshLocation: this.refreshLocation })
+    };
+  }
+
+  isExpired(): boolean {
+    if (!this.accessExpiry) return false;
+    return Date.now() / 1000 >= this.accessExpiry;
+  }
+
+  expiresIn(): number {
+    if (!this.accessExpiry) return Infinity;
+    return Math.max(0, this.accessExpiry - Date.now() / 1000);
+  }
+}
+
+/**
+ * Client certificate authentication (mTLS)
+ */
+export class IdentityCertificate extends Identity {
+  readonly type = 'CC' as const;
+  certificate: string;
+  privateKey: string;
+  passphrase?: string;
+
+  constructor(certificate: string = '', privateKey: string = '', passphrase?: string) {
+    super();
+    this.certificate = certificate;
+    this.privateKey = privateKey;
+    this.passphrase = passphrase;
+  }
+
+  static fromJson(data: ServiceIdentityCertificate): IdentityCertificate {
+    return new IdentityCertificate(
+      data.certificate,
+      data.privateKey,
+      data.passphrase
+    );
+  }
+
+  toJson(): ServiceIdentityCertificate {
+    return {
+      type: this.type,
+      certificate: this.certificate,
+      privateKey: this.privateKey,
+      ...(this.passphrase && { passphrase: this.passphrase })
+    };
+  }
+}