kong--kong
wehub-resource-sync
110 行
2.5 KiB
Lua
110 行
2.5 KiB
Lua
local checks = {}
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local tostring = tostring
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local ipairs = ipairs
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local pairs = pairs
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local error = error
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local type = type
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local fmt = string.format
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function checks.normalize_multi_header(value)
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local tvalue = type(value)
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if tvalue == "string" then
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return value == "" and " " or value
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end
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if tvalue == "table" then
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local new_value = {}
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for i, v in ipairs(value) do
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new_value[i] = v == "" and " " or v
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end
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return new_value
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end
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-- header is number or boolean
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return tostring(value)
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end
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function checks.normalize_header(value)
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local tvalue = type(value)
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if tvalue == "string" then
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return value == "" and " " or value
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end
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-- header is number or boolean
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return tostring(value)
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end
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function checks.validate_header(name, value)
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local tname = type(name)
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if tname ~= "string" then
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error(fmt("invalid header name %q: got %s, " ..
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"expected string", name, tname), 3)
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end
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local tvalue = type(value)
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if tvalue ~= "string" then
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if tvalue == "table" then
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for _, vv in ipairs(value) do
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local tvv = type(vv)
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if tvv ~= "string" then
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error(fmt("invalid header value in array %q: got %s, " ..
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"expected string", name, tvv), 3)
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end
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end
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elseif tvalue == "number" or tvalue == "boolean" then
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value = tostring(value)
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else
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error(fmt("invalid header value for %q: got %s, expected " ..
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"array of string, string, number or boolean", name, tvalue), 3)
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end
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end
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return value
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end
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function checks.validate_headers(headers)
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if type(headers) ~= "table" then
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error("headers must be a table", 3)
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end
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for k, v in pairs(headers) do
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local tk = type(k)
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if tk ~= "string" then
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error(fmt("invalid header name %q: got %s, " ..
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"expected string", k, tk), 3)
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end
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local tv = type(v)
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if tv ~= "string" then
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if tv == "table" then
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for _, vv in ipairs(v) do
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local tvv = type(vv)
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if tvv ~= "string" then
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error(fmt("invalid header value in array %q: got %s, " ..
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"expected string", k, tvv), 3)
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end
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end
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elseif tv ~= "number" and tv ~= "boolean" then
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error(fmt("invalid header value for %q: got %s, " ..
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"expected string, number, boolean or " ..
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"array of strings", k, tv), 3)
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end
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end
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end
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end
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return checks
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