/usr/lib/swipl/library/http/http_cors.pl
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  • library
    • http
      • http_dispatch.pl -- Dispatch requests in the HTTP server
      • mimetype.pl -- Determine mime-type for a file
      • http_path.pl -- Abstract specification of HTTP server locations
      • http_host.pl -- Obtain public server location
      • thread_httpd.pl -- Threaded HTTP server
      • http_wrapper.pl -- Server processing of an HTTP request
      • http_header.pl -- Handling HTTP headers
      • html_write.pl -- Write HTML text
      • html_quasiquotations.pl -- HTML quasi quotations
      • http_exception.pl -- Map Prolog exceptions to HTTP errors
      • mimepack.pl -- Create a MIME message
      • http_stream.pl -- HTTP Streams
      • http_parameters.pl -- Extract parameters (GET and POST) from HTTP requests
      • http_client.pl -- HTTP client library
      • http_open.pl -- HTTP client library
      • http_multipart_plugin.pl -- Multipart form-data plugin
      • http_hook.pl -- HTTP library hooks
      • http_json.pl -- HTTP JSON Plugin module
      • json.pl -- Reading and writing JSON serialization
      • http_cors.pl -- Enable CORS: Cross-Origin Resource Sharing
        • cors_enable/0
        • cors_enable/2
      • js_write.pl -- Utilities for including JavaScript
      • js_grammar.pl -- JavaScript grammar
      • http_ssl_plugin.pl -- SSL plugin for HTTP libraries
      • http_server_files.pl -- Serve files needed by modules from the server
      • hub.pl -- Manage a hub for websockets
      • websocket.pl -- WebSocket support
      • http_session.pl -- HTTP Session management
      • term_html.pl -- Represent Prolog terms as HTML
      • html_head.pl -- Automatic inclusion of CSS and scripts links
      • jquery.pl -- Provide JQuery
      • http_dyn_workers.pl -- Dynamically schedule HTTP workers.
      • http_authenticate.pl -- Authenticate HTTP connections using 401 headers
      • http_digest.pl -- HTTP Digest authentication
      • http_unix_daemon.pl -- Run SWI-Prolog HTTP server as a Unix system daemon
 cors_enable(+Request, +Options) is det
CORS reply to a Preflight OPTIONS request. Request is the HTTP request. Options provides:
methods(+List)
List of supported HTTP methods. The default is GET, only allowing for read requests.
headers(+List)
List of headers the client asks for and we allow. The default is to simply echo what has been requested for.

Both methods and headers may use Prolog friendly syntax, e.g., get for a method and content_type for a header.

See also
- http://www.html5rocks.com/en/tutorials/cors/