# HG changeset patch
# User nicoco <nicoco@nicoco.fr>
# Date 1741787650 -3600
# Node ID 119c0eb65bf3db40efed3f58b1afa27a63b0627c
# Parent  131b8bfbefb421c69c2c5d3708475a27b559a02b
mod_pubsub: new module to fetch pubsub items via HTTP GET

diff -r 131b8bfbefb4 -r 119c0eb65bf3 mod_pubsub_get/README.md
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_pubsub_get/README.md	Wed Mar 12 14:54:10 2025 +0100
@@ -0,0 +1,36 @@
+---
+labels:
+    - "Stage-Alpha"
+summary: Get pubsub items via HTTP GET
+---
+
+# Introduction
+
+WARNING: this module does not implement any type of access control and will effectively make all
+pubsub data public on the component it is loaded onto.
+
+This module lets you fetch the items of a specific pubsub node via an HTTP GET request.
+I implemented it for a read-only view of comments published according to XEP-0277.
+
+# Configuration
+
+Nothing is configurable, just load the module on a specific component.
+
+```lua
+Component "comments.example.com" "pubsub"
+    modules_enabled = { "pubsub_get" }
+```
+
+# Use
+
+To query the items of the node "urn:xmpp:microblog:0:comments/some-article", issue a GET for
+`https://comments.example.com:5281/pubsub_get?node=urn:xmpp:microblog:0:comments/some-article`.
+This will return a JSON object containing the items data.
+
+# TODO
+
+-   Only return items with "open" access model
+
+# Compatibility
+
+Requires Prosody trunk / 0.12
diff -r 131b8bfbefb4 -r 119c0eb65bf3 mod_pubsub_get/mod_pubsub_get.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_pubsub_get/mod_pubsub_get.lua	Wed Mar 12 14:54:10 2025 +0100
@@ -0,0 +1,19 @@
+module:depends("http")
+local pubsub_service = module:depends("pubsub").service
+local json = require "util.json"
+
+function handle_GET(event)
+	local request, response = event.request, event.response
+	local query = request.url.query
+
+	if query:sub(1, 5) ~= "node=" then return 400 end
+
+	local node = query:sub(6)
+	local ok, items = pubsub_service:get_items(node, true)
+
+	if not ok then return 404 end
+	response.status_code = 200
+	return json.encode(items)
+end
+
+module:provides("http", {route = {GET = handle_GET}})