Parameters:
  FromEmail:
    Type: String
    Description: (Required) Represents the email sender. Must be a SES verified email. If you attempt to send email using a non-verified address or domain, the operation results in an "Email address not verified" error. Minimum 4 characters.
    MaxLength: 70
    Default: your@email.com
    MinLength: 4
    ConstraintDescription: Required. Must be a SES verified email address.
  CorsOrigin:
    Default: ''
    Type: String
    Description: (Optional) Cross-origin resource sharing (CORS) Origin. You can specify a single origin, all "*" or leave empty and no CORS will be applied.
    MaxLength: 250
AWSTemplateFormatVersion: '2010-09-09'
Outputs:
  ApiUrl:
    Description: The URL of the API Gateway you should invoke to send an email
    Value:
      Fn::Sub: https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/send
Conditions:
  IsCorsDefined:
    Fn::Not:
    - Fn::Equals:
      - Ref: CorsOrigin
      - ''
Transform: AWS::Serverless-2016-10-31
Resources:
  LambdaEmailer:
    Type: AWS::Serverless::Function
    Properties:
      Environment:
        Variables:
          CORS_ORIGIN:
            Ref: CorsOrigin
          FROM_EMAIL:
            Ref: FromEmail
      Handler: index.handler
      Policies:
      - Statement:
        - Action:
          - ses:GetIdentityVerificationAttributes
          - ses:SendEmail
          - ses:VerifyEmailIdentity
          Resource:
            Fn::Sub:
            - arn:${AWS::Partition}:ses:${AWS::Region}:${AWS::AccountId}:identity/${identityName}
            - identityName:
                Ref: FromEmail
          Effect: Allow
      CodeUri:
        Bucket: <%REPO_BUCKET%>
        Key: 18fa6025-1f7a-43b0-8715-37d55e17b71f
      Runtime: nodejs10.x
      Events:
        EmailApi:
          Type: Api
          Properties:
            Path: /send
            RestApiId:
              Ref: ServerlessRestApi
            Method: POST
        EmailOptionsApi:
          Type: Api
          Properties:
            Path: /send
            RestApiId:
              Ref: ServerlessRestApi
            Method: OPTIONS
  ServerlessRestApi:
    Type: AWS::Serverless::Api
    Properties:
      __MANAGE_SWAGGER: true
      DefinitionBody:
        info:
          version: '1.0'
          title:
            Ref: AWS::StackName
        paths:
          /send:
            post:
              x-amazon-apigateway-integration:
                httpMethod: POST
                type: aws_proxy
                uri:
                  Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${LambdaEmailer.Arn}/invocations
              responses: {}
            options:
              x-amazon-apigateway-integration:
                httpMethod: POST
                type: aws_proxy
                uri:
                  Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${LambdaEmailer.Arn}/invocations
              responses: {}
        swagger: '2.0'
      StageName: Prod