prosody
ebe3b2f96cad
teal-src/util/jsonpointer.tl

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teal-src/util/jsonpointer.tl @ 12953:ebe3b2f96cad

mod_tokenauth: Switch to new token format (invalidates existing tokens!) The new format has the following properties: - 5 bytes longer than the previous format - The token now has separate 'id' and 'secret' parts - the token itself is no longer stored in the DB, and the secret part is hashed - The only variable length field (JID) has been moved to the end - The 'secret-token:' prefix (RFC 8959) is now included Compatibility with the old token format was not maintained, and all previously issued tokens are invalid after this commit (they will be removed from the DB if used).
author Matthew Wild <mwild1@gmail.com>
date Tue, 21 Mar 2023 14:33:29 +0000
parent 12496:87c3d45208ef
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b4c0efff8dd3 util.jsonpointer: Resolve JSON Pointers per RFC 6901
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1
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2 local enum ptr_error
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3 "invalid-table"
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4 "invalid-path"
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5 end
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6
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7 local function unescape_token(escaped_token : string) : string
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8 local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~")
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9 return unescaped
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10 end
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12 local function resolve_json_pointer(ref : table, path : string) : any, ptr_error
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13 local ptr_len = #path+1
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14 for part, pos in path:gmatch("/([^/]*)()") do
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15 local token = unescape_token(part)
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16 if not ref is table then
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17 return nil
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18 end
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19 local idx = next(ref)
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20 local new_ref : any
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21
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22 if idx is string then
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23 new_ref = ref[token]
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24 elseif idx is integer then
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25 local i = tonumber(token)
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26 if token == "-" then i = #ref + 1 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 as integer == ptr_len then
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33 return new_ref
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34 elseif new_ref is table then
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35 ref = new_ref
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36 elseif not ref is 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 {
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45 resolve = resolve_json_pointer,
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46 }