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mod_http_pep_avatar/mod_http_pep_avatar.lua @ 3525:8c1a3b989990
mod_pubsub_github: Rename variable to avoid name clash [luacheck]
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 31 Mar 2019 18:31:57 +0200 |
parent | 3433:213679266dcb |
child | 3575:00bdecb12779 |
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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, user) local request, response = event.request, event.response; local actor = request.ip; 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 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, avatar_hash); if not data_ok or type(avatar_data) ~= "table" or not avatar_data[avatar_hash] then return 404; end response.headers.etag = avatar_hash; local info = avatar_meta.tags[1]:get_child("info"); response.headers.content_type = info and info.attr.type or "application/octet-stream"; local data = avatar_data[avatar_hash]; return base64_decode(data.tags[1]:get_text()); end; } });