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template.yaml
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# Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0
AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
Protect downloads of your content hosted on CloudFront with Cognito authentication using Lambda@Edge
Metadata:
AWS::ServerlessRepo::Application:
Name: cloudfront-authorization-at-edge
Description: >
Protect downloads of your content hosted on CloudFront with Cognito authentication using Lambda@Edge.
Includes: S3 Bucket w. sample SPA, Cognito User Pool with hosted UI set up, Lambda@Edge functions to validate JWTs and handle OAuth2 redirects.
Author: AWS Samples
SpdxLicenseId: MIT-0
LicenseUrl: LICENSE
ReadmeUrl: SERVERLESS-REPO.md
Labels:
[
"cognito",
"lambda@edge",
"cloudfront",
"s3",
"react",
"angular",
"vue",
"amplify",
]
HomePageUrl: https://github.com/aws-samples/cloudfront-authorization-at-edge
SemanticVersion: 2.1.7
SourceCodeUrl: https://github.com/aws-samples/cloudfront-authorization-at-edge
Parameters:
EmailAddress:
Type: String
Description: The email address of the user that will be created in the Cognito User Pool. Leave empty to skip user creation.
Default: ""
RedirectPathSignIn:
Type: String
Description: The URL path that should handle the redirect from Cognito after sign-in
Default: /parseauth
RedirectPathSignOut:
Type: String
Description: The URL path that should handle the redirect from Cognito after sign-out
Default: /
RedirectPathAuthRefresh:
Type: String
Description: The URL path that should handle the JWT refresh request
Default: /refreshauth
SignOutUrl:
Type: String
Description: The URL path that you can visit to sign-out
Default: /signout
AlternateDomainNames:
Type: CommaDelimitedList
Description: >
If you intend to use one or more custom domain names for the CloudFront distribution, please set that up yourself on the CloudFront distribution after deployment.
If you provide those domain names now (comma-separated) the necessary Cognito configuration will already be done for you (unless you're bring your own User Pool from a different AWS account).
Alternatively, update the Cognito configuration yourself after deployment: add sign in and sign out URLs for your custom domains to the user pool app client settings.
Default: ""
CookieSettings:
Type: String
Description: >
The settings for the cookies holding e.g. the JWTs. To be provided as a JSON object, mapping cookie type to setting.
Provide the setting for the particular cookie type as a string, e.g. "Path=/; Secure; HttpOnly; Max-Age=1800; SameSite=Lax".
If left to null, a default setting will be used that should be suitable given the value of "EnableSPAMode" parameter.
Default: >-
{
"idToken": null,
"accessToken": null,
"refreshToken": null,
"nonce": null
}
OAuthScopes:
Type: CommaDelimitedList
Description: The OAuth scopes to request the User Pool to add to the access token JWT
Default: "phone, email, profile, openid, aws.cognito.signin.user.admin"
HttpHeaders:
Type: String
Description: The HTTP headers to set on all responses from CloudFront. To be provided as a JSON object
Default: >-
{
"Content-Security-Policy": "default-src 'none'; img-src 'self'; script-src 'self' https://code.jquery.com https://stackpath.bootstrapcdn.com; style-src 'self' 'unsafe-inline' https://stackpath.bootstrapcdn.com; object-src 'none'; connect-src 'self' https://*.amazonaws.com https://*.amazoncognito.com",
"Strict-Transport-Security": "max-age=31536000; includeSubdomains; preload",
"Referrer-Policy": "same-origin",
"X-XSS-Protection": "1; mode=block",
"X-Frame-Options": "DENY",
"X-Content-Type-Options": "nosniff"
}
EnableSPAMode:
Type: String
Description: Set to 'false' to disable SPA-specific features (i.e. when deploying a static site that won't interact with logout/refresh)
Default: "true"
AllowedValues:
- "true"
- "false"
CreateCloudFrontDistribution:
Type: String
Description: >
Set to 'false' to skip the creation of a CloudFront distribution and associated resources, such as the private S3 bucket and the sample React app.
This may be of use to you, if you just want to create the Lambda@Edge functions to use with your own CloudFront distribution.
Default: "true"
AllowedValues:
- "true"
- "false"
CookieCompatibility:
Type: String
Description: >
Specify whether naming of cookies should be compatible with AWS Amplify (default) or Amazon Elasticsearch Service. In case of the latter, turn off SPA mode too: set parameter EnableSPAMode to false
Default: "amplify"
AllowedValues:
- "amplify"
- "elasticsearch"
AdditionalCookies:
Type: String
Description: 'Specify one or more additional cookies to set after successfull sign-in. Specify as a JSON object––mapping cookie names to values and settings: {"cookieName1": "cookieValue1; HttpOnly; Secure"}'
Default: >-
{}
UserPoolArn:
Type: String
Description: "Specify the ARN of an existing user pool to use that one instead of creating a new one. If specified, then UserPoolClientId must also be specified. Also, the User Pool should have a domain configured"
Default: ""
UserPoolAuthDomain:
Type: String
Description: >
The auth domain of the existing User Pool, whose ARN you specified as UserPoolArn, e.g. "my-domain.auth.<region>.amazoncognito.com".
If you don't provide this value, it will be looked up for you automatically. This automatic lookup only works if the pre-existing User Pool is in the same AWS account as this stack,
so if it's not, make sure to explictly specify the UserPoolAuthDomain.
Default: ""
UserPoolClientId:
Type: String
Description: >
Specify the ID of an existing user pool client to use that one instead of creating a new one. If specified, then UserPoolArn must also be specified.
Note: new callback URL's will be added to the pre-existing user pool client (but only if it's in the same AWS account as this stack)
Default: ""
UserPoolClientSecret:
Type: String
Description: >
The client secret of the existing User Pool Client, whose ClientId you specified as UserPoolClientId.
If you don't provide this value, it will be looked up for you automatically. This automatic lookup only works if the pre-existing User Pool Client is in the same AWS account as this stack,
so if it's not, make sure to explictly specify the UserPoolClientSecret.
Default: ""
UserPoolGroupName:
Type: String
Description: >
Specify a group that users have to be part of to view the private site. Use this to further protect your private site, in case you don't want every user in the User Pool to have access.
The UserPoolGroup will be created if the UserPool is also created (that happens when no UserPoolArn is set).
If the UserPoolGroup is created and the default user is also created (when you specify EmailAddress), that user will also be added to the group.
Default: ""
Version:
Type: String
Description: "Changing this parameter after initial deployment forces redeployment of Lambda@Edge functions"
Default: "2.1.7"
LogLevel:
Type: String
Description: "Use for development: setting to a value other than none turns on logging at that level. Warning! This will log sensitive data, use for development only"
Default: "none"
AllowedValues:
- "none"
- "info"
- "warn"
- "error"
- "debug"
PermissionsBoundaryPolicyArn:
Description: ARN of a boundary policy if your organisation uses some for roles, optional.
Type: String
Default: ""
RewritePathWithTrailingSlashToIndex:
Description: Do you want to append "index.html" to paths that end with a slash ("/")?
Type: String
Default: "false"
AllowedValues:
- "true"
- "false"
WebACLId:
Description: AWS WAF Web ACL Id, if any, to associate with this distribution
Type: String
Default: ""
DefaultRootObject:
Description: The object that you want CloudFront to request from your origin (for example, index.html) when a viewer requests the root URL for your distribution (http://www.example.com).
Type: String
Default: index.html
S3OriginDomainName:
Description: >
The S3 origin you want to front with CloudFront. Specify the bucket's region specific hostname, i.e. <bucket-name>.s3.<region>.amazonaws.com,
and (optionally) also specify the parameter OriginAccessIdentity.
If you don't provide an origin, and "CreateCloudFrontDistribution" is set to "true" (the default), then an S3 bucket will be created for you.
Type: String
Default: ""
CustomOriginDomainName:
Description: >
The custom origin you want to front with CloudFront. If using an existing S3 bucket (in non-website mode), don't use this parameter, specify parameter "S3OriginDomainName" instead.
If you don't provide an origin, and "CreateCloudFrontDistribution" is set to "true" (the default), then an S3 bucket will be created for you.
Type: String
Default: ""
CustomOriginHeaderName:
Description: >
The HTTP header name of the (secret) custom header that you want CloudFront to send to your custom origin. Also specify parameter "CustomOriginHeaderValue".
Only of use if you are also specifying parameter "CustomOriginDomainName".
Type: String
Default: ""
CustomOriginHeaderValue:
Description: >
The HTTP header value of the (secret) custom header that you want CloudFront to send to your custom origin. Also specify parameter "CustomOriginHeaderName".
Only of use if you are also specifying parameter "CustomOriginDomainName".
Type: String
Default: ""
OriginAccessIdentity:
Description: The Origin Access Identity you want to associate with your S3 origin, e.g. 'ABCDEFGHIJKLMN'.
Type: String
Default: ""
CloudFrontAccessLogsBucket:
Description: The (pre-existing) Amazon S3 bucket to store CloudFront access logs in, for example, myawslogbucket.s3.amazonaws.com. Only of use if "CreateCloudFrontDistribution" is set to "true" (the default).
Type: String
Default: ""
Conditions:
ApplyPermissionsBoundary:
!Not [!Equals [!Ref PermissionsBoundaryPolicyArn, ""]]
CreateUser: !And
- !Not [!Equals [!Ref EmailAddress, ""]]
- !Equals [!Ref UserPoolArn, ""]
- !Equals [!Ref UserPoolClientId, ""]
CreateCloudFrontDistribution:
!Equals [!Ref CreateCloudFrontDistribution, "true"]
SPAMode: !Equals [!Ref EnableSPAMode, "true"]
StaticSiteMode: !Equals [!Ref EnableSPAMode, "false"]
CreateSampleStaticSite: !And
- !Equals [!Ref EnableSPAMode, "false"]
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Equals [!Ref CustomOriginDomainName, ""]
- !Equals [!Ref S3OriginDomainName, ""]
CreateSampleReactApp: !And
- !Equals [!Ref EnableSPAMode, "true"]
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Equals [!Ref CustomOriginDomainName, ""]
- !Equals [!Ref S3OriginDomainName, ""]
CreateUserPoolAndClient: !Equals [!Ref UserPoolArn, ""]
CreateUserPoolGroup: !And
- !Condition CreateUserPoolAndClient
- !Not [!Equals [!Ref UserPoolGroupName, ""]]
AttachUserToPoolGroup: !And
- !Condition CreateUser
- !Condition CreateUserPoolGroup
NoExistingUserPoolProvidedOrExistingUserPoolIsInThisAccount: !Or
- !Equals [!Ref UserPoolArn, ""]
- !Equals
- !Ref AWS::AccountId
- !Select [4, !Split [":", !Sub "${UserPoolArn}::::otheraccount"]] # Appending :::::otheraccount is a trick to make the select work even if UserPoolArn is empty
UpdateUserPoolClient: !And
- !Or
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Not [!Equals [!Join ["", !Ref AlternateDomainNames], ""]]
- !Condition NoExistingUserPoolProvidedOrExistingUserPoolIsInThisAccount
RegionIsNotUsEast1: !Not [!Equals [!Ref AWS::Region, "us-east-1"]]
RewritePathWithTrailingSlashToIndex:
!Equals [!Ref RewritePathWithTrailingSlashToIndex, "true"]
CreateS3Bucket: !And
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Equals [!Ref CustomOriginDomainName, ""]
- !Equals [!Ref S3OriginDomainName, ""]
CreateOriginAccessIdentity: !And
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Equals [!Ref CustomOriginDomainName, ""]
- !Equals [!Ref S3OriginDomainName, ""]
- !Equals [!Ref OriginAccessIdentity, ""]
OriginAccessIdentityProvided: !Not [!Equals [!Ref OriginAccessIdentity, ""]]
UseS3Origin: !And
- !Equals [!Ref CreateCloudFrontDistribution, "true"]
- !Equals [!Ref CustomOriginDomainName, ""]
UseWAF: !Not [!Equals [!Ref WebACLId, ""]]
DefaultRootObjectProvided: !Not [!Equals [!Ref DefaultRootObject, ""]]
CloudFrontAccessLogsBucketProvided:
!Not [!Equals [!Ref CloudFrontAccessLogsBucket, ""]]
CustomOriginHeaderProvided: !And
- !Not [!Equals [!Ref CustomOriginHeaderName, ""]]
- !Not [!Equals [!Ref CustomOriginHeaderValue, ""]]
LookupAuthDomain: !And
- !Condition NoExistingUserPoolProvidedOrExistingUserPoolIsInThisAccount
- !Equals [!Ref UserPoolAuthDomain, ""]
LookupClientSecret: !And
- !Condition StaticSiteMode
- !Condition NoExistingUserPoolProvidedOrExistingUserPoolIsInThisAccount
- !Equals [!Ref UserPoolClientSecret, ""]
Globals:
Function:
Timeout: 60
PermissionsBoundary: !If
- ApplyPermissionsBoundary
- !Ref PermissionsBoundaryPolicyArn
- !Ref AWS::NoValue
Runtime: nodejs16.x
Resources:
S3Bucket:
Type: AWS::S3::Bucket
Condition: CreateS3Bucket
Properties:
AccessControl: Private
BucketEncryption:
ServerSideEncryptionConfiguration:
- ServerSideEncryptionByDefault:
SSEAlgorithm: AES256
CheckAuthHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/lambda-edge/check-auth/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
ParseAuthHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/lambda-edge/parse-auth/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
RefreshAuthHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/lambda-edge/refresh-auth/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
HttpHeadersHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/lambda-edge/http-headers/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
SignOutHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/lambda-edge/sign-out/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
TrailingSlashHandler:
Type: AWS::Serverless::Function
Condition: RewritePathWithTrailingSlashToIndex
Properties:
CodeUri: src/lambda-edge/rewrite-trailing-slash/
Handler: bundle.handler
Role: !GetAtt LambdaEdgeExecutionRole.Arn
Timeout: 5
LambdaEdgeExecutionRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service:
- edgelambda.amazonaws.com
- lambda.amazonaws.com
Action:
- sts:AssumeRole
ManagedPolicyArns:
- !Sub "arn:${AWS::Partition}:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
PermissionsBoundary: !If
- ApplyPermissionsBoundary
- !Ref PermissionsBoundaryPolicyArn
- !Ref AWS::NoValue
UsEast1Deployment:
Type: Custom::UsEast1LambdaEdgeDeployment
Condition: RegionIsNotUsEast1
Properties:
ServiceToken: !GetAtt UsEast1DeploymentHandler.Arn
LambdaRoleArn: !GetAtt LambdaEdgeExecutionRole.Arn
CheckAuthHandlerArn: !GetAtt CheckAuthHandler.Arn
ParseAuthHandlerArn: !GetAtt ParseAuthHandler.Arn
RefreshAuthHandlerArn: !GetAtt RefreshAuthHandler.Arn
HttpHeadersHandlerArn: !GetAtt HttpHeadersHandler.Arn
SignOutHandlerArn: !GetAtt SignOutHandler.Arn
TrailingSlashHandlerArn: !If
- RewritePathWithTrailingSlashToIndex
- !GetAtt TrailingSlashHandler.Arn
- !Ref AWS::NoValue
Version: !Ref Version
UsEast1DeploymentHandler:
Type: AWS::Serverless::Function
Condition: RegionIsNotUsEast1
Properties:
CodeUri: src/cfn-custom-resources/us-east-1-lambda-stack
Handler: index.handler
Timeout: 900
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- cloudformation:CreateChangeSet
- cloudformation:CreateStack
- cloudformation:DeleteChangeSet
- cloudformation:DeleteStack
- cloudformation:DescribeChangeSet
- cloudformation:DescribeStacks
- cloudformation:ExecuteChangeSet
- cloudformation:UpdateStack
Resource:
- !Sub "arn:${AWS::Partition}:cloudformation:us-east-1:${AWS::AccountId}:stack/${AWS::StackName}/*"
- !Sub "arn:${AWS::Partition}:cloudformation:us-east-1:${AWS::AccountId}:changeset/${AWS::StackName}/*"
- Effect: Allow
Action:
- cloudformation:DescribeStacks
- cloudformation:GetTemplate
Resource: !Ref AWS::StackId
- Effect: Allow
Action:
- s3:GetObject
- s3:PutObject
- s3:CreateBucket
- s3:DeleteBucket
- s3:DeleteObject
- s3:ListBucket
Resource: !Sub "arn:${AWS::Partition}:s3:::*-authedgedeploymentbucket-*"
- Effect: Allow
Action: lambda:GetFunction
Resource:
- !GetAtt ParseAuthHandler.Arn
- !GetAtt CheckAuthHandler.Arn
- !GetAtt HttpHeadersHandler.Arn
- !GetAtt RefreshAuthHandler.Arn
- !GetAtt SignOutHandler.Arn
- !If
- RewritePathWithTrailingSlashToIndex
- !GetAtt TrailingSlashHandler.Arn
- !Ref AWS::NoValue
- Effect: Allow
Action:
- lambda:GetFunction
- lambda:CreateFunction
- lambda:DeleteFunction
- lambda:UpdateFunctionCode
- lambda:UpdateFunctionConfiguration
- lambda:TagResource
- lambda:ListTags
Resource:
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-CheckAuthHandler-*"
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-ParseAuthHandler-*"
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-RefreshAuthHandler-*"
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-SignOutHandler-*"
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-HttpHeadersHandler-*"
- !Sub "arn:${AWS::Partition}:lambda:us-east-1:${AWS::AccountId}:function:*-TrailingSlashHandler-*"
- Effect: Allow
Action: iam:PassRole
Resource: !GetAtt LambdaEdgeExecutionRole.Arn
CloudFrontDistribution:
Type: AWS::CloudFront::Distribution
Condition: CreateCloudFrontDistribution
Properties:
DistributionConfig:
CacheBehaviors:
- PathPattern: !Ref RedirectPathSignIn
Compress: true
ForwardedValues:
QueryString: true
LambdaFunctionAssociations:
- EventType: viewer-request
LambdaFunctionARN: !GetAtt ParseAuthHandlerCodeUpdate.FunctionArn
TargetOriginId: dummy-origin
ViewerProtocolPolicy: redirect-to-https
- PathPattern: !Ref RedirectPathAuthRefresh
Compress: true
ForwardedValues:
QueryString: true
LambdaFunctionAssociations:
- EventType: viewer-request
LambdaFunctionARN: !GetAtt RefreshAuthHandlerCodeUpdate.FunctionArn
TargetOriginId: dummy-origin
ViewerProtocolPolicy: redirect-to-https
- PathPattern: !Ref SignOutUrl
Compress: true
ForwardedValues:
QueryString: true
LambdaFunctionAssociations:
- EventType: viewer-request
LambdaFunctionARN: !GetAtt SignOutHandlerCodeUpdate.FunctionArn
TargetOriginId: dummy-origin
ViewerProtocolPolicy: redirect-to-https
DefaultCacheBehavior:
Compress: true
ForwardedValues:
QueryString: true
LambdaFunctionAssociations:
- EventType: viewer-request
LambdaFunctionARN: !GetAtt CheckAuthHandlerCodeUpdate.FunctionArn
- EventType: origin-response
LambdaFunctionARN: !GetAtt HttpHeadersHandlerCodeUpdate.FunctionArn
- !If
- RewritePathWithTrailingSlashToIndex
- EventType: origin-request
LambdaFunctionARN: !GetAtt TrailingSlashHandlerCodeUpdate.FunctionArn
- !Ref AWS::NoValue
TargetOriginId: protected-origin
ViewerProtocolPolicy: redirect-to-https
Enabled: true
DefaultRootObject: !If
- DefaultRootObjectProvided
- !Ref DefaultRootObject
- !Ref AWS::NoValue
WebACLId: !If
- UseWAF
- !Ref WebACLId
- !Ref AWS::NoValue
Logging: !If
- CloudFrontAccessLogsBucketProvided
- Bucket: !Ref CloudFrontAccessLogsBucket
- !Ref AWS::NoValue
Origins:
- DomainName: !If
- UseS3Origin
- !If
- CreateS3Bucket
- !GetAtt S3Bucket.RegionalDomainName
- !Ref S3OriginDomainName
- !Ref CustomOriginDomainName
Id: protected-origin
CustomOriginConfig: !If
- UseS3Origin
- !Ref AWS::NoValue
- OriginProtocolPolicy: https-only
OriginCustomHeaders: !If
- UseS3Origin
- !Ref AWS::NoValue
- !If
- CustomOriginHeaderProvided
- - HeaderName: !Ref CustomOriginHeaderName
HeaderValue: !Ref CustomOriginHeaderValue
- !Ref AWS::NoValue
S3OriginConfig: !If
- UseS3Origin
- OriginAccessIdentity: !If
- CreateOriginAccessIdentity
- !Sub "origin-access-identity/cloudfront/${CloudFrontOriginAccessIdentity}"
- !If
- OriginAccessIdentityProvided
- !Sub "origin-access-identity/cloudfront/${OriginAccessIdentity}"
- !Ref AWS::NoValue
- !Ref AWS::NoValue
- DomainName: will-never-be-reached.org
Id: dummy-origin
CustomOriginConfig:
OriginProtocolPolicy: match-viewer
CustomErrorResponses:
- !If
- SPAMode # In SPA mode, 404's from S3 should return index.html, to enable SPA routing
- ErrorCode: 404
ResponseCode: 200
ResponsePagePath: /index.html
- !Ref AWS::NoValue
CloudFrontOriginAccessIdentity:
Type: AWS::CloudFront::CloudFrontOriginAccessIdentity
Condition: CreateOriginAccessIdentity
Properties:
CloudFrontOriginAccessIdentityConfig:
Comment: "CloudFront OAI"
CloudfrontBucketPolicy:
Type: AWS::S3::BucketPolicy
Condition: CreateS3Bucket
Properties:
Bucket: !Ref S3Bucket
PolicyDocument:
Version: "2012-10-17"
Statement:
- Action:
- "s3:GetObject"
Effect: "Allow"
Resource: !Join ["/", [!GetAtt S3Bucket.Arn, "*"]]
Principal:
CanonicalUser: !If
- CreateOriginAccessIdentity
- !GetAtt CloudFrontOriginAccessIdentity.S3CanonicalUserId
- !Ref OriginAccessIdentity
- Action:
- "s3:ListBucket"
Effect: "Allow"
Resource: !GetAtt S3Bucket.Arn
Principal:
CanonicalUser: !If
- CreateOriginAccessIdentity
- !GetAtt CloudFrontOriginAccessIdentity.S3CanonicalUserId
- !Ref OriginAccessIdentity
UserPool:
Type: AWS::Cognito::UserPool
Condition: CreateUserPoolAndClient
Properties:
AdminCreateUserConfig:
AllowAdminCreateUserOnly: true
UserPoolName: !Ref AWS::StackName
UsernameAttributes:
- email
UserPoolGroup:
Type: AWS::Cognito::UserPoolGroup
Condition: CreateUserPoolGroup
Properties:
GroupName: !Ref UserPoolGroupName
UserPoolId: !Ref UserPool
User:
Type: AWS::Cognito::UserPoolUser
Condition: CreateUser
Properties:
Username: !Ref EmailAddress
UserPoolId: !Ref UserPool
UserPoolGroupAttachment:
Type: AWS::Cognito::UserPoolUserToGroupAttachment
Condition: AttachUserToPoolGroup
Properties:
GroupName: !Ref UserPoolGroupName
Username: !Ref EmailAddress
UserPoolId: !Ref UserPool
UserPoolClient:
Type: AWS::Cognito::UserPoolClient
Condition: CreateUserPoolAndClient
Properties:
UserPoolId: !Ref UserPool
PreventUserExistenceErrors: ENABLED
GenerateSecret: !If
- StaticSiteMode
- true
- false
AllowedOAuthScopes: !Ref OAuthScopes
AllowedOAuthFlowsUserPoolClient: true
AllowedOAuthFlows:
- code
SupportedIdentityProviders:
- COGNITO
CallbackURLs:
- https://example.com/will-be-replaced
LogoutURLs:
- https://example.com/will-be-replaced
UserPoolDomain:
Type: AWS::Cognito::UserPoolDomain
Condition: CreateUserPoolAndClient
Properties:
Domain: !Sub
- "auth-${StackIdSuffix}"
- StackIdSuffix: !Select
- 2
- !Split
- "/"
- !Ref AWS::StackId
UserPoolId: !Ref UserPool
UserPoolDomainLookup:
Type: Custom::UserPoolDomainLookup
Condition: LookupAuthDomain
Properties:
ServiceToken: !GetAtt UserPoolDomainLookupHandler.Arn
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
UserPoolDomainLookupHandler:
Type: AWS::Serverless::Function
Condition: LookupAuthDomain
Properties:
CodeUri: src/cfn-custom-resources/user-pool-domain/
Handler: index.handler
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- cognito-idp:DescribeUserPool
Resource: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
UserPoolClientUpdate:
Type: Custom::UserPoolClientUpdate
Condition: UpdateUserPoolClient
Properties:
ServiceToken: !GetAtt UserPoolClientUpdateHandler.Arn
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
UserPoolClientId: !If
- CreateUserPoolAndClient
- !Ref UserPoolClient
- !Ref UserPoolClientId
CloudFrontDistributionDomainName: !If
- CreateCloudFrontDistribution
- !GetAtt CloudFrontDistribution.DomainName
- ""
RedirectPathSignIn: !Ref RedirectPathSignIn
RedirectPathSignOut: !Ref RedirectPathSignOut
AlternateDomainNames: !Ref AlternateDomainNames
OAuthScopes: !Ref OAuthScopes
UserPoolClientUpdateHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/cfn-custom-resources/user-pool-client/
Handler: index.handler
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- cognito-idp:UpdateUserPoolClient
- cognito-idp:DescribeUserPoolClient
Resource: "*" # * to be able to clean up after myself, if you change the User Pool Client ID
ClientSecretRetrieval:
Type: Custom::ClientSecretRetrieval
Condition: LookupClientSecret
Properties:
ServiceToken: !GetAtt ClientSecretRetrievalHandler.Arn
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
UserPoolClientId: !If
- CreateUserPoolAndClient
- !Ref UserPoolClient
- !Ref UserPoolClientId
ClientSecretRetrievalHandler:
Type: AWS::Serverless::Function
Condition: LookupClientSecret
Properties:
CodeUri: src/cfn-custom-resources/client-secret-retrieval/
Handler: index.handler
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- cognito-idp:DescribeUserPoolClient
Resource: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
CognitoJwksFetchHandler:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/cfn-custom-resources/fetch-jwks/
Handler: index.handler
FetchedJwks:
Type: Custom::FetchedJwks
Properties:
ServiceToken: !GetAtt CognitoJwksFetchHandler.Arn
Version: !Ref Version
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
StaticSite:
Type: Custom::StaticSite
Condition: CreateSampleStaticSite
Properties:
ServiceToken: !GetAtt StaticSiteHandler.Arn
BucketName: !Ref S3Bucket
StaticSiteHandler:
Type: AWS::Serverless::Function
Condition: CreateSampleStaticSite
Properties:
CodeUri: src/cfn-custom-resources/static-site/
Handler: index.handler
Timeout: 180
MemorySize: 2048
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- s3:ListBucket
Resource:
- !GetAtt S3Bucket.Arn
- Effect: Allow
Action:
- s3:DeleteObject
- s3:PutObject
Resource:
- !GetAtt S3Bucket.Arn
- !Join ["/", [!GetAtt S3Bucket.Arn, "*"]]
ReactApp:
Type: Custom::ReactApp
Condition: CreateSampleReactApp
Properties:
ServiceToken: !GetAtt ReactAppHandler.Arn
BucketName: !Ref S3Bucket
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
ClientId: !If
- CreateUserPoolAndClient
- !Ref UserPoolClient
- !Ref UserPoolClientId
CognitoAuthDomain: !If
- LookupAuthDomain
- !Ref UserPoolDomainLookup
- !Ref UserPoolAuthDomain
RedirectPathSignIn: !Ref RedirectPathSignIn
RedirectPathSignOut: !Ref RedirectPathSignOut
OAuthScopes: !Join
- ","
- !Ref OAuthScopes
SignOutUrl: !Ref SignOutUrl
CookieSettings: !Ref CookieSettings
Version: !Ref Version
ReactAppHandler:
Type: AWS::Serverless::Function
Condition: CreateSampleReactApp
Properties:
CodeUri: src/cfn-custom-resources/react-app/
Handler: index.handler
Timeout: 300
MemorySize: 3008
EphemeralStorage:
Size: 2048
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- s3:ListBucket
Resource:
- !GetAtt S3Bucket.Arn
- Effect: Allow
Action:
- s3:DeleteObject
- s3:PutObject
Resource:
- !GetAtt S3Bucket.Arn
- !Join ["/", [!GetAtt S3Bucket.Arn, "*"]]
ParseAuthHandlerCodeUpdate:
Type: Custom::LambdaCodeUpdate
Properties:
ServiceToken: !GetAtt LambdaCodeUpdateHandler.Arn
LambdaFunction: !If
- RegionIsNotUsEast1
- !GetAtt UsEast1Deployment.ParseAuthHandler
- !GetAtt ParseAuthHandler.Arn
Version: !Ref Version
Configuration:
Fn::Sub:
- >
{
"userPoolArn": "${UserPoolArn}",
"jwks": ${FetchedJwks.Jwks},
"clientId": "${ClientId}",
"clientSecret": "${ClientSecret}",
"oauthScopes": ${OAuthScopesJsonArray},
"cognitoAuthDomain": "${UserPoolDomain}",
"redirectPathSignIn": "${RedirectPathSignIn}",
"redirectPathSignOut": "${RedirectPathSignOut}",
"signOutUrl": "${SignOutUrl}",
"redirectPathAuthRefresh": "${RedirectPathAuthRefresh}",
"cookieSettings": ${CookieSettings},
"mode": "${Mode}",
"httpHeaders": ${HttpHeaders},
"logLevel": "${LogLevel}",
"nonceSigningSecret": "${NonceSigningSecret}",
"cookieCompatibility": "${CookieCompatibility}",
"additionalCookies": ${AdditionalCookies},
"requiredGroup": "${UserPoolGroupName}"
}
- Mode: !If
- SPAMode
- "spaMode"
- "staticSiteMode"
UserPoolDomain: !If
- LookupAuthDomain
- !Ref UserPoolDomainLookup
- !Ref UserPoolAuthDomain
ClientSecret: !If
- StaticSiteMode
- !If
- LookupClientSecret
- !GetAtt ClientSecretRetrieval.ClientSecret
- !Ref UserPoolClientSecret
- ""
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
ClientId: !If
- CreateUserPoolAndClient
- !Ref UserPoolClient
- !Ref UserPoolClientId
OAuthScopesJsonArray: !Join
- ""
- - '["'
- !Join
- '", "'
- !Ref OAuthScopes
- '"]'
CheckAuthHandlerCodeUpdate:
Type: Custom::LambdaCodeUpdate
Properties:
ServiceToken: !GetAtt LambdaCodeUpdateHandler.Arn
LambdaFunction: !If
- RegionIsNotUsEast1
- !GetAtt UsEast1Deployment.CheckAuthHandler
- !GetAtt CheckAuthHandler.Arn
Version: !Ref Version
Configuration:
Fn::Sub:
- >
{
"userPoolArn": "${UserPoolArn}",
"jwks": ${FetchedJwks.Jwks},
"clientId": "${ClientId}",
"clientSecret": "${ClientSecret}",
"oauthScopes": ${OAuthScopesJsonArray},
"cognitoAuthDomain": "${UserPoolDomain}",
"redirectPathSignIn": "${RedirectPathSignIn}",
"redirectPathSignOut": "${RedirectPathSignOut}",
"signOutUrl": "${SignOutUrl}",
"redirectPathAuthRefresh": "${RedirectPathAuthRefresh}",
"cookieSettings": ${CookieSettings},
"mode": "${Mode}",
"httpHeaders": ${HttpHeaders},
"logLevel": "${LogLevel}",
"nonceSigningSecret": "${NonceSigningSecret}",
"cookieCompatibility": "${CookieCompatibility}",
"additionalCookies": ${AdditionalCookies},
"requiredGroup": "${UserPoolGroupName}"
}
- Mode: !If
- SPAMode
- "spaMode"
- "staticSiteMode"
UserPoolDomain: !If
- LookupAuthDomain
- !Ref UserPoolDomainLookup
- !Ref UserPoolAuthDomain
ClientSecret: !If
- StaticSiteMode
- !If
- LookupClientSecret
- !GetAtt ClientSecretRetrieval.ClientSecret
- !Ref UserPoolClientSecret
- ""
UserPoolArn: !If
- CreateUserPoolAndClient
- !GetAtt UserPool.Arn
- !Ref UserPoolArn
ClientId: !If
- CreateUserPoolAndClient
- !Ref UserPoolClient
- !Ref UserPoolClientId
OAuthScopesJsonArray: !Join
- ""
- - '["'
- !Join
- '", "'
- !Ref OAuthScopes
- '"]'
HttpHeadersHandlerCodeUpdate:
Type: Custom::LambdaCodeUpdate
Properties:
ServiceToken: !GetAtt LambdaCodeUpdateHandler.Arn
LambdaFunction: !If
- RegionIsNotUsEast1
- !GetAtt UsEast1Deployment.HttpHeadersHandler
- !GetAtt HttpHeadersHandler.Arn
Version: !Ref Version
Configuration:
Fn::Sub: >
{
"httpHeaders": ${HttpHeaders},
"logLevel": "${LogLevel}"
}