prosody
d2333b468d07
util/jsonpointer.lua

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util/jsonpointer.lua @ 12907:d2333b468d07

mod_c2s: Disconnect accounts when they are disabled We decided that at the first stage, accounts that are disabled should simply be prevented from authenticating, thus they should also be prevented from having connected sessions. Since this is aimed to be a moderation action for cases of abuse, they shouldn't be allowed to continue being connected.
author Kim Alvefur <zash@zash.se>
date Thu, 23 Feb 2023 16:28:57 +0100
parent 12781:22066b02887f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12781
22066b02887f util.startup: Provide a common Lua 5.3+ math.type() for Lua 5.2
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1 local m_type = math.type;
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03e307952816 util.jsonpointer: Fix Lua <5.3 compat
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2
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3 local function unescape_token(escaped_token)
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4 local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~")
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5 return unescaped
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6 end
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7
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8 local function resolve_json_pointer(ref, path)
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9 local ptr_len = #path + 1
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10 for part, pos in path:gmatch("/([^/]*)()") do
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11 local token = unescape_token(part)
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12 if not (type(ref) == "table") then
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13 return nil
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14 end
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15 local idx = next(ref)
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16 local new_ref
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17
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18 if type(idx) == "string" then
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19 new_ref = ref[token]
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03e307952816 util.jsonpointer: Fix Lua <5.3 compat
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20 elseif m_type(idx) == "integer" then
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21 local i = tonumber(token)
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22 if token == "-" then
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23 i = #ref + 1
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24 end
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87c3d45208ef util.jsonpointer: Fix off-by-one in array resolution
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25 new_ref = ref[i + 1]
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26 else
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27 return nil, "invalid-table"
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28 end
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29
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30 if pos == ptr_len then
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31 return new_ref
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32 elseif type(new_ref) == "table" then
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33 ref = new_ref
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34 elseif not (type(ref) == "table") then
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35 return nil, "invalid-path"
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36 end
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37
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38 end
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39 return ref
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40 end
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41
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42 return { resolve = resolve_json_pointer }