prosody
008a7097fdc5
net/resolvers/chain.lua

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net/resolvers/chain.lua @ 12705:008a7097fdc5

util.jwt: Provide built-in token expiry support (defaults to 3600s lifetime) To avoid every user of the library needing to add and verify expiry info, this is now handled by util.jwt itself (if not overridden or disabled). Issuing tokens that are valid forever is bad practice and rarely desired, and the default token lifetime is now 3600s (1 hour).
author Matthew Wild <mwild1@gmail.com>
date Mon, 11 Jul 2022 13:28:29 +0100
parent 12204:7c397a49d163
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12204
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
Kim Alvefur <zash@zash.se>
parents:
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1
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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2 local methods = {};
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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3 local resolver_mt = { __index = methods };
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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4
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
Kim Alvefur <zash@zash.se>
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5 -- Find the next target to connect to, and
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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6 -- pass it to cb()
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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7 function methods:next(cb)
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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8 if self.resolvers then
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
Kim Alvefur <zash@zash.se>
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9 if not self.resolver then
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
Kim Alvefur <zash@zash.se>
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10 if #self.resolvers == 0 then
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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11 cb(nil);
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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12 return;
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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13 end
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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14 local next_resolver = table.remove(self.resolvers, 1);
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15 self.resolver = next_resolver;
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16 end
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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17 self.resolver:next(function (...)
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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18 if self.resolver then
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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19 self.last_error = self.resolver.last_error;
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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20 end
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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21 if ... == nil then
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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22 self.resolver = nil;
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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23 self:next(cb);
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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24 else
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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25 cb(...);
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26 end
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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27 end);
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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28 return;
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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29 end
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30 end
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31
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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32 local function new(resolvers)
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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33 return setmetatable({ resolvers = resolvers }, resolver_mt);
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34 end
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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35
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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36 return {
7c397a49d163 net.resolvers.chain: A resolver for combining other resolvers
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37 new = new;
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38 };