Prompt a password dialog when --password option is omitted

Author: kakao-jun-e

package.json

@@ -38,6 +38,7 @@
     "commander": "^2.17.1",
     "enquirer": "^1.0.3",
     "lodash": "^4.17.10",
-    "prompt-confirm": "^2.0.4"
+    "prompt-confirm": "^2.0.4",
+    "prompt-password": "^1.2.0"
   }
 }

src/index.ts

@@ -108,7 +108,7 @@ async function listCommand(args: any[], option: ListOption) {
 async function createCommand(args: any[], option: CreateOption) {
     const cckey = await CCKey.create({ dbPath: option.parent.keysPath });
     const accountType = parseAccountType(option.parent.accountType);
-    const passphrase = parsePassphrase(option.passphrase);
+    const passphrase = await parsePassphrase(option.passphrase);
     await createKey(cckey, accountType, passphrase);
 }
 
@@ -122,23 +122,23 @@ async function deleteCommand(args: any[], option: DeleteOption) {
 async function importCommand([path]: any[], option: ImportOption) {
     const cckey = await CCKey.create({ dbPath: option.parent.keysPath });
     const accountType = parseAccountType(option.parent.accountType);
-    const passphrase = parsePassphrase(option.passphrase);
+    const passphrase = await parsePassphrase(option.passphrase);
     const contents = fs.readFileSync(path, { encoding: "utf8" });
     await importKey(cckey, accountType, JSON.parse(contents), passphrase);
 }
 
 async function importRawCommand([privateKey]: any[], option: ImportOption) {
     const cckey = await CCKey.create({ dbPath: option.parent.keysPath });
     const accountType = parseAccountType(option.parent.accountType);
-    const passphrase = parsePassphrase(option.passphrase);
+    const passphrase = await parsePassphrase(option.passphrase);
     await importRawKey(cckey, accountType, privateKey, passphrase);
 }
 
 async function exportCommand(args: any[], option: ExportOption) {
     const cckey = await CCKey.create({ dbPath: option.parent.keysPath });
     const accountType = parseAccountType(option.parent.accountType);
     const address = parseAddress(option.address);
-    const passphrase = parsePassphrase(option.passphrase);
+    const passphrase = await parsePassphrase(option.passphrase);
     const secret = await exportKey(cckey, accountType, address, passphrase);
     const res = option.pretty
         ? JSON.stringify(secret, null, 2)
@@ -191,11 +191,19 @@ function parseAddress(address: string): string {
     return address;
 }
 
-function parsePassphrase(passphrase: string): string {
-    if (_.isUndefined(passphrase)) {
-        throw new CLIError(CLIErrorType.OptionRequired, {
-            optionName: "passphrase"
-        });
+async function parsePassphrase(passphrase: string): Promise<string> {
+    if (!_.isUndefined(passphrase)) {
+        return passphrase;
     }
-    return passphrase;
+
+    const Enquirer = require("enquirer");
+    const enquirer = new Enquirer();
+    enquirer.register("password", require("prompt-password"));
+    var questions = {
+        type: "password",
+        message: "Enter your passphrase please",
+        name: "passphrase"
+    };
+    const answers = await enquirer.ask(questions);
+    return answers.passphrase;
 }

yarn.lock

@@ -1887,6 +1887,13 @@ prompt-input@^3.0.0:
     debug "^2.6.8"
     prompt-base "^4.0.2"
 
+prompt-password@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/prompt-password/-/prompt-password-1.2.0.tgz#87dba4afd5c34954e511c2c069fb922dab60b718"
+  dependencies:
+    debug "^2.6.8"
+    prompt-base "^4.0.2"
+
 prompt-question@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/prompt-question/-/prompt-question-3.0.3.tgz#c55858bd76b1878c1eaaecb917a928a9c13c8a37"