chore/added angular cognito cloudfront #39
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| Original file line number | Diff line number | Diff line change |
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| module github.com/hackmajoris/glad-stack/cmd/cognito-triggers/post-confirmation | ||
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| go 1.24.0 | ||
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| require ( | ||
| github.com/aws/aws-lambda-go v1.51.1 | ||
| github.com/aws/aws-sdk-go v1.55.8 | ||
| ) | ||
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| require github.com/jmespath/go-jmespath v0.4.0 // indirect |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| github.com/aws/aws-lambda-go v1.51.1 h1:FpqpCK2WOSoq6hJvO9PhN44GzZHWCN3e9DUQgK0BOKo= | ||
| github.com/aws/aws-lambda-go v1.51.1/go.mod h1:dpMpZgvWx5vuQJfBt0zqBha60q7Dd7RfgJv23DymV8A= | ||
| github.com/aws/aws-sdk-go v1.55.8 h1:JRmEUbU52aJQZ2AjX4q4Wu7t4uZjOu71uyNmaWlUkJQ= | ||
| github.com/aws/aws-sdk-go v1.55.8/go.mod h1:ZkViS9AqA6otK+JBBNH2++sx1sgxrPKcSzPPvQkUtXk= | ||
| github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= | ||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg= | ||
| github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo= | ||
| github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8= | ||
| github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U= | ||
| github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | ||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||
| github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | ||
| github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s= | ||
| github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals= | ||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||
| gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= | ||
| gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= | ||
| gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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| Original file line number | Diff line number | Diff line change | ||||
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| package main | ||||||
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| import ( | ||||||
| "context" | ||||||
| "os" | ||||||
| "time" | ||||||
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| "github.com/aws/aws-lambda-go/events" | ||||||
| "github.com/aws/aws-lambda-go/lambda" | ||||||
| "github.com/aws/aws-sdk-go/aws" | ||||||
| "github.com/aws/aws-sdk-go/aws/session" | ||||||
| "github.com/aws/aws-sdk-go/service/dynamodb" | ||||||
| "github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute" | ||||||
| ) | ||||||
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| // UserProfile represents the DynamoDB user profile structure | ||||||
| type UserProfile struct { | ||||||
| PK string `dynamodbav:"PK"` | ||||||
| SK string `dynamodbav:"entity_id"` | ||||||
| EntityType string `dynamodbav:"EntityType"` | ||||||
| Username string `dynamodbav:"Username"` | ||||||
| Email string `dynamodbav:"Email"` | ||||||
| Name string `dynamodbav:"Name"` | ||||||
| PasswordHash string `dynamodbav:"PasswordHash"` // Empty for Cognito users | ||||||
| CreatedAt time.Time `dynamodbav:"CreatedAt"` | ||||||
| UpdatedAt time.Time `dynamodbav:"UpdatedAt"` | ||||||
| } | ||||||
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| var ( | ||||||
| dynamoClient *dynamodb.DynamoDB | ||||||
| tableName string | ||||||
| ) | ||||||
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| func init() { | ||||||
| // Initialize DynamoDB client | ||||||
| sess := session.Must(session.NewSession()) | ||||||
| dynamoClient = dynamodb.New(sess) | ||||||
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| // Get table name from environment variable | ||||||
| tableName = os.Getenv("DYNAMODB_TABLE") | ||||||
| if tableName == "" { | ||||||
| tableName = "entities-table" // Fallback default | ||||||
| } | ||||||
| } | ||||||
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| // Handler is the Lambda function handler for Cognito Post Confirmation trigger | ||||||
| // This function is invoked automatically by Cognito after a user successfully confirms their email | ||||||
| func Handler(ctx context.Context, event events.CognitoEventUserPoolsPostConfirmation) (events.CognitoEventUserPoolsPostConfirmation, error) { | ||||||
| // Extract user attributes from Cognito event | ||||||
| username := event.UserName | ||||||
| email := event.Request.UserAttributes["email"] | ||||||
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| // Create user profile in DynamoDB | ||||||
| now := time.Now() | ||||||
| userProfile := UserProfile{ | ||||||
| PK: "User", | ||||||
| SK: "USER#" + username, | ||||||
| EntityType: "User", | ||||||
| Username: username, | ||||||
| Email: email, | ||||||
| Name: username, // Default to username, user can update later | ||||||
| PasswordHash: "", // Empty - Cognito manages passwords | ||||||
| CreatedAt: now, | ||||||
| UpdatedAt: now, | ||||||
| } | ||||||
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| // Marshal to DynamoDB attribute values | ||||||
| item, err := dynamodbattribute.MarshalMap(userProfile) | ||||||
| if err != nil { | ||||||
| // Log error but don't fail the signup process | ||||||
| // Cognito will still confirm the user | ||||||
| return event, err | ||||||
| } | ||||||
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| // Put item in DynamoDB | ||||||
| input := &dynamodb.PutItemInput{ | ||||||
| TableName: aws.String(tableName), | ||||||
| Item: item, | ||||||
| // Use condition to prevent overwriting existing users | ||||||
| ConditionExpression: aws.String("attribute_not_exists(PK)"), | ||||||
|
Contributor
There was a problem hiding this comment. 🛑 Logic Error: Incorrect condition expression blocks user profile creation. The expression
Suggested change
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| } | ||||||
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| _, err = dynamoClient.PutItem(input) | ||||||
| if err != nil { | ||||||
| // Check if it's a conditional check failure (user already exists) | ||||||
| // This can happen if user confirms multiple times | ||||||
| // Don't fail the process, just log and continue | ||||||
| return event, err | ||||||
| } | ||||||
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| // Return the event unmodified - required by Cognito | ||||||
| return event, nil | ||||||
| } | ||||||
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| func main() { | ||||||
| lambda.Start(Handler) | ||||||
| } | ||||||
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🛑 Logic Error: Incorrect DynamoDB attribute tag causes data insertion failure. The struct field
SKhas tagdynamodbav:"entity_id"but DynamoDB operations expectSKas the sort key attribute name.