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auth-template.yml.ejs
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auth-template.yml.ejs
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AWSTemplateFormatVersion: 2010-09-09
Parameters:
env:
Type: String
authRoleArn:
Type: String
unauthRoleArn:
Type: String
<% if (props.dependsOn && props.dependsOn.length > 0) { %>
<% for(var i=0; i < props.dependsOn.length; i++) { %>
<% for(var j=0; j < props.dependsOn[i].attributes.length; j++) { %>
<%= props.dependsOn[i].category %><%= props.dependsOn[i].resourceName %><%= props.dependsOn[i].attributes[j] %>:
Type: String
Default: <%= props.dependsOn[i].category %><%= props.dependsOn[i].resourceName %><%= props.dependsOn[i].attributes[j] %>
<% } %>
<% } %>
<% } %>
<% for(var i=0; i < Object.keys(props).length; i++) { -%>
<% if (typeof Object.values(props)[i] === 'string' || (Object.values(props)[i] && Object.values(props)[i].value)) { %>
<%=Object.keys(props)[i]%>:
Type: String
<% } -%>
<% if (typeof Object.values(props)[i] === 'boolean') { %>
<%=Object.keys(props)[i]%>:
Type: String
<% } -%>
<% if (typeof Object.values(props)[i] === 'number') { %>
<%=Object.keys(props)[i]%>:
Type: Number
<% } -%>
<% if (Object.keys(props)[i] === 'parentStack') { %>
<%=Object.keys(props)[i]%>:
Type: String
<% } -%>
<% if (Array.isArray(Object.values(props)[i])) { %>
<%=Object.keys(props)[i]%>:
Type: CommaDelimitedList
<% } -%>
<% } -%>
<% if(Object.keys(props).includes('hostedUIProviderMeta') && !Object.keys(props).includes('hostedUIProviderCreds')) { %>
hostedUIProviderCreds:
Type: String
Default: '[]'
<% } -%>
Conditions:
ShouldNotCreateEnvResources: !Equals [ !Ref env, NONE ]
ShouldOutputAppClientSecrets: !Equals [!Ref userpoolClientGenerateSecret, true ]
Resources:
<%if (props.verificationBucketName) { %>
CustomMessageConfirmationBucket:
Type: AWS::S3::Bucket
DeletionPolicy: "Retain"
Properties:
BucketName: !If [ShouldNotCreateEnvResources, !Ref verificationBucketName, !Join ['',[!Ref verificationBucketName, '-', !Ref env]]]
AccessControl: "Private"
WebsiteConfiguration:
IndexDocument: "index.html"
ErrorDocument: "index.html"
CorsConfiguration:
CorsRules:
-
AllowedHeaders:
- "Authorization"
- "Content-Length"
AllowedMethods:
- "GET"
AllowedOrigins:
- "*"
MaxAge: 3000
<% } %>
<%if (props.authSelections !== 'identityPoolOnly') { %>
# BEGIN SNS ROLE RESOURCE
SNSRole:
# Created to allow the UserPool SMS Config to publish via the Simple Notification Service during MFA Process
Type: AWS::IAM::Role
Properties:
RoleName: !If [ShouldNotCreateEnvResources, '<%=`${props.resourceNameTruncated}_sns-role`%>', !Join ['',[ 'sns', '<%=`${props.sharedId}`%>', !Select [3, !Split ['-', !Ref 'AWS::StackName']], '-', !Ref env]]]
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
- Sid: ""
Effect: "Allow"
Principal:
Service: "cognito-idp.amazonaws.com"
Action:
- "sts:AssumeRole"
Condition:
StringEquals:
sts:ExternalId: <%=`${props.resourceNameTruncated}_role_external_id`%>
Policies:
-
PolicyName: <%=`${props.resourceNameTruncated}-sns-policy`%>
PolicyDocument:
Version: "2012-10-17"
Statement:
-
Effect: "Allow"
Action:
- "sns:Publish"
Resource: "*"
# BEGIN USER POOL RESOURCES
UserPool:
# Created upon user selection
# Depends on SNS Role for Arn if MFA is enabled
Type: AWS::Cognito::UserPool
UpdateReplacePolicy: Retain
Properties:
UserPoolName: !If [ShouldNotCreateEnvResources, !Ref userPoolName, !Join ['',[!Ref userPoolName, '-', !Ref env]]]
<%if (props.requiredAttributes && props.requiredAttributes.length > 0) { %>
<%if (props.usernameCaseSensitive !== undefined) { %>
UsernameConfiguration:
CaseSensitive: <%= props.usernameCaseSensitive %>
<% } %>
Schema:
<% for(var i=0; i < props.requiredAttributes.length; i++) { %>
-
Name: <%= props.requiredAttributes[i] %>
Required: true
Mutable: true
<% } %>
<% } %>
<%if (props.triggers && props.triggers !== '{}' && props.dependsOn) { %>
LambdaConfig:
<%if (props.dependsOn.find(i => i.resourceName.includes('CreateAuthChallenge'))) { %>
CreateAuthChallenge: !Ref function<%=props.resourceName%>CreateAuthChallengeArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('CustomMessage'))) { %>
CustomMessage: !Ref function<%=props.resourceName%>CustomMessageArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('DefineAuthChallenge'))) { %>
DefineAuthChallenge: !Ref function<%=props.resourceName%>DefineAuthChallengeArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PostAuthentication'))) { %>
PostAuthentication: !Ref function<%=props.resourceName%>PostAuthenticationArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PostConfirmation'))) { %>
PostConfirmation: !Ref function<%=props.resourceName%>PostConfirmationArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreAuthentication'))) { %>
PreAuthentication: !Ref function<%=props.resourceName%>PreAuthenticationArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreSignup'))) { %>
PreSignUp: !Ref function<%=props.resourceName%>PreSignupArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreTokenGeneration'))) { %>
PreTokenGeneration: !Ref function<%=props.resourceName%>PreTokenGenerationArn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('VerifyAuthChallengeResponse'))) { %>
VerifyAuthChallengeResponse: !Ref function<%=props.resourceName%>VerifyAuthChallengeResponseArn
<% } %>
<% } %>
<%if (props.autoVerifiedAttributes && props.autoVerifiedAttributes.length > 0) { %>
AutoVerifiedAttributes: !Ref autoVerifiedAttributes
<% } %>
<%if (props.autoVerifiedAttributes.includes('email')) { %>
EmailVerificationMessage: !Ref emailVerificationMessage
EmailVerificationSubject: !Ref emailVerificationSubject
<% } %>
Policies:
PasswordPolicy:
MinimumLength: !Ref passwordPolicyMinLength
RequireLowercase: <%= props.passwordPolicyCharacters.includes('Requires Lowercase') %>
RequireNumbers: <%= props.passwordPolicyCharacters.includes('Requires Numbers') %>
RequireSymbols: <%= props.passwordPolicyCharacters.includes('Requires Symbols') %>
RequireUppercase: <%= props.passwordPolicyCharacters.includes('Requires Uppercase') %>
<% if (props.usernameAttributes && props.usernameAttributes !== 'username') { %>
UsernameAttributes: !Ref usernameAttributes
<% } %>
MfaConfiguration: !Ref mfaConfiguration
SmsVerificationMessage: !Ref smsVerificationMessage
SmsConfiguration:
SnsCallerArn: !GetAtt SNSRole.Arn
ExternalId: <%=`${props.resourceNameTruncated}_role_external_id`%>
<%if (props.mfaConfiguration != 'OFF') { %>
DependsOn: SNSRole
<% } %>
<%if (props.triggers && props.dependsOn) { %>
<%if (props.dependsOn.find(i => i.resourceName.includes('CreateAuthChallenge'))) { %>
UserPoolCreateAuthChallengeLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>CreateAuthChallengeName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('CustomMessage'))) { %>
UserPoolCustomMessageLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>CustomMessageName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('DefineAuthChallenge'))) { %>
UserPoolDefineAuthChallengeLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>DefineAuthChallengeName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PostAuthentication'))) { %>
UserPoolPostAuthenticationLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>PostAuthenticationName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PostConfirmation'))) { %>
UserPoolPostConfirmationLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>PostConfirmationName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreAuthentication'))) { %>
UserPoolPreAuthenticationLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>PreAuthenticationName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreSignup'))) { %>
UserPoolPreSignupLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>PreSignupName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('PreTokenGeneration'))) { %>
UserPoolPreTokenGenerationLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>PreTokenGenerationName
SourceArn: !GetAtt UserPool.Arn
<% } %>
<%if (props.dependsOn.find(i => i.resourceName.includes('VerifyAuthChallengeResponse'))) { %>
UserPoolVerifyAuthChallengeResponseLambdaInvokePermission:
Type: "AWS::Lambda::Permission"
DependsOn: UserPool
Properties:
Action: "lambda:invokeFunction"
Principal: "cognito-idp.amazonaws.com"
FunctionName: !Ref function<%=props.resourceName%>VerifyAuthChallengeResponseName
SourceArn: !GetAtt UserPool.Arn
<% } %>
# Updating lambda role with permissions to Cognito
<% if (props.permissions && props.permissions.length > 0) { %>
<% for(var i=0; i < props.permissions.length; i++) { %>
<%=`${props.resourceName}${JSON.parse(props.permissions[i]).trigger}${JSON.parse(props.permissions[i]).policyName}:`%>
Type: AWS::IAM::Policy
Properties:
PolicyName: <%=`${props.resourceName}${JSON.parse(props.permissions[i]).trigger}${JSON.parse(props.permissions[i]).policyName}`%>
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: <%= JSON.parse(props.permissions[i]).effect %>
Action:
<% for(let x = 0; x < JSON.parse(props.permissions[i]).actions.length; x++) { %>
- <%=JSON.parse(props.permissions[i]).actions[x]%>
<% } %>
<% if(JSON.parse(props.permissions[i]).resource.paramType === 'string') { %>
Resource: "<%=JSON.parse(props.permissions[i]).resource.keys %>"
<% } %>
<% if(JSON.parse(props.permissions[i]).resource.paramType === '!GetAtt') { %>
Resource: !GetAtt
<% for(let z = 0; z < JSON.parse(props.permissions[i]).resource.keys.length; z++) { %>
- <%= JSON.parse(props.permissions[i]).resource.keys[z] %>
<% } %>
<% } %>
<% if(JSON.parse(props.permissions[i]).resource.paramType === '!Ref') { %>
Resource: !Ref <%=JSON.parse(props.permissions[i]).resource.keys %>
<% } %>
Roles:
- !Join ['',["<%=`${props.resourceName}${JSON.parse(props.permissions[i]).trigger}`%>", '-', !Ref env]]
<% } %>
<% } %>
<% } %>
UserPoolClientWeb:
# Created provide application access to user pool
# Depends on UserPool for ID reference
Type: "AWS::Cognito::UserPoolClient"
Properties:
ClientName: <%= props.resourceNameTruncated %>_app_clientWeb
<%if (props.userpoolClientSetAttributes) { %>
ReadAttributes: !Ref userpoolClientReadAttributes
WriteAttributes: !Ref userpoolClientWriteAttributes
<% } %>
RefreshTokenValidity: !Ref userpoolClientRefreshTokenValidity
UserPoolId: !Ref UserPool
DependsOn: UserPool
UserPoolClient:
# Created provide application access to user pool
# Depends on UserPool for ID reference
Type: "AWS::Cognito::UserPoolClient"
Properties:
ClientName: <%= props.resourceNameTruncated %>_app_client
<%if (props.userpoolClientSetAttributes) { %>
ReadAttributes: !Ref userpoolClientReadAttributes
WriteAttributes: !Ref userpoolClientWriteAttributes
<% } %>
GenerateSecret: !Ref userpoolClientGenerateSecret
RefreshTokenValidity: !Ref userpoolClientRefreshTokenValidity
UserPoolId: !Ref UserPool
DependsOn: UserPool
# BEGIN USER POOL LAMBDA RESOURCES
UserPoolClientRole:
# Created to execute Lambda which gets userpool app client config values
Type: 'AWS::IAM::Role'
Properties:
RoleName: !If [ShouldNotCreateEnvResources, !Ref userpoolClientLambdaRole, !Join ['',['upClientLambdaRole', '<%=`${props.sharedId}`%>', !Select [3, !Split ['-', !Ref 'AWS::StackName']], '-', !Ref env]]]
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- 'sts:AssumeRole'
DependsOn: UserPoolClient
UserPoolClientLambda:
# Lambda which gets userpool app client config values
# Depends on UserPool for id
# Depends on UserPoolClientRole for role ARN
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const identity = new aws.CognitoIdentityServiceProvider();'
- 'exports.handler = (event, context, callback) => {'
- ' if (event.RequestType == ''Delete'') { '
- ' response.send(event, context, response.SUCCESS, {})'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' const params = {'
- ' ClientId: event.ResourceProperties.clientId,'
- ' UserPoolId: event.ResourceProperties.userpoolId'
- ' };'
- ' identity.describeUserPoolClient(params).promise()'
- ' .then((res) => {'
- ' response.send(event, context, response.SUCCESS, {''appSecret'': res.UserPoolClient.ClientSecret});'
- ' })'
- ' .catch((err) => {'
- ' response.send(event, context, response.FAILED, {err});'
- ' });'
- ' }'
- '};'
Handler: index.handler
Runtime: nodejs10.x
Timeout: '300'
Role: !GetAtt
- UserPoolClientRole
- Arn
DependsOn: UserPoolClientRole
UserPoolClientLambdaPolicy:
# Sets userpool policy for the role that executes the Userpool Client Lambda
# Depends on UserPool for Arn
# Marked as depending on UserPoolClientRole for easier to understand CFN sequencing
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: <%=`${props.resourceNameTruncated}_userpoolclient_lambda_iam_policy`%>
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'cognito-idp:DescribeUserPoolClient'
Resource: !GetAtt UserPool.Arn
DependsOn: UserPoolClientLambda
UserPoolClientLogPolicy:
# Sets log policy for the role that executes the Userpool Client Lambda
# Depends on UserPool for Arn
# Marked as depending on UserPoolClientLambdaPolicy for easier to understand CFN sequencing
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: <%=`${props.resourceNameTruncated}_userpoolclient_lambda_log_policy`%>
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'logs:CreateLogGroup'
- 'logs:CreateLogStream'
- 'logs:PutLogEvents'
Resource: !Sub
- arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*
- { region: !Ref "AWS::Region", account: !Ref "AWS::AccountId", lambda: !Ref UserPoolClientLambda}
DependsOn: UserPoolClientLambdaPolicy
UserPoolClientInputs:
# Values passed to Userpool client Lambda
# Depends on UserPool for Id
# Depends on UserPoolClient for Id
# Marked as depending on UserPoolClientLambdaPolicy for easier to understand CFN sequencing
Type: 'Custom::LambdaCallout'
Properties:
ServiceToken: !GetAtt UserPoolClientLambda.Arn
clientId: !Ref UserPoolClient
userpoolId: !Ref UserPool
DependsOn: UserPoolClientLogPolicy
<%if (props.hostedUIDomainName) { %>
HostedUICustomResource:
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const identity = new aws.CognitoIdentityServiceProvider();'
- 'exports.handler = (event, context, callback) => {'
- ' const userPoolId = event.ResourceProperties.userPoolId;'
- ' const inputDomainName = event.ResourceProperties.hostedUIDomainName;'
- ' let deleteUserPoolDomain = (domainName) => {'
- ' let params = { Domain: domainName, UserPoolId: userPoolId };'
- ' return identity.deleteUserPoolDomain(params).promise();'
- ' };'
- ' if (event.RequestType == ''Delete'') {'
- ' deleteUserPoolDomain(inputDomainName)'
- ' .then(() => {response.send(event, context, response.SUCCESS, {})})'
- ' .catch((err) => { console.log(err); response.send(event, context, response.FAILED, {err}) });'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' let checkDomainAvailability = (domainName) => {'
- ' let params = { Domain: domainName };'
- ' return identity.describeUserPoolDomain(params).promise().then((res) => {'
- ' if (res.DomainDescription && res.DomainDescription.UserPool) {'
- ' return false;'
- ' }'
- ' return true;'
- ' }).catch((err) => { return false; });'
- ' };'
- ' let createUserPoolDomain = (domainName) => {'
- ' let params = { Domain: domainName, UserPoolId: userPoolId };'
- ' return identity.createUserPoolDomain(params).promise();'
- ' };'
- ' identity.describeUserPool({UserPoolId: userPoolId }).promise().then((result) => {'
- ' if (inputDomainName) {'
- ' if (result.UserPool.Domain === inputDomainName) {'
- ' return;'
- ' } else {'
- ' if (!result.UserPool.Domain) {'
- ' return checkDomainAvailability(inputDomainName).then((isDomainAvailable) => {'
- ' if (isDomainAvailable) {'
- ' return createUserPoolDomain(inputDomainName);'
- ' } else {'
- ' throw new Error(''Domain not available'');'
- ' }'
- ' });'
- ' } else {'
- ' return checkDomainAvailability(inputDomainName).then((isDomainAvailable) => {'
- ' if (isDomainAvailable) {'
- ' return deleteUserPoolDomain(result.UserPool.Domain).then(() => createUserPoolDomain(inputDomainName));'
- ' } else {'
- ' throw new Error(''Domain not available'');'
- ' }'
- ' });'
- ' }'
- ' }'
- ' } else {'
- ' if (result.UserPool.Domain) {'
- ' return deleteUserPoolDomain(result.UserPool.Domain);'
- ' }'
- ' }'
- ' }).then(() => {response.send(event, context, response.SUCCESS, {})}).catch((err) => {'
- ' console.log(err); response.send(event, context, response.FAILED, {err});'
- ' });'
- '}}'
Handler: index.handler
Runtime: nodejs10.x
Timeout: '300'
Role: !GetAtt
- UserPoolClientRole
- Arn
DependsOn: UserPoolClientRole
HostedUICustomResourcePolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'hostedUI']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'cognito-idp:CreateUserPoolDomain'
- 'cognito-idp:DescribeUserPool'
- 'cognito-idp:DeleteUserPoolDomain'
Resource: !GetAtt UserPool.Arn
- Effect: Allow
Action:
- 'cognito-idp:DescribeUserPoolDomain'
Resource: '*'
DependsOn: HostedUICustomResource
HostedUICustomResourceLogPolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'hostedUILogPolicy']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'logs:CreateLogGroup'
- 'logs:CreateLogStream'
- 'logs:PutLogEvents'
Resource: !Sub
- arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*
- { region: !Ref "AWS::Region", account: !Ref "AWS::AccountId", lambda: !Ref HostedUICustomResource}
DependsOn: HostedUICustomResourcePolicy
HostedUICustomResourceInputs:
Type: 'Custom::LambdaCallout'
Properties:
ServiceToken: !GetAtt HostedUICustomResource.Arn
userPoolId: !Ref UserPool
hostedUIDomainName: !If [ShouldNotCreateEnvResources, !Ref hostedUIDomainName, !Join ['-',[!Ref hostedUIDomainName, !Ref env]]]
DependsOn: HostedUICustomResourceLogPolicy
<% } %>
<%if (props.hostedUIProviderMeta) { %>
HostedUIProvidersCustomResource:
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const identity = new aws.CognitoIdentityServiceProvider();'
- 'exports.handler = (event, context, callback) => {'
- 'try{'
- ' const userPoolId = event.ResourceProperties.userPoolId;'
- ' let hostedUIProviderMeta = JSON.parse(event.ResourceProperties.hostedUIProviderMeta);'
- ' let hostedUIProviderCreds = JSON.parse(event.ResourceProperties.hostedUIProviderCreds);'
- ' if(hostedUIProviderCreds.length === 0) {'
- ' response.send(event, context, response.SUCCESS, {});'
- ' }'
- ' if (event.RequestType == ''Delete'') {'
- ' response.send(event, context, response.SUCCESS, {});'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' let getRequestParams = (providerName) => {'
- ' let providerMetaIndex = hostedUIProviderMeta.findIndex((provider) => provider.ProviderName === providerName);'
- ' let providerMeta = hostedUIProviderMeta[providerMetaIndex];'
- ' let providerCredsIndex = hostedUIProviderCreds.findIndex((provider) => provider.ProviderName === providerName);'
- ' let providerCreds = hostedUIProviderCreds[providerCredsIndex];'
- ' let requestParams = {'
- ' ProviderDetails: {'
- ' ''client_id'': providerCreds.client_id,'
- ' ''client_secret'': providerCreds.client_secret,'
- ' ''authorize_scopes'': providerMeta.authorize_scopes'
- ' },'
- ' ProviderName: providerMeta.ProviderName,'
- ' UserPoolId: userPoolId,'
- ' AttributeMapping: providerMeta.AttributeMapping'
- ' };'
- ' return requestParams;'
- ' };'
- ' let createIdentityProvider = (providerName) => {'
- ' let requestParams = getRequestParams(providerName);'
- ' requestParams.ProviderType = requestParams.ProviderName;'
- ' return identity.createIdentityProvider(requestParams).promise();'
- ' };'
- ' let updateIdentityProvider = (providerName) => {'
- ' let requestParams = getRequestParams(providerName);'
- ' return identity.updateIdentityProvider(requestParams).promise();'
- ' };'
- ' let deleteIdentityProvider = (providerName) => {'
- ' let params = {ProviderName: providerName, UserPoolId: userPoolId};'
- ' return identity.deleteIdentityProvider(params).promise();'
- ' };'
- ' let providerPromises = [];'
- ' identity.listIdentityProviders({UserPoolId: userPoolId, MaxResults: 60}).promise()'
- ' .then((result) => {'
- ' let providerList = result.Providers.map(provider => provider.ProviderName);'
- ' let providerListInParameters = hostedUIProviderMeta.map(provider => provider.ProviderName);'
- ' hostedUIProviderMeta.forEach((providerMetadata) => {'
- ' if(providerList.indexOf(providerMetadata.ProviderName) > -1) {'
- ' providerPromises.push(updateIdentityProvider(providerMetadata.ProviderName));'
- ' } else {'
- ' providerPromises.push(createIdentityProvider(providerMetadata.ProviderName));'
- ' }'
- ' });'
- ' providerList.forEach((provider) => {'
- ' if(providerListInParameters.indexOf(provider) < 0) {'
- ' providerPromises.push(deleteIdentityProvider(provider));'
- ' }'
- ' });'
- ' return Promise.all(providerPromises);'
- ' }).then(() => {response.send(event, context, response.SUCCESS, {})}).catch((err) => {'
- ' console.log(err.stack); response.send(event, context, response.FAILED, {err})'
- ' });'
- ' } '
- ' } catch(err) { console.log(err.stack); response.send(event, context, response.FAILED, {err});};'
- '} '
Handler: index.handler
Runtime: nodejs10.x
Timeout: '300'
Role: !GetAtt
- UserPoolClientRole
- Arn
DependsOn: UserPoolClientRole
HostedUIProvidersCustomResourcePolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'hostedUIProvider']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'cognito-idp:CreateIdentityProvider'
- 'cognito-idp:UpdateIdentityProvider'
- 'cognito-idp:ListIdentityProviders'
- 'cognito-idp:DeleteIdentityProvider'
Resource: !GetAtt UserPool.Arn
DependsOn: HostedUIProvidersCustomResource
HostedUIProvidersCustomResourceLogPolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'hostedUIProviderLogPolicy']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'logs:CreateLogGroup'
- 'logs:CreateLogStream'
- 'logs:PutLogEvents'
Resource: !Sub
- arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*
- { region: !Ref "AWS::Region", account: !Ref "AWS::AccountId", lambda: !Ref HostedUIProvidersCustomResource}
DependsOn: HostedUIProvidersCustomResourcePolicy
HostedUIProvidersCustomResourceInputs:
Type: 'Custom::LambdaCallout'
Properties:
ServiceToken: !GetAtt HostedUIProvidersCustomResource.Arn
userPoolId: !Ref UserPool
hostedUIProviderMeta: !Ref hostedUIProviderMeta
hostedUIProviderCreds: !Ref hostedUIProviderCreds
DependsOn: HostedUIProvidersCustomResourceLogPolicy
<% } %>
<%if (props.oAuthMetadata) { %>
OAuthCustomResource:
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const identity = new aws.CognitoIdentityServiceProvider();'
- 'exports.handler = (event, context, callback) => {'
- 'try{'
- ' const userPoolId = event.ResourceProperties.userPoolId;'
- ' let webClientId = event.ResourceProperties.webClientId;'
- ' let nativeClientId = event.ResourceProperties.nativeClientId;'
- ' let hostedUIProviderMeta = JSON.parse(event.ResourceProperties.hostedUIProviderMeta);'
- ' let oAuthMetadata = JSON.parse(event.ResourceProperties.oAuthMetadata);'
- ' let providerList = hostedUIProviderMeta.map(provider => provider.ProviderName);'
- ' providerList.push(''COGNITO'');'
- ' if (event.RequestType == ''Delete'') {'
- ' response.send(event, context, response.SUCCESS, {});'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' let params = {'
- ' UserPoolId: userPoolId,'
- ' AllowedOAuthFlows: oAuthMetadata.AllowedOAuthFlows,'
- ' AllowedOAuthFlowsUserPoolClient: true,'
- ' AllowedOAuthScopes: oAuthMetadata.AllowedOAuthScopes,'
- ' CallbackURLs: oAuthMetadata.CallbackURLs,'
- ' LogoutURLs: oAuthMetadata.LogoutURLs,'
- ' SupportedIdentityProviders: providerList'
- ' };'
- ' let updateUserPoolClientPromises = [];'
- ' params.ClientId = webClientId;'
- ' updateUserPoolClientPromises.push(identity.updateUserPoolClient(params).promise());'
- ' params.ClientId = nativeClientId;'
- ' updateUserPoolClientPromises.push(identity.updateUserPoolClient(params).promise());'
- ' Promise.all(updateUserPoolClientPromises)'
- ' .then(() => {response.send(event, context, response.SUCCESS, {})}).catch((err) => {'
- ' console.log(err.stack); response.send(event, context, response.FAILED, {err});'
- ' });'
- ' }'
- '} catch(err) { console.log(err.stack); response.send(event, context, response.FAILED, {err});};'
- '}'
Handler: index.handler
Runtime: nodejs10.x
Timeout: '300'
Role: !GetAtt
- UserPoolClientRole
- Arn
DependsOn: HostedUIProvidersCustomResourceInputs
OAuthCustomResourcePolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'OAuth']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'cognito-idp:UpdateUserPoolClient'
Resource: !GetAtt UserPool.Arn
DependsOn: OAuthCustomResource
OAuthCustomResourceLogPolicy:
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: !Join ['-',[!Ref UserPool, 'OAuthLogPolicy']]
Roles:
- !Ref UserPoolClientRole
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'logs:CreateLogGroup'
- 'logs:CreateLogStream'
- 'logs:PutLogEvents'
Resource: !Sub
- arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*
- { region: !Ref "AWS::Region", account: !Ref "AWS::AccountId", lambda: !Ref OAuthCustomResource}
DependsOn: OAuthCustomResourcePolicy
OAuthCustomResourceInputs:
Type: 'Custom::LambdaCallout'
Properties:
ServiceToken: !GetAtt OAuthCustomResource.Arn
userPoolId: !Ref UserPool
hostedUIProviderMeta: !Ref hostedUIProviderMeta
oAuthMetadata: !Ref oAuthMetadata
webClientId: !Ref 'UserPoolClientWeb'
nativeClientId: !Ref 'UserPoolClient'
DependsOn: OAuthCustomResourceLogPolicy
<% } %>
<%if (props.mfaConfiguration != 'OFF') { %>
# BEGIN MFA LAMBDA RESOURCES
MFALambdaRole:
# Created to execute Lambda which sets MFA config values
Type: 'AWS::IAM::Role'
Properties:
RoleName: !If [ShouldNotCreateEnvResources, '<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', !Join ['',['<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', '-', !Ref env]]]
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- 'sts:AssumeRole'
Policies:
- PolicyName: <%=`${props.resourceNameTruncated}_totp_pass_role_policy`%>
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'iam:PassRole'
Resource: !If [ShouldNotCreateEnvResources, '<%= `arn:aws:iam:::role/${props.resourceNameTruncated}_totp_lambda_role`%>', !Join ['',['<%= `arn:aws:iam:::role/${props.resourceNameTruncated}_totp_lambda_role` %>', '-', !Ref env]]]
MFALambda:
# Lambda which sets MFA config values
# Depends on MFALambdaRole for role ARN
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const identity = new aws.CognitoIdentityServiceProvider();'
- 'exports.handler = (event, context, callback) => {'
- ' if (event.RequestType == ''Delete'') { '
- ' response.send(event, context, response.SUCCESS, {})'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' let totpParams = {};'
- ' try {'
- ' totpParams = {'
- ' UserPoolId: event.ResourceProperties.userPoolId,'
- ' MfaConfiguration: event.ResourceProperties.mfaConfiguration,'
- ' SmsMfaConfiguration: {'
- ' SmsAuthenticationMessage: event.ResourceProperties.smsAuthenticationMessage,'
- ' SmsConfiguration: {'
- ' SnsCallerArn: event.ResourceProperties.smsConfigCaller,'
- ' ExternalId: event.ResourceProperties.smsConfigExternalId'
- ' }'
- ' },'
- ' SoftwareTokenMfaConfiguration: {Enabled: event.ResourceProperties.totpEnabled.toLowerCase() === ''true'' ? true : false}'
- ' };'
- ' } catch(e) {'
- ' response.send(event, context, response.FAILED, {e});'
- ' };'
- ' identity.setUserPoolMfaConfig(totpParams).promise()'
- ' .then((res) => {'
- ' response.send(event, context, response.SUCCESS, {res});'
- ' })'
- ' .catch((err) => {'
- ' response.send(event, context, response.FAILED, {err});'
- ' });'
- ' }'
- '};'
Handler: index.handler
Runtime: nodejs10.x
Timeout: '300'
Role: !GetAtt
- MFALambdaRole
- Arn
DependsOn: MFALambdaRole
MFALambdaPolicy:
# Sets policy for the role that executes the MFA Lambda
# Depends on Userpool for Arn
# Marked as depending on MFALambda for easier to understand CFN sequencing
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: <%=`${props.resourceNameTruncated}_totp_lambda_iam_policy`%>
Roles:
- !If [ShouldNotCreateEnvResources, '<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', !Join ['',['<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', '-', !Ref env]]]
PolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Action:
- 'cognito-idp:SetUserPoolMfaConfig'
Resource: !GetAtt UserPool.Arn
DependsOn: MFALambda
MFALogPolicy:
# Sets log policy for the role that executes the MFA Lambda
# Marked as depending on MFALambdaPolicy for easier to understand CFN sequencing
Type: 'AWS::IAM::Policy'
Properties:
PolicyName: <%=`${props.resourceNameTruncated}_totp_lambda_log_policy`%>
Roles:
- !If [ShouldNotCreateEnvResources, '<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', !Join ['',['<%=`${props.resourceNameTruncated}_totp_lambda_role`%>', '-', !Ref env]]]
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'logs:CreateLogGroup'
- 'logs:CreateLogStream'
- 'logs:PutLogEvents'
Resource: !Sub
- arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*
- { region: !Ref "AWS::Region", account: !Ref "AWS::AccountId", lambda: !Ref MFALambda}
DependsOn: MFALambdaPolicy
MFALambdaInputs:
# Values passed to MFA Lambda
# Depends on UserPool for Arn
# Depends on MFALambda for Arn
# Marked as depending on MFALambdaPolicy for easier to understand CFN sequencing
Type: 'Custom::LambdaCallout'
Properties:
ServiceToken: !GetAtt MFALambda.Arn
userPoolId: !Ref UserPool
mfaConfiguration: !Ref mfaConfiguration
totpEnabled: <%= props.mfaTypes.includes('TOTP') %>
smsConfigCaller: !GetAtt SNSRole.Arn
smsAuthenticationMessage: !Ref smsAuthenticationMessage
smsConfigExternalId: <%=`${props.resourceNameTruncated}_role_external_id`%>
DependsOn: MFALogPolicy
<% } %>
<% } -%>
<%if (props.authSelections === 'identityPoolAndUserPool' || props.authSelections === 'identityPoolOnly') { %>
# BEGIN IDENTITY POOL RESOURCES
<%if (props.audiences && props.audiences.length > 0) { %>
OpenIdLambdaRole:
# Created to execute Lambda which sets MFA config values
# Depends on UserPoolClientInputs to prevent further identity pool resources from being created before userpool is ready
Type: 'AWS::IAM::Role'
Properties:
RoleName: !If [ShouldNotCreateEnvResources, '<%=`${props.resourceNameTruncated}_openid_lambda_role`%>', !Join ['',['<%=`${props.resourceNameTruncated}_openid_lambda_role`%>', '-', !Ref env]]]
AssumeRolePolicyDocument:
Version: '2012-10-17'
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- 'sts:AssumeRole'
Policies:
- PolicyName: <%=`${props.resourceNameTruncated}_openid_pass_role_policy`%>
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 'iam:PassRole'
Resource: !If [ShouldNotCreateEnvResources, '<%= `arn:aws:iam:::role/${props.resourceNameTruncated}_openid_lambda_role` %>', !Join ['',['<%= `arn:aws:iam:::role/${props.resourceNameTruncated}_openid_lambda_role` %>', '-', !Ref env]]]
DependsOn: UserPoolClientInputs
OpenIdLambda:
# Lambda which sets OpenId Values
Type: 'AWS::Lambda::Function'
Properties:
Code:
ZipFile: !Join
- |+
- - 'const response = require(''cfn-response'');'
- 'const aws = require(''aws-sdk'');'
- 'const iam = new aws.IAM();'
- 'exports.handler = (event, context) => {'
- ' if (event.RequestType == ''Delete'') { '
- ' response.send(event, context, response.SUCCESS, {});'
- ' }'
- ' if (event.RequestType == ''Update'' || event.RequestType == ''Create'') {'
- ' const params = {'
- ' ClientIDList: event.ResourceProperties.clientIdList.split('',''),'
- ' ThumbprintList: ["0000000000000000000000000000000000000000"],'
- ' Url: event.ResourceProperties.url'
- ' };'
- ' let exists = false;'
- ' let existingValue;'
- ' iam.listOpenIDConnectProviders({}).promise().then((data) => {'
- ' if (data.OpenIDConnectProviderList && data.OpenIDConnectProviderList.length > 0) {'
- ' const vals = data.OpenIDConnectProviderList.map(x => x.Arn);'
- ' existingValue = vals.find(i => i.split(''/'')[1] === params.Url.split(''//'')[1]);'
- ' if (!existingValue) {'
- ' exists = true;'
- ' }'
- ' }'
- ' if (!existingValue) {'
- ' iam.createOpenIDConnectProvider(params).promise().then((data) => {'
- ' response.send(event, context, response.SUCCESS, {providerArn: data.OpenIDConnectProviderArn, providerIds: params.ClientIDList});'
- ' })'
- ' .catch((err) => {'
- ' response.send(event, context, response.FAILED, {err});'
- ' });'
- ' } else {'
- ' const findParams = {'
- ' OpenIDConnectProviderArn: existingValue'
- ' };'
- ' iam.getOpenIDConnectProvider(findParams).promise().then((data) => {'
- ' const audiences = data.ClientIDList;'
- ' const updateCalls = [];'
- ' params.ClientIDList.forEach((a) => {'
- ' if (!audiences.includes(a)) {'
- ' const updateParams = {'
- ' ClientID: a,'
- ' OpenIDConnectProviderArn: existingValue'
- ' };'
- ' const prom = iam.addClientIDToOpenIDConnectProvider(updateParams).promise();'
- ' updateCalls.push(prom);'
- ' }'
- ' });'