From 795c1bac12f55bc8d6e06f1e0e5d5399ff1bf407 Mon Sep 17 00:00:00 2001
From: hugoalh <hugoalh@gmail.com>
Date: Fri, 3 Jan 2025 17:20:44 +0800
Subject: [PATCH] Disallow write encrypted file with append mode

---
 README.md |  4 ++--
 jsr.jsonc |  2 +-
 mod.ts    | 13 ++++++++-----
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 12fe9ac..a79815d 100644
--- a/README.md
+++ b/README.md
@@ -67,8 +67,8 @@ An ES (JavaScript & TypeScript) module to provide an easier symmetric crypto.
     encryptFile(...filesPath: (string | URL)[]): Promise<this>;
     readEncryptedFile(filePath: string | URL, options?: Deno.ReadFileOptions): Promise<Uint8Array>;
     readEncryptedTextFile(filePath: string | URL, options?: Deno.ReadFileOptions): Promise<string>;
-    writeEncryptedFile(filePath: string | URL, data: Uint8Array, options?: Deno.WriteFileOptions): Promise<this>;
-    writeEncryptedTextFile(filePath: string | URL, data: string, options?: Deno.WriteFileOptions): Promise<this>;
+    writeEncryptedFile(filePath: string | URL, data: Uint8Array, options?: Omit<Deno.WriteFileOptions, "append">): Promise<this>;
+    writeEncryptedTextFile(filePath: string | URL, data: string, options?: Omit<Deno.WriteFileOptions, "append">): Promise<this>;
   }
   ```
 - ```ts
diff --git a/jsr.jsonc b/jsr.jsonc
index a88506e..29ca053 100644
--- a/jsr.jsonc
+++ b/jsr.jsonc
@@ -1,7 +1,7 @@
 {
 	"$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
 	"name": "@hugoalh/symmetric-crypto",
-	"version": "4.2.0",
+	"version": "4.2.1",
 	"exports": {
 		".": "./mod.ts"
 	},
diff --git a/mod.ts b/mod.ts
index 1056fcf..d409716 100644
--- a/mod.ts
+++ b/mod.ts
@@ -297,11 +297,14 @@ export class SymmetricCryptor {
 	 * >   - *Resources*
 	 * @param {string | URL} filePath Path of the file.
 	 * @param {Uint8Array} data Data of the file.
-	 * @param {Deno.WriteFileOptions} [options={}] Options.
+	 * @param {Omit<Deno.WriteFileOptions, "append">} [options={}] Options.
 	 * @returns {Promise<this>}
 	 */
-	async writeEncryptedFile(filePath: string | URL, data: Uint8Array, options?: Deno.WriteFileOptions): Promise<this> {
-		await Deno.writeFile(filePath, await this.#encrypt(data), options);
+	async writeEncryptedFile(filePath: string | URL, data: Uint8Array, options?: Omit<Deno.WriteFileOptions, "append">): Promise<this> {
+		await Deno.writeFile(filePath, await this.#encrypt(data), {
+			...options,
+			append: false
+		});
 		return this;
 	}
 	/**
@@ -313,10 +316,10 @@ export class SymmetricCryptor {
 	 * >   - *Resources*
 	 * @param {string | URL} filePath Path of the file.
 	 * @param {string} data Text data of the file.
-	 * @param {Deno.WriteFileOptions} [options={}] Options.
+	 * @param {Omit<Deno.WriteFileOptions, "append">} [options={}] Options.
 	 * @returns {Promise<this>}
 	 */
-	async writeEncryptedTextFile(filePath: string | URL, data: string, options?: Deno.WriteFileOptions): Promise<this> {
+	async writeEncryptedTextFile(filePath: string | URL, data: string, options?: Omit<Deno.WriteFileOptions, "append">): Promise<this> {
 		await this.writeEncryptedFile(filePath, new TextEncoder().encode(data), options);
 		return this;
 	}