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Проверка на сигнатуру все же нужна

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Igor Timofeev
2018-03-11 15:34:01 +03:00
parent 6eed533942
commit 97d3bd3cf3
1 changed files with 11 additions and 5 deletions
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16
Applications/AppMarket/Main.lua
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@@ -243,15 +243,20 @@ local function checkImage(url, mneTolkoSprosit)
data = data .. chunk
if needCheck and #data > 8 then
if data:sub(1, 4) == "OCIF" then
if string.byte(data:sub(6, 6)) <= 8 and string.byte(data:sub(7, 7)) <= 4 then
if mneTolkoSprosit then
if string.byte(data:sub(5, 5)) == 6 then
if string.byte(data:sub(6, 6)) == 8 and string.byte(data:sub(7, 7)) == 4 then
if mneTolkoSprosit then
handle:close()
return true
end
needCheck = false
else
handle:close()
return true
return false, "Image size is larger than 8x4"
end
needCheck = false
else
handle:close()
return false, "Image size is larger than 8x4"
return false, "Image encoding method is not supported"
end
else
handle:close()
@@ -260,6 +265,7 @@ local function checkImage(url, mneTolkoSprosit)
end
else
handle:close()
if reason then
return false, reason
else