Mercurial > prosody-modules
view mod_pubsub_github/mod_pubsub_github.lua @ 4974:807007913f67
mod_log_json: Prefer native Lua table.pack over Prosody util.table one
Prosody is removing support for Lua 5.1, which was the reason for
util.table.pack to exist in the first place, since Lua 5.2+ provides
table.pack. In prosody rev 5eaf77114fdb everything was switched over to
use table.pack, opening the door for removing util.table.pack at some
point. This change here is to prepare for that future eventuality.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 11 Jul 2022 20:08:41 +0200 |
parents | 3bece2db869c |
children |
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module:depends("http"); local st = require "util.stanza"; local json = require "util.json"; local hashes = require "util.hashes"; local from_hex = require "util.hex".from; local hmacs = { sha1 = hashes.hmac_sha1; sha256 = hashes.hmac_sha256; sha384 = hashes.hmac_sha384; sha512 = hashes.hmac_sha512; }; local pubsub_service = module:depends("pubsub").service; -- configuration local default_node = module:get_option("github_node", "github"); local node_prefix = module:get_option_string("github_node_prefix", "github/"); local node_mapping = module:get_option_string("github_node_mapping"); local github_actor = module:get_option_string("github_actor") or true; local github_secret = module:get_option("github_secret"); -- validation assert(github_secret, "Please set 'github_secret'"); local error_mapping = { ["forbidden"] = 403; ["item-not-found"] = 404; ["internal-server-error"] = 500; ["conflict"] = 409; }; local function verify_signature(secret, body, signature) if not signature then return false; end local algo, digest = signature:match("^([^=]+)=(%x+)"); if not algo then return false; end local hmac = hmacs[algo]; if not algo then return false; end return hmac(secret, body) == from_hex(digest); end function handle_POST(event) local request, response = event.request, event.response; if not verify_signature(github_secret, request.body, request.headers.x_hub_signature) then module:log("debug", "Signature validation failed"); return 401; end local data = json.decode(request.body); if not data then response.status_code = 400; return "Invalid JSON. From you of all people..."; end local node = default_node; if node_mapping then node = node_prefix .. data.repository[node_mapping]; end local github_event = request.headers.x_github_event or data.object_kind; if not github_event and data.commits then github_event = "push"; -- curl? end module:log("debug", "Handling '%s' event: \n%s\n", github_event, tostring(request.body)); if github_event == "push" then for _, commit in ipairs(data.commits) do local ok, err = pubsub_service:publish(node, github_actor, commit.id, st.stanza("item", { id = commit.id, xmlns = "http://jabber.org/protocol/pubsub" }) :tag("entry", { xmlns = "http://www.w3.org/2005/Atom" }) :tag("id"):text(commit.id):up() :tag("title"):text(commit.message:match("^[^\r\n]*")):up() :tag("summary"):text(("Commit to %s by %s: %s"):format(data.repository.name, commit.author.name, commit.message:match("^[^\r\n]*"))):up() :tag("content"):text(commit.message):up() :tag("link", { rel = "alternate", href = commit.url }):up() :tag("published"):text(commit.author.date):up() :tag("author") :tag("name"):text(commit.author.name):up() :tag("email"):text(commit.author.email):up() :up() ); if not ok then return error_mapping[err] or 500; end end elseif github_event then module:log("debug", "Unsupported Github event %q", github_event); return 501; end response.status_code = 202; return "Thank you Github!"; end module:provides("http", { route = { POST = handle_POST; }; }); if not node_mapping then function module.load() if not pubsub_service.nodes[default_node] then local ok, err = pubsub_service:create(default_node, true); if not ok then module:log("error", "Error creating node: %s", err); else module:log("debug", "Node %q created", default_node); end end end end