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annotate mod_http_rest/mod_http_rest.lua @ 4651:8231774f5bfd

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mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8 The `body:sub()` call risks splitting the string in the middle of a multi-byte UTF-8 sequence. This should have been caught by util.stanza validation, but that would have caused some havoc, at the very least causing the notification to not be sent. There have been no reports of this happening. Likely because this module isn't widely deployed among users with languages that use many longer UTF-8 sequences. The util.encodings.utf8.valid() function is O(n) where only the last sequence really needs to be checked, but it's in C and expected to be fast.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Aug 2021 13:22:59 +0200
parents 79432b859d21
children
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1 module:depends"http"
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2
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3 local jid_split = require "util.jid".split;
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4 local jid_prep = require "util.jid".prep;
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5 local stanza = require "util.stanza";
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6 local test_password = require "core.usermanager".test_password;
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7 local b64_decode = require "util.encodings".base64.decode;
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8 local formdecode = require "net.http".formdecode;
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9 local xml = require"util.xml";
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10
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11 local function handle_post(event, path, authed_user)
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12 local request = event.request;
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13 local headers = request.headers;
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14 local body_type = headers.content_type;
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15 if body_type == "text/xml" and request.body then
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16 local parsed, err = xml.parse(request.body);
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17 if parsed then
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18 module:log("debug", "Sending %s", parsed);
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19 module:send(parsed);
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20 return 201;
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21 end
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22 else
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23 return 415;
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24 end
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25 return 422;
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26 end
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27
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28 module:provides("http", {
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29 default_path = "/rest";
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30 route = {
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31 ["POST"] = handle_post;
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32 OPTIONS = function(e)
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33 local headers = e.response.headers;
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34 headers.allow = "POST";
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35 headers.accept = "test/xml";
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36 return 200;
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37 end;
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38 }
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39 });