prosody
fc97319ef48e
util/jsonpointer.lua

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util/jsonpointer.lua @ 13758:fc97319ef48e 13.0

util.sasl: Preserve 'userdata' field between clones The :clean_clone() method is designed to provide a new cloned SASL handler, to be used when starting a fresh SASL negotiation on an existing connection. The userdata field is currently populated by mod_saslauth with the "read-only" information that the channel binding methods need to do their stuff. When :clean_clone() does not preserve this, it causes tracebacks in the cb profile handlers due to the property being nil. This does mean that SASL handlers should now not be reused (even when cloned) across different connections, if they ever could.
author Matthew Wild <mwild1@gmail.com>
date Thu, 06 Mar 2025 13:34:37 +0000
parent 12781:22066b02887f
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rev   line source
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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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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 }