Add extracted source directory and README navigation

extracted-source/node_modules/@azure/identity/dist/esm/credentials/defaultAzureCredential.js

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+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+import { ManagedIdentityCredential } from "./managedIdentityCredential/index.js";
+import { AzureCliCredential } from "./azureCliCredential.js";
+import { AzureDeveloperCliCredential } from "./azureDeveloperCliCredential.js";
+import { AzurePowerShellCredential } from "./azurePowerShellCredential.js";
+import { ChainedTokenCredential } from "./chainedTokenCredential.js";
+import { EnvironmentCredential } from "./environmentCredential.js";
+import { WorkloadIdentityCredential } from "./workloadIdentityCredential.js";
+import { credentialLogger } from "../util/logging.js";
+const logger = credentialLogger("DefaultAzureCredential");
+/**
+ * Creates a {@link ManagedIdentityCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+export function createDefaultManagedIdentityCredential(options = {}) {
+    var _a, _b, _c, _d;
+    (_a = options.retryOptions) !== null && _a !== void 0 ? _a : (options.retryOptions = {
+        maxRetries: 5,
+        retryDelayInMs: 800,
+    });
+    const managedIdentityClientId = (_b = options === null || options === void 0 ? void 0 : options.managedIdentityClientId) !== null && _b !== void 0 ? _b : process.env.AZURE_CLIENT_ID;
+    const workloadIdentityClientId = (_c = options === null || options === void 0 ? void 0 : options.workloadIdentityClientId) !== null && _c !== void 0 ? _c : managedIdentityClientId;
+    const managedResourceId = options === null || options === void 0 ? void 0 : options.managedIdentityResourceId;
+    const workloadFile = process.env.AZURE_FEDERATED_TOKEN_FILE;
+    const tenantId = (_d = options === null || options === void 0 ? void 0 : options.tenantId) !== null && _d !== void 0 ? _d : process.env.AZURE_TENANT_ID;
+    if (managedResourceId) {
+        const managedIdentityResourceIdOptions = Object.assign(Object.assign({}, options), { resourceId: managedResourceId });
+        return new ManagedIdentityCredential(managedIdentityResourceIdOptions);
+    }
+    if (workloadFile && workloadIdentityClientId) {
+        const workloadIdentityCredentialOptions = Object.assign(Object.assign({}, options), { tenantId: tenantId });
+        return new ManagedIdentityCredential(workloadIdentityClientId, workloadIdentityCredentialOptions);
+    }
+    if (managedIdentityClientId) {
+        const managedIdentityClientOptions = Object.assign(Object.assign({}, options), { clientId: managedIdentityClientId });
+        return new ManagedIdentityCredential(managedIdentityClientOptions);
+    }
+    // We may be able to return a UnavailableCredential here, but that may be a breaking change
+    return new ManagedIdentityCredential(options);
+}
+/**
+ * Creates a {@link WorkloadIdentityCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+function createDefaultWorkloadIdentityCredential(options) {
+    var _a, _b, _c;
+    const managedIdentityClientId = (_a = options === null || options === void 0 ? void 0 : options.managedIdentityClientId) !== null && _a !== void 0 ? _a : process.env.AZURE_CLIENT_ID;
+    const workloadIdentityClientId = (_b = options === null || options === void 0 ? void 0 : options.workloadIdentityClientId) !== null && _b !== void 0 ? _b : managedIdentityClientId;
+    const workloadFile = process.env.AZURE_FEDERATED_TOKEN_FILE;
+    const tenantId = (_c = options === null || options === void 0 ? void 0 : options.tenantId) !== null && _c !== void 0 ? _c : process.env.AZURE_TENANT_ID;
+    if (workloadFile && workloadIdentityClientId) {
+        const workloadIdentityCredentialOptions = Object.assign(Object.assign({}, options), { tenantId, clientId: workloadIdentityClientId, tokenFilePath: workloadFile });
+        return new WorkloadIdentityCredential(workloadIdentityCredentialOptions);
+    }
+    if (tenantId) {
+        const workloadIdentityClientTenantOptions = Object.assign(Object.assign({}, options), { tenantId });
+        return new WorkloadIdentityCredential(workloadIdentityClientTenantOptions);
+    }
+    // We may be able to return a UnavailableCredential here, but that may be a breaking change
+    return new WorkloadIdentityCredential(options);
+}
+/**
+ * Creates a {@link AzureDeveloperCliCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+function createDefaultAzureDeveloperCliCredential(options = {}) {
+    const processTimeoutInMs = options.processTimeoutInMs;
+    return new AzureDeveloperCliCredential(Object.assign({ processTimeoutInMs }, options));
+}
+/**
+ * Creates a {@link AzureCliCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+function createDefaultAzureCliCredential(options = {}) {
+    const processTimeoutInMs = options.processTimeoutInMs;
+    return new AzureCliCredential(Object.assign({ processTimeoutInMs }, options));
+}
+/**
+ * Creates a {@link AzurePowerShellCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+function createDefaultAzurePowershellCredential(options = {}) {
+    const processTimeoutInMs = options.processTimeoutInMs;
+    return new AzurePowerShellCredential(Object.assign({ processTimeoutInMs }, options));
+}
+/**
+ * Creates an {@link EnvironmentCredential} from the provided options.
+ * @param options - Options to configure the credential.
+ *
+ * @internal
+ */
+export function createEnvironmentCredential(options = {}) {
+    return new EnvironmentCredential(options);
+}
+/**
+ * A no-op credential that logs the reason it was skipped if getToken is called.
+ * @internal
+ */
+export class UnavailableDefaultCredential {
+    constructor(credentialName, message) {
+        this.credentialName = credentialName;
+        this.credentialUnavailableErrorMessage = message;
+    }
+    getToken() {
+        logger.getToken.info(`Skipping ${this.credentialName}, reason: ${this.credentialUnavailableErrorMessage}`);
+        return Promise.resolve(null);
+    }
+}
+/**
+ * Provides a default {@link ChainedTokenCredential} configuration that works for most
+ * applications that use Azure SDK client libraries. For more information, see
+ * [DefaultAzureCredential overview](https://aka.ms/azsdk/js/identity/credential-chains#use-defaultazurecredential-for-flexibility).
+ *
+ * The following credential types will be tried, in order:
+ *
+ * - {@link EnvironmentCredential}
+ * - {@link WorkloadIdentityCredential}
+ * - {@link ManagedIdentityCredential}
+ * - {@link AzureCliCredential}
+ * - {@link AzurePowerShellCredential}
+ * - {@link AzureDeveloperCliCredential}
+ *
+ * Consult the documentation of these credential types for more information
+ * on how they attempt authentication.
+ */
+export class DefaultAzureCredential extends ChainedTokenCredential {
+    constructor(options) {
+        // If AZURE_TOKEN_CREDENTIALS is not set, use the default credential chain.
+        const azureTokenCredentials = process.env.AZURE_TOKEN_CREDENTIALS
+            ? process.env.AZURE_TOKEN_CREDENTIALS.trim().toLowerCase()
+            : undefined;
+        const devCredentialFunctions = [
+            createDefaultAzureCliCredential,
+            createDefaultAzurePowershellCredential,
+            createDefaultAzureDeveloperCliCredential,
+        ];
+        const prodCredentialFunctions = [
+            createEnvironmentCredential,
+            createDefaultWorkloadIdentityCredential,
+            createDefaultManagedIdentityCredential,
+        ];
+        let credentialFunctions = [];
+        // If AZURE_TOKEN_CREDENTIALS is set, use it to determine which credentials to use.
+        // The value of AZURE_TOKEN_CREDENTIALS should be either "dev" or "prod".
+        if (azureTokenCredentials) {
+            switch (azureTokenCredentials) {
+                case "dev":
+                    // If AZURE_TOKEN_CREDENTIALS is set to "dev", use the developer tool-based credential chain.
+                    credentialFunctions = devCredentialFunctions;
+                    break;
+                case "prod":
+                    // If AZURE_TOKEN_CREDENTIALS is set to "prod", use the production credential chain.
+                    credentialFunctions = prodCredentialFunctions;
+                    break;
+                default: {
+                    // If AZURE_TOKEN_CREDENTIALS is set to an unsupported value, throw an error.
+                    // We will throw an error here to prevent the creation of the DefaultAzureCredential.
+                    const errorMessage = `Invalid value for AZURE_TOKEN_CREDENTIALS = ${process.env.AZURE_TOKEN_CREDENTIALS}. Valid values are 'prod' or 'dev'.`;
+                    logger.warning(errorMessage);
+                    throw new Error(errorMessage);
+                }
+            }
+        }
+        else {
+            // If AZURE_TOKEN_CREDENTIALS is not set, use the default credential chain.
+            credentialFunctions = [...prodCredentialFunctions, ...devCredentialFunctions];
+        }
+        // Errors from individual credentials should not be thrown in the DefaultAzureCredential constructor, instead throwing on getToken() which is handled by ChainedTokenCredential.
+        // When adding new credentials to the default chain, consider:
+        // 1. Making the constructor parameters required and explicit
+        // 2. Validating any required parameters in the factory function
+        // 3. Returning a UnavailableDefaultCredential from the factory function if a credential is unavailable for any reason
+        const credentials = credentialFunctions.map((createCredentialFn) => {
+            try {
+                return createCredentialFn(options);
+            }
+            catch (err) {
+                logger.warning(`Skipped ${createCredentialFn.name} because of an error creating the credential: ${err}`);
+                return new UnavailableDefaultCredential(createCredentialFn.name, err.message);
+            }
+        });
+        super(...credentials);
+    }
+}
+//# sourceMappingURL=defaultAzureCredential.js.map