tokers commented on a change in pull request #2830:
URL: https://github.com/apache/apisix/pull/2830#discussion_r529226269
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File path: apisix/plugins/hmac-auth.lua
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@@ -224,6 +224,13 @@ local function generate_signature(ctx, secret_key, params)
for _, key in pairs(keys) do
local param = args[key]
+ -- when args without `=<value>`, value is treated as true.
+ -- In order to be compatible with args lacking `=<value>`,
+ -- we need to replace true with an empty string.
+ if type(param) == "boolean" then
+ param = ""
Review comment:
Have you investigated implementations in other languages like `node.js`,
`golang`, `python`?
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