enterprise input; logic to generate ent token

lib/main.js

@@ -4,6 +4,7 @@ import pRetry from "p-retry";
 /**
  * @param {string} appId
  * @param {string} privateKey
+ * @param {string} enterprise
  * @param {string} owner
  * @param {string[]} repositories
  * @param {undefined | Record<string, string>} permissions
@@ -15,58 +16,70 @@ import pRetry from "p-retry";
 export async function main(
   appId,
   privateKey,
+  enterprise,
   owner,
   repositories,
   permissions,
   core,
   createAppAuth,
   request,
-  skipTokenRevoke
+  skipTokenRevoke,
+
 ) {
+  // Validate mutual exclusivity of enterprise with owner/repositories
+  if (enterprise && (owner || repositories.length > 0)) {
+    throw new Error("Cannot use 'enterprise' input with 'owner' or 'repositories' inputs");
+  }
+
   let parsedOwner = "";
   let parsedRepositoryNames = [];
 
-  // If neither owner nor repositories are set, default to current repository
-  if (!owner && repositories.length === 0) {
-    const [owner, repo] = String(process.env.GITHUB_REPOSITORY).split("/");
-    parsedOwner = owner;
-    parsedRepositoryNames = [repo];
+  // Skip owner/repository parsing if enterprise is set
+  if (!enterprise) {
+    // If neither owner nor repositories are set, default to current repository
+    if (!owner && repositories.length === 0) {
+      const [owner, repo] = String(process.env.GITHUB_REPOSITORY).split("/");
+      parsedOwner = owner;
+      parsedRepositoryNames = [repo];
 
-    core.info(
-      `Inputs 'owner' and 'repositories' are not set. Creating token for this repository (${owner}/${repo}).`
-    );
-  }
+      core.info(
+        `Inputs 'owner' and 'repositories' are not set. Creating token for this repository (${owner}/${repo}).`
+      );
+    }
 
-  // If only an owner is set, default to all repositories from that owner
-  if (owner && repositories.length === 0) {
-    parsedOwner = owner;
+    // If only an owner is set, default to all repositories from that owner
+    if (owner && repositories.length === 0) {
+      parsedOwner = owner;
 
-    core.info(
-      `Input 'repositories' is not set. Creating token for all repositories owned by ${owner}.`
-    );
-  }
+      core.info(
+        `Input 'repositories' is not set. Creating token for all repositories owned by ${owner}.`
+      );
+    }
 
-  // If repositories are set, but no owner, default to `GITHUB_REPOSITORY_OWNER`
-  if (!owner && repositories.length > 0) {
-    parsedOwner = String(process.env.GITHUB_REPOSITORY_OWNER);
-    parsedRepositoryNames = repositories;
+    // If repositories are set, but no owner, default to `GITHUB_REPOSITORY_OWNER`
+    if (!owner && repositories.length > 0) {
+      parsedOwner = String(process.env.GITHUB_REPOSITORY_OWNER);
+      parsedRepositoryNames = repositories;
 
-    core.info(
-      `No 'owner' input provided. Using default owner '${parsedOwner}' to create token for the following repositories:${repositories
-        .map((repo) => `\n- ${parsedOwner}/${repo}`)
-        .join("")}`
-    );
-  }
+      core.info(
+        `No 'owner' input provided. Using default owner '${parsedOwner}' to create token for the following repositories:${repositories
+          .map((repo) => `\n- ${parsedOwner}/${repo}`)
+          .join("")}`
+      );
+    }
 
-  // If both owner and repositories are set, use those values
-  if (owner && repositories.length > 0) {
-    parsedOwner = owner;
-    parsedRepositoryNames = repositories;
+    // If both owner and repositories are set, use those values
+    if (owner && repositories.length > 0) {
+      parsedOwner = owner;
+      parsedRepositoryNames = repositories;
 
-    core.info(
-      `Inputs 'owner' and 'repositories' are set. Creating token for the following repositories:
-      ${repositories.map((repo) => `\n- ${parsedOwner}/${repo}`).join("")}`
-    );
+      core.info(
+        `Inputs 'owner' and 'repositories' are set. Creating token for the following repositories:
+        ${repositories.map((repo) => `\n- ${parsedOwner}/${repo}`).join("")}`
+      );
+    }
+  } else {
+    core.info(`Creating enterprise installation token for enterprise "${enterprise}".`);
   }
 
   const auth = createAppAuth({
@@ -76,9 +89,22 @@ export async function main(
   });
 
   let authentication, installationId, appSlug;
-  // If at least one repository is set, get installation ID from that repository
-
-  if (parsedRepositoryNames.length > 0) {
+  
+  // If enterprise is set, get installation ID from the enterprise
+  if (enterprise) {
+    ({ authentication, installationId, appSlug } = await pRetry(
+      () => getTokenFromEnterprise(request, auth, enterprise, permissions),
+      {
+        shouldRetry: (error) => error.status >= 500,
+        onFailedAttempt: (error) => {
+          core.info(
+            `Failed to create token for enterprise "${enterprise}" (attempt ${error.attemptNumber}): ${error.message}`
+          );
+        },
+        retries: 3,
+      }
+    ));
+  } else if (parsedRepositoryNames.length > 0) {
     ({ authentication, installationId, appSlug } = await pRetry(
       () =>
         getTokenFromRepository(
@@ -181,3 +207,38 @@ async function getTokenFromRepository(
 
   return { authentication, installationId, appSlug };
 }
+
+async function getTokenFromEnterprise(request, auth, enterprise, permissions) {  
+  // Get all installations and find the enterprise one
+  // https://docs.github.com/rest/apps/apps#list-installations-for-the-authenticated-app
+  // Note: Currently we do not have a way to get the installation for an enterprise directly,
+  // so as a workaround we need to list all installations and filter for the enterprise one.
+  const response = await request("GET /app/installations", {
+    request: {
+      hook: auth.hook,
+    },
+  });
+
+  // Find the enterprise installation
+  const enterpriseInstallation = response.data.find(
+    installation => installation.target_type === "Enterprise"
+  );
+
+  if (!enterpriseInstallation) {
+    throw new Error(`No enterprise installation found. Available installations: ${response.data.map(i => `${i.target_type}:${i.account?.login || 'N/A'}`).join(', ')}`);
+  }
+
+  console.info(`### Found enterprise installation: ${JSON.stringify(enterpriseInstallation, null, 2)}`);
+
+  // Get token for the enterprise installation
+  const authentication = await auth({
+    type: "installation",
+    installationId: enterpriseInstallation.id,
+    permissions,
+  });
+
+  const installationId = enterpriseInstallation.id;
+  const appSlug = enterpriseInstallation["app_slug"];
+
+  return { authentication, installationId, appSlug };
+}