SWI-Prolog HTTP support library

This directory provides the SWI-Prolog libraries for accessing and providing HTTP services.

Client library

The main client library is library(http/http_open), which can open both HTTP and HTTPS connections and handle all request methods.

Server library

The main server libraries are

For simplicity, you can use library(http/http_server), which combines the typical HTTP libraries that most servers need. The idea of a common request handling system and three controlling libraries is outdated; the threaded server now being the only sensible controlling library.

Requirements

This library uses functionality from the ssl package to support HTTPS, the sgml package to read XML/HTML and the clib package for various extensions.

Prolog files

html_decl.pl  -- HTML emitter analysis and IDE supportShow source
html_head.pl  -- Automatic inclusion of CSS and scripts linksShow source
html_quasiquotations.pl  -- HTML quasi quotationsShow source
html_write.pl  -- Write HTML textShow source
http_client.pl  -- HTTP client libraryShow source
http_cors.plShow source
cors_enable/0Emit the HTTP header Access-Control-Allow-Origin using domains from the setting http:cors.Source
cors_enable/2CORS reply to a Preflight OPTIONS request.Source
http_dispatch.pl  -- Dispatch requests in the HTTP serverShow source
http_dyn_workers.plShow source
schedule_workers/1Called if there is no immediately free worker to handle the incoming request.Source
http_exception.plShow source
bad_request_error/2If an exception of the term error(Formal, context(Stack, Context)) is caught and subsumes_term(ContextTemplate, Context) is true, translate the exception into an HTTP 400 exception.
in_or_exclude_backtrace/2Remove the stacktrace from the exception, unless setting http:client_backtrace is true.Source
map_exception_to_http_status/4Map certain exceptions to HTTP status codes.Source
http_header.pl  -- Handling HTTP headersShow source
http_hook.plShow source
convert_parameter/3Hook to execute a step in the HTTP parameter conversion process.
http_connection_over_proxy/6Try to connect to the host Endpoint via Proxy for the purposes of retrieving the resource identified by URLParts.Source
http_host.plShow source
http_current_host/4Source
http_public_host/4Current global host and port of the HTTP server.Source
http_public_host_url/2True when URL is the public URL at which this server can be contacted.Source
http_public_url/2True when URL is an absolute URL for the current request.Source
http_log.pl  -- HTTP Logging moduleShow source
http_multipart_plugin.pl  -- Multipart form-data pluginShow source
http_open.pl  -- HTTP client libraryShow source
http_parameters.pl  -- Extract parameters (GET and POST) from HTTP requestsShow source
http_path.pl  -- Abstract specification of HTTP server locationsShow source
http_redis_plugin.plShow source
http_server.pl  -- HTTP server libraryShow source
http_server_files.plShow source
serve_files_in_directory/2Serve files from the directory Alias from the path-info from Request.Source
http_server_health.pl  -- HTTP Server health statisticsShow source
http_session.pl  -- HTTP Session managementShow source
http_stream.pl  -- HTTP StreamsShow source
http_unix_daemon.pl  -- Run SWI-Prolog HTTP server as a Unix system daemonShow source
http_wrapper.plShow source
cgi_hook/2Hook called from the CGI processing stream.Source
http_current_request/1Returns the HTTP request currently being processed.Source
http_peer/2True when PeerIP is the IP address of the connection peer.Source
http_relative_path/2Convert an absolute path (without host, fragment or search) into a path relative to the current page.Source
http_send_header/1This API provides an alternative for writing the header field as a CGI header.Source
http_spawned/1Internal use only.Source
http_wrap_spawned/3Internal use only.Source
hub.pl  -- Manage a hub for websocketsShow source
js_write.pl  -- Utilities for including JavaScriptShow source
mimepack.pl  -- Create a MIME messageShow source
mime_pack/3Pack a number of inputs into a MIME package using a specified or generated boundary.Source
mimetype.pl  -- Determine mime-type for a fileShow source
term_html.plShow source
term/4Render a Prolog term as a structured HTML tree.Source
thread_httpd.pl  -- Threaded HTTP serverShow source
websocket.plShow source
http_open_websocket/3Establish a client websocket connection.Source
http_upgrade_to_websocket/3Create a websocket connection running call(Goal, WebSocket), where WebSocket is a socket-pair.Source
ws_close/3Close a WebSocket connection by sending a close message if this was not already sent and wait for the close reply.Source
ws_mask/1Produce a good random number of the mask of a client message.Source
ws_open/3Turn a raw TCP/IP (or any other binary stream) into a websocket stream.Source
ws_property/2True if Property is a property WebSocket.Source
ws_receive/2Receive the next message from WebSocket.Source
ws_receive/3Receive the next message from WebSocket.Source
ws_send/2Send a message over a websocket.Source