Mercurial > prosody-modules
view mod_http_pep_avatar/mod_http_pep_avatar.lua @ 5818:d3b69859553a
mod_password_policy: Change error type from 'cancel' to 'modify'
This makes more sense, as the problem relates to the data that has been
entered, and therefore the request could be retried with different data.
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Mon, 08 Jan 2024 17:28:39 +0000 |
parents | 02d238799537 |
children |
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-- HTTP Access to PEP Avatar -- By Kim Alvefur <zash@zash.se> local mod_pep = module:depends"pep"; local um = require "core.usermanager"; local nodeprep = require "util.encodings".stringprep.nodeprep; local base64_decode = require "util.encodings".base64.decode; local urlencode = require "util.http".urlencode; module:depends("http") module:provides("http", { route = { ["GET /*"] = function (event, path) if path == "" then return [[<h1>Hello from mod_http_pep_avatar</h1><p>This module provides access to public avatars of local users.</p>]]; end; local request, response = event.request, event.response; local actor = request.ip; local user, item_id = path:match("^([^/]+)/(%x+)$"); if not user then user = path; end local prepped = nodeprep(user); if not prepped then return 400; end if prepped ~= user then response.headers.location = module:http_url() .. "/" .. urlencode(prepped); return 302; end if not um.user_exists(user, module.host) then return 404; end local pep_service = mod_pep.get_pep_service(user); local ok, avatar_hash, avatar_meta = pep_service:get_last_item("urn:xmpp:avatar:metadata", actor); if not ok or not avatar_hash then return 404; end if (item_id or avatar_hash) == request.headers.if_none_match then return 304; end local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", actor, item_id or avatar_hash); if not data_ok or type(avatar_data) ~= "table" or not avatar_data[item_id or avatar_hash] then return 404; end local info = avatar_meta.tags[1]:get_child("info"); if item_id and info.attr.id ~= item_id then info = nil; for altinfo in avatar_meta.tags[1]:childtags("info") do if altinfo.attr.id == item_id then info = altinfo; end end end if not info then return 404; end response.headers.etag = item_id or avatar_hash; response.headers.content_type = info and info.attr.type or "application/octet-stream"; local data = avatar_data[item_id or avatar_hash]; return base64_decode(data.tags[1]:get_text()); end; } });