prosody
5f182bccf33f
util/jsonpointer.lua

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util/jsonpointer.lua @ 12686:5f182bccf33f

mod_component: Require 'from' attribute on stanzas by default The old behaviour of falling back to the component domain when it is missing has been merged into the logic for the existing "validate_from_addresses" option (which is strict by default). ejabberd already rejects component stanzas with no 'from' (as the XEP requires), and this has led to compatibility issues for components that were seemingly working fine with Prosody.
author Matthew Wild <mwild1@gmail.com>
date Sun, 28 Aug 2022 07:51:50 +0100
parent 12499:03e307952816
child 12781:22066b02887f
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03e307952816 util.jsonpointer: Fix Lua <5.3 compat
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1 local m_type = math.type or function (n)
03e307952816 util.jsonpointer: Fix Lua <5.3 compat
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2 return n % 1 == 0 and n <= 9007199254740992 and n >= -9007199254740992 and "integer" or "float";
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3 end;
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4
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5 local function unescape_token(escaped_token)
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6 local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~")
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7 return unescaped
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8 end
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9
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10 local function resolve_json_pointer(ref, path)
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11 local ptr_len = #path + 1
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12 for part, pos in path:gmatch("/([^/]*)()") do
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13 local token = unescape_token(part)
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14 if not (type(ref) == "table") then
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15 return nil
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16 end
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17 local idx = next(ref)
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18 local new_ref
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19
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20 if type(idx) == "string" then
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21 new_ref = ref[token]
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03e307952816 util.jsonpointer: Fix Lua <5.3 compat
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22 elseif m_type(idx) == "integer" then
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23 local i = tonumber(token)
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24 if token == "-" then
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25 i = #ref + 1
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26 end
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87c3d45208ef util.jsonpointer: Fix off-by-one in array resolution
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27 new_ref = ref[i + 1]
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28 else
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29 return nil, "invalid-table"
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30 end
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31
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32 if pos == ptr_len then
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33 return new_ref
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34 elseif type(new_ref) == "table" then
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35 ref = new_ref
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36 elseif not (type(ref) == "table") then
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37 return nil, "invalid-path"
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38 end
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39
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40 end
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41 return ref
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42 end
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43
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44 return { resolve = resolve_json_pointer }