diff options
| -rw-r--r-- | libs/http/luasrc/http/protocol/date.lua | 62 |
1 files changed, 36 insertions, 26 deletions
diff --git a/libs/http/luasrc/http/protocol/date.lua b/libs/http/luasrc/http/protocol/date.lua index d40360494..a7edcfd02 100644 --- a/libs/http/luasrc/http/protocol/date.lua +++ b/libs/http/luasrc/http/protocol/date.lua @@ -15,6 +15,10 @@ $Id$ module("luci.http.protocol.date", package.seeall) +local ucache = { } +local hcache = { } + + MONTHS = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" @@ -151,40 +155,46 @@ end -- Convert a HTTP date to unixtime function to_unix(date) - local wd, day, mon, yr, hr, min, sec, tz = date:match( - "([A-Z][a-z][a-z]), ([0-9]+) " .. - "([A-Z][a-z][a-z]) ([0-9]+) " .. - "([0-9]+):([0-9]+):([0-9]+) " .. - "([A-Z0-9%+%-]+)" - ) - - if day and mon and yr and hr and min and sec then - -- find month - local month = 1 - for i = 1, 12 do - if MONTHS[i] == mon then - month = i - break + if not ucache[date] then + local wd, day, mon, yr, hr, min, sec, tz = date:match( + "([A-Z][a-z][a-z]), ([0-9]+) " .. + "([A-Z][a-z][a-z]) ([0-9]+) " .. + "([0-9]+):([0-9]+):([0-9]+) " .. + "([A-Z0-9%+%-]+)" + ) + + if day and mon and yr and hr and min and sec then + -- find month + local month = 1 + for i = 1, 12 do + if MONTHS[i] == mon then + month = i + break + end end - end - -- convert to epoch time - return tz_offset(tz) + os.time( { - year = yr, - month = month, - day = day, - hour = hr, - min = min, - sec = sec - } ) + -- convert to epoch time + ucache[date] = tz_offset(tz) + os.time( { + year = yr, + month = month, + day = day, + hour = hr, + min = min, + sec = sec + } ) + end end - return 0 + return ucache[date] or 0 end -- Convert a unixtime to HTTP date function to_http(time) - return os.date( "%a, %d %b %Y %H:%M:%S GMT", time ) + if not hcache[time] then + hcache[time] = os.date( "%a, %d %b %Y %H:%M:%S GMT", time ) + end + + return hcache[time] end -- Compare two dates |