49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
local function webfingerInit(cfg)
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local accounts_set = {}
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for _, account in ipairs(cfg.accounts) do
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accounts_set["acct:" .. account] = true
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end
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return accounts_set
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end
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local function webfingerCallback(cfg, accounts_set)
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local args, err = ngx.req.get_uri_args()
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if err == "truncated" then
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return 400, 'uri args too long'
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end
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local resource = args['resource']
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if accounts_set[resource] then
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return nil
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else
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return 404, "Couldn't find user"
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end
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end
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return {
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name='WebfingerAllowlist',
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author='luna@l4.pm',
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title='Webfinger Allowlist',
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description=[[
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Prevent unnecessary DB load by discarding requests to users that we know
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won't exist.
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Useful for small instances.
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]],
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version=1,
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init=webfingerInit,
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callbacks = {
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['/.well-known/webfinger'] = webfingerCallback
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},
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config={
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['accounts'] = {
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type='list',
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schema={
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type='string',
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description='ap id'
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},
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description = 'list of account ids (in email@domain form) to pass through to AP'
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}
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},
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}
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