raw authentication to registries

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/main.ts

@@ -1,21 +1,61 @@
+import * as yaml from 'js-yaml';
+import * as core from '@actions/core';
 import * as actionsToolkit from '@docker/actions-toolkit';
 
 import * as context from './context';
 import * as docker from './docker';
 import * as stateHelper from './state-helper';
 
+interface Auth {
+  registry: string;
+  username: string;
+  password: string;
+  ecr: string;
+}
+
 export async function main(): Promise<void> {
-  const input: context.Inputs = context.getInputs();
-  stateHelper.setRegistry(input.registry);
-  stateHelper.setLogout(input.logout);
-  await docker.login(input.registry, input.username, input.password, input.ecr);
+  const inputs: context.Inputs = context.getInputs();
+  stateHelper.setLogout(inputs.logout);
+
+  if (inputs.registryAuth && (inputs.registry || inputs.username || inputs.password || inputs.ecr)) {
+    throw new Error('Cannot use registry-auth with other inputs');
+  }
+
+  if (!inputs.registryAuth) {
+    stateHelper.setRegistries([inputs.registry || 'docker.io']);
+    await docker.login(inputs.registry || 'docker.io', inputs.username, inputs.password, inputs.ecr || 'auto');
+    return;
+  }
+
+  const auths = yaml.load(inputs.registryAuth) as Auth[];
+  if (auths.length == 0) {
+    throw new Error('No registry to login');
+  }
+
+  const registries: string[] = [];
+  for (const auth of auths) {
+    if (!auth.registry) {
+      registries.push('docker.io');
+    } else {
+      registries.push(auth.registry);
+    }
+  }
+  stateHelper.setRegistries(registries.filter((value, index, self) => self.indexOf(value) === index));
+
+  for (const auth of auths) {
+    await core.group(`Login to ${auth.registry || 'docker.io'}`, async () => {
+      await docker.login(auth.registry || 'docker.io', auth.username, auth.password, auth.ecr || 'auto');
+    });
+  }
 }
 
 async function post(): Promise<void> {
   if (!stateHelper.logout) {
     return;
   }
-  await docker.logout(stateHelper.registry);
+  for (const registry of stateHelper.registries.split(',')) {
+    await docker.logout(registry);
+  }
 }
 
 actionsToolkit.run(main, post);