Backend half

2025-07-11 19:56:28 +02:00
parent fa868e7c1d
commit 8600fa7c1d
19426 changed files with 3750448 additions and 8108 deletions
@@ -0,0 +1,113 @@
+var util = require('./util');
+var regionConfig = require('./region_config_data.json');
+
+function generateRegionPrefix(region) {
+  if (!region) return null;
+  var parts = region.split('-');
+  if (parts.length < 3) return null;
+  return parts.slice(0, parts.length - 2).join('-') + '-*';
+}
+
+function derivedKeys(service) {
+  var region = service.config.region;
+  var regionPrefix = generateRegionPrefix(region);
+  var endpointPrefix = service.api.endpointPrefix;
+
+  return [
+    [region, endpointPrefix],
+    [regionPrefix, endpointPrefix],
+    [region, '*'],
+    [regionPrefix, '*'],
+    ['*', endpointPrefix],
+    [region, 'internal-*'],
+    ['*', '*']
+  ].map(function(item) {
+    return item[0] && item[1] ? item.join('/') : null;
+  });
+}
+
+function applyConfig(service, config) {
+  util.each(config, function(key, value) {
+    if (key === 'globalEndpoint') return;
+    if (service.config[key] === undefined || service.config[key] === null) {
+      service.config[key] = value;
+    }
+  });
+}
+
+function configureEndpoint(service) {
+  var keys = derivedKeys(service);
+  var useFipsEndpoint = service.config.useFipsEndpoint;
+  var useDualstackEndpoint = service.config.useDualstackEndpoint;
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    if (!key) continue;
+
+    var rules = useFipsEndpoint
+      ? useDualstackEndpoint
+        ? regionConfig.dualstackFipsRules
+        : regionConfig.fipsRules
+      : useDualstackEndpoint
+      ? regionConfig.dualstackRules
+      : regionConfig.rules;
+
+    if (Object.prototype.hasOwnProperty.call(rules, key)) {
+      var config = rules[key];
+      if (typeof config === 'string') {
+        config = regionConfig.patterns[config];
+      }
+
+      // set global endpoint
+      service.isGlobalEndpoint = !!config.globalEndpoint;
+      if (config.signingRegion) {
+        service.signingRegion = config.signingRegion;
+      }
+
+      // signature version
+      if (!config.signatureVersion) {
+        // Note: config is a global object and should not be mutated here.
+        // However, we are retaining this line for backwards compatibility.
+        // The non-v4 signatureVersion will be set in a copied object below.
+        config.signatureVersion = 'v4';
+      }
+
+      var useBearer = (service.api && service.api.signatureVersion) === 'bearer';
+
+      // merge config
+      applyConfig(service, Object.assign(
+        {},
+        config,
+        { signatureVersion: useBearer ? 'bearer' : config.signatureVersion }
+      ));
+      return;
+    }
+  }
+}
+
+function getEndpointSuffix(region) {
+  var regionRegexes = {
+    '^(us|eu|ap|sa|ca|me)\\-\\w+\\-\\d+$': 'amazonaws.com',
+    '^cn\\-\\w+\\-\\d+$': 'amazonaws.com.cn',
+    '^us\\-gov\\-\\w+\\-\\d+$': 'amazonaws.com',
+    '^us\\-iso\\-\\w+\\-\\d+$': 'c2s.ic.gov',
+    '^us\\-isob\\-\\w+\\-\\d+$': 'sc2s.sgov.gov',
+    '^eu\\-isoe\\-west\\-1$': 'cloud.adc-e.uk',
+    '^us\\-isof\\-\\w+\\-\\d+$': 'csp.hci.ic.gov',
+  };
+  var defaultSuffix = 'amazonaws.com';
+  var regexes = Object.keys(regionRegexes);
+  for (var i = 0; i < regexes.length; i++) {
+    var regionPattern = RegExp(regexes[i]);
+    var dnsSuffix = regionRegexes[regexes[i]];
+    if (regionPattern.test(region)) return dnsSuffix;
+  }
+  return defaultSuffix;
+}
+
+/**
+ * @api private
+ */
+module.exports = {
+  configureEndpoint: configureEndpoint,
+  getEndpointSuffix: getEndpointSuffix,
+};