author | Kim Alvefur <zash@zash.se> |
Wed, 03 Mar 2021 11:43:38 +0100 | |
changeset 4494 | cf2bdb2aaa57 |
parent 4412 | 2c47b8110c48 |
child 4979 | 733e5513f691 |
permissions | -rw-r--r-- |
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local st = require "util.stanza"; |
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local url_escape = require "util.http".urlencode; |
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local base_url = "https://"..module.host.."/"; |
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local render_html_template = require"util.interpolation".new("%b{}", st.xml_escape, { |
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urlescape = url_escape; |
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lower = string.lower; |
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classname = function (s) return (s:gsub("%W+", "-")); end; |
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relurl = function (s) |
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if s:match("^%w+://") then |
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return s; |
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end |
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return base_url.."/"..s; |
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end; |
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}); |
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local render_url = require "util.interpolation".new("%b{}", url_escape, { |
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urlescape = url_escape; |
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noscheme = function (url) |
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return (url:gsub("^[^:]+:", "")); |
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end; |
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}); |
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local site_name = module:get_option_string("site_name", module.host); |
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local site_apps; |
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-- Enable/disable built-in invite pages |
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local external_only = module:get_option_boolean("invites_page_external", false); |
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local http_files; |
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if not external_only then |
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-- Load HTTP-serving dependencies |
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if prosody.shutdown then -- not if running under prosodyctl |
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module:depends("http"); |
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http_files = module:depends("http_files"); |
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end |
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-- Calculate automatic base_url default |
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base_url = module.http_url and module:http_url(); |
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-- Load site apps info |
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module:depends("register_apps"); |
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site_apps = module:shared("register_apps/apps"); |
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end |
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local invites = module:depends("invites"); |
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-- Point at eg https://github.com/ge0rg/easy-xmpp-invitation |
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-- This URL must always be absolute, as it is shared standalone |
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local invite_url_template = module:get_option_string("invites_page", base_url and (base_url.."?{invite.token}") or nil); |
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-- This URL is relative to the invite page, or can be absolute |
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local register_url_template = module:get_option_string("invites_registration_page", "register?t={invite.token}&c={app.id}"); |
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local function add_landing_url(invite) |
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if not invite_url_template then return; end |
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-- TODO: we don't currently have a landing page for subscription-only invites, |
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-- so the user will only receive a URI. The client should be able to handle this |
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-- by automatically falling back to a client-specific landing page, per XEP-0401. |
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if not invite.allow_registration then return; end |
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invite.landing_page = render_url(invite_url_template, { host = module.host, invite = invite }); |
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end |
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module:hook("invite-created", add_landing_url); |
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if external_only then |
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return; |
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end |
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local function render_app_urls(apps, invite_vars) |
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local rendered_apps = {}; |
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for _, unrendered_app in ipairs(apps) do |
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local app = setmetatable({}, { __index = unrendered_app }); |
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local template_vars = { app = app, invite = invite_vars, base_url = base_url }; |
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if app.magic_link_format then |
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-- Magic link generally links directly to third-party |
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app.proceed_url = render_url(app.magic_link_format or app.link or "#", template_vars); |
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elseif app.supports_preauth_uri then |
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-- Proceed to a page that guides the user to download, and then |
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-- click the URI button |
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app.proceed_url = render_url("{base_url!}/setup/{app.id}?{invite.token}", template_vars); |
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else |
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-- Manual means proceed to web registration, but include app id |
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-- so it can show post-registration instructions |
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app.proceed_url = render_url(register_url_template, template_vars); |
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end |
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table.insert(rendered_apps, app); |
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end |
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return rendered_apps; |
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end |
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|
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function serve_invite_page(event) |
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local invite_page_template = assert(module:load_resource("html/invite.html")):read("*a"); |
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local invalid_invite_page_template = assert(module:load_resource("html/invite_invalid.html")):read("*a"); |
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event.response.headers["Content-Type"] = "text/html; charset=utf-8"; |
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local invite = invites.get(event.request.url.query); |
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if not invite then |
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return render_html_template(invalid_invite_page_template, { |
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site_name = site_name; |
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static = base_url.."/static"; |
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}); |
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end |
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local template_vars = { |
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site_name = site_name; |
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token = invite.token; |
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uri = invite.uri; |
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type = invite.type; |
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jid = invite.jid; |
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inviter = invite.inviter; |
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static = base_url.."/static"; |
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}; |
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template_vars.apps = render_app_urls(site_apps, template_vars); |
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local invite_page = render_html_template(invite_page_template, template_vars); |
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event.response.headers["Link"] = ([[<%s>; rel="alternate"]]):format(template_vars.uri); |
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return invite_page; |
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end |
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function serve_setup_page(event, app_id) |
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local invite_page_template = assert(module:load_resource("html/client.html")):read("*a"); |
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local invalid_invite_page_template = assert(module:load_resource("html/invite_invalid.html")):read("*a"); |
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event.response.headers["Content-Type"] = "text/html; charset=utf-8"; |
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local invite = invites.get(event.request.url.query); |
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if not invite then |
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return render_html_template(invalid_invite_page_template, { |
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site_name = site_name; |
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static = base_url.."/static"; |
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}); |
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end |
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local template_vars = { |
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site_name = site_name; |
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apps = site_apps; |
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token = invite.token; |
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uri = invite.uri; |
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type = invite.type; |
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jid = invite.jid; |
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static = base_url.."/static"; |
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}; |
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template_vars.app = render_app_urls({ site_apps[app_id] }, template_vars)[1]; |
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|
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local invite_page = render_html_template(invite_page_template, template_vars); |
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return invite_page; |
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end |
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local mime_map = { |
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png = "image/png"; |
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svg = "image/svg+xml"; |
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js = "application/javascript"; |
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}; |
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module:provides("http", { |
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route = { |
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["GET"] = serve_invite_page; |
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["GET /setup/*"] = serve_setup_page; |
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["GET /static/*"] = http_files and http_files.serve({ path = module:get_directory().."/static", mime_map = mime_map }); |
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}; |
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}); |