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kubernetes.js
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const {
KubeConfig,
AppsV1Api,
CoreV1Api,
CustomObjectsApi,
PatchUtils,
RbacAuthorizationV1Api,
NetworkingV1Api,
} = require('@kubernetes/client-node');
const kc = new KubeConfig();
kc.loadFromCluster();
const k8sAppsApi = kc.makeApiClient(AppsV1Api);
const k8sCoreApi = kc.makeApiClient(CoreV1Api);
const k8sCustomAPI = kc.makeApiClient(CustomObjectsApi);
const k8sRBACAPI = kc.makeApiClient(RbacAuthorizationV1Api);
const k8sNetworkingApi = kc.makeApiClient(NetworkingV1Api);
const awsAccountEnv = process.env.IRSA_ROLE;
const secretsmanagerSecretName1 = process.env.SECRETS_MANAGER_SECRET_ID_1;
const secretsmanagerSecretName2 = process.env.SECRETS_MANAGER_SECRET_ID_2;
const wrongSecretsContainterTag = process.env.WRONGSECRETS_TAG;
const wrongSecretsDekstopTag = process.env.WRONGSECRETS_DESKTOP_TAG;
const heroku_wrongsecret_ctf_url = process.env.REACT_APP_HEROKU_WRONGSECRETS_URL;
const { get } = require('./config');
const { logger } = require('./logger');
const createNameSpaceForTeam = async (team) => {
const namedNameSpace = {
apiVersion: 'v1',
kind: 'Namespace',
metadata: {
name: `t-${team}`,
},
labels: {
name: `t-${team}`,
'pod-security.kubernetes.io/audit': 'restricted',
'pod-security.kubernetes.io/enforce': 'baseline',
},
};
k8sCoreApi.createNamespace(namedNameSpace).catch((error) => {
throw new Error(JSON.stringify(error));
});
};
module.exports.createNameSpaceForTeam = createNameSpaceForTeam;
const createConfigmapForTeam = async (team) => {
const configmap = {
apiVersion: 'v1',
data: {
'funny.entry': 'helloCTF-configmap',
},
kind: 'ConfigMap',
metadata: {
annotations: {},
name: 'secrets-file',
namespace: `t-${team}`,
},
};
return k8sCoreApi.createNamespacedConfigMap('t-' + team, configmap).catch((error) => {
throw new Error(error.response.body.message);
});
};
module.exports.createConfigmapForTeam = createConfigmapForTeam;
const createSecretsfileForTeam = async (team) => {
const secret = {
apiVersion: 'v1',
data: {
funnier: 'RmxhZzogYXJlIHlvdSBoYXZpbmcgZnVuIHlldD8=',
},
kind: 'Secret',
type: 'Opaque',
metadata: {
name: 'funnystuff',
namespace: `t-${team}`,
},
};
return k8sCoreApi.createNamespacedSecret('t-' + team, secret).catch((error) => {
throw new Error(error.response.body.message);
});
};
module.exports.createSecretsfileForTeam = createSecretsfileForTeam;
const createK8sDeploymentForTeam = async ({ team, passcodeHash }) => {
const deploymentWrongSecretsConfig = {
metadata: {
namespace: `t-${team}`,
name: `t-${team}-wrongsecrets`,
labels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
annotations: {
'wrongsecrets-ctf-party/lastRequest': `${new Date().getTime()}`,
'wrongsecrets-ctf-party/lastRequestReadable': new Date().toString(),
'wrongsecrets-ctf-party/passcode': passcodeHash,
'wrongsecrets-ctf-party/challengesSolved': '0',
'wrongsecrets-ctf-party/challenges': '[]',
},
},
spec: {
selector: {
matchLabels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
},
template: {
metadata: {
labels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
},
spec: {
automountServiceAccountToken: false,
securityContext: {
runAsUser: 2000,
runAsGroup: 2000,
fsGroup: 2000,
},
containers: [
{
name: 'wrongsecrets',
image: `jeroenwillemsen/wrongsecrets:${wrongSecretsContainterTag}`,
imagePullPolicy: get('wrongsecrets.imagePullPolicy'),
securityContext: {
allowPrivilegeEscalation: false,
readOnlyRootFilesystem: true,
runAsNonRoot: true,
capabilities: { drop: ['ALL'] },
seccompProfile: { type: 'RuntimeDefault' },
},
env: [
{
name: 'hints_enabled',
value: 'false',
},
{
name: 'ctf_enabled',
value: 'true',
},
{
name: 'ctf_key',
value: 'notarealkeyyouknowbutyoumightgetflags',
},
{
name: 'K8S_ENV',
value: 'k8s',
},
{
name: 'CTF_SERVER_ADDRESS',
value: `${heroku_wrongsecret_ctf_url}`,
},
{
name: 'challenge_acht_ctf_to_provide_to_host_value',
value: 'provideThisKeyToHostThankyouAlllGoodDoYouLikeRandomLogging?',
},
{
name: 'SPECIAL_K8S_SECRET',
valueFrom: {
configMapKeyRef: {
name: 'secrets-file',
key: 'funny.entry',
},
},
},
{
name: 'SPECIAL_SPECIAL_K8S_SECRET',
valueFrom: {
secretKeyRef: {
name: 'funnystuff',
key: 'funnier',
},
},
},
...get('wrongsecrets.env', []),
],
envFrom: get('wrongsecrets.envFrom'),
ports: [
{
containerPort: 8080,
},
],
readinessProbe: {
httpGet: {
path: '/actuator/health/readiness',
port: 8080,
},
initialDelaySeconds: 90,
timeoutSeconds: 30,
periodSeconds: 10,
failureThreshold: 10,
},
livenessProbe: {
httpGet: {
path: '/actuator/health/liveness',
port: 8080,
},
initialDelaySeconds: 90,
timeoutSeconds: 30,
periodSeconds: 30,
},
resources: {
requests: {
memory: '512Mi',
cpu: '200m',
'ephemeral-storage': '1Gi',
},
limits: {
memory: '512Mi',
cpu: '500m',
'ephemeral-storage': '2Gi',
},
},
volumeMounts: [
// {
// name: 'wrongsecrets-config',
// mountPath: '/wrongsecrets/config/wrongsecrets-ctf-party.yaml',
// subPath: 'wrongsecrets-ctf-party.yaml',
// },
{
mountPath: '/tmp',
name: 'ephemeral',
},
// ...get('wrongsecrets.volumeMounts', []),
],
},
],
volumes: [
// {
// name: 'wrongsecrets-config',
// configMap: {
// name: 'wrongsecrets-config',
// },
// },
{
name: 'ephemeral',
emptyDir: {},
},
// ...get('wrongsecrets.volumes', []),
],
tolerations: get('wrongsecrets.tolerations'),
affinity: get('wrongsecrets.affinity'),
runtimeClassName: get('wrongsecrets.runtimeClassName')
? get('wrongsecrets.runtimeClassName')
: undefined,
},
},
},
};
return k8sAppsApi
.createNamespacedDeployment('t-' + team, deploymentWrongSecretsConfig)
.catch((error) => {
throw new Error(error.response.body.message);
});
};
module.exports.createK8sDeploymentForTeam = createK8sDeploymentForTeam;
//BEGIN AWS
const createAWSSecretsProviderForTeam = async (team) => {
const secretProviderClass = {
apiVersion: 'secrets-store.csi.x-k8s.io/v1',
kind: 'SecretProviderClass',
metadata: {
name: 'wrongsecrets-aws-secretsmanager',
namespace: `t-${team}`,
},
spec: {
provider: 'aws',
parameters: {
objects: `- objectName: "${secretsmanagerSecretName1}"\n objectType: "secretsmanager"\n- objectName: "${secretsmanagerSecretName2}"\n objectType: "secretsmanager"\n`,
},
},
};
return k8sCustomAPI
.createNamespacedCustomObject(
'secrets-store.csi.x-k8s.io',
'v1',
`t-${team}`,
'secretproviderclasses',
secretProviderClass
)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
};
module.exports.createAWSSecretsProviderForTeam = createAWSSecretsProviderForTeam;
const patchServiceAccountForTeamForAWS = async (team) => {
const patch = {
metadata: {
annotations: {
'eks.amazonaws.com/role-arn': `${awsAccountEnv}`,
},
},
};
const options = { headers: { 'Content-type': PatchUtils.PATCH_FORMAT_JSON_MERGE_PATCH } };
return k8sCoreApi
.patchNamespacedServiceAccount(
'default',
`t-${team}`,
patch,
undefined,
undefined,
undefined,
undefined,
undefined,
options
)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
};
module.exports.patchServiceAccountForTeamForAWS = patchServiceAccountForTeamForAWS;
const createAWSDeploymentForTeam = async ({ team, passcodeHash }) => {
const deploymentWrongSecretsConfig = {
metadata: {
namespace: `t-${team}`,
name: `t-${team}-wrongsecrets`,
labels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
annotations: {
'wrongsecrets-ctf-party/lastRequest': `${new Date().getTime()}`,
'wrongsecrets-ctf-party/lastRequestReadable': new Date().toString(),
'wrongsecrets-ctf-party/passcode': passcodeHash,
'wrongsecrets-ctf-party/challengesSolved': '0',
'wrongsecrets-ctf-party/challenges': '[]',
},
},
spec: {
selector: {
matchLabels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
},
template: {
metadata: {
labels: {
app: 'wrongsecrets',
team: `${team}`,
'deployment-context': get('deploymentContext'),
},
},
spec: {
automountServiceAccountToken: false,
securityContext: {
runAsUser: 2000,
runAsGroup: 2000,
fsGroup: 2000,
},
volumes: [
{
name: 'secrets-store-inline',
csi: {
driver: 'secrets-store.csi.k8s.io',
readOnly: true,
volumeAttributes: {
secretProviderClass: 'wrongsecrets-aws-secretsmanager',
},
},
},
{
name: 'ephemeral',
emptyDir: {},
},
],
containers: [
{
name: 'wrongsecrets',
image: `jeroenwillemsen/wrongsecrets:${wrongSecretsContainterTag}`,
imagePullPolicy: get('wrongsecrets.imagePullPolicy'),
// resources: get('wrongsecrets.resources'),
securityContext: {
allowPrivilegeEscalation: false,
readOnlyRootFilesystem: true,
runAsNonRoot: true,
capabilities: { drop: ['ALL'] },
seccompProfile: { type: 'RuntimeDefault' },
},
env: [
{
name: 'hints_enabled',
value: 'false',
},
{
name: 'ctf_enabled',
value: 'true',
},
{
name: 'ctf_key',
value: 'notarealkeyyouknowbutyoumightgetflags',
},
{
name: 'K8S_ENV',
value: 'aws',
},
{
name: 'APP_VERSION',
value: `${wrongSecretsContainterTag}-ctf`,
},
{
name: 'CTF_SERVER_ADDRESS',
value: `${heroku_wrongsecret_ctf_url}`,
},
{
name: 'FILENAME_CHALLENGE9',
value: `${secretsmanagerSecretName1}`,
},
{
name: 'FILENAME_CHALLENGE10',
value: `${secretsmanagerSecretName2}`,
},
{
name: 'challenge_acht_ctf_to_provide_to_host_value',
value: 'provideThisKeyToHostThankyouAlllGoodDoYouLikeRandomLogging?',
},
{
name: 'SPECIAL_K8S_SECRET',
valueFrom: {
configMapKeyRef: {
name: 'secrets-file',
key: 'funny.entry',
},
},
},
{
name: 'SPECIAL_SPECIAL_K8S_SECRET',
valueFrom: {
secretKeyRef: {
name: 'funnystuff',
key: 'funnier',
},
},
},
...get('wrongsecrets.env', []),
],
envFrom: get('wrongsecrets.envFrom'),
ports: [
{
containerPort: 8080,
},
],
readinessProbe: {
httpGet: {
path: '/actuator/health/readiness',
port: 8080,
},
initialDelaySeconds: 120,
timeoutSeconds: 30,
periodSeconds: 10,
failureThreshold: 10,
},
livenessProbe: {
httpGet: {
path: '/actuator/health/liveness',
port: 8080,
},
initialDelaySeconds: 90,
timeoutSeconds: 30,
periodSeconds: 30,
},
resources: {
requests: {
memory: '512Mi',
cpu: '200m',
'ephemeral-storage': '1Gi',
},
limits: {
memory: '512Mi',
cpu: '500m',
'ephemeral-storage': '2Gi',
},
},
volumeMounts: [
// {
// name: 'wrongsecrets-config',
// mountPath: '/wrongsecrets/config/wrongsecrets-ctf-party.yaml',
// subPath: 'wrongsecrets-ctf-party.yaml',
// },
{
mountPath: '/tmp',
name: 'ephemeral',
},
{
name: 'secrets-store-inline',
mountPath: '/mnt/secrets-store',
readOnly: true,
},
// ...get('wrongsecrets.volumeMounts', []),
],
},
],
tolerations: get('wrongsecrets.tolerations'),
affinity: get('wrongsecrets.affinity'),
runtimeClassName: get('wrongsecrets.runtimeClassName')
? get('wrongsecrets.runtimeClassName')
: undefined,
},
},
},
};
return k8sAppsApi
.createNamespacedDeployment('t-' + team, deploymentWrongSecretsConfig)
.catch((error) => {
throw new Error(error.response.body.message);
});
};
module.exports.createAWSDeploymentForTeam = createAWSDeploymentForTeam;
//END AWS
const getKubernetesEndpointToWhitelist = async () => {
const {
response: {
body: { subsets },
},
} = await k8sCoreApi.readNamespacedEndpoints('kubernetes', 'default');
logger.info(JSON.stringify(subsets));
return subsets.flatMap((subset) => subset.addresses.map((address) => address.ip));
};
const createNSPsforTeam = async (team) => {
const ipaddresses = await getKubernetesEndpointToWhitelist();
const nspAllowkubectl = {
apiVersion: 'networking.k8s.io/v1',
kind: 'NetworkPolicy',
metadata: {
name: 'access-kubectl-from-virtualdeskop',
namespace: `t-${team}`,
},
spec: {
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
egress: [
{
to: ipaddresses.map((address) => ({
ipBlock: {
cidr: `${address}/32`,
},
})),
ports: [
{
port: 443,
protocol: 'TCP',
},
{
port: 8443,
protocol: 'TCP',
},
{
port: 80,
protocol: 'TCP',
},
{
port: 10250,
protocol: 'TCP',
},
{
port: 53,
protocol: 'UDP',
},
],
},
],
},
};
const nspDefaultDeny = {
apiVersion: 'networking.k8s.io/v1',
kind: 'NetworkPolicy',
metadata: {
name: 'default-deny-all',
namespace: `t-${team}`,
},
spec: {
podSelector: {},
policyTypes: ['Ingress', 'Egress'],
},
};
const nsAllowBalancer = {
kind: 'NetworkPolicy',
apiVersion: 'networking.k8s.io/v1',
metadata: {
name: 'balancer-access-to-namespace',
namespace: `t-${team}`,
},
spec: {
podSelector: {},
ingress: [
{
from: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'default',
},
},
},
{
podSelector: {
matchLabels: {
'app.kubernetes.io/name': 'wrongsecrets-ctf-party',
},
},
},
],
},
],
},
egress: [
{
to: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'default',
},
},
},
{
podSelector: {
matchLabels: {
'app.kubernetes.io/name': 'wrongsecrets-ctf-party',
},
},
},
],
},
],
};
const nsAllowWrongSecretstoVirtualDesktop = {
kind: 'NetworkPolicy',
apiVersion: 'networking.k8s.io/v1',
metadata: {
name: 'allow-wrongsecrets-access',
namespace: `t-${team}`,
},
spec: {
podSelector: {
matchLabels: {
app: 'wrongsecrets',
},
},
ingress: [
{
from: [
{
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
},
],
},
],
},
egress: [
{
to: [
{
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
},
],
},
],
};
const nsAllowVirtualDesktoptoWrongSecrets = {
kind: 'NetworkPolicy',
apiVersion: 'networking.k8s.io/v1',
metadata: {
name: 'allow-virtualdesktop-access',
namespace: `t-${team}`,
},
spec: {
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
ingress: [
{
from: [
{
podSelector: {
matchLabels: {
app: 'wrongsecrets',
},
},
},
],
},
],
},
egress: [
{
to: [
{
podSelector: {
matchLabels: {
app: 'wrongsecrets',
},
},
},
],
},
],
};
const nsAllowToDoKubeCTLFromWebTop = {
apiVersion: 'networking.k8s.io/v1',
kind: 'NetworkPolicy',
metadata: {
name: 'allow-webtop-kubesystem',
namespace: `t-${team}`,
},
spec: {
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
policyTypes: ['Egress'],
egress: [
{
to: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'kube-system',
},
},
},
],
ports: [
{
port: 8443,
protocol: 'TCP',
},
{
port: 8443,
protocol: 'UDP',
},
{
port: 443,
protocol: 'TCP',
},
{
port: 443,
protocol: 'UDP',
},
],
},
],
ingress: [
{
from: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'kube-system',
},
},
},
],
ports: [
{
port: 8443,
protocol: 'TCP',
},
{
port: 8443,
protocol: 'UDP',
},
{
port: 443,
protocol: 'TCP',
},
{
port: 443,
protocol: 'UDP',
},
],
},
],
},
};
const nsAllowOnlyDNS = {
apiVersion: 'networking.k8s.io/v1',
kind: 'NetworkPolicy',
metadata: {
name: 'deny-all-egress-excpet-dns',
namespace: `t-${team}`,
},
spec: {
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': `t-${team}`,
},
},
policyTypes: ['Egress'],
egress: [
{
ports: [
{
port: 53,
protocol: 'UDP',
},
{
port: 53,
protocol: 'TCP',
},
],
},
],
},
};
const broaderallow = {
apiVersion: 'networking.k8s.io/v1',
kind: 'NetworkPolicy',
metadata: {
name: 'kubectl-policy',
namespace: `t-${team}`,
},
spec: {
podSelector: {
matchLabels: {
app: 'virtualdesktop',
},
},
policyTypes: ['Ingress', 'Egress'],
ingress: [
{
from: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'kube-system',
},
},
podSelector: {},
},
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'default',
},
},
podSelector: {},
},
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': `t-${team}`,
},
},
podSelector: {},
},
],
},
],
egress: [
{
to: [
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': 'kube-system',
},
},
podSelector: {},
},
{
namespaceSelector: {
matchLabels: {
'kubernetes.io/metadata.name': `t-${team}`,
},
},
podSelector: {},
},
],
},
],
},
};
logger.info(`applying nspAllowkubectl for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nspAllowkubectl)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nspDefaultDeny for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nspDefaultDeny)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nsAllowOnlyDNS for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nsAllowOnlyDNS)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nsAllowBalancer for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nsAllowBalancer)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nsAllowWrongSecretstoVirtualDesktop for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nsAllowWrongSecretstoVirtualDesktop)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nsAllowVirtualDesktoptoWrongSecrets for ${team}`);
await k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nsAllowVirtualDesktoptoWrongSecrets)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying broaderallow for ${team}`);
await k8sNetworkingApi.createNamespacedNetworkPolicy(`t-${team}`, broaderallow).catch((error) => {
throw new Error(JSON.stringify(error));
});
logger.info(`applying nsAllowToDoKubeCTLFromWebTop for ${team}`);
return k8sNetworkingApi
.createNamespacedNetworkPolicy(`t-${team}`, nsAllowToDoKubeCTLFromWebTop)
.catch((error) => {
throw new Error(JSON.stringify(error));
});
};
module.exports.createNSPsforTeam = createNSPsforTeam;
const createServiceAccountForWebTop = async (team) => {
const webtopSA = {
apiVersion: 'v1',
kind: 'ServiceAccount',
metadata: {
name: 'webtop-sa',
namespace: `t-${team}`,
},
};
return k8sCoreApi.createNamespacedServiceAccount(`t-${team}`, webtopSA).catch((error) => {
throw new Error(JSON.stringify(error));
});
};
module.exports.createServiceAccountForWebTop = createServiceAccountForWebTop;
const createRoleForWebTop = async (team) => {
const roleDefinitionForWebtop = {
kind: 'Role',
apiVersion: 'rbac.authorization.k8s.io/v1',
metadata: {
namespace: `t-${team}`,
name: 'virtualdesktop-team-role',
},
rules: [
{
apiGroups: [''],
resources: ['secrets'],
verbs: ['get', 'list'],
},
{
apiGroups: [''],
resources: ['configmaps'],
verbs: ['get', 'list'],
},
{