Fix incorrect gateway URL port (-1) in Dev Portal when custom tenant URL is used with HTTP-only APIs.

[Dakshithas]

Scenario

This issue occurs when:

• A tenant has a custom gateway domain configured (e.g., via registry path /customurl/api-cloud/...)
• An API is created under that tenant with only HTTP transport enabled

As a result:

• The Dev Portal shows a incorrect gateway URL like http://example.com:-1/context/version
• The Try Out page fails to load because the Swagger API call returns incomplete server details (missing gateway URLs)

Fix

• Fixes the -1 port issue by correctly setting the port.
• Fixes Swagger server URL generation by determining the correct transport protocol (HTTP or HTTPS) based on the API’s transport level security.

Related Issue: wso2/api-manager#3819

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request updates the API management functionality in two components. In the API consumer implementation, the logic for processing custom URLs now checks for both HTTP and HTTPS protocols, defaulting to assign the URL to both when no valid prefix is present. In the API mapping utility, error handling is added to manage malformed custom gateway URLs, with enhancements for extracting the HTTP port and context from the provided URL.

Changes

File(s)	Change Summary
components/apimgt/.../APIConsumerImpl.java	Updated the getHostWithSchemeMappingForEnvironment method to first check if customUrl is non-null and then verify if it starts with "http://" or "https://". If neither condition is met, the URL is assigned to both HTTP and HTTPS protocols. The method signature remains the same.
components/apimgt/.../APIMappingUtil.java	Introduced error handling in the fromAPIRevisionToEndpoints method by creating a URL object from customGatewayUrl and throwing an APIManagementException upon a malformed URL. Enhanced logic for extracting the HTTP port—defaulting to VHost.DEFAULT_HTTP_PORT if necessary—and setting the HTTP context from the URL path.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant APIConsumerImpl
    Client->>APIConsumerImpl: getHostWithSchemeMappingForEnvironment(api, org, env)
    APIConsumerImpl->>APIConsumerImpl: Check if customUrl is not null
    APIConsumerImpl->>APIConsumerImpl: Verify if customUrl starts with "http://" or "https://"
    alt Valid prefix found
        APIConsumerImpl->>APIConsumerImpl: Map customUrl to corresponding protocol
    else No valid prefix
        APIConsumerImpl->>APIConsumerImpl: Map customUrl to both HTTP and HTTPS
    end
    APIConsumerImpl-->>Client: Return protocol mapping

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sequenceDiagram
    participant Client
    participant APIMappingUtil
    Client->>APIMappingUtil: fromAPIRevisionToEndpoints(apiRevision, customGatewayUrl)
    APIMappingUtil->>APIMappingUtil: Attempt to create URL from customGatewayUrl
    alt URL creation error
        APIMappingUtil-->>Client: Throw APIManagementException
    else URL creation successful
        APIMappingUtil->>APIMappingUtil: Extract HTTP port and context from URL
        APIMappingUtil-->>Client: Return endpoints configuration
    end

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Suggested reviewers

• pubudu538
• chamilaadhi
• tgtshanika
• Arshardh

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 ast-grep (0.31.1)

components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java

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📥 Commits

Reviewing files that changed from the base of the PR and between 851fa71 and 51c52d3.

📒 Files selected for processing (2)

• components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java (1 hunks)
• components/apimgt/org.wso2.carbon.apimgt.rest.api.store.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/store/v1/mappings/APIMappingUtil.java (2 hunks)

🚧 Files skipped from review as they are similar to previous changes (2)

• components/apimgt/org.wso2.carbon.apimgt.rest.api.store.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/store/v1/mappings/APIMappingUtil.java
• components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIConsumerImpl.java

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